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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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| 21 HandleScope scope(isolate); | 21 HandleScope scope(isolate); |
| 22 DCHECK(args.length() == 1); | 22 DCHECK(args.length() == 1); |
| 23 CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0); | 23 CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0); |
| 24 #ifdef DEBUG | 24 #ifdef DEBUG |
| 25 if (FLAG_trace_lazy && !function->shared()->is_compiled()) { | 25 if (FLAG_trace_lazy && !function->shared()->is_compiled()) { |
| 26 PrintF("[unoptimized: "); | 26 PrintF("[unoptimized: "); |
| 27 function->PrintName(); | 27 function->PrintName(); |
| 28 PrintF("]\n"); | 28 PrintF("]\n"); |
| 29 } | 29 } |
| 30 #endif | 30 #endif |
| 31 StackLimitCheck check(isolate); |
| 32 if (check.JsHasOverflowed(1 * KB)) return isolate->StackOverflow(); |
| 31 | 33 |
| 32 // Compile the target function. | 34 // Compile the target function. |
| 33 DCHECK(function->shared()->allows_lazy_compilation()); | 35 DCHECK(function->shared()->allows_lazy_compilation()); |
| 34 | 36 |
| 35 Handle<Code> code; | 37 Handle<Code> code; |
| 36 ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, code, | 38 ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, code, |
| 37 Compiler::GetLazyCode(function)); | 39 Compiler::GetLazyCode(function)); |
| 38 DCHECK(code->IsJavaScriptCode()); | 40 DCHECK(code->IsJavaScriptCode()); |
| 39 | 41 |
| 40 function->ReplaceCode(*code); | 42 function->ReplaceCode(*code); |
| 41 return *code; | 43 return *code; |
| 42 } | 44 } |
| 43 | 45 |
| 44 | 46 |
| 45 RUNTIME_FUNCTION(Runtime_CompileOptimized) { | 47 RUNTIME_FUNCTION(Runtime_CompileOptimized) { |
| 46 HandleScope scope(isolate); | 48 HandleScope scope(isolate); |
| 47 DCHECK(args.length() == 2); | 49 DCHECK(args.length() == 2); |
| 48 CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0); | 50 CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0); |
| 49 CONVERT_BOOLEAN_ARG_CHECKED(concurrent, 1); | 51 CONVERT_BOOLEAN_ARG_CHECKED(concurrent, 1); |
| 50 | 52 |
| 53 StackLimitCheck check(isolate); |
| 54 if (check.JsHasOverflowed(1 * KB)) return isolate->StackOverflow(); |
| 55 |
| 51 Compiler::ConcurrencyMode mode = | 56 Compiler::ConcurrencyMode mode = |
| 52 concurrent ? Compiler::CONCURRENT : Compiler::NOT_CONCURRENT; | 57 concurrent ? Compiler::CONCURRENT : Compiler::NOT_CONCURRENT; |
| 53 Handle<Code> code; | 58 Handle<Code> code; |
| 54 Handle<Code> unoptimized(function->shared()->code()); | 59 Handle<Code> unoptimized(function->shared()->code()); |
| 55 if (Compiler::GetOptimizedCode(function, unoptimized, mode).ToHandle(&code)) { | 60 if (Compiler::GetOptimizedCode(function, unoptimized, mode).ToHandle(&code)) { |
| 56 // Optimization succeeded, return optimized code. | 61 // Optimization succeeded, return optimized code. |
| 57 function->ReplaceCode(*code); | 62 function->ReplaceCode(*code); |
| 58 } else { | 63 } else { |
| 59 // Optimization failed, get unoptimized code. | 64 // Optimization failed, get unoptimized code. |
| 60 if (isolate->has_pending_exception()) { // Possible stack overflow. | 65 if (isolate->has_pending_exception()) { // Possible stack overflow. |
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| 434 DCHECK(is_valid_language_mode(args.smi_at(3))); | 439 DCHECK(is_valid_language_mode(args.smi_at(3))); |
| 435 LanguageMode language_mode = static_cast<LanguageMode>(args.smi_at(3)); | 440 LanguageMode language_mode = static_cast<LanguageMode>(args.smi_at(3)); |
| 436 DCHECK(args[4]->IsSmi()); | 441 DCHECK(args[4]->IsSmi()); |
| 437 Handle<SharedFunctionInfo> outer_info(args.at<JSFunction>(2)->shared(), | 442 Handle<SharedFunctionInfo> outer_info(args.at<JSFunction>(2)->shared(), |
| 438 isolate); | 443 isolate); |
| 439 return CompileGlobalEval(isolate, args.at<String>(1), outer_info, | 444 return CompileGlobalEval(isolate, args.at<String>(1), outer_info, |
| 440 language_mode, args.smi_at(4)); | 445 language_mode, args.smi_at(4)); |
| 441 } | 446 } |
| 442 } // namespace internal | 447 } // namespace internal |
| 443 } // namespace v8 | 448 } // namespace v8 |
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