private void convertFunction(ExprFunction2 expr) {
logger.debug("convertFunction " + expr.toString());
if (expr instanceof E_LogicalOr) {
expr.getArg1().visit(this);
expr.getArg2().visit(this);
Expression e2 = expression.pop();
Expression e1 = expression.pop();
expression.push(e1.or(e2));
} else if (expr instanceof E_LessThan) {
expr.getArg1().visit(this);
expr.getArg2().visit(this);
Expression e2 = expression.pop();
Expression e1 = expression.pop();
expression.push(new LessThan(e1, e2));
} else if (expr instanceof E_LessThanOrEqual) {
expr.getArg1().visit(this);
expr.getArg2().visit(this);
Expression e2 = expression.pop();
Expression e1 = expression.pop();
expression.push(new LessThanOrEqual(e1, e2));
} else if (expr instanceof E_GreaterThan) {
expr.getArg1().visit(this);
expr.getArg2().visit(this);
Expression e2 = expression.pop();
Expression e1 = expression.pop();
expression.push(new GreaterThan(e1, e2));
} else if (expr instanceof E_GreaterThanOrEqual) {
expr.getArg1().visit(this);
expr.getArg2().visit(this);
Expression e2 = expression.pop();
Expression e1 = expression.pop();
expression.push(new GreaterThanOrEqual(e1, e2));
} else if (expr instanceof E_Add) {
expr.getArg1().visit(this);
expr.getArg2().visit(this);
Expression e2 = expression.pop();
Expression e1 = expression.pop();
expression.push(new Add(e1, e2));
} else if (expr instanceof E_Subtract) {
expr.getArg1().visit(this);
expr.getArg2().visit(this);
Expression e2 = expression.pop();
Expression e1 = expression.pop();
expression.push(new Subtract(e1, e2));
} else if (expr instanceof E_Multiply) {
expr.getArg1().visit(this);
expr.getArg2().visit(this);
Expression e2 = expression.pop();
Expression e1 = expression.pop();
expression.push(new Multiply(e1, e2));
} else if (expr instanceof E_Divide) {
expr.getArg1().visit(this);
expr.getArg2().visit(this);
Expression e2 = expression.pop();
Expression e1 = expression.pop();
expression.push(new Divide(e1, e2));
} else if (expr instanceof E_Equals) {
convertEquals((E_Equals) expr);
} else if (expr instanceof E_NotEquals) {
convertNotEquals((E_NotEquals) expr);
} else if (expr instanceof E_LangMatches) {
convertLangMatches((E_LangMatches) expr);
} else if (expr instanceof E_SameTerm) {
convertSameTerm((E_SameTerm) expr);
} else if (extensionSupports(expr)) {
expr.getArg(1).visit(this);
expr.getArg(2).visit(this);
Expression e2 = expression.pop();
Expression e1 = expression.pop();
List<Expression> args = new ArrayList<Expression>(2);
args.add(e1);
args.add(e2);
extensionConvert(expr, args);
} else {
conversionFailed(expr);
}
}
