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Issue 10872084: Allocate block-scoped global bindings to global context. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 8 years, 3 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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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65 bool is_in_loop() const { return IsInLoop::decode(flags_); } 65 bool is_in_loop() const { return IsInLoop::decode(flags_); }
66 FunctionLiteral* function() const { return function_; } 66 FunctionLiteral* function() const { return function_; }
67 Scope* scope() const { return scope_; } 67 Scope* scope() const { return scope_; }
68 Scope* global_scope() const { return global_scope_; } 68 Scope* global_scope() const { return global_scope_; }
69 Handle<Code> code() const { return code_; } 69 Handle<Code> code() const { return code_; }
70 Handle<JSFunction> closure() const { return closure_; } 70 Handle<JSFunction> closure() const { return closure_; }
71 Handle<SharedFunctionInfo> shared_info() const { return shared_info_; } 71 Handle<SharedFunctionInfo> shared_info() const { return shared_info_; }
72 Handle<Script> script() const { return script_; } 72 Handle<Script> script() const { return script_; }
73 v8::Extension* extension() const { return extension_; } 73 v8::Extension* extension() const { return extension_; }
74 ScriptDataImpl* pre_parse_data() const { return pre_parse_data_; } 74 ScriptDataImpl* pre_parse_data() const { return pre_parse_data_; }
75 Handle<Context> calling_context() const { return calling_context_; } 75 Handle<Context> context() const { return context_; }
76 BailoutId osr_ast_id() const { return osr_ast_id_; } 76 BailoutId osr_ast_id() const { return osr_ast_id_; }
77 77
78 void MarkAsEval() { 78 void MarkAsEval() {
79 ASSERT(!is_lazy()); 79 ASSERT(!is_lazy());
80 flags_ |= IsEval::encode(true); 80 flags_ |= IsEval::encode(true);
81 } 81 }
82 void MarkAsGlobal() { 82 void MarkAsGlobal() {
83 ASSERT(!is_lazy()); 83 ASSERT(!is_lazy());
84 flags_ |= IsGlobal::encode(true); 84 flags_ |= IsGlobal::encode(true);
85 } 85 }
(...skipping 27 matching lines...) Expand all
113 } 113 }
114 void SetCode(Handle<Code> code) { code_ = code; } 114 void SetCode(Handle<Code> code) { code_ = code; }
115 void SetExtension(v8::Extension* extension) { 115 void SetExtension(v8::Extension* extension) {
116 ASSERT(!is_lazy()); 116 ASSERT(!is_lazy());
117 extension_ = extension; 117 extension_ = extension;
118 } 118 }
119 void SetPreParseData(ScriptDataImpl* pre_parse_data) { 119 void SetPreParseData(ScriptDataImpl* pre_parse_data) {
120 ASSERT(!is_lazy()); 120 ASSERT(!is_lazy());
121 pre_parse_data_ = pre_parse_data; 121 pre_parse_data_ = pre_parse_data;
122 } 122 }
123 void SetCallingContext(Handle<Context> context) { 123 void SetContext(Handle<Context> context) {
124 ASSERT(is_eval()); 124 context_ = context;
125 calling_context_ = context;
126 } 125 }
127 void MarkCompilingForDebugging(Handle<Code> current_code) { 126 void MarkCompilingForDebugging(Handle<Code> current_code) {
128 ASSERT(mode_ != OPTIMIZE); 127 ASSERT(mode_ != OPTIMIZE);
129 ASSERT(current_code->kind() == Code::FUNCTION); 128 ASSERT(current_code->kind() == Code::FUNCTION);
130 flags_ |= IsCompilingForDebugging::encode(true); 129 flags_ |= IsCompilingForDebugging::encode(true);
131 if (current_code->is_compiled_optimizable()) { 130 if (current_code->is_compiled_optimizable()) {
132 EnableDeoptimizationSupport(); 131 EnableDeoptimizationSupport();
133 } else { 132 } else {
134 mode_ = CompilationInfo::NONOPT; 133 mode_ = CompilationInfo::NONOPT;
135 } 134 }
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173 void AbortOptimization(); 172 void AbortOptimization();
174 173
175 void set_deferred_handles(DeferredHandles* deferred_handles) { 174 void set_deferred_handles(DeferredHandles* deferred_handles) {
176 ASSERT(deferred_handles_ == NULL); 175 ASSERT(deferred_handles_ == NULL);
177 deferred_handles_ = deferred_handles; 176 deferred_handles_ = deferred_handles;
178 } 177 }
179 178
180 void SaveHandles() { 179 void SaveHandles() {
181 SaveHandle(&closure_); 180 SaveHandle(&closure_);
182 SaveHandle(&shared_info_); 181 SaveHandle(&shared_info_);
183 SaveHandle(&calling_context_); 182 SaveHandle(&context_);
184 SaveHandle(&script_); 183 SaveHandle(&script_);
185 } 184 }
186 185
187 private: 186 private:
188 Isolate* isolate_; 187 Isolate* isolate_;
189 188
190 // Compilation mode. 189 // Compilation mode.
191 // BASE is generated by the full codegen, optionally prepared for bailouts. 190 // BASE is generated by the full codegen, optionally prepared for bailouts.
192 // OPTIMIZE is optimized code generated by the Hydrogen-based backend. 191 // OPTIMIZE is optimized code generated by the Hydrogen-based backend.
193 // NONOPT is generated by the full codegen and is not prepared for 192 // NONOPT is generated by the full codegen and is not prepared for
(...skipping 57 matching lines...) Expand 10 before | Expand all | Expand 10 after
251 250
252 // Possible initial inputs to the compilation process. 251 // Possible initial inputs to the compilation process.
253 Handle<JSFunction> closure_; 252 Handle<JSFunction> closure_;
254 Handle<SharedFunctionInfo> shared_info_; 253 Handle<SharedFunctionInfo> shared_info_;
255 Handle<Script> script_; 254 Handle<Script> script_;
256 255
257 // Fields possibly needed for eager compilation, NULL by default. 256 // Fields possibly needed for eager compilation, NULL by default.
258 v8::Extension* extension_; 257 v8::Extension* extension_;
259 ScriptDataImpl* pre_parse_data_; 258 ScriptDataImpl* pre_parse_data_;
260 259
261 // The context of the caller is needed for eval code, and will be a null 260 // The context of the caller for eval code, and the global context for a
262 // handle otherwise. 261 // global script. Will be a null handle otherwise.
263 Handle<Context> calling_context_; 262 Handle<Context> context_;
264 263
265 // Compilation mode flag and whether deoptimization is allowed. 264 // Compilation mode flag and whether deoptimization is allowed.
266 Mode mode_; 265 Mode mode_;
267 BailoutId osr_ast_id_; 266 BailoutId osr_ast_id_;
268 267
269 // The zone from which the compilation pipeline working on this 268 // The zone from which the compilation pipeline working on this
270 // CompilationInfo allocates. 269 // CompilationInfo allocates.
271 Zone* zone_; 270 Zone* zone_;
272 271
273 DeferredHandles* deferred_handles_; 272 DeferredHandles* deferred_handles_;
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463 462
464 static void RecordFunctionCompilation(Logger::LogEventsAndTags tag, 463 static void RecordFunctionCompilation(Logger::LogEventsAndTags tag,
465 CompilationInfo* info, 464 CompilationInfo* info,
466 Handle<SharedFunctionInfo> shared); 465 Handle<SharedFunctionInfo> shared);
467 }; 466 };
468 467
469 468
470 } } // namespace v8::internal 469 } } // namespace v8::internal
471 470
472 #endif // V8_COMPILER_H_ 471 #endif // V8_COMPILER_H_
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