use of org.eclipse.xtext.ReferencedMetamodel in project xtext-core by eclipse.
the class Xtext2EcoreTransformer method deriveEnums.
private void deriveEnums(EnumRule rule) {
EEnum returnType = (EEnum) rule.getType().getClassifier();
if (returnType != null) {
List<EnumLiteralDeclaration> decls = EcoreUtil2.getAllContentsOfType(rule, EnumLiteralDeclaration.class);
for (EnumLiteralDeclaration decl : decls) {
if (decl.getEnumLiteral() == null) {
List<INode> nodes = NodeModelUtils.findNodesForFeature(decl, XtextPackage.Literals.ENUM_LITERAL_DECLARATION__ENUM_LITERAL);
if (!nodes.isEmpty()) {
if (nodes.size() > 1)
throw new IllegalStateException("Unexpected nodes found: " + nodes);
INode node = nodes.get(0);
String text = NodeModelUtils.getTokenText(node).replace("^", "");
EEnumLiteral literal = null;
if (rule.getType().getMetamodel() instanceof ReferencedMetamodel) {
literal = returnType.getEEnumLiteral(text);
} else {
EEnumLiteral existing = returnType.getEEnumLiteral(text);
if (existing == null) {
literal = EcoreFactory.eINSTANCE.createEEnumLiteral();
int index = returnType.getELiterals().size();
returnType.getELiterals().add(literal);
literal.setName(text);
literal.setValue(index);
if (decl.getLiteral() != null) {
literal.setLiteral(decl.getLiteral().getValue());
} else {
literal.setLiteral(text);
}
} else {
literal = existing;
}
SourceAdapter.adapt(literal, decl);
}
if (literal == null) {
reportError(new TransformationException(TransformationErrorCode.InvalidFeature, "Enum literal '" + text + "' does not exist.", decl));
} else {
decl.setEnumLiteral(literal);
}
}
}
if (decl.getLiteral() == null && decl.getEnumLiteral() != null) {
Keyword kw = XtextFactory.eINSTANCE.createKeyword();
kw.setValue(decl.getEnumLiteral().getLiteral());
decl.setLiteral(kw);
}
}
}
}
use of org.eclipse.xtext.ReferencedMetamodel in project xtext-core by eclipse.
the class Xtext2EcoreTransformer method createEClassifierInfo.
private EClassifierInfo createEClassifierInfo(TypeRef typeRef, String name) throws TransformationException {
if (eClassifierInfos.getInfo(typeRef) != null)
throw new IllegalArgumentException("Cannot create EClass for same type twice " + typeRef.getClassifier().getName());
// + GrammarUtil.getQualifiedName(typeRef));
String classifierName = GrammarUtil.getTypeRefName(typeRef);
if (classifierName == null)
classifierName = name;
if (classifierName == null)
throw new TransformationException(TransformationErrorCode.NoSuchTypeAvailable, "Cannot reference unnamed type.", typeRef);
AbstractMetamodelDeclaration metaModel = typeRef.getMetamodel();
if (metaModel == null)
throw new TransformationException(TransformationErrorCode.UnknownMetaModelAlias, "Cannot create type for " + classifierName + " because its EPackage is unknown.", typeRef);
EPackage generatedEPackage = getGeneratedEPackage(metaModel);
if (generatedEPackage == null) {
throw new TransformationException(TransformationErrorCode.CannotCreateTypeInSealedMetamodel, "Cannot create type '" + classifierName + "' in alias " + typeRef.getMetamodel().getAlias(), typeRef);
}
EClassifier classifier = generatedEPackage.getEClassifier(classifierName);
if (classifier == null) {
if (GrammarUtil.containingParserRule(typeRef) != null) {
classifier = EcoreFactory.eINSTANCE.createEClass();
} else if (GrammarUtil.containingEnumRule(typeRef) != null) {
classifier = EcoreFactory.eINSTANCE.createEEnum();
} else {
for (AbstractMetamodelDeclaration mmd : grammar.getMetamodelDeclarations()) {
if (mmd instanceof ReferencedMetamodel && mmd.getEPackage() != null && mmd.getEPackage().getNsURI().equals(EcorePackage.eNS_URI)) {
throw new TransformationException(TransformationErrorCode.NoSuchTypeAvailable, "Cannot create datatype " + classifierName, typeRef);
}
}
throw new TransformationException(TransformationErrorCode.NoSuchTypeAvailable, "Cannot create datatype " + classifierName + ". If this is supposed to return EString, make sure you have imported '" + EcorePackage.eNS_URI + "'", typeRef);
}
classifier.setName(classifierName);
generatedEPackage.getEClassifiers().add(classifier);
typeRef.setClassifier(classifier);
EClassifierInfo result;
if (classifier instanceof EClass)
result = EClassifierInfo.createEClassInfo((EClass) classifier, true, getGeneratedEPackageURIs(), GrammarUtil.getGrammar(typeRef));
else
// data-type or enum
result = EClassifierInfo.createEDataTypeInfo((EDataType) classifier, true);
if (!eClassifierInfos.addInfo(typeRef, result))
throw new IllegalStateException("cannot add type for typeRef twice: '" + classifierName + "'");
SourceAdapter.adapt(classifier, typeRef);
return result;
}
typeRef.setClassifier(classifier);
SourceAdapter.adapt(classifier, typeRef);
return eClassifierInfos.getInfo(classifier);
}
use of org.eclipse.xtext.ReferencedMetamodel in project xtext-core by eclipse.
the class Xtext2EcoreTransformerTest method testTypesOfImplicitSuperGrammar.
@Test
public void testTypesOfImplicitSuperGrammar() throws Exception {
String xtextGrammar = "grammar test with org.eclipse.xtext.common.Terminals\n" + "generate test 'http://test'\n" + "MyRule: myFeature=INT;\n";
Grammar grammar = (Grammar) getModel(xtextGrammar);
Xtext2EcoreTransformer transformer = new Xtext2EcoreTransformer(grammar);
transformer.removeGeneratedPackages();
transformer.transform();
AbstractRule rule = Iterables.getFirst(grammar.getRules(), null);
TypeRef type = rule.getType();
Assert.assertNotNull(type);
Assert.assertNotNull(transformer.getEClassifierInfos().getInfo(type));
ReferencedMetamodel referenced = (ReferencedMetamodel) GrammarUtil.allMetamodelDeclarations(grammar).get(1);
Assert.assertNotNull(referenced);
Assert.assertEquals("ecore", referenced.getAlias());
Assert.assertNull(transformer.getEClassifierInfos().getInfo(referenced, "EString"));
Assert.assertNull(transformer.getEClassifierInfos().getInfo(referenced, "EInt"));
EClassifierInfos parentInfos = Iterables.getFirst(transformer.getEClassifierInfos().getParents(), null);
Assert.assertNotNull(parentInfos.getInfo(referenced, "EString"));
Assert.assertNotNull(parentInfos.getInfo(referenced, "EInt"));
}
use of org.eclipse.xtext.ReferencedMetamodel 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));
}
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