mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-25 14:20:19 +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`.
89 lines
4.6 KiB
Plaintext
89 lines
4.6 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/basic.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/basic.carbon
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fn Foo(T: type where .Self == i32);
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interface I {
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let T: type where .Foo impls Bar;
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}
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let generic T: type where .U = .V;
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fn F() {
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let generic U: type where .W == .X;
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}
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// CHECK:STDOUT: - filename: basic.carbon
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// CHECK:STDOUT: ╭─FileStart ''
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// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
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// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'Foo'
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// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
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// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
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// CHECK:STDOUT: │ │ │ ├─BindingPatternTypeStart ':'
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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: │ │ │ │ │ ├─IntTypeLiteral 'i32'
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// CHECK:STDOUT: │ │ │ │ ├─RequirementEqualEqual '=='
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// CHECK:STDOUT: │ │ │ ├─WhereExpr 'where'
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// CHECK:STDOUT: │ │ ├─LetBindingPattern ':'
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// CHECK:STDOUT: │ ├─ExplicitParamList ')'
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// CHECK:STDOUT: ├─FunctionDecl ';'
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// CHECK:STDOUT: │ ╭─InterfaceIntroducer 'interface'
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// CHECK:STDOUT: │ ├─IdentifierNameNotBeforeSignature 'I'
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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: │ │ │ │ ╭─WhereOperand 'where'
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// CHECK:STDOUT: │ │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'Foo'
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// CHECK:STDOUT: │ │ │ │ │ ╭─DesignatorExpr '.'
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// CHECK:STDOUT: │ │ │ │ │ ├─IdentifierNameExpr 'Bar'
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// CHECK:STDOUT: │ │ │ │ ├─RequirementImpls 'impls'
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// CHECK:STDOUT: │ │ │ ├─WhereExpr 'where'
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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: │ ╭─LetIntroducer 'let'
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// CHECK:STDOUT: │ │ ╭─IdentifierNameNotBeforeSignature 'T'
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// CHECK:STDOUT: │ │ ├─CompileTimeBindingPatternTypeStart ':'
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// CHECK:STDOUT: │ │ │ ╭─TypeTypeLiteral 'type'
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// CHECK:STDOUT: │ │ │ ╭─WhereOperand 'where'
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// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'U'
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// CHECK:STDOUT: │ │ │ │ ╭─DesignatorExpr '.'
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// CHECK:STDOUT: │ │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'V'
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// CHECK:STDOUT: │ │ │ │ ├─DesignatorExpr '.'
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// CHECK:STDOUT: │ │ │ ├─RequirementEqual '='
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// CHECK:STDOUT: │ │ ├─WhereExpr 'where'
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// CHECK:STDOUT: │ ├─CompileTimeBindingPattern ':'
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// CHECK:STDOUT: ├─LetDecl ';'
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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: │ │ ╭─LetIntroducer 'let'
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// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'U'
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// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
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// CHECK:STDOUT: │ │ │ │ ╭─TypeTypeLiteral 'type'
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// CHECK:STDOUT: │ │ │ │ ╭─WhereOperand 'where'
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// CHECK:STDOUT: │ │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'W'
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// CHECK:STDOUT: │ │ │ │ │ ╭─DesignatorExpr '.'
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// CHECK:STDOUT: │ │ │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'X'
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// CHECK:STDOUT: │ │ │ │ │ ├─DesignatorExpr '.'
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// CHECK:STDOUT: │ │ │ │ ├─RequirementEqualEqual '=='
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// CHECK:STDOUT: │ │ │ ├─WhereExpr 'where'
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// CHECK:STDOUT: │ │ ├─CompileTimeBindingPattern ':'
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// CHECK:STDOUT: │ ├─LetDecl ';'
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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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