mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-28 19:54:53 +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`.
60 lines
2.5 KiB
Plaintext
60 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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// 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/observe/fail_missing_expr.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/observe/fail_missing_expr.carbon
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// --- fail_missing_expr_after_observe.carbon
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// CHECK:STDERR: fail_missing_expr_after_observe.carbon:[[@LINE+4]]:9: error: expected expression [ExpectedExpr]
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// CHECK:STDERR: observe impls I;
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// CHECK:STDERR: ^~~~~
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// CHECK:STDERR:
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observe impls I;
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// --- fail_missing_expr_after_impls.carbon
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// CHECK:STDERR: fail_missing_expr_after_impls.carbon:[[@LINE+4]]:17: error: expected expression [ExpectedExpr]
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// CHECK:STDERR: observe T impls ;
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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observe T impls ;
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// --- fail_missing_impls.carbon
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// CHECK:STDERR: fail_missing_impls.carbon:[[@LINE+4]]:11: error: observe should use `==` or `impls` operator [ExpectedObserveOperator]
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// CHECK:STDERR: observe T ;
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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observe T ;
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// CHECK:STDOUT: - filename: fail_missing_expr_after_observe.carbon
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// CHECK:STDOUT: ╭─FileStart ''
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// CHECK:STDOUT: │ ╭─ObserveIntroducer 'observe'
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// CHECK:STDOUT: │ │ ╭─InvalidParse 'impls' has_error
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// CHECK:STDOUT: │ │ ├─IdentifierNameExpr 'I'
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// CHECK:STDOUT: │ ├─ObserveImpls 'impls' has_error
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// CHECK:STDOUT: ├─ObserveDecl ';' has_error
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// CHECK:STDOUT: ├─FileEnd ''
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// CHECK:STDOUT: (root)
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// CHECK:STDOUT: - filename: fail_missing_expr_after_impls.carbon
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// CHECK:STDOUT: ╭─FileStart ''
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// CHECK:STDOUT: │ ╭─ObserveIntroducer 'observe'
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// CHECK:STDOUT: │ │ ╭─IdentifierNameExpr 'T'
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// CHECK:STDOUT: │ │ ├─InvalidParse ';' has_error
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// CHECK:STDOUT: │ ├─ObserveImpls 'impls' has_error
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// CHECK:STDOUT: ├─ObserveDecl ';' has_error
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// CHECK:STDOUT: ├─FileEnd ''
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// CHECK:STDOUT: (root)
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// CHECK:STDOUT: - filename: fail_missing_impls.carbon
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// CHECK:STDOUT: ╭─FileStart ''
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// CHECK:STDOUT: │ ╭─ObserveIntroducer 'observe'
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// CHECK:STDOUT: │ ├─IdentifierNameExpr 'T'
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// CHECK:STDOUT: ├─ObserveDecl ';' has_error
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// CHECK:STDOUT: ├─FileEnd ''
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// CHECK:STDOUT: (root)
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