public override Expression Scan(ParseEngine engine)
{
var kw = new ForKeyword(engine.CurrentLine, engine.CurrentColumn, engine.Query);
var start = engine.Pointer;
var index = engine.Advance(Token.Length).Skip().Pointer;
var chars = engine.Characters;
if (index == chars.Length)
{
kw.Length = engine.Pointer - start;
engine.AddError(new YAMPForArgumentsMissing(engine));
return(kw);
}
if (chars[index] == '(')
{
var ln = engine.CurrentLine;
var col = engine.CurrentColumn;
kw.Initialization = engine.Advance().ParseStatement();
kw.Condition = engine.ParseStatement();
kw.Condition.IsMuted = false;
kw.End = engine.ParseStatement(')', e => new YAMPBracketNotClosedError(ln, col));
SetMarker(engine);
kw.Body = engine.ParseStatement();
UnsetMarker(engine);
}
else
{
engine.AddError(new YAMPForArgumentsMissing(engine));
}
kw.Length = engine.Pointer - start;
return(kw);
}
public override Expression Scan(ParseEngine engine)
{
var kw = new ForKeyword(engine.CurrentLine, engine.CurrentColumn, engine.Query);
var start = engine.Pointer;
var index = engine.Advance(Token.Length).Skip().Pointer;
var chars = engine.Characters;
if (index == chars.Length)
{
kw.Length = engine.Pointer - start;
engine.AddError(new YAMPForArgumentsMissing(engine));
return kw;
}
else if (chars[index] == '(')
{
var ln = engine.CurrentLine;
var col = engine.CurrentColumn;
kw.Initialization = engine.Advance().ParseStatement();
kw.Condition = engine.ParseStatement();
kw.Condition.IsMuted = false;
kw.End = engine.ParseStatement(')', e => new YAMPBracketNotClosedError(ln, col));
SetMarker(engine);
kw.Body = engine.ParseStatement();
UnsetMarker(engine);
}
else
{
engine.AddError(new YAMPForArgumentsMissing(engine));
}
kw.Length = engine.Pointer - start;
return kw;
}