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1 // Copyright 2016 the V8 project authors. All rights reserved. | 1 // Copyright 2016 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/compiler-dispatcher/compiler-dispatcher-job.h" | 5 #include "src/compiler-dispatcher/compiler-dispatcher-job.h" |
6 | 6 |
7 #include "src/assert-scope.h" | 7 #include "src/assert-scope.h" |
8 #include "src/compilation-info.h" | 8 #include "src/compilation-info.h" |
9 #include "src/compiler.h" | 9 #include "src/compiler.h" |
10 #include "src/global-handles.h" | 10 #include "src/global-handles.h" |
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104 // If we can't parse on a background thread, we need to be able to deref the | 104 // If we can't parse on a background thread, we need to be able to deref the |
105 // source string. | 105 // source string. |
106 if (can_parse_on_background_thread_) { | 106 if (can_parse_on_background_thread_) { |
107 no_deref.reset(new DisallowHandleDereference()); | 107 no_deref.reset(new DisallowHandleDereference()); |
108 } | 108 } |
109 | 109 |
110 // Nullify the Isolate temporarily so that the parser doesn't accidentally | 110 // Nullify the Isolate temporarily so that the parser doesn't accidentally |
111 // use it. | 111 // use it. |
112 parse_info_->set_isolate(nullptr); | 112 parse_info_->set_isolate(nullptr); |
113 | 113 |
114 uintptr_t stack_limit = | 114 uintptr_t stack_limit = GetCurrentStackPosition() - max_stack_size_ * KB; |
115 reinterpret_cast<uintptr_t>(&stack_limit) - max_stack_size_ * KB; | |
116 | 115 |
117 parser_->set_stack_limit(stack_limit); | 116 parser_->set_stack_limit(stack_limit); |
118 parser_->ParseOnBackground(parse_info_.get()); | 117 parser_->ParseOnBackground(parse_info_.get()); |
119 | 118 |
120 parse_info_->set_isolate(isolate_); | 119 parse_info_->set_isolate(isolate_); |
121 | 120 |
122 status_ = CompileJobStatus::kParsed; | 121 status_ = CompileJobStatus::kParsed; |
123 } | 122 } |
124 | 123 |
125 bool CompilerDispatcherJob::FinalizeParsingOnMainThread() { | 124 bool CompilerDispatcherJob::FinalizeParsingOnMainThread() { |
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200 } | 199 } |
201 | 200 |
202 void CompilerDispatcherJob::Compile() { | 201 void CompilerDispatcherJob::Compile() { |
203 DCHECK(status() == CompileJobStatus::kReadyToCompile); | 202 DCHECK(status() == CompileJobStatus::kReadyToCompile); |
204 DCHECK(can_compile_on_background_thread_ || | 203 DCHECK(can_compile_on_background_thread_ || |
205 ThreadId::Current().Equals(isolate_->thread_id())); | 204 ThreadId::Current().Equals(isolate_->thread_id())); |
206 | 205 |
207 // Disallowing of handle dereference and heap access dealt with in | 206 // Disallowing of handle dereference and heap access dealt with in |
208 // CompilationJob::ExecuteJob. | 207 // CompilationJob::ExecuteJob. |
209 | 208 |
210 uintptr_t stack_limit = | 209 uintptr_t stack_limit = GetCurrentStackPosition() - max_stack_size_ * KB; |
211 reinterpret_cast<uintptr_t>(&stack_limit) - max_stack_size_ * KB; | |
212 compile_job_->set_stack_limit(stack_limit); | 210 compile_job_->set_stack_limit(stack_limit); |
213 | 211 |
214 CompilationJob::Status status = compile_job_->ExecuteJob(); | 212 CompilationJob::Status status = compile_job_->ExecuteJob(); |
215 USE(status); | 213 USE(status); |
216 | 214 |
217 // Always transition to kCompiled - errors will be reported by | 215 // Always transition to kCompiled - errors will be reported by |
218 // FinalizeCompilingOnMainThread. | 216 // FinalizeCompilingOnMainThread. |
219 status_ = CompileJobStatus::kCompiled; | 217 status_ = CompileJobStatus::kCompiled; |
220 } | 218 } |
221 | 219 |
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255 if (!source_.is_null()) { | 253 if (!source_.is_null()) { |
256 i::GlobalHandles::Destroy(Handle<Object>::cast(source_).location()); | 254 i::GlobalHandles::Destroy(Handle<Object>::cast(source_).location()); |
257 source_ = Handle<String>::null(); | 255 source_ = Handle<String>::null(); |
258 } | 256 } |
259 | 257 |
260 status_ = CompileJobStatus::kInitial; | 258 status_ = CompileJobStatus::kInitial; |
261 } | 259 } |
262 | 260 |
263 } // namespace internal | 261 } // namespace internal |
264 } // namespace v8 | 262 } // namespace v8 |
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