1// Copyright 2011 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28#ifndef V8_X64_CODEGEN_X64_H_ 29#define V8_X64_CODEGEN_X64_H_ 30 31#include "ast.h" 32#include "ic-inl.h" 33 34namespace v8 { 35namespace internal { 36 37// Forward declarations 38class CompilationInfo; 39 40enum TypeofState { INSIDE_TYPEOF, NOT_INSIDE_TYPEOF }; 41 42 43// ------------------------------------------------------------------------- 44// CodeGenerator 45 46class CodeGenerator: public AstVisitor { 47 public: 48 static bool MakeCode(CompilationInfo* info); 49 50 // Printing of AST, etc. as requested by flags. 51 static void MakeCodePrologue(CompilationInfo* info); 52 53 // Allocate and install the code. 54 static Handle<Code> MakeCodeEpilogue(MacroAssembler* masm, 55 Code::Flags flags, 56 CompilationInfo* info); 57 58 // Print the code after compiling it. 59 static void PrintCode(Handle<Code> code, CompilationInfo* info); 60 61 static bool ShouldGenerateLog(Expression* type); 62 63 static bool RecordPositions(MacroAssembler* masm, 64 int pos, 65 bool right_here = false); 66 67 private: 68 DISALLOW_COPY_AND_ASSIGN(CodeGenerator); 69}; 70 71 72class StringCharLoadGenerator : public AllStatic { 73 public: 74 // Generates the code for handling different string types and loading the 75 // indexed character into |result|. We expect |index| as untagged input and 76 // |result| as untagged output. 77 static void Generate(MacroAssembler* masm, 78 Register string, 79 Register index, 80 Register result, 81 Label* call_runtime); 82 83 private: 84 DISALLOW_COPY_AND_ASSIGN(StringCharLoadGenerator); 85}; 86 87} } // namespace v8::internal 88 89#endif // V8_X64_CODEGEN_X64_H_ 90