Mercurial > hg > graal-jvmci-8
annotate src/share/vm/adlc/adlparse.cpp @ 24234:ea6f94ab283b default tip
Added tag jvmci-0.36 for changeset 8128b98d4736
author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
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date | Mon, 18 Sep 2017 18:49:45 +0200 |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 // ADLPARSE.CPP - Architecture Description Language Parser | |
26 // Authors: Chris Vick and Mike Paleczny | |
27 #include "adlc.hpp" | |
28 | |
29 //----------------------------ADLParser---------------------------------------- | |
30 // Create a new ADL parser | |
31 ADLParser::ADLParser(FileBuff& buffer, ArchDesc& archDesc) | |
32 : _buf(buffer), _AD(archDesc), | |
33 _globalNames(archDesc.globalNames()) { | |
34 _AD._syntax_errs = _AD._semantic_errs = 0; // No errors so far this file | |
35 _AD._warnings = 0; // No warnings either | |
36 _curline = _ptr = NULL; // No pointers into buffer yet | |
37 | |
38 _preproc_depth = 0; | |
39 _preproc_not_taken = 0; | |
40 | |
41 // Delimit command-line definitions from in-file definitions: | |
42 _AD._preproc_list.add_signal(); | |
43 } | |
44 | |
45 //------------------------------~ADLParser------------------------------------- | |
46 // Delete an ADL parser. | |
47 ADLParser::~ADLParser() { | |
48 if (!_AD._quiet_mode) | |
49 fprintf(stderr,"---------------------------- Errors and Warnings ----------------------------\n"); | |
50 #ifndef ASSERT | |
51 fprintf(stderr, "**************************************************************\n"); | |
52 fprintf(stderr, "***** WARNING: ASSERT is undefined, assertions disabled. *****\n"); | |
53 fprintf(stderr, "**************************************************************\n"); | |
54 #endif | |
55 if( _AD._syntax_errs + _AD._semantic_errs + _AD._warnings == 0 ) { | |
56 if (!_AD._quiet_mode) | |
57 fprintf(stderr,"No errors or warnings to report from phase-1 parse.\n" ); | |
58 } | |
59 else { | |
60 if( _AD._syntax_errs ) { // Any syntax errors? | |
61 fprintf(stderr,"%s: Found %d syntax error", _buf._fp->_name, _AD._syntax_errs); | |
62 if( _AD._syntax_errs > 1 ) fprintf(stderr,"s.\n\n"); | |
63 else fprintf(stderr,".\n\n"); | |
64 } | |
65 if( _AD._semantic_errs ) { // Any semantic errors? | |
66 fprintf(stderr,"%s: Found %d semantic error", _buf._fp->_name, _AD._semantic_errs); | |
67 if( _AD._semantic_errs > 1 ) fprintf(stderr,"s.\n\n"); | |
68 else fprintf(stderr,".\n\n"); | |
69 } | |
70 if( _AD._warnings ) { // Any warnings? | |
71 fprintf(stderr,"%s: Found %d warning", _buf._fp->_name, _AD._warnings); | |
72 if( _AD._warnings > 1 ) fprintf(stderr,"s.\n\n"); | |
73 else fprintf(stderr,".\n\n"); | |
74 } | |
75 } | |
76 if (!_AD._quiet_mode) | |
77 fprintf(stderr,"-----------------------------------------------------------------------------\n"); | |
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78 _AD._TotalLines += linenum()-1; // -1 for overshoot in "nextline" routine |
0 | 79 |
80 // Write out information we have stored | |
81 // // UNIXism == fsync(stderr); | |
82 } | |
83 | |
84 //------------------------------parse------------------------------------------ | |
85 // Each top-level keyword should appear as the first non-whitespace on a line. | |
86 // | |
87 void ADLParser::parse() { | |
88 char *ident; | |
89 | |
90 // Iterate over the lines in the file buffer parsing Level 1 objects | |
91 for( next_line(); _curline != NULL; next_line()) { | |
92 _ptr = _curline; // Reset ptr to start of new line | |
93 skipws(); // Skip any leading whitespace | |
94 ident = get_ident(); // Get first token | |
95 if (ident == NULL) { // Empty line | |
96 continue; // Get the next line | |
97 } | |
2008 | 98 if (!strcmp(ident, "instruct")) instr_parse(); |
0 | 99 else if (!strcmp(ident, "operand")) oper_parse(); |
100 else if (!strcmp(ident, "opclass")) opclass_parse(); | |
101 else if (!strcmp(ident, "ins_attrib")) ins_attr_parse(); | |
102 else if (!strcmp(ident, "op_attrib")) op_attr_parse(); | |
103 else if (!strcmp(ident, "source")) source_parse(); | |
104 else if (!strcmp(ident, "source_hpp")) source_hpp_parse(); | |
105 else if (!strcmp(ident, "register")) reg_parse(); | |
106 else if (!strcmp(ident, "frame")) frame_parse(); | |
107 else if (!strcmp(ident, "encode")) encode_parse(); | |
108 else if (!strcmp(ident, "pipeline")) pipe_parse(); | |
109 else if (!strcmp(ident, "definitions")) definitions_parse(); | |
110 else if (!strcmp(ident, "peephole")) peep_parse(); | |
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111 else if (!strcmp(ident, "#line")) preproc_line(); |
0 | 112 else if (!strcmp(ident, "#define")) preproc_define(); |
113 else if (!strcmp(ident, "#undef")) preproc_undef(); | |
114 else { | |
115 parse_err(SYNERR, "expected one of - instruct, operand, ins_attrib, op_attrib, source, register, pipeline, encode\n Found %s",ident); | |
116 } | |
117 } | |
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118 // Add reg_class spill_regs after parsing. |
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119 RegisterForm *regBlock = _AD.get_registers(); |
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120 if (regBlock == NULL) { |
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121 parse_err(SEMERR, "Did not declare 'register' definitions"); |
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122 } |
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123 regBlock->addSpillRegClass(); |
0 | 124 |
125 // Done with parsing, check consistency. | |
126 | |
127 if (_preproc_depth != 0) { | |
128 parse_err(SYNERR, "End of file inside #ifdef"); | |
129 } | |
130 | |
131 // AttributeForms ins_cost and op_cost must be defined for default behaviour | |
132 if (_globalNames[AttributeForm::_ins_cost] == NULL) { | |
133 parse_err(SEMERR, "Did not declare 'ins_cost' attribute"); | |
134 } | |
135 if (_globalNames[AttributeForm::_op_cost] == NULL) { | |
136 parse_err(SEMERR, "Did not declare 'op_cost' attribute"); | |
137 } | |
138 } | |
139 | |
140 // ******************** Private Level 1 Parse Functions ******************** | |
141 //------------------------------instr_parse------------------------------------ | |
142 // Parse the contents of an instruction definition, build the InstructForm to | |
143 // represent that instruction, and add it to the InstructForm list. | |
144 void ADLParser::instr_parse(void) { | |
145 char *ident; | |
146 InstructForm *instr; | |
147 MatchRule *rule; | |
148 int match_rules_cnt = 0; | |
149 | |
150 // First get the name of the instruction | |
151 if( (ident = get_unique_ident(_globalNames,"instruction")) == NULL ) | |
152 return; | |
153 instr = new InstructForm(ident); // Create new instruction form | |
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154 instr->_linenum = linenum(); |
0 | 155 _globalNames.Insert(ident, instr); // Add name to the name table |
156 // Debugging Stuff | |
157 if (_AD._adl_debug > 1) | |
158 fprintf(stderr,"Parsing Instruction Form %s\n", ident); | |
159 | |
160 // Then get the operands | |
161 skipws(); | |
162 if (_curchar != '(') { | |
163 parse_err(SYNERR, "missing '(' in instruct definition\n"); | |
164 } | |
165 // Parse the operand list | |
166 else get_oplist(instr->_parameters, instr->_localNames); | |
167 skipws(); // Skip leading whitespace | |
168 // Check for block delimiter | |
169 if ( (_curchar != '%') | |
170 || ( next_char(), (_curchar != '{')) ) { | |
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171 parse_err(SYNERR, "missing '%%{' in instruction definition\n"); |
0 | 172 return; |
173 } | |
174 next_char(); // Maintain the invariant | |
175 do { | |
176 ident = get_ident(); // Grab next identifier | |
177 if (ident == NULL) { | |
178 parse_err(SYNERR, "keyword identifier expected at %c\n", _curchar); | |
179 continue; | |
180 } | |
181 if (!strcmp(ident, "predicate")) instr->_predicate = pred_parse(); | |
182 else if (!strcmp(ident, "match")) { | |
183 // Allow one instruction have several match rules. | |
184 rule = instr->_matrule; | |
185 if (rule == NULL) { | |
186 // This is first match rule encountered | |
187 rule = match_parse(instr->_localNames); | |
188 if (rule) { | |
189 instr->_matrule = rule; | |
190 // Special case the treatment of Control instructions. | |
191 if( instr->is_ideal_control() ) { | |
192 // Control instructions return a special result, 'Universe' | |
193 rule->_result = "Universe"; | |
194 } | |
195 // Check for commutative operations with tree operands. | |
196 matchrule_clone_and_swap(rule, instr->_ident, match_rules_cnt); | |
197 } | |
198 } else { | |
199 // Find the end of the match rule list | |
200 while (rule->_next != NULL) | |
201 rule = rule->_next; | |
202 // Add the new match rule to the list | |
203 rule->_next = match_parse(instr->_localNames); | |
204 if (rule->_next) { | |
205 rule = rule->_next; | |
206 if( instr->is_ideal_control() ) { | |
207 parse_err(SYNERR, "unique match rule expected for %s\n", rule->_name); | |
208 return; | |
209 } | |
210 assert(match_rules_cnt < 100," too many match rule clones"); | |
211 char* buf = (char*) malloc(strlen(instr->_ident) + 4); | |
212 sprintf(buf, "%s_%d", instr->_ident, match_rules_cnt++); | |
213 rule->_result = buf; | |
214 // Check for commutative operations with tree operands. | |
215 matchrule_clone_and_swap(rule, instr->_ident, match_rules_cnt); | |
216 } | |
217 } | |
218 } | |
219 else if (!strcmp(ident, "encode")) { | |
220 parse_err(SYNERR, "Instructions specify ins_encode, not encode\n"); | |
221 } | |
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222 else if (!strcmp(ident, "ins_encode")) ins_encode_parse(*instr); |
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223 // Parse late expand keyword. |
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224 else if (!strcmp(ident, "postalloc_expand")) postalloc_expand_parse(*instr); |
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225 else if (!strcmp(ident, "opcode")) instr->_opcode = opcode_parse(instr); |
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226 else if (!strcmp(ident, "size")) instr->_size = size_parse(instr); |
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227 else if (!strcmp(ident, "effect")) effect_parse(instr); |
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228 else if (!strcmp(ident, "expand")) instr->_exprule = expand_parse(instr); |
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229 else if (!strcmp(ident, "rewrite")) instr->_rewrule = rewrite_parse(); |
0 | 230 else if (!strcmp(ident, "constraint")) { |
231 parse_err(SYNERR, "Instructions do not specify a constraint\n"); | |
232 } | |
233 else if (!strcmp(ident, "construct")) { | |
234 parse_err(SYNERR, "Instructions do not specify a construct\n"); | |
235 } | |
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236 else if (!strcmp(ident, "format")) instr->_format = format_parse(); |
0 | 237 else if (!strcmp(ident, "interface")) { |
238 parse_err(SYNERR, "Instructions do not specify an interface\n"); | |
239 } | |
2008 | 240 else if (!strcmp(ident, "ins_pipe")) ins_pipe_parse(*instr); |
0 | 241 else { // Done with staticly defined parts of instruction definition |
242 // Check identifier to see if it is the name of an attribute | |
243 const Form *form = _globalNames[ident]; | |
244 AttributeForm *attr = form ? form->is_attribute() : NULL; | |
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245 if (attr && (attr->_atype == INS_ATTR)) { |
0 | 246 // Insert the new attribute into the linked list. |
247 Attribute *temp = attr_parse(ident); | |
248 temp->_next = instr->_attribs; | |
249 instr->_attribs = temp; | |
250 } else { | |
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251 parse_err(SYNERR, "expected one of:\n predicate, match, encode, or the name of" |
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252 " an instruction attribute at %s\n", ident); |
0 | 253 } |
254 } | |
255 skipws(); | |
256 } while(_curchar != '%'); | |
257 next_char(); | |
258 if (_curchar != '}') { | |
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259 parse_err(SYNERR, "missing '%%}' in instruction definition\n"); |
0 | 260 return; |
261 } | |
262 // Check for "Set" form of chain rule | |
263 adjust_set_rule(instr); | |
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264 if (_AD._pipeline) { |
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265 // No pipe required for late expand. |
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266 if (instr->expands() || instr->postalloc_expands()) { |
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267 if (instr->_ins_pipe) { |
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268 parse_err(WARN, "ins_pipe and expand rule both specified for instruction \"%s\";" |
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269 " ins_pipe will be unused\n", instr->_ident); |
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270 } |
0 | 271 } else { |
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272 if (!instr->_ins_pipe) { |
0 | 273 parse_err(WARN, "No ins_pipe specified for instruction \"%s\"\n", instr->_ident); |
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274 } |
0 | 275 } |
276 } | |
277 // Add instruction to tail of instruction list | |
278 _AD.addForm(instr); | |
279 | |
280 // Create instruction form for each additional match rule | |
281 rule = instr->_matrule; | |
282 if (rule != NULL) { | |
283 rule = rule->_next; | |
284 while (rule != NULL) { | |
285 ident = (char*)rule->_result; | |
286 InstructForm *clone = new InstructForm(ident, instr, rule); // Create new instruction form | |
287 _globalNames.Insert(ident, clone); // Add name to the name table | |
288 // Debugging Stuff | |
289 if (_AD._adl_debug > 1) | |
290 fprintf(stderr,"Parsing Instruction Form %s\n", ident); | |
291 // Check for "Set" form of chain rule | |
292 adjust_set_rule(clone); | |
293 // Add instruction to tail of instruction list | |
294 _AD.addForm(clone); | |
295 rule = rule->_next; | |
296 clone->_matrule->_next = NULL; // One match rule per clone | |
297 } | |
298 } | |
299 } | |
300 | |
301 //------------------------------matchrule_clone_and_swap----------------------- | |
302 // Check for commutative operations with subtree operands, | |
303 // create clones and swap operands. | |
304 void ADLParser::matchrule_clone_and_swap(MatchRule* rule, const char* instr_ident, int& match_rules_cnt) { | |
305 // Check for commutative operations with tree operands. | |
306 int count = 0; | |
307 rule->count_commutative_op(count); | |
308 if (count > 0) { | |
309 // Clone match rule and swap commutative operation's operands. | |
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310 rule->matchrule_swap_commutative_op(instr_ident, count, match_rules_cnt); |
0 | 311 } |
312 } | |
313 | |
314 //------------------------------adjust_set_rule-------------------------------- | |
315 // Check for "Set" form of chain rule | |
316 void ADLParser::adjust_set_rule(InstructForm *instr) { | |
317 if (instr->_matrule == NULL || instr->_matrule->_rChild == NULL) return; | |
318 const char *rch = instr->_matrule->_rChild->_opType; | |
319 const Form *frm = _globalNames[rch]; | |
320 if( (! strcmp(instr->_matrule->_opType,"Set")) && | |
321 frm && frm->is_operand() && (! frm->ideal_only()) ) { | |
322 // Previous implementation, which missed leaP*, but worked for loadCon* | |
323 unsigned position = 0; | |
324 const char *result = NULL; | |
325 const char *name = NULL; | |
326 const char *optype = NULL; | |
327 MatchNode *right = instr->_matrule->_rChild; | |
328 if (right->base_operand(position, _globalNames, result, name, optype)) { | |
329 position = 1; | |
330 const char *result2 = NULL; | |
331 const char *name2 = NULL; | |
332 const char *optype2 = NULL; | |
333 // Can not have additional base operands in right side of match! | |
334 if ( ! right->base_operand( position, _globalNames, result2, name2, optype2) ) { | |
2008 | 335 if (instr->_predicate != NULL) |
336 parse_err(SYNERR, "ADLC does not support instruction chain rules with predicates"); | |
0 | 337 // Chain from input _ideal_operand_type_, |
338 // Needed for shared roots of match-trees | |
339 ChainList *lst = (ChainList *)_AD._chainRules[optype]; | |
340 if (lst == NULL) { | |
341 lst = new ChainList(); | |
342 _AD._chainRules.Insert(optype, lst); | |
343 } | |
344 if (!lst->search(instr->_matrule->_lChild->_opType)) { | |
345 const char *cost = instr->cost(); | |
346 if (cost == NULL) { | |
347 cost = ((AttributeForm*)_globalNames[AttributeForm::_ins_cost])->_attrdef; | |
348 } | |
349 // The ADLC does not support chaining from the ideal operand type | |
350 // of a predicated user-defined operand | |
351 if( frm->is_operand() == NULL || frm->is_operand()->_predicate == NULL ) { | |
352 lst->insert(instr->_matrule->_lChild->_opType,cost,instr->_ident); | |
353 } | |
354 } | |
355 // Chain from input _user_defined_operand_type_, | |
356 lst = (ChainList *)_AD._chainRules[result]; | |
357 if (lst == NULL) { | |
358 lst = new ChainList(); | |
359 _AD._chainRules.Insert(result, lst); | |
360 } | |
361 if (!lst->search(instr->_matrule->_lChild->_opType)) { | |
362 const char *cost = instr->cost(); | |
363 if (cost == NULL) { | |
364 cost = ((AttributeForm*)_globalNames[AttributeForm::_ins_cost])->_attrdef; | |
365 } | |
366 // It is safe to chain from the top-level user-defined operand even | |
367 // if it has a predicate, since the predicate is checked before | |
368 // the user-defined type is available. | |
369 lst->insert(instr->_matrule->_lChild->_opType,cost,instr->_ident); | |
370 } | |
371 } else { | |
372 // May have instruction chain rule if root of right-tree is an ideal | |
373 OperandForm *rightOp = _globalNames[right->_opType]->is_operand(); | |
374 if( rightOp ) { | |
375 const Form *rightRoot = _globalNames[rightOp->_matrule->_opType]; | |
376 if( rightRoot && rightRoot->ideal_only() ) { | |
377 const char *chain_op = NULL; | |
378 if( rightRoot->is_instruction() ) | |
379 chain_op = rightOp->_ident; | |
380 if( chain_op ) { | |
381 // Look-up the operation in chain rule table | |
382 ChainList *lst = (ChainList *)_AD._chainRules[chain_op]; | |
383 if (lst == NULL) { | |
384 lst = new ChainList(); | |
385 _AD._chainRules.Insert(chain_op, lst); | |
386 } | |
387 // if (!lst->search(instr->_matrule->_lChild->_opType)) { | |
388 const char *cost = instr->cost(); | |
389 if (cost == NULL) { | |
390 cost = ((AttributeForm*)_globalNames[AttributeForm::_ins_cost])->_attrdef; | |
391 } | |
392 // This chains from a top-level operand whose predicate, if any, | |
393 // has been checked. | |
394 lst->insert(instr->_matrule->_lChild->_opType,cost,instr->_ident); | |
395 // } | |
396 } | |
397 } | |
398 } | |
399 } // end chain rule from right-tree's ideal root | |
400 } | |
401 } | |
402 } | |
403 | |
404 | |
405 //------------------------------oper_parse------------------------------------- | |
406 void ADLParser::oper_parse(void) { | |
407 char *ident; | |
408 OperandForm *oper; | |
409 AttributeForm *attr; | |
410 MatchRule *rule; | |
411 | |
412 // First get the name of the operand | |
413 skipws(); | |
414 if( (ident = get_unique_ident(_globalNames,"operand")) == NULL ) | |
415 return; | |
416 oper = new OperandForm(ident); // Create new operand form | |
415
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417 oper->_linenum = linenum(); |
0 | 418 _globalNames.Insert(ident, oper); // Add name to the name table |
419 | |
420 // Debugging Stuff | |
421 if (_AD._adl_debug > 1) fprintf(stderr,"Parsing Operand Form %s\n", ident); | |
422 | |
423 // Get the component operands | |
424 skipws(); | |
425 if (_curchar != '(') { | |
426 parse_err(SYNERR, "missing '(' in operand definition\n"); | |
427 return; | |
428 } | |
429 else get_oplist(oper->_parameters, oper->_localNames); // Parse the component operand list | |
430 skipws(); | |
431 // Check for block delimiter | |
432 if ((_curchar != '%') || (*(_ptr+1) != '{')) { // If not open block | |
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433 parse_err(SYNERR, "missing '%%{' in operand definition\n"); |
0 | 434 return; |
435 } | |
436 next_char(); next_char(); // Skip over "%{" symbol | |
437 do { | |
438 ident = get_ident(); // Grab next identifier | |
439 if (ident == NULL) { | |
440 parse_err(SYNERR, "keyword identifier expected at %c\n", _curchar); | |
441 continue; | |
442 } | |
443 if (!strcmp(ident, "predicate")) oper->_predicate = pred_parse(); | |
444 else if (!strcmp(ident, "match")) { | |
445 // Find the end of the match rule list | |
446 rule = oper->_matrule; | |
447 if (rule) { | |
448 while (rule->_next) rule = rule->_next; | |
449 // Add the new match rule to the list | |
450 rule->_next = match_parse(oper->_localNames); | |
451 if (rule->_next) { | |
452 rule->_next->_result = oper->_ident; | |
453 } | |
454 } | |
455 else { | |
456 // This is first match rule encountered | |
457 oper->_matrule = match_parse(oper->_localNames); | |
458 if (oper->_matrule) { | |
459 oper->_matrule->_result = oper->_ident; | |
460 } | |
461 } | |
462 } | |
463 else if (!strcmp(ident, "encode")) oper->_interface = interface_parse(); | |
464 else if (!strcmp(ident, "ins_encode")) { | |
465 parse_err(SYNERR, "Operands specify 'encode', not 'ins_encode'\n"); | |
466 } | |
467 else if (!strcmp(ident, "opcode")) { | |
468 parse_err(SYNERR, "Operands do not specify an opcode\n"); | |
469 } | |
470 else if (!strcmp(ident, "effect")) { | |
471 parse_err(SYNERR, "Operands do not specify an effect\n"); | |
472 } | |
473 else if (!strcmp(ident, "expand")) { | |
474 parse_err(SYNERR, "Operands do not specify an expand\n"); | |
475 } | |
476 else if (!strcmp(ident, "rewrite")) { | |
477 parse_err(SYNERR, "Operands do not specify a rewrite\n"); | |
478 } | |
479 else if (!strcmp(ident, "constraint"))oper->_constraint= constraint_parse(); | |
480 else if (!strcmp(ident, "construct")) oper->_construct = construct_parse(); | |
481 else if (!strcmp(ident, "format")) oper->_format = format_parse(); | |
482 else if (!strcmp(ident, "interface")) oper->_interface = interface_parse(); | |
483 // Check identifier to see if it is the name of an attribute | |
484 else if (((attr = _globalNames[ident]->is_attribute()) != NULL) && | |
485 (attr->_atype == OP_ATTR)) oper->_attribs = attr_parse(ident); | |
486 else { | |
487 parse_err(SYNERR, "expected one of - constraint, predicate, match, encode, format, construct, or the name of a defined operand attribute at %s\n", ident); | |
488 } | |
489 skipws(); | |
490 } while(_curchar != '%'); | |
491 next_char(); | |
492 if (_curchar != '}') { | |
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493 parse_err(SYNERR, "missing '%%}' in operand definition\n"); |
0 | 494 return; |
495 } | |
496 // Add operand to tail of operand list | |
497 _AD.addForm(oper); | |
498 } | |
499 | |
500 //------------------------------opclass_parse---------------------------------- | |
501 // Operand Classes are a block with a comma delimited list of operand names | |
502 void ADLParser::opclass_parse(void) { | |
503 char *ident; | |
504 OpClassForm *opc; | |
505 OperandForm *opForm; | |
506 | |
507 // First get the name of the operand class | |
508 skipws(); | |
509 if( (ident = get_unique_ident(_globalNames,"opclass")) == NULL ) | |
510 return; | |
511 opc = new OpClassForm(ident); // Create new operand class form | |
512 _globalNames.Insert(ident, opc); // Add name to the name table | |
513 | |
514 // Debugging Stuff | |
515 if (_AD._adl_debug > 1) | |
516 fprintf(stderr,"Parsing Operand Class Form %s\n", ident); | |
517 | |
518 // Get the list of operands | |
519 skipws(); | |
520 if (_curchar != '(') { | |
521 parse_err(SYNERR, "missing '(' in operand definition\n"); | |
522 return; | |
523 } | |
524 do { | |
525 next_char(); // Skip past open paren or comma | |
526 ident = get_ident(); // Grab next identifier | |
527 if (ident == NULL) { | |
528 parse_err(SYNERR, "keyword identifier expected at %c\n", _curchar); | |
529 continue; | |
530 } | |
531 // Check identifier to see if it is the name of an operand | |
532 const Form *form = _globalNames[ident]; | |
533 opForm = form ? form->is_operand() : NULL; | |
534 if ( opForm ) { | |
535 opc->_oplst.addName(ident); // Add operand to opclass list | |
536 opForm->_classes.addName(opc->_ident);// Add opclass to operand list | |
537 } | |
538 else { | |
539 parse_err(SYNERR, "expected name of a defined operand at %s\n", ident); | |
540 } | |
541 skipws(); // skip trailing whitespace | |
542 } while (_curchar == ','); // Check for the comma | |
543 // Check for closing ')' | |
544 if (_curchar != ')') { | |
545 parse_err(SYNERR, "missing ')' or ',' in opclass definition\n"); | |
546 return; | |
547 } | |
548 next_char(); // Consume the ')' | |
549 skipws(); | |
550 // Check for closing ';' | |
551 if (_curchar != ';') { | |
552 parse_err(SYNERR, "missing ';' in opclass definition\n"); | |
553 return; | |
554 } | |
555 next_char(); // Consume the ';' | |
556 // Add operand to tail of operand list | |
557 _AD.addForm(opc); | |
558 } | |
559 | |
560 //------------------------------ins_attr_parse--------------------------------- | |
561 void ADLParser::ins_attr_parse(void) { | |
562 char *ident; | |
563 char *aexpr; | |
564 AttributeForm *attrib; | |
565 | |
566 // get name for the instruction attribute | |
567 skipws(); // Skip leading whitespace | |
568 if( (ident = get_unique_ident(_globalNames,"inst_attrib")) == NULL ) | |
569 return; | |
570 // Debugging Stuff | |
571 if (_AD._adl_debug > 1) fprintf(stderr,"Parsing Ins_Attribute Form %s\n", ident); | |
572 | |
573 // Get default value of the instruction attribute | |
574 skipws(); // Skip whitespace | |
575 if ((aexpr = get_paren_expr("attribute default expression string")) == NULL) { | |
576 parse_err(SYNERR, "missing '(' in ins_attrib definition\n"); | |
577 return; | |
578 } | |
579 // Debug Stuff | |
580 if (_AD._adl_debug > 1) fprintf(stderr,"Attribute Expression: %s\n", aexpr); | |
581 | |
582 // Check for terminator | |
583 if (_curchar != ';') { | |
584 parse_err(SYNERR, "missing ';' in ins_attrib definition\n"); | |
585 return; | |
586 } | |
587 next_char(); // Advance past the ';' | |
588 | |
589 // Construct the attribute, record global name, and store in ArchDesc | |
590 attrib = new AttributeForm(ident, INS_ATTR, aexpr); | |
591 _globalNames.Insert(ident, attrib); // Add name to the name table | |
592 _AD.addForm(attrib); | |
593 } | |
594 | |
595 //------------------------------op_attr_parse---------------------------------- | |
596 void ADLParser::op_attr_parse(void) { | |
597 char *ident; | |
598 char *aexpr; | |
599 AttributeForm *attrib; | |
600 | |
601 // get name for the operand attribute | |
602 skipws(); // Skip leading whitespace | |
603 if( (ident = get_unique_ident(_globalNames,"op_attrib")) == NULL ) | |
604 return; | |
605 // Debugging Stuff | |
606 if (_AD._adl_debug > 1) fprintf(stderr,"Parsing Op_Attribute Form %s\n", ident); | |
607 | |
608 // Get default value of the instruction attribute | |
609 skipws(); // Skip whitespace | |
610 if ((aexpr = get_paren_expr("attribute default expression string")) == NULL) { | |
611 parse_err(SYNERR, "missing '(' in op_attrib definition\n"); | |
612 return; | |
613 } | |
614 // Debug Stuff | |
615 if (_AD._adl_debug > 1) fprintf(stderr,"Attribute Expression: %s\n", aexpr); | |
616 | |
617 // Check for terminator | |
618 if (_curchar != ';') { | |
619 parse_err(SYNERR, "missing ';' in op_attrib definition\n"); | |
620 return; | |
621 } | |
622 next_char(); // Advance past the ';' | |
623 | |
624 // Construct the attribute, record global name, and store in ArchDesc | |
625 attrib = new AttributeForm(ident, OP_ATTR, aexpr); | |
626 _globalNames.Insert(ident, attrib); | |
627 _AD.addForm(attrib); | |
628 } | |
629 | |
630 //------------------------------definitions_parse----------------------------------- | |
631 void ADLParser::definitions_parse(void) { | |
632 skipws(); // Skip leading whitespace | |
633 if (_curchar == '%' && *(_ptr+1) == '{') { | |
634 next_char(); next_char(); // Skip "%{" | |
635 skipws(); | |
636 while (_curchar != '%' && *(_ptr+1) != '}') { | |
637 // Process each definition until finding closing string "%}" | |
638 char *token = get_ident(); | |
639 if (token == NULL) { | |
640 parse_err(SYNERR, "missing identifier inside definitions block.\n"); | |
641 return; | |
642 } | |
643 if (strcmp(token,"int_def")==0) { int_def_parse(); } | |
644 // if (strcmp(token,"str_def")==0) { str_def_parse(); } | |
645 skipws(); | |
646 } | |
647 } | |
648 else { | |
649 parse_err(SYNERR, "Missing %%{ ... %%} block after definitions keyword.\n"); | |
650 return; | |
651 } | |
652 } | |
653 | |
654 //------------------------------int_def_parse---------------------------------- | |
655 // Parse Example: | |
656 // int_def MEMORY_REF_COST ( 200, DEFAULT_COST * 2); | |
657 // <keyword> <name> ( <int_value>, <description> ); | |
658 // | |
659 void ADLParser::int_def_parse(void) { | |
660 char *name = NULL; // Name of definition | |
661 char *value = NULL; // its value, | |
662 int int_value = -1; // positive values only | |
663 char *description = NULL; // textual description | |
664 | |
665 // Get definition name | |
666 skipws(); // Skip whitespace | |
667 name = get_ident(); | |
668 if (name == NULL) { | |
669 parse_err(SYNERR, "missing definition name after int_def\n"); | |
670 return; | |
671 } | |
672 | |
673 // Check for value of int_def dname( integer_value [, string_expression ] ) | |
674 skipws(); | |
675 if (_curchar == '(') { | |
676 | |
677 // Parse the integer value. | |
678 next_char(); | |
679 value = get_ident(); | |
680 if (value == NULL) { | |
681 parse_err(SYNERR, "missing value in int_def\n"); | |
682 return; | |
683 } | |
684 if( !is_int_token(value, int_value) ) { | |
685 parse_err(SYNERR, "value in int_def is not recognized as integer\n"); | |
686 return; | |
687 } | |
688 skipws(); | |
689 | |
690 // Check for description | |
691 if (_curchar == ',') { | |
692 next_char(); // skip ',' | |
693 | |
694 description = get_expr("int_def description", ")"); | |
695 if (description == NULL) { | |
696 parse_err(SYNERR, "invalid or missing description in int_def\n"); | |
697 return; | |
698 } | |
699 trim(description); | |
700 } | |
701 | |
702 if (_curchar != ')') { | |
703 parse_err(SYNERR, "missing ')' in register definition statement\n"); | |
704 return; | |
705 } | |
706 next_char(); | |
707 } | |
708 | |
709 // Check for closing ';' | |
710 skipws(); | |
711 if (_curchar != ';') { | |
712 parse_err(SYNERR, "missing ';' after int_def\n"); | |
713 return; | |
714 } | |
715 next_char(); // move past ';' | |
716 | |
717 // Debug Stuff | |
718 if (_AD._adl_debug > 1) { | |
719 fprintf(stderr,"int_def: %s ( %s, %s )\n", name, | |
720 (value), (description ? description : "")); | |
721 } | |
722 | |
723 // Record new definition. | |
724 Expr *expr = new Expr(name, description, int_value, int_value); | |
725 const Expr *old_expr = _AD.globalDefs().define(name, expr); | |
726 if (old_expr != NULL) { | |
727 parse_err(SYNERR, "Duplicate definition\n"); | |
728 return; | |
729 } | |
730 | |
731 return; | |
732 } | |
733 | |
734 | |
735 //------------------------------source_parse----------------------------------- | |
736 void ADLParser::source_parse(void) { | |
737 SourceForm *source; // Encode class for instruction/operand | |
738 char *rule = NULL; // String representation of encode rule | |
739 | |
740 skipws(); // Skip leading whitespace | |
741 if ( (rule = find_cpp_block("source block")) == NULL ) { | |
742 parse_err(SYNERR, "incorrect or missing block for 'source'.\n"); | |
743 return; | |
744 } | |
745 // Debug Stuff | |
746 if (_AD._adl_debug > 1) fprintf(stderr,"Source Form: %s\n", rule); | |
747 | |
748 source = new SourceForm(rule); // Build new Source object | |
749 _AD.addForm(source); | |
750 // skipws(); | |
751 } | |
752 | |
753 //------------------------------source_hpp_parse------------------------------- | |
754 // Parse a source_hpp %{ ... %} block. | |
755 // The code gets stuck into the ad_<arch>.hpp file. | |
756 // If the source_hpp block appears before the register block in the AD | |
757 // file, it goes up at the very top of the ad_<arch>.hpp file, so that | |
758 // it can be used by register encodings, etc. Otherwise, it goes towards | |
759 // the bottom, where it's useful as a global definition to *.cpp files. | |
760 void ADLParser::source_hpp_parse(void) { | |
761 char *rule = NULL; // String representation of encode rule | |
762 | |
763 skipws(); // Skip leading whitespace | |
764 if ( (rule = find_cpp_block("source_hpp block")) == NULL ) { | |
765 parse_err(SYNERR, "incorrect or missing block for 'source_hpp'.\n"); | |
766 return; | |
767 } | |
768 // Debug Stuff | |
769 if (_AD._adl_debug > 1) fprintf(stderr,"Header Form: %s\n", rule); | |
770 | |
771 if (_AD.get_registers() == NULL) { | |
772 // Very early in the file, before reg_defs, we collect pre-headers. | |
773 PreHeaderForm* pre_header = new PreHeaderForm(rule); | |
774 _AD.addForm(pre_header); | |
775 } else { | |
776 // Normally, we collect header info, placed at the bottom of the hpp file. | |
777 HeaderForm* header = new HeaderForm(rule); | |
778 _AD.addForm(header); | |
779 } | |
780 } | |
781 | |
782 //------------------------------reg_parse-------------------------------------- | |
783 void ADLParser::reg_parse(void) { | |
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784 RegisterForm *regBlock = _AD.get_registers(); // Information about registers encoding |
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785 if (regBlock == NULL) { |
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786 // Create the RegisterForm for the architecture description. |
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787 regBlock = new RegisterForm(); // Build new Source object |
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788 _AD.addForm(regBlock); |
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789 } |
0 | 790 |
791 skipws(); // Skip leading whitespace | |
792 if (_curchar == '%' && *(_ptr+1) == '{') { | |
793 next_char(); next_char(); // Skip "%{" | |
794 skipws(); | |
795 while (_curchar != '%' && *(_ptr+1) != '}') { | |
796 char *token = get_ident(); | |
797 if (token == NULL) { | |
798 parse_err(SYNERR, "missing identifier inside register block.\n"); | |
799 return; | |
800 } | |
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801 if (strcmp(token,"reg_def")==0) { reg_def_parse(); } |
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802 else if (strcmp(token,"reg_class")==0) { reg_class_parse(); } |
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803 else if (strcmp(token, "reg_class_dynamic") == 0) { reg_class_dynamic_parse(); } |
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804 else if (strcmp(token,"alloc_class")==0) { alloc_class_parse(); } |
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805 else if (strcmp(token,"#define")==0) { preproc_define(); } |
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806 else { parse_err(SYNERR, "bad token %s inside register block.\n", token); break; } |
0 | 807 skipws(); |
808 } | |
809 } | |
810 else { | |
811 parse_err(SYNERR, "Missing %c{ ... %c} block after register keyword.\n",'%','%'); | |
812 return; | |
813 } | |
814 } | |
815 | |
816 //------------------------------encode_parse----------------------------------- | |
817 void ADLParser::encode_parse(void) { | |
818 EncodeForm *encBlock; // Information about instruction/operand encoding | |
819 | |
820 _AD.getForm(&encBlock); | |
821 if ( encBlock == NULL) { | |
822 // Create the EncodeForm for the architecture description. | |
823 encBlock = new EncodeForm(); // Build new Source object | |
824 _AD.addForm(encBlock); | |
825 } | |
826 | |
827 skipws(); // Skip leading whitespace | |
828 if (_curchar == '%' && *(_ptr+1) == '{') { | |
829 next_char(); next_char(); // Skip "%{" | |
830 skipws(); | |
831 while (_curchar != '%' && *(_ptr+1) != '}') { | |
832 char *token = get_ident(); | |
833 if (token == NULL) { | |
834 parse_err(SYNERR, "missing identifier inside encoding block.\n"); | |
835 return; | |
836 } | |
837 if (strcmp(token,"enc_class")==0) { enc_class_parse(); } | |
838 skipws(); | |
839 } | |
840 } | |
841 else { | |
842 parse_err(SYNERR, "Missing %c{ ... %c} block after encode keyword.\n",'%','%'); | |
843 return; | |
844 } | |
845 } | |
846 | |
847 //------------------------------enc_class_parse-------------------------------- | |
848 void ADLParser::enc_class_parse(void) { | |
849 char *ec_name; // Name of encoding class being defined | |
850 | |
851 // Get encoding class name | |
852 skipws(); // Skip whitespace | |
853 ec_name = get_ident(); | |
854 if (ec_name == NULL) { | |
855 parse_err(SYNERR, "missing encoding class name after encode.\n"); | |
856 return; | |
857 } | |
858 | |
859 EncClass *encoding = _AD._encode->add_EncClass(ec_name); | |
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860 encoding->_linenum = linenum(); |
0 | 861 |
862 skipws(); // Skip leading whitespace | |
863 // Check for optional parameter list | |
864 if (_curchar == '(') { | |
865 do { | |
866 char *pType = NULL; // parameter type | |
867 char *pName = NULL; // parameter name | |
868 | |
869 next_char(); // skip open paren & comma characters | |
870 skipws(); | |
871 if (_curchar == ')') break; | |
872 | |
873 // Get parameter type | |
874 pType = get_ident(); | |
875 if (pType == NULL) { | |
876 parse_err(SYNERR, "parameter type expected at %c\n", _curchar); | |
877 return; | |
878 } | |
879 | |
880 skipws(); | |
881 // Get parameter name | |
882 pName = get_ident(); | |
883 if (pName == NULL) { | |
884 parse_err(SYNERR, "parameter name expected at %c\n", _curchar); | |
885 return; | |
886 } | |
887 | |
888 // Record parameter type and name | |
889 encoding->add_parameter( pType, pName ); | |
890 | |
891 skipws(); | |
892 } while(_curchar == ','); | |
893 | |
894 if (_curchar != ')') parse_err(SYNERR, "missing ')'\n"); | |
895 else { | |
896 next_char(); // Skip ')' | |
897 } | |
898 } // Done with parameter list | |
899 | |
900 skipws(); | |
901 // Check for block starting delimiters | |
902 if ((_curchar != '%') || (*(_ptr+1) != '{')) { // If not open block | |
903 parse_err(SYNERR, "missing '%c{' in enc_class definition\n", '%'); | |
904 return; | |
905 } | |
906 next_char(); // Skip '%' | |
907 next_char(); // Skip '{' | |
908 | |
909 enc_class_parse_block(encoding, ec_name); | |
910 } | |
911 | |
912 | |
913 void ADLParser::enc_class_parse_block(EncClass* encoding, char* ec_name) { | |
914 skipws_no_preproc(); // Skip leading whitespace | |
915 // Prepend location descriptor, for debugging; cf. ADLParser::find_cpp_block | |
916 if (_AD._adlocation_debug) { | |
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917 encoding->add_code(get_line_string()); |
0 | 918 } |
919 | |
920 // Collect the parts of the encode description | |
921 // (1) strings that are passed through to output | |
922 // (2) replacement/substitution variable, preceeded by a '$' | |
923 while ( (_curchar != '%') && (*(_ptr+1) != '}') ) { | |
924 | |
925 // (1) | |
926 // Check if there is a string to pass through to output | |
927 char *start = _ptr; // Record start of the next string | |
928 while ((_curchar != '$') && ((_curchar != '%') || (*(_ptr+1) != '}')) ) { | |
929 // If at the start of a comment, skip past it | |
930 if( (_curchar == '/') && ((*(_ptr+1) == '/') || (*(_ptr+1) == '*')) ) { | |
931 skipws_no_preproc(); | |
932 } else { | |
933 // ELSE advance to the next character, or start of the next line | |
934 next_char_or_line(); | |
935 } | |
936 } | |
937 // If a string was found, terminate it and record in EncClass | |
938 if ( start != _ptr ) { | |
939 *_ptr = '\0'; // Terminate the string | |
940 encoding->add_code(start); | |
941 } | |
942 | |
943 // (2) | |
944 // If we are at a replacement variable, | |
945 // copy it and record in EncClass | |
2008 | 946 if (_curchar == '$') { |
0 | 947 // Found replacement Variable |
2008 | 948 char* rep_var = get_rep_var_ident_dup(); |
0 | 949 // Add flag to _strings list indicating we should check _rep_vars |
950 encoding->add_rep_var(rep_var); | |
951 } | |
952 } // end while part of format description | |
953 next_char(); // Skip '%' | |
954 next_char(); // Skip '}' | |
955 | |
956 skipws(); | |
957 | |
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958 if (_AD._adlocation_debug) { |
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959 encoding->add_code(end_line_marker()); |
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960 } |
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961 |
0 | 962 // Debug Stuff |
963 if (_AD._adl_debug > 1) fprintf(stderr,"EncodingClass Form: %s\n", ec_name); | |
964 } | |
965 | |
966 //------------------------------frame_parse----------------------------------- | |
967 void ADLParser::frame_parse(void) { | |
968 FrameForm *frame; // Information about stack-frame layout | |
969 char *desc = NULL; // String representation of frame | |
970 | |
971 skipws(); // Skip leading whitespace | |
972 | |
973 frame = new FrameForm(); // Build new Frame object | |
974 // Check for open block sequence | |
975 skipws(); // Skip leading whitespace | |
976 if (_curchar == '%' && *(_ptr+1) == '{') { | |
977 next_char(); next_char(); // Skip "%{" | |
978 skipws(); | |
979 while (_curchar != '%' && *(_ptr+1) != '}') { | |
980 char *token = get_ident(); | |
981 if (token == NULL) { | |
982 parse_err(SYNERR, "missing identifier inside frame block.\n"); | |
983 return; | |
984 } | |
985 if (strcmp(token,"stack_direction")==0) { | |
986 stack_dir_parse(frame); | |
987 } | |
988 if (strcmp(token,"sync_stack_slots")==0) { | |
989 sync_stack_slots_parse(frame); | |
990 } | |
991 if (strcmp(token,"frame_pointer")==0) { | |
992 frame_pointer_parse(frame, false); | |
993 } | |
994 if (strcmp(token,"interpreter_frame_pointer")==0) { | |
995 interpreter_frame_pointer_parse(frame, false); | |
996 } | |
997 if (strcmp(token,"inline_cache_reg")==0) { | |
998 inline_cache_parse(frame, false); | |
999 } | |
1000 if (strcmp(token,"compiler_method_oop_reg")==0) { | |
1001 parse_err(WARN, "Using obsolete Token, compiler_method_oop_reg"); | |
1002 skipws(); | |
1003 } | |
1004 if (strcmp(token,"interpreter_method_oop_reg")==0) { | |
1005 interpreter_method_oop_parse(frame, false); | |
1006 } | |
1007 if (strcmp(token,"cisc_spilling_operand_name")==0) { | |
1008 cisc_spilling_operand_name_parse(frame, false); | |
1009 } | |
1010 if (strcmp(token,"stack_alignment")==0) { | |
1011 stack_alignment_parse(frame); | |
1012 } | |
1013 if (strcmp(token,"return_addr")==0) { | |
1014 return_addr_parse(frame, false); | |
1015 } | |
1016 if (strcmp(token,"in_preserve_stack_slots")==0) { | |
1017 preserve_stack_parse(frame); | |
1018 } | |
1019 if (strcmp(token,"out_preserve_stack_slots")==0) { | |
1020 parse_err(WARN, "Using obsolete token, out_preserve_stack_slots"); | |
1021 skipws(); | |
1022 } | |
1023 if (strcmp(token,"varargs_C_out_slots_killed")==0) { | |
1024 frame->_varargs_C_out_slots_killed = parse_one_arg("varargs C out slots killed"); | |
1025 } | |
1026 if (strcmp(token,"calling_convention")==0) { | |
1027 frame->_calling_convention = calling_convention_parse(); | |
1028 } | |
1029 if (strcmp(token,"return_value")==0) { | |
1030 frame->_return_value = return_value_parse(); | |
1031 } | |
1032 if (strcmp(token,"c_frame_pointer")==0) { | |
1033 frame_pointer_parse(frame, true); | |
1034 } | |
1035 if (strcmp(token,"c_return_addr")==0) { | |
1036 return_addr_parse(frame, true); | |
1037 } | |
1038 if (strcmp(token,"c_calling_convention")==0) { | |
1039 frame->_c_calling_convention = calling_convention_parse(); | |
1040 } | |
1041 if (strcmp(token,"c_return_value")==0) { | |
1042 frame->_c_return_value = return_value_parse(); | |
1043 } | |
1044 | |
1045 skipws(); | |
1046 } | |
1047 } | |
1048 else { | |
1049 parse_err(SYNERR, "Missing %c{ ... %c} block after encode keyword.\n",'%','%'); | |
1050 return; | |
1051 } | |
1052 // All Java versions are required, native versions are optional | |
1053 if(frame->_frame_pointer == NULL) { | |
1054 parse_err(SYNERR, "missing frame pointer definition in frame section.\n"); | |
1055 return; | |
1056 } | |
1057 // !!!!! !!!!! | |
1058 // if(frame->_interpreter_frame_ptr_reg == NULL) { | |
1059 // parse_err(SYNERR, "missing interpreter frame pointer definition in frame section.\n"); | |
1060 // return; | |
1061 // } | |
1062 if(frame->_alignment == NULL) { | |
1063 parse_err(SYNERR, "missing alignment definition in frame section.\n"); | |
1064 return; | |
1065 } | |
1066 if(frame->_return_addr == NULL) { | |
1067 parse_err(SYNERR, "missing return address location in frame section.\n"); | |
1068 return; | |
1069 } | |
1070 if(frame->_in_preserve_slots == NULL) { | |
1071 parse_err(SYNERR, "missing stack slot preservation definition in frame section.\n"); | |
1072 return; | |
1073 } | |
1074 if(frame->_varargs_C_out_slots_killed == NULL) { | |
1075 parse_err(SYNERR, "missing varargs C out slots killed definition in frame section.\n"); | |
1076 return; | |
1077 } | |
1078 if(frame->_calling_convention == NULL) { | |
1079 parse_err(SYNERR, "missing calling convention definition in frame section.\n"); | |
1080 return; | |
1081 } | |
1082 if(frame->_return_value == NULL) { | |
1083 parse_err(SYNERR, "missing return value definition in frame section.\n"); | |
1084 return; | |
1085 } | |
1086 // Fill natives in identically with the Java versions if not present. | |
1087 if(frame->_c_frame_pointer == NULL) { | |
1088 frame->_c_frame_pointer = frame->_frame_pointer; | |
1089 } | |
1090 if(frame->_c_return_addr == NULL) { | |
1091 frame->_c_return_addr = frame->_return_addr; | |
1092 frame->_c_return_addr_loc = frame->_return_addr_loc; | |
1093 } | |
1094 if(frame->_c_calling_convention == NULL) { | |
1095 frame->_c_calling_convention = frame->_calling_convention; | |
1096 } | |
1097 if(frame->_c_return_value == NULL) { | |
1098 frame->_c_return_value = frame->_return_value; | |
1099 } | |
1100 | |
1101 // Debug Stuff | |
1102 if (_AD._adl_debug > 1) fprintf(stderr,"Frame Form: %s\n", desc); | |
1103 | |
1104 // Create the EncodeForm for the architecture description. | |
1105 _AD.addForm(frame); | |
1106 // skipws(); | |
1107 } | |
1108 | |
1109 //------------------------------stack_dir_parse-------------------------------- | |
1110 void ADLParser::stack_dir_parse(FrameForm *frame) { | |
1111 char *direction = parse_one_arg("stack direction entry"); | |
1112 if (strcmp(direction, "TOWARDS_LOW") == 0) { | |
1113 frame->_direction = false; | |
1114 } | |
1115 else if (strcmp(direction, "TOWARDS_HIGH") == 0) { | |
1116 frame->_direction = true; | |
1117 } | |
1118 else { | |
1119 parse_err(SYNERR, "invalid value inside stack direction entry.\n"); | |
1120 return; | |
1121 } | |
1122 } | |
1123 | |
1124 //------------------------------sync_stack_slots_parse------------------------- | |
1125 void ADLParser::sync_stack_slots_parse(FrameForm *frame) { | |
1126 // Assign value into frame form | |
1127 frame->_sync_stack_slots = parse_one_arg("sync stack slots entry"); | |
1128 } | |
1129 | |
1130 //------------------------------frame_pointer_parse---------------------------- | |
1131 void ADLParser::frame_pointer_parse(FrameForm *frame, bool native) { | |
1132 char *frame_pointer = parse_one_arg("frame pointer entry"); | |
1133 // Assign value into frame form | |
1134 if (native) { frame->_c_frame_pointer = frame_pointer; } | |
1135 else { frame->_frame_pointer = frame_pointer; } | |
1136 } | |
1137 | |
1138 //------------------------------interpreter_frame_pointer_parse---------------------------- | |
1139 void ADLParser::interpreter_frame_pointer_parse(FrameForm *frame, bool native) { | |
1140 frame->_interpreter_frame_pointer_reg = parse_one_arg("interpreter frame pointer entry"); | |
1141 } | |
1142 | |
1143 //------------------------------inline_cache_parse----------------------------- | |
1144 void ADLParser::inline_cache_parse(FrameForm *frame, bool native) { | |
1145 frame->_inline_cache_reg = parse_one_arg("inline cache reg entry"); | |
1146 } | |
1147 | |
1148 //------------------------------interpreter_method_oop_parse------------------ | |
1149 void ADLParser::interpreter_method_oop_parse(FrameForm *frame, bool native) { | |
1150 frame->_interpreter_method_oop_reg = parse_one_arg("method oop reg entry"); | |
1151 } | |
1152 | |
1153 //------------------------------cisc_spilling_operand_parse--------------------- | |
1154 void ADLParser::cisc_spilling_operand_name_parse(FrameForm *frame, bool native) { | |
1155 frame->_cisc_spilling_operand_name = parse_one_arg("cisc spilling operand name"); | |
1156 } | |
1157 | |
1158 //------------------------------stack_alignment_parse-------------------------- | |
1159 void ADLParser::stack_alignment_parse(FrameForm *frame) { | |
1160 char *alignment = parse_one_arg("stack alignment entry"); | |
1161 // Assign value into frame | |
1162 frame->_alignment = alignment; | |
1163 } | |
1164 | |
1165 //------------------------------parse_one_arg------------------------------- | |
1166 char *ADLParser::parse_one_arg(const char *description) { | |
1167 char *token = NULL; | |
1168 if(_curchar == '(') { | |
1169 next_char(); | |
1170 skipws(); | |
1171 token = get_expr(description, ")"); | |
1172 if (token == NULL) { | |
1173 parse_err(SYNERR, "missing value inside %s.\n", description); | |
1174 return NULL; | |
1175 } | |
1176 next_char(); // skip the close paren | |
1177 if(_curchar != ';') { // check for semi-colon | |
1178 parse_err(SYNERR, "missing %c in.\n", ';', description); | |
1179 return NULL; | |
1180 } | |
1181 next_char(); // skip the semi-colon | |
1182 } | |
1183 else { | |
1184 parse_err(SYNERR, "Missing %c in.\n", '(', description); | |
1185 return NULL; | |
1186 } | |
1187 | |
1188 trim(token); | |
1189 return token; | |
1190 } | |
1191 | |
1192 //------------------------------return_addr_parse------------------------------ | |
1193 void ADLParser::return_addr_parse(FrameForm *frame, bool native) { | |
1194 bool in_register = true; | |
1195 if(_curchar == '(') { | |
1196 next_char(); | |
1197 skipws(); | |
1198 char *token = get_ident(); | |
1199 if (token == NULL) { | |
1200 parse_err(SYNERR, "missing value inside return address entry.\n"); | |
1201 return; | |
1202 } | |
1203 // check for valid values for stack/register | |
1204 if (strcmp(token, "REG") == 0) { | |
1205 in_register = true; | |
1206 } | |
1207 else if (strcmp(token, "STACK") == 0) { | |
1208 in_register = false; | |
1209 } | |
1210 else { | |
1211 parse_err(SYNERR, "invalid value inside return_address entry.\n"); | |
1212 return; | |
1213 } | |
1214 if (native) { frame->_c_return_addr_loc = in_register; } | |
1215 else { frame->_return_addr_loc = in_register; } | |
1216 | |
1217 // Parse expression that specifies register or stack position | |
1218 skipws(); | |
1219 char *token2 = get_expr("return address entry", ")"); | |
1220 if (token2 == NULL) { | |
1221 parse_err(SYNERR, "missing value inside return address entry.\n"); | |
1222 return; | |
1223 } | |
1224 next_char(); // skip the close paren | |
1225 if (native) { frame->_c_return_addr = token2; } | |
1226 else { frame->_return_addr = token2; } | |
1227 | |
1228 if(_curchar != ';') { // check for semi-colon | |
1229 parse_err(SYNERR, "missing %c in return address entry.\n", ';'); | |
1230 return; | |
1231 } | |
1232 next_char(); // skip the semi-colon | |
1233 } | |
1234 else { | |
1235 parse_err(SYNERR, "Missing %c in return_address entry.\n", '('); | |
1236 } | |
1237 } | |
1238 | |
1239 //------------------------------preserve_stack_parse--------------------------- | |
1240 void ADLParser::preserve_stack_parse(FrameForm *frame) { | |
1241 if(_curchar == '(') { | |
1242 char *token = get_paren_expr("preserve_stack_slots"); | |
1243 frame->_in_preserve_slots = token; | |
1244 | |
1245 if(_curchar != ';') { // check for semi-colon | |
1246 parse_err(SYNERR, "missing %c in preserve stack slot entry.\n", ';'); | |
1247 return; | |
1248 } | |
1249 next_char(); // skip the semi-colon | |
1250 } | |
1251 else { | |
1252 parse_err(SYNERR, "Missing %c in preserve stack slot entry.\n", '('); | |
1253 } | |
1254 } | |
1255 | |
1256 //------------------------------calling_convention_parse----------------------- | |
1257 char *ADLParser::calling_convention_parse() { | |
1258 char *desc = NULL; // String representation of calling_convention | |
1259 | |
1260 skipws(); // Skip leading whitespace | |
1261 if ( (desc = find_cpp_block("calling convention block")) == NULL ) { | |
1262 parse_err(SYNERR, "incorrect or missing block for 'calling_convention'.\n"); | |
1263 } | |
1264 return desc; | |
1265 } | |
1266 | |
1267 //------------------------------return_value_parse----------------------------- | |
1268 char *ADLParser::return_value_parse() { | |
1269 char *desc = NULL; // String representation of calling_convention | |
1270 | |
1271 skipws(); // Skip leading whitespace | |
1272 if ( (desc = find_cpp_block("return value block")) == NULL ) { | |
1273 parse_err(SYNERR, "incorrect or missing block for 'return_value'.\n"); | |
1274 } | |
1275 return desc; | |
1276 } | |
1277 | |
1278 //------------------------------ins_pipe_parse--------------------------------- | |
1279 void ADLParser::ins_pipe_parse(InstructForm &instr) { | |
1280 char * ident; | |
1281 | |
1282 skipws(); | |
1283 if ( _curchar != '(' ) { // Check for delimiter | |
1284 parse_err(SYNERR, "missing \"(\" in ins_pipe definition\n"); | |
1285 return; | |
1286 } | |
1287 | |
1288 next_char(); | |
1289 ident = get_ident(); // Grab next identifier | |
1290 | |
1291 if (ident == NULL) { | |
1292 parse_err(SYNERR, "keyword identifier expected at %c\n", _curchar); | |
1293 return; | |
1294 } | |
1295 | |
1296 skipws(); | |
1297 if ( _curchar != ')' ) { // Check for delimiter | |
1298 parse_err(SYNERR, "missing \")\" in ins_pipe definition\n"); | |
1299 return; | |
1300 } | |
1301 | |
1302 next_char(); // skip the close paren | |
1303 if(_curchar != ';') { // check for semi-colon | |
1304 parse_err(SYNERR, "missing %c in return value entry.\n", ';'); | |
1305 return; | |
1306 } | |
1307 next_char(); // skip the semi-colon | |
1308 | |
1309 // Check ident for validity | |
1310 if (_AD._pipeline && !_AD._pipeline->_classlist.search(ident)) { | |
1311 parse_err(SYNERR, "\"%s\" is not a valid pipeline class\n", ident); | |
1312 return; | |
1313 } | |
1314 | |
1315 // Add this instruction to the list in the pipeline class | |
1316 _AD._pipeline->_classdict[ident]->is_pipeclass()->_instructs.addName(instr._ident); | |
1317 | |
1318 // Set the name of the pipeline class in the instruction | |
1319 instr._ins_pipe = ident; | |
1320 return; | |
1321 } | |
1322 | |
1323 //------------------------------pipe_parse------------------------------------- | |
1324 void ADLParser::pipe_parse(void) { | |
1325 PipelineForm *pipeline; // Encode class for instruction/operand | |
1326 char * ident; | |
1327 | |
1328 pipeline = new PipelineForm(); // Build new Source object | |
1329 _AD.addForm(pipeline); | |
1330 | |
1331 skipws(); // Skip leading whitespace | |
1332 // Check for block delimiter | |
1333 if ( (_curchar != '%') | |
1334 || ( next_char(), (_curchar != '{')) ) { | |
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1335 parse_err(SYNERR, "missing '%%{' in pipeline definition\n"); |
0 | 1336 return; |
1337 } | |
1338 next_char(); // Maintain the invariant | |
1339 do { | |
1340 ident = get_ident(); // Grab next identifier | |
1341 if (ident == NULL) { | |
1342 parse_err(SYNERR, "keyword identifier expected at %c\n", _curchar); | |
1343 continue; | |
1344 } | |
1345 if (!strcmp(ident, "resources" )) resource_parse(*pipeline); | |
1346 else if (!strcmp(ident, "pipe_desc" )) pipe_desc_parse(*pipeline); | |
1347 else if (!strcmp(ident, "pipe_class")) pipe_class_parse(*pipeline); | |
1348 else if (!strcmp(ident, "define")) { | |
1349 skipws(); | |
1350 if ( (_curchar != '%') | |
1351 || ( next_char(), (_curchar != '{')) ) { | |
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1352 parse_err(SYNERR, "expected '%%{'\n"); |
0 | 1353 return; |
1354 } | |
1355 next_char(); skipws(); | |
1356 | |
1357 char *node_class = get_ident(); | |
1358 if (node_class == NULL) { | |
1359 parse_err(SYNERR, "expected identifier, found \"%c\"\n", _curchar); | |
1360 return; | |
1361 } | |
1362 | |
1363 skipws(); | |
1364 if (_curchar != ',' && _curchar != '=') { | |
1365 parse_err(SYNERR, "expected `=`, found '%c'\n", _curchar); | |
1366 break; | |
1367 } | |
1368 next_char(); skipws(); | |
1369 | |
1370 char *pipe_class = get_ident(); | |
1371 if (pipe_class == NULL) { | |
1372 parse_err(SYNERR, "expected identifier, found \"%c\"\n", _curchar); | |
1373 return; | |
1374 } | |
1375 if (_curchar != ';' ) { | |
1376 parse_err(SYNERR, "expected `;`, found '%c'\n", _curchar); | |
1377 break; | |
1378 } | |
1379 next_char(); // Skip over semi-colon | |
1380 | |
1381 skipws(); | |
1382 if ( (_curchar != '%') | |
1383 || ( next_char(), (_curchar != '}')) ) { | |
1384 parse_err(SYNERR, "expected '%%}', found \"%c\"\n", _curchar); | |
1385 } | |
1386 next_char(); | |
1387 | |
1388 // Check ident for validity | |
1389 if (_AD._pipeline && !_AD._pipeline->_classlist.search(pipe_class)) { | |
1390 parse_err(SYNERR, "\"%s\" is not a valid pipeline class\n", pipe_class); | |
1391 return; | |
1392 } | |
1393 | |
1394 // Add this machine node to the list in the pipeline class | |
1395 _AD._pipeline->_classdict[pipe_class]->is_pipeclass()->_instructs.addName(node_class); | |
1396 | |
1397 MachNodeForm *machnode = new MachNodeForm(node_class); // Create new machnode form | |
1398 machnode->_machnode_pipe = pipe_class; | |
1399 | |
1400 _AD.addForm(machnode); | |
1401 } | |
1402 else if (!strcmp(ident, "attributes")) { | |
6850 | 1403 bool vsi_seen = false; |
0 | 1404 |
1405 skipws(); | |
1406 if ( (_curchar != '%') | |
1407 || ( next_char(), (_curchar != '{')) ) { | |
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|
1408 parse_err(SYNERR, "expected '%%{'\n"); |
0 | 1409 return; |
1410 } | |
1411 next_char(); skipws(); | |
1412 | |
1413 while (_curchar != '%') { | |
1414 ident = get_ident(); | |
1415 if (ident == NULL) | |
1416 break; | |
1417 | |
1418 if (!strcmp(ident, "variable_size_instructions")) { | |
1419 skipws(); | |
1420 if (_curchar == ';') { | |
1421 next_char(); skipws(); | |
1422 } | |
1423 | |
1424 pipeline->_variableSizeInstrs = true; | |
1425 vsi_seen = true; | |
1426 continue; | |
1427 } | |
1428 | |
1429 if (!strcmp(ident, "fixed_size_instructions")) { | |
1430 skipws(); | |
1431 if (_curchar == ';') { | |
1432 next_char(); skipws(); | |
1433 } | |
1434 | |
1435 pipeline->_variableSizeInstrs = false; | |
1436 vsi_seen = true; | |
1437 continue; | |
1438 } | |
1439 | |
1440 if (!strcmp(ident, "branch_has_delay_slot")) { | |
1441 skipws(); | |
1442 if (_curchar == ';') { | |
1443 next_char(); skipws(); | |
1444 } | |
1445 | |
1446 pipeline->_branchHasDelaySlot = true; | |
1447 continue; | |
1448 } | |
1449 | |
1450 if (!strcmp(ident, "max_instructions_per_bundle")) { | |
1451 skipws(); | |
1452 if (_curchar != '=') { | |
1453 parse_err(SYNERR, "expected `=`\n"); | |
1454 break; | |
1455 } | |
1456 | |
1457 next_char(); skipws(); | |
1458 pipeline->_maxInstrsPerBundle = get_int(); | |
1459 skipws(); | |
1460 | |
1461 if (_curchar == ';') { | |
1462 next_char(); skipws(); | |
1463 } | |
1464 | |
1465 continue; | |
1466 } | |
1467 | |
1468 if (!strcmp(ident, "max_bundles_per_cycle")) { | |
1469 skipws(); | |
1470 if (_curchar != '=') { | |
1471 parse_err(SYNERR, "expected `=`\n"); | |
1472 break; | |
1473 } | |
1474 | |
1475 next_char(); skipws(); | |
1476 pipeline->_maxBundlesPerCycle = get_int(); | |
1477 skipws(); | |
1478 | |
1479 if (_curchar == ';') { | |
1480 next_char(); skipws(); | |
1481 } | |
1482 | |
1483 continue; | |
1484 } | |
1485 | |
1486 if (!strcmp(ident, "instruction_unit_size")) { | |
1487 skipws(); | |
1488 if (_curchar != '=') { | |
1489 parse_err(SYNERR, "expected `=`, found '%c'\n", _curchar); | |
1490 break; | |
1491 } | |
1492 | |
1493 next_char(); skipws(); | |
1494 pipeline->_instrUnitSize = get_int(); | |
1495 skipws(); | |
1496 | |
1497 if (_curchar == ';') { | |
1498 next_char(); skipws(); | |
1499 } | |
1500 | |
1501 continue; | |
1502 } | |
1503 | |
1504 if (!strcmp(ident, "bundle_unit_size")) { | |
1505 skipws(); | |
1506 if (_curchar != '=') { | |
1507 parse_err(SYNERR, "expected `=`, found '%c'\n", _curchar); | |
1508 break; | |
1509 } | |
1510 | |
1511 next_char(); skipws(); | |
1512 pipeline->_bundleUnitSize = get_int(); | |
1513 skipws(); | |
1514 | |
1515 if (_curchar == ';') { | |
1516 next_char(); skipws(); | |
1517 } | |
1518 | |
1519 continue; | |
1520 } | |
1521 | |
1522 if (!strcmp(ident, "instruction_fetch_unit_size")) { | |
1523 skipws(); | |
1524 if (_curchar != '=') { | |
1525 parse_err(SYNERR, "expected `=`, found '%c'\n", _curchar); | |
1526 break; | |
1527 } | |
1528 | |
1529 next_char(); skipws(); | |
1530 pipeline->_instrFetchUnitSize = get_int(); | |
1531 skipws(); | |
1532 | |
1533 if (_curchar == ';') { | |
1534 next_char(); skipws(); | |
1535 } | |
1536 | |
1537 continue; | |
1538 } | |
1539 | |
1540 if (!strcmp(ident, "instruction_fetch_units")) { | |
1541 skipws(); | |
1542 if (_curchar != '=') { | |
1543 parse_err(SYNERR, "expected `=`, found '%c'\n", _curchar); | |
1544 break; | |
1545 } | |
1546 | |
1547 next_char(); skipws(); | |
1548 pipeline->_instrFetchUnits = get_int(); | |
1549 skipws(); | |
1550 | |
1551 if (_curchar == ';') { | |
1552 next_char(); skipws(); | |
1553 } | |
1554 | |
1555 continue; | |
1556 } | |
1557 | |
1558 if (!strcmp(ident, "nops")) { | |
1559 skipws(); | |
1560 if (_curchar != '(') { | |
1561 parse_err(SYNERR, "expected `(`, found '%c'\n", _curchar); | |
1562 break; | |
1563 } | |
1564 | |
1565 next_char(); skipws(); | |
1566 | |
1567 while (_curchar != ')') { | |
1568 ident = get_ident(); | |
1569 if (ident == NULL) { | |
1570 parse_err(SYNERR, "expected identifier for nop instruction, found '%c'\n", _curchar); | |
1571 break; | |
1572 } | |
1573 | |
1574 pipeline->_noplist.addName(ident); | |
1575 pipeline->_nopcnt++; | |
1576 skipws(); | |
1577 | |
1578 if (_curchar == ',') { | |
1579 next_char(); skipws(); | |
1580 } | |
1581 } | |
1582 | |
1583 next_char(); skipws(); | |
1584 | |
1585 if (_curchar == ';') { | |
1586 next_char(); skipws(); | |
1587 } | |
1588 | |
1589 continue; | |
1590 } | |
1591 | |
1592 parse_err(SYNERR, "unknown specifier \"%s\"\n", ident); | |
1593 } | |
1594 | |
1595 if ( (_curchar != '%') | |
1596 || ( next_char(), (_curchar != '}')) ) { | |
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
1597 parse_err(SYNERR, "expected '%%}', found \"%c\"\n", _curchar); |
0 | 1598 } |
1599 next_char(); skipws(); | |
1600 | |
1601 if (pipeline->_maxInstrsPerBundle == 0) | |
1602 parse_err(SYNERR, "\"max_instructions_per_bundle\" unspecified\n"); | |
1603 if (pipeline->_instrUnitSize == 0 && pipeline->_bundleUnitSize == 0) | |
1604 parse_err(SYNERR, "\"instruction_unit_size\" and \"bundle_unit_size\" unspecified\n"); | |
1605 if (pipeline->_instrFetchUnitSize == 0) | |
1606 parse_err(SYNERR, "\"instruction_fetch_unit_size\" unspecified\n"); | |
1607 if (pipeline->_instrFetchUnits == 0) | |
1608 parse_err(SYNERR, "\"instruction_fetch_units\" unspecified\n"); | |
1609 if (!vsi_seen) | |
1610 parse_err(SYNERR, "\"variable_size_instruction\" or \"fixed_size_instruction\" unspecified\n"); | |
1611 } | |
1612 else { // Done with staticly defined parts of instruction definition | |
1613 parse_err(SYNERR, "expected one of \"resources\", \"pipe_desc\", \"pipe_class\", found \"%s\"\n", ident); | |
1614 return; | |
1615 } | |
1616 skipws(); | |
1617 if (_curchar == ';') | |
1618 skipws(); | |
1619 } while(_curchar != '%'); | |
1620 | |
1621 next_char(); | |
1622 if (_curchar != '}') { | |
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
1623 parse_err(SYNERR, "missing \"%%}\" in pipeline definition\n"); |
0 | 1624 return; |
1625 } | |
1626 | |
1627 next_char(); | |
1628 } | |
1629 | |
1630 //------------------------------resource_parse---------------------------- | |
1631 void ADLParser::resource_parse(PipelineForm &pipeline) { | |
1632 ResourceForm *resource; | |
1633 char * ident; | |
1634 char * expr; | |
1635 unsigned mask; | |
1636 pipeline._rescount = 0; | |
1637 | |
1638 skipws(); // Skip leading whitespace | |
1639 | |
1640 if (_curchar != '(') { | |
1641 parse_err(SYNERR, "missing \"(\" in resource definition\n"); | |
1642 return; | |
1643 } | |
1644 | |
1645 do { | |
1646 next_char(); // Skip "(" or "," | |
1647 ident = get_ident(); // Grab next identifier | |
1648 | |
6850 | 1649 if (_AD._adl_debug > 1) { |
1650 if (ident != NULL) { | |
1651 fprintf(stderr, "resource_parse: identifier: %s\n", ident); | |
1652 } | |
1653 } | |
1654 | |
0 | 1655 if (ident == NULL) { |
1656 parse_err(SYNERR, "keyword identifier expected at \"%c\"\n", _curchar); | |
1657 return; | |
1658 } | |
1659 skipws(); | |
1660 | |
1661 if (_curchar != '=') { | |
1662 mask = (1 << pipeline._rescount++); | |
1663 } | |
1664 else { | |
1665 next_char(); skipws(); | |
1666 expr = get_ident(); // Grab next identifier | |
1667 if (expr == NULL) { | |
1668 parse_err(SYNERR, "keyword identifier expected at \"%c\"\n", _curchar); | |
1669 return; | |
1670 } | |
1671 resource = (ResourceForm *) pipeline._resdict[expr]; | |
1672 if (resource == NULL) { | |
1673 parse_err(SYNERR, "resource \"%s\" is not defined\n", expr); | |
1674 return; | |
1675 } | |
1676 mask = resource->mask(); | |
1677 | |
1678 skipws(); | |
1679 while (_curchar == '|') { | |
1680 next_char(); skipws(); | |
1681 | |
1682 expr = get_ident(); // Grab next identifier | |
1683 if (expr == NULL) { | |
1684 parse_err(SYNERR, "keyword identifier expected at \"%c\"\n", _curchar); | |
1685 return; | |
1686 } | |
1687 | |
1688 resource = (ResourceForm *) pipeline._resdict[expr]; // Look up the value | |
1689 if (resource == NULL) { | |
1690 parse_err(SYNERR, "resource \"%s\" is not defined\n", expr); | |
1691 return; | |
1692 } | |
1693 | |
1694 mask |= resource->mask(); | |
1695 skipws(); | |
1696 } | |
1697 } | |
1698 | |
1699 resource = new ResourceForm(mask); | |
1700 | |
1701 pipeline._resdict.Insert(ident, resource); | |
1702 pipeline._reslist.addName(ident); | |
1703 } while (_curchar == ','); | |
1704 | |
1705 if (_curchar != ')') { | |
1706 parse_err(SYNERR, "\")\" expected at \"%c\"\n", _curchar); | |
1707 return; | |
1708 } | |
1709 | |
1710 next_char(); // Skip ")" | |
1711 if (_curchar == ';') | |
1712 next_char(); // Skip ";" | |
1713 } | |
1714 | |
1715 //------------------------------resource_parse---------------------------- | |
1716 void ADLParser::pipe_desc_parse(PipelineForm &pipeline) { | |
1717 char * ident; | |
1718 | |
1719 skipws(); // Skip leading whitespace | |
1720 | |
1721 if (_curchar != '(') { | |
1722 parse_err(SYNERR, "missing \"(\" in pipe_desc definition\n"); | |
1723 return; | |
1724 } | |
1725 | |
1726 do { | |
1727 next_char(); // Skip "(" or "," | |
1728 ident = get_ident(); // Grab next identifier | |
1729 if (ident == NULL) { | |
1730 parse_err(SYNERR, "keyword identifier expected at \"%c\"\n", _curchar); | |
1731 return; | |
1732 } | |
1733 | |
1734 // Add the name to the list | |
1735 pipeline._stages.addName(ident); | |
1736 pipeline._stagecnt++; | |
1737 | |
1738 skipws(); | |
1739 } while (_curchar == ','); | |
1740 | |
1741 if (_curchar != ')') { | |
1742 parse_err(SYNERR, "\")\" expected at \"%c\"\n", _curchar); | |
1743 return; | |
1744 } | |
1745 | |
1746 next_char(); // Skip ")" | |
1747 if (_curchar == ';') | |
1748 next_char(); // Skip ";" | |
1749 } | |
1750 | |
1751 //------------------------------pipe_class_parse-------------------------- | |
1752 void ADLParser::pipe_class_parse(PipelineForm &pipeline) { | |
1753 PipeClassForm *pipe_class; | |
1754 char * ident; | |
1755 char * stage; | |
1756 char * read_or_write; | |
1757 int is_write; | |
1758 int is_read; | |
1759 OperandForm *oper; | |
1760 | |
1761 skipws(); // Skip leading whitespace | |
1762 | |
1763 ident = get_ident(); // Grab next identifier | |
1764 | |
1765 if (ident == NULL) { | |
1766 parse_err(SYNERR, "keyword identifier expected at \"%c\"\n", _curchar); | |
1767 return; | |
1768 } | |
1769 | |
1770 // Create a record for the pipe_class | |
1771 pipe_class = new PipeClassForm(ident, ++pipeline._classcnt); | |
1772 pipeline._classdict.Insert(ident, pipe_class); | |
1773 pipeline._classlist.addName(ident); | |
1774 | |
1775 // Then get the operands | |
1776 skipws(); | |
1777 if (_curchar != '(') { | |
1778 parse_err(SYNERR, "missing \"(\" in pipe_class definition\n"); | |
1779 } | |
1780 // Parse the operand list | |
1781 else get_oplist(pipe_class->_parameters, pipe_class->_localNames); | |
1782 skipws(); // Skip leading whitespace | |
1783 // Check for block delimiter | |
1784 if ( (_curchar != '%') | |
1785 || ( next_char(), (_curchar != '{')) ) { | |
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
1786 parse_err(SYNERR, "missing \"%%{\" in pipe_class definition\n"); |
0 | 1787 return; |
1788 } | |
1789 next_char(); | |
1790 | |
1791 do { | |
1792 ident = get_ident(); // Grab next identifier | |
1793 if (ident == NULL) { | |
1794 parse_err(SYNERR, "keyword identifier expected at \"%c\"\n", _curchar); | |
1795 continue; | |
1796 } | |
1797 skipws(); | |
1798 | |
1799 if (!strcmp(ident, "fixed_latency")) { | |
1800 skipws(); | |
1801 if (_curchar != '(') { | |
1802 parse_err(SYNERR, "missing \"(\" in latency definition\n"); | |
1803 return; | |
1804 } | |
1805 next_char(); skipws(); | |
1806 if( !isdigit(_curchar) ) { | |
1807 parse_err(SYNERR, "number expected for \"%c\" in latency definition\n", _curchar); | |
1808 return; | |
1809 } | |
1810 int fixed_latency = get_int(); | |
1811 skipws(); | |
1812 if (_curchar != ')') { | |
1813 parse_err(SYNERR, "missing \")\" in latency definition\n"); | |
1814 return; | |
1815 } | |
1816 next_char(); skipws(); | |
1817 if (_curchar != ';') { | |
1818 parse_err(SYNERR, "missing \";\" in latency definition\n"); | |
1819 return; | |
1820 } | |
1821 | |
1822 pipe_class->setFixedLatency(fixed_latency); | |
1823 next_char(); skipws(); | |
1824 continue; | |
1825 } | |
1826 | |
1827 if (!strcmp(ident, "zero_instructions") || | |
1828 !strcmp(ident, "no_instructions")) { | |
1829 skipws(); | |
1830 if (_curchar != ';') { | |
1831 parse_err(SYNERR, "missing \";\" in latency definition\n"); | |
1832 return; | |
1833 } | |
1834 | |
1835 pipe_class->setInstructionCount(0); | |
1836 next_char(); skipws(); | |
1837 continue; | |
1838 } | |
1839 | |
1840 if (!strcmp(ident, "one_instruction_with_delay_slot") || | |
1841 !strcmp(ident, "single_instruction_with_delay_slot")) { | |
1842 skipws(); | |
1843 if (_curchar != ';') { | |
1844 parse_err(SYNERR, "missing \";\" in latency definition\n"); | |
1845 return; | |
1846 } | |
1847 | |
1848 pipe_class->setInstructionCount(1); | |
1849 pipe_class->setBranchDelay(true); | |
1850 next_char(); skipws(); | |
1851 continue; | |
1852 } | |
1853 | |
1854 if (!strcmp(ident, "one_instruction") || | |
1855 !strcmp(ident, "single_instruction")) { | |
1856 skipws(); | |
1857 if (_curchar != ';') { | |
1858 parse_err(SYNERR, "missing \";\" in latency definition\n"); | |
1859 return; | |
1860 } | |
1861 | |
1862 pipe_class->setInstructionCount(1); | |
1863 next_char(); skipws(); | |
1864 continue; | |
1865 } | |
1866 | |
1867 if (!strcmp(ident, "instructions_in_first_bundle") || | |
1868 !strcmp(ident, "instruction_count")) { | |
1869 skipws(); | |
1870 | |
1871 int number_of_instructions = 1; | |
1872 | |
1873 if (_curchar != '(') { | |
1874 parse_err(SYNERR, "\"(\" expected at \"%c\"\n", _curchar); | |
1875 continue; | |
1876 } | |
1877 | |
1878 next_char(); skipws(); | |
1879 number_of_instructions = get_int(); | |
1880 | |
1881 skipws(); | |
1882 if (_curchar != ')') { | |
1883 parse_err(SYNERR, "\")\" expected at \"%c\"\n", _curchar); | |
1884 continue; | |
1885 } | |
1886 | |
1887 next_char(); skipws(); | |
1888 if (_curchar != ';') { | |
1889 parse_err(SYNERR, "missing \";\" in latency definition\n"); | |
1890 return; | |
1891 } | |
1892 | |
1893 pipe_class->setInstructionCount(number_of_instructions); | |
1894 next_char(); skipws(); | |
1895 continue; | |
1896 } | |
1897 | |
1898 if (!strcmp(ident, "multiple_bundles")) { | |
1899 skipws(); | |
1900 if (_curchar != ';') { | |
1901 parse_err(SYNERR, "missing \";\" after multiple bundles\n"); | |
1902 return; | |
1903 } | |
1904 | |
1905 pipe_class->setMultipleBundles(true); | |
1906 next_char(); skipws(); | |
1907 continue; | |
1908 } | |
1909 | |
1910 if (!strcmp(ident, "has_delay_slot")) { | |
1911 skipws(); | |
1912 if (_curchar != ';') { | |
1913 parse_err(SYNERR, "missing \";\" after \"has_delay_slot\"\n"); | |
1914 return; | |
1915 } | |
1916 | |
1917 pipe_class->setBranchDelay(true); | |
1918 next_char(); skipws(); | |
1919 continue; | |
1920 } | |
1921 | |
1922 if (!strcmp(ident, "force_serialization")) { | |
1923 skipws(); | |
1924 if (_curchar != ';') { | |
1925 parse_err(SYNERR, "missing \";\" after \"force_serialization\"\n"); | |
1926 return; | |
1927 } | |
1928 | |
1929 pipe_class->setForceSerialization(true); | |
1930 next_char(); skipws(); | |
1931 continue; | |
1932 } | |
1933 | |
1934 if (!strcmp(ident, "may_have_no_code")) { | |
1935 skipws(); | |
1936 if (_curchar != ';') { | |
1937 parse_err(SYNERR, "missing \";\" after \"may_have_no_code\"\n"); | |
1938 return; | |
1939 } | |
1940 | |
1941 pipe_class->setMayHaveNoCode(true); | |
1942 next_char(); skipws(); | |
1943 continue; | |
1944 } | |
1945 | |
1946 const Form *parm = pipe_class->_localNames[ident]; | |
1947 if (parm != NULL) { | |
1948 oper = parm->is_operand(); | |
1949 if (oper == NULL && !parm->is_opclass()) { | |
1950 parse_err(SYNERR, "operand name expected at %s\n", ident); | |
1951 continue; | |
1952 } | |
1953 | |
1954 if (_curchar != ':') { | |
1955 parse_err(SYNERR, "\":\" expected at \"%c\"\n", _curchar); | |
1956 continue; | |
1957 } | |
1958 next_char(); skipws(); | |
1959 stage = get_ident(); | |
1960 if (stage == NULL) { | |
1961 parse_err(SYNERR, "pipeline stage identifier expected at \"%c\"\n", _curchar); | |
1962 continue; | |
1963 } | |
1964 | |
1965 skipws(); | |
1966 if (_curchar != '(') { | |
1967 parse_err(SYNERR, "\"(\" expected at \"%c\"\n", _curchar); | |
1968 continue; | |
1969 } | |
1970 | |
1971 next_char(); | |
1972 read_or_write = get_ident(); | |
1973 if (read_or_write == NULL) { | |
1974 parse_err(SYNERR, "\"read\" or \"write\" expected at \"%c\"\n", _curchar); | |
1975 continue; | |
1976 } | |
1977 | |
1978 is_read = strcmp(read_or_write, "read") == 0; | |
1979 is_write = strcmp(read_or_write, "write") == 0; | |
1980 if (!is_read && !is_write) { | |
1981 parse_err(SYNERR, "\"read\" or \"write\" expected at \"%c\"\n", _curchar); | |
1982 continue; | |
1983 } | |
1984 | |
1985 skipws(); | |
1986 if (_curchar != ')') { | |
1987 parse_err(SYNERR, "\")\" expected at \"%c\"\n", _curchar); | |
1988 continue; | |
1989 } | |
1990 | |
1991 next_char(); skipws(); | |
1992 int more_instrs = 0; | |
1993 if (_curchar == '+') { | |
1994 next_char(); skipws(); | |
1995 if (_curchar < '0' || _curchar > '9') { | |
1996 parse_err(SYNERR, "<number> expected at \"%c\"\n", _curchar); | |
1997 continue; | |
1998 } | |
1999 while (_curchar >= '0' && _curchar <= '9') { | |
2000 more_instrs *= 10; | |
2001 more_instrs += _curchar - '0'; | |
2002 next_char(); | |
2003 } | |
2004 skipws(); | |
2005 } | |
2006 | |
2007 PipeClassOperandForm *pipe_operand = new PipeClassOperandForm(stage, is_write, more_instrs); | |
2008 pipe_class->_localUsage.Insert(ident, pipe_operand); | |
2009 | |
2010 if (_curchar == '%') | |
2011 continue; | |
2012 | |
2013 if (_curchar != ';') { | |
2014 parse_err(SYNERR, "\";\" expected at \"%c\"\n", _curchar); | |
2015 continue; | |
2016 } | |
2017 next_char(); skipws(); | |
2018 continue; | |
2019 } | |
2020 | |
2021 // Scan for Resource Specifier | |
2022 const Form *res = pipeline._resdict[ident]; | |
2023 if (res != NULL) { | |
2024 int cyclecnt = 1; | |
2025 if (_curchar != ':') { | |
2026 parse_err(SYNERR, "\":\" expected at \"%c\"\n", _curchar); | |
2027 continue; | |
2028 } | |
2029 next_char(); skipws(); | |
2030 stage = get_ident(); | |
2031 if (stage == NULL) { | |
2032 parse_err(SYNERR, "pipeline stage identifier expected at \"%c\"\n", _curchar); | |
2033 continue; | |
2034 } | |
2035 | |
2036 skipws(); | |
2037 if (_curchar == '(') { | |
2038 next_char(); | |
2039 cyclecnt = get_int(); | |
2040 | |
2041 skipws(); | |
2042 if (_curchar != ')') { | |
2043 parse_err(SYNERR, "\")\" expected at \"%c\"\n", _curchar); | |
2044 continue; | |
2045 } | |
2046 | |
2047 next_char(); skipws(); | |
2048 } | |
2049 | |
2050 PipeClassResourceForm *resource = new PipeClassResourceForm(ident, stage, cyclecnt); | |
2051 int stagenum = pipeline._stages.index(stage); | |
2052 if (pipeline._maxcycleused < (stagenum+cyclecnt)) | |
2053 pipeline._maxcycleused = (stagenum+cyclecnt); | |
2054 pipe_class->_resUsage.addForm(resource); | |
2055 | |
2056 if (_curchar == '%') | |
2057 continue; | |
2058 | |
2059 if (_curchar != ';') { | |
2060 parse_err(SYNERR, "\";\" expected at \"%c\"\n", _curchar); | |
2061 continue; | |
2062 } | |
2063 next_char(); skipws(); | |
2064 continue; | |
2065 } | |
2066 | |
2067 parse_err(SYNERR, "resource expected at \"%s\"\n", ident); | |
2068 return; | |
2069 } while(_curchar != '%'); | |
2070 | |
2071 next_char(); | |
2072 if (_curchar != '}') { | |
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
2073 parse_err(SYNERR, "missing \"%%}\" in pipe_class definition\n"); |
0 | 2074 return; |
2075 } | |
2076 | |
2077 next_char(); | |
2078 } | |
2079 | |
2080 //------------------------------peep_parse------------------------------------- | |
2081 void ADLParser::peep_parse(void) { | |
2082 Peephole *peep; // Pointer to current peephole rule form | |
2083 char *desc = NULL; // String representation of rule | |
2084 | |
2085 skipws(); // Skip leading whitespace | |
2086 | |
2087 peep = new Peephole(); // Build new Peephole object | |
2088 // Check for open block sequence | |
2089 skipws(); // Skip leading whitespace | |
2090 if (_curchar == '%' && *(_ptr+1) == '{') { | |
2091 next_char(); next_char(); // Skip "%{" | |
2092 skipws(); | |
2093 while (_curchar != '%' && *(_ptr+1) != '}') { | |
2094 char *token = get_ident(); | |
2095 if (token == NULL) { | |
2096 parse_err(SYNERR, "missing identifier inside peephole rule.\n"); | |
2097 return; | |
2098 } | |
2099 // check for legal subsections of peephole rule | |
2100 if (strcmp(token,"peepmatch")==0) { | |
2101 peep_match_parse(*peep); } | |
2102 else if (strcmp(token,"peepconstraint")==0) { | |
2103 peep_constraint_parse(*peep); } | |
2104 else if (strcmp(token,"peepreplace")==0) { | |
2105 peep_replace_parse(*peep); } | |
2106 else { | |
2107 parse_err(SYNERR, "expected peepmatch, peepconstraint, or peepreplace for identifier %s.\n", token); | |
2108 } | |
2109 skipws(); | |
2110 } | |
2111 } | |
2112 else { | |
2113 parse_err(SYNERR, "Missing %%{ ... %%} block after peephole keyword.\n"); | |
2114 return; | |
2115 } | |
2116 next_char(); // Skip past '%' | |
2117 next_char(); // Skip past '}' | |
2118 } | |
2119 | |
2120 // ******************** Private Level 2 Parse Functions ******************** | |
2121 //------------------------------constraint_parse------------------------------ | |
2122 Constraint *ADLParser::constraint_parse(void) { | |
2123 char *func; | |
2124 char *arg; | |
2125 | |
2126 // Check for constraint expression | |
2127 skipws(); | |
2128 if (_curchar != '(') { | |
2129 parse_err(SYNERR, "missing constraint expression, (...)\n"); | |
2130 return NULL; | |
2131 } | |
2132 next_char(); // Skip past '(' | |
2133 | |
2134 // Get constraint function | |
2135 skipws(); | |
2136 func = get_ident(); | |
2137 if (func == NULL) { | |
2138 parse_err(SYNERR, "missing function in constraint expression.\n"); | |
2139 return NULL; | |
2140 } | |
2141 if (strcmp(func,"ALLOC_IN_RC")==0 | |
2142 || strcmp(func,"IS_R_CLASS")==0) { | |
2143 // Check for '(' before argument | |
2144 skipws(); | |
2145 if (_curchar != '(') { | |
2146 parse_err(SYNERR, "missing '(' for constraint function's argument.\n"); | |
2147 return NULL; | |
2148 } | |
2149 next_char(); | |
2150 | |
2151 // Get it's argument | |
2152 skipws(); | |
2153 arg = get_ident(); | |
2154 if (arg == NULL) { | |
2155 parse_err(SYNERR, "missing argument for constraint function %s\n",func); | |
2156 return NULL; | |
2157 } | |
2158 // Check for ')' after argument | |
2159 skipws(); | |
2160 if (_curchar != ')') { | |
2161 parse_err(SYNERR, "missing ')' after constraint function argument %s\n",arg); | |
2162 return NULL; | |
2163 } | |
2164 next_char(); | |
2165 } else { | |
2166 parse_err(SYNERR, "Invalid constraint function %s\n",func); | |
2167 return NULL; | |
2168 } | |
2169 | |
2170 // Check for closing paren and ';' | |
2171 skipws(); | |
2172 if (_curchar != ')') { | |
2173 parse_err(SYNERR, "Missing ')' for constraint function %s\n",func); | |
2174 return NULL; | |
2175 } | |
2176 next_char(); | |
2177 skipws(); | |
2178 if (_curchar != ';') { | |
2179 parse_err(SYNERR, "Missing ';' after constraint.\n"); | |
2180 return NULL; | |
2181 } | |
2182 next_char(); | |
2183 | |
2184 // Create new "Constraint" | |
2185 Constraint *constraint = new Constraint(func,arg); | |
2186 return constraint; | |
2187 } | |
2188 | |
2189 //------------------------------constr_parse----------------------------------- | |
2190 ConstructRule *ADLParser::construct_parse(void) { | |
2191 return NULL; | |
2192 } | |
2193 | |
2194 | |
2195 //------------------------------reg_def_parse---------------------------------- | |
2196 void ADLParser::reg_def_parse(void) { | |
2197 char *rname; // Name of register being defined | |
2198 | |
2199 // Get register name | |
2200 skipws(); // Skip whitespace | |
2201 rname = get_ident(); | |
2202 if (rname == NULL) { | |
2203 parse_err(SYNERR, "missing register name after reg_def\n"); | |
2204 return; | |
2205 } | |
2206 | |
2207 // Check for definition of register calling convention (save on call, ...), | |
2208 // register save type, and register encoding value. | |
2209 skipws(); | |
2210 char *callconv = NULL; | |
2211 char *c_conv = NULL; | |
2212 char *idealtype = NULL; | |
2213 char *encoding = NULL; | |
2214 char *concrete = NULL; | |
2215 if (_curchar == '(') { | |
2216 next_char(); | |
2217 callconv = get_ident(); | |
2218 // Parse the internal calling convention, must be NS, SOC, SOE, or AS. | |
2219 if (callconv == NULL) { | |
2220 parse_err(SYNERR, "missing register calling convention value\n"); | |
2221 return; | |
2222 } | |
2223 if(strcmp(callconv, "SOC") && strcmp(callconv,"SOE") && | |
2224 strcmp(callconv, "NS") && strcmp(callconv, "AS")) { | |
2225 parse_err(SYNERR, "invalid value for register calling convention\n"); | |
2226 } | |
2227 skipws(); | |
2228 if (_curchar != ',') { | |
2229 parse_err(SYNERR, "missing comma in register definition statement\n"); | |
2230 return; | |
2231 } | |
2232 next_char(); | |
2233 | |
2234 // Parse the native calling convention, must be NS, SOC, SOE, AS | |
2235 c_conv = get_ident(); | |
2236 if (c_conv == NULL) { | |
2237 parse_err(SYNERR, "missing register native calling convention value\n"); | |
2238 return; | |
2239 } | |
2240 if(strcmp(c_conv, "SOC") && strcmp(c_conv,"SOE") && | |
2241 strcmp(c_conv, "NS") && strcmp(c_conv, "AS")) { | |
2242 parse_err(SYNERR, "invalid value for register calling convention\n"); | |
2243 } | |
2244 skipws(); | |
2245 if (_curchar != ',') { | |
2246 parse_err(SYNERR, "missing comma in register definition statement\n"); | |
2247 return; | |
2248 } | |
2249 next_char(); | |
2250 skipws(); | |
2251 | |
2252 // Parse the ideal save type | |
2253 idealtype = get_ident(); | |
2254 if (idealtype == NULL) { | |
2255 parse_err(SYNERR, "missing register save type value\n"); | |
2256 return; | |
2257 } | |
2258 skipws(); | |
2259 if (_curchar != ',') { | |
2260 parse_err(SYNERR, "missing comma in register definition statement\n"); | |
2261 return; | |
2262 } | |
2263 next_char(); | |
2264 skipws(); | |
2265 | |
2266 // Parse the encoding value | |
2267 encoding = get_expr("encoding", ","); | |
2268 if (encoding == NULL) { | |
2269 parse_err(SYNERR, "missing register encoding value\n"); | |
2270 return; | |
2271 } | |
2272 trim(encoding); | |
2273 if (_curchar != ',') { | |
2274 parse_err(SYNERR, "missing comma in register definition statement\n"); | |
2275 return; | |
2276 } | |
2277 next_char(); | |
2278 skipws(); | |
2279 // Parse the concrete name type | |
2280 // concrete = get_ident(); | |
2281 concrete = get_expr("concrete", ")"); | |
2282 if (concrete == NULL) { | |
2283 parse_err(SYNERR, "missing vm register name value\n"); | |
2284 return; | |
2285 } | |
2286 | |
2287 if (_curchar != ')') { | |
2288 parse_err(SYNERR, "missing ')' in register definition statement\n"); | |
2289 return; | |
2290 } | |
2291 next_char(); | |
2292 } | |
2293 | |
2294 // Check for closing ';' | |
2295 skipws(); | |
2296 if (_curchar != ';') { | |
2297 parse_err(SYNERR, "missing ';' after reg_def\n"); | |
2298 return; | |
2299 } | |
2300 next_char(); // move past ';' | |
2301 | |
2302 // Debug Stuff | |
2303 if (_AD._adl_debug > 1) { | |
2304 fprintf(stderr,"Register Definition: %s ( %s, %s %s )\n", rname, | |
2305 (callconv ? callconv : ""), (c_conv ? c_conv : ""), concrete); | |
2306 } | |
2307 | |
2308 // Record new register definition. | |
2309 _AD._register->addRegDef(rname, callconv, c_conv, idealtype, encoding, concrete); | |
2310 return; | |
2311 } | |
2312 | |
2313 //------------------------------reg_class_parse-------------------------------- | |
2314 void ADLParser::reg_class_parse(void) { | |
2315 char *cname; // Name of register class being defined | |
2316 | |
2317 // Get register class name | |
2318 skipws(); // Skip leading whitespace | |
2319 cname = get_ident(); | |
2320 if (cname == NULL) { | |
2321 parse_err(SYNERR, "missing register class name after 'reg_class'\n"); | |
2322 return; | |
2323 } | |
2324 // Debug Stuff | |
2325 if (_AD._adl_debug >1) fprintf(stderr,"Register Class: %s\n", cname); | |
2326 | |
2327 skipws(); | |
2328 if (_curchar == '(') { | |
23049
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2329 // A register list is defined for the register class. |
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2330 // Collect registers into a generic RegClass register class. |
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2331 RegClass* reg_class = _AD._register->addRegClass<RegClass>(cname); |
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2332 |
0 | 2333 next_char(); // Skip '(' |
2334 skipws(); | |
2335 while (_curchar != ')') { | |
2336 char *rname = get_ident(); | |
2337 if (rname==NULL) { | |
2338 parse_err(SYNERR, "missing identifier inside reg_class list.\n"); | |
2339 return; | |
2340 } | |
2341 RegDef *regDef = _AD._register->getRegDef(rname); | |
475
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2342 if (!regDef) { |
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2343 parse_err(SEMERR, "unknown identifier %s inside reg_class list.\n", rname); |
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2344 } else { |
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2345 reg_class->addReg(regDef); // add regDef to regClass |
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2346 } |
0 | 2347 |
2348 // Check for ',' and position to next token. | |
2349 skipws(); | |
2350 if (_curchar == ',') { | |
2351 next_char(); // Skip trailing ',' | |
2352 skipws(); | |
2353 } | |
2354 } | |
2355 next_char(); // Skip closing ')' | |
4121
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2356 } else if (_curchar == '%') { |
23049
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2357 // A code snippet is defined for the register class. |
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2358 // Collect the code snippet into a CodeSnippetRegClass register class. |
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2359 CodeSnippetRegClass* reg_class = _AD._register->addRegClass<CodeSnippetRegClass>(cname); |
4121
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2360 char *code = find_cpp_block("reg class"); |
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2361 if (code == NULL) { |
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2362 parse_err(SYNERR, "missing code declaration for reg class.\n"); |
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2363 return; |
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2364 } |
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2365 reg_class->set_code_snippet(code); |
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2366 return; |
0 | 2367 } |
2368 | |
2369 // Check for terminating ';' | |
2370 skipws(); | |
2371 if (_curchar != ';') { | |
2372 parse_err(SYNERR, "missing ';' at end of reg_class definition.\n"); | |
2373 return; | |
2374 } | |
2375 next_char(); // Skip trailing ';' | |
2376 | |
2377 // Check RegClass size, must be <= 32 registers in class. | |
2378 | |
2379 return; | |
2380 } | |
2381 | |
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2382 //------------------------------reg_class_dynamic_parse------------------------ |
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2383 void ADLParser::reg_class_dynamic_parse(void) { |
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2384 char *cname; // Name of dynamic register class being defined |
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2385 |
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2386 // Get register class name |
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2387 skipws(); |
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2388 cname = get_ident(); |
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2389 if (cname == NULL) { |
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2390 parse_err(SYNERR, "missing dynamic register class name after 'reg_class_dynamic'\n"); |
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2391 return; |
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|
2392 } |
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2393 |
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2394 if (_AD._adl_debug > 1) { |
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2395 fprintf(stdout, "Dynamic Register Class: %s\n", cname); |
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2396 } |
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2397 |
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2398 skipws(); |
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2399 if (_curchar != '(') { |
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2400 parse_err(SYNERR, "missing '(' at the beginning of reg_class_dynamic definition\n"); |
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2401 return; |
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|
2402 } |
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2403 next_char(); |
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2404 skipws(); |
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2405 |
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2406 // Collect two register classes and the C++ code representing the condition code used to |
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2407 // select between the two classes into a ConditionalRegClass register class. |
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2408 ConditionalRegClass* reg_class = _AD._register->addRegClass<ConditionalRegClass>(cname); |
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2409 int i; |
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2410 for (i = 0; i < 2; i++) { |
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2411 char* name = get_ident(); |
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2412 if (name == NULL) { |
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2413 parse_err(SYNERR, "missing class identifier inside reg_class_dynamic list.\n"); |
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2414 return; |
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|
2415 } |
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2416 RegClass* rc = _AD._register->getRegClass(name); |
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2417 if (rc == NULL) { |
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2418 parse_err(SEMERR, "unknown identifier %s inside reg_class_dynamic list.\n", name); |
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2419 } else { |
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2420 reg_class->set_rclass_at_index(i, rc); |
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2421 } |
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2422 |
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2423 skipws(); |
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2424 if (_curchar == ',') { |
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2425 next_char(); |
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|
2426 skipws(); |
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|
2427 } else { |
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2428 parse_err(SYNERR, "missing separator ',' inside reg_class_dynamic list.\n"); |
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2429 } |
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|
2430 } |
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|
2431 |
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2432 // Collect the condition code. |
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2433 skipws(); |
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2434 if (_curchar == '%') { |
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2435 char* code = find_cpp_block("reg class dynamic"); |
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2436 if (code == NULL) { |
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2437 parse_err(SYNERR, "missing code declaration for reg_class_dynamic.\n"); |
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2438 return; |
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2439 } |
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2440 reg_class->set_condition_code(code); |
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2441 } else { |
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2442 parse_err(SYNERR, "missing %% at the beginning of code block in reg_class_dynamic definition\n"); |
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2443 return; |
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2444 } |
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2445 |
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2446 skipws(); |
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2447 if (_curchar != ')') { |
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2448 parse_err(SYNERR, "missing ')' at the end of reg_class_dynamic definition\n"); |
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2449 return; |
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2450 } |
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2451 next_char(); |
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2452 |
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2453 skipws(); |
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2454 if (_curchar != ';') { |
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2455 parse_err(SYNERR, "missing ';' at the end of reg_class_dynamic definition.\n"); |
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2456 return; |
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2457 } |
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2458 next_char(); // Skip trailing ';' |
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2459 |
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2460 return; |
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2461 } |
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2462 |
0 | 2463 //------------------------------alloc_class_parse------------------------------ |
2464 void ADLParser::alloc_class_parse(void) { | |
2465 char *name; // Name of allocation class being defined | |
2466 | |
2467 // Get allocation class name | |
2468 skipws(); // Skip leading whitespace | |
2469 name = get_ident(); | |
2470 if (name == NULL) { | |
2471 parse_err(SYNERR, "missing allocation class name after 'reg_class'\n"); | |
2472 return; | |
2473 } | |
2474 // Debug Stuff | |
2475 if (_AD._adl_debug >1) fprintf(stderr,"Allocation Class: %s\n", name); | |
2476 | |
2477 AllocClass *alloc_class = _AD._register->addAllocClass(name); | |
2478 | |
2479 // Collect registers in class | |
2480 skipws(); | |
2481 if (_curchar == '(') { | |
2482 next_char(); // Skip '(' | |
2483 skipws(); | |
2484 while (_curchar != ')') { | |
2485 char *rname = get_ident(); | |
2486 if (rname==NULL) { | |
2487 parse_err(SYNERR, "missing identifier inside reg_class list.\n"); | |
2488 return; | |
2489 } | |
2490 // Check if name is a RegDef | |
2491 RegDef *regDef = _AD._register->getRegDef(rname); | |
2492 if (regDef) { | |
2493 alloc_class->addReg(regDef); // add regDef to allocClass | |
2494 } else { | |
2495 | |
2496 // name must be a RegDef or a RegClass | |
2497 parse_err(SYNERR, "name %s should be a previously defined reg_def.\n", rname); | |
2498 return; | |
2499 } | |
2500 | |
2501 // Check for ',' and position to next token. | |
2502 skipws(); | |
2503 if (_curchar == ',') { | |
2504 next_char(); // Skip trailing ',' | |
2505 skipws(); | |
2506 } | |
2507 } | |
2508 next_char(); // Skip closing ')' | |
2509 } | |
2510 | |
2511 // Check for terminating ';' | |
2512 skipws(); | |
2513 if (_curchar != ';') { | |
2514 parse_err(SYNERR, "missing ';' at end of reg_class definition.\n"); | |
2515 return; | |
2516 } | |
2517 next_char(); // Skip trailing ';' | |
2518 | |
2519 return; | |
2520 } | |
2521 | |
2522 //------------------------------peep_match_child_parse------------------------- | |
2523 InstructForm *ADLParser::peep_match_child_parse(PeepMatch &match, int parent, int &position, int input){ | |
2524 char *token = NULL; | |
2525 int lparen = 0; // keep track of parenthesis nesting depth | |
2526 int rparen = 0; // position of instruction at this depth | |
2527 InstructForm *inst_seen = NULL; | |
2528 | |
2529 // Walk the match tree, | |
2530 // Record <parent, position, instruction name, input position> | |
2531 while ( lparen >= rparen ) { | |
2532 skipws(); | |
2533 // Left paren signals start of an input, collect with recursive call | |
2534 if (_curchar == '(') { | |
2535 ++lparen; | |
2536 next_char(); | |
6850 | 2537 ( void ) peep_match_child_parse(match, parent, position, rparen); |
0 | 2538 } |
2539 // Right paren signals end of an input, may be more | |
2540 else if (_curchar == ')') { | |
2541 ++rparen; | |
2542 if( rparen == lparen ) { // IF rparen matches an lparen I've seen | |
2543 next_char(); // move past ')' | |
2544 } else { // ELSE leave ')' for parent | |
2545 assert( rparen == lparen + 1, "Should only see one extra ')'"); | |
2546 // if an instruction was not specified for this paren-pair | |
2547 if( ! inst_seen ) { // record signal entry | |
2548 match.add_instruction( parent, position, NameList::_signal, input ); | |
2549 ++position; | |
2550 } | |
2551 // ++input; // TEMPORARY | |
2552 return inst_seen; | |
2553 } | |
2554 } | |
2555 // if no parens, then check for instruction name | |
2556 // This instruction is the parent of a sub-tree | |
2557 else if ((token = get_ident_dup()) != NULL) { | |
2558 const Form *form = _AD._globalNames[token]; | |
2559 if (form) { | |
2560 InstructForm *inst = form->is_instruction(); | |
2561 // Record the first instruction at this level | |
2562 if( inst_seen == NULL ) { | |
2563 inst_seen = inst; | |
2564 } | |
2565 if (inst) { | |
2566 match.add_instruction( parent, position, token, input ); | |
2567 parent = position; | |
2568 ++position; | |
2569 } else { | |
2570 parse_err(SYNERR, "instruction name expected at identifier %s.\n", | |
2571 token); | |
2572 return inst_seen; | |
2573 } | |
2574 } | |
2575 else { | |
2576 parse_err(SYNERR, "missing identifier in peepmatch rule.\n"); | |
2577 return NULL; | |
2578 } | |
2579 } | |
2580 else { | |
2581 parse_err(SYNERR, "missing identifier in peepmatch rule.\n"); | |
2582 return NULL; | |
2583 } | |
2584 | |
2585 } // end while | |
2586 | |
2587 assert( false, "ShouldNotReachHere();"); | |
2588 return NULL; | |
2589 } | |
2590 | |
2591 //------------------------------peep_match_parse------------------------------- | |
2592 // Syntax for a peepmatch rule | |
2593 // | |
2594 // peepmatch ( root_instr_name [(instruction subtree)] [,(instruction subtree)]* ); | |
2595 // | |
2596 void ADLParser::peep_match_parse(Peephole &peep) { | |
2597 | |
2598 skipws(); | |
2599 // Check the structure of the rule | |
2600 // Check for open paren | |
2601 if (_curchar != '(') { | |
2602 parse_err(SYNERR, "missing '(' at start of peepmatch rule.\n"); | |
2603 return; | |
2604 } | |
2605 next_char(); // skip '(' | |
2606 | |
2607 // Construct PeepMatch and parse the peepmatch rule. | |
2608 PeepMatch *match = new PeepMatch(_ptr); | |
2609 int parent = -1; // parent of root | |
2610 int position = 0; // zero-based positions | |
2611 int input = 0; // input position in parent's operands | |
2612 InstructForm *root= peep_match_child_parse( *match, parent, position, input); | |
2613 if( root == NULL ) { | |
2614 parse_err(SYNERR, "missing instruction-name at start of peepmatch.\n"); | |
2615 return; | |
2616 } | |
2617 | |
2618 if( _curchar != ')' ) { | |
2619 parse_err(SYNERR, "missing ')' at end of peepmatch.\n"); | |
2620 return; | |
2621 } | |
2622 next_char(); // skip ')' | |
2623 | |
2624 // Check for closing semicolon | |
2625 skipws(); | |
2626 if( _curchar != ';' ) { | |
2627 parse_err(SYNERR, "missing ';' at end of peepmatch.\n"); | |
2628 return; | |
2629 } | |
2630 next_char(); // skip ';' | |
2631 | |
2632 // Store match into peep, and store peep into instruction | |
2633 peep.add_match(match); | |
2634 root->append_peephole(&peep); | |
2635 } | |
2636 | |
2637 //------------------------------peep_constraint_parse-------------------------- | |
2638 // Syntax for a peepconstraint rule | |
2639 // A parenthesized list of relations between operands in peepmatch subtree | |
2640 // | |
2641 // peepconstraint %{ | |
2642 // (instruction_number.operand_name | |
2643 // relational_op | |
2644 // instruction_number.operand_name OR register_name | |
2645 // [, ...] ); | |
2646 // | |
2647 // // instruction numbers are zero-based using topological order in peepmatch | |
2648 // | |
2649 void ADLParser::peep_constraint_parse(Peephole &peep) { | |
2650 | |
2651 skipws(); | |
2652 // Check the structure of the rule | |
2653 // Check for open paren | |
2654 if (_curchar != '(') { | |
2655 parse_err(SYNERR, "missing '(' at start of peepconstraint rule.\n"); | |
2656 return; | |
2657 } | |
2658 else { | |
2659 next_char(); // Skip '(' | |
2660 } | |
2661 | |
2662 // Check for a constraint | |
2663 skipws(); | |
2664 while( _curchar != ')' ) { | |
2665 // Get information on the left instruction and its operand | |
2666 // left-instructions's number | |
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2667 int left_inst = get_int(); |
0 | 2668 // Left-instruction's operand |
2669 skipws(); | |
2670 if( _curchar != '.' ) { | |
2671 parse_err(SYNERR, "missing '.' in peepconstraint after instruction number.\n"); | |
2672 return; | |
2673 } | |
2674 next_char(); // Skip '.' | |
2675 char *left_op = get_ident_dup(); | |
2676 | |
2677 skipws(); | |
2678 // Collect relational operator | |
2679 char *relation = get_relation_dup(); | |
2680 | |
2681 skipws(); | |
2682 // Get information on the right instruction and its operand | |
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2683 int right_inst; // Right-instructions's number |
0 | 2684 if( isdigit(_curchar) ) { |
2685 right_inst = get_int(); | |
2686 // Right-instruction's operand | |
2687 skipws(); | |
2688 if( _curchar != '.' ) { | |
2689 parse_err(SYNERR, "missing '.' in peepconstraint after instruction number.\n"); | |
2690 return; | |
2691 } | |
2692 next_char(); // Skip '.' | |
2693 } else { | |
2694 right_inst = -1; // Flag as being a register constraint | |
2695 } | |
2696 | |
2697 char *right_op = get_ident_dup(); | |
2698 | |
2699 // Construct the next PeepConstraint | |
2700 PeepConstraint *constraint = new PeepConstraint( left_inst, left_op, | |
2701 relation, | |
2702 right_inst, right_op ); | |
2703 // And append it to the list for this peephole rule | |
2704 peep.append_constraint( constraint ); | |
2705 | |
2706 // Check for another constraint, or end of rule | |
2707 skipws(); | |
2708 if( _curchar == ',' ) { | |
2709 next_char(); // Skip ',' | |
2710 skipws(); | |
2711 } | |
2712 else if( _curchar != ')' ) { | |
2713 parse_err(SYNERR, "expected ',' or ')' after peephole constraint.\n"); | |
2714 return; | |
2715 } | |
2716 } // end while( processing constraints ) | |
2717 next_char(); // Skip ')' | |
2718 | |
2719 // Check for terminating ';' | |
2720 skipws(); | |
2721 if (_curchar != ';') { | |
2722 parse_err(SYNERR, "missing ';' at end of peepconstraint.\n"); | |
2723 return; | |
2724 } | |
2725 next_char(); // Skip trailing ';' | |
2726 } | |
2727 | |
2728 | |
2729 //------------------------------peep_replace_parse----------------------------- | |
2730 // Syntax for a peepreplace rule | |
2731 // root instruction name followed by a | |
2732 // parenthesized list of whitespace separated instruction.operand specifiers | |
2733 // | |
2734 // peepreplace ( instr_name ( [instruction_number.operand_name]* ) ); | |
2735 // | |
2736 // | |
2737 void ADLParser::peep_replace_parse(Peephole &peep) { | |
2738 int lparen = 0; // keep track of parenthesis nesting depth | |
2739 int rparen = 0; // keep track of parenthesis nesting depth | |
2740 int icount = 0; // count of instructions in rule for naming | |
2741 char *str = NULL; | |
2742 char *token = NULL; | |
2743 | |
2744 skipws(); | |
2745 // Check for open paren | |
2746 if (_curchar != '(') { | |
2747 parse_err(SYNERR, "missing '(' at start of peepreplace rule.\n"); | |
2748 return; | |
2749 } | |
2750 else { | |
2751 lparen++; | |
2752 next_char(); | |
2753 } | |
2754 | |
2755 // Check for root instruction | |
2756 char *inst = get_ident_dup(); | |
2757 const Form *form = _AD._globalNames[inst]; | |
2758 if( form == NULL || form->is_instruction() == NULL ) { | |
2759 parse_err(SYNERR, "Instruction name expected at start of peepreplace.\n"); | |
2760 return; | |
2761 } | |
2762 | |
2763 // Store string representation of rule into replace | |
2764 PeepReplace *replace = new PeepReplace(str); | |
2765 replace->add_instruction( inst ); | |
2766 | |
2767 skipws(); | |
2768 // Start of root's operand-list | |
2769 if (_curchar != '(') { | |
2770 parse_err(SYNERR, "missing '(' at peepreplace root's operand-list.\n"); | |
2771 return; | |
2772 } | |
2773 else { | |
2774 lparen++; | |
2775 next_char(); | |
2776 } | |
2777 | |
2778 skipws(); | |
2779 // Get the list of operands | |
2780 while( _curchar != ')' ) { | |
2781 // Get information on an instruction and its operand | |
2782 // instructions's number | |
2783 int inst_num = get_int(); | |
2784 // Left-instruction's operand | |
2785 skipws(); | |
2786 if( _curchar != '.' ) { | |
2787 parse_err(SYNERR, "missing '.' in peepreplace after instruction number.\n"); | |
2788 return; | |
2789 } | |
2790 next_char(); // Skip '.' | |
2791 char *inst_op = get_ident_dup(); | |
2792 if( inst_op == NULL ) { | |
2793 parse_err(SYNERR, "missing operand identifier in peepreplace.\n"); | |
2794 return; | |
2795 } | |
2796 | |
2797 // Record this operand's position in peepmatch | |
2798 replace->add_operand( inst_num, inst_op ); | |
2799 skipws(); | |
2800 } | |
2801 | |
2802 // Check for the end of operands list | |
2803 skipws(); | |
2804 assert( _curchar == ')', "While loop should have advanced to ')'."); | |
2805 next_char(); // Skip ')' | |
2806 | |
2807 skipws(); | |
2808 // Check for end of peepreplace | |
2809 if( _curchar != ')' ) { | |
2810 parse_err(SYNERR, "missing ')' at end of peepmatch.\n"); | |
2811 parse_err(SYNERR, "Support one replacement instruction.\n"); | |
2812 return; | |
2813 } | |
2814 next_char(); // Skip ')' | |
2815 | |
2816 // Check for closing semicolon | |
2817 skipws(); | |
2818 if( _curchar != ';' ) { | |
2819 parse_err(SYNERR, "missing ';' at end of peepreplace.\n"); | |
2820 return; | |
2821 } | |
2822 next_char(); // skip ';' | |
2823 | |
2824 // Store replace into peep | |
2825 peep.add_replace( replace ); | |
2826 } | |
2827 | |
2828 //------------------------------pred_parse------------------------------------- | |
2829 Predicate *ADLParser::pred_parse(void) { | |
2830 Predicate *predicate; // Predicate class for operand | |
2831 char *rule = NULL; // String representation of predicate | |
2832 | |
2833 skipws(); // Skip leading whitespace | |
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2834 int line = linenum(); |
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2835 if ( (rule = get_paren_expr("pred expression", true)) == NULL ) { |
0 | 2836 parse_err(SYNERR, "incorrect or missing expression for 'predicate'\n"); |
2837 return NULL; | |
2838 } | |
2839 // Debug Stuff | |
2840 if (_AD._adl_debug > 1) fprintf(stderr,"Predicate: %s\n", rule); | |
2841 if (_curchar != ';') { | |
2842 parse_err(SYNERR, "missing ';' in predicate definition\n"); | |
2843 return NULL; | |
2844 } | |
2845 next_char(); // Point after the terminator | |
2846 | |
2847 predicate = new Predicate(rule); // Build new predicate object | |
2848 skipws(); | |
2849 return predicate; | |
2850 } | |
2851 | |
2852 | |
2853 //------------------------------ins_encode_parse_block------------------------- | |
2854 // Parse the block form of ins_encode. See ins_encode_parse for more details | |
2008 | 2855 void ADLParser::ins_encode_parse_block(InstructForm& inst) { |
0 | 2856 // Create a new encoding name based on the name of the instruction |
2857 // definition, which should be unique. | |
2008 | 2858 const char* prefix = "__ins_encode_"; |
2859 char* ec_name = (char*) malloc(strlen(inst._ident) + strlen(prefix) + 1); | |
0 | 2860 sprintf(ec_name, "%s%s", prefix, inst._ident); |
2861 | |
2862 assert(_AD._encode->encClass(ec_name) == NULL, "shouldn't already exist"); | |
2008 | 2863 EncClass* encoding = _AD._encode->add_EncClass(ec_name); |
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2864 encoding->_linenum = linenum(); |
0 | 2865 |
2866 // synthesize the arguments list for the enc_class from the | |
2867 // arguments to the instruct definition. | |
2008 | 2868 const char* param = NULL; |
0 | 2869 inst._parameters.reset(); |
2870 while ((param = inst._parameters.iter()) != NULL) { | |
2008 | 2871 OperandForm* opForm = (OperandForm*) inst._localNames[param]; |
0 | 2872 encoding->add_parameter(opForm->_ident, param); |
2873 } | |
2874 | |
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2875 if (!inst._is_postalloc_expand) { |
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2876 // Define a MacroAssembler instance for use by the encoding. The |
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2877 // name is chosen to match the __ idiom used for assembly in other |
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|
2878 // parts of hotspot and assumes the existence of the standard |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
2879 // #define __ _masm. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
2880 encoding->add_code(" MacroAssembler _masm(&cbuf);\n"); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
2881 } |
0 | 2882 |
2883 // Parse the following %{ }% block | |
2008 | 2884 ins_encode_parse_block_impl(inst, encoding, ec_name); |
0 | 2885 |
2886 // Build an encoding rule which invokes the encoding rule we just | |
2887 // created, passing all arguments that we received. | |
2008 | 2888 InsEncode* encrule = new InsEncode(); // Encode class for instruction |
2889 NameAndList* params = encrule->add_encode(ec_name); | |
0 | 2890 inst._parameters.reset(); |
2891 while ((param = inst._parameters.iter()) != NULL) { | |
2892 params->add_entry(param); | |
2893 } | |
2894 | |
3793
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
2895 // Check for duplicate ins_encode sections after parsing the block |
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
2896 // so that parsing can continue and find any other errors. |
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
2897 if (inst._insencode != NULL) { |
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
2898 parse_err(SYNERR, "Multiple ins_encode sections defined\n"); |
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
2899 return; |
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
2900 } |
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
2901 |
2008 | 2902 // Set encode class of this instruction. |
2903 inst._insencode = encrule; | |
2904 } | |
2905 | |
2906 | |
2907 void ADLParser::ins_encode_parse_block_impl(InstructForm& inst, EncClass* encoding, char* ec_name) { | |
2908 skipws_no_preproc(); // Skip leading whitespace | |
2909 // Prepend location descriptor, for debugging; cf. ADLParser::find_cpp_block | |
2910 if (_AD._adlocation_debug) { | |
2911 encoding->add_code(get_line_string()); | |
2912 } | |
2913 | |
2914 // Collect the parts of the encode description | |
2915 // (1) strings that are passed through to output | |
2916 // (2) replacement/substitution variable, preceeded by a '$' | |
2917 while ((_curchar != '%') && (*(_ptr+1) != '}')) { | |
2918 | |
2919 // (1) | |
2920 // Check if there is a string to pass through to output | |
2921 char *start = _ptr; // Record start of the next string | |
2922 while ((_curchar != '$') && ((_curchar != '%') || (*(_ptr+1) != '}')) ) { | |
2923 // If at the start of a comment, skip past it | |
2924 if( (_curchar == '/') && ((*(_ptr+1) == '/') || (*(_ptr+1) == '*')) ) { | |
2925 skipws_no_preproc(); | |
2926 } else { | |
2927 // ELSE advance to the next character, or start of the next line | |
2928 next_char_or_line(); | |
2929 } | |
2930 } | |
2931 // If a string was found, terminate it and record in EncClass | |
2932 if (start != _ptr) { | |
2933 *_ptr = '\0'; // Terminate the string | |
2934 encoding->add_code(start); | |
2935 } | |
2936 | |
2937 // (2) | |
2938 // If we are at a replacement variable, | |
2939 // copy it and record in EncClass | |
2940 if (_curchar == '$') { | |
2941 // Found replacement Variable | |
2942 char* rep_var = get_rep_var_ident_dup(); | |
2943 | |
2944 // Add flag to _strings list indicating we should check _rep_vars | |
2945 encoding->add_rep_var(rep_var); | |
2946 | |
2947 skipws(); | |
2948 | |
2949 // Check if this instruct is a MachConstantNode. | |
2950 if (strcmp(rep_var, "constanttablebase") == 0) { | |
2951 // This instruct is a MachConstantNode. | |
14434
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2952 inst.set_needs_constant_base(true); |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2953 if (strncmp("MachCall", inst.mach_base_class(_globalNames), strlen("MachCall")) != 0 ) { |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2954 inst.set_is_mach_constant(true); |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2955 } |
2008 | 2956 |
2957 if (_curchar == '(') { | |
14428
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
2958 parse_err(SYNERR, "constanttablebase in instruct %s cannot have an argument " |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
2959 "(only constantaddress and constantoffset)", ec_name); |
2008 | 2960 return; |
2961 } | |
2962 } | |
2963 else if ((strcmp(rep_var, "constantaddress") == 0) || | |
2964 (strcmp(rep_var, "constantoffset") == 0)) { | |
2965 // This instruct is a MachConstantNode. | |
2966 inst.set_is_mach_constant(true); | |
2967 | |
2968 // If the constant keyword has an argument, parse it. | |
2969 if (_curchar == '(') constant_parse(inst); | |
2970 } | |
2971 } | |
2972 } // end while part of format description | |
2973 next_char(); // Skip '%' | |
2974 next_char(); // Skip '}' | |
2975 | |
2976 skipws(); | |
2977 | |
2978 if (_AD._adlocation_debug) { | |
2979 encoding->add_code(end_line_marker()); | |
2980 } | |
2981 | |
2982 // Debug Stuff | |
2983 if (_AD._adl_debug > 1) fprintf(stderr, "EncodingClass Form: %s\n", ec_name); | |
0 | 2984 } |
2985 | |
2986 | |
2987 //------------------------------ins_encode_parse------------------------------- | |
2988 // Encode rules have the form | |
2989 // ins_encode( encode_class_name(parameter_list), ... ); | |
2990 // | |
2991 // The "encode_class_name" must be defined in the encode section | |
2992 // The parameter list contains $names that are locals. | |
2993 // | |
2994 // Alternatively it can be written like this: | |
2995 // | |
2996 // ins_encode %{ | |
2997 // ... // body | |
2998 // %} | |
2999 // | |
3000 // which synthesizes a new encoding class taking the same arguments as | |
3001 // the InstructForm, and automatically prefixes the definition with: | |
3002 // | |
3003 // MacroAssembler masm(&cbuf);\n"); | |
3004 // | |
3005 // making it more compact to take advantage of the MacroAssembler and | |
3006 // placing the assembly closer to it's use by instructions. | |
2008 | 3007 void ADLParser::ins_encode_parse(InstructForm& inst) { |
0 | 3008 |
3009 // Parse encode class name | |
3010 skipws(); // Skip whitespace | |
3011 if (_curchar != '(') { | |
3012 // Check for ins_encode %{ form | |
3013 if ((_curchar == '%') && (*(_ptr+1) == '{')) { | |
3014 next_char(); // Skip '%' | |
3015 next_char(); // Skip '{' | |
3016 | |
3017 // Parse the block form of ins_encode | |
2008 | 3018 ins_encode_parse_block(inst); |
3019 return; | |
0 | 3020 } |
3021 | |
3022 parse_err(SYNERR, "missing '%%{' or '(' in ins_encode definition\n"); | |
2008 | 3023 return; |
0 | 3024 } |
3025 next_char(); // move past '(' | |
3026 skipws(); | |
3027 | |
3028 InsEncode *encrule = new InsEncode(); // Encode class for instruction | |
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3029 encrule->_linenum = linenum(); |
0 | 3030 char *ec_name = NULL; // String representation of encode rule |
3031 // identifier is optional. | |
3032 while (_curchar != ')') { | |
3033 ec_name = get_ident(); | |
3034 if (ec_name == NULL) { | |
3035 parse_err(SYNERR, "Invalid encode class name after 'ins_encode('.\n"); | |
2008 | 3036 return; |
0 | 3037 } |
3038 // Check that encoding is defined in the encode section | |
3039 EncClass *encode_class = _AD._encode->encClass(ec_name); | |
3040 if (encode_class == NULL) { | |
3041 // Like to defer checking these till later... | |
3042 // parse_err(WARN, "Using an undefined encode class '%s' in 'ins_encode'.\n", ec_name); | |
3043 } | |
3044 | |
3045 // Get list for encode method's parameters | |
3046 NameAndList *params = encrule->add_encode(ec_name); | |
3047 | |
3048 // Parse the parameters to this encode method. | |
3049 skipws(); | |
3050 if ( _curchar == '(' ) { | |
3051 next_char(); // move past '(' for parameters | |
3052 | |
3053 // Parse the encode method's parameters | |
3054 while (_curchar != ')') { | |
3055 char *param = get_ident_or_literal_constant("encoding operand"); | |
3056 if ( param != NULL ) { | |
14434
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3057 |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3058 // Check if this instruct is a MachConstantNode. |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3059 if (strcmp(param, "constanttablebase") == 0) { |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3060 // This instruct is a MachConstantNode. |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3061 inst.set_needs_constant_base(true); |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3062 if (strncmp("MachCall", inst.mach_base_class(_globalNames), strlen("MachCall")) != 0 ) { |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3063 inst.set_is_mach_constant(true); |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3064 } |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3065 |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3066 if (_curchar == '(') { |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3067 parse_err(SYNERR, "constanttablebase in instruct %s cannot have an argument " |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3068 "(only constantaddress and constantoffset)", ec_name); |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3069 return; |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3070 } |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3071 } else { |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3072 // Found a parameter: |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3073 // Check it is a local name, add it to the list, then check for more |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3074 // New: allow hex constants as parameters to an encode method. |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3075 // New: allow parenthesized expressions as parameters. |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3076 // New: allow "primary", "secondary", "tertiary" as parameters. |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3077 // New: allow user-defined register name as parameter |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3078 if ( (inst._localNames[param] == NULL) && |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3079 !ADLParser::is_literal_constant(param) && |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3080 (Opcode::as_opcode_type(param) == Opcode::NOT_AN_OPCODE) && |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3081 ((_AD._register == NULL ) || (_AD._register->getRegDef(param) == NULL)) ) { |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3082 parse_err(SYNERR, "Using non-locally defined parameter %s for encoding %s.\n", param, ec_name); |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3083 return; |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3084 } |
0 | 3085 } |
3086 params->add_entry(param); | |
3087 | |
3088 skipws(); | |
3089 if (_curchar == ',' ) { | |
3090 // More parameters to come | |
3091 next_char(); // move past ',' between parameters | |
3092 skipws(); // Skip to next parameter | |
3093 } | |
3094 else if (_curchar == ')') { | |
3095 // Done with parameter list | |
3096 } | |
3097 else { | |
3098 // Only ',' or ')' are valid after a parameter name | |
3099 parse_err(SYNERR, "expected ',' or ')' after parameter %s.\n", | |
3100 ec_name); | |
2008 | 3101 return; |
0 | 3102 } |
3103 | |
3104 } else { | |
3105 skipws(); | |
3106 // Did not find a parameter | |
3107 if (_curchar == ',') { | |
3108 parse_err(SYNERR, "Expected encode parameter before ',' in encoding %s.\n", ec_name); | |
2008 | 3109 return; |
0 | 3110 } |
3111 if (_curchar != ')') { | |
3112 parse_err(SYNERR, "Expected ')' after encode parameters.\n"); | |
2008 | 3113 return; |
0 | 3114 } |
3115 } | |
3116 } // WHILE loop collecting parameters | |
3117 next_char(); // move past ')' at end of parameters | |
3118 } // done with parameter list for encoding | |
3119 | |
3120 // Check for ',' or ')' after encoding | |
3121 skipws(); // move to character after parameters | |
3122 if ( _curchar == ',' ) { | |
3123 // Found a ',' | |
3124 next_char(); // move past ',' between encode methods | |
3125 skipws(); | |
3126 } | |
3127 else if ( _curchar != ')' ) { | |
3128 // If not a ',' then only a ')' is allowed | |
3129 parse_err(SYNERR, "Expected ')' after encoding %s.\n", ec_name); | |
2008 | 3130 return; |
0 | 3131 } |
3132 | |
3133 // Check for ',' separating parameters | |
3134 // if ( _curchar != ',' && _curchar != ')' ) { | |
3135 // parse_err(SYNERR, "expected ',' or ')' after encode method inside ins_encode.\n"); | |
3136 // return NULL; | |
3137 // } | |
3138 | |
3139 } // done parsing ins_encode methods and their parameters | |
3140 if (_curchar != ')') { | |
3141 parse_err(SYNERR, "Missing ')' at end of ins_encode description.\n"); | |
2008 | 3142 return; |
0 | 3143 } |
3144 next_char(); // move past ')' | |
3145 skipws(); // Skip leading whitespace | |
3146 | |
3147 if ( _curchar != ';' ) { | |
3148 parse_err(SYNERR, "Missing ';' at end of ins_encode.\n"); | |
2008 | 3149 return; |
0 | 3150 } |
3151 next_char(); // move past ';' | |
3152 skipws(); // be friendly to oper_parse() | |
3153 | |
3793
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
3154 // Check for duplicate ins_encode sections after parsing the block |
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
3155 // so that parsing can continue and find any other errors. |
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
3156 if (inst._insencode != NULL) { |
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
3157 parse_err(SYNERR, "Multiple ins_encode sections defined\n"); |
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
3158 return; |
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
3159 } |
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
3160 |
0 | 3161 // Debug Stuff |
3162 if (_AD._adl_debug > 1) fprintf(stderr,"Instruction Encode: %s\n", ec_name); | |
3163 | |
2008 | 3164 // Set encode class of this instruction. |
3165 inst._insencode = encrule; | |
3166 } | |
3167 | |
14428
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3168 //------------------------------postalloc_expand_parse--------------------------- |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3169 // Encode rules have the form |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3170 // postalloc_expand( encode_class_name(parameter_list) ); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3171 // |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3172 // The "encode_class_name" must be defined in the encode section. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3173 // The parameter list contains $names that are locals. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3174 // |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3175 // This is just a copy of ins_encode_parse without the loop. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3176 void ADLParser::postalloc_expand_parse(InstructForm& inst) { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3177 inst._is_postalloc_expand = true; |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3178 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3179 // Parse encode class name. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3180 skipws(); // Skip whitespace. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3181 if (_curchar != '(') { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3182 // Check for postalloc_expand %{ form |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3183 if ((_curchar == '%') && (*(_ptr+1) == '{')) { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3184 next_char(); // Skip '%' |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3185 next_char(); // Skip '{' |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3186 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3187 // Parse the block form of postalloc_expand |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3188 ins_encode_parse_block(inst); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3189 return; |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3190 } |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3191 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3192 parse_err(SYNERR, "missing '(' in postalloc_expand definition\n"); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3193 return; |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3194 } |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3195 next_char(); // Move past '('. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3196 skipws(); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3197 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3198 InsEncode *encrule = new InsEncode(); // Encode class for instruction. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3199 encrule->_linenum = linenum(); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3200 char *ec_name = NULL; // String representation of encode rule. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3201 // identifier is optional. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3202 if (_curchar != ')') { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3203 ec_name = get_ident(); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3204 if (ec_name == NULL) { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3205 parse_err(SYNERR, "Invalid postalloc_expand class name after 'postalloc_expand('.\n"); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3206 return; |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3207 } |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3208 // Check that encoding is defined in the encode section. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3209 EncClass *encode_class = _AD._encode->encClass(ec_name); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3210 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3211 // Get list for encode method's parameters |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3212 NameAndList *params = encrule->add_encode(ec_name); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3213 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3214 // Parse the parameters to this encode method. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3215 skipws(); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3216 if (_curchar == '(') { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3217 next_char(); // Move past '(' for parameters. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3218 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3219 // Parse the encode method's parameters. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3220 while (_curchar != ')') { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3221 char *param = get_ident_or_literal_constant("encoding operand"); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3222 if (param != NULL) { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3223 // Found a parameter: |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3224 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3225 // First check for constant table support. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3226 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3227 // Check if this instruct is a MachConstantNode. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3228 if (strcmp(param, "constanttablebase") == 0) { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3229 // This instruct is a MachConstantNode. |
14434
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3230 inst.set_needs_constant_base(true); |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3231 if (strncmp("MachCall", inst.mach_base_class(_globalNames), strlen("MachCall")) != 0 ) { |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3232 inst.set_is_mach_constant(true); |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3233 } |
14428
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3234 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3235 if (_curchar == '(') { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3236 parse_err(SYNERR, "constanttablebase in instruct %s cannot have an argument " |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3237 "(only constantaddress and constantoffset)", ec_name); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3238 return; |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3239 } |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3240 } |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3241 else if ((strcmp(param, "constantaddress") == 0) || |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3242 (strcmp(param, "constantoffset") == 0)) { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3243 // This instruct is a MachConstantNode. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3244 inst.set_is_mach_constant(true); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3245 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3246 // If the constant keyword has an argument, parse it. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3247 if (_curchar == '(') constant_parse(inst); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3248 } |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3249 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3250 // Else check it is a local name, add it to the list, then check for more. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3251 // New: allow hex constants as parameters to an encode method. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3252 // New: allow parenthesized expressions as parameters. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3253 // New: allow "primary", "secondary", "tertiary" as parameters. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3254 // New: allow user-defined register name as parameter. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3255 else if ((inst._localNames[param] == NULL) && |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3256 !ADLParser::is_literal_constant(param) && |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3257 (Opcode::as_opcode_type(param) == Opcode::NOT_AN_OPCODE) && |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3258 ((_AD._register == NULL) || (_AD._register->getRegDef(param) == NULL))) { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3259 parse_err(SYNERR, "Using non-locally defined parameter %s for encoding %s.\n", param, ec_name); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3260 return; |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3261 } |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3262 params->add_entry(param); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3263 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3264 skipws(); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3265 if (_curchar == ',') { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3266 // More parameters to come. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3267 next_char(); // Move past ',' between parameters. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3268 skipws(); // Skip to next parameter. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3269 } else if (_curchar == ')') { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3270 // Done with parameter list |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3271 } else { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3272 // Only ',' or ')' are valid after a parameter name. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3273 parse_err(SYNERR, "expected ',' or ')' after parameter %s.\n", ec_name); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3274 return; |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3275 } |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3276 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3277 } else { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3278 skipws(); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3279 // Did not find a parameter. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3280 if (_curchar == ',') { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3281 parse_err(SYNERR, "Expected encode parameter before ',' in postalloc_expand %s.\n", ec_name); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3282 return; |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3283 } |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3284 if (_curchar != ')') { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3285 parse_err(SYNERR, "Expected ')' after postalloc_expand parameters.\n"); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3286 return; |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3287 } |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3288 } |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3289 } // WHILE loop collecting parameters. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3290 next_char(); // Move past ')' at end of parameters. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3291 } // Done with parameter list for encoding. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3292 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3293 // Check for ',' or ')' after encoding. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3294 skipws(); // Move to character after parameters. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3295 if (_curchar != ')') { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3296 // Only a ')' is allowed. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3297 parse_err(SYNERR, "Expected ')' after postalloc_expand %s.\n", ec_name); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3298 return; |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3299 } |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3300 } // Done parsing postalloc_expand method and their parameters. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3301 if (_curchar != ')') { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3302 parse_err(SYNERR, "Missing ')' at end of postalloc_expand description.\n"); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3303 return; |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3304 } |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3305 next_char(); // Move past ')'. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3306 skipws(); // Skip leading whitespace. |
044b28168e20
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|
3307 |
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3308 if (_curchar != ';') { |
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3309 parse_err(SYNERR, "Missing ';' at end of postalloc_expand.\n"); |
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3310 return; |
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|
3311 } |
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|
3312 next_char(); // Move past ';'. |
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3313 skipws(); // Be friendly to oper_parse(). |
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3314 |
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|
3315 // Debug Stuff. |
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3316 if (_AD._adl_debug > 1) fprintf(stderr, "Instruction postalloc_expand: %s\n", ec_name); |
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3317 |
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|
3318 // Set encode class of this instruction. |
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3319 inst._insencode = encrule; |
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|
3320 } |
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3321 |
2008 | 3322 |
3323 //------------------------------constant_parse--------------------------------- | |
3324 // Parse a constant expression. | |
3325 void ADLParser::constant_parse(InstructForm& inst) { | |
3326 // Create a new encoding name based on the name of the instruction | |
3327 // definition, which should be unique. | |
3328 const char* prefix = "__constant_"; | |
3329 char* ec_name = (char*) malloc(strlen(inst._ident) + strlen(prefix) + 1); | |
3330 sprintf(ec_name, "%s%s", prefix, inst._ident); | |
3331 | |
3332 assert(_AD._encode->encClass(ec_name) == NULL, "shouldn't already exist"); | |
3333 EncClass* encoding = _AD._encode->add_EncClass(ec_name); | |
3334 encoding->_linenum = linenum(); | |
3335 | |
3336 // synthesize the arguments list for the enc_class from the | |
3337 // arguments to the instruct definition. | |
3338 const char* param = NULL; | |
3339 inst._parameters.reset(); | |
3340 while ((param = inst._parameters.iter()) != NULL) { | |
3341 OperandForm* opForm = (OperandForm*) inst._localNames[param]; | |
3342 encoding->add_parameter(opForm->_ident, param); | |
3343 } | |
3344 | |
3345 // Parse the following ( ) expression. | |
3346 constant_parse_expression(encoding, ec_name); | |
3347 | |
3348 // Build an encoding rule which invokes the encoding rule we just | |
3349 // created, passing all arguments that we received. | |
3350 InsEncode* encrule = new InsEncode(); // Encode class for instruction | |
3351 NameAndList* params = encrule->add_encode(ec_name); | |
3352 inst._parameters.reset(); | |
3353 while ((param = inst._parameters.iter()) != NULL) { | |
3354 params->add_entry(param); | |
3355 } | |
3356 | |
3357 // Set encode class of this instruction. | |
3358 inst._constant = encrule; | |
3359 } | |
3360 | |
3361 | |
3362 //------------------------------constant_parse_expression---------------------- | |
3363 void ADLParser::constant_parse_expression(EncClass* encoding, char* ec_name) { | |
3364 skipws(); | |
3365 | |
3366 // Prepend location descriptor, for debugging; cf. ADLParser::find_cpp_block | |
3367 if (_AD._adlocation_debug) { | |
3368 encoding->add_code(get_line_string()); | |
3369 } | |
3370 | |
3371 // Start code line. | |
3372 encoding->add_code(" _constant = C->constant_table().add"); | |
3373 | |
3374 // Parse everything in ( ) expression. | |
4114
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3375 encoding->add_code("(this, "); |
2008 | 3376 next_char(); // Skip '(' |
3377 int parens_depth = 1; | |
3378 | |
3379 // Collect the parts of the constant expression. | |
3380 // (1) strings that are passed through to output | |
3381 // (2) replacement/substitution variable, preceeded by a '$' | |
3382 while (parens_depth > 0) { | |
3383 if (_curchar == '(') { | |
3384 parens_depth++; | |
3385 encoding->add_code("("); | |
3386 next_char(); | |
3387 } | |
3388 else if (_curchar == ')') { | |
3389 parens_depth--; | |
4114
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3390 if (parens_depth > 0) |
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3391 encoding->add_code(")"); |
2008 | 3392 next_char(); |
3393 } | |
3394 else { | |
3395 // (1) | |
3396 // Check if there is a string to pass through to output | |
3397 char *start = _ptr; // Record start of the next string | |
3398 while ((_curchar != '$') && (_curchar != '(') && (_curchar != ')')) { | |
3399 next_char(); | |
3400 } | |
3401 // If a string was found, terminate it and record in EncClass | |
3402 if (start != _ptr) { | |
3403 *_ptr = '\0'; // Terminate the string | |
3404 encoding->add_code(start); | |
3405 } | |
3406 | |
3407 // (2) | |
3408 // If we are at a replacement variable, copy it and record in EncClass. | |
3409 if (_curchar == '$') { | |
3410 // Found replacement Variable | |
3411 char* rep_var = get_rep_var_ident_dup(); | |
3412 encoding->add_rep_var(rep_var); | |
3413 } | |
3414 } | |
3415 } | |
3416 | |
3417 // Finish code line. | |
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3418 encoding->add_code(");"); |
2008 | 3419 |
3420 if (_AD._adlocation_debug) { | |
3421 encoding->add_code(end_line_marker()); | |
3422 } | |
3423 | |
3424 // Debug Stuff | |
3425 if (_AD._adl_debug > 1) fprintf(stderr, "EncodingClass Form: %s\n", ec_name); | |
0 | 3426 } |
3427 | |
3428 | |
3429 //------------------------------size_parse----------------------------------- | |
6850 | 3430 // Parse a 'size(<expr>)' attribute which specifies the size of the |
3431 // emitted instructions in bytes. <expr> can be a C++ expression, | |
3432 // e.g. a constant. | |
0 | 3433 char* ADLParser::size_parse(InstructForm *instr) { |
3434 char* sizeOfInstr = NULL; | |
3435 | |
3436 // Get value of the instruction's size | |
3437 skipws(); | |
3438 | |
3439 // Parse size | |
3440 sizeOfInstr = get_paren_expr("size expression"); | |
3441 if (sizeOfInstr == NULL) { | |
3442 parse_err(SYNERR, "size of opcode expected at %c\n", _curchar); | |
3443 return NULL; | |
3444 } | |
3445 | |
3446 skipws(); | |
3447 | |
3448 // Check for terminator | |
3449 if (_curchar != ';') { | |
3450 parse_err(SYNERR, "missing ';' in ins_attrib definition\n"); | |
3451 return NULL; | |
3452 } | |
3453 next_char(); // Advance past the ';' | |
3454 skipws(); // necessary for instr_parse() | |
3455 | |
3456 // Debug Stuff | |
3457 if (_AD._adl_debug > 1) { | |
3458 if (sizeOfInstr != NULL) { | |
3459 fprintf(stderr,"size of opcode: %s\n", sizeOfInstr); | |
3460 } | |
3461 } | |
3462 | |
3463 return sizeOfInstr; | |
3464 } | |
3465 | |
3466 | |
3467 //------------------------------opcode_parse----------------------------------- | |
3468 Opcode * ADLParser::opcode_parse(InstructForm *instr) { | |
3469 char *primary = NULL; | |
3470 char *secondary = NULL; | |
3471 char *tertiary = NULL; | |
3472 | |
3473 char *val = NULL; | |
3474 Opcode *opcode = NULL; | |
3475 | |
3476 // Get value of the instruction's opcode | |
3477 skipws(); | |
3478 if (_curchar != '(') { // Check for parenthesized operand list | |
3479 parse_err(SYNERR, "missing '(' in expand instruction declaration\n"); | |
3480 return NULL; | |
3481 } | |
3482 next_char(); // skip open paren | |
3483 skipws(); | |
3484 if (_curchar != ')') { | |
3485 // Parse primary, secondary, and tertiary opcodes, if provided. | |
3486 if ( ((primary = get_ident_or_literal_constant("primary opcode")) == NULL) ) { | |
3487 parse_err(SYNERR, "primary hex opcode expected at %c\n", _curchar); | |
3488 return NULL; | |
3489 } | |
3490 skipws(); | |
3491 if (_curchar == ',') { | |
3492 next_char(); | |
3493 skipws(); | |
3494 // Parse secondary opcode | |
3495 if ( ((secondary = get_ident_or_literal_constant("secondary opcode")) == NULL) ) { | |
3496 parse_err(SYNERR, "secondary hex opcode expected at %c\n", _curchar); | |
3497 return NULL; | |
3498 } | |
3499 skipws(); | |
3500 if (_curchar == ',') { | |
3501 next_char(); | |
3502 skipws(); | |
3503 // Parse tertiary opcode | |
3504 if ( ((tertiary = get_ident_or_literal_constant("tertiary opcode")) == NULL) ) { | |
3505 parse_err(SYNERR,"tertiary hex opcode expected at %c\n", _curchar); | |
3506 return NULL; | |
3507 } | |
3508 skipws(); | |
3509 } | |
3510 } | |
3511 skipws(); | |
3512 if (_curchar != ')') { | |
3513 parse_err(SYNERR, "Missing ')' in opcode description\n"); | |
3514 return NULL; | |
3515 } | |
3516 } | |
3517 next_char(); // Skip ')' | |
3518 skipws(); | |
3519 // Check for terminator | |
3520 if (_curchar != ';') { | |
3521 parse_err(SYNERR, "missing ';' in ins_attrib definition\n"); | |
3522 return NULL; | |
3523 } | |
3524 next_char(); // Advance past the ';' | |
3525 skipws(); // necessary for instr_parse() | |
3526 | |
3527 // Debug Stuff | |
3528 if (_AD._adl_debug > 1) { | |
3529 if (primary != NULL) fprintf(stderr,"primary opcode: %s\n", primary); | |
3530 if (secondary != NULL) fprintf(stderr,"secondary opcode: %s\n", secondary); | |
3531 if (tertiary != NULL) fprintf(stderr,"tertiary opcode: %s\n", tertiary); | |
3532 } | |
3533 | |
3534 // Generate new object and return | |
3535 opcode = new Opcode(primary, secondary, tertiary); | |
3536 return opcode; | |
3537 } | |
3538 | |
3539 | |
3540 //------------------------------interface_parse-------------------------------- | |
3541 Interface *ADLParser::interface_parse(void) { | |
3542 char *iface_name = NULL; // Name of interface class being used | |
3543 char *iface_code = NULL; // Describe components of this class | |
3544 | |
3545 // Get interface class name | |
3546 skipws(); // Skip whitespace | |
3547 if (_curchar != '(') { | |
3548 parse_err(SYNERR, "Missing '(' at start of interface description.\n"); | |
3549 return NULL; | |
3550 } | |
3551 next_char(); // move past '(' | |
3552 skipws(); | |
3553 iface_name = get_ident(); | |
3554 if (iface_name == NULL) { | |
3555 parse_err(SYNERR, "missing interface name after 'interface'.\n"); | |
3556 return NULL; | |
3557 } | |
3558 skipws(); | |
3559 if (_curchar != ')') { | |
3560 parse_err(SYNERR, "Missing ')' after name of interface.\n"); | |
3561 return NULL; | |
3562 } | |
3563 next_char(); // move past ')' | |
3564 | |
3565 // Get details of the interface, | |
3566 // for the type of interface indicated by iface_name. | |
3567 Interface *inter = NULL; | |
3568 skipws(); | |
3569 if ( _curchar != ';' ) { | |
3570 if ( strcmp(iface_name,"MEMORY_INTER") == 0 ) { | |
3571 inter = mem_interface_parse(); | |
3572 } | |
3573 else if ( strcmp(iface_name,"COND_INTER") == 0 ) { | |
3574 inter = cond_interface_parse(); | |
3575 } | |
3576 // The parse routines consume the "%}" | |
3577 | |
3578 // Check for probable extra ';' after defining block. | |
3579 if ( _curchar == ';' ) { | |
3580 parse_err(SYNERR, "Extra ';' after defining interface block.\n"); | |
3581 next_char(); // Skip ';' | |
3582 return NULL; | |
3583 } | |
3584 } else { | |
3585 next_char(); // move past ';' | |
3586 | |
3587 // Create appropriate interface object | |
3588 if ( strcmp(iface_name,"REG_INTER") == 0 ) { | |
3589 inter = new RegInterface(); | |
3590 } | |
3591 else if ( strcmp(iface_name,"CONST_INTER") == 0 ) { | |
3592 inter = new ConstInterface(); | |
3593 } | |
3594 } | |
3595 skipws(); // be friendly to oper_parse() | |
3596 // Debug Stuff | |
3597 if (_AD._adl_debug > 1) fprintf(stderr,"Interface Form: %s\n", iface_name); | |
3598 | |
3599 // Create appropriate interface object and return. | |
3600 return inter; | |
3601 } | |
3602 | |
3603 | |
3604 //------------------------------mem_interface_parse---------------------------- | |
3605 Interface *ADLParser::mem_interface_parse(void) { | |
3606 // Fields for MemInterface | |
3607 char *base = NULL; | |
3608 char *index = NULL; | |
3609 char *scale = NULL; | |
3610 char *disp = NULL; | |
3611 | |
3612 if (_curchar != '%') { | |
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diff
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|
3613 parse_err(SYNERR, "Missing '%%{' for 'interface' block.\n"); |
0 | 3614 return NULL; |
3615 } | |
3616 next_char(); // Skip '%' | |
3617 if (_curchar != '{') { | |
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|
3618 parse_err(SYNERR, "Missing '%%{' for 'interface' block.\n"); |
0 | 3619 return NULL; |
3620 } | |
3621 next_char(); // Skip '{' | |
3622 skipws(); | |
3623 do { | |
3624 char *field = get_ident(); | |
3625 if (field == NULL) { | |
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|
3626 parse_err(SYNERR, "Expected keyword, base|index|scale|disp, or '%%}' ending interface.\n"); |
0 | 3627 return NULL; |
3628 } | |
3629 if ( strcmp(field,"base") == 0 ) { | |
3630 base = interface_field_parse(); | |
3631 } | |
3632 else if ( strcmp(field,"index") == 0 ) { | |
3633 index = interface_field_parse(); | |
3634 } | |
3635 else if ( strcmp(field,"scale") == 0 ) { | |
3636 scale = interface_field_parse(); | |
3637 } | |
3638 else if ( strcmp(field,"disp") == 0 ) { | |
3639 disp = interface_field_parse(); | |
3640 } | |
3641 else { | |
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|
3642 parse_err(SYNERR, "Expected keyword, base|index|scale|disp, or '%%}' ending interface.\n"); |
0 | 3643 return NULL; |
3644 } | |
3645 } while( _curchar != '%' ); | |
3646 next_char(); // Skip '%' | |
3647 if ( _curchar != '}' ) { | |
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|
3648 parse_err(SYNERR, "Missing '%%}' for 'interface' block.\n"); |
0 | 3649 return NULL; |
3650 } | |
3651 next_char(); // Skip '}' | |
3652 | |
3653 // Construct desired object and return | |
3654 Interface *inter = new MemInterface(base, index, scale, disp); | |
3655 return inter; | |
3656 } | |
3657 | |
3658 | |
3659 //------------------------------cond_interface_parse--------------------------- | |
3660 Interface *ADLParser::cond_interface_parse(void) { | |
3661 char *equal; | |
3662 char *not_equal; | |
3663 char *less; | |
3664 char *greater_equal; | |
3665 char *less_equal; | |
3666 char *greater; | |
12323 | 3667 char *overflow; |
3668 char *no_overflow; | |
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3669 const char *equal_format = "eq"; |
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3670 const char *not_equal_format = "ne"; |
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3671 const char *less_format = "lt"; |
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3672 const char *greater_equal_format = "ge"; |
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3673 const char *less_equal_format = "le"; |
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3674 const char *greater_format = "gt"; |
12323 | 3675 const char *overflow_format = "o"; |
3676 const char *no_overflow_format = "no"; | |
0 | 3677 |
3678 if (_curchar != '%') { | |
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|
3679 parse_err(SYNERR, "Missing '%%{' for 'cond_interface' block.\n"); |
0 | 3680 return NULL; |
3681 } | |
3682 next_char(); // Skip '%' | |
3683 if (_curchar != '{') { | |
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|
3684 parse_err(SYNERR, "Missing '%%{' for 'cond_interface' block.\n"); |
0 | 3685 return NULL; |
3686 } | |
3687 next_char(); // Skip '{' | |
3688 skipws(); | |
3689 do { | |
3690 char *field = get_ident(); | |
3691 if (field == NULL) { | |
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|
3692 parse_err(SYNERR, "Expected keyword, base|index|scale|disp, or '%%}' ending interface.\n"); |
0 | 3693 return NULL; |
3694 } | |
3695 if ( strcmp(field,"equal") == 0 ) { | |
415
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3696 equal = interface_field_parse(&equal_format); |
0 | 3697 } |
3698 else if ( strcmp(field,"not_equal") == 0 ) { | |
415
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3699 not_equal = interface_field_parse(¬_equal_format); |
0 | 3700 } |
3701 else if ( strcmp(field,"less") == 0 ) { | |
415
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3702 less = interface_field_parse(&less_format); |
0 | 3703 } |
3704 else if ( strcmp(field,"greater_equal") == 0 ) { | |
415
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3705 greater_equal = interface_field_parse(&greater_equal_format); |
0 | 3706 } |
3707 else if ( strcmp(field,"less_equal") == 0 ) { | |
415
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3708 less_equal = interface_field_parse(&less_equal_format); |
0 | 3709 } |
3710 else if ( strcmp(field,"greater") == 0 ) { | |
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3711 greater = interface_field_parse(&greater_format); |
0 | 3712 } |
12323 | 3713 else if ( strcmp(field,"overflow") == 0 ) { |
3714 overflow = interface_field_parse(&overflow_format); | |
3715 } | |
3716 else if ( strcmp(field,"no_overflow") == 0 ) { | |
3717 no_overflow = interface_field_parse(&no_overflow_format); | |
3718 } | |
0 | 3719 else { |
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|
3720 parse_err(SYNERR, "Expected keyword, base|index|scale|disp, or '%%}' ending interface.\n"); |
0 | 3721 return NULL; |
3722 } | |
3723 } while( _curchar != '%' ); | |
3724 next_char(); // Skip '%' | |
3725 if ( _curchar != '}' ) { | |
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|
3726 parse_err(SYNERR, "Missing '%%}' for 'interface' block.\n"); |
0 | 3727 return NULL; |
3728 } | |
3729 next_char(); // Skip '}' | |
3730 | |
3731 // Construct desired object and return | |
415
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3732 Interface *inter = new CondInterface(equal, equal_format, |
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|
3733 not_equal, not_equal_format, |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3734 less, less_format, |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3735 greater_equal, greater_equal_format, |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3736 less_equal, less_equal_format, |
12323 | 3737 greater, greater_format, |
3738 overflow, overflow_format, | |
3739 no_overflow, no_overflow_format); | |
0 | 3740 return inter; |
3741 } | |
3742 | |
3743 | |
3744 //------------------------------interface_field_parse-------------------------- | |
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3745 char *ADLParser::interface_field_parse(const char ** format) { |
0 | 3746 char *iface_field = NULL; |
3747 | |
3748 // Get interface field | |
3749 skipws(); // Skip whitespace | |
3750 if (_curchar != '(') { | |
3751 parse_err(SYNERR, "Missing '(' at start of interface field.\n"); | |
3752 return NULL; | |
3753 } | |
3754 next_char(); // move past '(' | |
3755 skipws(); | |
3756 if ( _curchar != '0' && _curchar != '$' ) { | |
3757 parse_err(SYNERR, "missing or invalid interface field contents.\n"); | |
3758 return NULL; | |
3759 } | |
3760 iface_field = get_rep_var_ident(); | |
3761 if (iface_field == NULL) { | |
3762 parse_err(SYNERR, "missing or invalid interface field contents.\n"); | |
3763 return NULL; | |
3764 } | |
3765 skipws(); | |
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3766 if (format != NULL && _curchar == ',') { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3767 next_char(); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3768 skipws(); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3769 if (_curchar != '"') { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3770 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
never
parents:
0
diff
changeset
|
3771 return NULL; |
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 next_char(); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3774 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
|
3775 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
|
3776 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
|
3777 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
|
3778 next_char(); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3779 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3780 if (_curchar != '"') { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3781 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
|
3782 return NULL; |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3783 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3784 // 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
|
3785 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
|
3786 *_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
|
3787 *format = start; |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3788 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3789 next_char(); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3790 skipws(); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3791 } |
0 | 3792 if (_curchar != ')') { |
3793 parse_err(SYNERR, "Missing ')' after interface field.\n"); | |
3794 return NULL; | |
3795 } | |
3796 next_char(); // move past ')' | |
3797 skipws(); | |
3798 if ( _curchar != ';' ) { | |
3799 parse_err(SYNERR, "Missing ';' at end of interface field.\n"); | |
3800 return NULL; | |
3801 } | |
3802 next_char(); // move past ';' | |
3803 skipws(); // be friendly to interface_parse() | |
3804 | |
3805 return iface_field; | |
3806 } | |
3807 | |
3808 | |
3809 //------------------------------match_parse------------------------------------ | |
3810 MatchRule *ADLParser::match_parse(FormDict &operands) { | |
3811 MatchRule *match; // Match Rule class for instruction/operand | |
3812 char *cnstr = NULL; // Code for constructor | |
3813 int depth = 0; // Counter for matching parentheses | |
3814 int numleaves = 0; // Counter for number of leaves in rule | |
3815 | |
3816 // Parse the match rule tree | |
3817 MatchNode *mnode = matchNode_parse(operands, depth, numleaves, true); | |
3818 | |
3819 // Either there is a block with a constructor, or a ';' here | |
3820 skipws(); // Skip whitespace | |
3821 if ( _curchar == ';' ) { // Semicolon is valid terminator | |
3822 cnstr = NULL; // no constructor for this form | |
3823 next_char(); // Move past the ';', replaced with '\0' | |
3824 } | |
3825 else if ((cnstr = find_cpp_block("match constructor")) == NULL ) { | |
3826 parse_err(SYNERR, "invalid construction of match rule\n" | |
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
3827 "Missing ';' or invalid '%%{' and '%%}' constructor\n"); |
0 | 3828 return NULL; // No MatchRule to return |
3829 } | |
3830 if (_AD._adl_debug > 1) | |
3831 if (cnstr) fprintf(stderr,"Match Constructor: %s\n", cnstr); | |
3832 // Build new MatchRule object | |
3833 match = new MatchRule(_AD, mnode, depth, cnstr, numleaves); | |
3834 skipws(); // Skip any trailing whitespace | |
3835 return match; // Return MatchRule object | |
3836 } | |
3837 | |
3838 //------------------------------format_parse----------------------------------- | |
3839 FormatRule* ADLParser::format_parse(void) { | |
3840 char *desc = NULL; | |
3841 FormatRule *format = (new FormatRule(desc)); | |
3842 | |
3843 // Without expression form, MUST have a code block; | |
3844 skipws(); // Skip whitespace | |
3845 if ( _curchar == ';' ) { // Semicolon is valid terminator | |
3846 desc = NULL; // no constructor for this form | |
3847 next_char(); // Move past the ';', replaced with '\0' | |
3848 } | |
3849 else if ( _curchar == '%' && *(_ptr+1) == '{') { | |
3850 next_char(); // Move past the '%' | |
3851 next_char(); // Move past the '{' | |
3852 | |
3853 skipws(); | |
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3854 if (_curchar == '$') { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3855 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
|
3856 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
|
3857 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
|
3858 return NULL; |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3859 } |
0 | 3860 // Check for the opening '"' inside the format description |
3861 if ( _curchar == '"' ) { | |
3862 next_char(); // Move past the initial '"' | |
3863 if( _curchar == '"' ) { // Handle empty format string case | |
3864 *_ptr = '\0'; // Terminate empty string | |
3865 format->_strings.addName(_ptr); | |
3866 } | |
3867 | |
3868 // Collect the parts of the format description | |
3869 // (1) strings that are passed through to tty->print | |
3870 // (2) replacement/substitution variable, preceeded by a '$' | |
3871 // (3) multi-token ANSIY C style strings | |
3872 while ( true ) { | |
3873 if ( _curchar == '%' || _curchar == '\n' ) { | |
3874 if ( _curchar != '"' ) { | |
3875 parse_err(SYNERR, "missing '\"' at end of format block"); | |
3876 return NULL; | |
3877 } | |
3878 } | |
3879 | |
3880 // (1) | |
3881 // Check if there is a string to pass through to output | |
3882 char *start = _ptr; // Record start of the next string | |
3883 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
|
3884 if (_curchar == '\\') { |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
3885 next_char(); // superquote |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
3886 if ((_curchar == '$') || (_curchar == '%')) |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
3887 // 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
|
3888 *(_ptr-1) = _curchar; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
3889 } |
0 | 3890 if (_curchar == '\n') parse_err(SYNERR, "newline in string"); // unimplemented! |
3891 next_char(); | |
3892 } | |
3893 // If a string was found, terminate it and record in FormatRule | |
3894 if ( start != _ptr ) { | |
3895 *_ptr = '\0'; // Terminate the string | |
3896 format->_strings.addName(start); | |
3897 } | |
3898 | |
3899 // (2) | |
3900 // If we are at a replacement variable, | |
3901 // copy it and record in FormatRule | |
3902 if ( _curchar == '$' ) { | |
3903 next_char(); // Move past the '$' | |
3904 char* rep_var = get_ident(); // Nil terminate the variable name | |
3905 rep_var = strdup(rep_var);// Copy the string | |
3906 *_ptr = _curchar; // and replace Nil with original character | |
3907 format->_rep_vars.addName(rep_var); | |
3908 // Add flag to _strings list indicating we should check _rep_vars | |
3909 format->_strings.addName(NameList::_signal); | |
3910 } | |
3911 | |
3912 // (3) | |
3913 // Allow very long strings to be broken up, | |
3914 // using the ANSI C syntax "foo\n" <newline> "bar" | |
3915 if ( _curchar == '"') { | |
3916 next_char(); // Move past the '"' | |
3917 skipws(); // Skip white space before next string token | |
3918 if ( _curchar != '"') { | |
3919 break; | |
3920 } else { | |
3921 // Found one. Skip both " and the whitespace in between. | |
3922 next_char(); | |
3923 } | |
3924 } | |
3925 } // end while part of format description | |
3926 | |
3927 // Check for closing '"' and '%}' in format description | |
3928 skipws(); // Move to closing '%}' | |
3929 if ( _curchar != '%' ) { | |
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
3930 parse_err(SYNERR, "non-blank characters between closing '\"' and '%%' in format"); |
0 | 3931 return NULL; |
3932 } | |
3933 } // Done with format description inside | |
3934 | |
3935 skipws(); | |
3936 // Past format description, at '%' | |
3937 if ( _curchar != '%' || *(_ptr+1) != '}' ) { | |
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
3938 parse_err(SYNERR, "missing '%%}' at end of format block"); |
0 | 3939 return NULL; |
3940 } | |
3941 next_char(); // Move past the '%' | |
3942 next_char(); // Move past the '}' | |
3943 } | |
3944 else { // parameter list alone must terminate with a ';' | |
3945 parse_err(SYNERR, "missing ';' after Format expression"); | |
3946 return NULL; | |
3947 } | |
3948 // Debug Stuff | |
3949 if (_AD._adl_debug > 1) fprintf(stderr,"Format Rule: %s\n", desc); | |
3950 | |
3951 skipws(); | |
3952 return format; | |
3953 } | |
3954 | |
3955 | |
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3956 //------------------------------template_parse----------------------------------- |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3957 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
|
3958 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
|
3959 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
|
3960 |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3961 skipws(); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3962 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
|
3963 |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3964 // (1) |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3965 // 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
|
3966 { |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3967 char *start = _ptr; // Record start of the next string |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3968 while ((_curchar != '$') && ((_curchar != '%') || (*(_ptr+1) != '}')) ) { |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3969 // If at the start of a comment, skip past it |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3970 if( (_curchar == '/') && ((*(_ptr+1) == '/') || (*(_ptr+1) == '*')) ) { |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3971 skipws_no_preproc(); |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3972 } else { |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3973 // 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
|
3974 next_char_or_line(); |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3975 } |
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3976 } |
603
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3977 // 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
|
3978 if ( start != _ptr ) { |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3979 *_ptr = '\0'; // Terminate the string |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3980 // 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
|
3981 format->_strings.addName(NameList::_signal2); |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3982 format->_strings.addName(start); |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3983 } |
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3984 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3985 |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3986 // (2) |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3987 // 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
|
3988 // 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
|
3989 if ( _curchar == '$' ) { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3990 // 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
|
3991 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
|
3992 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
|
3993 // 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
|
3994 next_char(); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3995 next_char(); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3996 skipws(); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3997 // 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
|
3998 if ( _curchar == '"' ) { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3999 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
|
4000 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
|
4001 *_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
|
4002 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
|
4003 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4004 |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4005 // 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
|
4006 // (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
|
4007 // (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
|
4008 // (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
|
4009 while ( true ) { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4010 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
|
4011 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
|
4012 return NULL; |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4013 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4014 |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4015 // (1) |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4016 // 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
|
4017 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
|
4018 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
|
4019 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
|
4020 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
|
4021 next_char(); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4022 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4023 // 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
|
4024 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
|
4025 *_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
|
4026 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
|
4027 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4028 |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4029 // (2) |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4030 // 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
|
4031 // 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
|
4032 if ( _curchar == '$' ) { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4033 next_char(); // Move past the '$' |
603
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
4034 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
|
4035 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
|
4036 *_ptr = _curchar; // and replace Nil with original character |
603
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
4037 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
|
4038 // 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
|
4039 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
|
4040 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4041 |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4042 // (3) |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4043 // 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
|
4044 // 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
|
4045 if ( _curchar == '"') { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4046 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
|
4047 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
|
4048 if ( _curchar != '"') { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4049 break; |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4050 } else { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4051 // 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
|
4052 next_char(); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4053 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4054 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4055 } // 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
|
4056 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4057 } else { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4058 // 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
|
4059 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
|
4060 // 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
|
4061 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
|
4062 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4063 } // 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
|
4064 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4065 |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4066 skipws(); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4067 // 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
|
4068 if ( _curchar != '%' || *(_ptr+1) != '}' ) { |
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
4069 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
|
4070 return NULL; |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4071 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4072 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
|
4073 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
|
4074 |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4075 // Debug Stuff |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4076 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
|
4077 |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4078 skipws(); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4079 return format; |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4080 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4081 |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
4082 |
0 | 4083 //------------------------------effect_parse----------------------------------- |
4084 void ADLParser::effect_parse(InstructForm *instr) { | |
4085 char* desc = NULL; | |
4086 | |
4087 skipws(); // Skip whitespace | |
4088 if (_curchar != '(') { | |
4089 parse_err(SYNERR, "missing '(' in effect definition\n"); | |
4090 return; | |
4091 } | |
4092 // 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
|
4093 else get_effectlist(instr->_effects, instr->_localNames, instr->_has_call); |
0 | 4094 |
4095 // Debug Stuff | |
4096 if (_AD._adl_debug > 1) fprintf(stderr,"Effect description: %s\n", desc); | |
4097 if (_curchar != ';') { | |
4098 parse_err(SYNERR, "missing ';' in Effect definition\n"); | |
4099 } | |
4100 next_char(); // Skip ';' | |
4101 | |
4102 } | |
4103 | |
4104 //------------------------------expand_parse----------------------------------- | |
4105 ExpandRule* ADLParser::expand_parse(InstructForm *instr) { | |
4106 char *ident, *ident2; | |
4107 NameAndList *instr_and_operands = NULL; | |
4108 ExpandRule *exp = new ExpandRule(); | |
4109 | |
14431
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4110 // Expand is a block containing an ordered list of operands with initializers, |
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4111 // or instructions, each of which has an ordered list of operands. |
0 | 4112 // Check for block delimiter |
4113 skipws(); // Skip leading whitespace | |
4114 if ((_curchar != '%') | |
4115 || (next_char(), (_curchar != '{')) ) { // If not open block | |
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
4116 parse_err(SYNERR, "missing '%%{' in expand definition\n"); |
0 | 4117 return(NULL); |
4118 } | |
4119 next_char(); // Maintain the invariant | |
4120 do { | |
4121 ident = get_ident(); // Grab next identifier | |
4122 if (ident == NULL) { | |
4123 parse_err(SYNERR, "identifier expected at %c\n", _curchar); | |
4124 continue; | |
14431
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4125 } |
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4126 |
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4127 // Check whether we should parse an instruction or operand. |
0 | 4128 const Form *form = _globalNames[ident]; |
14431
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4129 bool parse_oper = false; |
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4130 bool parse_ins = false; |
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4131 if (form == NULL) { |
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4132 skipws(); |
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4133 // Check whether this looks like an instruction specification. If so, |
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4134 // just parse the instruction. The declaration of the instruction is |
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4135 // not needed here. |
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4136 if (_curchar == '(') parse_ins = true; |
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4137 } else if (form->is_instruction()) { |
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4138 parse_ins = true; |
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4139 } else if (form->is_operand()) { |
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4140 parse_oper = true; |
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4141 } else { |
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4142 parse_err(SYNERR, "instruction/operand name expected at %s\n", ident); |
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4143 continue; |
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4144 } |
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4145 |
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4146 if (parse_oper) { |
0 | 4147 // This is a new operand |
14431
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4148 OperandForm *oper = form->is_operand(); |
0 | 4149 if (oper == NULL) { |
4150 parse_err(SYNERR, "instruction/operand name expected at %s\n", ident); | |
4151 continue; | |
4152 } | |
4153 // Throw the operand on the _newopers list | |
4154 skipws(); | |
4155 ident = get_unique_ident(instr->_localNames,"Operand"); | |
4156 if (ident == NULL) { | |
4157 parse_err(SYNERR, "identifier expected at %c\n", _curchar); | |
4158 continue; | |
4159 } | |
4160 exp->_newopers.addName(ident); | |
4161 // Add new operand to LocalNames | |
4162 instr->_localNames.Insert(ident, oper); | |
4163 // Grab any constructor code and save as a string | |
4164 char *c = NULL; | |
4165 skipws(); | |
4166 if (_curchar == '%') { // Need a constructor for the operand | |
4167 c = find_cpp_block("Operand Constructor"); | |
4168 if (c == NULL) { | |
4169 parse_err(SYNERR, "Invalid code block for operand constructor\n", _curchar); | |
4170 continue; | |
4171 } | |
4172 // Add constructor to _newopconst Dict | |
4173 exp->_newopconst.Insert(ident, c); | |
4174 } | |
4175 else if (_curchar != ';') { // If no constructor, need a ; | |
4176 parse_err(SYNERR, "Missing ; in expand rule operand declaration\n"); | |
4177 continue; | |
4178 } | |
4179 else next_char(); // Skip the ; | |
4180 skipws(); | |
4181 } | |
4182 else { | |
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4183 assert(parse_ins, "sanity"); |
0 | 4184 // Add instruction to list |
4185 instr_and_operands = new NameAndList(ident); | |
4186 // Grab operands, build nameList of them, and then put into dictionary | |
4187 skipws(); | |
4188 if (_curchar != '(') { // Check for parenthesized operand list | |
4189 parse_err(SYNERR, "missing '(' in expand instruction declaration\n"); | |
4190 continue; | |
4191 } | |
4192 do { | |
4193 next_char(); // skip open paren & comma characters | |
4194 skipws(); | |
4195 if (_curchar == ')') break; | |
4196 ident2 = get_ident(); | |
4197 skipws(); | |
4198 if (ident2 == NULL) { | |
4199 parse_err(SYNERR, "identifier expected at %c\n", _curchar); | |
4200 continue; | |
4201 } // Check that you have a valid operand | |
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4202 const Form *form2 = instr->_localNames[ident2]; |
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4203 if (!form2) { |
0 | 4204 parse_err(SYNERR, "operand name expected at %s\n", ident2); |
4205 continue; | |
4206 } | |
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4207 OperandForm *oper = form2->is_operand(); |
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4208 if (oper == NULL && !form2->is_opclass()) { |
0 | 4209 parse_err(SYNERR, "operand name expected at %s\n", ident2); |
4210 continue; | |
4211 } // Add operand to list | |
4212 instr_and_operands->add_entry(ident2); | |
4213 } while(_curchar == ','); | |
4214 if (_curchar != ')') { | |
4215 parse_err(SYNERR, "missing ')'in expand instruction declaration\n"); | |
4216 continue; | |
4217 } | |
4218 next_char(); | |
4219 if (_curchar != ';') { | |
4220 parse_err(SYNERR, "missing ';'in expand instruction declaration\n"); | |
4221 continue; | |
4222 } | |
4223 next_char(); | |
4224 | |
4225 // Record both instruction name and its operand list | |
4226 exp->add_instruction(instr_and_operands); | |
4227 | |
4228 skipws(); | |
4229 } | |
4230 | |
4231 } while(_curchar != '%'); | |
4232 next_char(); | |
4233 if (_curchar != '}') { | |
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4234 parse_err(SYNERR, "missing '%%}' in expand rule definition\n"); |
0 | 4235 return(NULL); |
4236 } | |
4237 next_char(); | |
4238 | |
4239 // Debug Stuff | |
4240 if (_AD._adl_debug > 1) fprintf(stderr,"Expand Rule:\n"); | |
4241 | |
4242 skipws(); | |
4243 return (exp); | |
4244 } | |
4245 | |
4246 //------------------------------rewrite_parse---------------------------------- | |
4247 RewriteRule* ADLParser::rewrite_parse(void) { | |
4248 char* params = NULL; | |
4249 char* desc = NULL; | |
4250 | |
4251 | |
4252 // This feature targeted for second generation description language. | |
4253 | |
4254 skipws(); // Skip whitespace | |
4255 // Get parameters for rewrite | |
4256 if ((params = get_paren_expr("rewrite parameters")) == NULL) { | |
4257 parse_err(SYNERR, "missing '(' in rewrite rule\n"); | |
4258 return NULL; | |
4259 } | |
4260 // Debug Stuff | |
4261 if (_AD._adl_debug > 1) fprintf(stderr,"Rewrite parameters: %s\n", params); | |
4262 | |
4263 // For now, grab entire block; | |
4264 skipws(); | |
4265 if ( (desc = find_cpp_block("rewrite block")) == NULL ) { | |
4266 parse_err(SYNERR, "incorrect or missing block for 'rewrite'.\n"); | |
4267 return NULL; | |
4268 } | |
4269 // Debug Stuff | |
4270 if (_AD._adl_debug > 1) fprintf(stderr,"Rewrite Rule: %s\n", desc); | |
4271 | |
4272 skipws(); | |
4273 return (new RewriteRule(params,desc)); | |
4274 } | |
4275 | |
4276 //------------------------------attr_parse------------------------------------- | |
4277 Attribute *ADLParser::attr_parse(char* ident) { | |
4278 Attribute *attrib; // Attribute class | |
4279 char *cost = NULL; // String representation of cost attribute | |
4280 | |
4281 skipws(); // Skip leading whitespace | |
4282 if ( (cost = get_paren_expr("attribute")) == NULL ) { | |
4283 parse_err(SYNERR, "incorrect or missing expression for 'attribute'\n"); | |
4284 return NULL; | |
4285 } | |
4286 // Debug Stuff | |
4287 if (_AD._adl_debug > 1) fprintf(stderr,"Attribute: %s\n", cost); | |
4288 if (_curchar != ';') { | |
4289 parse_err(SYNERR, "missing ';' in attribute definition\n"); | |
4290 return NULL; | |
4291 } | |
4292 next_char(); // Point after the terminator | |
4293 | |
4294 skipws(); | |
4295 attrib = new Attribute(ident,cost,INS_ATTR); // Build new predicate object | |
4296 return attrib; | |
4297 } | |
4298 | |
4299 | |
4300 //------------------------------matchNode_parse-------------------------------- | |
4301 MatchNode *ADLParser::matchNode_parse(FormDict &operands, int &depth, int &numleaves, bool atroot) { | |
4302 // Count depth of parenthesis nesting for both left and right children | |
4303 int lParens = depth; | |
4304 int rParens = depth; | |
4305 | |
4306 // MatchNode objects for left, right, and root of subtree. | |
4307 MatchNode *lChild = NULL; | |
4308 MatchNode *rChild = NULL; | |
4309 char *token; // Identifier which may be opcode or operand | |
4310 | |
4311 // Match expression starts with a '(' | |
4312 if (cur_char() != '(') | |
4313 return NULL; | |
4314 | |
4315 next_char(); // advance past '(' | |
4316 | |
4317 // Parse the opcode | |
4318 token = get_ident(); // Get identifier, opcode | |
4319 if (token == NULL) { | |
4320 parse_err(SYNERR, "missing opcode in match expression\n"); | |
4321 return NULL; | |
4322 } | |
4323 | |
4324 // Take note if we see one of a few special operations - those that are | |
4325 // treated differently on different architectures in the sense that on | |
4326 // one architecture there is a match rule and on another there isn't (so | |
4327 // a call will eventually be generated). | |
4328 | |
4329 for (int i = _last_machine_leaf + 1; i < _last_opcode; i++) { | |
4330 if (strcmp(token, NodeClassNames[i]) == 0) { | |
4331 _AD.has_match_rule(i, true); | |
4332 } | |
4333 } | |
4334 | |
4335 // Lookup the root value in the operands dict to perform substitution | |
4336 const char *result = NULL; // Result type will be filled in later | |
4337 const char *name = token; // local name associated with this node | |
4338 const char *operation = token; // remember valid operation for later | |
4339 const Form *form = operands[token]; | |
4340 OpClassForm *opcForm = form ? form->is_opclass() : NULL; | |
4341 if (opcForm != NULL) { | |
4342 // If this token is an entry in the local names table, record its type | |
4343 if (!opcForm->ideal_only()) { | |
4344 operation = opcForm->_ident; | |
4345 result = operation; // Operands result in their own type | |
4346 } | |
4347 // Otherwise it is an ideal type, and so, has no local name | |
4348 else name = NULL; | |
4349 } | |
4350 | |
4351 // Parse the operands | |
4352 skipws(); | |
4353 if (cur_char() != ')') { | |
4354 | |
4355 // Parse the left child | |
4356 if (strcmp(operation,"Set")) | |
4357 lChild = matchChild_parse(operands, lParens, numleaves, false); | |
4358 else | |
4359 lChild = matchChild_parse(operands, lParens, numleaves, true); | |
4360 | |
4361 skipws(); | |
4362 if (cur_char() != ')' ) { | |
4363 if(strcmp(operation, "Set")) | |
4364 rChild = matchChild_parse(operands,rParens,numleaves,false); | |
4365 else | |
4366 rChild = matchChild_parse(operands,rParens,numleaves,true); | |
4367 } | |
4368 } | |
4369 | |
4370 // Check for required ')' | |
4371 skipws(); | |
4372 if (cur_char() != ')') { | |
4373 parse_err(SYNERR, "missing ')' in match expression\n"); | |
4374 return NULL; | |
4375 } | |
4376 next_char(); // skip the ')' | |
4377 | |
4378 MatchNode* mroot = new MatchNode(_AD,result,name,operation,lChild,rChild); | |
4379 | |
4380 // If not the root, reduce this subtree to an internal operand | |
4381 if (!atroot) { | |
4382 mroot->build_internalop(); | |
4383 } | |
4384 // depth is greater of left and right paths. | |
4385 depth = (lParens > rParens) ? lParens : rParens; | |
4386 | |
4387 return mroot; | |
4388 } | |
4389 | |
4390 | |
4391 //------------------------------matchChild_parse------------------------------- | |
4392 MatchNode *ADLParser::matchChild_parse(FormDict &operands, int &parens, int &numleaves, bool atroot) { | |
4393 MatchNode *child = NULL; | |
4394 const char *result = NULL; | |
4395 const char *token = NULL; | |
4396 const char *opType = NULL; | |
4397 | |
4398 if (cur_char() == '(') { // child is an operation | |
4399 ++parens; | |
4400 child = matchNode_parse(operands, parens, numleaves, atroot); | |
4401 } | |
4402 else { // child is an operand | |
4403 token = get_ident(); | |
4404 const Form *form = operands[token]; | |
4405 OpClassForm *opcForm = form ? form->is_opclass() : NULL; | |
4406 if (opcForm != NULL) { | |
4407 opType = opcForm->_ident; | |
4408 result = opcForm->_ident; // an operand's result matches its type | |
4409 } else { | |
4410 parse_err(SYNERR, "undefined operand %s in match rule\n", token); | |
4411 return NULL; | |
4412 } | |
4413 | |
4414 if (opType == NULL) { | |
4415 parse_err(SYNERR, "missing type for argument '%s'\n", token); | |
4416 } | |
4417 | |
4418 child = new MatchNode(_AD, result, token, opType); | |
4419 ++numleaves; | |
4420 } | |
4421 | |
4422 return child; | |
4423 } | |
4424 | |
4425 | |
4426 | |
4427 // ******************** Private Utility Functions ************************* | |
4428 | |
4429 | |
4430 char* ADLParser::find_cpp_block(const char* description) { | |
4431 char *next; // Pointer for finding block delimiters | |
4432 char* cppBlock = NULL; // Beginning of C++ code block | |
4433 | |
4434 if (_curchar == '%') { // Encoding is a C++ expression | |
4435 next_char(); | |
4436 if (_curchar != '{') { | |
4437 parse_err(SYNERR, "missing '{' in %s \n", description); | |
4438 return NULL; | |
4439 } | |
4440 next_char(); // Skip block delimiter | |
4441 skipws_no_preproc(); // Skip leading whitespace | |
4442 cppBlock = _ptr; // Point to start of expression | |
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4443 int line = linenum(); |
0 | 4444 next = _ptr + 1; |
4445 while(((_curchar != '%') || (*next != '}')) && (_curchar != '\0')) { | |
4446 next_char_or_line(); | |
4447 next = _ptr+1; // Maintain the next pointer | |
4448 } // Grab string | |
4449 if (_curchar == '\0') { | |
4450 parse_err(SYNERR, "invalid termination of %s \n", description); | |
4451 return NULL; | |
4452 } | |
4453 *_ptr = '\0'; // Terminate string | |
4454 _ptr += 2; // Skip block delimiter | |
4455 _curchar = *_ptr; // Maintain invariant | |
4456 | |
4457 // Prepend location descriptor, for debugging. | |
475
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4458 if (_AD._adlocation_debug) { |
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4459 char* location = get_line_string(line); |
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4460 char* end_loc = end_line_marker(); |
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4461 char* result = (char *)malloc(strlen(location) + strlen(cppBlock) + strlen(end_loc) + 1); |
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4462 strcpy(result, location); |
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4463 strcat(result, cppBlock); |
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4464 strcat(result, end_loc); |
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4465 cppBlock = result; |
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4466 free(location); |
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4467 } |
0 | 4468 } |
4469 | |
4470 return cppBlock; | |
4471 } | |
4472 | |
4473 // Move to the closing token of the expression we are currently at, | |
4474 // as defined by stop_chars. Match parens and quotes. | |
4475 char* ADLParser::get_expr(const char *desc, const char *stop_chars) { | |
4476 char* expr = NULL; | |
4477 int paren = 0; | |
4478 | |
4479 expr = _ptr; | |
4480 while (paren > 0 || !strchr(stop_chars, _curchar)) { | |
4481 if (_curchar == '(') { // Down level of nesting | |
4482 paren++; // Bump the parenthesis counter | |
4483 next_char(); // maintain the invariant | |
4484 } | |
4485 else if (_curchar == ')') { // Up one level of nesting | |
4486 if (paren == 0) { | |
4487 // Paren underflow: We didn't encounter the required stop-char. | |
4488 parse_err(SYNERR, "too many )'s, did not find %s after %s\n", | |
4489 stop_chars, desc); | |
4490 return NULL; | |
4491 } | |
4492 paren--; // Drop the parenthesis counter | |
4493 next_char(); // Maintain the invariant | |
4494 } | |
4495 else if (_curchar == '"' || _curchar == '\'') { | |
4496 int qchar = _curchar; | |
4497 while (true) { | |
4498 next_char(); | |
4499 if (_curchar == qchar) { next_char(); break; } | |
4500 if (_curchar == '\\') next_char(); // superquote | |
4501 if (_curchar == '\n' || _curchar == '\0') { | |
4502 parse_err(SYNERR, "newline in string in %s\n", desc); | |
4503 return NULL; | |
4504 } | |
4505 } | |
4506 } | |
4507 else if (_curchar == '%' && (_ptr[1] == '{' || _ptr[1] == '}')) { | |
4508 // Make sure we do not stray into the next ADLC-level form. | |
4509 parse_err(SYNERR, "unexpected %%%c in %s\n", _ptr[1], desc); | |
4510 return NULL; | |
4511 } | |
4512 else if (_curchar == '\0') { | |
4513 parse_err(SYNERR, "unexpected EOF in %s\n", desc); | |
4514 return NULL; | |
4515 } | |
4516 else { | |
4517 // Always walk over whitespace, comments, preprocessor directives, etc. | |
4518 char* pre_skip_ptr = _ptr; | |
4519 skipws(); | |
4520 // If the parser declined to make progress on whitespace, | |
4521 // skip the next character, which is therefore NOT whitespace. | |
4522 if (pre_skip_ptr == _ptr) { | |
4523 next_char(); | |
4524 } else if (pre_skip_ptr+strlen(pre_skip_ptr) != _ptr+strlen(_ptr)) { | |
4525 parse_err(SYNERR, "unimplemented: preprocessor must not elide subexpression in %s", desc); | |
4526 } | |
4527 } | |
4528 } | |
4529 | |
4530 assert(strchr(stop_chars, _curchar), "non-null return must be at stop-char"); | |
4531 *_ptr = '\0'; // Replace ')' or other stop-char with '\0' | |
4532 return expr; | |
4533 } | |
4534 | |
4535 // Helper function around get_expr | |
4536 // Sets _curchar to '(' so that get_paren_expr will search for a matching ')' | |
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4537 char *ADLParser::get_paren_expr(const char *description, bool include_location) { |
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4538 int line = linenum(); |
0 | 4539 if (_curchar != '(') // Escape if not valid starting position |
4540 return NULL; | |
4541 next_char(); // Skip the required initial paren. | |
4542 char *token2 = get_expr(description, ")"); | |
4543 if (_curchar == ')') | |
4544 next_char(); // Skip required final paren. | |
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4545 int junk = 0; |
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4546 if (include_location && _AD._adlocation_debug && !is_int_token(token2, junk)) { |
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4547 // Prepend location descriptor, for debugging. |
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4548 char* location = get_line_string(line); |
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4549 char* end_loc = end_line_marker(); |
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4550 char* result = (char *)malloc(strlen(location) + strlen(token2) + strlen(end_loc) + 1); |
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4551 strcpy(result, location); |
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4552 strcat(result, token2); |
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4553 strcat(result, end_loc); |
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4554 token2 = result; |
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4555 free(location); |
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4556 } |
0 | 4557 return token2; |
4558 } | |
4559 | |
4560 //------------------------------get_ident_common------------------------------- | |
4561 // Looks for an identifier in the buffer, and turns it into a null terminated | |
4562 // string(still inside the file buffer). Returns a pointer to the string or | |
4563 // NULL if some other token is found instead. | |
4564 char *ADLParser::get_ident_common(bool do_preproc) { | |
4565 register char c; | |
4566 char *start; // Pointer to start of token | |
4567 char *end; // Pointer to end of token | |
4568 | |
4569 if( _curline == NULL ) // Return NULL at EOF. | |
4570 return NULL; | |
4571 | |
4572 skipws_common(do_preproc); // Skip whitespace before identifier | |
4573 start = end = _ptr; // Start points at first character | |
4574 end--; // unwind end by one to prepare for loop | |
4575 do { | |
4576 end++; // Increment end pointer | |
4577 c = *end; // Grab character to test | |
4578 } while ( ((c >= 'a') && (c <= 'z')) || ((c >= 'A') && (c <= 'Z')) | |
4579 || ((c >= '0') && (c <= '9')) | |
4580 || ((c == '_')) || ((c == ':')) || ((c == '#')) ); | |
4581 if (start == end) { // We popped out on the first try | |
6850 | 4582 // It can occur that `start' contains the rest of the input file. |
4583 // In this case the output should be truncated. | |
4584 if (strlen(start) > 24) { | |
4585 char buf[32]; | |
4586 strncpy(buf, start, 20); | |
4587 buf[20] = '\0'; | |
4588 strcat(buf, "[...]"); | |
4589 parse_err(SYNERR, "Identifier expected, but found '%s'.", buf); | |
4590 } else { | |
4591 parse_err(SYNERR, "Identifier expected, but found '%s'.", start); | |
4592 } | |
0 | 4593 start = NULL; |
4594 } | |
4595 else { | |
4596 _curchar = c; // Save the first character of next token | |
4597 *end = '\0'; // NULL terminate the string in place | |
4598 } | |
4599 _ptr = end; // Reset _ptr to point to next char after token | |
4600 | |
4601 // Make sure we do not try to use #defined identifiers. If start is | |
4602 // NULL an error was already reported. | |
4603 if (do_preproc && start != NULL) { | |
4604 const char* def = _AD.get_preproc_def(start); | |
4605 if (def != NULL && strcmp(def, start)) { | |
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4606 const char* def1 = def; |
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4607 const char* def2 = _AD.get_preproc_def(def1); |
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4608 // implement up to 2 levels of #define |
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diff
changeset
|
4609 if (def2 != NULL && strcmp(def2, def1)) { |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4610 def = def2; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4611 const char* def3 = _AD.get_preproc_def(def2); |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4612 if (def3 != NULL && strcmp(def3, def2) && strcmp(def3, def1)) { |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4613 parse_err(SYNERR, "unimplemented: using %s defined as %s => %s => %s", |
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6771309: debugging AD files is difficult without #line directives in generated code
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parents:
415
diff
changeset
|
4614 start, def1, def2, def3); |
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6771309: debugging AD files is difficult without #line directives in generated code
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parents:
415
diff
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|
4615 } |
0 | 4616 } |
4617 start = strdup(def); | |
4618 } | |
4619 } | |
4620 | |
4621 return start; // Pointer to token in filebuf | |
4622 } | |
4623 | |
4624 //------------------------------get_ident_dup---------------------------------- | |
4625 // Looks for an identifier in the buffer, and returns a duplicate | |
4626 // or NULL if some other token is found instead. | |
4627 char *ADLParser::get_ident_dup(void) { | |
4628 char *ident = get_ident(); | |
4629 | |
4630 // Duplicate an identifier before returning and restore string. | |
4631 if( ident != NULL ) { | |
4632 ident = strdup(ident); // Copy the string | |
4633 *_ptr = _curchar; // and replace Nil with original character | |
4634 } | |
4635 | |
4636 return ident; | |
4637 } | |
4638 | |
4639 //----------------------get_ident_or_literal_constant-------------------------- | |
4640 // Looks for an identifier in the buffer, or a parenthesized expression. | |
4641 char *ADLParser::get_ident_or_literal_constant(const char* description) { | |
4642 char* param = NULL; | |
4643 skipws(); | |
4644 if (_curchar == '(') { | |
4645 // Grab a constant expression. | |
4646 param = get_paren_expr(description); | |
4647 if (param[0] != '(') { | |
4648 char* buf = (char*) malloc(strlen(param) + 3); | |
4649 sprintf(buf, "(%s)", param); | |
4650 param = buf; | |
4651 } | |
4652 assert(is_literal_constant(param), | |
4653 "expr must be recognizable as a constant"); | |
4654 } else { | |
4655 param = get_ident(); | |
4656 } | |
4657 return param; | |
4658 } | |
4659 | |
4660 //------------------------------get_rep_var_ident----------------------------- | |
4661 // Do NOT duplicate, | |
4662 // Leave nil terminator in buffer | |
4663 // Preserve initial '$'(s) in string | |
4664 char *ADLParser::get_rep_var_ident(void) { | |
4665 // Remember starting point | |
4666 char *rep_var = _ptr; | |
4667 | |
4668 // Check for replacement variable indicator '$' and pass if present | |
4669 if ( _curchar == '$' ) { | |
4670 next_char(); | |
4671 } | |
4672 // Check for a subfield indicator, a second '$', and pass if present | |
4673 if ( _curchar == '$' ) { | |
4674 next_char(); | |
4675 } | |
4676 | |
4677 // Check for a control indicator, a third '$': | |
4678 if ( _curchar == '$' ) { | |
4679 next_char(); | |
4680 } | |
4681 | |
4682 // Check for more than three '$'s in sequence, SYNERR | |
4683 if( _curchar == '$' ) { | |
4684 parse_err(SYNERR, "Replacement variables and field specifiers can not start with '$$$$'"); | |
4685 next_char(); | |
4686 return NULL; | |
4687 } | |
4688 | |
4689 // Nil terminate the variable name following the '$' | |
4690 char *rep_var_name = get_ident(); | |
4691 assert( rep_var_name != NULL, | |
4692 "Missing identifier after replacement variable indicator '$'"); | |
4693 | |
4694 return rep_var; | |
4695 } | |
4696 | |
4697 | |
4698 | |
4699 //------------------------------get_rep_var_ident_dup------------------------- | |
4700 // Return the next replacement variable identifier, skipping first '$' | |
4701 // given a pointer into a line of the buffer. | |
4702 // Null terminates string, still inside the file buffer, | |
4703 // Returns a pointer to a copy of the string, or NULL on failure | |
4704 char *ADLParser::get_rep_var_ident_dup(void) { | |
4705 if( _curchar != '$' ) return NULL; | |
4706 | |
4707 next_char(); // Move past the '$' | |
4708 char *rep_var = _ptr; // Remember starting point | |
4709 | |
4710 // Check for a subfield indicator, a second '$': | |
4711 if ( _curchar == '$' ) { | |
4712 next_char(); | |
4713 } | |
4714 | |
4715 // Check for a control indicator, a third '$': | |
4716 if ( _curchar == '$' ) { | |
4717 next_char(); | |
4718 } | |
4719 | |
4720 // Check for more than three '$'s in sequence, SYNERR | |
4721 if( _curchar == '$' ) { | |
4722 parse_err(SYNERR, "Replacement variables and field specifiers can not start with '$$$$'"); | |
4723 next_char(); | |
4724 return NULL; | |
4725 } | |
4726 | |
4727 // Nil terminate the variable name following the '$' | |
4728 char *rep_var_name = get_ident(); | |
4729 assert( rep_var_name != NULL, | |
4730 "Missing identifier after replacement variable indicator '$'"); | |
4731 rep_var = strdup(rep_var); // Copy the string | |
4732 *_ptr = _curchar; // and replace Nil with original character | |
4733 | |
4734 return rep_var; | |
4735 } | |
4736 | |
4737 | |
4738 //------------------------------get_unique_ident------------------------------ | |
4739 // Looks for an identifier in the buffer, terminates it with a NULL, | |
4740 // and checks that it is unique | |
4741 char *ADLParser::get_unique_ident(FormDict& dict, const char* nameDescription){ | |
4742 char* ident = get_ident(); | |
4743 | |
4744 if (ident == NULL) { | |
4745 parse_err(SYNERR, "missing %s identifier at %c\n", nameDescription, _curchar); | |
4746 } | |
4747 else { | |
4748 if (dict[ident] != NULL) { | |
4749 parse_err(SYNERR, "duplicate name %s for %s\n", ident, nameDescription); | |
4750 ident = NULL; | |
4751 } | |
4752 } | |
4753 | |
4754 return ident; | |
4755 } | |
4756 | |
4757 | |
4758 //------------------------------get_int---------------------------------------- | |
4759 // Looks for a character string integer in the buffer, and turns it into an int | |
4760 // invokes a parse_err if the next token is not an integer. | |
4761 // This routine does not leave the integer null-terminated. | |
4762 int ADLParser::get_int(void) { | |
4763 register char c; | |
4764 char *start; // Pointer to start of token | |
4765 char *end; // Pointer to end of token | |
4766 int result; // Storage for integer result | |
4767 | |
4768 if( _curline == NULL ) // Return NULL at EOF. | |
603
dbbe28fc66b5
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twisti
parents:
488
diff
changeset
|
4769 return 0; |
0 | 4770 |
4771 skipws(); // Skip whitespace before identifier | |
4772 start = end = _ptr; // Start points at first character | |
4773 c = *end; // Grab character to test | |
4774 while ((c >= '0') && (c <= '9') | |
4775 || ((c == '-') && (end == start))) { | |
4776 end++; // Increment end pointer | |
4777 c = *end; // Grab character to test | |
4778 } | |
4779 if (start == end) { // We popped out on the first try | |
4780 parse_err(SYNERR, "integer expected at %c\n", c); | |
4781 result = 0; | |
4782 } | |
4783 else { | |
4784 _curchar = c; // Save the first character of next token | |
4785 *end = '\0'; // NULL terminate the string in place | |
4786 result = atoi(start); // Convert the string to an integer | |
4787 *end = _curchar; // Restore buffer to original condition | |
4788 } | |
4789 | |
4790 // Reset _ptr to next char after token | |
4791 _ptr = end; | |
4792 | |
4793 return result; // integer | |
4794 } | |
4795 | |
4796 | |
4797 //------------------------------get_relation_dup------------------------------ | |
4798 // Looks for a relational operator in the buffer | |
4799 // invokes a parse_err if the next token is not a relation | |
4800 // This routine creates a duplicate of the string in the buffer. | |
4801 char *ADLParser::get_relation_dup(void) { | |
4802 char *result = NULL; // relational operator being returned | |
4803 | |
4804 if( _curline == NULL ) // Return NULL at EOF. | |
4805 return NULL; | |
4806 | |
4807 skipws(); // Skip whitespace before relation | |
4808 char *start = _ptr; // Store start of relational operator | |
4809 char first = *_ptr; // the first character | |
4810 if( (first == '=') || (first == '!') || (first == '<') || (first == '>') ) { | |
4811 next_char(); | |
4812 char second = *_ptr; // the second character | |
4813 if( (second == '=') ) { | |
4814 next_char(); | |
4815 char tmp = *_ptr; | |
4816 *_ptr = '\0'; // NULL terminate | |
4817 result = strdup(start); // Duplicate the string | |
4818 *_ptr = tmp; // restore buffer | |
4819 } else { | |
4820 parse_err(SYNERR, "relational operator expected at %s\n", _ptr); | |
4821 } | |
4822 } else { | |
4823 parse_err(SYNERR, "relational operator expected at %s\n", _ptr); | |
4824 } | |
4825 | |
4826 return result; | |
4827 } | |
4828 | |
4829 | |
4830 | |
4831 //------------------------------get_oplist------------------------------------- | |
4832 // Looks for identifier pairs where first must be the name of an operand, and | |
4833 // second must be a name unique in the scope of this instruction. Stores the | |
4834 // names with a pointer to the OpClassForm of their type in a local name table. | |
4835 void ADLParser::get_oplist(NameList ¶meters, FormDict &operands) { | |
4836 OpClassForm *opclass = NULL; | |
4837 char *ident = NULL; | |
4838 | |
4839 do { | |
4840 next_char(); // skip open paren & comma characters | |
4841 skipws(); | |
4842 if (_curchar == ')') break; | |
4843 | |
4844 // Get operand type, and check it against global name table | |
4845 ident = get_ident(); | |
4846 if (ident == NULL) { | |
4847 parse_err(SYNERR, "optype identifier expected at %c\n", _curchar); | |
4848 return; | |
4849 } | |
4850 else { | |
4851 const Form *form = _globalNames[ident]; | |
4852 if( form == NULL ) { | |
4853 parse_err(SYNERR, "undefined operand type %s\n", ident); | |
4854 return; | |
4855 } | |
4856 | |
4857 // Check for valid operand type | |
4858 OpClassForm *opc = form->is_opclass(); | |
4859 OperandForm *oper = form->is_operand(); | |
4860 if((oper == NULL) && (opc == NULL)) { | |
4861 parse_err(SYNERR, "identifier %s not operand type\n", ident); | |
4862 return; | |
4863 } | |
4864 opclass = opc; | |
4865 } | |
4866 // Debugging Stuff | |
4867 if (_AD._adl_debug > 1) fprintf(stderr, "\tOperand Type: %s\t", ident); | |
4868 | |
4869 // Get name of operand and add it to local name table | |
4870 if( (ident = get_unique_ident(operands, "operand")) == NULL) { | |
4871 return; | |
4872 } | |
4873 // Parameter names must not be global names. | |
4874 if( _globalNames[ident] != NULL ) { | |
4875 parse_err(SYNERR, "Reuse of global name %s as operand.\n",ident); | |
4876 return; | |
4877 } | |
4878 operands.Insert(ident, opclass); | |
4879 parameters.addName(ident); | |
4880 | |
4881 // Debugging Stuff | |
4882 if (_AD._adl_debug > 1) fprintf(stderr, "\tOperand Name: %s\n", ident); | |
4883 skipws(); | |
4884 } while(_curchar == ','); | |
4885 | |
4886 if (_curchar != ')') parse_err(SYNERR, "missing ')'\n"); | |
4887 else { | |
4888 next_char(); // set current character position past the close paren | |
4889 } | |
4890 } | |
4891 | |
4892 | |
4893 //------------------------------get_effectlist--------------------------------- | |
4894 // Looks for identifier pairs where first must be the name of a pre-defined, | |
4895 // effect, and the second must be the name of an operand defined in the | |
4896 // operand list of this instruction. Stores the names with a pointer to the | |
4897 // effect form in a local effects table. | |
4120
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
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4114
diff
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|
4898 void ADLParser::get_effectlist(FormDict &effects, FormDict &operands, bool& has_call) { |
0 | 4899 OperandForm *opForm; |
4900 Effect *eForm; | |
4901 char *ident; | |
4902 | |
4903 do { | |
4904 next_char(); // skip open paren & comma characters | |
4905 skipws(); | |
4906 if (_curchar == ')') break; | |
4907 | |
4908 // Get effect type, and check it against global name table | |
4909 ident = get_ident(); | |
4910 if (ident == NULL) { | |
4911 parse_err(SYNERR, "effect type identifier expected at %c\n", _curchar); | |
4912 return; | |
4913 } | |
4914 else { | |
4915 // Check for valid effect type | |
4916 const Form *form = _globalNames[ident]; | |
4917 if( form == NULL ) { | |
4918 parse_err(SYNERR, "undefined effect type %s\n", ident); | |
4919 return; | |
4920 } | |
4921 else { | |
4922 if( (eForm = form->is_effect()) == NULL) { | |
4923 parse_err(SYNERR, "identifier %s not effect type\n", ident); | |
4924 return; | |
4925 } | |
4926 } | |
4927 } | |
4928 // Debugging Stuff | |
4929 if (_AD._adl_debug > 1) fprintf(stderr, "\tEffect Type: %s\t", ident); | |
4930 skipws(); | |
4120
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4931 if (eForm->is(Component::CALL)) { |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4932 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
|
4933 has_call = true; |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4934 } else { |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4935 // 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
|
4936 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
|
4937 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
|
4938 return; |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4939 } |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4940 const Form *form = operands[ident]; |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4941 opForm = form ? form->is_operand() : NULL; |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4942 if( opForm == NULL ) { |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4943 if( form && form->is_opclass() ) { |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4944 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
|
4945 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
|
4946 } else { |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4947 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
|
4948 } |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4949 return; |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4950 } |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4951 // Add the pair to the effects table |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
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4114
diff
changeset
|
4952 effects.Insert(ident, eForm); |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4953 // Debugging Stuff |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4954 if (_AD._adl_debug > 1) fprintf(stderr, "\tOperand Name: %s\n", ident); |
0 | 4955 } |
4956 skipws(); | |
4957 } while(_curchar == ','); | |
4958 | |
4959 if (_curchar != ')') parse_err(SYNERR, "missing ')'\n"); | |
4960 else { | |
4961 next_char(); // set current character position past the close paren | |
4962 } | |
4963 } | |
4964 | |
4965 | |
475
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
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parents:
415
diff
changeset
|
4966 //-------------------------------preproc_line---------------------------------- |
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6771309: debugging AD files is difficult without #line directives in generated code
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415
diff
changeset
|
4967 // 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
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415
diff
changeset
|
4968 void ADLParser::preproc_line(void) { |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4969 int line = get_int(); |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4970 skipws_no_preproc(); |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4971 const char* file = NULL; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4972 if (_curchar == '"') { |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4973 next_char(); // Move past the initial '"' |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4974 file = _ptr; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4975 while (true) { |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4976 if (_curchar == '\n') { |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4977 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
|
4978 return; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4979 } |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4980 if (_curchar == '"') { |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4981 *_ptr = '\0'; // Terminate the string |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4982 next_char(); |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4983 skipws_no_preproc(); |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4984 break; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4985 } |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4986 next_char(); |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4987 } |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4988 } |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4989 ensure_end_of_line(); |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4990 if (file != NULL) |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
4991 _AD._ADL_file._name = file; |
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4992 _buf.set_linenum(line); |
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4993 } |
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4994 |
0 | 4995 //------------------------------preproc_define--------------------------------- |
4996 // A "#define" keyword has been seen, so parse the rest of the line. | |
4997 void ADLParser::preproc_define(void) { | |
4998 char* flag = get_ident_no_preproc(); | |
4999 skipws_no_preproc(); | |
5000 // only #define x y is supported for now | |
5001 char* def = get_ident_no_preproc(); | |
5002 _AD.set_preproc_def(flag, def); | |
5003 skipws_no_preproc(); | |
5004 if (_curchar != '\n') { | |
5005 parse_err(SYNERR, "non-identifier in preprocessor definition\n"); | |
5006 } | |
5007 } | |
5008 | |
5009 //------------------------------preproc_undef---------------------------------- | |
5010 // An "#undef" keyword has been seen, so parse the rest of the line. | |
5011 void ADLParser::preproc_undef(void) { | |
5012 char* flag = get_ident_no_preproc(); | |
5013 skipws_no_preproc(); | |
5014 ensure_end_of_line(); | |
5015 _AD.set_preproc_def(flag, NULL); | |
5016 } | |
5017 | |
5018 | |
5019 | |
5020 //------------------------------parse_err-------------------------------------- | |
5021 // Issue a parser error message, and skip to the end of the current line | |
5022 void ADLParser::parse_err(int flag, const char *fmt, ...) { | |
5023 va_list args; | |
5024 | |
5025 va_start(args, fmt); | |
5026 if (flag == 1) | |
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5027 _AD._syntax_errs += _AD.emit_msg(0, flag, linenum(), fmt, args); |
0 | 5028 else if (flag == 2) |
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5029 _AD._semantic_errs += _AD.emit_msg(0, flag, linenum(), fmt, args); |
0 | 5030 else |
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5031 _AD._warnings += _AD.emit_msg(0, flag, linenum(), fmt, args); |
0 | 5032 |
5033 int error_char = _curchar; | |
5034 char* error_ptr = _ptr+1; | |
5035 for(;*_ptr != '\n'; _ptr++) ; // Skip to the end of the current line | |
5036 _curchar = '\n'; | |
5037 va_end(args); | |
5038 _AD._no_output = 1; | |
5039 | |
5040 if (flag == 1) { | |
5041 char* error_tail = strchr(error_ptr, '\n'); | |
5042 char tem = *error_ptr; | |
5043 error_ptr[-1] = '\0'; | |
5044 char* error_head = error_ptr-1; | |
5045 while (error_head > _curline && *error_head) --error_head; | |
5046 if (error_tail) *error_tail = '\0'; | |
5047 fprintf(stderr, "Error Context: %s>>>%c<<<%s\n", | |
5048 error_head, error_char, error_ptr); | |
5049 if (error_tail) *error_tail = '\n'; | |
5050 error_ptr[-1] = tem; | |
5051 } | |
5052 } | |
5053 | |
5054 //---------------------------ensure_start_of_line------------------------------ | |
5055 // A preprocessor directive has been encountered. Be sure it has fallen at | |
605 | 5056 // the beginning of a line, or else report an error. |
0 | 5057 void ADLParser::ensure_start_of_line(void) { |
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5058 if (_curchar == '\n') { next_line(); return; } |
0 | 5059 assert( _ptr >= _curline && _ptr < _curline+strlen(_curline), |
5060 "Must be able to find which line we are in" ); | |
5061 | |
5062 for (char *s = _curline; s < _ptr; s++) { | |
5063 if (*s > ' ') { | |
5064 parse_err(SYNERR, "'%c' must be at beginning of line\n", _curchar); | |
5065 break; | |
5066 } | |
5067 } | |
5068 } | |
5069 | |
5070 //---------------------------ensure_end_of_line-------------------------------- | |
5071 // A preprocessor directive has been parsed. Be sure there is no trailing | |
5072 // garbage at the end of this line. Set the scan point to the beginning of | |
5073 // the next line. | |
5074 void ADLParser::ensure_end_of_line(void) { | |
5075 skipws_no_preproc(); | |
5076 if (_curchar != '\n' && _curchar != '\0') { | |
5077 parse_err(SYNERR, "garbage char '%c' at end of line\n", _curchar); | |
5078 } else { | |
5079 next_char_or_line(); | |
5080 } | |
5081 } | |
5082 | |
5083 //---------------------------handle_preproc------------------------------------ | |
5084 // The '#' character introducing a preprocessor directive has been found. | |
5085 // Parse the whole directive name (e.g., #define, #endif) and take appropriate | |
5086 // action. If we are in an "untaken" span of text, simply keep track of | |
5087 // #ifdef nesting structure, so we can find out when to start taking text | |
5088 // again. (In this state, we "sort of support" C's #if directives, enough | |
5089 // to disregard their associated #else and #endif lines.) If we are in a | |
5090 // "taken" span of text, there are two cases: "#define" and "#undef" | |
5091 // directives are preserved and passed up to the caller, which eventually | |
5092 // passes control to the top-level parser loop, which handles #define and | |
5093 // #undef directly. (This prevents these directives from occurring in | |
5094 // arbitrary positions in the AD file--we require better structure than C.) | |
5095 // In the other case, and #ifdef, #ifndef, #else, or #endif is silently | |
5096 // processed as whitespace, with the "taken" state of the text correctly | |
5097 // updated. This routine returns "false" exactly in the case of a "taken" | |
5098 // #define or #undef, which tells the caller that a preprocessor token | |
5099 // has appeared which must be handled explicitly by the parse loop. | |
5100 bool ADLParser::handle_preproc_token() { | |
5101 assert(*_ptr == '#', "must be at start of preproc"); | |
5102 ensure_start_of_line(); | |
5103 next_char(); | |
5104 skipws_no_preproc(); | |
5105 char* start_ident = _ptr; | |
5106 char* ident = (_curchar == '\n') ? NULL : get_ident_no_preproc(); | |
5107 if (ident == NULL) { | |
5108 parse_err(SYNERR, "expected preprocessor command, got end of line\n"); | |
5109 } else if (!strcmp(ident, "ifdef") || | |
5110 !strcmp(ident, "ifndef")) { | |
5111 char* flag = get_ident_no_preproc(); | |
5112 ensure_end_of_line(); | |
5113 // Test the identifier only if we are already in taken code: | |
5114 bool flag_def = preproc_taken() && (_AD.get_preproc_def(flag) != NULL); | |
5115 bool now_taken = !strcmp(ident, "ifdef") ? flag_def : !flag_def; | |
5116 begin_if_def(now_taken); | |
5117 } else if (!strcmp(ident, "if")) { | |
5118 if (preproc_taken()) | |
5119 parse_err(SYNERR, "unimplemented: #%s %s", ident, _ptr+1); | |
5120 next_line(); | |
5121 // Intelligently skip this nested C preprocessor directive: | |
5122 begin_if_def(true); | |
5123 } else if (!strcmp(ident, "else")) { | |
5124 ensure_end_of_line(); | |
5125 invert_if_def(); | |
5126 } else if (!strcmp(ident, "endif")) { | |
5127 ensure_end_of_line(); | |
5128 end_if_def(); | |
5129 } else if (preproc_taken()) { | |
5130 // pass this token up to the main parser as "#define" or "#undef" | |
5131 _ptr = start_ident; | |
5132 _curchar = *--_ptr; | |
5133 if( _curchar != '#' ) { | |
5134 parse_err(SYNERR, "no space allowed after # in #define or #undef"); | |
5135 assert(_curchar == '#', "no space allowed after # in #define or #undef"); | |
5136 } | |
5137 return false; | |
5138 } | |
5139 return true; | |
5140 } | |
5141 | |
5142 //---------------------------skipws_common------------------------------------- | |
5143 // Skip whitespace, including comments and newlines, while keeping an accurate | |
5144 // line count. | |
5145 // Maybe handle certain preprocessor constructs: #ifdef, #ifndef, #else, #endif | |
5146 void ADLParser::skipws_common(bool do_preproc) { | |
5147 char *start = _ptr; | |
5148 char *next = _ptr + 1; | |
5149 | |
5150 if (*_ptr == '\0') { | |
5151 // Check for string terminator | |
5152 if (_curchar > ' ') return; | |
5153 if (_curchar == '\n') { | |
5154 if (!do_preproc) return; // let caller handle the newline | |
5155 next_line(); | |
5156 _ptr = _curline; next = _ptr + 1; | |
5157 } | |
5158 else if (_curchar == '#' || | |
5159 (_curchar == '/' && (*next == '/' || *next == '*'))) { | |
5160 parse_err(SYNERR, "unimplemented: comment token in a funny place"); | |
5161 } | |
5162 } | |
5163 while(_curline != NULL) { // Check for end of file | |
5164 if (*_ptr == '\n') { // keep proper track of new lines | |
5165 if (!do_preproc) break; // let caller handle the newline | |
5166 next_line(); | |
5167 _ptr = _curline; next = _ptr + 1; | |
5168 } | |
5169 else if ((*_ptr == '/') && (*next == '/')) // C++ comment | |
5170 do { _ptr++; next++; } while(*_ptr != '\n'); // So go to end of line | |
5171 else if ((*_ptr == '/') && (*next == '*')) { // C comment | |
5172 _ptr++; next++; | |
5173 do { | |
5174 _ptr++; next++; | |
5175 if (*_ptr == '\n') { // keep proper track of new lines | |
5176 next_line(); // skip newlines within comments | |
5177 if (_curline == NULL) { // check for end of file | |
5178 parse_err(SYNERR, "end-of-file detected inside comment\n"); | |
5179 break; | |
5180 } | |
5181 _ptr = _curline; next = _ptr + 1; | |
5182 } | |
5183 } while(!((*_ptr == '*') && (*next == '/'))); // Go to end of comment | |
5184 _ptr = ++next; next++; // increment _ptr past comment end | |
5185 } | |
5186 else if (do_preproc && *_ptr == '#') { | |
5187 // Note that this calls skipws_common(false) recursively! | |
5188 bool preproc_handled = handle_preproc_token(); | |
5189 if (!preproc_handled) { | |
5190 if (preproc_taken()) { | |
5191 return; // short circuit | |
5192 } | |
5193 ++_ptr; // skip the preprocessor character | |
5194 } | |
5195 next = _ptr+1; | |
5196 } else if(*_ptr > ' ' && !(do_preproc && !preproc_taken())) { | |
5197 break; | |
5198 } | |
5199 else if (*_ptr == '"' || *_ptr == '\'') { | |
5200 assert(do_preproc, "only skip strings if doing preproc"); | |
5201 // skip untaken quoted string | |
5202 int qchar = *_ptr; | |
5203 while (true) { | |
5204 ++_ptr; | |
5205 if (*_ptr == qchar) { ++_ptr; break; } | |
5206 if (*_ptr == '\\') ++_ptr; | |
5207 if (*_ptr == '\n' || *_ptr == '\0') { | |
5208 parse_err(SYNERR, "newline in string"); | |
5209 break; | |
5210 } | |
5211 } | |
5212 next = _ptr + 1; | |
5213 } | |
5214 else { ++_ptr; ++next; } | |
5215 } | |
5216 if( _curline != NULL ) // at end of file _curchar isn't valid | |
5217 _curchar = *_ptr; // reset _curchar to maintain invariant | |
5218 } | |
5219 | |
5220 //---------------------------cur_char----------------------------------------- | |
5221 char ADLParser::cur_char() { | |
5222 return (_curchar); | |
5223 } | |
5224 | |
5225 //---------------------------next_char----------------------------------------- | |
5226 void ADLParser::next_char() { | |
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5227 if (_curchar == '\n') parse_err(WARN, "must call next_line!"); |
0 | 5228 _curchar = *++_ptr; |
5229 // if ( _curchar == '\n' ) { | |
5230 // next_line(); | |
5231 // } | |
5232 } | |
5233 | |
5234 //---------------------------next_char_or_line--------------------------------- | |
5235 void ADLParser::next_char_or_line() { | |
5236 if ( _curchar != '\n' ) { | |
5237 _curchar = *++_ptr; | |
5238 } else { | |
5239 next_line(); | |
5240 _ptr = _curline; | |
5241 _curchar = *_ptr; // maintain invariant | |
5242 } | |
5243 } | |
5244 | |
5245 //---------------------------next_line----------------------------------------- | |
5246 void ADLParser::next_line() { | |
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5247 _curline = _buf.get_line(); |
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5248 _curchar = ' '; |
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5249 } |
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5250 |
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5251 //------------------------get_line_string-------------------------------------- |
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5252 // Prepended location descriptor, for debugging. |
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5253 // Must return a malloced string (that can be freed if desired). |
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5254 char* ADLParser::get_line_string(int linenum) { |
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5255 const char* file = _AD._ADL_file._name; |
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5256 int line = linenum ? linenum : this->linenum(); |
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5257 char* location = (char *)malloc(strlen(file) + 100); |
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5258 sprintf(location, "\n#line %d \"%s\"\n", line, file); |
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5259 return location; |
0 | 5260 } |
5261 | |
5262 //-------------------------is_literal_constant--------------------------------- | |
5263 bool ADLParser::is_literal_constant(const char *param) { | |
5264 if (param[0] == 0) return false; // null string | |
5265 if (param[0] == '(') return true; // parenthesized expression | |
5266 if (param[0] == '0' && (param[1] == 'x' || param[1] == 'X')) { | |
5267 // Make sure it's a hex constant. | |
5268 int i = 2; | |
5269 do { | |
5270 if( !ADLParser::is_hex_digit(*(param+i)) ) return false; | |
5271 ++i; | |
5272 } while( *(param+i) != 0 ); | |
5273 return true; | |
5274 } | |
5275 return false; | |
5276 } | |
5277 | |
5278 //---------------------------is_hex_digit-------------------------------------- | |
5279 bool ADLParser::is_hex_digit(char digit) { | |
5280 return ((digit >= '0') && (digit <= '9')) | |
5281 ||((digit >= 'a') && (digit <= 'f')) | |
5282 ||((digit >= 'A') && (digit <= 'F')); | |
5283 } | |
5284 | |
5285 //---------------------------is_int_token-------------------------------------- | |
5286 bool ADLParser::is_int_token(const char* token, int& intval) { | |
5287 const char* cp = token; | |
5288 while (*cp != '\0' && *cp <= ' ') cp++; | |
5289 if (*cp == '-') cp++; | |
5290 int ndigit = 0; | |
5291 while (*cp >= '0' && *cp <= '9') { cp++; ndigit++; } | |
5292 while (*cp != '\0' && *cp <= ' ') cp++; | |
5293 if (ndigit == 0 || *cp != '\0') { | |
5294 return false; | |
5295 } | |
5296 intval = atoi(token); | |
5297 return true; | |
5298 } | |
5299 | |
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5300 static const char* skip_expr_ws(const char* str) { |
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5301 const char * cp = str; |
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6771309: debugging AD files is difficult without #line directives in generated code
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5302 while (cp[0]) { |
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6771309: debugging AD files is difficult without #line directives in generated code
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5303 if (cp[0] <= ' ') { |
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6771309: debugging AD files is difficult without #line directives in generated code
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5304 ++cp; |
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6771309: debugging AD files is difficult without #line directives in generated code
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5305 } else if (cp[0] == '#') { |
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5306 ++cp; |
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5307 while (cp[0] == ' ') ++cp; |
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5308 assert(0 == strncmp(cp, "line", 4), "must be a #line directive"); |
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5309 const char* eol = strchr(cp, '\n'); |
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5310 assert(eol != NULL, "must find end of line"); |
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5311 if (eol == NULL) eol = cp + strlen(cp); |
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5312 cp = eol; |
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5313 } else { |
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5314 break; |
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5315 } |
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5316 } |
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5317 return cp; |
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5318 } |
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5319 |
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5320 //-----------------------equivalent_expressions-------------------------------- |
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5321 bool ADLParser::equivalent_expressions(const char* str1, const char* str2) { |
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5322 if (str1 == str2) |
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5323 return true; |
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5324 else if (str1 == NULL || str2 == NULL) |
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5325 return false; |
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5326 const char* cp1 = str1; |
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6771309: debugging AD files is difficult without #line directives in generated code
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5327 const char* cp2 = str2; |
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6771309: debugging AD files is difficult without #line directives in generated code
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5328 char in_quote = '\0'; |
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5329 while (cp1[0] && cp2[0]) { |
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5330 if (!in_quote) { |
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6771309: debugging AD files is difficult without #line directives in generated code
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5331 // skip spaces and/or cpp directives |
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5332 const char* cp1a = skip_expr_ws(cp1); |
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5333 const char* cp2a = skip_expr_ws(cp2); |
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5334 if (cp1a > cp1 && cp2a > cp2) { |
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5335 cp1 = cp1a; cp2 = cp2a; |
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5336 continue; |
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6771309: debugging AD files is difficult without #line directives in generated code
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diff
changeset
|
5337 } |
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6771309: debugging AD files is difficult without #line directives in generated code
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diff
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|
5338 if (cp1a > cp1 || cp2a > cp2) break; // fail |
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6771309: debugging AD files is difficult without #line directives in generated code
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diff
changeset
|
5339 } |
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6771309: debugging AD files is difficult without #line directives in generated code
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415
diff
changeset
|
5340 // match one non-space char |
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6771309: debugging AD files is difficult without #line directives in generated code
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diff
changeset
|
5341 if (cp1[0] != cp2[0]) break; // fail |
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6771309: debugging AD files is difficult without #line directives in generated code
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415
diff
changeset
|
5342 char ch = cp1[0]; |
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6771309: debugging AD files is difficult without #line directives in generated code
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diff
changeset
|
5343 cp1++; cp2++; |
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415
diff
changeset
|
5344 // watch for quotes |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
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diff
changeset
|
5345 if (in_quote && ch == '\\') { |
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6771309: debugging AD files is difficult without #line directives in generated code
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415
diff
changeset
|
5346 if (cp1[0] != cp2[0]) break; // fail |
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6771309: debugging AD files is difficult without #line directives in generated code
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415
diff
changeset
|
5347 if (!cp1[0]) break; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
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415
diff
changeset
|
5348 cp1++; cp2++; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
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415
diff
changeset
|
5349 } |
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6771309: debugging AD files is difficult without #line directives in generated code
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diff
changeset
|
5350 if (in_quote && ch == in_quote) { |
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6771309: debugging AD files is difficult without #line directives in generated code
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diff
changeset
|
5351 in_quote = '\0'; |
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6771309: debugging AD files is difficult without #line directives in generated code
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415
diff
changeset
|
5352 } else if (!in_quote && (ch == '"' || ch == '\'')) { |
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diff
changeset
|
5353 in_quote = ch; |
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6771309: debugging AD files is difficult without #line directives in generated code
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415
diff
changeset
|
5354 } |
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6771309: debugging AD files is difficult without #line directives in generated code
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diff
changeset
|
5355 } |
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6771309: debugging AD files is difficult without #line directives in generated code
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diff
changeset
|
5356 return (!cp1[0] && !cp2[0]); |
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6771309: debugging AD files is difficult without #line directives in generated code
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415
diff
changeset
|
5357 } |
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6771309: debugging AD files is difficult without #line directives in generated code
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415
diff
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|
5358 |
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|
5359 |
0 | 5360 //-------------------------------trim------------------------------------------ |
5361 void ADLParser::trim(char* &token) { | |
5362 while (*token <= ' ') token++; | |
5363 char* end = token + strlen(token); | |
5364 while (end > token && *(end-1) <= ' ') --end; | |
5365 *end = '\0'; | |
5366 } |