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https://github.com/carbon-language/carbon-lang.git
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Jon Ross-Perkins
5fa341f16a
When we expect a semicolon, we should be able to provide more standard
recovery.
Note this affects a test of `base`, but it looks like a partial
improvement (the prior line was moving too far). Still, it looks like
recovery isn't handling `{}` quite right. I'm not trying to address that
here though -- leaving a TODO.
55 lines
2.5 KiB
Plaintext
55 lines
2.5 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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class A {
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// CHECK:STDERR: fail_base.carbon:[[@LINE+4]]:7: ERROR: `class` or `:` expected after `base`.
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// CHECK:STDERR: base;
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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base;
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// CHECK:STDERR: fail_base.carbon:[[@LINE+4]]:9: ERROR: Expected expression.
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// CHECK:STDERR: base: ;
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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base: ;
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base: { }
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// We should resume parsing here after the previous error.
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// CHECK:STDERR: fail_base.carbon:[[@LINE+7]]:3: ERROR: `base` declarations must end with a `;`.
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// CHECK:STDERR: var n: i32;
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// CHECK:STDERR: ^~~
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// CHECK:STDERR:
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// CHECK:STDERR: fail_base.carbon:[[@LINE+3]]:7: ERROR: Unrecognized declaration introducer.
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// CHECK:STDERR: var n: i32;
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// CHECK:STDERR: ^
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var n: i32;
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}
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// CHECK:STDOUT: - filename: fail_base.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: 'ClassIntroducer', text: 'class'},
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// CHECK:STDOUT: {kind: 'IdentifierName', text: 'A'},
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// CHECK:STDOUT: {kind: 'ClassDefinitionStart', text: '{', subtree_size: 3},
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// CHECK:STDOUT: {kind: 'InvalidParseStart', text: ';', has_error: yes},
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// CHECK:STDOUT: {kind: 'InvalidParse', text: 'base', has_error: yes},
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// CHECK:STDOUT: {kind: 'InvalidParseSubtree', text: ';', has_error: yes, subtree_size: 3},
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// CHECK:STDOUT: {kind: 'BaseIntroducer', text: 'base'},
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// CHECK:STDOUT: {kind: 'BaseColon', text: ':'},
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// CHECK:STDOUT: {kind: 'InvalidParse', text: ';', has_error: yes},
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// CHECK:STDOUT: {kind: 'BaseDecl', text: ';', has_error: yes, subtree_size: 4},
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// CHECK:STDOUT: {kind: 'BaseIntroducer', text: 'base'},
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// CHECK:STDOUT: {kind: 'BaseColon', text: ':'},
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// CHECK:STDOUT: {kind: 'StructLiteralStart', text: '{'},
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// CHECK:STDOUT: {kind: 'StructLiteral', text: '}', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'BaseDecl', text: 'var', has_error: yes, subtree_size: 5},
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// CHECK:STDOUT: {kind: 'InvalidParseStart', text: 'n', has_error: yes},
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// CHECK:STDOUT: {kind: 'InvalidParseSubtree', text: ';', has_error: yes, subtree_size: 2},
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// CHECK:STDOUT: {kind: 'ClassDefinition', text: '}', subtree_size: 18},
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// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
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// CHECK:STDOUT: ]
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