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`.
This commit is contained in:
Geoff Romer
2026-07-31 16:44:18 +00:00
committed by GitHub
parent 2c91e5f5de
commit 6429c1655c
343 changed files with 11839 additions and 12185 deletions
+65 -66
View File
@@ -21,69 +21,68 @@ fn F() {
}
// CHECK:STDOUT: - filename: basic.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'Foo'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'T'},
// CHECK:STDOUT: {kind: 'BindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'TypeTypeLiteral', text: 'type'},
// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
// CHECK:STDOUT: {kind: 'SelfTypeName', text: 'Self'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
// CHECK:STDOUT: {kind: 'RequirementEqualEqual', text: '==', subtree_size: 4},
// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', subtree_size: 7},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 10},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 12},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 15},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'I'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'AssociatedConstantIntroducer', text: 'let'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'T'},
// CHECK:STDOUT: {kind: 'TypeTypeLiteral', text: 'type'},
// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Foo'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'Bar'},
// CHECK:STDOUT: {kind: 'RequirementImpls', text: 'impls', subtree_size: 4},
// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', subtree_size: 7},
// CHECK:STDOUT: {kind: 'AssociatedConstantNameAndType', text: ':', subtree_size: 9},
// CHECK:STDOUT: {kind: 'AssociatedConstantDecl', text: ';', subtree_size: 11},
// CHECK:STDOUT: {kind: 'InterfaceDefinition', text: '}', subtree_size: 15},
// CHECK:STDOUT: {kind: 'LetIntroducer', text: 'let'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'T'},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'TypeTypeLiteral', text: 'type'},
// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'U'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'V'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'RequirementEqual', text: '=', subtree_size: 5},
// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', subtree_size: 8},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPattern', text: ':', subtree_size: 11},
// CHECK:STDOUT: {kind: 'LetDecl', text: ';', subtree_size: 13},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'F'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '{', subtree_size: 5},
// CHECK:STDOUT: {kind: 'LetIntroducer', text: 'let'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'U'},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'TypeTypeLiteral', text: 'type'},
// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'W'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'X'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'RequirementEqualEqual', text: '==', subtree_size: 5},
// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', subtree_size: 8},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPattern', text: ':', subtree_size: 11},
// CHECK:STDOUT: {kind: 'LetDecl', text: ';', subtree_size: 13},
// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 19},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'Foo'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
// CHECK:STDOUT: │ │ │ ├─BindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ │ ╭─TypeTypeLiteral 'type'
// CHECK:STDOUT: │ │ │ │ ╭─WhereOperand 'where'
// CHECK:STDOUT: │ │ │ │ │ ╭─SelfTypeName 'Self'
// CHECK:STDOUT: │ │ │ │ │ ╭─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ │ │ ├─IntTypeLiteral 'i32'
// CHECK:STDOUT: │ │ │ │ ├─RequirementEqualEqual '=='
// CHECK:STDOUT: │ │ │ ├─WhereExpr 'where'
// CHECK:STDOUT: │ │ ├─LetBindingPattern ':'
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: │ ╭─InterfaceIntroducer 'interface'
// CHECK:STDOUT: │ ├─IdentifierNameNotBeforeSignature 'I'
// CHECK:STDOUT: │ ╭─InterfaceDefinitionStart '{'
// CHECK:STDOUT: │ │ ╭─AssociatedConstantIntroducer 'let'
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
// CHECK:STDOUT: │ │ │ │ ╭─TypeTypeLiteral 'type'
// CHECK:STDOUT: │ │ │ │ ╭─WhereOperand 'where'
// CHECK:STDOUT: │ │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'Foo'
// CHECK:STDOUT: │ │ │ │ │ ╭─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ │ │ ├─IdentifierNameExpr 'Bar'
// CHECK:STDOUT: │ │ │ │ ├─RequirementImpls 'impls'
// CHECK:STDOUT: │ │ │ ├─WhereExpr 'where'
// CHECK:STDOUT: │ │ ├─AssociatedConstantNameAndType ':'
// CHECK:STDOUT: │ ├─AssociatedConstantDecl ';'
// CHECK:STDOUT: ├─InterfaceDefinition '}'
// CHECK:STDOUT: │ ╭─LetIntroducer 'let'
// CHECK:STDOUT: │ │ ╭─IdentifierNameNotBeforeSignature 'T'
// CHECK:STDOUT: │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ ╭─TypeTypeLiteral 'type'
// CHECK:STDOUT: │ │ │ ╭─WhereOperand 'where'
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'U'
// CHECK:STDOUT: │ │ │ │ ╭─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'V'
// CHECK:STDOUT: │ │ │ │ ├─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ ├─RequirementEqual '='
// CHECK:STDOUT: │ │ ├─WhereExpr 'where'
// CHECK:STDOUT: │ ├─CompileTimeBindingPattern ':'
// CHECK:STDOUT: ├─LetDecl ';'
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT: │ │ ╭─LetIntroducer 'let'
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'U'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ │ ╭─TypeTypeLiteral 'type'
// CHECK:STDOUT: │ │ │ │ ╭─WhereOperand 'where'
// CHECK:STDOUT: │ │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'W'
// CHECK:STDOUT: │ │ │ │ │ ╭─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'X'
// CHECK:STDOUT: │ │ │ │ │ ├─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ │ ├─RequirementEqualEqual '=='
// CHECK:STDOUT: │ │ │ ├─WhereExpr 'where'
// CHECK:STDOUT: │ │ ├─CompileTimeBindingPattern ':'
// CHECK:STDOUT: │ ├─LetDecl ';'
// CHECK:STDOUT: ├─FunctionDefinition '}'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
+83 -89
View File
@@ -59,100 +59,94 @@ fn FailStar() {
var x: i32 = .
// CHECK:STDERR: fail_designator_eof.carbon:[[@LINE+96]]:21: error: expected identifier or `Self` after `.` [ExpectedIdentifierOrSelfAfterPeriod]
// CHECK:STDERR: // CHECK:STDOUT: ]
// CHECK:STDERR: ^
// CHECK:STDERR: fail_designator_eof.carbon:[[@LINE+90]]:26: error: expected identifier or `Self` after `.` [ExpectedIdentifierOrSelfAfterPeriod]
// CHECK:STDERR: // CHECK:STDOUT: (root)
// CHECK:STDERR: ^
// CHECK:STDERR:
// CHECK:STDERR: fail_designator_eof.carbon:[[@LINE+92]]:21: error: `var` declarations must end with a `;` [ExpectedDeclSemi]
// CHECK:STDERR: // CHECK:STDOUT: ]
// CHECK:STDERR: ^
// CHECK:STDERR: fail_designator_eof.carbon:[[@LINE+86]]:26: error: `var` declarations must end with a `;` [ExpectedDeclSemi]
// CHECK:STDERR: // CHECK:STDOUT: (root)
// CHECK:STDERR: ^
// CHECK:STDERR:
// CHECK:STDOUT: - filename: designator.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'Success'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '{', subtree_size: 5},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'x'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'ExprStatement', text: ';', subtree_size: 3},
// CHECK:STDOUT: {kind: 'SelfTypeName', text: 'Self'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'ExprStatement', text: ';', subtree_size: 3},
// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 12},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'Success'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT: │ │ ╭─IdentifierNameNotBeforeSignature 'x'
// CHECK:STDOUT: │ │ ╭─DesignatorExpr '.'
// CHECK:STDOUT: │ ├─ExprStatement ';'
// CHECK:STDOUT: │ │ ╭─SelfTypeName 'Self'
// CHECK:STDOUT: │ │ ╭─DesignatorExpr '.'
// CHECK:STDOUT: │ ├─ExprStatement ';'
// CHECK:STDOUT: ├─FunctionDefinition '}'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_numeric_designator.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'FailNumeric'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '{', subtree_size: 5},
// CHECK:STDOUT: {kind: 'InvalidParse', text: '1', has_error: yes},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', has_error: yes, subtree_size: 2},
// CHECK:STDOUT: {kind: 'ExprStatement', text: ';', has_error: yes, subtree_size: 3},
// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 9},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'FailNumeric'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT: │ │ ╭─InvalidParse '1' has_error
// CHECK:STDOUT: │ │ ╭─DesignatorExpr '.' has_error
// CHECK:STDOUT: │ ├─ExprStatement ';' has_error
// CHECK:STDOUT: ├─FunctionDefinition '}'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_keyword_designator.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'FailKeyword'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '{', subtree_size: 5},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'base', has_error: yes},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', has_error: yes, subtree_size: 2},
// CHECK:STDOUT: {kind: 'ExprStatement', text: ';', has_error: yes, subtree_size: 3},
// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 9},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'FailKeyword'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT: │ │ ╭─IdentifierNameNotBeforeSignature 'base' has_error
// CHECK:STDOUT: │ │ ╭─DesignatorExpr '.' has_error
// CHECK:STDOUT: │ ├─ExprStatement ';' has_error
// CHECK:STDOUT: ├─FunctionDefinition '}'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_empty_designator.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'FailEmpty'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '{', subtree_size: 5},
// CHECK:STDOUT: {kind: 'InvalidParse', text: ';', has_error: yes},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', has_error: yes, subtree_size: 2},
// CHECK:STDOUT: {kind: 'ExprStatement', text: ';', has_error: yes, subtree_size: 3},
// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 9},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'FailEmpty'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT: │ │ ╭─InvalidParse ';' has_error
// CHECK:STDOUT: │ │ ╭─DesignatorExpr '.' has_error
// CHECK:STDOUT: │ ├─ExprStatement ';' has_error
// CHECK:STDOUT: ├─FunctionDefinition '}'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_star_designator.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'FailStar'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '{', subtree_size: 5},
// CHECK:STDOUT: {kind: 'InvalidParse', text: '*', has_error: yes},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', has_error: yes, subtree_size: 2},
// CHECK:STDOUT: {kind: 'PostfixOperatorStar', text: '*', has_error: yes, subtree_size: 3},
// CHECK:STDOUT: {kind: 'ExprStatement', text: ';', subtree_size: 4},
// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 10},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'FailStar'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT: │ │ ╭─InvalidParse '*' has_error
// CHECK:STDOUT: │ │ ╭─DesignatorExpr '.' has_error
// CHECK:STDOUT: │ │ ╭─PostfixOperatorStar '*' has_error
// CHECK:STDOUT: │ ├─ExprStatement ';'
// CHECK:STDOUT: ├─FunctionDefinition '}'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_designator_eof.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'VariableIntroducer', text: 'var'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'x'},
// CHECK:STDOUT: {kind: 'BindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
// CHECK:STDOUT: {kind: 'VarBindingPattern', text: ':', subtree_size: 4},
// CHECK:STDOUT: {kind: 'VariablePattern', text: 'var', subtree_size: 5},
// CHECK:STDOUT: {kind: 'VariableInitializer', text: '='},
// CHECK:STDOUT: {kind: 'InvalidParse', text: '', has_error: yes},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', has_error: yes, subtree_size: 2},
// CHECK:STDOUT: {kind: 'VariableDecl', text: '.', has_error: yes, subtree_size: 10},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─VariableIntroducer 'var'
// CHECK:STDOUT: │ │ ╭─IdentifierNameNotBeforeSignature 'x'
// CHECK:STDOUT: │ │ ├─BindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ ├─IntTypeLiteral 'i32'
// CHECK:STDOUT: │ │ ╭─VarBindingPattern ':'
// CHECK:STDOUT: │ ├─VariablePattern 'var'
// CHECK:STDOUT: │ ├─VariableInitializer '='
// CHECK:STDOUT: │ │ ╭─InvalidParse '' has_error
// CHECK:STDOUT: │ ├─DesignatorExpr '.' has_error
// CHECK:STDOUT: ├─VariableDecl '.' has_error
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
+122 -129
View File
@@ -68,138 +68,131 @@ fn BinaryOpAfterDesignator(generic Y: N where .O + .P = {});
fn AfterAnd(generic Z: Q where .R impls S and () = .A);
// CHECK:STDOUT: - filename: fail_not_designator.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'NotDesignator'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'T'},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'TypeTypeLiteral', text: 'type'},
// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', has_error: yes, subtree_size: 4},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPattern', text: ':', has_error: yes, subtree_size: 7},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', has_error: yes, subtree_size: 9},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 12},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'NotDesignator'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ │ ╭─TypeTypeLiteral 'type'
// CHECK:STDOUT: │ │ │ │ ╭─WhereOperand 'where'
// CHECK:STDOUT: │ │ │ │ ├─IntTypeLiteral 'i32'
// CHECK:STDOUT: │ │ │ ├─WhereExpr 'where' has_error
// CHECK:STDOUT: │ │ ├─CompileTimeBindingPattern ':' has_error
// CHECK:STDOUT: │ ├─ExplicitParamList ')' has_error
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_designator_in_parens.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'DesignatorInParens'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'V'},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'I'},
// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
// CHECK:STDOUT: {kind: 'ParenExprStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'J'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'ParenExpr', text: ')', subtree_size: 4},
// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', has_error: yes, subtree_size: 7},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPattern', text: ':', has_error: yes, subtree_size: 10},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', has_error: yes, subtree_size: 12},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 15},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'DesignatorInParens'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'V'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameExpr 'I'
// CHECK:STDOUT: │ │ │ │ ╭─WhereOperand 'where'
// CHECK:STDOUT: │ │ │ │ │ ╭─ParenExprStart '('
// CHECK:STDOUT: │ │ │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'J'
// CHECK:STDOUT: │ │ │ │ │ ├─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ │ ├─ParenExpr ')'
// CHECK:STDOUT: │ │ │ ├─WhereExpr 'where' has_error
// CHECK:STDOUT: │ │ ├─CompileTimeBindingPattern ':' has_error
// CHECK:STDOUT: │ ├─ExplicitParamList ')' has_error
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_dot_self.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'DotSelf'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'W'},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'K'},
// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
// CHECK:STDOUT: {kind: 'SelfTypeName', text: 'Self'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', has_error: yes, subtree_size: 5},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPattern', text: ':', has_error: yes, subtree_size: 8},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', has_error: yes, subtree_size: 10},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 13},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'DotSelf'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'W'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameExpr 'K'
// CHECK:STDOUT: │ │ │ │ ╭─WhereOperand 'where'
// CHECK:STDOUT: │ │ │ │ │ ╭─SelfTypeName 'Self'
// CHECK:STDOUT: │ │ │ │ ├─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ ├─WhereExpr 'where' has_error
// CHECK:STDOUT: │ │ ├─CompileTimeBindingPattern ':' has_error
// CHECK:STDOUT: │ ├─ExplicitParamList ')' has_error
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_dot_keyword.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'DotKeyword'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'W'},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'K'},
// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'and', has_error: yes},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', has_error: yes, subtree_size: 2},
// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', has_error: yes, subtree_size: 5},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPattern', text: ':', has_error: yes, subtree_size: 8},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', has_error: yes, subtree_size: 10},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 13},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'DotKeyword'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'W'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameExpr 'K'
// CHECK:STDOUT: │ │ │ │ ╭─WhereOperand 'where'
// CHECK:STDOUT: │ │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'and' has_error
// CHECK:STDOUT: │ │ │ │ ├─DesignatorExpr '.' has_error
// CHECK:STDOUT: │ │ │ ├─WhereExpr 'where' has_error
// CHECK:STDOUT: │ │ ├─CompileTimeBindingPattern ':' has_error
// CHECK:STDOUT: │ ├─ExplicitParamList ')' has_error
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_postfix_after_designator.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'PostfixAfterDesignator'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'X'},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'L'},
// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'M'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'PostfixOperatorStar', text: '*', subtree_size: 3},
// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', has_error: yes, subtree_size: 6},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPattern', text: ':', has_error: yes, subtree_size: 9},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', has_error: yes, subtree_size: 11},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 14},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'PostfixAfterDesignator'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'X'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameExpr 'L'
// CHECK:STDOUT: │ │ │ │ ╭─WhereOperand 'where'
// CHECK:STDOUT: │ │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'M'
// CHECK:STDOUT: │ │ │ │ │ ╭─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ │ ├─PostfixOperatorStar '*'
// CHECK:STDOUT: │ │ │ ├─WhereExpr 'where' has_error
// CHECK:STDOUT: │ │ ├─CompileTimeBindingPattern ':' has_error
// CHECK:STDOUT: │ ├─ExplicitParamList ')' has_error
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_binary_op_after_designator.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'BinaryOpAfterDesignator'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Y'},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'N'},
// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'O'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'P'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'InfixOperatorPlus', text: '+', subtree_size: 5},
// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', has_error: yes, subtree_size: 8},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPattern', text: ':', has_error: yes, subtree_size: 11},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', has_error: yes, subtree_size: 13},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 16},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'BinaryOpAfterDesignator'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'Y'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameExpr 'N'
// CHECK:STDOUT: │ │ │ │ ╭─WhereOperand 'where'
// CHECK:STDOUT: │ │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'O'
// CHECK:STDOUT: │ │ │ │ │ ╭─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'P'
// CHECK:STDOUT: │ │ │ │ │ ├─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ │ ├─InfixOperatorPlus '+'
// CHECK:STDOUT: │ │ │ ├─WhereExpr 'where' has_error
// CHECK:STDOUT: │ │ ├─CompileTimeBindingPattern ':' has_error
// CHECK:STDOUT: │ ├─ExplicitParamList ')' has_error
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_after_and.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'AfterAnd'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Z'},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'Q'},
// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'R'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'S'},
// CHECK:STDOUT: {kind: 'RequirementImpls', text: 'impls', subtree_size: 4},
// CHECK:STDOUT: {kind: 'RequirementAnd', text: 'and'},
// CHECK:STDOUT: {kind: 'TupleLiteralStart', text: '('},
// CHECK:STDOUT: {kind: 'TupleLiteral', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', has_error: yes, subtree_size: 10},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPattern', text: ':', has_error: yes, subtree_size: 13},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', has_error: yes, subtree_size: 15},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 18},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'AfterAnd'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'Z'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameExpr 'Q'
// CHECK:STDOUT: │ │ │ │ ╭─WhereOperand 'where'
// CHECK:STDOUT: │ │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'R'
// CHECK:STDOUT: │ │ │ │ │ ╭─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ │ │ ├─IdentifierNameExpr 'S'
// CHECK:STDOUT: │ │ │ │ ├─RequirementImpls 'impls'
// CHECK:STDOUT: │ │ │ │ ├─RequirementAnd 'and'
// CHECK:STDOUT: │ │ │ │ │ ╭─TupleLiteralStart '('
// CHECK:STDOUT: │ │ │ │ ├─TupleLiteral ')'
// CHECK:STDOUT: │ │ │ ├─WhereExpr 'where' has_error
// CHECK:STDOUT: │ │ ├─CompileTimeBindingPattern ':' has_error
// CHECK:STDOUT: │ ├─ExplicitParamList ')' has_error
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
+94 -95
View File
@@ -25,98 +25,97 @@ impl f64 as Interface where .T = (type where .Self impls type) {
}
// CHECK:STDOUT: - filename: impl_where.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Interface'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'AssociatedConstantIntroducer', text: 'let'},
// 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: 'InterfaceDefinition', text: '}', subtree_size: 9},
// CHECK:STDOUT: {kind: 'ImplIntroducer', text: 'impl'},
// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
// CHECK:STDOUT: {kind: 'ImplTypeAs', text: 'as', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'Interface'},
// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'T'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'TupleLiteralStart', text: '('},
// CHECK:STDOUT: {kind: 'TupleLiteral', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'RequirementEqual', text: '=', subtree_size: 5},
// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', subtree_size: 8},
// CHECK:STDOUT: {kind: 'ImplDefinitionStart', text: '{', subtree_size: 12},
// CHECK:STDOUT: {kind: 'ImplDefinition', text: '}', subtree_size: 13},
// CHECK:STDOUT: {kind: 'ImplIntroducer', text: 'impl'},
// CHECK:STDOUT: {kind: 'BoolTypeLiteral', text: 'bool'},
// CHECK:STDOUT: {kind: 'ImplTypeAs', text: 'as', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'Interface'},
// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'T'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
// CHECK:STDOUT: {kind: 'RequirementEqual', text: '=', subtree_size: 4},
// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', subtree_size: 7},
// CHECK:STDOUT: {kind: 'ImplDecl', text: ';', subtree_size: 11},
// CHECK:STDOUT: {kind: 'ImplIntroducer', text: 'impl'},
// CHECK:STDOUT: {kind: 'TupleLiteralStart', text: '('},
// CHECK:STDOUT: {kind: 'TupleLiteral', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'ImplTypeAs', text: 'as', subtree_size: 3},
// CHECK:STDOUT: {kind: 'ParenExprStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'Interface'},
// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'T'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'StructLiteralStart', text: '{'},
// CHECK:STDOUT: {kind: 'StructLiteral', text: '}', subtree_size: 2},
// CHECK:STDOUT: {kind: 'RequirementEqual', text: '=', subtree_size: 5},
// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', subtree_size: 8},
// CHECK:STDOUT: {kind: 'ParenExpr', text: ')', subtree_size: 10},
// CHECK:STDOUT: {kind: 'ImplDefinitionStart', text: '{', subtree_size: 15},
// CHECK:STDOUT: {kind: 'ImplDefinition', text: '}', subtree_size: 16},
// CHECK:STDOUT: {kind: 'ImplIntroducer', text: 'impl'},
// CHECK:STDOUT: {kind: 'StructLiteralStart', text: '{'},
// CHECK:STDOUT: {kind: 'StructLiteral', text: '}', subtree_size: 2},
// CHECK:STDOUT: {kind: 'ImplTypeAs', text: 'as', subtree_size: 3},
// CHECK:STDOUT: {kind: 'ParenExprStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'Interface'},
// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'T'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'TupleLiteralStart', text: '('},
// CHECK:STDOUT: {kind: 'TupleLiteral', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'RequirementEqual', text: '=', subtree_size: 5},
// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', subtree_size: 8},
// CHECK:STDOUT: {kind: 'ParenExpr', text: ')', subtree_size: 10},
// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 11},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'T'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'TupleLiteralStart', text: '('},
// CHECK:STDOUT: {kind: 'TupleLiteral', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'RequirementEqual', text: '=', subtree_size: 5},
// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', subtree_size: 17},
// CHECK:STDOUT: {kind: 'ImplDecl', text: ';', subtree_size: 22},
// CHECK:STDOUT: {kind: 'ImplIntroducer', text: 'impl'},
// CHECK:STDOUT: {kind: 'FloatTypeLiteral', text: 'f64'},
// CHECK:STDOUT: {kind: 'ImplTypeAs', text: 'as', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'Interface'},
// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'T'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'ParenExprStart', text: '('},
// CHECK:STDOUT: {kind: 'TypeTypeLiteral', text: 'type'},
// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
// CHECK:STDOUT: {kind: 'SelfTypeName', text: 'Self'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'TypeTypeLiteral', text: 'type'},
// CHECK:STDOUT: {kind: 'RequirementImpls', text: 'impls', subtree_size: 4},
// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', subtree_size: 7},
// CHECK:STDOUT: {kind: 'ParenExpr', text: ')', subtree_size: 9},
// CHECK:STDOUT: {kind: 'RequirementEqual', text: '=', subtree_size: 12},
// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', subtree_size: 15},
// CHECK:STDOUT: {kind: 'ImplDefinitionStart', text: '{', subtree_size: 19},
// CHECK:STDOUT: {kind: 'ImplDefinition', text: '}', subtree_size: 20},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─InterfaceIntroducer 'interface'
// CHECK:STDOUT: │ ├─IdentifierNameNotBeforeSignature 'Interface'
// CHECK:STDOUT: │ ╭─InterfaceDefinitionStart '{'
// CHECK:STDOUT: │ │ ╭─AssociatedConstantIntroducer 'let'
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
// CHECK:STDOUT: │ │ │ ├─TypeTypeLiteral 'type'
// CHECK:STDOUT: │ │ ├─AssociatedConstantNameAndType ':'
// CHECK:STDOUT: │ ├─AssociatedConstantDecl ';'
// CHECK:STDOUT: ├─InterfaceDefinition '}'
// CHECK:STDOUT: │ ╭─ImplIntroducer 'impl'
// CHECK:STDOUT: │ │ ╭─IntTypeLiteral 'i32'
// CHECK:STDOUT: │ ├─ImplTypeAs 'as'
// CHECK:STDOUT: │ │ ╭─IdentifierNameExpr 'Interface'
// CHECK:STDOUT: │ │ ╭─WhereOperand 'where'
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
// CHECK:STDOUT: │ │ │ ╭─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ │ ╭─TupleLiteralStart '('
// CHECK:STDOUT: │ │ │ ├─TupleLiteral ')'
// CHECK:STDOUT: │ │ ├─RequirementEqual '='
// CHECK:STDOUT: │ ├─WhereExpr 'where'
// CHECK:STDOUT: │ ╭─ImplDefinitionStart '{'
// CHECK:STDOUT: ├─ImplDefinition '}'
// CHECK:STDOUT: │ ╭─ImplIntroducer 'impl'
// CHECK:STDOUT: │ │ ╭─BoolTypeLiteral 'bool'
// CHECK:STDOUT: │ ├─ImplTypeAs 'as'
// CHECK:STDOUT: │ │ ╭─IdentifierNameExpr 'Interface'
// CHECK:STDOUT: │ │ ╭─WhereOperand 'where'
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
// CHECK:STDOUT: │ │ │ ╭─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ ├─IntTypeLiteral 'i32'
// CHECK:STDOUT: │ │ ├─RequirementEqual '='
// CHECK:STDOUT: │ ├─WhereExpr 'where'
// CHECK:STDOUT: ├─ImplDecl ';'
// CHECK:STDOUT: │ ╭─ImplIntroducer 'impl'
// CHECK:STDOUT: │ │ ╭─TupleLiteralStart '('
// CHECK:STDOUT: │ │ ╭─TupleLiteral ')'
// CHECK:STDOUT: │ ├─ImplTypeAs 'as'
// CHECK:STDOUT: │ │ ╭─ParenExprStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameExpr 'Interface'
// CHECK:STDOUT: │ │ │ ╭─WhereOperand 'where'
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
// CHECK:STDOUT: │ │ │ │ ╭─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ │ │ ╭─StructLiteralStart '{'
// CHECK:STDOUT: │ │ │ │ ├─StructLiteral '}'
// CHECK:STDOUT: │ │ │ ├─RequirementEqual '='
// CHECK:STDOUT: │ │ ├─WhereExpr 'where'
// CHECK:STDOUT: │ ├─ParenExpr ')'
// CHECK:STDOUT: │ ╭─ImplDefinitionStart '{'
// CHECK:STDOUT: ├─ImplDefinition '}'
// CHECK:STDOUT: │ ╭─ImplIntroducer 'impl'
// CHECK:STDOUT: │ │ ╭─StructLiteralStart '{'
// CHECK:STDOUT: │ │ ╭─StructLiteral '}'
// CHECK:STDOUT: │ ├─ImplTypeAs 'as'
// CHECK:STDOUT: │ │ ╭─ParenExprStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameExpr 'Interface'
// CHECK:STDOUT: │ │ │ ╭─WhereOperand 'where'
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
// CHECK:STDOUT: │ │ │ │ ╭─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ │ │ ╭─TupleLiteralStart '('
// CHECK:STDOUT: │ │ │ │ ├─TupleLiteral ')'
// CHECK:STDOUT: │ │ │ ├─RequirementEqual '='
// CHECK:STDOUT: │ │ ├─WhereExpr 'where'
// CHECK:STDOUT: │ │ ╭─ParenExpr ')'
// CHECK:STDOUT: │ │ ╭─WhereOperand 'where'
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
// CHECK:STDOUT: │ │ │ ╭─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ │ ╭─TupleLiteralStart '('
// CHECK:STDOUT: │ │ │ ├─TupleLiteral ')'
// CHECK:STDOUT: │ │ ├─RequirementEqual '='
// CHECK:STDOUT: │ ├─WhereExpr 'where'
// CHECK:STDOUT: ├─ImplDecl ';'
// CHECK:STDOUT: │ ╭─ImplIntroducer 'impl'
// CHECK:STDOUT: │ │ ╭─FloatTypeLiteral 'f64'
// CHECK:STDOUT: │ ├─ImplTypeAs 'as'
// CHECK:STDOUT: │ │ ╭─IdentifierNameExpr 'Interface'
// CHECK:STDOUT: │ │ ╭─WhereOperand 'where'
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
// CHECK:STDOUT: │ │ │ ╭─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ │ ╭─ParenExprStart '('
// CHECK:STDOUT: │ │ │ │ │ ╭─TypeTypeLiteral 'type'
// CHECK:STDOUT: │ │ │ │ │ ╭─WhereOperand 'where'
// CHECK:STDOUT: │ │ │ │ │ │ ╭─SelfTypeName 'Self'
// CHECK:STDOUT: │ │ │ │ │ │ ╭─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ │ │ │ ├─TypeTypeLiteral 'type'
// CHECK:STDOUT: │ │ │ │ │ ├─RequirementImpls 'impls'
// CHECK:STDOUT: │ │ │ │ ├─WhereExpr 'where'
// CHECK:STDOUT: │ │ │ ├─ParenExpr ')'
// CHECK:STDOUT: │ │ ├─RequirementEqual '='
// CHECK:STDOUT: │ ├─WhereExpr 'where'
// CHECK:STDOUT: │ ╭─ImplDefinitionStart '{'
// CHECK:STDOUT: ├─ImplDefinition '}'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
+101 -105
View File
@@ -39,111 +39,107 @@ fn AndSuffix(generic Y: I where .J impls K and);
fn AndEarly(generic Z: L where .M and N);
// CHECK:STDOUT: - filename: success.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'OneAnd'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'T'},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'TypeTypeLiteral', text: 'type'},
// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'U'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
// CHECK:STDOUT: {kind: 'RequirementEqual', text: '=', subtree_size: 4},
// CHECK:STDOUT: {kind: 'RequirementAnd', text: 'and'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'V'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'W'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'RequirementEqualEqual', text: '==', subtree_size: 5},
// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', subtree_size: 13},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPattern', text: ':', subtree_size: 16},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 18},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 21},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'TwoAnd'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Y'},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'I'},
// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'J'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'K'},
// CHECK:STDOUT: {kind: 'RequirementImpls', text: 'impls', subtree_size: 4},
// CHECK:STDOUT: {kind: 'RequirementAnd', text: 'and'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'L'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'M'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'RequirementEqualEqual', text: '==', subtree_size: 5},
// CHECK:STDOUT: {kind: 'RequirementAnd', text: 'and'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'N'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'BoolTypeLiteral', text: 'bool'},
// CHECK:STDOUT: {kind: 'RequirementEqual', text: '=', subtree_size: 4},
// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', subtree_size: 18},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPattern', text: ':', subtree_size: 21},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 23},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 26},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'OneAnd'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ │ ╭─TypeTypeLiteral 'type'
// CHECK:STDOUT: │ │ │ │ ╭─WhereOperand 'where'
// CHECK:STDOUT: │ │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'U'
// CHECK:STDOUT: │ │ │ │ │ ╭─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ │ │ ├─IntTypeLiteral 'i32'
// CHECK:STDOUT: │ │ │ │ ├─RequirementEqual '='
// CHECK:STDOUT: │ │ │ │ ├─RequirementAnd 'and'
// CHECK:STDOUT: │ │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'V'
// CHECK:STDOUT: │ │ │ │ │ ╭─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'W'
// CHECK:STDOUT: │ │ │ │ │ ├─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ │ ├─RequirementEqualEqual '=='
// CHECK:STDOUT: │ │ │ ├─WhereExpr 'where'
// CHECK:STDOUT: │ │ ├─CompileTimeBindingPattern ':'
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'TwoAnd'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'Y'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameExpr 'I'
// CHECK:STDOUT: │ │ │ │ ╭─WhereOperand 'where'
// CHECK:STDOUT: │ │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'J'
// CHECK:STDOUT: │ │ │ │ │ ╭─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ │ │ ├─IdentifierNameExpr 'K'
// CHECK:STDOUT: │ │ │ │ ├─RequirementImpls 'impls'
// CHECK:STDOUT: │ │ │ │ ├─RequirementAnd 'and'
// CHECK:STDOUT: │ │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'L'
// CHECK:STDOUT: │ │ │ │ │ ╭─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'M'
// CHECK:STDOUT: │ │ │ │ │ ├─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ │ ├─RequirementEqualEqual '=='
// CHECK:STDOUT: │ │ │ │ ├─RequirementAnd 'and'
// CHECK:STDOUT: │ │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'N'
// CHECK:STDOUT: │ │ │ │ │ ╭─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ │ │ ├─BoolTypeLiteral 'bool'
// CHECK:STDOUT: │ │ │ │ ├─RequirementEqual '='
// CHECK:STDOUT: │ │ │ ├─WhereExpr 'where'
// CHECK:STDOUT: │ │ ├─CompileTimeBindingPattern ':'
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_and_prefix.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'AndPrefix'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'T'},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'TypeTypeLiteral', text: 'type'},
// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
// CHECK:STDOUT: {kind: 'InvalidParse', text: 'and', has_error: yes},
// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', has_error: yes, subtree_size: 4},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPattern', text: ':', has_error: yes, subtree_size: 7},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', has_error: yes, subtree_size: 9},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 12},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'AndPrefix'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'T'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ │ ╭─TypeTypeLiteral 'type'
// CHECK:STDOUT: │ │ │ │ ╭─WhereOperand 'where'
// CHECK:STDOUT: │ │ │ │ ├─InvalidParse 'and' has_error
// CHECK:STDOUT: │ │ │ ├─WhereExpr 'where' has_error
// CHECK:STDOUT: │ │ ├─CompileTimeBindingPattern ':' has_error
// CHECK:STDOUT: │ ├─ExplicitParamList ')' has_error
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_and_suffix.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'AndSuffix'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Y'},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'I'},
// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'J'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'K'},
// CHECK:STDOUT: {kind: 'RequirementImpls', text: 'impls', subtree_size: 4},
// CHECK:STDOUT: {kind: 'RequirementAnd', text: 'and'},
// CHECK:STDOUT: {kind: 'InvalidParse', text: ')', has_error: yes},
// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', has_error: yes, subtree_size: 9},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPattern', text: ':', has_error: yes, subtree_size: 12},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', has_error: yes, subtree_size: 14},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 17},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'AndSuffix'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'Y'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameExpr 'I'
// CHECK:STDOUT: │ │ │ │ ╭─WhereOperand 'where'
// CHECK:STDOUT: │ │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'J'
// CHECK:STDOUT: │ │ │ │ │ ╭─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ │ │ ├─IdentifierNameExpr 'K'
// CHECK:STDOUT: │ │ │ │ ├─RequirementImpls 'impls'
// CHECK:STDOUT: │ │ │ │ ├─RequirementAnd 'and'
// CHECK:STDOUT: │ │ │ │ ├─InvalidParse ')' has_error
// CHECK:STDOUT: │ │ │ ├─WhereExpr 'where' has_error
// CHECK:STDOUT: │ │ ├─CompileTimeBindingPattern ':' has_error
// CHECK:STDOUT: │ ├─ExplicitParamList ')' has_error
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_and_early.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'AndEarly'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Z'},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'L'},
// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'M'},
// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', has_error: yes, subtree_size: 5},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPattern', text: ':', has_error: yes, subtree_size: 8},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', has_error: yes, subtree_size: 10},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 13},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'AndEarly'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'Z'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameExpr 'L'
// CHECK:STDOUT: │ │ │ │ ╭─WhereOperand 'where'
// CHECK:STDOUT: │ │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'M'
// CHECK:STDOUT: │ │ │ │ ├─DesignatorExpr '.'
// CHECK:STDOUT: │ │ │ ├─WhereExpr 'where' has_error
// CHECK:STDOUT: │ │ ├─CompileTimeBindingPattern ':' has_error
// CHECK:STDOUT: │ ├─ExplicitParamList ')' has_error
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)