Java Code Examples for org.apache.bcel.Constants#ACC_FINAL

The following examples show how to use org.apache.bcel.Constants#ACC_FINAL . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: ApkToolPlus   File: ClassParser.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * Read information about the class and its super class.
 * @throws  IOException
 * @throws  ClassFormatException
 */
private final void readClassInfo() throws IOException, ClassFormatException
{
  access_flags = file.readUnsignedShort();

  /* Interfaces are implicitely abstract, the flag should be set
   * according to the JVM specification.
   */
  if((access_flags & Constants.ACC_INTERFACE) != 0)
    access_flags |= Constants.ACC_ABSTRACT;

  if(((access_flags & Constants.ACC_ABSTRACT) != 0) && 
     ((access_flags & Constants.ACC_FINAL)    != 0 ))
    throw new ClassFormatException("Class can't be both final and abstract");

  class_name_index      = file.readUnsignedShort();
  superclass_name_index = file.readUnsignedShort();
}
 
Example 2
Source Project: luaj   File: JavaBuilder.java    License: MIT License 6 votes vote down vote up
private String createLuaStringField(LuaString value) {
	String name = PREFIX_CONSTANT+constants.size();
	FieldGen fg = new FieldGen(Constants.ACC_STATIC | Constants.ACC_FINAL, 
			TYPE_LUAVALUE, name, cp);
	cg.addField(fg.getField());
	LuaString ls = value.checkstring();
	if ( ls.isValidUtf8() ) {
		init.append(new PUSH(cp, value.tojstring()));
		init.append(factory.createInvoke(STR_LUASTRING, "valueOf",
				TYPE_LUASTRING, ARG_TYPES_STRING, Constants.INVOKESTATIC));
	} else {
		char[] c = new char[ls.m_length];
		for ( int j=0; j<ls.m_length; j++ ) 
			c[j] = (char) (0xff & (int) (ls.m_bytes[ls.m_offset+j]));
		init.append(new PUSH(cp, new String(c)));
		init.append(factory.createInvoke(STR_STRING, "toCharArray",
				TYPE_CHARARRAY, Type.NO_ARGS,
				Constants.INVOKEVIRTUAL));
		init.append(factory.createInvoke(STR_LUASTRING, "valueOf",
				TYPE_LUASTRING, ARG_TYPES_CHARARRAY,
				Constants.INVOKESTATIC));
	}
	init.append(factory.createPutStatic(classname, name, TYPE_LUAVALUE));			
	return name;
}
 
Example 3
Source Project: luaj   File: JavaBuilder.java    License: MIT License 5 votes vote down vote up
private String createLuaIntegerField(int value) {
	String name = PREFIX_CONSTANT+constants.size();
	FieldGen fg = new FieldGen(Constants.ACC_STATIC | Constants.ACC_FINAL, 
			TYPE_LUAVALUE, name, cp);
	cg.addField(fg.getField());
	init.append(new PUSH(cp, value));
	init.append(factory.createInvoke(STR_LUAVALUE, "valueOf",
			TYPE_LUAINTEGER, ARG_TYPES_INT, Constants.INVOKESTATIC));
	init.append(factory.createPutStatic(classname, name, TYPE_LUAVALUE));
	return name;
}
 
Example 4
Source Project: luaj   File: JavaBuilder.java    License: MIT License 5 votes vote down vote up
private String createLuaDoubleField(double value) {
	String name = PREFIX_CONSTANT+constants.size();
	FieldGen fg = new FieldGen(Constants.ACC_STATIC | Constants.ACC_FINAL, 
			TYPE_LUAVALUE, name, cp);
	cg.addField(fg.getField());
	init.append(new PUSH(cp, value));
	init.append(factory.createInvoke(STR_LUAVALUE, "valueOf",
			TYPE_LUANUMBER, ARG_TYPES_DOUBLE, Constants.INVOKESTATIC));
	init.append(factory.createPutStatic(classname, name, TYPE_LUAVALUE));			
	return name;
}
 
Example 5
Source Project: ApkToolPlus   File: AccessFlags.java    License: Apache License 2.0 4 votes vote down vote up
public final boolean isFinal() {
  return (access_flags & Constants.ACC_FINAL) != 0;
}
 
Example 6
Source Project: luaj   File: JavaBuilder.java    License: MIT License 4 votes vote down vote up
public JavaBuilder(ProtoInfo pi, String classname, String filename) {
	this.pi = pi;
	this.p = pi.prototype;
	this.classname = classname;
	
	// what class to inherit from
	superclassType = p.numparams;
	if ( p.is_vararg != 0 || superclassType >= SUPERTYPE_VARARGS )
		superclassType = SUPERTYPE_VARARGS;
	for ( int i=0, n=p.code.length; i<n; i++ ) {
		int inst = p.code[i];
		int o = Lua.GET_OPCODE(inst);
		if ( (o == Lua.OP_TAILCALL) ||
		     ((o == Lua.OP_RETURN) && (Lua.GETARG_B(inst) < 1 || Lua.GETARG_B(inst) > 2)) ) {
			superclassType = SUPERTYPE_VARARGS;
			break;
		}
	}
	
	// create class generator
	cg = new ClassGen(classname, SUPER_NAME_N[superclassType], filename,
			Constants.ACC_PUBLIC | Constants.ACC_SUPER, null);
	cp = cg.getConstantPool(); // cg creates constant pool

	// main instruction lists
	factory = new InstructionFactory(cg);
	init = new InstructionList();
	main = new InstructionList();

	// create the fields
	for ( int i=0; i<p.upvalues.length; i++ ) {
		boolean isrw = pi.isReadWriteUpvalue( pi.upvals[i] ); 
		Type uptype = isrw? (Type) TYPE_LOCALUPVALUE: (Type) TYPE_LUAVALUE;
		FieldGen fg = new FieldGen(0, uptype, upvalueName(i), cp);
		cg.addField(fg.getField());
	}
	
	// create the method
	mg = new MethodGen( Constants.ACC_PUBLIC | Constants.ACC_FINAL, // access flags
			RETURN_TYPE_N[superclassType], // return type
			ARG_TYPES_N[superclassType], // argument types
			ARG_NAMES_N[superclassType], // arg names
			METH_NAME_N[superclassType], 
			STR_LUAVALUE, // method, defining class
			main, cp);
	
	// initialize the values in the slots
	initializeSlots();	

	// initialize branching
	int nc = p.code.length;
	targets = new int[nc];
	branches = new BranchInstruction[nc];
	branchDestHandles = new InstructionHandle[nc];
	lastInstrHandles = new InstructionHandle[nc];
}