Track the start of a signature more accurately (#6760)

This change ensures that a function signature always starts with an
`IdentifierNameMaybeBeforeSignature` node (renamed from
`IdentifierNameBeforeParams`), even in the case of function declarations
like `fn F -> T` that have no parameter list. As a consequence, this
ensures that we push new entries onto `pattern_block_stack` and
`full_pattern_stack` when we start processing the function signature.
This commit is contained in:
Geoff Romer
2026-02-23 22:46:03 +00:00
committed by GitHub
parent 375a736c42
commit 4a0cf6c1fb
282 changed files with 1041 additions and 1039 deletions
@@ -35,22 +35,22 @@ interface I {
// CHECK:STDOUT: {kind: 'LibraryName', text: '"associated_constants"'},
// CHECK:STDOUT: {kind: 'LibraryDecl', text: ';', subtree_size: 3},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'I'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'I'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'AssociatedConstantIntroducer', text: 'let'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'T'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'T'},
// CHECK:STDOUT: {kind: 'TypeTypeLiteral', text: 'type'},
// CHECK:STDOUT: {kind: 'AssociatedConstantNameAndType', text: ':!', subtree_size: 3},
// CHECK:STDOUT: {kind: 'AssociatedConstantDecl', text: ';', subtree_size: 5},
// CHECK:STDOUT: {kind: 'AssociatedConstantIntroducer', text: 'let'},
// CHECK:STDOUT: {kind: 'FinalModifier', text: 'final'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'I'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'I'},
// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
// CHECK:STDOUT: {kind: 'AssociatedConstantNameAndType', text: ':!', subtree_size: 3},
// CHECK:STDOUT: {kind: 'AssociatedConstantDecl', text: ';', subtree_size: 6},
// CHECK:STDOUT: {kind: 'AssociatedConstantIntroducer', text: 'let'},
// CHECK:STDOUT: {kind: 'DefaultModifier', text: 'default'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'D'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'D'},
// CHECK:STDOUT: {kind: 'BoolTypeLiteral', text: 'bool'},
// CHECK:STDOUT: {kind: 'AssociatedConstantNameAndType', text: ':!', subtree_size: 3},
// CHECK:STDOUT: {kind: 'AssociatedConstantDecl', text: ';', subtree_size: 6},
@@ -64,10 +64,10 @@ interface I {
// CHECK:STDOUT: {kind: 'LibraryName', text: '"initializer"'},
// CHECK:STDOUT: {kind: 'LibraryDecl', text: ';', subtree_size: 3},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'I'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'I'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'AssociatedConstantIntroducer', text: 'let'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'T'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'T'},
// CHECK:STDOUT: {kind: 'TypeTypeLiteral', text: 'type'},
// CHECK:STDOUT: {kind: 'AssociatedConstantNameAndType', text: ':!', subtree_size: 3},
// CHECK:STDOUT: {kind: 'AssociatedConstantInitializer', text: '='},
@@ -79,7 +79,7 @@ interface I {
// CHECK:STDOUT: {kind: 'AssociatedConstantDecl', text: ';', subtree_size: 11},
// CHECK:STDOUT: {kind: 'AssociatedConstantIntroducer', text: 'let'},
// CHECK:STDOUT: {kind: 'FinalModifier', text: 'final'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'I'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'I'},
// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
// CHECK:STDOUT: {kind: 'AssociatedConstantNameAndType', text: ':!', subtree_size: 3},
// CHECK:STDOUT: {kind: 'AssociatedConstantInitializer', text: '='},
@@ -87,7 +87,7 @@ interface I {
// CHECK:STDOUT: {kind: 'AssociatedConstantDecl', text: ';', subtree_size: 8},
// CHECK:STDOUT: {kind: 'AssociatedConstantIntroducer', text: 'let'},
// CHECK:STDOUT: {kind: 'DefaultModifier', text: 'default'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'D'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'D'},
// CHECK:STDOUT: {kind: 'BoolTypeLiteral', text: 'bool'},
// CHECK:STDOUT: {kind: 'AssociatedConstantNameAndType', text: ':!', subtree_size: 3},
// CHECK:STDOUT: {kind: 'AssociatedConstantInitializer', text: '='},
+5 -5
View File
@@ -17,17 +17,17 @@ interface Foo {
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Foo'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Foo'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameBeforeParams', text: 'Add'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'Add'},
// CHECK:STDOUT: {kind: 'ImplicitParamListStart', text: '['},
// CHECK:STDOUT: {kind: 'SelfValueName', text: 'self'},
// CHECK:STDOUT: {kind: 'SelfTypeNameExpr', text: 'Self'},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 3},
// CHECK:STDOUT: {kind: 'ImplicitParamList', text: ']', subtree_size: 5},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'b'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'b'},
// CHECK:STDOUT: {kind: 'SelfTypeNameExpr', text: 'Self'},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 3},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 5},
@@ -35,14 +35,14 @@ interface Foo {
// CHECK:STDOUT: {kind: 'ReturnType', text: '->', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 15},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameBeforeParams', text: 'Add'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'Add'},
// CHECK:STDOUT: {kind: 'ImplicitParamListStart', text: '['},
// CHECK:STDOUT: {kind: 'SelfValueName', text: 'self'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'foo'},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 3},
// CHECK:STDOUT: {kind: 'ImplicitParamList', text: ']', subtree_size: 5},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'b'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'b'},
// CHECK:STDOUT: {kind: 'SelfTypeNameExpr', text: 'Self'},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 3},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 5},
@@ -14,7 +14,7 @@ interface Foo;
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Foo'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Foo'},
// CHECK:STDOUT: {kind: 'InterfaceDecl', text: ';', subtree_size: 3},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
@@ -21,17 +21,17 @@ interface Foo {
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Foo'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Foo'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameBeforeParams', text: 'Scale'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'Scale'},
// CHECK:STDOUT: {kind: 'ImplicitParamListStart', text: '['},
// CHECK:STDOUT: {kind: 'SelfValueName', text: 'self'},
// CHECK:STDOUT: {kind: 'SelfTypeNameExpr', text: 'Self'},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 3},
// CHECK:STDOUT: {kind: 'ImplicitParamList', text: ']', subtree_size: 5},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 's'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 's'},
// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 3},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 5},
@@ -40,7 +40,7 @@ interface Foo {
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 15},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'DefaultModifier', text: 'default'},
// CHECK:STDOUT: {kind: 'IdentifierNameBeforeParams', text: 'Invert'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'Invert'},
// CHECK:STDOUT: {kind: 'ImplicitParamListStart', text: '['},
// CHECK:STDOUT: {kind: 'SelfValueName', text: 'self'},
// CHECK:STDOUT: {kind: 'SelfTypeNameExpr', text: 'Self'},
@@ -53,7 +53,7 @@ interface Foo {
// CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '{', subtree_size: 13},
// CHECK:STDOUT: {kind: 'ReturnStatementStart', text: 'return'},
// CHECK:STDOUT: {kind: 'SelfValueNameExpr', text: 'self'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Scale'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Scale'},
// CHECK:STDOUT: {kind: 'MemberAccessExpr', text: '.', subtree_size: 3},
// CHECK:STDOUT: {kind: 'CallExprStart', text: '(', subtree_size: 4},
// CHECK:STDOUT: {kind: 'IntLiteral', text: '1'},
@@ -15,7 +15,7 @@ interface Foo {
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Foo'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Foo'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'InterfaceDefinition', text: '}', subtree_size: 4},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
@@ -101,7 +101,7 @@ interface I {
// CHECK:STDOUT: {kind: 'LibraryName', text: '"tuple_pattern"'},
// CHECK:STDOUT: {kind: 'LibraryDecl', text: ';', subtree_size: 3},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'I'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'I'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'AssociatedConstantIntroducer', text: 'let'},
// CHECK:STDOUT: {kind: 'AssociatedConstantDecl', text: ';', has_error: yes, subtree_size: 2},
@@ -115,7 +115,7 @@ interface I {
// CHECK:STDOUT: {kind: 'LibraryName', text: '"tuple_pattern_with_default"'},
// CHECK:STDOUT: {kind: 'LibraryDecl', text: ';', subtree_size: 3},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'I'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'I'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'AssociatedConstantIntroducer', text: 'let'},
// CHECK:STDOUT: {kind: 'DefaultModifier', text: 'default'},
@@ -130,7 +130,7 @@ interface I {
// CHECK:STDOUT: {kind: 'LibraryName', text: '"var_pattern"'},
// CHECK:STDOUT: {kind: 'LibraryDecl', text: ';', subtree_size: 3},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'I'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'I'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'AssociatedConstantIntroducer', text: 'let'},
// CHECK:STDOUT: {kind: 'AssociatedConstantDecl', text: ';', has_error: yes, subtree_size: 2},
@@ -144,7 +144,7 @@ interface I {
// CHECK:STDOUT: {kind: 'LibraryName', text: '"var_pattern_with_default"'},
// CHECK:STDOUT: {kind: 'LibraryDecl', text: ';', subtree_size: 3},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'I'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'I'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'AssociatedConstantIntroducer', text: 'let'},
// CHECK:STDOUT: {kind: 'DefaultModifier', text: 'default'},
@@ -159,7 +159,7 @@ interface I {
// CHECK:STDOUT: {kind: 'LibraryName', text: '"not_constant"'},
// CHECK:STDOUT: {kind: 'LibraryDecl', text: ';', subtree_size: 3},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'I'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'I'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'AssociatedConstantIntroducer', text: 'let'},
// CHECK:STDOUT: {kind: 'AssociatedConstantDecl', text: ';', has_error: yes, subtree_size: 2},
@@ -173,7 +173,7 @@ interface I {
// CHECK:STDOUT: {kind: 'LibraryName', text: '"template"'},
// CHECK:STDOUT: {kind: 'LibraryDecl', text: ';', subtree_size: 3},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'I'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'I'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'AssociatedConstantIntroducer', text: 'let'},
// CHECK:STDOUT: {kind: 'AssociatedConstantDecl', text: ';', has_error: yes, subtree_size: 2},
@@ -187,7 +187,7 @@ interface I {
// CHECK:STDOUT: {kind: 'LibraryName', text: '"underscore"'},
// CHECK:STDOUT: {kind: 'LibraryDecl', text: ';', subtree_size: 3},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'I'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'I'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'AssociatedConstantIntroducer', text: 'let'},
// CHECK:STDOUT: {kind: 'AssociatedConstantDecl', text: ';', has_error: yes, subtree_size: 2},
@@ -24,10 +24,10 @@ interface Foo
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Bar'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Bar'},
// CHECK:STDOUT: {kind: 'InterfaceDecl', text: '}', has_error: yes, subtree_size: 3},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Foo'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Foo'},
// CHECK:STDOUT: {kind: 'InterfaceDecl', text: 'Foo', has_error: yes, subtree_size: 3},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
@@ -26,17 +26,17 @@ interface Foo {
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Foo'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Foo'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameBeforeParams', text: 'Sub'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'Sub'},
// CHECK:STDOUT: {kind: 'ImplicitParamListStart', text: '['},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'me'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'me'},
// CHECK:STDOUT: {kind: 'InvalidParse', text: 'Self', has_error: yes},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: 'me', has_error: yes, subtree_size: 3},
// CHECK:STDOUT: {kind: 'ImplicitParamList', text: ']', has_error: yes, subtree_size: 5},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'b'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'b'},
// CHECK:STDOUT: {kind: 'SelfTypeNameExpr', text: 'Self'},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 3},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 5},
@@ -44,14 +44,14 @@ interface Foo {
// CHECK:STDOUT: {kind: 'ReturnType', text: '->', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 15},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameBeforeParams', text: 'Mul'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'Mul'},
// CHECK:STDOUT: {kind: 'ImplicitParamListStart', text: '['},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Self', has_error: yes},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Self', has_error: yes},
// CHECK:STDOUT: {kind: 'InvalidParse', text: 'Self', has_error: yes},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: 'Self', has_error: yes, subtree_size: 3},
// CHECK:STDOUT: {kind: 'ImplicitParamList', text: ']', has_error: yes, subtree_size: 5},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'b'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'b'},
// CHECK:STDOUT: {kind: 'SelfTypeNameExpr', text: 'Self'},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 3},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 5},
@@ -19,17 +19,17 @@ interface Order {
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Order'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Order'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameBeforeParams', text: 'Less'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'Less'},
// CHECK:STDOUT: {kind: 'ImplicitParamListStart', text: '['},
// CHECK:STDOUT: {kind: 'SelfValueName', text: 'self'},
// CHECK:STDOUT: {kind: 'SelfTypeNameExpr', text: 'Self'},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 3},
// CHECK:STDOUT: {kind: 'ImplicitParamList', text: ']', subtree_size: 5},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'right'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'right'},
// CHECK:STDOUT: {kind: 'SelfTypeNameExpr', text: 'Self'},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 3},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 5},
@@ -38,14 +38,14 @@ interface Order {
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 15},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'FinalModifier', text: 'final'},
// CHECK:STDOUT: {kind: 'IdentifierNameBeforeParams', text: 'Greater'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'Greater'},
// CHECK:STDOUT: {kind: 'ImplicitParamListStart', text: '['},
// CHECK:STDOUT: {kind: 'SelfValueName', text: 'self'},
// CHECK:STDOUT: {kind: 'SelfTypeNameExpr', text: 'Self'},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 3},
// CHECK:STDOUT: {kind: 'ImplicitParamList', text: ']', subtree_size: 5},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'right'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'right'},
// CHECK:STDOUT: {kind: 'SelfTypeNameExpr', text: 'Self'},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 3},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 5},
@@ -54,7 +54,7 @@ interface Order {
// CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '{', subtree_size: 16},
// CHECK:STDOUT: {kind: 'ReturnStatementStart', text: 'return'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'right'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Less'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Less'},
// CHECK:STDOUT: {kind: 'MemberAccessExpr', text: '.', subtree_size: 3},
// CHECK:STDOUT: {kind: 'CallExprStart', text: '(', subtree_size: 4},
// CHECK:STDOUT: {kind: 'SelfValueNameExpr', text: 'self'},
@@ -18,11 +18,11 @@ interface Foo {
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Foo'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Foo'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'FinalModifier', text: 'final'},
// CHECK:STDOUT: {kind: 'IdentifierNameBeforeParams', text: 'Add'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'Add'},
// CHECK:STDOUT: {kind: 'ImplicitParamListStart', text: '['},
// CHECK:STDOUT: {kind: 'SelfValueName', text: 'self'},
// CHECK:STDOUT: {kind: 'SelfTypeNameExpr', text: 'Self'},
@@ -30,7 +30,7 @@ interface Foo {
// CHECK:STDOUT: {kind: 'UnusedPattern', text: 'unused', subtree_size: 4},
// CHECK:STDOUT: {kind: 'ImplicitParamList', text: ']', subtree_size: 6},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'b'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'b'},
// CHECK:STDOUT: {kind: 'SelfTypeNameExpr', text: 'Self'},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 3},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 5},
@@ -16,10 +16,10 @@ interface Foo {
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Foo'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Foo'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameBeforeParams', text: 'FooFactory'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'FooFactory'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'SelfTypeNameExpr', text: 'Self'},
+21 -21
View File
@@ -96,11 +96,11 @@ interface Z {
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Y'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Y'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'InterfaceDefinition', text: '}', subtree_size: 4},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Z'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Z'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'RequireIntroducer', text: 'require'},
// CHECK:STDOUT: {kind: 'RequireDefaultSelfImpls', text: 'impls'},
@@ -113,11 +113,11 @@ interface Z {
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Y'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Y'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'InterfaceDefinition', text: '}', subtree_size: 4},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Z'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Z'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'RequireIntroducer', text: 'require'},
// CHECK:STDOUT: {kind: 'SelfTypeNameExpr', text: 'Self'},
@@ -131,22 +131,22 @@ interface Z {
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Y'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Y'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'AssociatedConstantIntroducer', text: 'let'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Y1'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Y1'},
// CHECK:STDOUT: {kind: 'TypeTypeLiteral', text: 'type'},
// CHECK:STDOUT: {kind: 'AssociatedConstantNameAndType', text: ':!', subtree_size: 3},
// CHECK:STDOUT: {kind: 'AssociatedConstantDecl', text: ';', subtree_size: 5},
// CHECK:STDOUT: {kind: 'InterfaceDefinition', text: '}', subtree_size: 9},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Z'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Z'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'RequireIntroducer', text: 'require'},
// CHECK:STDOUT: {kind: 'RequireDefaultSelfImpls', text: 'impls'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'Y'},
// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Y1'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Y1'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'TupleLiteralStart', text: '('},
// CHECK:STDOUT: {kind: 'TupleLiteral', text: ')', subtree_size: 2},
@@ -160,13 +160,13 @@ interface Z {
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Y'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Y'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'InterfaceDefinition', text: '}', subtree_size: 4},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameBeforeParams', text: 'Z'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'Z'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'T'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'T'},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPatternStart', text: ':!', subtree_size: 2},
// CHECK:STDOUT: {kind: 'TypeTypeLiteral', text: 'type'},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPattern', text: ':!', subtree_size: 4},
@@ -184,11 +184,11 @@ interface Z {
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Y'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Y'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'InterfaceDefinition', text: '}', subtree_size: 4},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Z'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Z'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'RequireIntroducer', text: 'require'},
// CHECK:STDOUT: {kind: 'ExtendModifier', text: 'extend'},
@@ -202,11 +202,11 @@ interface Z {
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Y'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Y'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'InterfaceDefinition', text: '}', subtree_size: 4},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Z'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Z'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'RequireIntroducer', text: 'require'},
// CHECK:STDOUT: {kind: 'RequireDefaultSelfImpls', text: 'impls'},
@@ -221,11 +221,11 @@ interface Z {
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Y'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Y'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'InterfaceDefinition', text: '}', subtree_size: 4},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Z'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Z'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'RequireIntroducer', text: 'require'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'Y'},
@@ -237,11 +237,11 @@ interface Z {
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Y'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Y'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'InterfaceDefinition', text: '}', subtree_size: 4},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Z'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Z'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'RequireIntroducer', text: 'require'},
// CHECK:STDOUT: {kind: 'InvalidParse', text: 'as', has_error: yes},
@@ -253,11 +253,11 @@ interface Z {
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Y'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Y'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'InterfaceDefinition', text: '}', subtree_size: 4},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Z'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Z'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'RequireIntroducer', text: 'require'},
// CHECK:STDOUT: {kind: 'SelfTypeNameExpr', text: 'Self'},
@@ -17,10 +17,10 @@ interface Foo {
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'Foo'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Foo'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameBeforeParams', text: 'Sub'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'Sub'},
// CHECK:STDOUT: {kind: 'ImplicitParamListStart', text: '['},
// CHECK:STDOUT: {kind: 'SelfValueName', text: 'self'},
// CHECK:STDOUT: {kind: 'RefBindingName', text: 'ref', subtree_size: 2},
@@ -28,7 +28,7 @@ interface Foo {
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 4},
// CHECK:STDOUT: {kind: 'ImplicitParamList', text: ']', subtree_size: 6},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'b'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'b'},
// CHECK:STDOUT: {kind: 'SelfTypeNameExpr', text: 'Self'},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 3},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 5},
@@ -36,7 +36,7 @@ interface Foo {
// CHECK:STDOUT: {kind: 'ReturnType', text: '->', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 16},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameBeforeParams', text: 'Sub'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'Sub'},
// CHECK:STDOUT: {kind: 'ImplicitParamListStart', text: '['},
// CHECK:STDOUT: {kind: 'SelfValueName', text: 'self'},
// CHECK:STDOUT: {kind: 'RefBindingName', text: 'ref', subtree_size: 2},
@@ -44,7 +44,7 @@ interface Foo {
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 4},
// CHECK:STDOUT: {kind: 'ImplicitParamList', text: ']', subtree_size: 6},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'b'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'b'},
// CHECK:STDOUT: {kind: 'SelfTypeNameExpr', text: 'Self'},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 3},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 5},