From 3b17235f8e50e0a2d2896cdd6e0eab0e27f77ceb Mon Sep 17 00:00:00 2001
From: Robert Kruszewski <github@robertk.io>
Date: Mon, 30 Oct 2023 17:10:50 +0000
Subject: [PATCH] something

---
 pydust/src/functions.zig  | 19 +++++++------------
 pydust/src/trampoline.zig |  5 +++--
 2 files changed, 10 insertions(+), 14 deletions(-)

diff --git a/pydust/src/functions.zig b/pydust/src/functions.zig
index 58fe4941..9e1543f2 100644
--- a/pydust/src/functions.zig
+++ b/pydust/src/functions.zig
@@ -315,17 +315,9 @@ pub fn unwrapArgs(comptime Args: type, pyargs: py.Args, pykwargs: py.Kwargs) !Ar
     var args: Args = undefined;
 
     const s = @typeInfo(Args).Struct;
-    var varargsFieldIdx: usize = undefined;
-    var varkwargsFieldIdx: usize = undefined;
     var argIdx: usize = 0;
-    inline for (s.fields, 0..) |field, fieldIdx| {
-        if (field.type == py.Args) {
-            // Variadic args
-            varargsFieldIdx = fieldIdx;
-        } else if (field.type == py.Kwargs) {
-            // Variadic kwargs
-            varkwargsFieldIdx = fieldIdx;
-        } else if (field.default_value) |def_value| {
+    inline for (s.fields) |field| {
+        if (field.default_value) |def_value| {
             // We have a kwarg.
             if (kwargs.fetchRemove(field.name)) |entry| {
                 @field(args, field.name) = try py.as(field.type, entry.value);
@@ -334,7 +326,7 @@ pub fn unwrapArgs(comptime Args: type, pyargs: py.Args, pykwargs: py.Kwargs) !Ar
                 const defaultValue: *field.type = @alignCast(@ptrCast(@constCast(def_value)));
                 @field(args, field.name) = defaultValue.*;
             }
-        } else {
+        } else if (field.type != py.Args and field.type != py.Kwargs) {
             // Otherwise, we have a regular argument.
             if (argIdx >= pyargs.len) {
                 return py.TypeError.raiseFmt("Expected {d} arg{s}", .{
@@ -366,8 +358,11 @@ pub fn unwrapArgs(comptime Args: type, pyargs: py.Args, pykwargs: py.Kwargs) !Ar
     return args;
 }
 
-pub fn deinitArgs(comptime Args: type, args: Args) void {
+pub fn deinitArgs(comptime Args: type, args: Args, allPosArgs: []py.PyObject) void {
     const s = @typeInfo(Args).Struct;
+    if (comptime varArgsIdx(Args)) |idx| {
+        py.allocator.free(allPosArgs[0..idx]);
+    }
     inline for (s.fields) |field| {
         if (field.type == py.Args) {
             py.allocator.free(@field(args, field.name));
diff --git a/pydust/src/trampoline.zig b/pydust/src/trampoline.zig
index 7053c275..63d163e1 100644
--- a/pydust/src/trampoline.zig
+++ b/pydust/src/trampoline.zig
@@ -282,6 +282,7 @@ pub fn Trampoline(comptime T: type) type {
 
         const ZigCallArgs = struct {
             argsStruct: T,
+            allPosArgs: []py.PyObject,
 
             pub fn unwrap(pyargs: ?py.PyTuple, pykwargs: ?py.PyDict) PyError!@This() {
                 var kwargs = py.Kwargs.init(py.allocator);
@@ -300,11 +301,11 @@ pub fn Trampoline(comptime T: type) type {
                     }
                 }
 
-                return .{ .argsStruct = try funcs.unwrapArgs(T, args, kwargs) };
+                return .{ .argsStruct = try funcs.unwrapArgs(T, args, kwargs), .allPosArgs = args };
             }
 
             pub fn deinit(self: @This()) void {
-                funcs.deinitArgs(T, self.argsStruct);
+                funcs.deinitArgs(T, self.argsStruct, self.allPosArgs);
             }
         };
     };