Example usage for org.antlr.v4.runtime TokenStreamRewriter delete

Introduction

In this page you can find the example usage for org.antlr.v4.runtime TokenStreamRewriter delete.

Prototype

public void delete(Token indexT) 

Source Link

Usage

From source file:de.fuerstenau.gradle.commentstripper.CommentStripper.java

License:Open Source License

private void doStrip(Path fin, Path fout, Charset cs, DocType docType) throws IOException {
    try (Reader in = Files.newBufferedReader(fin, cs);
            OutputStream out = new BufferedOutputStream(Files.newOutputStream(fout))) {
        final ANTLRInputStream stream = new ANTLRInputStream(in);

        final CommonTokenStream tokens;
        if (docType == DocType.JAVA) {
            tokens = new CommonTokenStream(new GroovyLexer(stream), GroovyLexer.COMMENT);
        } else {/*from www.j  av  a  2s .co  m*/
            tokens = new CommonTokenStream(new Java8Lexer(stream), Java8Lexer.COMMENTS);
        }

        TokenStreamRewriter rew = new TokenStreamRewriter(tokens);

        while (tokens.LA(1) != EOF) {
            final Token t = tokens.LT(1);
            if (cond.shouldStrip(t.getText())) {
                rew.delete(t);
            }
            tokens.consume();
        }

        out.write(rew.getText().getBytes(cs));
        out.flush();
    }
}

---