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/*
* generated by Xtext 2.10.0
*/
package hu.bme.mit.inf.dslreasoner.application.scoping
import com.google.inject.Inject
import hu.bme.mit.inf.dslreasoner.application.applicationConfiguration.ConfigurationScript
import hu.bme.mit.inf.dslreasoner.application.applicationConfiguration.EPackageImport
import hu.bme.mit.inf.dslreasoner.application.applicationConfiguration.MetamodelElement
import hu.bme.mit.inf.dslreasoner.application.applicationConfiguration.MetamodelEntry
import hu.bme.mit.inf.dslreasoner.application.applicationConfiguration.PatternEntry
import hu.bme.mit.inf.dslreasoner.application.applicationConfiguration.ViatraImport
import org.eclipse.emf.ecore.EClass
import org.eclipse.emf.ecore.EEnum
import org.eclipse.emf.ecore.EObject
import org.eclipse.emf.ecore.EReference
import org.eclipse.viatra.query.patternlanguage.emf.vql.PatternModel
import org.eclipse.xtext.EcoreUtil2
import org.eclipse.xtext.naming.IQualifiedNameConverter
import org.eclipse.xtext.scoping.Scopes
import static hu.bme.mit.inf.dslreasoner.application.applicationConfiguration.ApplicationConfigurationPackage.Literals.*
/**
* This class contains custom scoping description.
*
* See https://www.eclipse.org/Xtext/documentation/303_runtime_concepts.html#scoping
* on how and when to use it.
*/
class ApplicationConfigurationScopeProvider extends AbstractApplicationConfigurationScopeProvider {
@Inject IQualifiedNameConverter qualifiedNameConverter
override getScope(EObject context, EReference reference) {
val document = EcoreUtil2.getContainerOfType(context, ConfigurationScript)
switch (reference) {
case METAMODEL_ENTRY__PACKAGE:
getEPackageScope(document)
case METAMODEL_ELEMENT__CLASSIFIER:
getEClassifierScope(context, document)
case METAMODEL_ELEMENT__FEATURE:
getEStructuralFeatureScope(context, reference, document)
case PATTERN_ENTRY__PACKAGE:
getViatraPackageScope(context, reference, document)
case PATTERN_ELEMENT__PATTERN:
getViatraPatternScope(context, document)
default:
super.getScope(context, reference)
}
}
private def getAllEPackages(ConfigurationScript document) {
document.imports.filter(EPackageImport).map[importedPackage].filterNull
}
private def getAllViatraPackages(ConfigurationScript document) {
document.imports.filter(ViatraImport).map[importedViatra].filterNull
}
private def getAllEClassifiers(ConfigurationScript document) {
document.allEPackages.map[EClassifiers].flatten
}
private def getAllPatterns(ConfigurationScript document) {
document.allViatraPackages.map[patterns].flatten
}
private def getEPackageScope(ConfigurationScript document) {
Scopes.scopeFor(document.allEPackages)
}
private def getEClassifierScope(EObject context, ConfigurationScript document) {
val classifiers = switch (context) {
MetamodelEntry case context.package !== null:
context.package.EClassifiers
default:
document.allEClassifiers
}
Scopes.scopeFor(classifiers)
}
private def getEStructuralFeatureScope(EObject context, EReference reference, ConfigurationScript document) {
val referredClassifier = if (context instanceof MetamodelElement) {
context.classifier
} else {
null
}
switch (referredClassifier) {
EClass:
Scopes.scopeFor(referredClassifier.EAllStructuralFeatures)
EEnum:
Scopes.scopeFor(referredClassifier.ELiterals)
default:
super.getScope(context, reference)
}
}
private def getViatraPackageScope(EObject context, EReference reference, ConfigurationScript document) {
val patternModelNameConverter = [ PatternModel patternModel |
toQualifiedNameOrNull(patternModel.packageName)
]
Scopes.scopeFor(document.allViatraPackages, patternModelNameConverter, super.getScope(context, reference))
}
private def getViatraPatternScope(EObject context, ConfigurationScript document) {
val patterns = switch (context) {
PatternEntry case context.package !== null:
context.package.patterns
default:
document.allPatterns
}
Scopes.scopeFor(patterns)
}
private def toQualifiedNameOrNull(String packageName) {
if (packageName === null) {
null
} else {
qualifiedNameConverter.toQualifiedName(packageName)
}
}
}
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