/**
* Returns the type name for a visitTypeInsn operand, which is the internal name for an object
* type and the descriptor for an array type. Must not be called for a non-reference type.
*/
private static String getTypeInstName(Type type) {
if (type.getSort() == Type.OBJECT) {
return type.getInternalName();
} else if (type.getSort() == Type.ARRAY) {
return type.getDescriptor();
} else {
throw new IllegalStateException();
}
}
/**
* Call this method before comparing a non-reference operand to zero as an int, for example, with
* IFNE, IFEQ, IFLT, etc. If the operand is a long, float or double, this method will compare it
* to zero and leave the result as an int operand.
*/
private static void genBeforeCompareToZero(MethodVisitor mv, Type type) {
switch (type.getSort()) {
case Type.LONG:
mv.visitInsn(LCONST_0);
mv.visitInsn(LCMP);
break;
case Type.FLOAT:
mv.visitInsn(FCONST_0);
mv.visitInsn(FCMPL);
break;
case Type.DOUBLE:
mv.visitInsn(DCONST_0);
mv.visitInsn(DCMPL);
break;
}
}
FieldInfo(FieldVisitor parent, String name, String desc) {
this.parent = parent;
this.name = name;
type = Type.getType(desc);
}
/** Returns true if the given type is an object or array. */
private static boolean isRefType(Type type) {
int sort = type.getSort();
return (sort == Type.OBJECT || sort == Type.ARRAY);
}