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https://github.com/carbon-language/carbon-lang.git
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Jon Ross-Perkins
83413479d7
This has is a nice-to-have for me. Frequently I want to run a specific test, and end up digging through output to be able to copy-paste the run line. This uses TIP lines to inject the command into the file when using AUTOUPDATE. Note, one of the reasons I want this is because "bazel test //toolchain/testing:file_test --test_output=all" has been regularly exceeding bazel's output limit for me (workaround is either opening the output file or specifying an obscure output limit flag), making it a little harder for me to get the commands. However, frequently I'm adding a file and want to iterate on it, so that's really the use case I have in mind here.
47 lines
2.7 KiB
Plaintext
47 lines
2.7 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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// 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/parse/testdata/if_expr/basic.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/parse/testdata/if_expr/basic.carbon
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fn F(b: bool, x: i32, y: i32) -> bool {
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return if b then x else y;
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}
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// CHECK:STDOUT: - filename: basic.carbon
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// CHECK:STDOUT: parse_tree: [
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// CHECK:STDOUT: {kind: 'FileStart', text: ''},
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// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
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// CHECK:STDOUT: {kind: 'IdentifierName', text: 'F'},
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// CHECK:STDOUT: {kind: 'TuplePatternStart', text: '('},
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// CHECK:STDOUT: {kind: 'IdentifierName', text: 'b'},
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// CHECK:STDOUT: {kind: 'BoolTypeLiteral', text: 'bool'},
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// CHECK:STDOUT: {kind: 'BindingPattern', text: ':', subtree_size: 3},
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// CHECK:STDOUT: {kind: 'PatternListComma', text: ','},
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// CHECK:STDOUT: {kind: 'IdentifierName', text: 'x'},
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// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
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// CHECK:STDOUT: {kind: 'BindingPattern', text: ':', subtree_size: 3},
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// CHECK:STDOUT: {kind: 'PatternListComma', text: ','},
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// CHECK:STDOUT: {kind: 'IdentifierName', text: 'y'},
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// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
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// CHECK:STDOUT: {kind: 'BindingPattern', text: ':', subtree_size: 3},
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// CHECK:STDOUT: {kind: 'TuplePattern', text: ')', subtree_size: 13},
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// CHECK:STDOUT: {kind: 'BoolTypeLiteral', text: 'bool'},
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// CHECK:STDOUT: {kind: 'ReturnType', text: '->', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '{', subtree_size: 18},
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// CHECK:STDOUT: {kind: 'ReturnStatementStart', text: 'return'},
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// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'b'},
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// CHECK:STDOUT: {kind: 'IfExprIf', text: 'if', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'x'},
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// CHECK:STDOUT: {kind: 'IfExprThen', text: 'then', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'y'},
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// CHECK:STDOUT: {kind: 'IfExprElse', text: 'else', subtree_size: 6},
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// CHECK:STDOUT: {kind: 'ReturnStatement', text: ';', subtree_size: 8},
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// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 27},
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// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
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// CHECK:STDOUT: ]
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