Mercurial > hg > truffle
annotate src/share/vm/adlc/adlparse.cpp @ 14714:b602356a9cfc
additional canonicalizers for accesses and value nodes (improves number of implicit null checks)
author | Lukas Stadler <lukas.stadler@oracle.com> |
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date | Thu, 20 Mar 2014 17:15:36 +0100 |
parents | abec000618bf |
children | 4ca6dc0799b6 |
rev | line source |
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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,"alloc_class")==0) { alloc_class_parse(); } |
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804 else if (strcmp(token,"#define")==0) { preproc_define(); } |
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805 else { parse_err(SYNERR, "bad token %s inside register block.\n", token); break; } |
0 | 806 skipws(); |
807 } | |
808 } | |
809 else { | |
810 parse_err(SYNERR, "Missing %c{ ... %c} block after register keyword.\n",'%','%'); | |
811 return; | |
812 } | |
813 } | |
814 | |
815 //------------------------------encode_parse----------------------------------- | |
816 void ADLParser::encode_parse(void) { | |
817 EncodeForm *encBlock; // Information about instruction/operand encoding | |
818 | |
819 _AD.getForm(&encBlock); | |
820 if ( encBlock == NULL) { | |
821 // Create the EncodeForm for the architecture description. | |
822 encBlock = new EncodeForm(); // Build new Source object | |
823 _AD.addForm(encBlock); | |
824 } | |
825 | |
826 skipws(); // Skip leading whitespace | |
827 if (_curchar == '%' && *(_ptr+1) == '{') { | |
828 next_char(); next_char(); // Skip "%{" | |
829 skipws(); | |
830 while (_curchar != '%' && *(_ptr+1) != '}') { | |
831 char *token = get_ident(); | |
832 if (token == NULL) { | |
833 parse_err(SYNERR, "missing identifier inside encoding block.\n"); | |
834 return; | |
835 } | |
836 if (strcmp(token,"enc_class")==0) { enc_class_parse(); } | |
837 skipws(); | |
838 } | |
839 } | |
840 else { | |
841 parse_err(SYNERR, "Missing %c{ ... %c} block after encode keyword.\n",'%','%'); | |
842 return; | |
843 } | |
844 } | |
845 | |
846 //------------------------------enc_class_parse-------------------------------- | |
847 void ADLParser::enc_class_parse(void) { | |
848 char *ec_name; // Name of encoding class being defined | |
849 | |
850 // Get encoding class name | |
851 skipws(); // Skip whitespace | |
852 ec_name = get_ident(); | |
853 if (ec_name == NULL) { | |
854 parse_err(SYNERR, "missing encoding class name after encode.\n"); | |
855 return; | |
856 } | |
857 | |
858 EncClass *encoding = _AD._encode->add_EncClass(ec_name); | |
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859 encoding->_linenum = linenum(); |
0 | 860 |
861 skipws(); // Skip leading whitespace | |
862 // Check for optional parameter list | |
863 if (_curchar == '(') { | |
864 do { | |
865 char *pType = NULL; // parameter type | |
866 char *pName = NULL; // parameter name | |
867 | |
868 next_char(); // skip open paren & comma characters | |
869 skipws(); | |
870 if (_curchar == ')') break; | |
871 | |
872 // Get parameter type | |
873 pType = get_ident(); | |
874 if (pType == NULL) { | |
875 parse_err(SYNERR, "parameter type expected at %c\n", _curchar); | |
876 return; | |
877 } | |
878 | |
879 skipws(); | |
880 // Get parameter name | |
881 pName = get_ident(); | |
882 if (pName == NULL) { | |
883 parse_err(SYNERR, "parameter name expected at %c\n", _curchar); | |
884 return; | |
885 } | |
886 | |
887 // Record parameter type and name | |
888 encoding->add_parameter( pType, pName ); | |
889 | |
890 skipws(); | |
891 } while(_curchar == ','); | |
892 | |
893 if (_curchar != ')') parse_err(SYNERR, "missing ')'\n"); | |
894 else { | |
895 next_char(); // Skip ')' | |
896 } | |
897 } // Done with parameter list | |
898 | |
899 skipws(); | |
900 // Check for block starting delimiters | |
901 if ((_curchar != '%') || (*(_ptr+1) != '{')) { // If not open block | |
902 parse_err(SYNERR, "missing '%c{' in enc_class definition\n", '%'); | |
903 return; | |
904 } | |
905 next_char(); // Skip '%' | |
906 next_char(); // Skip '{' | |
907 | |
908 enc_class_parse_block(encoding, ec_name); | |
909 } | |
910 | |
911 | |
912 void ADLParser::enc_class_parse_block(EncClass* encoding, char* ec_name) { | |
913 skipws_no_preproc(); // Skip leading whitespace | |
914 // Prepend location descriptor, for debugging; cf. ADLParser::find_cpp_block | |
915 if (_AD._adlocation_debug) { | |
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916 encoding->add_code(get_line_string()); |
0 | 917 } |
918 | |
919 // Collect the parts of the encode description | |
920 // (1) strings that are passed through to output | |
921 // (2) replacement/substitution variable, preceeded by a '$' | |
922 while ( (_curchar != '%') && (*(_ptr+1) != '}') ) { | |
923 | |
924 // (1) | |
925 // Check if there is a string to pass through to output | |
926 char *start = _ptr; // Record start of the next string | |
927 while ((_curchar != '$') && ((_curchar != '%') || (*(_ptr+1) != '}')) ) { | |
928 // If at the start of a comment, skip past it | |
929 if( (_curchar == '/') && ((*(_ptr+1) == '/') || (*(_ptr+1) == '*')) ) { | |
930 skipws_no_preproc(); | |
931 } else { | |
932 // ELSE advance to the next character, or start of the next line | |
933 next_char_or_line(); | |
934 } | |
935 } | |
936 // If a string was found, terminate it and record in EncClass | |
937 if ( start != _ptr ) { | |
938 *_ptr = '\0'; // Terminate the string | |
939 encoding->add_code(start); | |
940 } | |
941 | |
942 // (2) | |
943 // If we are at a replacement variable, | |
944 // copy it and record in EncClass | |
2008 | 945 if (_curchar == '$') { |
0 | 946 // Found replacement Variable |
2008 | 947 char* rep_var = get_rep_var_ident_dup(); |
0 | 948 // Add flag to _strings list indicating we should check _rep_vars |
949 encoding->add_rep_var(rep_var); | |
950 } | |
951 } // end while part of format description | |
952 next_char(); // Skip '%' | |
953 next_char(); // Skip '}' | |
954 | |
955 skipws(); | |
956 | |
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957 if (_AD._adlocation_debug) { |
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958 encoding->add_code(end_line_marker()); |
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959 } |
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960 |
0 | 961 // Debug Stuff |
962 if (_AD._adl_debug > 1) fprintf(stderr,"EncodingClass Form: %s\n", ec_name); | |
963 } | |
964 | |
965 //------------------------------frame_parse----------------------------------- | |
966 void ADLParser::frame_parse(void) { | |
967 FrameForm *frame; // Information about stack-frame layout | |
968 char *desc = NULL; // String representation of frame | |
969 | |
970 skipws(); // Skip leading whitespace | |
971 | |
972 frame = new FrameForm(); // Build new Frame object | |
973 // Check for open block sequence | |
974 skipws(); // Skip leading whitespace | |
975 if (_curchar == '%' && *(_ptr+1) == '{') { | |
976 next_char(); next_char(); // Skip "%{" | |
977 skipws(); | |
978 while (_curchar != '%' && *(_ptr+1) != '}') { | |
979 char *token = get_ident(); | |
980 if (token == NULL) { | |
981 parse_err(SYNERR, "missing identifier inside frame block.\n"); | |
982 return; | |
983 } | |
984 if (strcmp(token,"stack_direction")==0) { | |
985 stack_dir_parse(frame); | |
986 } | |
987 if (strcmp(token,"sync_stack_slots")==0) { | |
988 sync_stack_slots_parse(frame); | |
989 } | |
990 if (strcmp(token,"frame_pointer")==0) { | |
991 frame_pointer_parse(frame, false); | |
992 } | |
993 if (strcmp(token,"interpreter_frame_pointer")==0) { | |
994 interpreter_frame_pointer_parse(frame, false); | |
995 } | |
996 if (strcmp(token,"inline_cache_reg")==0) { | |
997 inline_cache_parse(frame, false); | |
998 } | |
999 if (strcmp(token,"compiler_method_oop_reg")==0) { | |
1000 parse_err(WARN, "Using obsolete Token, compiler_method_oop_reg"); | |
1001 skipws(); | |
1002 } | |
1003 if (strcmp(token,"interpreter_method_oop_reg")==0) { | |
1004 interpreter_method_oop_parse(frame, false); | |
1005 } | |
1006 if (strcmp(token,"cisc_spilling_operand_name")==0) { | |
1007 cisc_spilling_operand_name_parse(frame, false); | |
1008 } | |
1009 if (strcmp(token,"stack_alignment")==0) { | |
1010 stack_alignment_parse(frame); | |
1011 } | |
1012 if (strcmp(token,"return_addr")==0) { | |
1013 return_addr_parse(frame, false); | |
1014 } | |
1015 if (strcmp(token,"in_preserve_stack_slots")==0) { | |
1016 preserve_stack_parse(frame); | |
1017 } | |
1018 if (strcmp(token,"out_preserve_stack_slots")==0) { | |
1019 parse_err(WARN, "Using obsolete token, out_preserve_stack_slots"); | |
1020 skipws(); | |
1021 } | |
1022 if (strcmp(token,"varargs_C_out_slots_killed")==0) { | |
1023 frame->_varargs_C_out_slots_killed = parse_one_arg("varargs C out slots killed"); | |
1024 } | |
1025 if (strcmp(token,"calling_convention")==0) { | |
1026 frame->_calling_convention = calling_convention_parse(); | |
1027 } | |
1028 if (strcmp(token,"return_value")==0) { | |
1029 frame->_return_value = return_value_parse(); | |
1030 } | |
1031 if (strcmp(token,"c_frame_pointer")==0) { | |
1032 frame_pointer_parse(frame, true); | |
1033 } | |
1034 if (strcmp(token,"c_return_addr")==0) { | |
1035 return_addr_parse(frame, true); | |
1036 } | |
1037 if (strcmp(token,"c_calling_convention")==0) { | |
1038 frame->_c_calling_convention = calling_convention_parse(); | |
1039 } | |
1040 if (strcmp(token,"c_return_value")==0) { | |
1041 frame->_c_return_value = return_value_parse(); | |
1042 } | |
1043 | |
1044 skipws(); | |
1045 } | |
1046 } | |
1047 else { | |
1048 parse_err(SYNERR, "Missing %c{ ... %c} block after encode keyword.\n",'%','%'); | |
1049 return; | |
1050 } | |
1051 // All Java versions are required, native versions are optional | |
1052 if(frame->_frame_pointer == NULL) { | |
1053 parse_err(SYNERR, "missing frame pointer definition in frame section.\n"); | |
1054 return; | |
1055 } | |
1056 // !!!!! !!!!! | |
1057 // if(frame->_interpreter_frame_ptr_reg == NULL) { | |
1058 // parse_err(SYNERR, "missing interpreter frame pointer definition in frame section.\n"); | |
1059 // return; | |
1060 // } | |
1061 if(frame->_alignment == NULL) { | |
1062 parse_err(SYNERR, "missing alignment definition in frame section.\n"); | |
1063 return; | |
1064 } | |
1065 if(frame->_return_addr == NULL) { | |
1066 parse_err(SYNERR, "missing return address location in frame section.\n"); | |
1067 return; | |
1068 } | |
1069 if(frame->_in_preserve_slots == NULL) { | |
1070 parse_err(SYNERR, "missing stack slot preservation definition in frame section.\n"); | |
1071 return; | |
1072 } | |
1073 if(frame->_varargs_C_out_slots_killed == NULL) { | |
1074 parse_err(SYNERR, "missing varargs C out slots killed definition in frame section.\n"); | |
1075 return; | |
1076 } | |
1077 if(frame->_calling_convention == NULL) { | |
1078 parse_err(SYNERR, "missing calling convention definition in frame section.\n"); | |
1079 return; | |
1080 } | |
1081 if(frame->_return_value == NULL) { | |
1082 parse_err(SYNERR, "missing return value definition in frame section.\n"); | |
1083 return; | |
1084 } | |
1085 // Fill natives in identically with the Java versions if not present. | |
1086 if(frame->_c_frame_pointer == NULL) { | |
1087 frame->_c_frame_pointer = frame->_frame_pointer; | |
1088 } | |
1089 if(frame->_c_return_addr == NULL) { | |
1090 frame->_c_return_addr = frame->_return_addr; | |
1091 frame->_c_return_addr_loc = frame->_return_addr_loc; | |
1092 } | |
1093 if(frame->_c_calling_convention == NULL) { | |
1094 frame->_c_calling_convention = frame->_calling_convention; | |
1095 } | |
1096 if(frame->_c_return_value == NULL) { | |
1097 frame->_c_return_value = frame->_return_value; | |
1098 } | |
1099 | |
1100 // Debug Stuff | |
1101 if (_AD._adl_debug > 1) fprintf(stderr,"Frame Form: %s\n", desc); | |
1102 | |
1103 // Create the EncodeForm for the architecture description. | |
1104 _AD.addForm(frame); | |
1105 // skipws(); | |
1106 } | |
1107 | |
1108 //------------------------------stack_dir_parse-------------------------------- | |
1109 void ADLParser::stack_dir_parse(FrameForm *frame) { | |
1110 char *direction = parse_one_arg("stack direction entry"); | |
1111 if (strcmp(direction, "TOWARDS_LOW") == 0) { | |
1112 frame->_direction = false; | |
1113 } | |
1114 else if (strcmp(direction, "TOWARDS_HIGH") == 0) { | |
1115 frame->_direction = true; | |
1116 } | |
1117 else { | |
1118 parse_err(SYNERR, "invalid value inside stack direction entry.\n"); | |
1119 return; | |
1120 } | |
1121 } | |
1122 | |
1123 //------------------------------sync_stack_slots_parse------------------------- | |
1124 void ADLParser::sync_stack_slots_parse(FrameForm *frame) { | |
1125 // Assign value into frame form | |
1126 frame->_sync_stack_slots = parse_one_arg("sync stack slots entry"); | |
1127 } | |
1128 | |
1129 //------------------------------frame_pointer_parse---------------------------- | |
1130 void ADLParser::frame_pointer_parse(FrameForm *frame, bool native) { | |
1131 char *frame_pointer = parse_one_arg("frame pointer entry"); | |
1132 // Assign value into frame form | |
1133 if (native) { frame->_c_frame_pointer = frame_pointer; } | |
1134 else { frame->_frame_pointer = frame_pointer; } | |
1135 } | |
1136 | |
1137 //------------------------------interpreter_frame_pointer_parse---------------------------- | |
1138 void ADLParser::interpreter_frame_pointer_parse(FrameForm *frame, bool native) { | |
1139 frame->_interpreter_frame_pointer_reg = parse_one_arg("interpreter frame pointer entry"); | |
1140 } | |
1141 | |
1142 //------------------------------inline_cache_parse----------------------------- | |
1143 void ADLParser::inline_cache_parse(FrameForm *frame, bool native) { | |
1144 frame->_inline_cache_reg = parse_one_arg("inline cache reg entry"); | |
1145 } | |
1146 | |
1147 //------------------------------interpreter_method_oop_parse------------------ | |
1148 void ADLParser::interpreter_method_oop_parse(FrameForm *frame, bool native) { | |
1149 frame->_interpreter_method_oop_reg = parse_one_arg("method oop reg entry"); | |
1150 } | |
1151 | |
1152 //------------------------------cisc_spilling_operand_parse--------------------- | |
1153 void ADLParser::cisc_spilling_operand_name_parse(FrameForm *frame, bool native) { | |
1154 frame->_cisc_spilling_operand_name = parse_one_arg("cisc spilling operand name"); | |
1155 } | |
1156 | |
1157 //------------------------------stack_alignment_parse-------------------------- | |
1158 void ADLParser::stack_alignment_parse(FrameForm *frame) { | |
1159 char *alignment = parse_one_arg("stack alignment entry"); | |
1160 // Assign value into frame | |
1161 frame->_alignment = alignment; | |
1162 } | |
1163 | |
1164 //------------------------------parse_one_arg------------------------------- | |
1165 char *ADLParser::parse_one_arg(const char *description) { | |
1166 char *token = NULL; | |
1167 if(_curchar == '(') { | |
1168 next_char(); | |
1169 skipws(); | |
1170 token = get_expr(description, ")"); | |
1171 if (token == NULL) { | |
1172 parse_err(SYNERR, "missing value inside %s.\n", description); | |
1173 return NULL; | |
1174 } | |
1175 next_char(); // skip the close paren | |
1176 if(_curchar != ';') { // check for semi-colon | |
1177 parse_err(SYNERR, "missing %c in.\n", ';', description); | |
1178 return NULL; | |
1179 } | |
1180 next_char(); // skip the semi-colon | |
1181 } | |
1182 else { | |
1183 parse_err(SYNERR, "Missing %c in.\n", '(', description); | |
1184 return NULL; | |
1185 } | |
1186 | |
1187 trim(token); | |
1188 return token; | |
1189 } | |
1190 | |
1191 //------------------------------return_addr_parse------------------------------ | |
1192 void ADLParser::return_addr_parse(FrameForm *frame, bool native) { | |
1193 bool in_register = true; | |
1194 if(_curchar == '(') { | |
1195 next_char(); | |
1196 skipws(); | |
1197 char *token = get_ident(); | |
1198 if (token == NULL) { | |
1199 parse_err(SYNERR, "missing value inside return address entry.\n"); | |
1200 return; | |
1201 } | |
1202 // check for valid values for stack/register | |
1203 if (strcmp(token, "REG") == 0) { | |
1204 in_register = true; | |
1205 } | |
1206 else if (strcmp(token, "STACK") == 0) { | |
1207 in_register = false; | |
1208 } | |
1209 else { | |
1210 parse_err(SYNERR, "invalid value inside return_address entry.\n"); | |
1211 return; | |
1212 } | |
1213 if (native) { frame->_c_return_addr_loc = in_register; } | |
1214 else { frame->_return_addr_loc = in_register; } | |
1215 | |
1216 // Parse expression that specifies register or stack position | |
1217 skipws(); | |
1218 char *token2 = get_expr("return address entry", ")"); | |
1219 if (token2 == NULL) { | |
1220 parse_err(SYNERR, "missing value inside return address entry.\n"); | |
1221 return; | |
1222 } | |
1223 next_char(); // skip the close paren | |
1224 if (native) { frame->_c_return_addr = token2; } | |
1225 else { frame->_return_addr = token2; } | |
1226 | |
1227 if(_curchar != ';') { // check for semi-colon | |
1228 parse_err(SYNERR, "missing %c in return address entry.\n", ';'); | |
1229 return; | |
1230 } | |
1231 next_char(); // skip the semi-colon | |
1232 } | |
1233 else { | |
1234 parse_err(SYNERR, "Missing %c in return_address entry.\n", '('); | |
1235 } | |
1236 } | |
1237 | |
1238 //------------------------------preserve_stack_parse--------------------------- | |
1239 void ADLParser::preserve_stack_parse(FrameForm *frame) { | |
1240 if(_curchar == '(') { | |
1241 char *token = get_paren_expr("preserve_stack_slots"); | |
1242 frame->_in_preserve_slots = token; | |
1243 | |
1244 if(_curchar != ';') { // check for semi-colon | |
1245 parse_err(SYNERR, "missing %c in preserve stack slot entry.\n", ';'); | |
1246 return; | |
1247 } | |
1248 next_char(); // skip the semi-colon | |
1249 } | |
1250 else { | |
1251 parse_err(SYNERR, "Missing %c in preserve stack slot entry.\n", '('); | |
1252 } | |
1253 } | |
1254 | |
1255 //------------------------------calling_convention_parse----------------------- | |
1256 char *ADLParser::calling_convention_parse() { | |
1257 char *desc = NULL; // String representation of calling_convention | |
1258 | |
1259 skipws(); // Skip leading whitespace | |
1260 if ( (desc = find_cpp_block("calling convention block")) == NULL ) { | |
1261 parse_err(SYNERR, "incorrect or missing block for 'calling_convention'.\n"); | |
1262 } | |
1263 return desc; | |
1264 } | |
1265 | |
1266 //------------------------------return_value_parse----------------------------- | |
1267 char *ADLParser::return_value_parse() { | |
1268 char *desc = NULL; // String representation of calling_convention | |
1269 | |
1270 skipws(); // Skip leading whitespace | |
1271 if ( (desc = find_cpp_block("return value block")) == NULL ) { | |
1272 parse_err(SYNERR, "incorrect or missing block for 'return_value'.\n"); | |
1273 } | |
1274 return desc; | |
1275 } | |
1276 | |
1277 //------------------------------ins_pipe_parse--------------------------------- | |
1278 void ADLParser::ins_pipe_parse(InstructForm &instr) { | |
1279 char * ident; | |
1280 | |
1281 skipws(); | |
1282 if ( _curchar != '(' ) { // Check for delimiter | |
1283 parse_err(SYNERR, "missing \"(\" in ins_pipe definition\n"); | |
1284 return; | |
1285 } | |
1286 | |
1287 next_char(); | |
1288 ident = get_ident(); // Grab next identifier | |
1289 | |
1290 if (ident == NULL) { | |
1291 parse_err(SYNERR, "keyword identifier expected at %c\n", _curchar); | |
1292 return; | |
1293 } | |
1294 | |
1295 skipws(); | |
1296 if ( _curchar != ')' ) { // Check for delimiter | |
1297 parse_err(SYNERR, "missing \")\" in ins_pipe definition\n"); | |
1298 return; | |
1299 } | |
1300 | |
1301 next_char(); // skip the close paren | |
1302 if(_curchar != ';') { // check for semi-colon | |
1303 parse_err(SYNERR, "missing %c in return value entry.\n", ';'); | |
1304 return; | |
1305 } | |
1306 next_char(); // skip the semi-colon | |
1307 | |
1308 // Check ident for validity | |
1309 if (_AD._pipeline && !_AD._pipeline->_classlist.search(ident)) { | |
1310 parse_err(SYNERR, "\"%s\" is not a valid pipeline class\n", ident); | |
1311 return; | |
1312 } | |
1313 | |
1314 // Add this instruction to the list in the pipeline class | |
1315 _AD._pipeline->_classdict[ident]->is_pipeclass()->_instructs.addName(instr._ident); | |
1316 | |
1317 // Set the name of the pipeline class in the instruction | |
1318 instr._ins_pipe = ident; | |
1319 return; | |
1320 } | |
1321 | |
1322 //------------------------------pipe_parse------------------------------------- | |
1323 void ADLParser::pipe_parse(void) { | |
1324 PipelineForm *pipeline; // Encode class for instruction/operand | |
1325 char * ident; | |
1326 | |
1327 pipeline = new PipelineForm(); // Build new Source object | |
1328 _AD.addForm(pipeline); | |
1329 | |
1330 skipws(); // Skip leading whitespace | |
1331 // Check for block delimiter | |
1332 if ( (_curchar != '%') | |
1333 || ( next_char(), (_curchar != '{')) ) { | |
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1334 parse_err(SYNERR, "missing '%%{' in pipeline definition\n"); |
0 | 1335 return; |
1336 } | |
1337 next_char(); // Maintain the invariant | |
1338 do { | |
1339 ident = get_ident(); // Grab next identifier | |
1340 if (ident == NULL) { | |
1341 parse_err(SYNERR, "keyword identifier expected at %c\n", _curchar); | |
1342 continue; | |
1343 } | |
1344 if (!strcmp(ident, "resources" )) resource_parse(*pipeline); | |
1345 else if (!strcmp(ident, "pipe_desc" )) pipe_desc_parse(*pipeline); | |
1346 else if (!strcmp(ident, "pipe_class")) pipe_class_parse(*pipeline); | |
1347 else if (!strcmp(ident, "define")) { | |
1348 skipws(); | |
1349 if ( (_curchar != '%') | |
1350 || ( next_char(), (_curchar != '{')) ) { | |
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1351 parse_err(SYNERR, "expected '%%{'\n"); |
0 | 1352 return; |
1353 } | |
1354 next_char(); skipws(); | |
1355 | |
1356 char *node_class = get_ident(); | |
1357 if (node_class == NULL) { | |
1358 parse_err(SYNERR, "expected identifier, found \"%c\"\n", _curchar); | |
1359 return; | |
1360 } | |
1361 | |
1362 skipws(); | |
1363 if (_curchar != ',' && _curchar != '=') { | |
1364 parse_err(SYNERR, "expected `=`, found '%c'\n", _curchar); | |
1365 break; | |
1366 } | |
1367 next_char(); skipws(); | |
1368 | |
1369 char *pipe_class = get_ident(); | |
1370 if (pipe_class == NULL) { | |
1371 parse_err(SYNERR, "expected identifier, found \"%c\"\n", _curchar); | |
1372 return; | |
1373 } | |
1374 if (_curchar != ';' ) { | |
1375 parse_err(SYNERR, "expected `;`, found '%c'\n", _curchar); | |
1376 break; | |
1377 } | |
1378 next_char(); // Skip over semi-colon | |
1379 | |
1380 skipws(); | |
1381 if ( (_curchar != '%') | |
1382 || ( next_char(), (_curchar != '}')) ) { | |
1383 parse_err(SYNERR, "expected '%%}', found \"%c\"\n", _curchar); | |
1384 } | |
1385 next_char(); | |
1386 | |
1387 // Check ident for validity | |
1388 if (_AD._pipeline && !_AD._pipeline->_classlist.search(pipe_class)) { | |
1389 parse_err(SYNERR, "\"%s\" is not a valid pipeline class\n", pipe_class); | |
1390 return; | |
1391 } | |
1392 | |
1393 // Add this machine node to the list in the pipeline class | |
1394 _AD._pipeline->_classdict[pipe_class]->is_pipeclass()->_instructs.addName(node_class); | |
1395 | |
1396 MachNodeForm *machnode = new MachNodeForm(node_class); // Create new machnode form | |
1397 machnode->_machnode_pipe = pipe_class; | |
1398 | |
1399 _AD.addForm(machnode); | |
1400 } | |
1401 else if (!strcmp(ident, "attributes")) { | |
6850 | 1402 bool vsi_seen = false; |
0 | 1403 |
1404 skipws(); | |
1405 if ( (_curchar != '%') | |
1406 || ( next_char(), (_curchar != '{')) ) { | |
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|
1407 parse_err(SYNERR, "expected '%%{'\n"); |
0 | 1408 return; |
1409 } | |
1410 next_char(); skipws(); | |
1411 | |
1412 while (_curchar != '%') { | |
1413 ident = get_ident(); | |
1414 if (ident == NULL) | |
1415 break; | |
1416 | |
1417 if (!strcmp(ident, "variable_size_instructions")) { | |
1418 skipws(); | |
1419 if (_curchar == ';') { | |
1420 next_char(); skipws(); | |
1421 } | |
1422 | |
1423 pipeline->_variableSizeInstrs = true; | |
1424 vsi_seen = true; | |
1425 continue; | |
1426 } | |
1427 | |
1428 if (!strcmp(ident, "fixed_size_instructions")) { | |
1429 skipws(); | |
1430 if (_curchar == ';') { | |
1431 next_char(); skipws(); | |
1432 } | |
1433 | |
1434 pipeline->_variableSizeInstrs = false; | |
1435 vsi_seen = true; | |
1436 continue; | |
1437 } | |
1438 | |
1439 if (!strcmp(ident, "branch_has_delay_slot")) { | |
1440 skipws(); | |
1441 if (_curchar == ';') { | |
1442 next_char(); skipws(); | |
1443 } | |
1444 | |
1445 pipeline->_branchHasDelaySlot = true; | |
1446 continue; | |
1447 } | |
1448 | |
1449 if (!strcmp(ident, "max_instructions_per_bundle")) { | |
1450 skipws(); | |
1451 if (_curchar != '=') { | |
1452 parse_err(SYNERR, "expected `=`\n"); | |
1453 break; | |
1454 } | |
1455 | |
1456 next_char(); skipws(); | |
1457 pipeline->_maxInstrsPerBundle = get_int(); | |
1458 skipws(); | |
1459 | |
1460 if (_curchar == ';') { | |
1461 next_char(); skipws(); | |
1462 } | |
1463 | |
1464 continue; | |
1465 } | |
1466 | |
1467 if (!strcmp(ident, "max_bundles_per_cycle")) { | |
1468 skipws(); | |
1469 if (_curchar != '=') { | |
1470 parse_err(SYNERR, "expected `=`\n"); | |
1471 break; | |
1472 } | |
1473 | |
1474 next_char(); skipws(); | |
1475 pipeline->_maxBundlesPerCycle = get_int(); | |
1476 skipws(); | |
1477 | |
1478 if (_curchar == ';') { | |
1479 next_char(); skipws(); | |
1480 } | |
1481 | |
1482 continue; | |
1483 } | |
1484 | |
1485 if (!strcmp(ident, "instruction_unit_size")) { | |
1486 skipws(); | |
1487 if (_curchar != '=') { | |
1488 parse_err(SYNERR, "expected `=`, found '%c'\n", _curchar); | |
1489 break; | |
1490 } | |
1491 | |
1492 next_char(); skipws(); | |
1493 pipeline->_instrUnitSize = get_int(); | |
1494 skipws(); | |
1495 | |
1496 if (_curchar == ';') { | |
1497 next_char(); skipws(); | |
1498 } | |
1499 | |
1500 continue; | |
1501 } | |
1502 | |
1503 if (!strcmp(ident, "bundle_unit_size")) { | |
1504 skipws(); | |
1505 if (_curchar != '=') { | |
1506 parse_err(SYNERR, "expected `=`, found '%c'\n", _curchar); | |
1507 break; | |
1508 } | |
1509 | |
1510 next_char(); skipws(); | |
1511 pipeline->_bundleUnitSize = get_int(); | |
1512 skipws(); | |
1513 | |
1514 if (_curchar == ';') { | |
1515 next_char(); skipws(); | |
1516 } | |
1517 | |
1518 continue; | |
1519 } | |
1520 | |
1521 if (!strcmp(ident, "instruction_fetch_unit_size")) { | |
1522 skipws(); | |
1523 if (_curchar != '=') { | |
1524 parse_err(SYNERR, "expected `=`, found '%c'\n", _curchar); | |
1525 break; | |
1526 } | |
1527 | |
1528 next_char(); skipws(); | |
1529 pipeline->_instrFetchUnitSize = get_int(); | |
1530 skipws(); | |
1531 | |
1532 if (_curchar == ';') { | |
1533 next_char(); skipws(); | |
1534 } | |
1535 | |
1536 continue; | |
1537 } | |
1538 | |
1539 if (!strcmp(ident, "instruction_fetch_units")) { | |
1540 skipws(); | |
1541 if (_curchar != '=') { | |
1542 parse_err(SYNERR, "expected `=`, found '%c'\n", _curchar); | |
1543 break; | |
1544 } | |
1545 | |
1546 next_char(); skipws(); | |
1547 pipeline->_instrFetchUnits = get_int(); | |
1548 skipws(); | |
1549 | |
1550 if (_curchar == ';') { | |
1551 next_char(); skipws(); | |
1552 } | |
1553 | |
1554 continue; | |
1555 } | |
1556 | |
1557 if (!strcmp(ident, "nops")) { | |
1558 skipws(); | |
1559 if (_curchar != '(') { | |
1560 parse_err(SYNERR, "expected `(`, found '%c'\n", _curchar); | |
1561 break; | |
1562 } | |
1563 | |
1564 next_char(); skipws(); | |
1565 | |
1566 while (_curchar != ')') { | |
1567 ident = get_ident(); | |
1568 if (ident == NULL) { | |
1569 parse_err(SYNERR, "expected identifier for nop instruction, found '%c'\n", _curchar); | |
1570 break; | |
1571 } | |
1572 | |
1573 pipeline->_noplist.addName(ident); | |
1574 pipeline->_nopcnt++; | |
1575 skipws(); | |
1576 | |
1577 if (_curchar == ',') { | |
1578 next_char(); skipws(); | |
1579 } | |
1580 } | |
1581 | |
1582 next_char(); skipws(); | |
1583 | |
1584 if (_curchar == ';') { | |
1585 next_char(); skipws(); | |
1586 } | |
1587 | |
1588 continue; | |
1589 } | |
1590 | |
1591 parse_err(SYNERR, "unknown specifier \"%s\"\n", ident); | |
1592 } | |
1593 | |
1594 if ( (_curchar != '%') | |
1595 || ( next_char(), (_curchar != '}')) ) { | |
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8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
1596 parse_err(SYNERR, "expected '%%}', found \"%c\"\n", _curchar); |
0 | 1597 } |
1598 next_char(); skipws(); | |
1599 | |
1600 if (pipeline->_maxInstrsPerBundle == 0) | |
1601 parse_err(SYNERR, "\"max_instructions_per_bundle\" unspecified\n"); | |
1602 if (pipeline->_instrUnitSize == 0 && pipeline->_bundleUnitSize == 0) | |
1603 parse_err(SYNERR, "\"instruction_unit_size\" and \"bundle_unit_size\" unspecified\n"); | |
1604 if (pipeline->_instrFetchUnitSize == 0) | |
1605 parse_err(SYNERR, "\"instruction_fetch_unit_size\" unspecified\n"); | |
1606 if (pipeline->_instrFetchUnits == 0) | |
1607 parse_err(SYNERR, "\"instruction_fetch_units\" unspecified\n"); | |
1608 if (!vsi_seen) | |
1609 parse_err(SYNERR, "\"variable_size_instruction\" or \"fixed_size_instruction\" unspecified\n"); | |
1610 } | |
1611 else { // Done with staticly defined parts of instruction definition | |
1612 parse_err(SYNERR, "expected one of \"resources\", \"pipe_desc\", \"pipe_class\", found \"%s\"\n", ident); | |
1613 return; | |
1614 } | |
1615 skipws(); | |
1616 if (_curchar == ';') | |
1617 skipws(); | |
1618 } while(_curchar != '%'); | |
1619 | |
1620 next_char(); | |
1621 if (_curchar != '}') { | |
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39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
1622 parse_err(SYNERR, "missing \"%%}\" in pipeline definition\n"); |
0 | 1623 return; |
1624 } | |
1625 | |
1626 next_char(); | |
1627 } | |
1628 | |
1629 //------------------------------resource_parse---------------------------- | |
1630 void ADLParser::resource_parse(PipelineForm &pipeline) { | |
1631 ResourceForm *resource; | |
1632 char * ident; | |
1633 char * expr; | |
1634 unsigned mask; | |
1635 pipeline._rescount = 0; | |
1636 | |
1637 skipws(); // Skip leading whitespace | |
1638 | |
1639 if (_curchar != '(') { | |
1640 parse_err(SYNERR, "missing \"(\" in resource definition\n"); | |
1641 return; | |
1642 } | |
1643 | |
1644 do { | |
1645 next_char(); // Skip "(" or "," | |
1646 ident = get_ident(); // Grab next identifier | |
1647 | |
6850 | 1648 if (_AD._adl_debug > 1) { |
1649 if (ident != NULL) { | |
1650 fprintf(stderr, "resource_parse: identifier: %s\n", ident); | |
1651 } | |
1652 } | |
1653 | |
0 | 1654 if (ident == NULL) { |
1655 parse_err(SYNERR, "keyword identifier expected at \"%c\"\n", _curchar); | |
1656 return; | |
1657 } | |
1658 skipws(); | |
1659 | |
1660 if (_curchar != '=') { | |
1661 mask = (1 << pipeline._rescount++); | |
1662 } | |
1663 else { | |
1664 next_char(); skipws(); | |
1665 expr = get_ident(); // Grab next identifier | |
1666 if (expr == NULL) { | |
1667 parse_err(SYNERR, "keyword identifier expected at \"%c\"\n", _curchar); | |
1668 return; | |
1669 } | |
1670 resource = (ResourceForm *) pipeline._resdict[expr]; | |
1671 if (resource == NULL) { | |
1672 parse_err(SYNERR, "resource \"%s\" is not defined\n", expr); | |
1673 return; | |
1674 } | |
1675 mask = resource->mask(); | |
1676 | |
1677 skipws(); | |
1678 while (_curchar == '|') { | |
1679 next_char(); skipws(); | |
1680 | |
1681 expr = get_ident(); // Grab next identifier | |
1682 if (expr == NULL) { | |
1683 parse_err(SYNERR, "keyword identifier expected at \"%c\"\n", _curchar); | |
1684 return; | |
1685 } | |
1686 | |
1687 resource = (ResourceForm *) pipeline._resdict[expr]; // Look up the value | |
1688 if (resource == NULL) { | |
1689 parse_err(SYNERR, "resource \"%s\" is not defined\n", expr); | |
1690 return; | |
1691 } | |
1692 | |
1693 mask |= resource->mask(); | |
1694 skipws(); | |
1695 } | |
1696 } | |
1697 | |
1698 resource = new ResourceForm(mask); | |
1699 | |
1700 pipeline._resdict.Insert(ident, resource); | |
1701 pipeline._reslist.addName(ident); | |
1702 } while (_curchar == ','); | |
1703 | |
1704 if (_curchar != ')') { | |
1705 parse_err(SYNERR, "\")\" expected at \"%c\"\n", _curchar); | |
1706 return; | |
1707 } | |
1708 | |
1709 next_char(); // Skip ")" | |
1710 if (_curchar == ';') | |
1711 next_char(); // Skip ";" | |
1712 } | |
1713 | |
1714 //------------------------------resource_parse---------------------------- | |
1715 void ADLParser::pipe_desc_parse(PipelineForm &pipeline) { | |
1716 char * ident; | |
1717 | |
1718 skipws(); // Skip leading whitespace | |
1719 | |
1720 if (_curchar != '(') { | |
1721 parse_err(SYNERR, "missing \"(\" in pipe_desc definition\n"); | |
1722 return; | |
1723 } | |
1724 | |
1725 do { | |
1726 next_char(); // Skip "(" or "," | |
1727 ident = get_ident(); // Grab next identifier | |
1728 if (ident == NULL) { | |
1729 parse_err(SYNERR, "keyword identifier expected at \"%c\"\n", _curchar); | |
1730 return; | |
1731 } | |
1732 | |
1733 // Add the name to the list | |
1734 pipeline._stages.addName(ident); | |
1735 pipeline._stagecnt++; | |
1736 | |
1737 skipws(); | |
1738 } while (_curchar == ','); | |
1739 | |
1740 if (_curchar != ')') { | |
1741 parse_err(SYNERR, "\")\" expected at \"%c\"\n", _curchar); | |
1742 return; | |
1743 } | |
1744 | |
1745 next_char(); // Skip ")" | |
1746 if (_curchar == ';') | |
1747 next_char(); // Skip ";" | |
1748 } | |
1749 | |
1750 //------------------------------pipe_class_parse-------------------------- | |
1751 void ADLParser::pipe_class_parse(PipelineForm &pipeline) { | |
1752 PipeClassForm *pipe_class; | |
1753 char * ident; | |
1754 char * stage; | |
1755 char * read_or_write; | |
1756 int is_write; | |
1757 int is_read; | |
1758 OperandForm *oper; | |
1759 | |
1760 skipws(); // Skip leading whitespace | |
1761 | |
1762 ident = get_ident(); // Grab next identifier | |
1763 | |
1764 if (ident == NULL) { | |
1765 parse_err(SYNERR, "keyword identifier expected at \"%c\"\n", _curchar); | |
1766 return; | |
1767 } | |
1768 | |
1769 // Create a record for the pipe_class | |
1770 pipe_class = new PipeClassForm(ident, ++pipeline._classcnt); | |
1771 pipeline._classdict.Insert(ident, pipe_class); | |
1772 pipeline._classlist.addName(ident); | |
1773 | |
1774 // Then get the operands | |
1775 skipws(); | |
1776 if (_curchar != '(') { | |
1777 parse_err(SYNERR, "missing \"(\" in pipe_class definition\n"); | |
1778 } | |
1779 // Parse the operand list | |
1780 else get_oplist(pipe_class->_parameters, pipe_class->_localNames); | |
1781 skipws(); // Skip leading whitespace | |
1782 // Check for block delimiter | |
1783 if ( (_curchar != '%') | |
1784 || ( next_char(), (_curchar != '{')) ) { | |
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
1785 parse_err(SYNERR, "missing \"%%{\" in pipe_class definition\n"); |
0 | 1786 return; |
1787 } | |
1788 next_char(); | |
1789 | |
1790 do { | |
1791 ident = get_ident(); // Grab next identifier | |
1792 if (ident == NULL) { | |
1793 parse_err(SYNERR, "keyword identifier expected at \"%c\"\n", _curchar); | |
1794 continue; | |
1795 } | |
1796 skipws(); | |
1797 | |
1798 if (!strcmp(ident, "fixed_latency")) { | |
1799 skipws(); | |
1800 if (_curchar != '(') { | |
1801 parse_err(SYNERR, "missing \"(\" in latency definition\n"); | |
1802 return; | |
1803 } | |
1804 next_char(); skipws(); | |
1805 if( !isdigit(_curchar) ) { | |
1806 parse_err(SYNERR, "number expected for \"%c\" in latency definition\n", _curchar); | |
1807 return; | |
1808 } | |
1809 int fixed_latency = get_int(); | |
1810 skipws(); | |
1811 if (_curchar != ')') { | |
1812 parse_err(SYNERR, "missing \")\" in latency definition\n"); | |
1813 return; | |
1814 } | |
1815 next_char(); skipws(); | |
1816 if (_curchar != ';') { | |
1817 parse_err(SYNERR, "missing \";\" in latency definition\n"); | |
1818 return; | |
1819 } | |
1820 | |
1821 pipe_class->setFixedLatency(fixed_latency); | |
1822 next_char(); skipws(); | |
1823 continue; | |
1824 } | |
1825 | |
1826 if (!strcmp(ident, "zero_instructions") || | |
1827 !strcmp(ident, "no_instructions")) { | |
1828 skipws(); | |
1829 if (_curchar != ';') { | |
1830 parse_err(SYNERR, "missing \";\" in latency definition\n"); | |
1831 return; | |
1832 } | |
1833 | |
1834 pipe_class->setInstructionCount(0); | |
1835 next_char(); skipws(); | |
1836 continue; | |
1837 } | |
1838 | |
1839 if (!strcmp(ident, "one_instruction_with_delay_slot") || | |
1840 !strcmp(ident, "single_instruction_with_delay_slot")) { | |
1841 skipws(); | |
1842 if (_curchar != ';') { | |
1843 parse_err(SYNERR, "missing \";\" in latency definition\n"); | |
1844 return; | |
1845 } | |
1846 | |
1847 pipe_class->setInstructionCount(1); | |
1848 pipe_class->setBranchDelay(true); | |
1849 next_char(); skipws(); | |
1850 continue; | |
1851 } | |
1852 | |
1853 if (!strcmp(ident, "one_instruction") || | |
1854 !strcmp(ident, "single_instruction")) { | |
1855 skipws(); | |
1856 if (_curchar != ';') { | |
1857 parse_err(SYNERR, "missing \";\" in latency definition\n"); | |
1858 return; | |
1859 } | |
1860 | |
1861 pipe_class->setInstructionCount(1); | |
1862 next_char(); skipws(); | |
1863 continue; | |
1864 } | |
1865 | |
1866 if (!strcmp(ident, "instructions_in_first_bundle") || | |
1867 !strcmp(ident, "instruction_count")) { | |
1868 skipws(); | |
1869 | |
1870 int number_of_instructions = 1; | |
1871 | |
1872 if (_curchar != '(') { | |
1873 parse_err(SYNERR, "\"(\" expected at \"%c\"\n", _curchar); | |
1874 continue; | |
1875 } | |
1876 | |
1877 next_char(); skipws(); | |
1878 number_of_instructions = get_int(); | |
1879 | |
1880 skipws(); | |
1881 if (_curchar != ')') { | |
1882 parse_err(SYNERR, "\")\" expected at \"%c\"\n", _curchar); | |
1883 continue; | |
1884 } | |
1885 | |
1886 next_char(); skipws(); | |
1887 if (_curchar != ';') { | |
1888 parse_err(SYNERR, "missing \";\" in latency definition\n"); | |
1889 return; | |
1890 } | |
1891 | |
1892 pipe_class->setInstructionCount(number_of_instructions); | |
1893 next_char(); skipws(); | |
1894 continue; | |
1895 } | |
1896 | |
1897 if (!strcmp(ident, "multiple_bundles")) { | |
1898 skipws(); | |
1899 if (_curchar != ';') { | |
1900 parse_err(SYNERR, "missing \";\" after multiple bundles\n"); | |
1901 return; | |
1902 } | |
1903 | |
1904 pipe_class->setMultipleBundles(true); | |
1905 next_char(); skipws(); | |
1906 continue; | |
1907 } | |
1908 | |
1909 if (!strcmp(ident, "has_delay_slot")) { | |
1910 skipws(); | |
1911 if (_curchar != ';') { | |
1912 parse_err(SYNERR, "missing \";\" after \"has_delay_slot\"\n"); | |
1913 return; | |
1914 } | |
1915 | |
1916 pipe_class->setBranchDelay(true); | |
1917 next_char(); skipws(); | |
1918 continue; | |
1919 } | |
1920 | |
1921 if (!strcmp(ident, "force_serialization")) { | |
1922 skipws(); | |
1923 if (_curchar != ';') { | |
1924 parse_err(SYNERR, "missing \";\" after \"force_serialization\"\n"); | |
1925 return; | |
1926 } | |
1927 | |
1928 pipe_class->setForceSerialization(true); | |
1929 next_char(); skipws(); | |
1930 continue; | |
1931 } | |
1932 | |
1933 if (!strcmp(ident, "may_have_no_code")) { | |
1934 skipws(); | |
1935 if (_curchar != ';') { | |
1936 parse_err(SYNERR, "missing \";\" after \"may_have_no_code\"\n"); | |
1937 return; | |
1938 } | |
1939 | |
1940 pipe_class->setMayHaveNoCode(true); | |
1941 next_char(); skipws(); | |
1942 continue; | |
1943 } | |
1944 | |
1945 const Form *parm = pipe_class->_localNames[ident]; | |
1946 if (parm != NULL) { | |
1947 oper = parm->is_operand(); | |
1948 if (oper == NULL && !parm->is_opclass()) { | |
1949 parse_err(SYNERR, "operand name expected at %s\n", ident); | |
1950 continue; | |
1951 } | |
1952 | |
1953 if (_curchar != ':') { | |
1954 parse_err(SYNERR, "\":\" expected at \"%c\"\n", _curchar); | |
1955 continue; | |
1956 } | |
1957 next_char(); skipws(); | |
1958 stage = get_ident(); | |
1959 if (stage == NULL) { | |
1960 parse_err(SYNERR, "pipeline stage identifier expected at \"%c\"\n", _curchar); | |
1961 continue; | |
1962 } | |
1963 | |
1964 skipws(); | |
1965 if (_curchar != '(') { | |
1966 parse_err(SYNERR, "\"(\" expected at \"%c\"\n", _curchar); | |
1967 continue; | |
1968 } | |
1969 | |
1970 next_char(); | |
1971 read_or_write = get_ident(); | |
1972 if (read_or_write == NULL) { | |
1973 parse_err(SYNERR, "\"read\" or \"write\" expected at \"%c\"\n", _curchar); | |
1974 continue; | |
1975 } | |
1976 | |
1977 is_read = strcmp(read_or_write, "read") == 0; | |
1978 is_write = strcmp(read_or_write, "write") == 0; | |
1979 if (!is_read && !is_write) { | |
1980 parse_err(SYNERR, "\"read\" or \"write\" expected at \"%c\"\n", _curchar); | |
1981 continue; | |
1982 } | |
1983 | |
1984 skipws(); | |
1985 if (_curchar != ')') { | |
1986 parse_err(SYNERR, "\")\" expected at \"%c\"\n", _curchar); | |
1987 continue; | |
1988 } | |
1989 | |
1990 next_char(); skipws(); | |
1991 int more_instrs = 0; | |
1992 if (_curchar == '+') { | |
1993 next_char(); skipws(); | |
1994 if (_curchar < '0' || _curchar > '9') { | |
1995 parse_err(SYNERR, "<number> expected at \"%c\"\n", _curchar); | |
1996 continue; | |
1997 } | |
1998 while (_curchar >= '0' && _curchar <= '9') { | |
1999 more_instrs *= 10; | |
2000 more_instrs += _curchar - '0'; | |
2001 next_char(); | |
2002 } | |
2003 skipws(); | |
2004 } | |
2005 | |
2006 PipeClassOperandForm *pipe_operand = new PipeClassOperandForm(stage, is_write, more_instrs); | |
2007 pipe_class->_localUsage.Insert(ident, pipe_operand); | |
2008 | |
2009 if (_curchar == '%') | |
2010 continue; | |
2011 | |
2012 if (_curchar != ';') { | |
2013 parse_err(SYNERR, "\";\" expected at \"%c\"\n", _curchar); | |
2014 continue; | |
2015 } | |
2016 next_char(); skipws(); | |
2017 continue; | |
2018 } | |
2019 | |
2020 // Scan for Resource Specifier | |
2021 const Form *res = pipeline._resdict[ident]; | |
2022 if (res != NULL) { | |
2023 int cyclecnt = 1; | |
2024 if (_curchar != ':') { | |
2025 parse_err(SYNERR, "\":\" expected at \"%c\"\n", _curchar); | |
2026 continue; | |
2027 } | |
2028 next_char(); skipws(); | |
2029 stage = get_ident(); | |
2030 if (stage == NULL) { | |
2031 parse_err(SYNERR, "pipeline stage identifier expected at \"%c\"\n", _curchar); | |
2032 continue; | |
2033 } | |
2034 | |
2035 skipws(); | |
2036 if (_curchar == '(') { | |
2037 next_char(); | |
2038 cyclecnt = get_int(); | |
2039 | |
2040 skipws(); | |
2041 if (_curchar != ')') { | |
2042 parse_err(SYNERR, "\")\" expected at \"%c\"\n", _curchar); | |
2043 continue; | |
2044 } | |
2045 | |
2046 next_char(); skipws(); | |
2047 } | |
2048 | |
2049 PipeClassResourceForm *resource = new PipeClassResourceForm(ident, stage, cyclecnt); | |
2050 int stagenum = pipeline._stages.index(stage); | |
2051 if (pipeline._maxcycleused < (stagenum+cyclecnt)) | |
2052 pipeline._maxcycleused = (stagenum+cyclecnt); | |
2053 pipe_class->_resUsage.addForm(resource); | |
2054 | |
2055 if (_curchar == '%') | |
2056 continue; | |
2057 | |
2058 if (_curchar != ';') { | |
2059 parse_err(SYNERR, "\";\" expected at \"%c\"\n", _curchar); | |
2060 continue; | |
2061 } | |
2062 next_char(); skipws(); | |
2063 continue; | |
2064 } | |
2065 | |
2066 parse_err(SYNERR, "resource expected at \"%s\"\n", ident); | |
2067 return; | |
2068 } while(_curchar != '%'); | |
2069 | |
2070 next_char(); | |
2071 if (_curchar != '}') { | |
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
2072 parse_err(SYNERR, "missing \"%%}\" in pipe_class definition\n"); |
0 | 2073 return; |
2074 } | |
2075 | |
2076 next_char(); | |
2077 } | |
2078 | |
2079 //------------------------------peep_parse------------------------------------- | |
2080 void ADLParser::peep_parse(void) { | |
2081 Peephole *peep; // Pointer to current peephole rule form | |
2082 char *desc = NULL; // String representation of rule | |
2083 | |
2084 skipws(); // Skip leading whitespace | |
2085 | |
2086 peep = new Peephole(); // Build new Peephole object | |
2087 // Check for open block sequence | |
2088 skipws(); // Skip leading whitespace | |
2089 if (_curchar == '%' && *(_ptr+1) == '{') { | |
2090 next_char(); next_char(); // Skip "%{" | |
2091 skipws(); | |
2092 while (_curchar != '%' && *(_ptr+1) != '}') { | |
2093 char *token = get_ident(); | |
2094 if (token == NULL) { | |
2095 parse_err(SYNERR, "missing identifier inside peephole rule.\n"); | |
2096 return; | |
2097 } | |
2098 // check for legal subsections of peephole rule | |
2099 if (strcmp(token,"peepmatch")==0) { | |
2100 peep_match_parse(*peep); } | |
2101 else if (strcmp(token,"peepconstraint")==0) { | |
2102 peep_constraint_parse(*peep); } | |
2103 else if (strcmp(token,"peepreplace")==0) { | |
2104 peep_replace_parse(*peep); } | |
2105 else { | |
2106 parse_err(SYNERR, "expected peepmatch, peepconstraint, or peepreplace for identifier %s.\n", token); | |
2107 } | |
2108 skipws(); | |
2109 } | |
2110 } | |
2111 else { | |
2112 parse_err(SYNERR, "Missing %%{ ... %%} block after peephole keyword.\n"); | |
2113 return; | |
2114 } | |
2115 next_char(); // Skip past '%' | |
2116 next_char(); // Skip past '}' | |
2117 } | |
2118 | |
2119 // ******************** Private Level 2 Parse Functions ******************** | |
2120 //------------------------------constraint_parse------------------------------ | |
2121 Constraint *ADLParser::constraint_parse(void) { | |
2122 char *func; | |
2123 char *arg; | |
2124 | |
2125 // Check for constraint expression | |
2126 skipws(); | |
2127 if (_curchar != '(') { | |
2128 parse_err(SYNERR, "missing constraint expression, (...)\n"); | |
2129 return NULL; | |
2130 } | |
2131 next_char(); // Skip past '(' | |
2132 | |
2133 // Get constraint function | |
2134 skipws(); | |
2135 func = get_ident(); | |
2136 if (func == NULL) { | |
2137 parse_err(SYNERR, "missing function in constraint expression.\n"); | |
2138 return NULL; | |
2139 } | |
2140 if (strcmp(func,"ALLOC_IN_RC")==0 | |
2141 || strcmp(func,"IS_R_CLASS")==0) { | |
2142 // Check for '(' before argument | |
2143 skipws(); | |
2144 if (_curchar != '(') { | |
2145 parse_err(SYNERR, "missing '(' for constraint function's argument.\n"); | |
2146 return NULL; | |
2147 } | |
2148 next_char(); | |
2149 | |
2150 // Get it's argument | |
2151 skipws(); | |
2152 arg = get_ident(); | |
2153 if (arg == NULL) { | |
2154 parse_err(SYNERR, "missing argument for constraint function %s\n",func); | |
2155 return NULL; | |
2156 } | |
2157 // Check for ')' after argument | |
2158 skipws(); | |
2159 if (_curchar != ')') { | |
2160 parse_err(SYNERR, "missing ')' after constraint function argument %s\n",arg); | |
2161 return NULL; | |
2162 } | |
2163 next_char(); | |
2164 } else { | |
2165 parse_err(SYNERR, "Invalid constraint function %s\n",func); | |
2166 return NULL; | |
2167 } | |
2168 | |
2169 // Check for closing paren and ';' | |
2170 skipws(); | |
2171 if (_curchar != ')') { | |
2172 parse_err(SYNERR, "Missing ')' for constraint function %s\n",func); | |
2173 return NULL; | |
2174 } | |
2175 next_char(); | |
2176 skipws(); | |
2177 if (_curchar != ';') { | |
2178 parse_err(SYNERR, "Missing ';' after constraint.\n"); | |
2179 return NULL; | |
2180 } | |
2181 next_char(); | |
2182 | |
2183 // Create new "Constraint" | |
2184 Constraint *constraint = new Constraint(func,arg); | |
2185 return constraint; | |
2186 } | |
2187 | |
2188 //------------------------------constr_parse----------------------------------- | |
2189 ConstructRule *ADLParser::construct_parse(void) { | |
2190 return NULL; | |
2191 } | |
2192 | |
2193 | |
2194 //------------------------------reg_def_parse---------------------------------- | |
2195 void ADLParser::reg_def_parse(void) { | |
2196 char *rname; // Name of register being defined | |
2197 | |
2198 // Get register name | |
2199 skipws(); // Skip whitespace | |
2200 rname = get_ident(); | |
2201 if (rname == NULL) { | |
2202 parse_err(SYNERR, "missing register name after reg_def\n"); | |
2203 return; | |
2204 } | |
2205 | |
2206 // Check for definition of register calling convention (save on call, ...), | |
2207 // register save type, and register encoding value. | |
2208 skipws(); | |
2209 char *callconv = NULL; | |
2210 char *c_conv = NULL; | |
2211 char *idealtype = NULL; | |
2212 char *encoding = NULL; | |
2213 char *concrete = NULL; | |
2214 if (_curchar == '(') { | |
2215 next_char(); | |
2216 callconv = get_ident(); | |
2217 // Parse the internal calling convention, must be NS, SOC, SOE, or AS. | |
2218 if (callconv == NULL) { | |
2219 parse_err(SYNERR, "missing register calling convention value\n"); | |
2220 return; | |
2221 } | |
2222 if(strcmp(callconv, "SOC") && strcmp(callconv,"SOE") && | |
2223 strcmp(callconv, "NS") && strcmp(callconv, "AS")) { | |
2224 parse_err(SYNERR, "invalid value for register calling convention\n"); | |
2225 } | |
2226 skipws(); | |
2227 if (_curchar != ',') { | |
2228 parse_err(SYNERR, "missing comma in register definition statement\n"); | |
2229 return; | |
2230 } | |
2231 next_char(); | |
2232 | |
2233 // Parse the native calling convention, must be NS, SOC, SOE, AS | |
2234 c_conv = get_ident(); | |
2235 if (c_conv == NULL) { | |
2236 parse_err(SYNERR, "missing register native calling convention value\n"); | |
2237 return; | |
2238 } | |
2239 if(strcmp(c_conv, "SOC") && strcmp(c_conv,"SOE") && | |
2240 strcmp(c_conv, "NS") && strcmp(c_conv, "AS")) { | |
2241 parse_err(SYNERR, "invalid value for register calling convention\n"); | |
2242 } | |
2243 skipws(); | |
2244 if (_curchar != ',') { | |
2245 parse_err(SYNERR, "missing comma in register definition statement\n"); | |
2246 return; | |
2247 } | |
2248 next_char(); | |
2249 skipws(); | |
2250 | |
2251 // Parse the ideal save type | |
2252 idealtype = get_ident(); | |
2253 if (idealtype == NULL) { | |
2254 parse_err(SYNERR, "missing register save type value\n"); | |
2255 return; | |
2256 } | |
2257 skipws(); | |
2258 if (_curchar != ',') { | |
2259 parse_err(SYNERR, "missing comma in register definition statement\n"); | |
2260 return; | |
2261 } | |
2262 next_char(); | |
2263 skipws(); | |
2264 | |
2265 // Parse the encoding value | |
2266 encoding = get_expr("encoding", ","); | |
2267 if (encoding == NULL) { | |
2268 parse_err(SYNERR, "missing register encoding value\n"); | |
2269 return; | |
2270 } | |
2271 trim(encoding); | |
2272 if (_curchar != ',') { | |
2273 parse_err(SYNERR, "missing comma in register definition statement\n"); | |
2274 return; | |
2275 } | |
2276 next_char(); | |
2277 skipws(); | |
2278 // Parse the concrete name type | |
2279 // concrete = get_ident(); | |
2280 concrete = get_expr("concrete", ")"); | |
2281 if (concrete == NULL) { | |
2282 parse_err(SYNERR, "missing vm register name value\n"); | |
2283 return; | |
2284 } | |
2285 | |
2286 if (_curchar != ')') { | |
2287 parse_err(SYNERR, "missing ')' in register definition statement\n"); | |
2288 return; | |
2289 } | |
2290 next_char(); | |
2291 } | |
2292 | |
2293 // Check for closing ';' | |
2294 skipws(); | |
2295 if (_curchar != ';') { | |
2296 parse_err(SYNERR, "missing ';' after reg_def\n"); | |
2297 return; | |
2298 } | |
2299 next_char(); // move past ';' | |
2300 | |
2301 // Debug Stuff | |
2302 if (_AD._adl_debug > 1) { | |
2303 fprintf(stderr,"Register Definition: %s ( %s, %s %s )\n", rname, | |
2304 (callconv ? callconv : ""), (c_conv ? c_conv : ""), concrete); | |
2305 } | |
2306 | |
2307 // Record new register definition. | |
2308 _AD._register->addRegDef(rname, callconv, c_conv, idealtype, encoding, concrete); | |
2309 return; | |
2310 } | |
2311 | |
2312 //------------------------------reg_class_parse-------------------------------- | |
2313 void ADLParser::reg_class_parse(void) { | |
2314 char *cname; // Name of register class being defined | |
2315 | |
2316 // Get register class name | |
2317 skipws(); // Skip leading whitespace | |
2318 cname = get_ident(); | |
2319 if (cname == NULL) { | |
2320 parse_err(SYNERR, "missing register class name after 'reg_class'\n"); | |
2321 return; | |
2322 } | |
2323 // Debug Stuff | |
2324 if (_AD._adl_debug >1) fprintf(stderr,"Register Class: %s\n", cname); | |
2325 | |
2326 RegClass *reg_class = _AD._register->addRegClass(cname); | |
2327 | |
2328 // Collect registers in class | |
2329 skipws(); | |
2330 if (_curchar == '(') { | |
2331 next_char(); // Skip '(' | |
2332 skipws(); | |
2333 while (_curchar != ')') { | |
2334 char *rname = get_ident(); | |
2335 if (rname==NULL) { | |
2336 parse_err(SYNERR, "missing identifier inside reg_class list.\n"); | |
2337 return; | |
2338 } | |
2339 RegDef *regDef = _AD._register->getRegDef(rname); | |
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2340 if (!regDef) { |
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2341 parse_err(SEMERR, "unknown identifier %s inside reg_class list.\n", rname); |
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2342 } else { |
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2343 reg_class->addReg(regDef); // add regDef to regClass |
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2344 } |
0 | 2345 |
2346 // Check for ',' and position to next token. | |
2347 skipws(); | |
2348 if (_curchar == ',') { | |
2349 next_char(); // Skip trailing ',' | |
2350 skipws(); | |
2351 } | |
2352 } | |
2353 next_char(); // Skip closing ')' | |
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2354 } else if (_curchar == '%') { |
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2355 char *code = find_cpp_block("reg class"); |
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2356 if (code == NULL) { |
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2357 parse_err(SYNERR, "missing code declaration for reg class.\n"); |
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2358 return; |
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2359 } |
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2360 reg_class->_user_defined = code; |
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2361 return; |
0 | 2362 } |
2363 | |
2364 // Check for terminating ';' | |
2365 skipws(); | |
2366 if (_curchar != ';') { | |
2367 parse_err(SYNERR, "missing ';' at end of reg_class definition.\n"); | |
2368 return; | |
2369 } | |
2370 next_char(); // Skip trailing ';' | |
2371 | |
2372 // Check RegClass size, must be <= 32 registers in class. | |
2373 | |
2374 return; | |
2375 } | |
2376 | |
2377 //------------------------------alloc_class_parse------------------------------ | |
2378 void ADLParser::alloc_class_parse(void) { | |
2379 char *name; // Name of allocation class being defined | |
2380 | |
2381 // Get allocation class name | |
2382 skipws(); // Skip leading whitespace | |
2383 name = get_ident(); | |
2384 if (name == NULL) { | |
2385 parse_err(SYNERR, "missing allocation class name after 'reg_class'\n"); | |
2386 return; | |
2387 } | |
2388 // Debug Stuff | |
2389 if (_AD._adl_debug >1) fprintf(stderr,"Allocation Class: %s\n", name); | |
2390 | |
2391 AllocClass *alloc_class = _AD._register->addAllocClass(name); | |
2392 | |
2393 // Collect registers in class | |
2394 skipws(); | |
2395 if (_curchar == '(') { | |
2396 next_char(); // Skip '(' | |
2397 skipws(); | |
2398 while (_curchar != ')') { | |
2399 char *rname = get_ident(); | |
2400 if (rname==NULL) { | |
2401 parse_err(SYNERR, "missing identifier inside reg_class list.\n"); | |
2402 return; | |
2403 } | |
2404 // Check if name is a RegDef | |
2405 RegDef *regDef = _AD._register->getRegDef(rname); | |
2406 if (regDef) { | |
2407 alloc_class->addReg(regDef); // add regDef to allocClass | |
2408 } else { | |
2409 | |
2410 // name must be a RegDef or a RegClass | |
2411 parse_err(SYNERR, "name %s should be a previously defined reg_def.\n", rname); | |
2412 return; | |
2413 } | |
2414 | |
2415 // Check for ',' and position to next token. | |
2416 skipws(); | |
2417 if (_curchar == ',') { | |
2418 next_char(); // Skip trailing ',' | |
2419 skipws(); | |
2420 } | |
2421 } | |
2422 next_char(); // Skip closing ')' | |
2423 } | |
2424 | |
2425 // Check for terminating ';' | |
2426 skipws(); | |
2427 if (_curchar != ';') { | |
2428 parse_err(SYNERR, "missing ';' at end of reg_class definition.\n"); | |
2429 return; | |
2430 } | |
2431 next_char(); // Skip trailing ';' | |
2432 | |
2433 return; | |
2434 } | |
2435 | |
2436 //------------------------------peep_match_child_parse------------------------- | |
2437 InstructForm *ADLParser::peep_match_child_parse(PeepMatch &match, int parent, int &position, int input){ | |
2438 char *token = NULL; | |
2439 int lparen = 0; // keep track of parenthesis nesting depth | |
2440 int rparen = 0; // position of instruction at this depth | |
2441 InstructForm *inst_seen = NULL; | |
2442 | |
2443 // Walk the match tree, | |
2444 // Record <parent, position, instruction name, input position> | |
2445 while ( lparen >= rparen ) { | |
2446 skipws(); | |
2447 // Left paren signals start of an input, collect with recursive call | |
2448 if (_curchar == '(') { | |
2449 ++lparen; | |
2450 next_char(); | |
6850 | 2451 ( void ) peep_match_child_parse(match, parent, position, rparen); |
0 | 2452 } |
2453 // Right paren signals end of an input, may be more | |
2454 else if (_curchar == ')') { | |
2455 ++rparen; | |
2456 if( rparen == lparen ) { // IF rparen matches an lparen I've seen | |
2457 next_char(); // move past ')' | |
2458 } else { // ELSE leave ')' for parent | |
2459 assert( rparen == lparen + 1, "Should only see one extra ')'"); | |
2460 // if an instruction was not specified for this paren-pair | |
2461 if( ! inst_seen ) { // record signal entry | |
2462 match.add_instruction( parent, position, NameList::_signal, input ); | |
2463 ++position; | |
2464 } | |
2465 // ++input; // TEMPORARY | |
2466 return inst_seen; | |
2467 } | |
2468 } | |
2469 // if no parens, then check for instruction name | |
2470 // This instruction is the parent of a sub-tree | |
2471 else if ((token = get_ident_dup()) != NULL) { | |
2472 const Form *form = _AD._globalNames[token]; | |
2473 if (form) { | |
2474 InstructForm *inst = form->is_instruction(); | |
2475 // Record the first instruction at this level | |
2476 if( inst_seen == NULL ) { | |
2477 inst_seen = inst; | |
2478 } | |
2479 if (inst) { | |
2480 match.add_instruction( parent, position, token, input ); | |
2481 parent = position; | |
2482 ++position; | |
2483 } else { | |
2484 parse_err(SYNERR, "instruction name expected at identifier %s.\n", | |
2485 token); | |
2486 return inst_seen; | |
2487 } | |
2488 } | |
2489 else { | |
2490 parse_err(SYNERR, "missing identifier in peepmatch rule.\n"); | |
2491 return NULL; | |
2492 } | |
2493 } | |
2494 else { | |
2495 parse_err(SYNERR, "missing identifier in peepmatch rule.\n"); | |
2496 return NULL; | |
2497 } | |
2498 | |
2499 } // end while | |
2500 | |
2501 assert( false, "ShouldNotReachHere();"); | |
2502 return NULL; | |
2503 } | |
2504 | |
2505 //------------------------------peep_match_parse------------------------------- | |
2506 // Syntax for a peepmatch rule | |
2507 // | |
2508 // peepmatch ( root_instr_name [(instruction subtree)] [,(instruction subtree)]* ); | |
2509 // | |
2510 void ADLParser::peep_match_parse(Peephole &peep) { | |
2511 | |
2512 skipws(); | |
2513 // Check the structure of the rule | |
2514 // Check for open paren | |
2515 if (_curchar != '(') { | |
2516 parse_err(SYNERR, "missing '(' at start of peepmatch rule.\n"); | |
2517 return; | |
2518 } | |
2519 next_char(); // skip '(' | |
2520 | |
2521 // Construct PeepMatch and parse the peepmatch rule. | |
2522 PeepMatch *match = new PeepMatch(_ptr); | |
2523 int parent = -1; // parent of root | |
2524 int position = 0; // zero-based positions | |
2525 int input = 0; // input position in parent's operands | |
2526 InstructForm *root= peep_match_child_parse( *match, parent, position, input); | |
2527 if( root == NULL ) { | |
2528 parse_err(SYNERR, "missing instruction-name at start of peepmatch.\n"); | |
2529 return; | |
2530 } | |
2531 | |
2532 if( _curchar != ')' ) { | |
2533 parse_err(SYNERR, "missing ')' at end of peepmatch.\n"); | |
2534 return; | |
2535 } | |
2536 next_char(); // skip ')' | |
2537 | |
2538 // Check for closing semicolon | |
2539 skipws(); | |
2540 if( _curchar != ';' ) { | |
2541 parse_err(SYNERR, "missing ';' at end of peepmatch.\n"); | |
2542 return; | |
2543 } | |
2544 next_char(); // skip ';' | |
2545 | |
2546 // Store match into peep, and store peep into instruction | |
2547 peep.add_match(match); | |
2548 root->append_peephole(&peep); | |
2549 } | |
2550 | |
2551 //------------------------------peep_constraint_parse-------------------------- | |
2552 // Syntax for a peepconstraint rule | |
2553 // A parenthesized list of relations between operands in peepmatch subtree | |
2554 // | |
2555 // peepconstraint %{ | |
2556 // (instruction_number.operand_name | |
2557 // relational_op | |
2558 // instruction_number.operand_name OR register_name | |
2559 // [, ...] ); | |
2560 // | |
2561 // // instruction numbers are zero-based using topological order in peepmatch | |
2562 // | |
2563 void ADLParser::peep_constraint_parse(Peephole &peep) { | |
2564 | |
2565 skipws(); | |
2566 // Check the structure of the rule | |
2567 // Check for open paren | |
2568 if (_curchar != '(') { | |
2569 parse_err(SYNERR, "missing '(' at start of peepconstraint rule.\n"); | |
2570 return; | |
2571 } | |
2572 else { | |
2573 next_char(); // Skip '(' | |
2574 } | |
2575 | |
2576 // Check for a constraint | |
2577 skipws(); | |
2578 while( _curchar != ')' ) { | |
2579 // Get information on the left instruction and its operand | |
2580 // left-instructions's number | |
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2581 int left_inst = get_int(); |
0 | 2582 // Left-instruction's operand |
2583 skipws(); | |
2584 if( _curchar != '.' ) { | |
2585 parse_err(SYNERR, "missing '.' in peepconstraint after instruction number.\n"); | |
2586 return; | |
2587 } | |
2588 next_char(); // Skip '.' | |
2589 char *left_op = get_ident_dup(); | |
2590 | |
2591 skipws(); | |
2592 // Collect relational operator | |
2593 char *relation = get_relation_dup(); | |
2594 | |
2595 skipws(); | |
2596 // Get information on the right instruction and its operand | |
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2597 int right_inst; // Right-instructions's number |
0 | 2598 if( isdigit(_curchar) ) { |
2599 right_inst = get_int(); | |
2600 // Right-instruction's operand | |
2601 skipws(); | |
2602 if( _curchar != '.' ) { | |
2603 parse_err(SYNERR, "missing '.' in peepconstraint after instruction number.\n"); | |
2604 return; | |
2605 } | |
2606 next_char(); // Skip '.' | |
2607 } else { | |
2608 right_inst = -1; // Flag as being a register constraint | |
2609 } | |
2610 | |
2611 char *right_op = get_ident_dup(); | |
2612 | |
2613 // Construct the next PeepConstraint | |
2614 PeepConstraint *constraint = new PeepConstraint( left_inst, left_op, | |
2615 relation, | |
2616 right_inst, right_op ); | |
2617 // And append it to the list for this peephole rule | |
2618 peep.append_constraint( constraint ); | |
2619 | |
2620 // Check for another constraint, or end of rule | |
2621 skipws(); | |
2622 if( _curchar == ',' ) { | |
2623 next_char(); // Skip ',' | |
2624 skipws(); | |
2625 } | |
2626 else if( _curchar != ')' ) { | |
2627 parse_err(SYNERR, "expected ',' or ')' after peephole constraint.\n"); | |
2628 return; | |
2629 } | |
2630 } // end while( processing constraints ) | |
2631 next_char(); // Skip ')' | |
2632 | |
2633 // Check for terminating ';' | |
2634 skipws(); | |
2635 if (_curchar != ';') { | |
2636 parse_err(SYNERR, "missing ';' at end of peepconstraint.\n"); | |
2637 return; | |
2638 } | |
2639 next_char(); // Skip trailing ';' | |
2640 } | |
2641 | |
2642 | |
2643 //------------------------------peep_replace_parse----------------------------- | |
2644 // Syntax for a peepreplace rule | |
2645 // root instruction name followed by a | |
2646 // parenthesized list of whitespace separated instruction.operand specifiers | |
2647 // | |
2648 // peepreplace ( instr_name ( [instruction_number.operand_name]* ) ); | |
2649 // | |
2650 // | |
2651 void ADLParser::peep_replace_parse(Peephole &peep) { | |
2652 int lparen = 0; // keep track of parenthesis nesting depth | |
2653 int rparen = 0; // keep track of parenthesis nesting depth | |
2654 int icount = 0; // count of instructions in rule for naming | |
2655 char *str = NULL; | |
2656 char *token = NULL; | |
2657 | |
2658 skipws(); | |
2659 // Check for open paren | |
2660 if (_curchar != '(') { | |
2661 parse_err(SYNERR, "missing '(' at start of peepreplace rule.\n"); | |
2662 return; | |
2663 } | |
2664 else { | |
2665 lparen++; | |
2666 next_char(); | |
2667 } | |
2668 | |
2669 // Check for root instruction | |
2670 char *inst = get_ident_dup(); | |
2671 const Form *form = _AD._globalNames[inst]; | |
2672 if( form == NULL || form->is_instruction() == NULL ) { | |
2673 parse_err(SYNERR, "Instruction name expected at start of peepreplace.\n"); | |
2674 return; | |
2675 } | |
2676 | |
2677 // Store string representation of rule into replace | |
2678 PeepReplace *replace = new PeepReplace(str); | |
2679 replace->add_instruction( inst ); | |
2680 | |
2681 skipws(); | |
2682 // Start of root's operand-list | |
2683 if (_curchar != '(') { | |
2684 parse_err(SYNERR, "missing '(' at peepreplace root's operand-list.\n"); | |
2685 return; | |
2686 } | |
2687 else { | |
2688 lparen++; | |
2689 next_char(); | |
2690 } | |
2691 | |
2692 skipws(); | |
2693 // Get the list of operands | |
2694 while( _curchar != ')' ) { | |
2695 // Get information on an instruction and its operand | |
2696 // instructions's number | |
2697 int inst_num = get_int(); | |
2698 // Left-instruction's operand | |
2699 skipws(); | |
2700 if( _curchar != '.' ) { | |
2701 parse_err(SYNERR, "missing '.' in peepreplace after instruction number.\n"); | |
2702 return; | |
2703 } | |
2704 next_char(); // Skip '.' | |
2705 char *inst_op = get_ident_dup(); | |
2706 if( inst_op == NULL ) { | |
2707 parse_err(SYNERR, "missing operand identifier in peepreplace.\n"); | |
2708 return; | |
2709 } | |
2710 | |
2711 // Record this operand's position in peepmatch | |
2712 replace->add_operand( inst_num, inst_op ); | |
2713 skipws(); | |
2714 } | |
2715 | |
2716 // Check for the end of operands list | |
2717 skipws(); | |
2718 assert( _curchar == ')', "While loop should have advanced to ')'."); | |
2719 next_char(); // Skip ')' | |
2720 | |
2721 skipws(); | |
2722 // Check for end of peepreplace | |
2723 if( _curchar != ')' ) { | |
2724 parse_err(SYNERR, "missing ')' at end of peepmatch.\n"); | |
2725 parse_err(SYNERR, "Support one replacement instruction.\n"); | |
2726 return; | |
2727 } | |
2728 next_char(); // Skip ')' | |
2729 | |
2730 // Check for closing semicolon | |
2731 skipws(); | |
2732 if( _curchar != ';' ) { | |
2733 parse_err(SYNERR, "missing ';' at end of peepreplace.\n"); | |
2734 return; | |
2735 } | |
2736 next_char(); // skip ';' | |
2737 | |
2738 // Store replace into peep | |
2739 peep.add_replace( replace ); | |
2740 } | |
2741 | |
2742 //------------------------------pred_parse------------------------------------- | |
2743 Predicate *ADLParser::pred_parse(void) { | |
2744 Predicate *predicate; // Predicate class for operand | |
2745 char *rule = NULL; // String representation of predicate | |
2746 | |
2747 skipws(); // Skip leading whitespace | |
475
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
2748 int line = linenum(); |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
2749 if ( (rule = get_paren_expr("pred expression", true)) == NULL ) { |
0 | 2750 parse_err(SYNERR, "incorrect or missing expression for 'predicate'\n"); |
2751 return NULL; | |
2752 } | |
2753 // Debug Stuff | |
2754 if (_AD._adl_debug > 1) fprintf(stderr,"Predicate: %s\n", rule); | |
2755 if (_curchar != ';') { | |
2756 parse_err(SYNERR, "missing ';' in predicate definition\n"); | |
2757 return NULL; | |
2758 } | |
2759 next_char(); // Point after the terminator | |
2760 | |
2761 predicate = new Predicate(rule); // Build new predicate object | |
2762 skipws(); | |
2763 return predicate; | |
2764 } | |
2765 | |
2766 | |
2767 //------------------------------ins_encode_parse_block------------------------- | |
2768 // Parse the block form of ins_encode. See ins_encode_parse for more details | |
2008 | 2769 void ADLParser::ins_encode_parse_block(InstructForm& inst) { |
0 | 2770 // Create a new encoding name based on the name of the instruction |
2771 // definition, which should be unique. | |
2008 | 2772 const char* prefix = "__ins_encode_"; |
2773 char* ec_name = (char*) malloc(strlen(inst._ident) + strlen(prefix) + 1); | |
0 | 2774 sprintf(ec_name, "%s%s", prefix, inst._ident); |
2775 | |
2776 assert(_AD._encode->encClass(ec_name) == NULL, "shouldn't already exist"); | |
2008 | 2777 EncClass* encoding = _AD._encode->add_EncClass(ec_name); |
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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parents:
0
diff
changeset
|
2778 encoding->_linenum = linenum(); |
0 | 2779 |
2780 // synthesize the arguments list for the enc_class from the | |
2781 // arguments to the instruct definition. | |
2008 | 2782 const char* param = NULL; |
0 | 2783 inst._parameters.reset(); |
2784 while ((param = inst._parameters.iter()) != NULL) { | |
2008 | 2785 OperandForm* opForm = (OperandForm*) inst._localNames[param]; |
0 | 2786 encoding->add_parameter(opForm->_ident, param); |
2787 } | |
2788 | |
14428
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
2789 if (!inst._is_postalloc_expand) { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
2790 // Define a MacroAssembler instance for use by the encoding. The |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
2791 // name is chosen to match the __ idiom used for assembly in other |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
2792 // 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
|
2793 // #define __ _masm. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
2794 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
|
2795 } |
0 | 2796 |
2797 // Parse the following %{ }% block | |
2008 | 2798 ins_encode_parse_block_impl(inst, encoding, ec_name); |
0 | 2799 |
2800 // Build an encoding rule which invokes the encoding rule we just | |
2801 // created, passing all arguments that we received. | |
2008 | 2802 InsEncode* encrule = new InsEncode(); // Encode class for instruction |
2803 NameAndList* params = encrule->add_encode(ec_name); | |
0 | 2804 inst._parameters.reset(); |
2805 while ((param = inst._parameters.iter()) != NULL) { | |
2806 params->add_entry(param); | |
2807 } | |
2808 | |
3793
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
2809 // 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
|
2810 // 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
|
2811 if (inst._insencode != NULL) { |
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
2812 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
|
2813 return; |
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
2814 } |
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
2815 |
2008 | 2816 // Set encode class of this instruction. |
2817 inst._insencode = encrule; | |
2818 } | |
2819 | |
2820 | |
2821 void ADLParser::ins_encode_parse_block_impl(InstructForm& inst, EncClass* encoding, char* ec_name) { | |
2822 skipws_no_preproc(); // Skip leading whitespace | |
2823 // Prepend location descriptor, for debugging; cf. ADLParser::find_cpp_block | |
2824 if (_AD._adlocation_debug) { | |
2825 encoding->add_code(get_line_string()); | |
2826 } | |
2827 | |
2828 // Collect the parts of the encode description | |
2829 // (1) strings that are passed through to output | |
2830 // (2) replacement/substitution variable, preceeded by a '$' | |
2831 while ((_curchar != '%') && (*(_ptr+1) != '}')) { | |
2832 | |
2833 // (1) | |
2834 // Check if there is a string to pass through to output | |
2835 char *start = _ptr; // Record start of the next string | |
2836 while ((_curchar != '$') && ((_curchar != '%') || (*(_ptr+1) != '}')) ) { | |
2837 // If at the start of a comment, skip past it | |
2838 if( (_curchar == '/') && ((*(_ptr+1) == '/') || (*(_ptr+1) == '*')) ) { | |
2839 skipws_no_preproc(); | |
2840 } else { | |
2841 // ELSE advance to the next character, or start of the next line | |
2842 next_char_or_line(); | |
2843 } | |
2844 } | |
2845 // If a string was found, terminate it and record in EncClass | |
2846 if (start != _ptr) { | |
2847 *_ptr = '\0'; // Terminate the string | |
2848 encoding->add_code(start); | |
2849 } | |
2850 | |
2851 // (2) | |
2852 // If we are at a replacement variable, | |
2853 // copy it and record in EncClass | |
2854 if (_curchar == '$') { | |
2855 // Found replacement Variable | |
2856 char* rep_var = get_rep_var_ident_dup(); | |
2857 | |
2858 // Add flag to _strings list indicating we should check _rep_vars | |
2859 encoding->add_rep_var(rep_var); | |
2860 | |
2861 skipws(); | |
2862 | |
2863 // Check if this instruct is a MachConstantNode. | |
2864 if (strcmp(rep_var, "constanttablebase") == 0) { | |
2865 // This instruct is a MachConstantNode. | |
14434
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2866 inst.set_needs_constant_base(true); |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2867 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
|
2868 inst.set_is_mach_constant(true); |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2869 } |
2008 | 2870 |
2871 if (_curchar == '(') { | |
14428
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
2872 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
|
2873 "(only constantaddress and constantoffset)", ec_name); |
2008 | 2874 return; |
2875 } | |
2876 } | |
2877 else if ((strcmp(rep_var, "constantaddress") == 0) || | |
2878 (strcmp(rep_var, "constantoffset") == 0)) { | |
2879 // This instruct is a MachConstantNode. | |
2880 inst.set_is_mach_constant(true); | |
2881 | |
2882 // If the constant keyword has an argument, parse it. | |
2883 if (_curchar == '(') constant_parse(inst); | |
2884 } | |
2885 } | |
2886 } // end while part of format description | |
2887 next_char(); // Skip '%' | |
2888 next_char(); // Skip '}' | |
2889 | |
2890 skipws(); | |
2891 | |
2892 if (_AD._adlocation_debug) { | |
2893 encoding->add_code(end_line_marker()); | |
2894 } | |
2895 | |
2896 // Debug Stuff | |
2897 if (_AD._adl_debug > 1) fprintf(stderr, "EncodingClass Form: %s\n", ec_name); | |
0 | 2898 } |
2899 | |
2900 | |
2901 //------------------------------ins_encode_parse------------------------------- | |
2902 // Encode rules have the form | |
2903 // ins_encode( encode_class_name(parameter_list), ... ); | |
2904 // | |
2905 // The "encode_class_name" must be defined in the encode section | |
2906 // The parameter list contains $names that are locals. | |
2907 // | |
2908 // Alternatively it can be written like this: | |
2909 // | |
2910 // ins_encode %{ | |
2911 // ... // body | |
2912 // %} | |
2913 // | |
2914 // which synthesizes a new encoding class taking the same arguments as | |
2915 // the InstructForm, and automatically prefixes the definition with: | |
2916 // | |
2917 // MacroAssembler masm(&cbuf);\n"); | |
2918 // | |
2919 // making it more compact to take advantage of the MacroAssembler and | |
2920 // placing the assembly closer to it's use by instructions. | |
2008 | 2921 void ADLParser::ins_encode_parse(InstructForm& inst) { |
0 | 2922 |
2923 // Parse encode class name | |
2924 skipws(); // Skip whitespace | |
2925 if (_curchar != '(') { | |
2926 // Check for ins_encode %{ form | |
2927 if ((_curchar == '%') && (*(_ptr+1) == '{')) { | |
2928 next_char(); // Skip '%' | |
2929 next_char(); // Skip '{' | |
2930 | |
2931 // Parse the block form of ins_encode | |
2008 | 2932 ins_encode_parse_block(inst); |
2933 return; | |
0 | 2934 } |
2935 | |
2936 parse_err(SYNERR, "missing '%%{' or '(' in ins_encode definition\n"); | |
2008 | 2937 return; |
0 | 2938 } |
2939 next_char(); // move past '(' | |
2940 skipws(); | |
2941 | |
2942 InsEncode *encrule = new InsEncode(); // Encode class for instruction | |
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
2943 encrule->_linenum = linenum(); |
0 | 2944 char *ec_name = NULL; // String representation of encode rule |
2945 // identifier is optional. | |
2946 while (_curchar != ')') { | |
2947 ec_name = get_ident(); | |
2948 if (ec_name == NULL) { | |
2949 parse_err(SYNERR, "Invalid encode class name after 'ins_encode('.\n"); | |
2008 | 2950 return; |
0 | 2951 } |
2952 // Check that encoding is defined in the encode section | |
2953 EncClass *encode_class = _AD._encode->encClass(ec_name); | |
2954 if (encode_class == NULL) { | |
2955 // Like to defer checking these till later... | |
2956 // parse_err(WARN, "Using an undefined encode class '%s' in 'ins_encode'.\n", ec_name); | |
2957 } | |
2958 | |
2959 // Get list for encode method's parameters | |
2960 NameAndList *params = encrule->add_encode(ec_name); | |
2961 | |
2962 // Parse the parameters to this encode method. | |
2963 skipws(); | |
2964 if ( _curchar == '(' ) { | |
2965 next_char(); // move past '(' for parameters | |
2966 | |
2967 // Parse the encode method's parameters | |
2968 while (_curchar != ')') { | |
2969 char *param = get_ident_or_literal_constant("encoding operand"); | |
2970 if ( param != NULL ) { | |
14434
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2971 |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2972 // Check if this instruct is a MachConstantNode. |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2973 if (strcmp(param, "constanttablebase") == 0) { |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2974 // This instruct is a MachConstantNode. |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2975 inst.set_needs_constant_base(true); |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2976 if (strncmp("MachCall", inst.mach_base_class(_globalNames), strlen("MachCall")) != 0 ) { |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2977 inst.set_is_mach_constant(true); |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2978 } |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2979 |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2980 if (_curchar == '(') { |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2981 parse_err(SYNERR, "constanttablebase in instruct %s cannot have an argument " |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2982 "(only constantaddress and constantoffset)", ec_name); |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2983 return; |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2984 } |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2985 } else { |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2986 // Found a parameter: |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2987 // Check it is a local name, add it to the list, then check for more |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2988 // New: allow hex constants as parameters to an encode method. |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2989 // New: allow parenthesized expressions as parameters. |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2990 // New: allow "primary", "secondary", "tertiary" as parameters. |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2991 // New: allow user-defined register name as parameter |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2992 if ( (inst._localNames[param] == NULL) && |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2993 !ADLParser::is_literal_constant(param) && |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2994 (Opcode::as_opcode_type(param) == Opcode::NOT_AN_OPCODE) && |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2995 ((_AD._register == NULL ) || (_AD._register->getRegDef(param) == NULL)) ) { |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2996 parse_err(SYNERR, "Using non-locally defined parameter %s for encoding %s.\n", param, ec_name); |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2997 return; |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
2998 } |
0 | 2999 } |
3000 params->add_entry(param); | |
3001 | |
3002 skipws(); | |
3003 if (_curchar == ',' ) { | |
3004 // More parameters to come | |
3005 next_char(); // move past ',' between parameters | |
3006 skipws(); // Skip to next parameter | |
3007 } | |
3008 else if (_curchar == ')') { | |
3009 // Done with parameter list | |
3010 } | |
3011 else { | |
3012 // Only ',' or ')' are valid after a parameter name | |
3013 parse_err(SYNERR, "expected ',' or ')' after parameter %s.\n", | |
3014 ec_name); | |
2008 | 3015 return; |
0 | 3016 } |
3017 | |
3018 } else { | |
3019 skipws(); | |
3020 // Did not find a parameter | |
3021 if (_curchar == ',') { | |
3022 parse_err(SYNERR, "Expected encode parameter before ',' in encoding %s.\n", ec_name); | |
2008 | 3023 return; |
0 | 3024 } |
3025 if (_curchar != ')') { | |
3026 parse_err(SYNERR, "Expected ')' after encode parameters.\n"); | |
2008 | 3027 return; |
0 | 3028 } |
3029 } | |
3030 } // WHILE loop collecting parameters | |
3031 next_char(); // move past ')' at end of parameters | |
3032 } // done with parameter list for encoding | |
3033 | |
3034 // Check for ',' or ')' after encoding | |
3035 skipws(); // move to character after parameters | |
3036 if ( _curchar == ',' ) { | |
3037 // Found a ',' | |
3038 next_char(); // move past ',' between encode methods | |
3039 skipws(); | |
3040 } | |
3041 else if ( _curchar != ')' ) { | |
3042 // If not a ',' then only a ')' is allowed | |
3043 parse_err(SYNERR, "Expected ')' after encoding %s.\n", ec_name); | |
2008 | 3044 return; |
0 | 3045 } |
3046 | |
3047 // Check for ',' separating parameters | |
3048 // if ( _curchar != ',' && _curchar != ')' ) { | |
3049 // parse_err(SYNERR, "expected ',' or ')' after encode method inside ins_encode.\n"); | |
3050 // return NULL; | |
3051 // } | |
3052 | |
3053 } // done parsing ins_encode methods and their parameters | |
3054 if (_curchar != ')') { | |
3055 parse_err(SYNERR, "Missing ')' at end of ins_encode description.\n"); | |
2008 | 3056 return; |
0 | 3057 } |
3058 next_char(); // move past ')' | |
3059 skipws(); // Skip leading whitespace | |
3060 | |
3061 if ( _curchar != ';' ) { | |
3062 parse_err(SYNERR, "Missing ';' at end of ins_encode.\n"); | |
2008 | 3063 return; |
0 | 3064 } |
3065 next_char(); // move past ';' | |
3066 skipws(); // be friendly to oper_parse() | |
3067 | |
3793
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
3068 // Check for duplicate ins_encode sections after parsing the block |
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
3069 // so that parsing can continue and find any other errors. |
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
3070 if (inst._insencode != NULL) { |
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
3071 parse_err(SYNERR, "Multiple ins_encode sections defined\n"); |
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
3072 return; |
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
3073 } |
fe240d87c6ec
7061101: adlc should complain about mixing block and expression forms of ins_encode
never
parents:
2008
diff
changeset
|
3074 |
0 | 3075 // Debug Stuff |
3076 if (_AD._adl_debug > 1) fprintf(stderr,"Instruction Encode: %s\n", ec_name); | |
3077 | |
2008 | 3078 // Set encode class of this instruction. |
3079 inst._insencode = encrule; | |
3080 } | |
3081 | |
14428
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3082 //------------------------------postalloc_expand_parse--------------------------- |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3083 // Encode rules have the form |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3084 // postalloc_expand( encode_class_name(parameter_list) ); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3085 // |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3086 // The "encode_class_name" must be defined in the encode section. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3087 // The parameter list contains $names that are locals. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3088 // |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3089 // This is just a copy of ins_encode_parse without the loop. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3090 void ADLParser::postalloc_expand_parse(InstructForm& inst) { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3091 inst._is_postalloc_expand = true; |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3092 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3093 // Parse encode class name. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3094 skipws(); // Skip whitespace. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3095 if (_curchar != '(') { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3096 // Check for postalloc_expand %{ form |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3097 if ((_curchar == '%') && (*(_ptr+1) == '{')) { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3098 next_char(); // Skip '%' |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3099 next_char(); // Skip '{' |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3100 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3101 // Parse the block form of postalloc_expand |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3102 ins_encode_parse_block(inst); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3103 return; |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3104 } |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3105 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3106 parse_err(SYNERR, "missing '(' in postalloc_expand definition\n"); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3107 return; |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3108 } |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3109 next_char(); // Move past '('. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3110 skipws(); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3111 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3112 InsEncode *encrule = new InsEncode(); // Encode class for instruction. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3113 encrule->_linenum = linenum(); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3114 char *ec_name = NULL; // String representation of encode rule. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3115 // identifier is optional. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3116 if (_curchar != ')') { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3117 ec_name = get_ident(); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3118 if (ec_name == NULL) { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3119 parse_err(SYNERR, "Invalid postalloc_expand class name after 'postalloc_expand('.\n"); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3120 return; |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3121 } |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3122 // Check that encoding is defined in the encode section. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3123 EncClass *encode_class = _AD._encode->encClass(ec_name); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3124 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3125 // Get list for encode method's parameters |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3126 NameAndList *params = encrule->add_encode(ec_name); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3127 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3128 // Parse the parameters to this encode method. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3129 skipws(); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3130 if (_curchar == '(') { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3131 next_char(); // Move past '(' for parameters. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3132 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3133 // Parse the encode method's parameters. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3134 while (_curchar != ')') { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3135 char *param = get_ident_or_literal_constant("encoding operand"); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3136 if (param != NULL) { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3137 // Found a parameter: |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3138 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3139 // First check for constant table support. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3140 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3141 // Check if this instruct is a MachConstantNode. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3142 if (strcmp(param, "constanttablebase") == 0) { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3143 // This instruct is a MachConstantNode. |
14434
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3144 inst.set_needs_constant_base(true); |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3145 if (strncmp("MachCall", inst.mach_base_class(_globalNames), strlen("MachCall")) != 0 ) { |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3146 inst.set_is_mach_constant(true); |
318d0622a6d7
8028580: PPC64 (part 114/120): Support for Call nodes with constants.
goetz
parents:
14431
diff
changeset
|
3147 } |
14428
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3148 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3149 if (_curchar == '(') { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3150 parse_err(SYNERR, "constanttablebase in instruct %s cannot have an argument " |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3151 "(only constantaddress and constantoffset)", ec_name); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3152 return; |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3153 } |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3154 } |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3155 else if ((strcmp(param, "constantaddress") == 0) || |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3156 (strcmp(param, "constantoffset") == 0)) { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3157 // This instruct is a MachConstantNode. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3158 inst.set_is_mach_constant(true); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3159 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3160 // If the constant keyword has an argument, parse it. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3161 if (_curchar == '(') constant_parse(inst); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3162 } |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3163 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3164 // Else check it is a local name, add it to the list, then check for more. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3165 // New: allow hex constants as parameters to an encode method. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3166 // New: allow parenthesized expressions as parameters. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3167 // New: allow "primary", "secondary", "tertiary" as parameters. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3168 // New: allow user-defined register name as parameter. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3169 else if ((inst._localNames[param] == NULL) && |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3170 !ADLParser::is_literal_constant(param) && |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3171 (Opcode::as_opcode_type(param) == Opcode::NOT_AN_OPCODE) && |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3172 ((_AD._register == NULL) || (_AD._register->getRegDef(param) == NULL))) { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3173 parse_err(SYNERR, "Using non-locally defined parameter %s for encoding %s.\n", param, ec_name); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3174 return; |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3175 } |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3176 params->add_entry(param); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3177 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3178 skipws(); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3179 if (_curchar == ',') { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3180 // More parameters to come. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3181 next_char(); // Move past ',' between parameters. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3182 skipws(); // Skip to next parameter. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3183 } else if (_curchar == ')') { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3184 // Done with parameter list |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3185 } else { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3186 // Only ',' or ')' are valid after a parameter name. |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3187 parse_err(SYNERR, "expected ',' or ')' after parameter %s.\n", ec_name); |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3188 return; |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3189 } |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3190 |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3191 } else { |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
goetz
parents:
12323
diff
changeset
|
3192 skipws(); |
044b28168e20
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3193 // Did not find a parameter. |
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3194 if (_curchar == ',') { |
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3195 parse_err(SYNERR, "Expected encode parameter before ',' in postalloc_expand %s.\n", ec_name); |
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3196 return; |
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3197 } |
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3198 if (_curchar != ')') { |
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3199 parse_err(SYNERR, "Expected ')' after postalloc_expand parameters.\n"); |
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3200 return; |
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3201 } |
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3202 } |
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3203 } // WHILE loop collecting parameters. |
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3204 next_char(); // Move past ')' at end of parameters. |
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3205 } // Done with parameter list for encoding. |
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3206 |
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3207 // Check for ',' or ')' after encoding. |
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3208 skipws(); // Move to character after parameters. |
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3209 if (_curchar != ')') { |
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3210 // Only a ')' is allowed. |
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3211 parse_err(SYNERR, "Expected ')' after postalloc_expand %s.\n", ec_name); |
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3212 return; |
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3213 } |
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3214 } // Done parsing postalloc_expand method and their parameters. |
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3215 if (_curchar != ')') { |
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3216 parse_err(SYNERR, "Missing ')' at end of postalloc_expand description.\n"); |
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3217 return; |
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3218 } |
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3219 next_char(); // Move past ')'. |
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3220 skipws(); // Skip leading whitespace. |
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3221 |
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3222 if (_curchar != ';') { |
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3223 parse_err(SYNERR, "Missing ';' at end of postalloc_expand.\n"); |
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3224 return; |
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3225 } |
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3226 next_char(); // Move past ';'. |
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3227 skipws(); // Be friendly to oper_parse(). |
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3228 |
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3229 // Debug Stuff. |
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3230 if (_AD._adl_debug > 1) fprintf(stderr, "Instruction postalloc_expand: %s\n", ec_name); |
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3231 |
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3232 // Set encode class of this instruction. |
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3233 inst._insencode = encrule; |
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3234 } |
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3235 |
2008 | 3236 |
3237 //------------------------------constant_parse--------------------------------- | |
3238 // Parse a constant expression. | |
3239 void ADLParser::constant_parse(InstructForm& inst) { | |
3240 // Create a new encoding name based on the name of the instruction | |
3241 // definition, which should be unique. | |
3242 const char* prefix = "__constant_"; | |
3243 char* ec_name = (char*) malloc(strlen(inst._ident) + strlen(prefix) + 1); | |
3244 sprintf(ec_name, "%s%s", prefix, inst._ident); | |
3245 | |
3246 assert(_AD._encode->encClass(ec_name) == NULL, "shouldn't already exist"); | |
3247 EncClass* encoding = _AD._encode->add_EncClass(ec_name); | |
3248 encoding->_linenum = linenum(); | |
3249 | |
3250 // synthesize the arguments list for the enc_class from the | |
3251 // arguments to the instruct definition. | |
3252 const char* param = NULL; | |
3253 inst._parameters.reset(); | |
3254 while ((param = inst._parameters.iter()) != NULL) { | |
3255 OperandForm* opForm = (OperandForm*) inst._localNames[param]; | |
3256 encoding->add_parameter(opForm->_ident, param); | |
3257 } | |
3258 | |
3259 // Parse the following ( ) expression. | |
3260 constant_parse_expression(encoding, ec_name); | |
3261 | |
3262 // Build an encoding rule which invokes the encoding rule we just | |
3263 // created, passing all arguments that we received. | |
3264 InsEncode* encrule = new InsEncode(); // Encode class for instruction | |
3265 NameAndList* params = encrule->add_encode(ec_name); | |
3266 inst._parameters.reset(); | |
3267 while ((param = inst._parameters.iter()) != NULL) { | |
3268 params->add_entry(param); | |
3269 } | |
3270 | |
3271 // Set encode class of this instruction. | |
3272 inst._constant = encrule; | |
3273 } | |
3274 | |
3275 | |
3276 //------------------------------constant_parse_expression---------------------- | |
3277 void ADLParser::constant_parse_expression(EncClass* encoding, char* ec_name) { | |
3278 skipws(); | |
3279 | |
3280 // Prepend location descriptor, for debugging; cf. ADLParser::find_cpp_block | |
3281 if (_AD._adlocation_debug) { | |
3282 encoding->add_code(get_line_string()); | |
3283 } | |
3284 | |
3285 // Start code line. | |
3286 encoding->add_code(" _constant = C->constant_table().add"); | |
3287 | |
3288 // Parse everything in ( ) expression. | |
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3289 encoding->add_code("(this, "); |
2008 | 3290 next_char(); // Skip '(' |
3291 int parens_depth = 1; | |
3292 | |
3293 // Collect the parts of the constant expression. | |
3294 // (1) strings that are passed through to output | |
3295 // (2) replacement/substitution variable, preceeded by a '$' | |
3296 while (parens_depth > 0) { | |
3297 if (_curchar == '(') { | |
3298 parens_depth++; | |
3299 encoding->add_code("("); | |
3300 next_char(); | |
3301 } | |
3302 else if (_curchar == ')') { | |
3303 parens_depth--; | |
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3304 if (parens_depth > 0) |
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3305 encoding->add_code(")"); |
2008 | 3306 next_char(); |
3307 } | |
3308 else { | |
3309 // (1) | |
3310 // Check if there is a string to pass through to output | |
3311 char *start = _ptr; // Record start of the next string | |
3312 while ((_curchar != '$') && (_curchar != '(') && (_curchar != ')')) { | |
3313 next_char(); | |
3314 } | |
3315 // If a string was found, terminate it and record in EncClass | |
3316 if (start != _ptr) { | |
3317 *_ptr = '\0'; // Terminate the string | |
3318 encoding->add_code(start); | |
3319 } | |
3320 | |
3321 // (2) | |
3322 // If we are at a replacement variable, copy it and record in EncClass. | |
3323 if (_curchar == '$') { | |
3324 // Found replacement Variable | |
3325 char* rep_var = get_rep_var_ident_dup(); | |
3326 encoding->add_rep_var(rep_var); | |
3327 } | |
3328 } | |
3329 } | |
3330 | |
3331 // Finish code line. | |
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3332 encoding->add_code(");"); |
2008 | 3333 |
3334 if (_AD._adlocation_debug) { | |
3335 encoding->add_code(end_line_marker()); | |
3336 } | |
3337 | |
3338 // Debug Stuff | |
3339 if (_AD._adl_debug > 1) fprintf(stderr, "EncodingClass Form: %s\n", ec_name); | |
0 | 3340 } |
3341 | |
3342 | |
3343 //------------------------------size_parse----------------------------------- | |
6850 | 3344 // Parse a 'size(<expr>)' attribute which specifies the size of the |
3345 // emitted instructions in bytes. <expr> can be a C++ expression, | |
3346 // e.g. a constant. | |
0 | 3347 char* ADLParser::size_parse(InstructForm *instr) { |
3348 char* sizeOfInstr = NULL; | |
3349 | |
3350 // Get value of the instruction's size | |
3351 skipws(); | |
3352 | |
3353 // Parse size | |
3354 sizeOfInstr = get_paren_expr("size expression"); | |
3355 if (sizeOfInstr == NULL) { | |
3356 parse_err(SYNERR, "size of opcode expected at %c\n", _curchar); | |
3357 return NULL; | |
3358 } | |
3359 | |
3360 skipws(); | |
3361 | |
3362 // Check for terminator | |
3363 if (_curchar != ';') { | |
3364 parse_err(SYNERR, "missing ';' in ins_attrib definition\n"); | |
3365 return NULL; | |
3366 } | |
3367 next_char(); // Advance past the ';' | |
3368 skipws(); // necessary for instr_parse() | |
3369 | |
3370 // Debug Stuff | |
3371 if (_AD._adl_debug > 1) { | |
3372 if (sizeOfInstr != NULL) { | |
3373 fprintf(stderr,"size of opcode: %s\n", sizeOfInstr); | |
3374 } | |
3375 } | |
3376 | |
3377 return sizeOfInstr; | |
3378 } | |
3379 | |
3380 | |
3381 //------------------------------opcode_parse----------------------------------- | |
3382 Opcode * ADLParser::opcode_parse(InstructForm *instr) { | |
3383 char *primary = NULL; | |
3384 char *secondary = NULL; | |
3385 char *tertiary = NULL; | |
3386 | |
3387 char *val = NULL; | |
3388 Opcode *opcode = NULL; | |
3389 | |
3390 // Get value of the instruction's opcode | |
3391 skipws(); | |
3392 if (_curchar != '(') { // Check for parenthesized operand list | |
3393 parse_err(SYNERR, "missing '(' in expand instruction declaration\n"); | |
3394 return NULL; | |
3395 } | |
3396 next_char(); // skip open paren | |
3397 skipws(); | |
3398 if (_curchar != ')') { | |
3399 // Parse primary, secondary, and tertiary opcodes, if provided. | |
3400 if ( ((primary = get_ident_or_literal_constant("primary opcode")) == NULL) ) { | |
3401 parse_err(SYNERR, "primary hex opcode expected at %c\n", _curchar); | |
3402 return NULL; | |
3403 } | |
3404 skipws(); | |
3405 if (_curchar == ',') { | |
3406 next_char(); | |
3407 skipws(); | |
3408 // Parse secondary opcode | |
3409 if ( ((secondary = get_ident_or_literal_constant("secondary opcode")) == NULL) ) { | |
3410 parse_err(SYNERR, "secondary hex opcode expected at %c\n", _curchar); | |
3411 return NULL; | |
3412 } | |
3413 skipws(); | |
3414 if (_curchar == ',') { | |
3415 next_char(); | |
3416 skipws(); | |
3417 // Parse tertiary opcode | |
3418 if ( ((tertiary = get_ident_or_literal_constant("tertiary opcode")) == NULL) ) { | |
3419 parse_err(SYNERR,"tertiary hex opcode expected at %c\n", _curchar); | |
3420 return NULL; | |
3421 } | |
3422 skipws(); | |
3423 } | |
3424 } | |
3425 skipws(); | |
3426 if (_curchar != ')') { | |
3427 parse_err(SYNERR, "Missing ')' in opcode description\n"); | |
3428 return NULL; | |
3429 } | |
3430 } | |
3431 next_char(); // Skip ')' | |
3432 skipws(); | |
3433 // Check for terminator | |
3434 if (_curchar != ';') { | |
3435 parse_err(SYNERR, "missing ';' in ins_attrib definition\n"); | |
3436 return NULL; | |
3437 } | |
3438 next_char(); // Advance past the ';' | |
3439 skipws(); // necessary for instr_parse() | |
3440 | |
3441 // Debug Stuff | |
3442 if (_AD._adl_debug > 1) { | |
3443 if (primary != NULL) fprintf(stderr,"primary opcode: %s\n", primary); | |
3444 if (secondary != NULL) fprintf(stderr,"secondary opcode: %s\n", secondary); | |
3445 if (tertiary != NULL) fprintf(stderr,"tertiary opcode: %s\n", tertiary); | |
3446 } | |
3447 | |
3448 // Generate new object and return | |
3449 opcode = new Opcode(primary, secondary, tertiary); | |
3450 return opcode; | |
3451 } | |
3452 | |
3453 | |
3454 //------------------------------interface_parse-------------------------------- | |
3455 Interface *ADLParser::interface_parse(void) { | |
3456 char *iface_name = NULL; // Name of interface class being used | |
3457 char *iface_code = NULL; // Describe components of this class | |
3458 | |
3459 // Get interface class name | |
3460 skipws(); // Skip whitespace | |
3461 if (_curchar != '(') { | |
3462 parse_err(SYNERR, "Missing '(' at start of interface description.\n"); | |
3463 return NULL; | |
3464 } | |
3465 next_char(); // move past '(' | |
3466 skipws(); | |
3467 iface_name = get_ident(); | |
3468 if (iface_name == NULL) { | |
3469 parse_err(SYNERR, "missing interface name after 'interface'.\n"); | |
3470 return NULL; | |
3471 } | |
3472 skipws(); | |
3473 if (_curchar != ')') { | |
3474 parse_err(SYNERR, "Missing ')' after name of interface.\n"); | |
3475 return NULL; | |
3476 } | |
3477 next_char(); // move past ')' | |
3478 | |
3479 // Get details of the interface, | |
3480 // for the type of interface indicated by iface_name. | |
3481 Interface *inter = NULL; | |
3482 skipws(); | |
3483 if ( _curchar != ';' ) { | |
3484 if ( strcmp(iface_name,"MEMORY_INTER") == 0 ) { | |
3485 inter = mem_interface_parse(); | |
3486 } | |
3487 else if ( strcmp(iface_name,"COND_INTER") == 0 ) { | |
3488 inter = cond_interface_parse(); | |
3489 } | |
3490 // The parse routines consume the "%}" | |
3491 | |
3492 // Check for probable extra ';' after defining block. | |
3493 if ( _curchar == ';' ) { | |
3494 parse_err(SYNERR, "Extra ';' after defining interface block.\n"); | |
3495 next_char(); // Skip ';' | |
3496 return NULL; | |
3497 } | |
3498 } else { | |
3499 next_char(); // move past ';' | |
3500 | |
3501 // Create appropriate interface object | |
3502 if ( strcmp(iface_name,"REG_INTER") == 0 ) { | |
3503 inter = new RegInterface(); | |
3504 } | |
3505 else if ( strcmp(iface_name,"CONST_INTER") == 0 ) { | |
3506 inter = new ConstInterface(); | |
3507 } | |
3508 } | |
3509 skipws(); // be friendly to oper_parse() | |
3510 // Debug Stuff | |
3511 if (_AD._adl_debug > 1) fprintf(stderr,"Interface Form: %s\n", iface_name); | |
3512 | |
3513 // Create appropriate interface object and return. | |
3514 return inter; | |
3515 } | |
3516 | |
3517 | |
3518 //------------------------------mem_interface_parse---------------------------- | |
3519 Interface *ADLParser::mem_interface_parse(void) { | |
3520 // Fields for MemInterface | |
3521 char *base = NULL; | |
3522 char *index = NULL; | |
3523 char *scale = NULL; | |
3524 char *disp = NULL; | |
3525 | |
3526 if (_curchar != '%') { | |
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|
3527 parse_err(SYNERR, "Missing '%%{' for 'interface' block.\n"); |
0 | 3528 return NULL; |
3529 } | |
3530 next_char(); // Skip '%' | |
3531 if (_curchar != '{') { | |
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|
3532 parse_err(SYNERR, "Missing '%%{' for 'interface' block.\n"); |
0 | 3533 return NULL; |
3534 } | |
3535 next_char(); // Skip '{' | |
3536 skipws(); | |
3537 do { | |
3538 char *field = get_ident(); | |
3539 if (field == NULL) { | |
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|
3540 parse_err(SYNERR, "Expected keyword, base|index|scale|disp, or '%%}' ending interface.\n"); |
0 | 3541 return NULL; |
3542 } | |
3543 if ( strcmp(field,"base") == 0 ) { | |
3544 base = interface_field_parse(); | |
3545 } | |
3546 else if ( strcmp(field,"index") == 0 ) { | |
3547 index = interface_field_parse(); | |
3548 } | |
3549 else if ( strcmp(field,"scale") == 0 ) { | |
3550 scale = interface_field_parse(); | |
3551 } | |
3552 else if ( strcmp(field,"disp") == 0 ) { | |
3553 disp = interface_field_parse(); | |
3554 } | |
3555 else { | |
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|
3556 parse_err(SYNERR, "Expected keyword, base|index|scale|disp, or '%%}' ending interface.\n"); |
0 | 3557 return NULL; |
3558 } | |
3559 } while( _curchar != '%' ); | |
3560 next_char(); // Skip '%' | |
3561 if ( _curchar != '}' ) { | |
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|
3562 parse_err(SYNERR, "Missing '%%}' for 'interface' block.\n"); |
0 | 3563 return NULL; |
3564 } | |
3565 next_char(); // Skip '}' | |
3566 | |
3567 // Construct desired object and return | |
3568 Interface *inter = new MemInterface(base, index, scale, disp); | |
3569 return inter; | |
3570 } | |
3571 | |
3572 | |
3573 //------------------------------cond_interface_parse--------------------------- | |
3574 Interface *ADLParser::cond_interface_parse(void) { | |
3575 char *equal; | |
3576 char *not_equal; | |
3577 char *less; | |
3578 char *greater_equal; | |
3579 char *less_equal; | |
3580 char *greater; | |
12323 | 3581 char *overflow; |
3582 char *no_overflow; | |
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3583 const char *equal_format = "eq"; |
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3584 const char *not_equal_format = "ne"; |
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3585 const char *less_format = "lt"; |
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3586 const char *greater_equal_format = "ge"; |
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3587 const char *less_equal_format = "le"; |
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3588 const char *greater_format = "gt"; |
12323 | 3589 const char *overflow_format = "o"; |
3590 const char *no_overflow_format = "no"; | |
0 | 3591 |
3592 if (_curchar != '%') { | |
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mikael
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|
3593 parse_err(SYNERR, "Missing '%%{' for 'cond_interface' block.\n"); |
0 | 3594 return NULL; |
3595 } | |
3596 next_char(); // Skip '%' | |
3597 if (_curchar != '{') { | |
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mikael
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|
3598 parse_err(SYNERR, "Missing '%%{' for 'cond_interface' block.\n"); |
0 | 3599 return NULL; |
3600 } | |
3601 next_char(); // Skip '{' | |
3602 skipws(); | |
3603 do { | |
3604 char *field = get_ident(); | |
3605 if (field == NULL) { | |
7996
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mikael
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|
3606 parse_err(SYNERR, "Expected keyword, base|index|scale|disp, or '%%}' ending interface.\n"); |
0 | 3607 return NULL; |
3608 } | |
3609 if ( strcmp(field,"equal") == 0 ) { | |
415
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3610 equal = interface_field_parse(&equal_format); |
0 | 3611 } |
3612 else if ( strcmp(field,"not_equal") == 0 ) { | |
415
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3613 not_equal = interface_field_parse(¬_equal_format); |
0 | 3614 } |
3615 else if ( strcmp(field,"less") == 0 ) { | |
415
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3616 less = interface_field_parse(&less_format); |
0 | 3617 } |
3618 else if ( strcmp(field,"greater_equal") == 0 ) { | |
415
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3619 greater_equal = interface_field_parse(&greater_equal_format); |
0 | 3620 } |
3621 else if ( strcmp(field,"less_equal") == 0 ) { | |
415
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3622 less_equal = interface_field_parse(&less_equal_format); |
0 | 3623 } |
3624 else if ( strcmp(field,"greater") == 0 ) { | |
415
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3625 greater = interface_field_parse(&greater_format); |
0 | 3626 } |
12323 | 3627 else if ( strcmp(field,"overflow") == 0 ) { |
3628 overflow = interface_field_parse(&overflow_format); | |
3629 } | |
3630 else if ( strcmp(field,"no_overflow") == 0 ) { | |
3631 no_overflow = interface_field_parse(&no_overflow_format); | |
3632 } | |
0 | 3633 else { |
7996
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|
3634 parse_err(SYNERR, "Expected keyword, base|index|scale|disp, or '%%}' ending interface.\n"); |
0 | 3635 return NULL; |
3636 } | |
3637 } while( _curchar != '%' ); | |
3638 next_char(); // Skip '%' | |
3639 if ( _curchar != '}' ) { | |
7996
39901f2f1abe
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mikael
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|
3640 parse_err(SYNERR, "Missing '%%}' for 'interface' block.\n"); |
0 | 3641 return NULL; |
3642 } | |
3643 next_char(); // Skip '}' | |
3644 | |
3645 // Construct desired object and return | |
415
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3646 Interface *inter = new CondInterface(equal, equal_format, |
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3647 not_equal, not_equal_format, |
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3648 less, less_format, |
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|
3649 greater_equal, greater_equal_format, |
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3650 less_equal, less_equal_format, |
12323 | 3651 greater, greater_format, |
3652 overflow, overflow_format, | |
3653 no_overflow, no_overflow_format); | |
0 | 3654 return inter; |
3655 } | |
3656 | |
3657 | |
3658 //------------------------------interface_field_parse-------------------------- | |
415
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3659 char *ADLParser::interface_field_parse(const char ** format) { |
0 | 3660 char *iface_field = NULL; |
3661 | |
3662 // Get interface field | |
3663 skipws(); // Skip whitespace | |
3664 if (_curchar != '(') { | |
3665 parse_err(SYNERR, "Missing '(' at start of interface field.\n"); | |
3666 return NULL; | |
3667 } | |
3668 next_char(); // move past '(' | |
3669 skipws(); | |
3670 if ( _curchar != '0' && _curchar != '$' ) { | |
3671 parse_err(SYNERR, "missing or invalid interface field contents.\n"); | |
3672 return NULL; | |
3673 } | |
3674 iface_field = get_rep_var_ident(); | |
3675 if (iface_field == NULL) { | |
3676 parse_err(SYNERR, "missing or invalid interface field contents.\n"); | |
3677 return NULL; | |
3678 } | |
3679 skipws(); | |
415
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3680 if (format != NULL && _curchar == ',') { |
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|
3681 next_char(); |
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|
3682 skipws(); |
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|
3683 if (_curchar != '"') { |
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|
3684 parse_err(SYNERR, "Missing '\"' in field format .\n"); |
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|
3685 return NULL; |
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|
3686 } |
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|
3687 next_char(); |
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|
3688 char *start = _ptr; // Record start of the next string |
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|
3689 while ((_curchar != '"') && (_curchar != '%') && (_curchar != '\n')) { |
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6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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|
3690 if (_curchar == '\\') next_char(); // superquote |
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|
3691 if (_curchar == '\n') parse_err(SYNERR, "newline in string"); // unimplemented! |
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changeset
|
3692 next_char(); |
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|
3693 } |
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changeset
|
3694 if (_curchar != '"') { |
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6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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changeset
|
3695 parse_err(SYNERR, "Missing '\"' at end of field format .\n"); |
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parents:
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changeset
|
3696 return NULL; |
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changeset
|
3697 } |
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changeset
|
3698 // If a string was found, terminate it and record in FormatRule |
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|
3699 if ( start != _ptr ) { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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|
3700 *_ptr = '\0'; // Terminate the string |
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|
3701 *format = start; |
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|
3702 } |
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parents:
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changeset
|
3703 next_char(); |
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changeset
|
3704 skipws(); |
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|
3705 } |
0 | 3706 if (_curchar != ')') { |
3707 parse_err(SYNERR, "Missing ')' after interface field.\n"); | |
3708 return NULL; | |
3709 } | |
3710 next_char(); // move past ')' | |
3711 skipws(); | |
3712 if ( _curchar != ';' ) { | |
3713 parse_err(SYNERR, "Missing ';' at end of interface field.\n"); | |
3714 return NULL; | |
3715 } | |
3716 next_char(); // move past ';' | |
3717 skipws(); // be friendly to interface_parse() | |
3718 | |
3719 return iface_field; | |
3720 } | |
3721 | |
3722 | |
3723 //------------------------------match_parse------------------------------------ | |
3724 MatchRule *ADLParser::match_parse(FormDict &operands) { | |
3725 MatchRule *match; // Match Rule class for instruction/operand | |
3726 char *cnstr = NULL; // Code for constructor | |
3727 int depth = 0; // Counter for matching parentheses | |
3728 int numleaves = 0; // Counter for number of leaves in rule | |
3729 | |
3730 // Parse the match rule tree | |
3731 MatchNode *mnode = matchNode_parse(operands, depth, numleaves, true); | |
3732 | |
3733 // Either there is a block with a constructor, or a ';' here | |
3734 skipws(); // Skip whitespace | |
3735 if ( _curchar == ';' ) { // Semicolon is valid terminator | |
3736 cnstr = NULL; // no constructor for this form | |
3737 next_char(); // Move past the ';', replaced with '\0' | |
3738 } | |
3739 else if ((cnstr = find_cpp_block("match constructor")) == NULL ) { | |
3740 parse_err(SYNERR, "invalid construction of match rule\n" | |
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
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6850
diff
changeset
|
3741 "Missing ';' or invalid '%%{' and '%%}' constructor\n"); |
0 | 3742 return NULL; // No MatchRule to return |
3743 } | |
3744 if (_AD._adl_debug > 1) | |
3745 if (cnstr) fprintf(stderr,"Match Constructor: %s\n", cnstr); | |
3746 // Build new MatchRule object | |
3747 match = new MatchRule(_AD, mnode, depth, cnstr, numleaves); | |
3748 skipws(); // Skip any trailing whitespace | |
3749 return match; // Return MatchRule object | |
3750 } | |
3751 | |
3752 //------------------------------format_parse----------------------------------- | |
3753 FormatRule* ADLParser::format_parse(void) { | |
3754 char *desc = NULL; | |
3755 FormatRule *format = (new FormatRule(desc)); | |
3756 | |
3757 // Without expression form, MUST have a code block; | |
3758 skipws(); // Skip whitespace | |
3759 if ( _curchar == ';' ) { // Semicolon is valid terminator | |
3760 desc = NULL; // no constructor for this form | |
3761 next_char(); // Move past the ';', replaced with '\0' | |
3762 } | |
3763 else if ( _curchar == '%' && *(_ptr+1) == '{') { | |
3764 next_char(); // Move past the '%' | |
3765 next_char(); // Move past the '{' | |
3766 | |
3767 skipws(); | |
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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diff
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|
3768 if (_curchar == '$') { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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|
3769 char* ident = get_rep_var_ident(); |
4d9884b01ba6
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|
3770 if (strcmp(ident, "$$template") == 0) return template_parse(); |
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|
3771 parse_err(SYNERR, "Unknown \"%s\" directive in format", ident); |
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parents:
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|
3772 return NULL; |
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|
3773 } |
0 | 3774 // Check for the opening '"' inside the format description |
3775 if ( _curchar == '"' ) { | |
3776 next_char(); // Move past the initial '"' | |
3777 if( _curchar == '"' ) { // Handle empty format string case | |
3778 *_ptr = '\0'; // Terminate empty string | |
3779 format->_strings.addName(_ptr); | |
3780 } | |
3781 | |
3782 // Collect the parts of the format description | |
3783 // (1) strings that are passed through to tty->print | |
3784 // (2) replacement/substitution variable, preceeded by a '$' | |
3785 // (3) multi-token ANSIY C style strings | |
3786 while ( true ) { | |
3787 if ( _curchar == '%' || _curchar == '\n' ) { | |
3788 if ( _curchar != '"' ) { | |
3789 parse_err(SYNERR, "missing '\"' at end of format block"); | |
3790 return NULL; | |
3791 } | |
3792 } | |
3793 | |
3794 // (1) | |
3795 // Check if there is a string to pass through to output | |
3796 char *start = _ptr; // Record start of the next string | |
3797 while ((_curchar != '$') && (_curchar != '"') && (_curchar != '%') && (_curchar != '\n')) { | |
475
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
3798 if (_curchar == '\\') { |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
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415
diff
changeset
|
3799 next_char(); // superquote |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
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415
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changeset
|
3800 if ((_curchar == '$') || (_curchar == '%')) |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
3801 // hack to avoid % escapes and warnings about undefined \ escapes |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
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415
diff
changeset
|
3802 *(_ptr-1) = _curchar; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
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415
diff
changeset
|
3803 } |
0 | 3804 if (_curchar == '\n') parse_err(SYNERR, "newline in string"); // unimplemented! |
3805 next_char(); | |
3806 } | |
3807 // If a string was found, terminate it and record in FormatRule | |
3808 if ( start != _ptr ) { | |
3809 *_ptr = '\0'; // Terminate the string | |
3810 format->_strings.addName(start); | |
3811 } | |
3812 | |
3813 // (2) | |
3814 // If we are at a replacement variable, | |
3815 // copy it and record in FormatRule | |
3816 if ( _curchar == '$' ) { | |
3817 next_char(); // Move past the '$' | |
3818 char* rep_var = get_ident(); // Nil terminate the variable name | |
3819 rep_var = strdup(rep_var);// Copy the string | |
3820 *_ptr = _curchar; // and replace Nil with original character | |
3821 format->_rep_vars.addName(rep_var); | |
3822 // Add flag to _strings list indicating we should check _rep_vars | |
3823 format->_strings.addName(NameList::_signal); | |
3824 } | |
3825 | |
3826 // (3) | |
3827 // Allow very long strings to be broken up, | |
3828 // using the ANSI C syntax "foo\n" <newline> "bar" | |
3829 if ( _curchar == '"') { | |
3830 next_char(); // Move past the '"' | |
3831 skipws(); // Skip white space before next string token | |
3832 if ( _curchar != '"') { | |
3833 break; | |
3834 } else { | |
3835 // Found one. Skip both " and the whitespace in between. | |
3836 next_char(); | |
3837 } | |
3838 } | |
3839 } // end while part of format description | |
3840 | |
3841 // Check for closing '"' and '%}' in format description | |
3842 skipws(); // Move to closing '%}' | |
3843 if ( _curchar != '%' ) { | |
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
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6850
diff
changeset
|
3844 parse_err(SYNERR, "non-blank characters between closing '\"' and '%%' in format"); |
0 | 3845 return NULL; |
3846 } | |
3847 } // Done with format description inside | |
3848 | |
3849 skipws(); | |
3850 // Past format description, at '%' | |
3851 if ( _curchar != '%' || *(_ptr+1) != '}' ) { | |
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
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6850
diff
changeset
|
3852 parse_err(SYNERR, "missing '%%}' at end of format block"); |
0 | 3853 return NULL; |
3854 } | |
3855 next_char(); // Move past the '%' | |
3856 next_char(); // Move past the '}' | |
3857 } | |
3858 else { // parameter list alone must terminate with a ';' | |
3859 parse_err(SYNERR, "missing ';' after Format expression"); | |
3860 return NULL; | |
3861 } | |
3862 // Debug Stuff | |
3863 if (_AD._adl_debug > 1) fprintf(stderr,"Format Rule: %s\n", desc); | |
3864 | |
3865 skipws(); | |
3866 return format; | |
3867 } | |
3868 | |
3869 | |
415
4d9884b01ba6
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parents:
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|
3870 //------------------------------template_parse----------------------------------- |
4d9884b01ba6
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parents:
0
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|
3871 FormatRule* ADLParser::template_parse(void) { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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parents:
0
diff
changeset
|
3872 char *desc = NULL; |
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parents:
0
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changeset
|
3873 FormatRule *format = (new FormatRule(desc)); |
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parents:
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changeset
|
3874 |
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6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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parents:
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diff
changeset
|
3875 skipws(); |
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changeset
|
3876 while ( (_curchar != '%') && (*(_ptr+1) != '}') ) { |
4d9884b01ba6
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parents:
0
diff
changeset
|
3877 |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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parents:
0
diff
changeset
|
3878 // (1) |
4d9884b01ba6
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parents:
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changeset
|
3879 // Check if there is a string to pass through to output |
603
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3880 { |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
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488
diff
changeset
|
3881 char *start = _ptr; // Record start of the next string |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3882 while ((_curchar != '$') && ((_curchar != '%') || (*(_ptr+1) != '}')) ) { |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3883 // If at the start of a comment, skip past it |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3884 if( (_curchar == '/') && ((*(_ptr+1) == '/') || (*(_ptr+1) == '*')) ) { |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3885 skipws_no_preproc(); |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3886 } else { |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3887 // ELSE advance to the next character, or start of the next line |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3888 next_char_or_line(); |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3889 } |
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3890 } |
603
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3891 // If a string was found, terminate it and record in EncClass |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3892 if ( start != _ptr ) { |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3893 *_ptr = '\0'; // Terminate the string |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3894 // Add flag to _strings list indicating we should check _rep_vars |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3895 format->_strings.addName(NameList::_signal2); |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3896 format->_strings.addName(start); |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3897 } |
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3898 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3899 |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3900 // (2) |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3901 // If we are at a replacement variable, |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3902 // copy it and record in EncClass |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3903 if ( _curchar == '$' ) { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3904 // Found replacement Variable |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3905 char *rep_var = get_rep_var_ident_dup(); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3906 if (strcmp(rep_var, "$emit") == 0) { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3907 // switch to normal format parsing |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3908 next_char(); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3909 next_char(); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3910 skipws(); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3911 // Check for the opening '"' inside the format description |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3912 if ( _curchar == '"' ) { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3913 next_char(); // Move past the initial '"' |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3914 if( _curchar == '"' ) { // Handle empty format string case |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3915 *_ptr = '\0'; // Terminate empty string |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3916 format->_strings.addName(_ptr); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3917 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3918 |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3919 // Collect the parts of the format description |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3920 // (1) strings that are passed through to tty->print |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3921 // (2) replacement/substitution variable, preceeded by a '$' |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3922 // (3) multi-token ANSIY C style strings |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3923 while ( true ) { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3924 if ( _curchar == '%' || _curchar == '\n' ) { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3925 parse_err(SYNERR, "missing '\"' at end of format block"); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3926 return NULL; |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3927 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3928 |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3929 // (1) |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3930 // Check if there is a string to pass through to output |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3931 char *start = _ptr; // Record start of the next string |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3932 while ((_curchar != '$') && (_curchar != '"') && (_curchar != '%') && (_curchar != '\n')) { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3933 if (_curchar == '\\') next_char(); // superquote |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3934 if (_curchar == '\n') parse_err(SYNERR, "newline in string"); // unimplemented! |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3935 next_char(); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3936 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3937 // If a string was found, terminate it and record in FormatRule |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3938 if ( start != _ptr ) { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3939 *_ptr = '\0'; // Terminate the string |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3940 format->_strings.addName(start); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3941 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3942 |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3943 // (2) |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3944 // If we are at a replacement variable, |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3945 // copy it and record in FormatRule |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3946 if ( _curchar == '$' ) { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3947 next_char(); // Move past the '$' |
603
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3948 char* next_rep_var = get_ident(); // Nil terminate the variable name |
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3949 next_rep_var = strdup(next_rep_var);// Copy the string |
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3950 *_ptr = _curchar; // and replace Nil with original character |
603
dbbe28fc66b5
6778669: Patch from Red Hat -- fixes compilation errors
twisti
parents:
488
diff
changeset
|
3951 format->_rep_vars.addName(next_rep_var); |
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3952 // Add flag to _strings list indicating we should check _rep_vars |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3953 format->_strings.addName(NameList::_signal); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3954 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3955 |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3956 // (3) |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3957 // Allow very long strings to be broken up, |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3958 // using the ANSI C syntax "foo\n" <newline> "bar" |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3959 if ( _curchar == '"') { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3960 next_char(); // Move past the '"' |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3961 skipws(); // Skip white space before next string token |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3962 if ( _curchar != '"') { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3963 break; |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3964 } else { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3965 // Found one. Skip both " and the whitespace in between. |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3966 next_char(); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3967 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3968 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3969 } // end while part of format description |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3970 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3971 } else { |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3972 // Add flag to _strings list indicating we should check _rep_vars |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3973 format->_rep_vars.addName(rep_var); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3974 // Add flag to _strings list indicating we should check _rep_vars |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3975 format->_strings.addName(NameList::_signal3); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3976 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3977 } // end while part of format description |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3978 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3979 |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3980 skipws(); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3981 // Past format description, at '%' |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3982 if ( _curchar != '%' || *(_ptr+1) != '}' ) { |
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
3983 parse_err(SYNERR, "missing '%%}' at end of format block"); |
415
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3984 return NULL; |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3985 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3986 next_char(); // Move past the '%' |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3987 next_char(); // Move past the '}' |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3988 |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3989 // Debug Stuff |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3990 if (_AD._adl_debug > 1) fprintf(stderr,"Format Rule: %s\n", desc); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3991 |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3992 skipws(); |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3993 return format; |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3994 } |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3995 |
4d9884b01ba6
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
never
parents:
0
diff
changeset
|
3996 |
0 | 3997 //------------------------------effect_parse----------------------------------- |
3998 void ADLParser::effect_parse(InstructForm *instr) { | |
3999 char* desc = NULL; | |
4000 | |
4001 skipws(); // Skip whitespace | |
4002 if (_curchar != '(') { | |
4003 parse_err(SYNERR, "missing '(' in effect definition\n"); | |
4004 return; | |
4005 } | |
4006 // Get list of effect-operand pairs and insert into dictionary | |
4120
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
parents:
4114
diff
changeset
|
4007 else get_effectlist(instr->_effects, instr->_localNames, instr->_has_call); |
0 | 4008 |
4009 // Debug Stuff | |
4010 if (_AD._adl_debug > 1) fprintf(stderr,"Effect description: %s\n", desc); | |
4011 if (_curchar != ';') { | |
4012 parse_err(SYNERR, "missing ';' in Effect definition\n"); | |
4013 } | |
4014 next_char(); // Skip ';' | |
4015 | |
4016 } | |
4017 | |
4018 //------------------------------expand_parse----------------------------------- | |
4019 ExpandRule* ADLParser::expand_parse(InstructForm *instr) { | |
4020 char *ident, *ident2; | |
4021 NameAndList *instr_and_operands = NULL; | |
4022 ExpandRule *exp = new ExpandRule(); | |
4023 | |
14431
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4024 // Expand is a block containing an ordered list of operands with initializers, |
1410ad6b05f1
8028401: PPC (part 117): Improve usability of adlc and format() functionality.
goetz
parents:
14428
diff
changeset
|
4025 // or instructions, each of which has an ordered list of operands. |
0 | 4026 // Check for block delimiter |
4027 skipws(); // Skip leading whitespace | |
4028 if ((_curchar != '%') | |
4029 || (next_char(), (_curchar != '{')) ) { // If not open block | |
7996
39901f2f1abe
8007403: Incorrect format arguments in adlparse.cpp
mikael
parents:
6850
diff
changeset
|
4030 parse_err(SYNERR, "missing '%%{' in expand definition\n"); |
0 | 4031 return(NULL); |
4032 } | |
4033 next_char(); // Maintain the invariant | |
4034 do { | |
4035 ident = get_ident(); // Grab next identifier | |
4036 if (ident == NULL) { | |
4037 parse_err(SYNERR, "identifier expected at %c\n", _curchar); | |
4038 continue; | |
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4039 } |
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4040 |
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4041 // Check whether we should parse an instruction or operand. |
0 | 4042 const Form *form = _globalNames[ident]; |
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4043 bool parse_oper = false; |
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4044 bool parse_ins = false; |
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4045 if (form == NULL) { |
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4046 skipws(); |
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4047 // Check whether this looks like an instruction specification. If so, |
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4048 // just parse the instruction. The declaration of the instruction is |
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4049 // not needed here. |
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4050 if (_curchar == '(') parse_ins = true; |
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4051 } else if (form->is_instruction()) { |
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4052 parse_ins = true; |
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4053 } else if (form->is_operand()) { |
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4054 parse_oper = true; |
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4055 } else { |
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4056 parse_err(SYNERR, "instruction/operand name expected at %s\n", ident); |
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4057 continue; |
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4058 } |
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4059 |
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4060 if (parse_oper) { |
0 | 4061 // This is a new operand |
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4062 OperandForm *oper = form->is_operand(); |
0 | 4063 if (oper == NULL) { |
4064 parse_err(SYNERR, "instruction/operand name expected at %s\n", ident); | |
4065 continue; | |
4066 } | |
4067 // Throw the operand on the _newopers list | |
4068 skipws(); | |
4069 ident = get_unique_ident(instr->_localNames,"Operand"); | |
4070 if (ident == NULL) { | |
4071 parse_err(SYNERR, "identifier expected at %c\n", _curchar); | |
4072 continue; | |
4073 } | |
4074 exp->_newopers.addName(ident); | |
4075 // Add new operand to LocalNames | |
4076 instr->_localNames.Insert(ident, oper); | |
4077 // Grab any constructor code and save as a string | |
4078 char *c = NULL; | |
4079 skipws(); | |
4080 if (_curchar == '%') { // Need a constructor for the operand | |
4081 c = find_cpp_block("Operand Constructor"); | |
4082 if (c == NULL) { | |
4083 parse_err(SYNERR, "Invalid code block for operand constructor\n", _curchar); | |
4084 continue; | |
4085 } | |
4086 // Add constructor to _newopconst Dict | |
4087 exp->_newopconst.Insert(ident, c); | |
4088 } | |
4089 else if (_curchar != ';') { // If no constructor, need a ; | |
4090 parse_err(SYNERR, "Missing ; in expand rule operand declaration\n"); | |
4091 continue; | |
4092 } | |
4093 else next_char(); // Skip the ; | |
4094 skipws(); | |
4095 } | |
4096 else { | |
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4097 assert(parse_ins, "sanity"); |
0 | 4098 // Add instruction to list |
4099 instr_and_operands = new NameAndList(ident); | |
4100 // Grab operands, build nameList of them, and then put into dictionary | |
4101 skipws(); | |
4102 if (_curchar != '(') { // Check for parenthesized operand list | |
4103 parse_err(SYNERR, "missing '(' in expand instruction declaration\n"); | |
4104 continue; | |
4105 } | |
4106 do { | |
4107 next_char(); // skip open paren & comma characters | |
4108 skipws(); | |
4109 if (_curchar == ')') break; | |
4110 ident2 = get_ident(); | |
4111 skipws(); | |
4112 if (ident2 == NULL) { | |
4113 parse_err(SYNERR, "identifier expected at %c\n", _curchar); | |
4114 continue; | |
4115 } // Check that you have a valid operand | |
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4116 const Form *form2 = instr->_localNames[ident2]; |
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4117 if (!form2) { |
0 | 4118 parse_err(SYNERR, "operand name expected at %s\n", ident2); |
4119 continue; | |
4120 } | |
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4121 OperandForm *oper = form2->is_operand(); |
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4122 if (oper == NULL && !form2->is_opclass()) { |
0 | 4123 parse_err(SYNERR, "operand name expected at %s\n", ident2); |
4124 continue; | |
4125 } // Add operand to list | |
4126 instr_and_operands->add_entry(ident2); | |
4127 } while(_curchar == ','); | |
4128 if (_curchar != ')') { | |
4129 parse_err(SYNERR, "missing ')'in expand instruction declaration\n"); | |
4130 continue; | |
4131 } | |
4132 next_char(); | |
4133 if (_curchar != ';') { | |
4134 parse_err(SYNERR, "missing ';'in expand instruction declaration\n"); | |
4135 continue; | |
4136 } | |
4137 next_char(); | |
4138 | |
4139 // Record both instruction name and its operand list | |
4140 exp->add_instruction(instr_and_operands); | |
4141 | |
4142 skipws(); | |
4143 } | |
4144 | |
4145 } while(_curchar != '%'); | |
4146 next_char(); | |
4147 if (_curchar != '}') { | |
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4148 parse_err(SYNERR, "missing '%%}' in expand rule definition\n"); |
0 | 4149 return(NULL); |
4150 } | |
4151 next_char(); | |
4152 | |
4153 // Debug Stuff | |
4154 if (_AD._adl_debug > 1) fprintf(stderr,"Expand Rule:\n"); | |
4155 | |
4156 skipws(); | |
4157 return (exp); | |
4158 } | |
4159 | |
4160 //------------------------------rewrite_parse---------------------------------- | |
4161 RewriteRule* ADLParser::rewrite_parse(void) { | |
4162 char* params = NULL; | |
4163 char* desc = NULL; | |
4164 | |
4165 | |
4166 // This feature targeted for second generation description language. | |
4167 | |
4168 skipws(); // Skip whitespace | |
4169 // Get parameters for rewrite | |
4170 if ((params = get_paren_expr("rewrite parameters")) == NULL) { | |
4171 parse_err(SYNERR, "missing '(' in rewrite rule\n"); | |
4172 return NULL; | |
4173 } | |
4174 // Debug Stuff | |
4175 if (_AD._adl_debug > 1) fprintf(stderr,"Rewrite parameters: %s\n", params); | |
4176 | |
4177 // For now, grab entire block; | |
4178 skipws(); | |
4179 if ( (desc = find_cpp_block("rewrite block")) == NULL ) { | |
4180 parse_err(SYNERR, "incorrect or missing block for 'rewrite'.\n"); | |
4181 return NULL; | |
4182 } | |
4183 // Debug Stuff | |
4184 if (_AD._adl_debug > 1) fprintf(stderr,"Rewrite Rule: %s\n", desc); | |
4185 | |
4186 skipws(); | |
4187 return (new RewriteRule(params,desc)); | |
4188 } | |
4189 | |
4190 //------------------------------attr_parse------------------------------------- | |
4191 Attribute *ADLParser::attr_parse(char* ident) { | |
4192 Attribute *attrib; // Attribute class | |
4193 char *cost = NULL; // String representation of cost attribute | |
4194 | |
4195 skipws(); // Skip leading whitespace | |
4196 if ( (cost = get_paren_expr("attribute")) == NULL ) { | |
4197 parse_err(SYNERR, "incorrect or missing expression for 'attribute'\n"); | |
4198 return NULL; | |
4199 } | |
4200 // Debug Stuff | |
4201 if (_AD._adl_debug > 1) fprintf(stderr,"Attribute: %s\n", cost); | |
4202 if (_curchar != ';') { | |
4203 parse_err(SYNERR, "missing ';' in attribute definition\n"); | |
4204 return NULL; | |
4205 } | |
4206 next_char(); // Point after the terminator | |
4207 | |
4208 skipws(); | |
4209 attrib = new Attribute(ident,cost,INS_ATTR); // Build new predicate object | |
4210 return attrib; | |
4211 } | |
4212 | |
4213 | |
4214 //------------------------------matchNode_parse-------------------------------- | |
4215 MatchNode *ADLParser::matchNode_parse(FormDict &operands, int &depth, int &numleaves, bool atroot) { | |
4216 // Count depth of parenthesis nesting for both left and right children | |
4217 int lParens = depth; | |
4218 int rParens = depth; | |
4219 | |
4220 // MatchNode objects for left, right, and root of subtree. | |
4221 MatchNode *lChild = NULL; | |
4222 MatchNode *rChild = NULL; | |
4223 char *token; // Identifier which may be opcode or operand | |
4224 | |
4225 // Match expression starts with a '(' | |
4226 if (cur_char() != '(') | |
4227 return NULL; | |
4228 | |
4229 next_char(); // advance past '(' | |
4230 | |
4231 // Parse the opcode | |
4232 token = get_ident(); // Get identifier, opcode | |
4233 if (token == NULL) { | |
4234 parse_err(SYNERR, "missing opcode in match expression\n"); | |
4235 return NULL; | |
4236 } | |
4237 | |
4238 // Take note if we see one of a few special operations - those that are | |
4239 // treated differently on different architectures in the sense that on | |
4240 // one architecture there is a match rule and on another there isn't (so | |
4241 // a call will eventually be generated). | |
4242 | |
4243 for (int i = _last_machine_leaf + 1; i < _last_opcode; i++) { | |
4244 if (strcmp(token, NodeClassNames[i]) == 0) { | |
4245 _AD.has_match_rule(i, true); | |
4246 } | |
4247 } | |
4248 | |
4249 // Lookup the root value in the operands dict to perform substitution | |
4250 const char *result = NULL; // Result type will be filled in later | |
4251 const char *name = token; // local name associated with this node | |
4252 const char *operation = token; // remember valid operation for later | |
4253 const Form *form = operands[token]; | |
4254 OpClassForm *opcForm = form ? form->is_opclass() : NULL; | |
4255 if (opcForm != NULL) { | |
4256 // If this token is an entry in the local names table, record its type | |
4257 if (!opcForm->ideal_only()) { | |
4258 operation = opcForm->_ident; | |
4259 result = operation; // Operands result in their own type | |
4260 } | |
4261 // Otherwise it is an ideal type, and so, has no local name | |
4262 else name = NULL; | |
4263 } | |
4264 | |
4265 // Parse the operands | |
4266 skipws(); | |
4267 if (cur_char() != ')') { | |
4268 | |
4269 // Parse the left child | |
4270 if (strcmp(operation,"Set")) | |
4271 lChild = matchChild_parse(operands, lParens, numleaves, false); | |
4272 else | |
4273 lChild = matchChild_parse(operands, lParens, numleaves, true); | |
4274 | |
4275 skipws(); | |
4276 if (cur_char() != ')' ) { | |
4277 if(strcmp(operation, "Set")) | |
4278 rChild = matchChild_parse(operands,rParens,numleaves,false); | |
4279 else | |
4280 rChild = matchChild_parse(operands,rParens,numleaves,true); | |
4281 } | |
4282 } | |
4283 | |
4284 // Check for required ')' | |
4285 skipws(); | |
4286 if (cur_char() != ')') { | |
4287 parse_err(SYNERR, "missing ')' in match expression\n"); | |
4288 return NULL; | |
4289 } | |
4290 next_char(); // skip the ')' | |
4291 | |
4292 MatchNode* mroot = new MatchNode(_AD,result,name,operation,lChild,rChild); | |
4293 | |
4294 // If not the root, reduce this subtree to an internal operand | |
4295 if (!atroot) { | |
4296 mroot->build_internalop(); | |
4297 } | |
4298 // depth is greater of left and right paths. | |
4299 depth = (lParens > rParens) ? lParens : rParens; | |
4300 | |
4301 return mroot; | |
4302 } | |
4303 | |
4304 | |
4305 //------------------------------matchChild_parse------------------------------- | |
4306 MatchNode *ADLParser::matchChild_parse(FormDict &operands, int &parens, int &numleaves, bool atroot) { | |
4307 MatchNode *child = NULL; | |
4308 const char *result = NULL; | |
4309 const char *token = NULL; | |
4310 const char *opType = NULL; | |
4311 | |
4312 if (cur_char() == '(') { // child is an operation | |
4313 ++parens; | |
4314 child = matchNode_parse(operands, parens, numleaves, atroot); | |
4315 } | |
4316 else { // child is an operand | |
4317 token = get_ident(); | |
4318 const Form *form = operands[token]; | |
4319 OpClassForm *opcForm = form ? form->is_opclass() : NULL; | |
4320 if (opcForm != NULL) { | |
4321 opType = opcForm->_ident; | |
4322 result = opcForm->_ident; // an operand's result matches its type | |
4323 } else { | |
4324 parse_err(SYNERR, "undefined operand %s in match rule\n", token); | |
4325 return NULL; | |
4326 } | |
4327 | |
4328 if (opType == NULL) { | |
4329 parse_err(SYNERR, "missing type for argument '%s'\n", token); | |
4330 } | |
4331 | |
4332 child = new MatchNode(_AD, result, token, opType); | |
4333 ++numleaves; | |
4334 } | |
4335 | |
4336 return child; | |
4337 } | |
4338 | |
4339 | |
4340 | |
4341 // ******************** Private Utility Functions ************************* | |
4342 | |
4343 | |
4344 char* ADLParser::find_cpp_block(const char* description) { | |
4345 char *next; // Pointer for finding block delimiters | |
4346 char* cppBlock = NULL; // Beginning of C++ code block | |
4347 | |
4348 if (_curchar == '%') { // Encoding is a C++ expression | |
4349 next_char(); | |
4350 if (_curchar != '{') { | |
4351 parse_err(SYNERR, "missing '{' in %s \n", description); | |
4352 return NULL; | |
4353 } | |
4354 next_char(); // Skip block delimiter | |
4355 skipws_no_preproc(); // Skip leading whitespace | |
4356 cppBlock = _ptr; // Point to start of expression | |
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4357 int line = linenum(); |
0 | 4358 next = _ptr + 1; |
4359 while(((_curchar != '%') || (*next != '}')) && (_curchar != '\0')) { | |
4360 next_char_or_line(); | |
4361 next = _ptr+1; // Maintain the next pointer | |
4362 } // Grab string | |
4363 if (_curchar == '\0') { | |
4364 parse_err(SYNERR, "invalid termination of %s \n", description); | |
4365 return NULL; | |
4366 } | |
4367 *_ptr = '\0'; // Terminate string | |
4368 _ptr += 2; // Skip block delimiter | |
4369 _curchar = *_ptr; // Maintain invariant | |
4370 | |
4371 // Prepend location descriptor, for debugging. | |
475
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4372 if (_AD._adlocation_debug) { |
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|
4373 char* location = get_line_string(line); |
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4374 char* end_loc = end_line_marker(); |
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4375 char* result = (char *)malloc(strlen(location) + strlen(cppBlock) + strlen(end_loc) + 1); |
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4376 strcpy(result, location); |
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|
4377 strcat(result, cppBlock); |
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|
4378 strcat(result, end_loc); |
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4379 cppBlock = result; |
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4380 free(location); |
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4381 } |
0 | 4382 } |
4383 | |
4384 return cppBlock; | |
4385 } | |
4386 | |
4387 // Move to the closing token of the expression we are currently at, | |
4388 // as defined by stop_chars. Match parens and quotes. | |
4389 char* ADLParser::get_expr(const char *desc, const char *stop_chars) { | |
4390 char* expr = NULL; | |
4391 int paren = 0; | |
4392 | |
4393 expr = _ptr; | |
4394 while (paren > 0 || !strchr(stop_chars, _curchar)) { | |
4395 if (_curchar == '(') { // Down level of nesting | |
4396 paren++; // Bump the parenthesis counter | |
4397 next_char(); // maintain the invariant | |
4398 } | |
4399 else if (_curchar == ')') { // Up one level of nesting | |
4400 if (paren == 0) { | |
4401 // Paren underflow: We didn't encounter the required stop-char. | |
4402 parse_err(SYNERR, "too many )'s, did not find %s after %s\n", | |
4403 stop_chars, desc); | |
4404 return NULL; | |
4405 } | |
4406 paren--; // Drop the parenthesis counter | |
4407 next_char(); // Maintain the invariant | |
4408 } | |
4409 else if (_curchar == '"' || _curchar == '\'') { | |
4410 int qchar = _curchar; | |
4411 while (true) { | |
4412 next_char(); | |
4413 if (_curchar == qchar) { next_char(); break; } | |
4414 if (_curchar == '\\') next_char(); // superquote | |
4415 if (_curchar == '\n' || _curchar == '\0') { | |
4416 parse_err(SYNERR, "newline in string in %s\n", desc); | |
4417 return NULL; | |
4418 } | |
4419 } | |
4420 } | |
4421 else if (_curchar == '%' && (_ptr[1] == '{' || _ptr[1] == '}')) { | |
4422 // Make sure we do not stray into the next ADLC-level form. | |
4423 parse_err(SYNERR, "unexpected %%%c in %s\n", _ptr[1], desc); | |
4424 return NULL; | |
4425 } | |
4426 else if (_curchar == '\0') { | |
4427 parse_err(SYNERR, "unexpected EOF in %s\n", desc); | |
4428 return NULL; | |
4429 } | |
4430 else { | |
4431 // Always walk over whitespace, comments, preprocessor directives, etc. | |
4432 char* pre_skip_ptr = _ptr; | |
4433 skipws(); | |
4434 // If the parser declined to make progress on whitespace, | |
4435 // skip the next character, which is therefore NOT whitespace. | |
4436 if (pre_skip_ptr == _ptr) { | |
4437 next_char(); | |
4438 } else if (pre_skip_ptr+strlen(pre_skip_ptr) != _ptr+strlen(_ptr)) { | |
4439 parse_err(SYNERR, "unimplemented: preprocessor must not elide subexpression in %s", desc); | |
4440 } | |
4441 } | |
4442 } | |
4443 | |
4444 assert(strchr(stop_chars, _curchar), "non-null return must be at stop-char"); | |
4445 *_ptr = '\0'; // Replace ')' or other stop-char with '\0' | |
4446 return expr; | |
4447 } | |
4448 | |
4449 // Helper function around get_expr | |
4450 // Sets _curchar to '(' so that get_paren_expr will search for a matching ')' | |
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4451 char *ADLParser::get_paren_expr(const char *description, bool include_location) { |
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|
4452 int line = linenum(); |
0 | 4453 if (_curchar != '(') // Escape if not valid starting position |
4454 return NULL; | |
4455 next_char(); // Skip the required initial paren. | |
4456 char *token2 = get_expr(description, ")"); | |
4457 if (_curchar == ')') | |
4458 next_char(); // Skip required final paren. | |
475
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4459 int junk = 0; |
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6771309: debugging AD files is difficult without #line directives in generated code
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4460 if (include_location && _AD._adlocation_debug && !is_int_token(token2, junk)) { |
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4461 // Prepend location descriptor, for debugging. |
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6771309: debugging AD files is difficult without #line directives in generated code
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4462 char* location = get_line_string(line); |
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6771309: debugging AD files is difficult without #line directives in generated code
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4463 char* end_loc = end_line_marker(); |
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6771309: debugging AD files is difficult without #line directives in generated code
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4464 char* result = (char *)malloc(strlen(location) + strlen(token2) + strlen(end_loc) + 1); |
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6771309: debugging AD files is difficult without #line directives in generated code
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4465 strcpy(result, location); |
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6771309: debugging AD files is difficult without #line directives in generated code
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|
4466 strcat(result, token2); |
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6771309: debugging AD files is difficult without #line directives in generated code
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|
4467 strcat(result, end_loc); |
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6771309: debugging AD files is difficult without #line directives in generated code
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|
4468 token2 = result; |
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6771309: debugging AD files is difficult without #line directives in generated code
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|
4469 free(location); |
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|
4470 } |
0 | 4471 return token2; |
4472 } | |
4473 | |
4474 //------------------------------get_ident_common------------------------------- | |
4475 // Looks for an identifier in the buffer, and turns it into a null terminated | |
4476 // string(still inside the file buffer). Returns a pointer to the string or | |
4477 // NULL if some other token is found instead. | |
4478 char *ADLParser::get_ident_common(bool do_preproc) { | |
4479 register char c; | |
4480 char *start; // Pointer to start of token | |
4481 char *end; // Pointer to end of token | |
4482 | |
4483 if( _curline == NULL ) // Return NULL at EOF. | |
4484 return NULL; | |
4485 | |
4486 skipws_common(do_preproc); // Skip whitespace before identifier | |
4487 start = end = _ptr; // Start points at first character | |
4488 end--; // unwind end by one to prepare for loop | |
4489 do { | |
4490 end++; // Increment end pointer | |
4491 c = *end; // Grab character to test | |
4492 } while ( ((c >= 'a') && (c <= 'z')) || ((c >= 'A') && (c <= 'Z')) | |
4493 || ((c >= '0') && (c <= '9')) | |
4494 || ((c == '_')) || ((c == ':')) || ((c == '#')) ); | |
4495 if (start == end) { // We popped out on the first try | |
6850 | 4496 // It can occur that `start' contains the rest of the input file. |
4497 // In this case the output should be truncated. | |
4498 if (strlen(start) > 24) { | |
4499 char buf[32]; | |
4500 strncpy(buf, start, 20); | |
4501 buf[20] = '\0'; | |
4502 strcat(buf, "[...]"); | |
4503 parse_err(SYNERR, "Identifier expected, but found '%s'.", buf); | |
4504 } else { | |
4505 parse_err(SYNERR, "Identifier expected, but found '%s'.", start); | |
4506 } | |
0 | 4507 start = NULL; |
4508 } | |
4509 else { | |
4510 _curchar = c; // Save the first character of next token | |
4511 *end = '\0'; // NULL terminate the string in place | |
4512 } | |
4513 _ptr = end; // Reset _ptr to point to next char after token | |
4514 | |
4515 // Make sure we do not try to use #defined identifiers. If start is | |
4516 // NULL an error was already reported. | |
4517 if (do_preproc && start != NULL) { | |
4518 const char* def = _AD.get_preproc_def(start); | |
4519 if (def != NULL && strcmp(def, start)) { | |
475
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6771309: debugging AD files is difficult without #line directives in generated code
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|
4520 const char* def1 = def; |
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6771309: debugging AD files is difficult without #line directives in generated code
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diff
changeset
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4521 const char* def2 = _AD.get_preproc_def(def1); |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
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|
4522 // implement up to 2 levels of #define |
284d0af00d53
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415
diff
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|
4523 if (def2 != NULL && strcmp(def2, def1)) { |
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415
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|
4524 def = def2; |
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diff
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|
4525 const char* def3 = _AD.get_preproc_def(def2); |
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diff
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|
4526 if (def3 != NULL && strcmp(def3, def2) && strcmp(def3, def1)) { |
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|
4527 parse_err(SYNERR, "unimplemented: using %s defined as %s => %s => %s", |
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|
4528 start, def1, def2, def3); |
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diff
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|
4529 } |
0 | 4530 } |
4531 start = strdup(def); | |
4532 } | |
4533 } | |
4534 | |
4535 return start; // Pointer to token in filebuf | |
4536 } | |
4537 | |
4538 //------------------------------get_ident_dup---------------------------------- | |
4539 // Looks for an identifier in the buffer, and returns a duplicate | |
4540 // or NULL if some other token is found instead. | |
4541 char *ADLParser::get_ident_dup(void) { | |
4542 char *ident = get_ident(); | |
4543 | |
4544 // Duplicate an identifier before returning and restore string. | |
4545 if( ident != NULL ) { | |
4546 ident = strdup(ident); // Copy the string | |
4547 *_ptr = _curchar; // and replace Nil with original character | |
4548 } | |
4549 | |
4550 return ident; | |
4551 } | |
4552 | |
4553 //----------------------get_ident_or_literal_constant-------------------------- | |
4554 // Looks for an identifier in the buffer, or a parenthesized expression. | |
4555 char *ADLParser::get_ident_or_literal_constant(const char* description) { | |
4556 char* param = NULL; | |
4557 skipws(); | |
4558 if (_curchar == '(') { | |
4559 // Grab a constant expression. | |
4560 param = get_paren_expr(description); | |
4561 if (param[0] != '(') { | |
4562 char* buf = (char*) malloc(strlen(param) + 3); | |
4563 sprintf(buf, "(%s)", param); | |
4564 param = buf; | |
4565 } | |
4566 assert(is_literal_constant(param), | |
4567 "expr must be recognizable as a constant"); | |
4568 } else { | |
4569 param = get_ident(); | |
4570 } | |
4571 return param; | |
4572 } | |
4573 | |
4574 //------------------------------get_rep_var_ident----------------------------- | |
4575 // Do NOT duplicate, | |
4576 // Leave nil terminator in buffer | |
4577 // Preserve initial '$'(s) in string | |
4578 char *ADLParser::get_rep_var_ident(void) { | |
4579 // Remember starting point | |
4580 char *rep_var = _ptr; | |
4581 | |
4582 // Check for replacement variable indicator '$' and pass if present | |
4583 if ( _curchar == '$' ) { | |
4584 next_char(); | |
4585 } | |
4586 // Check for a subfield indicator, a second '$', and pass if present | |
4587 if ( _curchar == '$' ) { | |
4588 next_char(); | |
4589 } | |
4590 | |
4591 // Check for a control indicator, a third '$': | |
4592 if ( _curchar == '$' ) { | |
4593 next_char(); | |
4594 } | |
4595 | |
4596 // Check for more than three '$'s in sequence, SYNERR | |
4597 if( _curchar == '$' ) { | |
4598 parse_err(SYNERR, "Replacement variables and field specifiers can not start with '$$$$'"); | |
4599 next_char(); | |
4600 return NULL; | |
4601 } | |
4602 | |
4603 // Nil terminate the variable name following the '$' | |
4604 char *rep_var_name = get_ident(); | |
4605 assert( rep_var_name != NULL, | |
4606 "Missing identifier after replacement variable indicator '$'"); | |
4607 | |
4608 return rep_var; | |
4609 } | |
4610 | |
4611 | |
4612 | |
4613 //------------------------------get_rep_var_ident_dup------------------------- | |
4614 // Return the next replacement variable identifier, skipping first '$' | |
4615 // given a pointer into a line of the buffer. | |
4616 // Null terminates string, still inside the file buffer, | |
4617 // Returns a pointer to a copy of the string, or NULL on failure | |
4618 char *ADLParser::get_rep_var_ident_dup(void) { | |
4619 if( _curchar != '$' ) return NULL; | |
4620 | |
4621 next_char(); // Move past the '$' | |
4622 char *rep_var = _ptr; // Remember starting point | |
4623 | |
4624 // Check for a subfield indicator, a second '$': | |
4625 if ( _curchar == '$' ) { | |
4626 next_char(); | |
4627 } | |
4628 | |
4629 // Check for a control indicator, a third '$': | |
4630 if ( _curchar == '$' ) { | |
4631 next_char(); | |
4632 } | |
4633 | |
4634 // Check for more than three '$'s in sequence, SYNERR | |
4635 if( _curchar == '$' ) { | |
4636 parse_err(SYNERR, "Replacement variables and field specifiers can not start with '$$$$'"); | |
4637 next_char(); | |
4638 return NULL; | |
4639 } | |
4640 | |
4641 // Nil terminate the variable name following the '$' | |
4642 char *rep_var_name = get_ident(); | |
4643 assert( rep_var_name != NULL, | |
4644 "Missing identifier after replacement variable indicator '$'"); | |
4645 rep_var = strdup(rep_var); // Copy the string | |
4646 *_ptr = _curchar; // and replace Nil with original character | |
4647 | |
4648 return rep_var; | |
4649 } | |
4650 | |
4651 | |
4652 //------------------------------get_unique_ident------------------------------ | |
4653 // Looks for an identifier in the buffer, terminates it with a NULL, | |
4654 // and checks that it is unique | |
4655 char *ADLParser::get_unique_ident(FormDict& dict, const char* nameDescription){ | |
4656 char* ident = get_ident(); | |
4657 | |
4658 if (ident == NULL) { | |
4659 parse_err(SYNERR, "missing %s identifier at %c\n", nameDescription, _curchar); | |
4660 } | |
4661 else { | |
4662 if (dict[ident] != NULL) { | |
4663 parse_err(SYNERR, "duplicate name %s for %s\n", ident, nameDescription); | |
4664 ident = NULL; | |
4665 } | |
4666 } | |
4667 | |
4668 return ident; | |
4669 } | |
4670 | |
4671 | |
4672 //------------------------------get_int---------------------------------------- | |
4673 // Looks for a character string integer in the buffer, and turns it into an int | |
4674 // invokes a parse_err if the next token is not an integer. | |
4675 // This routine does not leave the integer null-terminated. | |
4676 int ADLParser::get_int(void) { | |
4677 register char c; | |
4678 char *start; // Pointer to start of token | |
4679 char *end; // Pointer to end of token | |
4680 int result; // Storage for integer result | |
4681 | |
4682 if( _curline == NULL ) // Return NULL at EOF. | |
603
dbbe28fc66b5
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diff
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|
4683 return 0; |
0 | 4684 |
4685 skipws(); // Skip whitespace before identifier | |
4686 start = end = _ptr; // Start points at first character | |
4687 c = *end; // Grab character to test | |
4688 while ((c >= '0') && (c <= '9') | |
4689 || ((c == '-') && (end == start))) { | |
4690 end++; // Increment end pointer | |
4691 c = *end; // Grab character to test | |
4692 } | |
4693 if (start == end) { // We popped out on the first try | |
4694 parse_err(SYNERR, "integer expected at %c\n", c); | |
4695 result = 0; | |
4696 } | |
4697 else { | |
4698 _curchar = c; // Save the first character of next token | |
4699 *end = '\0'; // NULL terminate the string in place | |
4700 result = atoi(start); // Convert the string to an integer | |
4701 *end = _curchar; // Restore buffer to original condition | |
4702 } | |
4703 | |
4704 // Reset _ptr to next char after token | |
4705 _ptr = end; | |
4706 | |
4707 return result; // integer | |
4708 } | |
4709 | |
4710 | |
4711 //------------------------------get_relation_dup------------------------------ | |
4712 // Looks for a relational operator in the buffer | |
4713 // invokes a parse_err if the next token is not a relation | |
4714 // This routine creates a duplicate of the string in the buffer. | |
4715 char *ADLParser::get_relation_dup(void) { | |
4716 char *result = NULL; // relational operator being returned | |
4717 | |
4718 if( _curline == NULL ) // Return NULL at EOF. | |
4719 return NULL; | |
4720 | |
4721 skipws(); // Skip whitespace before relation | |
4722 char *start = _ptr; // Store start of relational operator | |
4723 char first = *_ptr; // the first character | |
4724 if( (first == '=') || (first == '!') || (first == '<') || (first == '>') ) { | |
4725 next_char(); | |
4726 char second = *_ptr; // the second character | |
4727 if( (second == '=') ) { | |
4728 next_char(); | |
4729 char tmp = *_ptr; | |
4730 *_ptr = '\0'; // NULL terminate | |
4731 result = strdup(start); // Duplicate the string | |
4732 *_ptr = tmp; // restore buffer | |
4733 } else { | |
4734 parse_err(SYNERR, "relational operator expected at %s\n", _ptr); | |
4735 } | |
4736 } else { | |
4737 parse_err(SYNERR, "relational operator expected at %s\n", _ptr); | |
4738 } | |
4739 | |
4740 return result; | |
4741 } | |
4742 | |
4743 | |
4744 | |
4745 //------------------------------get_oplist------------------------------------- | |
4746 // Looks for identifier pairs where first must be the name of an operand, and | |
4747 // second must be a name unique in the scope of this instruction. Stores the | |
4748 // names with a pointer to the OpClassForm of their type in a local name table. | |
4749 void ADLParser::get_oplist(NameList ¶meters, FormDict &operands) { | |
4750 OpClassForm *opclass = NULL; | |
4751 char *ident = NULL; | |
4752 | |
4753 do { | |
4754 next_char(); // skip open paren & comma characters | |
4755 skipws(); | |
4756 if (_curchar == ')') break; | |
4757 | |
4758 // Get operand type, and check it against global name table | |
4759 ident = get_ident(); | |
4760 if (ident == NULL) { | |
4761 parse_err(SYNERR, "optype identifier expected at %c\n", _curchar); | |
4762 return; | |
4763 } | |
4764 else { | |
4765 const Form *form = _globalNames[ident]; | |
4766 if( form == NULL ) { | |
4767 parse_err(SYNERR, "undefined operand type %s\n", ident); | |
4768 return; | |
4769 } | |
4770 | |
4771 // Check for valid operand type | |
4772 OpClassForm *opc = form->is_opclass(); | |
4773 OperandForm *oper = form->is_operand(); | |
4774 if((oper == NULL) && (opc == NULL)) { | |
4775 parse_err(SYNERR, "identifier %s not operand type\n", ident); | |
4776 return; | |
4777 } | |
4778 opclass = opc; | |
4779 } | |
4780 // Debugging Stuff | |
4781 if (_AD._adl_debug > 1) fprintf(stderr, "\tOperand Type: %s\t", ident); | |
4782 | |
4783 // Get name of operand and add it to local name table | |
4784 if( (ident = get_unique_ident(operands, "operand")) == NULL) { | |
4785 return; | |
4786 } | |
4787 // Parameter names must not be global names. | |
4788 if( _globalNames[ident] != NULL ) { | |
4789 parse_err(SYNERR, "Reuse of global name %s as operand.\n",ident); | |
4790 return; | |
4791 } | |
4792 operands.Insert(ident, opclass); | |
4793 parameters.addName(ident); | |
4794 | |
4795 // Debugging Stuff | |
4796 if (_AD._adl_debug > 1) fprintf(stderr, "\tOperand Name: %s\n", ident); | |
4797 skipws(); | |
4798 } while(_curchar == ','); | |
4799 | |
4800 if (_curchar != ')') parse_err(SYNERR, "missing ')'\n"); | |
4801 else { | |
4802 next_char(); // set current character position past the close paren | |
4803 } | |
4804 } | |
4805 | |
4806 | |
4807 //------------------------------get_effectlist--------------------------------- | |
4808 // Looks for identifier pairs where first must be the name of a pre-defined, | |
4809 // effect, and the second must be the name of an operand defined in the | |
4810 // operand list of this instruction. Stores the names with a pointer to the | |
4811 // effect form in a local effects table. | |
4120
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diff
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|
4812 void ADLParser::get_effectlist(FormDict &effects, FormDict &operands, bool& has_call) { |
0 | 4813 OperandForm *opForm; |
4814 Effect *eForm; | |
4815 char *ident; | |
4816 | |
4817 do { | |
4818 next_char(); // skip open paren & comma characters | |
4819 skipws(); | |
4820 if (_curchar == ')') break; | |
4821 | |
4822 // Get effect type, and check it against global name table | |
4823 ident = get_ident(); | |
4824 if (ident == NULL) { | |
4825 parse_err(SYNERR, "effect type identifier expected at %c\n", _curchar); | |
4826 return; | |
4827 } | |
4828 else { | |
4829 // Check for valid effect type | |
4830 const Form *form = _globalNames[ident]; | |
4831 if( form == NULL ) { | |
4832 parse_err(SYNERR, "undefined effect type %s\n", ident); | |
4833 return; | |
4834 } | |
4835 else { | |
4836 if( (eForm = form->is_effect()) == NULL) { | |
4837 parse_err(SYNERR, "identifier %s not effect type\n", ident); | |
4838 return; | |
4839 } | |
4840 } | |
4841 } | |
4842 // Debugging Stuff | |
4843 if (_AD._adl_debug > 1) fprintf(stderr, "\tEffect Type: %s\t", ident); | |
4844 skipws(); | |
4120
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
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4114
diff
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|
4845 if (eForm->is(Component::CALL)) { |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
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4114
diff
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|
4846 if (_AD._adl_debug > 1) fprintf(stderr, "\n"); |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
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4114
diff
changeset
|
4847 has_call = true; |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
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4114
diff
changeset
|
4848 } else { |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
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4114
diff
changeset
|
4849 // Get name of operand and check that it is in the local name table |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
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4114
diff
changeset
|
4850 if( (ident = get_unique_ident(effects, "effect")) == NULL) { |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
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4114
diff
changeset
|
4851 parse_err(SYNERR, "missing operand identifier in effect list\n"); |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
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4114
diff
changeset
|
4852 return; |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
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4114
diff
changeset
|
4853 } |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
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4114
diff
changeset
|
4854 const Form *form = operands[ident]; |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
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4114
diff
changeset
|
4855 opForm = form ? form->is_operand() : NULL; |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
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4114
diff
changeset
|
4856 if( opForm == NULL ) { |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
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4114
diff
changeset
|
4857 if( form && form->is_opclass() ) { |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
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4114
diff
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|
4858 const char* cname = form->is_opclass()->_ident; |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
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4114
diff
changeset
|
4859 parse_err(SYNERR, "operand classes are illegal in effect lists (found %s %s)\n", cname, ident); |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
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4114
diff
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|
4860 } else { |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
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4114
diff
changeset
|
4861 parse_err(SYNERR, "undefined operand %s in effect list\n", ident); |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
roland
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4114
diff
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|
4862 } |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
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parents:
4114
diff
changeset
|
4863 return; |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
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4114
diff
changeset
|
4864 } |
f03a3c8bd5e5
7077312: Provide a CALL effect for instruct declaration in the ad file
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4114
diff
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|
4865 // Add the pair to the effects table |
f03a3c8bd5e5
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4866 effects.Insert(ident, eForm); |
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4867 // Debugging Stuff |
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4868 if (_AD._adl_debug > 1) fprintf(stderr, "\tOperand Name: %s\n", ident); |
0 | 4869 } |
4870 skipws(); | |
4871 } while(_curchar == ','); | |
4872 | |
4873 if (_curchar != ')') parse_err(SYNERR, "missing ')'\n"); | |
4874 else { | |
4875 next_char(); // set current character position past the close paren | |
4876 } | |
4877 } | |
4878 | |
4879 | |
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4880 //-------------------------------preproc_line---------------------------------- |
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4881 // A "#line" keyword has been seen, so parse the rest of the line. |
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4882 void ADLParser::preproc_line(void) { |
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4883 int line = get_int(); |
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4884 skipws_no_preproc(); |
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4885 const char* file = NULL; |
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4886 if (_curchar == '"') { |
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6771309: debugging AD files is difficult without #line directives in generated code
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4887 next_char(); // Move past the initial '"' |
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6771309: debugging AD files is difficult without #line directives in generated code
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4888 file = _ptr; |
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4889 while (true) { |
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4890 if (_curchar == '\n') { |
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4891 parse_err(SYNERR, "missing '\"' at end of #line directive"); |
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6771309: debugging AD files is difficult without #line directives in generated code
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4892 return; |
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|
4893 } |
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4894 if (_curchar == '"') { |
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4895 *_ptr = '\0'; // Terminate the string |
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4896 next_char(); |
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4897 skipws_no_preproc(); |
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4898 break; |
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4899 } |
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4900 next_char(); |
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4901 } |
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4902 } |
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4903 ensure_end_of_line(); |
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4904 if (file != NULL) |
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4905 _AD._ADL_file._name = file; |
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4906 _buf.set_linenum(line); |
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4907 } |
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4908 |
0 | 4909 //------------------------------preproc_define--------------------------------- |
4910 // A "#define" keyword has been seen, so parse the rest of the line. | |
4911 void ADLParser::preproc_define(void) { | |
4912 char* flag = get_ident_no_preproc(); | |
4913 skipws_no_preproc(); | |
4914 // only #define x y is supported for now | |
4915 char* def = get_ident_no_preproc(); | |
4916 _AD.set_preproc_def(flag, def); | |
4917 skipws_no_preproc(); | |
4918 if (_curchar != '\n') { | |
4919 parse_err(SYNERR, "non-identifier in preprocessor definition\n"); | |
4920 } | |
4921 } | |
4922 | |
4923 //------------------------------preproc_undef---------------------------------- | |
4924 // An "#undef" keyword has been seen, so parse the rest of the line. | |
4925 void ADLParser::preproc_undef(void) { | |
4926 char* flag = get_ident_no_preproc(); | |
4927 skipws_no_preproc(); | |
4928 ensure_end_of_line(); | |
4929 _AD.set_preproc_def(flag, NULL); | |
4930 } | |
4931 | |
4932 | |
4933 | |
4934 //------------------------------parse_err-------------------------------------- | |
4935 // Issue a parser error message, and skip to the end of the current line | |
4936 void ADLParser::parse_err(int flag, const char *fmt, ...) { | |
4937 va_list args; | |
4938 | |
4939 va_start(args, fmt); | |
4940 if (flag == 1) | |
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4941 _AD._syntax_errs += _AD.emit_msg(0, flag, linenum(), fmt, args); |
0 | 4942 else if (flag == 2) |
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4943 _AD._semantic_errs += _AD.emit_msg(0, flag, linenum(), fmt, args); |
0 | 4944 else |
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4945 _AD._warnings += _AD.emit_msg(0, flag, linenum(), fmt, args); |
0 | 4946 |
4947 int error_char = _curchar; | |
4948 char* error_ptr = _ptr+1; | |
4949 for(;*_ptr != '\n'; _ptr++) ; // Skip to the end of the current line | |
4950 _curchar = '\n'; | |
4951 va_end(args); | |
4952 _AD._no_output = 1; | |
4953 | |
4954 if (flag == 1) { | |
4955 char* error_tail = strchr(error_ptr, '\n'); | |
4956 char tem = *error_ptr; | |
4957 error_ptr[-1] = '\0'; | |
4958 char* error_head = error_ptr-1; | |
4959 while (error_head > _curline && *error_head) --error_head; | |
4960 if (error_tail) *error_tail = '\0'; | |
4961 fprintf(stderr, "Error Context: %s>>>%c<<<%s\n", | |
4962 error_head, error_char, error_ptr); | |
4963 if (error_tail) *error_tail = '\n'; | |
4964 error_ptr[-1] = tem; | |
4965 } | |
4966 } | |
4967 | |
4968 //---------------------------ensure_start_of_line------------------------------ | |
4969 // A preprocessor directive has been encountered. Be sure it has fallen at | |
605 | 4970 // the beginning of a line, or else report an error. |
0 | 4971 void ADLParser::ensure_start_of_line(void) { |
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4972 if (_curchar == '\n') { next_line(); return; } |
0 | 4973 assert( _ptr >= _curline && _ptr < _curline+strlen(_curline), |
4974 "Must be able to find which line we are in" ); | |
4975 | |
4976 for (char *s = _curline; s < _ptr; s++) { | |
4977 if (*s > ' ') { | |
4978 parse_err(SYNERR, "'%c' must be at beginning of line\n", _curchar); | |
4979 break; | |
4980 } | |
4981 } | |
4982 } | |
4983 | |
4984 //---------------------------ensure_end_of_line-------------------------------- | |
4985 // A preprocessor directive has been parsed. Be sure there is no trailing | |
4986 // garbage at the end of this line. Set the scan point to the beginning of | |
4987 // the next line. | |
4988 void ADLParser::ensure_end_of_line(void) { | |
4989 skipws_no_preproc(); | |
4990 if (_curchar != '\n' && _curchar != '\0') { | |
4991 parse_err(SYNERR, "garbage char '%c' at end of line\n", _curchar); | |
4992 } else { | |
4993 next_char_or_line(); | |
4994 } | |
4995 } | |
4996 | |
4997 //---------------------------handle_preproc------------------------------------ | |
4998 // The '#' character introducing a preprocessor directive has been found. | |
4999 // Parse the whole directive name (e.g., #define, #endif) and take appropriate | |
5000 // action. If we are in an "untaken" span of text, simply keep track of | |
5001 // #ifdef nesting structure, so we can find out when to start taking text | |
5002 // again. (In this state, we "sort of support" C's #if directives, enough | |
5003 // to disregard their associated #else and #endif lines.) If we are in a | |
5004 // "taken" span of text, there are two cases: "#define" and "#undef" | |
5005 // directives are preserved and passed up to the caller, which eventually | |
5006 // passes control to the top-level parser loop, which handles #define and | |
5007 // #undef directly. (This prevents these directives from occurring in | |
5008 // arbitrary positions in the AD file--we require better structure than C.) | |
5009 // In the other case, and #ifdef, #ifndef, #else, or #endif is silently | |
5010 // processed as whitespace, with the "taken" state of the text correctly | |
5011 // updated. This routine returns "false" exactly in the case of a "taken" | |
5012 // #define or #undef, which tells the caller that a preprocessor token | |
5013 // has appeared which must be handled explicitly by the parse loop. | |
5014 bool ADLParser::handle_preproc_token() { | |
5015 assert(*_ptr == '#', "must be at start of preproc"); | |
5016 ensure_start_of_line(); | |
5017 next_char(); | |
5018 skipws_no_preproc(); | |
5019 char* start_ident = _ptr; | |
5020 char* ident = (_curchar == '\n') ? NULL : get_ident_no_preproc(); | |
5021 if (ident == NULL) { | |
5022 parse_err(SYNERR, "expected preprocessor command, got end of line\n"); | |
5023 } else if (!strcmp(ident, "ifdef") || | |
5024 !strcmp(ident, "ifndef")) { | |
5025 char* flag = get_ident_no_preproc(); | |
5026 ensure_end_of_line(); | |
5027 // Test the identifier only if we are already in taken code: | |
5028 bool flag_def = preproc_taken() && (_AD.get_preproc_def(flag) != NULL); | |
5029 bool now_taken = !strcmp(ident, "ifdef") ? flag_def : !flag_def; | |
5030 begin_if_def(now_taken); | |
5031 } else if (!strcmp(ident, "if")) { | |
5032 if (preproc_taken()) | |
5033 parse_err(SYNERR, "unimplemented: #%s %s", ident, _ptr+1); | |
5034 next_line(); | |
5035 // Intelligently skip this nested C preprocessor directive: | |
5036 begin_if_def(true); | |
5037 } else if (!strcmp(ident, "else")) { | |
5038 ensure_end_of_line(); | |
5039 invert_if_def(); | |
5040 } else if (!strcmp(ident, "endif")) { | |
5041 ensure_end_of_line(); | |
5042 end_if_def(); | |
5043 } else if (preproc_taken()) { | |
5044 // pass this token up to the main parser as "#define" or "#undef" | |
5045 _ptr = start_ident; | |
5046 _curchar = *--_ptr; | |
5047 if( _curchar != '#' ) { | |
5048 parse_err(SYNERR, "no space allowed after # in #define or #undef"); | |
5049 assert(_curchar == '#', "no space allowed after # in #define or #undef"); | |
5050 } | |
5051 return false; | |
5052 } | |
5053 return true; | |
5054 } | |
5055 | |
5056 //---------------------------skipws_common------------------------------------- | |
5057 // Skip whitespace, including comments and newlines, while keeping an accurate | |
5058 // line count. | |
5059 // Maybe handle certain preprocessor constructs: #ifdef, #ifndef, #else, #endif | |
5060 void ADLParser::skipws_common(bool do_preproc) { | |
5061 char *start = _ptr; | |
5062 char *next = _ptr + 1; | |
5063 | |
5064 if (*_ptr == '\0') { | |
5065 // Check for string terminator | |
5066 if (_curchar > ' ') return; | |
5067 if (_curchar == '\n') { | |
5068 if (!do_preproc) return; // let caller handle the newline | |
5069 next_line(); | |
5070 _ptr = _curline; next = _ptr + 1; | |
5071 } | |
5072 else if (_curchar == '#' || | |
5073 (_curchar == '/' && (*next == '/' || *next == '*'))) { | |
5074 parse_err(SYNERR, "unimplemented: comment token in a funny place"); | |
5075 } | |
5076 } | |
5077 while(_curline != NULL) { // Check for end of file | |
5078 if (*_ptr == '\n') { // keep proper track of new lines | |
5079 if (!do_preproc) break; // let caller handle the newline | |
5080 next_line(); | |
5081 _ptr = _curline; next = _ptr + 1; | |
5082 } | |
5083 else if ((*_ptr == '/') && (*next == '/')) // C++ comment | |
5084 do { _ptr++; next++; } while(*_ptr != '\n'); // So go to end of line | |
5085 else if ((*_ptr == '/') && (*next == '*')) { // C comment | |
5086 _ptr++; next++; | |
5087 do { | |
5088 _ptr++; next++; | |
5089 if (*_ptr == '\n') { // keep proper track of new lines | |
5090 next_line(); // skip newlines within comments | |
5091 if (_curline == NULL) { // check for end of file | |
5092 parse_err(SYNERR, "end-of-file detected inside comment\n"); | |
5093 break; | |
5094 } | |
5095 _ptr = _curline; next = _ptr + 1; | |
5096 } | |
5097 } while(!((*_ptr == '*') && (*next == '/'))); // Go to end of comment | |
5098 _ptr = ++next; next++; // increment _ptr past comment end | |
5099 } | |
5100 else if (do_preproc && *_ptr == '#') { | |
5101 // Note that this calls skipws_common(false) recursively! | |
5102 bool preproc_handled = handle_preproc_token(); | |
5103 if (!preproc_handled) { | |
5104 if (preproc_taken()) { | |
5105 return; // short circuit | |
5106 } | |
5107 ++_ptr; // skip the preprocessor character | |
5108 } | |
5109 next = _ptr+1; | |
5110 } else if(*_ptr > ' ' && !(do_preproc && !preproc_taken())) { | |
5111 break; | |
5112 } | |
5113 else if (*_ptr == '"' || *_ptr == '\'') { | |
5114 assert(do_preproc, "only skip strings if doing preproc"); | |
5115 // skip untaken quoted string | |
5116 int qchar = *_ptr; | |
5117 while (true) { | |
5118 ++_ptr; | |
5119 if (*_ptr == qchar) { ++_ptr; break; } | |
5120 if (*_ptr == '\\') ++_ptr; | |
5121 if (*_ptr == '\n' || *_ptr == '\0') { | |
5122 parse_err(SYNERR, "newline in string"); | |
5123 break; | |
5124 } | |
5125 } | |
5126 next = _ptr + 1; | |
5127 } | |
5128 else { ++_ptr; ++next; } | |
5129 } | |
5130 if( _curline != NULL ) // at end of file _curchar isn't valid | |
5131 _curchar = *_ptr; // reset _curchar to maintain invariant | |
5132 } | |
5133 | |
5134 //---------------------------cur_char----------------------------------------- | |
5135 char ADLParser::cur_char() { | |
5136 return (_curchar); | |
5137 } | |
5138 | |
5139 //---------------------------next_char----------------------------------------- | |
5140 void ADLParser::next_char() { | |
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5141 if (_curchar == '\n') parse_err(WARN, "must call next_line!"); |
0 | 5142 _curchar = *++_ptr; |
5143 // if ( _curchar == '\n' ) { | |
5144 // next_line(); | |
5145 // } | |
5146 } | |
5147 | |
5148 //---------------------------next_char_or_line--------------------------------- | |
5149 void ADLParser::next_char_or_line() { | |
5150 if ( _curchar != '\n' ) { | |
5151 _curchar = *++_ptr; | |
5152 } else { | |
5153 next_line(); | |
5154 _ptr = _curline; | |
5155 _curchar = *_ptr; // maintain invariant | |
5156 } | |
5157 } | |
5158 | |
5159 //---------------------------next_line----------------------------------------- | |
5160 void ADLParser::next_line() { | |
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5161 _curline = _buf.get_line(); |
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5162 _curchar = ' '; |
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5163 } |
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5164 |
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5165 //------------------------get_line_string-------------------------------------- |
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5166 // Prepended location descriptor, for debugging. |
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5167 // Must return a malloced string (that can be freed if desired). |
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5168 char* ADLParser::get_line_string(int linenum) { |
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5169 const char* file = _AD._ADL_file._name; |
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5170 int line = linenum ? linenum : this->linenum(); |
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5171 char* location = (char *)malloc(strlen(file) + 100); |
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5172 sprintf(location, "\n#line %d \"%s\"\n", line, file); |
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5173 return location; |
0 | 5174 } |
5175 | |
5176 //-------------------------is_literal_constant--------------------------------- | |
5177 bool ADLParser::is_literal_constant(const char *param) { | |
5178 if (param[0] == 0) return false; // null string | |
5179 if (param[0] == '(') return true; // parenthesized expression | |
5180 if (param[0] == '0' && (param[1] == 'x' || param[1] == 'X')) { | |
5181 // Make sure it's a hex constant. | |
5182 int i = 2; | |
5183 do { | |
5184 if( !ADLParser::is_hex_digit(*(param+i)) ) return false; | |
5185 ++i; | |
5186 } while( *(param+i) != 0 ); | |
5187 return true; | |
5188 } | |
5189 return false; | |
5190 } | |
5191 | |
5192 //---------------------------is_hex_digit-------------------------------------- | |
5193 bool ADLParser::is_hex_digit(char digit) { | |
5194 return ((digit >= '0') && (digit <= '9')) | |
5195 ||((digit >= 'a') && (digit <= 'f')) | |
5196 ||((digit >= 'A') && (digit <= 'F')); | |
5197 } | |
5198 | |
5199 //---------------------------is_int_token-------------------------------------- | |
5200 bool ADLParser::is_int_token(const char* token, int& intval) { | |
5201 const char* cp = token; | |
5202 while (*cp != '\0' && *cp <= ' ') cp++; | |
5203 if (*cp == '-') cp++; | |
5204 int ndigit = 0; | |
5205 while (*cp >= '0' && *cp <= '9') { cp++; ndigit++; } | |
5206 while (*cp != '\0' && *cp <= ' ') cp++; | |
5207 if (ndigit == 0 || *cp != '\0') { | |
5208 return false; | |
5209 } | |
5210 intval = atoi(token); | |
5211 return true; | |
5212 } | |
5213 | |
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5214 static const char* skip_expr_ws(const char* str) { |
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5215 const char * cp = str; |
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5216 while (cp[0]) { |
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5217 if (cp[0] <= ' ') { |
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5218 ++cp; |
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5219 } else if (cp[0] == '#') { |
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|
5220 ++cp; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
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415
diff
changeset
|
5221 while (cp[0] == ' ') ++cp; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
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415
diff
changeset
|
5222 assert(0 == strncmp(cp, "line", 4), "must be a #line directive"); |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
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415
diff
changeset
|
5223 const char* eol = strchr(cp, '\n'); |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
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415
diff
changeset
|
5224 assert(eol != NULL, "must find end of line"); |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5225 if (eol == NULL) eol = cp + strlen(cp); |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
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415
diff
changeset
|
5226 cp = eol; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
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415
diff
changeset
|
5227 } else { |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5228 break; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5229 } |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
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415
diff
changeset
|
5230 } |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
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415
diff
changeset
|
5231 return cp; |
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6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5232 } |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
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415
diff
changeset
|
5233 |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
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diff
changeset
|
5234 //-----------------------equivalent_expressions-------------------------------- |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
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diff
changeset
|
5235 bool ADLParser::equivalent_expressions(const char* str1, const char* str2) { |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
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415
diff
changeset
|
5236 if (str1 == str2) |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5237 return true; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5238 else if (str1 == NULL || str2 == NULL) |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5239 return false; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
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415
diff
changeset
|
5240 const char* cp1 = str1; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5241 const char* cp2 = str2; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5242 char in_quote = '\0'; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5243 while (cp1[0] && cp2[0]) { |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
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415
diff
changeset
|
5244 if (!in_quote) { |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5245 // skip spaces and/or cpp directives |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5246 const char* cp1a = skip_expr_ws(cp1); |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5247 const char* cp2a = skip_expr_ws(cp2); |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
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415
diff
changeset
|
5248 if (cp1a > cp1 && cp2a > cp2) { |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
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415
diff
changeset
|
5249 cp1 = cp1a; cp2 = cp2a; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
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415
diff
changeset
|
5250 continue; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5251 } |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5252 if (cp1a > cp1 || cp2a > cp2) break; // fail |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5253 } |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5254 // match one non-space char |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
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415
diff
changeset
|
5255 if (cp1[0] != cp2[0]) break; // fail |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
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415
diff
changeset
|
5256 char ch = cp1[0]; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5257 cp1++; cp2++; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
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415
diff
changeset
|
5258 // watch for quotes |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5259 if (in_quote && ch == '\\') { |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5260 if (cp1[0] != cp2[0]) break; // fail |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5261 if (!cp1[0]) break; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5262 cp1++; cp2++; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5263 } |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5264 if (in_quote && ch == in_quote) { |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5265 in_quote = '\0'; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5266 } else if (!in_quote && (ch == '"' || ch == '\'')) { |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5267 in_quote = ch; |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5268 } |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5269 } |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5270 return (!cp1[0] && !cp2[0]); |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5271 } |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5272 |
284d0af00d53
6771309: debugging AD files is difficult without #line directives in generated code
jrose
parents:
415
diff
changeset
|
5273 |
0 | 5274 //-------------------------------trim------------------------------------------ |
5275 void ADLParser::trim(char* &token) { | |
5276 while (*token <= ' ') token++; | |
5277 char* end = token + strlen(token); | |
5278 while (end > token && *(end-1) <= ' ') --end; | |
5279 *end = '\0'; | |
5280 } |