Ui tests with compile_error resolved at call site

tests/ui/array_len_expr.stderr

@@ -1,17 +1,32 @@
 error: array length must be an integer literal
  --> tests/ui/array_len_expr.rs:4:28
   |
+1 | #[cxx::bridge]
+  | -------------- in this procedural macro expansion
+...
 4 |         arraystr: [String; "13"],
   |                            ^^^^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: unsupported expression, array length must be an integer literal
  --> tests/ui/array_len_expr.rs:5:28
   |
+1 | #[cxx::bridge]
+  | -------------- in this procedural macro expansion
+...
 5 |         arraysub: [String; 15 - 1],
   |                            ^^^^^^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: array with zero size is not supported
  --> tests/ui/array_len_expr.rs:6:20
   |
+1 | #[cxx::bridge]
+  | -------------- in this procedural macro expansion
+...
 6 |         arrayzero: [String; 0],
   |                    ^^^^^^^^^^^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)

tests/ui/async_fn.stderr

@@ -1,11 +1,21 @@
 error: async function is not directly supported yet, but see https://cxx.rs/async.html for a working approach, and https://github.com/pcwalton/cxx-async for some helpers; eventually what you wrote will work but it isn't integrated into the cxx::bridge macro yet
  --> tests/ui/async_fn.rs:4:9
   |
+1 | #[cxx::bridge]
+  | -------------- in this procedural macro expansion
+...
 4 |         async fn f();
   |         ^^^^^^^^^^^^^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: async function is not directly supported yet, but see https://cxx.rs/async.html for a working approach, and https://github.com/pcwalton/cxx-async for some helpers; eventually what you wrote will work but it isn't integrated into the cxx::bridge macro yet
  --> tests/ui/async_fn.rs:8:9
   |
+1 | #[cxx::bridge]
+  | -------------- in this procedural macro expansion
+...
 8 |         async fn g();
   |         ^^^^^^^^^^^^^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)

tests/ui/bad_explicit_impl.stderr

@@ -1,5 +1,10 @@
 error: unsupported Self type of explicit impl
  --> tests/ui/bad_explicit_impl.rs:7:5
   |
+1 | #[cxx::bridge]
+  | -------------- in this procedural macro expansion
+...
 7 |     impl fn() -> &S {}
   |     ^^^^^^^^^^^^^^^^^^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)

tests/ui/by_value_not_supported.stderr

@@ -1,59 +1,109 @@
 error: using opaque C++ type by value is not supported
  --> tests/ui/by_value_not_supported.rs:4:9
   |
+1 | #[cxx::bridge]
+  | -------------- in this procedural macro expansion
+...
 4 |         c: C,
   |         ^^^^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: using opaque Rust type by value is not supported
  --> tests/ui/by_value_not_supported.rs:5:9
   |
+1 | #[cxx::bridge]
+  | -------------- in this procedural macro expansion
+...
 5 |         r: R,
   |         ^^^^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: using C++ string by value is not supported
  --> tests/ui/by_value_not_supported.rs:6:9
   |
+1 | #[cxx::bridge]
+  | -------------- in this procedural macro expansion
+...
 6 |         s: CxxString,
   |         ^^^^^^^^^^^^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: needs a cxx::ExternType impl in order to be used as a field of `S`, argument of `f` or return value of `f`
   --> tests/ui/by_value_not_supported.rs:10:9
    |
+1  | #[cxx::bridge]
+   | -------------- in this procedural macro expansion
+...
 10 |         type C;
    |         ^^^^^^
+   |
+   = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: passing opaque C++ type by value is not supported
   --> tests/ui/by_value_not_supported.rs:16:14
    |
+1  | #[cxx::bridge]
+   | -------------- in this procedural macro expansion
+...
 16 |         fn f(c: C) -> C;
    |              ^^^^
+   |
+   = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: returning opaque C++ type by value is not supported
   --> tests/ui/by_value_not_supported.rs:16:23
    |
+1  | #[cxx::bridge]
+   | -------------- in this procedural macro expansion
+...
 16 |         fn f(c: C) -> C;
    |                       ^
+   |
+   = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: passing opaque Rust type by value is not supported
   --> tests/ui/by_value_not_supported.rs:17:14
    |
+1  | #[cxx::bridge]
+   | -------------- in this procedural macro expansion
+...
 17 |         fn g(r: R) -> R;
    |              ^^^^
+   |
+   = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: returning opaque Rust type by value is not supported
   --> tests/ui/by_value_not_supported.rs:17:23
    |
+1  | #[cxx::bridge]
+   | -------------- in this procedural macro expansion
+...
 17 |         fn g(r: R) -> R;
    |                       ^
+   |
+   = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: passing C++ string by value is not supported
   --> tests/ui/by_value_not_supported.rs:18:14
    |
+1  | #[cxx::bridge]
+   | -------------- in this procedural macro expansion
+...
 18 |         fn h(s: CxxString) -> CxxString;
    |              ^^^^^^^^^^^^
+   |
+   = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: returning C++ string by value is not supported
   --> tests/ui/by_value_not_supported.rs:18:31
    |
+1  | #[cxx::bridge]
+   | -------------- in this procedural macro expansion
+...
 18 |         fn h(s: CxxString) -> CxxString;
    |                               ^^^^^^^^^
+   |
+   = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)

tests/ui/const_fn.stderr

@@ -1,5 +1,10 @@
 error: const extern function is not supported
  --> tests/ui/const_fn.rs:4:9
   |
+1 | #[cxx::bridge]
+  | -------------- in this procedural macro expansion
+...
 4 |         const fn f();
   |         ^^^^^^^^^^^^^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)

tests/ui/data_enums.stderr

@@ -1,5 +1,10 @@
 error: enums with data are not supported yet
  --> tests/ui/data_enums.rs:4:9
   |
+1 | #[cxx::bridge]
+  | -------------- in this procedural macro expansion
+...
 4 |         Field(u64),
   |         ^^^^^^^^^^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)

tests/ui/empty_enum.stderr

@@ -1,5 +1,10 @@
 error: explicit #[repr(...)] is required for enum without any variants
  --> tests/ui/empty_enum.rs:3:5
   |
+1 | #[cxx::bridge]
+  | -------------- in this procedural macro expansion
+2 | mod ffi {
 3 |     enum A {}
   |     ^^^^^^^^^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)

tests/ui/empty_struct.stderr

@@ -1,5 +1,10 @@
 error: structs without any fields are not supported
  --> tests/ui/empty_struct.rs:3:5
   |
+1 | #[cxx::bridge]
+  | -------------- in this procedural macro expansion
+2 | mod ffi {
 3 |     struct Empty {}
   |     ^^^^^^^^^^^^^^^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)

tests/ui/enum_inconsistent.stderr

@@ -1,5 +1,10 @@
 error: expected u16, found i64
  --> tests/ui/enum_inconsistent.rs:5:9
   |
+1 | #[cxx::bridge]
+  | -------------- in this procedural macro expansion
+...
 5 |         B = 2i64,
   |         ^^^^^^^^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)

tests/ui/enum_out_of_bounds.stderr

@@ -1,11 +1,21 @@
 error: discriminant value `18446744073709551615` is outside the limits of u32
  --> tests/ui/enum_out_of_bounds.rs:5:9
   |
+1 | #[cxx::bridge]
+  | -------------- in this procedural macro expansion
+...
 5 |         A = 0xFFFF_FFFF_FFFF_FFFF,
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: discriminant value `2000` is outside the limits of u8
  --> tests/ui/enum_out_of_bounds.rs:9:9
   |
+1 | #[cxx::bridge]
+  | -------------- in this procedural macro expansion
+...
 9 |         B = 1u8,
   |         ^^^^^^^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)

tests/ui/enum_overflows.stderr

@@ -1,5 +1,10 @@
 error: discriminant overflow on value after 18446744073709551615
   --> tests/ui/enum_overflows.rs:13:9
    |
+1  | #[cxx::bridge]
+   | -------------- in this procedural macro expansion
+...
 13 |         F,
    |         ^
+   |
+   = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)

tests/ui/enum_receiver.stderr

@@ -1,5 +1,10 @@
 error: unsupported receiver type; C++ does not allow member functions on enums
  --> tests/ui/enum_receiver.rs:7:20
   |
+1 | #[cxx::bridge]
+  | -------------- in this procedural macro expansion
+...
 7 |         fn f(self: &Enum);
   |                    ^^^^^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)

tests/ui/enum_unsatisfiable.stderr

@@ -1,8 +1,13 @@
 error: these discriminant values do not fit in any supported enum repr type
  --> tests/ui/enum_unsatisfiable.rs:3:5
   |
+1 |   #[cxx::bridge]
+  |   -------------- in this procedural macro expansion
+2 |   mod ffi {
 3 | /     enum Bad {
 4 | |         A = -0xFFFF_FFFF_FFFF_FFFF,
 5 | |         B = 0xFFFF_FFFF_FFFF_FFFF,
 6 | |     }
   | |_____^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)

tests/ui/extern_fn_abi.stderr

@@ -1,5 +1,10 @@
 error: explicit ABI on extern function is not supported
  --> tests/ui/extern_fn_abi.rs:4:9
   |
+1 | #[cxx::bridge]
+  | -------------- in this procedural macro expansion
+...
 4 |         extern "Java" fn f();
   |         ^^^^^^^^^^^^^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)

tests/ui/extern_type_bound.stderr

@@ -1,11 +1,21 @@
 error: extern type bounds are not implemented yet
  --> tests/ui/extern_type_bound.rs:4:22
   |
+1 | #[cxx::bridge]
+  | -------------- in this procedural macro expansion
+...
 4 |         type Opaque: PartialEq + PartialOrd;
   |                      ^^^^^^^^^^^^^^^^^^^^^^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: unsupported trait
   --> tests/ui/extern_type_bound.rs:11:22
    |
+8  | #[cxx::bridge]
+   | -------------- in this procedural macro expansion
+...
 11 |         type Opaque: for<'de> Deserialize<'de>;
    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)

tests/ui/extern_type_generic.stderr

@@ -1,5 +1,10 @@
 error: extern type with generic type parameter is not supported yet
  --> tests/ui/extern_type_generic.rs:4:22
   |
+1 | #[cxx::bridge]
+  | -------------- in this procedural macro expansion
+...
 4 |         type Generic<T>;
   |                      ^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)

tests/ui/extern_type_lifetime_bound.stderr

@@ -1,5 +1,10 @@
 error: lifetime parameter with bounds is not supported yet
  --> tests/ui/extern_type_lifetime_bound.rs:4:26
   |
+1 | #[cxx::bridge]
+  | -------------- in this procedural macro expansion
+...
 4 |         type Complex<'a, 'b: 'a>;
   |                          ^^^^^^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)

tests/ui/fallible_fnptr.stderr

@@ -1,5 +1,10 @@
 error: function pointer returning Result is not supported yet
  --> tests/ui/fallible_fnptr.rs:4:24
   |
+1 | #[cxx::bridge]
+  | -------------- in this procedural macro expansion
+...
 4 |         fn f(callback: fn() -> Result<()>);
   |                        ^^^^^^^^^^^^^^^^^^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)

tests/ui/function_with_body.stderr

@@ -1,5 +1,10 @@
 error: expected `;`
  --> tests/ui/function_with_body.rs:4:16
   |
+1 | #[cxx::bridge]
+  | -------------- in this procedural macro expansion
+...
 4 |         fn f() {}
   |                ^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)

tests/ui/generic_enum.stderr

@@ -1,17 +1,32 @@
 error: enum with generic parameters is not supported
  --> tests/ui/generic_enum.rs:3:5
   |
+1 | #[cxx::bridge]
+  | -------------- in this procedural macro expansion
+2 | mod ffi {
 3 |     enum A<T> {
   |     ^^^^^^^^^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: enum with generic parameters is not supported
  --> tests/ui/generic_enum.rs:7:5
   |
+1 | #[cxx::bridge]
+  | -------------- in this procedural macro expansion
+...
 7 |     enum B<T> where T: Copy {
   |     ^^^^^^^^^
+  |
+  = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: enum with where-clause is not supported
   --> tests/ui/generic_enum.rs:11:12
    |
+1  | #[cxx::bridge]
+   | -------------- in this procedural macro expansion
+...
 11 |     enum C where void: Copy {
    |            ^^^^^^^^^^^^^^^^
+   |
+   = note: this error originates in the attribute macro `cxx::bridge` (in Nightly builds, run with -Z macro-backtrace for more info)