1 files changed, 10 insertions, 1 deletions

diff --git a/Stochastic/hu.bme.mit.inf.dslreasoner.faulttree.components/src/hu/bme/mit/inf/dslreasoner/faulttree/components/scoping/CftLanguageScopeProvider.xtend b/Stochastic/hu.bme.mit.inf.dslreasoner.faulttree.components/src/hu/bme/mit/inf/dslreasoner/faulttree/components/scoping/CftLanguageScopeProvider.xtend
index e95d8c91..f295f116 100644
--- a/Stochastic/hu.bme.mit.inf.dslreasoner.faulttree.components/src/hu/bme/mit/inf/dslreasoner/faulttree/components/scoping/CftLanguageScopeProvider.xtend
+++ b/Stochastic/hu.bme.mit.inf.dslreasoner.faulttree.components/src/hu/bme/mit/inf/dslreasoner/faulttree/components/scoping/CftLanguageScopeProvider.xtend
@@ -11,6 +11,7 @@ import hu.bme.mit.inf.dslreasoner.faulttree.components.cftLanguage.LookupDefinit
 import hu.bme.mit.inf.dslreasoner.faulttree.components.cftLanguage.MappingDefinition
 import hu.bme.mit.inf.dslreasoner.faulttree.components.cftLanguage.TransformationDefinition
 import hu.bme.mit.inf.dslreasoner.faulttree.components.cftLanguage.Variable
+import hu.bme.mit.inf.dslreasoner.faulttree.components.cftLanguage.impl.MappingDefinitionImpl
 import hu.bme.mit.inf.dslreasoner.faulttree.model.cft.ComponentDefinition
 import org.eclipse.emf.common.notify.Notifier
 import org.eclipse.emf.ecore.EObject
@@ -68,7 +69,7 @@ class CftLanguageScopeProvider extends AbstractCftLanguageScopeProvider {
                 Iterable<? extends MappingDefinition> ruleDefinitions) {
                 val mappingDefinitionDescriptions = Lists.newArrayListWithExpectedSize(ruleDefinitions.size)
                 for (ruleDefinition : ruleDefinitions) {
-                        val pattern = ruleDefinition?.pattern
+                        val pattern = ruleDefinition.safelyGetPattern
                         if (pattern !== null) {
                                 val patternName = resourceDescriptions.getExportedObjectsByObject(pattern).head?.qualifiedName
                                 if (patternName !== null) {
@@ -79,6 +80,14 @@ class CftLanguageScopeProvider extends AbstractCftLanguageScopeProvider {
                 }
                 mappingDefinitionDescriptions
         }
+        
+        private def safelyGetPattern(MappingDefinition mappingDefinition) {
+                switch (mappingDefinition) {
+                        MappingDefinitionImpl: mappingDefinition.basicGetPattern
+                        case null: null
+                        default: mappingDefinition.pattern
+                }
+        }
 
         private def getResourceDescriptions(Notifier notifier) {
                 val resourceSet = EcoreUtil2.getResourceSet(notifier)