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