public JsValue EvaluateLogicalExpression(LogicalExpression logicalExpression)
{
var left = _engine.GetValue(EvaluateExpression(logicalExpression.Left));
switch (logicalExpression.Operator)
{
case LogicalOperator.LogicalAnd:
if (!TypeConverter.ToBoolean(left))
{
return left;
}
return _engine.GetValue(EvaluateExpression(logicalExpression.Right));
case LogicalOperator.LogicalOr:
if (TypeConverter.ToBoolean(left))
{
return left;
}
return _engine.GetValue(EvaluateExpression(logicalExpression.Right));
default:
throw new NotImplementedException();
}
}
public ExpressionContext(JScriptBuilder builder, LogicalExpression e)
: this(builder)
{
_op = OperatorInfo.GetLogical(e.Operator);
Enter();
}
private void EmitLogicalExpression(LogicalExpression e)
{
using (var ec = new ExpressionContext(this, e))
{
Emit(e.Left);
Write(" " + ec.Token + " ");
Emit(e.Right);
}
}
