xref: /external/chromium_org/v8/src/mips/codegen-mips.h

// Copyright 2011 the V8 project authors. All rights reserved.
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// 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.
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//       contributors may be used to endorse or promote products derived
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//
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#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_