mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-29 16:24:58 +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`.
48 lines
2.5 KiB
Plaintext
48 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/if_expr/precedence.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/if_expr/precedence.carbon
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fn F(b: bool) -> bool {
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return if b and b then b and b else b or b;
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}
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// CHECK:STDOUT: - filename: precedence.carbon
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// CHECK:STDOUT: ╭─FileStart ''
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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: │ │ │ ╭─IdentifierNameNotBeforeSignature 'b'
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// CHECK:STDOUT: │ │ │ ├─BindingPatternTypeStart ':'
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// CHECK:STDOUT: │ │ │ ├─BoolTypeLiteral 'bool'
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// CHECK:STDOUT: │ │ ├─LetBindingPattern ':'
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// CHECK:STDOUT: │ ├─ExplicitParamList ')'
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// CHECK:STDOUT: │ │ ╭─BoolTypeLiteral 'bool'
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// CHECK:STDOUT: │ ├─ReturnType '->'
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// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '{'
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// CHECK:STDOUT: │ │ ╭─ReturnStatementStart 'return'
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// CHECK:STDOUT: │ │ │ ╭─IdentifierNameExpr 'b'
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// CHECK:STDOUT: │ │ │ ╭─ShortCircuitOperandAnd 'and'
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// CHECK:STDOUT: │ │ │ ├─IdentifierNameExpr 'b'
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// CHECK:STDOUT: │ │ │ ╭─ShortCircuitOperatorAnd 'and'
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// CHECK:STDOUT: │ │ │ ╭─IfExprIf 'if'
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// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameExpr 'b'
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// CHECK:STDOUT: │ │ │ │ ╭─ShortCircuitOperandAnd 'and'
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// CHECK:STDOUT: │ │ │ │ ├─IdentifierNameExpr 'b'
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// CHECK:STDOUT: │ │ │ │ ╭─ShortCircuitOperatorAnd 'and'
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// CHECK:STDOUT: │ │ │ ├─IfExprThen 'then'
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// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameExpr 'b'
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// CHECK:STDOUT: │ │ │ │ ╭─ShortCircuitOperandOr 'or'
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// CHECK:STDOUT: │ │ │ │ ├─IdentifierNameExpr 'b'
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// CHECK:STDOUT: │ │ │ ├─ShortCircuitOperatorOr 'or'
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// CHECK:STDOUT: │ │ ├─IfExprElse 'else'
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// CHECK:STDOUT: │ ├─ReturnStatement ';'
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// CHECK:STDOUT: ├─FunctionDefinition '}'
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// CHECK:STDOUT: ├─FileEnd ''
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// CHECK:STDOUT: (root)
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