flags.jrag

JDK1.4编译器后端

/*
 * The JastAdd Extensible Java Compiler (http://jastadd.org) is covered
 * by the modified BSD License. You should have received a copy of the
 * modified BSD license with this compiler.
 * 
 * Copyright (c) 2005-2008, Torbjorn Ekman
 * All rights reserved.
 */

aspect Flags {
  public static final int Modifiers.ACC_PUBLIC       = 0x0001; // class field method
  public static final int Modifiers.ACC_PRIVATE      = 0x0002; //       field method
  public static final int Modifiers.ACC_PROTECTED    = 0x0004; //       field method
  public static final int Modifiers.ACC_STATIC       = 0x0008; //       field method
  public static final int Modifiers.ACC_FINAL        = 0x0010; // class field method
  public static final int Modifiers.ACC_SYNCHRONIZED = 0x0020; //             method
  public static final int Modifiers.ACC_SUPER        = 0x0020; // class
  public static final int Modifiers.ACC_VOLATILE     = 0x0040; //       field
  public static final int Modifiers.ACC_TRANSIENT    = 0x0080; //       field
  public static final int Modifiers.ACC_NATIVE       = 0x0100; //             method
  public static final int Modifiers.ACC_INTERFACE    = 0x0200; // class
  public static final int Modifiers.ACC_ABSTRACT     = 0x0400; // class       method
  public static final int Modifiers.ACC_SYNTHETIC    = 0x1000; //       field method
  public static final int Modifiers.ACC_STRICT       = 0x0800; //             method


  // mangle modifiers for nested types
  public int TypeDecl.mangledFlags(int flags) {
    boolean privateFlag = (flags & Modifiers.ACC_PRIVATE) != 0;
    boolean protectedFlag = (flags & Modifiers.ACC_PROTECTED) != 0;
    flags &= ~ Modifiers.ACC_PRIVATE;
    flags &= ~ Modifiers.ACC_PROTECTED;
    if(protectedFlag)
      flags |= Modifiers.ACC_PUBLIC;
    return flags;
  }



  syn lazy int MethodDecl.flags() {
    int res = 0;
    if(isPublic()) res |= Modifiers.ACC_PUBLIC;
    if(isPrivate()) res |= Modifiers.ACC_PRIVATE;
    if(isProtected()) res |= Modifiers.ACC_PROTECTED;
    if(isStatic()) res |= Modifiers.ACC_STATIC;
    if(isFinal()) res |= Modifiers.ACC_FINAL;
    if(isSynchronized()) res |= Modifiers.ACC_SYNCHRONIZED;
    if(isNative()) res |= Modifiers.ACC_NATIVE;
    if(isAbstract()) res |= Modifiers.ACC_ABSTRACT;
    if(isStrictfp() || (hostType().isStrictfp() && !hostType().isInterfaceDecl())) res |= Modifiers.ACC_STRICT;
    return res;
  }

  syn lazy int ConstructorDecl.flags() {
    int res = 0;
    if(isPublic()) res |= Modifiers.ACC_PUBLIC;
    if(isPrivate()) res |= Modifiers.ACC_PRIVATE;
    if(isProtected()) res |= Modifiers.ACC_PROTECTED;
    //if(isSynchronized()) res |= Modifiers.ACC_SYNCHRONIZED;
    //if(isStrictfp()) res |= Modifiers.ACC_STRICT;
    return res;
  }

  syn lazy int TypeDecl.flags() {
    int res = 0;
    if(isPublic()) res |= Modifiers.ACC_PUBLIC;
    if(isPrivate()) res |= Modifiers.ACC_PRIVATE;
    if(isProtected()) res |= Modifiers.ACC_PROTECTED;
    if(isStatic()) res |= Modifiers.ACC_STATIC;
    if(isFinal()) res |= Modifiers.ACC_FINAL;
    // ACC_INTERFACE handled in InterfaceDecl
    if(isAbstract()) res |= Modifiers.ACC_ABSTRACT;
    return res;
  }

  syn lazy int FieldDeclaration.flags() {
    int res = 0;
    if(isPublic()) res |= Modifiers.ACC_PUBLIC;
    if(isPrivate()) res |= Modifiers.ACC_PRIVATE;
    if(isProtected()) res |= Modifiers.ACC_PROTECTED;
    if(isStatic()) res |= Modifiers.ACC_STATIC;
    if(isFinal()) res |= Modifiers.ACC_FINAL;
    if(isVolatile()) res |= Modifiers.ACC_VOLATILE;
    if(isTransient()) res |= Modifiers.ACC_TRANSIENT;
    return res;
  }
}