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https://github.com/carbon-language/carbon-lang.git
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Jon Ross-PerkinsandDana Jansens
8166f9a7cf
This turns `Cpp` into a keyword, and makes it map to `NameId::Cpp` and `PackageNameId::Cpp`. Per discussion with zygoloid, the keyword versus identifier question is deliberately kept open by #4846. This PR switches to a keyword because mapping to a specific `PackageNameId` works best with a special `NameId` not backed by an `IdentifierId`. We could in theory make it work using `IdentifierId` or a runtime-tracked `PackageNameId` for `Cpp` (e.g. stored on `SemIR::File`), but this approach is consistent with `Core` and so seemed like a good starting point. --------- Co-authored-by: Dana Jansens <danakj@orodu.net>
148 lines
4.7 KiB
Plaintext
148 lines
4.7 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/none.carbon
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// TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
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// EXTRA-ARGS: --dump-sem-ir-ranges=if-present
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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/packages/restricted_package_names.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/packages/restricted_package_names.carbon
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// --- lowercase_main.carbon
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// The restriction is case-sensitive.
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package main;
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// --- fail_main.carbon
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// CHECK:STDERR: fail_main.carbon:[[@LINE+4]]:1: error: `Main//default` must omit `package` declaration [ExplicitMainPackage]
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// CHECK:STDERR: package Main;
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// CHECK:STDERR: ^~~~~~~~~~~~~
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// CHECK:STDERR:
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package Main;
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// --- fail_main_impl.carbon
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// CHECK:STDERR: fail_main_impl.carbon:[[@LINE+4]]:1: error: `Main//default` must omit `package` declaration [ExplicitMainPackage]
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// CHECK:STDERR: impl package Main;
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~
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// CHECK:STDERR:
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impl package Main;
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// --- fail_raw_main.carbon
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// `Main` isn't a keyword, so this fails the same way.
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// CHECK:STDERR: fail_raw_main.carbon:[[@LINE+4]]:1: error: `Main//default` must omit `package` declaration [ExplicitMainPackage]
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// CHECK:STDERR: package r#Main;
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// CHECK:STDERR: ^~~~~~~~~~~~~~~
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// CHECK:STDERR:
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package r#Main;
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// --- fail_main_lib.carbon
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// CHECK:STDERR: fail_main_lib.carbon:[[@LINE+4]]:1: error: use `library` declaration in `Main` package libraries [ExplicitMainLibrary]
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// CHECK:STDERR: package Main library "main_lib";
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR:
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package Main library "[[@TEST_NAME]]";
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// --- lowercase_cpp.carbon
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// The restriction is case-sensitive.
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package cpp;
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// --- fail_cpp.carbon
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// CHECK:STDERR: fail_cpp.carbon:[[@LINE+4]]:1: error: `Cpp` cannot be used by a `package` declaration [CppPackageDeclaration]
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// CHECK:STDERR: package Cpp;
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// CHECK:STDERR: ^~~~~~~~~~~~
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// CHECK:STDERR:
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package Cpp;
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// --- fail_cpp.impl.carbon
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// CHECK:STDERR: fail_cpp.impl.carbon:[[@LINE+4]]:1: error: `Cpp` cannot be used by a `package` declaration [CppPackageDeclaration]
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// CHECK:STDERR: impl package Cpp;
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~
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// CHECK:STDERR:
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impl package Cpp;
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// --- raw_cpp.carbon
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package r#Cpp;
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// --- fail_cpp_lib.carbon
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// CHECK:STDERR: fail_cpp_lib.carbon:[[@LINE+4]]:1: error: `Cpp` cannot be used by a `package` declaration [CppPackageDeclaration]
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// CHECK:STDERR: package Cpp library "cpp_lib";
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR:
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package Cpp library "[[@TEST_NAME]]";
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// CHECK:STDOUT: --- lowercase_main.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [concrete] {}
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: --- fail_main.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [concrete] {}
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: --- fail_main_impl.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [concrete] {}
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: --- fail_raw_main.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [concrete] {}
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: --- fail_main_lib.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [concrete] {}
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: --- lowercase_cpp.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [concrete] {}
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: --- fail_cpp.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [concrete] {}
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: --- fail_cpp.impl.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [concrete] {}
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// CHECK:STDOUT: %Cpp.import = import Cpp
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// CHECK:STDOUT: %default.import = import <none>
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: --- raw_cpp.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [concrete] {}
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: --- fail_cpp_lib.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [concrete] {}
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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