private ExpressionNode ParseSimpleExpression(SymTable symTable)
{
if (Current.SubType == CharConstant)
{
var tmp = Current;
Next();
return(new ConstNode(null, tmp.Value, tmp.Line, tmp.Position)
{
Type = TypeSymbol.CharTypeSymbol
});
}
var t = ParseTerm(symTable);
var c = Current;
while (AddOps.Contains(c.SubType))
{
Next();
var temp = ParseTerm(symTable);
if (
t.Type is ArrayTypeSymbol || t.Type is RecordTypeSymbol ||
temp.Type is ArrayTypeSymbol || temp.Type is RecordTypeSymbol
)
{
throw new ParserException("Incompatible types", c.Line, c.Position);
}
(t, temp) = SelectType(t, temp);
t = new BinOpNode(new List <Node> {
t, temp
}, c.SubType, c.Line, c.Position)
{
Type = t.Type
};
c = Current;
}
return(t);
}
/// <summary>
/// Adds the add operation between the child i and i+1.
/// </summary>
public void AppendAddOperation(AddOps operation)
{
m_operations.Add(operation);
}
/// <summary>
/// Adds the add operation between the child i and i+1.
/// </summary>
public void AppendAddOperation(AddOps operation) {
m_operations.Add(operation);
}
