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fdb188ccfd
Implementation of unused pattern bindings #2022, continued. Whereas previous PR #6460 took care of parsing, and PR #6479 prepared the stage by using _ in some test cases, this PR has the the actual implementation, using a simple dataflow analysis. --------- Co-authored-by: Burak Emir <bqe@google.com> Co-authored-by: jonmeow <jperkins@google.com>
101 lines
5.1 KiB
Plaintext
101 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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// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/convert.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/class/fail_modifiers.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_modifiers.carbon
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// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+7]]:9: error: `private` repeated on declaration [ModifierRepeated]
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// CHECK:STDERR: private private class DuplicatePrivate;
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// CHECK:STDERR: ^~~~~~~
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// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:1: note: `private` previously appeared here [ModifierPrevious]
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// CHECK:STDERR: private private class DuplicatePrivate;
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// CHECK:STDERR: ^~~~~~~
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// CHECK:STDERR:
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private private class DuplicatePrivate;
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// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:1: error: `abstract` not allowed on `class` forward declaration, only definition [ModifierOnlyAllowedOnDefinition]
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// CHECK:STDERR: abstract class AbstractDecl;
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// CHECK:STDERR: ^~~~~~~~
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// CHECK:STDERR:
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abstract class AbstractDecl;
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// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+7]]:9: error: `protected` not allowed on declaration with `private` [ModifierNotAllowedWith]
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// CHECK:STDERR: private protected class TwoAccess;
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// CHECK:STDERR: ^~~~~~~~~
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// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:1: note: `private` previously appeared here [ModifierPrevious]
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// CHECK:STDERR: private protected class TwoAccess;
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// CHECK:STDERR: ^~~~~~~
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// CHECK:STDERR:
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private protected class TwoAccess;
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// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:1: error: `base` not allowed on `class` forward declaration, only definition [ModifierOnlyAllowedOnDefinition]
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// CHECK:STDERR: base class BaseDecl;
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// CHECK:STDERR: ^~~~
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// CHECK:STDERR:
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base class BaseDecl;
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// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+7]]:10: error: `abstract` repeated on declaration [ModifierRepeated]
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// CHECK:STDERR: abstract abstract class TwoAbstract { }
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// CHECK:STDERR: ^~~~~~~~
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// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:1: note: `abstract` previously appeared here [ModifierPrevious]
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// CHECK:STDERR: abstract abstract class TwoAbstract { }
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// CHECK:STDERR: ^~~~~~~~
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// CHECK:STDERR:
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abstract abstract class TwoAbstract { }
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// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+15]]:19: error: `base` not allowed on declaration with `virtual` [ModifierNotAllowedWith]
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// CHECK:STDERR: protected virtual base class Virtual {}
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// CHECK:STDERR: ^~~~
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// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+12]]:11: note: `virtual` previously appeared here [ModifierPrevious]
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// CHECK:STDERR: protected virtual base class Virtual {}
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// CHECK:STDERR: ^~~~~~~
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// CHECK:STDERR:
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// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+8]]:1: error: `protected` not allowed; requires class scope [ModifierProtectedNotAllowed]
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// CHECK:STDERR: protected virtual base class Virtual {}
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// CHECK:STDERR: ^~~~~~~~~
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// CHECK:STDERR:
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// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:11: error: `virtual` not allowed on `class` declaration [ModifierNotAllowedOnDeclaration]
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// CHECK:STDERR: protected virtual base class Virtual {}
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// CHECK:STDERR: ^~~~~~~
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// CHECK:STDERR:
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protected virtual base class Virtual {}
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// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+7]]:10: error: `protected` must appear before `abstract` [ModifierMustAppearBefore]
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// CHECK:STDERR: abstract protected class WrongOrder { }
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// CHECK:STDERR: ^~~~~~~~~
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// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:1: note: `abstract` previously appeared here [ModifierPrevious]
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// CHECK:STDERR: abstract protected class WrongOrder { }
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// CHECK:STDERR: ^~~~~~~~
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// CHECK:STDERR:
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abstract protected class WrongOrder { }
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// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+7]]:10: error: `base` not allowed on declaration with `abstract` [ModifierNotAllowedWith]
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// CHECK:STDERR: abstract base class AbstractAndBase {}
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// CHECK:STDERR: ^~~~
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// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:1: note: `abstract` previously appeared here [ModifierPrevious]
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// CHECK:STDERR: abstract base class AbstractAndBase {}
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// CHECK:STDERR: ^~~~~~~~
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// CHECK:STDERR:
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abstract base class AbstractAndBase {}
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abstract class AbstractWithDefinition {
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// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:38: error: definition of `abstract` function [DefinedAbstractFunction]
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// CHECK:STDERR: abstract fn F[unused self: Self]() {}
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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abstract fn F[unused self: Self]() {}
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abstract fn G[unused self: Self]();
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}
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// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:50: error: definition of `abstract` function [DefinedAbstractFunction]
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// CHECK:STDERR: fn AbstractWithDefinition.G[unused self: Self]() {
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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fn AbstractWithDefinition.G[unused self: Self]() {
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}
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