Merge pull request #1400 from Haehnchen/feature/assignment-expression

support indexing of template assignment expression for Twig template names

Author: Haehnchen

src/main/java/fr/adrienbrault/idea/symfony2plugin/templating/util/PhpMethodVariableResolveUtil.java

@@ -327,6 +327,12 @@ private void visitMethodReference(@NotNull MethodReference methodReference) {
                         resolvePhpReference(methodReference, phpPsiElement);
                     }
                 }
+            } else if(parameters[0] instanceof AssignmentExpression) {
+                // $this->render($template = 'foo.html.twig')
+                PhpPsiElement value = ((AssignmentExpression) parameters[0]).getValue();
+                if(value != null) {
+                    resolveString(methodReference, value);
+                }
             } else if(parameters[0] instanceof PhpReference) {
                 resolvePhpReference(methodReference, parameters[0]);
             } else if(parameters[0] instanceof BinaryExpression) {

src/test/java/fr/adrienbrault/idea/symfony2plugin/tests/stubs/indexes/PhpTwigTemplateUsageStubIndexTest.java

@@ -28,6 +28,7 @@ public void testThatTwigRenderMethodsAreInIndex() {
             "       $foo->render($foobar ?? self::FOO_COALESCE);\n" +
             "       $foo->render('@!Foo/overwrite.html.twig');\n" +
             "       $foo->renderView('foo-renderView.html.twig');\n" +
+            "       $foo->renderView($t = 'foo-var-assignment-expression.html.twig');\n" +
             "       $foo->renderResponse('foo-renderResponse.html.twig');\n" +
             "       $foo->render(self::FOO);\n" +
             "       $foo->render($var);\n" +
@@ -46,7 +47,8 @@ public void testThatTwigRenderMethodsAreInIndex() {
             PhpTwigTemplateUsageStubIndex.KEY,
             "foo-render.html.twig", "foo-renderView.html.twig", "foo-renderResponse.html.twig",
             "@Foo/overwrite.html.twig", "const.html.twig", "var.html.twig", "private.html.twig", "foobar-render.twig",
-            "foo-render-ternary.html.twig", "const-ternary.html.twig", "foo-render-coalesce.html.twig", "const-coalesce.html.twig"
+            "foo-render-ternary.html.twig", "const-ternary.html.twig", "foo-render-coalesce.html.twig", "const-coalesce.html.twig",
+            "foo-var-assignment-expression.html.twig"
         );
 
         assertIndexContainsKeyWithValue(PhpTwigTemplateUsageStubIndex.KEY, "foo-render.html.twig", value ->