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Issue 7346: Code formatting changes. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 12 years, 2 months ago
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1 // Copyright 2007-2008 the V8 project authors. All rights reserved. 1 // Copyright 2007-2008 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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338 if (node->name()->IsEqualTo(CStrVector(entry->name))) { 338 if (node->name()->IsEqualTo(CStrVector(entry->name))) {
339 ((*this).*(entry->method))(args); 339 ((*this).*(entry->method))(args);
340 return true; 340 return true;
341 } 341 }
342 } 342 }
343 } 343 }
344 return false; 344 return false;
345 } 345 }
346 346
347 347
348 void CodeGenerator::GenerateFastCaseSwitchStatement( 348 void CodeGenerator::GenerateFastCaseSwitchStatement(SwitchStatement* node,
349 SwitchStatement *node, int min_index, int range, int default_index) { 349 int min_index,
350 350 int range,
351 int default_index) {
351 ZoneList<CaseClause*>* cases = node->cases(); 352 ZoneList<CaseClause*>* cases = node->cases();
352 int length = cases->length(); 353 int length = cases->length();
353 354
354 // Label pointer per number in range 355 // Label pointer per number in range
355 SmartPointer<Label*> case_targets(NewArray<Label*>(range)); 356 SmartPointer<Label*> case_targets(NewArray<Label*>(range));
356 357
357 // Label per switch case 358 // Label per switch case
358 SmartPointer<Label> case_labels(NewArray<Label>(length)); 359 SmartPointer<Label> case_labels(NewArray<Label>(length));
359 360
360 Label* fail_label = (default_index >= 0 ? &(case_labels[default_index]) 361 Label* fail_label = default_index >= 0 ? &(case_labels[default_index])
361 : node->break_target()); 362 : node->break_target();
362 363
363 // Populate array of label pointers for each number in the range. 364 // Populate array of label pointers for each number in the range.
364 // Initally put the failure label everywhere. 365 // Initally put the failure label everywhere.
365 for (int i = 0; i < range; i++) { 366 for (int i = 0; i < range; i++) {
366 case_targets[i] = fail_label; 367 case_targets[i] = fail_label;
367 } 368 }
368 369
369 // Overwrite with label of a case for the number value of that case. 370 // Overwrite with label of a case for the number value of that case.
370 // (In reverse order, so that if the same label occurs twice, the 371 // (In reverse order, so that if the same label occurs twice, the
371 // first one wins). 372 // first one wins).
372 for (int i = length-1; i >= 0 ; i--) { 373 for (int i = length-1; i >= 0 ; i--) {
373 CaseClause* clause = cases->at(i); 374 CaseClause* clause = cases->at(i);
374 if (!clause->is_default()) { 375 if (!clause->is_default()) {
375 Object* label_value = *(clause->label()->AsLiteral()->handle()); 376 Object* label_value = *(clause->label()->AsLiteral()->handle());
376 int case_value = Smi::cast(label_value)->value(); 377 int case_value = Smi::cast(label_value)->value();
377 case_targets[case_value - min_index] = &(case_labels[i]); 378 case_targets[case_value - min_index] = &(case_labels[i]);
378 } 379 }
379 } 380 }
380 381
381 GenerateFastCaseSwitchJumpTable(node, min_index, range, fail_label, 382 GenerateFastCaseSwitchJumpTable(node, min_index, range, fail_label,
382 case_targets, case_labels); 383 case_targets, case_labels);
383 } 384 }
384 385
386
385 void CodeGenerator::GenerateFastCaseSwitchCases( 387 void CodeGenerator::GenerateFastCaseSwitchCases(
386 SwitchStatement* node, SmartPointer<Label> &case_labels) { 388 SwitchStatement* node,
387 389 SmartPointer<Label>& case_labels) {
388 ZoneList<CaseClause*>* cases = node->cases(); 390 ZoneList<CaseClause*>* cases = node->cases();
389 int length = cases->length(); 391 int length = cases->length();
390 392
391 for (int i = 0; i < length; i++) { 393 for (int i = 0; i < length; i++) {
392 Comment cmnt(masm(), "[ case clause"); 394 Comment cmnt(masm(), "[ Case clause");
393 masm()->bind(&(case_labels[i])); 395 masm()->bind(&(case_labels[i]));
394 VisitStatements(cases->at(i)->statements()); 396 VisitStatements(cases->at(i)->statements());
395 } 397 }
396 398
397 masm()->bind(node->break_target()); 399 masm()->bind(node->break_target());
398 } 400 }
399 401
400 402
401 bool CodeGenerator::TryGenerateFastCaseSwitchStatement(SwitchStatement* node) { 403 bool CodeGenerator::TryGenerateFastCaseSwitchStatement(SwitchStatement* node) {
402 ZoneList<CaseClause*>* cases = node->cases(); 404 ZoneList<CaseClause*>* cases = node->cases();
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459 void ArgumentsAccessStub::Generate(MacroAssembler* masm) { 461 void ArgumentsAccessStub::Generate(MacroAssembler* masm) {
460 switch (type_) { 462 switch (type_) {
461 case READ_LENGTH: GenerateReadLength(masm); break; 463 case READ_LENGTH: GenerateReadLength(masm); break;
462 case READ_ELEMENT: GenerateReadElement(masm); break; 464 case READ_ELEMENT: GenerateReadElement(masm); break;
463 case NEW_OBJECT: GenerateNewObject(masm); break; 465 case NEW_OBJECT: GenerateNewObject(masm); break;
464 } 466 }
465 } 467 }
466 468
467 469
468 } } // namespace v8::internal 470 } } // namespace v8::internal
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