Examples of com.google.caja.parser.js.Expression.typeOf()

Class com.google.caja.parser.js.Expression

Examples of com.google.caja.parser.js.Expression.typeOf()

com.google.caja.parser.js.Expression.typeOf()
{@code null} or the result of applying the {@code typeof} operator tothe result of this expression. @return if the expression yields a result with the same {@code typeof}in all environments in which it returns normally, then returns the result of applying the {@code typeof} operator to the result.{@code null} if the type cannot be determined.This method is conservative, so it may return null where it is possible to prove a bound.


            // (this.global === this) -> global aliases the global object.
            } else if (isThis(rhs) && lhs instanceof Reference) {
              addFactInt(lhs, Fact.GLOBAL);
            } else {
              String typeOf = rhs.typeOf();
              if (typeOf != null && lhs.typeOf() == null) {
                addFactInt(
                    Operation.create(UNK, Operator.TYPEOF, lhs),
                    Fact.is(StringLiteral.valueOf(UNK, typeOf)));
              }

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        if (a.getValue() == b.getValue()) {
          e = commaOp(cond, a).fold(false);
        } else {
          // cond ? true : false -> !!cond
          int nNotsNeeded = a.getValue() ? 2 : 1;
          if (nNotsNeeded == 2 && "boolean".equals(cond.typeOf())) {
            nNotsNeeded = 0;
          }
          e = cond;
          while (--nNotsNeeded >= 0) {
            e = Operation.create(e.getFilePosition(), Operator.NOT, e)

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        if (a.getValue() == b.getValue()) {
          e = commaOp(cond, a).fold(false);
        } else {
          // cond ? true : false -> !!cond
          int nNotsNeeded = a.getValue() ? 2 : 1;
          if (nNotsNeeded == 2 && "boolean".equals(cond.typeOf())) {
            nNotsNeeded = 0;
          }
          e = cond;
          while (--nNotsNeeded >= 0) {
            e = Operation.create(e.getFilePosition(), Operator.NOT, e)

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            // (this.global === this) -> global aliases the global object.
            } else if (isThis(rhs) && lhs instanceof Reference) {
              addFactInt(lhs, Fact.GLOBAL);
            } else {
              String typeOf = rhs.typeOf();
              if (typeOf != null && lhs.typeOf() == null) {
                addFactInt(
                    Operation.create(UNK, Operator.TYPEOF, lhs),
                    Fact.is(StringLiteral.valueOf(UNK, typeOf)));
              }

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