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https://github.com/carbon-language/carbon-lang.git
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Jon Ross-Perkins
d73729179a
This is supporting a direction that all parse nodes should correspond to a single token, allowing for reduced tokenized buffer access during checking (it's still necessary for diagnostics, and some literals). One of the justifications for a unified parse node was implementation LOC: note this is slightly smaller, using macros to reduce some duplication. While this does add more switching in HandleDeclScopeLoop, that's offset by less explicit switching in the check handlers. Also, I think the duplication in HandleDeclScopeLoop can be reduced by shifting the flow there, which I'll do in a separate PR.
31 lines
1.5 KiB
Plaintext
31 lines
1.5 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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// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+3]]:37: ERROR: `namespace` unexpected after modifiers.
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// CHECK:STDERR: private abstract base default final namespace Foo;
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// CHECK:STDERR: ^~~~~~~~~
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private abstract base default final namespace Foo;
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// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+3]]:1: ERROR: Unrecognized declaration introducer.
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// CHECK:STDERR: impl namespace
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// CHECK:STDERR: ^~~~
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impl namespace
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// CHECK:STDOUT: - filename: fail_modifiers.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: 'InvalidParseStart', text: 'namespace', has_error: yes},
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// CHECK:STDOUT: {kind: 'PrivateModifier', text: 'private'},
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// CHECK:STDOUT: {kind: 'AbstractModifier', text: 'abstract'},
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// CHECK:STDOUT: {kind: 'BaseModifier', text: 'base'},
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// CHECK:STDOUT: {kind: 'DefaultModifier', text: 'default'},
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// CHECK:STDOUT: {kind: 'FinalModifier', text: 'final'},
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// CHECK:STDOUT: {kind: 'InvalidParseSubtree', text: ';', has_error: yes, subtree_size: 7},
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// CHECK:STDOUT: {kind: 'InvalidParseStart', text: 'impl', has_error: yes},
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// CHECK:STDOUT: {kind: 'InvalidParseSubtree', text: 'namespace', has_error: yes, subtree_size: 2},
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// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
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// CHECK:STDOUT: ]
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