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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #include "src/compiler.h" | 7 #include "src/compiler.h" |
8 | 8 |
9 #include "src/ast-numbering.h" | 9 #include "src/ast-numbering.h" |
10 #include "src/ast-this-access-visitor.h" | 10 #include "src/ast-this-access-visitor.h" |
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653 return true; | 653 return true; |
654 } | 654 } |
655 | 655 |
656 | 656 |
657 MUST_USE_RESULT static MaybeHandle<Code> GetUnoptimizedCodeCommon( | 657 MUST_USE_RESULT static MaybeHandle<Code> GetUnoptimizedCodeCommon( |
658 CompilationInfo* info) { | 658 CompilationInfo* info) { |
659 VMState<COMPILER> state(info->isolate()); | 659 VMState<COMPILER> state(info->isolate()); |
660 PostponeInterruptsScope postpone(info->isolate()); | 660 PostponeInterruptsScope postpone(info->isolate()); |
661 | 661 |
662 // Parse and update CompilationInfo with the results. | 662 // Parse and update CompilationInfo with the results. |
663 if (!Parser::Parse(info)) return MaybeHandle<Code>(); | 663 if (!Parser::ParseStatic(info)) return MaybeHandle<Code>(); |
664 Handle<SharedFunctionInfo> shared = info->shared_info(); | 664 Handle<SharedFunctionInfo> shared = info->shared_info(); |
665 FunctionLiteral* lit = info->function(); | 665 FunctionLiteral* lit = info->function(); |
666 shared->set_language_mode(lit->language_mode()); | 666 shared->set_language_mode(lit->language_mode()); |
667 SetExpectedNofPropertiesFromEstimate(shared, lit->expected_property_count()); | 667 SetExpectedNofPropertiesFromEstimate(shared, lit->expected_property_count()); |
668 MaybeDisableOptimization(shared, lit->dont_optimize_reason()); | 668 MaybeDisableOptimization(shared, lit->dont_optimize_reason()); |
669 | 669 |
670 // Compile unoptimized code. | 670 // Compile unoptimized code. |
671 if (!CompileUnoptimizedCode(info)) return MaybeHandle<Code>(); | 671 if (!CompileUnoptimizedCode(info)) return MaybeHandle<Code>(); |
672 | 672 |
673 CHECK_EQ(Code::FUNCTION, info->code()->kind()); | 673 CHECK_EQ(Code::FUNCTION, info->code()->kind()); |
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825 if (!Rewriter::Rewrite(info)) return false; | 825 if (!Rewriter::Rewrite(info)) return false; |
826 if (!Scope::Analyze(info)) return false; | 826 if (!Scope::Analyze(info)) return false; |
827 if (!Renumber(info)) return false; | 827 if (!Renumber(info)) return false; |
828 DCHECK(info->scope() != NULL); | 828 DCHECK(info->scope() != NULL); |
829 if (!CheckSuperConstructorCall(info)) return false; | 829 if (!CheckSuperConstructorCall(info)) return false; |
830 return true; | 830 return true; |
831 } | 831 } |
832 | 832 |
833 | 833 |
834 bool Compiler::ParseAndAnalyze(CompilationInfo* info) { | 834 bool Compiler::ParseAndAnalyze(CompilationInfo* info) { |
835 if (!Parser::Parse(info)) return false; | 835 if (!Parser::ParseStatic(info)) return false; |
836 return Compiler::Analyze(info); | 836 return Compiler::Analyze(info); |
837 } | 837 } |
838 | 838 |
839 | 839 |
840 static bool GetOptimizedCodeNow(CompilationInfo* info) { | 840 static bool GetOptimizedCodeNow(CompilationInfo* info) { |
841 if (!Compiler::ParseAndAnalyze(info)) return false; | 841 if (!Compiler::ParseAndAnalyze(info)) return false; |
842 | 842 |
843 TimerEventScope<TimerEventRecompileSynchronous> timer(info->isolate()); | 843 TimerEventScope<TimerEventRecompileSynchronous> timer(info->isolate()); |
844 | 844 |
845 OptimizedCompileJob job(info); | 845 OptimizedCompileJob job(info); |
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1066 } | 1066 } |
1067 | 1067 |
1068 | 1068 |
1069 void Compiler::CompileForLiveEdit(Handle<Script> script) { | 1069 void Compiler::CompileForLiveEdit(Handle<Script> script) { |
1070 // TODO(635): support extensions. | 1070 // TODO(635): support extensions. |
1071 CompilationInfoWithZone info(script); | 1071 CompilationInfoWithZone info(script); |
1072 PostponeInterruptsScope postpone(info.isolate()); | 1072 PostponeInterruptsScope postpone(info.isolate()); |
1073 VMState<COMPILER> state(info.isolate()); | 1073 VMState<COMPILER> state(info.isolate()); |
1074 | 1074 |
1075 info.MarkAsGlobal(); | 1075 info.MarkAsGlobal(); |
1076 if (!Parser::Parse(&info)) return; | 1076 if (!Parser::ParseStatic(&info)) return; |
1077 | 1077 |
1078 LiveEditFunctionTracker tracker(info.isolate(), info.function()); | 1078 LiveEditFunctionTracker tracker(info.isolate(), info.function()); |
1079 if (!CompileUnoptimizedCode(&info)) return; | 1079 if (!CompileUnoptimizedCode(&info)) return; |
1080 if (!info.shared_info().is_null()) { | 1080 if (!info.shared_info().is_null()) { |
1081 Handle<ScopeInfo> scope_info = | 1081 Handle<ScopeInfo> scope_info = |
1082 ScopeInfo::Create(info.isolate(), info.zone(), info.scope()); | 1082 ScopeInfo::Create(info.isolate(), info.zone(), info.scope()); |
1083 info.shared_info()->set_scope_info(*scope_info); | 1083 info.shared_info()->set_scope_info(*scope_info); |
1084 } | 1084 } |
1085 tracker.RecordRootFunctionInfo(info.code()); | 1085 tracker.RecordRootFunctionInfo(info.code()); |
1086 } | 1086 } |
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1116 | 1116 |
1117 if (!parse_allow_lazy && | 1117 if (!parse_allow_lazy && |
1118 (info->compile_options() == ScriptCompiler::kProduceParserCache || | 1118 (info->compile_options() == ScriptCompiler::kProduceParserCache || |
1119 info->compile_options() == ScriptCompiler::kConsumeParserCache)) { | 1119 info->compile_options() == ScriptCompiler::kConsumeParserCache)) { |
1120 // We are going to parse eagerly, but we either 1) have cached data | 1120 // We are going to parse eagerly, but we either 1) have cached data |
1121 // produced by lazy parsing or 2) are asked to generate cached data. | 1121 // produced by lazy parsing or 2) are asked to generate cached data. |
1122 // Eager parsing cannot benefit from cached data, and producing cached | 1122 // Eager parsing cannot benefit from cached data, and producing cached |
1123 // data while parsing eagerly is not implemented. | 1123 // data while parsing eagerly is not implemented. |
1124 info->SetCachedData(NULL, ScriptCompiler::kNoCompileOptions); | 1124 info->SetCachedData(NULL, ScriptCompiler::kNoCompileOptions); |
1125 } | 1125 } |
1126 if (!Parser::Parse(info, parse_allow_lazy)) { | 1126 if (!Parser::ParseStatic(info, parse_allow_lazy)) { |
1127 return Handle<SharedFunctionInfo>::null(); | 1127 return Handle<SharedFunctionInfo>::null(); |
1128 } | 1128 } |
1129 } | 1129 } |
1130 | 1130 |
1131 FunctionLiteral* lit = info->function(); | 1131 FunctionLiteral* lit = info->function(); |
1132 LiveEditFunctionTracker live_edit_tracker(isolate, lit); | 1132 LiveEditFunctionTracker live_edit_tracker(isolate, lit); |
1133 | 1133 |
1134 // Measure how long it takes to do the compilation; only take the | 1134 // Measure how long it takes to do the compilation; only take the |
1135 // rest of the function into account to avoid overlap with the | 1135 // rest of the function into account to avoid overlap with the |
1136 // parsing statistics. | 1136 // parsing statistics. |
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1585 } | 1585 } |
1586 | 1586 |
1587 | 1587 |
1588 #if DEBUG | 1588 #if DEBUG |
1589 void CompilationInfo::PrintAstForTesting() { | 1589 void CompilationInfo::PrintAstForTesting() { |
1590 PrintF("--- Source from AST ---\n%s\n", | 1590 PrintF("--- Source from AST ---\n%s\n", |
1591 PrettyPrinter(isolate(), zone()).PrintProgram(function())); | 1591 PrettyPrinter(isolate(), zone()).PrintProgram(function())); |
1592 } | 1592 } |
1593 #endif | 1593 #endif |
1594 } } // namespace v8::internal | 1594 } } // namespace v8::internal |
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