public static Expression getExpression(CommonTree Child, Model MyModel) {
Expression returnMe = null;
int Type = Child.getType();
if (Type == Constants.NOT
|| Type == Constants.CAST_EXPRESSION
|| Type == Constants.MINUS
|| Type == Constants.PLUS
|| Type == Constants.POWER_EXPRESSION
|| Type == Constants.TIMES
|| Type == Constants.MOD
|| Type == Constants.DIV
|| Type == Constants.AND
|| Type == Constants.OR
|| Type == Constants.NOT_EQUALS
|| Type == Constants.GTE
|| Type == Constants.LT
|| Type == Constants.GT
|| Type == Constants.EQUALS
|| Type == Constants.LTE
|| Type == Constants.INCREMENT
|| Type == Constants.DECREMENT) {
if (Type != Constants.CAST_EXPRESSION)
returnMe = (Expression) (new ArithmeticExpression(Child, MyModel, Type));
else { // We must be attempting to cast move one step farther into tree.
if (Child.getChildCount() > 0) {
Type = ((CommonTree) Child.getChild(0)).getType();
returnMe = (Expression) (new ArithmeticExpression(Child, MyModel, Type));
}
}
} else if (Type == Constants.DOUBLE) {
returnMe = new TypeFloat(new Float(Child.toString()));
} else if (Type == Constants.STRING_LITERAL) {
returnMe = new TypeString(Child.toString().substring(1, Child.toString().length() - 1));
} else if (Type == Constants.INTEGER_LITERAL) {
returnMe = new TypeInteger(new Integer(Child.toString()));
} else if (Type == Constants.BOOLEAN_LITERAL) {
returnMe = new TypeBoolean(new Boolean(Child.toString()));
} else if (Type == Constants.IDENTIFIER) {
returnMe = new TypeIdentifier(Child.toString());
} else if (Type == Constants.ARRAY_IDENTIFIER) {
returnMe = new TypeIdentifier(Child, MyModel);
} else if (Type == Constants.ARRAY_DECLARE) {
returnMe = new ArrayDeclareExpression(Child, MyModel);
} else if (Type == Constants.PROCEDURE) {
returnMe = new ProcedureExpression(Child, MyModel);
}
return (returnMe);
}