Examples with Keyword org.eclipse.xtext.Keyword used on opensource projects

Example 46 with Keyword

use of org.eclipse.xtext.Keyword in project xtext-eclipse by eclipse.

the class ParameterContextInformationProvider method getParameterListOffset.

protected int getParameterListOffset(XExpression containerCall) {
    List<XExpression> arguments = getArguments(containerCall);
    if (arguments.isEmpty()) {
        Keyword parameterListOpenParenthesis = getParameterListOpenParenthesis(containerCall);
        for (ILeafNode leafNode : NodeModelUtils.findActualNodeFor(containerCall).getLeafNodes()) {
            if (leafNode.getGrammarElement() == parameterListOpenParenthesis) {
                return leafNode.getEndOffset();
            }
        }
        int offset = 0;
        for (INode node : NodeModelUtils.findNodesForFeature(containerCall, getCalledFeatureReference(containerCall))) offset = Math.max(offset, node.getEndOffset());
        return offset;
    } else {
        INode node = NodeModelUtils.findActualNodeFor(arguments.get(0));
        return node.getOffset();
    }
}

Example 47 with Keyword

use of org.eclipse.xtext.Keyword in project xtext-eclipse by eclipse.

the class XtextLocationInFileProviderTest method testKeywordLocation.

@Test
public void testKeywordLocation() {
    Keyword keyword = (Keyword) grammar.getRules().get(0).getAlternatives();
    ITextRegion region = locationInFileProvider.getFullTextRegion(keyword);
    String fullRegion = grammarText.substring(region.getOffset(), region.getOffset() + region.getLength());
    assertEquals("'keyword'*", fullRegion);
    region = locationInFileProvider.getSignificantTextRegion(keyword);
    String significantRegion = grammarText.substring(region.getOffset(), region.getOffset() + region.getLength());
    assertEquals("'keyword'*", significantRegion);
}

Example 48 with Keyword

use of org.eclipse.xtext.Keyword in project xtext-eclipse by eclipse.

the class GrammarAccessExtensions method toStringLiteral.

public CharSequence toStringLiteral(final AbstractElement it) {
    CharSequence _switchResult = null;
    boolean _matched = false;
    if (it instanceof RuleCall) {
        AbstractRule _rule = ((RuleCall) it).getRule();
        boolean _tripleNotEquals = (_rule != null);
        if (_tripleNotEquals) {
            _matched = true;
            StringConcatenation _builder = new StringConcatenation();
            _builder.append("\"");
            String _name = ((RuleCall) it).getRule().getName();
            _builder.append(_name);
            _builder.append("\"");
            _switchResult = _builder;
        }
    }
    if (!_matched) {
        if (it instanceof Keyword) {
            _matched = true;
            StringConcatenation _builder = new StringConcatenation();
            _builder.append("\"");
            String _stringInAntlrAction = AntlrGrammarGenUtil.toStringInAntlrAction(((Keyword) it).getValue());
            _builder.append(_stringInAntlrAction);
            _builder.append("\"");
            _switchResult = _builder;
        }
    }
    if (!_matched) {
        _switchResult = "null";
    }
    return _switchResult;
}

Example 49 with Keyword

use of org.eclipse.xtext.Keyword in project n4js by eclipse.

the class ContentAssistTokenTypeMapper method getInternalTokenType.

/**
 * Converts a grammar element to an Antlr token type (int).
 */
public int getInternalTokenType(EObject grammarElement) {
    Integer type = grammarElements.get(grammarElement);
    if (type == null) {
        if (grammarElement instanceof Keyword) {
            String keyword = ((Keyword) grammarElement).getValue();
            type = tokenTypes.get("'" + keyword + "'");
        } else if (grammarElement instanceof RuleCall) {
            AbstractRule rule = ((RuleCall) grammarElement).getRule();
            type = tokenTypes.get("RULE_" + rule.getName().toUpperCase());
        } else if (grammarElement instanceof AbstractRule) {
            AbstractRule rule = (AbstractRule) grammarElement;
            type = tokenTypes.get("RULE_" + rule.getName().toUpperCase());
        } else if (grammarElement instanceof EnumLiteralDeclaration) {
            String keyword = ((EnumLiteralDeclaration) grammarElement).getLiteral().getValue();
            type = tokenTypes.get("'" + keyword + "'");
        } else if (grammarElement instanceof CrossReference) {
            type = getInternalTokenType(((CrossReference) grammarElement).getTerminal());
        } else {
            throw new IllegalArgumentException(String.valueOf(grammarElement));
        }
        grammarElements.put(grammarElement, type);
    }
    return type;
}

Example 50 with Keyword

use of org.eclipse.xtext.Keyword in project n4js by eclipse.

the class TokenTypeRewriter method rewriteKeywords.

private static void rewriteKeywords(AbstractRule rule, N4JSKeywords keywords, ImmutableMap.Builder<AbstractElement, Integer> builder) {
    for (EObject obj : EcoreUtil2.eAllContents(rule.getAlternatives())) {
        if (obj instanceof Keyword) {
            Keyword keyword = (Keyword) obj;
            Integer type = keywords.getTokenType(keyword);
            if (type != null) {
                if (keyword.eContainer() instanceof EnumLiteralDeclaration) {
                    builder.put((AbstractElement) keyword.eContainer(), type);
                } else {
                    builder.put(keyword, type);
                }
            }
        }
    }
}