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https://github.com/carbon-language/carbon-lang.git
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Jon Ross-Perkins
b72826c431
This is how we are setting has_errors_ in other stages; this should only make parse consistent. Fixes #4259
36 lines
2.0 KiB
Plaintext
36 lines
2.0 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/operators/fail_star_minus.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/operators/fail_star_minus.carbon
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// TODO: There are two possible fixes that would make this expression legal:
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// `n * -n` and `n* - n`. The parser doesn't realize that the first fix is
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// available because it has already accepted that first part of the expression,
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// so it is recovering by using the second option, but the diagnostic should
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// ideally offer (or consider) both fixes as alternatives.
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// CHECK:STDERR: fail_star_minus.carbon:[[@LINE+3]]:16: ERROR: Whitespace missing after binary operator.
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// CHECK:STDERR: var n: i8 = n* -n;
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// CHECK:STDERR: ^
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var n: i8 = n* -n;
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// CHECK:STDOUT: - filename: fail_star_minus.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: 'VariableIntroducer', text: 'var'},
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// CHECK:STDOUT: {kind: 'IdentifierName', text: 'n'},
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// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i8'},
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// CHECK:STDOUT: {kind: 'BindingPattern', text: ':', subtree_size: 3},
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// CHECK:STDOUT: {kind: 'VariableInitializer', text: '='},
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// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'n'},
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// CHECK:STDOUT: {kind: 'PostfixOperatorStar', text: '*', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'n'},
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// CHECK:STDOUT: {kind: 'InfixOperatorMinus', text: '-', subtree_size: 4},
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// CHECK:STDOUT: {kind: 'VariableDecl', text: ';', subtree_size: 10},
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// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
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// CHECK:STDOUT: ]
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