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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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228 // Compile the code. | 228 // Compile the code. |
229 CompilationInfo info(lit, script, is_eval); | 229 CompilationInfo info(lit, script, is_eval); |
230 Handle<Code> code = MakeCode(context, &info); | 230 Handle<Code> code = MakeCode(context, &info); |
231 | 231 |
232 // Check for stack-overflow exceptions. | 232 // Check for stack-overflow exceptions. |
233 if (code.is_null()) { | 233 if (code.is_null()) { |
234 Top::StackOverflow(); | 234 Top::StackOverflow(); |
235 return Handle<SharedFunctionInfo>::null(); | 235 return Handle<SharedFunctionInfo>::null(); |
236 } | 236 } |
237 | 237 |
238 #if defined ENABLE_LOGGING_AND_PROFILING || defined ENABLE_OPROFILE_AGENT | 238 if (script->name()->IsString()) { |
239 // Log the code generation for the script. Check explicit whether logging is | 239 LOG(CodeCreateEvent(is_eval ? Logger::EVAL_TAG : Logger::SCRIPT_TAG, |
240 // to avoid allocating when not required. | 240 *code, String::cast(script->name()))); |
241 if (Logger::is_logging() || OProfileAgent::is_enabled()) { | 241 OPROFILE(CreateNativeCodeRegion(String::cast(script->name()), |
242 if (script->name()->IsString()) { | 242 code->instruction_start(), |
243 SmartPointer<char> data = | 243 code->instruction_size())); |
244 String::cast(script->name())->ToCString(DISALLOW_NULLS); | 244 } else { |
245 LOG(CodeCreateEvent(is_eval ? Logger::EVAL_TAG : Logger::SCRIPT_TAG, | 245 LOG(CodeCreateEvent(is_eval ? Logger::EVAL_TAG : Logger::SCRIPT_TAG, |
246 *code, *data)); | 246 *code, "")); |
247 OProfileAgent::CreateNativeCodeRegion(*data, | 247 OPROFILE(CreateNativeCodeRegion(is_eval ? "Eval" : "Script", |
248 code->instruction_start(), | 248 code->instruction_start(), |
249 code->instruction_size()); | 249 code->instruction_size())); |
250 } else { | |
251 LOG(CodeCreateEvent(is_eval ? Logger::EVAL_TAG : Logger::SCRIPT_TAG, | |
252 *code, "")); | |
253 OProfileAgent::CreateNativeCodeRegion(is_eval ? "Eval" : "Script", | |
254 code->instruction_start(), | |
255 code->instruction_size()); | |
256 } | |
257 } | 250 } |
258 #endif | |
259 | 251 |
260 // Allocate function. | 252 // Allocate function. |
261 Handle<SharedFunctionInfo> result = | 253 Handle<SharedFunctionInfo> result = |
262 Factory::NewSharedFunctionInfo(lit->name(), | 254 Factory::NewSharedFunctionInfo(lit->name(), |
263 lit->materialized_literal_count(), | 255 lit->materialized_literal_count(), |
264 code); | 256 code); |
265 | 257 |
266 ASSERT_EQ(RelocInfo::kNoPosition, lit->function_token_position()); | 258 ASSERT_EQ(RelocInfo::kNoPosition, lit->function_token_position()); |
267 Compiler::SetFunctionInfo(result, lit, true, script); | 259 Compiler::SetFunctionInfo(result, lit, true, script); |
268 | 260 |
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436 | 428 |
437 // Compile the code. | 429 // Compile the code. |
438 Handle<Code> code = MakeCode(Handle<Context>::null(), info); | 430 Handle<Code> code = MakeCode(Handle<Context>::null(), info); |
439 | 431 |
440 // Check for stack-overflow exception. | 432 // Check for stack-overflow exception. |
441 if (code.is_null()) { | 433 if (code.is_null()) { |
442 Top::StackOverflow(); | 434 Top::StackOverflow(); |
443 return false; | 435 return false; |
444 } | 436 } |
445 | 437 |
446 #if defined ENABLE_LOGGING_AND_PROFILING || defined ENABLE_OPROFILE_AGENT | 438 RecordFunctionCompilation(Logger::LAZY_COMPILE_TAG, |
447 LogCodeCreateEvent(Logger::LAZY_COMPILE_TAG, | 439 name, |
448 name, | 440 Handle<String>(shared->inferred_name()), |
449 Handle<String>(shared->inferred_name()), | 441 start_position, |
450 start_position, | 442 info->script(), |
451 info->script(), | 443 code); |
452 code); | |
453 #endif | |
454 | 444 |
455 // Update the shared function info with the compiled code. | 445 // Update the shared function info with the compiled code. |
456 shared->set_code(*code); | 446 shared->set_code(*code); |
457 | 447 |
458 // Set the expected number of properties for instances. | 448 // Set the expected number of properties for instances. |
459 SetExpectedNofPropertiesFromEstimate(shared, lit->expected_property_count()); | 449 SetExpectedNofPropertiesFromEstimate(shared, lit->expected_property_count()); |
460 | 450 |
461 // Set the optimication hints after performing lazy compilation, as these are | 451 // Set the optimication hints after performing lazy compilation, as these are |
462 // not set when the function is set up as a lazily compiled function. | 452 // not set when the function is set up as a lazily compiled function. |
463 shared->SetThisPropertyAssignmentsInfo( | 453 shared->SetThisPropertyAssignmentsInfo( |
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571 code = CodeGenerator::MakeCode(&info); | 561 code = CodeGenerator::MakeCode(&info); |
572 } | 562 } |
573 | 563 |
574 // Check for stack-overflow exception. | 564 // Check for stack-overflow exception. |
575 if (code.is_null()) { | 565 if (code.is_null()) { |
576 caller->SetStackOverflow(); | 566 caller->SetStackOverflow(); |
577 return Handle<SharedFunctionInfo>::null(); | 567 return Handle<SharedFunctionInfo>::null(); |
578 } | 568 } |
579 | 569 |
580 // Function compilation complete. | 570 // Function compilation complete. |
581 | 571 RecordFunctionCompilation(Logger::FUNCTION_TAG, |
582 #if defined ENABLE_LOGGING_AND_PROFILING || defined ENABLE_OPROFILE_AGENT | 572 literal->name(), |
583 LogCodeCreateEvent(Logger::FUNCTION_TAG, | 573 literal->inferred_name(), |
584 literal->name(), | 574 literal->start_position(), |
585 literal->inferred_name(), | 575 script, |
586 literal->start_position(), | 576 code); |
587 script, | |
588 code); | |
589 #endif | |
590 } | 577 } |
591 | 578 |
592 // Create a boilerplate function. | 579 // Create a boilerplate function. |
593 Handle<SharedFunctionInfo> result = | 580 Handle<SharedFunctionInfo> result = |
594 Factory::NewSharedFunctionInfo(literal->name(), | 581 Factory::NewSharedFunctionInfo(literal->name(), |
595 literal->materialized_literal_count(), | 582 literal->materialized_literal_count(), |
596 code); | 583 code); |
597 SetFunctionInfo(result, literal, false, script); | 584 SetFunctionInfo(result, literal, false, script); |
598 | 585 |
599 // Set the expected number of properties for instances and return | 586 // Set the expected number of properties for instances and return |
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621 function_info->set_is_expression(lit->is_expression()); | 608 function_info->set_is_expression(lit->is_expression()); |
622 function_info->set_is_toplevel(is_toplevel); | 609 function_info->set_is_toplevel(is_toplevel); |
623 function_info->set_inferred_name(*lit->inferred_name()); | 610 function_info->set_inferred_name(*lit->inferred_name()); |
624 function_info->SetThisPropertyAssignmentsInfo( | 611 function_info->SetThisPropertyAssignmentsInfo( |
625 lit->has_only_simple_this_property_assignments(), | 612 lit->has_only_simple_this_property_assignments(), |
626 *lit->this_property_assignments()); | 613 *lit->this_property_assignments()); |
627 function_info->set_try_full_codegen(lit->try_full_codegen()); | 614 function_info->set_try_full_codegen(lit->try_full_codegen()); |
628 } | 615 } |
629 | 616 |
630 | 617 |
631 #if defined ENABLE_LOGGING_AND_PROFILING || defined ENABLE_OPROFILE_AGENT | 618 void Compiler::RecordFunctionCompilation(Logger::LogEventsAndTags tag, |
632 void Compiler::LogCodeCreateEvent(Logger::LogEventsAndTags tag, | 619 Handle<String> name, |
633 Handle<String> name, | 620 Handle<String> inferred_name, |
634 Handle<String> inferred_name, | 621 int start_position, |
635 int start_position, | 622 Handle<Script> script, |
636 Handle<Script> script, | 623 Handle<Code> code) { |
637 Handle<Code> code) { | |
638 // Log the code generation. If source information is available | 624 // Log the code generation. If source information is available |
639 // include script name and line number. Check explicitly whether | 625 // include script name and line number. Check explicitly whether |
640 // logging is enabled as finding the line number is not free. | 626 // logging is enabled as finding the line number is not free. |
641 if (Logger::is_logging() || OProfileAgent::is_enabled()) { | 627 if (Logger::is_logging() || OProfileAgent::is_enabled()) { |
642 Handle<String> func_name(name->length() > 0 ? *name : *inferred_name); | 628 Handle<String> func_name(name->length() > 0 ? *name : *inferred_name); |
643 if (script->name()->IsString()) { | 629 if (script->name()->IsString()) { |
644 int line_num = GetScriptLineNumber(script, start_position) + 1; | 630 int line_num = GetScriptLineNumber(script, start_position) + 1; |
| 631 USE(line_num); |
645 LOG(CodeCreateEvent(tag, *code, *func_name, | 632 LOG(CodeCreateEvent(tag, *code, *func_name, |
646 String::cast(script->name()), line_num)); | 633 String::cast(script->name()), line_num)); |
647 OProfileAgent::CreateNativeCodeRegion(*func_name, | 634 OPROFILE(CreateNativeCodeRegion(*func_name, |
648 String::cast(script->name()), | 635 String::cast(script->name()), |
649 line_num, | 636 line_num, |
650 code->instruction_start(), | 637 code->instruction_start(), |
651 code->instruction_size()); | 638 code->instruction_size())); |
652 } else { | 639 } else { |
653 LOG(CodeCreateEvent(tag, *code, *func_name)); | 640 LOG(CodeCreateEvent(tag, *code, *func_name)); |
654 OProfileAgent::CreateNativeCodeRegion(*func_name, | 641 OPROFILE(CreateNativeCodeRegion(*func_name, |
655 code->instruction_start(), | 642 code->instruction_start(), |
656 code->instruction_size()); | 643 code->instruction_size())); |
657 } | 644 } |
658 } | 645 } |
659 } | 646 } |
660 #endif | |
661 | 647 |
662 } } // namespace v8::internal | 648 } } // namespace v8::internal |
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