private void GetCompleteStatement(
ITextSnapshot snapshot, SnapshotPoint snapPos, out StringBuilder sbErrors, out ITree treeStmt)
{
string sql = snapshot.GetText();
treeStmt = null;
sbErrors = new StringBuilder();
_position = snapPos.Position;
_tokens = RemoveToken(sql, snapPos);
if (_tokens.Count == 1 && _tokens.Get(0).Type == MySQL51Lexer.EOF)
{
return;
}
MySQL51Parser.program_return r =
LanguageServiceUtil.ParseSql(sql, false, out sbErrors, _tokens);
if (r == null)
{
return;
}
ITree t = r.Tree as ITree;
treeStmt = t;
// locate current statement's AST
if (t.IsNil)
{
ITree tmp = FindStmt(t);
if (tmp != null)
{
treeStmt = tmp;
}
}
}
void ReParse()
{
ITextSnapshot newSnapshot = buffer.CurrentSnapshot;
List <Region> newRegions = new List <Region>();
string sql = newSnapshot.GetText();
StringBuilder sb = new StringBuilder();
MySQL51Parser.statement_list_return r = LanguageServiceUtil.ParseSql(sql, false, out sb);
if (sb.Length != 0)
{
return;
}
CommonTree ct = (CommonTree)r.Tree;
foreach (ITree c in ct.Children)
{
newRegions.Add(new Region()
{
Level = 1,
StartLine = c.Line,
StartOffset = c.TokenStartIndex,
EndLine = -1,
EndOffset = c.TokenStopIndex,
PartialParent = null
});
}
ITextSnapshot snap = this.snapshot;
if (this.TagsChanged != null)
{
this.TagsChanged(this, new SnapshotSpanEventArgs(
new SnapshotSpan(this.snapshot, Span.FromBounds(0, snap.Length))));
}
}