Files
carbon-lang/toolchain/check/testdata/packages/fail_import_repeat.carbon
T
Jon Ross-Perkins 204c04dbb9 Add more package and import support. (#3402)
This should cover:

```
library "lib" api;
import Foo library default;
import library default;
import library "lib";
```

This splits out `PackageName` and `LibraryName` to their own parse nodes
so that checking can ignore them and still get a balanced parse tree
(otherwise, we essentially need to implement handling of the parse nodes
only to remove the identifiers/string literals -- the optional names
mean we can't blindly do that as before). For reference, these nodes
don't need to be handled because CheckParseTree will need to directly
funnel import information along with checked IRs.
2023-11-16 17:09:36 +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
//
// AUTOUPDATE
// --- api.carbon
package Api api;
// --- api_lib.carbon
package Api library "lib" api;
// --- main_lib.carbon
library "lib" api;
// --- import.carbon
import Api;
// CHECK:STDERR: import.carbon:[[@LINE+6]]:1: ERROR: Library imported more than once.
// CHECK:STDERR: import Api;
// CHECK:STDERR: ^
// CHECK:STDERR: import.carbon:[[@LINE-4]]:1: First import here.
// CHECK:STDERR: import Api;
// CHECK:STDERR: ^
import Api;
import Api library "lib";
// CHECK:STDERR: import.carbon:[[@LINE+6]]:1: ERROR: Library imported more than once.
// CHECK:STDERR: import Api library "lib";
// CHECK:STDERR: ^
// CHECK:STDERR: import.carbon:[[@LINE-4]]:1: First import here.
// CHECK:STDERR: import Api library "lib";
// CHECK:STDERR: ^
import Api library "lib";
import library "lib";
// CHECK:STDERR: import.carbon:[[@LINE+6]]:1: ERROR: Library imported more than once.
// CHECK:STDERR: import library "lib";
// CHECK:STDERR: ^
// CHECK:STDERR: import.carbon:[[@LINE-4]]:1: First import here.
// CHECK:STDERR: import library "lib";
// CHECK:STDERR: ^
import library "lib";
// --- default_import.carbon
package Api library "not_default" api;
import library default;
// CHECK:STDERR: default_import.carbon:[[@LINE+6]]:1: ERROR: Library imported more than once.
// CHECK:STDERR: import library default;
// CHECK:STDERR: ^
// CHECK:STDERR: default_import.carbon:[[@LINE-4]]:1: First import here.
// CHECK:STDERR: import library default;
// CHECK:STDERR: ^
import library default;
// CHECK:STDOUT: file "api.carbon" {
// CHECK:STDOUT: }
// CHECK:STDOUT: file "api_lib.carbon" {
// CHECK:STDOUT: }
// CHECK:STDOUT: file "main_lib.carbon" {
// CHECK:STDOUT: }
// CHECK:STDOUT: file "import.carbon" {
// CHECK:STDOUT: }
// CHECK:STDOUT: file "default_import.carbon" {
// CHECK:STDOUT: }