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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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143 JumpTarget* false_target_; | 143 JumpTarget* false_target_; |
144 CodeGenState* previous_; | 144 CodeGenState* previous_; |
145 }; | 145 }; |
146 | 146 |
147 | 147 |
148 // ------------------------------------------------------------------------- | 148 // ------------------------------------------------------------------------- |
149 // CodeGenerator | 149 // CodeGenerator |
150 | 150 |
151 class CodeGenerator: public AstVisitor { | 151 class CodeGenerator: public AstVisitor { |
152 public: | 152 public: |
153 // Compilation mode. Either the compiler is used as the primary | |
154 // compiler and needs to setup everything or the compiler is used as | |
155 // the secondary compiler for split compilation and has to handle | |
156 // bailouts. | |
157 enum Mode { | |
158 PRIMARY, | |
159 SECONDARY | |
160 }; | |
161 | |
162 // Takes a function literal, generates code for it. This function should only | 153 // Takes a function literal, generates code for it. This function should only |
163 // be called by compiler.cc. | 154 // be called by compiler.cc. |
164 static Handle<Code> MakeCode(CompilationInfo* info); | 155 static Handle<Code> MakeCode(CompilationInfo* info); |
165 | 156 |
166 // Printing of AST, etc. as requested by flags. | 157 // Printing of AST, etc. as requested by flags. |
167 static void MakeCodePrologue(CompilationInfo* info); | 158 static void MakeCodePrologue(CompilationInfo* info); |
168 | 159 |
169 // Allocate and install the code. | 160 // Allocate and install the code. |
170 static Handle<Code> MakeCodeEpilogue(MacroAssembler* masm, | 161 static Handle<Code> MakeCodeEpilogue(MacroAssembler* masm, |
171 Code::Flags flags, | 162 Code::Flags flags, |
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237 // reach the end of the statement (ie, it does not exit via break, | 228 // reach the end of the statement (ie, it does not exit via break, |
238 // continue, return, or throw). This function is used temporarily while | 229 // continue, return, or throw). This function is used temporarily while |
239 // the code generator is being transformed. | 230 // the code generator is being transformed. |
240 inline void VisitAndSpill(Statement* statement); | 231 inline void VisitAndSpill(Statement* statement); |
241 | 232 |
242 // Visit a list of statements and then spill the virtual frame if control | 233 // Visit a list of statements and then spill the virtual frame if control |
243 // flow can reach the end of the list. | 234 // flow can reach the end of the list. |
244 inline void VisitStatementsAndSpill(ZoneList<Statement*>* statements); | 235 inline void VisitStatementsAndSpill(ZoneList<Statement*>* statements); |
245 | 236 |
246 // Main code generation function | 237 // Main code generation function |
247 void Generate(CompilationInfo* info, Mode mode); | 238 void Generate(CompilationInfo* info); |
248 | 239 |
249 // The following are used by class Reference. | 240 // The following are used by class Reference. |
250 void LoadReference(Reference* ref); | 241 void LoadReference(Reference* ref); |
251 void UnloadReference(Reference* ref); | 242 void UnloadReference(Reference* ref); |
252 | 243 |
253 static MemOperand ContextOperand(Register context, int index) { | 244 static MemOperand ContextOperand(Register context, int index) { |
254 return MemOperand(context, Context::SlotOffset(index)); | 245 return MemOperand(context, Context::SlotOffset(index)); |
255 } | 246 } |
256 | 247 |
257 MemOperand SlotOperand(Slot* slot, Register tmp); | 248 MemOperand SlotOperand(Slot* slot, Register tmp); |
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621 Major MajorKey() { return StringCompare; } | 612 Major MajorKey() { return StringCompare; } |
622 int MinorKey() { return 0; } | 613 int MinorKey() { return 0; } |
623 | 614 |
624 void Generate(MacroAssembler* masm); | 615 void Generate(MacroAssembler* masm); |
625 }; | 616 }; |
626 | 617 |
627 | 618 |
628 } } // namespace v8::internal | 619 } } // namespace v8::internal |
629 | 620 |
630 #endif // V8_ARM_CODEGEN_ARM_H_ | 621 #endif // V8_ARM_CODEGEN_ARM_H_ |
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