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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 | |
306 // Takes a function literal, generates code for it. This function should only | 297 // Takes a function literal, generates code for it. This function should only |
307 // be called by compiler.cc. | 298 // be called by compiler.cc. |
308 static Handle<Code> MakeCode(CompilationInfo* info); | 299 static Handle<Code> MakeCode(CompilationInfo* info); |
309 | 300 |
310 // Printing of AST, etc. as requested by flags. | 301 // Printing of AST, etc. as requested by flags. |
311 static void MakeCodePrologue(CompilationInfo* info); | 302 static void MakeCodePrologue(CompilationInfo* info); |
312 | 303 |
313 // Allocate and install the code. | 304 // Allocate and install the code. |
314 static Handle<Code> MakeCodeEpilogue(MacroAssembler* masm, | 305 static Handle<Code> MakeCodeEpilogue(MacroAssembler* masm, |
315 Code::Flags flags, | 306 Code::Flags flags, |
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378 // reach the end of the statement (ie, it does not exit via break, | 369 // reach the end of the statement (ie, it does not exit via break, |
379 // continue, return, or throw). This function is used temporarily while | 370 // continue, return, or throw). This function is used temporarily while |
380 // the code generator is being transformed. | 371 // the code generator is being transformed. |
381 void VisitAndSpill(Statement* statement); | 372 void VisitAndSpill(Statement* statement); |
382 | 373 |
383 // Visit a list of statements and then spill the virtual frame if control | 374 // Visit a list of statements and then spill the virtual frame if control |
384 // flow can reach the end of the list. | 375 // flow can reach the end of the list. |
385 void VisitStatementsAndSpill(ZoneList<Statement*>* statements); | 376 void VisitStatementsAndSpill(ZoneList<Statement*>* statements); |
386 | 377 |
387 // Main code generation function | 378 // Main code generation function |
388 void Generate(CompilationInfo* info, Mode mode); | 379 void Generate(CompilationInfo* info); |
389 | 380 |
390 // Generate the return sequence code. Should be called no more than | 381 // Generate the return sequence code. Should be called no more than |
391 // once per compiled function, immediately after binding the return | 382 // once per compiled function, immediately after binding the return |
392 // target (which can not be done more than once). | 383 // target (which can not be done more than once). |
393 void GenerateReturnSequence(Result* return_value); | 384 void GenerateReturnSequence(Result* return_value); |
394 | 385 |
395 // Returns the arguments allocation mode. | 386 // Returns the arguments allocation mode. |
396 ArgumentsAllocationMode ArgumentsMode(); | 387 ArgumentsAllocationMode ArgumentsMode(); |
397 | 388 |
398 // Store the arguments object and allocate it if necessary. | 389 // Store the arguments object and allocate it if necessary. |
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829 Major MajorKey() { return StringCompare; } | 820 Major MajorKey() { return StringCompare; } |
830 int MinorKey() { return 0; } | 821 int MinorKey() { return 0; } |
831 | 822 |
832 void Generate(MacroAssembler* masm); | 823 void Generate(MacroAssembler* masm); |
833 }; | 824 }; |
834 | 825 |
835 | 826 |
836 } } // namespace v8::internal | 827 } } // namespace v8::internal |
837 | 828 |
838 #endif // V8_X64_CODEGEN_X64_H_ | 829 #endif // V8_X64_CODEGEN_X64_H_ |
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