Package com.google.caja.parser.js

Examples of com.google.caja.parser.js.Operation.children()

824
825
826
827
828
829
830
831
832
833
834
  }

  private static Expression rfold(Expression e, boolean isFn) {
    if (e instanceof Operation) {
      Operation o = (Operation) e;
      List<? extends Expression> children = o.children();
      Expression[] newChildren = null;
      boolean oIsFn = o.getOperator() == Operator.FUNCTION_CALL;
      for (int i = 0, n = children.size(); i < n; ++i) {
        Expression operand = children.get(i);
        Expression newOperand = rfold(operand, oIsFn && i == 0);
View Full Code Here
215
216
217
218
219
220
221
222
223
224
225
    if (grandparent.node instanceof Operation) {
      // Handles ++ac, ac += ..., ac = ...
      Operation op = grandparent.cast(Operation.class).node;
      Operator operator = op.getOperator();
      return (operator.getCategory() == OperatorCategory.ASSIGNMENT
              && ac.parent.node == op.children().get(0)) ? operator : null;
    } else if (grandparent.node instanceof ExpressionStmt
               && grandparent.parent != null
               && grandparent.parent.node instanceof ForEachLoop) {
      // Handle
      //    for (k in obj) { ... }
View Full Code Here
544
545
546
547
548
549
550
551
552
553
554
  }

  static Expression optimizeExpressionFlow(Expression e) {
    if (!(e instanceof Operation)) { return e; }
    Operation op = (Operation) e;
    List<? extends Expression> operands = op.children();
    Expression[] newOperands = null;
    int n = operands.size();
    for (int i = 0; i < n; ++i) {
      Expression operand = operands.get(i);
      Expression newOperand = optimizeExpressionFlow(operand);
View Full Code Here
625
626
627
628
629
630
631
632
633
634
635
      Operation xop = (Operation) x;
      Operation yop = (Operation) y;
      Operator xoper = xop.getOperator();
      if (xoper == yop.getOperator()) {
        List<? extends Expression> xoperands = xop.children();
        List<? extends Expression> yoperands = yop.children();
        int nOperands = xoperands.size();
        if (nOperands == yoperands.size()) {
          Expression xoperand0 = xoperands.get(0);
          // We can often pull the rightmost operand out since it would be
          // evaluated last regardless.
View Full Code Here
195
196
197
198
199
200
201
202
203
204
205
      }
      if (!(first instanceof ExpressionStmt)) { break; }
      Expression e = ((ExpressionStmt) first).getExpression();
      if (!Operation.is(e, Operator.ASSIGN)) { break; }
      Operation op = (Operation) e;
      Expression lhs = op.children().get(0);
      if (!(lhs instanceof Reference)) { break; }
      Reference r = (Reference) lhs;
      if (!unassigned.contains(r.getIdentifier())) { break; }
      // Don't return two with the same name, because we don't want to have
      // multiple var declarations for the same name.
View Full Code Here
692
693
694
695
696
697
698
699
700
701
702
      case FUNCTION_CALL:
        return false;
      case CONSTRUCTOR:
        return true;
      case LOGICAL_AND: case LOGICAL_OR:
        return shouldBeEvaluatedForValue(op.children().get(1));
      case TERNARY:
        return shouldBeEvaluatedForValue(op.children().get(1))
            && shouldBeEvaluatedForValue(op.children().get(2));
      case COMMA:
        // We do not allow comma, since bad things happen when commas are used.
View Full Code Here
694
695
696
697
698
699
700
701
702
703
704
      case CONSTRUCTOR:
        return true;
      case LOGICAL_AND: case LOGICAL_OR:
        return shouldBeEvaluatedForValue(op.children().get(1));
      case TERNARY:
        return shouldBeEvaluatedForValue(op.children().get(1))
            && shouldBeEvaluatedForValue(op.children().get(2));
      case COMMA:
        // We do not allow comma, since bad things happen when commas are used.
        // Consider
        //    if (foo)
View Full Code Here
695
696
697
698
699
700
701
702
703
704
705
        return true;
      case LOGICAL_AND: case LOGICAL_OR:
        return shouldBeEvaluatedForValue(op.children().get(1));
      case TERNARY:
        return shouldBeEvaluatedForValue(op.children().get(1))
            && shouldBeEvaluatedForValue(op.children().get(2));
      case COMMA:
        // We do not allow comma, since bad things happen when commas are used.
        // Consider
        //    if (foo)
        //      return bar,
View Full Code Here
729
730
731
732
733
734
735
736
737
738
739
  private static boolean isCommaOperationNotEvaluatedForValue(Expression e) {
    if (!(e instanceof Operation)) { return false; }
    Operation op = (Operation) e;
    if (op.getOperator() != Operator.COMMA) { return false; }
    Expression left = op.children().get(0), right = op.children().get(1);
    return !shouldBeEvaluatedForValue(right)
        && (!shouldBeEvaluatedForValue(left)
            || isCommaOperationNotEvaluatedForValue(left));
  }
View Full Code Here
729
730
731
732
733
734
735
736
737
738
739
  private static boolean isCommaOperationNotEvaluatedForValue(Expression e) {
    if (!(e instanceof Operation)) { return false; }
    Operation op = (Operation) e;
    if (op.getOperator() != Operator.COMMA) { return false; }
    Expression left = op.children().get(0), right = op.children().get(1);
    return !shouldBeEvaluatedForValue(right)
        && (!shouldBeEvaluatedForValue(left)
            || isCommaOperationNotEvaluatedForValue(left));
  }
View Full Code Here
TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.