18 lines
680 B
TypeScript
18 lines
680 B
TypeScript
import { CharStream, CommonTokenStream, Lexer } from 'antlr4';
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import SqlLexer from '../lib/generic/SqlLexer';
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import SqlParser from '../lib/generic/SqlParser';
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import BasicParser from './common/basicParser';
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export default class GenericSQL extends BasicParser {
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public createLexer(input: string): SqlLexer {
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const chars = new CharStream(input.toUpperCase()); // Some Lexer only support uppercase token, So you need transform
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const lexer = new SqlLexer(chars);
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return lexer;
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}
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public createParserFromLexer(lexer: Lexer): SqlParser {
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const tokenStream = new CommonTokenStream(lexer);
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return new SqlParser(tokenStream);
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}
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}
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