static IExpression CreateFunctionInvocation(
IList <IFunctionInstance> pool,
TextFileRange range,
INamedExpressionTuple leftArguments,
INamedExpressionTuple rightArguments)
{
var filteredPool = FilterFunctionLeftArguments(pool, leftArguments);
filteredPool = FilterFunctionRightArguments(filteredPool, rightArguments);
return(filteredPool.Count != 1 ? null : CreateFunctionInvocation(filteredPool.First(), range, leftArguments, rightArguments));
// TODO: proper error handling
}
static IExpression CreateFunctionInvocation(
IFunctionInstance function,
TextFileRange range,
INamedExpressionTuple leftArguments,
INamedExpressionTuple rightArguments)
{
var invocation = new FunctionInvocation {
Function = function,
Range = range,
Left = AssignArguments(function.LeftArguments, leftArguments),
Right = AssignArguments(function.RightArguments, rightArguments)
};
return(invocation);
}
private void _eatBlockComment()
{
var startLine = new TextFileRange(_textParser.CurrentLine, _textParser.CurrentIndex);
// Handle nested /* nicely.
var depth = 1;
// Take the * of the /*.
_textParser.Take();
while (!_textParser.IsEOF())
{
if (_textParser.IsEOL())
{
_textParser.NextLine();
continue;
}
var chr = _textParser.Take();
if (chr == '/' && _textParser.Peek() == '*')
{
_textParser.Take();
depth += 1;
continue;
}
if (chr == '*' && _textParser.Peek() == '/')
{
_textParser.Take();
depth -= 1;
if (depth <= 0)
{
return;
}
}
}
// Unterminated block comment!
throw new ShaderParseException("Block comment does not end", startLine);
}
public TokenSymbol(Symbols symbol, TextFileRange position) : base(position)
{
Symbol = symbol;
}
public TokenNumber(string number, TextFileRange position) : base(position)
{
Number = number;
}
public TokenWord(string word, TextFileRange position) : base(position)
{
Word = word;
}
protected Token(TextFileRange position)
{
Position = position;
}