Examples with OperatorNode org.mvel2.ast.OperatorNode used on opensource projects

Example 6 with OperatorNode

use of org.mvel2.ast.OperatorNode in project mvel by mvel.

the class ExpressionCompiler method compileReduce.

private boolean compileReduce(int opCode, ASTLinkedList astBuild) {
    switch(arithmeticFunctionReduction(opCode)) {
        case -1:
            /**
             * The reduction failed because we encountered a non-literal,
             * so we must now back out and cleanup.
             */
            stk.xswap_op();
            astBuild.addTokenNode(new LiteralNode(stk.pop(), pCtx));
            astBuild.addTokenNode((OperatorNode) splitAccumulator.pop(), verify(pCtx, (ASTNode) splitAccumulator.pop()));
            return false;
        case -2:
            /**
             * Back out completely, pull everything back off the stack and add the instructions
             * to the output payload as they are.
             */
            LiteralNode rightValue = new LiteralNode(stk.pop(), pCtx);
            OperatorNode operator = new OperatorNode((Integer) stk.pop(), expr, st, pCtx);
            astBuild.addTokenNode(new LiteralNode(stk.pop(), pCtx), operator);
            astBuild.addTokenNode(rightValue, (OperatorNode) splitAccumulator.pop());
            astBuild.addTokenNode(verify(pCtx, (ASTNode) splitAccumulator.pop()));
    }
    return true;
}