private Expression VisitComparisonExpression(IToken operationToken, VelocityParser.ExpressionContext left, VelocityParser.ExpressionContext right, VelocityParser.ExpressionContext context)
{
VelocityOperator operation;
switch (operationToken.Type)
{
case VelocityLexer.LessThan:
operation = VelocityOperator.LessThan;
break;
case VelocityLexer.GreaterThan:
operation = VelocityOperator.GreaterThan;
break;
case VelocityLexer.LessThanOrEqual:
operation = VelocityOperator.LessThanOrEqual;
break;
case VelocityLexer.GreaterThanOrEqual:
operation = VelocityOperator.GreaterThanOrEqual;
break;
case VelocityLexer.Equal:
operation = VelocityOperator.Equal;
break;
case VelocityLexer.NotEqual:
operation = VelocityOperator.NotEqual;
break;
default:
throw new ArgumentOutOfRangeException(nameof(operationToken));
}
var visitedLeft = Visit(left);
var visitedRight = Visit(right);
var sourceInfo = GetSourceInfo(context);
return(_expressionFactory.Binary(visitedLeft, visitedRight, sourceInfo, operation));
}
private Expression VisitMathematicalExpression(IToken operationToken, VelocityParser.ExpressionContext left, VelocityParser.ExpressionContext right, VelocityParser.ExpressionContext context)
{
VelocityOperator operation;
switch (operationToken.Type)
{
case VelocityLexer.Plus:
operation = VelocityOperator.Add;
break;
case VelocityLexer.Minus:
operation = VelocityOperator.Subtract;
break;
case VelocityLexer.Multiply:
operation = VelocityOperator.Multiply;
break;
case VelocityLexer.Divide:
operation = VelocityOperator.Divide;
break;
case VelocityLexer.Modulo:
operation = VelocityOperator.Modulo;
break;
default:
throw new ArgumentOutOfRangeException(nameof(operationToken));
}
var visitedLeft = Visit(left);
var visitedRight = Visit(right);
var sourceInfo = GetSourceInfo(context);
return(_expressionFactory.Binary(visitedLeft, visitedRight, sourceInfo, operation));
}
public Expression VisitExpression([NotNull] VelocityParser.ExpressionContext context)
{
throw new NotImplementedException();
}
