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| 1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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/runtime/runtime-utils.h" | 5 #include "src/runtime/runtime-utils.h" |
| 6 | 6 |
| 7 #include "src/arguments.h" | 7 #include "src/arguments.h" |
| 8 #include "src/compiler.h" | 8 #include "src/compiler.h" |
| 9 #include "src/deoptimizer.h" | 9 #include "src/deoptimizer.h" |
| 10 #include "src/frames-inl.h" | 10 #include "src/frames-inl.h" |
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| 298 if (callback == NULL) { | 298 if (callback == NULL) { |
| 299 // No callback set and code generation disallowed. | 299 // No callback set and code generation disallowed. |
| 300 return false; | 300 return false; |
| 301 } else { | 301 } else { |
| 302 // Callback set. Let it decide if code generation is allowed. | 302 // Callback set. Let it decide if code generation is allowed. |
| 303 VMState<EXTERNAL> state(isolate); | 303 VMState<EXTERNAL> state(isolate); |
| 304 return callback(v8::Utils::ToLocal(context)); | 304 return callback(v8::Utils::ToLocal(context)); |
| 305 } | 305 } |
| 306 } | 306 } |
| 307 | 307 |
| 308 |
| 308 static Object* CompileGlobalEval(Isolate* isolate, Handle<String> source, | 309 static Object* CompileGlobalEval(Isolate* isolate, Handle<String> source, |
| 309 Handle<SharedFunctionInfo> outer_info, | 310 Handle<SharedFunctionInfo> outer_info, |
| 310 LanguageMode language_mode, | 311 LanguageMode language_mode, |
| 311 int eval_position) { | 312 int scope_position) { |
| 312 Handle<Context> context = Handle<Context>(isolate->context()); | 313 Handle<Context> context = Handle<Context>(isolate->context()); |
| 313 Handle<Context> native_context = Handle<Context>(context->native_context()); | 314 Handle<Context> native_context = Handle<Context>(context->native_context()); |
| 314 | 315 |
| 315 // Check if native context allows code generation from | 316 // Check if native context allows code generation from |
| 316 // strings. Throw an exception if it doesn't. | 317 // strings. Throw an exception if it doesn't. |
| 317 if (native_context->allow_code_gen_from_strings()->IsFalse() && | 318 if (native_context->allow_code_gen_from_strings()->IsFalse() && |
| 318 !CodeGenerationFromStringsAllowed(isolate, native_context)) { | 319 !CodeGenerationFromStringsAllowed(isolate, native_context)) { |
| 319 Handle<Object> error_message = | 320 Handle<Object> error_message = |
| 320 native_context->ErrorMessageForCodeGenerationFromStrings(); | 321 native_context->ErrorMessageForCodeGenerationFromStrings(); |
| 321 Handle<Object> error; | 322 Handle<Object> error; |
| 322 MaybeHandle<Object> maybe_error = isolate->factory()->NewEvalError( | 323 MaybeHandle<Object> maybe_error = isolate->factory()->NewEvalError( |
| 323 MessageTemplate::kCodeGenFromStrings, error_message); | 324 MessageTemplate::kCodeGenFromStrings, error_message); |
| 324 if (maybe_error.ToHandle(&error)) isolate->Throw(*error); | 325 if (maybe_error.ToHandle(&error)) isolate->Throw(*error); |
| 325 return isolate->heap()->exception(); | 326 return isolate->heap()->exception(); |
| 326 } | 327 } |
| 327 | 328 |
| 328 // Deal with a normal eval call with a string argument. Compile it | 329 // Deal with a normal eval call with a string argument. Compile it |
| 329 // and return the compiled function bound in the local context. | 330 // and return the compiled function bound in the local context. |
| 330 static const ParseRestriction restriction = NO_PARSE_RESTRICTION; | 331 static const ParseRestriction restriction = NO_PARSE_RESTRICTION; |
| 331 Handle<JSFunction> compiled; | 332 Handle<JSFunction> compiled; |
| 332 ASSIGN_RETURN_ON_EXCEPTION_VALUE( | 333 ASSIGN_RETURN_ON_EXCEPTION_VALUE( |
| 333 isolate, compiled, | 334 isolate, compiled, |
| 334 Compiler::GetFunctionFromEval(source, outer_info, context, language_mode, | 335 Compiler::GetFunctionFromEval(source, outer_info, context, language_mode, |
| 335 restriction, eval_position), | 336 restriction, scope_position), |
| 336 isolate->heap()->exception()); | 337 isolate->heap()->exception()); |
| 337 return *compiled; | 338 return *compiled; |
| 338 } | 339 } |
| 339 | 340 |
| 340 | 341 |
| 341 RUNTIME_FUNCTION(Runtime_ResolvePossiblyDirectEval) { | 342 RUNTIME_FUNCTION(Runtime_ResolvePossiblyDirectEval) { |
| 342 HandleScope scope(isolate); | 343 HandleScope scope(isolate); |
| 343 DCHECK(args.length() == 5); | 344 DCHECK(args.length() == 5); |
| 344 | 345 |
| 345 Handle<Object> callee = args.at<Object>(0); | 346 Handle<Object> callee = args.at<Object>(0); |
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| 358 DCHECK(is_valid_language_mode(args.smi_at(3))); | 359 DCHECK(is_valid_language_mode(args.smi_at(3))); |
| 359 LanguageMode language_mode = static_cast<LanguageMode>(args.smi_at(3)); | 360 LanguageMode language_mode = static_cast<LanguageMode>(args.smi_at(3)); |
| 360 DCHECK(args[4]->IsSmi()); | 361 DCHECK(args[4]->IsSmi()); |
| 361 Handle<SharedFunctionInfo> outer_info(args.at<JSFunction>(2)->shared(), | 362 Handle<SharedFunctionInfo> outer_info(args.at<JSFunction>(2)->shared(), |
| 362 isolate); | 363 isolate); |
| 363 return CompileGlobalEval(isolate, args.at<String>(1), outer_info, | 364 return CompileGlobalEval(isolate, args.at<String>(1), outer_info, |
| 364 language_mode, args.smi_at(4)); | 365 language_mode, args.smi_at(4)); |
| 365 } | 366 } |
| 366 } // namespace internal | 367 } // namespace internal |
| 367 } // namespace v8 | 368 } // namespace v8 |
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