mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-25 07:40:10 +01:00
Richard Smith
05cc09daca
Fixes link failures when referencing a symbol involving a fingerprint from a different package. Previously we included the `Namespace`'s `import_id` as part of its fingerprint, which caused local and imported namespaces to get different fingerprints. We now store the `import_id` on the `NameScope` instead of on the `Namespace` inst to avoid this problem. Also, when we reach a package-level `NameScopeId`, consistently fingerprint it as a (package name, library name) pair. Previously the fingerprinting depended on whether it was imported or not, as an imported `NameScopeId` had a parent scope (the current package). We need to include the library name here so that private entities with the same name in different libraries have different fingerprints.
139 lines
7.2 KiB
Plaintext
139 lines
7.2 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/uint.carbon
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//
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// AUTOUPDATE
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// TIP: To test this file alone, run:
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// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interop/cpp/enum/using.carbon
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// TIP: To dump output, run:
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// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/enum/using.carbon
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// --- enum.h
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enum class Color {Red, Blue, Green};
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using enum Color;
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class Zoo {
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public:
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enum class Animal { Cat, Dog, Horse };
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};
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using enum Zoo::Animal;
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// --- import_enum.carbon
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library "[[@TEST_NAME]]";
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// CHECK:STDERR: import_enum.carbon:[[@LINE+10]]:10: in file included here [InCppInclude]
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// CHECK:STDERR: ./enum.h:5:7: warning: using enum declaration is a C++20 extension [CppInteropParseWarning]
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// CHECK:STDERR: 5 | using enum Color;
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// CHECK:STDERR: | ^
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// CHECK:STDERR:
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// CHECK:STDERR: import_enum.carbon:[[@LINE+5]]:10: in file included here [InCppInclude]
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// CHECK:STDERR: ./enum.h:12:7: warning: using enum declaration is a C++20 extension [CppInteropParseWarning]
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// CHECK:STDERR: 12 | using enum Zoo::Animal;
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// CHECK:STDERR: | ^
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// CHECK:STDERR:
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import Cpp library "enum.h";
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//@dump-sem-ir-begin
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fn F() {
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let unused col : Cpp.Color = Cpp.Color.Red;
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let unused colb : Cpp.Color = Cpp.Blue;
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let unused pet : Cpp.Zoo.Animal = Cpp.Zoo.Animal.Cat;
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let unused pet2 : Cpp.Zoo.Animal = Cpp.Dog;
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}
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//@dump-sem-ir-end
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// CHECK:STDOUT: --- import_enum.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
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// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
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// CHECK:STDOUT: %Color: type = class_type @Color [concrete]
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// CHECK:STDOUT: %pattern_type.625: type = pattern_type %Color [concrete]
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// CHECK:STDOUT: %int_0.5a5: %Color = int_value 0 [concrete]
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// CHECK:STDOUT: %int_1.a87: %Color = int_value 1 [concrete]
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// CHECK:STDOUT: %Zoo: type = class_type @Zoo [concrete]
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// CHECK:STDOUT: %Animal: type = class_type @Animal [concrete]
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// CHECK:STDOUT: %pattern_type.531: type = pattern_type %Animal [concrete]
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// CHECK:STDOUT: %int_0.30a: %Animal = int_value 0 [concrete]
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// CHECK:STDOUT: %int_1.292: %Animal = int_value 1 [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: imports {
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// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
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// CHECK:STDOUT: .Color = %Color.decl
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// CHECK:STDOUT: .Blue = %int_1.a87
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// CHECK:STDOUT: .Zoo = %Zoo.decl
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// CHECK:STDOUT: .Dog = %int_1.292
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// CHECK:STDOUT: import Cpp//...
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Color.decl: type = class_decl @Color [concrete = constants.%Color] {} {}
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// CHECK:STDOUT: %int_0.5a5: %Color = int_value 0 [concrete = constants.%int_0.5a5]
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// CHECK:STDOUT: %int_1.a87: %Color = int_value 1 [concrete = constants.%int_1.a87]
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// CHECK:STDOUT: %Zoo.decl: type = class_decl @Zoo [concrete = constants.%Zoo] {} {}
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// CHECK:STDOUT: %Animal.decl: type = class_decl @Animal [concrete = constants.%Animal] {} {}
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// CHECK:STDOUT: %int_0.30a: %Animal = int_value 0 [concrete = constants.%int_0.30a]
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// CHECK:STDOUT: %int_1.292: %Animal = int_value 1 [concrete = constants.%int_1.292]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F() {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: name_binding_decl {
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// CHECK:STDOUT: %col.patt: %pattern_type.625 = value_binding_pattern col [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Cpp.ref.loc18_32: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
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// CHECK:STDOUT: %Color.ref.loc18_35: type = name_ref Color, imports.%Color.decl [concrete = constants.%Color]
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// CHECK:STDOUT: %Red.ref: %Color = name_ref Red, imports.%int_0.5a5 [concrete = constants.%int_0.5a5]
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// CHECK:STDOUT: %.loc18: type = splice_block %Color.ref.loc18_23 [concrete = constants.%Color] {
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// CHECK:STDOUT: %Cpp.ref.loc18_20: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
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// CHECK:STDOUT: %Color.ref.loc18_23: type = name_ref Color, imports.%Color.decl [concrete = constants.%Color]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %col: %Color = value_binding col, %Red.ref
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// CHECK:STDOUT: name_binding_decl {
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// CHECK:STDOUT: %colb.patt: %pattern_type.625 = value_binding_pattern colb [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Cpp.ref.loc19_33: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
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// CHECK:STDOUT: %Blue.ref: %Color = name_ref Blue, imports.%int_1.a87 [concrete = constants.%int_1.a87]
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// CHECK:STDOUT: %.loc19: type = splice_block %Color.ref.loc19 [concrete = constants.%Color] {
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// CHECK:STDOUT: %Cpp.ref.loc19_21: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
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// CHECK:STDOUT: %Color.ref.loc19: type = name_ref Color, imports.%Color.decl [concrete = constants.%Color]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %colb: %Color = value_binding colb, %Blue.ref
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// CHECK:STDOUT: name_binding_decl {
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// CHECK:STDOUT: %pet.patt: %pattern_type.531 = value_binding_pattern pet [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Cpp.ref.loc20_37: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
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// CHECK:STDOUT: %Zoo.ref.loc20_40: type = name_ref Zoo, imports.%Zoo.decl [concrete = constants.%Zoo]
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// CHECK:STDOUT: %Animal.ref.loc20_44: type = name_ref Animal, imports.%Animal.decl [concrete = constants.%Animal]
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// CHECK:STDOUT: %Cat.ref: %Animal = name_ref Cat, imports.%int_0.30a [concrete = constants.%int_0.30a]
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// CHECK:STDOUT: %.loc20: type = splice_block %Animal.ref.loc20_27 [concrete = constants.%Animal] {
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// CHECK:STDOUT: %Cpp.ref.loc20_20: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
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// CHECK:STDOUT: %Zoo.ref.loc20_23: type = name_ref Zoo, imports.%Zoo.decl [concrete = constants.%Zoo]
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// CHECK:STDOUT: %Animal.ref.loc20_27: type = name_ref Animal, imports.%Animal.decl [concrete = constants.%Animal]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %pet: %Animal = value_binding pet, %Cat.ref
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// CHECK:STDOUT: name_binding_decl {
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// CHECK:STDOUT: %pet2.patt: %pattern_type.531 = value_binding_pattern pet2 [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Cpp.ref.loc21_38: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
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// CHECK:STDOUT: %Dog.ref: %Animal = name_ref Dog, imports.%int_1.292 [concrete = constants.%int_1.292]
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// CHECK:STDOUT: %.loc21: type = splice_block %Animal.ref.loc21 [concrete = constants.%Animal] {
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// CHECK:STDOUT: %Cpp.ref.loc21_21: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
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// CHECK:STDOUT: %Zoo.ref.loc21: type = name_ref Zoo, imports.%Zoo.decl [concrete = constants.%Zoo]
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// CHECK:STDOUT: %Animal.ref.loc21: type = name_ref Animal, imports.%Animal.decl [concrete = constants.%Animal]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %pet2: %Animal = value_binding pet2, %Dog.ref
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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