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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>
42 lines
1.9 KiB
Plaintext
42 lines
1.9 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/int.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/main_run/fail_mismatch_params.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/main_run/fail_mismatch_params.carbon
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// --- fail_bad_argc.carbon
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library "[[@TEST_NAME]]";
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// CHECK:STDERR: fail_bad_argc.carbon:[[@LINE+4]]:1: error: invalid parameters for `Main.Run` function; expected `()` or `(argc: i32, argv: Core.Optional(char*)*)` [InvalidMainRunParameters]
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// CHECK:STDERR: fn Run(unused n: i64) {}
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR:
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fn Run(unused n: i64) {}
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// --- fail_bad_argv.carbon
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library "[[@TEST_NAME]]";
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// CHECK:STDERR: fail_bad_argv.carbon:[[@LINE+4]]:1: error: invalid parameters for `Main.Run` function; expected `()` or `(argc: i32, argv: Core.Optional(char*)*)` [InvalidMainRunParameters]
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// CHECK:STDERR: fn Run(unused n: i32, unused p: i32) {}
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR:
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fn Run(unused n: i32, unused p: i32) {}
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// --- fail_too_many_params.carbon
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library "[[@TEST_NAME]]";
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// CHECK:STDERR: fail_too_many_params.carbon:[[@LINE+4]]:1: error: invalid parameters for `Main.Run` function; expected `()` or `(argc: i32, argv: Core.Optional(char*)*)` [InvalidMainRunParameters]
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// CHECK:STDERR: fn Run(unused n: i32, unused p: i32*, unused q: i32*) {}
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR:
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fn Run(unused n: i32, unused p: i32*, unused q: i32*) {}
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