Commit 2be347a2c8
src/Sema.zig
@@ -23738,7 +23738,6 @@ fn fieldCallBind(
{
const first_param_type = decl_type.fnParamType(0);
const first_param_tag = first_param_type.tag();
- var opt_buf: Type.Payload.ElemType = undefined;
// zig fmt: off
if (first_param_tag == .var_args_param or
first_param_tag == .generic_poison or (
@@ -23764,17 +23763,29 @@ fn fieldCallBind(
.arg0_inst = deref,
});
return sema.addConstant(ty, value);
- } else if (first_param_tag != .generic_poison and first_param_type.zigTypeTag() == .Optional and
- first_param_type.optionalChild(&opt_buf).eql(concrete_ty, sema.mod))
- {
- const deref = try sema.analyzeLoad(block, src, object_ptr, src);
- const ty = Type.Tag.bound_fn.init();
- const value = try Value.Tag.bound_fn.create(arena, .{
- .func_inst = decl_val,
- .arg0_inst = deref,
- });
- return sema.addConstant(ty, value);
- } else if (first_param_tag != .generic_poison and first_param_type.zigTypeTag() == .ErrorUnion and
+ } else if (first_param_type.zigTypeTag() == .Optional) {
+ var opt_buf: Type.Payload.ElemType = undefined;
+ const child = first_param_type.optionalChild(&opt_buf);
+ if (child.eql(concrete_ty, sema.mod)) {
+ const deref = try sema.analyzeLoad(block, src, object_ptr, src);
+ const ty = Type.Tag.bound_fn.init();
+ const value = try Value.Tag.bound_fn.create(arena, .{
+ .func_inst = decl_val,
+ .arg0_inst = deref,
+ });
+ return sema.addConstant(ty, value);
+ } else if (child.zigTypeTag() == .Pointer and
+ child.ptrSize() == .One and
+ child.childType().eql(concrete_ty, sema.mod))
+ {
+ const ty = Type.Tag.bound_fn.init();
+ const value = try Value.Tag.bound_fn.create(arena, .{
+ .func_inst = decl_val,
+ .arg0_inst = object_ptr,
+ });
+ return sema.addConstant(ty, value);
+ }
+ } else if (first_param_type.zigTypeTag() == .ErrorUnion and
first_param_type.errorUnionPayload().eql(concrete_ty, sema.mod))
{
const deref = try sema.analyzeLoad(block, src, object_ptr, src);
test/behavior/fn.zig
@@ -455,6 +455,23 @@ test "method call with optional and error union first param" {
try s.errUnion();
}
+test "method call with optional pointer first param" {
+ if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
+ if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
+
+ const S = struct {
+ x: i32 = 1234,
+
+ fn method(s: ?*@This()) !void {
+ try expect(s.?.x == 1234);
+ }
+ };
+ var s: S = .{};
+ try s.method();
+ const s_ptr = &s;
+ try s_ptr.method();
+}
+
test "using @ptrCast on function pointers" {
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO