From d2bc3d0ce44dd8b810eda5e435e67e6ded6e2390 Mon Sep 17 00:00:00 2001
From: sdghchj <sdghchj@qq.com>
Date: Mon, 20 Mar 2023 16:16:20 +0800
Subject: [PATCH] fix alias type of generic with multi formal params (#1505)

* fix alias type of generic with multi formal params
---
 generics.go                           |  2 +-
 testdata/generics_basic/api/api.go    |  3 +++
 testdata/generics_basic/expected.json | 20 ++++++++++++++++++++
 3 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/generics.go b/generics.go
index 276c1f349..8a64cd389 100644
--- a/generics.go
+++ b/generics.go
@@ -331,7 +331,7 @@ func (parser *Parser) parseGenericTypeExpr(file *ast.File, typeExpr ast.Expr) (*
 	case *ast.ArrayType:
 	case *ast.MapType:
 	case *ast.FuncType:
-	case *ast.IndexExpr:
+	case *ast.IndexExpr, *ast.IndexListExpr:
 		name, err := getExtendedGenericFieldType(file, expr, nil)
 		if err == nil {
 			if schema, err := parser.getTypeSchema(name, file, false); err == nil {
diff --git a/testdata/generics_basic/api/api.go b/testdata/generics_basic/api/api.go
index 381fe5446..629d4ecb6 100644
--- a/testdata/generics_basic/api/api.go
+++ b/testdata/generics_basic/api/api.go
@@ -18,6 +18,8 @@ type StringStruct struct {
 	Data string
 }
 
+type Foo = web.GenericResponseMulti[types.Post, types.Post]
+
 // @Summary Add a new pet to the store
 // @Description get string by ID
 // @Accept  json
@@ -46,6 +48,7 @@ func GetPost(w http.ResponseWriter, r *http.Request) {
 // @Success 200 {object} web.GenericResponse[types.Post]
 // @Success 201 {object} web.GenericResponse[types.Hello]
 // @Success 202 {object} web.GenericResponse[types.Field[string]]
+// @Success 203 {object} Foo
 // @Success 222 {object} web.GenericResponseMulti[types.Post, types.Post]
 // @Router /posts-multi/ [post]
 func GetPostMulti(w http.ResponseWriter, r *http.Request) {
diff --git a/testdata/generics_basic/expected.json b/testdata/generics_basic/expected.json
index b1d362497..6eca46ed9 100644
--- a/testdata/generics_basic/expected.json
+++ b/testdata/generics_basic/expected.json
@@ -49,6 +49,12 @@
                             "$ref": "#/definitions/web.GenericResponse-types_Field-string"
                         }
                     },
+                    "203": {
+                        "description": "Non-Authoritative Information",
+                        "schema": {
+                            "$ref": "#/definitions/api.Foo"
+                        }
+                    },
                     "222": {
                         "description": "",
                         "schema": {
@@ -182,6 +188,20 @@
         }
     },
     "definitions": {
+        "api.Foo": {
+            "type": "object",
+            "properties": {
+                "data": {
+                    "$ref": "#/definitions/types.Post"
+                },
+                "meta": {
+                    "$ref": "#/definitions/types.Post"
+                },
+                "status": {
+                    "type": "string"
+                }
+            }
+        },
         "api.Response-api_StringStruct-types_Field-int": {
             "type": "object",
             "properties": {