CSE2410 Fall 2014 Bounce

// Copyright 2011 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_MIPS_CODEGEN_MIPS_H_

#define V8_MIPS_CODEGEN_MIPS_H_

#include "ast.h"

#include "ic-inl.h"

namespace v8 {

namespace internal {

// Forward declarations

class CompilationInfo;

enum TypeofState { INSIDE_TYPEOF, NOT_INSIDE_TYPEOF };

// -------------------------------------------------------------------------

// CodeGenerator

class CodeGenerator: public AstVisitor {

 public:

  explicit CodeGenerator(Isolate* isolate) {

    InitializeAstVisitor(isolate);

  }

  static bool MakeCode(CompilationInfo* info);

  // Printing of AST, etc. as requested by flags.

  static void MakeCodePrologue(CompilationInfo* info, const char* kind);

  // Allocate and install the code.

  static Handle<Code> MakeCodeEpilogue(MacroAssembler* masm,

                                       Code::Flags flags,

                                       CompilationInfo* info);

  // Print the code after compiling it.

  static void PrintCode(Handle<Code> code, CompilationInfo* info);

  static bool ShouldGenerateLog(Isolate* isolate, Expression* type);

  static void SetFunctionInfo(Handle<JSFunction> fun,

                              FunctionLiteral* lit,

                              bool is_toplevel,

                              Handle<Script> script);

  static bool RecordPositions(MacroAssembler* masm,

                              int pos,

                              bool right_here = false);

  DEFINE_AST_VISITOR_SUBCLASS_MEMBERS();

 private:

  DISALLOW_COPY_AND_ASSIGN(CodeGenerator);

};

class StringCharLoadGenerator : public AllStatic {

 public:

  // Generates the code for handling different string types and loading the

  // indexed character into |result|.  We expect |index| as untagged input and

  // |result| as untagged output.

  static void Generate(MacroAssembler* masm,

                       Register string,

                       Register index,

                       Register result,

                       Label* call_runtime);

 private:

  DISALLOW_COPY_AND_ASSIGN(StringCharLoadGenerator);

};

class MathExpGenerator : public AllStatic {

 public:

  // Register input isn't modified. All other registers are clobbered.

  static void EmitMathExp(MacroAssembler* masm,

                          DoubleRegister input,

                          DoubleRegister result,

                          DoubleRegister double_scratch1,

                          DoubleRegister double_scratch2,

                          Register temp1,

                          Register temp2,

                          Register temp3);

 private:

  DISALLOW_COPY_AND_ASSIGN(MathExpGenerator);

};

} }  // namespace v8::internal

#endif  // V8_MIPS_CODEGEN_MIPS_H_