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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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860 VMState<COMPILER> state(isolate); | 860 VMState<COMPILER> state(isolate); |
861 PostponeInterruptsScope postpone(isolate); | 861 PostponeInterruptsScope postpone(isolate); |
862 | 862 |
863 info.SetOptimizing(BailoutId::None(), handle(function->shared()->code())); | 863 info.SetOptimizing(BailoutId::None(), handle(function->shared()->code())); |
864 info.MarkAsContextSpecializing(); | 864 info.MarkAsContextSpecializing(); |
865 | 865 |
866 if (GetOptimizedCodeNow(&info)) { | 866 if (GetOptimizedCodeNow(&info)) { |
867 DCHECK(function->shared()->is_compiled()); | 867 DCHECK(function->shared()->is_compiled()); |
868 return info.code(); | 868 return info.code(); |
869 } | 869 } |
| 870 // We have failed compilation. If there was an exception clear it so that |
| 871 // we can compile unoptimized code. |
| 872 if (isolate->has_pending_exception()) isolate->clear_pending_exception(); |
870 } | 873 } |
871 | 874 |
872 if (function->shared()->is_compiled()) { | 875 if (function->shared()->is_compiled()) { |
873 return Handle<Code>(function->shared()->code()); | 876 return Handle<Code>(function->shared()->code()); |
874 } | 877 } |
875 | 878 |
876 CompilationInfoWithZone info(function); | 879 CompilationInfoWithZone info(function); |
877 Handle<Code> result; | 880 Handle<Code> result; |
878 ASSIGN_RETURN_ON_EXCEPTION(isolate, result, GetUnoptimizedCodeCommon(&info), | 881 ASSIGN_RETURN_ON_EXCEPTION(isolate, result, GetUnoptimizedCodeCommon(&info), |
879 Code); | 882 Code); |
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1521 } | 1524 } |
1522 | 1525 |
1523 | 1526 |
1524 #if DEBUG | 1527 #if DEBUG |
1525 void CompilationInfo::PrintAstForTesting() { | 1528 void CompilationInfo::PrintAstForTesting() { |
1526 PrintF("--- Source from AST ---\n%s\n", | 1529 PrintF("--- Source from AST ---\n%s\n", |
1527 PrettyPrinter(isolate(), zone()).PrintProgram(function())); | 1530 PrettyPrinter(isolate(), zone()).PrintProgram(function())); |
1528 } | 1531 } |
1529 #endif | 1532 #endif |
1530 } } // namespace v8::internal | 1533 } } // namespace v8::internal |
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