mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-28 14:54:52 +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`.
122 lines
6.2 KiB
Plaintext
122 lines
6.2 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/where_expr/impl_where.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/where_expr/impl_where.carbon
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interface Interface {
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let T: type;
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}
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impl i32 as Interface where .T = () {
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}
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impl bool as Interface where .T = i32;
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impl () as (Interface where .T = {}) {}
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impl {} as (Interface where .T = ()) where .T = ();
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impl f64 as Interface where .T = (type where .Self impls type) {
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}
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// CHECK:STDOUT: - filename: impl_where.carbon
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// CHECK:STDOUT: ╭─FileStart ''
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// CHECK:STDOUT: │ ╭─InterfaceIntroducer 'interface'
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// CHECK:STDOUT: │ ├─IdentifierNameNotBeforeSignature 'Interface'
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// CHECK:STDOUT: │ ╭─InterfaceDefinitionStart '{'
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// CHECK:STDOUT: │ │ ╭─AssociatedConstantIntroducer 'let'
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// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
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// CHECK:STDOUT: │ │ │ ├─TypeTypeLiteral 'type'
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// CHECK:STDOUT: │ │ ├─AssociatedConstantNameAndType ':'
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// CHECK:STDOUT: │ ├─AssociatedConstantDecl ';'
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// CHECK:STDOUT: ├─InterfaceDefinition '}'
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// CHECK:STDOUT: │ ╭─ImplIntroducer 'impl'
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// CHECK:STDOUT: │ │ ╭─IntTypeLiteral 'i32'
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// CHECK:STDOUT: │ ├─ImplTypeAs 'as'
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// CHECK:STDOUT: │ │ ╭─IdentifierNameExpr 'Interface'
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// CHECK:STDOUT: │ │ ╭─WhereOperand 'where'
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// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
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// CHECK:STDOUT: │ │ │ ╭─DesignatorExpr '.'
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// CHECK:STDOUT: │ │ │ │ ╭─TupleLiteralStart '('
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// CHECK:STDOUT: │ │ │ ├─TupleLiteral ')'
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// CHECK:STDOUT: │ │ ├─RequirementEqual '='
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// CHECK:STDOUT: │ ├─WhereExpr 'where'
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// CHECK:STDOUT: │ ╭─ImplDefinitionStart '{'
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// CHECK:STDOUT: ├─ImplDefinition '}'
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// CHECK:STDOUT: │ ╭─ImplIntroducer 'impl'
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// CHECK:STDOUT: │ │ ╭─BoolTypeLiteral 'bool'
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// CHECK:STDOUT: │ ├─ImplTypeAs 'as'
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// CHECK:STDOUT: │ │ ╭─IdentifierNameExpr 'Interface'
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// CHECK:STDOUT: │ │ ╭─WhereOperand 'where'
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// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
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// CHECK:STDOUT: │ │ │ ╭─DesignatorExpr '.'
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// CHECK:STDOUT: │ │ │ ├─IntTypeLiteral 'i32'
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// CHECK:STDOUT: │ │ ├─RequirementEqual '='
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// CHECK:STDOUT: │ ├─WhereExpr 'where'
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// CHECK:STDOUT: ├─ImplDecl ';'
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// CHECK:STDOUT: │ ╭─ImplIntroducer 'impl'
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// CHECK:STDOUT: │ │ ╭─TupleLiteralStart '('
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// CHECK:STDOUT: │ │ ╭─TupleLiteral ')'
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// CHECK:STDOUT: │ ├─ImplTypeAs 'as'
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// CHECK:STDOUT: │ │ ╭─ParenExprStart '('
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// CHECK:STDOUT: │ │ │ ╭─IdentifierNameExpr 'Interface'
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// CHECK:STDOUT: │ │ │ ╭─WhereOperand 'where'
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// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
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// CHECK:STDOUT: │ │ │ │ ╭─DesignatorExpr '.'
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// CHECK:STDOUT: │ │ │ │ │ ╭─StructLiteralStart '{'
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// CHECK:STDOUT: │ │ │ │ ├─StructLiteral '}'
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// CHECK:STDOUT: │ │ │ ├─RequirementEqual '='
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// CHECK:STDOUT: │ │ ├─WhereExpr 'where'
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// CHECK:STDOUT: │ ├─ParenExpr ')'
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// CHECK:STDOUT: │ ╭─ImplDefinitionStart '{'
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// CHECK:STDOUT: ├─ImplDefinition '}'
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// CHECK:STDOUT: │ ╭─ImplIntroducer 'impl'
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// CHECK:STDOUT: │ │ ╭─StructLiteralStart '{'
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// CHECK:STDOUT: │ │ ╭─StructLiteral '}'
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// CHECK:STDOUT: │ ├─ImplTypeAs 'as'
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// CHECK:STDOUT: │ │ ╭─ParenExprStart '('
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// CHECK:STDOUT: │ │ │ ╭─IdentifierNameExpr 'Interface'
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// CHECK:STDOUT: │ │ │ ╭─WhereOperand 'where'
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// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
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// CHECK:STDOUT: │ │ │ │ ╭─DesignatorExpr '.'
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// CHECK:STDOUT: │ │ │ │ │ ╭─TupleLiteralStart '('
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// CHECK:STDOUT: │ │ │ │ ├─TupleLiteral ')'
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// CHECK:STDOUT: │ │ │ ├─RequirementEqual '='
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// CHECK:STDOUT: │ │ ├─WhereExpr 'where'
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// CHECK:STDOUT: │ │ ╭─ParenExpr ')'
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// CHECK:STDOUT: │ │ ╭─WhereOperand 'where'
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// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
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// CHECK:STDOUT: │ │ │ ╭─DesignatorExpr '.'
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// CHECK:STDOUT: │ │ │ │ ╭─TupleLiteralStart '('
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// CHECK:STDOUT: │ │ │ ├─TupleLiteral ')'
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// CHECK:STDOUT: │ │ ├─RequirementEqual '='
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// CHECK:STDOUT: │ ├─WhereExpr 'where'
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// CHECK:STDOUT: ├─ImplDecl ';'
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// CHECK:STDOUT: │ ╭─ImplIntroducer 'impl'
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// CHECK:STDOUT: │ │ ╭─FloatTypeLiteral 'f64'
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// CHECK:STDOUT: │ ├─ImplTypeAs 'as'
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// CHECK:STDOUT: │ │ ╭─IdentifierNameExpr 'Interface'
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// CHECK:STDOUT: │ │ ╭─WhereOperand 'where'
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// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
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// CHECK:STDOUT: │ │ │ ╭─DesignatorExpr '.'
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// CHECK:STDOUT: │ │ │ │ ╭─ParenExprStart '('
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// CHECK:STDOUT: │ │ │ │ │ ╭─TypeTypeLiteral 'type'
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// CHECK:STDOUT: │ │ │ │ │ ╭─WhereOperand 'where'
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// CHECK:STDOUT: │ │ │ │ │ │ ╭─SelfTypeName 'Self'
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// CHECK:STDOUT: │ │ │ │ │ │ ╭─DesignatorExpr '.'
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// CHECK:STDOUT: │ │ │ │ │ │ ├─TypeTypeLiteral 'type'
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// CHECK:STDOUT: │ │ │ │ │ ├─RequirementImpls 'impls'
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// CHECK:STDOUT: │ │ │ │ ├─WhereExpr 'where'
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// CHECK:STDOUT: │ │ │ ├─ParenExpr ')'
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// CHECK:STDOUT: │ │ ├─RequirementEqual '='
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// CHECK:STDOUT: │ ├─WhereExpr 'where'
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// CHECK:STDOUT: │ ╭─ImplDefinitionStart '{'
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// CHECK:STDOUT: ├─ImplDefinition '}'
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// CHECK:STDOUT: ├─FileEnd ''
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// CHECK:STDOUT: (root)
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