Example usage for org.antlr.v4.runtime BufferedTokenStream getHiddenTokensToLeft

Introduction

In this page you can find the example usage for org.antlr.v4.runtime BufferedTokenStream getHiddenTokensToLeft.

Prototype

public List<Token> getHiddenTokensToLeft(int tokenIndex, int channel) 

Source Link

Document

Collect all tokens on specified channel to the left of the current token up until we see a token on DEFAULT_TOKEN_CHANNEL.

Usage

From source file:io.proleap.cobol.preprocessor.impl.CobolPreprocessorImpl.java

License:Open Source License

protected String getHiddenTokensToLeft(final BufferedTokenStream tokens, final int tokPos) {
    final List<Token> refChannel = tokens.getHiddenTokensToLeft(tokPos, Cobol85PreprocessorLexer.HIDDEN);
    final StringBuffer sb = new StringBuffer();

    if (refChannel != null) {
        for (final Token refToken : refChannel) {
            final String text = refToken.getText();
            sb.append(text);/*  w  w  w . ja v a2  s.co m*/
        }
    }

    return sb.toString();
}

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From source file:io.proleap.cobol.preprocessor.sub.util.TokenUtils.java

License:Open Source License

public static String getHiddenTokensToLeft(final int tokPos, final BufferedTokenStream tokens) {
    final List<Token> refChannel = tokens.getHiddenTokensToLeft(tokPos, Cobol85PreprocessorLexer.HIDDEN);
    final StringBuffer sb = new StringBuffer();

    if (refChannel != null) {
        for (final Token refToken : refChannel) {
            final String text = refToken.getText();
            sb.append(text);//from  w w  w. ja  v a  2  s  . c  o  m
        }
    }

    return sb.toString();
}

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From source file:net.maritimecloud.internal.msdl.parser.MsdlComment.java

License:Apache License

static MsdlComment parseComments(BufferedTokenStream bts, ParserRuleContext context) {
    return parseComments(bts.getHiddenTokensToLeft(context.getStart().getTokenIndex(), MsdlLexer.COMMENTS));
}

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From source file:org.pshdl.model.parser.SourceInfo.java

License:Open Source License

public SourceInfo(BufferedTokenStream tokens, ParserRuleContext context) {
    this.context = context;
    this.startLine = context.start.getLine();
    this.totalOffset = context.start.getStartIndex();
    this.startPosInLine = context.start.getCharPositionInLine();
    if (context.stop != null) {
        this.endLine = context.stop.getLine();
        this.endPosInLine = context.stop.getCharPositionInLine();
    } else {/*from w ww.  ja  v  a2  s .  co  m*/
        this.endLine = startLine;
        this.endPosInLine = startPosInLine;
    }
    if (tokens != null) {
        this.length = tokens.getText(context.getSourceInterval()).length();
        final List<Token> hidden = tokens.getHiddenTokensToLeft(context.start.getTokenIndex(),
                PSHDLLangLexer.COMMENTS);
        if (hidden != null) {
            for (final Token token : hidden) {
                comments.add(token.getText());
            }
        }
    } else {
        this.length = -1;
    }
}

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