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carbon-lang/toolchain/check/testdata/namespace/imported_indirect.carbon
T
Richard Smith cefa0397bb More fixes to package and library fingerprinting. (#7297)
Fix import logic to make all imported packages be children of the
`NameScopeId::Package` scope. Previously, indirectly-imported packages
would end up as children of their importing package's scope, which
resulted in them not being treated as packages at all, and in particular
not being fingerprinted as packages.

Fixing that caused a failure in the fingerprinting logic as we started
to encounter packages with no correspoding import scopes. Instead of
looking for import scopes, use a simpler mechanism to map packages to
their package names, and clean up.

Unfortunately the latter change churns all the fingerprints again :(
Hopefully this is the last time for a while.
2026-06-04 17:41:46 +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/convert.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/namespace/imported_indirect.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/namespace/imported_indirect.carbon
// --- a.carbon
package Same library "[[@TEST_NAME]]";
namespace A;
class A.C;
// --- b.carbon
package Same library "[[@TEST_NAME]]";
import library "a";
namespace A.B;
fn F() -> A.C;
// --- c.carbon
package Same library "[[@TEST_NAME]]";
import library "b";
namespace A.B.C;
// --- d.carbon
package Same library "[[@TEST_NAME]]";
import library "c";
fn A.B.C.D() {};
// --- e.carbon
package Same library "[[@TEST_NAME]]";
import library "d";
var e: () = A.B.C.D();
// --- fail_named_indirectly_same_package.carbon
package Same library "[[@TEST_NAME]]";
import library "b";
// CHECK:STDERR: fail_named_indirectly_same_package.carbon:[[@LINE+13]]:10: error: function returns incomplete type `A.C` [IncompleteTypeInFunctionReturnType]
// CHECK:STDERR: fn G() { F(); }
// CHECK:STDERR: ^~~
// CHECK:STDERR: fail_named_indirectly_same_package.carbon:[[@LINE-5]]:1: in import [InImport]
// CHECK:STDERR: b.carbon:3:1: in import [InImport]
// CHECK:STDERR: a.carbon:6:1: note: class was forward declared here [ClassForwardDeclaredHere]
// CHECK:STDERR: class A.C;
// CHECK:STDERR: ^~~~~~~~~~
// CHECK:STDERR: fail_named_indirectly_same_package.carbon:[[@LINE-10]]:1: in import [InImport]
// CHECK:STDERR: b.carbon:7:8: note: return type declared here [IncompleteReturnTypeHere]
// CHECK:STDERR: fn F() -> A.C;
// CHECK:STDERR: ^~~~~~
// CHECK:STDERR:
fn G() { F(); }
// --- fail_named_indirectly_different_package.carbon
package Other library "[[@TEST_NAME]]";
import Same library "b";
// CHECK:STDERR: fail_named_indirectly_different_package.carbon:[[@LINE+13]]:10: error: function returns incomplete type `Same.A.C` [IncompleteTypeInFunctionReturnType]
// CHECK:STDERR: fn G() { Same.F(); }
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR: fail_named_indirectly_different_package.carbon:[[@LINE-5]]:1: in import [InImport]
// CHECK:STDERR: b.carbon:3:1: in import [InImport]
// CHECK:STDERR: a.carbon:6:1: note: class was forward declared here [ClassForwardDeclaredHere]
// CHECK:STDERR: class A.C;
// CHECK:STDERR: ^~~~~~~~~~
// CHECK:STDERR: fail_named_indirectly_different_package.carbon:[[@LINE-10]]:1: in import [InImport]
// CHECK:STDERR: b.carbon:7:8: note: return type declared here [IncompleteReturnTypeHere]
// CHECK:STDERR: fn F() -> A.C;
// CHECK:STDERR: ^~~~~~
// CHECK:STDERR:
fn G() { Same.F(); }
// CHECK:STDOUT: --- a.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .A = %A
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %A: <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:
// CHECK:STDOUT: --- b.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %.46c: Core.Form = init_form %C [concrete]
// CHECK:STDOUT: %pattern_type: type = pattern_type %C [concrete]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Same.A: <namespace> = import_ref Same//a, A, loaded
// CHECK:STDOUT: %A: <namespace> = namespace %Same.A, [concrete] {
// CHECK:STDOUT: .C = %Same.C
// CHECK:STDOUT: .B = file.%B
// CHECK:STDOUT: }
// CHECK:STDOUT: %Same.C: type = import_ref Same//a, C, loaded [concrete = constants.%C]
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .A = imports.%A
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %default.import = import <none>
// CHECK:STDOUT: %B: <namespace> = namespace [concrete] {}
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
// CHECK:STDOUT: %return.param_patt: %pattern_type = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt: %pattern_type = return_slot_pattern %return.param_patt, %C.ref [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %A.ref: <namespace> = name_ref A, imports.%A [concrete = imports.%A]
// CHECK:STDOUT: %C.ref: type = name_ref C, imports.%Same.C [concrete = constants.%C]
// CHECK:STDOUT: %.loc7: Core.Form = init_form %C.ref [concrete = constants.%.46c]
// CHECK:STDOUT: %return.param: ref %C = out_param call_param0
// CHECK:STDOUT: %return: ref %C = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C [from "a.carbon"];
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() -> out %return.param: %C;
// CHECK:STDOUT:
// CHECK:STDOUT: --- c.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Same.A: <namespace> = import_ref Same//b, A, loaded
// CHECK:STDOUT: %A: <namespace> = namespace %Same.A, [concrete] {
// CHECK:STDOUT: .B = %B
// CHECK:STDOUT: }
// CHECK:STDOUT: %Same.B: <namespace> = import_ref Same//b, B, loaded
// CHECK:STDOUT: %B: <namespace> = namespace %Same.B, [concrete] {
// CHECK:STDOUT: .C = file.%C
// CHECK:STDOUT: }
// CHECK:STDOUT: %Same.F = import_ref Same//b, F, unloaded
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .A = imports.%A
// CHECK:STDOUT: .F = imports.%Same.F
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %default.import = import <none>
// CHECK:STDOUT: %C: <namespace> = namespace [concrete] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- d.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %D.type: type = fn_type @D [concrete]
// CHECK:STDOUT: %D: %D.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Same.A: <namespace> = import_ref Same//c, A, loaded
// CHECK:STDOUT: %A: <namespace> = namespace %Same.A, [concrete] {
// CHECK:STDOUT: .B = %B
// CHECK:STDOUT: }
// CHECK:STDOUT: %Same.B: <namespace> = import_ref Same//c, B, loaded
// CHECK:STDOUT: %B: <namespace> = namespace %Same.B, [concrete] {
// CHECK:STDOUT: .C = %C
// CHECK:STDOUT: }
// CHECK:STDOUT: %Same.C: <namespace> = import_ref Same//c, C, loaded
// CHECK:STDOUT: %C: <namespace> = namespace %Same.C, [concrete] {
// CHECK:STDOUT: .D = file.%D.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .A = imports.%A
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %default.import = import <none>
// CHECK:STDOUT: %D.decl: %D.type = fn_decl @D [concrete = constants.%D] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @D() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- e.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %empty_tuple: %empty_tuple.type = tuple_value () [concrete]
// CHECK:STDOUT: %pattern_type: type = pattern_type %empty_tuple.type [concrete]
// CHECK:STDOUT: %D.type: type = fn_type @D [concrete]
// CHECK:STDOUT: %D: %D.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Same.A: <namespace> = import_ref Same//d, A, loaded
// CHECK:STDOUT: %A: <namespace> = namespace %Same.A, [concrete] {
// CHECK:STDOUT: .B = %B
// CHECK:STDOUT: }
// CHECK:STDOUT: %Same.B: <namespace> = import_ref Same//d, B, loaded
// CHECK:STDOUT: %B: <namespace> = namespace %Same.B, [concrete] {
// CHECK:STDOUT: .C = %C
// CHECK:STDOUT: }
// CHECK:STDOUT: %Same.C: <namespace> = import_ref Same//d, C, loaded
// CHECK:STDOUT: %C: <namespace> = namespace %Same.C, [concrete] {
// CHECK:STDOUT: .D = %Same.D
// CHECK:STDOUT: }
// CHECK:STDOUT: %Same.D: %D.type = import_ref Same//d, D, loaded [concrete = constants.%D]
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .A = imports.%A
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .e = %e
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %default.import = import <none>
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %e.patt: %pattern_type = ref_binding_pattern e [concrete]
// CHECK:STDOUT: %e.var_patt: %pattern_type = var_pattern %e.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %e.var: ref %empty_tuple.type = var %e.var_patt [concrete]
// CHECK:STDOUT: %.loc5_9.1: type = splice_block %.loc5_9.3 [concrete = constants.%empty_tuple.type] {
// CHECK:STDOUT: %.loc5_9.2: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc5_9.3: type = converted %.loc5_9.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %e: ref %empty_tuple.type = ref_binding e, %e.var [concrete = %e.var]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @D [from "d.carbon"];
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %A.ref: <namespace> = name_ref A, imports.%A [concrete = imports.%A]
// CHECK:STDOUT: %B.ref: <namespace> = name_ref B, imports.%B [concrete = imports.%B]
// CHECK:STDOUT: %C.ref: <namespace> = name_ref C, imports.%C [concrete = imports.%C]
// CHECK:STDOUT: %D.ref: %D.type = name_ref D, imports.%Same.D [concrete = constants.%D]
// CHECK:STDOUT: %D.call: init %empty_tuple.type = call %D.ref()
// CHECK:STDOUT: assign file.%e.var, %D.call
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_named_indirectly_same_package.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %G.type: type = fn_type @G [concrete]
// CHECK:STDOUT: %G: %G.type = struct_value () [concrete]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Same.A: <namespace> = import_ref Same//b, A, loaded
// CHECK:STDOUT: %A: <namespace> = namespace %Same.A, [concrete] {
// CHECK:STDOUT: .B = %B
// CHECK:STDOUT: }
// CHECK:STDOUT: %Same.B: <namespace> = import_ref Same//b, B, loaded
// CHECK:STDOUT: %B: <namespace> = namespace %Same.B, [concrete] {}
// CHECK:STDOUT: %Same.F: %F.type = import_ref Same//b, F, loaded [concrete = constants.%F]
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .A = imports.%A
// CHECK:STDOUT: .F = imports.%Same.F
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .G = %G.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %default.import = import <none>
// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C [from "b.carbon"];
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %F.ref: %F.type = name_ref F, imports.%Same.F [concrete = constants.%F]
// CHECK:STDOUT: %F.call: init <error> = call %F.ref()
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F [from "b.carbon"];
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_named_indirectly_different_package.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %G.type: type = fn_type @G [concrete]
// CHECK:STDOUT: %G: %G.type = struct_value () [concrete]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Same: <namespace> = namespace file.%Same.import, [concrete] {
// CHECK:STDOUT: .F = %Same.F
// CHECK:STDOUT: import Same//b
// CHECK:STDOUT: }
// CHECK:STDOUT: %Same.F: %F.type = import_ref Same//b, F, loaded [concrete = constants.%F]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .Same = imports.%Same
// CHECK:STDOUT: .G = %G.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Same.import = import Same
// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C [from "b.carbon"];
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Same.ref: <namespace> = name_ref Same, imports.%Same [concrete = imports.%Same]
// CHECK:STDOUT: %F.ref: %F.type = name_ref F, imports.%Same.F [concrete = constants.%F]
// CHECK:STDOUT: %F.call: init <error> = call %F.ref()
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F [from "b.carbon"];
// CHECK:STDOUT: