Methods Summary |
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private void | createConstant(java.lang.Object value)
String embed = value.toString();
if(value instanceof String)
embed = '"" + Utility.convertString(value.toString()) + '"";
else if(value instanceof Character)
embed = "(char)0x" + Integer.toHexString(((Character)value).charValue());
_out.println("il.append(new PUSH(_cp, " + embed + "));");
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public void | start() // Map<Instruction, InstructionHandle>
if(!_mg.isAbstract() && !_mg.isNative()) {
for(InstructionHandle ih = _mg.getInstructionList().getStart();
ih != null; ih = ih.getNext()) {
Instruction i = ih.getInstruction();
if(i instanceof BranchInstruction) {
branch_map.put(i, ih); // memorize container
}
if(ih.hasTargeters()) {
if(i instanceof BranchInstruction) {
_out.println(" InstructionHandle ih_" + ih.getPosition() + ";");
} else {
_out.print(" InstructionHandle ih_" + ih.getPosition() + " = ");
}
} else {
_out.print(" ");
}
if(!visitInstruction(i))
i.accept(this);
}
updateBranchTargets();
updateExceptionHandlers();
}
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private void | updateBranchTargets()
for(Iterator i = branches.iterator(); i.hasNext(); ) {
BranchInstruction bi = (BranchInstruction)i.next();
BranchHandle bh = (BranchHandle)branch_map.get(bi);
int pos = bh.getPosition();
String name = bi.getName() + "_" + pos;
int t_pos = bh.getTarget().getPosition();
_out.println(" " + name + ".setTarget(ih_" + t_pos + ");");
if(bi instanceof Select) {
InstructionHandle[] ihs = ((Select)bi).getTargets();
for(int j = 0; j < ihs.length; j++) {
t_pos = ihs[j].getPosition();
_out.println(" " + name + ".setTarget(" + j +
", ih_" + t_pos + ");");
}
}
}
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private void | updateExceptionHandlers()
CodeExceptionGen[] handlers = _mg.getExceptionHandlers();
for(int i=0; i < handlers.length; i++) {
CodeExceptionGen h = handlers[i];
String type = (h.getCatchType() == null)?
"null" : BCELifier.printType(h.getCatchType());
_out.println(" method.addExceptionHandler(" +
"ih_" + h.getStartPC().getPosition() + ", " +
"ih_" + h.getEndPC().getPosition() + ", " +
"ih_" + h.getHandlerPC().getPosition() + ", " +
type + ");");
}
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public void | visitAllocationInstruction(com.sun.org.apache.bcel.internal.generic.AllocationInstruction i)
Type type;
if(i instanceof CPInstruction) {
type = ((CPInstruction)i).getType(_cp);
} else {
type = ((NEWARRAY)i).getType();
}
short opcode = ((Instruction)i).getOpcode();
int dim = 1;
switch(opcode) {
case Constants.NEW:
_out.println("il.append(_factory.createNew(\"" +
((ObjectType)type).getClassName() + "\"));");
break;
case Constants.MULTIANEWARRAY:
dim = ((MULTIANEWARRAY)i).getDimensions();
case Constants.ANEWARRAY:
case Constants.NEWARRAY:
_out.println("il.append(_factory.createNewArray(" +
BCELifier.printType(type) + ", (short) " + dim + "));");
break;
default:
throw new RuntimeException("Oops: " + opcode);
}
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public void | visitArrayInstruction(com.sun.org.apache.bcel.internal.generic.ArrayInstruction i)
short opcode = i.getOpcode();
Type type = i.getType(_cp);
String kind = (opcode < Constants.IASTORE)? "Load" : "Store";
_out.println("il.append(_factory.createArray" + kind + "(" +
BCELifier.printType(type) + "));");
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public void | visitBranchInstruction(com.sun.org.apache.bcel.internal.generic.BranchInstruction bi)
BranchHandle bh = (BranchHandle)branch_map.get(bi);
int pos = bh.getPosition();
String name = bi.getName() + "_" + pos;
if(bi instanceof Select) {
Select s = (Select)bi;
branches.add(bi);
StringBuffer args = new StringBuffer("new int[] { ");
int[] matchs = s.getMatchs();
for(int i=0; i < matchs.length; i++) {
args.append(matchs[i]);
if(i < matchs.length - 1)
args.append(", ");
}
args.append(" }");
_out.print(" Select " + name + " = new " +
bi.getName().toUpperCase() + "(" + args +
", new InstructionHandle[] { ");
for(int i=0; i < matchs.length; i++) {
_out.print("null");
if(i < matchs.length - 1)
_out.print(", ");
}
_out.println(");");
} else {
int t_pos = bh.getTarget().getPosition();
String target;
if(pos > t_pos) {
target = "ih_" + t_pos;
} else {
branches.add(bi);
target = "null";
}
_out.println(" BranchInstruction " + name +
" = _factory.createBranchInstruction(" +
"Constants." + bi.getName().toUpperCase() + ", " +
target + ");");
}
if(bh.hasTargeters())
_out.println(" ih_" + pos + " = il.append(" + name + ");");
else
_out.println(" il.append(" + name + ");");
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public void | visitCHECKCAST(com.sun.org.apache.bcel.internal.generic.CHECKCAST i)
Type type = i.getType(_cp);
_out.println("il.append(_factory.createCheckCast(" +
BCELifier.printType(type) + "));");
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public void | visitConstantPushInstruction(com.sun.org.apache.bcel.internal.generic.ConstantPushInstruction i)
createConstant(i.getValue());
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public void | visitFieldInstruction(com.sun.org.apache.bcel.internal.generic.FieldInstruction i)
short opcode = i.getOpcode();
String class_name = i.getClassName(_cp);
String field_name = i.getFieldName(_cp);
Type type = i.getFieldType(_cp);
_out.println("il.append(_factory.createFieldAccess(\"" +
class_name + "\", \"" + field_name + "\", " +
BCELifier.printType(type) + ", " +
"Constants." + Constants.OPCODE_NAMES[opcode].toUpperCase() +
"));");
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public void | visitINSTANCEOF(com.sun.org.apache.bcel.internal.generic.INSTANCEOF i)
Type type = i.getType(_cp);
_out.println("il.append(new INSTANCEOF(_cp.addClass(" +
BCELifier.printType(type) + ")));");
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private boolean | visitInstruction(com.sun.org.apache.bcel.internal.generic.Instruction i)
short opcode = i.getOpcode();
if((InstructionConstants.INSTRUCTIONS[opcode] != null) &&
!(i instanceof ConstantPushInstruction) &&
!(i instanceof ReturnInstruction)) { // Handled below
_out.println("il.append(InstructionConstants." +
i.getName().toUpperCase() + ");");
return true;
}
return false;
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public void | visitInvokeInstruction(com.sun.org.apache.bcel.internal.generic.InvokeInstruction i)
short opcode = i.getOpcode();
String class_name = i.getClassName(_cp);
String method_name = i.getMethodName(_cp);
Type type = i.getReturnType(_cp);
Type[] arg_types = i.getArgumentTypes(_cp);
_out.println("il.append(_factory.createInvoke(\"" +
class_name + "\", \"" + method_name + "\", " +
BCELifier.printType(type) + ", " +
BCELifier.printArgumentTypes(arg_types) + ", " +
"Constants." + Constants.OPCODE_NAMES[opcode].toUpperCase() +
"));");
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public void | visitLDC(com.sun.org.apache.bcel.internal.generic.LDC i)
createConstant(i.getValue(_cp));
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public void | visitLDC2_W(com.sun.org.apache.bcel.internal.generic.LDC2_W i)
createConstant(i.getValue(_cp));
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public void | visitLocalVariableInstruction(com.sun.org.apache.bcel.internal.generic.LocalVariableInstruction i)
short opcode = i.getOpcode();
Type type = i.getType(_cp);
if(opcode == Constants.IINC) {
_out.println("il.append(new IINC(" + i.getIndex() + ", " +
((IINC)i).getIncrement() + "));");
} else {
String kind = (opcode < Constants.ISTORE)? "Load" : "Store";
_out.println("il.append(_factory.create" + kind + "(" +
BCELifier.printType(type) + ", " +
i.getIndex() + "));");
}
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public void | visitRET(com.sun.org.apache.bcel.internal.generic.RET i)
_out.println("il.append(new RET(" + i.getIndex() + ")));");
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public void | visitReturnInstruction(com.sun.org.apache.bcel.internal.generic.ReturnInstruction i)
Type type = i.getType(_cp);
_out.println("il.append(_factory.createReturn(" +
BCELifier.printType(type) + "));");
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