public override ITokenStream GetAntlrTokenStream(TextReader reader)
{
SQLiteLexer lexer = new SQLiteLexer(new ANTLRReaderStream(reader));
CommonTokenStream tokens = new CommonTokenStream(lexer);
return(tokens);
}
public void Init(string sql)
{
AntlrInputStream inputStream = new AntlrInputStream(sql);
SQLiteLexer sqlLexer = new SQLiteLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(sqlLexer);
sqlParser_ = new SQLiteParser(commonTokenStream);
visitor_ = new SQLiteVisitor();
}
public void Init(string sql)
{
AntlrInputStream inputStream = new AntlrInputStream(sql);
SQLiteLexer sqlLexer = new SQLiteLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(sqlLexer);
sqlParser_ = new SQLiteParser(commonTokenStream);
visitor_ = new SQLiteVisitor();
// obtain syntax errors by adding error listener
sqlParser_.AddErrorListener(new SyntaxErrorListener());
}
private CommonTree GetAST(string sql)
{
ANTLRStringStream sStream = new ANTLRStringStream(sql);
SQLiteLexer lexer = new SQLiteLexer(sStream);
CommonTokenStream tStream = new CommonTokenStream(lexer);
SQLiteParser parser = new SQLiteParser(tStream);
SQLiteParser.sql_stmt_list_return rrr = parser.sql_stmt_list();
CommonTree ast = (CommonTree)rrr.Tree;
return(ast);
}
