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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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| 150 | 150 |
| 151 static const int kUnknownIntValue = -1; | 151 static const int kUnknownIntValue = -1; |
| 152 | 152 |
| 153 // Number of instructions used for the JS return sequence. The constant is | 153 // Number of instructions used for the JS return sequence. The constant is |
| 154 // used by the debugger to patch the JS return sequence. | 154 // used by the debugger to patch the JS return sequence. |
| 155 static const int kJSReturnSequenceLength = 6; | 155 static const int kJSReturnSequenceLength = 6; |
| 156 | 156 |
| 157 private: | 157 private: |
| 158 // Construction/Destruction. | 158 // Construction/Destruction. |
| 159 explicit CodeGenerator(MacroAssembler* masm); | 159 explicit CodeGenerator(MacroAssembler* masm); |
| 160 virtual ~CodeGenerator() { delete masm_; } | |
| 161 | 160 |
| 162 // Accessors. | 161 // Accessors. |
| 163 inline bool is_eval(); | 162 inline bool is_eval(); |
| 164 Scope* scope() const { return scope_; } | 163 inline Scope* scope(); |
| 165 | 164 |
| 166 // Generating deferred code. | 165 // Generating deferred code. |
| 167 void ProcessDeferred(); | 166 void ProcessDeferred(); |
| 168 | 167 |
| 169 // State | 168 // State |
| 170 bool has_cc() const { return cc_reg_ != cc_always; } | 169 bool has_cc() const { return cc_reg_ != cc_always; } |
| 171 TypeofState typeof_state() const { return state_->typeof_state(); } | 170 TypeofState typeof_state() const { return state_->typeof_state(); } |
| 172 JumpTarget* true_target() const { return state_->true_target(); } | 171 JumpTarget* true_target() const { return state_->true_target(); } |
| 173 JumpTarget* false_target() const { return state_->false_target(); } | 172 JumpTarget* false_target() const { return state_->false_target(); } |
| 174 | 173 |
| 175 // We don't track loop nesting level on mips yet. | 174 // We don't track loop nesting level on mips yet. |
| 176 int loop_nesting() const { return 0; } | 175 int loop_nesting() const { return 0; } |
| 177 | 176 |
| 178 // Node visitors. | 177 // Node visitors. |
| 179 void VisitStatements(ZoneList<Statement*>* statements); | 178 void VisitStatements(ZoneList<Statement*>* statements); |
| 180 | 179 |
| 181 #define DEF_VISIT(type) \ | 180 #define DEF_VISIT(type) \ |
| 182 void Visit##type(type* node); | 181 void Visit##type(type* node); |
| 183 AST_NODE_LIST(DEF_VISIT) | 182 AST_NODE_LIST(DEF_VISIT) |
| 184 #undef DEF_VISIT | 183 #undef DEF_VISIT |
| 185 | 184 |
| 186 // Main code generation function | 185 // Main code generation function |
| 187 void Generate(CompilationInfo* info, Mode mode); | 186 void Generate(CompilationInfo* info); |
| 188 | 187 |
| 189 struct InlineRuntimeLUT { | 188 struct InlineRuntimeLUT { |
| 190 void (CodeGenerator::*method)(ZoneList<Expression*>*); | 189 void (CodeGenerator::*method)(ZoneList<Expression*>*); |
| 191 const char* name; | 190 const char* name; |
| 192 }; | 191 }; |
| 193 | 192 |
| 194 static InlineRuntimeLUT* FindInlineRuntimeLUT(Handle<String> name); | 193 static InlineRuntimeLUT* FindInlineRuntimeLUT(Handle<String> name); |
| 195 bool CheckForInlineRuntimeCall(CallRuntime* node); | 194 bool CheckForInlineRuntimeCall(CallRuntime* node); |
| 196 static bool PatchInlineRuntimeEntry(Handle<String> name, | 195 static bool PatchInlineRuntimeEntry(Handle<String> name, |
| 197 const InlineRuntimeLUT& new_entry, | 196 const InlineRuntimeLUT& new_entry, |
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| 300 // function_return_ does not jump to the true function return, but rather | 299 // function_return_ does not jump to the true function return, but rather |
| 301 // to some unlinking code). | 300 // to some unlinking code). |
| 302 bool function_return_is_shadowed_; | 301 bool function_return_is_shadowed_; |
| 303 | 302 |
| 304 static InlineRuntimeLUT kInlineRuntimeLUT[]; | 303 static InlineRuntimeLUT kInlineRuntimeLUT[]; |
| 305 | 304 |
| 306 friend class VirtualFrame; | 305 friend class VirtualFrame; |
| 307 friend class JumpTarget; | 306 friend class JumpTarget; |
| 308 friend class Reference; | 307 friend class Reference; |
| 309 friend class FastCodeGenerator; | 308 friend class FastCodeGenerator; |
| 309 friend class FullCodeGenerator; |
| 310 friend class FullCodeGenSyntaxChecker; | 310 friend class FullCodeGenSyntaxChecker; |
| 311 | 311 |
| 312 DISALLOW_COPY_AND_ASSIGN(CodeGenerator); | 312 DISALLOW_COPY_AND_ASSIGN(CodeGenerator); |
| 313 }; | 313 }; |
| 314 | 314 |
| 315 | 315 |
| 316 } } // namespace v8::internal | 316 } } // namespace v8::internal |
| 317 | 317 |
| 318 #endif // V8_MIPS_CODEGEN_MIPS_H_ | 318 #endif // V8_MIPS_CODEGEN_MIPS_H_ |
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