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

Example 16 with AbstractElement

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

the class Xtext2EcoreInterpretationContext method addFeature.

public void addFeature(Assignment assignment) throws TransformationException {
    final String featureName = assignment.getFeature();
    boolean isMultivalue = GrammarUtil.isMultipleAssignment(assignment);
    boolean isContainment = true;
    EClassifierInfo featureTypeInfo;
    if (GrammarUtil.isBooleanAssignment(assignment)) {
        checkNoFragmentRuleCall(assignment.getTerminal());
        EDataType eBoolean = GrammarUtil.findEBoolean(GrammarUtil.getGrammar(assignment));
        featureTypeInfo = getEClassifierInfoOrThrowException(eBoolean, assignment);
        isMultivalue = false;
    } else {
        AbstractElement terminal = assignment.getTerminal();
        if (terminal == null) {
            throw new TransformationException(TransformationErrorCode.NoSuchTypeAvailable, "Cannot derive type from incomplete assignment.", assignment);
        }
        checkNoFragmentRuleCall(terminal);
        EClassifier type = getTerminalType(terminal);
        isContainment = isContainmentAssignment(assignment);
        featureTypeInfo = getEClassifierInfoOrThrowException(type, assignment);
    }
    addFeature(featureName, featureTypeInfo, isMultivalue, isContainment, assignment);
}

Example 17 with AbstractElement

use of org.eclipse.xtext.AbstractElement 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 18 with AbstractElement

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

the class XtextLinkerTest method testNamedParameterLinking.

@Test
public void testNamedParameterLinking() 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>: rule=Rule<MyArg>;");
    _builder.newLine();
    _builder.append("Rule<MyParam>: name=ID child=Root<MyArg=MyParam>?;");
    _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);
    AbstractRule _last = IterableExtensions.<AbstractRule>last(grammar.getRules());
    final ParserRule lastRule = ((ParserRule) _last);
    AbstractElement _alternatives = lastRule.getAlternatives();
    AbstractElement _last_1 = IterableExtensions.<AbstractElement>last(((Group) _alternatives).getElements());
    final Assignment lastAssignment = ((Assignment) _last_1);
    AbstractElement _terminal = lastAssignment.getTerminal();
    final RuleCall ruleCall = ((RuleCall) _terminal);
    final NamedArgument argument = IterableExtensions.<NamedArgument>head(ruleCall.getArguments());
    Assert.assertEquals(IterableExtensions.<Parameter>head(rootRule.getParameters()), argument.getParameter());
    Condition _value = argument.getValue();
    Assert.assertEquals(IterableExtensions.<Parameter>head(lastRule.getParameters()), ((ParameterReference) _value).getParameter());
}

Example 19 with AbstractElement

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

the class XtextLinkerTest method testQualifiedRuleCall_02.

@Test
public void testQualifiedRuleCall_02() throws Exception {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("grammar test with org.eclipse.xtext.common.Terminals");
    _builder.newLine();
    _builder.append("generate test \'http://test\'");
    _builder.newLine();
    _builder.append("Rule: name=ID;");
    _builder.newLine();
    _builder.append("terminal STRING: super;");
    _builder.newLine();
    final String grammarAsString = _builder.toString();
    final XtextResource resource = this.getResourceFromString(grammarAsString);
    EObject _get = resource.getContents().get(0);
    Grammar grammar = ((Grammar) _get);
    AbstractRule _get_1 = grammar.getRules().get(1);
    final TerminalRule string = ((TerminalRule) _get_1);
    AbstractElement _alternatives = string.getAlternatives();
    final RuleCall callToSuper = ((RuleCall) _alternatives);
    Assert.assertEquals(GrammarUtil.findRuleForName(IterableExtensions.<Grammar>head(grammar.getUsedGrammars()), "STRING"), callToSuper.getRule());
}

Example 20 with AbstractElement

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

the class PartialParsingHelper method isInvalidLastChildNode.

protected boolean isInvalidLastChildNode(ICompositeNode candidate, INode lastChild) {
    if (lastChild != null && lastChild.getSyntaxErrorMessage() != null) {
        EObject lastChildGrammarElement = lastChild.getGrammarElement();
        if (lastChildGrammarElement == null)
            return true;
        AbstractElement candidateElement = getCandidateElement(candidate.getGrammarElement());
        if (candidateElement != null) {
            if (isCalledBy(lastChildGrammarElement, candidateElement)) {
                while (candidate != null) {
                    if (candidateElement != null && hasMandatoryFollowElements(candidateElement))
                        return true;
                    candidate = candidate.getParent();
                    if (candidate != null)
                        candidateElement = getCandidateElement(candidate.getGrammarElement());
                }
            }
            return true;
        }
    }
    return false;
}