public BracePos Push(CharPos brace)
{
var bp = new BracePos(brace, this.pairs.Count);
this.pairs.Push(bp);
return(bp);
}
public BracePos Push(CharPos brace)
{
var bp = brace.AsBrace(pairs.Count);
pairs.Push(bp);
return(bp);
}
public BracePos Push(CharPos brace)
{
var pairs = stack[brace.Char];
var bp = brace.AsBrace(pairs.Count);
pairs.Push(bp);
return bp;
}
private void MatchBrace(IBraceStacker pairs, CharPos cp)
{
if (IsOpeningBrace(cp))
{
Add(pairs.Push(cp));
}
else if (pairs.Count(cp.Char) > 0)
{
// check if this is a closing brace matching
// the opening on the stack
BracePos p = pairs.Peek(cp.Char);
if (braceList[p.Brace] == cp.Char)
{
// it does, add it
pairs.Pop(cp.Char);
Add(cp.AsBrace(p.Depth));
}
else
{
// it doesn't; it's an error
this.braceErrors.Add(cp);
}
}
else
{
// closing brace has no opening brace
this.braceErrors.Add(cp);
}
}
public BracePos Push(CharPos brace)
{
var pairs = this.stack[brace.Char];
var bp = new BracePos(brace, pairs.Count);
pairs.Push(bp);
return(bp);
}
private void ExtractFromLine(IBraceStacker pairs, ITextSnapshotLine line, int lineOffset)
{
var lc = new LineChars(line, lineOffset);
CharPos cp = CharPos.Empty;
while (!lc.EndOfLine)
{
if (!this.braceScanner.Extract(lc, ref cp))
{
continue;
}
MatchBrace(pairs, cp);
}
this.LastParsedPosition = line.End;
}
private void ExtractFromLine(Stack <BracePos> pairs, ITextSnapshotLine line, int lineOffset)
{
var lc = new LineChars(line, lineOffset);
CharPos cp = CharPos.Empty;
while (!lc.EndOfLine)
{
if (!this.braceScanner.Extract(lc, ref cp))
{
continue;
}
if (IsOpeningBrace(cp))
{
BracePos p = cp.AsBrace(pairs.Count);
pairs.Push(p);
Add(p);
// we don't need to check if it's a closing brace
// because the extractor won't return anything else
}
else if (pairs.Count > 0)
{
BracePos p = pairs.Peek();
if (braceList[p.Brace] == cp.Char)
{
// yield closing brace
pairs.Pop();
BracePos c = cp.AsBrace(p.Depth);
Add(c);
}
else
{
// closing brace does not correspond
// to opening brace at same depth
this.braceErrors.Add(cp);
}
}
else
{
// closing brace has no opening brace
this.braceErrors.Add(cp);
}
}
this.LastParsedPosition = line.End;
}
private void InvalidateBraceErrorsFromPos(int position)
{
// invalidate brace errors
int lastPos = -1;
for (int i = 0; i < this.braceErrors.Count; i++)
{
lastPos = i;
CharPos ch = this.braceErrors[i];
if (ch.Position >= position)
{
break;
}
}
if (lastPos >= 0 && lastPos < braceErrors.Count)
{
braceErrors.RemoveRange(lastPos, braceErrors.Count - lastPos);
}
}
public BracePos(CharPos pos, int depth)
{
this.charPos = pos;
this.depth = depth;
}
public BracePos(char ch, int pos, int depth)
{
this.charPos = new CharPos(ch, pos);
this.depth = depth;
}
public BracePos(CharPos pos, int depth)
{
this.charPos = pos;
this.depth = depth;
}
public BracePos(char ch, int pos, int depth)
{
this.charPos = new CharPos(ch, pos);
this.depth = depth;
}