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

Example 1 with ParameterReference

use of org.eclipse.xtext.ParameterReference in project xtext-core by eclipse.

the class XtextLinkerTest method testGuardLinking.

@Test
public void testGuardLinking() throws Exception {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("grammar test.Lang with org.eclipse.xtext.common.Terminals");
    _builder.newLine();
    _builder.append("generate test \'http://test\'");
    _builder.newLine();
    _builder.append("Root<MyArg>: <MyArg> name=ID | <!MyArg> name=STRING;");
    _builder.newLine();
    final String grammarAsString = _builder.toString();
    EObject _model = this.getModel(grammarAsString);
    final Grammar grammar = ((Grammar) _model);
    AbstractRule _head = IterableExtensions.<AbstractRule>head(grammar.getRules());
    final ParserRule rootRule = ((ParserRule) _head);
    AbstractElement _alternatives = rootRule.getAlternatives();
    final Alternatives alternatives = ((Alternatives) _alternatives);
    AbstractElement _head_1 = IterableExtensions.<AbstractElement>head(alternatives.getElements());
    Condition _guardCondition = ((Group) _head_1).getGuardCondition();
    final ParameterReference firstGuard = ((ParameterReference) _guardCondition);
    Assert.assertEquals(IterableExtensions.<Parameter>head(rootRule.getParameters()), firstGuard.getParameter());
    AbstractElement _last = IterableExtensions.<AbstractElement>last(alternatives.getElements());
    Condition _guardCondition_1 = ((Group) _last).getGuardCondition();
    final Negation secondGuard = ((Negation) _guardCondition_1);
    Condition _value = secondGuard.getValue();
    Assert.assertEquals(IterableExtensions.<Parameter>head(rootRule.getParameters()), ((ParameterReference) _value).getParameter());
}

Example 2 with ParameterReference

use of org.eclipse.xtext.ParameterReference in project xtext-core by eclipse.

the class XtextSemanticSequencer method sequence.

@Override
public void sequence(ISerializationContext context, EObject semanticObject) {
    EPackage epackage = semanticObject.eClass().getEPackage();
    ParserRule rule = context.getParserRule();
    Action action = context.getAssignedAction();
    Set<Parameter> parameters = context.getEnabledBooleanParameters();
    if (epackage == XtextPackage.eINSTANCE)
        switch(semanticObject.eClass().getClassifierID()) {
            case XtextPackage.ACTION:
                if (rule == grammarAccess.getAlternativesRule() || action == grammarAccess.getAlternativesAccess().getAlternativesElementsAction_1_0() || rule == grammarAccess.getConditionalBranchRule() || rule == grammarAccess.getUnorderedGroupRule() || action == grammarAccess.getUnorderedGroupAccess().getUnorderedGroupElementsAction_1_0() || rule == grammarAccess.getGroupRule() || action == grammarAccess.getGroupAccess().getGroupElementsAction_1_0() || rule == grammarAccess.getAbstractTokenRule() || rule == grammarAccess.getAbstractTokenWithCardinalityRule() || rule == grammarAccess.getAbstractTerminalRule() || rule == grammarAccess.getParenthesizedElementRule()) {
                    sequence_AbstractTokenWithCardinality_Action(context, (Action) semanticObject);
                    return;
                } else if (rule == grammarAccess.getActionRule()) {
                    sequence_Action(context, (Action) semanticObject);
                    return;
                } else
                    break;
            case XtextPackage.ALTERNATIVES:
                if (rule == grammarAccess.getAlternativesRule() || action == grammarAccess.getAlternativesAccess().getAlternativesElementsAction_1_0() || rule == grammarAccess.getConditionalBranchRule() || rule == grammarAccess.getUnorderedGroupRule() || action == grammarAccess.getUnorderedGroupAccess().getUnorderedGroupElementsAction_1_0() || rule == grammarAccess.getGroupRule() || action == grammarAccess.getGroupAccess().getGroupElementsAction_1_0() || rule == grammarAccess.getAbstractTokenRule() || rule == grammarAccess.getAbstractTokenWithCardinalityRule() || rule == grammarAccess.getAbstractTerminalRule() || rule == grammarAccess.getParenthesizedElementRule()) {
                    sequence_AbstractTokenWithCardinality_Alternatives(context, (Alternatives) semanticObject);
                    return;
                } else if (rule == grammarAccess.getAssignableTerminalRule() || rule == grammarAccess.getParenthesizedAssignableElementRule() || rule == grammarAccess.getAssignableAlternativesRule() || action == grammarAccess.getAssignableAlternativesAccess().getAlternativesElementsAction_1_0()) {
                    sequence_AssignableAlternatives(context, (Alternatives) semanticObject);
                    return;
                } else if (rule == grammarAccess.getEnumLiteralsRule()) {
                    sequence_EnumLiterals(context, (Alternatives) semanticObject);
                    return;
                } else if (rule == grammarAccess.getTerminalAlternativesRule() || action == grammarAccess.getTerminalAlternativesAccess().getAlternativesElementsAction_1_0() || rule == grammarAccess.getTerminalGroupRule() || action == grammarAccess.getTerminalGroupAccess().getGroupElementsAction_1_0() || rule == grammarAccess.getTerminalTokenRule() || rule == grammarAccess.getTerminalTokenElementRule() || rule == grammarAccess.getParenthesizedTerminalElementRule()) {
                    sequence_TerminalAlternatives_TerminalToken(context, (Alternatives) semanticObject);
                    return;
                } else
                    break;
            case XtextPackage.ANNOTATION:
                sequence_Annotation(context, (Annotation) semanticObject);
                return;
            case XtextPackage.ASSIGNMENT:
                if (rule == grammarAccess.getAlternativesRule() || action == grammarAccess.getAlternativesAccess().getAlternativesElementsAction_1_0() || rule == grammarAccess.getConditionalBranchRule() || rule == grammarAccess.getUnorderedGroupRule() || action == grammarAccess.getUnorderedGroupAccess().getUnorderedGroupElementsAction_1_0() || rule == grammarAccess.getGroupRule() || action == grammarAccess.getGroupAccess().getGroupElementsAction_1_0() || rule == grammarAccess.getAbstractTokenRule() || rule == grammarAccess.getAbstractTokenWithCardinalityRule() || rule == grammarAccess.getAbstractTerminalRule() || rule == grammarAccess.getParenthesizedElementRule()) {
                    sequence_AbstractTokenWithCardinality_Assignment(context, (Assignment) semanticObject);
                    return;
                } else if (rule == grammarAccess.getAssignmentRule()) {
                    sequence_Assignment(context, (Assignment) semanticObject);
                    return;
                } else
                    break;
            case XtextPackage.CHARACTER_RANGE:
                if (rule == grammarAccess.getCharacterRangeRule()) {
                    sequence_CharacterRange(context, (CharacterRange) semanticObject);
                    return;
                } else if (rule == grammarAccess.getTerminalAlternativesRule() || action == grammarAccess.getTerminalAlternativesAccess().getAlternativesElementsAction_1_0() || rule == grammarAccess.getTerminalGroupRule() || action == grammarAccess.getTerminalGroupAccess().getGroupElementsAction_1_0() || rule == grammarAccess.getTerminalTokenRule() || rule == grammarAccess.getTerminalTokenElementRule() || rule == grammarAccess.getParenthesizedTerminalElementRule()) {
                    sequence_CharacterRange_TerminalToken(context, (CharacterRange) semanticObject);
                    return;
                } else
                    break;
            case XtextPackage.CONJUNCTION:
                sequence_Conjunction(context, (Conjunction) semanticObject);
                return;
            case XtextPackage.CROSS_REFERENCE:
                sequence_CrossReference(context, (CrossReference) semanticObject);
                return;
            case XtextPackage.DISJUNCTION:
                sequence_Disjunction(context, (Disjunction) semanticObject);
                return;
            case XtextPackage.EOF:
                if (rule == grammarAccess.getEOFRule()) {
                    sequence_EOF(context, (EOF) semanticObject);
                    return;
                } else if (rule == grammarAccess.getTerminalAlternativesRule() || action == grammarAccess.getTerminalAlternativesAccess().getAlternativesElementsAction_1_0() || rule == grammarAccess.getTerminalGroupRule() || action == grammarAccess.getTerminalGroupAccess().getGroupElementsAction_1_0() || rule == grammarAccess.getTerminalTokenRule() || rule == grammarAccess.getTerminalTokenElementRule() || rule == grammarAccess.getParenthesizedTerminalElementRule()) {
                    sequence_EOF_TerminalToken(context, (EOF) semanticObject);
                    return;
                } else
                    break;
            case XtextPackage.ENUM_LITERAL_DECLARATION:
                sequence_EnumLiteralDeclaration(context, (EnumLiteralDeclaration) semanticObject);
                return;
            case XtextPackage.ENUM_RULE:
                sequence_EnumRule(context, (EnumRule) semanticObject);
                return;
            case XtextPackage.GENERATED_METAMODEL:
                sequence_GeneratedMetamodel(context, (GeneratedMetamodel) semanticObject);
                return;
            case XtextPackage.GRAMMAR:
                sequence_Grammar(context, (Grammar) semanticObject);
                return;
            case XtextPackage.GROUP:
                if (rule == grammarAccess.getAlternativesRule() || action == grammarAccess.getAlternativesAccess().getAlternativesElementsAction_1_0() || rule == grammarAccess.getConditionalBranchRule() || rule == grammarAccess.getUnorderedGroupRule() || action == grammarAccess.getUnorderedGroupAccess().getUnorderedGroupElementsAction_1_0() || rule == grammarAccess.getGroupRule() || action == grammarAccess.getGroupAccess().getGroupElementsAction_1_0() || rule == grammarAccess.getAbstractTokenRule() || rule == grammarAccess.getAbstractTokenWithCardinalityRule() || rule == grammarAccess.getAbstractTerminalRule() || rule == grammarAccess.getParenthesizedElementRule()) {
                    sequence_AbstractTokenWithCardinality_ConditionalBranch_Group_PredicatedGroup(context, (Group) semanticObject);
                    return;
                } else if (rule == grammarAccess.getPredicatedGroupRule()) {
                    sequence_PredicatedGroup(context, (Group) semanticObject);
                    return;
                } else if (rule == grammarAccess.getTerminalAlternativesRule() || action == grammarAccess.getTerminalAlternativesAccess().getAlternativesElementsAction_1_0() || rule == grammarAccess.getTerminalGroupRule() || action == grammarAccess.getTerminalGroupAccess().getGroupElementsAction_1_0() || rule == grammarAccess.getTerminalTokenRule() || rule == grammarAccess.getTerminalTokenElementRule() || rule == grammarAccess.getParenthesizedTerminalElementRule()) {
                    sequence_TerminalGroup_TerminalToken(context, (Group) semanticObject);
                    return;
                } else
                    break;
            case XtextPackage.KEYWORD:
                if (rule == grammarAccess.getAlternativesRule() || action == grammarAccess.getAlternativesAccess().getAlternativesElementsAction_1_0() || rule == grammarAccess.getConditionalBranchRule() || rule == grammarAccess.getUnorderedGroupRule() || action == grammarAccess.getUnorderedGroupAccess().getUnorderedGroupElementsAction_1_0() || rule == grammarAccess.getGroupRule() || action == grammarAccess.getGroupAccess().getGroupElementsAction_1_0() || rule == grammarAccess.getAbstractTokenRule() || rule == grammarAccess.getAbstractTokenWithCardinalityRule() || rule == grammarAccess.getAbstractTerminalRule() || rule == grammarAccess.getParenthesizedElementRule()) {
                    sequence_AbstractTokenWithCardinality_Keyword_PredicatedKeyword(context, (Keyword) semanticObject);
                    return;
                } else if (rule == grammarAccess.getKeywordRule() || rule == grammarAccess.getAssignableTerminalRule() || rule == grammarAccess.getParenthesizedAssignableElementRule() || rule == grammarAccess.getAssignableAlternativesRule() || action == grammarAccess.getAssignableAlternativesAccess().getAlternativesElementsAction_1_0() || rule == grammarAccess.getCrossReferenceableTerminalRule() || rule == grammarAccess.getCharacterRangeRule() || action == grammarAccess.getCharacterRangeAccess().getCharacterRangeLeftAction_1_0()) {
                    sequence_Keyword(context, (Keyword) semanticObject);
                    return;
                } else if (rule == grammarAccess.getTerminalAlternativesRule() || action == grammarAccess.getTerminalAlternativesAccess().getAlternativesElementsAction_1_0() || rule == grammarAccess.getTerminalGroupRule() || action == grammarAccess.getTerminalGroupAccess().getGroupElementsAction_1_0() || rule == grammarAccess.getTerminalTokenRule() || rule == grammarAccess.getTerminalTokenElementRule() || rule == grammarAccess.getParenthesizedTerminalElementRule()) {
                    sequence_Keyword_TerminalToken(context, (Keyword) semanticObject);
                    return;
                } else if (rule == grammarAccess.getPredicatedKeywordRule()) {
                    sequence_PredicatedKeyword(context, (Keyword) semanticObject);
                    return;
                } else
                    break;
            case XtextPackage.LITERAL_CONDITION:
                sequence_LiteralCondition(context, (LiteralCondition) semanticObject);
                return;
            case XtextPackage.NAMED_ARGUMENT:
                sequence_NamedArgument(context, (NamedArgument) semanticObject);
                return;
            case XtextPackage.NEGATED_TOKEN:
                if (rule == grammarAccess.getAbstractNegatedTokenRule() || rule == grammarAccess.getNegatedTokenRule()) {
                    sequence_NegatedToken(context, (NegatedToken) semanticObject);
                    return;
                } else if (rule == grammarAccess.getTerminalAlternativesRule() || action == grammarAccess.getTerminalAlternativesAccess().getAlternativesElementsAction_1_0() || rule == grammarAccess.getTerminalGroupRule() || action == grammarAccess.getTerminalGroupAccess().getGroupElementsAction_1_0() || rule == grammarAccess.getTerminalTokenRule() || rule == grammarAccess.getTerminalTokenElementRule() || rule == grammarAccess.getParenthesizedTerminalElementRule()) {
                    sequence_NegatedToken_TerminalToken(context, (NegatedToken) semanticObject);
                    return;
                } else
                    break;
            case XtextPackage.NEGATION:
                sequence_Negation(context, (Negation) semanticObject);
                return;
            case XtextPackage.PARAMETER:
                sequence_Parameter(context, (Parameter) semanticObject);
                return;
            case XtextPackage.PARAMETER_REFERENCE:
                sequence_ParameterReference(context, (ParameterReference) semanticObject);
                return;
            case XtextPackage.PARSER_RULE:
                sequence_ParserRule_RuleNameAndParams(context, (ParserRule) semanticObject);
                return;
            case XtextPackage.REFERENCED_METAMODEL:
                sequence_ReferencedMetamodel(context, (ReferencedMetamodel) semanticObject);
                return;
            case XtextPackage.RULE_CALL:
                if (rule == grammarAccess.getAlternativesRule() || action == grammarAccess.getAlternativesAccess().getAlternativesElementsAction_1_0() || rule == grammarAccess.getConditionalBranchRule() || rule == grammarAccess.getUnorderedGroupRule() || action == grammarAccess.getUnorderedGroupAccess().getUnorderedGroupElementsAction_1_0() || rule == grammarAccess.getGroupRule() || action == grammarAccess.getGroupAccess().getGroupElementsAction_1_0() || rule == grammarAccess.getAbstractTokenRule() || rule == grammarAccess.getAbstractTokenWithCardinalityRule() || rule == grammarAccess.getAbstractTerminalRule() || rule == grammarAccess.getParenthesizedElementRule()) {
                    sequence_AbstractTokenWithCardinality_PredicatedRuleCall_RuleCall(context, (RuleCall) semanticObject);
                    return;
                } else if (rule == grammarAccess.getPredicatedRuleCallRule()) {
                    sequence_PredicatedRuleCall(context, (RuleCall) semanticObject);
                    return;
                } else if (rule == grammarAccess.getRuleCallRule() || rule == grammarAccess.getAssignableTerminalRule() || rule == grammarAccess.getParenthesizedAssignableElementRule() || rule == grammarAccess.getAssignableAlternativesRule() || action == grammarAccess.getAssignableAlternativesAccess().getAlternativesElementsAction_1_0() || rule == grammarAccess.getCrossReferenceableTerminalRule()) {
                    sequence_RuleCall(context, (RuleCall) semanticObject);
                    return;
                } else if (rule == grammarAccess.getTerminalRuleCallRule()) {
                    sequence_TerminalRuleCall(context, (RuleCall) semanticObject);
                    return;
                } else if (rule == grammarAccess.getTerminalAlternativesRule() || action == grammarAccess.getTerminalAlternativesAccess().getAlternativesElementsAction_1_0() || rule == grammarAccess.getTerminalGroupRule() || action == grammarAccess.getTerminalGroupAccess().getGroupElementsAction_1_0() || rule == grammarAccess.getTerminalTokenRule() || rule == grammarAccess.getTerminalTokenElementRule() || rule == grammarAccess.getParenthesizedTerminalElementRule()) {
                    sequence_TerminalRuleCall_TerminalToken(context, (RuleCall) semanticObject);
                    return;
                } else
                    break;
            case XtextPackage.TERMINAL_RULE:
                sequence_TerminalRule(context, (TerminalRule) semanticObject);
                return;
            case XtextPackage.TYPE_REF:
                sequence_TypeRef(context, (TypeRef) semanticObject);
                return;
            case XtextPackage.UNORDERED_GROUP:
                sequence_AbstractTokenWithCardinality_UnorderedGroup(context, (UnorderedGroup) semanticObject);
                return;
            case XtextPackage.UNTIL_TOKEN:
                if (rule == grammarAccess.getTerminalAlternativesRule() || action == grammarAccess.getTerminalAlternativesAccess().getAlternativesElementsAction_1_0() || rule == grammarAccess.getTerminalGroupRule() || action == grammarAccess.getTerminalGroupAccess().getGroupElementsAction_1_0() || rule == grammarAccess.getTerminalTokenRule() || rule == grammarAccess.getTerminalTokenElementRule() || rule == grammarAccess.getParenthesizedTerminalElementRule()) {
                    sequence_TerminalToken_UntilToken(context, (UntilToken) semanticObject);
                    return;
                } else if (rule == grammarAccess.getAbstractNegatedTokenRule() || rule == grammarAccess.getUntilTokenRule()) {
                    sequence_UntilToken(context, (UntilToken) semanticObject);
                    return;
                } else
                    break;
            case XtextPackage.WILDCARD:
                if (rule == grammarAccess.getTerminalAlternativesRule() || action == grammarAccess.getTerminalAlternativesAccess().getAlternativesElementsAction_1_0() || rule == grammarAccess.getTerminalGroupRule() || action == grammarAccess.getTerminalGroupAccess().getGroupElementsAction_1_0() || rule == grammarAccess.getTerminalTokenRule() || rule == grammarAccess.getTerminalTokenElementRule() || rule == grammarAccess.getParenthesizedTerminalElementRule()) {
                    sequence_TerminalToken_Wildcard(context, (Wildcard) semanticObject);
                    return;
                } else if (rule == grammarAccess.getWildcardRule()) {
                    sequence_Wildcard(context, (Wildcard) semanticObject);
                    return;
                } else
                    break;
        }
    if (errorAcceptor != null)
        errorAcceptor.accept(diagnosticProvider.createInvalidContextOrTypeDiagnostic(semanticObject, context));
}

Example 3 with ParameterReference

use of org.eclipse.xtext.ParameterReference in project xtext-core by eclipse.

the class AntlrGrammarGenUtil method getPredicatedElement.

/**
 * @since 2.9
 */
public static AbstractElement getPredicatedElement(AbstractElement element) {
    if (element.isPredicated()) {
        return doGetPredicatedElement(element);
    }
    if (element instanceof Assignment) {
        return getPredicatedElement(((Assignment) element).getTerminal());
    }
    if (element instanceof RuleCall) {
        final RuleCall ruleCall = (RuleCall) element;
        final AbstractRule calledRule = ruleCall.getRule();
        Group group = (Group) calledRule.getAlternatives();
        AbstractElement first = group.getElements().get(0);
        AbstractElement result = getPredicatedElement(first);
        if (ruleCall.getArguments().isEmpty()) {
            return result;
        }
        EcoreUtil.Copier copier = new EcoreUtil.Copier() {

            private static final long serialVersionUID = 1L;

            @Override
            public EObject copy(EObject eObject) {
                if (eObject instanceof ParameterReference) {
                    ParameterReference paramRef = (ParameterReference) eObject;
                    Parameter parameter = paramRef.getParameter();
                    if (calledRule == GrammarUtil.containingRule(parameter)) {
                        for (NamedArgument givenArgument : ruleCall.getArguments()) {
                            if (givenArgument.getParameter() == parameter) {
                                EObject result = copy(givenArgument.getValue());
                                return result;
                            }
                        }
                        throw new IllegalStateException();
                    }
                }
                return super.copy(eObject);
            }
        };
        AbstractElement clone = (AbstractElement) copier.copy(result);
        copier.copyReferences();
        return clone;
    }
    return doGetPredicatedElement(element);
}