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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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287 EAGER_ARGUMENTS_ALLOCATION, | 287 EAGER_ARGUMENTS_ALLOCATION, |
288 LAZY_ARGUMENTS_ALLOCATION | 288 LAZY_ARGUMENTS_ALLOCATION |
289 }; | 289 }; |
290 | 290 |
291 | 291 |
292 // ------------------------------------------------------------------------- | 292 // ------------------------------------------------------------------------- |
293 // CodeGenerator | 293 // CodeGenerator |
294 | 294 |
295 class CodeGenerator: public AstVisitor { | 295 class CodeGenerator: public AstVisitor { |
296 public: | 296 public: |
| 297 // Compilation mode. Either the compiler is used as the primary |
| 298 // compiler and needs to setup everything or the compiler is used as |
| 299 // the secondary compiler for split compilation and has to handle |
| 300 // bailouts. |
| 301 enum Mode { |
| 302 PRIMARY, |
| 303 SECONDARY |
| 304 }; |
| 305 |
297 // Takes a function literal, generates code for it. This function should only | 306 // Takes a function literal, generates code for it. This function should only |
298 // be called by compiler.cc. | 307 // be called by compiler.cc. |
299 static Handle<Code> MakeCode(FunctionLiteral* fun, | 308 static Handle<Code> MakeCode(FunctionLiteral* fun, |
300 Handle<Script> script, | 309 Handle<Script> script, |
301 bool is_eval, | 310 bool is_eval, |
302 CompilationInfo* info); | 311 CompilationInfo* info); |
303 | 312 |
304 // Printing of AST, etc. as requested by flags. | 313 // Printing of AST, etc. as requested by flags. |
305 static void MakeCodePrologue(FunctionLiteral* fun); | 314 static void MakeCodePrologue(FunctionLiteral* fun); |
306 | 315 |
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374 // reach the end of the statement (ie, it does not exit via break, | 383 // reach the end of the statement (ie, it does not exit via break, |
375 // continue, return, or throw). This function is used temporarily while | 384 // continue, return, or throw). This function is used temporarily while |
376 // the code generator is being transformed. | 385 // the code generator is being transformed. |
377 void VisitAndSpill(Statement* statement); | 386 void VisitAndSpill(Statement* statement); |
378 | 387 |
379 // Visit a list of statements and then spill the virtual frame if control | 388 // Visit a list of statements and then spill the virtual frame if control |
380 // flow can reach the end of the list. | 389 // flow can reach the end of the list. |
381 void VisitStatementsAndSpill(ZoneList<Statement*>* statements); | 390 void VisitStatementsAndSpill(ZoneList<Statement*>* statements); |
382 | 391 |
383 // Main code generation function | 392 // Main code generation function |
384 void GenCode(FunctionLiteral* fun, CompilationInfo* info); | 393 void Generate(FunctionLiteral* fun, Mode mode, CompilationInfo* info); |
385 | 394 |
386 // Generate the return sequence code. Should be called no more than | 395 // Generate the return sequence code. Should be called no more than |
387 // once per compiled function, immediately after binding the return | 396 // once per compiled function, immediately after binding the return |
388 // target (which can not be done more than once). | 397 // target (which can not be done more than once). |
389 void GenerateReturnSequence(Result* return_value); | 398 void GenerateReturnSequence(Result* return_value); |
390 | 399 |
391 // Returns the arguments allocation mode. | 400 // Returns the arguments allocation mode. |
392 ArgumentsAllocationMode ArgumentsMode() const; | 401 ArgumentsAllocationMode ArgumentsMode() const; |
393 | 402 |
394 // Store the arguments object and allocate it if necessary. | 403 // Store the arguments object and allocate it if necessary. |
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814 Major MajorKey() { return StringCompare; } | 823 Major MajorKey() { return StringCompare; } |
815 int MinorKey() { return 0; } | 824 int MinorKey() { return 0; } |
816 | 825 |
817 void Generate(MacroAssembler* masm); | 826 void Generate(MacroAssembler* masm); |
818 }; | 827 }; |
819 | 828 |
820 | 829 |
821 } } // namespace v8::internal | 830 } } // namespace v8::internal |
822 | 831 |
823 #endif // V8_X64_CODEGEN_X64_H_ | 832 #endif // V8_X64_CODEGEN_X64_H_ |
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