private WSqlStatement ParseStatement(TSqlStatement tsqlStat)
{
WSqlStatement wstat;
switch (tsqlStat.GetType().Name)
{
case "SelectStatement":
{
var sel = tsqlStat as SelectStatement;
wstat = ParseSelectQueryStatement(sel.QueryExpression);
break;
}
case "CreateFunctionStatement":
{
var creat = tsqlStat as CreateFunctionStatement;
var wcreat = new WCreateFunctionStatement
{
Parameters = creat.Parameters,
ReturnType = creat.ReturnType,
StatementList = new List<WSqlStatement>(creat.StatementList.Statements.Count),
FirstTokenIndex = creat.FirstTokenIndex,
LastTokenIndex = creat.LastTokenIndex,
Name = ParseSchemaObjectName(creat.Name)
};
foreach (var stat in creat.StatementList.Statements)
{
wcreat.StatementList.Add(ParseStatement(stat));
}
wstat = wcreat;
break;
}
case "BeginEndBlockStatement":
{
var bestat = tsqlStat as BeginEndBlockStatement;
var wbestat = new WBeginEndBlockStatement
{
StatementList = new List<WSqlStatement>(bestat.StatementList.Statements.Count),
FirstTokenIndex = bestat.FirstTokenIndex,
LastTokenIndex = bestat.LastTokenIndex
};
foreach (var pstat in bestat.StatementList.Statements.Select(ParseStatement))
{
wbestat.StatementList.Add(pstat);
}
wstat = wbestat;
break;
}
case "UpdateStatement":
{
var upd = tsqlStat as UpdateStatement;
wstat = ParseUpdateStatement(upd.UpdateSpecification);
break;
}
case "DeleteStatement":
{
var del = tsqlStat as DeleteStatement;
wstat = ParseDeleteStatement(del.DeleteSpecification);
break;
}
case "InsertStatement":
{
var ins = tsqlStat as InsertStatement;
wstat = ParseInsertStatement(ins.InsertSpecification);
break;
}
case "CreateTableStatement":
{
var cts = tsqlStat as CreateTableStatement;
var wcstat = new WCreateTableStatement
{
FirstTokenIndex = cts.FirstTokenIndex,
LastTokenIndex = cts.LastTokenIndex,
Definition = ParseTableDefinition(cts.Definition),
SchemaObjectName = ParseSchemaObjectName(cts.SchemaObjectName),
};
wstat = wcstat;
break;
}
case "DropTableStatement":
{
var dts = tsqlStat as DropTableStatement;
var wdstat = new WDropTableStatement
{
FirstTokenIndex = dts.FirstTokenIndex,
LastTokenIndex = dts.LastTokenIndex,
};
if (dts.Objects != null)
{
wdstat.Objects = new List<WSchemaObjectName>();
foreach (var obj in dts.Objects)
{
wdstat.Objects.Add(ParseSchemaObjectName(obj));
}
}
wstat = wdstat;
break;
}
case "CreateViewStatement":
{
var cvs = tsqlStat as CreateViewStatement;
var wcvs = new WCreateViewStatement
{
Columns = cvs.Columns,
FirstTokenIndex = cvs.FirstTokenIndex,
LastTokenIndex = cvs.LastTokenIndex,
SchemaObjectName = ParseSchemaObjectName(cvs.SchemaObjectName),
SelectStatement = ParseSelectQueryStatement(cvs.SelectStatement.QueryExpression),
ViewOptions = cvs.ViewOptions,
WithCheckOption = cvs.WithCheckOption
};
wstat = wcvs;
break;
}
case "BeginTransactionStatement":
{
var beginTranStat = tsqlStat as BeginTransactionStatement;
wstat = new WBeginTransactionStatement
{
Name = ParseIdentifierOrValueExpression(beginTranStat.Name),
Distributed = beginTranStat.Distributed,
FirstTokenIndex = beginTranStat.FirstTokenIndex,
LastTokenIndex = beginTranStat.LastTokenIndex
};
break;
}
case "CommitTransactionStatement":
{
var commitTranStat = tsqlStat as CommitTransactionStatement;
wstat = new WCommitTransactionStatement
{
Name = ParseIdentifierOrValueExpression(commitTranStat.Name),
FirstTokenIndex = commitTranStat.FirstTokenIndex,
LastTokenIndex = commitTranStat.LastTokenIndex
};
break;
}
case "RollbackTransactionStatement":
{
var rollbackTranStat = tsqlStat as RollbackTransactionStatement;
wstat = new WRollbackTransactionStatement
{
Name = ParseIdentifierOrValueExpression(rollbackTranStat.Name),
FirstTokenIndex = rollbackTranStat.FirstTokenIndex,
LastTokenIndex = rollbackTranStat.LastTokenIndex
};
break;
}
case "SaveTransactionStatement":
{
var saveTranStat = tsqlStat as SaveTransactionStatement;
wstat = new WSaveTransactionStatement
{
Name = ParseIdentifierOrValueExpression(saveTranStat.Name),
FirstTokenIndex = saveTranStat.FirstTokenIndex,
LastTokenIndex = saveTranStat.LastTokenIndex
};
break;
}
case "CreateProcedureStatement":
{
var creat = tsqlStat as CreateProcedureStatement;
var wcreat = new WCreateProcedureStatement
{
IsForReplication = creat.IsForReplication,
Parameters = creat.Parameters,
StatementList = new List<WSqlStatement>(creat.StatementList.Statements.Count),
FirstTokenIndex = creat.FirstTokenIndex,
LastTokenIndex = creat.LastTokenIndex,
ProcedureReference = new WProcedureReference
{
Name = ParseSchemaObjectName(creat.ProcedureReference.Name),
Number = creat.ProcedureReference.Number
}
};
foreach (var stat in creat.StatementList.Statements)
{
wcreat.StatementList.Add(ParseStatement(stat));
}
wstat = wcreat;
break;
}
case "DropProcedureStatement":
{
var dts = tsqlStat as DropProcedureStatement;
var wdstat = new WDropProcedureStatement
{
FirstTokenIndex = dts.FirstTokenIndex,
LastTokenIndex = dts.LastTokenIndex,
};
if (dts.Objects != null)
{
wdstat.Objects = new List<WSchemaObjectName>();
foreach (var obj in dts.Objects)
{
wdstat.Objects.Add(ParseSchemaObjectName(obj));
}
}
wstat = wdstat;
break;
}
case "WhileStatement":
{
var bestat = tsqlStat as WhileStatement;
var wbestat = new WWhileStatement()
{
Predicate = ParseBooleanExpression(bestat.Predicate),
Statement = ParseStatement(bestat.Statement),
FirstTokenIndex = bestat.FirstTokenIndex,
LastTokenIndex = bestat.LastTokenIndex
};
wstat = wbestat;
break;
}
case "DeclareVariableStatement":
{
var dvstat = tsqlStat as DeclareVariableStatement;
wstat = new WDeclareVariableStatement
{
Statement = dvstat
};
break;
}
default:
{
wstat = new WSqlUnknownStatement(tsqlStat)
{
FirstTokenIndex = tsqlStat.FirstTokenIndex,
LastTokenIndex = tsqlStat.LastTokenIndex
};
break;
}
}
return wstat;
}
public override void Visit(WDeclareVariableStatement node)
{
if (node.Statement.Declarations != null)
{
if (_variables == null)
{
_variables = new List<DeclareVariableElement>();
}
foreach (var parameter in node.Statement.Declarations)
{
_variables.Add(parameter);
}
}
}
public virtual void Visit(WDeclareVariableStatement node)
{
node.AcceptChildren(this);
}
public virtual void Visit(WDeclareVariableStatement node)
{
node.AcceptChildren(this);
}