carbon-lang/toolchain/check/testdata/packages/fail_export_name_member.carbon

// 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/none.carbon
// TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
// EXTRA-ARGS: --dump-sem-ir-ranges=if-present
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/packages/fail_export_name_member.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/packages/fail_export_name_member.carbon

// --- a.carbon

package Foo library "[[@TEST_NAME]]";

class C {
  var n: {};
}

// --- fail_b.carbon

package Foo library "[[@TEST_NAME]]";

import library "a";

// TODO: This diagnostic doesn't clearly explain the problem. We should instead
// say something like: Only namespace-scope names can be exported.
// CHECK:STDERR: fail_b.carbon:[[@LINE+8]]:8: error: name qualifiers are only allowed for entities that provide a scope [QualifiedNameInNonScope]
// CHECK:STDERR: export C.n;
// CHECK:STDERR:        ^
// CHECK:STDERR: fail_b.carbon:[[@LINE-7]]:1: in import [InImport]
// CHECK:STDERR: a.carbon:4:1: note: referenced non-scope entity declared here [QualifiedNameNonScopeEntity]
// CHECK:STDERR: class C {
// CHECK:STDERR: ^~~~~~~~~
// CHECK:STDERR:
export C.n;

// CHECK:STDOUT: --- a.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %C: type = class_type @C [concrete]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
// CHECK:STDOUT:   %C.elem: type = unbound_element_type %C, %empty_struct_type [concrete]
// CHECK:STDOUT:   %struct_type.n: type = struct_type {.n: %empty_struct_type} [concrete]
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %struct_type.n [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .C = %C.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// CHECK:STDOUT:   %.loc5_11.1: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
// CHECK:STDOUT:   %.loc5_11.2: type = converted %.loc5_11.1, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
// CHECK:STDOUT:   %.loc5_8: %C.elem = field_decl n, element0 [concrete]
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%struct_type.n [concrete = constants.%complete_type]
// CHECK:STDOUT:   complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = constants.%C
// CHECK:STDOUT:   .n = %.loc5_8
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_b.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %C: type = class_type @C [concrete]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT:   %struct_type.n: type = struct_type {.n: %empty_struct_type} [concrete]
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %struct_type.n [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Foo.C: type = import_ref Foo//a, C, loaded [concrete = constants.%C]
// CHECK:STDOUT:   %Foo.import_ref.9fc: <witness> = import_ref Foo//a, loc6_1, loaded [concrete = constants.%complete_type]
// CHECK:STDOUT:   %Foo.import_ref.1d1 = import_ref Foo//a, inst{{[0-9A-F]+}} [no loc], unloaded
// CHECK:STDOUT:   %Foo.import_ref.8c5 = import_ref Foo//a, loc5_8, unloaded
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .C = imports.%Foo.C
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %default.import = import <none>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C [from "a.carbon"] {
// CHECK:STDOUT:   complete_type_witness = imports.%Foo.import_ref.9fc
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = imports.%Foo.import_ref.1d1
// CHECK:STDOUT:   .n = imports.%Foo.import_ref.8c5
// CHECK:STDOUT: }
// CHECK:STDOUT: