public override void EnterSubexpression([NotNull] TxMarkParser.SubexpressionContext context)
{
var operatorType = GetOperatorType(context);
_compileContext.Push(CodeContextTypes.BinaryExpression,
attributes: new Bag <string>().Add <OperatorTypes>("operator", operatorType.Value)
);
}
/// <summary>
/// Exit a parse tree produced by <see cref="TxMarkParser.subexpression"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitSubexpression([NotNull] TxMarkParser.SubexpressionContext context)
{
}
/// <summary>
/// Visit a parse tree produced by <see cref="TxMarkParser.subexpression"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitSubexpression([NotNull] TxMarkParser.SubexpressionContext context)
{
return(VisitChildren(context));
}
public override void ExitSubexpression([NotNull] TxMarkParser.SubexpressionContext context)
{
_compileContext.Pop();
}
private OperatorTypes?GetOperatorType(TxMarkParser.SubexpressionContext context)
{
var booleanOperator = context.booleanOperator();
if (booleanOperator.OPERATOR_AND() != null)
{
return(OperatorTypes.And);
}
else if (booleanOperator.OPERATOR_OR() != null)
{
return(OperatorTypes.Or);
}
else if (booleanOperator.OPERATOR_GREATER_OR_EQUAL() != null)
{
return(OperatorTypes.GreaterOrEqual);
}
else if (booleanOperator.OPERATOR_GREATER_THAN() != null)
{
return(OperatorTypes.GreaterThan);
}
else if (booleanOperator.OPERATOR_IS() != null)
{
if (booleanOperator.OPERATOR_NOT() != null)
{
return(OperatorTypes.IsNot);
}
else if (booleanOperator.OPERATOR_IN() != null)
{
return(OperatorTypes.IsIn);
}
return(OperatorTypes.Is);
}
else if (booleanOperator.OPERATOR_CONTAINS() != null)
{
return(OperatorTypes.Contains);
}
else if (booleanOperator.OPERATOR_LESS_OR_EQUAL() != null)
{
return(OperatorTypes.LessOrEqual);
}
else if (booleanOperator.OPERATOR_LESS_THAN() != null)
{
return(OperatorTypes.LessThan);
}
else if (booleanOperator.OPERATOR_MINUS() != null)
{
return(OperatorTypes.Subtract);
}
else if (booleanOperator.OPERATOR_PLUS() != null)
{
return(OperatorTypes.Add);
}
else if (booleanOperator.OPERATOR_MULTIPLY() != null)
{
return(OperatorTypes.Multiply);
}
else if (booleanOperator.OPERATOR_MODULO() != null)
{
return(OperatorTypes.Modulo);
}
else if (booleanOperator.OPERATOR_DIVIDE() != null)
{
return(OperatorTypes.Divide);
}
else if (booleanOperator.OPERATOR_POWER() != null)
{
return(OperatorTypes.Power);
}
else
{
return(null);
}
}
