test: red for mono-pass unknown identifier on recursive fn in class workspace

2026-05-10 01:06:18 +02:00
parent 4cacfcbdac
commit 3b0bcf3f65
2 changed files with 184 additions and 0 deletions
@@ -0,0 +1,111 @@
+{
+  "schema": "ailang/v0",
+  "name": "test_mono_recursive_fn_bug",
+  "imports": [],
+  "defs": [
+    {
+      "kind": "class",
+      "name": "Foo",
+      "param": "a",
+      "methods": [
+        {
+          "name": "foo",
+          "type": {
+            "k": "fn",
+            "params": [{ "k": "var", "name": "a" }],
+            "ret": { "k": "con", "name": "Int" },
+            "effects": []
+          }
+        }
+      ]
+    },
+    {
+      "kind": "instance",
+      "class": "Foo",
+      "type": { "k": "con", "name": "Int" },
+      "methods": [
+        {
+          "name": "foo",
+          "body": {
+            "t": "lam",
+            "params": ["x"],
+            "paramTypes": [{ "k": "var", "name": "a" }],
+            "retType": { "k": "con", "name": "Int" },
+            "body": { "t": "var", "name": "x" }
+          }
+        }
+      ]
+    },
+    {
+      "kind": "fn",
+      "name": "loop",
+      "type": {
+        "k": "fn",
+        "params": [{ "k": "con", "name": "Int" }, { "k": "con", "name": "Int" }],
+        "ret": { "k": "con", "name": "Int" },
+        "effects": []
+      },
+      "params": ["acc", "i"],
+      "body": {
+        "t": "if",
+        "cond": {
+          "t": "app",
+          "fn": { "t": "var", "name": "==" },
+          "args": [
+            { "t": "var", "name": "i" },
+            { "t": "lit", "lit": { "kind": "int", "value": 0 } }
+          ]
+        },
+        "then": { "t": "var", "name": "acc" },
+        "else": {
+          "t": "app",
+          "tail": true,
+          "fn": { "t": "var", "name": "loop" },
+          "args": [
+            {
+              "t": "app",
+              "fn": { "t": "var", "name": "+" },
+              "args": [
+                { "t": "var", "name": "acc" },
+                { "t": "var", "name": "i" }
+              ]
+            },
+            {
+              "t": "app",
+              "fn": { "t": "var", "name": "-" },
+              "args": [
+                { "t": "var", "name": "i" },
+                { "t": "lit", "lit": { "kind": "int", "value": 1 } }
+              ]
+            }
+          ]
+        }
+      }
+    },
+    {
+      "kind": "fn",
+      "name": "main",
+      "type": {
+        "k": "fn",
+        "params": [],
+        "ret": { "k": "con", "name": "Unit" },
+        "effects": ["IO"]
+      },
+      "params": [],
+      "body": {
+        "t": "do",
+        "op": "io/print_int",
+        "args": [
+          {
+            "t": "app",
+            "fn": { "t": "var", "name": "loop" },
+            "args": [
+              { "t": "lit", "lit": { "kind": "int", "value": 0 } },
+              { "t": "lit", "lit": { "kind": "int", "value": 5 } }
+            ]
+          }
+        ]
+      }
+    }
+  ]
+}