internal DepsName ParseName()
{
JumpWhite();
if (Current != '.')
{
return(null);
}
ConsumeChar();
string id = TryReadIdent();
if (id == null)
{
return(null);
}
var res = new DepsName();
res.Components.Add(id);
JumpWhite();
while (Current == '.')
{
ConsumeChar();
string id2 = TryReadIdent();
if (id2 == null)
{
break;
}
res.Components.Insert(0, id2);
JumpWhite();
}
return(res);
}
public bool Match(DepsName name)
{
if (Alias != null)
{
return(name.Components.Count == 1 && String.Compare(name.Components[0], Alias, true) == 0);
}
return(name.SimilarTo(FullName));
}
private NameWithSchema FindItem(DepsName name, List <NameWithSchema> available)
{
foreach (var av in available)
{
if (name.SimilarTo(av))
{
return(av);
}
}
return(null);
}
public void AddName(DepsName name)
{
Names.Add(name);
}
private void ProcessToken()
{
var tok = m_input.LT(1);
int la1 = m_input.LA(1), la2 = m_input.LA(2);
if (la1 == m_tokens.SELECT)
{
m_queryType = QueryType.SELECT;
}
if (la1 == m_tokens.UPDATE)
{
m_queryType = QueryType.UPDATE;
}
if (la1 == m_tokens.DELETE)
{
m_queryType = QueryType.DELETE;
}
if (la1 == m_tokens.INSERT)
{
m_queryType = QueryType.INSERT;
}
if (la1 == m_tokens.T_STRING)
{
var oldctx = m_context;
SetPositionBegin(tok);
SetContext(CodeContext.String);
SetPositionEnd(tok);
SetContext(oldctx);
m_input.Consume();
return;
}
if (la1 == m_tokens.SELECT ||
la1 == m_tokens.WHERE ||
la1 == m_tokens.ON
)
{
SetPositionEnd(tok);
SetContext(CodeContext.Column);
m_input.Consume();
return;
}
if ((la1 == m_tokens.LPAREN && m_queryType == QueryType.INSERT) ||
la1 == m_tokens.SET
)
{
SetPositionEnd(tok);
SetContext(CodeContext.ColumnWithoutQualifier);
m_input.Consume();
return;
}
if (la1 == m_tokens.ORDER && la2 == m_tokens.BY ||
la1 == m_tokens.GROUP && la2 == m_tokens.BY)
{
SetPositionEnd(m_input.LT(2));
m_input.Consume();
m_input.Consume();
SetContext(CodeContext.Column);
return;
}
if (la1 == m_tokens.FROM ||
la1 == m_tokens.JOIN ||
la1 == m_tokens.UPDATE ||
la1 == m_tokens.DELETE ||
la1 == m_tokens.INSERT
)
{
SetPositionEnd(tok);
SetContext(CodeContext.Table);
m_input.Consume();
return;
}
if (m_context == CodeContext.Table && m_tokens.IsIdent(la1))
{
var name = new DepsName();
name.Components.Add(m_dialect.UnquoteName(tok.Text));
m_input.Consume();
while (m_input.LA(1) == m_tokens.DOT && m_tokens.IsIdent(m_input.LA(2)))
{
name.Components.Add(m_dialect.UnquoteName(m_input.LT(2).Text));
m_input.Consume();
m_input.Consume();
}
var titem = new TableItem {
Name = name
};
if (m_tokens.IsIdent(m_input.LA(1)))
{
titem.Alias = m_dialect.UnquoteName(m_input.LT(1).Text);
m_input.Consume();
}
UsedTables.Add(titem);
return;
}
// default token handling
m_input.Consume();
SetPositionEnd(tok);
}
public TableItem FindUsedMatch(DepsName name)
{
return(UsedTables.FirstOrDefault(tbl => tbl.Match(name)));
}
