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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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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4966 | 4966 |
4967 | 4967 |
4968 static Object* Runtime_CompileString(Arguments args) { | 4968 static Object* Runtime_CompileString(Arguments args) { |
4969 HandleScope scope; | 4969 HandleScope scope; |
4970 ASSERT_EQ(2, args.length()); | 4970 ASSERT_EQ(2, args.length()); |
4971 CONVERT_ARG_CHECKED(String, source, 0); | 4971 CONVERT_ARG_CHECKED(String, source, 0); |
4972 CONVERT_ARG_CHECKED(Oddball, is_json, 1) | 4972 CONVERT_ARG_CHECKED(Oddball, is_json, 1) |
4973 | 4973 |
4974 // Compile source string in the global context. | 4974 // Compile source string in the global context. |
4975 Handle<Context> context(Top::context()->global_context()); | 4975 Handle<Context> context(Top::context()->global_context()); |
| 4976 Compiler::ValidationState validate = (is_json->IsTrue()) |
| 4977 ? Compiler::VALIDATE_JSON : Compiler::DONT_VALIDATE_JSON; |
4976 Handle<JSFunction> boilerplate = Compiler::CompileEval(source, | 4978 Handle<JSFunction> boilerplate = Compiler::CompileEval(source, |
4977 context, | 4979 context, |
4978 true, | 4980 true, |
4979 is_json->IsTrue()); | 4981 validate); |
4980 if (boilerplate.is_null()) return Failure::Exception(); | 4982 if (boilerplate.is_null()) return Failure::Exception(); |
4981 Handle<JSFunction> fun = | 4983 Handle<JSFunction> fun = |
4982 Factory::NewFunctionFromBoilerplate(boilerplate, context); | 4984 Factory::NewFunctionFromBoilerplate(boilerplate, context); |
4983 return *fun; | 4985 return *fun; |
4984 } | 4986 } |
4985 | 4987 |
4986 | 4988 |
4987 static Handle<JSFunction> GetBuiltinFunction(String* name) { | 4989 static Handle<JSFunction> GetBuiltinFunction(String* name) { |
4988 LookupResult result; | 4990 LookupResult result; |
4989 Top::global_context()->builtins()->LocalLookup(name, &result); | 4991 Top::global_context()->builtins()->LocalLookup(name, &result); |
4990 return Handle<JSFunction>(JSFunction::cast(result.GetValue())); | 4992 return Handle<JSFunction>(JSFunction::cast(result.GetValue())); |
4991 } | 4993 } |
4992 | 4994 |
4993 | 4995 |
4994 static Object* CompileDirectEval(Handle<String> source) { | 4996 static Object* CompileDirectEval(Handle<String> source) { |
4995 // Compute the eval context. | 4997 // Compute the eval context. |
4996 HandleScope scope; | 4998 HandleScope scope; |
4997 StackFrameLocator locator; | 4999 StackFrameLocator locator; |
4998 JavaScriptFrame* frame = locator.FindJavaScriptFrame(0); | 5000 JavaScriptFrame* frame = locator.FindJavaScriptFrame(0); |
4999 Handle<Context> context(Context::cast(frame->context())); | 5001 Handle<Context> context(Context::cast(frame->context())); |
5000 bool is_global = context->IsGlobalContext(); | 5002 bool is_global = context->IsGlobalContext(); |
5001 | 5003 |
5002 // Compile source string in the current context. | 5004 // Compile source string in the current context. |
5003 Handle<JSFunction> boilerplate = | 5005 Handle<JSFunction> boilerplate = Compiler::CompileEval( |
5004 Compiler::CompileEval(source, context, is_global, false); | 5006 source, |
| 5007 context, |
| 5008 is_global, |
| 5009 Compiler::DONT_VALIDATE_JSON); |
5005 if (boilerplate.is_null()) return Failure::Exception(); | 5010 if (boilerplate.is_null()) return Failure::Exception(); |
5006 Handle<JSFunction> fun = | 5011 Handle<JSFunction> fun = |
5007 Factory::NewFunctionFromBoilerplate(boilerplate, context); | 5012 Factory::NewFunctionFromBoilerplate(boilerplate, context); |
5008 return *fun; | 5013 return *fun; |
5009 } | 5014 } |
5010 | 5015 |
5011 | 5016 |
5012 static Object* Runtime_ResolvePossiblyDirectEval(Arguments args) { | 5017 static Object* Runtime_ResolvePossiblyDirectEval(Arguments args) { |
5013 ASSERT(args.length() == 2); | 5018 ASSERT(args.length() == 2); |
5014 | 5019 |
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7036 static const char* source_str = | 7041 static const char* source_str = |
7037 "function(arguments,__source__){return eval(__source__);}"; | 7042 "function(arguments,__source__){return eval(__source__);}"; |
7038 static const int source_str_length = strlen(source_str); | 7043 static const int source_str_length = strlen(source_str); |
7039 Handle<String> function_source = | 7044 Handle<String> function_source = |
7040 Factory::NewStringFromAscii(Vector<const char>(source_str, | 7045 Factory::NewStringFromAscii(Vector<const char>(source_str, |
7041 source_str_length)); | 7046 source_str_length)); |
7042 Handle<JSFunction> boilerplate = | 7047 Handle<JSFunction> boilerplate = |
7043 Compiler::CompileEval(function_source, | 7048 Compiler::CompileEval(function_source, |
7044 context, | 7049 context, |
7045 context->IsGlobalContext(), | 7050 context->IsGlobalContext(), |
7046 false); | 7051 Compiler::DONT_VALIDATE_JSON); |
7047 if (boilerplate.is_null()) return Failure::Exception(); | 7052 if (boilerplate.is_null()) return Failure::Exception(); |
7048 Handle<JSFunction> compiled_function = | 7053 Handle<JSFunction> compiled_function = |
7049 Factory::NewFunctionFromBoilerplate(boilerplate, context); | 7054 Factory::NewFunctionFromBoilerplate(boilerplate, context); |
7050 | 7055 |
7051 // Invoke the result of the compilation to get the evaluation function. | 7056 // Invoke the result of the compilation to get the evaluation function. |
7052 bool has_pending_exception; | 7057 bool has_pending_exception; |
7053 Handle<Object> receiver(frame->receiver()); | 7058 Handle<Object> receiver(frame->receiver()); |
7054 Handle<Object> evaluation_function = | 7059 Handle<Object> evaluation_function = |
7055 Execution::Call(compiled_function, receiver, 0, NULL, | 7060 Execution::Call(compiled_function, receiver, 0, NULL, |
7056 &has_pending_exception); | 7061 &has_pending_exception); |
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7104 | 7109 |
7105 // Get the global context now set to the top context from before the | 7110 // Get the global context now set to the top context from before the |
7106 // debugger was invoked. | 7111 // debugger was invoked. |
7107 Handle<Context> context = Top::global_context(); | 7112 Handle<Context> context = Top::global_context(); |
7108 | 7113 |
7109 // Compile the source to be evaluated. | 7114 // Compile the source to be evaluated. |
7110 Handle<JSFunction> boilerplate = | 7115 Handle<JSFunction> boilerplate = |
7111 Handle<JSFunction>(Compiler::CompileEval(source, | 7116 Handle<JSFunction>(Compiler::CompileEval(source, |
7112 context, | 7117 context, |
7113 true, | 7118 true, |
7114 false)); | 7119 Compiler::DONT_VALIDATE_JSON)); |
7115 if (boilerplate.is_null()) return Failure::Exception(); | 7120 if (boilerplate.is_null()) return Failure::Exception(); |
7116 Handle<JSFunction> compiled_function = | 7121 Handle<JSFunction> compiled_function = |
7117 Handle<JSFunction>(Factory::NewFunctionFromBoilerplate(boilerplate, | 7122 Handle<JSFunction>(Factory::NewFunctionFromBoilerplate(boilerplate, |
7118 context)); | 7123 context)); |
7119 | 7124 |
7120 // Invoke the result of the compilation to get the evaluation function. | 7125 // Invoke the result of the compilation to get the evaluation function. |
7121 bool has_pending_exception; | 7126 bool has_pending_exception; |
7122 Handle<Object> receiver = Top::global(); | 7127 Handle<Object> receiver = Top::global(); |
7123 Handle<Object> result = | 7128 Handle<Object> result = |
7124 Execution::Call(compiled_function, receiver, 0, NULL, | 7129 Execution::Call(compiled_function, receiver, 0, NULL, |
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7601 } else { | 7606 } else { |
7602 // Handle last resort GC and make sure to allow future allocations | 7607 // Handle last resort GC and make sure to allow future allocations |
7603 // to grow the heap without causing GCs (if possible). | 7608 // to grow the heap without causing GCs (if possible). |
7604 Counters::gc_last_resort_from_js.Increment(); | 7609 Counters::gc_last_resort_from_js.Increment(); |
7605 Heap::CollectAllGarbage(); | 7610 Heap::CollectAllGarbage(); |
7606 } | 7611 } |
7607 } | 7612 } |
7608 | 7613 |
7609 | 7614 |
7610 } } // namespace v8::internal | 7615 } } // namespace v8::internal |
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