mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-28 07:00:10 +01:00
Geoff Romer
6429c1655c
It's hard to track 2-space indent levels across large vertical gaps, and it can be hard to suppress the instinct to read the dump as if it were preorder. This change introduces a new dump mode that addresses both problems by using box-drawing characters to explicitly represent the parent-child edges of the tree. This new mode is the default, but the old behavior remains available with `--parse-dump-format=yaml-postorder`.
132 lines
5.5 KiB
Plaintext
132 lines
5.5 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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// 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/alias/fail_syntax.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/alias/fail_syntax.carbon
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// CHECK:STDERR: fail_syntax.carbon:[[@LINE+4]]:7: error: `alias` introducer should be followed by a name [ExpectedDeclName]
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// CHECK:STDERR: alias = b;
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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alias = b;
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// CHECK:STDERR: fail_syntax.carbon:[[@LINE+4]]:9: error: `alias` requires a `=` for the source [ExpectedAliasInitializer]
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// CHECK:STDERR: alias a b;
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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alias a b;
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// CHECK:STDERR: fail_syntax.carbon:[[@LINE+4]]:10: error: expected expression [ExpectedExpr]
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// CHECK:STDERR: alias a =;
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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alias a =;
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// CHECK:STDERR: fail_syntax.carbon:[[@LINE+4]]:8: error: `alias` requires a `=` for the source [ExpectedAliasInitializer]
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// CHECK:STDERR: alias a;
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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alias a;
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// CHECK:STDERR: fail_syntax.carbon:[[@LINE+4]]:7: error: `alias` introducer should be followed by a name [ExpectedDeclName]
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// CHECK:STDERR: alias =;
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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alias =;
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// CHECK:STDERR: fail_syntax.carbon:[[@LINE+4]]:9: error: `alias` requires a `=` for the source [ExpectedAliasInitializer]
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// CHECK:STDERR: alias a b c = d;
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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alias a b c = d;
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// CHECK:STDERR: fail_syntax.carbon:[[@LINE+4]]:13: error: `alias` declarations must end with a `;` [ExpectedDeclSemi]
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// CHECK:STDERR: alias a = b c d;
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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alias a = b c d;
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fn F() {
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// CHECK:STDERR: fail_syntax.carbon:[[@LINE+4]]:8: error: `alias` introducer should be followed by a name [ExpectedDeclName]
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// CHECK:STDERR: alias;
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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alias;
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// CHECK:STDERR: fail_syntax.carbon:[[@LINE+4]]:12: error: expected expression [ExpectedExpr]
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// CHECK:STDERR: alias a =;
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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alias a =;
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alias a =
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// CHECK:STDERR: fail_syntax.carbon:[[@LINE+4]]:1: error: expected expression [ExpectedExpr]
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// CHECK:STDERR: }
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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}
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alias a = b
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// CHECK:STDERR: fail_syntax.carbon:[[@LINE+56]]:26: error: `alias` declarations must end with a `;` [ExpectedDeclSemi]
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// CHECK:STDERR: // CHECK:STDOUT: (root)
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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// CHECK:STDOUT: - filename: fail_syntax.carbon
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// CHECK:STDOUT: ╭─FileStart ''
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// CHECK:STDOUT: │ ╭─AliasIntroducer 'alias'
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// CHECK:STDOUT: │ ├─InvalidParse '=' has_error
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// CHECK:STDOUT: ├─Alias ';' has_error
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// CHECK:STDOUT: │ ╭─AliasIntroducer 'alias'
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// CHECK:STDOUT: │ ├─IdentifierNameNotBeforeSignature 'a'
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// CHECK:STDOUT: ├─Alias ';' has_error
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// CHECK:STDOUT: │ ╭─AliasIntroducer 'alias'
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// CHECK:STDOUT: │ ├─IdentifierNameNotBeforeSignature 'a'
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// CHECK:STDOUT: │ ├─AliasInitializer '='
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// CHECK:STDOUT: │ ├─InvalidParse ';' has_error
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// CHECK:STDOUT: ├─Alias ';' has_error
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// CHECK:STDOUT: │ ╭─AliasIntroducer 'alias'
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// CHECK:STDOUT: │ ├─IdentifierNameNotBeforeSignature 'a'
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// CHECK:STDOUT: ├─Alias ';' has_error
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// CHECK:STDOUT: │ ╭─AliasIntroducer 'alias'
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// CHECK:STDOUT: │ ├─InvalidParse '=' has_error
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// CHECK:STDOUT: ├─Alias ';' has_error
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// CHECK:STDOUT: │ ╭─AliasIntroducer 'alias'
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// CHECK:STDOUT: │ ├─IdentifierNameNotBeforeSignature 'a'
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// CHECK:STDOUT: ├─Alias ';' has_error
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// CHECK:STDOUT: │ ╭─AliasIntroducer 'alias'
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// CHECK:STDOUT: │ ├─IdentifierNameNotBeforeSignature 'a'
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// CHECK:STDOUT: │ ├─AliasInitializer '='
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// CHECK:STDOUT: │ ├─IdentifierNameExpr 'b'
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// CHECK:STDOUT: ├─Alias ';' has_error
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// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
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// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
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// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
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// CHECK:STDOUT: │ ├─ExplicitParamList ')'
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// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '{'
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// CHECK:STDOUT: │ │ ╭─AliasIntroducer 'alias'
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// CHECK:STDOUT: │ │ ├─InvalidParse ';' has_error
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// CHECK:STDOUT: │ ├─Alias ';' has_error
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// CHECK:STDOUT: │ │ ╭─AliasIntroducer 'alias'
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// CHECK:STDOUT: │ │ ├─IdentifierNameNotBeforeSignature 'a'
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// CHECK:STDOUT: │ │ ├─AliasInitializer '='
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// CHECK:STDOUT: │ │ ├─InvalidParse ';' has_error
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// CHECK:STDOUT: │ ├─Alias ';' has_error
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// CHECK:STDOUT: │ │ ╭─AliasIntroducer 'alias'
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// CHECK:STDOUT: │ │ ├─IdentifierNameNotBeforeSignature 'a'
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// CHECK:STDOUT: │ │ ├─AliasInitializer '='
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// CHECK:STDOUT: │ │ ├─InvalidParse '}' has_error
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// CHECK:STDOUT: │ ├─Alias '=' has_error
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// CHECK:STDOUT: ├─FunctionDefinition '}'
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// CHECK:STDOUT: │ ╭─AliasIntroducer 'alias'
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// CHECK:STDOUT: │ ├─IdentifierNameNotBeforeSignature 'a'
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// CHECK:STDOUT: │ ├─AliasInitializer '='
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// CHECK:STDOUT: │ ├─IdentifierNameExpr 'b'
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// CHECK:STDOUT: ├─Alias 'b' has_error
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// CHECK:STDOUT: ├─FileEnd ''
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// CHECK:STDOUT: (root)
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