gitback/zig
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

translate-c demote struct to opaque if unable to translate type

Browse Source
This commit is contained in:
Vexu 2020-03-05 11:46:45 +02:00 committed by Andrew Kelley
parent b7614e63f5
commit ad27041de9
2 changed files with 24 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src-self-hosted/translate_c.zig
View File

@ -810,8 +810,10 @@ fn transRecordDecl(c: *Context, record_decl: *const ZigClangRecordDecl) Error!?*
_ = try appendToken(c, .Colon, ":");
const field_type = transQualType(rp, ZigClangFieldDecl_getType(field_decl), field_loc) catch |err| switch (err) {
error.UnsupportedType => {
try failDecl(c, record_loc, name, "unable to translate {} member type", .{container_kind_name});
return null;
const opaque = try transCreateNodeOpaqueType(c);
semicolon = try appendToken(c, .Semicolon, ";");
try emitWarning(c, record_loc, "{} demoted to opaque type - unable to translate type of field {}", .{ container_kind_name, raw_name });
break :blk opaque;
},
else => |e| return e,
};

20
test/translate_c.zig
View File

@ -41,6 +41,26 @@ pub fn addCases(cases: *tests.TranslateCContext) void {
\\pub const FOO = -BAR;
});
cases.add("struct with atomic field",
\\struct arcan_shmif_cont {
\\ struct arcan_shmif_page* addr;
\\};
\\struct arcan_shmif_page {
\\ volatile _Atomic int abufused[12];
\\};
, &[_][]const u8{
\\pub const struct_arcan_shmif_page = //
,
\\warning: unsupported type: 'Atomic'
\\ @OpaqueType(); //
,
\\ warning: struct demoted to opaque type - unable to translate type of field abufused
, // TODO should be `addr: *struct_arcan_shmif_page`
\\pub const struct_arcan_shmif_cont = extern struct {
\\ addr: [*c]struct_arcan_shmif_page,
\\};
});
cases.add("function prototype translated as optional",
\\typedef void (*fnptr_ty)(void);
\\typedef __attribute__((cdecl)) void (*fnptr_attr_ty)(void);