Examples with NotNull org.antlr.v4.runtime.misc.NotNull used on opensource projects

Example 6 with NotNull

use of org.antlr.v4.runtime.misc.NotNull in project beetl2.0 by javamonkey.

the class BeetlAntlrErrorStrategy method reportNoViableAlternative.

protected void reportNoViableAlternative(@NotNull Parser recognizer, @NotNull NoViableAltException e) {
    TokenStream tokens = recognizer.getInputStream();
    String input;
    if (tokens instanceof TokenStream) {
        if (e.getStartToken().getType() == Token.EOF)
            input = "<文件尾>";
        else
            input = tokens.getText(e.getStartToken(), e.getOffendingToken());
    } else {
        input = "<未知输入>";
    }
    BeetlException exception = null;
    if (keys.contains(e.getOffendingToken().getText())) {
        exception = new BeetlParserException(BeetlException.PARSER_VIABLE_ERROR, "不允许" + e.getOffendingToken().getText() + "关键出现在这里" + ":" + escapeWSAndQuote(input), e);
    } else {
        exception = new BeetlParserException(BeetlException.PARSER_VIABLE_ERROR, escapeWSAndQuote(input), e);
    }
    // String msg = "no viable alternative at input " + escapeWSAndQuote(input);
    exception.pushToken(this.getGrammarToken(e.getOffendingToken()));
    throw exception;
}

Example 7 with NotNull

use of org.antlr.v4.runtime.misc.NotNull in project ihmc-pub-sub by ihmcrobotics.

the class DefaultErrorStrategy method reportUnwantedToken.

@Override
protected void reportUnwantedToken(@NotNull Parser recognizer) {
    if (inErrorRecoveryMode(recognizer)) {
        return;
    }
    beginErrorCondition(recognizer);
    Token t = recognizer.getCurrentToken();
    String tokenName = getTokenErrorDisplay(t);
    String msg = "Unexpected input " + ColorMessage.bold(tokenName);
    recognizer.notifyErrorListeners(t, msg, null);
}

Example 8 with NotNull

use of org.antlr.v4.runtime.misc.NotNull in project antlr4 by tunnelvisionlabs.

the class ParserATNFactory method _createATN.

protected void _createATN(@NotNull Collection<Rule> rules) {
    createRuleStartAndStopATNStates();
    GrammarASTAdaptor adaptor = new GrammarASTAdaptor();
    for (Rule r : rules) {
        // find rule's block
        GrammarAST blk = (GrammarAST) r.ast.getFirstChildWithType(ANTLRParser.BLOCK);
        CommonTreeNodeStream nodes = new CommonTreeNodeStream(adaptor, blk);
        ATNBuilder b = new ATNBuilder(nodes, this);
        try {
            setCurrentRuleName(r.name);
            Handle h = b.ruleBlock(null);
            rule(r.ast, r.name, h);
        } catch (RecognitionException re) {
            ErrorManager.fatalInternalError("bad grammar AST structure", re);
        }
    }
}

Example 9 with NotNull

use of org.antlr.v4.runtime.misc.NotNull in project antlr4 by tunnelvisionlabs.

the class ParserATNFactory method set.

/**
 * From set build single edge graph {@code o->o-set->o}.  To conform to
 *  what an alt block looks like, must have extra state on left.
 *  This also handles {@code ~A}, converted to {@code ~{A}} set.
 */
@NotNull
@Override
public Handle set(@NotNull GrammarAST associatedAST, @NotNull List<GrammarAST> terminals, boolean invert) {
    ATNState left = newState(associatedAST);
    ATNState right = newState(associatedAST);
    IntervalSet set = new IntervalSet();
    for (GrammarAST t : terminals) {
        int ttype = g.getTokenType(t.getText());
        set.add(ttype);
    }
    if (invert) {
        left.addTransition(new NotSetTransition(right, set));
    } else {
        left.addTransition(new SetTransition(right, set));
    }
    associatedAST.atnState = left;
    return new Handle(left, right);
}

Example 10 with NotNull

use of org.antlr.v4.runtime.misc.NotNull in project antlr4 by tunnelvisionlabs.

the class ParserATNFactory method newState.

@NotNull
public ATNState newState(@Nullable GrammarAST node) {
    ATNState n = new BasicState();
    n.setRuleIndex(currentRule.index);
    atn.addState(n);
    return n;
}