public IQsiTreeNode Parse(QsiScript script, CancellationToken cancellationToken = default)
{
var stream = new AntlrInputStream(script.Script);
var lexer = new CqlLexerInternal(stream);
var tokens = new CommonTokenStream(lexer);
var parser = new CqlParserInternal(tokens);
parser.AddErrorListener(new ErrorListener());
var statement = parser.cqlStatement().children[0];
switch (statement)
{
case SelectStatementContext selectStatement:
return(TableVisitor.VisitSelectStatement(selectStatement));
case CreateMaterializedViewStatementContext createMaterializedViewStatement:
return(DefinitionVisitor.VisitCreateMaterializedViewStatement(createMaterializedViewStatement));
case UseStatementContext useStatement:
return(ActionVisitor.VisitUseStatement(useStatement));
case InsertStatementContext insertStatement:
return(ActionVisitor.VisitInsertStatement(insertStatement));
case UpdateStatementContext updateStatement:
return(ActionVisitor.VisitUpdateStatement(updateStatement));
case DeleteStatementContext deleteStatement:
return(ActionVisitor.VisitDeleteStatement(deleteStatement));
default:
throw TreeHelper.NotSupportedTree(statement);
}
}
public SqlServerParser(TransactSqlVersion transactSqlVersion)
{
_parser = new TSqlParserInternal(transactSqlVersion, false);
_tableVisitor = CreateTableVisitor();
_expressionVisitor = CreateExpressionVisitor();
_identifierVisitor = CreateIdentifierVisitor();
_actionVisitor = CreateActionVisitor();
_definitionVisitor = CreateDefinitionVisitor();
}
private IQsiDefinitionNode ParseDataDefinitionStatementStatement(DataDefinitionStatementContext statement)
{
switch (statement.children[0])
{
case CreateViewStatementContext createViewStatement:
return(DefinitionVisitor.VisitCreateViewStatement(createViewStatement));
default:
throw TreeHelper.NotSupportedTree(statement.children[0]);
}
}
public IQsiTreeNode Parse(QsiScript script, CancellationToken cancellationToken = default)
{
var result = PhoenixSqlParserInternal.Parse(script.Script);
switch (result)
{
case SelectStatement selectStatement:
return(TableVisitor.VisitSelectStatement(selectStatement));
case CreateTableStatement {
TableType: PTableType.View
} createTableStatement:
return(DefinitionVisitor.VisitCreateViewStatement(createTableStatement));
case IDMLStatement dmlStatement:
return(ActionVisitor.Visit(dmlStatement));
case UseSchemaStatement useSchemaStatement:
return(ActionVisitor.VisitUseSchemaStatement(useSchemaStatement));
}
throw TreeHelper.NotSupportedTree(result);
}
public IQsiTreeNode Parse(QsiScript script, CancellationToken cancellationToken = default)
{
var parser = MySQLUtility.CreateParser(script.Script, _version);
var query = parser.query();
if (query.children[0] is not SimpleStatementContext simpleStatement)
{
return(null);
}
switch (simpleStatement.children[0])
{
case SelectStatementContext selectStatement:
return(TableVisitor.VisitSelectStatement(selectStatement));
case CreateStatementContext createStatement:
return(DefinitionVisitor.VisitCreateStatement(createStatement));
case DeleteStatementContext deleteStatement:
return(ActionVisitor.VisitDeleteStatement(deleteStatement));
case ReplaceStatementContext replaceStatement:
return(ActionVisitor.VisitReplaceStatement(replaceStatement));
case UpdateStatementContext updateStatement:
return(ActionVisitor.VisitUpdateStatement(updateStatement));
case InsertStatementContext insertStatement:
return(ActionVisitor.VisitInsertStatement(insertStatement));
case UtilityStatementContext utilityStatement:
return(ParseUtilityStatement(utilityStatement));
default:
throw TreeHelper.NotSupportedTree(simpleStatement.children[0]);
}
}
