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carbon-lang/toolchain/check/testdata/interop/cpp/void_pointer.carbon
T
Jon Ross-Perkins 47e551141f Change the package namespace to use the package name (#6495) 
Instead of naming the root namespace `package` (because it's accessed by
the `package` keyword), change it to use the current package name. Note,
buried in the checksum changes,
`toolchain/check/testdata/package_expr/fail_not_found.carbon`:

```
-  // CHECK:STDERR: fail_not_found.carbon:[[@LINE+4]]:16: error: member name `x` not found in `package` [MemberNameNotFoundInInstScope]
+  // CHECK:STDERR: fail_not_found.carbon:[[@LINE+4]]:16: error: member name `x` not found in `Main` [MemberNameNotFoundInInstScope]
```

for:

```
  // CHECK:STDERR:   var y: i32 = package.x;
  // CHECK:STDERR:                ^~~~~~~~~
```

I'll leave it to you if you prefer this; the alternative I see is to
just rename `IsCorePackage` to `IsImportedCorePackage`, and/or change it
to a helper that takes a `Context` and does the right thing with
`parse_tree` (which, I need for `Destroy`-related reasons and was my
default approach).
2025-12-16 01:33:53 +00:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/full.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interop/cpp/void_pointer.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/void_pointer.carbon
// --- fail_todo_implicit_as_from_cpp_class_pointer_to_void_pointer.carbon
library "[[@TEST_NAME]]";
import Cpp inline '''
struct S {};
''';
fn F(input: Cpp.S*) {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_implicit_as_from_cpp_class_pointer_to_void_pointer.carbon:[[@LINE+7]]:22: error: cannot implicitly convert expression of type `Cpp.S*` to `Cpp.void*` [ConversionFailure]
// CHECK:STDERR: let p: Cpp.void* = input;
// CHECK:STDERR: ^~~~~
// CHECK:STDERR: fail_todo_implicit_as_from_cpp_class_pointer_to_void_pointer.carbon:[[@LINE+4]]:22: note: type `Cpp.S*` does not implement interface `Core.ImplicitAs(Cpp.void*)` [MissingImplInMemberAccessNote]
// CHECK:STDERR: let p: Cpp.void* = input;
// CHECK:STDERR: ^~~~~
// CHECK:STDERR:
let p: Cpp.void* = input;
//@dump-sem-ir-end
}
// --- fail_todo_implicit_as_from_carbon_class_pointer_to_void_pointer.carbon
library "[[@TEST_NAME]]";
import Cpp;
class C {}
fn F(input: C*) {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_implicit_as_from_carbon_class_pointer_to_void_pointer.carbon:[[@LINE+7]]:22: error: cannot implicitly convert expression of type `C*` to `Cpp.void*` [ConversionFailure]
// CHECK:STDERR: let p: Cpp.void* = input;
// CHECK:STDERR: ^~~~~
// CHECK:STDERR: fail_todo_implicit_as_from_carbon_class_pointer_to_void_pointer.carbon:[[@LINE+4]]:22: note: type `C*` does not implement interface `Core.ImplicitAs(Cpp.void*)` [MissingImplInMemberAccessNote]
// CHECK:STDERR: let p: Cpp.void* = input;
// CHECK:STDERR: ^~~~~
// CHECK:STDERR:
let p: Cpp.void* = input;
//@dump-sem-ir-end
}
// --- fail_todo_explicit_as_from_void_pointer_to_cpp_class_pointer.carbon
library "[[@TEST_NAME]]";
import Cpp inline '''
struct S {};
''';
fn F(input: Cpp.void*) {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_explicit_as_from_void_pointer_to_cpp_class_pointer.carbon:[[@LINE+7]]:19: error: cannot convert expression of type `Cpp.void*` to `Cpp.S*` with `as` [ConversionFailure]
// CHECK:STDERR: let p: Cpp.S* = input as Cpp.S*;
// CHECK:STDERR: ^~~~~~~~~~~~~~~
// CHECK:STDERR: fail_todo_explicit_as_from_void_pointer_to_cpp_class_pointer.carbon:[[@LINE+4]]:19: note: type `Cpp.void*` does not implement interface `Core.As(Cpp.S*)` [MissingImplInMemberAccessNote]
// CHECK:STDERR: let p: Cpp.S* = input as Cpp.S*;
// CHECK:STDERR: ^~~~~~~~~~~~~~~
// CHECK:STDERR:
let p: Cpp.S* = input as Cpp.S*;
//@dump-sem-ir-end
}
// --- fail_todo_explicit_as_from_void_pointer_to_carbon_class_pointer.carbon
library "[[@TEST_NAME]]";
import Cpp;
class C {}
fn F(input: Cpp.void*) {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_explicit_as_from_void_pointer_to_carbon_class_pointer.carbon:[[@LINE+7]]:15: error: cannot convert expression of type `Cpp.void*` to `C*` with `as` [ConversionFailure]
// CHECK:STDERR: let p: C* = input as C*;
// CHECK:STDERR: ^~~~~~~~~~~
// CHECK:STDERR: fail_todo_explicit_as_from_void_pointer_to_carbon_class_pointer.carbon:[[@LINE+4]]:15: note: type `Cpp.void*` does not implement interface `Core.As(C*)` [MissingImplInMemberAccessNote]
// CHECK:STDERR: let p: C* = input as C*;
// CHECK:STDERR: ^~~~~~~~~~~
// CHECK:STDERR:
let p: C* = input as C*;
//@dump-sem-ir-end
}
// CHECK:STDOUT: --- fail_todo_implicit_as_from_cpp_class_pointer_to_void_pointer.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %S: type = class_type @S [concrete]
// CHECK:STDOUT: %ptr.5c7: type = ptr_type %S [concrete]
// CHECK:STDOUT: %Cpp.void: type = class_type @VoidBase [concrete]
// CHECK:STDOUT: %ptr.874: type = ptr_type %Cpp.void [concrete]
// CHECK:STDOUT: %pattern_type.9fb: type = pattern_type %ptr.874 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .S = %S.decl
// CHECK:STDOUT: .void = constants.%Cpp.void
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %S.decl: type = class_decl @S [concrete = constants.%S] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%input.param: %ptr.5c7) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %p.patt: %pattern_type.9fb = value_binding_pattern p [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %input.ref: %ptr.5c7 = name_ref input, %input
// CHECK:STDOUT: %.loc17_18: type = splice_block %ptr.loc17 [concrete = constants.%ptr.874] {
// CHECK:STDOUT: %Cpp.ref.loc17: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %void.ref: type = name_ref void, constants.%Cpp.void [concrete = constants.%Cpp.void]
// CHECK:STDOUT: %ptr.loc17: type = ptr_type %void.ref [concrete = constants.%ptr.874]
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc17_22: %ptr.874 = converted %input.ref, <error> [concrete = <error>]
// CHECK:STDOUT: %p: %ptr.874 = value_binding p, <error> [concrete = <error>]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_implicit_as_from_carbon_class_pointer_to_void_pointer.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %ptr.31e: type = ptr_type %C [concrete]
// CHECK:STDOUT: %Cpp.void: type = class_type @VoidBase [concrete]
// CHECK:STDOUT: %ptr.874: type = ptr_type %Cpp.void [concrete]
// CHECK:STDOUT: %pattern_type.9fb: type = pattern_type %ptr.874 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .void = constants.%Cpp.void
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%input.param: %ptr.31e) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %p.patt: %pattern_type.9fb = value_binding_pattern p [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %input.ref: %ptr.31e = name_ref input, %input
// CHECK:STDOUT: %.loc17_18: type = splice_block %ptr.loc17 [concrete = constants.%ptr.874] {
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %void.ref: type = name_ref void, constants.%Cpp.void [concrete = constants.%Cpp.void]
// CHECK:STDOUT: %ptr.loc17: type = ptr_type %void.ref [concrete = constants.%ptr.874]
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc17_22: %ptr.874 = converted %input.ref, <error> [concrete = <error>]
// CHECK:STDOUT: %p: %ptr.874 = value_binding p, <error> [concrete = <error>]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_explicit_as_from_void_pointer_to_cpp_class_pointer.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Cpp.void: type = class_type @VoidBase [concrete]
// CHECK:STDOUT: %ptr.874: type = ptr_type %Cpp.void [concrete]
// CHECK:STDOUT: %S: type = class_type @S [concrete]
// CHECK:STDOUT: %ptr.5c7: type = ptr_type %S [concrete]
// CHECK:STDOUT: %pattern_type.259: type = pattern_type %ptr.5c7 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .void = constants.%Cpp.void
// CHECK:STDOUT: .S = %S.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %S.decl: type = class_decl @S [concrete = constants.%S] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%input.param: %ptr.874) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %p.patt: %pattern_type.259 = value_binding_pattern p [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %input.ref: %ptr.874 = name_ref input, %input
// CHECK:STDOUT: %Cpp.ref.loc17_28: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %S.ref.loc17_31: type = name_ref S, imports.%S.decl [concrete = constants.%S]
// CHECK:STDOUT: %ptr.loc17_33: type = ptr_type %S.ref.loc17_31 [concrete = constants.%ptr.5c7]
// CHECK:STDOUT: %.loc17_25: %ptr.5c7 = converted %input.ref, <error> [concrete = <error>]
// CHECK:STDOUT: %.loc17_15: type = splice_block %ptr.loc17_15 [concrete = constants.%ptr.5c7] {
// CHECK:STDOUT: %Cpp.ref.loc17_10: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %S.ref.loc17_13: type = name_ref S, imports.%S.decl [concrete = constants.%S]
// CHECK:STDOUT: %ptr.loc17_15: type = ptr_type %S.ref.loc17_13 [concrete = constants.%ptr.5c7]
// CHECK:STDOUT: }
// CHECK:STDOUT: %p: %ptr.5c7 = value_binding p, <error> [concrete = <error>]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_explicit_as_from_void_pointer_to_carbon_class_pointer.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %Cpp.void: type = class_type @VoidBase [concrete]
// CHECK:STDOUT: %ptr.874: type = ptr_type %Cpp.void [concrete]
// CHECK:STDOUT: %ptr.31e: type = ptr_type %C [concrete]
// CHECK:STDOUT: %pattern_type.506: type = pattern_type %ptr.31e [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%input.param: %ptr.874) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %p.patt: %pattern_type.506 = value_binding_pattern p [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %input.ref: %ptr.874 = name_ref input, %input
// CHECK:STDOUT: %C.ref.loc17_24: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %ptr.loc17_25: type = ptr_type %C.ref.loc17_24 [concrete = constants.%ptr.31e]
// CHECK:STDOUT: %.loc17_21: %ptr.31e = converted %input.ref, <error> [concrete = <error>]
// CHECK:STDOUT: %.loc17_11: type = splice_block %ptr.loc17_11 [concrete = constants.%ptr.31e] {
// CHECK:STDOUT: %C.ref.loc17_10: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %ptr.loc17_11: type = ptr_type %C.ref.loc17_10 [concrete = constants.%ptr.31e]
// CHECK:STDOUT: }
// CHECK:STDOUT: %p: %ptr.31e = value_binding p, <error> [concrete = <error>]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
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