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carbon-lang/toolchain/parse/testdata/generics/params/name_qualifier.carbon
T
Geoff Romer 6429c1655c Make the tree structure more explicit in parse dumps (#7591) 
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`.
2026-07-31 16:44:18 +00:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/parse/testdata/generics/params/name_qualifier.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/parse/testdata/generics/params/name_qualifier.carbon
class GenericClass1(T: type) {
fn F();
}
fn GenericClass1(T: type).F() {}
class GenericClass2[T: type](X: T) {
fn F();
}
fn GenericClass2[T: type](X: T).F() {}
class OuterGeneric(T: type) {
class InnerGeneric(U: type);
}
class OuterGeneric(T: type).InnerGeneric(U: type) {
fn F(x: T, y: U);
}
fn OuterGeneric(T: type).InnerGeneric(U: type).F(x: T, y: U) {}
// CHECK:STDOUT: - filename: name_qualifier.carbon
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─ClassIntroducer 'class'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'GenericClass1'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ ├─TypeTypeLiteral 'type'
// CHECK:STDOUT: │ │ ├─CompileTimeBindingPattern ':'
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─ClassDefinitionStart '{'
// CHECK:STDOUT: │ │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ├─FunctionDecl ';'
// CHECK:STDOUT: ├─ClassDefinition '}'
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ │ ╭─IdentifierNameMaybeBeforeSignature 'GenericClass1'
// CHECK:STDOUT: │ │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
// CHECK:STDOUT: │ │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ │ ├─TypeTypeLiteral 'type'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPattern ':'
// CHECK:STDOUT: │ │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ├─IdentifierNameQualifierWithParams '.'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT: ├─FunctionDefinition '}'
// CHECK:STDOUT: │ ╭─ClassIntroducer 'class'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'GenericClass2'
// CHECK:STDOUT: │ │ ╭─ImplicitParamListStart '['
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ ├─TypeTypeLiteral 'type'
// CHECK:STDOUT: │ │ ├─CompileTimeBindingPattern ':'
// CHECK:STDOUT: │ ├─ImplicitParamList ']'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'X'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ ├─IdentifierNameExpr 'T'
// CHECK:STDOUT: │ │ ├─CompileTimeBindingPattern ':'
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─ClassDefinitionStart '{'
// CHECK:STDOUT: │ │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ├─FunctionDecl ';'
// CHECK:STDOUT: ├─ClassDefinition '}'
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ │ ╭─IdentifierNameMaybeBeforeSignature 'GenericClass2'
// CHECK:STDOUT: │ │ │ ╭─ImplicitParamListStart '['
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
// CHECK:STDOUT: │ │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ │ ├─TypeTypeLiteral 'type'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPattern ':'
// CHECK:STDOUT: │ │ ├─ImplicitParamList ']'
// CHECK:STDOUT: │ │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'X'
// CHECK:STDOUT: │ │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ │ ├─IdentifierNameExpr 'T'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPattern ':'
// CHECK:STDOUT: │ │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ├─IdentifierNameQualifierWithParams '.'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT: ├─FunctionDefinition '}'
// CHECK:STDOUT: │ ╭─ClassIntroducer 'class'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'OuterGeneric'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ ├─TypeTypeLiteral 'type'
// CHECK:STDOUT: │ │ ├─CompileTimeBindingPattern ':'
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─ClassDefinitionStart '{'
// CHECK:STDOUT: │ │ ╭─ClassIntroducer 'class'
// CHECK:STDOUT: │ │ ├─IdentifierNameMaybeBeforeSignature 'InnerGeneric'
// CHECK:STDOUT: │ │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'U'
// CHECK:STDOUT: │ │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ │ ├─TypeTypeLiteral 'type'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPattern ':'
// CHECK:STDOUT: │ │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ├─ClassDecl ';'
// CHECK:STDOUT: ├─ClassDefinition '}'
// CHECK:STDOUT: │ ╭─ClassIntroducer 'class'
// CHECK:STDOUT: │ │ ╭─IdentifierNameMaybeBeforeSignature 'OuterGeneric'
// CHECK:STDOUT: │ │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
// CHECK:STDOUT: │ │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ │ ├─TypeTypeLiteral 'type'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPattern ':'
// CHECK:STDOUT: │ │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ├─IdentifierNameQualifierWithParams '.'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'InnerGeneric'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'U'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ ├─TypeTypeLiteral 'type'
// CHECK:STDOUT: │ │ ├─CompileTimeBindingPattern ':'
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─ClassDefinitionStart '{'
// CHECK:STDOUT: │ │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'x'
// CHECK:STDOUT: │ │ │ │ ├─BindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ │ ├─IdentifierNameExpr 'T'
// CHECK:STDOUT: │ │ │ ├─LetBindingPattern ':'
// CHECK:STDOUT: │ │ │ ├─PatternListComma ','
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'y'
// CHECK:STDOUT: │ │ │ │ ├─BindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ │ ├─IdentifierNameExpr 'U'
// CHECK:STDOUT: │ │ │ ├─LetBindingPattern ':'
// CHECK:STDOUT: │ │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ├─FunctionDecl ';'
// CHECK:STDOUT: ├─ClassDefinition '}'
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ │ ╭─IdentifierNameMaybeBeforeSignature 'OuterGeneric'
// CHECK:STDOUT: │ │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
// CHECK:STDOUT: │ │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ │ ├─TypeTypeLiteral 'type'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPattern ':'
// CHECK:STDOUT: │ │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ├─IdentifierNameQualifierWithParams '.'
// CHECK:STDOUT: │ │ ╭─IdentifierNameMaybeBeforeSignature 'InnerGeneric'
// CHECK:STDOUT: │ │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'U'
// CHECK:STDOUT: │ │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ │ ├─TypeTypeLiteral 'type'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPattern ':'
// CHECK:STDOUT: │ │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ├─IdentifierNameQualifierWithParams '.'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'x'
// CHECK:STDOUT: │ │ │ ├─BindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ ├─IdentifierNameExpr 'T'
// CHECK:STDOUT: │ │ ├─LetBindingPattern ':'
// CHECK:STDOUT: │ │ ├─PatternListComma ','
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'y'
// CHECK:STDOUT: │ │ │ ├─BindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ ├─IdentifierNameExpr 'U'
// CHECK:STDOUT: │ │ ├─LetBindingPattern ':'
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT: ├─FunctionDefinition '}'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
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