From b65cf89d2272cfc45fe831be1c4868c63eea3dab Mon Sep 17 00:00:00 2001
From: blueloveTH <blueloveth@foxmail.com>
Date: Sun, 4 Feb 2024 19:30:51 +0800
Subject: [PATCH] fix https://github.com/pocketpy/pocketpy/issues/171

---
 src/compiler.cpp      | 11 +++++++++++
 tests/21_functions.py | 29 ++++++++++++++++++++++++++++-
 2 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/src/compiler.cpp b/src/compiler.cpp
index 72c26f04..0173a491 100644
--- a/src/compiler.cpp
+++ b/src/compiler.cpp
@@ -1155,6 +1155,17 @@ __EAT_DOTS_END:
             case TK("False"): return VAR(false);
             case TK("None"): return vm->None;
             case TK("..."): return vm->Ellipsis;
+            case TK("("): {
+                List cpnts;
+                while(true) {
+                    cpnts.push_back(read_literal());
+                    if(curr().type == TK(")")) break;
+                    consume(TK(","));
+                    if(curr().type == TK(")")) break;
+                }
+                consume(TK(")"));
+                return VAR(Tuple(std::move(cpnts)));
+            }
             default: break;
         }
         return nullptr;
diff --git a/tests/21_functions.py b/tests/21_functions.py
index 1d01be0e..82960592 100644
--- a/tests/21_functions.py
+++ b/tests/21_functions.py
@@ -91,4 +91,31 @@ S, kwargs = g(1, 2, 3, 4, 5, c=4, e=5, f=6)
 # S = 1 + 2 + 4 + 2 + 12 = 21
 
 assert S == 21
-assert kwargs == {'e': 5, 'f': 6}
\ No newline at end of file
+assert kwargs == {'e': 5, 'f': 6}
+
+# test tuple defaults
+
+def f(a=(1,)):
+    return a
+assert f() == (1,)
+
+def f(a=(1,2)):
+    return a
+assert f() == (1,2)
+
+def f(a=(1,2,3)):
+    return a
+assert f() == (1,2,3)
+
+def f(a=(1,2,3,)):
+    return a
+assert f() == (1,2,3)
+
+def f(a=(1,(2,3))):
+    return a
+assert f() == (1,(2,3))
+
+def f(a=((1,2),3), b=(4,)):
+    return a, b
+
+assert f() == (((1,2),3), (4,))