// Copyright 2011 Google Inc. All Rights Reserved.

#ifndef ART_SRC_COMPILER_H_
#define ART_SRC_COMPILER_H_

#include "constants.h"
#include "dex_file.h"
#include "jni_compiler.h"
#include "object.h"
#include "runtime.h"

int oatVRegOffsetFromMethod(art::Method* method, int reg);

namespace art {

class Compiler {
 public:
  explicit Compiler(InstructionSet insns);

  // Compile all Methods of all the Classes of all the DexFiles that are part of a ClassLoader.
  void CompileAll(const ClassLoader* class_loader);

  // Compile a single Method
  void CompileOne(Method* method);

  void SetVerbose(bool verbose) {
    verbose_ = verbose;
  }

  bool IsVerbose() const {
    return verbose_;
  }

  // Stub to throw AbstractMethodError
  static ByteArray* CreateAbstractMethodErrorStub(InstructionSet instruction_set);

  // Generate the trampoline that's invoked by unresolved direct methods
  static ByteArray* CreateResolutionStub(InstructionSet instruction_set,
                                         Runtime::TrampolineType type);

 private:
  // Attempt to resolve all type, methods, fields, and strings
  // referenced from code in the dex file following PathClassLoader
  // ordering semantics.
  void Resolve(const ClassLoader* class_loader);
  void ResolveDexFile(const ClassLoader* class_loader, const DexFile& dex_file);

  void Verify(const ClassLoader* class_loader);
  void VerifyDexFile(const ClassLoader* class_loader, const DexFile& dex_file);

  void InitializeClassesWithoutClinit(const ClassLoader* class_loader);
  void InitializeClassesWithoutClinit(const ClassLoader* class_loader, const DexFile& dex_file);

  void Compile(const ClassLoader* class_loader);
  void CompileDexFile(const ClassLoader* class_loader, const DexFile& dex_file);
  void CompileClass(Class* klass);
  void CompileMethod(Method* klass);

  // After compiling, walk all the DexCaches and set the code and
  // method pointers of CodeAndDirectMethods entries in the DexCaches.
  void SetCodeAndDirectMethods(const ClassLoader* class_loader);
  void SetCodeAndDirectMethodsDexFile(const DexFile& dex_file);

  InstructionSet instruction_set_;
  JniCompiler jni_compiler_;

  bool verbose_;

  DISALLOW_COPY_AND_ASSIGN(Compiler);
};

}  // namespace art

#endif  // ART_SRC_COMPILER_H_