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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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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() { | 49 Isolate* isolate() { |
50 ASSERT(Isolate::Current() == isolate_); | 50 ASSERT(Isolate::Current() == isolate_); |
51 return isolate_; | 51 return isolate_; |
52 } | 52 } |
53 bool is_lazy() const { return (flags_ & IsLazy::mask()) != 0; } | 53 bool is_lazy() const { return (flags_ & IsLazy::mask()) != 0; } |
54 bool is_eval() const { return (flags_ & IsEval::mask()) != 0; } | 54 bool is_eval() const { return (flags_ & IsEval::mask()) != 0; } |
55 bool is_global() const { return (flags_ & IsGlobal::mask()) != 0; } | 55 bool is_global() const { return (flags_ & IsGlobal::mask()) != 0; } |
56 bool is_strict() const { return (flags_ & IsStrict::mask()) != 0; } | 56 bool is_strict_mode() const { return (flags_ & IsStrictMode::mask()) != 0; } |
57 bool is_in_loop() const { return (flags_ & IsInLoop::mask()) != 0; } | 57 bool is_in_loop() const { return (flags_ & IsInLoop::mask()) != 0; } |
58 FunctionLiteral* function() const { return function_; } | 58 FunctionLiteral* function() const { return function_; } |
59 Scope* scope() const { return scope_; } | 59 Scope* scope() const { return scope_; } |
60 Handle<Code> code() const { return code_; } | 60 Handle<Code> code() const { return code_; } |
61 Handle<JSFunction> closure() const { return closure_; } | 61 Handle<JSFunction> closure() const { return closure_; } |
62 Handle<SharedFunctionInfo> shared_info() const { return shared_info_; } | 62 Handle<SharedFunctionInfo> shared_info() const { return shared_info_; } |
63 Handle<Script> script() const { return script_; } | 63 Handle<Script> script() const { return script_; } |
64 v8::Extension* extension() const { return extension_; } | 64 v8::Extension* extension() const { return extension_; } |
65 ScriptDataImpl* pre_parse_data() const { return pre_parse_data_; } | 65 ScriptDataImpl* pre_parse_data() const { return pre_parse_data_; } |
66 Handle<Context> calling_context() const { return calling_context_; } | 66 Handle<Context> calling_context() const { return calling_context_; } |
67 int osr_ast_id() const { return osr_ast_id_; } | 67 int osr_ast_id() const { return osr_ast_id_; } |
68 | 68 |
69 void MarkAsEval() { | 69 void MarkAsEval() { |
70 ASSERT(!is_lazy()); | 70 ASSERT(!is_lazy()); |
71 flags_ |= IsEval::encode(true); | 71 flags_ |= IsEval::encode(true); |
72 } | 72 } |
73 void MarkAsGlobal() { | 73 void MarkAsGlobal() { |
74 ASSERT(!is_lazy()); | 74 ASSERT(!is_lazy()); |
75 flags_ |= IsGlobal::encode(true); | 75 flags_ |= IsGlobal::encode(true); |
76 } | 76 } |
77 void MarkAsStrict() { | 77 void MarkAsStrictMode() { |
78 flags_ |= IsStrict::encode(true); | 78 flags_ |= IsStrictMode::encode(true); |
79 } | 79 } |
80 StrictModeFlag StrictMode() { | 80 StrictModeFlag StrictMode() { |
81 return is_strict() ? kStrictMode : kNonStrictMode; | 81 return is_strict_mode() ? kStrictMode : kNonStrictMode; |
82 } | 82 } |
83 void MarkAsInLoop() { | 83 void MarkAsInLoop() { |
84 ASSERT(is_lazy()); | 84 ASSERT(is_lazy()); |
85 flags_ |= IsInLoop::encode(true); | 85 flags_ |= IsInLoop::encode(true); |
86 } | 86 } |
87 void MarkAsAllowingNativesSyntax() { | 87 void MarkAsAllowingNativesSyntax() { |
88 flags_ |= IsNativesSyntaxAllowed::encode(true); | 88 flags_ |= IsNativesSyntaxAllowed::encode(true); |
89 } | 89 } |
90 bool allows_natives_syntax() const { | 90 bool allows_natives_syntax() const { |
91 return IsNativesSyntaxAllowed::decode(flags_); | 91 return IsNativesSyntaxAllowed::decode(flags_); |
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158 BASE, | 158 BASE, |
159 OPTIMIZE, | 159 OPTIMIZE, |
160 NONOPT | 160 NONOPT |
161 }; | 161 }; |
162 | 162 |
163 CompilationInfo() : function_(NULL) {} | 163 CompilationInfo() : function_(NULL) {} |
164 | 164 |
165 void Initialize(Mode mode) { | 165 void Initialize(Mode mode) { |
166 mode_ = V8::UseCrankshaft() ? mode : NONOPT; | 166 mode_ = V8::UseCrankshaft() ? mode : NONOPT; |
167 if (!shared_info_.is_null() && shared_info_->strict_mode()) { | 167 if (!shared_info_.is_null() && shared_info_->strict_mode()) { |
168 MarkAsStrict(); | 168 MarkAsStrictMode(); |
169 } | 169 } |
170 } | 170 } |
171 | 171 |
172 void SetMode(Mode mode) { | 172 void SetMode(Mode mode) { |
173 ASSERT(V8::UseCrankshaft()); | 173 ASSERT(V8::UseCrankshaft()); |
174 mode_ = mode; | 174 mode_ = mode; |
175 } | 175 } |
176 | 176 |
177 // Flags using template class BitField<type, start, length>. All are | 177 // Flags using template class BitField<type, start, length>. All are |
178 // false by default. | 178 // false by default. |
179 // | 179 // |
180 // Compilation is either eager or lazy. | 180 // Compilation is either eager or lazy. |
181 class IsLazy: public BitField<bool, 0, 1> {}; | 181 class IsLazy: public BitField<bool, 0, 1> {}; |
182 // Flags that can be set for eager compilation. | 182 // Flags that can be set for eager compilation. |
183 class IsEval: public BitField<bool, 1, 1> {}; | 183 class IsEval: public BitField<bool, 1, 1> {}; |
184 class IsGlobal: public BitField<bool, 2, 1> {}; | 184 class IsGlobal: public BitField<bool, 2, 1> {}; |
185 // Flags that can be set for lazy compilation. | 185 // Flags that can be set for lazy compilation. |
186 class IsInLoop: public BitField<bool, 3, 1> {}; | 186 class IsInLoop: public BitField<bool, 3, 1> {}; |
187 // Strict mode - used in eager compilation. | 187 // Strict mode - used in eager compilation. |
188 class IsStrict: public BitField<bool, 4, 1> {}; | 188 class IsStrictMode: public BitField<bool, 4, 1> {}; |
189 // Native syntax (%-stuff) allowed? | 189 // Native syntax (%-stuff) allowed? |
190 class IsNativesSyntaxAllowed: public BitField<bool, 5, 1> {}; | 190 class IsNativesSyntaxAllowed: public BitField<bool, 5, 1> {}; |
191 | 191 |
192 unsigned flags_; | 192 unsigned flags_; |
193 | 193 |
194 // Fields filled in by the compilation pipeline. | 194 // Fields filled in by the compilation pipeline. |
195 // AST filled in by the parser. | 195 // AST filled in by the parser. |
196 FunctionLiteral* function_; | 196 FunctionLiteral* function_; |
197 // The scope of the function literal as a convenience. Set to indicate | 197 // The scope of the function literal as a convenience. Set to indicate |
198 // that scopes have been analyzed. | 198 // that scopes have been analyzed. |
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298 isolate->frame_element_constant_list()->Clear(); | 298 isolate->frame_element_constant_list()->Clear(); |
299 isolate->result_constant_list()->Clear(); | 299 isolate->result_constant_list()->Clear(); |
300 } | 300 } |
301 } | 301 } |
302 }; | 302 }; |
303 | 303 |
304 | 304 |
305 } } // namespace v8::internal | 305 } } // namespace v8::internal |
306 | 306 |
307 #endif // V8_COMPILER_H_ | 307 #endif // V8_COMPILER_H_ |
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