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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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