Mercurial > hg > truffle
annotate src/share/vm/adlc/adlparse.cpp @ 17467:55fb97c4c58d hs25-b65
8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013
Summary: Copyright year updated for files modified during 2013
Reviewed-by: twisti, iveresov
| author | mikael |
|---|---|
| date | Tue, 24 Dec 2013 11:48:39 -0800 |
| parents | c9ccd7b85f20 |
| children | abec000618bf |
| 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 } | |
| 2008 | 222 else if (!strcmp(ident, "ins_encode")) ins_encode_parse(*instr); |
| 223 else if (!strcmp(ident, "opcode")) instr->_opcode = opcode_parse(instr); | |
| 224 else if (!strcmp(ident, "size")) instr->_size = size_parse(instr); | |
| 225 else if (!strcmp(ident, "effect")) effect_parse(instr); | |
| 226 else if (!strcmp(ident, "expand")) instr->_exprule = expand_parse(instr); | |
| 227 else if (!strcmp(ident, "rewrite")) instr->_rewrule = rewrite_parse(); | |
| 0 | 228 else if (!strcmp(ident, "constraint")) { |
| 229 parse_err(SYNERR, "Instructions do not specify a constraint\n"); | |
| 230 } | |
| 231 else if (!strcmp(ident, "construct")) { | |
| 232 parse_err(SYNERR, "Instructions do not specify a construct\n"); | |
| 233 } | |
| 2008 | 234 else if (!strcmp(ident, "format")) instr->_format = format_parse(); |
| 0 | 235 else if (!strcmp(ident, "interface")) { |
| 236 parse_err(SYNERR, "Instructions do not specify an interface\n"); | |
| 237 } | |
| 2008 | 238 else if (!strcmp(ident, "ins_pipe")) ins_pipe_parse(*instr); |
| 0 | 239 else { // Done with staticly defined parts of instruction definition |
| 240 // Check identifier to see if it is the name of an attribute | |
| 241 const Form *form = _globalNames[ident]; | |
| 242 AttributeForm *attr = form ? form->is_attribute() : NULL; | |
| 243 if( attr && (attr->_atype == INS_ATTR) ) { | |
| 244 // Insert the new attribute into the linked list. | |
| 245 Attribute *temp = attr_parse(ident); | |
| 246 temp->_next = instr->_attribs; | |
| 247 instr->_attribs = temp; | |
| 248 } else { | |
| 249 parse_err(SYNERR, "expected one of:\n predicate, match, encode, or the name of an instruction attribute at %s\n", ident); | |
| 250 } | |
| 251 } | |
| 252 skipws(); | |
| 253 } while(_curchar != '%'); | |
| 254 next_char(); | |
| 255 if (_curchar != '}') { | |
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256 parse_err(SYNERR, "missing '%%}' in instruction definition\n"); |
| 0 | 257 return; |
| 258 } | |
| 259 // Check for "Set" form of chain rule | |
| 260 adjust_set_rule(instr); | |
| 261 if (_AD._pipeline ) { | |
| 262 if( instr->expands() ) { | |
| 263 if( instr->_ins_pipe ) | |
| 264 parse_err(WARN, "ins_pipe and expand rule both specified for instruction \"%s\"; ins_pipe will be unused\n", instr->_ident); | |
| 265 } else { | |
| 266 if( !instr->_ins_pipe ) | |
| 267 parse_err(WARN, "No ins_pipe specified for instruction \"%s\"\n", instr->_ident); | |
| 268 } | |
| 269 } | |
| 270 // Add instruction to tail of instruction list | |
| 271 _AD.addForm(instr); | |
| 272 | |
| 273 // Create instruction form for each additional match rule | |
| 274 rule = instr->_matrule; | |
| 275 if (rule != NULL) { | |
| 276 rule = rule->_next; | |
| 277 while (rule != NULL) { | |
| 278 ident = (char*)rule->_result; | |
| 279 InstructForm *clone = new InstructForm(ident, instr, rule); // Create new instruction form | |
| 280 _globalNames.Insert(ident, clone); // Add name to the name table | |
| 281 // Debugging Stuff | |
| 282 if (_AD._adl_debug > 1) | |
| 283 fprintf(stderr,"Parsing Instruction Form %s\n", ident); | |
| 284 // Check for "Set" form of chain rule | |
| 285 adjust_set_rule(clone); | |
| 286 // Add instruction to tail of instruction list | |
| 287 _AD.addForm(clone); | |
| 288 rule = rule->_next; | |
| 289 clone->_matrule->_next = NULL; // One match rule per clone | |
| 290 } | |
| 291 } | |
| 292 } | |
| 293 | |
| 294 //------------------------------matchrule_clone_and_swap----------------------- | |
| 295 // Check for commutative operations with subtree operands, | |
| 296 // create clones and swap operands. | |
| 297 void ADLParser::matchrule_clone_and_swap(MatchRule* rule, const char* instr_ident, int& match_rules_cnt) { | |
| 298 // Check for commutative operations with tree operands. | |
| 299 int count = 0; | |
| 300 rule->count_commutative_op(count); | |
| 301 if (count > 0) { | |
| 302 // Clone match rule and swap commutative operation's operands. | |
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303 rule->matchrule_swap_commutative_op(instr_ident, count, match_rules_cnt); |
| 0 | 304 } |
| 305 } | |
| 306 | |
| 307 //------------------------------adjust_set_rule-------------------------------- | |
| 308 // Check for "Set" form of chain rule | |
| 309 void ADLParser::adjust_set_rule(InstructForm *instr) { | |
| 310 if (instr->_matrule == NULL || instr->_matrule->_rChild == NULL) return; | |
| 311 const char *rch = instr->_matrule->_rChild->_opType; | |
| 312 const Form *frm = _globalNames[rch]; | |
| 313 if( (! strcmp(instr->_matrule->_opType,"Set")) && | |
| 314 frm && frm->is_operand() && (! frm->ideal_only()) ) { | |
| 315 // Previous implementation, which missed leaP*, but worked for loadCon* | |
| 316 unsigned position = 0; | |
| 317 const char *result = NULL; | |
| 318 const char *name = NULL; | |
| 319 const char *optype = NULL; | |
| 320 MatchNode *right = instr->_matrule->_rChild; | |
| 321 if (right->base_operand(position, _globalNames, result, name, optype)) { | |
| 322 position = 1; | |
| 323 const char *result2 = NULL; | |
| 324 const char *name2 = NULL; | |
| 325 const char *optype2 = NULL; | |
| 326 // Can not have additional base operands in right side of match! | |
| 327 if ( ! right->base_operand( position, _globalNames, result2, name2, optype2) ) { | |
| 2008 | 328 if (instr->_predicate != NULL) |
| 329 parse_err(SYNERR, "ADLC does not support instruction chain rules with predicates"); | |
| 0 | 330 // Chain from input _ideal_operand_type_, |
| 331 // Needed for shared roots of match-trees | |
| 332 ChainList *lst = (ChainList *)_AD._chainRules[optype]; | |
| 333 if (lst == NULL) { | |
| 334 lst = new ChainList(); | |
| 335 _AD._chainRules.Insert(optype, lst); | |
| 336 } | |
| 337 if (!lst->search(instr->_matrule->_lChild->_opType)) { | |
| 338 const char *cost = instr->cost(); | |
| 339 if (cost == NULL) { | |
| 340 cost = ((AttributeForm*)_globalNames[AttributeForm::_ins_cost])->_attrdef; | |
| 341 } | |
| 342 // The ADLC does not support chaining from the ideal operand type | |
| 343 // of a predicated user-defined operand | |
| 344 if( frm->is_operand() == NULL || frm->is_operand()->_predicate == NULL ) { | |
| 345 lst->insert(instr->_matrule->_lChild->_opType,cost,instr->_ident); | |
| 346 } | |
| 347 } | |
| 348 // Chain from input _user_defined_operand_type_, | |
| 349 lst = (ChainList *)_AD._chainRules[result]; | |
| 350 if (lst == NULL) { | |
| 351 lst = new ChainList(); | |
| 352 _AD._chainRules.Insert(result, lst); | |
| 353 } | |
| 354 if (!lst->search(instr->_matrule->_lChild->_opType)) { | |
| 355 const char *cost = instr->cost(); | |
| 356 if (cost == NULL) { | |
| 357 cost = ((AttributeForm*)_globalNames[AttributeForm::_ins_cost])->_attrdef; | |
| 358 } | |
| 359 // It is safe to chain from the top-level user-defined operand even | |
| 360 // if it has a predicate, since the predicate is checked before | |
| 361 // the user-defined type is available. | |
| 362 lst->insert(instr->_matrule->_lChild->_opType,cost,instr->_ident); | |
| 363 } | |
| 364 } else { | |
| 365 // May have instruction chain rule if root of right-tree is an ideal | |
| 366 OperandForm *rightOp = _globalNames[right->_opType]->is_operand(); | |
| 367 if( rightOp ) { | |
| 368 const Form *rightRoot = _globalNames[rightOp->_matrule->_opType]; | |
| 369 if( rightRoot && rightRoot->ideal_only() ) { | |
| 370 const char *chain_op = NULL; | |
| 371 if( rightRoot->is_instruction() ) | |
| 372 chain_op = rightOp->_ident; | |
| 373 if( chain_op ) { | |
| 374 // Look-up the operation in chain rule table | |
| 375 ChainList *lst = (ChainList *)_AD._chainRules[chain_op]; | |
| 376 if (lst == NULL) { | |
| 377 lst = new ChainList(); | |
| 378 _AD._chainRules.Insert(chain_op, lst); | |
| 379 } | |
| 380 // if (!lst->search(instr->_matrule->_lChild->_opType)) { | |
| 381 const char *cost = instr->cost(); | |
| 382 if (cost == NULL) { | |
| 383 cost = ((AttributeForm*)_globalNames[AttributeForm::_ins_cost])->_attrdef; | |
| 384 } | |
| 385 // This chains from a top-level operand whose predicate, if any, | |
| 386 // has been checked. | |
| 387 lst->insert(instr->_matrule->_lChild->_opType,cost,instr->_ident); | |
| 388 // } | |
| 389 } | |
| 390 } | |
| 391 } | |
| 392 } // end chain rule from right-tree's ideal root | |
| 393 } | |
| 394 } | |
| 395 } | |
| 396 | |
| 397 | |
| 398 //------------------------------oper_parse------------------------------------- | |
| 399 void ADLParser::oper_parse(void) { | |
| 400 char *ident; | |
| 401 OperandForm *oper; | |
| 402 AttributeForm *attr; | |
| 403 MatchRule *rule; | |
| 404 | |
| 405 // First get the name of the operand | |
| 406 skipws(); | |
| 407 if( (ident = get_unique_ident(_globalNames,"operand")) == NULL ) | |
| 408 return; | |
| 409 oper = new OperandForm(ident); // Create new operand form | |
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410 oper->_linenum = linenum(); |
| 0 | 411 _globalNames.Insert(ident, oper); // Add name to the name table |
| 412 | |
| 413 // Debugging Stuff | |
| 414 if (_AD._adl_debug > 1) fprintf(stderr,"Parsing Operand Form %s\n", ident); | |
| 415 | |
| 416 // Get the component operands | |
| 417 skipws(); | |
| 418 if (_curchar != '(') { | |
| 419 parse_err(SYNERR, "missing '(' in operand definition\n"); | |
| 420 return; | |
| 421 } | |
| 422 else get_oplist(oper->_parameters, oper->_localNames); // Parse the component operand list | |
| 423 skipws(); | |
| 424 // Check for block delimiter | |
| 425 if ((_curchar != '%') || (*(_ptr+1) != '{')) { // If not open block | |
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426 parse_err(SYNERR, "missing '%%{' in operand definition\n"); |
| 0 | 427 return; |
| 428 } | |
| 429 next_char(); next_char(); // Skip over "%{" symbol | |
| 430 do { | |
| 431 ident = get_ident(); // Grab next identifier | |
| 432 if (ident == NULL) { | |
| 433 parse_err(SYNERR, "keyword identifier expected at %c\n", _curchar); | |
| 434 continue; | |
| 435 } | |
| 436 if (!strcmp(ident, "predicate")) oper->_predicate = pred_parse(); | |
| 437 else if (!strcmp(ident, "match")) { | |
| 438 // Find the end of the match rule list | |
| 439 rule = oper->_matrule; | |
| 440 if (rule) { | |
| 441 while (rule->_next) rule = rule->_next; | |
| 442 // Add the new match rule to the list | |
| 443 rule->_next = match_parse(oper->_localNames); | |
| 444 if (rule->_next) { | |
| 445 rule->_next->_result = oper->_ident; | |
| 446 } | |
| 447 } | |
| 448 else { | |
| 449 // This is first match rule encountered | |
| 450 oper->_matrule = match_parse(oper->_localNames); | |
| 451 if (oper->_matrule) { | |
| 452 oper->_matrule->_result = oper->_ident; | |
| 453 } | |
| 454 } | |
| 455 } | |
| 456 else if (!strcmp(ident, "encode")) oper->_interface = interface_parse(); | |
| 457 else if (!strcmp(ident, "ins_encode")) { | |
| 458 parse_err(SYNERR, "Operands specify 'encode', not 'ins_encode'\n"); | |
| 459 } | |
| 460 else if (!strcmp(ident, "opcode")) { | |
| 461 parse_err(SYNERR, "Operands do not specify an opcode\n"); | |
| 462 } | |
| 463 else if (!strcmp(ident, "effect")) { | |
| 464 parse_err(SYNERR, "Operands do not specify an effect\n"); | |
| 465 } | |
| 466 else if (!strcmp(ident, "expand")) { | |
| 467 parse_err(SYNERR, "Operands do not specify an expand\n"); | |
| 468 } | |
| 469 else if (!strcmp(ident, "rewrite")) { | |
| 470 parse_err(SYNERR, "Operands do not specify a rewrite\n"); | |
| 471 } | |
| 472 else if (!strcmp(ident, "constraint"))oper->_constraint= constraint_parse(); | |
| 473 else if (!strcmp(ident, "construct")) oper->_construct = construct_parse(); | |
| 474 else if (!strcmp(ident, "format")) oper->_format = format_parse(); | |
| 475 else if (!strcmp(ident, "interface")) oper->_interface = interface_parse(); | |
| 476 // Check identifier to see if it is the name of an attribute | |
| 477 else if (((attr = _globalNames[ident]->is_attribute()) != NULL) && | |
| 478 (attr->_atype == OP_ATTR)) oper->_attribs = attr_parse(ident); | |
| 479 else { | |
| 480 parse_err(SYNERR, "expected one of - constraint, predicate, match, encode, format, construct, or the name of a defined operand attribute at %s\n", ident); | |
| 481 } | |
| 482 skipws(); | |
| 483 } while(_curchar != '%'); | |
| 484 next_char(); | |
| 485 if (_curchar != '}') { | |
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486 parse_err(SYNERR, "missing '%%}' in operand definition\n"); |
| 0 | 487 return; |
| 488 } | |
| 489 // Add operand to tail of operand list | |
| 490 _AD.addForm(oper); | |
| 491 } | |
| 492 | |
| 493 //------------------------------opclass_parse---------------------------------- | |
| 494 // Operand Classes are a block with a comma delimited list of operand names | |
| 495 void ADLParser::opclass_parse(void) { | |
| 496 char *ident; | |
| 497 OpClassForm *opc; | |
| 498 OperandForm *opForm; | |
| 499 | |
| 500 // First get the name of the operand class | |
| 501 skipws(); | |
| 502 if( (ident = get_unique_ident(_globalNames,"opclass")) == NULL ) | |
| 503 return; | |
| 504 opc = new OpClassForm(ident); // Create new operand class form | |
| 505 _globalNames.Insert(ident, opc); // Add name to the name table | |
| 506 | |
| 507 // Debugging Stuff | |
| 508 if (_AD._adl_debug > 1) | |
| 509 fprintf(stderr,"Parsing Operand Class Form %s\n", ident); | |
| 510 | |
| 511 // Get the list of operands | |
| 512 skipws(); | |
| 513 if (_curchar != '(') { | |
| 514 parse_err(SYNERR, "missing '(' in operand definition\n"); | |
| 515 return; | |
| 516 } | |
| 517 do { | |
| 518 next_char(); // Skip past open paren or comma | |
| 519 ident = get_ident(); // Grab next identifier | |
| 520 if (ident == NULL) { | |
| 521 parse_err(SYNERR, "keyword identifier expected at %c\n", _curchar); | |
| 522 continue; | |
| 523 } | |
| 524 // Check identifier to see if it is the name of an operand | |
| 525 const Form *form = _globalNames[ident]; | |
| 526 opForm = form ? form->is_operand() : NULL; | |
| 527 if ( opForm ) { | |
| 528 opc->_oplst.addName(ident); // Add operand to opclass list | |
| 529 opForm->_classes.addName(opc->_ident);// Add opclass to operand list | |
| 530 } | |
| 531 else { | |
| 532 parse_err(SYNERR, "expected name of a defined operand at %s\n", ident); | |
| 533 } | |
| 534 skipws(); // skip trailing whitespace | |
| 535 } while (_curchar == ','); // Check for the comma | |
| 536 // Check for closing ')' | |
| 537 if (_curchar != ')') { | |
| 538 parse_err(SYNERR, "missing ')' or ',' in opclass definition\n"); | |
| 539 return; | |
| 540 } | |
| 541 next_char(); // Consume the ')' | |
| 542 skipws(); | |
| 543 // Check for closing ';' | |
| 544 if (_curchar != ';') { | |
| 545 parse_err(SYNERR, "missing ';' in opclass definition\n"); | |
| 546 return; | |
| 547 } | |
| 548 next_char(); // Consume the ';' | |
| 549 // Add operand to tail of operand list | |
| 550 _AD.addForm(opc); | |
| 551 } | |
| 552 | |
| 553 //------------------------------ins_attr_parse--------------------------------- | |
| 554 void ADLParser::ins_attr_parse(void) { | |
| 555 char *ident; | |
| 556 char *aexpr; | |
| 557 AttributeForm *attrib; | |
| 558 | |
| 559 // get name for the instruction attribute | |
| 560 skipws(); // Skip leading whitespace | |
| 561 if( (ident = get_unique_ident(_globalNames,"inst_attrib")) == NULL ) | |
| 562 return; | |
| 563 // Debugging Stuff | |
| 564 if (_AD._adl_debug > 1) fprintf(stderr,"Parsing Ins_Attribute Form %s\n", ident); | |
| 565 | |
| 566 // Get default value of the instruction attribute | |
| 567 skipws(); // Skip whitespace | |
| 568 if ((aexpr = get_paren_expr("attribute default expression string")) == NULL) { | |
| 569 parse_err(SYNERR, "missing '(' in ins_attrib definition\n"); | |
| 570 return; | |
| 571 } | |
| 572 // Debug Stuff | |
| 573 if (_AD._adl_debug > 1) fprintf(stderr,"Attribute Expression: %s\n", aexpr); | |
| 574 | |
| 575 // Check for terminator | |
| 576 if (_curchar != ';') { | |
| 577 parse_err(SYNERR, "missing ';' in ins_attrib definition\n"); | |
| 578 return; | |
| 579 } | |
| 580 next_char(); // Advance past the ';' | |
| 581 | |
| 582 // Construct the attribute, record global name, and store in ArchDesc | |
| 583 attrib = new AttributeForm(ident, INS_ATTR, aexpr); | |
| 584 _globalNames.Insert(ident, attrib); // Add name to the name table | |
| 585 _AD.addForm(attrib); | |
| 586 } | |
| 587 | |
| 588 //------------------------------op_attr_parse---------------------------------- | |
| 589 void ADLParser::op_attr_parse(void) { | |
| 590 char *ident; | |
| 591 char *aexpr; | |
| 592 AttributeForm *attrib; | |
| 593 | |
| 594 // get name for the operand attribute | |
| 595 skipws(); // Skip leading whitespace | |
| 596 if( (ident = get_unique_ident(_globalNames,"op_attrib")) == NULL ) | |
| 597 return; | |
| 598 // Debugging Stuff | |
| 599 if (_AD._adl_debug > 1) fprintf(stderr,"Parsing Op_Attribute Form %s\n", ident); | |
| 600 | |
| 601 // Get default value of the instruction attribute | |
| 602 skipws(); // Skip whitespace | |
| 603 if ((aexpr = get_paren_expr("attribute default expression string")) == NULL) { | |
| 604 parse_err(SYNERR, "missing '(' in op_attrib definition\n"); | |
| 605 return; | |
| 606 } | |
| 607 // Debug Stuff | |
| 608 if (_AD._adl_debug > 1) fprintf(stderr,"Attribute Expression: %s\n", aexpr); | |
| 609 | |
| 610 // Check for terminator | |
| 611 if (_curchar != ';') { | |
| 612 parse_err(SYNERR, "missing ';' in op_attrib definition\n"); | |
| 613 return; | |
| 614 } | |
| 615 next_char(); // Advance past the ';' | |
| 616 | |
| 617 // Construct the attribute, record global name, and store in ArchDesc | |
| 618 attrib = new AttributeForm(ident, OP_ATTR, aexpr); | |
| 619 _globalNames.Insert(ident, attrib); | |
| 620 _AD.addForm(attrib); | |
| 621 } | |
| 622 | |
| 623 //------------------------------definitions_parse----------------------------------- | |
| 624 void ADLParser::definitions_parse(void) { | |
| 625 skipws(); // Skip leading whitespace | |
| 626 if (_curchar == '%' && *(_ptr+1) == '{') { | |
| 627 next_char(); next_char(); // Skip "%{" | |
| 628 skipws(); | |
| 629 while (_curchar != '%' && *(_ptr+1) != '}') { | |
| 630 // Process each definition until finding closing string "%}" | |
| 631 char *token = get_ident(); | |
| 632 if (token == NULL) { | |
| 633 parse_err(SYNERR, "missing identifier inside definitions block.\n"); | |
| 634 return; | |
| 635 } | |
| 636 if (strcmp(token,"int_def")==0) { int_def_parse(); } | |
| 637 // if (strcmp(token,"str_def")==0) { str_def_parse(); } | |
| 638 skipws(); | |
| 639 } | |
| 640 } | |
| 641 else { | |
| 642 parse_err(SYNERR, "Missing %%{ ... %%} block after definitions keyword.\n"); | |
| 643 return; | |
| 644 } | |
| 645 } | |
| 646 | |
| 647 //------------------------------int_def_parse---------------------------------- | |
| 648 // Parse Example: | |
| 649 // int_def MEMORY_REF_COST ( 200, DEFAULT_COST * 2); | |
| 650 // <keyword> <name> ( <int_value>, <description> ); | |
| 651 // | |
| 652 void ADLParser::int_def_parse(void) { | |
| 653 char *name = NULL; // Name of definition | |
| 654 char *value = NULL; // its value, | |
| 655 int int_value = -1; // positive values only | |
| 656 char *description = NULL; // textual description | |
| 657 | |
| 658 // Get definition name | |
| 659 skipws(); // Skip whitespace | |
| 660 name = get_ident(); | |
| 661 if (name == NULL) { | |
| 662 parse_err(SYNERR, "missing definition name after int_def\n"); | |
| 663 return; | |
| 664 } | |
| 665 | |
| 666 // Check for value of int_def dname( integer_value [, string_expression ] ) | |
| 667 skipws(); | |
| 668 if (_curchar == '(') { | |
| 669 | |
| 670 // Parse the integer value. | |
| 671 next_char(); | |
| 672 value = get_ident(); | |
| 673 if (value == NULL) { | |
| 674 parse_err(SYNERR, "missing value in int_def\n"); | |
| 675 return; | |
| 676 } | |
| 677 if( !is_int_token(value, int_value) ) { | |
| 678 parse_err(SYNERR, "value in int_def is not recognized as integer\n"); | |
| 679 return; | |
| 680 } | |
| 681 skipws(); | |
| 682 | |
| 683 // Check for description | |
| 684 if (_curchar == ',') { | |
| 685 next_char(); // skip ',' | |
| 686 | |
| 687 description = get_expr("int_def description", ")"); | |
| 688 if (description == NULL) { | |
| 689 parse_err(SYNERR, "invalid or missing description in int_def\n"); | |
| 690 return; | |
| 691 } | |
| 692 trim(description); | |
| 693 } | |
| 694 | |
| 695 if (_curchar != ')') { | |
| 696 parse_err(SYNERR, "missing ')' in register definition statement\n"); | |
| 697 return; | |
| 698 } | |
| 699 next_char(); | |
| 700 } | |
| 701 | |
| 702 // Check for closing ';' | |
| 703 skipws(); | |
| 704 if (_curchar != ';') { | |
| 705 parse_err(SYNERR, "missing ';' after int_def\n"); | |
| 706 return; | |
| 707 } | |
| 708 next_char(); // move past ';' | |
| 709 | |
| 710 // Debug Stuff | |
| 711 if (_AD._adl_debug > 1) { | |
| 712 fprintf(stderr,"int_def: %s ( %s, %s )\n", name, | |
| 713 (value), (description ? description : "")); | |
| 714 } | |
| 715 | |
| 716 // Record new definition. | |
| 717 Expr *expr = new Expr(name, description, int_value, int_value); | |
| 718 const Expr *old_expr = _AD.globalDefs().define(name, expr); | |
| 719 if (old_expr != NULL) { | |
| 720 parse_err(SYNERR, "Duplicate definition\n"); | |
| 721 return; | |
| 722 } | |
| 723 | |
| 724 return; | |
| 725 } | |
| 726 | |
| 727 | |
| 728 //------------------------------source_parse----------------------------------- | |
| 729 void ADLParser::source_parse(void) { | |
| 730 SourceForm *source; // Encode class for instruction/operand | |
| 731 char *rule = NULL; // String representation of encode rule | |
| 732 | |
| 733 skipws(); // Skip leading whitespace | |
| 734 if ( (rule = find_cpp_block("source block")) == NULL ) { | |
| 735 parse_err(SYNERR, "incorrect or missing block for 'source'.\n"); | |
| 736 return; | |
| 737 } | |
| 738 // Debug Stuff | |
| 739 if (_AD._adl_debug > 1) fprintf(stderr,"Source Form: %s\n", rule); | |
| 740 | |
| 741 source = new SourceForm(rule); // Build new Source object | |
| 742 _AD.addForm(source); | |
| 743 // skipws(); | |
| 744 } | |
| 745 | |
| 746 //------------------------------source_hpp_parse------------------------------- | |
| 747 // Parse a source_hpp %{ ... %} block. | |
| 748 // The code gets stuck into the ad_<arch>.hpp file. | |
| 749 // If the source_hpp block appears before the register block in the AD | |
| 750 // file, it goes up at the very top of the ad_<arch>.hpp file, so that | |
| 751 // it can be used by register encodings, etc. Otherwise, it goes towards | |
| 752 // the bottom, where it's useful as a global definition to *.cpp files. | |
| 753 void ADLParser::source_hpp_parse(void) { | |
| 754 char *rule = NULL; // String representation of encode rule | |
| 755 | |
| 756 skipws(); // Skip leading whitespace | |
| 757 if ( (rule = find_cpp_block("source_hpp block")) == NULL ) { | |
| 758 parse_err(SYNERR, "incorrect or missing block for 'source_hpp'.\n"); | |
| 759 return; | |
| 760 } | |
| 761 // Debug Stuff | |
| 762 if (_AD._adl_debug > 1) fprintf(stderr,"Header Form: %s\n", rule); | |
| 763 | |
| 764 if (_AD.get_registers() == NULL) { | |
| 765 // Very early in the file, before reg_defs, we collect pre-headers. | |
| 766 PreHeaderForm* pre_header = new PreHeaderForm(rule); | |
| 767 _AD.addForm(pre_header); | |
| 768 } else { | |
| 769 // Normally, we collect header info, placed at the bottom of the hpp file. | |
| 770 HeaderForm* header = new HeaderForm(rule); | |
| 771 _AD.addForm(header); | |
| 772 } | |
| 773 } | |
| 774 | |
| 775 //------------------------------reg_parse-------------------------------------- | |
| 776 void ADLParser::reg_parse(void) { | |
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777 RegisterForm *regBlock = _AD.get_registers(); // Information about registers encoding |
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778 if (regBlock == NULL) { |
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779 // Create the RegisterForm for the architecture description. |
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780 regBlock = new RegisterForm(); // Build new Source object |
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781 _AD.addForm(regBlock); |
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782 } |
| 0 | 783 |
| 784 skipws(); // Skip leading whitespace | |
| 785 if (_curchar == '%' && *(_ptr+1) == '{') { | |
| 786 next_char(); next_char(); // Skip "%{" | |
| 787 skipws(); | |
| 788 while (_curchar != '%' && *(_ptr+1) != '}') { | |
| 789 char *token = get_ident(); | |
| 790 if (token == NULL) { | |
| 791 parse_err(SYNERR, "missing identifier inside register block.\n"); | |
| 792 return; | |
| 793 } | |
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794 if (strcmp(token,"reg_def")==0) { reg_def_parse(); } |
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795 else if (strcmp(token,"reg_class")==0) { reg_class_parse(); } |
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796 else if (strcmp(token,"alloc_class")==0) { alloc_class_parse(); } |
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797 else if (strcmp(token,"#define")==0) { preproc_define(); } |
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798 else { parse_err(SYNERR, "bad token %s inside register block.\n", token); break; } |
| 0 | 799 skipws(); |
| 800 } | |
| 801 } | |
| 802 else { | |
| 803 parse_err(SYNERR, "Missing %c{ ... %c} block after register keyword.\n",'%','%'); | |
| 804 return; | |
| 805 } | |
| 806 } | |
| 807 | |
| 808 //------------------------------encode_parse----------------------------------- | |
| 809 void ADLParser::encode_parse(void) { | |
| 810 EncodeForm *encBlock; // Information about instruction/operand encoding | |
| 811 | |
| 812 _AD.getForm(&encBlock); | |
| 813 if ( encBlock == NULL) { | |
| 814 // Create the EncodeForm for the architecture description. | |
| 815 encBlock = new EncodeForm(); // Build new Source object | |
| 816 _AD.addForm(encBlock); | |
| 817 } | |
| 818 | |
| 819 skipws(); // Skip leading whitespace | |
| 820 if (_curchar == '%' && *(_ptr+1) == '{') { | |
| 821 next_char(); next_char(); // Skip "%{" | |
| 822 skipws(); | |
| 823 while (_curchar != '%' && *(_ptr+1) != '}') { | |
| 824 char *token = get_ident(); | |
| 825 if (token == NULL) { | |
| 826 parse_err(SYNERR, "missing identifier inside encoding block.\n"); | |
| 827 return; | |
| 828 } | |
| 829 if (strcmp(token,"enc_class")==0) { enc_class_parse(); } | |
| 830 skipws(); | |
| 831 } | |
| 832 } | |
| 833 else { | |
| 834 parse_err(SYNERR, "Missing %c{ ... %c} block after encode keyword.\n",'%','%'); | |
| 835 return; | |
| 836 } | |
| 837 } | |
| 838 | |
| 839 //------------------------------enc_class_parse-------------------------------- | |
| 840 void ADLParser::enc_class_parse(void) { | |
| 841 char *ec_name; // Name of encoding class being defined | |
| 842 | |
| 843 // Get encoding class name | |
| 844 skipws(); // Skip whitespace | |
| 845 ec_name = get_ident(); | |
| 846 if (ec_name == NULL) { | |
| 847 parse_err(SYNERR, "missing encoding class name after encode.\n"); | |
| 848 return; | |
| 849 } | |
| 850 | |
| 851 EncClass *encoding = _AD._encode->add_EncClass(ec_name); | |
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852 encoding->_linenum = linenum(); |
| 0 | 853 |
| 854 skipws(); // Skip leading whitespace | |
| 855 // Check for optional parameter list | |
| 856 if (_curchar == '(') { | |
| 857 do { | |
| 858 char *pType = NULL; // parameter type | |
| 859 char *pName = NULL; // parameter name | |
| 860 | |
| 861 next_char(); // skip open paren & comma characters | |
| 862 skipws(); | |
| 863 if (_curchar == ')') break; | |
| 864 | |
| 865 // Get parameter type | |
| 866 pType = get_ident(); | |
| 867 if (pType == NULL) { | |
| 868 parse_err(SYNERR, "parameter type expected at %c\n", _curchar); | |
| 869 return; | |
| 870 } | |
| 871 | |
| 872 skipws(); | |
| 873 // Get parameter name | |
| 874 pName = get_ident(); | |
| 875 if (pName == NULL) { | |
| 876 parse_err(SYNERR, "parameter name expected at %c\n", _curchar); | |
| 877 return; | |
| 878 } | |
| 879 | |
| 880 // Record parameter type and name | |
| 881 encoding->add_parameter( pType, pName ); | |
| 882 | |
| 883 skipws(); | |
| 884 } while(_curchar == ','); | |
| 885 | |
| 886 if (_curchar != ')') parse_err(SYNERR, "missing ')'\n"); | |
| 887 else { | |
| 888 next_char(); // Skip ')' | |
| 889 } | |
| 890 } // Done with parameter list | |
| 891 | |
| 892 skipws(); | |
| 893 // Check for block starting delimiters | |
| 894 if ((_curchar != '%') || (*(_ptr+1) != '{')) { // If not open block | |
| 895 parse_err(SYNERR, "missing '%c{' in enc_class definition\n", '%'); | |
| 896 return; | |
| 897 } | |
| 898 next_char(); // Skip '%' | |
| 899 next_char(); // Skip '{' | |
| 900 | |
| 901 enc_class_parse_block(encoding, ec_name); | |
| 902 } | |
| 903 | |
| 904 | |
| 905 void ADLParser::enc_class_parse_block(EncClass* encoding, char* ec_name) { | |
| 906 skipws_no_preproc(); // Skip leading whitespace | |
| 907 // Prepend location descriptor, for debugging; cf. ADLParser::find_cpp_block | |
| 908 if (_AD._adlocation_debug) { | |
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909 encoding->add_code(get_line_string()); |
| 0 | 910 } |
| 911 | |
| 912 // Collect the parts of the encode description | |
| 913 // (1) strings that are passed through to output | |
| 914 // (2) replacement/substitution variable, preceeded by a '$' | |
| 915 while ( (_curchar != '%') && (*(_ptr+1) != '}') ) { | |
| 916 | |
| 917 // (1) | |
| 918 // Check if there is a string to pass through to output | |
| 919 char *start = _ptr; // Record start of the next string | |
| 920 while ((_curchar != '$') && ((_curchar != '%') || (*(_ptr+1) != '}')) ) { | |
| 921 // If at the start of a comment, skip past it | |
| 922 if( (_curchar == '/') && ((*(_ptr+1) == '/') || (*(_ptr+1) == '*')) ) { | |
| 923 skipws_no_preproc(); | |
| 924 } else { | |
| 925 // ELSE advance to the next character, or start of the next line | |
| 926 next_char_or_line(); | |
| 927 } | |
| 928 } | |
| 929 // If a string was found, terminate it and record in EncClass | |
| 930 if ( start != _ptr ) { | |
| 931 *_ptr = '\0'; // Terminate the string | |
| 932 encoding->add_code(start); | |
| 933 } | |
| 934 | |
| 935 // (2) | |
| 936 // If we are at a replacement variable, | |
| 937 // copy it and record in EncClass | |
| 2008 | 938 if (_curchar == '$') { |
| 0 | 939 // Found replacement Variable |
| 2008 | 940 char* rep_var = get_rep_var_ident_dup(); |
| 0 | 941 // Add flag to _strings list indicating we should check _rep_vars |
| 942 encoding->add_rep_var(rep_var); | |
| 943 } | |
| 944 } // end while part of format description | |
| 945 next_char(); // Skip '%' | |
| 946 next_char(); // Skip '}' | |
| 947 | |
| 948 skipws(); | |
| 949 | |
|
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950 if (_AD._adlocation_debug) { |
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951 encoding->add_code(end_line_marker()); |
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952 } |
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953 |
| 0 | 954 // Debug Stuff |
| 955 if (_AD._adl_debug > 1) fprintf(stderr,"EncodingClass Form: %s\n", ec_name); | |
| 956 } | |
| 957 | |
| 958 //------------------------------frame_parse----------------------------------- | |
| 959 void ADLParser::frame_parse(void) { | |
| 960 FrameForm *frame; // Information about stack-frame layout | |
| 961 char *desc = NULL; // String representation of frame | |
| 962 | |
| 963 skipws(); // Skip leading whitespace | |
| 964 | |
| 965 frame = new FrameForm(); // Build new Frame object | |
| 966 // Check for open block sequence | |
| 967 skipws(); // Skip leading whitespace | |
| 968 if (_curchar == '%' && *(_ptr+1) == '{') { | |
| 969 next_char(); next_char(); // Skip "%{" | |
| 970 skipws(); | |
| 971 while (_curchar != '%' && *(_ptr+1) != '}') { | |
| 972 char *token = get_ident(); | |
| 973 if (token == NULL) { | |
| 974 parse_err(SYNERR, "missing identifier inside frame block.\n"); | |
| 975 return; | |
| 976 } | |
| 977 if (strcmp(token,"stack_direction")==0) { | |
| 978 stack_dir_parse(frame); | |
| 979 } | |
| 980 if (strcmp(token,"sync_stack_slots")==0) { | |
| 981 sync_stack_slots_parse(frame); | |
| 982 } | |
| 983 if (strcmp(token,"frame_pointer")==0) { | |
| 984 frame_pointer_parse(frame, false); | |
| 985 } | |
| 986 if (strcmp(token,"interpreter_frame_pointer")==0) { | |
| 987 interpreter_frame_pointer_parse(frame, false); | |
| 988 } | |
| 989 if (strcmp(token,"inline_cache_reg")==0) { | |
| 990 inline_cache_parse(frame, false); | |
| 991 } | |
| 992 if (strcmp(token,"compiler_method_oop_reg")==0) { | |
| 993 parse_err(WARN, "Using obsolete Token, compiler_method_oop_reg"); | |
| 994 skipws(); | |
| 995 } | |
| 996 if (strcmp(token,"interpreter_method_oop_reg")==0) { | |
| 997 interpreter_method_oop_parse(frame, false); | |
| 998 } | |
| 999 if (strcmp(token,"cisc_spilling_operand_name")==0) { | |
| 1000 cisc_spilling_operand_name_parse(frame, false); | |
| 1001 } | |
| 1002 if (strcmp(token,"stack_alignment")==0) { | |
| 1003 stack_alignment_parse(frame); | |
| 1004 } | |
| 1005 if (strcmp(token,"return_addr")==0) { | |
| 1006 return_addr_parse(frame, false); | |
| 1007 } | |
| 1008 if (strcmp(token,"in_preserve_stack_slots")==0) { | |
| 1009 preserve_stack_parse(frame); | |
| 1010 } | |
| 1011 if (strcmp(token,"out_preserve_stack_slots")==0) { | |
| 1012 parse_err(WARN, "Using obsolete token, out_preserve_stack_slots"); | |
| 1013 skipws(); | |
| 1014 } | |
| 1015 if (strcmp(token,"varargs_C_out_slots_killed")==0) { | |
| 1016 frame->_varargs_C_out_slots_killed = parse_one_arg("varargs C out slots killed"); | |
| 1017 } | |
| 1018 if (strcmp(token,"calling_convention")==0) { | |
| 1019 frame->_calling_convention = calling_convention_parse(); | |
| 1020 } | |
| 1021 if (strcmp(token,"return_value")==0) { | |
| 1022 frame->_return_value = return_value_parse(); | |
| 1023 } | |
| 1024 if (strcmp(token,"c_frame_pointer")==0) { | |
| 1025 frame_pointer_parse(frame, true); | |
| 1026 } | |
| 1027 if (strcmp(token,"c_return_addr")==0) { | |
| 1028 return_addr_parse(frame, true); | |
| 1029 } | |
| 1030 if (strcmp(token,"c_calling_convention")==0) { | |
| 1031 frame->_c_calling_convention = calling_convention_parse(); | |
| 1032 } | |
| 1033 if (strcmp(token,"c_return_value")==0) { | |
| 1034 frame->_c_return_value = return_value_parse(); | |
| 1035 } | |
| 1036 | |
| 1037 skipws(); | |
| 1038 } | |
| 1039 } | |
| 1040 else { | |
| 1041 parse_err(SYNERR, "Missing %c{ ... %c} block after encode keyword.\n",'%','%'); | |
| 1042 return; | |
| 1043 } | |
| 1044 // All Java versions are required, native versions are optional | |
| 1045 if(frame->_frame_pointer == NULL) { | |
| 1046 parse_err(SYNERR, "missing frame pointer definition in frame section.\n"); | |
| 1047 return; | |
| 1048 } | |
| 1049 // !!!!! !!!!! | |
| 1050 // if(frame->_interpreter_frame_ptr_reg == NULL) { | |
| 1051 // parse_err(SYNERR, "missing interpreter frame pointer definition in frame section.\n"); | |
| 1052 // return; | |
| 1053 // } | |
| 1054 if(frame->_alignment == NULL) { | |
| 1055 parse_err(SYNERR, "missing alignment definition in frame section.\n"); | |
| 1056 return; | |
| 1057 } | |
| 1058 if(frame->_return_addr == NULL) { | |
| 1059 parse_err(SYNERR, "missing return address location in frame section.\n"); | |
| 1060 return; | |
| 1061 } | |
| 1062 if(frame->_in_preserve_slots == NULL) { | |
| 1063 parse_err(SYNERR, "missing stack slot preservation definition in frame section.\n"); | |
| 1064 return; | |
| 1065 } | |
| 1066 if(frame->_varargs_C_out_slots_killed == NULL) { | |
| 1067 parse_err(SYNERR, "missing varargs C out slots killed definition in frame section.\n"); | |
| 1068 return; | |
| 1069 } | |
| 1070 if(frame->_calling_convention == NULL) { | |
| 1071 parse_err(SYNERR, "missing calling convention definition in frame section.\n"); | |
| 1072 return; | |
| 1073 } | |
| 1074 if(frame->_return_value == NULL) { | |
| 1075 parse_err(SYNERR, "missing return value definition in frame section.\n"); | |
| 1076 return; | |
| 1077 } | |
| 1078 // Fill natives in identically with the Java versions if not present. | |
| 1079 if(frame->_c_frame_pointer == NULL) { | |
| 1080 frame->_c_frame_pointer = frame->_frame_pointer; | |
| 1081 } | |
| 1082 if(frame->_c_return_addr == NULL) { | |
| 1083 frame->_c_return_addr = frame->_return_addr; | |
| 1084 frame->_c_return_addr_loc = frame->_return_addr_loc; | |
| 1085 } | |
| 1086 if(frame->_c_calling_convention == NULL) { | |
| 1087 frame->_c_calling_convention = frame->_calling_convention; | |
| 1088 } | |
| 1089 if(frame->_c_return_value == NULL) { | |
| 1090 frame->_c_return_value = frame->_return_value; | |
| 1091 } | |
| 1092 | |
| 1093 // Debug Stuff | |
| 1094 if (_AD._adl_debug > 1) fprintf(stderr,"Frame Form: %s\n", desc); | |
| 1095 | |
| 1096 // Create the EncodeForm for the architecture description. | |
| 1097 _AD.addForm(frame); | |
| 1098 // skipws(); | |
| 1099 } | |
| 1100 | |
| 1101 //------------------------------stack_dir_parse-------------------------------- | |
| 1102 void ADLParser::stack_dir_parse(FrameForm *frame) { | |
| 1103 char *direction = parse_one_arg("stack direction entry"); | |
| 1104 if (strcmp(direction, "TOWARDS_LOW") == 0) { | |
| 1105 frame->_direction = false; | |
| 1106 } | |
| 1107 else if (strcmp(direction, "TOWARDS_HIGH") == 0) { | |
| 1108 frame->_direction = true; | |
| 1109 } | |
| 1110 else { | |
| 1111 parse_err(SYNERR, "invalid value inside stack direction entry.\n"); | |
| 1112 return; | |
| 1113 } | |
| 1114 } | |
| 1115 | |
| 1116 //------------------------------sync_stack_slots_parse------------------------- | |
| 1117 void ADLParser::sync_stack_slots_parse(FrameForm *frame) { | |
| 1118 // Assign value into frame form | |
| 1119 frame->_sync_stack_slots = parse_one_arg("sync stack slots entry"); | |
| 1120 } | |
| 1121 | |
| 1122 //------------------------------frame_pointer_parse---------------------------- | |
| 1123 void ADLParser::frame_pointer_parse(FrameForm *frame, bool native) { | |
| 1124 char *frame_pointer = parse_one_arg("frame pointer entry"); | |
| 1125 // Assign value into frame form | |
| 1126 if (native) { frame->_c_frame_pointer = frame_pointer; } | |
| 1127 else { frame->_frame_pointer = frame_pointer; } | |
| 1128 } | |
| 1129 | |
| 1130 //------------------------------interpreter_frame_pointer_parse---------------------------- | |
| 1131 void ADLParser::interpreter_frame_pointer_parse(FrameForm *frame, bool native) { | |
| 1132 frame->_interpreter_frame_pointer_reg = parse_one_arg("interpreter frame pointer entry"); | |
| 1133 } | |
| 1134 | |
| 1135 //------------------------------inline_cache_parse----------------------------- | |
| 1136 void ADLParser::inline_cache_parse(FrameForm *frame, bool native) { | |
| 1137 frame->_inline_cache_reg = parse_one_arg("inline cache reg entry"); | |
| 1138 } | |
| 1139 | |
| 1140 //------------------------------interpreter_method_oop_parse------------------ | |
| 1141 void ADLParser::interpreter_method_oop_parse(FrameForm *frame, bool native) { | |
| 1142 frame->_interpreter_method_oop_reg = parse_one_arg("method oop reg entry"); | |
| 1143 } | |
| 1144 | |
| 1145 //------------------------------cisc_spilling_operand_parse--------------------- | |
| 1146 void ADLParser::cisc_spilling_operand_name_parse(FrameForm *frame, bool native) { | |
| 1147 frame->_cisc_spilling_operand_name = parse_one_arg("cisc spilling operand name"); | |
| 1148 } | |
| 1149 | |
| 1150 //------------------------------stack_alignment_parse-------------------------- | |
| 1151 void ADLParser::stack_alignment_parse(FrameForm *frame) { | |
| 1152 char *alignment = parse_one_arg("stack alignment entry"); | |
| 1153 // Assign value into frame | |
| 1154 frame->_alignment = alignment; | |
| 1155 } | |
| 1156 | |
| 1157 //------------------------------parse_one_arg------------------------------- | |
| 1158 char *ADLParser::parse_one_arg(const char *description) { | |
| 1159 char *token = NULL; | |
| 1160 if(_curchar == '(') { | |
| 1161 next_char(); | |
| 1162 skipws(); | |
| 1163 token = get_expr(description, ")"); | |
| 1164 if (token == NULL) { | |
| 1165 parse_err(SYNERR, "missing value inside %s.\n", description); | |
| 1166 return NULL; | |
| 1167 } | |
| 1168 next_char(); // skip the close paren | |
| 1169 if(_curchar != ';') { // check for semi-colon | |
| 1170 parse_err(SYNERR, "missing %c in.\n", ';', description); | |
| 1171 return NULL; | |
| 1172 } | |
| 1173 next_char(); // skip the semi-colon | |
| 1174 } | |
| 1175 else { | |
| 1176 parse_err(SYNERR, "Missing %c in.\n", '(', description); | |
| 1177 return NULL; | |
| 1178 } | |
| 1179 | |
| 1180 trim(token); | |
| 1181 return token; | |
| 1182 } | |
| 1183 | |
| 1184 //------------------------------return_addr_parse------------------------------ | |
| 1185 void ADLParser::return_addr_parse(FrameForm *frame, bool native) { | |
| 1186 bool in_register = true; | |
| 1187 if(_curchar == '(') { | |
| 1188 next_char(); | |
| 1189 skipws(); | |
| 1190 char *token = get_ident(); | |
| 1191 if (token == NULL) { | |
| 1192 parse_err(SYNERR, "missing value inside return address entry.\n"); | |
| 1193 return; | |
| 1194 } | |
| 1195 // check for valid values for stack/register | |
| 1196 if (strcmp(token, "REG") == 0) { | |
| 1197 in_register = true; | |
| 1198 } | |
| 1199 else if (strcmp(token, "STACK") == 0) { | |
| 1200 in_register = false; | |
| 1201 } | |
| 1202 else { | |
| 1203 parse_err(SYNERR, "invalid value inside return_address entry.\n"); | |
| 1204 return; | |
| 1205 } | |
| 1206 if (native) { frame->_c_return_addr_loc = in_register; } | |
| 1207 else { frame->_return_addr_loc = in_register; } | |
| 1208 | |
| 1209 // Parse expression that specifies register or stack position | |
| 1210 skipws(); | |
| 1211 char *token2 = get_expr("return address entry", ")"); | |
| 1212 if (token2 == NULL) { | |
| 1213 parse_err(SYNERR, "missing value inside return address entry.\n"); | |
| 1214 return; | |
| 1215 } | |
| 1216 next_char(); // skip the close paren | |
| 1217 if (native) { frame->_c_return_addr = token2; } | |
| 1218 else { frame->_return_addr = token2; } | |
| 1219 | |
| 1220 if(_curchar != ';') { // check for semi-colon | |
| 1221 parse_err(SYNERR, "missing %c in return address entry.\n", ';'); | |
| 1222 return; | |
| 1223 } | |
| 1224 next_char(); // skip the semi-colon | |
| 1225 } | |
| 1226 else { | |
| 1227 parse_err(SYNERR, "Missing %c in return_address entry.\n", '('); | |
| 1228 } | |
| 1229 } | |
| 1230 | |
| 1231 //------------------------------preserve_stack_parse--------------------------- | |
| 1232 void ADLParser::preserve_stack_parse(FrameForm *frame) { | |
| 1233 if(_curchar == '(') { | |
| 1234 char *token = get_paren_expr("preserve_stack_slots"); | |
| 1235 frame->_in_preserve_slots = token; | |
| 1236 | |
| 1237 if(_curchar != ';') { // check for semi-colon | |
| 1238 parse_err(SYNERR, "missing %c in preserve stack slot entry.\n", ';'); | |
| 1239 return; | |
| 1240 } | |
| 1241 next_char(); // skip the semi-colon | |
| 1242 } | |
| 1243 else { | |
| 1244 parse_err(SYNERR, "Missing %c in preserve stack slot entry.\n", '('); | |
| 1245 } | |
| 1246 } | |
| 1247 | |
| 1248 //------------------------------calling_convention_parse----------------------- | |
| 1249 char *ADLParser::calling_convention_parse() { | |
| 1250 char *desc = NULL; // String representation of calling_convention | |
| 1251 | |
| 1252 skipws(); // Skip leading whitespace | |
| 1253 if ( (desc = find_cpp_block("calling convention block")) == NULL ) { | |
| 1254 parse_err(SYNERR, "incorrect or missing block for 'calling_convention'.\n"); | |
| 1255 } | |
| 1256 return desc; | |
| 1257 } | |
| 1258 | |
| 1259 //------------------------------return_value_parse----------------------------- | |
| 1260 char *ADLParser::return_value_parse() { | |
| 1261 char *desc = NULL; // String representation of calling_convention | |
| 1262 | |
| 1263 skipws(); // Skip leading whitespace | |
| 1264 if ( (desc = find_cpp_block("return value block")) == NULL ) { | |
| 1265 parse_err(SYNERR, "incorrect or missing block for 'return_value'.\n"); | |
| 1266 } | |
| 1267 return desc; | |
| 1268 } | |
| 1269 | |
| 1270 //------------------------------ins_pipe_parse--------------------------------- | |
| 1271 void ADLParser::ins_pipe_parse(InstructForm &instr) { | |
| 1272 char * ident; | |
| 1273 | |
| 1274 skipws(); | |
| 1275 if ( _curchar != '(' ) { // Check for delimiter | |
| 1276 parse_err(SYNERR, "missing \"(\" in ins_pipe definition\n"); | |
| 1277 return; | |
| 1278 } | |
| 1279 | |
| 1280 next_char(); | |
| 1281 ident = get_ident(); // Grab next identifier | |
| 1282 | |
| 1283 if (ident == NULL) { | |
| 1284 parse_err(SYNERR, "keyword identifier expected at %c\n", _curchar); | |
| 1285 return; | |
| 1286 } | |
| 1287 | |
| 1288 skipws(); | |
| 1289 if ( _curchar != ')' ) { // Check for delimiter | |
| 1290 parse_err(SYNERR, "missing \")\" in ins_pipe definition\n"); | |
| 1291 return; | |
| 1292 } | |
| 1293 | |
| 1294 next_char(); // skip the close paren | |
| 1295 if(_curchar != ';') { // check for semi-colon | |
| 1296 parse_err(SYNERR, "missing %c in return value entry.\n", ';'); | |
| 1297 return; | |
| 1298 } | |
| 1299 next_char(); // skip the semi-colon | |
| 1300 | |
| 1301 // Check ident for validity | |
| 1302 if (_AD._pipeline && !_AD._pipeline->_classlist.search(ident)) { | |
| 1303 parse_err(SYNERR, "\"%s\" is not a valid pipeline class\n", ident); | |
| 1304 return; | |
| 1305 } | |
| 1306 | |
| 1307 // Add this instruction to the list in the pipeline class | |
| 1308 _AD._pipeline->_classdict[ident]->is_pipeclass()->_instructs.addName(instr._ident); | |
| 1309 | |
| 1310 // Set the name of the pipeline class in the instruction | |
| 1311 instr._ins_pipe = ident; | |
| 1312 return; | |
| 1313 } | |
| 1314 | |
| 1315 //------------------------------pipe_parse------------------------------------- | |
| 1316 void ADLParser::pipe_parse(void) { | |
| 1317 PipelineForm *pipeline; // Encode class for instruction/operand | |
| 1318 char * ident; | |
| 1319 | |
| 1320 pipeline = new PipelineForm(); // Build new Source object | |
| 1321 _AD.addForm(pipeline); | |
| 1322 | |
| 1323 skipws(); // Skip leading whitespace | |
| 1324 // Check for block delimiter | |
| 1325 if ( (_curchar != '%') | |
| 1326 || ( next_char(), (_curchar != '{')) ) { | |
|
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|
1327 parse_err(SYNERR, "missing '%%{' in pipeline definition\n"); |
| 0 | 1328 return; |
| 1329 } | |
| 1330 next_char(); // Maintain the invariant | |
| 1331 do { | |
| 1332 ident = get_ident(); // Grab next identifier | |
| 1333 if (ident == NULL) { | |
| 1334 parse_err(SYNERR, "keyword identifier expected at %c\n", _curchar); | |
| 1335 continue; | |
| 1336 } | |
| 1337 if (!strcmp(ident, "resources" )) resource_parse(*pipeline); | |
| 1338 else if (!strcmp(ident, "pipe_desc" )) pipe_desc_parse(*pipeline); | |
| 1339 else if (!strcmp(ident, "pipe_class")) pipe_class_parse(*pipeline); | |
| 1340 else if (!strcmp(ident, "define")) { | |
| 1341 skipws(); | |
| 1342 if ( (_curchar != '%') | |
| 1343 || ( next_char(), (_curchar != '{')) ) { | |
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diff
changeset
|
1344 parse_err(SYNERR, "expected '%%{'\n"); |
| 0 | 1345 return; |
| 1346 } | |
| 1347 next_char(); skipws(); | |
| 1348 | |
| 1349 char *node_class = get_ident(); | |
| 1350 if (node_class == NULL) { | |
| 1351 parse_err(SYNERR, "expected identifier, found \"%c\"\n", _curchar); | |
| 1352 return; | |
| 1353 } | |
| 1354 | |
| 1355 skipws(); | |
| 1356 if (_curchar != ',' && _curchar != '=') { | |
| 1357 parse_err(SYNERR, "expected `=`, found '%c'\n", _curchar); | |
| 1358 break; | |
| 1359 } | |
| 1360 next_char(); skipws(); | |
| 1361 | |
| 1362 char *pipe_class = get_ident(); | |
| 1363 if (pipe_class == NULL) { | |
| 1364 parse_err(SYNERR, "expected identifier, found \"%c\"\n", _curchar); | |
| 1365 return; | |
| 1366 } | |
| 1367 if (_curchar != ';' ) { | |
| 1368 parse_err(SYNERR, "expected `;`, found '%c'\n", _curchar); | |
| 1369 break; | |
| 1370 } | |
| 1371 next_char(); // Skip over semi-colon | |
| 1372 | |
| 1373 skipws(); | |
| 1374 if ( (_curchar != '%') | |
| 1375 || ( next_char(), (_curchar != '}')) ) { | |
| 1376 parse_err(SYNERR, "expected '%%}', found \"%c\"\n", _curchar); | |
| 1377 } | |
| 1378 next_char(); | |
| 1379 | |
| 1380 // Check ident for validity | |
| 1381 if (_AD._pipeline && !_AD._pipeline->_classlist.search(pipe_class)) { | |
| 1382 parse_err(SYNERR, "\"%s\" is not a valid pipeline class\n", pipe_class); | |
| 1383 return; | |
| 1384 } | |
| 1385 | |
| 1386 // Add this machine node to the list in the pipeline class | |
| 1387 _AD._pipeline->_classdict[pipe_class]->is_pipeclass()->_instructs.addName(node_class); | |
| 1388 | |
| 1389 MachNodeForm *machnode = new MachNodeForm(node_class); // Create new machnode form | |
| 1390 machnode->_machnode_pipe = pipe_class; | |
| 1391 | |
| 1392 _AD.addForm(machnode); | |
| 1393 } | |
| 1394 else if (!strcmp(ident, "attributes")) { | |
| 6850 | 1395 bool vsi_seen = false; |
| 0 | 1396 |
| 1397 skipws(); | |
| 1398 if ( (_curchar != '%') | |
| 1399 || ( next_char(), (_curchar != '{')) ) { | |
|
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parents:
6850
diff
changeset
|
1400 parse_err(SYNERR, "expected '%%{'\n"); |
| 0 | 1401 return; |
| 1402 } | |
| 1403 next_char(); skipws(); | |
| 1404 | |
| 1405 while (_curchar != '%') { | |
| 1406 ident = get_ident(); | |
| 1407 if (ident == NULL) | |
| 1408 break; | |
| 1409 | |
| 1410 if (!strcmp(ident, "variable_size_instructions")) { | |
| 1411 skipws(); | |
| 1412 if (_curchar == ';') { | |
| 1413 next_char(); skipws(); | |
| 1414 } | |
| 1415 | |
| 1416 pipeline->_variableSizeInstrs = true; | |
| 1417 vsi_seen = true; | |
| 1418 continue; | |
| 1419 } | |
| 1420 | |
| 1421 if (!strcmp(ident, "fixed_size_instructions")) { | |
| 1422 skipws(); | |
| 1423 if (_curchar == ';') { | |
| 1424 next_char(); skipws(); | |
| 1425 } | |
| 1426 | |
| 1427 pipeline->_variableSizeInstrs = false; | |
| 1428 vsi_seen = true; | |
| 1429 continue; | |
| 1430 } | |
| 1431 | |
| 1432 if (!strcmp(ident, "branch_has_delay_slot")) { | |
| 1433 skipws(); | |
| 1434 if (_curchar == ';') { | |
| 1435 next_char(); skipws(); | |
| 1436 } | |
| 1437 | |
| 1438 pipeline->_branchHasDelaySlot = true; | |
| 1439 continue; | |
| 1440 } | |
| 1441 | |
| 1442 if (!strcmp(ident, "max_instructions_per_bundle")) { | |
| 1443 skipws(); | |
| 1444 if (_curchar != '=') { | |
| 1445 parse_err(SYNERR, "expected `=`\n"); | |
| 1446 break; | |
| 1447 } | |
| 1448 | |
| 1449 next_char(); skipws(); | |
| 1450 pipeline->_maxInstrsPerBundle = get_int(); | |
| 1451 skipws(); | |
| 1452 | |
| 1453 if (_curchar == ';') { | |
| 1454 next_char(); skipws(); | |
| 1455 } | |
| 1456 | |
| 1457 continue; | |
| 1458 } | |
| 1459 | |
| 1460 if (!strcmp(ident, "max_bundles_per_cycle")) { | |
| 1461 skipws(); | |
| 1462 if (_curchar != '=') { | |
| 1463 parse_err(SYNERR, "expected `=`\n"); | |
| 1464 break; | |
| 1465 } | |
| 1466 | |
| 1467 next_char(); skipws(); | |
| 1468 pipeline->_maxBundlesPerCycle = get_int(); | |
| 1469 skipws(); | |
| 1470 | |
| 1471 if (_curchar == ';') { | |
| 1472 next_char(); skipws(); | |
| 1473 } | |
| 1474 | |
| 1475 continue; | |
| 1476 } | |
| 1477 | |
| 1478 if (!strcmp(ident, "instruction_unit_size")) { | |
| 1479 skipws(); | |
| 1480 if (_curchar != '=') { | |
| 1481 parse_err(SYNERR, "expected `=`, found '%c'\n", _curchar); | |
| 1482 break; | |
| 1483 } | |
| 1484 | |
| 1485 next_char(); skipws(); | |
| 1486 pipeline->_instrUnitSize = get_int(); | |
| 1487 skipws(); | |
| 1488 | |
| 1489 if (_curchar == ';') { | |
| 1490 next_char(); skipws(); | |
| 1491 } | |
| 1492 | |
| 1493 continue; | |
| 1494 } | |
| 1495 | |
| 1496 if (!strcmp(ident, "bundle_unit_size")) { | |
| 1497 skipws(); | |
| 1498 if (_curchar != '=') { | |
| 1499 parse_err(SYNERR, "expected `=`, found '%c'\n", _curchar); | |
| 1500 break; | |
| 1501 } | |
| 1502 | |
| 1503 next_char(); skipws(); | |
| 1504 pipeline->_bundleUnitSize = get_int(); | |
| 1505 skipws(); | |
| 1506 | |
| 1507 if (_curchar == ';') { | |
| 1508 next_char(); skipws(); | |
| 1509 } | |
| 1510 | |
| 1511 continue; | |
| 1512 } | |
| 1513 | |
| 1514 if (!strcmp(ident, "instruction_fetch_unit_size")) { | |
| 1515 skipws(); | |
| 1516 if (_curchar != '=') { | |
| 1517 parse_err(SYNERR, "expected `=`, found '%c'\n", _curchar); | |
| 1518 break; | |
| 1519 } | |
| 1520 | |
| 1521 next_char(); skipws(); | |
| 1522 pipeline->_instrFetchUnitSize = get_int(); | |
| 1523 skipws(); | |
| 1524 | |
| 1525 if (_curchar == ';') { | |
| 1526 next_char(); skipws(); | |
| 1527 } | |
| 1528 | |
| 1529 continue; | |
| 1530 } | |
| 1531 | |
| 1532 if (!strcmp(ident, "instruction_fetch_units")) { | |
| 1533 skipws(); | |
| 1534 if (_curchar != '=') { | |
| 1535 parse_err(SYNERR, "expected `=`, found '%c'\n", _curchar); | |
| 1536 break; | |
| 1537 } | |
| 1538 | |
| 1539 next_char(); skipws(); | |
| 1540 pipeline->_instrFetchUnits = get_int(); | |
| 1541 skipws(); | |
| 1542 | |
| 1543 if (_curchar == ';') { | |
| 1544 next_char(); skipws(); | |
| 1545 } | |
| 1546 | |
| 1547 continue; | |
| 1548 } | |
| 1549 | |
| 1550 if (!strcmp(ident, "nops")) { | |
| 1551 skipws(); | |
| 1552 if (_curchar != '(') { | |
| 1553 parse_err(SYNERR, "expected `(`, found '%c'\n", _curchar); | |
| 1554 break; | |
| 1555 } | |
| 1556 | |
| 1557 next_char(); skipws(); | |
| 1558 | |
| 1559 while (_curchar != ')') { | |
| 1560 ident = get_ident(); | |
| 1561 if (ident == NULL) { | |
| 1562 parse_err(SYNERR, "expected identifier for nop instruction, found '%c'\n", _curchar); | |
| 1563 break; | |
| 1564 } | |
| 1565 | |
| 1566 pipeline->_noplist.addName(ident); | |
| 1567 pipeline->_nopcnt++; | |
| 1568 skipws(); | |
| 1569 | |
| 1570 if (_curchar == ',') { | |
| 1571 next_char(); skipws(); | |
| 1572 } | |
| 1573 } | |
| 1574 | |
| 1575 next_char(); skipws(); | |
| 1576 | |
| 1577 if (_curchar == ';') { | |
| 1578 next_char(); skipws(); | |
| 1579 } | |
| 1580 | |
| 1581 continue; | |
| 1582 } | |
| 1583 | |
| 1584 parse_err(SYNERR, "unknown specifier \"%s\"\n", ident); | |
| 1585 } | |
| 1586 | |
| 1587 if ( (_curchar != '%') | |
| 1588 || ( next_char(), (_curchar != '}')) ) { | |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
1589 parse_err(SYNERR, "expected '%%}', found \"%c\"\n", _curchar); |
| 0 | 1590 } |
| 1591 next_char(); skipws(); | |
| 1592 | |
| 1593 if (pipeline->_maxInstrsPerBundle == 0) | |
| 1594 parse_err(SYNERR, "\"max_instructions_per_bundle\" unspecified\n"); | |
| 1595 if (pipeline->_instrUnitSize == 0 && pipeline->_bundleUnitSize == 0) | |
| 1596 parse_err(SYNERR, "\"instruction_unit_size\" and \"bundle_unit_size\" unspecified\n"); | |
| 1597 if (pipeline->_instrFetchUnitSize == 0) | |
| 1598 parse_err(SYNERR, "\"instruction_fetch_unit_size\" unspecified\n"); | |
| 1599 if (pipeline->_instrFetchUnits == 0) | |
| 1600 parse_err(SYNERR, "\"instruction_fetch_units\" unspecified\n"); | |
| 1601 if (!vsi_seen) | |
| 1602 parse_err(SYNERR, "\"variable_size_instruction\" or \"fixed_size_instruction\" unspecified\n"); | |
| 1603 } | |
| 1604 else { // Done with staticly defined parts of instruction definition | |
| 1605 parse_err(SYNERR, "expected one of \"resources\", \"pipe_desc\", \"pipe_class\", found \"%s\"\n", ident); | |
| 1606 return; | |
| 1607 } | |
| 1608 skipws(); | |
| 1609 if (_curchar == ';') | |
| 1610 skipws(); | |
| 1611 } while(_curchar != '%'); | |
| 1612 | |
| 1613 next_char(); | |
| 1614 if (_curchar != '}') { | |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
1615 parse_err(SYNERR, "missing \"%%}\" in pipeline definition\n"); |
| 0 | 1616 return; |
| 1617 } | |
| 1618 | |
| 1619 next_char(); | |
| 1620 } | |
| 1621 | |
| 1622 //------------------------------resource_parse---------------------------- | |
| 1623 void ADLParser::resource_parse(PipelineForm &pipeline) { | |
| 1624 ResourceForm *resource; | |
| 1625 char * ident; | |
| 1626 char * expr; | |
| 1627 unsigned mask; | |
| 1628 pipeline._rescount = 0; | |
| 1629 | |
| 1630 skipws(); // Skip leading whitespace | |
| 1631 | |
| 1632 if (_curchar != '(') { | |
| 1633 parse_err(SYNERR, "missing \"(\" in resource definition\n"); | |
| 1634 return; | |
| 1635 } | |
| 1636 | |
| 1637 do { | |
| 1638 next_char(); // Skip "(" or "," | |
| 1639 ident = get_ident(); // Grab next identifier | |
| 1640 | |
| 6850 | 1641 if (_AD._adl_debug > 1) { |
| 1642 if (ident != NULL) { | |
| 1643 fprintf(stderr, "resource_parse: identifier: %s\n", ident); | |
| 1644 } | |
| 1645 } | |
| 1646 | |
| 0 | 1647 if (ident == NULL) { |
| 1648 parse_err(SYNERR, "keyword identifier expected at \"%c\"\n", _curchar); | |
| 1649 return; | |
| 1650 } | |
| 1651 skipws(); | |
| 1652 | |
| 1653 if (_curchar != '=') { | |
| 1654 mask = (1 << pipeline._rescount++); | |
| 1655 } | |
| 1656 else { | |
| 1657 next_char(); skipws(); | |
| 1658 expr = get_ident(); // Grab next identifier | |
| 1659 if (expr == NULL) { | |
| 1660 parse_err(SYNERR, "keyword identifier expected at \"%c\"\n", _curchar); | |
| 1661 return; | |
| 1662 } | |
| 1663 resource = (ResourceForm *) pipeline._resdict[expr]; | |
| 1664 if (resource == NULL) { | |
| 1665 parse_err(SYNERR, "resource \"%s\" is not defined\n", expr); | |
| 1666 return; | |
| 1667 } | |
| 1668 mask = resource->mask(); | |
| 1669 | |
| 1670 skipws(); | |
| 1671 while (_curchar == '|') { | |
| 1672 next_char(); skipws(); | |
| 1673 | |
| 1674 expr = get_ident(); // Grab next identifier | |
| 1675 if (expr == NULL) { | |
| 1676 parse_err(SYNERR, "keyword identifier expected at \"%c\"\n", _curchar); | |
| 1677 return; | |
| 1678 } | |
| 1679 | |
| 1680 resource = (ResourceForm *) pipeline._resdict[expr]; // Look up the value | |
| 1681 if (resource == NULL) { | |
| 1682 parse_err(SYNERR, "resource \"%s\" is not defined\n", expr); | |
| 1683 return; | |
| 1684 } | |
| 1685 | |
| 1686 mask |= resource->mask(); | |
| 1687 skipws(); | |
| 1688 } | |
| 1689 } | |
| 1690 | |
| 1691 resource = new ResourceForm(mask); | |
| 1692 | |
| 1693 pipeline._resdict.Insert(ident, resource); | |
| 1694 pipeline._reslist.addName(ident); | |
| 1695 } while (_curchar == ','); | |
| 1696 | |
| 1697 if (_curchar != ')') { | |
| 1698 parse_err(SYNERR, "\")\" expected at \"%c\"\n", _curchar); | |
| 1699 return; | |
| 1700 } | |
| 1701 | |
| 1702 next_char(); // Skip ")" | |
| 1703 if (_curchar == ';') | |
| 1704 next_char(); // Skip ";" | |
| 1705 } | |
| 1706 | |
| 1707 //------------------------------resource_parse---------------------------- | |
| 1708 void ADLParser::pipe_desc_parse(PipelineForm &pipeline) { | |
| 1709 char * ident; | |
| 1710 | |
| 1711 skipws(); // Skip leading whitespace | |
| 1712 | |
| 1713 if (_curchar != '(') { | |
| 1714 parse_err(SYNERR, "missing \"(\" in pipe_desc definition\n"); | |
| 1715 return; | |
| 1716 } | |
| 1717 | |
| 1718 do { | |
| 1719 next_char(); // Skip "(" or "," | |
| 1720 ident = get_ident(); // Grab next identifier | |
| 1721 if (ident == NULL) { | |
| 1722 parse_err(SYNERR, "keyword identifier expected at \"%c\"\n", _curchar); | |
| 1723 return; | |
| 1724 } | |
| 1725 | |
| 1726 // Add the name to the list | |
| 1727 pipeline._stages.addName(ident); | |
| 1728 pipeline._stagecnt++; | |
| 1729 | |
| 1730 skipws(); | |
| 1731 } while (_curchar == ','); | |
| 1732 | |
| 1733 if (_curchar != ')') { | |
| 1734 parse_err(SYNERR, "\")\" expected at \"%c\"\n", _curchar); | |
| 1735 return; | |
| 1736 } | |
| 1737 | |
| 1738 next_char(); // Skip ")" | |
| 1739 if (_curchar == ';') | |
| 1740 next_char(); // Skip ";" | |
| 1741 } | |
| 1742 | |
| 1743 //------------------------------pipe_class_parse-------------------------- | |
| 1744 void ADLParser::pipe_class_parse(PipelineForm &pipeline) { | |
| 1745 PipeClassForm *pipe_class; | |
| 1746 char * ident; | |
| 1747 char * stage; | |
| 1748 char * read_or_write; | |
| 1749 int is_write; | |
| 1750 int is_read; | |
| 1751 OperandForm *oper; | |
| 1752 | |
| 1753 skipws(); // Skip leading whitespace | |
| 1754 | |
| 1755 ident = get_ident(); // Grab next identifier | |
| 1756 | |
| 1757 if (ident == NULL) { | |
| 1758 parse_err(SYNERR, "keyword identifier expected at \"%c\"\n", _curchar); | |
| 1759 return; | |
| 1760 } | |
| 1761 | |
| 1762 // Create a record for the pipe_class | |
| 1763 pipe_class = new PipeClassForm(ident, ++pipeline._classcnt); | |
| 1764 pipeline._classdict.Insert(ident, pipe_class); | |
| 1765 pipeline._classlist.addName(ident); | |
| 1766 | |
| 1767 // Then get the operands | |
| 1768 skipws(); | |
| 1769 if (_curchar != '(') { | |
| 1770 parse_err(SYNERR, "missing \"(\" in pipe_class definition\n"); | |
| 1771 } | |
| 1772 // Parse the operand list | |
| 1773 else get_oplist(pipe_class->_parameters, pipe_class->_localNames); | |
| 1774 skipws(); // Skip leading whitespace | |
| 1775 // Check for block delimiter | |
| 1776 if ( (_curchar != '%') | |
| 1777 || ( next_char(), (_curchar != '{')) ) { | |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
1778 parse_err(SYNERR, "missing \"%%{\" in pipe_class definition\n"); |
| 0 | 1779 return; |
| 1780 } | |
| 1781 next_char(); | |
| 1782 | |
| 1783 do { | |
| 1784 ident = get_ident(); // Grab next identifier | |
| 1785 if (ident == NULL) { | |
| 1786 parse_err(SYNERR, "keyword identifier expected at \"%c\"\n", _curchar); | |
| 1787 continue; | |
| 1788 } | |
| 1789 skipws(); | |
| 1790 | |
| 1791 if (!strcmp(ident, "fixed_latency")) { | |
| 1792 skipws(); | |
| 1793 if (_curchar != '(') { | |
| 1794 parse_err(SYNERR, "missing \"(\" in latency definition\n"); | |
| 1795 return; | |
| 1796 } | |
| 1797 next_char(); skipws(); | |
| 1798 if( !isdigit(_curchar) ) { | |
| 1799 parse_err(SYNERR, "number expected for \"%c\" in latency definition\n", _curchar); | |
| 1800 return; | |
| 1801 } | |
| 1802 int fixed_latency = get_int(); | |
| 1803 skipws(); | |
| 1804 if (_curchar != ')') { | |
| 1805 parse_err(SYNERR, "missing \")\" in latency definition\n"); | |
| 1806 return; | |
| 1807 } | |
| 1808 next_char(); skipws(); | |
| 1809 if (_curchar != ';') { | |
| 1810 parse_err(SYNERR, "missing \";\" in latency definition\n"); | |
| 1811 return; | |
| 1812 } | |
| 1813 | |
| 1814 pipe_class->setFixedLatency(fixed_latency); | |
| 1815 next_char(); skipws(); | |
| 1816 continue; | |
| 1817 } | |
| 1818 | |
| 1819 if (!strcmp(ident, "zero_instructions") || | |
| 1820 !strcmp(ident, "no_instructions")) { | |
| 1821 skipws(); | |
| 1822 if (_curchar != ';') { | |
| 1823 parse_err(SYNERR, "missing \";\" in latency definition\n"); | |
| 1824 return; | |
| 1825 } | |
| 1826 | |
| 1827 pipe_class->setInstructionCount(0); | |
| 1828 next_char(); skipws(); | |
| 1829 continue; | |
| 1830 } | |
| 1831 | |
| 1832 if (!strcmp(ident, "one_instruction_with_delay_slot") || | |
| 1833 !strcmp(ident, "single_instruction_with_delay_slot")) { | |
| 1834 skipws(); | |
| 1835 if (_curchar != ';') { | |
| 1836 parse_err(SYNERR, "missing \";\" in latency definition\n"); | |
| 1837 return; | |
| 1838 } | |
| 1839 | |
| 1840 pipe_class->setInstructionCount(1); | |
| 1841 pipe_class->setBranchDelay(true); | |
| 1842 next_char(); skipws(); | |
| 1843 continue; | |
| 1844 } | |
| 1845 | |
| 1846 if (!strcmp(ident, "one_instruction") || | |
| 1847 !strcmp(ident, "single_instruction")) { | |
| 1848 skipws(); | |
| 1849 if (_curchar != ';') { | |
| 1850 parse_err(SYNERR, "missing \";\" in latency definition\n"); | |
| 1851 return; | |
| 1852 } | |
| 1853 | |
| 1854 pipe_class->setInstructionCount(1); | |
| 1855 next_char(); skipws(); | |
| 1856 continue; | |
| 1857 } | |
| 1858 | |
| 1859 if (!strcmp(ident, "instructions_in_first_bundle") || | |
| 1860 !strcmp(ident, "instruction_count")) { | |
| 1861 skipws(); | |
| 1862 | |
| 1863 int number_of_instructions = 1; | |
| 1864 | |
| 1865 if (_curchar != '(') { | |
| 1866 parse_err(SYNERR, "\"(\" expected at \"%c\"\n", _curchar); | |
| 1867 continue; | |
| 1868 } | |
| 1869 | |
| 1870 next_char(); skipws(); | |
| 1871 number_of_instructions = get_int(); | |
| 1872 | |
| 1873 skipws(); | |
| 1874 if (_curchar != ')') { | |
| 1875 parse_err(SYNERR, "\")\" expected at \"%c\"\n", _curchar); | |
| 1876 continue; | |
| 1877 } | |
| 1878 | |
| 1879 next_char(); skipws(); | |
| 1880 if (_curchar != ';') { | |
| 1881 parse_err(SYNERR, "missing \";\" in latency definition\n"); | |
| 1882 return; | |
| 1883 } | |
| 1884 | |
| 1885 pipe_class->setInstructionCount(number_of_instructions); | |
| 1886 next_char(); skipws(); | |
| 1887 continue; | |
| 1888 } | |
| 1889 | |
| 1890 if (!strcmp(ident, "multiple_bundles")) { | |
| 1891 skipws(); | |
| 1892 if (_curchar != ';') { | |
| 1893 parse_err(SYNERR, "missing \";\" after multiple bundles\n"); | |
| 1894 return; | |
| 1895 } | |
| 1896 | |
| 1897 pipe_class->setMultipleBundles(true); | |
| 1898 next_char(); skipws(); | |
| 1899 continue; | |
| 1900 } | |
| 1901 | |
| 1902 if (!strcmp(ident, "has_delay_slot")) { | |
| 1903 skipws(); | |
| 1904 if (_curchar != ';') { | |
| 1905 parse_err(SYNERR, "missing \";\" after \"has_delay_slot\"\n"); | |
| 1906 return; | |
| 1907 } | |
| 1908 | |
| 1909 pipe_class->setBranchDelay(true); | |
| 1910 next_char(); skipws(); | |
| 1911 continue; | |
| 1912 } | |
| 1913 | |
| 1914 if (!strcmp(ident, "force_serialization")) { | |
| 1915 skipws(); | |
| 1916 if (_curchar != ';') { | |
| 1917 parse_err(SYNERR, "missing \";\" after \"force_serialization\"\n"); | |
| 1918 return; | |
| 1919 } | |
| 1920 | |
| 1921 pipe_class->setForceSerialization(true); | |
| 1922 next_char(); skipws(); | |
| 1923 continue; | |
| 1924 } | |
| 1925 | |
| 1926 if (!strcmp(ident, "may_have_no_code")) { | |
| 1927 skipws(); | |
| 1928 if (_curchar != ';') { | |
| 1929 parse_err(SYNERR, "missing \";\" after \"may_have_no_code\"\n"); | |
| 1930 return; | |
| 1931 } | |
| 1932 | |
| 1933 pipe_class->setMayHaveNoCode(true); | |
| 1934 next_char(); skipws(); | |
| 1935 continue; | |
| 1936 } | |
| 1937 | |
| 1938 const Form *parm = pipe_class->_localNames[ident]; | |
| 1939 if (parm != NULL) { | |
| 1940 oper = parm->is_operand(); | |
| 1941 if (oper == NULL && !parm->is_opclass()) { | |
| 1942 parse_err(SYNERR, "operand name expected at %s\n", ident); | |
| 1943 continue; | |
| 1944 } | |
| 1945 | |
| 1946 if (_curchar != ':') { | |
| 1947 parse_err(SYNERR, "\":\" expected at \"%c\"\n", _curchar); | |
| 1948 continue; | |
| 1949 } | |
| 1950 next_char(); skipws(); | |
| 1951 stage = get_ident(); | |
| 1952 if (stage == NULL) { | |
| 1953 parse_err(SYNERR, "pipeline stage identifier expected at \"%c\"\n", _curchar); | |
| 1954 continue; | |
| 1955 } | |
| 1956 | |
| 1957 skipws(); | |
| 1958 if (_curchar != '(') { | |
| 1959 parse_err(SYNERR, "\"(\" expected at \"%c\"\n", _curchar); | |
| 1960 continue; | |
| 1961 } | |
| 1962 | |
| 1963 next_char(); | |
| 1964 read_or_write = get_ident(); | |
| 1965 if (read_or_write == NULL) { | |
| 1966 parse_err(SYNERR, "\"read\" or \"write\" expected at \"%c\"\n", _curchar); | |
| 1967 continue; | |
| 1968 } | |
| 1969 | |
| 1970 is_read = strcmp(read_or_write, "read") == 0; | |
| 1971 is_write = strcmp(read_or_write, "write") == 0; | |
| 1972 if (!is_read && !is_write) { | |
| 1973 parse_err(SYNERR, "\"read\" or \"write\" expected at \"%c\"\n", _curchar); | |
| 1974 continue; | |
| 1975 } | |
| 1976 | |
| 1977 skipws(); | |
| 1978 if (_curchar != ')') { | |
| 1979 parse_err(SYNERR, "\")\" expected at \"%c\"\n", _curchar); | |
| 1980 continue; | |
| 1981 } | |
| 1982 | |
| 1983 next_char(); skipws(); | |
| 1984 int more_instrs = 0; | |
| 1985 if (_curchar == '+') { | |
| 1986 next_char(); skipws(); | |
| 1987 if (_curchar < '0' || _curchar > '9') { | |
| 1988 parse_err(SYNERR, "<number> expected at \"%c\"\n", _curchar); | |
| 1989 continue; | |
| 1990 } | |
| 1991 while (_curchar >= '0' && _curchar <= '9') { | |
| 1992 more_instrs *= 10; | |
| 1993 more_instrs += _curchar - '0'; | |
| 1994 next_char(); | |
| 1995 } | |
| 1996 skipws(); | |
| 1997 } | |
| 1998 | |
| 1999 PipeClassOperandForm *pipe_operand = new PipeClassOperandForm(stage, is_write, more_instrs); | |
| 2000 pipe_class->_localUsage.Insert(ident, pipe_operand); | |
| 2001 | |
| 2002 if (_curchar == '%') | |
| 2003 continue; | |
| 2004 | |
| 2005 if (_curchar != ';') { | |
| 2006 parse_err(SYNERR, "\";\" expected at \"%c\"\n", _curchar); | |
| 2007 continue; | |
| 2008 } | |
| 2009 next_char(); skipws(); | |
| 2010 continue; | |
| 2011 } | |
| 2012 | |
| 2013 // Scan for Resource Specifier | |
| 2014 const Form *res = pipeline._resdict[ident]; | |
| 2015 if (res != NULL) { | |
| 2016 int cyclecnt = 1; | |
| 2017 if (_curchar != ':') { | |
| 2018 parse_err(SYNERR, "\":\" expected at \"%c\"\n", _curchar); | |
| 2019 continue; | |
| 2020 } | |
| 2021 next_char(); skipws(); | |
| 2022 stage = get_ident(); | |
| 2023 if (stage == NULL) { | |
| 2024 parse_err(SYNERR, "pipeline stage identifier expected at \"%c\"\n", _curchar); | |
| 2025 continue; | |
| 2026 } | |
| 2027 | |
| 2028 skipws(); | |
| 2029 if (_curchar == '(') { | |
| 2030 next_char(); | |
| 2031 cyclecnt = get_int(); | |
| 2032 | |
| 2033 skipws(); | |
| 2034 if (_curchar != ')') { | |
| 2035 parse_err(SYNERR, "\")\" expected at \"%c\"\n", _curchar); | |
| 2036 continue; | |
| 2037 } | |
| 2038 | |
| 2039 next_char(); skipws(); | |
| 2040 } | |
| 2041 | |
| 2042 PipeClassResourceForm *resource = new PipeClassResourceForm(ident, stage, cyclecnt); | |
| 2043 int stagenum = pipeline._stages.index(stage); | |
| 2044 if (pipeline._maxcycleused < (stagenum+cyclecnt)) | |
| 2045 pipeline._maxcycleused = (stagenum+cyclecnt); | |
| 2046 pipe_class->_resUsage.addForm(resource); | |
| 2047 | |
| 2048 if (_curchar == '%') | |
| 2049 continue; | |
| 2050 | |
| 2051 if (_curchar != ';') { | |
| 2052 parse_err(SYNERR, "\";\" expected at \"%c\"\n", _curchar); | |
| 2053 continue; | |
| 2054 } | |
| 2055 next_char(); skipws(); | |
| 2056 continue; | |
| 2057 } | |
| 2058 | |
| 2059 parse_err(SYNERR, "resource expected at \"%s\"\n", ident); | |
| 2060 return; | |
| 2061 } while(_curchar != '%'); | |
| 2062 | |
| 2063 next_char(); | |
| 2064 if (_curchar != '}') { | |
|
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6850
diff
changeset
|
2065 parse_err(SYNERR, "missing \"%%}\" in pipe_class definition\n"); |
| 0 | 2066 return; |
| 2067 } | |
| 2068 | |
| 2069 next_char(); | |
| 2070 } | |
| 2071 | |
| 2072 //------------------------------peep_parse------------------------------------- | |
| 2073 void ADLParser::peep_parse(void) { | |
| 2074 Peephole *peep; // Pointer to current peephole rule form | |
| 2075 char *desc = NULL; // String representation of rule | |
| 2076 | |
| 2077 skipws(); // Skip leading whitespace | |
| 2078 | |
| 2079 peep = new Peephole(); // Build new Peephole object | |
| 2080 // Check for open block sequence | |
| 2081 skipws(); // Skip leading whitespace | |
| 2082 if (_curchar == '%' && *(_ptr+1) == '{') { | |
| 2083 next_char(); next_char(); // Skip "%{" | |
| 2084 skipws(); | |
| 2085 while (_curchar != '%' && *(_ptr+1) != '}') { | |
| 2086 char *token = get_ident(); | |
| 2087 if (token == NULL) { | |
| 2088 parse_err(SYNERR, "missing identifier inside peephole rule.\n"); | |
| 2089 return; | |
| 2090 } | |
| 2091 // check for legal subsections of peephole rule | |
| 2092 if (strcmp(token,"peepmatch")==0) { | |
| 2093 peep_match_parse(*peep); } | |
| 2094 else if (strcmp(token,"peepconstraint")==0) { | |
| 2095 peep_constraint_parse(*peep); } | |
| 2096 else if (strcmp(token,"peepreplace")==0) { | |
| 2097 peep_replace_parse(*peep); } | |
| 2098 else { | |
| 2099 parse_err(SYNERR, "expected peepmatch, peepconstraint, or peepreplace for identifier %s.\n", token); | |
| 2100 } | |
| 2101 skipws(); | |
| 2102 } | |
| 2103 } | |
| 2104 else { | |
| 2105 parse_err(SYNERR, "Missing %%{ ... %%} block after peephole keyword.\n"); | |
| 2106 return; | |
| 2107 } | |
| 2108 next_char(); // Skip past '%' | |
| 2109 next_char(); // Skip past '}' | |
| 2110 } | |
| 2111 | |
| 2112 // ******************** Private Level 2 Parse Functions ******************** | |
| 2113 //------------------------------constraint_parse------------------------------ | |
| 2114 Constraint *ADLParser::constraint_parse(void) { | |
| 2115 char *func; | |
| 2116 char *arg; | |
| 2117 | |
| 2118 // Check for constraint expression | |
| 2119 skipws(); | |
| 2120 if (_curchar != '(') { | |
| 2121 parse_err(SYNERR, "missing constraint expression, (...)\n"); | |
| 2122 return NULL; | |
| 2123 } | |
| 2124 next_char(); // Skip past '(' | |
| 2125 | |
| 2126 // Get constraint function | |
| 2127 skipws(); | |
| 2128 func = get_ident(); | |
| 2129 if (func == NULL) { | |
| 2130 parse_err(SYNERR, "missing function in constraint expression.\n"); | |
| 2131 return NULL; | |
| 2132 } | |
| 2133 if (strcmp(func,"ALLOC_IN_RC")==0 | |
| 2134 || strcmp(func,"IS_R_CLASS")==0) { | |
| 2135 // Check for '(' before argument | |
| 2136 skipws(); | |
| 2137 if (_curchar != '(') { | |
| 2138 parse_err(SYNERR, "missing '(' for constraint function's argument.\n"); | |
| 2139 return NULL; | |
| 2140 } | |
| 2141 next_char(); | |
| 2142 | |
| 2143 // Get it's argument | |
| 2144 skipws(); | |
| 2145 arg = get_ident(); | |
| 2146 if (arg == NULL) { | |
| 2147 parse_err(SYNERR, "missing argument for constraint function %s\n",func); | |
| 2148 return NULL; | |
| 2149 } | |
| 2150 // Check for ')' after argument | |
| 2151 skipws(); | |
| 2152 if (_curchar != ')') { | |
| 2153 parse_err(SYNERR, "missing ')' after constraint function argument %s\n",arg); | |
| 2154 return NULL; | |
| 2155 } | |
| 2156 next_char(); | |
| 2157 } else { | |
| 2158 parse_err(SYNERR, "Invalid constraint function %s\n",func); | |
| 2159 return NULL; | |
| 2160 } | |
| 2161 | |
| 2162 // Check for closing paren and ';' | |
| 2163 skipws(); | |
| 2164 if (_curchar != ')') { | |
| 2165 parse_err(SYNERR, "Missing ')' for constraint function %s\n",func); | |
| 2166 return NULL; | |
| 2167 } | |
| 2168 next_char(); | |
| 2169 skipws(); | |
| 2170 if (_curchar != ';') { | |
| 2171 parse_err(SYNERR, "Missing ';' after constraint.\n"); | |
| 2172 return NULL; | |
| 2173 } | |
| 2174 next_char(); | |
| 2175 | |
| 2176 // Create new "Constraint" | |
| 2177 Constraint *constraint = new Constraint(func,arg); | |
| 2178 return constraint; | |
| 2179 } | |
| 2180 | |
| 2181 //------------------------------constr_parse----------------------------------- | |
| 2182 ConstructRule *ADLParser::construct_parse(void) { | |
| 2183 return NULL; | |
| 2184 } | |
| 2185 | |
| 2186 | |
| 2187 //------------------------------reg_def_parse---------------------------------- | |
| 2188 void ADLParser::reg_def_parse(void) { | |
| 2189 char *rname; // Name of register being defined | |
| 2190 | |
| 2191 // Get register name | |
| 2192 skipws(); // Skip whitespace | |
| 2193 rname = get_ident(); | |
| 2194 if (rname == NULL) { | |
| 2195 parse_err(SYNERR, "missing register name after reg_def\n"); | |
| 2196 return; | |
| 2197 } | |
| 2198 | |
| 2199 // Check for definition of register calling convention (save on call, ...), | |
| 2200 // register save type, and register encoding value. | |
| 2201 skipws(); | |
| 2202 char *callconv = NULL; | |
| 2203 char *c_conv = NULL; | |
| 2204 char *idealtype = NULL; | |
| 2205 char *encoding = NULL; | |
| 2206 char *concrete = NULL; | |
| 2207 if (_curchar == '(') { | |
| 2208 next_char(); | |
| 2209 callconv = get_ident(); | |
| 2210 // Parse the internal calling convention, must be NS, SOC, SOE, or AS. | |
| 2211 if (callconv == NULL) { | |
| 2212 parse_err(SYNERR, "missing register calling convention value\n"); | |
| 2213 return; | |
| 2214 } | |
| 2215 if(strcmp(callconv, "SOC") && strcmp(callconv,"SOE") && | |
| 2216 strcmp(callconv, "NS") && strcmp(callconv, "AS")) { | |
| 2217 parse_err(SYNERR, "invalid value for register calling convention\n"); | |
| 2218 } | |
| 2219 skipws(); | |
| 2220 if (_curchar != ',') { | |
| 2221 parse_err(SYNERR, "missing comma in register definition statement\n"); | |
| 2222 return; | |
| 2223 } | |
| 2224 next_char(); | |
| 2225 | |
| 2226 // Parse the native calling convention, must be NS, SOC, SOE, AS | |
| 2227 c_conv = get_ident(); | |
| 2228 if (c_conv == NULL) { | |
| 2229 parse_err(SYNERR, "missing register native calling convention value\n"); | |
| 2230 return; | |
| 2231 } | |
| 2232 if(strcmp(c_conv, "SOC") && strcmp(c_conv,"SOE") && | |
| 2233 strcmp(c_conv, "NS") && strcmp(c_conv, "AS")) { | |
| 2234 parse_err(SYNERR, "invalid value for register calling convention\n"); | |
| 2235 } | |
| 2236 skipws(); | |
| 2237 if (_curchar != ',') { | |
| 2238 parse_err(SYNERR, "missing comma in register definition statement\n"); | |
| 2239 return; | |
| 2240 } | |
| 2241 next_char(); | |
| 2242 skipws(); | |
| 2243 | |
| 2244 // Parse the ideal save type | |
| 2245 idealtype = get_ident(); | |
| 2246 if (idealtype == NULL) { | |
| 2247 parse_err(SYNERR, "missing register save type value\n"); | |
| 2248 return; | |
| 2249 } | |
| 2250 skipws(); | |
| 2251 if (_curchar != ',') { | |
| 2252 parse_err(SYNERR, "missing comma in register definition statement\n"); | |
| 2253 return; | |
| 2254 } | |
| 2255 next_char(); | |
| 2256 skipws(); | |
| 2257 | |
| 2258 // Parse the encoding value | |
| 2259 encoding = get_expr("encoding", ","); | |
| 2260 if (encoding == NULL) { | |
| 2261 parse_err(SYNERR, "missing register encoding value\n"); | |
| 2262 return; | |
| 2263 } | |
| 2264 trim(encoding); | |
| 2265 if (_curchar != ',') { | |
| 2266 parse_err(SYNERR, "missing comma in register definition statement\n"); | |
| 2267 return; | |
| 2268 } | |
| 2269 next_char(); | |
| 2270 skipws(); | |
| 2271 // Parse the concrete name type | |
| 2272 // concrete = get_ident(); | |
| 2273 concrete = get_expr("concrete", ")"); | |
| 2274 if (concrete == NULL) { | |
| 2275 parse_err(SYNERR, "missing vm register name value\n"); | |
| 2276 return; | |
| 2277 } | |
| 2278 | |
| 2279 if (_curchar != ')') { | |
| 2280 parse_err(SYNERR, "missing ')' in register definition statement\n"); | |
| 2281 return; | |
| 2282 } | |
| 2283 next_char(); | |
| 2284 } | |
| 2285 | |
| 2286 // Check for closing ';' | |
| 2287 skipws(); | |
| 2288 if (_curchar != ';') { | |
| 2289 parse_err(SYNERR, "missing ';' after reg_def\n"); | |
| 2290 return; | |
| 2291 } | |
| 2292 next_char(); // move past ';' | |
| 2293 | |
| 2294 // Debug Stuff | |
| 2295 if (_AD._adl_debug > 1) { | |
| 2296 fprintf(stderr,"Register Definition: %s ( %s, %s %s )\n", rname, | |
| 2297 (callconv ? callconv : ""), (c_conv ? c_conv : ""), concrete); | |
| 2298 } | |
| 2299 | |
| 2300 // Record new register definition. | |
| 2301 _AD._register->addRegDef(rname, callconv, c_conv, idealtype, encoding, concrete); | |
| 2302 return; | |
| 2303 } | |
| 2304 | |
| 2305 //------------------------------reg_class_parse-------------------------------- | |
| 2306 void ADLParser::reg_class_parse(void) { | |
| 2307 char *cname; // Name of register class being defined | |
| 2308 | |
| 2309 // Get register class name | |
| 2310 skipws(); // Skip leading whitespace | |
| 2311 cname = get_ident(); | |
| 2312 if (cname == NULL) { | |
| 2313 parse_err(SYNERR, "missing register class name after 'reg_class'\n"); | |
| 2314 return; | |
| 2315 } | |
| 2316 // Debug Stuff | |
| 2317 if (_AD._adl_debug >1) fprintf(stderr,"Register Class: %s\n", cname); | |
| 2318 | |
| 2319 RegClass *reg_class = _AD._register->addRegClass(cname); | |
| 2320 | |
| 2321 // Collect registers in class | |
| 2322 skipws(); | |
| 2323 if (_curchar == '(') { | |
| 2324 next_char(); // Skip '(' | |
| 2325 skipws(); | |
| 2326 while (_curchar != ')') { | |
| 2327 char *rname = get_ident(); | |
| 2328 if (rname==NULL) { | |
| 2329 parse_err(SYNERR, "missing identifier inside reg_class list.\n"); | |
| 2330 return; | |
| 2331 } | |
| 2332 RegDef *regDef = _AD._register->getRegDef(rname); | |
|
475
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jrose
parents:
415
diff
changeset
|
2333 if (!regDef) { |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
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parents:
415
diff
changeset
|
2334 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
|
2335 } else { |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
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parents:
415
diff
changeset
|
2336 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
|
2337 } |
| 0 | 2338 |
| 2339 // Check for ',' and position to next token. | |
| 2340 skipws(); | |
| 2341 if (_curchar == ',') { | |
| 2342 next_char(); // Skip trailing ',' | |
| 2343 skipws(); | |
| 2344 } | |
| 2345 } | |
| 2346 next_char(); // Skip closing ')' | |
|
4121
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7090968: Allow adlc register class to depend on runtime conditions
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parents:
4120
diff
changeset
|
2347 } else if (_curchar == '%') { |
|
db2e64ca2d5a
7090968: Allow adlc register class to depend on runtime conditions
roland
parents:
4120
diff
changeset
|
2348 char *code = find_cpp_block("reg class"); |
|
db2e64ca2d5a
7090968: Allow adlc register class to depend on runtime conditions
roland
parents:
4120
diff
changeset
|
2349 if (code == NULL) { |
|
db2e64ca2d5a
7090968: Allow adlc register class to depend on runtime conditions
roland
parents:
4120
diff
changeset
|
2350 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
|
2351 return; |
|
db2e64ca2d5a
7090968: Allow adlc register class to depend on runtime conditions
roland
parents:
4120
diff
changeset
|
2352 } |
|
db2e64ca2d5a
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parents:
4120
diff
changeset
|
2353 reg_class->_user_defined = code; |
|
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diff
changeset
|
2354 return; |
| 0 | 2355 } |
| 2356 | |
| 2357 // Check for terminating ';' | |
| 2358 skipws(); | |
| 2359 if (_curchar != ';') { | |
| 2360 parse_err(SYNERR, "missing ';' at end of reg_class definition.\n"); | |
| 2361 return; | |
| 2362 } | |
| 2363 next_char(); // Skip trailing ';' | |
| 2364 | |
| 2365 // Check RegClass size, must be <= 32 registers in class. | |
| 2366 | |
| 2367 return; | |
| 2368 } | |
| 2369 | |
| 2370 //------------------------------alloc_class_parse------------------------------ | |
| 2371 void ADLParser::alloc_class_parse(void) { | |
| 2372 char *name; // Name of allocation class being defined | |
| 2373 | |
| 2374 // Get allocation class name | |
| 2375 skipws(); // Skip leading whitespace | |
| 2376 name = get_ident(); | |
| 2377 if (name == NULL) { | |
| 2378 parse_err(SYNERR, "missing allocation class name after 'reg_class'\n"); | |
| 2379 return; | |
| 2380 } | |
| 2381 // Debug Stuff | |
| 2382 if (_AD._adl_debug >1) fprintf(stderr,"Allocation Class: %s\n", name); | |
| 2383 | |
| 2384 AllocClass *alloc_class = _AD._register->addAllocClass(name); | |
| 2385 | |
| 2386 // Collect registers in class | |
| 2387 skipws(); | |
| 2388 if (_curchar == '(') { | |
| 2389 next_char(); // Skip '(' | |
| 2390 skipws(); | |
| 2391 while (_curchar != ')') { | |
| 2392 char *rname = get_ident(); | |
| 2393 if (rname==NULL) { | |
| 2394 parse_err(SYNERR, "missing identifier inside reg_class list.\n"); | |
| 2395 return; | |
| 2396 } | |
| 2397 // Check if name is a RegDef | |
| 2398 RegDef *regDef = _AD._register->getRegDef(rname); | |
| 2399 if (regDef) { | |
| 2400 alloc_class->addReg(regDef); // add regDef to allocClass | |
| 2401 } else { | |
| 2402 | |
| 2403 // name must be a RegDef or a RegClass | |
| 2404 parse_err(SYNERR, "name %s should be a previously defined reg_def.\n", rname); | |
| 2405 return; | |
| 2406 } | |
| 2407 | |
| 2408 // Check for ',' and position to next token. | |
| 2409 skipws(); | |
| 2410 if (_curchar == ',') { | |
| 2411 next_char(); // Skip trailing ',' | |
| 2412 skipws(); | |
| 2413 } | |
| 2414 } | |
| 2415 next_char(); // Skip closing ')' | |
| 2416 } | |
| 2417 | |
| 2418 // Check for terminating ';' | |
| 2419 skipws(); | |
| 2420 if (_curchar != ';') { | |
| 2421 parse_err(SYNERR, "missing ';' at end of reg_class definition.\n"); | |
| 2422 return; | |
| 2423 } | |
| 2424 next_char(); // Skip trailing ';' | |
| 2425 | |
| 2426 return; | |
| 2427 } | |
| 2428 | |
| 2429 //------------------------------peep_match_child_parse------------------------- | |
| 2430 InstructForm *ADLParser::peep_match_child_parse(PeepMatch &match, int parent, int &position, int input){ | |
| 2431 char *token = NULL; | |
| 2432 int lparen = 0; // keep track of parenthesis nesting depth | |
| 2433 int rparen = 0; // position of instruction at this depth | |
| 2434 InstructForm *inst_seen = NULL; | |
| 2435 | |
| 2436 // Walk the match tree, | |
| 2437 // Record <parent, position, instruction name, input position> | |
| 2438 while ( lparen >= rparen ) { | |
| 2439 skipws(); | |
| 2440 // Left paren signals start of an input, collect with recursive call | |
| 2441 if (_curchar == '(') { | |
| 2442 ++lparen; | |
| 2443 next_char(); | |
| 6850 | 2444 ( void ) peep_match_child_parse(match, parent, position, rparen); |
| 0 | 2445 } |
| 2446 // Right paren signals end of an input, may be more | |
| 2447 else if (_curchar == ')') { | |
| 2448 ++rparen; | |
| 2449 if( rparen == lparen ) { // IF rparen matches an lparen I've seen | |
| 2450 next_char(); // move past ')' | |
| 2451 } else { // ELSE leave ')' for parent | |
| 2452 assert( rparen == lparen + 1, "Should only see one extra ')'"); | |
| 2453 // if an instruction was not specified for this paren-pair | |
| 2454 if( ! inst_seen ) { // record signal entry | |
| 2455 match.add_instruction( parent, position, NameList::_signal, input ); | |
| 2456 ++position; | |
| 2457 } | |
| 2458 // ++input; // TEMPORARY | |
| 2459 return inst_seen; | |
| 2460 } | |
| 2461 } | |
| 2462 // if no parens, then check for instruction name | |
| 2463 // This instruction is the parent of a sub-tree | |
| 2464 else if ((token = get_ident_dup()) != NULL) { | |
| 2465 const Form *form = _AD._globalNames[token]; | |
| 2466 if (form) { | |
| 2467 InstructForm *inst = form->is_instruction(); | |
| 2468 // Record the first instruction at this level | |
| 2469 if( inst_seen == NULL ) { | |
| 2470 inst_seen = inst; | |
| 2471 } | |
| 2472 if (inst) { | |
| 2473 match.add_instruction( parent, position, token, input ); | |
| 2474 parent = position; | |
| 2475 ++position; | |
| 2476 } else { | |
| 2477 parse_err(SYNERR, "instruction name expected at identifier %s.\n", | |
| 2478 token); | |
| 2479 return inst_seen; | |
| 2480 } | |
| 2481 } | |
| 2482 else { | |
| 2483 parse_err(SYNERR, "missing identifier in peepmatch rule.\n"); | |
| 2484 return NULL; | |
| 2485 } | |
| 2486 } | |
| 2487 else { | |
| 2488 parse_err(SYNERR, "missing identifier in peepmatch rule.\n"); | |
| 2489 return NULL; | |
| 2490 } | |
| 2491 | |
| 2492 } // end while | |
| 2493 | |
| 2494 assert( false, "ShouldNotReachHere();"); | |
| 2495 return NULL; | |
| 2496 } | |
| 2497 | |
| 2498 //------------------------------peep_match_parse------------------------------- | |
| 2499 // Syntax for a peepmatch rule | |
| 2500 // | |
| 2501 // peepmatch ( root_instr_name [(instruction subtree)] [,(instruction subtree)]* ); | |
| 2502 // | |
| 2503 void ADLParser::peep_match_parse(Peephole &peep) { | |
| 2504 | |
| 2505 skipws(); | |
| 2506 // Check the structure of the rule | |
| 2507 // Check for open paren | |
| 2508 if (_curchar != '(') { | |
| 2509 parse_err(SYNERR, "missing '(' at start of peepmatch rule.\n"); | |
| 2510 return; | |
| 2511 } | |
| 2512 next_char(); // skip '(' | |
| 2513 | |
| 2514 // Construct PeepMatch and parse the peepmatch rule. | |
| 2515 PeepMatch *match = new PeepMatch(_ptr); | |
| 2516 int parent = -1; // parent of root | |
| 2517 int position = 0; // zero-based positions | |
| 2518 int input = 0; // input position in parent's operands | |
| 2519 InstructForm *root= peep_match_child_parse( *match, parent, position, input); | |
| 2520 if( root == NULL ) { | |
| 2521 parse_err(SYNERR, "missing instruction-name at start of peepmatch.\n"); | |
| 2522 return; | |
| 2523 } | |
| 2524 | |
| 2525 if( _curchar != ')' ) { | |
| 2526 parse_err(SYNERR, "missing ')' at end of peepmatch.\n"); | |
| 2527 return; | |
| 2528 } | |
| 2529 next_char(); // skip ')' | |
| 2530 | |
| 2531 // Check for closing semicolon | |
| 2532 skipws(); | |
| 2533 if( _curchar != ';' ) { | |
| 2534 parse_err(SYNERR, "missing ';' at end of peepmatch.\n"); | |
| 2535 return; | |
| 2536 } | |
| 2537 next_char(); // skip ';' | |
| 2538 | |
| 2539 // Store match into peep, and store peep into instruction | |
| 2540 peep.add_match(match); | |
| 2541 root->append_peephole(&peep); | |
| 2542 } | |
| 2543 | |
| 2544 //------------------------------peep_constraint_parse-------------------------- | |
| 2545 // Syntax for a peepconstraint rule | |
| 2546 // A parenthesized list of relations between operands in peepmatch subtree | |
| 2547 // | |
| 2548 // peepconstraint %{ | |
| 2549 // (instruction_number.operand_name | |
| 2550 // relational_op | |
| 2551 // instruction_number.operand_name OR register_name | |
| 2552 // [, ...] ); | |
| 2553 // | |
| 2554 // // instruction numbers are zero-based using topological order in peepmatch | |
| 2555 // | |
| 2556 void ADLParser::peep_constraint_parse(Peephole &peep) { | |
| 2557 | |
| 2558 skipws(); | |
| 2559 // Check the structure of the rule | |
| 2560 // Check for open paren | |
| 2561 if (_curchar != '(') { | |
| 2562 parse_err(SYNERR, "missing '(' at start of peepconstraint rule.\n"); | |
| 2563 return; | |
| 2564 } | |
| 2565 else { | |
| 2566 next_char(); // Skip '(' | |
| 2567 } | |
| 2568 | |
| 2569 // Check for a constraint | |
| 2570 skipws(); | |
| 2571 while( _curchar != ')' ) { | |
| 2572 // Get information on the left instruction and its operand | |
| 2573 // left-instructions's number | |
|
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2574 int left_inst = get_int(); |
| 0 | 2575 // Left-instruction's operand |
| 2576 skipws(); | |
| 2577 if( _curchar != '.' ) { | |
| 2578 parse_err(SYNERR, "missing '.' in peepconstraint after instruction number.\n"); | |
| 2579 return; | |
| 2580 } | |
| 2581 next_char(); // Skip '.' | |
| 2582 char *left_op = get_ident_dup(); | |
| 2583 | |
| 2584 skipws(); | |
| 2585 // Collect relational operator | |
| 2586 char *relation = get_relation_dup(); | |
| 2587 | |
| 2588 skipws(); | |
| 2589 // Get information on the right instruction and its operand | |
|
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2590 int right_inst; // Right-instructions's number |
| 0 | 2591 if( isdigit(_curchar) ) { |
| 2592 right_inst = get_int(); | |
| 2593 // Right-instruction's operand | |
| 2594 skipws(); | |
| 2595 if( _curchar != '.' ) { | |
| 2596 parse_err(SYNERR, "missing '.' in peepconstraint after instruction number.\n"); | |
| 2597 return; | |
| 2598 } | |
| 2599 next_char(); // Skip '.' | |
| 2600 } else { | |
| 2601 right_inst = -1; // Flag as being a register constraint | |
| 2602 } | |
| 2603 | |
| 2604 char *right_op = get_ident_dup(); | |
| 2605 | |
| 2606 // Construct the next PeepConstraint | |
| 2607 PeepConstraint *constraint = new PeepConstraint( left_inst, left_op, | |
| 2608 relation, | |
| 2609 right_inst, right_op ); | |
| 2610 // And append it to the list for this peephole rule | |
| 2611 peep.append_constraint( constraint ); | |
| 2612 | |
| 2613 // Check for another constraint, or end of rule | |
| 2614 skipws(); | |
| 2615 if( _curchar == ',' ) { | |
| 2616 next_char(); // Skip ',' | |
| 2617 skipws(); | |
| 2618 } | |
| 2619 else if( _curchar != ')' ) { | |
| 2620 parse_err(SYNERR, "expected ',' or ')' after peephole constraint.\n"); | |
| 2621 return; | |
| 2622 } | |
| 2623 } // end while( processing constraints ) | |
| 2624 next_char(); // Skip ')' | |
| 2625 | |
| 2626 // Check for terminating ';' | |
| 2627 skipws(); | |
| 2628 if (_curchar != ';') { | |
| 2629 parse_err(SYNERR, "missing ';' at end of peepconstraint.\n"); | |
| 2630 return; | |
| 2631 } | |
| 2632 next_char(); // Skip trailing ';' | |
| 2633 } | |
| 2634 | |
| 2635 | |
| 2636 //------------------------------peep_replace_parse----------------------------- | |
| 2637 // Syntax for a peepreplace rule | |
| 2638 // root instruction name followed by a | |
| 2639 // parenthesized list of whitespace separated instruction.operand specifiers | |
| 2640 // | |
| 2641 // peepreplace ( instr_name ( [instruction_number.operand_name]* ) ); | |
| 2642 // | |
| 2643 // | |
| 2644 void ADLParser::peep_replace_parse(Peephole &peep) { | |
| 2645 int lparen = 0; // keep track of parenthesis nesting depth | |
| 2646 int rparen = 0; // keep track of parenthesis nesting depth | |
| 2647 int icount = 0; // count of instructions in rule for naming | |
| 2648 char *str = NULL; | |
| 2649 char *token = NULL; | |
| 2650 | |
| 2651 skipws(); | |
| 2652 // Check for open paren | |
| 2653 if (_curchar != '(') { | |
| 2654 parse_err(SYNERR, "missing '(' at start of peepreplace rule.\n"); | |
| 2655 return; | |
| 2656 } | |
| 2657 else { | |
| 2658 lparen++; | |
| 2659 next_char(); | |
| 2660 } | |
| 2661 | |
| 2662 // Check for root instruction | |
| 2663 char *inst = get_ident_dup(); | |
| 2664 const Form *form = _AD._globalNames[inst]; | |
| 2665 if( form == NULL || form->is_instruction() == NULL ) { | |
| 2666 parse_err(SYNERR, "Instruction name expected at start of peepreplace.\n"); | |
| 2667 return; | |
| 2668 } | |
| 2669 | |
| 2670 // Store string representation of rule into replace | |
| 2671 PeepReplace *replace = new PeepReplace(str); | |
| 2672 replace->add_instruction( inst ); | |
| 2673 | |
| 2674 skipws(); | |
| 2675 // Start of root's operand-list | |
| 2676 if (_curchar != '(') { | |
| 2677 parse_err(SYNERR, "missing '(' at peepreplace root's operand-list.\n"); | |
| 2678 return; | |
| 2679 } | |
| 2680 else { | |
| 2681 lparen++; | |
| 2682 next_char(); | |
| 2683 } | |
| 2684 | |
| 2685 skipws(); | |
| 2686 // Get the list of operands | |
| 2687 while( _curchar != ')' ) { | |
| 2688 // Get information on an instruction and its operand | |
| 2689 // instructions's number | |
| 2690 int inst_num = get_int(); | |
| 2691 // Left-instruction's operand | |
| 2692 skipws(); | |
| 2693 if( _curchar != '.' ) { | |
| 2694 parse_err(SYNERR, "missing '.' in peepreplace after instruction number.\n"); | |
| 2695 return; | |
| 2696 } | |
| 2697 next_char(); // Skip '.' | |
| 2698 char *inst_op = get_ident_dup(); | |
| 2699 if( inst_op == NULL ) { | |
| 2700 parse_err(SYNERR, "missing operand identifier in peepreplace.\n"); | |
| 2701 return; | |
| 2702 } | |
| 2703 | |
| 2704 // Record this operand's position in peepmatch | |
| 2705 replace->add_operand( inst_num, inst_op ); | |
| 2706 skipws(); | |
| 2707 } | |
| 2708 | |
| 2709 // Check for the end of operands list | |
| 2710 skipws(); | |
| 2711 assert( _curchar == ')', "While loop should have advanced to ')'."); | |
| 2712 next_char(); // Skip ')' | |
| 2713 | |
| 2714 skipws(); | |
| 2715 // Check for end of peepreplace | |
| 2716 if( _curchar != ')' ) { | |
| 2717 parse_err(SYNERR, "missing ')' at end of peepmatch.\n"); | |
| 2718 parse_err(SYNERR, "Support one replacement instruction.\n"); | |
| 2719 return; | |
| 2720 } | |
| 2721 next_char(); // Skip ')' | |
| 2722 | |
| 2723 // Check for closing semicolon | |
| 2724 skipws(); | |
| 2725 if( _curchar != ';' ) { | |
| 2726 parse_err(SYNERR, "missing ';' at end of peepreplace.\n"); | |
| 2727 return; | |
| 2728 } | |
| 2729 next_char(); // skip ';' | |
| 2730 | |
| 2731 // Store replace into peep | |
| 2732 peep.add_replace( replace ); | |
| 2733 } | |
| 2734 | |
| 2735 //------------------------------pred_parse------------------------------------- | |
| 2736 Predicate *ADLParser::pred_parse(void) { | |
| 2737 Predicate *predicate; // Predicate class for operand | |
| 2738 char *rule = NULL; // String representation of predicate | |
| 2739 | |
| 2740 skipws(); // Skip leading whitespace | |
|
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2741 int line = linenum(); |
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2742 if ( (rule = get_paren_expr("pred expression", true)) == NULL ) { |
| 0 | 2743 parse_err(SYNERR, "incorrect or missing expression for 'predicate'\n"); |
| 2744 return NULL; | |
| 2745 } | |
| 2746 // Debug Stuff | |
| 2747 if (_AD._adl_debug > 1) fprintf(stderr,"Predicate: %s\n", rule); | |
| 2748 if (_curchar != ';') { | |
| 2749 parse_err(SYNERR, "missing ';' in predicate definition\n"); | |
| 2750 return NULL; | |
| 2751 } | |
| 2752 next_char(); // Point after the terminator | |
| 2753 | |
| 2754 predicate = new Predicate(rule); // Build new predicate object | |
| 2755 skipws(); | |
| 2756 return predicate; | |
| 2757 } | |
| 2758 | |
| 2759 | |
| 2760 //------------------------------ins_encode_parse_block------------------------- | |
| 2761 // Parse the block form of ins_encode. See ins_encode_parse for more details | |
| 2008 | 2762 void ADLParser::ins_encode_parse_block(InstructForm& inst) { |
| 0 | 2763 // Create a new encoding name based on the name of the instruction |
| 2764 // definition, which should be unique. | |
| 2008 | 2765 const char* prefix = "__ins_encode_"; |
| 2766 char* ec_name = (char*) malloc(strlen(inst._ident) + strlen(prefix) + 1); | |
| 0 | 2767 sprintf(ec_name, "%s%s", prefix, inst._ident); |
| 2768 | |
| 2769 assert(_AD._encode->encClass(ec_name) == NULL, "shouldn't already exist"); | |
| 2008 | 2770 EncClass* encoding = _AD._encode->add_EncClass(ec_name); |
|
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2771 encoding->_linenum = linenum(); |
| 0 | 2772 |
| 2773 // synthesize the arguments list for the enc_class from the | |
| 2774 // arguments to the instruct definition. | |
| 2008 | 2775 const char* param = NULL; |
| 0 | 2776 inst._parameters.reset(); |
| 2777 while ((param = inst._parameters.iter()) != NULL) { | |
| 2008 | 2778 OperandForm* opForm = (OperandForm*) inst._localNames[param]; |
| 0 | 2779 encoding->add_parameter(opForm->_ident, param); |
| 2780 } | |
| 2781 | |
| 2008 | 2782 // Define a MacroAssembler instance for use by the encoding. The |
| 2783 // name is chosen to match the __ idiom used for assembly in other | |
| 2784 // parts of hotspot and assumes the existence of the standard | |
| 2785 // #define __ _masm. | |
| 2786 encoding->add_code(" MacroAssembler _masm(&cbuf);\n"); | |
| 0 | 2787 |
| 2788 // Parse the following %{ }% block | |
| 2008 | 2789 ins_encode_parse_block_impl(inst, encoding, ec_name); |
| 0 | 2790 |
| 2791 // Build an encoding rule which invokes the encoding rule we just | |
| 2792 // created, passing all arguments that we received. | |
| 2008 | 2793 InsEncode* encrule = new InsEncode(); // Encode class for instruction |
| 2794 NameAndList* params = encrule->add_encode(ec_name); | |
| 0 | 2795 inst._parameters.reset(); |
| 2796 while ((param = inst._parameters.iter()) != NULL) { | |
| 2797 params->add_entry(param); | |
| 2798 } | |
| 2799 | |
|
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|
2800 // Check for duplicate ins_encode sections after parsing the block |
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2801 // so that parsing can continue and find any other errors. |
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2802 if (inst._insencode != NULL) { |
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|
2803 parse_err(SYNERR, "Multiple ins_encode sections defined\n"); |
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2804 return; |
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2805 } |
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|
2806 |
| 2008 | 2807 // Set encode class of this instruction. |
| 2808 inst._insencode = encrule; | |
| 2809 } | |
| 2810 | |
| 2811 | |
| 2812 void ADLParser::ins_encode_parse_block_impl(InstructForm& inst, EncClass* encoding, char* ec_name) { | |
| 2813 skipws_no_preproc(); // Skip leading whitespace | |
| 2814 // Prepend location descriptor, for debugging; cf. ADLParser::find_cpp_block | |
| 2815 if (_AD._adlocation_debug) { | |
| 2816 encoding->add_code(get_line_string()); | |
| 2817 } | |
| 2818 | |
| 2819 // Collect the parts of the encode description | |
| 2820 // (1) strings that are passed through to output | |
| 2821 // (2) replacement/substitution variable, preceeded by a '$' | |
| 2822 while ((_curchar != '%') && (*(_ptr+1) != '}')) { | |
| 2823 | |
| 2824 // (1) | |
| 2825 // Check if there is a string to pass through to output | |
| 2826 char *start = _ptr; // Record start of the next string | |
| 2827 while ((_curchar != '$') && ((_curchar != '%') || (*(_ptr+1) != '}')) ) { | |
| 2828 // If at the start of a comment, skip past it | |
| 2829 if( (_curchar == '/') && ((*(_ptr+1) == '/') || (*(_ptr+1) == '*')) ) { | |
| 2830 skipws_no_preproc(); | |
| 2831 } else { | |
| 2832 // ELSE advance to the next character, or start of the next line | |
| 2833 next_char_or_line(); | |
| 2834 } | |
| 2835 } | |
| 2836 // If a string was found, terminate it and record in EncClass | |
| 2837 if (start != _ptr) { | |
| 2838 *_ptr = '\0'; // Terminate the string | |
| 2839 encoding->add_code(start); | |
| 2840 } | |
| 2841 | |
| 2842 // (2) | |
| 2843 // If we are at a replacement variable, | |
| 2844 // copy it and record in EncClass | |
| 2845 if (_curchar == '$') { | |
| 2846 // Found replacement Variable | |
| 2847 char* rep_var = get_rep_var_ident_dup(); | |
| 2848 | |
| 2849 // Add flag to _strings list indicating we should check _rep_vars | |
| 2850 encoding->add_rep_var(rep_var); | |
| 2851 | |
| 2852 skipws(); | |
| 2853 | |
| 2854 // Check if this instruct is a MachConstantNode. | |
| 2855 if (strcmp(rep_var, "constanttablebase") == 0) { | |
| 2856 // This instruct is a MachConstantNode. | |
| 2857 inst.set_is_mach_constant(true); | |
| 2858 | |
| 2859 if (_curchar == '(') { | |
| 2860 parse_err(SYNERR, "constanttablebase in instruct %s cannot have an argument (only constantaddress and constantoffset)", ec_name); | |
| 2861 return; | |
| 2862 } | |
| 2863 } | |
| 2864 else if ((strcmp(rep_var, "constantaddress") == 0) || | |
| 2865 (strcmp(rep_var, "constantoffset") == 0)) { | |
| 2866 // This instruct is a MachConstantNode. | |
| 2867 inst.set_is_mach_constant(true); | |
| 2868 | |
| 2869 // If the constant keyword has an argument, parse it. | |
| 2870 if (_curchar == '(') constant_parse(inst); | |
| 2871 } | |
| 2872 } | |
| 2873 } // end while part of format description | |
| 2874 next_char(); // Skip '%' | |
| 2875 next_char(); // Skip '}' | |
| 2876 | |
| 2877 skipws(); | |
| 2878 | |
| 2879 if (_AD._adlocation_debug) { | |
| 2880 encoding->add_code(end_line_marker()); | |
| 2881 } | |
| 2882 | |
| 2883 // Debug Stuff | |
| 2884 if (_AD._adl_debug > 1) fprintf(stderr, "EncodingClass Form: %s\n", ec_name); | |
| 0 | 2885 } |
| 2886 | |
| 2887 | |
| 2888 //------------------------------ins_encode_parse------------------------------- | |
| 2889 // Encode rules have the form | |
| 2890 // ins_encode( encode_class_name(parameter_list), ... ); | |
| 2891 // | |
| 2892 // The "encode_class_name" must be defined in the encode section | |
| 2893 // The parameter list contains $names that are locals. | |
| 2894 // | |
| 2895 // Alternatively it can be written like this: | |
| 2896 // | |
| 2897 // ins_encode %{ | |
| 2898 // ... // body | |
| 2899 // %} | |
| 2900 // | |
| 2901 // which synthesizes a new encoding class taking the same arguments as | |
| 2902 // the InstructForm, and automatically prefixes the definition with: | |
| 2903 // | |
| 2904 // MacroAssembler masm(&cbuf);\n"); | |
| 2905 // | |
| 2906 // making it more compact to take advantage of the MacroAssembler and | |
| 2907 // placing the assembly closer to it's use by instructions. | |
| 2008 | 2908 void ADLParser::ins_encode_parse(InstructForm& inst) { |
| 0 | 2909 |
| 2910 // Parse encode class name | |
| 2911 skipws(); // Skip whitespace | |
| 2912 if (_curchar != '(') { | |
| 2913 // Check for ins_encode %{ form | |
| 2914 if ((_curchar == '%') && (*(_ptr+1) == '{')) { | |
| 2915 next_char(); // Skip '%' | |
| 2916 next_char(); // Skip '{' | |
| 2917 | |
| 2918 // Parse the block form of ins_encode | |
| 2008 | 2919 ins_encode_parse_block(inst); |
| 2920 return; | |
| 0 | 2921 } |
| 2922 | |
| 2923 parse_err(SYNERR, "missing '%%{' or '(' in ins_encode definition\n"); | |
| 2008 | 2924 return; |
| 0 | 2925 } |
| 2926 next_char(); // move past '(' | |
| 2927 skipws(); | |
| 2928 | |
| 2929 InsEncode *encrule = new InsEncode(); // Encode class for instruction | |
|
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2930 encrule->_linenum = linenum(); |
| 0 | 2931 char *ec_name = NULL; // String representation of encode rule |
| 2932 // identifier is optional. | |
| 2933 while (_curchar != ')') { | |
| 2934 ec_name = get_ident(); | |
| 2935 if (ec_name == NULL) { | |
| 2936 parse_err(SYNERR, "Invalid encode class name after 'ins_encode('.\n"); | |
| 2008 | 2937 return; |
| 0 | 2938 } |
| 2939 // Check that encoding is defined in the encode section | |
| 2940 EncClass *encode_class = _AD._encode->encClass(ec_name); | |
| 2941 if (encode_class == NULL) { | |
| 2942 // Like to defer checking these till later... | |
| 2943 // parse_err(WARN, "Using an undefined encode class '%s' in 'ins_encode'.\n", ec_name); | |
| 2944 } | |
| 2945 | |
| 2946 // Get list for encode method's parameters | |
| 2947 NameAndList *params = encrule->add_encode(ec_name); | |
| 2948 | |
| 2949 // Parse the parameters to this encode method. | |
| 2950 skipws(); | |
| 2951 if ( _curchar == '(' ) { | |
| 2952 next_char(); // move past '(' for parameters | |
| 2953 | |
| 2954 // Parse the encode method's parameters | |
| 2955 while (_curchar != ')') { | |
| 2956 char *param = get_ident_or_literal_constant("encoding operand"); | |
| 2957 if ( param != NULL ) { | |
| 2958 // Found a parameter: | |
| 2959 // Check it is a local name, add it to the list, then check for more | |
| 2960 // New: allow hex constants as parameters to an encode method. | |
| 2961 // New: allow parenthesized expressions as parameters. | |
| 2962 // New: allow "primary", "secondary", "tertiary" as parameters. | |
| 2963 // New: allow user-defined register name as parameter | |
| 2964 if ( (inst._localNames[param] == NULL) && | |
| 2965 !ADLParser::is_literal_constant(param) && | |
| 2966 (Opcode::as_opcode_type(param) == Opcode::NOT_AN_OPCODE) && | |
| 2967 ((_AD._register == NULL ) || (_AD._register->getRegDef(param) == NULL)) ) { | |
| 2968 parse_err(SYNERR, "Using non-locally defined parameter %s for encoding %s.\n", param, ec_name); | |
| 2008 | 2969 return; |
| 0 | 2970 } |
| 2971 params->add_entry(param); | |
| 2972 | |
| 2973 skipws(); | |
| 2974 if (_curchar == ',' ) { | |
| 2975 // More parameters to come | |
| 2976 next_char(); // move past ',' between parameters | |
| 2977 skipws(); // Skip to next parameter | |
| 2978 } | |
| 2979 else if (_curchar == ')') { | |
| 2980 // Done with parameter list | |
| 2981 } | |
| 2982 else { | |
| 2983 // Only ',' or ')' are valid after a parameter name | |
| 2984 parse_err(SYNERR, "expected ',' or ')' after parameter %s.\n", | |
| 2985 ec_name); | |
| 2008 | 2986 return; |
| 0 | 2987 } |
| 2988 | |
| 2989 } else { | |
| 2990 skipws(); | |
| 2991 // Did not find a parameter | |
| 2992 if (_curchar == ',') { | |
| 2993 parse_err(SYNERR, "Expected encode parameter before ',' in encoding %s.\n", ec_name); | |
| 2008 | 2994 return; |
| 0 | 2995 } |
| 2996 if (_curchar != ')') { | |
| 2997 parse_err(SYNERR, "Expected ')' after encode parameters.\n"); | |
| 2008 | 2998 return; |
| 0 | 2999 } |
| 3000 } | |
| 3001 } // WHILE loop collecting parameters | |
| 3002 next_char(); // move past ')' at end of parameters | |
| 3003 } // done with parameter list for encoding | |
| 3004 | |
| 3005 // Check for ',' or ')' after encoding | |
| 3006 skipws(); // move to character after parameters | |
| 3007 if ( _curchar == ',' ) { | |
| 3008 // Found a ',' | |
| 3009 next_char(); // move past ',' between encode methods | |
| 3010 skipws(); | |
| 3011 } | |
| 3012 else if ( _curchar != ')' ) { | |
| 3013 // If not a ',' then only a ')' is allowed | |
| 3014 parse_err(SYNERR, "Expected ')' after encoding %s.\n", ec_name); | |
| 2008 | 3015 return; |
| 0 | 3016 } |
| 3017 | |
| 3018 // Check for ',' separating parameters | |
| 3019 // if ( _curchar != ',' && _curchar != ')' ) { | |
| 3020 // parse_err(SYNERR, "expected ',' or ')' after encode method inside ins_encode.\n"); | |
| 3021 // return NULL; | |
| 3022 // } | |
| 3023 | |
| 3024 } // done parsing ins_encode methods and their parameters | |
| 3025 if (_curchar != ')') { | |
| 3026 parse_err(SYNERR, "Missing ')' at end of ins_encode description.\n"); | |
| 2008 | 3027 return; |
| 0 | 3028 } |
| 3029 next_char(); // move past ')' | |
| 3030 skipws(); // Skip leading whitespace | |
| 3031 | |
| 3032 if ( _curchar != ';' ) { | |
| 3033 parse_err(SYNERR, "Missing ';' at end of ins_encode.\n"); | |
| 2008 | 3034 return; |
| 0 | 3035 } |
| 3036 next_char(); // move past ';' | |
| 3037 skipws(); // be friendly to oper_parse() | |
| 3038 | |
|
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3039 // Check for duplicate ins_encode sections after parsing the block |
|
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3040 // so that parsing can continue and find any other errors. |
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3041 if (inst._insencode != NULL) { |
|
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3042 parse_err(SYNERR, "Multiple ins_encode sections defined\n"); |
|
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diff
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|
3043 return; |
|
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diff
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|
3044 } |
|
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|
3045 |
| 0 | 3046 // Debug Stuff |
| 3047 if (_AD._adl_debug > 1) fprintf(stderr,"Instruction Encode: %s\n", ec_name); | |
| 3048 | |
| 2008 | 3049 // Set encode class of this instruction. |
| 3050 inst._insencode = encrule; | |
| 3051 } | |
| 3052 | |
| 3053 | |
| 3054 //------------------------------constant_parse--------------------------------- | |
| 3055 // Parse a constant expression. | |
| 3056 void ADLParser::constant_parse(InstructForm& inst) { | |
| 3057 // Create a new encoding name based on the name of the instruction | |
| 3058 // definition, which should be unique. | |
| 3059 const char* prefix = "__constant_"; | |
| 3060 char* ec_name = (char*) malloc(strlen(inst._ident) + strlen(prefix) + 1); | |
| 3061 sprintf(ec_name, "%s%s", prefix, inst._ident); | |
| 3062 | |
| 3063 assert(_AD._encode->encClass(ec_name) == NULL, "shouldn't already exist"); | |
| 3064 EncClass* encoding = _AD._encode->add_EncClass(ec_name); | |
| 3065 encoding->_linenum = linenum(); | |
| 3066 | |
| 3067 // synthesize the arguments list for the enc_class from the | |
| 3068 // arguments to the instruct definition. | |
| 3069 const char* param = NULL; | |
| 3070 inst._parameters.reset(); | |
| 3071 while ((param = inst._parameters.iter()) != NULL) { | |
| 3072 OperandForm* opForm = (OperandForm*) inst._localNames[param]; | |
| 3073 encoding->add_parameter(opForm->_ident, param); | |
| 3074 } | |
| 3075 | |
| 3076 // Parse the following ( ) expression. | |
| 3077 constant_parse_expression(encoding, ec_name); | |
| 3078 | |
| 3079 // Build an encoding rule which invokes the encoding rule we just | |
| 3080 // created, passing all arguments that we received. | |
| 3081 InsEncode* encrule = new InsEncode(); // Encode class for instruction | |
| 3082 NameAndList* params = encrule->add_encode(ec_name); | |
| 3083 inst._parameters.reset(); | |
| 3084 while ((param = inst._parameters.iter()) != NULL) { | |
| 3085 params->add_entry(param); | |
| 3086 } | |
| 3087 | |
| 3088 // Set encode class of this instruction. | |
| 3089 inst._constant = encrule; | |
| 3090 } | |
| 3091 | |
| 3092 | |
| 3093 //------------------------------constant_parse_expression---------------------- | |
| 3094 void ADLParser::constant_parse_expression(EncClass* encoding, char* ec_name) { | |
| 3095 skipws(); | |
| 3096 | |
| 3097 // Prepend location descriptor, for debugging; cf. ADLParser::find_cpp_block | |
| 3098 if (_AD._adlocation_debug) { | |
| 3099 encoding->add_code(get_line_string()); | |
| 3100 } | |
| 3101 | |
| 3102 // Start code line. | |
| 3103 encoding->add_code(" _constant = C->constant_table().add"); | |
| 3104 | |
| 3105 // Parse everything in ( ) expression. | |
|
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|
3106 encoding->add_code("(this, "); |
| 2008 | 3107 next_char(); // Skip '(' |
| 3108 int parens_depth = 1; | |
| 3109 | |
| 3110 // Collect the parts of the constant expression. | |
| 3111 // (1) strings that are passed through to output | |
| 3112 // (2) replacement/substitution variable, preceeded by a '$' | |
| 3113 while (parens_depth > 0) { | |
| 3114 if (_curchar == '(') { | |
| 3115 parens_depth++; | |
| 3116 encoding->add_code("("); | |
| 3117 next_char(); | |
| 3118 } | |
| 3119 else if (_curchar == ')') { | |
| 3120 parens_depth--; | |
|
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|
3121 if (parens_depth > 0) |
|
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|
3122 encoding->add_code(")"); |
| 2008 | 3123 next_char(); |
| 3124 } | |
| 3125 else { | |
| 3126 // (1) | |
| 3127 // Check if there is a string to pass through to output | |
| 3128 char *start = _ptr; // Record start of the next string | |
| 3129 while ((_curchar != '$') && (_curchar != '(') && (_curchar != ')')) { | |
| 3130 next_char(); | |
| 3131 } | |
| 3132 // If a string was found, terminate it and record in EncClass | |
| 3133 if (start != _ptr) { | |
| 3134 *_ptr = '\0'; // Terminate the string | |
| 3135 encoding->add_code(start); | |
| 3136 } | |
| 3137 | |
| 3138 // (2) | |
| 3139 // If we are at a replacement variable, copy it and record in EncClass. | |
| 3140 if (_curchar == '$') { | |
| 3141 // Found replacement Variable | |
| 3142 char* rep_var = get_rep_var_ident_dup(); | |
| 3143 encoding->add_rep_var(rep_var); | |
| 3144 } | |
| 3145 } | |
| 3146 } | |
| 3147 | |
| 3148 // Finish code line. | |
|
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|
3149 encoding->add_code(");"); |
| 2008 | 3150 |
| 3151 if (_AD._adlocation_debug) { | |
| 3152 encoding->add_code(end_line_marker()); | |
| 3153 } | |
| 3154 | |
| 3155 // Debug Stuff | |
| 3156 if (_AD._adl_debug > 1) fprintf(stderr, "EncodingClass Form: %s\n", ec_name); | |
| 0 | 3157 } |
| 3158 | |
| 3159 | |
| 3160 //------------------------------size_parse----------------------------------- | |
| 6850 | 3161 // Parse a 'size(<expr>)' attribute which specifies the size of the |
| 3162 // emitted instructions in bytes. <expr> can be a C++ expression, | |
| 3163 // e.g. a constant. | |
| 0 | 3164 char* ADLParser::size_parse(InstructForm *instr) { |
| 3165 char* sizeOfInstr = NULL; | |
| 3166 | |
| 3167 // Get value of the instruction's size | |
| 3168 skipws(); | |
| 3169 | |
| 3170 // Parse size | |
| 3171 sizeOfInstr = get_paren_expr("size expression"); | |
| 3172 if (sizeOfInstr == NULL) { | |
| 3173 parse_err(SYNERR, "size of opcode expected at %c\n", _curchar); | |
| 3174 return NULL; | |
| 3175 } | |
| 3176 | |
| 3177 skipws(); | |
| 3178 | |
| 3179 // Check for terminator | |
| 3180 if (_curchar != ';') { | |
| 3181 parse_err(SYNERR, "missing ';' in ins_attrib definition\n"); | |
| 3182 return NULL; | |
| 3183 } | |
| 3184 next_char(); // Advance past the ';' | |
| 3185 skipws(); // necessary for instr_parse() | |
| 3186 | |
| 3187 // Debug Stuff | |
| 3188 if (_AD._adl_debug > 1) { | |
| 3189 if (sizeOfInstr != NULL) { | |
| 3190 fprintf(stderr,"size of opcode: %s\n", sizeOfInstr); | |
| 3191 } | |
| 3192 } | |
| 3193 | |
| 3194 return sizeOfInstr; | |
| 3195 } | |
| 3196 | |
| 3197 | |
| 3198 //------------------------------opcode_parse----------------------------------- | |
| 3199 Opcode * ADLParser::opcode_parse(InstructForm *instr) { | |
| 3200 char *primary = NULL; | |
| 3201 char *secondary = NULL; | |
| 3202 char *tertiary = NULL; | |
| 3203 | |
| 3204 char *val = NULL; | |
| 3205 Opcode *opcode = NULL; | |
| 3206 | |
| 3207 // Get value of the instruction's opcode | |
| 3208 skipws(); | |
| 3209 if (_curchar != '(') { // Check for parenthesized operand list | |
| 3210 parse_err(SYNERR, "missing '(' in expand instruction declaration\n"); | |
| 3211 return NULL; | |
| 3212 } | |
| 3213 next_char(); // skip open paren | |
| 3214 skipws(); | |
| 3215 if (_curchar != ')') { | |
| 3216 // Parse primary, secondary, and tertiary opcodes, if provided. | |
| 3217 if ( ((primary = get_ident_or_literal_constant("primary opcode")) == NULL) ) { | |
| 3218 parse_err(SYNERR, "primary hex opcode expected at %c\n", _curchar); | |
| 3219 return NULL; | |
| 3220 } | |
| 3221 skipws(); | |
| 3222 if (_curchar == ',') { | |
| 3223 next_char(); | |
| 3224 skipws(); | |
| 3225 // Parse secondary opcode | |
| 3226 if ( ((secondary = get_ident_or_literal_constant("secondary opcode")) == NULL) ) { | |
| 3227 parse_err(SYNERR, "secondary hex opcode expected at %c\n", _curchar); | |
| 3228 return NULL; | |
| 3229 } | |
| 3230 skipws(); | |
| 3231 if (_curchar == ',') { | |
| 3232 next_char(); | |
| 3233 skipws(); | |
| 3234 // Parse tertiary opcode | |
| 3235 if ( ((tertiary = get_ident_or_literal_constant("tertiary opcode")) == NULL) ) { | |
| 3236 parse_err(SYNERR,"tertiary hex opcode expected at %c\n", _curchar); | |
| 3237 return NULL; | |
| 3238 } | |
| 3239 skipws(); | |
| 3240 } | |
| 3241 } | |
| 3242 skipws(); | |
| 3243 if (_curchar != ')') { | |
| 3244 parse_err(SYNERR, "Missing ')' in opcode description\n"); | |
| 3245 return NULL; | |
| 3246 } | |
| 3247 } | |
| 3248 next_char(); // Skip ')' | |
| 3249 skipws(); | |
| 3250 // Check for terminator | |
| 3251 if (_curchar != ';') { | |
| 3252 parse_err(SYNERR, "missing ';' in ins_attrib definition\n"); | |
| 3253 return NULL; | |
| 3254 } | |
| 3255 next_char(); // Advance past the ';' | |
| 3256 skipws(); // necessary for instr_parse() | |
| 3257 | |
| 3258 // Debug Stuff | |
| 3259 if (_AD._adl_debug > 1) { | |
| 3260 if (primary != NULL) fprintf(stderr,"primary opcode: %s\n", primary); | |
| 3261 if (secondary != NULL) fprintf(stderr,"secondary opcode: %s\n", secondary); | |
| 3262 if (tertiary != NULL) fprintf(stderr,"tertiary opcode: %s\n", tertiary); | |
| 3263 } | |
| 3264 | |
| 3265 // Generate new object and return | |
| 3266 opcode = new Opcode(primary, secondary, tertiary); | |
| 3267 return opcode; | |
| 3268 } | |
| 3269 | |
| 3270 | |
| 3271 //------------------------------interface_parse-------------------------------- | |
| 3272 Interface *ADLParser::interface_parse(void) { | |
| 3273 char *iface_name = NULL; // Name of interface class being used | |
| 3274 char *iface_code = NULL; // Describe components of this class | |
| 3275 | |
| 3276 // Get interface class name | |
| 3277 skipws(); // Skip whitespace | |
| 3278 if (_curchar != '(') { | |
| 3279 parse_err(SYNERR, "Missing '(' at start of interface description.\n"); | |
| 3280 return NULL; | |
| 3281 } | |
| 3282 next_char(); // move past '(' | |
| 3283 skipws(); | |
| 3284 iface_name = get_ident(); | |
| 3285 if (iface_name == NULL) { | |
| 3286 parse_err(SYNERR, "missing interface name after 'interface'.\n"); | |
| 3287 return NULL; | |
| 3288 } | |
| 3289 skipws(); | |
| 3290 if (_curchar != ')') { | |
| 3291 parse_err(SYNERR, "Missing ')' after name of interface.\n"); | |
| 3292 return NULL; | |
| 3293 } | |
| 3294 next_char(); // move past ')' | |
| 3295 | |
| 3296 // Get details of the interface, | |
| 3297 // for the type of interface indicated by iface_name. | |
| 3298 Interface *inter = NULL; | |
| 3299 skipws(); | |
| 3300 if ( _curchar != ';' ) { | |
| 3301 if ( strcmp(iface_name,"MEMORY_INTER") == 0 ) { | |
| 3302 inter = mem_interface_parse(); | |
| 3303 } | |
| 3304 else if ( strcmp(iface_name,"COND_INTER") == 0 ) { | |
| 3305 inter = cond_interface_parse(); | |
| 3306 } | |
| 3307 // The parse routines consume the "%}" | |
| 3308 | |
| 3309 // Check for probable extra ';' after defining block. | |
| 3310 if ( _curchar == ';' ) { | |
| 3311 parse_err(SYNERR, "Extra ';' after defining interface block.\n"); | |
| 3312 next_char(); // Skip ';' | |
| 3313 return NULL; | |
| 3314 } | |
| 3315 } else { | |
| 3316 next_char(); // move past ';' | |
| 3317 | |
| 3318 // Create appropriate interface object | |
| 3319 if ( strcmp(iface_name,"REG_INTER") == 0 ) { | |
| 3320 inter = new RegInterface(); | |
| 3321 } | |
| 3322 else if ( strcmp(iface_name,"CONST_INTER") == 0 ) { | |
| 3323 inter = new ConstInterface(); | |
| 3324 } | |
| 3325 } | |
| 3326 skipws(); // be friendly to oper_parse() | |
| 3327 // Debug Stuff | |
| 3328 if (_AD._adl_debug > 1) fprintf(stderr,"Interface Form: %s\n", iface_name); | |
| 3329 | |
| 3330 // Create appropriate interface object and return. | |
| 3331 return inter; | |
| 3332 } | |
| 3333 | |
| 3334 | |
| 3335 //------------------------------mem_interface_parse---------------------------- | |
| 3336 Interface *ADLParser::mem_interface_parse(void) { | |
| 3337 // Fields for MemInterface | |
| 3338 char *base = NULL; | |
| 3339 char *index = NULL; | |
| 3340 char *scale = NULL; | |
| 3341 char *disp = NULL; | |
| 3342 | |
| 3343 if (_curchar != '%') { | |
|
7996
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mikael
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6850
diff
changeset
|
3344 parse_err(SYNERR, "Missing '%%{' for 'interface' block.\n"); |
| 0 | 3345 return NULL; |
| 3346 } | |
| 3347 next_char(); // Skip '%' | |
| 3348 if (_curchar != '{') { | |
|
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mikael
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6850
diff
changeset
|
3349 parse_err(SYNERR, "Missing '%%{' for 'interface' block.\n"); |
| 0 | 3350 return NULL; |
| 3351 } | |
| 3352 next_char(); // Skip '{' | |
| 3353 skipws(); | |
| 3354 do { | |
| 3355 char *field = get_ident(); | |
| 3356 if (field == NULL) { | |
|
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mikael
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6850
diff
changeset
|
3357 parse_err(SYNERR, "Expected keyword, base|index|scale|disp, or '%%}' ending interface.\n"); |
| 0 | 3358 return NULL; |
| 3359 } | |
| 3360 if ( strcmp(field,"base") == 0 ) { | |
| 3361 base = interface_field_parse(); | |
| 3362 } | |
| 3363 else if ( strcmp(field,"index") == 0 ) { | |
| 3364 index = interface_field_parse(); | |
| 3365 } | |
| 3366 else if ( strcmp(field,"scale") == 0 ) { | |
| 3367 scale = interface_field_parse(); | |
| 3368 } | |
| 3369 else if ( strcmp(field,"disp") == 0 ) { | |
| 3370 disp = interface_field_parse(); | |
| 3371 } | |
| 3372 else { | |
|
7996
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8007403: Incorrect format arguments in adlparse.cpp
mikael
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6850
diff
changeset
|
3373 parse_err(SYNERR, "Expected keyword, base|index|scale|disp, or '%%}' ending interface.\n"); |
| 0 | 3374 return NULL; |
| 3375 } | |
| 3376 } while( _curchar != '%' ); | |
| 3377 next_char(); // Skip '%' | |
| 3378 if ( _curchar != '}' ) { | |
|
7996
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mikael
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6850
diff
changeset
|
3379 parse_err(SYNERR, "Missing '%%}' for 'interface' block.\n"); |
| 0 | 3380 return NULL; |
| 3381 } | |
| 3382 next_char(); // Skip '}' | |
| 3383 | |
| 3384 // Construct desired object and return | |
| 3385 Interface *inter = new MemInterface(base, index, scale, disp); | |
| 3386 return inter; | |
| 3387 } | |
| 3388 | |
| 3389 | |
| 3390 //------------------------------cond_interface_parse--------------------------- | |
| 3391 Interface *ADLParser::cond_interface_parse(void) { | |
| 3392 char *equal; | |
| 3393 char *not_equal; | |
| 3394 char *less; | |
| 3395 char *greater_equal; | |
| 3396 char *less_equal; | |
| 3397 char *greater; | |
| 12323 | 3398 char *overflow; |
| 3399 char *no_overflow; | |
|
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|
3400 const char *equal_format = "eq"; |
|
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|
3401 const char *not_equal_format = "ne"; |
|
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|
3402 const char *less_format = "lt"; |
|
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|
3403 const char *greater_equal_format = "ge"; |
|
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|
3404 const char *less_equal_format = "le"; |
|
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|
3405 const char *greater_format = "gt"; |
| 12323 | 3406 const char *overflow_format = "o"; |
| 3407 const char *no_overflow_format = "no"; | |
| 0 | 3408 |
| 3409 if (_curchar != '%') { | |
|
7996
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changeset
|
3410 parse_err(SYNERR, "Missing '%%{' for 'cond_interface' block.\n"); |
| 0 | 3411 return NULL; |
| 3412 } | |
| 3413 next_char(); // Skip '%' | |
| 3414 if (_curchar != '{') { | |
|
7996
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mikael
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diff
changeset
|
3415 parse_err(SYNERR, "Missing '%%{' for 'cond_interface' block.\n"); |
| 0 | 3416 return NULL; |
| 3417 } | |
| 3418 next_char(); // Skip '{' | |
| 3419 skipws(); | |
| 3420 do { | |
| 3421 char *field = get_ident(); | |
| 3422 if (field == NULL) { | |
|
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|
3423 parse_err(SYNERR, "Expected keyword, base|index|scale|disp, or '%%}' ending interface.\n"); |
| 0 | 3424 return NULL; |
| 3425 } | |
| 3426 if ( strcmp(field,"equal") == 0 ) { | |
|
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|
3427 equal = interface_field_parse(&equal_format); |
| 0 | 3428 } |
| 3429 else if ( strcmp(field,"not_equal") == 0 ) { | |
|
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|
3430 not_equal = interface_field_parse(¬_equal_format); |
| 0 | 3431 } |
| 3432 else if ( strcmp(field,"less") == 0 ) { | |
|
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|
3433 less = interface_field_parse(&less_format); |
| 0 | 3434 } |
| 3435 else if ( strcmp(field,"greater_equal") == 0 ) { | |
|
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|
3436 greater_equal = interface_field_parse(&greater_equal_format); |
| 0 | 3437 } |
| 3438 else if ( strcmp(field,"less_equal") == 0 ) { | |
|
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|
3439 less_equal = interface_field_parse(&less_equal_format); |
| 0 | 3440 } |
| 3441 else if ( strcmp(field,"greater") == 0 ) { | |
|
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|
3442 greater = interface_field_parse(&greater_format); |
| 0 | 3443 } |
| 12323 | 3444 else if ( strcmp(field,"overflow") == 0 ) { |
| 3445 overflow = interface_field_parse(&overflow_format); | |
| 3446 } | |
| 3447 else if ( strcmp(field,"no_overflow") == 0 ) { | |
| 3448 no_overflow = interface_field_parse(&no_overflow_format); | |
| 3449 } | |
| 0 | 3450 else { |
|
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diff
changeset
|
3451 parse_err(SYNERR, "Expected keyword, base|index|scale|disp, or '%%}' ending interface.\n"); |
| 0 | 3452 return NULL; |
| 3453 } | |
| 3454 } while( _curchar != '%' ); | |
| 3455 next_char(); // Skip '%' | |
| 3456 if ( _curchar != '}' ) { | |
|
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changeset
|
3457 parse_err(SYNERR, "Missing '%%}' for 'interface' block.\n"); |
| 0 | 3458 return NULL; |
| 3459 } | |
| 3460 next_char(); // Skip '}' | |
| 3461 | |
| 3462 // Construct desired object and return | |
|
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|
3463 Interface *inter = new CondInterface(equal, equal_format, |
|
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|
3464 not_equal, not_equal_format, |
|
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diff
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|
3465 less, less_format, |
|
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|
3466 greater_equal, greater_equal_format, |
|
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|
3467 less_equal, less_equal_format, |
| 12323 | 3468 greater, greater_format, |
| 3469 overflow, overflow_format, | |
| 3470 no_overflow, no_overflow_format); | |
| 0 | 3471 return inter; |
| 3472 } | |
| 3473 | |
| 3474 | |
| 3475 //------------------------------interface_field_parse-------------------------- | |
|
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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
|
3476 char *ADLParser::interface_field_parse(const char ** format) { |
| 0 | 3477 char *iface_field = NULL; |
| 3478 | |
| 3479 // Get interface field | |
| 3480 skipws(); // Skip whitespace | |
| 3481 if (_curchar != '(') { | |
| 3482 parse_err(SYNERR, "Missing '(' at start of interface field.\n"); | |
| 3483 return NULL; | |
| 3484 } | |
| 3485 next_char(); // move past '(' | |
| 3486 skipws(); | |
| 3487 if ( _curchar != '0' && _curchar != '$' ) { | |
| 3488 parse_err(SYNERR, "missing or invalid interface field contents.\n"); | |
| 3489 return NULL; | |
| 3490 } | |
| 3491 iface_field = get_rep_var_ident(); | |
| 3492 if (iface_field == NULL) { | |
| 3493 parse_err(SYNERR, "missing or invalid interface field contents.\n"); | |
| 3494 return NULL; | |
| 3495 } | |
| 3496 skipws(); | |
|
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
|
3497 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
|
3498 next_char(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3499 skipws(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3500 if (_curchar != '"') { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3501 parse_err(SYNERR, "Missing '\"' in field format .\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
|
3502 return NULL; |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3503 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3504 next_char(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3505 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
|
3506 while ((_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
|
3507 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
|
3508 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
|
3509 next_char(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3510 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3511 if (_curchar != '"') { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3512 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
|
3513 return NULL; |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3514 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3515 // 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
|
3516 if ( start != _ptr ) { |
|
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
|
3517 *_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
|
3518 *format = start; |
|
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
|
3519 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3520 next_char(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3521 skipws(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3522 } |
| 0 | 3523 if (_curchar != ')') { |
| 3524 parse_err(SYNERR, "Missing ')' after interface field.\n"); | |
| 3525 return NULL; | |
| 3526 } | |
| 3527 next_char(); // move past ')' | |
| 3528 skipws(); | |
| 3529 if ( _curchar != ';' ) { | |
| 3530 parse_err(SYNERR, "Missing ';' at end of interface field.\n"); | |
| 3531 return NULL; | |
| 3532 } | |
| 3533 next_char(); // move past ';' | |
| 3534 skipws(); // be friendly to interface_parse() | |
| 3535 | |
| 3536 return iface_field; | |
| 3537 } | |
| 3538 | |
| 3539 | |
| 3540 //------------------------------match_parse------------------------------------ | |
| 3541 MatchRule *ADLParser::match_parse(FormDict &operands) { | |
| 3542 MatchRule *match; // Match Rule class for instruction/operand | |
| 3543 char *cnstr = NULL; // Code for constructor | |
| 3544 int depth = 0; // Counter for matching parentheses | |
| 3545 int numleaves = 0; // Counter for number of leaves in rule | |
| 3546 | |
| 3547 // Parse the match rule tree | |
| 3548 MatchNode *mnode = matchNode_parse(operands, depth, numleaves, true); | |
| 3549 | |
| 3550 // Either there is a block with a constructor, or a ';' here | |
| 3551 skipws(); // Skip whitespace | |
| 3552 if ( _curchar == ';' ) { // Semicolon is valid terminator | |
| 3553 cnstr = NULL; // no constructor for this form | |
| 3554 next_char(); // Move past the ';', replaced with '\0' | |
| 3555 } | |
| 3556 else if ((cnstr = find_cpp_block("match constructor")) == NULL ) { | |
| 3557 parse_err(SYNERR, "invalid construction of match rule\n" | |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
3558 "Missing ';' or invalid '%%{' and '%%}' constructor\n"); |
| 0 | 3559 return NULL; // No MatchRule to return |
| 3560 } | |
| 3561 if (_AD._adl_debug > 1) | |
| 3562 if (cnstr) fprintf(stderr,"Match Constructor: %s\n", cnstr); | |
| 3563 // Build new MatchRule object | |
| 3564 match = new MatchRule(_AD, mnode, depth, cnstr, numleaves); | |
| 3565 skipws(); // Skip any trailing whitespace | |
| 3566 return match; // Return MatchRule object | |
| 3567 } | |
| 3568 | |
| 3569 //------------------------------format_parse----------------------------------- | |
| 3570 FormatRule* ADLParser::format_parse(void) { | |
| 3571 char *desc = NULL; | |
| 3572 FormatRule *format = (new FormatRule(desc)); | |
| 3573 | |
| 3574 // Without expression form, MUST have a code block; | |
| 3575 skipws(); // Skip whitespace | |
| 3576 if ( _curchar == ';' ) { // Semicolon is valid terminator | |
| 3577 desc = NULL; // no constructor for this form | |
| 3578 next_char(); // Move past the ';', replaced with '\0' | |
| 3579 } | |
| 3580 else if ( _curchar == '%' && *(_ptr+1) == '{') { | |
| 3581 next_char(); // Move past the '%' | |
| 3582 next_char(); // Move past the '{' | |
| 3583 | |
| 3584 skipws(); | |
|
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
|
3585 if (_curchar == '$') { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3586 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
|
3587 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
|
3588 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
|
3589 return NULL; |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3590 } |
| 0 | 3591 // Check for the opening '"' inside the format description |
| 3592 if ( _curchar == '"' ) { | |
| 3593 next_char(); // Move past the initial '"' | |
| 3594 if( _curchar == '"' ) { // Handle empty format string case | |
| 3595 *_ptr = '\0'; // Terminate empty string | |
| 3596 format->_strings.addName(_ptr); | |
| 3597 } | |
| 3598 | |
| 3599 // Collect the parts of the format description | |
| 3600 // (1) strings that are passed through to tty->print | |
| 3601 // (2) replacement/substitution variable, preceeded by a '$' | |
| 3602 // (3) multi-token ANSIY C style strings | |
| 3603 while ( true ) { | |
| 3604 if ( _curchar == '%' || _curchar == '\n' ) { | |
| 3605 if ( _curchar != '"' ) { | |
| 3606 parse_err(SYNERR, "missing '\"' at end of format block"); | |
| 3607 return NULL; | |
| 3608 } | |
| 3609 } | |
| 3610 | |
| 3611 // (1) | |
| 3612 // Check if there is a string to pass through to output | |
| 3613 char *start = _ptr; // Record start of the next string | |
| 3614 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
|
3615 if (_curchar == '\\') { |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
3616 next_char(); // superquote |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
3617 if ((_curchar == '$') || (_curchar == '%')) |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
3618 // 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
|
3619 *(_ptr-1) = _curchar; |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
3620 } |
| 0 | 3621 if (_curchar == '\n') parse_err(SYNERR, "newline in string"); // unimplemented! |
| 3622 next_char(); | |
| 3623 } | |
| 3624 // If a string was found, terminate it and record in FormatRule | |
| 3625 if ( start != _ptr ) { | |
| 3626 *_ptr = '\0'; // Terminate the string | |
| 3627 format->_strings.addName(start); | |
| 3628 } | |
| 3629 | |
| 3630 // (2) | |
| 3631 // If we are at a replacement variable, | |
| 3632 // copy it and record in FormatRule | |
| 3633 if ( _curchar == '$' ) { | |
| 3634 next_char(); // Move past the '$' | |
| 3635 char* rep_var = get_ident(); // Nil terminate the variable name | |
| 3636 rep_var = strdup(rep_var);// Copy the string | |
| 3637 *_ptr = _curchar; // and replace Nil with original character | |
| 3638 format->_rep_vars.addName(rep_var); | |
| 3639 // Add flag to _strings list indicating we should check _rep_vars | |
| 3640 format->_strings.addName(NameList::_signal); | |
| 3641 } | |
| 3642 | |
| 3643 // (3) | |
| 3644 // Allow very long strings to be broken up, | |
| 3645 // using the ANSI C syntax "foo\n" <newline> "bar" | |
| 3646 if ( _curchar == '"') { | |
| 3647 next_char(); // Move past the '"' | |
| 3648 skipws(); // Skip white space before next string token | |
| 3649 if ( _curchar != '"') { | |
| 3650 break; | |
| 3651 } else { | |
| 3652 // Found one. Skip both " and the whitespace in between. | |
| 3653 next_char(); | |
| 3654 } | |
| 3655 } | |
| 3656 } // end while part of format description | |
| 3657 | |
| 3658 // Check for closing '"' and '%}' in format description | |
| 3659 skipws(); // Move to closing '%}' | |
| 3660 if ( _curchar != '%' ) { | |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
3661 parse_err(SYNERR, "non-blank characters between closing '\"' and '%%' in format"); |
| 0 | 3662 return NULL; |
| 3663 } | |
| 3664 } // Done with format description inside | |
| 3665 | |
| 3666 skipws(); | |
| 3667 // Past format description, at '%' | |
| 3668 if ( _curchar != '%' || *(_ptr+1) != '}' ) { | |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
3669 parse_err(SYNERR, "missing '%%}' at end of format block"); |
| 0 | 3670 return NULL; |
| 3671 } | |
| 3672 next_char(); // Move past the '%' | |
| 3673 next_char(); // Move past the '}' | |
| 3674 } | |
| 3675 else { // parameter list alone must terminate with a ';' | |
| 3676 parse_err(SYNERR, "missing ';' after Format expression"); | |
| 3677 return NULL; | |
| 3678 } | |
| 3679 // Debug Stuff | |
| 3680 if (_AD._adl_debug > 1) fprintf(stderr,"Format Rule: %s\n", desc); | |
| 3681 | |
| 3682 skipws(); | |
| 3683 return format; | |
| 3684 } | |
| 3685 | |
| 3686 | |
|
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3687 //------------------------------template_parse----------------------------------- |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3688 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
|
3689 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
|
3690 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
|
3691 |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3692 skipws(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3693 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
|
3694 |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3695 // (1) |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3696 // 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
|
3697 { |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3698 char *start = _ptr; // Record start of the next string |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3699 while ((_curchar != '$') && ((_curchar != '%') || (*(_ptr+1) != '}')) ) { |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3700 // If at the start of a comment, skip past it |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3701 if( (_curchar == '/') && ((*(_ptr+1) == '/') || (*(_ptr+1) == '*')) ) { |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3702 skipws_no_preproc(); |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3703 } else { |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3704 // 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
|
3705 next_char_or_line(); |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3706 } |
|
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3707 } |
|
603
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3708 // 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
|
3709 if ( start != _ptr ) { |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3710 *_ptr = '\0'; // Terminate the string |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3711 // 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
|
3712 format->_strings.addName(NameList::_signal2); |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3713 format->_strings.addName(start); |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3714 } |
|
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3715 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3716 |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3717 // (2) |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3718 // 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
|
3719 // 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
|
3720 if ( _curchar == '$' ) { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3721 // 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
|
3722 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
|
3723 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
|
3724 // 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
|
3725 next_char(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3726 next_char(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3727 skipws(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3728 // 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
|
3729 if ( _curchar == '"' ) { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3730 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
|
3731 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
|
3732 *_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
|
3733 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
|
3734 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3735 |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3736 // 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
|
3737 // (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
|
3738 // (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
|
3739 // (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
|
3740 while ( true ) { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3741 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
|
3742 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
|
3743 return NULL; |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3744 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3745 |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3746 // (1) |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3747 // 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
|
3748 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
|
3749 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
|
3750 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
|
3751 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
|
3752 next_char(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3753 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3754 // 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
|
3755 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
|
3756 *_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
|
3757 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
|
3758 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3759 |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3760 // (2) |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3761 // 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
|
3762 // 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
|
3763 if ( _curchar == '$' ) { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3764 next_char(); // Move past the '$' |
|
603
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3765 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
|
3766 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
|
3767 *_ptr = _curchar; // and replace Nil with original character |
|
603
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3768 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
|
3769 // 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
|
3770 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
|
3771 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3772 |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3773 // (3) |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3774 // 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
|
3775 // 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
|
3776 if ( _curchar == '"') { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3777 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
|
3778 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
|
3779 if ( _curchar != '"') { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3780 break; |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3781 } else { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3782 // 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
|
3783 next_char(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3784 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3785 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3786 } // 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
|
3787 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3788 } else { |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3789 // 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
|
3790 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
|
3791 // 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
|
3792 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
|
3793 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3794 } // 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
|
3795 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3796 |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3797 skipws(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3798 // 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
|
3799 if ( _curchar != '%' || *(_ptr+1) != '}' ) { |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
3800 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
|
3801 return NULL; |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3802 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3803 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
|
3804 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
|
3805 |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3806 // Debug Stuff |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3807 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
|
3808 |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3809 skipws(); |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3810 return format; |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3811 } |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3812 |
|
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3813 |
| 0 | 3814 //------------------------------effect_parse----------------------------------- |
| 3815 void ADLParser::effect_parse(InstructForm *instr) { | |
| 3816 char* desc = NULL; | |
| 3817 | |
| 3818 skipws(); // Skip whitespace | |
| 3819 if (_curchar != '(') { | |
| 3820 parse_err(SYNERR, "missing '(' in effect definition\n"); | |
| 3821 return; | |
| 3822 } | |
| 3823 // 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
|
3824 else get_effectlist(instr->_effects, instr->_localNames, instr->_has_call); |
| 0 | 3825 |
| 3826 // Debug Stuff | |
| 3827 if (_AD._adl_debug > 1) fprintf(stderr,"Effect description: %s\n", desc); | |
| 3828 if (_curchar != ';') { | |
| 3829 parse_err(SYNERR, "missing ';' in Effect definition\n"); | |
| 3830 } | |
| 3831 next_char(); // Skip ';' | |
| 3832 | |
| 3833 } | |
| 3834 | |
| 3835 //------------------------------expand_parse----------------------------------- | |
| 3836 ExpandRule* ADLParser::expand_parse(InstructForm *instr) { | |
| 3837 char *ident, *ident2; | |
| 3838 OperandForm *oper; | |
| 3839 InstructForm *ins; | |
| 3840 NameAndList *instr_and_operands = NULL; | |
| 3841 ExpandRule *exp = new ExpandRule(); | |
| 3842 | |
| 3843 // Expand is a block containing an ordered list of instructions, each of | |
| 3844 // which has an ordered list of operands. | |
| 3845 // Check for block delimiter | |
| 3846 skipws(); // Skip leading whitespace | |
| 3847 if ((_curchar != '%') | |
| 3848 || (next_char(), (_curchar != '{')) ) { // If not open block | |
|
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
3849 parse_err(SYNERR, "missing '%%{' in expand definition\n"); |
| 0 | 3850 return(NULL); |
| 3851 } | |
| 3852 next_char(); // Maintain the invariant | |
| 3853 do { | |
| 3854 ident = get_ident(); // Grab next identifier | |
| 3855 if (ident == NULL) { | |
| 3856 parse_err(SYNERR, "identifier expected at %c\n", _curchar); | |
| 3857 continue; | |
| 3858 } // Check that you have a valid instruction | |
| 3859 const Form *form = _globalNames[ident]; | |
| 3860 ins = form ? form->is_instruction() : NULL; | |
| 3861 if (ins == NULL) { | |
| 3862 // This is a new operand | |
| 3863 oper = form ? form->is_operand() : NULL; | |
| 3864 if (oper == NULL) { | |
| 3865 parse_err(SYNERR, "instruction/operand name expected at %s\n", ident); | |
| 3866 continue; | |
| 3867 } | |
| 3868 // Throw the operand on the _newopers list | |
| 3869 skipws(); | |
| 3870 ident = get_unique_ident(instr->_localNames,"Operand"); | |
| 3871 if (ident == NULL) { | |
| 3872 parse_err(SYNERR, "identifier expected at %c\n", _curchar); | |
| 3873 continue; | |
| 3874 } | |
| 3875 exp->_newopers.addName(ident); | |
| 3876 // Add new operand to LocalNames | |
| 3877 instr->_localNames.Insert(ident, oper); | |
| 3878 // Grab any constructor code and save as a string | |
| 3879 char *c = NULL; | |
| 3880 skipws(); | |
| 3881 if (_curchar == '%') { // Need a constructor for the operand | |
| 3882 c = find_cpp_block("Operand Constructor"); | |
| 3883 if (c == NULL) { | |
| 3884 parse_err(SYNERR, "Invalid code block for operand constructor\n", _curchar); | |
| 3885 continue; | |
| 3886 } | |
| 3887 // Add constructor to _newopconst Dict | |
| 3888 exp->_newopconst.Insert(ident, c); | |
| 3889 } | |
| 3890 else if (_curchar != ';') { // If no constructor, need a ; | |
| 3891 parse_err(SYNERR, "Missing ; in expand rule operand declaration\n"); | |
| 3892 continue; | |
| 3893 } | |
| 3894 else next_char(); // Skip the ; | |
| 3895 skipws(); | |
| 3896 } | |
| 3897 else { | |
| 3898 // Add instruction to list | |
| 3899 instr_and_operands = new NameAndList(ident); | |
| 3900 // Grab operands, build nameList of them, and then put into dictionary | |
| 3901 skipws(); | |
| 3902 if (_curchar != '(') { // Check for parenthesized operand list | |
| 3903 parse_err(SYNERR, "missing '(' in expand instruction declaration\n"); | |
| 3904 continue; | |
| 3905 } | |
| 3906 do { | |
| 3907 next_char(); // skip open paren & comma characters | |
| 3908 skipws(); | |
| 3909 if (_curchar == ')') break; | |
| 3910 ident2 = get_ident(); | |
| 3911 skipws(); | |
| 3912 if (ident2 == NULL) { | |
| 3913 parse_err(SYNERR, "identifier expected at %c\n", _curchar); | |
| 3914 continue; | |
| 3915 } // Check that you have a valid operand | |
|
603
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3916 const Form *form2 = instr->_localNames[ident2]; |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3917 if (!form2) { |
| 0 | 3918 parse_err(SYNERR, "operand name expected at %s\n", ident2); |
| 3919 continue; | |
| 3920 } | |
|
603
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3921 oper = form2->is_operand(); |
|
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3922 if (oper == NULL && !form2->is_opclass()) { |
| 0 | 3923 parse_err(SYNERR, "operand name expected at %s\n", ident2); |
| 3924 continue; | |
| 3925 } // Add operand to list | |
| 3926 instr_and_operands->add_entry(ident2); | |
| 3927 } while(_curchar == ','); | |
| 3928 if (_curchar != ')') { | |
| 3929 parse_err(SYNERR, "missing ')'in expand instruction declaration\n"); | |
| 3930 continue; | |
| 3931 } | |
| 3932 next_char(); | |
| 3933 if (_curchar != ';') { | |
| 3934 parse_err(SYNERR, "missing ';'in expand instruction declaration\n"); | |
| 3935 continue; | |
| 3936 } | |
| 3937 next_char(); | |
| 3938 | |
| 3939 // Record both instruction name and its operand list | |
| 3940 exp->add_instruction(instr_and_operands); | |
| 3941 | |
| 3942 skipws(); | |
| 3943 } | |
| 3944 | |
| 3945 } while(_curchar != '%'); | |
| 3946 next_char(); | |
| 3947 if (_curchar != '}') { | |
|
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|
3948 parse_err(SYNERR, "missing '%%}' in expand rule definition\n"); |
| 0 | 3949 return(NULL); |
| 3950 } | |
| 3951 next_char(); | |
| 3952 | |
| 3953 // Debug Stuff | |
| 3954 if (_AD._adl_debug > 1) fprintf(stderr,"Expand Rule:\n"); | |
| 3955 | |
| 3956 skipws(); | |
| 3957 return (exp); | |
| 3958 } | |
| 3959 | |
| 3960 //------------------------------rewrite_parse---------------------------------- | |
| 3961 RewriteRule* ADLParser::rewrite_parse(void) { | |
| 3962 char* params = NULL; | |
| 3963 char* desc = NULL; | |
| 3964 | |
| 3965 | |
| 3966 // This feature targeted for second generation description language. | |
| 3967 | |
| 3968 skipws(); // Skip whitespace | |
| 3969 // Get parameters for rewrite | |
| 3970 if ((params = get_paren_expr("rewrite parameters")) == NULL) { | |
| 3971 parse_err(SYNERR, "missing '(' in rewrite rule\n"); | |
| 3972 return NULL; | |
| 3973 } | |
| 3974 // Debug Stuff | |
| 3975 if (_AD._adl_debug > 1) fprintf(stderr,"Rewrite parameters: %s\n", params); | |
| 3976 | |
| 3977 // For now, grab entire block; | |
| 3978 skipws(); | |
| 3979 if ( (desc = find_cpp_block("rewrite block")) == NULL ) { | |
| 3980 parse_err(SYNERR, "incorrect or missing block for 'rewrite'.\n"); | |
| 3981 return NULL; | |
| 3982 } | |
| 3983 // Debug Stuff | |
| 3984 if (_AD._adl_debug > 1) fprintf(stderr,"Rewrite Rule: %s\n", desc); | |
| 3985 | |
| 3986 skipws(); | |
| 3987 return (new RewriteRule(params,desc)); | |
| 3988 } | |
| 3989 | |
| 3990 //------------------------------attr_parse------------------------------------- | |
| 3991 Attribute *ADLParser::attr_parse(char* ident) { | |
| 3992 Attribute *attrib; // Attribute class | |
| 3993 char *cost = NULL; // String representation of cost attribute | |
| 3994 | |
| 3995 skipws(); // Skip leading whitespace | |
| 3996 if ( (cost = get_paren_expr("attribute")) == NULL ) { | |
| 3997 parse_err(SYNERR, "incorrect or missing expression for 'attribute'\n"); | |
| 3998 return NULL; | |
| 3999 } | |
| 4000 // Debug Stuff | |
| 4001 if (_AD._adl_debug > 1) fprintf(stderr,"Attribute: %s\n", cost); | |
| 4002 if (_curchar != ';') { | |
| 4003 parse_err(SYNERR, "missing ';' in attribute definition\n"); | |
| 4004 return NULL; | |
| 4005 } | |
| 4006 next_char(); // Point after the terminator | |
| 4007 | |
| 4008 skipws(); | |
| 4009 attrib = new Attribute(ident,cost,INS_ATTR); // Build new predicate object | |
| 4010 return attrib; | |
| 4011 } | |
| 4012 | |
| 4013 | |
| 4014 //------------------------------matchNode_parse-------------------------------- | |
| 4015 MatchNode *ADLParser::matchNode_parse(FormDict &operands, int &depth, int &numleaves, bool atroot) { | |
| 4016 // Count depth of parenthesis nesting for both left and right children | |
| 4017 int lParens = depth; | |
| 4018 int rParens = depth; | |
| 4019 | |
| 4020 // MatchNode objects for left, right, and root of subtree. | |
| 4021 MatchNode *lChild = NULL; | |
| 4022 MatchNode *rChild = NULL; | |
| 4023 char *token; // Identifier which may be opcode or operand | |
| 4024 | |
| 4025 // Match expression starts with a '(' | |
| 4026 if (cur_char() != '(') | |
| 4027 return NULL; | |
| 4028 | |
| 4029 next_char(); // advance past '(' | |
| 4030 | |
| 4031 // Parse the opcode | |
| 4032 token = get_ident(); // Get identifier, opcode | |
| 4033 if (token == NULL) { | |
| 4034 parse_err(SYNERR, "missing opcode in match expression\n"); | |
| 4035 return NULL; | |
| 4036 } | |
| 4037 | |
| 4038 // Take note if we see one of a few special operations - those that are | |
| 4039 // treated differently on different architectures in the sense that on | |
| 4040 // one architecture there is a match rule and on another there isn't (so | |
| 4041 // a call will eventually be generated). | |
| 4042 | |
| 4043 for (int i = _last_machine_leaf + 1; i < _last_opcode; i++) { | |
| 4044 if (strcmp(token, NodeClassNames[i]) == 0) { | |
| 4045 _AD.has_match_rule(i, true); | |
| 4046 } | |
| 4047 } | |
| 4048 | |
| 4049 // Lookup the root value in the operands dict to perform substitution | |
| 4050 const char *result = NULL; // Result type will be filled in later | |
| 4051 const char *name = token; // local name associated with this node | |
| 4052 const char *operation = token; // remember valid operation for later | |
| 4053 const Form *form = operands[token]; | |
| 4054 OpClassForm *opcForm = form ? form->is_opclass() : NULL; | |
| 4055 if (opcForm != NULL) { | |
| 4056 // If this token is an entry in the local names table, record its type | |
| 4057 if (!opcForm->ideal_only()) { | |
| 4058 operation = opcForm->_ident; | |
| 4059 result = operation; // Operands result in their own type | |
| 4060 } | |
| 4061 // Otherwise it is an ideal type, and so, has no local name | |
| 4062 else name = NULL; | |
| 4063 } | |
| 4064 | |
| 4065 // Parse the operands | |
| 4066 skipws(); | |
| 4067 if (cur_char() != ')') { | |
| 4068 | |
| 4069 // Parse the left child | |
| 4070 if (strcmp(operation,"Set")) | |
| 4071 lChild = matchChild_parse(operands, lParens, numleaves, false); | |
| 4072 else | |
| 4073 lChild = matchChild_parse(operands, lParens, numleaves, true); | |
| 4074 | |
| 4075 skipws(); | |
| 4076 if (cur_char() != ')' ) { | |
| 4077 if(strcmp(operation, "Set")) | |
| 4078 rChild = matchChild_parse(operands,rParens,numleaves,false); | |
| 4079 else | |
| 4080 rChild = matchChild_parse(operands,rParens,numleaves,true); | |
| 4081 } | |
| 4082 } | |
| 4083 | |
| 4084 // Check for required ')' | |
| 4085 skipws(); | |
| 4086 if (cur_char() != ')') { | |
| 4087 parse_err(SYNERR, "missing ')' in match expression\n"); | |
| 4088 return NULL; | |
| 4089 } | |
| 4090 next_char(); // skip the ')' | |
| 4091 | |
| 4092 MatchNode* mroot = new MatchNode(_AD,result,name,operation,lChild,rChild); | |
| 4093 | |
| 4094 // If not the root, reduce this subtree to an internal operand | |
| 4095 if (!atroot) { | |
| 4096 mroot->build_internalop(); | |
| 4097 } | |
| 4098 // depth is greater of left and right paths. | |
| 4099 depth = (lParens > rParens) ? lParens : rParens; | |
| 4100 | |
| 4101 return mroot; | |
| 4102 } | |
| 4103 | |
| 4104 | |
| 4105 //------------------------------matchChild_parse------------------------------- | |
| 4106 MatchNode *ADLParser::matchChild_parse(FormDict &operands, int &parens, int &numleaves, bool atroot) { | |
| 4107 MatchNode *child = NULL; | |
| 4108 const char *result = NULL; | |
| 4109 const char *token = NULL; | |
| 4110 const char *opType = NULL; | |
| 4111 | |
| 4112 if (cur_char() == '(') { // child is an operation | |
| 4113 ++parens; | |
| 4114 child = matchNode_parse(operands, parens, numleaves, atroot); | |
| 4115 } | |
| 4116 else { // child is an operand | |
| 4117 token = get_ident(); | |
| 4118 const Form *form = operands[token]; | |
| 4119 OpClassForm *opcForm = form ? form->is_opclass() : NULL; | |
| 4120 if (opcForm != NULL) { | |
| 4121 opType = opcForm->_ident; | |
| 4122 result = opcForm->_ident; // an operand's result matches its type | |
| 4123 } else { | |
| 4124 parse_err(SYNERR, "undefined operand %s in match rule\n", token); | |
| 4125 return NULL; | |
| 4126 } | |
| 4127 | |
| 4128 if (opType == NULL) { | |
| 4129 parse_err(SYNERR, "missing type for argument '%s'\n", token); | |
| 4130 } | |
| 4131 | |
| 4132 child = new MatchNode(_AD, result, token, opType); | |
| 4133 ++numleaves; | |
| 4134 } | |
| 4135 | |
| 4136 return child; | |
| 4137 } | |
| 4138 | |
| 4139 | |
| 4140 | |
| 4141 // ******************** Private Utility Functions ************************* | |
| 4142 | |
| 4143 | |
| 4144 char* ADLParser::find_cpp_block(const char* description) { | |
| 4145 char *next; // Pointer for finding block delimiters | |
| 4146 char* cppBlock = NULL; // Beginning of C++ code block | |
| 4147 | |
| 4148 if (_curchar == '%') { // Encoding is a C++ expression | |
| 4149 next_char(); | |
| 4150 if (_curchar != '{') { | |
| 4151 parse_err(SYNERR, "missing '{' in %s \n", description); | |
| 4152 return NULL; | |
| 4153 } | |
| 4154 next_char(); // Skip block delimiter | |
| 4155 skipws_no_preproc(); // Skip leading whitespace | |
| 4156 cppBlock = _ptr; // Point to start of expression | |
|
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4157 int line = linenum(); |
| 0 | 4158 next = _ptr + 1; |
| 4159 while(((_curchar != '%') || (*next != '}')) && (_curchar != '\0')) { | |
| 4160 next_char_or_line(); | |
| 4161 next = _ptr+1; // Maintain the next pointer | |
| 4162 } // Grab string | |
| 4163 if (_curchar == '\0') { | |
| 4164 parse_err(SYNERR, "invalid termination of %s \n", description); | |
| 4165 return NULL; | |
| 4166 } | |
| 4167 *_ptr = '\0'; // Terminate string | |
| 4168 _ptr += 2; // Skip block delimiter | |
| 4169 _curchar = *_ptr; // Maintain invariant | |
| 4170 | |
| 4171 // Prepend location descriptor, for debugging. | |
|
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4172 if (_AD._adlocation_debug) { |
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4173 char* location = get_line_string(line); |
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4174 char* end_loc = end_line_marker(); |
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4175 char* result = (char *)malloc(strlen(location) + strlen(cppBlock) + strlen(end_loc) + 1); |
|
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4176 strcpy(result, location); |
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4177 strcat(result, cppBlock); |
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4178 strcat(result, end_loc); |
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4179 cppBlock = result; |
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4180 free(location); |
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4181 } |
| 0 | 4182 } |
| 4183 | |
| 4184 return cppBlock; | |
| 4185 } | |
| 4186 | |
| 4187 // Move to the closing token of the expression we are currently at, | |
| 4188 // as defined by stop_chars. Match parens and quotes. | |
| 4189 char* ADLParser::get_expr(const char *desc, const char *stop_chars) { | |
| 4190 char* expr = NULL; | |
| 4191 int paren = 0; | |
| 4192 | |
| 4193 expr = _ptr; | |
| 4194 while (paren > 0 || !strchr(stop_chars, _curchar)) { | |
| 4195 if (_curchar == '(') { // Down level of nesting | |
| 4196 paren++; // Bump the parenthesis counter | |
| 4197 next_char(); // maintain the invariant | |
| 4198 } | |
| 4199 else if (_curchar == ')') { // Up one level of nesting | |
| 4200 if (paren == 0) { | |
| 4201 // Paren underflow: We didn't encounter the required stop-char. | |
| 4202 parse_err(SYNERR, "too many )'s, did not find %s after %s\n", | |
| 4203 stop_chars, desc); | |
| 4204 return NULL; | |
| 4205 } | |
| 4206 paren--; // Drop the parenthesis counter | |
| 4207 next_char(); // Maintain the invariant | |
| 4208 } | |
| 4209 else if (_curchar == '"' || _curchar == '\'') { | |
| 4210 int qchar = _curchar; | |
| 4211 while (true) { | |
| 4212 next_char(); | |
| 4213 if (_curchar == qchar) { next_char(); break; } | |
| 4214 if (_curchar == '\\') next_char(); // superquote | |
| 4215 if (_curchar == '\n' || _curchar == '\0') { | |
| 4216 parse_err(SYNERR, "newline in string in %s\n", desc); | |
| 4217 return NULL; | |
| 4218 } | |
| 4219 } | |
| 4220 } | |
| 4221 else if (_curchar == '%' && (_ptr[1] == '{' || _ptr[1] == '}')) { | |
| 4222 // Make sure we do not stray into the next ADLC-level form. | |
| 4223 parse_err(SYNERR, "unexpected %%%c in %s\n", _ptr[1], desc); | |
| 4224 return NULL; | |
| 4225 } | |
| 4226 else if (_curchar == '\0') { | |
| 4227 parse_err(SYNERR, "unexpected EOF in %s\n", desc); | |
| 4228 return NULL; | |
| 4229 } | |
| 4230 else { | |
| 4231 // Always walk over whitespace, comments, preprocessor directives, etc. | |
| 4232 char* pre_skip_ptr = _ptr; | |
| 4233 skipws(); | |
| 4234 // If the parser declined to make progress on whitespace, | |
| 4235 // skip the next character, which is therefore NOT whitespace. | |
| 4236 if (pre_skip_ptr == _ptr) { | |
| 4237 next_char(); | |
| 4238 } else if (pre_skip_ptr+strlen(pre_skip_ptr) != _ptr+strlen(_ptr)) { | |
| 4239 parse_err(SYNERR, "unimplemented: preprocessor must not elide subexpression in %s", desc); | |
| 4240 } | |
| 4241 } | |
| 4242 } | |
| 4243 | |
| 4244 assert(strchr(stop_chars, _curchar), "non-null return must be at stop-char"); | |
| 4245 *_ptr = '\0'; // Replace ')' or other stop-char with '\0' | |
| 4246 return expr; | |
| 4247 } | |
| 4248 | |
| 4249 // Helper function around get_expr | |
| 4250 // Sets _curchar to '(' so that get_paren_expr will search for a matching ')' | |
|
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4251 char *ADLParser::get_paren_expr(const char *description, bool include_location) { |
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4252 int line = linenum(); |
| 0 | 4253 if (_curchar != '(') // Escape if not valid starting position |
| 4254 return NULL; | |
| 4255 next_char(); // Skip the required initial paren. | |
| 4256 char *token2 = get_expr(description, ")"); | |
| 4257 if (_curchar == ')') | |
| 4258 next_char(); // Skip required final paren. | |
|
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4259 int junk = 0; |
|
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4260 if (include_location && _AD._adlocation_debug && !is_int_token(token2, junk)) { |
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4261 // Prepend location descriptor, for debugging. |
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4262 char* location = get_line_string(line); |
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4263 char* end_loc = end_line_marker(); |
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4264 char* result = (char *)malloc(strlen(location) + strlen(token2) + strlen(end_loc) + 1); |
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4265 strcpy(result, location); |
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4266 strcat(result, token2); |
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4267 strcat(result, end_loc); |
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4268 token2 = result; |
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4269 free(location); |
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|
4270 } |
| 0 | 4271 return token2; |
| 4272 } | |
| 4273 | |
| 4274 //------------------------------get_ident_common------------------------------- | |
| 4275 // Looks for an identifier in the buffer, and turns it into a null terminated | |
| 4276 // string(still inside the file buffer). Returns a pointer to the string or | |
| 4277 // NULL if some other token is found instead. | |
| 4278 char *ADLParser::get_ident_common(bool do_preproc) { | |
| 4279 register char c; | |
| 4280 char *start; // Pointer to start of token | |
| 4281 char *end; // Pointer to end of token | |
| 4282 | |
| 4283 if( _curline == NULL ) // Return NULL at EOF. | |
| 4284 return NULL; | |
| 4285 | |
| 4286 skipws_common(do_preproc); // Skip whitespace before identifier | |
| 4287 start = end = _ptr; // Start points at first character | |
| 4288 end--; // unwind end by one to prepare for loop | |
| 4289 do { | |
| 4290 end++; // Increment end pointer | |
| 4291 c = *end; // Grab character to test | |
| 4292 } while ( ((c >= 'a') && (c <= 'z')) || ((c >= 'A') && (c <= 'Z')) | |
| 4293 || ((c >= '0') && (c <= '9')) | |
| 4294 || ((c == '_')) || ((c == ':')) || ((c == '#')) ); | |
| 4295 if (start == end) { // We popped out on the first try | |
| 6850 | 4296 // It can occur that `start' contains the rest of the input file. |
| 4297 // In this case the output should be truncated. | |
| 4298 if (strlen(start) > 24) { | |
| 4299 char buf[32]; | |
| 4300 strncpy(buf, start, 20); | |
| 4301 buf[20] = '\0'; | |
| 4302 strcat(buf, "[...]"); | |
| 4303 parse_err(SYNERR, "Identifier expected, but found '%s'.", buf); | |
| 4304 } else { | |
| 4305 parse_err(SYNERR, "Identifier expected, but found '%s'.", start); | |
| 4306 } | |
| 0 | 4307 start = NULL; |
| 4308 } | |
| 4309 else { | |
| 4310 _curchar = c; // Save the first character of next token | |
| 4311 *end = '\0'; // NULL terminate the string in place | |
| 4312 } | |
| 4313 _ptr = end; // Reset _ptr to point to next char after token | |
| 4314 | |
| 4315 // Make sure we do not try to use #defined identifiers. If start is | |
| 4316 // NULL an error was already reported. | |
| 4317 if (do_preproc && start != NULL) { | |
| 4318 const char* def = _AD.get_preproc_def(start); | |
| 4319 if (def != NULL && strcmp(def, start)) { | |
|
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4320 const char* def1 = def; |
|
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4321 const char* def2 = _AD.get_preproc_def(def1); |
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4322 // implement up to 2 levels of #define |
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4323 if (def2 != NULL && strcmp(def2, def1)) { |
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4324 def = def2; |
|
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4325 const char* def3 = _AD.get_preproc_def(def2); |
|
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4326 if (def3 != NULL && strcmp(def3, def2) && strcmp(def3, def1)) { |
|
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4327 parse_err(SYNERR, "unimplemented: using %s defined as %s => %s => %s", |
|
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4328 start, def1, def2, def3); |
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|
4329 } |
| 0 | 4330 } |
| 4331 start = strdup(def); | |
| 4332 } | |
| 4333 } | |
| 4334 | |
| 4335 return start; // Pointer to token in filebuf | |
| 4336 } | |
| 4337 | |
| 4338 //------------------------------get_ident_dup---------------------------------- | |
| 4339 // Looks for an identifier in the buffer, and returns a duplicate | |
| 4340 // or NULL if some other token is found instead. | |
| 4341 char *ADLParser::get_ident_dup(void) { | |
| 4342 char *ident = get_ident(); | |
| 4343 | |
| 4344 // Duplicate an identifier before returning and restore string. | |
| 4345 if( ident != NULL ) { | |
| 4346 ident = strdup(ident); // Copy the string | |
| 4347 *_ptr = _curchar; // and replace Nil with original character | |
| 4348 } | |
| 4349 | |
| 4350 return ident; | |
| 4351 } | |
| 4352 | |
| 4353 //----------------------get_ident_or_literal_constant-------------------------- | |
| 4354 // Looks for an identifier in the buffer, or a parenthesized expression. | |
| 4355 char *ADLParser::get_ident_or_literal_constant(const char* description) { | |
| 4356 char* param = NULL; | |
| 4357 skipws(); | |
| 4358 if (_curchar == '(') { | |
| 4359 // Grab a constant expression. | |
| 4360 param = get_paren_expr(description); | |
| 4361 if (param[0] != '(') { | |
| 4362 char* buf = (char*) malloc(strlen(param) + 3); | |
| 4363 sprintf(buf, "(%s)", param); | |
| 4364 param = buf; | |
| 4365 } | |
| 4366 assert(is_literal_constant(param), | |
| 4367 "expr must be recognizable as a constant"); | |
| 4368 } else { | |
| 4369 param = get_ident(); | |
| 4370 } | |
| 4371 return param; | |
| 4372 } | |
| 4373 | |
| 4374 //------------------------------get_rep_var_ident----------------------------- | |
| 4375 // Do NOT duplicate, | |
| 4376 // Leave nil terminator in buffer | |
| 4377 // Preserve initial '$'(s) in string | |
| 4378 char *ADLParser::get_rep_var_ident(void) { | |
| 4379 // Remember starting point | |
| 4380 char *rep_var = _ptr; | |
| 4381 | |
| 4382 // Check for replacement variable indicator '$' and pass if present | |
| 4383 if ( _curchar == '$' ) { | |
| 4384 next_char(); | |
| 4385 } | |
| 4386 // Check for a subfield indicator, a second '$', and pass if present | |
| 4387 if ( _curchar == '$' ) { | |
| 4388 next_char(); | |
| 4389 } | |
| 4390 | |
| 4391 // Check for a control indicator, a third '$': | |
| 4392 if ( _curchar == '$' ) { | |
| 4393 next_char(); | |
| 4394 } | |
| 4395 | |
| 4396 // Check for more than three '$'s in sequence, SYNERR | |
| 4397 if( _curchar == '$' ) { | |
| 4398 parse_err(SYNERR, "Replacement variables and field specifiers can not start with '$$$$'"); | |
| 4399 next_char(); | |
| 4400 return NULL; | |
| 4401 } | |
| 4402 | |
| 4403 // Nil terminate the variable name following the '$' | |
| 4404 char *rep_var_name = get_ident(); | |
| 4405 assert( rep_var_name != NULL, | |
| 4406 "Missing identifier after replacement variable indicator '$'"); | |
| 4407 | |
| 4408 return rep_var; | |
| 4409 } | |
| 4410 | |
| 4411 | |
| 4412 | |
| 4413 //------------------------------get_rep_var_ident_dup------------------------- | |
| 4414 // Return the next replacement variable identifier, skipping first '$' | |
| 4415 // given a pointer into a line of the buffer. | |
| 4416 // Null terminates string, still inside the file buffer, | |
| 4417 // Returns a pointer to a copy of the string, or NULL on failure | |
| 4418 char *ADLParser::get_rep_var_ident_dup(void) { | |
| 4419 if( _curchar != '$' ) return NULL; | |
| 4420 | |
| 4421 next_char(); // Move past the '$' | |
| 4422 char *rep_var = _ptr; // Remember starting point | |
| 4423 | |
| 4424 // Check for a subfield indicator, a second '$': | |
| 4425 if ( _curchar == '$' ) { | |
| 4426 next_char(); | |
| 4427 } | |
| 4428 | |
| 4429 // Check for a control indicator, a third '$': | |
| 4430 if ( _curchar == '$' ) { | |
| 4431 next_char(); | |
| 4432 } | |
| 4433 | |
| 4434 // Check for more than three '$'s in sequence, SYNERR | |
| 4435 if( _curchar == '$' ) { | |
| 4436 parse_err(SYNERR, "Replacement variables and field specifiers can not start with '$$$$'"); | |
| 4437 next_char(); | |
| 4438 return NULL; | |
| 4439 } | |
| 4440 | |
| 4441 // Nil terminate the variable name following the '$' | |
| 4442 char *rep_var_name = get_ident(); | |
| 4443 assert( rep_var_name != NULL, | |
| 4444 "Missing identifier after replacement variable indicator '$'"); | |
| 4445 rep_var = strdup(rep_var); // Copy the string | |
| 4446 *_ptr = _curchar; // and replace Nil with original character | |
| 4447 | |
| 4448 return rep_var; | |
| 4449 } | |
| 4450 | |
| 4451 | |
| 4452 //------------------------------get_unique_ident------------------------------ | |
| 4453 // Looks for an identifier in the buffer, terminates it with a NULL, | |
| 4454 // and checks that it is unique | |
| 4455 char *ADLParser::get_unique_ident(FormDict& dict, const char* nameDescription){ | |
| 4456 char* ident = get_ident(); | |
| 4457 | |
| 4458 if (ident == NULL) { | |
| 4459 parse_err(SYNERR, "missing %s identifier at %c\n", nameDescription, _curchar); | |
| 4460 } | |
| 4461 else { | |
| 4462 if (dict[ident] != NULL) { | |
| 4463 parse_err(SYNERR, "duplicate name %s for %s\n", ident, nameDescription); | |
| 4464 ident = NULL; | |
| 4465 } | |
| 4466 } | |
| 4467 | |
| 4468 return ident; | |
| 4469 } | |
| 4470 | |
| 4471 | |
| 4472 //------------------------------get_int---------------------------------------- | |
| 4473 // Looks for a character string integer in the buffer, and turns it into an int | |
| 4474 // invokes a parse_err if the next token is not an integer. | |
| 4475 // This routine does not leave the integer null-terminated. | |
| 4476 int ADLParser::get_int(void) { | |
| 4477 register char c; | |
| 4478 char *start; // Pointer to start of token | |
| 4479 char *end; // Pointer to end of token | |
| 4480 int result; // Storage for integer result | |
| 4481 | |
| 4482 if( _curline == NULL ) // Return NULL at EOF. | |
|
603
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
4483 return 0; |
| 0 | 4484 |
| 4485 skipws(); // Skip whitespace before identifier | |
| 4486 start = end = _ptr; // Start points at first character | |
| 4487 c = *end; // Grab character to test | |
| 4488 while ((c >= '0') && (c <= '9') | |
| 4489 || ((c == '-') && (end == start))) { | |
| 4490 end++; // Increment end pointer | |
| 4491 c = *end; // Grab character to test | |
| 4492 } | |
| 4493 if (start == end) { // We popped out on the first try | |
| 4494 parse_err(SYNERR, "integer expected at %c\n", c); | |
| 4495 result = 0; | |
| 4496 } | |
| 4497 else { | |
| 4498 _curchar = c; // Save the first character of next token | |
| 4499 *end = '\0'; // NULL terminate the string in place | |
| 4500 result = atoi(start); // Convert the string to an integer | |
| 4501 *end = _curchar; // Restore buffer to original condition | |
| 4502 } | |
| 4503 | |
| 4504 // Reset _ptr to next char after token | |
| 4505 _ptr = end; | |
| 4506 | |
| 4507 return result; // integer | |
| 4508 } | |
| 4509 | |
| 4510 | |
| 4511 //------------------------------get_relation_dup------------------------------ | |
| 4512 // Looks for a relational operator in the buffer | |
| 4513 // invokes a parse_err if the next token is not a relation | |
| 4514 // This routine creates a duplicate of the string in the buffer. | |
| 4515 char *ADLParser::get_relation_dup(void) { | |
| 4516 char *result = NULL; // relational operator being returned | |
| 4517 | |
| 4518 if( _curline == NULL ) // Return NULL at EOF. | |
| 4519 return NULL; | |
| 4520 | |
| 4521 skipws(); // Skip whitespace before relation | |
| 4522 char *start = _ptr; // Store start of relational operator | |
| 4523 char first = *_ptr; // the first character | |
| 4524 if( (first == '=') || (first == '!') || (first == '<') || (first == '>') ) { | |
| 4525 next_char(); | |
| 4526 char second = *_ptr; // the second character | |
| 4527 if( (second == '=') ) { | |
| 4528 next_char(); | |
| 4529 char tmp = *_ptr; | |
| 4530 *_ptr = '\0'; // NULL terminate | |
| 4531 result = strdup(start); // Duplicate the string | |
| 4532 *_ptr = tmp; // restore buffer | |
| 4533 } else { | |
| 4534 parse_err(SYNERR, "relational operator expected at %s\n", _ptr); | |
| 4535 } | |
| 4536 } else { | |
| 4537 parse_err(SYNERR, "relational operator expected at %s\n", _ptr); | |
| 4538 } | |
| 4539 | |
| 4540 return result; | |
| 4541 } | |
| 4542 | |
| 4543 | |
| 4544 | |
| 4545 //------------------------------get_oplist------------------------------------- | |
| 4546 // Looks for identifier pairs where first must be the name of an operand, and | |
| 4547 // second must be a name unique in the scope of this instruction. Stores the | |
| 4548 // names with a pointer to the OpClassForm of their type in a local name table. | |
| 4549 void ADLParser::get_oplist(NameList ¶meters, FormDict &operands) { | |
| 4550 OpClassForm *opclass = NULL; | |
| 4551 char *ident = NULL; | |
| 4552 | |
| 4553 do { | |
| 4554 next_char(); // skip open paren & comma characters | |
| 4555 skipws(); | |
| 4556 if (_curchar == ')') break; | |
| 4557 | |
| 4558 // Get operand type, and check it against global name table | |
| 4559 ident = get_ident(); | |
| 4560 if (ident == NULL) { | |
| 4561 parse_err(SYNERR, "optype identifier expected at %c\n", _curchar); | |
| 4562 return; | |
| 4563 } | |
| 4564 else { | |
| 4565 const Form *form = _globalNames[ident]; | |
| 4566 if( form == NULL ) { | |
| 4567 parse_err(SYNERR, "undefined operand type %s\n", ident); | |
| 4568 return; | |
| 4569 } | |
| 4570 | |
| 4571 // Check for valid operand type | |
| 4572 OpClassForm *opc = form->is_opclass(); | |
| 4573 OperandForm *oper = form->is_operand(); | |
| 4574 if((oper == NULL) && (opc == NULL)) { | |
| 4575 parse_err(SYNERR, "identifier %s not operand type\n", ident); | |
| 4576 return; | |
| 4577 } | |
| 4578 opclass = opc; | |
| 4579 } | |
| 4580 // Debugging Stuff | |
| 4581 if (_AD._adl_debug > 1) fprintf(stderr, "\tOperand Type: %s\t", ident); | |
| 4582 | |
| 4583 // Get name of operand and add it to local name table | |
| 4584 if( (ident = get_unique_ident(operands, "operand")) == NULL) { | |
| 4585 return; | |
| 4586 } | |
| 4587 // Parameter names must not be global names. | |
| 4588 if( _globalNames[ident] != NULL ) { | |
| 4589 parse_err(SYNERR, "Reuse of global name %s as operand.\n",ident); | |
| 4590 return; | |
| 4591 } | |
| 4592 operands.Insert(ident, opclass); | |
| 4593 parameters.addName(ident); | |
| 4594 | |
| 4595 // Debugging Stuff | |
| 4596 if (_AD._adl_debug > 1) fprintf(stderr, "\tOperand Name: %s\n", ident); | |
| 4597 skipws(); | |
| 4598 } while(_curchar == ','); | |
| 4599 | |
| 4600 if (_curchar != ')') parse_err(SYNERR, "missing ')'\n"); | |
| 4601 else { | |
| 4602 next_char(); // set current character position past the close paren | |
| 4603 } | |
| 4604 } | |
| 4605 | |
| 4606 | |
| 4607 //------------------------------get_effectlist--------------------------------- | |
| 4608 // Looks for identifier pairs where first must be the name of a pre-defined, | |
| 4609 // effect, and the second must be the name of an operand defined in the | |
| 4610 // operand list of this instruction. Stores the names with a pointer to the | |
| 4611 // 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
|
4612 void ADLParser::get_effectlist(FormDict &effects, FormDict &operands, bool& has_call) { |
| 0 | 4613 OperandForm *opForm; |
| 4614 Effect *eForm; | |
| 4615 char *ident; | |
| 4616 | |
| 4617 do { | |
| 4618 next_char(); // skip open paren & comma characters | |
| 4619 skipws(); | |
| 4620 if (_curchar == ')') break; | |
| 4621 | |
| 4622 // Get effect type, and check it against global name table | |
| 4623 ident = get_ident(); | |
| 4624 if (ident == NULL) { | |
| 4625 parse_err(SYNERR, "effect type identifier expected at %c\n", _curchar); | |
| 4626 return; | |
| 4627 } | |
| 4628 else { | |
| 4629 // Check for valid effect type | |
| 4630 const Form *form = _globalNames[ident]; | |
| 4631 if( form == NULL ) { | |
| 4632 parse_err(SYNERR, "undefined effect type %s\n", ident); | |
| 4633 return; | |
| 4634 } | |
| 4635 else { | |
| 4636 if( (eForm = form->is_effect()) == NULL) { | |
| 4637 parse_err(SYNERR, "identifier %s not effect type\n", ident); | |
| 4638 return; | |
| 4639 } | |
| 4640 } | |
| 4641 } | |
| 4642 // Debugging Stuff | |
| 4643 if (_AD._adl_debug > 1) fprintf(stderr, "\tEffect Type: %s\t", ident); | |
| 4644 skipws(); | |
|
4120
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4645 if (eForm->is(Component::CALL)) { |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4646 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
|
4647 has_call = true; |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4648 } else { |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4649 // 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
|
4650 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
|
4651 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
|
4652 return; |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4653 } |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4654 const Form *form = operands[ident]; |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4655 opForm = form ? form->is_operand() : NULL; |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4656 if( opForm == NULL ) { |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4657 if( form && form->is_opclass() ) { |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4658 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
|
4659 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
|
4660 } else { |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4661 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
|
4662 } |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4663 return; |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4664 } |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4665 // 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
|
4666 effects.Insert(ident, eForm); |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4667 // Debugging Stuff |
|
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4668 if (_AD._adl_debug > 1) fprintf(stderr, "\tOperand Name: %s\n", ident); |
| 0 | 4669 } |
| 4670 skipws(); | |
| 4671 } while(_curchar == ','); | |
| 4672 | |
| 4673 if (_curchar != ')') parse_err(SYNERR, "missing ')'\n"); | |
| 4674 else { | |
| 4675 next_char(); // set current character position past the close paren | |
| 4676 } | |
| 4677 } | |
| 4678 | |
| 4679 | |
|
475
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4680 //-------------------------------preproc_line---------------------------------- |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4681 // 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
|
4682 void ADLParser::preproc_line(void) { |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4683 int line = get_int(); |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4684 skipws_no_preproc(); |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4685 const char* file = NULL; |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4686 if (_curchar == '"') { |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4687 next_char(); // Move past the initial '"' |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4688 file = _ptr; |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4689 while (true) { |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4690 if (_curchar == '\n') { |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4691 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
|
4692 return; |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4693 } |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4694 if (_curchar == '"') { |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4695 *_ptr = '\0'; // Terminate the string |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4696 next_char(); |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4697 skipws_no_preproc(); |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4698 break; |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4699 } |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4700 next_char(); |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4701 } |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4702 } |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4703 ensure_end_of_line(); |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4704 if (file != NULL) |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4705 _AD._ADL_file._name = file; |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4706 _buf.set_linenum(line); |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4707 } |
|
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
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4708 |
| 0 | 4709 //------------------------------preproc_define--------------------------------- |
| 4710 // A "#define" keyword has been seen, so parse the rest of the line. | |
| 4711 void ADLParser::preproc_define(void) { | |
| 4712 char* flag = get_ident_no_preproc(); | |
| 4713 skipws_no_preproc(); | |
| 4714 // only #define x y is supported for now | |
| 4715 char* def = get_ident_no_preproc(); | |
| 4716 _AD.set_preproc_def(flag, def); | |
| 4717 skipws_no_preproc(); | |
| 4718 if (_curchar != '\n') { | |
| 4719 parse_err(SYNERR, "non-identifier in preprocessor definition\n"); | |
| 4720 } | |
| 4721 } | |
| 4722 | |
| 4723 //------------------------------preproc_undef---------------------------------- | |
| 4724 // An "#undef" keyword has been seen, so parse the rest of the line. | |
| 4725 void ADLParser::preproc_undef(void) { | |
| 4726 char* flag = get_ident_no_preproc(); | |
| 4727 skipws_no_preproc(); | |
| 4728 ensure_end_of_line(); | |
| 4729 _AD.set_preproc_def(flag, NULL); | |
| 4730 } | |
| 4731 | |
| 4732 | |
| 4733 | |
| 4734 //------------------------------parse_err-------------------------------------- | |
| 4735 // Issue a parser error message, and skip to the end of the current line | |
| 4736 void ADLParser::parse_err(int flag, const char *fmt, ...) { | |
| 4737 va_list args; | |
| 4738 | |
| 4739 va_start(args, fmt); | |
| 4740 if (flag == 1) | |
|
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4741 _AD._syntax_errs += _AD.emit_msg(0, flag, linenum(), fmt, args); |
| 0 | 4742 else if (flag == 2) |
|
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4743 _AD._semantic_errs += _AD.emit_msg(0, flag, linenum(), fmt, args); |
| 0 | 4744 else |
|
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4745 _AD._warnings += _AD.emit_msg(0, flag, linenum(), fmt, args); |
| 0 | 4746 |
| 4747 int error_char = _curchar; | |
| 4748 char* error_ptr = _ptr+1; | |
| 4749 for(;*_ptr != '\n'; _ptr++) ; // Skip to the end of the current line | |
| 4750 _curchar = '\n'; | |
| 4751 va_end(args); | |
| 4752 _AD._no_output = 1; | |
| 4753 | |
| 4754 if (flag == 1) { | |
| 4755 char* error_tail = strchr(error_ptr, '\n'); | |
| 4756 char tem = *error_ptr; | |
| 4757 error_ptr[-1] = '\0'; | |
| 4758 char* error_head = error_ptr-1; | |
| 4759 while (error_head > _curline && *error_head) --error_head; | |
| 4760 if (error_tail) *error_tail = '\0'; | |
| 4761 fprintf(stderr, "Error Context: %s>>>%c<<<%s\n", | |
| 4762 error_head, error_char, error_ptr); | |
| 4763 if (error_tail) *error_tail = '\n'; | |
| 4764 error_ptr[-1] = tem; | |
| 4765 } | |
| 4766 } | |
| 4767 | |
| 4768 //---------------------------ensure_start_of_line------------------------------ | |
| 4769 // A preprocessor directive has been encountered. Be sure it has fallen at | |
| 605 | 4770 // the beginning of a line, or else report an error. |
| 0 | 4771 void ADLParser::ensure_start_of_line(void) { |
|
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4772 if (_curchar == '\n') { next_line(); return; } |
| 0 | 4773 assert( _ptr >= _curline && _ptr < _curline+strlen(_curline), |
| 4774 "Must be able to find which line we are in" ); | |
| 4775 | |
| 4776 for (char *s = _curline; s < _ptr; s++) { | |
| 4777 if (*s > ' ') { | |
| 4778 parse_err(SYNERR, "'%c' must be at beginning of line\n", _curchar); | |
| 4779 break; | |
| 4780 } | |
| 4781 } | |
| 4782 } | |
| 4783 | |
| 4784 //---------------------------ensure_end_of_line-------------------------------- | |
| 4785 // A preprocessor directive has been parsed. Be sure there is no trailing | |
| 4786 // garbage at the end of this line. Set the scan point to the beginning of | |
| 4787 // the next line. | |
| 4788 void ADLParser::ensure_end_of_line(void) { | |
| 4789 skipws_no_preproc(); | |
| 4790 if (_curchar != '\n' && _curchar != '\0') { | |
| 4791 parse_err(SYNERR, "garbage char '%c' at end of line\n", _curchar); | |
| 4792 } else { | |
| 4793 next_char_or_line(); | |
| 4794 } | |
| 4795 } | |
| 4796 | |
| 4797 //---------------------------handle_preproc------------------------------------ | |
| 4798 // The '#' character introducing a preprocessor directive has been found. | |
| 4799 // Parse the whole directive name (e.g., #define, #endif) and take appropriate | |
| 4800 // action. If we are in an "untaken" span of text, simply keep track of | |
| 4801 // #ifdef nesting structure, so we can find out when to start taking text | |
| 4802 // again. (In this state, we "sort of support" C's #if directives, enough | |
| 4803 // to disregard their associated #else and #endif lines.) If we are in a | |
| 4804 // "taken" span of text, there are two cases: "#define" and "#undef" | |
| 4805 // directives are preserved and passed up to the caller, which eventually | |
| 4806 // passes control to the top-level parser loop, which handles #define and | |
| 4807 // #undef directly. (This prevents these directives from occurring in | |
| 4808 // arbitrary positions in the AD file--we require better structure than C.) | |
| 4809 // In the other case, and #ifdef, #ifndef, #else, or #endif is silently | |
| 4810 // processed as whitespace, with the "taken" state of the text correctly | |
| 4811 // updated. This routine returns "false" exactly in the case of a "taken" | |
| 4812 // #define or #undef, which tells the caller that a preprocessor token | |
| 4813 // has appeared which must be handled explicitly by the parse loop. | |
| 4814 bool ADLParser::handle_preproc_token() { | |
| 4815 assert(*_ptr == '#', "must be at start of preproc"); | |
| 4816 ensure_start_of_line(); | |
| 4817 next_char(); | |
| 4818 skipws_no_preproc(); | |
| 4819 char* start_ident = _ptr; | |
| 4820 char* ident = (_curchar == '\n') ? NULL : get_ident_no_preproc(); | |
| 4821 if (ident == NULL) { | |
| 4822 parse_err(SYNERR, "expected preprocessor command, got end of line\n"); | |
| 4823 } else if (!strcmp(ident, "ifdef") || | |
| 4824 !strcmp(ident, "ifndef")) { | |
| 4825 char* flag = get_ident_no_preproc(); | |
| 4826 ensure_end_of_line(); | |
| 4827 // Test the identifier only if we are already in taken code: | |
| 4828 bool flag_def = preproc_taken() && (_AD.get_preproc_def(flag) != NULL); | |
| 4829 bool now_taken = !strcmp(ident, "ifdef") ? flag_def : !flag_def; | |
| 4830 begin_if_def(now_taken); | |
| 4831 } else if (!strcmp(ident, "if")) { | |
| 4832 if (preproc_taken()) | |
| 4833 parse_err(SYNERR, "unimplemented: #%s %s", ident, _ptr+1); | |
| 4834 next_line(); | |
| 4835 // Intelligently skip this nested C preprocessor directive: | |
| 4836 begin_if_def(true); | |
| 4837 } else if (!strcmp(ident, "else")) { | |
| 4838 ensure_end_of_line(); | |
| 4839 invert_if_def(); | |
| 4840 } else if (!strcmp(ident, "endif")) { | |
| 4841 ensure_end_of_line(); | |
| 4842 end_if_def(); | |
| 4843 } else if (preproc_taken()) { | |
| 4844 // pass this token up to the main parser as "#define" or "#undef" | |
| 4845 _ptr = start_ident; | |
| 4846 _curchar = *--_ptr; | |
| 4847 if( _curchar != '#' ) { | |
| 4848 parse_err(SYNERR, "no space allowed after # in #define or #undef"); | |
| 4849 assert(_curchar == '#', "no space allowed after # in #define or #undef"); | |
| 4850 } | |
| 4851 return false; | |
| 4852 } | |
| 4853 return true; | |
| 4854 } | |
| 4855 | |
| 4856 //---------------------------skipws_common------------------------------------- | |
| 4857 // Skip whitespace, including comments and newlines, while keeping an accurate | |
| 4858 // line count. | |
| 4859 // Maybe handle certain preprocessor constructs: #ifdef, #ifndef, #else, #endif | |
| 4860 void ADLParser::skipws_common(bool do_preproc) { | |
| 4861 char *start = _ptr; | |
| 4862 char *next = _ptr + 1; | |
| 4863 | |
| 4864 if (*_ptr == '\0') { | |
| 4865 // Check for string terminator | |
| 4866 if (_curchar > ' ') return; | |
| 4867 if (_curchar == '\n') { | |
| 4868 if (!do_preproc) return; // let caller handle the newline | |
| 4869 next_line(); | |
| 4870 _ptr = _curline; next = _ptr + 1; | |
| 4871 } | |
| 4872 else if (_curchar == '#' || | |
| 4873 (_curchar == '/' && (*next == '/' || *next == '*'))) { | |
| 4874 parse_err(SYNERR, "unimplemented: comment token in a funny place"); | |
| 4875 } | |
| 4876 } | |
| 4877 while(_curline != NULL) { // Check for end of file | |
| 4878 if (*_ptr == '\n') { // keep proper track of new lines | |
| 4879 if (!do_preproc) break; // let caller handle the newline | |
| 4880 next_line(); | |
| 4881 _ptr = _curline; next = _ptr + 1; | |
| 4882 } | |
| 4883 else if ((*_ptr == '/') && (*next == '/')) // C++ comment | |
| 4884 do { _ptr++; next++; } while(*_ptr != '\n'); // So go to end of line | |
| 4885 else if ((*_ptr == '/') && (*next == '*')) { // C comment | |
| 4886 _ptr++; next++; | |
| 4887 do { | |
| 4888 _ptr++; next++; | |
| 4889 if (*_ptr == '\n') { // keep proper track of new lines | |
| 4890 next_line(); // skip newlines within comments | |
| 4891 if (_curline == NULL) { // check for end of file | |
| 4892 parse_err(SYNERR, "end-of-file detected inside comment\n"); | |
| 4893 break; | |
| 4894 } | |
| 4895 _ptr = _curline; next = _ptr + 1; | |
| 4896 } | |
| 4897 } while(!((*_ptr == '*') && (*next == '/'))); // Go to end of comment | |
| 4898 _ptr = ++next; next++; // increment _ptr past comment end | |
| 4899 } | |
| 4900 else if (do_preproc && *_ptr == '#') { | |
| 4901 // Note that this calls skipws_common(false) recursively! | |
| 4902 bool preproc_handled = handle_preproc_token(); | |
| 4903 if (!preproc_handled) { | |
| 4904 if (preproc_taken()) { | |
| 4905 return; // short circuit | |
| 4906 } | |
| 4907 ++_ptr; // skip the preprocessor character | |
| 4908 } | |
| 4909 next = _ptr+1; | |
| 4910 } else if(*_ptr > ' ' && !(do_preproc && !preproc_taken())) { | |
| 4911 break; | |
| 4912 } | |
| 4913 else if (*_ptr == '"' || *_ptr == '\'') { | |
| 4914 assert(do_preproc, "only skip strings if doing preproc"); | |
| 4915 // skip untaken quoted string | |
| 4916 int qchar = *_ptr; | |
| 4917 while (true) { | |
| 4918 ++_ptr; | |
| 4919 if (*_ptr == qchar) { ++_ptr; break; } | |
| 4920 if (*_ptr == '\\') ++_ptr; | |
| 4921 if (*_ptr == '\n' || *_ptr == '\0') { | |
| 4922 parse_err(SYNERR, "newline in string"); | |
| 4923 break; | |
| 4924 } | |
| 4925 } | |
| 4926 next = _ptr + 1; | |
| 4927 } | |
| 4928 else { ++_ptr; ++next; } | |
| 4929 } | |
| 4930 if( _curline != NULL ) // at end of file _curchar isn't valid | |
| 4931 _curchar = *_ptr; // reset _curchar to maintain invariant | |
| 4932 } | |
| 4933 | |
| 4934 //---------------------------cur_char----------------------------------------- | |
| 4935 char ADLParser::cur_char() { | |
| 4936 return (_curchar); | |
| 4937 } | |
| 4938 | |
| 4939 //---------------------------next_char----------------------------------------- | |
| 4940 void ADLParser::next_char() { | |
|
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4941 if (_curchar == '\n') parse_err(WARN, "must call next_line!"); |
| 0 | 4942 _curchar = *++_ptr; |
| 4943 // if ( _curchar == '\n' ) { | |
| 4944 // next_line(); | |
| 4945 // } | |
| 4946 } | |
| 4947 | |
| 4948 //---------------------------next_char_or_line--------------------------------- | |
| 4949 void ADLParser::next_char_or_line() { | |
| 4950 if ( _curchar != '\n' ) { | |
| 4951 _curchar = *++_ptr; | |
| 4952 } else { | |
| 4953 next_line(); | |
| 4954 _ptr = _curline; | |
| 4955 _curchar = *_ptr; // maintain invariant | |
| 4956 } | |
| 4957 } | |
| 4958 | |
| 4959 //---------------------------next_line----------------------------------------- | |
| 4960 void ADLParser::next_line() { | |
|
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4961 _curline = _buf.get_line(); |
|
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4962 _curchar = ' '; |
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4963 } |
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4964 |
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4965 //------------------------get_line_string-------------------------------------- |
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4966 // Prepended location descriptor, for debugging. |
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4967 // Must return a malloced string (that can be freed if desired). |
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4968 char* ADLParser::get_line_string(int linenum) { |
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4969 const char* file = _AD._ADL_file._name; |
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4970 int line = linenum ? linenum : this->linenum(); |
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4971 char* location = (char *)malloc(strlen(file) + 100); |
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4972 sprintf(location, "\n#line %d \"%s\"\n", line, file); |
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4973 return location; |
| 0 | 4974 } |
| 4975 | |
| 4976 //-------------------------is_literal_constant--------------------------------- | |
| 4977 bool ADLParser::is_literal_constant(const char *param) { | |
| 4978 if (param[0] == 0) return false; // null string | |
| 4979 if (param[0] == '(') return true; // parenthesized expression | |
| 4980 if (param[0] == '0' && (param[1] == 'x' || param[1] == 'X')) { | |
| 4981 // Make sure it's a hex constant. | |
| 4982 int i = 2; | |
| 4983 do { | |
| 4984 if( !ADLParser::is_hex_digit(*(param+i)) ) return false; | |
| 4985 ++i; | |
| 4986 } while( *(param+i) != 0 ); | |
| 4987 return true; | |
| 4988 } | |
| 4989 return false; | |
| 4990 } | |
| 4991 | |
| 4992 //---------------------------is_hex_digit-------------------------------------- | |
| 4993 bool ADLParser::is_hex_digit(char digit) { | |
| 4994 return ((digit >= '0') && (digit <= '9')) | |
| 4995 ||((digit >= 'a') && (digit <= 'f')) | |
| 4996 ||((digit >= 'A') && (digit <= 'F')); | |
| 4997 } | |
| 4998 | |
| 4999 //---------------------------is_int_token-------------------------------------- | |
| 5000 bool ADLParser::is_int_token(const char* token, int& intval) { | |
| 5001 const char* cp = token; | |
| 5002 while (*cp != '\0' && *cp <= ' ') cp++; | |
| 5003 if (*cp == '-') cp++; | |
| 5004 int ndigit = 0; | |
| 5005 while (*cp >= '0' && *cp <= '9') { cp++; ndigit++; } | |
| 5006 while (*cp != '\0' && *cp <= ' ') cp++; | |
| 5007 if (ndigit == 0 || *cp != '\0') { | |
| 5008 return false; | |
| 5009 } | |
| 5010 intval = atoi(token); | |
| 5011 return true; | |
| 5012 } | |
| 5013 | |
|
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5014 static const char* skip_expr_ws(const char* str) { |
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5015 const char * cp = str; |
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5016 while (cp[0]) { |
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5017 if (cp[0] <= ' ') { |
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5018 ++cp; |
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5019 } else if (cp[0] == '#') { |
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5020 ++cp; |
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5021 while (cp[0] == ' ') ++cp; |
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5022 assert(0 == strncmp(cp, "line", 4), "must be a #line directive"); |
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5023 const char* eol = strchr(cp, '\n'); |
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5024 assert(eol != NULL, "must find end of line"); |
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5025 if (eol == NULL) eol = cp + strlen(cp); |
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5026 cp = eol; |
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5027 } else { |
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5028 break; |
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|
5029 } |
|
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|
5030 } |
|
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5031 return cp; |
|
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|
5032 } |
|
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|
5033 |
|
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5034 //-----------------------equivalent_expressions-------------------------------- |
|
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5035 bool ADLParser::equivalent_expressions(const char* str1, const char* str2) { |
|
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5036 if (str1 == str2) |
|
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5037 return true; |
|
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|
5038 else if (str1 == NULL || str2 == NULL) |
|
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5039 return false; |
|
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5040 const char* cp1 = str1; |
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5041 const char* cp2 = str2; |
|
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5042 char in_quote = '\0'; |
|
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|
5043 while (cp1[0] && cp2[0]) { |
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5044 if (!in_quote) { |
|
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5045 // skip spaces and/or cpp directives |
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5046 const char* cp1a = skip_expr_ws(cp1); |
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5047 const char* cp2a = skip_expr_ws(cp2); |
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5048 if (cp1a > cp1 && cp2a > cp2) { |
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5049 cp1 = cp1a; cp2 = cp2a; |
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5050 continue; |
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5051 } |
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5052 if (cp1a > cp1 || cp2a > cp2) break; // fail |
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5053 } |
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5054 // match one non-space char |
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5055 if (cp1[0] != cp2[0]) break; // fail |
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5056 char ch = cp1[0]; |
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5057 cp1++; cp2++; |
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5058 // watch for quotes |
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5059 if (in_quote && ch == '\\') { |
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5060 if (cp1[0] != cp2[0]) break; // fail |
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5061 if (!cp1[0]) break; |
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5062 cp1++; cp2++; |
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5063 } |
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5064 if (in_quote && ch == in_quote) { |
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5065 in_quote = '\0'; |
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5066 } else if (!in_quote && (ch == '"' || ch == '\'')) { |
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5067 in_quote = ch; |
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5068 } |
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5069 } |
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5070 return (!cp1[0] && !cp2[0]); |
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5071 } |
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5072 |
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5073 |
| 0 | 5074 //-------------------------------trim------------------------------------------ |
| 5075 void ADLParser::trim(char* &token) { | |
| 5076 while (*token <= ' ') token++; | |
| 5077 char* end = token + strlen(token); | |
| 5078 while (end > token && *(end-1) <= ' ') --end; | |
| 5079 *end = '\0'; | |
| 5080 } |