public override IEnumerable <Definition> GetChildDefinitions(string name)
{
var col = _table.GetColumn(name);
if (col != null)
{
yield return(col.Definition);
}
}
private void ParseCreateIndex()
{
var code = Code;
DkDict.RelInd relind = null;
DkDict.Table table = null;
string word;
if (code.ReadExactWholeWord("primary"))
{
AddToken(new KeywordToken(Scope, code.Span, "primary"));
}
if (code.ReadExactWholeWord("nopick"))
{
AddToken(new KeywordToken(Scope, code.Span, "nopick"));
}
if (code.ReadExactWholeWord("NOPICK"))
{
AddToken(new KeywordToken(Scope, code.Span, "NOPICK"));
}
if (!string.IsNullOrEmpty(word = code.PeekWordR()))
{
if ((relind = DkDict.Dict.GetRelInd(word)) != null)
{
AddToken(new IdentifierToken(Scope, code.MovePeekedSpan(), word, relind.Definition));
}
else
{
var exp = ExpressionToken.TryParse(Scope, _createIndexEndTokens);
if (exp != null)
{
AddToken(exp);
}
}
}
else
{
var exp = ExpressionToken.TryParse(Scope, _createIndexEndTokens);
if (exp != null)
{
AddToken(exp);
}
}
if (code.ReadExactWholeWord("on"))
{
AddToken(new KeywordToken(Scope, code.Span, "on"));
if (!string.IsNullOrEmpty(word = code.PeekWordR()) &&
(table = DkDict.Dict.GetTable(word)) != null)
{
AddToken(new IdentifierToken(Scope, code.MovePeekedSpan(), word, table.Definition));
}
else
{
var exp = ExpressionToken.TryParse(Scope, _createIndexEndTokens);
if (exp != null)
{
AddToken(exp);
}
}
}
while (!code.EndOfFile)
{
if (code.PeekExact('(') || code.PeekExact('{'))
{
break;
}
if (!string.IsNullOrEmpty(word = code.PeekWordR()))
{
if (word == "description")
{
AddToken(new KeywordToken(Scope, code.MovePeekedSpan(), "description"));
var exp = ExpressionToken.TryParse(Scope, _createIndexEndTokens);
if (exp != null)
{
AddToken(exp);
}
}
else if (word == "tag")
{
ParseTag(Scope, this, new KeywordToken(Scope, code.MovePeekedSpan(), "tag"), _createIndexEndTokens);
}
else
{
var exp = ExpressionToken.TryParse(Scope, _createIndexEndTokens);
if (exp != null)
{
AddToken(exp);
}
else
{
break;
}
}
}
else
{
var exp = ExpressionToken.TryParse(Scope, _createIndexEndTokens);
if (exp != null)
{
AddToken(exp);
}
else
{
break;
}
}
}
if (code.ReadExact('(') || code.ReadExact('{'))
{
var brackets = new BracketsToken(Scope);
brackets.AddOpen(code.Span);
AddToken(brackets);
DkDict.Column field = null;
while (!code.EndOfFile)
{
if (code.ReadExact(')') || code.ReadExact('}'))
{
brackets.AddClose(code.Span);
break;
}
if (code.ReadExact(','))
{
brackets.AddToken(new DelimiterToken(Scope, code.Span));
}
if (table != null &&
!string.IsNullOrEmpty(word = code.PeekWordR()) &&
(field = table.GetColumn(word)) != null)
{
brackets.AddToken(new IdentifierToken(Scope, code.MovePeekedSpan(), word, field.Definition));
}
else
{
var exp = ExpressionToken.TryParse(Scope, _createIndexColumnEndTokens);
if (exp != null)
{
brackets.AddToken(exp);
}
else
{
break;
}
}
}
}
}
private void ParseAlterTable()
{
var code = Code;
DkDict.Table table = null;
ExpressionToken exp;
var word = code.PeekWordR();
if (!string.IsNullOrEmpty(word) && (table = DkDict.Dict.GetTable(word)) != null)
{
AddToken(new IdentifierToken(Scope, code.MovePeekedSpan(), word, table.Definition));
}
else
{
if ((exp = ExpressionToken.TryParse(Scope, _alterTableEndTokens)) != null)
{
AddToken(exp);
}
}
ParseTableAttributes(_alterTableEndTokens);
if (code.ReadExact(';'))
{
AddToken(new StatementEndToken(Scope, code.Span));
return;
}
if (code.ReadExactWholeWord("before") ||
code.ReadExactWholeWord("after"))
{
AddToken(new KeywordToken(Scope, code.Span, code.Text));
}
if (code.ReadExactWholeWord("column"))
{
AddToken(new KeywordToken(Scope, code.Span, code.Text));
}
if (table != null)
{
var field = table.GetColumn(code.PeekWordR());
if (field != null)
{
AddToken(new IdentifierToken(Scope, code.MovePeekedSpan(), code.Text, field.Definition));
}
else
{
if ((exp = ExpressionToken.TryParse(Scope, _alterTableEndTokens)) != null)
{
AddToken(exp);
}
}
}
if (code.ReadExactWholeWord("add") ||
code.ReadExactWholeWord("alter") ||
code.ReadExactWholeWord("drop") ||
code.ReadExactWholeWord("move"))
{
AddToken(new KeywordToken(Scope, code.Span, code.Text));
}
if (code.ReadExactWholeWord("column"))
{
AddToken(new KeywordToken(Scope, code.Span, code.Text));
}
if (code.ReadExactWholeWord("sametype"))
{
AddToken(new KeywordToken(Scope, code.Span, code.Text));
}
else
{
var dataType = DataType.TryParse(new DataType.ParseArgs
{
Code = code,
Scope = Scope,
TokenCreateCallback = token =>
{
AddToken(token);
},
VisibleModel = true,
AllowTags = true
});
}
TryParseColumnDefinition(Scope, this, table != null ? table.Definition : null, false);
if (code.ReadExact(';'))
{
AddToken(new StatementEndToken(Scope, code.Span));
}
}
private void ParseCreateRelationship(KeywordToken relationshipToken)
{
AddToken(relationshipToken);
var code = Code;
var word = code.PeekWordR();
var relind = DkDict.Dict.GetRelInd(word);
if (relind != null)
{
AddToken(new IdentifierToken(Scope, code.MovePeekedSpan(), word, relind.Definition));
if (code.ReadNumber())
{
AddToken(new NumberToken(Scope, code.Span, code.Text));
}
}
else
{
var exp = ExpressionToken.TryParse(Scope, _createRelationshipEndTokens);
if (exp != null)
{
AddToken(exp);
}
}
DkDict.Table table = null;
var done = false;
while (!code.EndOfFile && !done)
{
if (!string.IsNullOrEmpty(word = code.PeekWordR()))
{
if (word == "updates")
{
AddToken(new KeywordToken(Scope, code.MovePeekedSpan(), word));
}
else if (word == "prompt" || word == "comment" || word == "image" || word == "description")
{
AddToken(new KeywordToken(Scope, code.MovePeekedSpan(), word));
var exp = ExpressionToken.TryParse(Scope, _createRelationshipEndTokens);
if (exp != null)
{
AddToken(exp);
}
}
else if (word == "one" || word == "many")
{
AddToken(new KeywordToken(Scope, code.MovePeekedSpan(), word));
word = code.PeekWordR();
if (!string.IsNullOrEmpty(word))
{
table = DkDict.Dict.GetTable(word);
if (table != null)
{
AddToken(new IdentifierToken(Scope, code.MovePeekedSpan(), word, table.Definition));
}
else
{
var exp = ExpressionToken.TryParse(Scope, _createRelationshipEndTokens);
if (exp != null)
{
AddToken(exp);
}
}
}
else
{
var exp = ExpressionToken.TryParse(Scope, _createRelationshipEndTokens);
if (exp != null)
{
AddToken(exp);
}
}
}
else if (word == "to")
{
AddToken(new KeywordToken(Scope, code.MovePeekedSpan(), "to"));
if (code.ReadExactWholeWord("one") || code.ReadExactWholeWord("many"))
{
AddToken(new KeywordToken(Scope, code.Span, code.Text));
word = code.PeekWordR();
if (!string.IsNullOrEmpty(word))
{
table = DkDict.Dict.GetTable(word);
if (table != null)
{
AddToken(new IdentifierToken(Scope, code.MovePeekedSpan(), word, table.Definition));
}
else
{
var exp = ExpressionToken.TryParse(Scope, _createRelationshipEndTokens);
if (exp != null)
{
AddToken(exp);
}
}
}
else
{
var exp = ExpressionToken.TryParse(Scope, _createRelationshipEndTokens);
if (exp != null)
{
AddToken(exp);
}
}
}
}
else if (word == "order")
{
AddToken(new KeywordToken(Scope, code.MovePeekedSpan(), "order"));
if (code.ReadExactWholeWord("by"))
{
AddToken(new KeywordToken(Scope, code.Span, "by"));
if (code.ReadExactWholeWord("unique"))
{
AddToken(new KeywordToken(Scope, code.Span, "unique"));
}
while (!code.EndOfFile)
{
if (code.PeekExact('(') || code.PeekExact('{'))
{
break;
}
if (table != null && !string.IsNullOrEmpty(word = code.PeekWordR()))
{
var field = table.GetColumn(word);
if (field != null)
{
AddToken(new IdentifierToken(Scope, code.MovePeekedSpan(), word, field.Definition));
}
else
{
break;
}
}
else
{
break;
}
}
}
}
else if (word == "tag")
{
ParseTag(Scope, this, new KeywordToken(Scope, code.MovePeekedSpan(), "tag"), _createRelationshipEndTokens);
}
else
{
var exp = ExpressionToken.TryParse(Scope, _createRelationshipEndTokens);
if (exp != null)
{
AddToken(exp);
}
else
{
break;
}
}
}
else if (code.ReadExact('(') || code.ReadExact('{'))
{
var brackets = new BracketsToken(Scope);
brackets.AddOpen(code.Span);
AddToken(brackets);
while (!code.EndOfFile)
{
if (code.ReadExact(')') || code.ReadExact('}'))
{
brackets.AddClose(code.Span);
done = true;
break;
}
if (!TryParseColumnDefinition(Scope, brackets, relind != null ? relind.Definition : null, true))
{
var exp = ExpressionToken.TryParse(Scope, _createRelationshipEndTokens);
if (exp != null)
{
AddToken(exp);
}
else
{
break;
}
}
}
}
else
{
var exp = ExpressionToken.TryParse(Scope, _createRelationshipEndTokens);
if (exp != null)
{
AddToken(exp);
}
else
{
break;
}
}
}
}
private void ParseCreateTimeRelationship()
{
var code = Code;
var word = code.PeekWordR();
var relind = DkDict.Dict.GetRelInd(word);
if (relind != null)
{
AddToken(new IdentifierToken(Scope, code.MovePeekedSpan(), word, relind.Definition));
}
else
{
return;
}
if (code.ReadNumber())
{
AddToken(new NumberToken(Scope, code.Span, code.Text));
}
else
{
return;
}
DkDict.Table table = null;
while (!code.EndOfFile)
{
if (code.PeekExact('(') || code.PeekExact('{'))
{
break;
}
if (!string.IsNullOrEmpty(word = code.PeekWordR()))
{
if (word == "prompt" || word == "comment" || word == "description")
{
AddToken(new KeywordToken(Scope, code.MovePeekedSpan(), word));
var exp = ExpressionToken.TryParse(Scope, _createTimeRelationshipEndTokens);
if (exp != null)
{
AddToken(exp);
}
}
else if (word == "tag")
{
ParseTag(Scope, this, new KeywordToken(Scope, code.MovePeekedSpan(), word), _createTimeRelationshipEndTokens);
}
else if (word == "order")
{
AddToken(new KeywordToken(Scope, code.MovePeekedSpan(), "order"));
if (code.ReadExactWholeWord("by"))
{
AddToken(new KeywordToken(Scope, code.Span, "by"));
while (!code.EndOfFile)
{
if (code.PeekExact('(') || code.PeekExact('{'))
{
break;
}
if (!string.IsNullOrEmpty(word = code.PeekWordR()))
{
var field = table != null?table.GetColumn(word) : null;
if (field != null)
{
AddToken(new IdentifierToken(Scope, code.MovePeekedSpan(), word, field.Definition));
}
else
{
var exp = ExpressionToken.TryParse(Scope, _createTimeRelationshipEndTokens);
if (exp != null)
{
AddToken(exp);
}
else
{
break;
}
}
}
}
}
}
else if (word == "to")
{
AddToken(new KeywordToken(Scope, code.MovePeekedSpan(), "to"));
if ((table = DkDict.Dict.GetTable(word)) != null)
{
AddToken(new IdentifierToken(Scope, code.Span, word, table.Definition));
}
else
{
var exp = ExpressionToken.TryParse(Scope, _createTimeRelationshipEndTokens);
if (exp != null)
{
AddToken(exp);
}
}
}
else if ((table = DkDict.Dict.GetTable(word)) != null)
{
AddToken(new IdentifierToken(Scope, code.MovePeekedSpan(), word, table.Definition));
if (code.ReadExactWholeWord("to"))
{
AddToken(new KeywordToken(Scope, code.Span, "to"));
if ((table = DkDict.Dict.GetTable(word)) != null)
{
AddToken(new IdentifierToken(Scope, code.Span, word, table.Definition));
}
else
{
var exp = ExpressionToken.TryParse(Scope, _createTimeRelationshipEndTokens);
if (exp != null)
{
AddToken(exp);
}
}
}
}
else
{
var exp = ExpressionToken.TryParse(Scope, _createTimeRelationshipEndTokens);
if (exp != null)
{
AddToken(exp);
}
else
{
break;
}
}
}
else
{
var exp = ExpressionToken.TryParse(Scope, _createTimeRelationshipEndTokens);
if (exp != null)
{
AddToken(exp);
}
else
{
break;
}
}
}
if (code.PeekExact('('))
{
AddToken(BracketsToken.Parse(Scope, expectedDataType: null));
}
}