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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/bootstrapper.h" | 10 #include "src/bootstrapper.h" |
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| 1089 live_edit_tracker.RecordFunctionInfo(result, lit, info->zone()); | 1089 live_edit_tracker.RecordFunctionInfo(result, lit, info->zone()); |
| 1090 } | 1090 } |
| 1091 | 1091 |
| 1092 isolate->debug()->OnAfterCompile(script); | 1092 isolate->debug()->OnAfterCompile(script); |
| 1093 | 1093 |
| 1094 return result; | 1094 return result; |
| 1095 } | 1095 } |
| 1096 | 1096 |
| 1097 | 1097 |
| 1098 MaybeHandle<JSFunction> Compiler::GetFunctionFromEval( | 1098 MaybeHandle<JSFunction> Compiler::GetFunctionFromEval( |
| 1099 Handle<String> source, | 1099 Handle<String> source, Handle<SharedFunctionInfo> outer_info, |
| 1100 Handle<Context> context, | 1100 Handle<Context> context, StrictMode strict_mode, |
| 1101 StrictMode strict_mode, | 1101 ParseRestriction restriction, int scope_position) { |
| 1102 ParseRestriction restriction, | |
| 1103 int scope_position) { | |
| 1104 Isolate* isolate = source->GetIsolate(); | 1102 Isolate* isolate = source->GetIsolate(); |
| 1105 int source_length = source->length(); | 1103 int source_length = source->length(); |
| 1106 isolate->counters()->total_eval_size()->Increment(source_length); | 1104 isolate->counters()->total_eval_size()->Increment(source_length); |
| 1107 isolate->counters()->total_compile_size()->Increment(source_length); | 1105 isolate->counters()->total_compile_size()->Increment(source_length); |
| 1108 | 1106 |
| 1109 CompilationCache* compilation_cache = isolate->compilation_cache(); | 1107 CompilationCache* compilation_cache = isolate->compilation_cache(); |
| 1110 MaybeHandle<SharedFunctionInfo> maybe_shared_info = | 1108 MaybeHandle<SharedFunctionInfo> maybe_shared_info = |
| 1111 compilation_cache->LookupEval(source, context, strict_mode, | 1109 compilation_cache->LookupEval(source, outer_info, context, strict_mode, |
| 1112 scope_position); | 1110 scope_position); |
| 1113 Handle<SharedFunctionInfo> shared_info; | 1111 Handle<SharedFunctionInfo> shared_info; |
| 1114 | 1112 |
| 1115 if (!maybe_shared_info.ToHandle(&shared_info)) { | 1113 if (!maybe_shared_info.ToHandle(&shared_info)) { |
| 1116 Handle<Script> script = isolate->factory()->NewScript(source); | 1114 Handle<Script> script = isolate->factory()->NewScript(source); |
| 1117 CompilationInfoWithZone info(script); | 1115 CompilationInfoWithZone info(script); |
| 1118 info.MarkAsEval(); | 1116 info.MarkAsEval(); |
| 1119 if (context->IsNativeContext()) info.MarkAsGlobal(); | 1117 if (context->IsNativeContext()) info.MarkAsGlobal(); |
| 1120 info.SetStrictMode(strict_mode); | 1118 info.SetStrictMode(strict_mode); |
| 1121 info.SetParseRestriction(restriction); | 1119 info.SetParseRestriction(restriction); |
| 1122 info.SetContext(context); | 1120 info.SetContext(context); |
| 1123 | 1121 |
| 1124 Debug::RecordEvalCaller(script); | 1122 Debug::RecordEvalCaller(script); |
| 1125 | 1123 |
| 1126 shared_info = CompileToplevel(&info); | 1124 shared_info = CompileToplevel(&info); |
| 1127 | 1125 |
| 1128 if (shared_info.is_null()) { | 1126 if (shared_info.is_null()) { |
| 1129 return MaybeHandle<JSFunction>(); | 1127 return MaybeHandle<JSFunction>(); |
| 1130 } else { | 1128 } else { |
| 1131 // Explicitly disable optimization for eval code. We're not yet prepared | 1129 // Explicitly disable optimization for eval code. We're not yet prepared |
| 1132 // to handle eval-code in the optimizing compiler. | 1130 // to handle eval-code in the optimizing compiler. |
| 1133 shared_info->DisableOptimization(kEval); | 1131 shared_info->DisableOptimization(kEval); |
| 1134 | 1132 |
| 1135 // If caller is strict mode, the result must be in strict mode as well. | 1133 // If caller is strict mode, the result must be in strict mode as well. |
| 1136 DCHECK(strict_mode == SLOPPY || shared_info->strict_mode() == STRICT); | 1134 DCHECK(strict_mode == SLOPPY || shared_info->strict_mode() == STRICT); |
| 1137 if (!shared_info->dont_cache()) { | 1135 if (!shared_info->dont_cache()) { |
| 1138 compilation_cache->PutEval( | 1136 compilation_cache->PutEval(source, outer_info, context, shared_info, |
| 1139 source, context, shared_info, scope_position); | 1137 scope_position); |
| 1140 } | 1138 } |
| 1141 } | 1139 } |
| 1142 } else if (shared_info->ic_age() != isolate->heap()->global_ic_age()) { | 1140 } else if (shared_info->ic_age() != isolate->heap()->global_ic_age()) { |
| 1143 shared_info->ResetForNewContext(isolate->heap()->global_ic_age()); | 1141 shared_info->ResetForNewContext(isolate->heap()->global_ic_age()); |
| 1144 } | 1142 } |
| 1145 | 1143 |
| 1146 return isolate->factory()->NewFunctionFromSharedFunctionInfo( | 1144 return isolate->factory()->NewFunctionFromSharedFunctionInfo( |
| 1147 shared_info, context, NOT_TENURED); | 1145 shared_info, context, NOT_TENURED); |
| 1148 } | 1146 } |
| 1149 | 1147 |
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| 1457 AllowHandleDereference allow_deref; | 1455 AllowHandleDereference allow_deref; |
| 1458 bool tracing_on = info()->IsStub() | 1456 bool tracing_on = info()->IsStub() |
| 1459 ? FLAG_trace_hydrogen_stubs | 1457 ? FLAG_trace_hydrogen_stubs |
| 1460 : (FLAG_trace_hydrogen && | 1458 : (FLAG_trace_hydrogen && |
| 1461 info()->closure()->PassesFilter(FLAG_trace_hydrogen_filter)); | 1459 info()->closure()->PassesFilter(FLAG_trace_hydrogen_filter)); |
| 1462 return (tracing_on && | 1460 return (tracing_on && |
| 1463 base::OS::StrChr(const_cast<char*>(FLAG_trace_phase), name_[0]) != NULL); | 1461 base::OS::StrChr(const_cast<char*>(FLAG_trace_phase), name_[0]) != NULL); |
| 1464 } | 1462 } |
| 1465 | 1463 |
| 1466 } } // namespace v8::internal | 1464 } } // namespace v8::internal |
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