Upgrade to graphql-java 15 (#341)

Adds language tooling for:
- interfaces implementing other interfaces

Author: jimkyndemeyer

gen/com/intellij/lang/jsgraphql/GraphQLParser.java

@@ -282,9 +282,9 @@ inputValueDefinition ::= description? identifier ':' type defaultValue? directiv
 
 private inputValueDefinition_recover ::= !(')' | '}' | inputValueDefinition)
 
-interfaceTypeDefinition ::= description? 'interface' typeNameDefinition directives? fieldsDefinition? {pin=2 extends=typeDefinition implements="com.intellij.lang.jsgraphql.psi.impl.GraphQLDirectivesAware, com.intellij.lang.jsgraphql.psi.impl.GraphQLDescriptionAware, com.intellij.lang.jsgraphql.psi.impl.GraphQLTypeNameDefinitionOwnerPsiElement" methods=[description="quotedString" directives="directive"]}
+interfaceTypeDefinition ::= description? 'interface' typeNameDefinition implementsInterfaces? directives? fieldsDefinition? {pin=2 extends=typeDefinition implements="com.intellij.lang.jsgraphql.psi.impl.GraphQLDirectivesAware, com.intellij.lang.jsgraphql.psi.impl.GraphQLDescriptionAware, com.intellij.lang.jsgraphql.psi.impl.GraphQLTypeNameDefinitionOwnerPsiElement" methods=[description="quotedString" directives="directive"]}
 
-interfaceTypeExtensionDefinition ::= 'extend' 'interface' typeName directives? fieldsDefinition? {pin=2 extends=typeExtension implements="com.intellij.lang.jsgraphql.psi.impl.GraphQLDirectivesAware, com.intellij.lang.jsgraphql.psi.impl.GraphQLTypeNameExtensionOwnerPsiElement" methods=[directives="directive"]}
+interfaceTypeExtensionDefinition ::= 'extend' 'interface' typeName implementsInterfaces? directives? fieldsDefinition? {pin=2 extends=typeExtension implements="com.intellij.lang.jsgraphql.psi.impl.GraphQLDirectivesAware, com.intellij.lang.jsgraphql.psi.impl.GraphQLTypeNameExtensionOwnerPsiElement" methods=[directives="directive"]}
 
 
 unionTypeDefinition ::= description? 'union' typeNameDefinition directives? unionMembership? {pin=2 extends=typeDefinition implements="com.intellij.lang.jsgraphql.psi.impl.GraphQLDirectivesAware, com.intellij.lang.jsgraphql.psi.impl.GraphQLDescriptionAware, com.intellij.lang.jsgraphql.psi.impl.GraphQLTypeNameDefinitionOwnerPsiElement" methods=[description="quotedString" directives="directive"]}

gen/com/intellij/lang/jsgraphql/psi/GraphQLInterfaceTypeDefinition.java

@@ -338,19 +338,27 @@ private void completeImpementsKeyword() {
             @Override
             protected void addCompletions(@NotNull final CompletionParameters parameters, ProcessingContext context, @NotNull CompletionResultSet result) {
                 final PsiElement completionElement = parameters.getPosition();
-                final GraphQLTypeSystemDefinition typeDefinition = PsiTreeUtil.getParentOfType(completionElement, GraphQLObjectTypeDefinition.class, GraphQLObjectTypeExtensionDefinition.class);
+                final GraphQLTypeSystemDefinition typeDefinition = PsiTreeUtil.getParentOfType(completionElement, GraphQLObjectTypeDefinition.class, GraphQLObjectTypeExtensionDefinition.class, GraphQLInterfaceTypeDefinition.class, GraphQLInterfaceTypeExtensionDefinition.class);
                 if (typeDefinition instanceof GraphQLObjectTypeDefinition && ((GraphQLObjectTypeDefinition) typeDefinition).getImplementsInterfaces() != null) {
                     return;
                 }
                 if (typeDefinition instanceof GraphQLObjectTypeExtensionDefinition && ((GraphQLObjectTypeExtensionDefinition) typeDefinition).getImplementsInterfaces() != null) {
                     return;
                 }
+                if (typeDefinition instanceof GraphQLInterfaceTypeDefinition && ((GraphQLInterfaceTypeDefinition) typeDefinition).getImplementsInterfaces() != null) {
+                    return;
+                }
+                if (typeDefinition instanceof GraphQLInterfaceTypeExtensionDefinition && ((GraphQLInterfaceTypeExtensionDefinition) typeDefinition).getImplementsInterfaces() != null) {
+                    return;
+                }
                 result.addElement(LookupElementBuilder.create("implements").withBoldness(true).withInsertHandler(AddSpaceInsertHandler.INSTANCE_WITH_AUTO_POPUP));
             }
         };
         final ElementPattern<PsiElement> insideTypeDefElement = PlatformPatterns.or(
                 psiElement().inside(GraphQLObjectTypeDefinition.class),
-                psiElement().inside(GraphQLObjectTypeExtensionDefinition.class)
+                psiElement().inside(GraphQLObjectTypeExtensionDefinition.class),
+                psiElement().inside(GraphQLInterfaceTypeDefinition.class),
+                psiElement().inside(GraphQLInterfaceTypeExtensionDefinition.class)
         );
         extend(CompletionType.BASIC, psiElement(GraphQLElementTypes.NAME).afterLeaf(psiElement(GraphQLElementTypes.NAME).inside(insideTypeDefElement)), provider);
     }