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 34 namespace v8 { 35 namespace internal { 36 37 // Forward declarations 38 class CompilationInfo; 39 40 enum TypeofState { INSIDE_TYPEOF, NOT_INSIDE_TYPEOF }; 41 42 43 // ------------------------------------------------------------------------- 44 // CodeGenerator 45 46 class 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 72 class 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