Package com.google.javascript.rhino.jstype

Examples of com.google.javascript.rhino.jstype.TernaryValue.toBoolean()

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      // TODO(user): Handle more complicated expression like true == true,
      // etc....
      if (condition != null) {
        TernaryValue val = NodeUtil.getImpureBooleanValue(condition);
        if (val != TernaryValue.UNKNOWN) {
          return val.toBoolean(true) == (branch == Branch.ON_TRUE);
        }
      }
      return true;
    }
  }
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      // TODO(user): Handle more complicated expression like true == true,
      // etc....
      if (condition != null) {
        TernaryValue val = NodeUtil.getImpureBooleanValue(condition);
        if (val != TernaryValue.UNKNOWN) {
          return val.toBoolean(true) == (branch == Branch.ON_TRUE);
        }
      }
      return true;
    }
  }
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          if (numValue == 0 || numValue == 1) {
            return n;
          }
        }
        */
        int result = leftVal.toBoolean(true) ? Token.FALSE : Token.TRUE;
        Node replacementNode = new Node(result);
        parent.replaceChild(n, replacementNode);
        reportCodeChange();
        return replacementNode;
      case Token.POS:
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    int type = n.getType();

    TernaryValue leftVal = NodeUtil.getImpureBooleanValue(left);

    if (leftVal != TernaryValue.UNKNOWN) {
      boolean lval = leftVal.toBoolean(true);

      // (TRUE || x) => TRUE (also, (3 || x) => 3)
      // (FALSE && x) => FALSE
      if (lval && type == Token.OR ||
          !lval && type == Token.AND) {
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        return "undefined";

      case Token.NOT:
        TernaryValue child = getPureBooleanValue(n.getFirstChild());
        if (child != TernaryValue.UNKNOWN) {
          return child.toBoolean(true) ? "false" : "true"; // reversed.
        }
        break;

      case Token.ARRAYLIT:
        return arrayToString(n);
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        return null;

      case Token.NOT:
        TernaryValue child = getPureBooleanValue(n.getFirstChild());
        if (child != TernaryValue.UNKNOWN) {
          return child.toBoolean(true) ? 0.0 : 1.0; // reversed.
        }
        break;

      case Token.STRING:
        return getStringNumberValue(n.getString());
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          && lhsAssign.getString().equals(condition.getString())) {
        Node rhsAssign = getSimpleAssignmentValue(n);
        TernaryValue value = NodeUtil.getImpureBooleanValue(rhsAssign);
        if (value != TernaryValue.UNKNOWN) {
          int replacementConditionNodeType =
            (value.toBoolean(true)) ? Token.TRUE : Token.FALSE;
          condition.getParent().replaceChild(condition,
              new Node(replacementConditionNodeType));
          reportCodeChange();
        }
      }
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          new Node(Token.EXPR_RESULT, cond).copyInformationFrom(cond));
      reportCodeChange();
      cond = newCond;
    }

    boolean condTrue = condValue.toBoolean(true);
    if (n.getChildCount() == 2) {
      Preconditions.checkState(type == Token.IF);

      if (condTrue) {
        // Replace "if (true) { X }" with "X".
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      return n;  // We can't remove branches otherwise!
    }

    // Transform "(a = 2) ? x =2 : y" into "a=2,x=2"
    n.detachChildren();
    Node branchToKeep = condValue.toBoolean(true) ? thenBody : elseBody;
    Node replacement;
    if (mayHaveSideEffects(cond)) {
      replacement = new Node(Token.COMMA).copyInformationFrom(n);
      replacement.addChildToFront(cond);
      replacement.addChildToBack(branchToKeep);
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        //   x && false  --> false
        TernaryValue rightVal = NodeUtil.getPureBooleanValue(right);
        if (NodeUtil.getPureBooleanValue(right) != TernaryValue.UNKNOWN) {
          int type = n.getType();
          Node replacement = null;
          boolean rval = rightVal.toBoolean(true);

          // (x || FALSE) => x
          // (x && TRUE) => x
          if (type == Token.OR && !rval ||
              type == Token.AND && rval) {
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