mirror of
https://github.com/carbon-language/carbon-lang.git
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Jon Ross-Perkins
d944347e7b
This is in particular to avoid churn from changes such as #4370. I think the import list can be helpful (particularly to understand what the library is aware of), but it's a different trade-off for the prelude package due to the implicit imports.
131 lines
5.1 KiB
Plaintext
131 lines
5.1 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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// 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/class/fail_import_misuses.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/class/fail_import_misuses.carbon
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// --- a.carbon
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library "[[@TEST_NAME]]";
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class Empty {
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}
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class Incomplete;
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// --- fail_b.carbon
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library "[[@TEST_NAME]]";
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import library "a";
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// CHECK:STDERR: fail_b.carbon:[[@LINE+8]]:1: error: redeclaration of `class Empty` is redundant [RedeclRedundant]
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// CHECK:STDERR: class Empty {
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// CHECK:STDERR: ^~~~~~~~~~~~~
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// CHECK:STDERR: fail_b.carbon:[[@LINE-5]]:1: in import [InImport]
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// CHECK:STDERR: a.carbon:4:1: note: previously declared here [RedeclPrevDecl]
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// CHECK:STDERR: class Empty {
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// CHECK:STDERR: ^~~~~~~~~~~~~
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// CHECK:STDERR:
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class Empty {
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}
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// CHECK:STDERR: fail_b.carbon:[[@LINE+7]]:8: error: variable has incomplete type `Incomplete` [IncompleteTypeInVarDecl]
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// CHECK:STDERR: var a: Incomplete;
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// CHECK:STDERR: ^~~~~~~~~~
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// CHECK:STDERR: fail_b.carbon:[[@LINE-16]]:1: in import [InImport]
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// CHECK:STDERR: a.carbon:7:1: note: class was forward declared here [ClassForwardDeclaredHere]
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// CHECK:STDERR: class Incomplete;
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~
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var a: Incomplete;
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// CHECK:STDOUT: --- a.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %Empty: type = class_type @Empty [template]
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// CHECK:STDOUT: %.1: type = struct_type {} [template]
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// CHECK:STDOUT: %.2: <witness> = complete_type_witness %.1 [template]
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// CHECK:STDOUT: %Incomplete: type = class_type @Incomplete [template]
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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: %Core: <namespace> = namespace file.%Core.import, [template] {
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// CHECK:STDOUT: import Core//prelude
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// CHECK:STDOUT: import Core//prelude/...
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// CHECK:STDOUT: }
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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: package: <namespace> = namespace [template] {
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// CHECK:STDOUT: .Core = imports.%Core
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// CHECK:STDOUT: .Empty = %Empty.decl
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// CHECK:STDOUT: .Incomplete = %Incomplete.decl
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Core.import = import Core
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// CHECK:STDOUT: %Empty.decl: type = class_decl @Empty [template = constants.%Empty] {} {}
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// CHECK:STDOUT: %Incomplete.decl: type = class_decl @Incomplete [template = constants.%Incomplete] {} {}
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: class @Empty {
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// CHECK:STDOUT: %.loc5: <witness> = complete_type_witness %.1 [template = constants.%.2]
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = constants.%Empty
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: class @Incomplete;
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// CHECK:STDOUT:
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// CHECK:STDOUT: --- fail_b.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %Empty: type = class_type @Empty [template]
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// CHECK:STDOUT: %.1: type = struct_type {} [template]
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// CHECK:STDOUT: %.2: <witness> = complete_type_witness %.1 [template]
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// CHECK:STDOUT: %.3: type = class_type @.1 [template]
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// CHECK:STDOUT: %Incomplete: type = class_type @Incomplete [template]
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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: %import_ref.1: type = import_ref Main//a, inst+3, loaded [template = constants.%Empty]
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// CHECK:STDOUT: %import_ref.2: type = import_ref Main//a, inst+8, loaded [template = constants.%Incomplete]
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// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
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// CHECK:STDOUT: import Core//prelude
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// CHECK:STDOUT: import Core//prelude/...
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %import_ref.3 = import_ref Main//a, inst+4, unloaded
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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: package: <namespace> = namespace [template] {
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// CHECK:STDOUT: .Empty = imports.%import_ref.1
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// CHECK:STDOUT: .Incomplete = imports.%import_ref.2
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// CHECK:STDOUT: .Core = imports.%Core
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// CHECK:STDOUT: .a = %a
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Core.import = import Core
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// CHECK:STDOUT: %default.import = import <invalid>
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// CHECK:STDOUT: %.decl: type = class_decl @.1 [template = constants.%.3] {} {}
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// CHECK:STDOUT: %Incomplete.ref: type = name_ref Incomplete, imports.%import_ref.2 [template = constants.%Incomplete]
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// CHECK:STDOUT: %a.var: ref <error> = var a
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// CHECK:STDOUT: %a: ref <error> = bind_name a, %a.var
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: class @Empty {
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = imports.%import_ref.3
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: class @.1 {
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// CHECK:STDOUT: %.loc15: <witness> = complete_type_witness %.1 [template = constants.%.2]
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = constants.%.3
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: class @Incomplete;
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// CHECK:STDOUT:
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