lava-oushudb-dt-sql-parser/src/parser/plsql.ts

20 lines
737 B
TypeScript

import { InputStream, CommonTokenStream, Lexer } from 'antlr4';
import { PlSqlLexer } from '../lib/plsql/PlSqlLexer';
import { PlSqlParser } from '../lib/plsql/PlSqlParser';
export * from '../lib/plsql/PlSqlParserListener';
export * from '../lib/plsql/PlSqlParserVisitor';
import BasicParser from './common/BasicParser';
export default class PLSQLParser extends BasicParser {
public createLexer(input: string): Lexer {
const chars = new InputStream(input.toUpperCase());
const lexer = <unknown> new PlSqlLexer(chars) as Lexer;
return lexer;
}
public createParserFromLexer(lexer: Lexer) {
const tokenStream = new CommonTokenStream(lexer);
return new PlSqlParser(tokenStream);
}
}