private StatementType AnalyseExpression(IExpressionNode node)
{
switch (node.GetNodeType())
{
case NodeType.LogicalExpression:
var logicalNode = (LogicalExpressionNode)node;
return(Analyze(logicalNode));
case NodeType.ComparisonExpression:
var comparisonNode = (ComparisonExpressionNode)node;
return(Analyze(comparisonNode));
case NodeType.ArthimetricExpression:
var arthimetric = (ArthimetricExpressionNode)node;
return(Analyze(arthimetric));
case NodeType.TextConcatination:
var textNode = (TextConcatinationNode)node;
return(Analyze(textNode));
case NodeType.Literal:
case NodeType.Identifier:
return(StatementTypeEvaluator.GetStatementType(node));
}
throw new UnknownNodeTypeException(string.Format("We don't know what to do with this node: {0}", node.GetNodeType()));
}
public void GetStatementResulTypetDoubleTest()
{
var lhs = new LiteralNode(Location.Empty, "10.0", QValueType.Double);
var rhs = new LiteralNode(Location.Empty, "5.0", QValueType.Double);
Assert.AreEqual(QValueType.Double, StatementTypeEvaluator.GetStatementResultType(lhs, rhs));
}
public void GetStatementResultTypeIntTest()
{
var lhs = new LiteralNode(Location.Empty, "10.0", QValueType.Integer);
var rhs = new LiteralNode(Location.Empty, "5", QValueType.Integer);
Assert.AreEqual(QValueType.Integer, StatementTypeEvaluator.GetStatementResultType(lhs, rhs));
}
public QValueType GetQValueType()
{
return(StatementTypeEvaluator.GetStatementResultType(Left, Right));
}
