public Instruction createInstructionGetfield(Element inst) throws IllegalXMLVMException {
String classType = inst.getAttributeValue("class-type");
String field = inst.getAttributeValue("field");
String type = inst.getAttributeValue("type");
Type t = parseTypeString(type);
return _factory.createGetField(classType, field, t);
}
private Instruction createInvokeInstruction(Element inst, short kind)
throws IllegalXMLVMException {
String classType = inst.getAttributeValue("class-type");
String methodName = inst.getAttributeValue("method");
Element signature = inst.getChild("signature", nsXMLVM);
Type retType = collectReturnType(signature);
Type[] argTypes = collectArgumentTypes(signature);
return _factory.createInvoke(classType, methodName, retType, argTypes, kind);
}
public Instruction createInstructionNew(Element inst) {
String t = inst.getAttributeValue("type");
return _factory.createNew(t);
}
public Instruction createInstructionGetstatic(Element inst) throws IllegalXMLVMException {
String classType = inst.getAttributeValue("class-type");
String field = inst.getAttributeValue("field");
Type type = parseTypeString(inst.getAttributeValue("type"));
return _factory.createFieldAccess(classType, field, type, Constants.GETSTATIC);
}
public Instruction createInstructionLreturn(Element inst) {
return _factory.createReturn(Type.LONG);
}
public Instruction createInstructionFreturn(Element inst) {
return _factory.createReturn(Type.FLOAT);
}
public Instruction createInstructionDreturn(Element inst) {
return _factory.createReturn(Type.DOUBLE);
}
public Instruction createInstructionIreturn(Element inst) {
return _factory.createReturn(Type.INT);
}
public Instruction createInstructionReturn(Element inst) {
return _factory.createReturn(Type.VOID);
}
public Instruction createInstructionAload(Element inst) throws IllegalXMLVMException {
String t = inst.getAttributeValue("type");
Type type = parseTypeString(t);
int idx = Integer.parseInt(inst.getAttributeValue("index"));
return _factory.createLoad(type, idx);
}