Java 类org.eclipse.xtext.ide.editor.contentassist.antlr.FollowElement 实例源码

项目：n4js 文件：ContentAssistContextFactory.java

@Override
protected void createContextsForLastCompleteNode(EObject previousModel, boolean strict) {
    String currentNodePrefix = getPrefix(currentNode);
    if (!Strings.isEmpty(currentNodePrefix) && !currentNode.getText().equals(currentNodePrefix)) {
        lexer.setCharStream(new ANTLRStringStream(currentNodePrefix));
        Token token = lexer.nextToken();
        if (token == Token.EOF_TOKEN) { // error case - nothing could be parsed
            return;
        }
        while (token != Token.EOF_TOKEN) {
            if (isErrorToken(token))
                return;
            token = lexer.nextToken();
        }
    }
    String prefix = "";
    Collection<FollowElement> followElements = getParser().getFollowElements(rootNode, 0, completionOffset, strict);
    doCreateContexts(lastCompleteNode, currentNode, prefix, previousModel, followElements);
}

项目：n4js 文件：ContentAssistContextFactory.java

@Override
protected void handleLastCompleteNodeIsAtEndOfDatatypeNode() {
    String prefix = getPrefix(lastCompleteNode);
    INode previousNode = getLastCompleteNodeByOffset(rootNode, lastCompleteNode.getOffset());
    EObject previousModel = previousNode.getSemanticElement();
    INode currentDatatypeNode = getContainingDatatypeRuleNode(currentNode);
    Collection<FollowElement> followElements = getParser().getFollowElements(rootNode, 0,
            lastCompleteNode.getOffset(), true);
    int prevSize = contextBuilders.size();
    doCreateContexts(previousNode, currentDatatypeNode, prefix, previousModel, followElements);

    if (lastCompleteNode instanceof ILeafNode && lastCompleteNode.getGrammarElement() == null
            && contextBuilders.size() != prevSize) {
        handleLastCompleteNodeHasNoGrammarElement(contextBuilders.subList(prevSize, contextBuilders.size()),
                previousModel);
    }
}

项目：n4js 文件：CustomN4JSParser.java

/**
 * First pass. Use the tokens that have been computed from the production parser's result and collect the follow
 * elements from those.
 */
private CustomInternalN4JSParser collectFollowElements(TokenSource tokens, boolean strict,
        Set<FollowElement> result) {
    CustomInternalN4JSParser parser = createParser();
    parser.setStrict(strict);
    try {
        ObservableXtextTokenStream tokenStream = new ObservableXtextTokenStream(tokens, parser);
        result.addAll(doGetFollowElements(parser, tokenStream));
    } catch (InfiniteRecursion infinite) {
        // this guards against erroneous infinite recovery loops in Antlr.
        // Grammar dependent and not expected something that is expected for N4JS
        // is used in the base class thus also used here.
        result.addAll(parser.getFollowElements());
    }
    return parser;
}

项目：pokemon-tcgo-deck-generator 文件：PartialPkmntcgoContentAssistParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    if (rule == null || rule.eIsProxy())
        return Collections.emptyList();
    String methodName = "entryRule" + rule.getName();
    PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
        new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
    dispatcher.invoke();
    return parser.getFollowElements();
}

项目：n4js 文件：PartialN4JSContentAssistParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    if (rule == null || rule.eIsProxy())
        return Collections.emptyList();
    String methodName = "entryRule" + rule.getName();
    PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
        new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
    dispatcher.invoke();
    return parser.getFollowElements();
}

项目：n4js 文件：N4JSParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    try {
        InternalN4JSParser typedParser = (InternalN4JSParser) parser;
        typedParser.entryRuleScript();
        return typedParser.getFollowElements();
    } catch(RecognitionException ex) {
        throw new RuntimeException(ex);
    }
}

项目：n4js 文件：PatchedFollowElementComputer.java

@Override
public void computeFollowElements(Collection<FollowElement> followElements,
        final Collection<AbstractElement> result) {
    computeFollowElements(followElements, new IFollowElementAcceptor() {
        @Override
        public void accept(AbstractElement element) {
            result.add(element);
        }
    });
}

项目：n4js 文件：ContentAssistContextFactory.java

@Override
protected void handleLastCompleteNodeAsPartOfDatatypeNode() {
    String prefix = getPrefix(datatypeNode);
    Collection<FollowElement> followElements = getParser().getFollowElements(rootNode, 0, datatypeNode.getOffset(),
            true);
    INode lastCompleteNodeBeforeDatatype = getLastCompleteNodeByOffset(rootNode, datatypeNode.getTotalOffset());
    doCreateContexts(lastCompleteNodeBeforeDatatype, datatypeNode, prefix, currentModel, followElements);
}

项目：n4js 文件：CustomN4JSParser.java

/**
 * @param node
 *            the root node of the model to parse
 * @param startOffset
 *            the start offset to consider
 * @param endOffset
 *            the exclusive end offset
 * @param strict
 *            if true the parser will not use error recovery on the very last token of the input.
 * @return a collection of follow elements.
 */
public Collection<FollowElement> getFollowElements(INode node, int startOffset, int endOffset, boolean strict) {
    Set<FollowElement> result = Sets.newLinkedHashSet();

    TokenSource tokenSource = tokenSourceFactory.toTokenSource(node, startOffset, endOffset);
    CustomInternalN4JSParser parser = collectFollowElements(tokenSource, strict, result);
    adjustASIAndCollectFollowElements(parser, strict, result);

    /*
     * Lists are easier to debug
     */
    return Lists.newArrayList(result);
}

项目：n4js 文件：CustomN4JSParser.java

/**
 * The second pass over the given input. If the input ends with an ASI, the semicolon is removed and it is parsed
 * again since the production may have skipped the ASI if more input was present. Same applies for the opposite
 * direction, e.g if it does not end with an ASI but the prev token suggests that there may have been a semicolon,
 * it is inserted.
 */
private void adjustASIAndCollectFollowElements(CustomInternalN4JSParser previousParser, boolean strict,
        Set<FollowElement> result) {
    ObservableXtextTokenStream tokens = (ObservableXtextTokenStream) previousParser.getTokenStream();
    int lastTokenIndex = tokens.size() - 1;
    if (lastTokenIndex >= 0) {
        CommonToken lastToken = (CommonToken) tokens.LT(-1);
        @SuppressWarnings("unchecked")
        List<Token> tokenList = tokens.getTokens();
        if (lastToken == null) {
            return; // TODO ask Sebastian why and how this can happen... it happens!
        }

        if (shouldSkipASI(lastToken)) {
            // Some statements may not span multiple lines, e.g between the return keyword
            // and the returned expression, there may not be an ASI. Filter these locations.
            if (maySkipASI(lastToken, tokens)) {
                tokenList.remove(lastTokenIndex);
                result.addAll(resetAndGetFollowElements(tokens, strict));
                // If a postfix operator sneaked into the result, remove it since
                // we'd have produce an ASI before that
                removePostfixOperator(result);
            }
        } else if (shouldAddSyntheticSemicolon(previousParser, lastTokenIndex, lastToken)) {
            CommonToken token = new CommonToken(semi);
            tokenList.add(token);
            result.addAll(resetAndGetFollowElements(tokens, strict));
            // Same here, if we had added an ASI, the postfix operator would be rendered
            // invalid, remove it.
            removePostfixOperator(result);
        }
    }
}

项目：n4js 文件：CustomN4JSParser.java

/**
 * Filter all follow elements that point to a postfix operator.
 */
private void removePostfixOperator(Set<FollowElement> result) {
    Iterator<FollowElement> iter = result.iterator();
    while (iter.hasNext()) {
        FollowElement fe = iter.next();
        if (postfixGroup == fe.getGrammarElement()) {
            iter.remove();
        }
    }
}

项目：n4js 文件：CustomN4JSParser.java

/**
 * Create a fresh parser instance and process the tokens for a second pass.
 */
private Collection<FollowElement> resetAndGetFollowElements(ObservableXtextTokenStream tokens, boolean strict) {
    CustomInternalN4JSParser parser = createParser();
    parser.setStrict(strict);
    tokens.reset();
    return doGetFollowElements(parser, tokens);
}

项目：n4js 文件：CustomN4JSParser.java

/**
 * Initialize the parser properly with the given tokens and process it.
 */
private Collection<FollowElement> doGetFollowElements(AbstractInternalContentAssistParser parser,
        ObservableXtextTokenStream tokens) {
    tokens.setInitialHiddenTokens(getInitialHiddenTokens());
    parser.setTokenStream(tokens);
    IUnorderedGroupHelper helper = getUnorderedGroupHelper().get();
    parser.setUnorderedGroupHelper(helper);
    helper.initializeWith(parser);
    tokens.setListener(parser);
    Collection<FollowElement> followElements = getFollowElements(parser);
    return followElements;
}

项目：n4js 文件：PartialRegularExpressionContentAssistParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    if (rule == null || rule.eIsProxy())
        return Collections.emptyList();
    String methodName = "entryRule" + rule.getName();
    PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
        new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
    dispatcher.invoke();
    return parser.getFollowElements();
}

项目：n4js 文件：PartialN4MFContentAssistParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    if (rule == null || rule.eIsProxy())
        return Collections.emptyList();
    String methodName = "entryRule" + rule.getName();
    PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
        new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
    dispatcher.invoke();
    return parser.getFollowElements();
}

项目：n4js 文件：PartialTypesContentAssistParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    if (rule == null || rule.eIsProxy())
        return Collections.emptyList();
    String methodName = "entryRule" + rule.getName();
    PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
        new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
    dispatcher.invoke();
    return parser.getFollowElements();
}

项目：Xtext_Xtend_HTML_Generator 文件：MyDslParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    try {
        InternalMyDslParser typedParser = (InternalMyDslParser) parser;
        typedParser.entryRuleMensamodel();
        return typedParser.getFollowElements();
    } catch(RecognitionException ex) {
        throw new RuntimeException(ex);
    }
}

项目：Xtext_Xtend_HTML_Generator 文件：PartialMyDslContentAssistParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    if (rule == null || rule.eIsProxy())
        return Collections.emptyList();
    String methodName = "entryRule" + rule.getName();
    PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
        new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
    dispatcher.invoke();
    return parser.getFollowElements();
}

项目：bromium 文件：PartialBromiumContentAssistParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    if (rule == null || rule.eIsProxy())
        return Collections.emptyList();
    String methodName = "entryRule" + rule.getName();
    PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
        new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
    dispatcher.invoke();
    return parser.getFollowElements();
}

项目：gw4e.project 文件：PartialDSLPoliciesContentAssistParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    if (rule == null || rule.eIsProxy())
        return Collections.emptyList();
    String methodName = "entryRule" + rule.getName();
    PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
        new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
    dispatcher.invoke();
    return parser.getFollowElements();
}

项目：lcdsl 文件：PartialLcDslContentAssistParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    if (rule == null || rule.eIsProxy())
        return Collections.emptyList();
    String methodName = "entryRule" + rule.getName();
    PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
        new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
    dispatcher.invoke();
    return parser.getFollowElements();
}

项目：gemoc-studio 文件：PartialDslContentAssistParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    if (rule == null || rule.eIsProxy())
        return Collections.emptyList();
    String methodName = "entryRule" + rule.getName();
    PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
        new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
    dispatcher.invoke();
    return parser.getFollowElements();
}

项目：org.xtext.dsl.restaurante 文件：PartialRestauranteContentAssistParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    if (rule == null || rule.eIsProxy())
        return Collections.emptyList();
    String methodName = "entryRule" + rule.getName();
    PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
        new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
    dispatcher.invoke();
    return parser.getFollowElements();
}

项目：OCCI-Studio 文件：PartialOCCIContentAssistParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    if (rule == null || rule.eIsProxy())
        return Collections.emptyList();
    String methodName = "entryRule" + rule.getName();
    PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
        new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
    dispatcher.invoke();
    return parser.getFollowElements();
}

项目：xtext-extras 文件：PartialPureXbaseContentAssistParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    if (rule == null || rule.eIsProxy())
        return Collections.emptyList();
    String methodName = "entryRule" + rule.getName();
    PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
        new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
    dispatcher.invoke();
    return parser.getFollowElements();
}

项目：M2Doc 文件：PartialMyDslContentAssistParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    if (rule == null || rule.eIsProxy())
        return Collections.emptyList();
    String methodName = "entryRule" + rule.getName();
    PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
        new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
    dispatcher.invoke();
    return parser.getFollowElements();
}

项目：minitl 文件：MinitlParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    try {
        InternalMinitlParser typedParser = (InternalMinitlParser) parser;
        typedParser.entryRuleTransformation();
        return typedParser.getFollowElements();
    } catch(RecognitionException ex) {
        throw new RuntimeException(ex);
    }
}

项目：minitl 文件：PartialMinitlContentAssistParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    if (rule == null || rule.eIsProxy())
        return Collections.emptyList();
    String methodName = "entryRule" + rule.getName();
    PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
        new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
    dispatcher.invoke();
    return parser.getFollowElements();
}

项目：xtext-core 文件：AbstractParserTest.java

private void assertFollowers(String input, Set<AbstractElement> expected) throws RecognitionException {
        Collection<FollowElement> followSet = getFollowSet(input);
//      Collection<FollowElement> followList = com.google.common.collect.Lists.newArrayList(getFollowSet(input));
        assertEquals(expected.size(), followSet.size());
        Set<AbstractElement> grammarElements = computeSearchElements(followSet);
//      Collection<AbstractElement> followElementList = com.google.common.collect.Lists.newArrayList(grammarElements);
        assertEquals(expected, grammarElements);
    }

项目：xtext-core 文件：AbstractParserTest.java

private Set<AbstractElement> computeSearchElements(Collection<FollowElement> followSet) {
    return  Sets.newHashSet(
            Iterables.transform(followSet, new Function<FollowElement, AbstractElement>(){
                @Override
                public AbstractElement apply(FollowElement from) {
                    return from.getGrammarElement();
                }
            }));
}

项目：xtext-core 文件：PartialTestLanguageContentAssistParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    if (rule == null || rule.eIsProxy())
        return Collections.emptyList();
    String methodName = "entryRule" + rule.getName();
    PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
        new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
    dispatcher.invoke();
    return parser.getFollowElements();
}

项目：xtext-core 文件：PartialPartialContentAssistTestLanguageContentAssistParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    if (rule == null || rule.eIsProxy())
        return Collections.emptyList();
    String methodName = "entryRule" + rule.getName();
    PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
        new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
    dispatcher.invoke();
    return parser.getFollowElements();
}

项目：xtext-core 文件：PartialIndentationAwareUiTestLanguageContentAssistParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    if (rule == null || rule.eIsProxy())
        return Collections.emptyList();
    String methodName = "entryRule" + rule.getName();
    PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
        new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
    dispatcher.invoke();
    return parser.getFollowElements();
}

项目：xtext-core 文件：PartialPartialSerializationTestLanguageContentAssistParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    if (rule == null || rule.eIsProxy())
        return Collections.emptyList();
    String methodName = "entryRule" + rule.getName();
    PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
        new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
    dispatcher.invoke();
    return parser.getFollowElements();
}

项目：xtext-core 文件：PartialXtextContentAssistParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    if (rule == null || rule.eIsProxy())
        return Collections.emptyList();
    String methodName = "entryRule" + rule.getName();
    PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
        new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
    dispatcher.invoke();
    return parser.getFollowElements();
}

项目：xtext-core 文件：PartialFileAwareTestLanguageContentAssistParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    if (rule == null || rule.eIsProxy())
        return Collections.emptyList();
    String methodName = "entryRule" + rule.getName();
    PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
        new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
    dispatcher.invoke();
    return parser.getFollowElements();
}

项目：xtext-core 文件：PartialXtextGrammarTestLanguageContentAssistParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    if (rule == null || rule.eIsProxy())
        return Collections.emptyList();
    String methodName = "entryRule" + rule.getName();
    PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
        new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
    dispatcher.invoke();
    return parser.getFollowElements();
}

项目：xtext-core 文件：PartialNoJdtTestLanguageContentAssistParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    if (rule == null || rule.eIsProxy())
        return Collections.emptyList();
    String methodName = "entryRule" + rule.getName();
    PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
        new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
    dispatcher.invoke();
    return parser.getFollowElements();
}

项目：Sparrow 文件：PartialModelEditorContentAssistParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    if (rule == null || rule.eIsProxy())
        return Collections.emptyList();
    String methodName = "entryRule" + rule.getName();
    PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
        new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
    dispatcher.invoke();
    return parser.getFollowElements();
}

项目：Sparrow 文件：ModelEditorParser.java

@Override
protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
    try {
        InternalModelEditorParser typedParser = (InternalModelEditorParser) parser;
        typedParser.entryRuleModel();
        return typedParser.getFollowElements();
    } catch(RecognitionException ex) {
        throw new RuntimeException(ex);
    }
}