Mercurial > hg > truffle
annotate src/share/vm/adlc/adlparse.cpp @ 17795:a9becfeecd1b
Merge
| author | kvn |
|---|---|
| date | Wed, 22 Jan 2014 17:42:23 -0800 |
| parents | 55fb97c4c58d 318d0622a6d7 |
| children | 4ca6dc0799b6 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 // ADLPARSE.CPP - Architecture Description Language Parser | |
| 26 // Authors: Chris Vick and Mike Paleczny | |
| 27 #include "adlc.hpp" | |
| 28 | |
| 29 //----------------------------ADLParser---------------------------------------- | |
| 30 // Create a new ADL parser | |
| 31 ADLParser::ADLParser(FileBuff& buffer, ArchDesc& archDesc) | |
| 32 : _buf(buffer), _AD(archDesc), | |
| 33 _globalNames(archDesc.globalNames()) { | |
| 34 _AD._syntax_errs = _AD._semantic_errs = 0; // No errors so far this file | |
| 35 _AD._warnings = 0; // No warnings either | |
| 36 _curline = _ptr = NULL; // No pointers into buffer yet | |
| 37 | |
| 38 _preproc_depth = 0; | |
| 39 _preproc_not_taken = 0; | |
| 40 | |
| 41 // Delimit command-line definitions from in-file definitions: | |
| 42 _AD._preproc_list.add_signal(); | |
| 43 } | |
| 44 | |
| 45 //------------------------------~ADLParser------------------------------------- | |
| 46 // Delete an ADL parser. | |
| 47 ADLParser::~ADLParser() { | |
| 48 if (!_AD._quiet_mode) | |
| 49 fprintf(stderr,"---------------------------- Errors and Warnings ----------------------------\n"); | |
| 50 #ifndef ASSERT | |
| 51 fprintf(stderr, "**************************************************************\n"); | |
| 52 fprintf(stderr, "***** WARNING: ASSERT is undefined, assertions disabled. *****\n"); | |
| 53 fprintf(stderr, "**************************************************************\n"); | |
| 54 #endif | |
| 55 if( _AD._syntax_errs + _AD._semantic_errs + _AD._warnings == 0 ) { | |
| 56 if (!_AD._quiet_mode) | |
| 57 fprintf(stderr,"No errors or warnings to report from phase-1 parse.\n" ); | |
| 58 } | |
| 59 else { | |
| 60 if( _AD._syntax_errs ) { // Any syntax errors? | |
| 61 fprintf(stderr,"%s: Found %d syntax error", _buf._fp->_name, _AD._syntax_errs); | |
| 62 if( _AD._syntax_errs > 1 ) fprintf(stderr,"s.\n\n"); | |
| 63 else fprintf(stderr,".\n\n"); | |
| 64 } | |
| 65 if( _AD._semantic_errs ) { // Any semantic errors? | |
| 66 fprintf(stderr,"%s: Found %d semantic error", _buf._fp->_name, _AD._semantic_errs); | |
| 67 if( _AD._semantic_errs > 1 ) fprintf(stderr,"s.\n\n"); | |
| 68 else fprintf(stderr,".\n\n"); | |
| 69 } | |
| 70 if( _AD._warnings ) { // Any warnings? | |
| 71 fprintf(stderr,"%s: Found %d warning", _buf._fp->_name, _AD._warnings); | |
| 72 if( _AD._warnings > 1 ) fprintf(stderr,"s.\n\n"); | |
| 73 else fprintf(stderr,".\n\n"); | |
| 74 } | |
| 75 } | |
| 76 if (!_AD._quiet_mode) | |
| 77 fprintf(stderr,"-----------------------------------------------------------------------------\n"); | |
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78 _AD._TotalLines += linenum()-1; // -1 for overshoot in "nextline" routine |
| 0 | 79 |
| 80 // Write out information we have stored | |
| 81 // // UNIXism == fsync(stderr); | |
| 82 } | |
| 83 | |
| 84 //------------------------------parse------------------------------------------ | |
| 85 // Each top-level keyword should appear as the first non-whitespace on a line. | |
| 86 // | |
| 87 void ADLParser::parse() { | |
| 88 char *ident; | |
| 89 | |
| 90 // Iterate over the lines in the file buffer parsing Level 1 objects | |
| 91 for( next_line(); _curline != NULL; next_line()) { | |
| 92 _ptr = _curline; // Reset ptr to start of new line | |
| 93 skipws(); // Skip any leading whitespace | |
| 94 ident = get_ident(); // Get first token | |
| 95 if (ident == NULL) { // Empty line | |
| 96 continue; // Get the next line | |
| 97 } | |
| 2008 | 98 if (!strcmp(ident, "instruct")) instr_parse(); |
| 0 | 99 else if (!strcmp(ident, "operand")) oper_parse(); |
| 100 else if (!strcmp(ident, "opclass")) opclass_parse(); | |
| 101 else if (!strcmp(ident, "ins_attrib")) ins_attr_parse(); | |
| 102 else if (!strcmp(ident, "op_attrib")) op_attr_parse(); | |
| 103 else if (!strcmp(ident, "source")) source_parse(); | |
| 104 else if (!strcmp(ident, "source_hpp")) source_hpp_parse(); | |
| 105 else if (!strcmp(ident, "register")) reg_parse(); | |
| 106 else if (!strcmp(ident, "frame")) frame_parse(); | |
| 107 else if (!strcmp(ident, "encode")) encode_parse(); | |
| 108 else if (!strcmp(ident, "pipeline")) pipe_parse(); | |
| 109 else if (!strcmp(ident, "definitions")) definitions_parse(); | |
| 110 else if (!strcmp(ident, "peephole")) peep_parse(); | |
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111 else if (!strcmp(ident, "#line")) preproc_line(); |
| 0 | 112 else if (!strcmp(ident, "#define")) preproc_define(); |
| 113 else if (!strcmp(ident, "#undef")) preproc_undef(); | |
| 114 else { | |
| 115 parse_err(SYNERR, "expected one of - instruct, operand, ins_attrib, op_attrib, source, register, pipeline, encode\n Found %s",ident); | |
| 116 } | |
| 117 } | |
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118 // Add reg_class spill_regs after parsing. |
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119 RegisterForm *regBlock = _AD.get_registers(); |
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120 if (regBlock == NULL) { |
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121 parse_err(SEMERR, "Did not declare 'register' definitions"); |
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122 } |
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123 regBlock->addSpillRegClass(); |
| 0 | 124 |
| 125 // Done with parsing, check consistency. | |
| 126 | |
| 127 if (_preproc_depth != 0) { | |
| 128 parse_err(SYNERR, "End of file inside #ifdef"); | |
| 129 } | |
| 130 | |
| 131 // AttributeForms ins_cost and op_cost must be defined for default behaviour | |
| 132 if (_globalNames[AttributeForm::_ins_cost] == NULL) { | |
| 133 parse_err(SEMERR, "Did not declare 'ins_cost' attribute"); | |
| 134 } | |
| 135 if (_globalNames[AttributeForm::_op_cost] == NULL) { | |
| 136 parse_err(SEMERR, "Did not declare 'op_cost' attribute"); | |
| 137 } | |
| 138 } | |
| 139 | |
| 140 // ******************** Private Level 1 Parse Functions ******************** | |
| 141 //------------------------------instr_parse------------------------------------ | |
| 142 // Parse the contents of an instruction definition, build the InstructForm to | |
| 143 // represent that instruction, and add it to the InstructForm list. | |
| 144 void ADLParser::instr_parse(void) { | |
| 145 char *ident; | |
| 146 InstructForm *instr; | |
| 147 MatchRule *rule; | |
| 148 int match_rules_cnt = 0; | |
| 149 | |
| 150 // First get the name of the instruction | |
| 151 if( (ident = get_unique_ident(_globalNames,"instruction")) == NULL ) | |
| 152 return; | |
| 153 instr = new InstructForm(ident); // Create new instruction form | |
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154 instr->_linenum = linenum(); |
| 0 | 155 _globalNames.Insert(ident, instr); // Add name to the name table |
| 156 // Debugging Stuff | |
| 157 if (_AD._adl_debug > 1) | |
| 158 fprintf(stderr,"Parsing Instruction Form %s\n", ident); | |
| 159 | |
| 160 // Then get the operands | |
| 161 skipws(); | |
| 162 if (_curchar != '(') { | |
| 163 parse_err(SYNERR, "missing '(' in instruct definition\n"); | |
| 164 } | |
| 165 // Parse the operand list | |
| 166 else get_oplist(instr->_parameters, instr->_localNames); | |
| 167 skipws(); // Skip leading whitespace | |
| 168 // Check for block delimiter | |
| 169 if ( (_curchar != '%') | |
| 170 || ( next_char(), (_curchar != '{')) ) { | |
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171 parse_err(SYNERR, "missing '%%{' in instruction definition\n"); |
| 0 | 172 return; |
| 173 } | |
| 174 next_char(); // Maintain the invariant | |
| 175 do { | |
| 176 ident = get_ident(); // Grab next identifier | |
| 177 if (ident == NULL) { | |
| 178 parse_err(SYNERR, "keyword identifier expected at %c\n", _curchar); | |
| 179 continue; | |
| 180 } | |
| 181 if (!strcmp(ident, "predicate")) instr->_predicate = pred_parse(); | |
| 182 else if (!strcmp(ident, "match")) { | |
| 183 // Allow one instruction have several match rules. | |
| 184 rule = instr->_matrule; | |
| 185 if (rule == NULL) { | |
| 186 // This is first match rule encountered | |
| 187 rule = match_parse(instr->_localNames); | |
| 188 if (rule) { | |
| 189 instr->_matrule = rule; | |
| 190 // Special case the treatment of Control instructions. | |
| 191 if( instr->is_ideal_control() ) { | |
| 192 // Control instructions return a special result, 'Universe' | |
| 193 rule->_result = "Universe"; | |
| 194 } | |
| 195 // Check for commutative operations with tree operands. | |
| 196 matchrule_clone_and_swap(rule, instr->_ident, match_rules_cnt); | |
| 197 } | |
| 198 } else { | |
| 199 // Find the end of the match rule list | |
| 200 while (rule->_next != NULL) | |
| 201 rule = rule->_next; | |
| 202 // Add the new match rule to the list | |
| 203 rule->_next = match_parse(instr->_localNames); | |
| 204 if (rule->_next) { | |
| 205 rule = rule->_next; | |
| 206 if( instr->is_ideal_control() ) { | |
| 207 parse_err(SYNERR, "unique match rule expected for %s\n", rule->_name); | |
| 208 return; | |
| 209 } | |
| 210 assert(match_rules_cnt < 100," too many match rule clones"); | |
| 211 char* buf = (char*) malloc(strlen(instr->_ident) + 4); | |
| 212 sprintf(buf, "%s_%d", instr->_ident, match_rules_cnt++); | |
| 213 rule->_result = buf; | |
| 214 // Check for commutative operations with tree operands. | |
| 215 matchrule_clone_and_swap(rule, instr->_ident, match_rules_cnt); | |
| 216 } | |
| 217 } | |
| 218 } | |
| 219 else if (!strcmp(ident, "encode")) { | |
| 220 parse_err(SYNERR, "Instructions specify ins_encode, not encode\n"); | |
| 221 } | |
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222 else if (!strcmp(ident, "ins_encode")) ins_encode_parse(*instr); |
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223 // Parse late expand keyword. |
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224 else if (!strcmp(ident, "postalloc_expand")) postalloc_expand_parse(*instr); |
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225 else if (!strcmp(ident, "opcode")) instr->_opcode = opcode_parse(instr); |
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226 else if (!strcmp(ident, "size")) instr->_size = size_parse(instr); |
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227 else if (!strcmp(ident, "effect")) effect_parse(instr); |
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228 else if (!strcmp(ident, "expand")) instr->_exprule = expand_parse(instr); |
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229 else if (!strcmp(ident, "rewrite")) instr->_rewrule = rewrite_parse(); |
| 0 | 230 else if (!strcmp(ident, "constraint")) { |
| 231 parse_err(SYNERR, "Instructions do not specify a constraint\n"); | |
| 232 } | |
| 233 else if (!strcmp(ident, "construct")) { | |
| 234 parse_err(SYNERR, "Instructions do not specify a construct\n"); | |
| 235 } | |
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236 else if (!strcmp(ident, "format")) instr->_format = format_parse(); |
| 0 | 237 else if (!strcmp(ident, "interface")) { |
| 238 parse_err(SYNERR, "Instructions do not specify an interface\n"); | |
| 239 } | |
| 2008 | 240 else if (!strcmp(ident, "ins_pipe")) ins_pipe_parse(*instr); |
| 0 | 241 else { // Done with staticly defined parts of instruction definition |
| 242 // Check identifier to see if it is the name of an attribute | |
| 243 const Form *form = _globalNames[ident]; | |
| 244 AttributeForm *attr = form ? form->is_attribute() : NULL; | |
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245 if (attr && (attr->_atype == INS_ATTR)) { |
| 0 | 246 // Insert the new attribute into the linked list. |
| 247 Attribute *temp = attr_parse(ident); | |
| 248 temp->_next = instr->_attribs; | |
| 249 instr->_attribs = temp; | |
| 250 } else { | |
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251 parse_err(SYNERR, "expected one of:\n predicate, match, encode, or the name of" |
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252 " an instruction attribute at %s\n", ident); |
| 0 | 253 } |
| 254 } | |
| 255 skipws(); | |
| 256 } while(_curchar != '%'); | |
| 257 next_char(); | |
| 258 if (_curchar != '}') { | |
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259 parse_err(SYNERR, "missing '%%}' in instruction definition\n"); |
| 0 | 260 return; |
| 261 } | |
| 262 // Check for "Set" form of chain rule | |
| 263 adjust_set_rule(instr); | |
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264 if (_AD._pipeline) { |
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265 // No pipe required for late expand. |
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266 if (instr->expands() || instr->postalloc_expands()) { |
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267 if (instr->_ins_pipe) { |
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268 parse_err(WARN, "ins_pipe and expand rule both specified for instruction \"%s\";" |
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269 " ins_pipe will be unused\n", instr->_ident); |
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270 } |
| 0 | 271 } else { |
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272 if (!instr->_ins_pipe) { |
| 0 | 273 parse_err(WARN, "No ins_pipe specified for instruction \"%s\"\n", instr->_ident); |
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274 } |
| 0 | 275 } |
| 276 } | |
| 277 // Add instruction to tail of instruction list | |
| 278 _AD.addForm(instr); | |
| 279 | |
| 280 // Create instruction form for each additional match rule | |
| 281 rule = instr->_matrule; | |
| 282 if (rule != NULL) { | |
| 283 rule = rule->_next; | |
| 284 while (rule != NULL) { | |
| 285 ident = (char*)rule->_result; | |
| 286 InstructForm *clone = new InstructForm(ident, instr, rule); // Create new instruction form | |
| 287 _globalNames.Insert(ident, clone); // Add name to the name table | |
| 288 // Debugging Stuff | |
| 289 if (_AD._adl_debug > 1) | |
| 290 fprintf(stderr,"Parsing Instruction Form %s\n", ident); | |
| 291 // Check for "Set" form of chain rule | |
| 292 adjust_set_rule(clone); | |
| 293 // Add instruction to tail of instruction list | |
| 294 _AD.addForm(clone); | |
| 295 rule = rule->_next; | |
| 296 clone->_matrule->_next = NULL; // One match rule per clone | |
| 297 } | |
| 298 } | |
| 299 } | |
| 300 | |
| 301 //------------------------------matchrule_clone_and_swap----------------------- | |
| 302 // Check for commutative operations with subtree operands, | |
| 303 // create clones and swap operands. | |
| 304 void ADLParser::matchrule_clone_and_swap(MatchRule* rule, const char* instr_ident, int& match_rules_cnt) { | |
| 305 // Check for commutative operations with tree operands. | |
| 306 int count = 0; | |
| 307 rule->count_commutative_op(count); | |
| 308 if (count > 0) { | |
| 309 // Clone match rule and swap commutative operation's operands. | |
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310 rule->matchrule_swap_commutative_op(instr_ident, count, match_rules_cnt); |
| 0 | 311 } |
| 312 } | |
| 313 | |
| 314 //------------------------------adjust_set_rule-------------------------------- | |
| 315 // Check for "Set" form of chain rule | |
| 316 void ADLParser::adjust_set_rule(InstructForm *instr) { | |
| 317 if (instr->_matrule == NULL || instr->_matrule->_rChild == NULL) return; | |
| 318 const char *rch = instr->_matrule->_rChild->_opType; | |
| 319 const Form *frm = _globalNames[rch]; | |
| 320 if( (! strcmp(instr->_matrule->_opType,"Set")) && | |
| 321 frm && frm->is_operand() && (! frm->ideal_only()) ) { | |
| 322 // Previous implementation, which missed leaP*, but worked for loadCon* | |
| 323 unsigned position = 0; | |
| 324 const char *result = NULL; | |
| 325 const char *name = NULL; | |
| 326 const char *optype = NULL; | |
| 327 MatchNode *right = instr->_matrule->_rChild; | |
| 328 if (right->base_operand(position, _globalNames, result, name, optype)) { | |
| 329 position = 1; | |
| 330 const char *result2 = NULL; | |
| 331 const char *name2 = NULL; | |
| 332 const char *optype2 = NULL; | |
| 333 // Can not have additional base operands in right side of match! | |
| 334 if ( ! right->base_operand( position, _globalNames, result2, name2, optype2) ) { | |
| 2008 | 335 if (instr->_predicate != NULL) |
| 336 parse_err(SYNERR, "ADLC does not support instruction chain rules with predicates"); | |
| 0 | 337 // Chain from input _ideal_operand_type_, |
| 338 // Needed for shared roots of match-trees | |
| 339 ChainList *lst = (ChainList *)_AD._chainRules[optype]; | |
| 340 if (lst == NULL) { | |
| 341 lst = new ChainList(); | |
| 342 _AD._chainRules.Insert(optype, lst); | |
| 343 } | |
| 344 if (!lst->search(instr->_matrule->_lChild->_opType)) { | |
| 345 const char *cost = instr->cost(); | |
| 346 if (cost == NULL) { | |
| 347 cost = ((AttributeForm*)_globalNames[AttributeForm::_ins_cost])->_attrdef; | |
| 348 } | |
| 349 // The ADLC does not support chaining from the ideal operand type | |
| 350 // of a predicated user-defined operand | |
| 351 if( frm->is_operand() == NULL || frm->is_operand()->_predicate == NULL ) { | |
| 352 lst->insert(instr->_matrule->_lChild->_opType,cost,instr->_ident); | |
| 353 } | |
| 354 } | |
| 355 // Chain from input _user_defined_operand_type_, | |
| 356 lst = (ChainList *)_AD._chainRules[result]; | |
| 357 if (lst == NULL) { | |
| 358 lst = new ChainList(); | |
| 359 _AD._chainRules.Insert(result, lst); | |
| 360 } | |
| 361 if (!lst->search(instr->_matrule->_lChild->_opType)) { | |
| 362 const char *cost = instr->cost(); | |
| 363 if (cost == NULL) { | |
| 364 cost = ((AttributeForm*)_globalNames[AttributeForm::_ins_cost])->_attrdef; | |
| 365 } | |
| 366 // It is safe to chain from the top-level user-defined operand even | |
| 367 // if it has a predicate, since the predicate is checked before | |
| 368 // the user-defined type is available. | |
| 369 lst->insert(instr->_matrule->_lChild->_opType,cost,instr->_ident); | |
| 370 } | |
| 371 } else { | |
| 372 // May have instruction chain rule if root of right-tree is an ideal | |
| 373 OperandForm *rightOp = _globalNames[right->_opType]->is_operand(); | |
| 374 if( rightOp ) { | |
| 375 const Form *rightRoot = _globalNames[rightOp->_matrule->_opType]; | |
| 376 if( rightRoot && rightRoot->ideal_only() ) { | |
| 377 const char *chain_op = NULL; | |
| 378 if( rightRoot->is_instruction() ) | |
| 379 chain_op = rightOp->_ident; | |
| 380 if( chain_op ) { | |
| 381 // Look-up the operation in chain rule table | |
| 382 ChainList *lst = (ChainList *)_AD._chainRules[chain_op]; | |
| 383 if (lst == NULL) { | |
| 384 lst = new ChainList(); | |
| 385 _AD._chainRules.Insert(chain_op, lst); | |
| 386 } | |
| 387 // if (!lst->search(instr->_matrule->_lChild->_opType)) { | |
| 388 const char *cost = instr->cost(); | |
| 389 if (cost == NULL) { | |
| 390 cost = ((AttributeForm*)_globalNames[AttributeForm::_ins_cost])->_attrdef; | |
| 391 } | |
| 392 // This chains from a top-level operand whose predicate, if any, | |
| 393 // has been checked. | |
| 394 lst->insert(instr->_matrule->_lChild->_opType,cost,instr->_ident); | |
| 395 // } | |
| 396 } | |
| 397 } | |
| 398 } | |
| 399 } // end chain rule from right-tree's ideal root | |
| 400 } | |
| 401 } | |
| 402 } | |
| 403 | |
| 404 | |
| 405 //------------------------------oper_parse------------------------------------- | |
| 406 void ADLParser::oper_parse(void) { | |
| 407 char *ident; | |
| 408 OperandForm *oper; | |
| 409 AttributeForm *attr; | |
| 410 MatchRule *rule; | |
| 411 | |
| 412 // First get the name of the operand | |
| 413 skipws(); | |
| 414 if( (ident = get_unique_ident(_globalNames,"operand")) == NULL ) | |
| 415 return; | |
| 416 oper = new OperandForm(ident); // Create new operand form | |
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417 oper->_linenum = linenum(); |
| 0 | 418 _globalNames.Insert(ident, oper); // Add name to the name table |
| 419 | |
| 420 // Debugging Stuff | |
| 421 if (_AD._adl_debug > 1) fprintf(stderr,"Parsing Operand Form %s\n", ident); | |
| 422 | |
| 423 // Get the component operands | |
| 424 skipws(); | |
| 425 if (_curchar != '(') { | |
| 426 parse_err(SYNERR, "missing '(' in operand definition\n"); | |
| 427 return; | |
| 428 } | |
| 429 else get_oplist(oper->_parameters, oper->_localNames); // Parse the component operand list | |
| 430 skipws(); | |
| 431 // Check for block delimiter | |
| 432 if ((_curchar != '%') || (*(_ptr+1) != '{')) { // If not open block | |
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433 parse_err(SYNERR, "missing '%%{' in operand definition\n"); |
| 0 | 434 return; |
| 435 } | |
| 436 next_char(); next_char(); // Skip over "%{" symbol | |
| 437 do { | |
| 438 ident = get_ident(); // Grab next identifier | |
| 439 if (ident == NULL) { | |
| 440 parse_err(SYNERR, "keyword identifier expected at %c\n", _curchar); | |
| 441 continue; | |
| 442 } | |
| 443 if (!strcmp(ident, "predicate")) oper->_predicate = pred_parse(); | |
| 444 else if (!strcmp(ident, "match")) { | |
| 445 // Find the end of the match rule list | |
| 446 rule = oper->_matrule; | |
| 447 if (rule) { | |
| 448 while (rule->_next) rule = rule->_next; | |
| 449 // Add the new match rule to the list | |
| 450 rule->_next = match_parse(oper->_localNames); | |
| 451 if (rule->_next) { | |
| 452 rule->_next->_result = oper->_ident; | |
| 453 } | |
| 454 } | |
| 455 else { | |
| 456 // This is first match rule encountered | |
| 457 oper->_matrule = match_parse(oper->_localNames); | |
| 458 if (oper->_matrule) { | |
| 459 oper->_matrule->_result = oper->_ident; | |
| 460 } | |
| 461 } | |
| 462 } | |
| 463 else if (!strcmp(ident, "encode")) oper->_interface = interface_parse(); | |
| 464 else if (!strcmp(ident, "ins_encode")) { | |
| 465 parse_err(SYNERR, "Operands specify 'encode', not 'ins_encode'\n"); | |
| 466 } | |
| 467 else if (!strcmp(ident, "opcode")) { | |
| 468 parse_err(SYNERR, "Operands do not specify an opcode\n"); | |
| 469 } | |
| 470 else if (!strcmp(ident, "effect")) { | |
| 471 parse_err(SYNERR, "Operands do not specify an effect\n"); | |
| 472 } | |
| 473 else if (!strcmp(ident, "expand")) { | |
| 474 parse_err(SYNERR, "Operands do not specify an expand\n"); | |
| 475 } | |
| 476 else if (!strcmp(ident, "rewrite")) { | |
| 477 parse_err(SYNERR, "Operands do not specify a rewrite\n"); | |
| 478 } | |
| 479 else if (!strcmp(ident, "constraint"))oper->_constraint= constraint_parse(); | |
| 480 else if (!strcmp(ident, "construct")) oper->_construct = construct_parse(); | |
| 481 else if (!strcmp(ident, "format")) oper->_format = format_parse(); | |
| 482 else if (!strcmp(ident, "interface")) oper->_interface = interface_parse(); | |
| 483 // Check identifier to see if it is the name of an attribute | |
| 484 else if (((attr = _globalNames[ident]->is_attribute()) != NULL) && | |
| 485 (attr->_atype == OP_ATTR)) oper->_attribs = attr_parse(ident); | |
| 486 else { | |
| 487 parse_err(SYNERR, "expected one of - constraint, predicate, match, encode, format, construct, or the name of a defined operand attribute at %s\n", ident); | |
| 488 } | |
| 489 skipws(); | |
| 490 } while(_curchar != '%'); | |
| 491 next_char(); | |
| 492 if (_curchar != '}') { | |
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493 parse_err(SYNERR, "missing '%%}' in operand definition\n"); |
| 0 | 494 return; |
| 495 } | |
| 496 // Add operand to tail of operand list | |
| 497 _AD.addForm(oper); | |
| 498 } | |
| 499 | |
| 500 //------------------------------opclass_parse---------------------------------- | |
| 501 // Operand Classes are a block with a comma delimited list of operand names | |
| 502 void ADLParser::opclass_parse(void) { | |
| 503 char *ident; | |
| 504 OpClassForm *opc; | |
| 505 OperandForm *opForm; | |
| 506 | |
| 507 // First get the name of the operand class | |
| 508 skipws(); | |
| 509 if( (ident = get_unique_ident(_globalNames,"opclass")) == NULL ) | |
| 510 return; | |
| 511 opc = new OpClassForm(ident); // Create new operand class form | |
| 512 _globalNames.Insert(ident, opc); // Add name to the name table | |
| 513 | |
| 514 // Debugging Stuff | |
| 515 if (_AD._adl_debug > 1) | |
| 516 fprintf(stderr,"Parsing Operand Class Form %s\n", ident); | |
| 517 | |
| 518 // Get the list of operands | |
| 519 skipws(); | |
| 520 if (_curchar != '(') { | |
| 521 parse_err(SYNERR, "missing '(' in operand definition\n"); | |
| 522 return; | |
| 523 } | |
| 524 do { | |
| 525 next_char(); // Skip past open paren or comma | |
| 526 ident = get_ident(); // Grab next identifier | |
| 527 if (ident == NULL) { | |
| 528 parse_err(SYNERR, "keyword identifier expected at %c\n", _curchar); | |
| 529 continue; | |
| 530 } | |
| 531 // Check identifier to see if it is the name of an operand | |
| 532 const Form *form = _globalNames[ident]; | |
| 533 opForm = form ? form->is_operand() : NULL; | |
| 534 if ( opForm ) { | |
| 535 opc->_oplst.addName(ident); // Add operand to opclass list | |
| 536 opForm->_classes.addName(opc->_ident);// Add opclass to operand list | |
| 537 } | |
| 538 else { | |
| 539 parse_err(SYNERR, "expected name of a defined operand at %s\n", ident); | |
| 540 } | |
| 541 skipws(); // skip trailing whitespace | |
| 542 } while (_curchar == ','); // Check for the comma | |
| 543 // Check for closing ')' | |
| 544 if (_curchar != ')') { | |
| 545 parse_err(SYNERR, "missing ')' or ',' in opclass definition\n"); | |
| 546 return; | |
| 547 } | |
| 548 next_char(); // Consume the ')' | |
| 549 skipws(); | |
| 550 // Check for closing ';' | |
| 551 if (_curchar != ';') { | |
| 552 parse_err(SYNERR, "missing ';' in opclass definition\n"); | |
| 553 return; | |
| 554 } | |
| 555 next_char(); // Consume the ';' | |
| 556 // Add operand to tail of operand list | |
| 557 _AD.addForm(opc); | |
| 558 } | |
| 559 | |
| 560 //------------------------------ins_attr_parse--------------------------------- | |
| 561 void ADLParser::ins_attr_parse(void) { | |
| 562 char *ident; | |
| 563 char *aexpr; | |
| 564 AttributeForm *attrib; | |
| 565 | |
| 566 // get name for the instruction attribute | |
| 567 skipws(); // Skip leading whitespace | |
| 568 if( (ident = get_unique_ident(_globalNames,"inst_attrib")) == NULL ) | |
| 569 return; | |
| 570 // Debugging Stuff | |
| 571 if (_AD._adl_debug > 1) fprintf(stderr,"Parsing Ins_Attribute Form %s\n", ident); | |
| 572 | |
| 573 // Get default value of the instruction attribute | |
| 574 skipws(); // Skip whitespace | |
| 575 if ((aexpr = get_paren_expr("attribute default expression string")) == NULL) { | |
| 576 parse_err(SYNERR, "missing '(' in ins_attrib definition\n"); | |
| 577 return; | |
| 578 } | |
| 579 // Debug Stuff | |
| 580 if (_AD._adl_debug > 1) fprintf(stderr,"Attribute Expression: %s\n", aexpr); | |
| 581 | |
| 582 // Check for terminator | |
| 583 if (_curchar != ';') { | |
| 584 parse_err(SYNERR, "missing ';' in ins_attrib definition\n"); | |
| 585 return; | |
| 586 } | |
| 587 next_char(); // Advance past the ';' | |
| 588 | |
| 589 // Construct the attribute, record global name, and store in ArchDesc | |
| 590 attrib = new AttributeForm(ident, INS_ATTR, aexpr); | |
| 591 _globalNames.Insert(ident, attrib); // Add name to the name table | |
| 592 _AD.addForm(attrib); | |
| 593 } | |
| 594 | |
| 595 //------------------------------op_attr_parse---------------------------------- | |
| 596 void ADLParser::op_attr_parse(void) { | |
| 597 char *ident; | |
| 598 char *aexpr; | |
| 599 AttributeForm *attrib; | |
| 600 | |
| 601 // get name for the operand attribute | |
| 602 skipws(); // Skip leading whitespace | |
| 603 if( (ident = get_unique_ident(_globalNames,"op_attrib")) == NULL ) | |
| 604 return; | |
| 605 // Debugging Stuff | |
| 606 if (_AD._adl_debug > 1) fprintf(stderr,"Parsing Op_Attribute Form %s\n", ident); | |
| 607 | |
| 608 // Get default value of the instruction attribute | |
| 609 skipws(); // Skip whitespace | |
| 610 if ((aexpr = get_paren_expr("attribute default expression string")) == NULL) { | |
| 611 parse_err(SYNERR, "missing '(' in op_attrib definition\n"); | |
| 612 return; | |
| 613 } | |
| 614 // Debug Stuff | |
| 615 if (_AD._adl_debug > 1) fprintf(stderr,"Attribute Expression: %s\n", aexpr); | |
| 616 | |
| 617 // Check for terminator | |
| 618 if (_curchar != ';') { | |
| 619 parse_err(SYNERR, "missing ';' in op_attrib definition\n"); | |
| 620 return; | |
| 621 } | |
| 622 next_char(); // Advance past the ';' | |
| 623 | |
| 624 // Construct the attribute, record global name, and store in ArchDesc | |
| 625 attrib = new AttributeForm(ident, OP_ATTR, aexpr); | |
| 626 _globalNames.Insert(ident, attrib); | |
| 627 _AD.addForm(attrib); | |
| 628 } | |
| 629 | |
| 630 //------------------------------definitions_parse----------------------------------- | |
| 631 void ADLParser::definitions_parse(void) { | |
| 632 skipws(); // Skip leading whitespace | |
| 633 if (_curchar == '%' && *(_ptr+1) == '{') { | |
| 634 next_char(); next_char(); // Skip "%{" | |
| 635 skipws(); | |
| 636 while (_curchar != '%' && *(_ptr+1) != '}') { | |
| 637 // Process each definition until finding closing string "%}" | |
| 638 char *token = get_ident(); | |
| 639 if (token == NULL) { | |
| 640 parse_err(SYNERR, "missing identifier inside definitions block.\n"); | |
| 641 return; | |
| 642 } | |
| 643 if (strcmp(token,"int_def")==0) { int_def_parse(); } | |
| 644 // if (strcmp(token,"str_def")==0) { str_def_parse(); } | |
| 645 skipws(); | |
| 646 } | |
| 647 } | |
| 648 else { | |
| 649 parse_err(SYNERR, "Missing %%{ ... %%} block after definitions keyword.\n"); | |
| 650 return; | |
| 651 } | |
| 652 } | |
| 653 | |
| 654 //------------------------------int_def_parse---------------------------------- | |
| 655 // Parse Example: | |
| 656 // int_def MEMORY_REF_COST ( 200, DEFAULT_COST * 2); | |
| 657 // <keyword> <name> ( <int_value>, <description> ); | |
| 658 // | |
| 659 void ADLParser::int_def_parse(void) { | |
| 660 char *name = NULL; // Name of definition | |
| 661 char *value = NULL; // its value, | |
| 662 int int_value = -1; // positive values only | |
| 663 char *description = NULL; // textual description | |
| 664 | |
| 665 // Get definition name | |
| 666 skipws(); // Skip whitespace | |
| 667 name = get_ident(); | |
| 668 if (name == NULL) { | |
| 669 parse_err(SYNERR, "missing definition name after int_def\n"); | |
| 670 return; | |
| 671 } | |
| 672 | |
| 673 // Check for value of int_def dname( integer_value [, string_expression ] ) | |
| 674 skipws(); | |
| 675 if (_curchar == '(') { | |
| 676 | |
| 677 // Parse the integer value. | |
| 678 next_char(); | |
| 679 value = get_ident(); | |
| 680 if (value == NULL) { | |
| 681 parse_err(SYNERR, "missing value in int_def\n"); | |
| 682 return; | |
| 683 } | |
| 684 if( !is_int_token(value, int_value) ) { | |
| 685 parse_err(SYNERR, "value in int_def is not recognized as integer\n"); | |
| 686 return; | |
| 687 } | |
| 688 skipws(); | |
| 689 | |
| 690 // Check for description | |
| 691 if (_curchar == ',') { | |
| 692 next_char(); // skip ',' | |
| 693 | |
| 694 description = get_expr("int_def description", ")"); | |
| 695 if (description == NULL) { | |
| 696 parse_err(SYNERR, "invalid or missing description in int_def\n"); | |
| 697 return; | |
| 698 } | |
| 699 trim(description); | |
| 700 } | |
| 701 | |
| 702 if (_curchar != ')') { | |
| 703 parse_err(SYNERR, "missing ')' in register definition statement\n"); | |
| 704 return; | |
| 705 } | |
| 706 next_char(); | |
| 707 } | |
| 708 | |
| 709 // Check for closing ';' | |
| 710 skipws(); | |
| 711 if (_curchar != ';') { | |
| 712 parse_err(SYNERR, "missing ';' after int_def\n"); | |
| 713 return; | |
| 714 } | |
| 715 next_char(); // move past ';' | |
| 716 | |
| 717 // Debug Stuff | |
| 718 if (_AD._adl_debug > 1) { | |
| 719 fprintf(stderr,"int_def: %s ( %s, %s )\n", name, | |
| 720 (value), (description ? description : "")); | |
| 721 } | |
| 722 | |
| 723 // Record new definition. | |
| 724 Expr *expr = new Expr(name, description, int_value, int_value); | |
| 725 const Expr *old_expr = _AD.globalDefs().define(name, expr); | |
| 726 if (old_expr != NULL) { | |
| 727 parse_err(SYNERR, "Duplicate definition\n"); | |
| 728 return; | |
| 729 } | |
| 730 | |
| 731 return; | |
| 732 } | |
| 733 | |
| 734 | |
| 735 //------------------------------source_parse----------------------------------- | |
| 736 void ADLParser::source_parse(void) { | |
| 737 SourceForm *source; // Encode class for instruction/operand | |
| 738 char *rule = NULL; // String representation of encode rule | |
| 739 | |
| 740 skipws(); // Skip leading whitespace | |
| 741 if ( (rule = find_cpp_block("source block")) == NULL ) { | |
| 742 parse_err(SYNERR, "incorrect or missing block for 'source'.\n"); | |
| 743 return; | |
| 744 } | |
| 745 // Debug Stuff | |
| 746 if (_AD._adl_debug > 1) fprintf(stderr,"Source Form: %s\n", rule); | |
| 747 | |
| 748 source = new SourceForm(rule); // Build new Source object | |
| 749 _AD.addForm(source); | |
| 750 // skipws(); | |
| 751 } | |
| 752 | |
| 753 //------------------------------source_hpp_parse------------------------------- | |
| 754 // Parse a source_hpp %{ ... %} block. | |
| 755 // The code gets stuck into the ad_<arch>.hpp file. | |
| 756 // If the source_hpp block appears before the register block in the AD | |
| 757 // file, it goes up at the very top of the ad_<arch>.hpp file, so that | |
| 758 // it can be used by register encodings, etc. Otherwise, it goes towards | |
| 759 // the bottom, where it's useful as a global definition to *.cpp files. | |
| 760 void ADLParser::source_hpp_parse(void) { | |
| 761 char *rule = NULL; // String representation of encode rule | |
| 762 | |
| 763 skipws(); // Skip leading whitespace | |
| 764 if ( (rule = find_cpp_block("source_hpp block")) == NULL ) { | |
| 765 parse_err(SYNERR, "incorrect or missing block for 'source_hpp'.\n"); | |
| 766 return; | |
| 767 } | |
| 768 // Debug Stuff | |
| 769 if (_AD._adl_debug > 1) fprintf(stderr,"Header Form: %s\n", rule); | |
| 770 | |
| 771 if (_AD.get_registers() == NULL) { | |
| 772 // Very early in the file, before reg_defs, we collect pre-headers. | |
| 773 PreHeaderForm* pre_header = new PreHeaderForm(rule); | |
| 774 _AD.addForm(pre_header); | |
| 775 } else { | |
| 776 // Normally, we collect header info, placed at the bottom of the hpp file. | |
| 777 HeaderForm* header = new HeaderForm(rule); | |
| 778 _AD.addForm(header); | |
| 779 } | |
| 780 } | |
| 781 | |
| 782 //------------------------------reg_parse-------------------------------------- | |
| 783 void ADLParser::reg_parse(void) { | |
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784 RegisterForm *regBlock = _AD.get_registers(); // Information about registers encoding |
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785 if (regBlock == NULL) { |
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786 // Create the RegisterForm for the architecture description. |
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787 regBlock = new RegisterForm(); // Build new Source object |
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788 _AD.addForm(regBlock); |
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789 } |
| 0 | 790 |
| 791 skipws(); // Skip leading whitespace | |
| 792 if (_curchar == '%' && *(_ptr+1) == '{') { | |
| 793 next_char(); next_char(); // Skip "%{" | |
| 794 skipws(); | |
| 795 while (_curchar != '%' && *(_ptr+1) != '}') { | |
| 796 char *token = get_ident(); | |
| 797 if (token == NULL) { | |
| 798 parse_err(SYNERR, "missing identifier inside register block.\n"); | |
| 799 return; | |
| 800 } | |
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801 if (strcmp(token,"reg_def")==0) { reg_def_parse(); } |
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802 else if (strcmp(token,"reg_class")==0) { reg_class_parse(); } |
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803 else if (strcmp(token,"alloc_class")==0) { alloc_class_parse(); } |
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804 else if (strcmp(token,"#define")==0) { preproc_define(); } |
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805 else { parse_err(SYNERR, "bad token %s inside register block.\n", token); break; } |
| 0 | 806 skipws(); |
| 807 } | |
| 808 } | |
| 809 else { | |
| 810 parse_err(SYNERR, "Missing %c{ ... %c} block after register keyword.\n",'%','%'); | |
| 811 return; | |
| 812 } | |
| 813 } | |
| 814 | |
| 815 //------------------------------encode_parse----------------------------------- | |
| 816 void ADLParser::encode_parse(void) { | |
| 817 EncodeForm *encBlock; // Information about instruction/operand encoding | |
| 818 | |
| 819 _AD.getForm(&encBlock); | |
| 820 if ( encBlock == NULL) { | |
| 821 // Create the EncodeForm for the architecture description. | |
| 822 encBlock = new EncodeForm(); // Build new Source object | |
| 823 _AD.addForm(encBlock); | |
| 824 } | |
| 825 | |
| 826 skipws(); // Skip leading whitespace | |
| 827 if (_curchar == '%' && *(_ptr+1) == '{') { | |
| 828 next_char(); next_char(); // Skip "%{" | |
| 829 skipws(); | |
| 830 while (_curchar != '%' && *(_ptr+1) != '}') { | |
| 831 char *token = get_ident(); | |
| 832 if (token == NULL) { | |
| 833 parse_err(SYNERR, "missing identifier inside encoding block.\n"); | |
| 834 return; | |
| 835 } | |
| 836 if (strcmp(token,"enc_class")==0) { enc_class_parse(); } | |
| 837 skipws(); | |
| 838 } | |
| 839 } | |
| 840 else { | |
| 841 parse_err(SYNERR, "Missing %c{ ... %c} block after encode keyword.\n",'%','%'); | |
| 842 return; | |
| 843 } | |
| 844 } | |
| 845 | |
| 846 //------------------------------enc_class_parse-------------------------------- | |
| 847 void ADLParser::enc_class_parse(void) { | |
| 848 char *ec_name; // Name of encoding class being defined | |
| 849 | |
| 850 // Get encoding class name | |
| 851 skipws(); // Skip whitespace | |
| 852 ec_name = get_ident(); | |
| 853 if (ec_name == NULL) { | |
| 854 parse_err(SYNERR, "missing encoding class name after encode.\n"); | |
| 855 return; | |
| 856 } | |
| 857 | |
| 858 EncClass *encoding = _AD._encode->add_EncClass(ec_name); | |
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859 encoding->_linenum = linenum(); |
| 0 | 860 |
| 861 skipws(); // Skip leading whitespace | |
| 862 // Check for optional parameter list | |
| 863 if (_curchar == '(') { | |
| 864 do { | |
| 865 char *pType = NULL; // parameter type | |
| 866 char *pName = NULL; // parameter name | |
| 867 | |
| 868 next_char(); // skip open paren & comma characters | |
| 869 skipws(); | |
| 870 if (_curchar == ')') break; | |
| 871 | |
| 872 // Get parameter type | |
| 873 pType = get_ident(); | |
| 874 if (pType == NULL) { | |
| 875 parse_err(SYNERR, "parameter type expected at %c\n", _curchar); | |
| 876 return; | |
| 877 } | |
| 878 | |
| 879 skipws(); | |
| 880 // Get parameter name | |
| 881 pName = get_ident(); | |
| 882 if (pName == NULL) { | |
| 883 parse_err(SYNERR, "parameter name expected at %c\n", _curchar); | |
| 884 return; | |
| 885 } | |
| 886 | |
| 887 // Record parameter type and name | |
| 888 encoding->add_parameter( pType, pName ); | |
| 889 | |
| 890 skipws(); | |
| 891 } while(_curchar == ','); | |
| 892 | |
| 893 if (_curchar != ')') parse_err(SYNERR, "missing ')'\n"); | |
| 894 else { | |
| 895 next_char(); // Skip ')' | |
| 896 } | |
| 897 } // Done with parameter list | |
| 898 | |
| 899 skipws(); | |
| 900 // Check for block starting delimiters | |
| 901 if ((_curchar != '%') || (*(_ptr+1) != '{')) { // If not open block | |
| 902 parse_err(SYNERR, "missing '%c{' in enc_class definition\n", '%'); | |
| 903 return; | |
| 904 } | |
| 905 next_char(); // Skip '%' | |
| 906 next_char(); // Skip '{' | |
| 907 | |
| 908 enc_class_parse_block(encoding, ec_name); | |
| 909 } | |
| 910 | |
| 911 | |
| 912 void ADLParser::enc_class_parse_block(EncClass* encoding, char* ec_name) { | |
| 913 skipws_no_preproc(); // Skip leading whitespace | |
| 914 // Prepend location descriptor, for debugging; cf. ADLParser::find_cpp_block | |
| 915 if (_AD._adlocation_debug) { | |
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916 encoding->add_code(get_line_string()); |
| 0 | 917 } |
| 918 | |
| 919 // Collect the parts of the encode description | |
| 920 // (1) strings that are passed through to output | |
| 921 // (2) replacement/substitution variable, preceeded by a '$' | |
| 922 while ( (_curchar != '%') && (*(_ptr+1) != '}') ) { | |
| 923 | |
| 924 // (1) | |
| 925 // Check if there is a string to pass through to output | |
| 926 char *start = _ptr; // Record start of the next string | |
| 927 while ((_curchar != '$') && ((_curchar != '%') || (*(_ptr+1) != '}')) ) { | |
| 928 // If at the start of a comment, skip past it | |
| 929 if( (_curchar == '/') && ((*(_ptr+1) == '/') || (*(_ptr+1) == '*')) ) { | |
| 930 skipws_no_preproc(); | |
| 931 } else { | |
| 932 // ELSE advance to the next character, or start of the next line | |
| 933 next_char_or_line(); | |
| 934 } | |
| 935 } | |
| 936 // If a string was found, terminate it and record in EncClass | |
| 937 if ( start != _ptr ) { | |
| 938 *_ptr = '\0'; // Terminate the string | |
| 939 encoding->add_code(start); | |
| 940 } | |
| 941 | |
| 942 // (2) | |
| 943 // If we are at a replacement variable, | |
| 944 // copy it and record in EncClass | |
| 2008 | 945 if (_curchar == '$') { |
| 0 | 946 // Found replacement Variable |
| 2008 | 947 char* rep_var = get_rep_var_ident_dup(); |
| 0 | 948 // Add flag to _strings list indicating we should check _rep_vars |
| 949 encoding->add_rep_var(rep_var); | |
| 950 } | |
| 951 } // end while part of format description | |
| 952 next_char(); // Skip '%' | |
| 953 next_char(); // Skip '}' | |
| 954 | |
| 955 skipws(); | |
| 956 | |
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957 if (_AD._adlocation_debug) { |
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958 encoding->add_code(end_line_marker()); |
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959 } |
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960 |
| 0 | 961 // Debug Stuff |
| 962 if (_AD._adl_debug > 1) fprintf(stderr,"EncodingClass Form: %s\n", ec_name); | |
| 963 } | |
| 964 | |
| 965 //------------------------------frame_parse----------------------------------- | |
| 966 void ADLParser::frame_parse(void) { | |
| 967 FrameForm *frame; // Information about stack-frame layout | |
| 968 char *desc = NULL; // String representation of frame | |
| 969 | |
| 970 skipws(); // Skip leading whitespace | |
| 971 | |
| 972 frame = new FrameForm(); // Build new Frame object | |
| 973 // Check for open block sequence | |
| 974 skipws(); // Skip leading whitespace | |
| 975 if (_curchar == '%' && *(_ptr+1) == '{') { | |
| 976 next_char(); next_char(); // Skip "%{" | |
| 977 skipws(); | |
| 978 while (_curchar != '%' && *(_ptr+1) != '}') { | |
| 979 char *token = get_ident(); | |
| 980 if (token == NULL) { | |
| 981 parse_err(SYNERR, "missing identifier inside frame block.\n"); | |
| 982 return; | |
| 983 } | |
| 984 if (strcmp(token,"stack_direction")==0) { | |
| 985 stack_dir_parse(frame); | |
| 986 } | |
| 987 if (strcmp(token,"sync_stack_slots")==0) { | |
| 988 sync_stack_slots_parse(frame); | |
| 989 } | |
| 990 if (strcmp(token,"frame_pointer")==0) { | |
| 991 frame_pointer_parse(frame, false); | |
| 992 } | |
| 993 if (strcmp(token,"interpreter_frame_pointer")==0) { | |
| 994 interpreter_frame_pointer_parse(frame, false); | |
| 995 } | |
| 996 if (strcmp(token,"inline_cache_reg")==0) { | |
| 997 inline_cache_parse(frame, false); | |
| 998 } | |
| 999 if (strcmp(token,"compiler_method_oop_reg")==0) { | |
| 1000 parse_err(WARN, "Using obsolete Token, compiler_method_oop_reg"); | |
| 1001 skipws(); | |
| 1002 } | |
| 1003 if (strcmp(token,"interpreter_method_oop_reg")==0) { | |
| 1004 interpreter_method_oop_parse(frame, false); | |
| 1005 } | |
| 1006 if (strcmp(token,"cisc_spilling_operand_name")==0) { | |
| 1007 cisc_spilling_operand_name_parse(frame, false); | |
| 1008 } | |
| 1009 if (strcmp(token,"stack_alignment")==0) { | |
| 1010 stack_alignment_parse(frame); | |
| 1011 } | |
| 1012 if (strcmp(token,"return_addr")==0) { | |
| 1013 return_addr_parse(frame, false); | |
| 1014 } | |
| 1015 if (strcmp(token,"in_preserve_stack_slots")==0) { | |
| 1016 preserve_stack_parse(frame); | |
| 1017 } | |
| 1018 if (strcmp(token,"out_preserve_stack_slots")==0) { | |
| 1019 parse_err(WARN, "Using obsolete token, out_preserve_stack_slots"); | |
| 1020 skipws(); | |
| 1021 } | |
| 1022 if (strcmp(token,"varargs_C_out_slots_killed")==0) { | |
| 1023 frame->_varargs_C_out_slots_killed = parse_one_arg("varargs C out slots killed"); | |
| 1024 } | |
| 1025 if (strcmp(token,"calling_convention")==0) { | |
| 1026 frame->_calling_convention = calling_convention_parse(); | |
| 1027 } | |
| 1028 if (strcmp(token,"return_value")==0) { | |
| 1029 frame->_return_value = return_value_parse(); | |
| 1030 } | |
| 1031 if (strcmp(token,"c_frame_pointer")==0) { | |
| 1032 frame_pointer_parse(frame, true); | |
| 1033 } | |
| 1034 if (strcmp(token,"c_return_addr")==0) { | |
| 1035 return_addr_parse(frame, true); | |
| 1036 } | |
| 1037 if (strcmp(token,"c_calling_convention")==0) { | |
| 1038 frame->_c_calling_convention = calling_convention_parse(); | |
| 1039 } | |
| 1040 if (strcmp(token,"c_return_value")==0) { | |
| 1041 frame->_c_return_value = return_value_parse(); | |
| 1042 } | |
| 1043 | |
| 1044 skipws(); | |
| 1045 } | |
| 1046 } | |
| 1047 else { | |
| 1048 parse_err(SYNERR, "Missing %c{ ... %c} block after encode keyword.\n",'%','%'); | |
| 1049 return; | |
| 1050 } | |
| 1051 // All Java versions are required, native versions are optional | |
| 1052 if(frame->_frame_pointer == NULL) { | |
| 1053 parse_err(SYNERR, "missing frame pointer definition in frame section.\n"); | |
| 1054 return; | |
| 1055 } | |
| 1056 // !!!!! !!!!! | |
| 1057 // if(frame->_interpreter_frame_ptr_reg == NULL) { | |
| 1058 // parse_err(SYNERR, "missing interpreter frame pointer definition in frame section.\n"); | |
| 1059 // return; | |
| 1060 // } | |
| 1061 if(frame->_alignment == NULL) { | |
| 1062 parse_err(SYNERR, "missing alignment definition in frame section.\n"); | |
| 1063 return; | |
| 1064 } | |
| 1065 if(frame->_return_addr == NULL) { | |
| 1066 parse_err(SYNERR, "missing return address location in frame section.\n"); | |
| 1067 return; | |
| 1068 } | |
| 1069 if(frame->_in_preserve_slots == NULL) { | |
| 1070 parse_err(SYNERR, "missing stack slot preservation definition in frame section.\n"); | |
| 1071 return; | |
| 1072 } | |
| 1073 if(frame->_varargs_C_out_slots_killed == NULL) { | |
| 1074 parse_err(SYNERR, "missing varargs C out slots killed definition in frame section.\n"); | |
| 1075 return; | |
| 1076 } | |
| 1077 if(frame->_calling_convention == NULL) { | |
| 1078 parse_err(SYNERR, "missing calling convention definition in frame section.\n"); | |
| 1079 return; | |
| 1080 } | |
| 1081 if(frame->_return_value == NULL) { | |
| 1082 parse_err(SYNERR, "missing return value definition in frame section.\n"); | |
| 1083 return; | |
| 1084 } | |
| 1085 // Fill natives in identically with the Java versions if not present. | |
| 1086 if(frame->_c_frame_pointer == NULL) { | |
| 1087 frame->_c_frame_pointer = frame->_frame_pointer; | |
| 1088 } | |
| 1089 if(frame->_c_return_addr == NULL) { | |
| 1090 frame->_c_return_addr = frame->_return_addr; | |
| 1091 frame->_c_return_addr_loc = frame->_return_addr_loc; | |
| 1092 } | |
| 1093 if(frame->_c_calling_convention == NULL) { | |
| 1094 frame->_c_calling_convention = frame->_calling_convention; | |
| 1095 } | |
| 1096 if(frame->_c_return_value == NULL) { | |
| 1097 frame->_c_return_value = frame->_return_value; | |
| 1098 } | |
| 1099 | |
| 1100 // Debug Stuff | |
| 1101 if (_AD._adl_debug > 1) fprintf(stderr,"Frame Form: %s\n", desc); | |
| 1102 | |
| 1103 // Create the EncodeForm for the architecture description. | |
| 1104 _AD.addForm(frame); | |
| 1105 // skipws(); | |
| 1106 } | |
| 1107 | |
| 1108 //------------------------------stack_dir_parse-------------------------------- | |
| 1109 void ADLParser::stack_dir_parse(FrameForm *frame) { | |
| 1110 char *direction = parse_one_arg("stack direction entry"); | |
| 1111 if (strcmp(direction, "TOWARDS_LOW") == 0) { | |
| 1112 frame->_direction = false; | |
| 1113 } | |
| 1114 else if (strcmp(direction, "TOWARDS_HIGH") == 0) { | |
| 1115 frame->_direction = true; | |
| 1116 } | |
| 1117 else { | |
| 1118 parse_err(SYNERR, "invalid value inside stack direction entry.\n"); | |
| 1119 return; | |
| 1120 } | |
| 1121 } | |
| 1122 | |
| 1123 //------------------------------sync_stack_slots_parse------------------------- | |
| 1124 void ADLParser::sync_stack_slots_parse(FrameForm *frame) { | |
| 1125 // Assign value into frame form | |
| 1126 frame->_sync_stack_slots = parse_one_arg("sync stack slots entry"); | |
| 1127 } | |
| 1128 | |
| 1129 //------------------------------frame_pointer_parse---------------------------- | |
| 1130 void ADLParser::frame_pointer_parse(FrameForm *frame, bool native) { | |
| 1131 char *frame_pointer = parse_one_arg("frame pointer entry"); | |
| 1132 // Assign value into frame form | |
| 1133 if (native) { frame->_c_frame_pointer = frame_pointer; } | |
| 1134 else { frame->_frame_pointer = frame_pointer; } | |
| 1135 } | |
| 1136 | |
| 1137 //------------------------------interpreter_frame_pointer_parse---------------------------- | |
| 1138 void ADLParser::interpreter_frame_pointer_parse(FrameForm *frame, bool native) { | |
| 1139 frame->_interpreter_frame_pointer_reg = parse_one_arg("interpreter frame pointer entry"); | |
| 1140 } | |
| 1141 | |
| 1142 //------------------------------inline_cache_parse----------------------------- | |
| 1143 void ADLParser::inline_cache_parse(FrameForm *frame, bool native) { | |
| 1144 frame->_inline_cache_reg = parse_one_arg("inline cache reg entry"); | |
| 1145 } | |
| 1146 | |
| 1147 //------------------------------interpreter_method_oop_parse------------------ | |
| 1148 void ADLParser::interpreter_method_oop_parse(FrameForm *frame, bool native) { | |
| 1149 frame->_interpreter_method_oop_reg = parse_one_arg("method oop reg entry"); | |
| 1150 } | |
| 1151 | |
| 1152 //------------------------------cisc_spilling_operand_parse--------------------- | |
| 1153 void ADLParser::cisc_spilling_operand_name_parse(FrameForm *frame, bool native) { | |
| 1154 frame->_cisc_spilling_operand_name = parse_one_arg("cisc spilling operand name"); | |
| 1155 } | |
| 1156 | |
| 1157 //------------------------------stack_alignment_parse-------------------------- | |
| 1158 void ADLParser::stack_alignment_parse(FrameForm *frame) { | |
| 1159 char *alignment = parse_one_arg("stack alignment entry"); | |
| 1160 // Assign value into frame | |
| 1161 frame->_alignment = alignment; | |
| 1162 } | |
| 1163 | |
| 1164 //------------------------------parse_one_arg------------------------------- | |
| 1165 char *ADLParser::parse_one_arg(const char *description) { | |
| 1166 char *token = NULL; | |
| 1167 if(_curchar == '(') { | |
| 1168 next_char(); | |
| 1169 skipws(); | |
| 1170 token = get_expr(description, ")"); | |
| 1171 if (token == NULL) { | |
| 1172 parse_err(SYNERR, "missing value inside %s.\n", description); | |
| 1173 return NULL; | |
| 1174 } | |
| 1175 next_char(); // skip the close paren | |
| 1176 if(_curchar != ';') { // check for semi-colon | |
| 1177 parse_err(SYNERR, "missing %c in.\n", ';', description); | |
| 1178 return NULL; | |
| 1179 } | |
| 1180 next_char(); // skip the semi-colon | |
| 1181 } | |
| 1182 else { | |
| 1183 parse_err(SYNERR, "Missing %c in.\n", '(', description); | |
| 1184 return NULL; | |
| 1185 } | |
| 1186 | |
| 1187 trim(token); | |
| 1188 return token; | |
| 1189 } | |
| 1190 | |
| 1191 //------------------------------return_addr_parse------------------------------ | |
| 1192 void ADLParser::return_addr_parse(FrameForm *frame, bool native) { | |
| 1193 bool in_register = true; | |
| 1194 if(_curchar == '(') { | |
| 1195 next_char(); | |
| 1196 skipws(); | |
| 1197 char *token = get_ident(); | |
| 1198 if (token == NULL) { | |
| 1199 parse_err(SYNERR, "missing value inside return address entry.\n"); | |
| 1200 return; | |
| 1201 } | |
| 1202 // check for valid values for stack/register | |
| 1203 if (strcmp(token, "REG") == 0) { | |
| 1204 in_register = true; | |
| 1205 } | |
| 1206 else if (strcmp(token, "STACK") == 0) { | |
| 1207 in_register = false; | |
| 1208 } | |
| 1209 else { | |
| 1210 parse_err(SYNERR, "invalid value inside return_address entry.\n"); | |
| 1211 return; | |
| 1212 } | |
| 1213 if (native) { frame->_c_return_addr_loc = in_register; } | |
| 1214 else { frame->_return_addr_loc = in_register; } | |
| 1215 | |
| 1216 // Parse expression that specifies register or stack position | |
| 1217 skipws(); | |
| 1218 char *token2 = get_expr("return address entry", ")"); | |
| 1219 if (token2 == NULL) { | |
| 1220 parse_err(SYNERR, "missing value inside return address entry.\n"); | |
| 1221 return; | |
| 1222 } | |
| 1223 next_char(); // skip the close paren | |
| 1224 if (native) { frame->_c_return_addr = token2; } | |
| 1225 else { frame->_return_addr = token2; } | |
| 1226 | |
| 1227 if(_curchar != ';') { // check for semi-colon | |
| 1228 parse_err(SYNERR, "missing %c in return address entry.\n", ';'); | |
| 1229 return; | |
| 1230 } | |
| 1231 next_char(); // skip the semi-colon | |
| 1232 } | |
| 1233 else { | |
| 1234 parse_err(SYNERR, "Missing %c in return_address entry.\n", '('); | |
| 1235 } | |
| 1236 } | |
| 1237 | |
| 1238 //------------------------------preserve_stack_parse--------------------------- | |
| 1239 void ADLParser::preserve_stack_parse(FrameForm *frame) { | |
| 1240 if(_curchar == '(') { | |
| 1241 char *token = get_paren_expr("preserve_stack_slots"); | |
| 1242 frame->_in_preserve_slots = token; | |
| 1243 | |
| 1244 if(_curchar != ';') { // check for semi-colon | |
| 1245 parse_err(SYNERR, "missing %c in preserve stack slot entry.\n", ';'); | |
| 1246 return; | |
| 1247 } | |
| 1248 next_char(); // skip the semi-colon | |
| 1249 } | |
| 1250 else { | |
| 1251 parse_err(SYNERR, "Missing %c in preserve stack slot entry.\n", '('); | |
| 1252 } | |
| 1253 } | |
| 1254 | |
| 1255 //------------------------------calling_convention_parse----------------------- | |
| 1256 char *ADLParser::calling_convention_parse() { | |
| 1257 char *desc = NULL; // String representation of calling_convention | |
| 1258 | |
| 1259 skipws(); // Skip leading whitespace | |
| 1260 if ( (desc = find_cpp_block("calling convention block")) == NULL ) { | |
| 1261 parse_err(SYNERR, "incorrect or missing block for 'calling_convention'.\n"); | |
| 1262 } | |
| 1263 return desc; | |
| 1264 } | |
| 1265 | |
| 1266 //------------------------------return_value_parse----------------------------- | |
| 1267 char *ADLParser::return_value_parse() { | |
| 1268 char *desc = NULL; // String representation of calling_convention | |
| 1269 | |
| 1270 skipws(); // Skip leading whitespace | |
| 1271 if ( (desc = find_cpp_block("return value block")) == NULL ) { | |
| 1272 parse_err(SYNERR, "incorrect or missing block for 'return_value'.\n"); | |
| 1273 } | |
| 1274 return desc; | |
| 1275 } | |
| 1276 | |
| 1277 //------------------------------ins_pipe_parse--------------------------------- | |
| 1278 void ADLParser::ins_pipe_parse(InstructForm &instr) { | |
| 1279 char * ident; | |
| 1280 | |
| 1281 skipws(); | |
| 1282 if ( _curchar != '(' ) { // Check for delimiter | |
| 1283 parse_err(SYNERR, "missing \"(\" in ins_pipe definition\n"); | |
| 1284 return; | |
| 1285 } | |
| 1286 | |
| 1287 next_char(); | |
| 1288 ident = get_ident(); // Grab next identifier | |
| 1289 | |
| 1290 if (ident == NULL) { | |
| 1291 parse_err(SYNERR, "keyword identifier expected at %c\n", _curchar); | |
| 1292 return; | |
| 1293 } | |
| 1294 | |
| 1295 skipws(); | |
| 1296 if ( _curchar != ')' ) { // Check for delimiter | |
| 1297 parse_err(SYNERR, "missing \")\" in ins_pipe definition\n"); | |
| 1298 return; | |
| 1299 } | |
| 1300 | |
| 1301 next_char(); // skip the close paren | |
| 1302 if(_curchar != ';') { // check for semi-colon | |
| 1303 parse_err(SYNERR, "missing %c in return value entry.\n", ';'); | |
| 1304 return; | |
| 1305 } | |
| 1306 next_char(); // skip the semi-colon | |
| 1307 | |
| 1308 // Check ident for validity | |
| 1309 if (_AD._pipeline && !_AD._pipeline->_classlist.search(ident)) { | |
| 1310 parse_err(SYNERR, "\"%s\" is not a valid pipeline class\n", ident); | |
| 1311 return; | |
| 1312 } | |
| 1313 | |
| 1314 // Add this instruction to the list in the pipeline class | |
| 1315 _AD._pipeline->_classdict[ident]->is_pipeclass()->_instructs.addName(instr._ident); | |
| 1316 | |
| 1317 // Set the name of the pipeline class in the instruction | |
| 1318 instr._ins_pipe = ident; | |
| 1319 return; | |
| 1320 } | |
| 1321 | |
| 1322 //------------------------------pipe_parse------------------------------------- | |
| 1323 void ADLParser::pipe_parse(void) { | |
| 1324 PipelineForm *pipeline; // Encode class for instruction/operand | |
| 1325 char * ident; | |
| 1326 | |
| 1327 pipeline = new PipelineForm(); // Build new Source object | |
| 1328 _AD.addForm(pipeline); | |
| 1329 | |
| 1330 skipws(); // Skip leading whitespace | |
| 1331 // Check for block delimiter | |
| 1332 if ( (_curchar != '%') | |
| 1333 || ( next_char(), (_curchar != '{')) ) { | |
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1334 parse_err(SYNERR, "missing '%%{' in pipeline definition\n"); |
| 0 | 1335 return; |
| 1336 } | |
| 1337 next_char(); // Maintain the invariant | |
| 1338 do { | |
| 1339 ident = get_ident(); // Grab next identifier | |
| 1340 if (ident == NULL) { | |
| 1341 parse_err(SYNERR, "keyword identifier expected at %c\n", _curchar); | |
| 1342 continue; | |
| 1343 } | |
| 1344 if (!strcmp(ident, "resources" )) resource_parse(*pipeline); | |
| 1345 else if (!strcmp(ident, "pipe_desc" )) pipe_desc_parse(*pipeline); | |
| 1346 else if (!strcmp(ident, "pipe_class")) pipe_class_parse(*pipeline); | |
| 1347 else if (!strcmp(ident, "define")) { | |
| 1348 skipws(); | |
| 1349 if ( (_curchar != '%') | |
| 1350 || ( next_char(), (_curchar != '{')) ) { | |
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1351 parse_err(SYNERR, "expected '%%{'\n"); |
| 0 | 1352 return; |
| 1353 } | |
| 1354 next_char(); skipws(); | |
| 1355 | |
| 1356 char *node_class = get_ident(); | |
| 1357 if (node_class == NULL) { | |
| 1358 parse_err(SYNERR, "expected identifier, found \"%c\"\n", _curchar); | |
| 1359 return; | |
| 1360 } | |
| 1361 | |
| 1362 skipws(); | |
| 1363 if (_curchar != ',' && _curchar != '=') { | |
| 1364 parse_err(SYNERR, "expected `=`, found '%c'\n", _curchar); | |
| 1365 break; | |
| 1366 } | |
| 1367 next_char(); skipws(); | |
| 1368 | |
| 1369 char *pipe_class = get_ident(); | |
| 1370 if (pipe_class == NULL) { | |
| 1371 parse_err(SYNERR, "expected identifier, found \"%c\"\n", _curchar); | |
| 1372 return; | |
| 1373 } | |
| 1374 if (_curchar != ';' ) { | |
| 1375 parse_err(SYNERR, "expected `;`, found '%c'\n", _curchar); | |
| 1376 break; | |
| 1377 } | |
| 1378 next_char(); // Skip over semi-colon | |
| 1379 | |
| 1380 skipws(); | |
| 1381 if ( (_curchar != '%') | |
| 1382 || ( next_char(), (_curchar != '}')) ) { | |
| 1383 parse_err(SYNERR, "expected '%%}', found \"%c\"\n", _curchar); | |
| 1384 } | |
| 1385 next_char(); | |
| 1386 | |
| 1387 // Check ident for validity | |
| 1388 if (_AD._pipeline && !_AD._pipeline->_classlist.search(pipe_class)) { | |
| 1389 parse_err(SYNERR, "\"%s\" is not a valid pipeline class\n", pipe_class); | |
| 1390 return; | |
| 1391 } | |
| 1392 | |
| 1393 // Add this machine node to the list in the pipeline class | |
| 1394 _AD._pipeline->_classdict[pipe_class]->is_pipeclass()->_instructs.addName(node_class); | |
| 1395 | |
| 1396 MachNodeForm *machnode = new MachNodeForm(node_class); // Create new machnode form | |
| 1397 machnode->_machnode_pipe = pipe_class; | |
| 1398 | |
| 1399 _AD.addForm(machnode); | |
| 1400 } | |
| 1401 else if (!strcmp(ident, "attributes")) { | |
| 6850 | 1402 bool vsi_seen = false; |
| 0 | 1403 |
| 1404 skipws(); | |
| 1405 if ( (_curchar != '%') | |
| 1406 || ( next_char(), (_curchar != '{')) ) { | |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
1407 parse_err(SYNERR, "expected '%%{'\n"); |
| 0 | 1408 return; |
| 1409 } | |
| 1410 next_char(); skipws(); | |
| 1411 | |
| 1412 while (_curchar != '%') { | |
| 1413 ident = get_ident(); | |
| 1414 if (ident == NULL) | |
| 1415 break; | |
| 1416 | |
| 1417 if (!strcmp(ident, "variable_size_instructions")) { | |
| 1418 skipws(); | |
| 1419 if (_curchar == ';') { | |
| 1420 next_char(); skipws(); | |
| 1421 } | |
| 1422 | |
| 1423 pipeline->_variableSizeInstrs = true; | |
| 1424 vsi_seen = true; | |
| 1425 continue; | |
| 1426 } | |
| 1427 | |
| 1428 if (!strcmp(ident, "fixed_size_instructions")) { | |
| 1429 skipws(); | |
| 1430 if (_curchar == ';') { | |
| 1431 next_char(); skipws(); | |
| 1432 } | |
| 1433 | |
| 1434 pipeline->_variableSizeInstrs = false; | |
| 1435 vsi_seen = true; | |
| 1436 continue; | |
| 1437 } | |
| 1438 | |
| 1439 if (!strcmp(ident, "branch_has_delay_slot")) { | |
| 1440 skipws(); | |
| 1441 if (_curchar == ';') { | |
| 1442 next_char(); skipws(); | |
| 1443 } | |
| 1444 | |
| 1445 pipeline->_branchHasDelaySlot = true; | |
| 1446 continue; | |
| 1447 } | |
| 1448 | |
| 1449 if (!strcmp(ident, "max_instructions_per_bundle")) { | |
| 1450 skipws(); | |
| 1451 if (_curchar != '=') { | |
| 1452 parse_err(SYNERR, "expected `=`\n"); | |
| 1453 break; | |
| 1454 } | |
| 1455 | |
| 1456 next_char(); skipws(); | |
| 1457 pipeline->_maxInstrsPerBundle = get_int(); | |
| 1458 skipws(); | |
| 1459 | |
| 1460 if (_curchar == ';') { | |
| 1461 next_char(); skipws(); | |
| 1462 } | |
| 1463 | |
| 1464 continue; | |
| 1465 } | |
| 1466 | |
| 1467 if (!strcmp(ident, "max_bundles_per_cycle")) { | |
| 1468 skipws(); | |
| 1469 if (_curchar != '=') { | |
| 1470 parse_err(SYNERR, "expected `=`\n"); | |
| 1471 break; | |
| 1472 } | |
| 1473 | |
| 1474 next_char(); skipws(); | |
| 1475 pipeline->_maxBundlesPerCycle = get_int(); | |
| 1476 skipws(); | |
| 1477 | |
| 1478 if (_curchar == ';') { | |
| 1479 next_char(); skipws(); | |
| 1480 } | |
| 1481 | |
| 1482 continue; | |
| 1483 } | |
| 1484 | |
| 1485 if (!strcmp(ident, "instruction_unit_size")) { | |
| 1486 skipws(); | |
| 1487 if (_curchar != '=') { | |
| 1488 parse_err(SYNERR, "expected `=`, found '%c'\n", _curchar); | |
| 1489 break; | |
| 1490 } | |
| 1491 | |
| 1492 next_char(); skipws(); | |
| 1493 pipeline->_instrUnitSize = get_int(); | |
| 1494 skipws(); | |
| 1495 | |
| 1496 if (_curchar == ';') { | |
| 1497 next_char(); skipws(); | |
| 1498 } | |
| 1499 | |
| 1500 continue; | |
| 1501 } | |
| 1502 | |
| 1503 if (!strcmp(ident, "bundle_unit_size")) { | |
| 1504 skipws(); | |
| 1505 if (_curchar != '=') { | |
| 1506 parse_err(SYNERR, "expected `=`, found '%c'\n", _curchar); | |
| 1507 break; | |
| 1508 } | |
| 1509 | |
| 1510 next_char(); skipws(); | |
| 1511 pipeline->_bundleUnitSize = get_int(); | |
| 1512 skipws(); | |
| 1513 | |
| 1514 if (_curchar == ';') { | |
| 1515 next_char(); skipws(); | |
| 1516 } | |
| 1517 | |
| 1518 continue; | |
| 1519 } | |
| 1520 | |
| 1521 if (!strcmp(ident, "instruction_fetch_unit_size")) { | |
| 1522 skipws(); | |
| 1523 if (_curchar != '=') { | |
| 1524 parse_err(SYNERR, "expected `=`, found '%c'\n", _curchar); | |
| 1525 break; | |
| 1526 } | |
| 1527 | |
| 1528 next_char(); skipws(); | |
| 1529 pipeline->_instrFetchUnitSize = get_int(); | |
| 1530 skipws(); | |
| 1531 | |
| 1532 if (_curchar == ';') { | |
| 1533 next_char(); skipws(); | |
| 1534 } | |
| 1535 | |
| 1536 continue; | |
| 1537 } | |
| 1538 | |
| 1539 if (!strcmp(ident, "instruction_fetch_units")) { | |
| 1540 skipws(); | |
| 1541 if (_curchar != '=') { | |
| 1542 parse_err(SYNERR, "expected `=`, found '%c'\n", _curchar); | |
| 1543 break; | |
| 1544 } | |
| 1545 | |
| 1546 next_char(); skipws(); | |
| 1547 pipeline->_instrFetchUnits = get_int(); | |
| 1548 skipws(); | |
| 1549 | |
| 1550 if (_curchar == ';') { | |
| 1551 next_char(); skipws(); | |
| 1552 } | |
| 1553 | |
| 1554 continue; | |
| 1555 } | |
| 1556 | |
| 1557 if (!strcmp(ident, "nops")) { | |
| 1558 skipws(); | |
| 1559 if (_curchar != '(') { | |
| 1560 parse_err(SYNERR, "expected `(`, found '%c'\n", _curchar); | |
| 1561 break; | |
| 1562 } | |
| 1563 | |
| 1564 next_char(); skipws(); | |
| 1565 | |
| 1566 while (_curchar != ')') { | |
| 1567 ident = get_ident(); | |
| 1568 if (ident == NULL) { | |
| 1569 parse_err(SYNERR, "expected identifier for nop instruction, found '%c'\n", _curchar); | |
| 1570 break; | |
| 1571 } | |
| 1572 | |
| 1573 pipeline->_noplist.addName(ident); | |
| 1574 pipeline->_nopcnt++; | |
| 1575 skipws(); | |
| 1576 | |
| 1577 if (_curchar == ',') { | |
| 1578 next_char(); skipws(); | |
| 1579 } | |
| 1580 } | |
| 1581 | |
| 1582 next_char(); skipws(); | |
| 1583 | |
| 1584 if (_curchar == ';') { | |
| 1585 next_char(); skipws(); | |
| 1586 } | |
| 1587 | |
| 1588 continue; | |
| 1589 } | |
| 1590 | |
| 1591 parse_err(SYNERR, "unknown specifier \"%s\"\n", ident); | |
| 1592 } | |
| 1593 | |
| 1594 if ( (_curchar != '%') | |
| 1595 || ( next_char(), (_curchar != '}')) ) { | |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
1596 parse_err(SYNERR, "expected '%%}', found \"%c\"\n", _curchar); |
| 0 | 1597 } |
| 1598 next_char(); skipws(); | |
| 1599 | |
| 1600 if (pipeline->_maxInstrsPerBundle == 0) | |
| 1601 parse_err(SYNERR, "\"max_instructions_per_bundle\" unspecified\n"); | |
| 1602 if (pipeline->_instrUnitSize == 0 && pipeline->_bundleUnitSize == 0) | |
| 1603 parse_err(SYNERR, "\"instruction_unit_size\" and \"bundle_unit_size\" unspecified\n"); | |
| 1604 if (pipeline->_instrFetchUnitSize == 0) | |
| 1605 parse_err(SYNERR, "\"instruction_fetch_unit_size\" unspecified\n"); | |
| 1606 if (pipeline->_instrFetchUnits == 0) | |
| 1607 parse_err(SYNERR, "\"instruction_fetch_units\" unspecified\n"); | |
| 1608 if (!vsi_seen) | |
| 1609 parse_err(SYNERR, "\"variable_size_instruction\" or \"fixed_size_instruction\" unspecified\n"); | |
| 1610 } | |
| 1611 else { // Done with staticly defined parts of instruction definition | |
| 1612 parse_err(SYNERR, "expected one of \"resources\", \"pipe_desc\", \"pipe_class\", found \"%s\"\n", ident); | |
| 1613 return; | |
| 1614 } | |
| 1615 skipws(); | |
| 1616 if (_curchar == ';') | |
| 1617 skipws(); | |
| 1618 } while(_curchar != '%'); | |
| 1619 | |
| 1620 next_char(); | |
| 1621 if (_curchar != '}') { | |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
1622 parse_err(SYNERR, "missing \"%%}\" in pipeline definition\n"); |
| 0 | 1623 return; |
| 1624 } | |
| 1625 | |
| 1626 next_char(); | |
| 1627 } | |
| 1628 | |
| 1629 //------------------------------resource_parse---------------------------- | |
| 1630 void ADLParser::resource_parse(PipelineForm &pipeline) { | |
| 1631 ResourceForm *resource; | |
| 1632 char * ident; | |
| 1633 char * expr; | |
| 1634 unsigned mask; | |
| 1635 pipeline._rescount = 0; | |
| 1636 | |
| 1637 skipws(); // Skip leading whitespace | |
| 1638 | |
| 1639 if (_curchar != '(') { | |
| 1640 parse_err(SYNERR, "missing \"(\" in resource definition\n"); | |
| 1641 return; | |
| 1642 } | |
| 1643 | |
| 1644 do { | |
| 1645 next_char(); // Skip "(" or "," | |
| 1646 ident = get_ident(); // Grab next identifier | |
| 1647 | |
| 6850 | 1648 if (_AD._adl_debug > 1) { |
| 1649 if (ident != NULL) { | |
| 1650 fprintf(stderr, "resource_parse: identifier: %s\n", ident); | |
| 1651 } | |
| 1652 } | |
| 1653 | |
| 0 | 1654 if (ident == NULL) { |
| 1655 parse_err(SYNERR, "keyword identifier expected at \"%c\"\n", _curchar); | |
| 1656 return; | |
| 1657 } | |
| 1658 skipws(); | |
| 1659 | |
| 1660 if (_curchar != '=') { | |
| 1661 mask = (1 << pipeline._rescount++); | |
| 1662 } | |
| 1663 else { | |
| 1664 next_char(); skipws(); | |
| 1665 expr = get_ident(); // Grab next identifier | |
| 1666 if (expr == NULL) { | |
| 1667 parse_err(SYNERR, "keyword identifier expected at \"%c\"\n", _curchar); | |
| 1668 return; | |
| 1669 } | |
| 1670 resource = (ResourceForm *) pipeline._resdict[expr]; | |
| 1671 if (resource == NULL) { | |
| 1672 parse_err(SYNERR, "resource \"%s\" is not defined\n", expr); | |
| 1673 return; | |
| 1674 } | |
| 1675 mask = resource->mask(); | |
| 1676 | |
| 1677 skipws(); | |
| 1678 while (_curchar == '|') { | |
| 1679 next_char(); skipws(); | |
| 1680 | |
| 1681 expr = get_ident(); // Grab next identifier | |
| 1682 if (expr == NULL) { | |
| 1683 parse_err(SYNERR, "keyword identifier expected at \"%c\"\n", _curchar); | |
| 1684 return; | |
| 1685 } | |
| 1686 | |
| 1687 resource = (ResourceForm *) pipeline._resdict[expr]; // Look up the value | |
| 1688 if (resource == NULL) { | |
| 1689 parse_err(SYNERR, "resource \"%s\" is not defined\n", expr); | |
| 1690 return; | |
| 1691 } | |
| 1692 | |
| 1693 mask |= resource->mask(); | |
| 1694 skipws(); | |
| 1695 } | |
| 1696 } | |
| 1697 | |
| 1698 resource = new ResourceForm(mask); | |
| 1699 | |
| 1700 pipeline._resdict.Insert(ident, resource); | |
| 1701 pipeline._reslist.addName(ident); | |
| 1702 } while (_curchar == ','); | |
| 1703 | |
| 1704 if (_curchar != ')') { | |
| 1705 parse_err(SYNERR, "\")\" expected at \"%c\"\n", _curchar); | |
| 1706 return; | |
| 1707 } | |
| 1708 | |
| 1709 next_char(); // Skip ")" | |
| 1710 if (_curchar == ';') | |
| 1711 next_char(); // Skip ";" | |
| 1712 } | |
| 1713 | |
| 1714 //------------------------------resource_parse---------------------------- | |
| 1715 void ADLParser::pipe_desc_parse(PipelineForm &pipeline) { | |
| 1716 char * ident; | |
| 1717 | |
| 1718 skipws(); // Skip leading whitespace | |
| 1719 | |
| 1720 if (_curchar != '(') { | |
| 1721 parse_err(SYNERR, "missing \"(\" in pipe_desc definition\n"); | |
| 1722 return; | |
| 1723 } | |
| 1724 | |
| 1725 do { | |
| 1726 next_char(); // Skip "(" or "," | |
| 1727 ident = get_ident(); // Grab next identifier | |
| 1728 if (ident == NULL) { | |
| 1729 parse_err(SYNERR, "keyword identifier expected at \"%c\"\n", _curchar); | |
| 1730 return; | |
| 1731 } | |
| 1732 | |
| 1733 // Add the name to the list | |
| 1734 pipeline._stages.addName(ident); | |
| 1735 pipeline._stagecnt++; | |
| 1736 | |
| 1737 skipws(); | |
| 1738 } while (_curchar == ','); | |
| 1739 | |
| 1740 if (_curchar != ')') { | |
| 1741 parse_err(SYNERR, "\")\" expected at \"%c\"\n", _curchar); | |
| 1742 return; | |
| 1743 } | |
| 1744 | |
| 1745 next_char(); // Skip ")" | |
| 1746 if (_curchar == ';') | |
| 1747 next_char(); // Skip ";" | |
| 1748 } | |
| 1749 | |
| 1750 //------------------------------pipe_class_parse-------------------------- | |
| 1751 void ADLParser::pipe_class_parse(PipelineForm &pipeline) { | |
| 1752 PipeClassForm *pipe_class; | |
| 1753 char * ident; | |
| 1754 char * stage; | |
| 1755 char * read_or_write; | |
| 1756 int is_write; | |
| 1757 int is_read; | |
| 1758 OperandForm *oper; | |
| 1759 | |
| 1760 skipws(); // Skip leading whitespace | |
| 1761 | |
| 1762 ident = get_ident(); // Grab next identifier | |
| 1763 | |
| 1764 if (ident == NULL) { | |
| 1765 parse_err(SYNERR, "keyword identifier expected at \"%c\"\n", _curchar); | |
| 1766 return; | |
| 1767 } | |
| 1768 | |
| 1769 // Create a record for the pipe_class | |
| 1770 pipe_class = new PipeClassForm(ident, ++pipeline._classcnt); | |
| 1771 pipeline._classdict.Insert(ident, pipe_class); | |
| 1772 pipeline._classlist.addName(ident); | |
| 1773 | |
| 1774 // Then get the operands | |
| 1775 skipws(); | |
| 1776 if (_curchar != '(') { | |
| 1777 parse_err(SYNERR, "missing \"(\" in pipe_class definition\n"); | |
| 1778 } | |
| 1779 // Parse the operand list | |
| 1780 else get_oplist(pipe_class->_parameters, pipe_class->_localNames); | |
| 1781 skipws(); // Skip leading whitespace | |
| 1782 // Check for block delimiter | |
| 1783 if ( (_curchar != '%') | |
| 1784 || ( next_char(), (_curchar != '{')) ) { | |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
1785 parse_err(SYNERR, "missing \"%%{\" in pipe_class definition\n"); |
| 0 | 1786 return; |
| 1787 } | |
| 1788 next_char(); | |
| 1789 | |
| 1790 do { | |
| 1791 ident = get_ident(); // Grab next identifier | |
| 1792 if (ident == NULL) { | |
| 1793 parse_err(SYNERR, "keyword identifier expected at \"%c\"\n", _curchar); | |
| 1794 continue; | |
| 1795 } | |
| 1796 skipws(); | |
| 1797 | |
| 1798 if (!strcmp(ident, "fixed_latency")) { | |
| 1799 skipws(); | |
| 1800 if (_curchar != '(') { | |
| 1801 parse_err(SYNERR, "missing \"(\" in latency definition\n"); | |
| 1802 return; | |
| 1803 } | |
| 1804 next_char(); skipws(); | |
| 1805 if( !isdigit(_curchar) ) { | |
| 1806 parse_err(SYNERR, "number expected for \"%c\" in latency definition\n", _curchar); | |
| 1807 return; | |
| 1808 } | |
| 1809 int fixed_latency = get_int(); | |
| 1810 skipws(); | |
| 1811 if (_curchar != ')') { | |
| 1812 parse_err(SYNERR, "missing \")\" in latency definition\n"); | |
| 1813 return; | |
| 1814 } | |
| 1815 next_char(); skipws(); | |
| 1816 if (_curchar != ';') { | |
| 1817 parse_err(SYNERR, "missing \";\" in latency definition\n"); | |
| 1818 return; | |
| 1819 } | |
| 1820 | |
| 1821 pipe_class->setFixedLatency(fixed_latency); | |
| 1822 next_char(); skipws(); | |
| 1823 continue; | |
| 1824 } | |
| 1825 | |
| 1826 if (!strcmp(ident, "zero_instructions") || | |
| 1827 !strcmp(ident, "no_instructions")) { | |
| 1828 skipws(); | |
| 1829 if (_curchar != ';') { | |
| 1830 parse_err(SYNERR, "missing \";\" in latency definition\n"); | |
| 1831 return; | |
| 1832 } | |
| 1833 | |
| 1834 pipe_class->setInstructionCount(0); | |
| 1835 next_char(); skipws(); | |
| 1836 continue; | |
| 1837 } | |
| 1838 | |
| 1839 if (!strcmp(ident, "one_instruction_with_delay_slot") || | |
| 1840 !strcmp(ident, "single_instruction_with_delay_slot")) { | |
| 1841 skipws(); | |
| 1842 if (_curchar != ';') { | |
| 1843 parse_err(SYNERR, "missing \";\" in latency definition\n"); | |
| 1844 return; | |
| 1845 } | |
| 1846 | |
| 1847 pipe_class->setInstructionCount(1); | |
| 1848 pipe_class->setBranchDelay(true); | |
| 1849 next_char(); skipws(); | |
| 1850 continue; | |
| 1851 } | |
| 1852 | |
| 1853 if (!strcmp(ident, "one_instruction") || | |
| 1854 !strcmp(ident, "single_instruction")) { | |
| 1855 skipws(); | |
| 1856 if (_curchar != ';') { | |
| 1857 parse_err(SYNERR, "missing \";\" in latency definition\n"); | |
| 1858 return; | |
| 1859 } | |
| 1860 | |
| 1861 pipe_class->setInstructionCount(1); | |
| 1862 next_char(); skipws(); | |
| 1863 continue; | |
| 1864 } | |
| 1865 | |
| 1866 if (!strcmp(ident, "instructions_in_first_bundle") || | |
| 1867 !strcmp(ident, "instruction_count")) { | |
| 1868 skipws(); | |
| 1869 | |
| 1870 int number_of_instructions = 1; | |
| 1871 | |
| 1872 if (_curchar != '(') { | |
| 1873 parse_err(SYNERR, "\"(\" expected at \"%c\"\n", _curchar); | |
| 1874 continue; | |
| 1875 } | |
| 1876 | |
| 1877 next_char(); skipws(); | |
| 1878 number_of_instructions = get_int(); | |
| 1879 | |
| 1880 skipws(); | |
| 1881 if (_curchar != ')') { | |
| 1882 parse_err(SYNERR, "\")\" expected at \"%c\"\n", _curchar); | |
| 1883 continue; | |
| 1884 } | |
| 1885 | |
| 1886 next_char(); skipws(); | |
| 1887 if (_curchar != ';') { | |
| 1888 parse_err(SYNERR, "missing \";\" in latency definition\n"); | |
| 1889 return; | |
| 1890 } | |
| 1891 | |
| 1892 pipe_class->setInstructionCount(number_of_instructions); | |
| 1893 next_char(); skipws(); | |
| 1894 continue; | |
| 1895 } | |
| 1896 | |
| 1897 if (!strcmp(ident, "multiple_bundles")) { | |
| 1898 skipws(); | |
| 1899 if (_curchar != ';') { | |
| 1900 parse_err(SYNERR, "missing \";\" after multiple bundles\n"); | |
| 1901 return; | |
| 1902 } | |
| 1903 | |
| 1904 pipe_class->setMultipleBundles(true); | |
| 1905 next_char(); skipws(); | |
| 1906 continue; | |
| 1907 } | |
| 1908 | |
| 1909 if (!strcmp(ident, "has_delay_slot")) { | |
| 1910 skipws(); | |
| 1911 if (_curchar != ';') { | |
| 1912 parse_err(SYNERR, "missing \";\" after \"has_delay_slot\"\n"); | |
| 1913 return; | |
| 1914 } | |
| 1915 | |
| 1916 pipe_class->setBranchDelay(true); | |
| 1917 next_char(); skipws(); | |
| 1918 continue; | |
| 1919 } | |
| 1920 | |
| 1921 if (!strcmp(ident, "force_serialization")) { | |
| 1922 skipws(); | |
| 1923 if (_curchar != ';') { | |
| 1924 parse_err(SYNERR, "missing \";\" after \"force_serialization\"\n"); | |
| 1925 return; | |
| 1926 } | |
| 1927 | |
| 1928 pipe_class->setForceSerialization(true); | |
| 1929 next_char(); skipws(); | |
| 1930 continue; | |
| 1931 } | |
| 1932 | |
| 1933 if (!strcmp(ident, "may_have_no_code")) { | |
| 1934 skipws(); | |
| 1935 if (_curchar != ';') { | |
| 1936 parse_err(SYNERR, "missing \";\" after \"may_have_no_code\"\n"); | |
| 1937 return; | |
| 1938 } | |
| 1939 | |
| 1940 pipe_class->setMayHaveNoCode(true); | |
| 1941 next_char(); skipws(); | |
| 1942 continue; | |
| 1943 } | |
| 1944 | |
| 1945 const Form *parm = pipe_class->_localNames[ident]; | |
| 1946 if (parm != NULL) { | |
| 1947 oper = parm->is_operand(); | |
| 1948 if (oper == NULL && !parm->is_opclass()) { | |
| 1949 parse_err(SYNERR, "operand name expected at %s\n", ident); | |
| 1950 continue; | |
| 1951 } | |
| 1952 | |
| 1953 if (_curchar != ':') { | |
| 1954 parse_err(SYNERR, "\":\" expected at \"%c\"\n", _curchar); | |
| 1955 continue; | |
| 1956 } | |
| 1957 next_char(); skipws(); | |
| 1958 stage = get_ident(); | |
| 1959 if (stage == NULL) { | |
| 1960 parse_err(SYNERR, "pipeline stage identifier expected at \"%c\"\n", _curchar); | |
| 1961 continue; | |
| 1962 } | |
| 1963 | |
| 1964 skipws(); | |
| 1965 if (_curchar != '(') { | |
| 1966 parse_err(SYNERR, "\"(\" expected at \"%c\"\n", _curchar); | |
| 1967 continue; | |
| 1968 } | |
| 1969 | |
| 1970 next_char(); | |
| 1971 read_or_write = get_ident(); | |
| 1972 if (read_or_write == NULL) { | |
| 1973 parse_err(SYNERR, "\"read\" or \"write\" expected at \"%c\"\n", _curchar); | |
| 1974 continue; | |
| 1975 } | |
| 1976 | |
| 1977 is_read = strcmp(read_or_write, "read") == 0; | |
| 1978 is_write = strcmp(read_or_write, "write") == 0; | |
| 1979 if (!is_read && !is_write) { | |
| 1980 parse_err(SYNERR, "\"read\" or \"write\" expected at \"%c\"\n", _curchar); | |
| 1981 continue; | |
| 1982 } | |
| 1983 | |
| 1984 skipws(); | |
| 1985 if (_curchar != ')') { | |
| 1986 parse_err(SYNERR, "\")\" expected at \"%c\"\n", _curchar); | |
| 1987 continue; | |
| 1988 } | |
| 1989 | |
| 1990 next_char(); skipws(); | |
| 1991 int more_instrs = 0; | |
| 1992 if (_curchar == '+') { | |
| 1993 next_char(); skipws(); | |
| 1994 if (_curchar < '0' || _curchar > '9') { | |
| 1995 parse_err(SYNERR, "<number> expected at \"%c\"\n", _curchar); | |
| 1996 continue; | |
| 1997 } | |
| 1998 while (_curchar >= '0' && _curchar <= '9') { | |
| 1999 more_instrs *= 10; | |
| 2000 more_instrs += _curchar - '0'; | |
| 2001 next_char(); | |
| 2002 } | |
| 2003 skipws(); | |
| 2004 } | |
| 2005 | |
| 2006 PipeClassOperandForm *pipe_operand = new PipeClassOperandForm(stage, is_write, more_instrs); | |
| 2007 pipe_class->_localUsage.Insert(ident, pipe_operand); | |
| 2008 | |
| 2009 if (_curchar == '%') | |
| 2010 continue; | |
| 2011 | |
| 2012 if (_curchar != ';') { | |
| 2013 parse_err(SYNERR, "\";\" expected at \"%c\"\n", _curchar); | |
| 2014 continue; | |
| 2015 } | |
| 2016 next_char(); skipws(); | |
| 2017 continue; | |
| 2018 } | |
| 2019 | |
| 2020 // Scan for Resource Specifier | |
| 2021 const Form *res = pipeline._resdict[ident]; | |
| 2022 if (res != NULL) { | |
| 2023 int cyclecnt = 1; | |
| 2024 if (_curchar != ':') { | |
| 2025 parse_err(SYNERR, "\":\" expected at \"%c\"\n", _curchar); | |
| 2026 continue; | |
| 2027 } | |
| 2028 next_char(); skipws(); | |
| 2029 stage = get_ident(); | |
| 2030 if (stage == NULL) { | |
| 2031 parse_err(SYNERR, "pipeline stage identifier expected at \"%c\"\n", _curchar); | |
| 2032 continue; | |
| 2033 } | |
| 2034 | |
| 2035 skipws(); | |
| 2036 if (_curchar == '(') { | |
| 2037 next_char(); | |
| 2038 cyclecnt = get_int(); | |
| 2039 | |
| 2040 skipws(); | |
| 2041 if (_curchar != ')') { | |
| 2042 parse_err(SYNERR, "\")\" expected at \"%c\"\n", _curchar); | |
| 2043 continue; | |
| 2044 } | |
| 2045 | |
| 2046 next_char(); skipws(); | |
| 2047 } | |
| 2048 | |
| 2049 PipeClassResourceForm *resource = new PipeClassResourceForm(ident, stage, cyclecnt); | |
| 2050 int stagenum = pipeline._stages.index(stage); | |
| 2051 if (pipeline._maxcycleused < (stagenum+cyclecnt)) | |
| 2052 pipeline._maxcycleused = (stagenum+cyclecnt); | |
| 2053 pipe_class->_resUsage.addForm(resource); | |
| 2054 | |
| 2055 if (_curchar == '%') | |
| 2056 continue; | |
| 2057 | |
| 2058 if (_curchar != ';') { | |
| 2059 parse_err(SYNERR, "\";\" expected at \"%c\"\n", _curchar); | |
| 2060 continue; | |
| 2061 } | |
| 2062 next_char(); skipws(); | |
| 2063 continue; | |
| 2064 } | |
| 2065 | |
| 2066 parse_err(SYNERR, "resource expected at \"%s\"\n", ident); | |
| 2067 return; | |
| 2068 } while(_curchar != '%'); | |
| 2069 | |
| 2070 next_char(); | |
| 2071 if (_curchar != '}') { | |
|
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parents:
6850
diff
changeset
|
2072 parse_err(SYNERR, "missing \"%%}\" in pipe_class definition\n"); |
| 0 | 2073 return; |
| 2074 } | |
| 2075 | |
| 2076 next_char(); | |
| 2077 } | |
| 2078 | |
| 2079 //------------------------------peep_parse------------------------------------- | |
| 2080 void ADLParser::peep_parse(void) { | |
| 2081 Peephole *peep; // Pointer to current peephole rule form | |
| 2082 char *desc = NULL; // String representation of rule | |
| 2083 | |
| 2084 skipws(); // Skip leading whitespace | |
| 2085 | |
| 2086 peep = new Peephole(); // Build new Peephole object | |
| 2087 // Check for open block sequence | |
| 2088 skipws(); // Skip leading whitespace | |
| 2089 if (_curchar == '%' && *(_ptr+1) == '{') { | |
| 2090 next_char(); next_char(); // Skip "%{" | |
| 2091 skipws(); | |
| 2092 while (_curchar != '%' && *(_ptr+1) != '}') { | |
| 2093 char *token = get_ident(); | |
| 2094 if (token == NULL) { | |
| 2095 parse_err(SYNERR, "missing identifier inside peephole rule.\n"); | |
| 2096 return; | |
| 2097 } | |
| 2098 // check for legal subsections of peephole rule | |
| 2099 if (strcmp(token,"peepmatch")==0) { | |
| 2100 peep_match_parse(*peep); } | |
| 2101 else if (strcmp(token,"peepconstraint")==0) { | |
| 2102 peep_constraint_parse(*peep); } | |
| 2103 else if (strcmp(token,"peepreplace")==0) { | |
| 2104 peep_replace_parse(*peep); } | |
| 2105 else { | |
| 2106 parse_err(SYNERR, "expected peepmatch, peepconstraint, or peepreplace for identifier %s.\n", token); | |
| 2107 } | |
| 2108 skipws(); | |
| 2109 } | |
| 2110 } | |
| 2111 else { | |
| 2112 parse_err(SYNERR, "Missing %%{ ... %%} block after peephole keyword.\n"); | |
| 2113 return; | |
| 2114 } | |
| 2115 next_char(); // Skip past '%' | |
| 2116 next_char(); // Skip past '}' | |
| 2117 } | |
| 2118 | |
| 2119 // ******************** Private Level 2 Parse Functions ******************** | |
| 2120 //------------------------------constraint_parse------------------------------ | |
| 2121 Constraint *ADLParser::constraint_parse(void) { | |
| 2122 char *func; | |
| 2123 char *arg; | |
| 2124 | |
| 2125 // Check for constraint expression | |
| 2126 skipws(); | |
| 2127 if (_curchar != '(') { | |
| 2128 parse_err(SYNERR, "missing constraint expression, (...)\n"); | |
| 2129 return NULL; | |
| 2130 } | |
| 2131 next_char(); // Skip past '(' | |
| 2132 | |
| 2133 // Get constraint function | |
| 2134 skipws(); | |
| 2135 func = get_ident(); | |
| 2136 if (func == NULL) { | |
| 2137 parse_err(SYNERR, "missing function in constraint expression.\n"); | |
| 2138 return NULL; | |
| 2139 } | |
| 2140 if (strcmp(func,"ALLOC_IN_RC")==0 | |
| 2141 || strcmp(func,"IS_R_CLASS")==0) { | |
| 2142 // Check for '(' before argument | |
| 2143 skipws(); | |
| 2144 if (_curchar != '(') { | |
| 2145 parse_err(SYNERR, "missing '(' for constraint function's argument.\n"); | |
| 2146 return NULL; | |
| 2147 } | |
| 2148 next_char(); | |
| 2149 | |
| 2150 // Get it's argument | |
| 2151 skipws(); | |
| 2152 arg = get_ident(); | |
| 2153 if (arg == NULL) { | |
| 2154 parse_err(SYNERR, "missing argument for constraint function %s\n",func); | |
| 2155 return NULL; | |
| 2156 } | |
| 2157 // Check for ')' after argument | |
| 2158 skipws(); | |
| 2159 if (_curchar != ')') { | |
| 2160 parse_err(SYNERR, "missing ')' after constraint function argument %s\n",arg); | |
| 2161 return NULL; | |
| 2162 } | |
| 2163 next_char(); | |
| 2164 } else { | |
| 2165 parse_err(SYNERR, "Invalid constraint function %s\n",func); | |
| 2166 return NULL; | |
| 2167 } | |
| 2168 | |
| 2169 // Check for closing paren and ';' | |
| 2170 skipws(); | |
| 2171 if (_curchar != ')') { | |
| 2172 parse_err(SYNERR, "Missing ')' for constraint function %s\n",func); | |
| 2173 return NULL; | |
| 2174 } | |
| 2175 next_char(); | |
| 2176 skipws(); | |
| 2177 if (_curchar != ';') { | |
| 2178 parse_err(SYNERR, "Missing ';' after constraint.\n"); | |
| 2179 return NULL; | |
| 2180 } | |
| 2181 next_char(); | |
| 2182 | |
| 2183 // Create new "Constraint" | |
| 2184 Constraint *constraint = new Constraint(func,arg); | |
| 2185 return constraint; | |
| 2186 } | |
| 2187 | |
| 2188 //------------------------------constr_parse----------------------------------- | |
| 2189 ConstructRule *ADLParser::construct_parse(void) { | |
| 2190 return NULL; | |
| 2191 } | |
| 2192 | |
| 2193 | |
| 2194 //------------------------------reg_def_parse---------------------------------- | |
| 2195 void ADLParser::reg_def_parse(void) { | |
| 2196 char *rname; // Name of register being defined | |
| 2197 | |
| 2198 // Get register name | |
| 2199 skipws(); // Skip whitespace | |
| 2200 rname = get_ident(); | |
| 2201 if (rname == NULL) { | |
| 2202 parse_err(SYNERR, "missing register name after reg_def\n"); | |
| 2203 return; | |
| 2204 } | |
| 2205 | |
| 2206 // Check for definition of register calling convention (save on call, ...), | |
| 2207 // register save type, and register encoding value. | |
| 2208 skipws(); | |
| 2209 char *callconv = NULL; | |
| 2210 char *c_conv = NULL; | |
| 2211 char *idealtype = NULL; | |
| 2212 char *encoding = NULL; | |
| 2213 char *concrete = NULL; | |
| 2214 if (_curchar == '(') { | |
| 2215 next_char(); | |
| 2216 callconv = get_ident(); | |
| 2217 // Parse the internal calling convention, must be NS, SOC, SOE, or AS. | |
| 2218 if (callconv == NULL) { | |
| 2219 parse_err(SYNERR, "missing register calling convention value\n"); | |
| 2220 return; | |
| 2221 } | |
| 2222 if(strcmp(callconv, "SOC") && strcmp(callconv,"SOE") && | |
| 2223 strcmp(callconv, "NS") && strcmp(callconv, "AS")) { | |
| 2224 parse_err(SYNERR, "invalid value for register calling convention\n"); | |
| 2225 } | |
| 2226 skipws(); | |
| 2227 if (_curchar != ',') { | |
| 2228 parse_err(SYNERR, "missing comma in register definition statement\n"); | |
| 2229 return; | |
| 2230 } | |
| 2231 next_char(); | |
| 2232 | |
| 2233 // Parse the native calling convention, must be NS, SOC, SOE, AS | |
| 2234 c_conv = get_ident(); | |
| 2235 if (c_conv == NULL) { | |
| 2236 parse_err(SYNERR, "missing register native calling convention value\n"); | |
| 2237 return; | |
| 2238 } | |
| 2239 if(strcmp(c_conv, "SOC") && strcmp(c_conv,"SOE") && | |
| 2240 strcmp(c_conv, "NS") && strcmp(c_conv, "AS")) { | |
| 2241 parse_err(SYNERR, "invalid value for register calling convention\n"); | |
| 2242 } | |
| 2243 skipws(); | |
| 2244 if (_curchar != ',') { | |
| 2245 parse_err(SYNERR, "missing comma in register definition statement\n"); | |
| 2246 return; | |
| 2247 } | |
| 2248 next_char(); | |
| 2249 skipws(); | |
| 2250 | |
| 2251 // Parse the ideal save type | |
| 2252 idealtype = get_ident(); | |
| 2253 if (idealtype == NULL) { | |
| 2254 parse_err(SYNERR, "missing register save type value\n"); | |
| 2255 return; | |
| 2256 } | |
| 2257 skipws(); | |
| 2258 if (_curchar != ',') { | |
| 2259 parse_err(SYNERR, "missing comma in register definition statement\n"); | |
| 2260 return; | |
| 2261 } | |
| 2262 next_char(); | |
| 2263 skipws(); | |
| 2264 | |
| 2265 // Parse the encoding value | |
| 2266 encoding = get_expr("encoding", ","); | |
| 2267 if (encoding == NULL) { | |
| 2268 parse_err(SYNERR, "missing register encoding value\n"); | |
| 2269 return; | |
| 2270 } | |
| 2271 trim(encoding); | |
| 2272 if (_curchar != ',') { | |
| 2273 parse_err(SYNERR, "missing comma in register definition statement\n"); | |
| 2274 return; | |
| 2275 } | |
| 2276 next_char(); | |
| 2277 skipws(); | |
| 2278 // Parse the concrete name type | |
| 2279 // concrete = get_ident(); | |
| 2280 concrete = get_expr("concrete", ")"); | |
| 2281 if (concrete == NULL) { | |
| 2282 parse_err(SYNERR, "missing vm register name value\n"); | |
| 2283 return; | |
| 2284 } | |
| 2285 | |
| 2286 if (_curchar != ')') { | |
| 2287 parse_err(SYNERR, "missing ')' in register definition statement\n"); | |
| 2288 return; | |
| 2289 } | |
| 2290 next_char(); | |
| 2291 } | |
| 2292 | |
| 2293 // Check for closing ';' | |
| 2294 skipws(); | |
| 2295 if (_curchar != ';') { | |
| 2296 parse_err(SYNERR, "missing ';' after reg_def\n"); | |
| 2297 return; | |
| 2298 } | |
| 2299 next_char(); // move past ';' | |
| 2300 | |
| 2301 // Debug Stuff | |
| 2302 if (_AD._adl_debug > 1) { | |
| 2303 fprintf(stderr,"Register Definition: %s ( %s, %s %s )\n", rname, | |
| 2304 (callconv ? callconv : ""), (c_conv ? c_conv : ""), concrete); | |
| 2305 } | |
| 2306 | |
| 2307 // Record new register definition. | |
| 2308 _AD._register->addRegDef(rname, callconv, c_conv, idealtype, encoding, concrete); | |
| 2309 return; | |
| 2310 } | |
| 2311 | |
| 2312 //------------------------------reg_class_parse-------------------------------- | |
| 2313 void ADLParser::reg_class_parse(void) { | |
| 2314 char *cname; // Name of register class being defined | |
| 2315 | |
| 2316 // Get register class name | |
| 2317 skipws(); // Skip leading whitespace | |
| 2318 cname = get_ident(); | |
| 2319 if (cname == NULL) { | |
| 2320 parse_err(SYNERR, "missing register class name after 'reg_class'\n"); | |
| 2321 return; | |
| 2322 } | |
| 2323 // Debug Stuff | |
| 2324 if (_AD._adl_debug >1) fprintf(stderr,"Register Class: %s\n", cname); | |
| 2325 | |
| 2326 RegClass *reg_class = _AD._register->addRegClass(cname); | |
| 2327 | |
| 2328 // Collect registers in class | |
| 2329 skipws(); | |
| 2330 if (_curchar == '(') { | |
| 2331 next_char(); // Skip '(' | |
| 2332 skipws(); | |
| 2333 while (_curchar != ')') { | |
| 2334 char *rname = get_ident(); | |
| 2335 if (rname==NULL) { | |
| 2336 parse_err(SYNERR, "missing identifier inside reg_class list.\n"); | |
| 2337 return; | |
| 2338 } | |
| 2339 RegDef *regDef = _AD._register->getRegDef(rname); | |
|
475
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
2340 if (!regDef) { |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
2341 parse_err(SEMERR, "unknown identifier %s inside reg_class list.\n", rname); |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
2342 } else { |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
2343 reg_class->addReg(regDef); // add regDef to regClass |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
2344 } |
| 0 | 2345 |
| 2346 // Check for ',' and position to next token. | |
| 2347 skipws(); | |
| 2348 if (_curchar == ',') { | |
| 2349 next_char(); // Skip trailing ',' | |
| 2350 skipws(); | |
| 2351 } | |
| 2352 } | |
| 2353 next_char(); // Skip closing ')' | |
|
4121
db2e64ca2d5a
7090968: Allow adlc register class to depend on runtime conditions
roland
parents:
4120
diff
changeset
|
2354 } else if (_curchar == '%') { |
|
db2e64ca2d5a
7090968: Allow adlc register class to depend on runtime conditions
roland
parents:
4120
diff
changeset
|
2355 char *code = find_cpp_block("reg class"); |
|
db2e64ca2d5a
7090968: Allow adlc register class to depend on runtime conditions
roland
parents:
4120
diff
changeset
|
2356 if (code == NULL) { |
|
db2e64ca2d5a
7090968: Allow adlc register class to depend on runtime conditions
roland
parents:
4120
diff
changeset
|
2357 parse_err(SYNERR, "missing code declaration for reg class.\n"); |
|
db2e64ca2d5a
7090968: Allow adlc register class to depend on runtime conditions
roland
parents:
4120
diff
changeset
|
2358 return; |
|
db2e64ca2d5a
7090968: Allow adlc register class to depend on runtime conditions
roland
parents:
4120
diff
changeset
|
2359 } |
|
db2e64ca2d5a
7090968: Allow adlc register class to depend on runtime conditions
roland
parents:
4120
diff
changeset
|
2360 reg_class->_user_defined = code; |
|
db2e64ca2d5a
7090968: Allow adlc register class to depend on runtime conditions
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parents:
4120
diff
changeset
|
2361 return; |
| 0 | 2362 } |
| 2363 | |
| 2364 // Check for terminating ';' | |
| 2365 skipws(); | |
| 2366 if (_curchar != ';') { | |
| 2367 parse_err(SYNERR, "missing ';' at end of reg_class definition.\n"); | |
| 2368 return; | |
| 2369 } | |
| 2370 next_char(); // Skip trailing ';' | |
| 2371 | |
| 2372 // Check RegClass size, must be <= 32 registers in class. | |
| 2373 | |
| 2374 return; | |
| 2375 } | |
| 2376 | |
| 2377 //------------------------------alloc_class_parse------------------------------ | |
| 2378 void ADLParser::alloc_class_parse(void) { | |
| 2379 char *name; // Name of allocation class being defined | |
| 2380 | |
| 2381 // Get allocation class name | |
| 2382 skipws(); // Skip leading whitespace | |
| 2383 name = get_ident(); | |
| 2384 if (name == NULL) { | |
| 2385 parse_err(SYNERR, "missing allocation class name after 'reg_class'\n"); | |
| 2386 return; | |
| 2387 } | |
| 2388 // Debug Stuff | |
| 2389 if (_AD._adl_debug >1) fprintf(stderr,"Allocation Class: %s\n", name); | |
| 2390 | |
| 2391 AllocClass *alloc_class = _AD._register->addAllocClass(name); | |
| 2392 | |
| 2393 // Collect registers in class | |
| 2394 skipws(); | |
| 2395 if (_curchar == '(') { | |
| 2396 next_char(); // Skip '(' | |
| 2397 skipws(); | |
| 2398 while (_curchar != ')') { | |
| 2399 char *rname = get_ident(); | |
| 2400 if (rname==NULL) { | |
| 2401 parse_err(SYNERR, "missing identifier inside reg_class list.\n"); | |
| 2402 return; | |
| 2403 } | |
| 2404 // Check if name is a RegDef | |
| 2405 RegDef *regDef = _AD._register->getRegDef(rname); | |
| 2406 if (regDef) { | |
| 2407 alloc_class->addReg(regDef); // add regDef to allocClass | |
| 2408 } else { | |
| 2409 | |
| 2410 // name must be a RegDef or a RegClass | |
| 2411 parse_err(SYNERR, "name %s should be a previously defined reg_def.\n", rname); | |
| 2412 return; | |
| 2413 } | |
| 2414 | |
| 2415 // Check for ',' and position to next token. | |
| 2416 skipws(); | |
| 2417 if (_curchar == ',') { | |
| 2418 next_char(); // Skip trailing ',' | |
| 2419 skipws(); | |
| 2420 } | |
| 2421 } | |
| 2422 next_char(); // Skip closing ')' | |
| 2423 } | |
| 2424 | |
| 2425 // Check for terminating ';' | |
| 2426 skipws(); | |
| 2427 if (_curchar != ';') { | |
| 2428 parse_err(SYNERR, "missing ';' at end of reg_class definition.\n"); | |
| 2429 return; | |
| 2430 } | |
| 2431 next_char(); // Skip trailing ';' | |
| 2432 | |
| 2433 return; | |
| 2434 } | |
| 2435 | |
| 2436 //------------------------------peep_match_child_parse------------------------- | |
| 2437 InstructForm *ADLParser::peep_match_child_parse(PeepMatch &match, int parent, int &position, int input){ | |
| 2438 char *token = NULL; | |
| 2439 int lparen = 0; // keep track of parenthesis nesting depth | |
| 2440 int rparen = 0; // position of instruction at this depth | |
| 2441 InstructForm *inst_seen = NULL; | |
| 2442 | |
| 2443 // Walk the match tree, | |
| 2444 // Record <parent, position, instruction name, input position> | |
| 2445 while ( lparen >= rparen ) { | |
| 2446 skipws(); | |
| 2447 // Left paren signals start of an input, collect with recursive call | |
| 2448 if (_curchar == '(') { | |
| 2449 ++lparen; | |
| 2450 next_char(); | |
| 6850 | 2451 ( void ) peep_match_child_parse(match, parent, position, rparen); |
| 0 | 2452 } |
| 2453 // Right paren signals end of an input, may be more | |
| 2454 else if (_curchar == ')') { | |
| 2455 ++rparen; | |
| 2456 if( rparen == lparen ) { // IF rparen matches an lparen I've seen | |
| 2457 next_char(); // move past ')' | |
| 2458 } else { // ELSE leave ')' for parent | |
| 2459 assert( rparen == lparen + 1, "Should only see one extra ')'"); | |
| 2460 // if an instruction was not specified for this paren-pair | |
| 2461 if( ! inst_seen ) { // record signal entry | |
| 2462 match.add_instruction( parent, position, NameList::_signal, input ); | |
| 2463 ++position; | |
| 2464 } | |
| 2465 // ++input; // TEMPORARY | |
| 2466 return inst_seen; | |
| 2467 } | |
| 2468 } | |
| 2469 // if no parens, then check for instruction name | |
| 2470 // This instruction is the parent of a sub-tree | |
| 2471 else if ((token = get_ident_dup()) != NULL) { | |
| 2472 const Form *form = _AD._globalNames[token]; | |
| 2473 if (form) { | |
| 2474 InstructForm *inst = form->is_instruction(); | |
| 2475 // Record the first instruction at this level | |
| 2476 if( inst_seen == NULL ) { | |
| 2477 inst_seen = inst; | |
| 2478 } | |
| 2479 if (inst) { | |
| 2480 match.add_instruction( parent, position, token, input ); | |
| 2481 parent = position; | |
| 2482 ++position; | |
| 2483 } else { | |
| 2484 parse_err(SYNERR, "instruction name expected at identifier %s.\n", | |
| 2485 token); | |
| 2486 return inst_seen; | |
| 2487 } | |
| 2488 } | |
| 2489 else { | |
| 2490 parse_err(SYNERR, "missing identifier in peepmatch rule.\n"); | |
| 2491 return NULL; | |
| 2492 } | |
| 2493 } | |
| 2494 else { | |
| 2495 parse_err(SYNERR, "missing identifier in peepmatch rule.\n"); | |
| 2496 return NULL; | |
| 2497 } | |
| 2498 | |
| 2499 } // end while | |
| 2500 | |
| 2501 assert( false, "ShouldNotReachHere();"); | |
| 2502 return NULL; | |
| 2503 } | |
| 2504 | |
| 2505 //------------------------------peep_match_parse------------------------------- | |
| 2506 // Syntax for a peepmatch rule | |
| 2507 // | |
| 2508 // peepmatch ( root_instr_name [(instruction subtree)] [,(instruction subtree)]* ); | |
| 2509 // | |
| 2510 void ADLParser::peep_match_parse(Peephole &peep) { | |
| 2511 | |
| 2512 skipws(); | |
| 2513 // Check the structure of the rule | |
| 2514 // Check for open paren | |
| 2515 if (_curchar != '(') { | |
| 2516 parse_err(SYNERR, "missing '(' at start of peepmatch rule.\n"); | |
| 2517 return; | |
| 2518 } | |
| 2519 next_char(); // skip '(' | |
| 2520 | |
| 2521 // Construct PeepMatch and parse the peepmatch rule. | |
| 2522 PeepMatch *match = new PeepMatch(_ptr); | |
| 2523 int parent = -1; // parent of root | |
| 2524 int position = 0; // zero-based positions | |
| 2525 int input = 0; // input position in parent's operands | |
| 2526 InstructForm *root= peep_match_child_parse( *match, parent, position, input); | |
| 2527 if( root == NULL ) { | |
| 2528 parse_err(SYNERR, "missing instruction-name at start of peepmatch.\n"); | |
| 2529 return; | |
| 2530 } | |
| 2531 | |
| 2532 if( _curchar != ')' ) { | |
| 2533 parse_err(SYNERR, "missing ')' at end of peepmatch.\n"); | |
| 2534 return; | |
| 2535 } | |
| 2536 next_char(); // skip ')' | |
| 2537 | |
| 2538 // Check for closing semicolon | |
| 2539 skipws(); | |
| 2540 if( _curchar != ';' ) { | |
| 2541 parse_err(SYNERR, "missing ';' at end of peepmatch.\n"); | |
| 2542 return; | |
| 2543 } | |
| 2544 next_char(); // skip ';' | |
| 2545 | |
| 2546 // Store match into peep, and store peep into instruction | |
| 2547 peep.add_match(match); | |
| 2548 root->append_peephole(&peep); | |
| 2549 } | |
| 2550 | |
| 2551 //------------------------------peep_constraint_parse-------------------------- | |
| 2552 // Syntax for a peepconstraint rule | |
| 2553 // A parenthesized list of relations between operands in peepmatch subtree | |
| 2554 // | |
| 2555 // peepconstraint %{ | |
| 2556 // (instruction_number.operand_name | |
| 2557 // relational_op | |
| 2558 // instruction_number.operand_name OR register_name | |
| 2559 // [, ...] ); | |
| 2560 // | |
| 2561 // // instruction numbers are zero-based using topological order in peepmatch | |
| 2562 // | |
| 2563 void ADLParser::peep_constraint_parse(Peephole &peep) { | |
| 2564 | |
| 2565 skipws(); | |
| 2566 // Check the structure of the rule | |
| 2567 // Check for open paren | |
| 2568 if (_curchar != '(') { | |
| 2569 parse_err(SYNERR, "missing '(' at start of peepconstraint rule.\n"); | |
| 2570 return; | |
| 2571 } | |
| 2572 else { | |
| 2573 next_char(); // Skip '(' | |
| 2574 } | |
| 2575 | |
| 2576 // Check for a constraint | |
| 2577 skipws(); | |
| 2578 while( _curchar != ')' ) { | |
| 2579 // Get information on the left instruction and its operand | |
| 2580 // left-instructions's number | |
|
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2581 int left_inst = get_int(); |
| 0 | 2582 // Left-instruction's operand |
| 2583 skipws(); | |
| 2584 if( _curchar != '.' ) { | |
| 2585 parse_err(SYNERR, "missing '.' in peepconstraint after instruction number.\n"); | |
| 2586 return; | |
| 2587 } | |
| 2588 next_char(); // Skip '.' | |
| 2589 char *left_op = get_ident_dup(); | |
| 2590 | |
| 2591 skipws(); | |
| 2592 // Collect relational operator | |
| 2593 char *relation = get_relation_dup(); | |
| 2594 | |
| 2595 skipws(); | |
| 2596 // Get information on the right instruction and its operand | |
|
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2597 int right_inst; // Right-instructions's number |
| 0 | 2598 if( isdigit(_curchar) ) { |
| 2599 right_inst = get_int(); | |
| 2600 // Right-instruction's operand | |
| 2601 skipws(); | |
| 2602 if( _curchar != '.' ) { | |
| 2603 parse_err(SYNERR, "missing '.' in peepconstraint after instruction number.\n"); | |
| 2604 return; | |
| 2605 } | |
| 2606 next_char(); // Skip '.' | |
| 2607 } else { | |
| 2608 right_inst = -1; // Flag as being a register constraint | |
| 2609 } | |
| 2610 | |
| 2611 char *right_op = get_ident_dup(); | |
| 2612 | |
| 2613 // Construct the next PeepConstraint | |
| 2614 PeepConstraint *constraint = new PeepConstraint( left_inst, left_op, | |
| 2615 relation, | |
| 2616 right_inst, right_op ); | |
| 2617 // And append it to the list for this peephole rule | |
| 2618 peep.append_constraint( constraint ); | |
| 2619 | |
| 2620 // Check for another constraint, or end of rule | |
| 2621 skipws(); | |
| 2622 if( _curchar == ',' ) { | |
| 2623 next_char(); // Skip ',' | |
| 2624 skipws(); | |
| 2625 } | |
| 2626 else if( _curchar != ')' ) { | |
| 2627 parse_err(SYNERR, "expected ',' or ')' after peephole constraint.\n"); | |
| 2628 return; | |
| 2629 } | |
| 2630 } // end while( processing constraints ) | |
| 2631 next_char(); // Skip ')' | |
| 2632 | |
| 2633 // Check for terminating ';' | |
| 2634 skipws(); | |
| 2635 if (_curchar != ';') { | |
| 2636 parse_err(SYNERR, "missing ';' at end of peepconstraint.\n"); | |
| 2637 return; | |
| 2638 } | |
| 2639 next_char(); // Skip trailing ';' | |
| 2640 } | |
| 2641 | |
| 2642 | |
| 2643 //------------------------------peep_replace_parse----------------------------- | |
| 2644 // Syntax for a peepreplace rule | |
| 2645 // root instruction name followed by a | |
| 2646 // parenthesized list of whitespace separated instruction.operand specifiers | |
| 2647 // | |
| 2648 // peepreplace ( instr_name ( [instruction_number.operand_name]* ) ); | |
| 2649 // | |
| 2650 // | |
| 2651 void ADLParser::peep_replace_parse(Peephole &peep) { | |
| 2652 int lparen = 0; // keep track of parenthesis nesting depth | |
| 2653 int rparen = 0; // keep track of parenthesis nesting depth | |
| 2654 int icount = 0; // count of instructions in rule for naming | |
| 2655 char *str = NULL; | |
| 2656 char *token = NULL; | |
| 2657 | |
| 2658 skipws(); | |
| 2659 // Check for open paren | |
| 2660 if (_curchar != '(') { | |
| 2661 parse_err(SYNERR, "missing '(' at start of peepreplace rule.\n"); | |
| 2662 return; | |
| 2663 } | |
| 2664 else { | |
| 2665 lparen++; | |
| 2666 next_char(); | |
| 2667 } | |
| 2668 | |
| 2669 // Check for root instruction | |
| 2670 char *inst = get_ident_dup(); | |
| 2671 const Form *form = _AD._globalNames[inst]; | |
| 2672 if( form == NULL || form->is_instruction() == NULL ) { | |
| 2673 parse_err(SYNERR, "Instruction name expected at start of peepreplace.\n"); | |
| 2674 return; | |
| 2675 } | |
| 2676 | |
| 2677 // Store string representation of rule into replace | |
| 2678 PeepReplace *replace = new PeepReplace(str); | |
| 2679 replace->add_instruction( inst ); | |
| 2680 | |
| 2681 skipws(); | |
| 2682 // Start of root's operand-list | |
| 2683 if (_curchar != '(') { | |
| 2684 parse_err(SYNERR, "missing '(' at peepreplace root's operand-list.\n"); | |
| 2685 return; | |
| 2686 } | |
| 2687 else { | |
| 2688 lparen++; | |
| 2689 next_char(); | |
| 2690 } | |
| 2691 | |
| 2692 skipws(); | |
| 2693 // Get the list of operands | |
| 2694 while( _curchar != ')' ) { | |
| 2695 // Get information on an instruction and its operand | |
| 2696 // instructions's number | |
| 2697 int inst_num = get_int(); | |
| 2698 // Left-instruction's operand | |
| 2699 skipws(); | |
| 2700 if( _curchar != '.' ) { | |
| 2701 parse_err(SYNERR, "missing '.' in peepreplace after instruction number.\n"); | |
| 2702 return; | |
| 2703 } | |
| 2704 next_char(); // Skip '.' | |
| 2705 char *inst_op = get_ident_dup(); | |
| 2706 if( inst_op == NULL ) { | |
| 2707 parse_err(SYNERR, "missing operand identifier in peepreplace.\n"); | |
| 2708 return; | |
| 2709 } | |
| 2710 | |
| 2711 // Record this operand's position in peepmatch | |
| 2712 replace->add_operand( inst_num, inst_op ); | |
| 2713 skipws(); | |
| 2714 } | |
| 2715 | |
| 2716 // Check for the end of operands list | |
| 2717 skipws(); | |
| 2718 assert( _curchar == ')', "While loop should have advanced to ')'."); | |
| 2719 next_char(); // Skip ')' | |
| 2720 | |
| 2721 skipws(); | |
| 2722 // Check for end of peepreplace | |
| 2723 if( _curchar != ')' ) { | |
| 2724 parse_err(SYNERR, "missing ')' at end of peepmatch.\n"); | |
| 2725 parse_err(SYNERR, "Support one replacement instruction.\n"); | |
| 2726 return; | |
| 2727 } | |
| 2728 next_char(); // Skip ')' | |
| 2729 | |
| 2730 // Check for closing semicolon | |
| 2731 skipws(); | |
| 2732 if( _curchar != ';' ) { | |
| 2733 parse_err(SYNERR, "missing ';' at end of peepreplace.\n"); | |
| 2734 return; | |
| 2735 } | |
| 2736 next_char(); // skip ';' | |
| 2737 | |
| 2738 // Store replace into peep | |
| 2739 peep.add_replace( replace ); | |
| 2740 } | |
| 2741 | |
| 2742 //------------------------------pred_parse------------------------------------- | |
| 2743 Predicate *ADLParser::pred_parse(void) { | |
| 2744 Predicate *predicate; // Predicate class for operand | |
| 2745 char *rule = NULL; // String representation of predicate | |
| 2746 | |
| 2747 skipws(); // Skip leading whitespace | |
|
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2748 int line = linenum(); |
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2749 if ( (rule = get_paren_expr("pred expression", true)) == NULL ) { |
| 0 | 2750 parse_err(SYNERR, "incorrect or missing expression for 'predicate'\n"); |
| 2751 return NULL; | |
| 2752 } | |
| 2753 // Debug Stuff | |
| 2754 if (_AD._adl_debug > 1) fprintf(stderr,"Predicate: %s\n", rule); | |
| 2755 if (_curchar != ';') { | |
| 2756 parse_err(SYNERR, "missing ';' in predicate definition\n"); | |
| 2757 return NULL; | |
| 2758 } | |
| 2759 next_char(); // Point after the terminator | |
| 2760 | |
| 2761 predicate = new Predicate(rule); // Build new predicate object | |
| 2762 skipws(); | |
| 2763 return predicate; | |
| 2764 } | |
| 2765 | |
| 2766 | |
| 2767 //------------------------------ins_encode_parse_block------------------------- | |
| 2768 // Parse the block form of ins_encode. See ins_encode_parse for more details | |
| 2008 | 2769 void ADLParser::ins_encode_parse_block(InstructForm& inst) { |
| 0 | 2770 // Create a new encoding name based on the name of the instruction |
| 2771 // definition, which should be unique. | |
| 2008 | 2772 const char* prefix = "__ins_encode_"; |
| 2773 char* ec_name = (char*) malloc(strlen(inst._ident) + strlen(prefix) + 1); | |
| 0 | 2774 sprintf(ec_name, "%s%s", prefix, inst._ident); |
| 2775 | |
| 2776 assert(_AD._encode->encClass(ec_name) == NULL, "shouldn't already exist"); | |
| 2008 | 2777 EncClass* encoding = _AD._encode->add_EncClass(ec_name); |
|
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2778 encoding->_linenum = linenum(); |
| 0 | 2779 |
| 2780 // synthesize the arguments list for the enc_class from the | |
| 2781 // arguments to the instruct definition. | |
| 2008 | 2782 const char* param = NULL; |
| 0 | 2783 inst._parameters.reset(); |
| 2784 while ((param = inst._parameters.iter()) != NULL) { | |
| 2008 | 2785 OperandForm* opForm = (OperandForm*) inst._localNames[param]; |
| 0 | 2786 encoding->add_parameter(opForm->_ident, param); |
| 2787 } | |
| 2788 | |
|
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2789 if (!inst._is_postalloc_expand) { |
|
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|
2790 // Define a MacroAssembler instance for use by the encoding. The |
|
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2791 // name is chosen to match the __ idiom used for assembly in other |
|
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|
2792 // parts of hotspot and assumes the existence of the standard |
|
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|
2793 // #define __ _masm. |
|
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|
2794 encoding->add_code(" MacroAssembler _masm(&cbuf);\n"); |
|
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|
2795 } |
| 0 | 2796 |
| 2797 // Parse the following %{ }% block | |
| 2008 | 2798 ins_encode_parse_block_impl(inst, encoding, ec_name); |
| 0 | 2799 |
| 2800 // Build an encoding rule which invokes the encoding rule we just | |
| 2801 // created, passing all arguments that we received. | |
| 2008 | 2802 InsEncode* encrule = new InsEncode(); // Encode class for instruction |
| 2803 NameAndList* params = encrule->add_encode(ec_name); | |
| 0 | 2804 inst._parameters.reset(); |
| 2805 while ((param = inst._parameters.iter()) != NULL) { | |
| 2806 params->add_entry(param); | |
| 2807 } | |
| 2808 | |
|
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|
2809 // Check for duplicate ins_encode sections after parsing the block |
|
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diff
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|
2810 // so that parsing can continue and find any other errors. |
|
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diff
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|
2811 if (inst._insencode != NULL) { |
|
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|
2812 parse_err(SYNERR, "Multiple ins_encode sections defined\n"); |
|
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|
2813 return; |
|
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|
2814 } |
|
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|
2815 |
| 2008 | 2816 // Set encode class of this instruction. |
| 2817 inst._insencode = encrule; | |
| 2818 } | |
| 2819 | |
| 2820 | |
| 2821 void ADLParser::ins_encode_parse_block_impl(InstructForm& inst, EncClass* encoding, char* ec_name) { | |
| 2822 skipws_no_preproc(); // Skip leading whitespace | |
| 2823 // Prepend location descriptor, for debugging; cf. ADLParser::find_cpp_block | |
| 2824 if (_AD._adlocation_debug) { | |
| 2825 encoding->add_code(get_line_string()); | |
| 2826 } | |
| 2827 | |
| 2828 // Collect the parts of the encode description | |
| 2829 // (1) strings that are passed through to output | |
| 2830 // (2) replacement/substitution variable, preceeded by a '$' | |
| 2831 while ((_curchar != '%') && (*(_ptr+1) != '}')) { | |
| 2832 | |
| 2833 // (1) | |
| 2834 // Check if there is a string to pass through to output | |
| 2835 char *start = _ptr; // Record start of the next string | |
| 2836 while ((_curchar != '$') && ((_curchar != '%') || (*(_ptr+1) != '}')) ) { | |
| 2837 // If at the start of a comment, skip past it | |
| 2838 if( (_curchar == '/') && ((*(_ptr+1) == '/') || (*(_ptr+1) == '*')) ) { | |
| 2839 skipws_no_preproc(); | |
| 2840 } else { | |
| 2841 // ELSE advance to the next character, or start of the next line | |
| 2842 next_char_or_line(); | |
| 2843 } | |
| 2844 } | |
| 2845 // If a string was found, terminate it and record in EncClass | |
| 2846 if (start != _ptr) { | |
| 2847 *_ptr = '\0'; // Terminate the string | |
| 2848 encoding->add_code(start); | |
| 2849 } | |
| 2850 | |
| 2851 // (2) | |
| 2852 // If we are at a replacement variable, | |
| 2853 // copy it and record in EncClass | |
| 2854 if (_curchar == '$') { | |
| 2855 // Found replacement Variable | |
| 2856 char* rep_var = get_rep_var_ident_dup(); | |
| 2857 | |
| 2858 // Add flag to _strings list indicating we should check _rep_vars | |
| 2859 encoding->add_rep_var(rep_var); | |
| 2860 | |
| 2861 skipws(); | |
| 2862 | |
| 2863 // Check if this instruct is a MachConstantNode. | |
| 2864 if (strcmp(rep_var, "constanttablebase") == 0) { | |
| 2865 // This instruct is a MachConstantNode. | |
|
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|
2866 inst.set_needs_constant_base(true); |
|
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|
2867 if (strncmp("MachCall", inst.mach_base_class(_globalNames), strlen("MachCall")) != 0 ) { |
|
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|
2868 inst.set_is_mach_constant(true); |
|
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|
2869 } |
| 2008 | 2870 |
| 2871 if (_curchar == '(') { | |
|
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2872 parse_err(SYNERR, "constanttablebase in instruct %s cannot have an argument " |
|
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|
2873 "(only constantaddress and constantoffset)", ec_name); |
| 2008 | 2874 return; |
| 2875 } | |
| 2876 } | |
| 2877 else if ((strcmp(rep_var, "constantaddress") == 0) || | |
| 2878 (strcmp(rep_var, "constantoffset") == 0)) { | |
| 2879 // This instruct is a MachConstantNode. | |
| 2880 inst.set_is_mach_constant(true); | |
| 2881 | |
| 2882 // If the constant keyword has an argument, parse it. | |
| 2883 if (_curchar == '(') constant_parse(inst); | |
| 2884 } | |
| 2885 } | |
| 2886 } // end while part of format description | |
| 2887 next_char(); // Skip '%' | |
| 2888 next_char(); // Skip '}' | |
| 2889 | |
| 2890 skipws(); | |
| 2891 | |
| 2892 if (_AD._adlocation_debug) { | |
| 2893 encoding->add_code(end_line_marker()); | |
| 2894 } | |
| 2895 | |
| 2896 // Debug Stuff | |
| 2897 if (_AD._adl_debug > 1) fprintf(stderr, "EncodingClass Form: %s\n", ec_name); | |
| 0 | 2898 } |
| 2899 | |
| 2900 | |
| 2901 //------------------------------ins_encode_parse------------------------------- | |
| 2902 // Encode rules have the form | |
| 2903 // ins_encode( encode_class_name(parameter_list), ... ); | |
| 2904 // | |
| 2905 // The "encode_class_name" must be defined in the encode section | |
| 2906 // The parameter list contains $names that are locals. | |
| 2907 // | |
| 2908 // Alternatively it can be written like this: | |
| 2909 // | |
| 2910 // ins_encode %{ | |
| 2911 // ... // body | |
| 2912 // %} | |
| 2913 // | |
| 2914 // which synthesizes a new encoding class taking the same arguments as | |
| 2915 // the InstructForm, and automatically prefixes the definition with: | |
| 2916 // | |
| 2917 // MacroAssembler masm(&cbuf);\n"); | |
| 2918 // | |
| 2919 // making it more compact to take advantage of the MacroAssembler and | |
| 2920 // placing the assembly closer to it's use by instructions. | |
| 2008 | 2921 void ADLParser::ins_encode_parse(InstructForm& inst) { |
| 0 | 2922 |
| 2923 // Parse encode class name | |
| 2924 skipws(); // Skip whitespace | |
| 2925 if (_curchar != '(') { | |
| 2926 // Check for ins_encode %{ form | |
| 2927 if ((_curchar == '%') && (*(_ptr+1) == '{')) { | |
| 2928 next_char(); // Skip '%' | |
| 2929 next_char(); // Skip '{' | |
| 2930 | |
| 2931 // Parse the block form of ins_encode | |
| 2008 | 2932 ins_encode_parse_block(inst); |
| 2933 return; | |
| 0 | 2934 } |
| 2935 | |
| 2936 parse_err(SYNERR, "missing '%%{' or '(' in ins_encode definition\n"); | |
| 2008 | 2937 return; |
| 0 | 2938 } |
| 2939 next_char(); // move past '(' | |
| 2940 skipws(); | |
| 2941 | |
| 2942 InsEncode *encrule = new InsEncode(); // Encode class for instruction | |
|
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
2943 encrule->_linenum = linenum(); |
| 0 | 2944 char *ec_name = NULL; // String representation of encode rule |
| 2945 // identifier is optional. | |
| 2946 while (_curchar != ')') { | |
| 2947 ec_name = get_ident(); | |
| 2948 if (ec_name == NULL) { | |
| 2949 parse_err(SYNERR, "Invalid encode class name after 'ins_encode('.\n"); | |
| 2008 | 2950 return; |
| 0 | 2951 } |
| 2952 // Check that encoding is defined in the encode section | |
| 2953 EncClass *encode_class = _AD._encode->encClass(ec_name); | |
| 2954 if (encode_class == NULL) { | |
| 2955 // Like to defer checking these till later... | |
| 2956 // parse_err(WARN, "Using an undefined encode class '%s' in 'ins_encode'.\n", ec_name); | |
| 2957 } | |
| 2958 | |
| 2959 // Get list for encode method's parameters | |
| 2960 NameAndList *params = encrule->add_encode(ec_name); | |
| 2961 | |
| 2962 // Parse the parameters to this encode method. | |
| 2963 skipws(); | |
| 2964 if ( _curchar == '(' ) { | |
| 2965 next_char(); // move past '(' for parameters | |
| 2966 | |
| 2967 // Parse the encode method's parameters | |
| 2968 while (_curchar != ')') { | |
| 2969 char *param = get_ident_or_literal_constant("encoding operand"); | |
| 2970 if ( param != NULL ) { | |
|
14434
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2971 |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2972 // Check if this instruct is a MachConstantNode. |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2973 if (strcmp(param, "constanttablebase") == 0) { |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2974 // This instruct is a MachConstantNode. |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2975 inst.set_needs_constant_base(true); |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2976 if (strncmp("MachCall", inst.mach_base_class(_globalNames), strlen("MachCall")) != 0 ) { |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2977 inst.set_is_mach_constant(true); |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2978 } |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2979 |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2980 if (_curchar == '(') { |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2981 parse_err(SYNERR, "constanttablebase in instruct %s cannot have an argument " |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2982 "(only constantaddress and constantoffset)", ec_name); |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2983 return; |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2984 } |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2985 } else { |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2986 // Found a parameter: |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2987 // Check it is a local name, add it to the list, then check for more |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2988 // New: allow hex constants as parameters to an encode method. |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2989 // New: allow parenthesized expressions as parameters. |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2990 // New: allow "primary", "secondary", "tertiary" as parameters. |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2991 // New: allow user-defined register name as parameter |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2992 if ( (inst._localNames[param] == NULL) && |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2993 !ADLParser::is_literal_constant(param) && |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2994 (Opcode::as_opcode_type(param) == Opcode::NOT_AN_OPCODE) && |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2995 ((_AD._register == NULL ) || (_AD._register->getRegDef(param) == NULL)) ) { |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2996 parse_err(SYNERR, "Using non-locally defined parameter %s for encoding %s.\n", param, ec_name); |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2997 return; |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2998 } |
| 0 | 2999 } |
| 3000 params->add_entry(param); | |
| 3001 | |
| 3002 skipws(); | |
| 3003 if (_curchar == ',' ) { | |
| 3004 // More parameters to come | |
| 3005 next_char(); // move past ',' between parameters | |
| 3006 skipws(); // Skip to next parameter | |
| 3007 } | |
| 3008 else if (_curchar == ')') { | |
| 3009 // Done with parameter list | |
| 3010 } | |
| 3011 else { | |
| 3012 // Only ',' or ')' are valid after a parameter name | |
| 3013 parse_err(SYNERR, "expected ',' or ')' after parameter %s.\n", | |
| 3014 ec_name); | |
| 2008 | 3015 return; |
| 0 | 3016 } |
| 3017 | |
| 3018 } else { | |
| 3019 skipws(); | |
| 3020 // Did not find a parameter | |
| 3021 if (_curchar == ',') { | |
| 3022 parse_err(SYNERR, "Expected encode parameter before ',' in encoding %s.\n", ec_name); | |
| 2008 | 3023 return; |
| 0 | 3024 } |
| 3025 if (_curchar != ')') { | |
| 3026 parse_err(SYNERR, "Expected ')' after encode parameters.\n"); | |
| 2008 | 3027 return; |
| 0 | 3028 } |
| 3029 } | |
| 3030 } // WHILE loop collecting parameters | |
| 3031 next_char(); // move past ')' at end of parameters | |
| 3032 } // done with parameter list for encoding | |
| 3033 | |
| 3034 // Check for ',' or ')' after encoding | |
| 3035 skipws(); // move to character after parameters | |
| 3036 if ( _curchar == ',' ) { | |
| 3037 // Found a ',' | |
| 3038 next_char(); // move past ',' between encode methods | |
| 3039 skipws(); | |
| 3040 } | |
| 3041 else if ( _curchar != ')' ) { | |
| 3042 // If not a ',' then only a ')' is allowed | |
| 3043 parse_err(SYNERR, "Expected ')' after encoding %s.\n", ec_name); | |
| 2008 | 3044 return; |
| 0 | 3045 } |
| 3046 | |
| 3047 // Check for ',' separating parameters | |
| 3048 // if ( _curchar != ',' && _curchar != ')' ) { | |
| 3049 // parse_err(SYNERR, "expected ',' or ')' after encode method inside ins_encode.\n"); | |
| 3050 // return NULL; | |
| 3051 // } | |
| 3052 | |
| 3053 } // done parsing ins_encode methods and their parameters | |
| 3054 if (_curchar != ')') { | |
| 3055 parse_err(SYNERR, "Missing ')' at end of ins_encode description.\n"); | |
| 2008 | 3056 return; |
| 0 | 3057 } |
| 3058 next_char(); // move past ')' | |
| 3059 skipws(); // Skip leading whitespace | |
| 3060 | |
| 3061 if ( _curchar != ';' ) { | |
| 3062 parse_err(SYNERR, "Missing ';' at end of ins_encode.\n"); | |
| 2008 | 3063 return; |
| 0 | 3064 } |
| 3065 next_char(); // move past ';' | |
| 3066 skipws(); // be friendly to oper_parse() | |
| 3067 | |
|
3793
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
3068 // Check for duplicate ins_encode sections after parsing the block |
|
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
3069 // so that parsing can continue and find any other errors. |
|
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
3070 if (inst._insencode != NULL) { |
|
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
3071 parse_err(SYNERR, "Multiple ins_encode sections defined\n"); |
|
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
3072 return; |
|
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
3073 } |
|
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
3074 |
| 0 | 3075 // Debug Stuff |
| 3076 if (_AD._adl_debug > 1) fprintf(stderr,"Instruction Encode: %s\n", ec_name); | |
| 3077 | |
| 2008 | 3078 // Set encode class of this instruction. |
| 3079 inst._insencode = encrule; | |
| 3080 } | |
| 3081 | |
|
14428
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3082 //------------------------------postalloc_expand_parse--------------------------- |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3083 // Encode rules have the form |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3084 // postalloc_expand( encode_class_name(parameter_list) ); |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3085 // |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3086 // The "encode_class_name" must be defined in the encode section. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3087 // The parameter list contains $names that are locals. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3088 // |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3089 // This is just a copy of ins_encode_parse without the loop. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3090 void ADLParser::postalloc_expand_parse(InstructForm& inst) { |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3091 inst._is_postalloc_expand = true; |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3092 |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3093 // Parse encode class name. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3094 skipws(); // Skip whitespace. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3095 if (_curchar != '(') { |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3096 // Check for postalloc_expand %{ form |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3097 if ((_curchar == '%') && (*(_ptr+1) == '{')) { |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3098 next_char(); // Skip '%' |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3099 next_char(); // Skip '{' |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3100 |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3101 // Parse the block form of postalloc_expand |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3102 ins_encode_parse_block(inst); |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3103 return; |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3104 } |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3105 |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3106 parse_err(SYNERR, "missing '(' in postalloc_expand definition\n"); |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3107 return; |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3108 } |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3109 next_char(); // Move past '('. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3110 skipws(); |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3111 |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3112 InsEncode *encrule = new InsEncode(); // Encode class for instruction. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3113 encrule->_linenum = linenum(); |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3114 char *ec_name = NULL; // String representation of encode rule. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3115 // identifier is optional. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3116 if (_curchar != ')') { |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3117 ec_name = get_ident(); |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3118 if (ec_name == NULL) { |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3119 parse_err(SYNERR, "Invalid postalloc_expand class name after 'postalloc_expand('.\n"); |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3120 return; |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3121 } |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3122 // Check that encoding is defined in the encode section. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3123 EncClass *encode_class = _AD._encode->encClass(ec_name); |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3124 |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3125 // Get list for encode method's parameters |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3126 NameAndList *params = encrule->add_encode(ec_name); |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3127 |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3128 // Parse the parameters to this encode method. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3129 skipws(); |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3130 if (_curchar == '(') { |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3131 next_char(); // Move past '(' for parameters. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3132 |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3133 // Parse the encode method's parameters. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3134 while (_curchar != ')') { |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3135 char *param = get_ident_or_literal_constant("encoding operand"); |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3136 if (param != NULL) { |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3137 // Found a parameter: |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3138 |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3139 // First check for constant table support. |
|
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8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
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parents:
12323
diff
changeset
|
3140 |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
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parents:
12323
diff
changeset
|
3141 // Check if this instruct is a MachConstantNode. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
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parents:
12323
diff
changeset
|
3142 if (strcmp(param, "constanttablebase") == 0) { |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3143 // This instruct is a MachConstantNode. |
|
14434
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3144 inst.set_needs_constant_base(true); |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3145 if (strncmp("MachCall", inst.mach_base_class(_globalNames), strlen("MachCall")) != 0 ) { |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3146 inst.set_is_mach_constant(true); |
|
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3147 } |
|
14428
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
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parents:
12323
diff
changeset
|
3148 |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3149 if (_curchar == '(') { |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
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parents:
12323
diff
changeset
|
3150 parse_err(SYNERR, "constanttablebase in instruct %s cannot have an argument " |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
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parents:
12323
diff
changeset
|
3151 "(only constantaddress and constantoffset)", ec_name); |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3152 return; |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3153 } |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3154 } |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3155 else if ((strcmp(param, "constantaddress") == 0) || |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3156 (strcmp(param, "constantoffset") == 0)) { |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
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parents:
12323
diff
changeset
|
3157 // This instruct is a MachConstantNode. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3158 inst.set_is_mach_constant(true); |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
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parents:
12323
diff
changeset
|
3159 |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3160 // If the constant keyword has an argument, parse it. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3161 if (_curchar == '(') constant_parse(inst); |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3162 } |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3163 |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3164 // Else check it is a local name, add it to the list, then check for more. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3165 // New: allow hex constants as parameters to an encode method. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
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parents:
12323
diff
changeset
|
3166 // New: allow parenthesized expressions as parameters. |
|
044b28168e20
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parents:
12323
diff
changeset
|
3167 // New: allow "primary", "secondary", "tertiary" as parameters. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3168 // New: allow user-defined register name as parameter. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
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parents:
12323
diff
changeset
|
3169 else if ((inst._localNames[param] == NULL) && |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
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parents:
12323
diff
changeset
|
3170 !ADLParser::is_literal_constant(param) && |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
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parents:
12323
diff
changeset
|
3171 (Opcode::as_opcode_type(param) == Opcode::NOT_AN_OPCODE) && |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
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parents:
12323
diff
changeset
|
3172 ((_AD._register == NULL) || (_AD._register->getRegDef(param) == NULL))) { |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3173 parse_err(SYNERR, "Using non-locally defined parameter %s for encoding %s.\n", param, ec_name); |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3174 return; |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3175 } |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3176 params->add_entry(param); |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3177 |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3178 skipws(); |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3179 if (_curchar == ',') { |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3180 // More parameters to come. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3181 next_char(); // Move past ',' between parameters. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3182 skipws(); // Skip to next parameter. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3183 } else if (_curchar == ')') { |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3184 // Done with parameter list |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3185 } else { |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3186 // Only ',' or ')' are valid after a parameter name. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3187 parse_err(SYNERR, "expected ',' or ')' after parameter %s.\n", ec_name); |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3188 return; |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3189 } |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3190 |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3191 } else { |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3192 skipws(); |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3193 // Did not find a parameter. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3194 if (_curchar == ',') { |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3195 parse_err(SYNERR, "Expected encode parameter before ',' in postalloc_expand %s.\n", ec_name); |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3196 return; |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3197 } |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3198 if (_curchar != ')') { |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3199 parse_err(SYNERR, "Expected ')' after postalloc_expand parameters.\n"); |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3200 return; |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3201 } |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3202 } |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3203 } // WHILE loop collecting parameters. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3204 next_char(); // Move past ')' at end of parameters. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3205 } // Done with parameter list for encoding. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3206 |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3207 // Check for ',' or ')' after encoding. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3208 skipws(); // Move to character after parameters. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3209 if (_curchar != ')') { |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3210 // Only a ')' is allowed. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3211 parse_err(SYNERR, "Expected ')' after postalloc_expand %s.\n", ec_name); |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3212 return; |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3213 } |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3214 } // Done parsing postalloc_expand method and their parameters. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3215 if (_curchar != ')') { |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3216 parse_err(SYNERR, "Missing ')' at end of postalloc_expand description.\n"); |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3217 return; |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3218 } |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3219 next_char(); // Move past ')'. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3220 skipws(); // Skip leading whitespace. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3221 |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3222 if (_curchar != ';') { |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3223 parse_err(SYNERR, "Missing ';' at end of postalloc_expand.\n"); |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3224 return; |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3225 } |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3226 next_char(); // Move past ';'. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3227 skipws(); // Be friendly to oper_parse(). |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3228 |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3229 // Debug Stuff. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3230 if (_AD._adl_debug > 1) fprintf(stderr, "Instruction postalloc_expand: %s\n", ec_name); |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3231 |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3232 // Set encode class of this instruction. |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3233 inst._insencode = encrule; |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3234 } |
|
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3235 |
| 2008 | 3236 |
| 3237 //------------------------------constant_parse--------------------------------- | |
| 3238 // Parse a constant expression. | |
| 3239 void ADLParser::constant_parse(InstructForm& inst) { | |
| 3240 // Create a new encoding name based on the name of the instruction | |
| 3241 // definition, which should be unique. | |
| 3242 const char* prefix = "__constant_"; | |
| 3243 char* ec_name = (char*) malloc(strlen(inst._ident) + strlen(prefix) + 1); | |
| 3244 sprintf(ec_name, "%s%s", prefix, inst._ident); | |
| 3245 | |
| 3246 assert(_AD._encode->encClass(ec_name) == NULL, "shouldn't already exist"); | |
| 3247 EncClass* encoding = _AD._encode->add_EncClass(ec_name); | |
| 3248 encoding->_linenum = linenum(); | |
| 3249 | |
| 3250 // synthesize the arguments list for the enc_class from the | |
| 3251 // arguments to the instruct definition. | |
| 3252 const char* param = NULL; | |
| 3253 inst._parameters.reset(); | |
| 3254 while ((param = inst._parameters.iter()) != NULL) { | |
| 3255 OperandForm* opForm = (OperandForm*) inst._localNames[param]; | |
| 3256 encoding->add_parameter(opForm->_ident, param); | |
| 3257 } | |
| 3258 | |
| 3259 // Parse the following ( ) expression. | |
| 3260 constant_parse_expression(encoding, ec_name); | |
| 3261 | |
| 3262 // Build an encoding rule which invokes the encoding rule we just | |
| 3263 // created, passing all arguments that we received. | |
| 3264 InsEncode* encrule = new InsEncode(); // Encode class for instruction | |
| 3265 NameAndList* params = encrule->add_encode(ec_name); | |
| 3266 inst._parameters.reset(); | |
| 3267 while ((param = inst._parameters.iter()) != NULL) { | |
| 3268 params->add_entry(param); | |
| 3269 } | |
| 3270 | |
| 3271 // Set encode class of this instruction. | |
| 3272 inst._constant = encrule; | |
| 3273 } | |
| 3274 | |
| 3275 | |
| 3276 //------------------------------constant_parse_expression---------------------- | |
| 3277 void ADLParser::constant_parse_expression(EncClass* encoding, char* ec_name) { | |
| 3278 skipws(); | |
| 3279 | |
| 3280 // Prepend location descriptor, for debugging; cf. ADLParser::find_cpp_block | |
| 3281 if (_AD._adlocation_debug) { | |
| 3282 encoding->add_code(get_line_string()); | |
| 3283 } | |
| 3284 | |
| 3285 // Start code line. | |
| 3286 encoding->add_code(" _constant = C->constant_table().add"); | |
| 3287 | |
| 3288 // Parse everything in ( ) expression. | |
|
4114
6729bbc1fcd6
7003454: order constants in constant table by number of references in code
twisti
parents:
3842
diff
changeset
|
3289 encoding->add_code("(this, "); |
| 2008 | 3290 next_char(); // Skip '(' |
| 3291 int parens_depth = 1; | |
| 3292 | |
| 3293 // Collect the parts of the constant expression. | |
| 3294 // (1) strings that are passed through to output | |
| 3295 // (2) replacement/substitution variable, preceeded by a '$' | |
| 3296 while (parens_depth > 0) { | |
| 3297 if (_curchar == '(') { | |
| 3298 parens_depth++; | |
| 3299 encoding->add_code("("); | |
| 3300 next_char(); | |
| 3301 } | |
| 3302 else if (_curchar == ')') { | |
| 3303 parens_depth--; | |
|
4114
6729bbc1fcd6
7003454: order constants in constant table by number of references in code
twisti
parents:
3842
diff
changeset
|
3304 if (parens_depth > 0) |
|
6729bbc1fcd6
7003454: order constants in constant table by number of references in code
twisti
parents:
3842
diff
changeset
|
3305 encoding->add_code(")"); |
| 2008 | 3306 next_char(); |
| 3307 } | |
| 3308 else { | |
| 3309 // (1) | |
| 3310 // Check if there is a string to pass through to output | |
| 3311 char *start = _ptr; // Record start of the next string | |
| 3312 while ((_curchar != '$') && (_curchar != '(') && (_curchar != ')')) { | |
| 3313 next_char(); | |
| 3314 } | |
| 3315 // If a string was found, terminate it and record in EncClass | |
| 3316 if (start != _ptr) { | |
| 3317 *_ptr = '\0'; // Terminate the string | |
| 3318 encoding->add_code(start); | |
| 3319 } | |
| 3320 | |
| 3321 // (2) | |
| 3322 // If we are at a replacement variable, copy it and record in EncClass. | |
| 3323 if (_curchar == '$') { | |
| 3324 // Found replacement Variable | |
| 3325 char* rep_var = get_rep_var_ident_dup(); | |
| 3326 encoding->add_rep_var(rep_var); | |
| 3327 } | |
| 3328 } | |
| 3329 } | |
| 3330 | |
| 3331 // Finish code line. | |
|
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diff
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|
3332 encoding->add_code(");"); |
| 2008 | 3333 |
| 3334 if (_AD._adlocation_debug) { | |
| 3335 encoding->add_code(end_line_marker()); | |
| 3336 } | |
| 3337 | |
| 3338 // Debug Stuff | |
| 3339 if (_AD._adl_debug > 1) fprintf(stderr, "EncodingClass Form: %s\n", ec_name); | |
| 0 | 3340 } |
| 3341 | |
| 3342 | |
| 3343 //------------------------------size_parse----------------------------------- | |
| 6850 | 3344 // Parse a 'size(<expr>)' attribute which specifies the size of the |
| 3345 // emitted instructions in bytes. <expr> can be a C++ expression, | |
| 3346 // e.g. a constant. | |
| 0 | 3347 char* ADLParser::size_parse(InstructForm *instr) { |
| 3348 char* sizeOfInstr = NULL; | |
| 3349 | |
| 3350 // Get value of the instruction's size | |
| 3351 skipws(); | |
| 3352 | |
| 3353 // Parse size | |
| 3354 sizeOfInstr = get_paren_expr("size expression"); | |
| 3355 if (sizeOfInstr == NULL) { | |
| 3356 parse_err(SYNERR, "size of opcode expected at %c\n", _curchar); | |
| 3357 return NULL; | |
| 3358 } | |
| 3359 | |
| 3360 skipws(); | |
| 3361 | |
| 3362 // Check for terminator | |
| 3363 if (_curchar != ';') { | |
| 3364 parse_err(SYNERR, "missing ';' in ins_attrib definition\n"); | |
| 3365 return NULL; | |
| 3366 } | |
| 3367 next_char(); // Advance past the ';' | |
| 3368 skipws(); // necessary for instr_parse() | |
| 3369 | |
| 3370 // Debug Stuff | |
| 3371 if (_AD._adl_debug > 1) { | |
| 3372 if (sizeOfInstr != NULL) { | |
| 3373 fprintf(stderr,"size of opcode: %s\n", sizeOfInstr); | |
| 3374 } | |
| 3375 } | |
| 3376 | |
| 3377 return sizeOfInstr; | |
| 3378 } | |
| 3379 | |
| 3380 | |
| 3381 //------------------------------opcode_parse----------------------------------- | |
| 3382 Opcode * ADLParser::opcode_parse(InstructForm *instr) { | |
| 3383 char *primary = NULL; | |
| 3384 char *secondary = NULL; | |
| 3385 char *tertiary = NULL; | |
| 3386 | |
| 3387 char *val = NULL; | |
| 3388 Opcode *opcode = NULL; | |
| 3389 | |
| 3390 // Get value of the instruction's opcode | |
| 3391 skipws(); | |
| 3392 if (_curchar != '(') { // Check for parenthesized operand list | |
| 3393 parse_err(SYNERR, "missing '(' in expand instruction declaration\n"); | |
| 3394 return NULL; | |
| 3395 } | |
| 3396 next_char(); // skip open paren | |
| 3397 skipws(); | |
| 3398 if (_curchar != ')') { | |
| 3399 // Parse primary, secondary, and tertiary opcodes, if provided. | |
| 3400 if ( ((primary = get_ident_or_literal_constant("primary opcode")) == NULL) ) { | |
| 3401 parse_err(SYNERR, "primary hex opcode expected at %c\n", _curchar); | |
| 3402 return NULL; | |
| 3403 } | |
| 3404 skipws(); | |
| 3405 if (_curchar == ',') { | |
| 3406 next_char(); | |
| 3407 skipws(); | |
| 3408 // Parse secondary opcode | |
| 3409 if ( ((secondary = get_ident_or_literal_constant("secondary opcode")) == NULL) ) { | |
| 3410 parse_err(SYNERR, "secondary hex opcode expected at %c\n", _curchar); | |
| 3411 return NULL; | |
| 3412 } | |
| 3413 skipws(); | |
| 3414 if (_curchar == ',') { | |
| 3415 next_char(); | |
| 3416 skipws(); | |
| 3417 // Parse tertiary opcode | |
| 3418 if ( ((tertiary = get_ident_or_literal_constant("tertiary opcode")) == NULL) ) { | |
| 3419 parse_err(SYNERR,"tertiary hex opcode expected at %c\n", _curchar); | |
| 3420 return NULL; | |
| 3421 } | |
| 3422 skipws(); | |
| 3423 } | |
| 3424 } | |
| 3425 skipws(); | |
| 3426 if (_curchar != ')') { | |
| 3427 parse_err(SYNERR, "Missing ')' in opcode description\n"); | |
| 3428 return NULL; | |
| 3429 } | |
| 3430 } | |
| 3431 next_char(); // Skip ')' | |
| 3432 skipws(); | |
| 3433 // Check for terminator | |
| 3434 if (_curchar != ';') { | |
| 3435 parse_err(SYNERR, "missing ';' in ins_attrib definition\n"); | |
| 3436 return NULL; | |
| 3437 } | |
| 3438 next_char(); // Advance past the ';' | |
| 3439 skipws(); // necessary for instr_parse() | |
| 3440 | |
| 3441 // Debug Stuff | |
| 3442 if (_AD._adl_debug > 1) { | |
| 3443 if (primary != NULL) fprintf(stderr,"primary opcode: %s\n", primary); | |
| 3444 if (secondary != NULL) fprintf(stderr,"secondary opcode: %s\n", secondary); | |
| 3445 if (tertiary != NULL) fprintf(stderr,"tertiary opcode: %s\n", tertiary); | |
| 3446 } | |
| 3447 | |
| 3448 // Generate new object and return | |
| 3449 opcode = new Opcode(primary, secondary, tertiary); | |
| 3450 return opcode; | |
| 3451 } | |
| 3452 | |
| 3453 | |
| 3454 //------------------------------interface_parse-------------------------------- | |
| 3455 Interface *ADLParser::interface_parse(void) { | |
| 3456 char *iface_name = NULL; // Name of interface class being used | |
| 3457 char *iface_code = NULL; // Describe components of this class | |
| 3458 | |
| 3459 // Get interface class name | |
| 3460 skipws(); // Skip whitespace | |
| 3461 if (_curchar != '(') { | |
| 3462 parse_err(SYNERR, "Missing '(' at start of interface description.\n"); | |
| 3463 return NULL; | |
| 3464 } | |
| 3465 next_char(); // move past '(' | |
| 3466 skipws(); | |
| 3467 iface_name = get_ident(); | |
| 3468 if (iface_name == NULL) { | |
| 3469 parse_err(SYNERR, "missing interface name after 'interface'.\n"); | |
| 3470 return NULL; | |
| 3471 } | |
| 3472 skipws(); | |
| 3473 if (_curchar != ')') { | |
| 3474 parse_err(SYNERR, "Missing ')' after name of interface.\n"); | |
| 3475 return NULL; | |
| 3476 } | |
| 3477 next_char(); // move past ')' | |
| 3478 | |
| 3479 // Get details of the interface, | |
| 3480 // for the type of interface indicated by iface_name. | |
| 3481 Interface *inter = NULL; | |
| 3482 skipws(); | |
| 3483 if ( _curchar != ';' ) { | |
| 3484 if ( strcmp(iface_name,"MEMORY_INTER") == 0 ) { | |
| 3485 inter = mem_interface_parse(); | |
| 3486 } | |
| 3487 else if ( strcmp(iface_name,"COND_INTER") == 0 ) { | |
| 3488 inter = cond_interface_parse(); | |
| 3489 } | |
| 3490 // The parse routines consume the "%}" | |
| 3491 | |
| 3492 // Check for probable extra ';' after defining block. | |
| 3493 if ( _curchar == ';' ) { | |
| 3494 parse_err(SYNERR, "Extra ';' after defining interface block.\n"); | |
| 3495 next_char(); // Skip ';' | |
| 3496 return NULL; | |
| 3497 } | |
| 3498 } else { | |
| 3499 next_char(); // move past ';' | |
| 3500 | |
| 3501 // Create appropriate interface object | |
| 3502 if ( strcmp(iface_name,"REG_INTER") == 0 ) { | |
| 3503 inter = new RegInterface(); | |
| 3504 } | |
| 3505 else if ( strcmp(iface_name,"CONST_INTER") == 0 ) { | |
| 3506 inter = new ConstInterface(); | |
| 3507 } | |
| 3508 } | |
| 3509 skipws(); // be friendly to oper_parse() | |
| 3510 // Debug Stuff | |
| 3511 if (_AD._adl_debug > 1) fprintf(stderr,"Interface Form: %s\n", iface_name); | |
| 3512 | |
| 3513 // Create appropriate interface object and return. | |
| 3514 return inter; | |
| 3515 } | |
| 3516 | |
| 3517 | |
| 3518 //------------------------------mem_interface_parse---------------------------- | |
| 3519 Interface *ADLParser::mem_interface_parse(void) { | |
| 3520 // Fields for MemInterface | |
| 3521 char *base = NULL; | |
| 3522 char *index = NULL; | |
| 3523 char *scale = NULL; | |
| 3524 char *disp = NULL; | |
| 3525 | |
| 3526 if (_curchar != '%') { | |
|
7996
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mikael
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6850
diff
changeset
|
3527 parse_err(SYNERR, "Missing '%%{' for 'interface' block.\n"); |
| 0 | 3528 return NULL; |
| 3529 } | |
| 3530 next_char(); // Skip '%' | |
| 3531 if (_curchar != '{') { | |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
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6850
diff
changeset
|
3532 parse_err(SYNERR, "Missing '%%{' for 'interface' block.\n"); |
| 0 | 3533 return NULL; |
| 3534 } | |
| 3535 next_char(); // Skip '{' | |
| 3536 skipws(); | |
| 3537 do { | |
| 3538 char *field = get_ident(); | |
| 3539 if (field == NULL) { | |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
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6850
diff
changeset
|
3540 parse_err(SYNERR, "Expected keyword, base|index|scale|disp, or '%%}' ending interface.\n"); |
| 0 | 3541 return NULL; |
| 3542 } | |
| 3543 if ( strcmp(field,"base") == 0 ) { | |
| 3544 base = interface_field_parse(); | |
| 3545 } | |
| 3546 else if ( strcmp(field,"index") == 0 ) { | |
| 3547 index = interface_field_parse(); | |
| 3548 } | |
| 3549 else if ( strcmp(field,"scale") == 0 ) { | |
| 3550 scale = interface_field_parse(); | |
| 3551 } | |
| 3552 else if ( strcmp(field,"disp") == 0 ) { | |
| 3553 disp = interface_field_parse(); | |
| 3554 } | |
| 3555 else { | |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
3556 parse_err(SYNERR, "Expected keyword, base|index|scale|disp, or '%%}' ending interface.\n"); |
| 0 | 3557 return NULL; |
| 3558 } | |
| 3559 } while( _curchar != '%' ); | |
| 3560 next_char(); // Skip '%' | |
| 3561 if ( _curchar != '}' ) { | |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
3562 parse_err(SYNERR, "Missing '%%}' for 'interface' block.\n"); |
| 0 | 3563 return NULL; |
| 3564 } | |
| 3565 next_char(); // Skip '}' | |
| 3566 | |
| 3567 // Construct desired object and return | |
| 3568 Interface *inter = new MemInterface(base, index, scale, disp); | |
| 3569 return inter; | |
| 3570 } | |
| 3571 | |
| 3572 | |
| 3573 //------------------------------cond_interface_parse--------------------------- | |
| 3574 Interface *ADLParser::cond_interface_parse(void) { | |
| 3575 char *equal; | |
| 3576 char *not_equal; | |
| 3577 char *less; | |
| 3578 char *greater_equal; | |
| 3579 char *less_equal; | |
| 3580 char *greater; | |
| 12323 | 3581 char *overflow; |
| 3582 char *no_overflow; | |
|
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diff
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|
3583 const char *equal_format = "eq"; |
|
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0
diff
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|
3584 const char *not_equal_format = "ne"; |
|
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0
diff
changeset
|
3585 const char *less_format = "lt"; |
|
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0
diff
changeset
|
3586 const char *greater_equal_format = "ge"; |
|
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0
diff
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|
3587 const char *less_equal_format = "le"; |
|
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0
diff
changeset
|
3588 const char *greater_format = "gt"; |
| 12323 | 3589 const char *overflow_format = "o"; |
| 3590 const char *no_overflow_format = "no"; | |
| 0 | 3591 |
| 3592 if (_curchar != '%') { | |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
3593 parse_err(SYNERR, "Missing '%%{' for 'cond_interface' block.\n"); |
| 0 | 3594 return NULL; |
| 3595 } | |
| 3596 next_char(); // Skip '%' | |
| 3597 if (_curchar != '{') { | |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
3598 parse_err(SYNERR, "Missing '%%{' for 'cond_interface' block.\n"); |
| 0 | 3599 return NULL; |
| 3600 } | |
| 3601 next_char(); // Skip '{' | |
| 3602 skipws(); | |
| 3603 do { | |
| 3604 char *field = get_ident(); | |
| 3605 if (field == NULL) { | |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
3606 parse_err(SYNERR, "Expected keyword, base|index|scale|disp, or '%%}' ending interface.\n"); |
| 0 | 3607 return NULL; |
| 3608 } | |
| 3609 if ( strcmp(field,"equal") == 0 ) { | |
|
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3610 equal = interface_field_parse(&equal_format); |
| 0 | 3611 } |
| 3612 else if ( strcmp(field,"not_equal") == 0 ) { | |
|
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3613 not_equal = interface_field_parse(¬_equal_format); |
| 0 | 3614 } |
| 3615 else if ( strcmp(field,"less") == 0 ) { | |
|
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3616 less = interface_field_parse(&less_format); |
| 0 | 3617 } |
| 3618 else if ( strcmp(field,"greater_equal") == 0 ) { | |
|
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3619 greater_equal = interface_field_parse(&greater_equal_format); |
| 0 | 3620 } |
| 3621 else if ( strcmp(field,"less_equal") == 0 ) { | |
|
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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parents:
0
diff
changeset
|
3622 less_equal = interface_field_parse(&less_equal_format); |
| 0 | 3623 } |
| 3624 else if ( strcmp(field,"greater") == 0 ) { | |
|
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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0
diff
changeset
|
3625 greater = interface_field_parse(&greater_format); |
| 0 | 3626 } |
| 12323 | 3627 else if ( strcmp(field,"overflow") == 0 ) { |
| 3628 overflow = interface_field_parse(&overflow_format); | |
| 3629 } | |
| 3630 else if ( strcmp(field,"no_overflow") == 0 ) { | |
| 3631 no_overflow = interface_field_parse(&no_overflow_format); | |
| 3632 } | |
| 0 | 3633 else { |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
3634 parse_err(SYNERR, "Expected keyword, base|index|scale|disp, or '%%}' ending interface.\n"); |
| 0 | 3635 return NULL; |
| 3636 } | |
| 3637 } while( _curchar != '%' ); | |
| 3638 next_char(); // Skip '%' | |
| 3639 if ( _curchar != '}' ) { | |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
3640 parse_err(SYNERR, "Missing '%%}' for 'interface' block.\n"); |
| 0 | 3641 return NULL; |
| 3642 } | |
| 3643 next_char(); // Skip '}' | |
| 3644 | |
| 3645 // Construct desired object and return | |
|
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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parents:
0
diff
changeset
|
3646 Interface *inter = new CondInterface(equal, equal_format, |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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parents:
0
diff
changeset
|
3647 not_equal, not_equal_format, |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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parents:
0
diff
changeset
|
3648 less, less_format, |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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parents:
0
diff
changeset
|
3649 greater_equal, greater_equal_format, |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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0
diff
changeset
|
3650 less_equal, less_equal_format, |
| 12323 | 3651 greater, greater_format, |
| 3652 overflow, overflow_format, | |
| 3653 no_overflow, no_overflow_format); | |
| 0 | 3654 return inter; |
| 3655 } | |
| 3656 | |
| 3657 | |
| 3658 //------------------------------interface_field_parse-------------------------- | |
|
415
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6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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diff
changeset
|
3659 char *ADLParser::interface_field_parse(const char ** format) { |
| 0 | 3660 char *iface_field = NULL; |
| 3661 | |
| 3662 // Get interface field | |
| 3663 skipws(); // Skip whitespace | |
| 3664 if (_curchar != '(') { | |
| 3665 parse_err(SYNERR, "Missing '(' at start of interface field.\n"); | |
| 3666 return NULL; | |
| 3667 } | |
| 3668 next_char(); // move past '(' | |
| 3669 skipws(); | |
| 3670 if ( _curchar != '0' && _curchar != '$' ) { | |
| 3671 parse_err(SYNERR, "missing or invalid interface field contents.\n"); | |
| 3672 return NULL; | |
| 3673 } | |
| 3674 iface_field = get_rep_var_ident(); | |
| 3675 if (iface_field == NULL) { | |
| 3676 parse_err(SYNERR, "missing or invalid interface field contents.\n"); | |
| 3677 return NULL; | |
| 3678 } | |
| 3679 skipws(); | |
|
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diff
changeset
|
3680 if (format != NULL && _curchar == ',') { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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parents:
0
diff
changeset
|
3681 next_char(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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0
diff
changeset
|
3682 skipws(); |
|
4d9884b01ba6
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0
diff
changeset
|
3683 if (_curchar != '"') { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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0
diff
changeset
|
3684 parse_err(SYNERR, "Missing '\"' in field format .\n"); |
|
4d9884b01ba6
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parents:
0
diff
changeset
|
3685 return NULL; |
|
4d9884b01ba6
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parents:
0
diff
changeset
|
3686 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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parents:
0
diff
changeset
|
3687 next_char(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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0
diff
changeset
|
3688 char *start = _ptr; // Record start of the next string |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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parents:
0
diff
changeset
|
3689 while ((_curchar != '"') && (_curchar != '%') && (_curchar != '\n')) { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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parents:
0
diff
changeset
|
3690 if (_curchar == '\\') next_char(); // superquote |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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parents:
0
diff
changeset
|
3691 if (_curchar == '\n') parse_err(SYNERR, "newline in string"); // unimplemented! |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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parents:
0
diff
changeset
|
3692 next_char(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3693 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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parents:
0
diff
changeset
|
3694 if (_curchar != '"') { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3695 parse_err(SYNERR, "Missing '\"' at end of field format .\n"); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3696 return NULL; |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3697 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3698 // If a string was found, terminate it and record in FormatRule |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3699 if ( start != _ptr ) { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3700 *_ptr = '\0'; // Terminate the string |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3701 *format = start; |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3702 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3703 next_char(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3704 skipws(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3705 } |
| 0 | 3706 if (_curchar != ')') { |
| 3707 parse_err(SYNERR, "Missing ')' after interface field.\n"); | |
| 3708 return NULL; | |
| 3709 } | |
| 3710 next_char(); // move past ')' | |
| 3711 skipws(); | |
| 3712 if ( _curchar != ';' ) { | |
| 3713 parse_err(SYNERR, "Missing ';' at end of interface field.\n"); | |
| 3714 return NULL; | |
| 3715 } | |
| 3716 next_char(); // move past ';' | |
| 3717 skipws(); // be friendly to interface_parse() | |
| 3718 | |
| 3719 return iface_field; | |
| 3720 } | |
| 3721 | |
| 3722 | |
| 3723 //------------------------------match_parse------------------------------------ | |
| 3724 MatchRule *ADLParser::match_parse(FormDict &operands) { | |
| 3725 MatchRule *match; // Match Rule class for instruction/operand | |
| 3726 char *cnstr = NULL; // Code for constructor | |
| 3727 int depth = 0; // Counter for matching parentheses | |
| 3728 int numleaves = 0; // Counter for number of leaves in rule | |
| 3729 | |
| 3730 // Parse the match rule tree | |
| 3731 MatchNode *mnode = matchNode_parse(operands, depth, numleaves, true); | |
| 3732 | |
| 3733 // Either there is a block with a constructor, or a ';' here | |
| 3734 skipws(); // Skip whitespace | |
| 3735 if ( _curchar == ';' ) { // Semicolon is valid terminator | |
| 3736 cnstr = NULL; // no constructor for this form | |
| 3737 next_char(); // Move past the ';', replaced with '\0' | |
| 3738 } | |
| 3739 else if ((cnstr = find_cpp_block("match constructor")) == NULL ) { | |
| 3740 parse_err(SYNERR, "invalid construction of match rule\n" | |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
3741 "Missing ';' or invalid '%%{' and '%%}' constructor\n"); |
| 0 | 3742 return NULL; // No MatchRule to return |
| 3743 } | |
| 3744 if (_AD._adl_debug > 1) | |
| 3745 if (cnstr) fprintf(stderr,"Match Constructor: %s\n", cnstr); | |
| 3746 // Build new MatchRule object | |
| 3747 match = new MatchRule(_AD, mnode, depth, cnstr, numleaves); | |
| 3748 skipws(); // Skip any trailing whitespace | |
| 3749 return match; // Return MatchRule object | |
| 3750 } | |
| 3751 | |
| 3752 //------------------------------format_parse----------------------------------- | |
| 3753 FormatRule* ADLParser::format_parse(void) { | |
| 3754 char *desc = NULL; | |
| 3755 FormatRule *format = (new FormatRule(desc)); | |
| 3756 | |
| 3757 // Without expression form, MUST have a code block; | |
| 3758 skipws(); // Skip whitespace | |
| 3759 if ( _curchar == ';' ) { // Semicolon is valid terminator | |
| 3760 desc = NULL; // no constructor for this form | |
| 3761 next_char(); // Move past the ';', replaced with '\0' | |
| 3762 } | |
| 3763 else if ( _curchar == '%' && *(_ptr+1) == '{') { | |
| 3764 next_char(); // Move past the '%' | |
| 3765 next_char(); // Move past the '{' | |
| 3766 | |
| 3767 skipws(); | |
|
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3768 if (_curchar == '$') { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3769 char* ident = get_rep_var_ident(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3770 if (strcmp(ident, "$$template") == 0) return template_parse(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3771 parse_err(SYNERR, "Unknown \"%s\" directive in format", ident); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3772 return NULL; |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3773 } |
| 0 | 3774 // Check for the opening '"' inside the format description |
| 3775 if ( _curchar == '"' ) { | |
| 3776 next_char(); // Move past the initial '"' | |
| 3777 if( _curchar == '"' ) { // Handle empty format string case | |
| 3778 *_ptr = '\0'; // Terminate empty string | |
| 3779 format->_strings.addName(_ptr); | |
| 3780 } | |
| 3781 | |
| 3782 // Collect the parts of the format description | |
| 3783 // (1) strings that are passed through to tty->print | |
| 3784 // (2) replacement/substitution variable, preceeded by a '$' | |
| 3785 // (3) multi-token ANSIY C style strings | |
| 3786 while ( true ) { | |
| 3787 if ( _curchar == '%' || _curchar == '\n' ) { | |
| 3788 if ( _curchar != '"' ) { | |
| 3789 parse_err(SYNERR, "missing '\"' at end of format block"); | |
| 3790 return NULL; | |
| 3791 } | |
| 3792 } | |
| 3793 | |
| 3794 // (1) | |
| 3795 // Check if there is a string to pass through to output | |
| 3796 char *start = _ptr; // Record start of the next string | |
| 3797 while ((_curchar != '$') && (_curchar != '"') && (_curchar != '%') && (_curchar != '\n')) { | |
|
475
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
3798 if (_curchar == '\\') { |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
3799 next_char(); // superquote |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
3800 if ((_curchar == '$') || (_curchar == '%')) |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
3801 // hack to avoid % escapes and warnings about undefined \ escapes |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
3802 *(_ptr-1) = _curchar; |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
3803 } |
| 0 | 3804 if (_curchar == '\n') parse_err(SYNERR, "newline in string"); // unimplemented! |
| 3805 next_char(); | |
| 3806 } | |
| 3807 // If a string was found, terminate it and record in FormatRule | |
| 3808 if ( start != _ptr ) { | |
| 3809 *_ptr = '\0'; // Terminate the string | |
| 3810 format->_strings.addName(start); | |
| 3811 } | |
| 3812 | |
| 3813 // (2) | |
| 3814 // If we are at a replacement variable, | |
| 3815 // copy it and record in FormatRule | |
| 3816 if ( _curchar == '$' ) { | |
| 3817 next_char(); // Move past the '$' | |
| 3818 char* rep_var = get_ident(); // Nil terminate the variable name | |
| 3819 rep_var = strdup(rep_var);// Copy the string | |
| 3820 *_ptr = _curchar; // and replace Nil with original character | |
| 3821 format->_rep_vars.addName(rep_var); | |
| 3822 // Add flag to _strings list indicating we should check _rep_vars | |
| 3823 format->_strings.addName(NameList::_signal); | |
| 3824 } | |
| 3825 | |
| 3826 // (3) | |
| 3827 // Allow very long strings to be broken up, | |
| 3828 // using the ANSI C syntax "foo\n" <newline> "bar" | |
| 3829 if ( _curchar == '"') { | |
| 3830 next_char(); // Move past the '"' | |
| 3831 skipws(); // Skip white space before next string token | |
| 3832 if ( _curchar != '"') { | |
| 3833 break; | |
| 3834 } else { | |
| 3835 // Found one. Skip both " and the whitespace in between. | |
| 3836 next_char(); | |
| 3837 } | |
| 3838 } | |
| 3839 } // end while part of format description | |
| 3840 | |
| 3841 // Check for closing '"' and '%}' in format description | |
| 3842 skipws(); // Move to closing '%}' | |
| 3843 if ( _curchar != '%' ) { | |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
3844 parse_err(SYNERR, "non-blank characters between closing '\"' and '%%' in format"); |
| 0 | 3845 return NULL; |
| 3846 } | |
| 3847 } // Done with format description inside | |
| 3848 | |
| 3849 skipws(); | |
| 3850 // Past format description, at '%' | |
| 3851 if ( _curchar != '%' || *(_ptr+1) != '}' ) { | |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
3852 parse_err(SYNERR, "missing '%%}' at end of format block"); |
| 0 | 3853 return NULL; |
| 3854 } | |
| 3855 next_char(); // Move past the '%' | |
| 3856 next_char(); // Move past the '}' | |
| 3857 } | |
| 3858 else { // parameter list alone must terminate with a ';' | |
| 3859 parse_err(SYNERR, "missing ';' after Format expression"); | |
| 3860 return NULL; | |
| 3861 } | |
| 3862 // Debug Stuff | |
| 3863 if (_AD._adl_debug > 1) fprintf(stderr,"Format Rule: %s\n", desc); | |
| 3864 | |
| 3865 skipws(); | |
| 3866 return format; | |
| 3867 } | |
| 3868 | |
| 3869 | |
|
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3870 //------------------------------template_parse----------------------------------- |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3871 FormatRule* ADLParser::template_parse(void) { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3872 char *desc = NULL; |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3873 FormatRule *format = (new FormatRule(desc)); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3874 |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3875 skipws(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3876 while ( (_curchar != '%') && (*(_ptr+1) != '}') ) { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3877 |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3878 // (1) |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3879 // Check if there is a string to pass through to output |
|
603
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3880 { |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3881 char *start = _ptr; // Record start of the next string |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3882 while ((_curchar != '$') && ((_curchar != '%') || (*(_ptr+1) != '}')) ) { |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3883 // If at the start of a comment, skip past it |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3884 if( (_curchar == '/') && ((*(_ptr+1) == '/') || (*(_ptr+1) == '*')) ) { |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3885 skipws_no_preproc(); |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3886 } else { |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3887 // ELSE advance to the next character, or start of the next line |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3888 next_char_or_line(); |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3889 } |
|
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3890 } |
|
603
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3891 // If a string was found, terminate it and record in EncClass |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3892 if ( start != _ptr ) { |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3893 *_ptr = '\0'; // Terminate the string |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3894 // Add flag to _strings list indicating we should check _rep_vars |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3895 format->_strings.addName(NameList::_signal2); |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3896 format->_strings.addName(start); |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3897 } |
|
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3898 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3899 |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3900 // (2) |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3901 // If we are at a replacement variable, |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3902 // copy it and record in EncClass |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3903 if ( _curchar == '$' ) { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3904 // Found replacement Variable |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3905 char *rep_var = get_rep_var_ident_dup(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3906 if (strcmp(rep_var, "$emit") == 0) { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3907 // switch to normal format parsing |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3908 next_char(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3909 next_char(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3910 skipws(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3911 // Check for the opening '"' inside the format description |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3912 if ( _curchar == '"' ) { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3913 next_char(); // Move past the initial '"' |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3914 if( _curchar == '"' ) { // Handle empty format string case |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3915 *_ptr = '\0'; // Terminate empty string |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3916 format->_strings.addName(_ptr); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3917 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3918 |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3919 // Collect the parts of the format description |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3920 // (1) strings that are passed through to tty->print |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3921 // (2) replacement/substitution variable, preceeded by a '$' |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3922 // (3) multi-token ANSIY C style strings |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3923 while ( true ) { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3924 if ( _curchar == '%' || _curchar == '\n' ) { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3925 parse_err(SYNERR, "missing '\"' at end of format block"); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3926 return NULL; |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3927 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3928 |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3929 // (1) |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3930 // Check if there is a string to pass through to output |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3931 char *start = _ptr; // Record start of the next string |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3932 while ((_curchar != '$') && (_curchar != '"') && (_curchar != '%') && (_curchar != '\n')) { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3933 if (_curchar == '\\') next_char(); // superquote |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3934 if (_curchar == '\n') parse_err(SYNERR, "newline in string"); // unimplemented! |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3935 next_char(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3936 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3937 // If a string was found, terminate it and record in FormatRule |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3938 if ( start != _ptr ) { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3939 *_ptr = '\0'; // Terminate the string |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3940 format->_strings.addName(start); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3941 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3942 |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3943 // (2) |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3944 // If we are at a replacement variable, |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3945 // copy it and record in FormatRule |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3946 if ( _curchar == '$' ) { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3947 next_char(); // Move past the '$' |
|
603
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3948 char* next_rep_var = get_ident(); // Nil terminate the variable name |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3949 next_rep_var = strdup(next_rep_var);// Copy the string |
|
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3950 *_ptr = _curchar; // and replace Nil with original character |
|
603
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3951 format->_rep_vars.addName(next_rep_var); |
|
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3952 // Add flag to _strings list indicating we should check _rep_vars |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3953 format->_strings.addName(NameList::_signal); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3954 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3955 |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3956 // (3) |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3957 // Allow very long strings to be broken up, |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3958 // using the ANSI C syntax "foo\n" <newline> "bar" |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3959 if ( _curchar == '"') { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3960 next_char(); // Move past the '"' |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3961 skipws(); // Skip white space before next string token |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3962 if ( _curchar != '"') { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3963 break; |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3964 } else { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3965 // Found one. Skip both " and the whitespace in between. |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3966 next_char(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3967 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3968 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3969 } // end while part of format description |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3970 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3971 } else { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3972 // Add flag to _strings list indicating we should check _rep_vars |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3973 format->_rep_vars.addName(rep_var); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3974 // Add flag to _strings list indicating we should check _rep_vars |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3975 format->_strings.addName(NameList::_signal3); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3976 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3977 } // end while part of format description |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3978 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3979 |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3980 skipws(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3981 // Past format description, at '%' |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3982 if ( _curchar != '%' || *(_ptr+1) != '}' ) { |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
3983 parse_err(SYNERR, "missing '%%}' at end of format block"); |
|
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3984 return NULL; |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3985 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3986 next_char(); // Move past the '%' |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3987 next_char(); // Move past the '}' |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3988 |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3989 // Debug Stuff |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3990 if (_AD._adl_debug > 1) fprintf(stderr,"Format Rule: %s\n", desc); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3991 |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3992 skipws(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3993 return format; |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3994 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3995 |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3996 |
| 0 | 3997 //------------------------------effect_parse----------------------------------- |
| 3998 void ADLParser::effect_parse(InstructForm *instr) { | |
| 3999 char* desc = NULL; | |
| 4000 | |
| 4001 skipws(); // Skip whitespace | |
| 4002 if (_curchar != '(') { | |
| 4003 parse_err(SYNERR, "missing '(' in effect definition\n"); | |
| 4004 return; | |
| 4005 } | |
| 4006 // Get list of effect-operand pairs and insert into dictionary | |
|
4120
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4007 else get_effectlist(instr->_effects, instr->_localNames, instr->_has_call); |
| 0 | 4008 |
| 4009 // Debug Stuff | |
| 4010 if (_AD._adl_debug > 1) fprintf(stderr,"Effect description: %s\n", desc); | |
| 4011 if (_curchar != ';') { | |
| 4012 parse_err(SYNERR, "missing ';' in Effect definition\n"); | |
| 4013 } | |
| 4014 next_char(); // Skip ';' | |
| 4015 | |
| 4016 } | |
| 4017 | |
| 4018 //------------------------------expand_parse----------------------------------- | |
| 4019 ExpandRule* ADLParser::expand_parse(InstructForm *instr) { | |
| 4020 char *ident, *ident2; | |
| 4021 NameAndList *instr_and_operands = NULL; | |
| 4022 ExpandRule *exp = new ExpandRule(); | |
| 4023 | |
|
14431
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4024 // Expand is a block containing an ordered list of operands with initializers, |
|
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4025 // or instructions, each of which has an ordered list of operands. |
| 0 | 4026 // Check for block delimiter |
| 4027 skipws(); // Skip leading whitespace | |
| 4028 if ((_curchar != '%') | |
| 4029 || (next_char(), (_curchar != '{')) ) { // If not open block | |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
4030 parse_err(SYNERR, "missing '%%{' in expand definition\n"); |
| 0 | 4031 return(NULL); |
| 4032 } | |
| 4033 next_char(); // Maintain the invariant | |
| 4034 do { | |
| 4035 ident = get_ident(); // Grab next identifier | |
| 4036 if (ident == NULL) { | |
| 4037 parse_err(SYNERR, "identifier expected at %c\n", _curchar); | |
| 4038 continue; | |
|
14431
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4039 } |
|
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4040 |
|
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4041 // Check whether we should parse an instruction or operand. |
| 0 | 4042 const Form *form = _globalNames[ident]; |
|
14431
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4043 bool parse_oper = false; |
|
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4044 bool parse_ins = false; |
|
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4045 if (form == NULL) { |
|
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4046 skipws(); |
|
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4047 // Check whether this looks like an instruction specification. If so, |
|
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4048 // just parse the instruction. The declaration of the instruction is |
|
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4049 // not needed here. |
|
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4050 if (_curchar == '(') parse_ins = true; |
|
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4051 } else if (form->is_instruction()) { |
|
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4052 parse_ins = true; |
|
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4053 } else if (form->is_operand()) { |
|
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4054 parse_oper = true; |
|
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4055 } else { |
|
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4056 parse_err(SYNERR, "instruction/operand name expected at %s\n", ident); |
|
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4057 continue; |
|
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4058 } |
|
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4059 |
|
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4060 if (parse_oper) { |
| 0 | 4061 // This is a new operand |
|
14431
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4062 OperandForm *oper = form->is_operand(); |
| 0 | 4063 if (oper == NULL) { |
| 4064 parse_err(SYNERR, "instruction/operand name expected at %s\n", ident); | |
| 4065 continue; | |
| 4066 } | |
| 4067 // Throw the operand on the _newopers list | |
| 4068 skipws(); | |
| 4069 ident = get_unique_ident(instr->_localNames,"Operand"); | |
| 4070 if (ident == NULL) { | |
| 4071 parse_err(SYNERR, "identifier expected at %c\n", _curchar); | |
| 4072 continue; | |
| 4073 } | |
| 4074 exp->_newopers.addName(ident); | |
| 4075 // Add new operand to LocalNames | |
| 4076 instr->_localNames.Insert(ident, oper); | |
| 4077 // Grab any constructor code and save as a string | |
| 4078 char *c = NULL; | |
| 4079 skipws(); | |
| 4080 if (_curchar == '%') { // Need a constructor for the operand | |
| 4081 c = find_cpp_block("Operand Constructor"); | |
| 4082 if (c == NULL) { | |
| 4083 parse_err(SYNERR, "Invalid code block for operand constructor\n", _curchar); | |
| 4084 continue; | |
| 4085 } | |
| 4086 // Add constructor to _newopconst Dict | |
| 4087 exp->_newopconst.Insert(ident, c); | |
| 4088 } | |
| 4089 else if (_curchar != ';') { // If no constructor, need a ; | |
| 4090 parse_err(SYNERR, "Missing ; in expand rule operand declaration\n"); | |
| 4091 continue; | |
| 4092 } | |
| 4093 else next_char(); // Skip the ; | |
| 4094 skipws(); | |
| 4095 } | |
| 4096 else { | |
|
14431
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4097 assert(parse_ins, "sanity"); |
| 0 | 4098 // Add instruction to list |
| 4099 instr_and_operands = new NameAndList(ident); | |
| 4100 // Grab operands, build nameList of them, and then put into dictionary | |
| 4101 skipws(); | |
| 4102 if (_curchar != '(') { // Check for parenthesized operand list | |
| 4103 parse_err(SYNERR, "missing '(' in expand instruction declaration\n"); | |
| 4104 continue; | |
| 4105 } | |
| 4106 do { | |
| 4107 next_char(); // skip open paren & comma characters | |
| 4108 skipws(); | |
| 4109 if (_curchar == ')') break; | |
| 4110 ident2 = get_ident(); | |
| 4111 skipws(); | |
| 4112 if (ident2 == NULL) { | |
| 4113 parse_err(SYNERR, "identifier expected at %c\n", _curchar); | |
| 4114 continue; | |
| 4115 } // Check that you have a valid operand | |
|
603
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
4116 const Form *form2 = instr->_localNames[ident2]; |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
4117 if (!form2) { |
| 0 | 4118 parse_err(SYNERR, "operand name expected at %s\n", ident2); |
| 4119 continue; | |
| 4120 } | |
|
14431
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4121 OperandForm *oper = form2->is_operand(); |
|
603
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
4122 if (oper == NULL && !form2->is_opclass()) { |
| 0 | 4123 parse_err(SYNERR, "operand name expected at %s\n", ident2); |
| 4124 continue; | |
| 4125 } // Add operand to list | |
| 4126 instr_and_operands->add_entry(ident2); | |
| 4127 } while(_curchar == ','); | |
| 4128 if (_curchar != ')') { | |
| 4129 parse_err(SYNERR, "missing ')'in expand instruction declaration\n"); | |
| 4130 continue; | |
| 4131 } | |
| 4132 next_char(); | |
| 4133 if (_curchar != ';') { | |
| 4134 parse_err(SYNERR, "missing ';'in expand instruction declaration\n"); | |
| 4135 continue; | |
| 4136 } | |
| 4137 next_char(); | |
| 4138 | |
| 4139 // Record both instruction name and its operand list | |
| 4140 exp->add_instruction(instr_and_operands); | |
| 4141 | |
| 4142 skipws(); | |
| 4143 } | |
| 4144 | |
| 4145 } while(_curchar != '%'); | |
| 4146 next_char(); | |
| 4147 if (_curchar != '}') { | |
|
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|
4148 parse_err(SYNERR, "missing '%%}' in expand rule definition\n"); |
| 0 | 4149 return(NULL); |
| 4150 } | |
| 4151 next_char(); | |
| 4152 | |
| 4153 // Debug Stuff | |
| 4154 if (_AD._adl_debug > 1) fprintf(stderr,"Expand Rule:\n"); | |
| 4155 | |
| 4156 skipws(); | |
| 4157 return (exp); | |
| 4158 } | |
| 4159 | |
| 4160 //------------------------------rewrite_parse---------------------------------- | |
| 4161 RewriteRule* ADLParser::rewrite_parse(void) { | |
| 4162 char* params = NULL; | |
| 4163 char* desc = NULL; | |
| 4164 | |
| 4165 | |
| 4166 // This feature targeted for second generation description language. | |
| 4167 | |
| 4168 skipws(); // Skip whitespace | |
| 4169 // Get parameters for rewrite | |
| 4170 if ((params = get_paren_expr("rewrite parameters")) == NULL) { | |
| 4171 parse_err(SYNERR, "missing '(' in rewrite rule\n"); | |
| 4172 return NULL; | |
| 4173 } | |
| 4174 // Debug Stuff | |
| 4175 if (_AD._adl_debug > 1) fprintf(stderr,"Rewrite parameters: %s\n", params); | |
| 4176 | |
| 4177 // For now, grab entire block; | |
| 4178 skipws(); | |
| 4179 if ( (desc = find_cpp_block("rewrite block")) == NULL ) { | |
| 4180 parse_err(SYNERR, "incorrect or missing block for 'rewrite'.\n"); | |
| 4181 return NULL; | |
| 4182 } | |
| 4183 // Debug Stuff | |
| 4184 if (_AD._adl_debug > 1) fprintf(stderr,"Rewrite Rule: %s\n", desc); | |
| 4185 | |
| 4186 skipws(); | |
| 4187 return (new RewriteRule(params,desc)); | |
| 4188 } | |
| 4189 | |
| 4190 //------------------------------attr_parse------------------------------------- | |
| 4191 Attribute *ADLParser::attr_parse(char* ident) { | |
| 4192 Attribute *attrib; // Attribute class | |
| 4193 char *cost = NULL; // String representation of cost attribute | |
| 4194 | |
| 4195 skipws(); // Skip leading whitespace | |
| 4196 if ( (cost = get_paren_expr("attribute")) == NULL ) { | |
| 4197 parse_err(SYNERR, "incorrect or missing expression for 'attribute'\n"); | |
| 4198 return NULL; | |
| 4199 } | |
| 4200 // Debug Stuff | |
| 4201 if (_AD._adl_debug > 1) fprintf(stderr,"Attribute: %s\n", cost); | |
| 4202 if (_curchar != ';') { | |
| 4203 parse_err(SYNERR, "missing ';' in attribute definition\n"); | |
| 4204 return NULL; | |
| 4205 } | |
| 4206 next_char(); // Point after the terminator | |
| 4207 | |
| 4208 skipws(); | |
| 4209 attrib = new Attribute(ident,cost,INS_ATTR); // Build new predicate object | |
| 4210 return attrib; | |
| 4211 } | |
| 4212 | |
| 4213 | |
| 4214 //------------------------------matchNode_parse-------------------------------- | |
| 4215 MatchNode *ADLParser::matchNode_parse(FormDict &operands, int &depth, int &numleaves, bool atroot) { | |
| 4216 // Count depth of parenthesis nesting for both left and right children | |
| 4217 int lParens = depth; | |
| 4218 int rParens = depth; | |
| 4219 | |
| 4220 // MatchNode objects for left, right, and root of subtree. | |
| 4221 MatchNode *lChild = NULL; | |
| 4222 MatchNode *rChild = NULL; | |
| 4223 char *token; // Identifier which may be opcode or operand | |
| 4224 | |
| 4225 // Match expression starts with a '(' | |
| 4226 if (cur_char() != '(') | |
| 4227 return NULL; | |
| 4228 | |
| 4229 next_char(); // advance past '(' | |
| 4230 | |
| 4231 // Parse the opcode | |
| 4232 token = get_ident(); // Get identifier, opcode | |
| 4233 if (token == NULL) { | |
| 4234 parse_err(SYNERR, "missing opcode in match expression\n"); | |
| 4235 return NULL; | |
| 4236 } | |
| 4237 | |
| 4238 // Take note if we see one of a few special operations - those that are | |
| 4239 // treated differently on different architectures in the sense that on | |
| 4240 // one architecture there is a match rule and on another there isn't (so | |
| 4241 // a call will eventually be generated). | |
| 4242 | |
| 4243 for (int i = _last_machine_leaf + 1; i < _last_opcode; i++) { | |
| 4244 if (strcmp(token, NodeClassNames[i]) == 0) { | |
| 4245 _AD.has_match_rule(i, true); | |
| 4246 } | |
| 4247 } | |
| 4248 | |
| 4249 // Lookup the root value in the operands dict to perform substitution | |
| 4250 const char *result = NULL; // Result type will be filled in later | |
| 4251 const char *name = token; // local name associated with this node | |
| 4252 const char *operation = token; // remember valid operation for later | |
| 4253 const Form *form = operands[token]; | |
| 4254 OpClassForm *opcForm = form ? form->is_opclass() : NULL; | |
| 4255 if (opcForm != NULL) { | |
| 4256 // If this token is an entry in the local names table, record its type | |
| 4257 if (!opcForm->ideal_only()) { | |
| 4258 operation = opcForm->_ident; | |
| 4259 result = operation; // Operands result in their own type | |
| 4260 } | |
| 4261 // Otherwise it is an ideal type, and so, has no local name | |
| 4262 else name = NULL; | |
| 4263 } | |
| 4264 | |
| 4265 // Parse the operands | |
| 4266 skipws(); | |
| 4267 if (cur_char() != ')') { | |
| 4268 | |
| 4269 // Parse the left child | |
| 4270 if (strcmp(operation,"Set")) | |
| 4271 lChild = matchChild_parse(operands, lParens, numleaves, false); | |
| 4272 else | |
| 4273 lChild = matchChild_parse(operands, lParens, numleaves, true); | |
| 4274 | |
| 4275 skipws(); | |
| 4276 if (cur_char() != ')' ) { | |
| 4277 if(strcmp(operation, "Set")) | |
| 4278 rChild = matchChild_parse(operands,rParens,numleaves,false); | |
| 4279 else | |
| 4280 rChild = matchChild_parse(operands,rParens,numleaves,true); | |
| 4281 } | |
| 4282 } | |
| 4283 | |
| 4284 // Check for required ')' | |
| 4285 skipws(); | |
| 4286 if (cur_char() != ')') { | |
| 4287 parse_err(SYNERR, "missing ')' in match expression\n"); | |
| 4288 return NULL; | |
| 4289 } | |
| 4290 next_char(); // skip the ')' | |
| 4291 | |
| 4292 MatchNode* mroot = new MatchNode(_AD,result,name,operation,lChild,rChild); | |
| 4293 | |
| 4294 // If not the root, reduce this subtree to an internal operand | |
| 4295 if (!atroot) { | |
| 4296 mroot->build_internalop(); | |
| 4297 } | |
| 4298 // depth is greater of left and right paths. | |
| 4299 depth = (lParens > rParens) ? lParens : rParens; | |
| 4300 | |
| 4301 return mroot; | |
| 4302 } | |
| 4303 | |
| 4304 | |
| 4305 //------------------------------matchChild_parse------------------------------- | |
| 4306 MatchNode *ADLParser::matchChild_parse(FormDict &operands, int &parens, int &numleaves, bool atroot) { | |
| 4307 MatchNode *child = NULL; | |
| 4308 const char *result = NULL; | |
| 4309 const char *token = NULL; | |
| 4310 const char *opType = NULL; | |
| 4311 | |
| 4312 if (cur_char() == '(') { // child is an operation | |
| 4313 ++parens; | |
| 4314 child = matchNode_parse(operands, parens, numleaves, atroot); | |
| 4315 } | |
| 4316 else { // child is an operand | |
| 4317 token = get_ident(); | |
| 4318 const Form *form = operands[token]; | |
| 4319 OpClassForm *opcForm = form ? form->is_opclass() : NULL; | |
| 4320 if (opcForm != NULL) { | |
| 4321 opType = opcForm->_ident; | |
| 4322 result = opcForm->_ident; // an operand's result matches its type | |
| 4323 } else { | |
| 4324 parse_err(SYNERR, "undefined operand %s in match rule\n", token); | |
| 4325 return NULL; | |
| 4326 } | |
| 4327 | |
| 4328 if (opType == NULL) { | |
| 4329 parse_err(SYNERR, "missing type for argument '%s'\n", token); | |
| 4330 } | |
| 4331 | |
| 4332 child = new MatchNode(_AD, result, token, opType); | |
| 4333 ++numleaves; | |
| 4334 } | |
| 4335 | |
| 4336 return child; | |
| 4337 } | |
| 4338 | |
| 4339 | |
| 4340 | |
| 4341 // ******************** Private Utility Functions ************************* | |
| 4342 | |
| 4343 | |
| 4344 char* ADLParser::find_cpp_block(const char* description) { | |
| 4345 char *next; // Pointer for finding block delimiters | |
| 4346 char* cppBlock = NULL; // Beginning of C++ code block | |
| 4347 | |
| 4348 if (_curchar == '%') { // Encoding is a C++ expression | |
| 4349 next_char(); | |
| 4350 if (_curchar != '{') { | |
| 4351 parse_err(SYNERR, "missing '{' in %s \n", description); | |
| 4352 return NULL; | |
| 4353 } | |
| 4354 next_char(); // Skip block delimiter | |
| 4355 skipws_no_preproc(); // Skip leading whitespace | |
| 4356 cppBlock = _ptr; // Point to start of expression | |
|
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4357 int line = linenum(); |
| 0 | 4358 next = _ptr + 1; |
| 4359 while(((_curchar != '%') || (*next != '}')) && (_curchar != '\0')) { | |
| 4360 next_char_or_line(); | |
| 4361 next = _ptr+1; // Maintain the next pointer | |
| 4362 } // Grab string | |
| 4363 if (_curchar == '\0') { | |
| 4364 parse_err(SYNERR, "invalid termination of %s \n", description); | |
| 4365 return NULL; | |
| 4366 } | |
| 4367 *_ptr = '\0'; // Terminate string | |
| 4368 _ptr += 2; // Skip block delimiter | |
| 4369 _curchar = *_ptr; // Maintain invariant | |
| 4370 | |
| 4371 // Prepend location descriptor, for debugging. | |
|
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4372 if (_AD._adlocation_debug) { |
|
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4373 char* location = get_line_string(line); |
|
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4374 char* end_loc = end_line_marker(); |
|
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4375 char* result = (char *)malloc(strlen(location) + strlen(cppBlock) + strlen(end_loc) + 1); |
|
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4376 strcpy(result, location); |
|
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|
4377 strcat(result, cppBlock); |
|
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|
4378 strcat(result, end_loc); |
|
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|
4379 cppBlock = result; |
|
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|
4380 free(location); |
|
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|
4381 } |
| 0 | 4382 } |
| 4383 | |
| 4384 return cppBlock; | |
| 4385 } | |
| 4386 | |
| 4387 // Move to the closing token of the expression we are currently at, | |
| 4388 // as defined by stop_chars. Match parens and quotes. | |
| 4389 char* ADLParser::get_expr(const char *desc, const char *stop_chars) { | |
| 4390 char* expr = NULL; | |
| 4391 int paren = 0; | |
| 4392 | |
| 4393 expr = _ptr; | |
| 4394 while (paren > 0 || !strchr(stop_chars, _curchar)) { | |
| 4395 if (_curchar == '(') { // Down level of nesting | |
| 4396 paren++; // Bump the parenthesis counter | |
| 4397 next_char(); // maintain the invariant | |
| 4398 } | |
| 4399 else if (_curchar == ')') { // Up one level of nesting | |
| 4400 if (paren == 0) { | |
| 4401 // Paren underflow: We didn't encounter the required stop-char. | |
| 4402 parse_err(SYNERR, "too many )'s, did not find %s after %s\n", | |
| 4403 stop_chars, desc); | |
| 4404 return NULL; | |
| 4405 } | |
| 4406 paren--; // Drop the parenthesis counter | |
| 4407 next_char(); // Maintain the invariant | |
| 4408 } | |
| 4409 else if (_curchar == '"' || _curchar == '\'') { | |
| 4410 int qchar = _curchar; | |
| 4411 while (true) { | |
| 4412 next_char(); | |
| 4413 if (_curchar == qchar) { next_char(); break; } | |
| 4414 if (_curchar == '\\') next_char(); // superquote | |
| 4415 if (_curchar == '\n' || _curchar == '\0') { | |
| 4416 parse_err(SYNERR, "newline in string in %s\n", desc); | |
| 4417 return NULL; | |
| 4418 } | |
| 4419 } | |
| 4420 } | |
| 4421 else if (_curchar == '%' && (_ptr[1] == '{' || _ptr[1] == '}')) { | |
| 4422 // Make sure we do not stray into the next ADLC-level form. | |
| 4423 parse_err(SYNERR, "unexpected %%%c in %s\n", _ptr[1], desc); | |
| 4424 return NULL; | |
| 4425 } | |
| 4426 else if (_curchar == '\0') { | |
| 4427 parse_err(SYNERR, "unexpected EOF in %s\n", desc); | |
| 4428 return NULL; | |
| 4429 } | |
| 4430 else { | |
| 4431 // Always walk over whitespace, comments, preprocessor directives, etc. | |
| 4432 char* pre_skip_ptr = _ptr; | |
| 4433 skipws(); | |
| 4434 // If the parser declined to make progress on whitespace, | |
| 4435 // skip the next character, which is therefore NOT whitespace. | |
| 4436 if (pre_skip_ptr == _ptr) { | |
| 4437 next_char(); | |
| 4438 } else if (pre_skip_ptr+strlen(pre_skip_ptr) != _ptr+strlen(_ptr)) { | |
| 4439 parse_err(SYNERR, "unimplemented: preprocessor must not elide subexpression in %s", desc); | |
| 4440 } | |
| 4441 } | |
| 4442 } | |
| 4443 | |
| 4444 assert(strchr(stop_chars, _curchar), "non-null return must be at stop-char"); | |
| 4445 *_ptr = '\0'; // Replace ')' or other stop-char with '\0' | |
| 4446 return expr; | |
| 4447 } | |
| 4448 | |
| 4449 // Helper function around get_expr | |
| 4450 // Sets _curchar to '(' so that get_paren_expr will search for a matching ')' | |
|
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4451 char *ADLParser::get_paren_expr(const char *description, bool include_location) { |
|
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|
4452 int line = linenum(); |
| 0 | 4453 if (_curchar != '(') // Escape if not valid starting position |
| 4454 return NULL; | |
| 4455 next_char(); // Skip the required initial paren. | |
| 4456 char *token2 = get_expr(description, ")"); | |
| 4457 if (_curchar == ')') | |
| 4458 next_char(); // Skip required final paren. | |
|
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|
4459 int junk = 0; |
|
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|
4460 if (include_location && _AD._adlocation_debug && !is_int_token(token2, junk)) { |
|
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|
4461 // Prepend location descriptor, for debugging. |
|
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|
4462 char* location = get_line_string(line); |
|
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4463 char* end_loc = end_line_marker(); |
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4464 char* result = (char *)malloc(strlen(location) + strlen(token2) + strlen(end_loc) + 1); |
|
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4465 strcpy(result, location); |
|
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|
4466 strcat(result, token2); |
|
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|
4467 strcat(result, end_loc); |
|
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|
4468 token2 = result; |
|
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|
4469 free(location); |
|
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|
4470 } |
| 0 | 4471 return token2; |
| 4472 } | |
| 4473 | |
| 4474 //------------------------------get_ident_common------------------------------- | |
| 4475 // Looks for an identifier in the buffer, and turns it into a null terminated | |
| 4476 // string(still inside the file buffer). Returns a pointer to the string or | |
| 4477 // NULL if some other token is found instead. | |
| 4478 char *ADLParser::get_ident_common(bool do_preproc) { | |
| 4479 register char c; | |
| 4480 char *start; // Pointer to start of token | |
| 4481 char *end; // Pointer to end of token | |
| 4482 | |
| 4483 if( _curline == NULL ) // Return NULL at EOF. | |
| 4484 return NULL; | |
| 4485 | |
| 4486 skipws_common(do_preproc); // Skip whitespace before identifier | |
| 4487 start = end = _ptr; // Start points at first character | |
| 4488 end--; // unwind end by one to prepare for loop | |
| 4489 do { | |
| 4490 end++; // Increment end pointer | |
| 4491 c = *end; // Grab character to test | |
| 4492 } while ( ((c >= 'a') && (c <= 'z')) || ((c >= 'A') && (c <= 'Z')) | |
| 4493 || ((c >= '0') && (c <= '9')) | |
| 4494 || ((c == '_')) || ((c == ':')) || ((c == '#')) ); | |
| 4495 if (start == end) { // We popped out on the first try | |
| 6850 | 4496 // It can occur that `start' contains the rest of the input file. |
| 4497 // In this case the output should be truncated. | |
| 4498 if (strlen(start) > 24) { | |
| 4499 char buf[32]; | |
| 4500 strncpy(buf, start, 20); | |
| 4501 buf[20] = '\0'; | |
| 4502 strcat(buf, "[...]"); | |
| 4503 parse_err(SYNERR, "Identifier expected, but found '%s'.", buf); | |
| 4504 } else { | |
| 4505 parse_err(SYNERR, "Identifier expected, but found '%s'.", start); | |
| 4506 } | |
| 0 | 4507 start = NULL; |
| 4508 } | |
| 4509 else { | |
| 4510 _curchar = c; // Save the first character of next token | |
| 4511 *end = '\0'; // NULL terminate the string in place | |
| 4512 } | |
| 4513 _ptr = end; // Reset _ptr to point to next char after token | |
| 4514 | |
| 4515 // Make sure we do not try to use #defined identifiers. If start is | |
| 4516 // NULL an error was already reported. | |
| 4517 if (do_preproc && start != NULL) { | |
| 4518 const char* def = _AD.get_preproc_def(start); | |
| 4519 if (def != NULL && strcmp(def, start)) { | |
|
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4520 const char* def1 = def; |
|
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4521 const char* def2 = _AD.get_preproc_def(def1); |
|
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|
4522 // implement up to 2 levels of #define |
|
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4523 if (def2 != NULL && strcmp(def2, def1)) { |
|
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4524 def = def2; |
|
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|
4525 const char* def3 = _AD.get_preproc_def(def2); |
|
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4526 if (def3 != NULL && strcmp(def3, def2) && strcmp(def3, def1)) { |
|
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|
4527 parse_err(SYNERR, "unimplemented: using %s defined as %s => %s => %s", |
|
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|
4528 start, def1, def2, def3); |
|
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|
4529 } |
| 0 | 4530 } |
| 4531 start = strdup(def); | |
| 4532 } | |
| 4533 } | |
| 4534 | |
| 4535 return start; // Pointer to token in filebuf | |
| 4536 } | |
| 4537 | |
| 4538 //------------------------------get_ident_dup---------------------------------- | |
| 4539 // Looks for an identifier in the buffer, and returns a duplicate | |
| 4540 // or NULL if some other token is found instead. | |
| 4541 char *ADLParser::get_ident_dup(void) { | |
| 4542 char *ident = get_ident(); | |
| 4543 | |
| 4544 // Duplicate an identifier before returning and restore string. | |
| 4545 if( ident != NULL ) { | |
| 4546 ident = strdup(ident); // Copy the string | |
| 4547 *_ptr = _curchar; // and replace Nil with original character | |
| 4548 } | |
| 4549 | |
| 4550 return ident; | |
| 4551 } | |
| 4552 | |
| 4553 //----------------------get_ident_or_literal_constant-------------------------- | |
| 4554 // Looks for an identifier in the buffer, or a parenthesized expression. | |
| 4555 char *ADLParser::get_ident_or_literal_constant(const char* description) { | |
| 4556 char* param = NULL; | |
| 4557 skipws(); | |
| 4558 if (_curchar == '(') { | |
| 4559 // Grab a constant expression. | |
| 4560 param = get_paren_expr(description); | |
| 4561 if (param[0] != '(') { | |
| 4562 char* buf = (char*) malloc(strlen(param) + 3); | |
| 4563 sprintf(buf, "(%s)", param); | |
| 4564 param = buf; | |
| 4565 } | |
| 4566 assert(is_literal_constant(param), | |
| 4567 "expr must be recognizable as a constant"); | |
| 4568 } else { | |
| 4569 param = get_ident(); | |
| 4570 } | |
| 4571 return param; | |
| 4572 } | |
| 4573 | |
| 4574 //------------------------------get_rep_var_ident----------------------------- | |
| 4575 // Do NOT duplicate, | |
| 4576 // Leave nil terminator in buffer | |
| 4577 // Preserve initial '$'(s) in string | |
| 4578 char *ADLParser::get_rep_var_ident(void) { | |
| 4579 // Remember starting point | |
| 4580 char *rep_var = _ptr; | |
| 4581 | |
| 4582 // Check for replacement variable indicator '$' and pass if present | |
| 4583 if ( _curchar == '$' ) { | |
| 4584 next_char(); | |
| 4585 } | |
| 4586 // Check for a subfield indicator, a second '$', and pass if present | |
| 4587 if ( _curchar == '$' ) { | |
| 4588 next_char(); | |
| 4589 } | |
| 4590 | |
| 4591 // Check for a control indicator, a third '$': | |
| 4592 if ( _curchar == '$' ) { | |
| 4593 next_char(); | |
| 4594 } | |
| 4595 | |
| 4596 // Check for more than three '$'s in sequence, SYNERR | |
| 4597 if( _curchar == '$' ) { | |
| 4598 parse_err(SYNERR, "Replacement variables and field specifiers can not start with '$$$$'"); | |
| 4599 next_char(); | |
| 4600 return NULL; | |
| 4601 } | |
| 4602 | |
| 4603 // Nil terminate the variable name following the '$' | |
| 4604 char *rep_var_name = get_ident(); | |
| 4605 assert( rep_var_name != NULL, | |
| 4606 "Missing identifier after replacement variable indicator '$'"); | |
| 4607 | |
| 4608 return rep_var; | |
| 4609 } | |
| 4610 | |
| 4611 | |
| 4612 | |
| 4613 //------------------------------get_rep_var_ident_dup------------------------- | |
| 4614 // Return the next replacement variable identifier, skipping first '$' | |
| 4615 // given a pointer into a line of the buffer. | |
| 4616 // Null terminates string, still inside the file buffer, | |
| 4617 // Returns a pointer to a copy of the string, or NULL on failure | |
| 4618 char *ADLParser::get_rep_var_ident_dup(void) { | |
| 4619 if( _curchar != '$' ) return NULL; | |
| 4620 | |
| 4621 next_char(); // Move past the '$' | |
| 4622 char *rep_var = _ptr; // Remember starting point | |
| 4623 | |
| 4624 // Check for a subfield indicator, a second '$': | |
| 4625 if ( _curchar == '$' ) { | |
| 4626 next_char(); | |
| 4627 } | |
| 4628 | |
| 4629 // Check for a control indicator, a third '$': | |
| 4630 if ( _curchar == '$' ) { | |
| 4631 next_char(); | |
| 4632 } | |
| 4633 | |
| 4634 // Check for more than three '$'s in sequence, SYNERR | |
| 4635 if( _curchar == '$' ) { | |
| 4636 parse_err(SYNERR, "Replacement variables and field specifiers can not start with '$$$$'"); | |
| 4637 next_char(); | |
| 4638 return NULL; | |
| 4639 } | |
| 4640 | |
| 4641 // Nil terminate the variable name following the '$' | |
| 4642 char *rep_var_name = get_ident(); | |
| 4643 assert( rep_var_name != NULL, | |
| 4644 "Missing identifier after replacement variable indicator '$'"); | |
| 4645 rep_var = strdup(rep_var); // Copy the string | |
| 4646 *_ptr = _curchar; // and replace Nil with original character | |
| 4647 | |
| 4648 return rep_var; | |
| 4649 } | |
| 4650 | |
| 4651 | |
| 4652 //------------------------------get_unique_ident------------------------------ | |
| 4653 // Looks for an identifier in the buffer, terminates it with a NULL, | |
| 4654 // and checks that it is unique | |
| 4655 char *ADLParser::get_unique_ident(FormDict& dict, const char* nameDescription){ | |
| 4656 char* ident = get_ident(); | |
| 4657 | |
| 4658 if (ident == NULL) { | |
| 4659 parse_err(SYNERR, "missing %s identifier at %c\n", nameDescription, _curchar); | |
| 4660 } | |
| 4661 else { | |
| 4662 if (dict[ident] != NULL) { | |
| 4663 parse_err(SYNERR, "duplicate name %s for %s\n", ident, nameDescription); | |
| 4664 ident = NULL; | |
| 4665 } | |
| 4666 } | |
| 4667 | |
| 4668 return ident; | |
| 4669 } | |
| 4670 | |
| 4671 | |
| 4672 //------------------------------get_int---------------------------------------- | |
| 4673 // Looks for a character string integer in the buffer, and turns it into an int | |
| 4674 // invokes a parse_err if the next token is not an integer. | |
| 4675 // This routine does not leave the integer null-terminated. | |
| 4676 int ADLParser::get_int(void) { | |
| 4677 register char c; | |
| 4678 char *start; // Pointer to start of token | |
| 4679 char *end; // Pointer to end of token | |
| 4680 int result; // Storage for integer result | |
| 4681 | |
| 4682 if( _curline == NULL ) // Return NULL at EOF. | |
|
603
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
4683 return 0; |
| 0 | 4684 |
| 4685 skipws(); // Skip whitespace before identifier | |
| 4686 start = end = _ptr; // Start points at first character | |
| 4687 c = *end; // Grab character to test | |
| 4688 while ((c >= '0') && (c <= '9') | |
| 4689 || ((c == '-') && (end == start))) { | |
| 4690 end++; // Increment end pointer | |
| 4691 c = *end; // Grab character to test | |
| 4692 } | |
| 4693 if (start == end) { // We popped out on the first try | |
| 4694 parse_err(SYNERR, "integer expected at %c\n", c); | |
| 4695 result = 0; | |
| 4696 } | |
| 4697 else { | |
| 4698 _curchar = c; // Save the first character of next token | |
| 4699 *end = '\0'; // NULL terminate the string in place | |
| 4700 result = atoi(start); // Convert the string to an integer | |
| 4701 *end = _curchar; // Restore buffer to original condition | |
| 4702 } | |
| 4703 | |
| 4704 // Reset _ptr to next char after token | |
| 4705 _ptr = end; | |
| 4706 | |
| 4707 return result; // integer | |
| 4708 } | |
| 4709 | |
| 4710 | |
| 4711 //------------------------------get_relation_dup------------------------------ | |
| 4712 // Looks for a relational operator in the buffer | |
| 4713 // invokes a parse_err if the next token is not a relation | |
| 4714 // This routine creates a duplicate of the string in the buffer. | |
| 4715 char *ADLParser::get_relation_dup(void) { | |
| 4716 char *result = NULL; // relational operator being returned | |
| 4717 | |
| 4718 if( _curline == NULL ) // Return NULL at EOF. | |
| 4719 return NULL; | |
| 4720 | |
| 4721 skipws(); // Skip whitespace before relation | |
| 4722 char *start = _ptr; // Store start of relational operator | |
| 4723 char first = *_ptr; // the first character | |
| 4724 if( (first == '=') || (first == '!') || (first == '<') || (first == '>') ) { | |
| 4725 next_char(); | |
| 4726 char second = *_ptr; // the second character | |
| 4727 if( (second == '=') ) { | |
| 4728 next_char(); | |
| 4729 char tmp = *_ptr; | |
| 4730 *_ptr = '\0'; // NULL terminate | |
| 4731 result = strdup(start); // Duplicate the string | |
| 4732 *_ptr = tmp; // restore buffer | |
| 4733 } else { | |
| 4734 parse_err(SYNERR, "relational operator expected at %s\n", _ptr); | |
| 4735 } | |
| 4736 } else { | |
| 4737 parse_err(SYNERR, "relational operator expected at %s\n", _ptr); | |
| 4738 } | |
| 4739 | |
| 4740 return result; | |
| 4741 } | |
| 4742 | |
| 4743 | |
| 4744 | |
| 4745 //------------------------------get_oplist------------------------------------- | |
| 4746 // Looks for identifier pairs where first must be the name of an operand, and | |
| 4747 // second must be a name unique in the scope of this instruction. Stores the | |
| 4748 // names with a pointer to the OpClassForm of their type in a local name table. | |
| 4749 void ADLParser::get_oplist(NameList ¶meters, FormDict &operands) { | |
| 4750 OpClassForm *opclass = NULL; | |
| 4751 char *ident = NULL; | |
| 4752 | |
| 4753 do { | |
| 4754 next_char(); // skip open paren & comma characters | |
| 4755 skipws(); | |
| 4756 if (_curchar == ')') break; | |
| 4757 | |
| 4758 // Get operand type, and check it against global name table | |
| 4759 ident = get_ident(); | |
| 4760 if (ident == NULL) { | |
| 4761 parse_err(SYNERR, "optype identifier expected at %c\n", _curchar); | |
| 4762 return; | |
| 4763 } | |
| 4764 else { | |
| 4765 const Form *form = _globalNames[ident]; | |
| 4766 if( form == NULL ) { | |
| 4767 parse_err(SYNERR, "undefined operand type %s\n", ident); | |
| 4768 return; | |
| 4769 } | |
| 4770 | |
| 4771 // Check for valid operand type | |
| 4772 OpClassForm *opc = form->is_opclass(); | |
| 4773 OperandForm *oper = form->is_operand(); | |
| 4774 if((oper == NULL) && (opc == NULL)) { | |
| 4775 parse_err(SYNERR, "identifier %s not operand type\n", ident); | |
| 4776 return; | |
| 4777 } | |
| 4778 opclass = opc; | |
| 4779 } | |
| 4780 // Debugging Stuff | |
| 4781 if (_AD._adl_debug > 1) fprintf(stderr, "\tOperand Type: %s\t", ident); | |
| 4782 | |
| 4783 // Get name of operand and add it to local name table | |
| 4784 if( (ident = get_unique_ident(operands, "operand")) == NULL) { | |
| 4785 return; | |
| 4786 } | |
| 4787 // Parameter names must not be global names. | |
| 4788 if( _globalNames[ident] != NULL ) { | |
| 4789 parse_err(SYNERR, "Reuse of global name %s as operand.\n",ident); | |
| 4790 return; | |
| 4791 } | |
| 4792 operands.Insert(ident, opclass); | |
| 4793 parameters.addName(ident); | |
| 4794 | |
| 4795 // Debugging Stuff | |
| 4796 if (_AD._adl_debug > 1) fprintf(stderr, "\tOperand Name: %s\n", ident); | |
| 4797 skipws(); | |
| 4798 } while(_curchar == ','); | |
| 4799 | |
| 4800 if (_curchar != ')') parse_err(SYNERR, "missing ')'\n"); | |
| 4801 else { | |
| 4802 next_char(); // set current character position past the close paren | |
| 4803 } | |
| 4804 } | |
| 4805 | |
| 4806 | |
| 4807 //------------------------------get_effectlist--------------------------------- | |
| 4808 // Looks for identifier pairs where first must be the name of a pre-defined, | |
| 4809 // effect, and the second must be the name of an operand defined in the | |
| 4810 // operand list of this instruction. Stores the names with a pointer to the | |
| 4811 // effect form in a local effects table. | |
|
4120
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4812 void ADLParser::get_effectlist(FormDict &effects, FormDict &operands, bool& has_call) { |
| 0 | 4813 OperandForm *opForm; |
| 4814 Effect *eForm; | |
| 4815 char *ident; | |
| 4816 | |
| 4817 do { | |
| 4818 next_char(); // skip open paren & comma characters | |
| 4819 skipws(); | |
| 4820 if (_curchar == ')') break; | |
| 4821 | |
| 4822 // Get effect type, and check it against global name table | |
| 4823 ident = get_ident(); | |
| 4824 if (ident == NULL) { | |
| 4825 parse_err(SYNERR, "effect type identifier expected at %c\n", _curchar); | |
| 4826 return; | |
| 4827 } | |
| 4828 else { | |
| 4829 // Check for valid effect type | |
| 4830 const Form *form = _globalNames[ident]; | |
| 4831 if( form == NULL ) { | |
| 4832 parse_err(SYNERR, "undefined effect type %s\n", ident); | |
| 4833 return; | |
| 4834 } | |
| 4835 else { | |
| 4836 if( (eForm = form->is_effect()) == NULL) { | |
| 4837 parse_err(SYNERR, "identifier %s not effect type\n", ident); | |
| 4838 return; | |
| 4839 } | |
| 4840 } | |
| 4841 } | |
| 4842 // Debugging Stuff | |
| 4843 if (_AD._adl_debug > 1) fprintf(stderr, "\tEffect Type: %s\t", ident); | |
| 4844 skipws(); | |
|
4120
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4845 if (eForm->is(Component::CALL)) { |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4846 if (_AD._adl_debug > 1) fprintf(stderr, "\n"); |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4847 has_call = true; |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4848 } else { |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4849 // Get name of operand and check that it is in the local name table |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4850 if( (ident = get_unique_ident(effects, "effect")) == NULL) { |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4851 parse_err(SYNERR, "missing operand identifier in effect list\n"); |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4852 return; |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4853 } |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4854 const Form *form = operands[ident]; |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4855 opForm = form ? form->is_operand() : NULL; |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4856 if( opForm == NULL ) { |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4857 if( form && form->is_opclass() ) { |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4858 const char* cname = form->is_opclass()->_ident; |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4859 parse_err(SYNERR, "operand classes are illegal in effect lists (found %s %s)\n", cname, ident); |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4860 } else { |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4861 parse_err(SYNERR, "undefined operand %s in effect list\n", ident); |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4862 } |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4863 return; |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4864 } |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4865 // Add the pair to the effects table |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4866 effects.Insert(ident, eForm); |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4867 // Debugging Stuff |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4868 if (_AD._adl_debug > 1) fprintf(stderr, "\tOperand Name: %s\n", ident); |
| 0 | 4869 } |
| 4870 skipws(); | |
| 4871 } while(_curchar == ','); | |
| 4872 | |
| 4873 if (_curchar != ')') parse_err(SYNERR, "missing ')'\n"); | |
| 4874 else { | |
| 4875 next_char(); // set current character position past the close paren | |
| 4876 } | |
| 4877 } | |
| 4878 | |
| 4879 | |
|
475
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4880 //-------------------------------preproc_line---------------------------------- |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4881 // A "#line" keyword has been seen, so parse the rest of the line. |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4882 void ADLParser::preproc_line(void) { |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4883 int line = get_int(); |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4884 skipws_no_preproc(); |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4885 const char* file = NULL; |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4886 if (_curchar == '"') { |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4887 next_char(); // Move past the initial '"' |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4888 file = _ptr; |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4889 while (true) { |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4890 if (_curchar == '\n') { |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4891 parse_err(SYNERR, "missing '\"' at end of #line directive"); |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4892 return; |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4893 } |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4894 if (_curchar == '"') { |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4895 *_ptr = '\0'; // Terminate the string |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4896 next_char(); |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4897 skipws_no_preproc(); |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4898 break; |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4899 } |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4900 next_char(); |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4901 } |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4902 } |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4903 ensure_end_of_line(); |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4904 if (file != NULL) |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4905 _AD._ADL_file._name = file; |
|
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4906 _buf.set_linenum(line); |
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4907 } |
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4908 |
| 0 | 4909 //------------------------------preproc_define--------------------------------- |
| 4910 // A "#define" keyword has been seen, so parse the rest of the line. | |
| 4911 void ADLParser::preproc_define(void) { | |
| 4912 char* flag = get_ident_no_preproc(); | |
| 4913 skipws_no_preproc(); | |
| 4914 // only #define x y is supported for now | |
| 4915 char* def = get_ident_no_preproc(); | |
| 4916 _AD.set_preproc_def(flag, def); | |
| 4917 skipws_no_preproc(); | |
| 4918 if (_curchar != '\n') { | |
| 4919 parse_err(SYNERR, "non-identifier in preprocessor definition\n"); | |
| 4920 } | |
| 4921 } | |
| 4922 | |
| 4923 //------------------------------preproc_undef---------------------------------- | |
| 4924 // An "#undef" keyword has been seen, so parse the rest of the line. | |
| 4925 void ADLParser::preproc_undef(void) { | |
| 4926 char* flag = get_ident_no_preproc(); | |
| 4927 skipws_no_preproc(); | |
| 4928 ensure_end_of_line(); | |
| 4929 _AD.set_preproc_def(flag, NULL); | |
| 4930 } | |
| 4931 | |
| 4932 | |
| 4933 | |
| 4934 //------------------------------parse_err-------------------------------------- | |
| 4935 // Issue a parser error message, and skip to the end of the current line | |
| 4936 void ADLParser::parse_err(int flag, const char *fmt, ...) { | |
| 4937 va_list args; | |
| 4938 | |
| 4939 va_start(args, fmt); | |
| 4940 if (flag == 1) | |
|
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4941 _AD._syntax_errs += _AD.emit_msg(0, flag, linenum(), fmt, args); |
| 0 | 4942 else if (flag == 2) |
|
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4943 _AD._semantic_errs += _AD.emit_msg(0, flag, linenum(), fmt, args); |
| 0 | 4944 else |
|
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4945 _AD._warnings += _AD.emit_msg(0, flag, linenum(), fmt, args); |
| 0 | 4946 |
| 4947 int error_char = _curchar; | |
| 4948 char* error_ptr = _ptr+1; | |
| 4949 for(;*_ptr != '\n'; _ptr++) ; // Skip to the end of the current line | |
| 4950 _curchar = '\n'; | |
| 4951 va_end(args); | |
| 4952 _AD._no_output = 1; | |
| 4953 | |
| 4954 if (flag == 1) { | |
| 4955 char* error_tail = strchr(error_ptr, '\n'); | |
| 4956 char tem = *error_ptr; | |
| 4957 error_ptr[-1] = '\0'; | |
| 4958 char* error_head = error_ptr-1; | |
| 4959 while (error_head > _curline && *error_head) --error_head; | |
| 4960 if (error_tail) *error_tail = '\0'; | |
| 4961 fprintf(stderr, "Error Context: %s>>>%c<<<%s\n", | |
| 4962 error_head, error_char, error_ptr); | |
| 4963 if (error_tail) *error_tail = '\n'; | |
| 4964 error_ptr[-1] = tem; | |
| 4965 } | |
| 4966 } | |
| 4967 | |
| 4968 //---------------------------ensure_start_of_line------------------------------ | |
| 4969 // A preprocessor directive has been encountered. Be sure it has fallen at | |
| 605 | 4970 // the beginning of a line, or else report an error. |
| 0 | 4971 void ADLParser::ensure_start_of_line(void) { |
|
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4972 if (_curchar == '\n') { next_line(); return; } |
| 0 | 4973 assert( _ptr >= _curline && _ptr < _curline+strlen(_curline), |
| 4974 "Must be able to find which line we are in" ); | |
| 4975 | |
| 4976 for (char *s = _curline; s < _ptr; s++) { | |
| 4977 if (*s > ' ') { | |
| 4978 parse_err(SYNERR, "'%c' must be at beginning of line\n", _curchar); | |
| 4979 break; | |
| 4980 } | |
| 4981 } | |
| 4982 } | |
| 4983 | |
| 4984 //---------------------------ensure_end_of_line-------------------------------- | |
| 4985 // A preprocessor directive has been parsed. Be sure there is no trailing | |
| 4986 // garbage at the end of this line. Set the scan point to the beginning of | |
| 4987 // the next line. | |
| 4988 void ADLParser::ensure_end_of_line(void) { | |
| 4989 skipws_no_preproc(); | |
| 4990 if (_curchar != '\n' && _curchar != '\0') { | |
| 4991 parse_err(SYNERR, "garbage char '%c' at end of line\n", _curchar); | |
| 4992 } else { | |
| 4993 next_char_or_line(); | |
| 4994 } | |
| 4995 } | |
| 4996 | |
| 4997 //---------------------------handle_preproc------------------------------------ | |
| 4998 // The '#' character introducing a preprocessor directive has been found. | |
| 4999 // Parse the whole directive name (e.g., #define, #endif) and take appropriate | |
| 5000 // action. If we are in an "untaken" span of text, simply keep track of | |
| 5001 // #ifdef nesting structure, so we can find out when to start taking text | |
| 5002 // again. (In this state, we "sort of support" C's #if directives, enough | |
| 5003 // to disregard their associated #else and #endif lines.) If we are in a | |
| 5004 // "taken" span of text, there are two cases: "#define" and "#undef" | |
| 5005 // directives are preserved and passed up to the caller, which eventually | |
| 5006 // passes control to the top-level parser loop, which handles #define and | |
| 5007 // #undef directly. (This prevents these directives from occurring in | |
| 5008 // arbitrary positions in the AD file--we require better structure than C.) | |
| 5009 // In the other case, and #ifdef, #ifndef, #else, or #endif is silently | |
| 5010 // processed as whitespace, with the "taken" state of the text correctly | |
| 5011 // updated. This routine returns "false" exactly in the case of a "taken" | |
| 5012 // #define or #undef, which tells the caller that a preprocessor token | |
| 5013 // has appeared which must be handled explicitly by the parse loop. | |
| 5014 bool ADLParser::handle_preproc_token() { | |
| 5015 assert(*_ptr == '#', "must be at start of preproc"); | |
| 5016 ensure_start_of_line(); | |
| 5017 next_char(); | |
| 5018 skipws_no_preproc(); | |
| 5019 char* start_ident = _ptr; | |
| 5020 char* ident = (_curchar == '\n') ? NULL : get_ident_no_preproc(); | |
| 5021 if (ident == NULL) { | |
| 5022 parse_err(SYNERR, "expected preprocessor command, got end of line\n"); | |
| 5023 } else if (!strcmp(ident, "ifdef") || | |
| 5024 !strcmp(ident, "ifndef")) { | |
| 5025 char* flag = get_ident_no_preproc(); | |
| 5026 ensure_end_of_line(); | |
| 5027 // Test the identifier only if we are already in taken code: | |
| 5028 bool flag_def = preproc_taken() && (_AD.get_preproc_def(flag) != NULL); | |
| 5029 bool now_taken = !strcmp(ident, "ifdef") ? flag_def : !flag_def; | |
| 5030 begin_if_def(now_taken); | |
| 5031 } else if (!strcmp(ident, "if")) { | |
| 5032 if (preproc_taken()) | |
| 5033 parse_err(SYNERR, "unimplemented: #%s %s", ident, _ptr+1); | |
| 5034 next_line(); | |
| 5035 // Intelligently skip this nested C preprocessor directive: | |
| 5036 begin_if_def(true); | |
| 5037 } else if (!strcmp(ident, "else")) { | |
| 5038 ensure_end_of_line(); | |
| 5039 invert_if_def(); | |
| 5040 } else if (!strcmp(ident, "endif")) { | |
| 5041 ensure_end_of_line(); | |
| 5042 end_if_def(); | |
| 5043 } else if (preproc_taken()) { | |
| 5044 // pass this token up to the main parser as "#define" or "#undef" | |
| 5045 _ptr = start_ident; | |
| 5046 _curchar = *--_ptr; | |
| 5047 if( _curchar != '#' ) { | |
| 5048 parse_err(SYNERR, "no space allowed after # in #define or #undef"); | |
| 5049 assert(_curchar == '#', "no space allowed after # in #define or #undef"); | |
| 5050 } | |
| 5051 return false; | |
| 5052 } | |
| 5053 return true; | |
| 5054 } | |
| 5055 | |
| 5056 //---------------------------skipws_common------------------------------------- | |
| 5057 // Skip whitespace, including comments and newlines, while keeping an accurate | |
| 5058 // line count. | |
| 5059 // Maybe handle certain preprocessor constructs: #ifdef, #ifndef, #else, #endif | |
| 5060 void ADLParser::skipws_common(bool do_preproc) { | |
| 5061 char *start = _ptr; | |
| 5062 char *next = _ptr + 1; | |
| 5063 | |
| 5064 if (*_ptr == '\0') { | |
| 5065 // Check for string terminator | |
| 5066 if (_curchar > ' ') return; | |
| 5067 if (_curchar == '\n') { | |
| 5068 if (!do_preproc) return; // let caller handle the newline | |
| 5069 next_line(); | |
| 5070 _ptr = _curline; next = _ptr + 1; | |
| 5071 } | |
| 5072 else if (_curchar == '#' || | |
| 5073 (_curchar == '/' && (*next == '/' || *next == '*'))) { | |
| 5074 parse_err(SYNERR, "unimplemented: comment token in a funny place"); | |
| 5075 } | |
| 5076 } | |
| 5077 while(_curline != NULL) { // Check for end of file | |
| 5078 if (*_ptr == '\n') { // keep proper track of new lines | |
| 5079 if (!do_preproc) break; // let caller handle the newline | |
| 5080 next_line(); | |
| 5081 _ptr = _curline; next = _ptr + 1; | |
| 5082 } | |
| 5083 else if ((*_ptr == '/') && (*next == '/')) // C++ comment | |
| 5084 do { _ptr++; next++; } while(*_ptr != '\n'); // So go to end of line | |
| 5085 else if ((*_ptr == '/') && (*next == '*')) { // C comment | |
| 5086 _ptr++; next++; | |
| 5087 do { | |
| 5088 _ptr++; next++; | |
| 5089 if (*_ptr == '\n') { // keep proper track of new lines | |
| 5090 next_line(); // skip newlines within comments | |
| 5091 if (_curline == NULL) { // check for end of file | |
| 5092 parse_err(SYNERR, "end-of-file detected inside comment\n"); | |
| 5093 break; | |
| 5094 } | |
| 5095 _ptr = _curline; next = _ptr + 1; | |
| 5096 } | |
| 5097 } while(!((*_ptr == '*') && (*next == '/'))); // Go to end of comment | |
| 5098 _ptr = ++next; next++; // increment _ptr past comment end | |
| 5099 } | |
| 5100 else if (do_preproc && *_ptr == '#') { | |
| 5101 // Note that this calls skipws_common(false) recursively! | |
| 5102 bool preproc_handled = handle_preproc_token(); | |
| 5103 if (!preproc_handled) { | |
| 5104 if (preproc_taken()) { | |
| 5105 return; // short circuit | |
| 5106 } | |
| 5107 ++_ptr; // skip the preprocessor character | |
| 5108 } | |
| 5109 next = _ptr+1; | |
| 5110 } else if(*_ptr > ' ' && !(do_preproc && !preproc_taken())) { | |
| 5111 break; | |
| 5112 } | |
| 5113 else if (*_ptr == '"' || *_ptr == '\'') { | |
| 5114 assert(do_preproc, "only skip strings if doing preproc"); | |
| 5115 // skip untaken quoted string | |
| 5116 int qchar = *_ptr; | |
| 5117 while (true) { | |
| 5118 ++_ptr; | |
| 5119 if (*_ptr == qchar) { ++_ptr; break; } | |
| 5120 if (*_ptr == '\\') ++_ptr; | |
| 5121 if (*_ptr == '\n' || *_ptr == '\0') { | |
| 5122 parse_err(SYNERR, "newline in string"); | |
| 5123 break; | |
| 5124 } | |
| 5125 } | |
| 5126 next = _ptr + 1; | |
| 5127 } | |
| 5128 else { ++_ptr; ++next; } | |
| 5129 } | |
| 5130 if( _curline != NULL ) // at end of file _curchar isn't valid | |
| 5131 _curchar = *_ptr; // reset _curchar to maintain invariant | |
| 5132 } | |
| 5133 | |
| 5134 //---------------------------cur_char----------------------------------------- | |
| 5135 char ADLParser::cur_char() { | |
| 5136 return (_curchar); | |
| 5137 } | |
| 5138 | |
| 5139 //---------------------------next_char----------------------------------------- | |
| 5140 void ADLParser::next_char() { | |
|
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5141 if (_curchar == '\n') parse_err(WARN, "must call next_line!"); |
| 0 | 5142 _curchar = *++_ptr; |
| 5143 // if ( _curchar == '\n' ) { | |
| 5144 // next_line(); | |
| 5145 // } | |
| 5146 } | |
| 5147 | |
| 5148 //---------------------------next_char_or_line--------------------------------- | |
| 5149 void ADLParser::next_char_or_line() { | |
| 5150 if ( _curchar != '\n' ) { | |
| 5151 _curchar = *++_ptr; | |
| 5152 } else { | |
| 5153 next_line(); | |
| 5154 _ptr = _curline; | |
| 5155 _curchar = *_ptr; // maintain invariant | |
| 5156 } | |
| 5157 } | |
| 5158 | |
| 5159 //---------------------------next_line----------------------------------------- | |
| 5160 void ADLParser::next_line() { | |
|
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5161 _curline = _buf.get_line(); |
|
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5162 _curchar = ' '; |
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|
5163 } |
|
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|
5164 |
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5165 //------------------------get_line_string-------------------------------------- |
|
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5166 // Prepended location descriptor, for debugging. |
|
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5167 // Must return a malloced string (that can be freed if desired). |
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5168 char* ADLParser::get_line_string(int linenum) { |
|
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5169 const char* file = _AD._ADL_file._name; |
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5170 int line = linenum ? linenum : this->linenum(); |
|
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5171 char* location = (char *)malloc(strlen(file) + 100); |
|
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5172 sprintf(location, "\n#line %d \"%s\"\n", line, file); |
|
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5173 return location; |
| 0 | 5174 } |
| 5175 | |
| 5176 //-------------------------is_literal_constant--------------------------------- | |
| 5177 bool ADLParser::is_literal_constant(const char *param) { | |
| 5178 if (param[0] == 0) return false; // null string | |
| 5179 if (param[0] == '(') return true; // parenthesized expression | |
| 5180 if (param[0] == '0' && (param[1] == 'x' || param[1] == 'X')) { | |
| 5181 // Make sure it's a hex constant. | |
| 5182 int i = 2; | |
| 5183 do { | |
| 5184 if( !ADLParser::is_hex_digit(*(param+i)) ) return false; | |
| 5185 ++i; | |
| 5186 } while( *(param+i) != 0 ); | |
| 5187 return true; | |
| 5188 } | |
| 5189 return false; | |
| 5190 } | |
| 5191 | |
| 5192 //---------------------------is_hex_digit-------------------------------------- | |
| 5193 bool ADLParser::is_hex_digit(char digit) { | |
| 5194 return ((digit >= '0') && (digit <= '9')) | |
| 5195 ||((digit >= 'a') && (digit <= 'f')) | |
| 5196 ||((digit >= 'A') && (digit <= 'F')); | |
| 5197 } | |
| 5198 | |
| 5199 //---------------------------is_int_token-------------------------------------- | |
| 5200 bool ADLParser::is_int_token(const char* token, int& intval) { | |
| 5201 const char* cp = token; | |
| 5202 while (*cp != '\0' && *cp <= ' ') cp++; | |
| 5203 if (*cp == '-') cp++; | |
| 5204 int ndigit = 0; | |
| 5205 while (*cp >= '0' && *cp <= '9') { cp++; ndigit++; } | |
| 5206 while (*cp != '\0' && *cp <= ' ') cp++; | |
| 5207 if (ndigit == 0 || *cp != '\0') { | |
| 5208 return false; | |
| 5209 } | |
| 5210 intval = atoi(token); | |
| 5211 return true; | |
| 5212 } | |
| 5213 | |
|
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5214 static const char* skip_expr_ws(const char* str) { |
|
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5215 const char * cp = str; |
|
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5216 while (cp[0]) { |
|
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5217 if (cp[0] <= ' ') { |
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5218 ++cp; |
|
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5219 } else if (cp[0] == '#') { |
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5220 ++cp; |
|
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5221 while (cp[0] == ' ') ++cp; |
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5222 assert(0 == strncmp(cp, "line", 4), "must be a #line directive"); |
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5223 const char* eol = strchr(cp, '\n'); |
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5224 assert(eol != NULL, "must find end of line"); |
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5225 if (eol == NULL) eol = cp + strlen(cp); |
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5226 cp = eol; |
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|
5227 } else { |
|
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|
5228 break; |
|
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|
5229 } |
|
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|
5230 } |
|
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|
5231 return cp; |
|
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|
5232 } |
|
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|
5233 |
|
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5234 //-----------------------equivalent_expressions-------------------------------- |
|
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5235 bool ADLParser::equivalent_expressions(const char* str1, const char* str2) { |
|
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5236 if (str1 == str2) |
|
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|
5237 return true; |
|
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|
5238 else if (str1 == NULL || str2 == NULL) |
|
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|
5239 return false; |
|
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|
5240 const char* cp1 = str1; |
|
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5241 const char* cp2 = str2; |
|
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|
5242 char in_quote = '\0'; |
|
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|
5243 while (cp1[0] && cp2[0]) { |
|
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5244 if (!in_quote) { |
|
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5245 // skip spaces and/or cpp directives |
|
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5246 const char* cp1a = skip_expr_ws(cp1); |
|
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5247 const char* cp2a = skip_expr_ws(cp2); |
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5248 if (cp1a > cp1 && cp2a > cp2) { |
|
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5249 cp1 = cp1a; cp2 = cp2a; |
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5250 continue; |
|
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5251 } |
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5252 if (cp1a > cp1 || cp2a > cp2) break; // fail |
|
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5253 } |
|
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|
5254 // match one non-space char |
|
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|
5255 if (cp1[0] != cp2[0]) break; // fail |
|
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|
5256 char ch = cp1[0]; |
|
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|
5257 cp1++; cp2++; |
|
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|
5258 // watch for quotes |
|
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|
5259 if (in_quote && ch == '\\') { |
|
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|
5260 if (cp1[0] != cp2[0]) break; // fail |
|
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|
5261 if (!cp1[0]) break; |
|
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|
5262 cp1++; cp2++; |
|
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|
5263 } |
|
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|
5264 if (in_quote && ch == in_quote) { |
|
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|
5265 in_quote = '\0'; |
|
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|
5266 } else if (!in_quote && (ch == '"' || ch == '\'')) { |
|
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|
5267 in_quote = ch; |
|
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|
5268 } |
|
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|
5269 } |
|
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|
5270 return (!cp1[0] && !cp2[0]); |
|
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|
5271 } |
|
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|
5272 |
|
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|
5273 |
| 0 | 5274 //-------------------------------trim------------------------------------------ |
| 5275 void ADLParser::trim(char* &token) { | |
| 5276 while (*token <= ' ') token++; | |
| 5277 char* end = token + strlen(token); | |
| 5278 while (end > token && *(end-1) <= ' ') --end; | |
| 5279 *end = '\0'; | |
| 5280 } |