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Issue 6685088: Merge isolates to bleeding_edge. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 9 years, 9 months ago
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1 // Copyright 2010 the V8 project authors. All rights reserved. 1 // Copyright 2010 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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39 class ScriptDataImpl; 39 class ScriptDataImpl;
40 40
41 // CompilationInfo encapsulates some information known at compile time. It 41 // CompilationInfo encapsulates some information known at compile time. It
42 // is constructed based on the resources available at compile-time. 42 // is constructed based on the resources available at compile-time.
43 class CompilationInfo BASE_EMBEDDED { 43 class CompilationInfo BASE_EMBEDDED {
44 public: 44 public:
45 explicit CompilationInfo(Handle<Script> script); 45 explicit CompilationInfo(Handle<Script> script);
46 explicit CompilationInfo(Handle<SharedFunctionInfo> shared_info); 46 explicit CompilationInfo(Handle<SharedFunctionInfo> shared_info);
47 explicit CompilationInfo(Handle<JSFunction> closure); 47 explicit CompilationInfo(Handle<JSFunction> closure);
48 48
49 Isolate* isolate() {
50 ASSERT(Isolate::Current() == isolate_);
51 return isolate_;
52 }
49 bool is_lazy() const { return (flags_ & IsLazy::mask()) != 0; } 53 bool is_lazy() const { return (flags_ & IsLazy::mask()) != 0; }
50 bool is_eval() const { return (flags_ & IsEval::mask()) != 0; } 54 bool is_eval() const { return (flags_ & IsEval::mask()) != 0; }
51 bool is_global() const { return (flags_ & IsGlobal::mask()) != 0; } 55 bool is_global() const { return (flags_ & IsGlobal::mask()) != 0; }
52 bool is_strict() const { return (flags_ & IsStrict::mask()) != 0; } 56 bool is_strict() const { return (flags_ & IsStrict::mask()) != 0; }
53 bool is_in_loop() const { return (flags_ & IsInLoop::mask()) != 0; } 57 bool is_in_loop() const { return (flags_ & IsInLoop::mask()) != 0; }
54 FunctionLiteral* function() const { return function_; } 58 FunctionLiteral* function() const { return function_; }
55 Scope* scope() const { return scope_; } 59 Scope* scope() const { return scope_; }
56 Handle<Code> code() const { return code_; } 60 Handle<Code> code() const { return code_; }
57 Handle<JSFunction> closure() const { return closure_; } 61 Handle<JSFunction> closure() const { return closure_; }
58 Handle<SharedFunctionInfo> shared_info() const { return shared_info_; } 62 Handle<SharedFunctionInfo> shared_info() const { return shared_info_; }
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135 ASSERT(IsOptimizable()); 139 ASSERT(IsOptimizable());
136 supports_deoptimization_ = true; 140 supports_deoptimization_ = true;
137 } 141 }
138 142
139 // Determine whether or not we can adaptively optimize. 143 // Determine whether or not we can adaptively optimize.
140 bool AllowOptimize() { 144 bool AllowOptimize() {
141 return V8::UseCrankshaft() && !closure_.is_null(); 145 return V8::UseCrankshaft() && !closure_.is_null();
142 } 146 }
143 147
144 private: 148 private:
149 Isolate* isolate_;
150
145 // Compilation mode. 151 // Compilation mode.
146 // BASE is generated by the full codegen, optionally prepared for bailouts. 152 // BASE is generated by the full codegen, optionally prepared for bailouts.
147 // OPTIMIZE is optimized code generated by the Hydrogen-based backend. 153 // OPTIMIZE is optimized code generated by the Hydrogen-based backend.
148 // NONOPT is generated by the full codegen or the classic backend 154 // NONOPT is generated by the full codegen or the classic backend
149 // and is not prepared for recompilation/bailouts. These functions 155 // and is not prepared for recompilation/bailouts. These functions
150 // are never recompiled. 156 // are never recompiled.
151 enum Mode { 157 enum Mode {
152 BASE, 158 BASE,
153 OPTIMIZE, 159 OPTIMIZE,
154 NONOPT 160 NONOPT
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279 285
280 286
281 // During compilation we need a global list of handles to constants 287 // During compilation we need a global list of handles to constants
282 // for frame elements. When the zone gets deleted, we make sure to 288 // for frame elements. When the zone gets deleted, we make sure to
283 // clear this list of handles as well. 289 // clear this list of handles as well.
284 class CompilationZoneScope : public ZoneScope { 290 class CompilationZoneScope : public ZoneScope {
285 public: 291 public:
286 explicit CompilationZoneScope(ZoneScopeMode mode) : ZoneScope(mode) { } 292 explicit CompilationZoneScope(ZoneScopeMode mode) : ZoneScope(mode) { }
287 virtual ~CompilationZoneScope() { 293 virtual ~CompilationZoneScope() {
288 if (ShouldDeleteOnExit()) { 294 if (ShouldDeleteOnExit()) {
289 FrameElement::ClearConstantList(); 295 Isolate* isolate = Isolate::Current();
290 Result::ClearConstantList(); 296 isolate->frame_element_constant_list()->Clear();
297 isolate->result_constant_list()->Clear();
291 } 298 }
292 } 299 }
293 }; 300 };
294 301
295 302
296 } } // namespace v8::internal 303 } } // namespace v8::internal
297 304
298 #endif // V8_COMPILER_H_ 305 #endif // V8_COMPILER_H_
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