| // Copyright 2013 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #ifndef V8_LITHIUM_CODEGEN_H_ |
| #define V8_LITHIUM_CODEGEN_H_ |
| |
| #include "v8.h" |
| |
| #include "compiler.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| class LInstruction; |
| class LPlatformChunk; |
| |
| class LCodeGenBase BASE_EMBEDDED { |
| public: |
| LCodeGenBase(LChunk* chunk, |
| MacroAssembler* assembler, |
| CompilationInfo* info); |
| virtual ~LCodeGenBase() {} |
| |
| // Simple accessors. |
| MacroAssembler* masm() const { return masm_; } |
| CompilationInfo* info() const { return info_; } |
| Isolate* isolate() const { return info_->isolate(); } |
| Factory* factory() const { return isolate()->factory(); } |
| Heap* heap() const { return isolate()->heap(); } |
| Zone* zone() const { return zone_; } |
| LPlatformChunk* chunk() const { return chunk_; } |
| HGraph* graph() const; |
| |
| void FPRINTF_CHECKING Comment(const char* format, ...); |
| |
| bool GenerateBody(); |
| virtual void GenerateBodyInstructionPre(LInstruction* instr) {} |
| virtual void GenerateBodyInstructionPost(LInstruction* instr) {} |
| |
| virtual void EnsureSpaceForLazyDeopt(int space_needed) = 0; |
| virtual void RecordAndUpdatePosition(int position) = 0; |
| |
| int GetNextEmittedBlock() const; |
| |
| protected: |
| enum Status { |
| UNUSED, |
| GENERATING, |
| DONE, |
| ABORTED |
| }; |
| |
| LPlatformChunk* const chunk_; |
| MacroAssembler* const masm_; |
| CompilationInfo* const info_; |
| Zone* zone_; |
| Status status_; |
| int current_block_; |
| int current_instruction_; |
| const ZoneList<LInstruction*>* instructions_; |
| int last_lazy_deopt_pc_; |
| |
| bool is_unused() const { return status_ == UNUSED; } |
| bool is_generating() const { return status_ == GENERATING; } |
| bool is_done() const { return status_ == DONE; } |
| bool is_aborted() const { return status_ == ABORTED; } |
| }; |
| |
| |
| } } // namespace v8::internal |
| |
| #endif // V8_LITHIUM_CODEGEN_H_ |