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
+121 -124
View File
@@ -33,129 +33,126 @@ 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: '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: 'IdentifierNameExpr', text: 'a'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'b'},
// CHECK:STDOUT: {kind: 'MemberAccessExpr', text: '.', subtree_size: 3},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'f'},
// CHECK:STDOUT: {kind: 'MemberAccessExpr', text: '.', subtree_size: 5},
// CHECK:STDOUT: {kind: 'CallExprStart', text: '(', subtree_size: 6},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'c'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'd'},
// CHECK:STDOUT: {kind: 'MemberAccessExpr', text: '.', subtree_size: 3},
// CHECK:STDOUT: {kind: 'TupleLiteralComma', text: ','},
// CHECK:STDOUT: {kind: 'ParenExprStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'e'},
// CHECK:STDOUT: {kind: 'ParenExpr', text: ')', subtree_size: 3},
// CHECK:STDOUT: {kind: 'CallExpr', text: ')', subtree_size: 14},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'g'},
// CHECK:STDOUT: {kind: 'MemberAccessExpr', text: '.', subtree_size: 16},
// CHECK:STDOUT: {kind: 'CallExprStart', text: '(', subtree_size: 17},
// CHECK:STDOUT: {kind: 'CallExpr', text: ')', subtree_size: 18},
// CHECK:STDOUT: {kind: 'ExprStatement', text: ';', subtree_size: 19},
// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 25},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT: │ │ ╭─IdentifierNameExpr 'a'
// CHECK:STDOUT: │ │ ├─IdentifierNameNotBeforeSignature 'b'
// CHECK:STDOUT: │ │ ╭─MemberAccessExpr '.'
// CHECK:STDOUT: │ │ ├─IdentifierNameNotBeforeSignature 'f'
// CHECK:STDOUT: │ │ ╭─MemberAccessExpr '.'
// CHECK:STDOUT: │ │ ╭─CallExprStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameExpr 'c'
// CHECK:STDOUT: │ │ │ ├─IdentifierNameNotBeforeSignature 'd'
// CHECK:STDOUT: │ │ ├─MemberAccessExpr '.'
// CHECK:STDOUT: │ │ ├─TupleLiteralComma ','
// CHECK:STDOUT: │ │ │ ╭─ParenExprStart '('
// CHECK:STDOUT: │ │ │ ├─IdentifierNameExpr 'e'
// CHECK:STDOUT: │ │ ├─ParenExpr ')'
// CHECK:STDOUT: │ │ ╭─CallExpr ')'
// CHECK:STDOUT: │ │ ├─IdentifierNameNotBeforeSignature 'g'
// CHECK:STDOUT: │ │ ╭─MemberAccessExpr '.'
// CHECK:STDOUT: │ │ ╭─CallExprStart '('
// CHECK:STDOUT: │ │ ╭─CallExpr ')'
// CHECK:STDOUT: │ ├─ExprStatement ';'
// CHECK:STDOUT: ├─FunctionDefinition '}'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: ref_args.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// 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: 'IdentifierNameExpr', text: 'G'},
// CHECK:STDOUT: {kind: 'CallExprStart', text: '(', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'x'},
// CHECK:STDOUT: {kind: 'PrefixOperatorRef', text: 'ref', subtree_size: 2},
// CHECK:STDOUT: {kind: 'CallExpr', text: ')', subtree_size: 5},
// CHECK:STDOUT: {kind: 'ExprStatement', text: ';', subtree_size: 6},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'G'},
// CHECK:STDOUT: {kind: 'CallExprStart', text: '(', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'x'},
// CHECK:STDOUT: {kind: 'PrefixOperatorRef', text: 'ref', subtree_size: 2},
// CHECK:STDOUT: {kind: 'TupleLiteralComma', text: ','},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'y'},
// CHECK:STDOUT: {kind: 'CallExpr', text: ')', subtree_size: 7},
// CHECK:STDOUT: {kind: 'ExprStatement', text: ';', subtree_size: 8},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'G'},
// CHECK:STDOUT: {kind: 'CallExprStart', text: '(', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'x'},
// CHECK:STDOUT: {kind: 'TupleLiteralComma', text: ','},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'y'},
// CHECK:STDOUT: {kind: 'PrefixOperatorRef', text: 'ref', subtree_size: 2},
// CHECK:STDOUT: {kind: 'CallExpr', text: ')', subtree_size: 7},
// CHECK:STDOUT: {kind: 'ExprStatement', text: ';', subtree_size: 8},
// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 28},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT: │ │ ╭─IdentifierNameExpr 'G'
// CHECK:STDOUT: │ │ ╭─CallExprStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameExpr 'x'
// CHECK:STDOUT: │ │ ├─PrefixOperatorRef 'ref'
// CHECK:STDOUT: │ │ ╭─CallExpr ')'
// CHECK:STDOUT: │ ├─ExprStatement ';'
// CHECK:STDOUT: │ │ ╭─IdentifierNameExpr 'G'
// CHECK:STDOUT: │ │ ╭─CallExprStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameExpr 'x'
// CHECK:STDOUT: │ │ ├─PrefixOperatorRef 'ref'
// CHECK:STDOUT: │ │ ├─TupleLiteralComma ','
// CHECK:STDOUT: │ │ ├─IdentifierNameExpr 'y'
// CHECK:STDOUT: │ │ ╭─CallExpr ')'
// CHECK:STDOUT: │ ├─ExprStatement ';'
// CHECK:STDOUT: │ │ ╭─IdentifierNameExpr 'G'
// CHECK:STDOUT: │ │ ╭─CallExprStart '('
// CHECK:STDOUT: │ │ ├─IdentifierNameExpr 'x'
// CHECK:STDOUT: │ │ ├─TupleLiteralComma ','
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameExpr 'y'
// CHECK:STDOUT: │ │ ├─PrefixOperatorRef 'ref'
// CHECK:STDOUT: │ │ ╭─CallExpr ')'
// CHECK:STDOUT: │ ├─ExprStatement ';'
// CHECK:STDOUT: ├─FunctionDefinition '}'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: nested_ref.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// 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: 'IdentifierNameExpr', text: 'G'},
// CHECK:STDOUT: {kind: 'CallExprStart', text: '(', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'x'},
// CHECK:STDOUT: {kind: 'TupleLiteralComma', text: ','},
// CHECK:STDOUT: {kind: 'TupleLiteralStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'x'},
// CHECK:STDOUT: {kind: 'PrefixOperatorRef', text: 'ref', subtree_size: 2},
// CHECK:STDOUT: {kind: 'TupleLiteralComma', text: ','},
// CHECK:STDOUT: {kind: 'TupleLiteral', text: ')', subtree_size: 5},
// CHECK:STDOUT: {kind: 'CallExpr', text: ')', subtree_size: 10},
// CHECK:STDOUT: {kind: 'ExprStatement', text: ';', subtree_size: 11},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'G'},
// CHECK:STDOUT: {kind: 'CallExprStart', text: '(', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'x'},
// CHECK:STDOUT: {kind: 'TupleLiteralComma', text: ','},
// CHECK:STDOUT: {kind: 'TupleLiteralStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'y'},
// CHECK:STDOUT: {kind: 'PrefixOperatorRef', text: 'ref', subtree_size: 2},
// CHECK:STDOUT: {kind: 'TupleLiteralComma', text: ','},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'z'},
// CHECK:STDOUT: {kind: 'TupleLiteral', text: ')', subtree_size: 6},
// CHECK:STDOUT: {kind: 'CallExpr', text: ')', subtree_size: 11},
// CHECK:STDOUT: {kind: 'ExprStatement', text: ';', subtree_size: 12},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'G'},
// CHECK:STDOUT: {kind: 'CallExprStart', text: '(', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'x'},
// CHECK:STDOUT: {kind: 'TupleLiteralComma', text: ','},
// CHECK:STDOUT: {kind: 'TupleLiteralStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'y'},
// CHECK:STDOUT: {kind: 'TupleLiteralComma', text: ','},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'z'},
// CHECK:STDOUT: {kind: 'PrefixOperatorRef', text: 'ref', subtree_size: 2},
// CHECK:STDOUT: {kind: 'TupleLiteral', text: ')', subtree_size: 6},
// CHECK:STDOUT: {kind: 'CallExpr', text: ')', subtree_size: 11},
// CHECK:STDOUT: {kind: 'ExprStatement', text: ';', subtree_size: 12},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'G'},
// CHECK:STDOUT: {kind: 'CallExprStart', text: '(', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'x'},
// CHECK:STDOUT: {kind: 'TupleLiteralComma', text: ','},
// CHECK:STDOUT: {kind: 'StructLiteralStart', text: '{'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'y'},
// CHECK:STDOUT: {kind: 'StructFieldDesignator', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'y'},
// CHECK:STDOUT: {kind: 'PrefixOperatorRef', text: 'ref', subtree_size: 2},
// CHECK:STDOUT: {kind: 'StructLiteralField', text: '=', subtree_size: 5},
// CHECK:STDOUT: {kind: 'StructLiteralComma', text: ','},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'z'},
// CHECK:STDOUT: {kind: 'StructFieldDesignator', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'z'},
// CHECK:STDOUT: {kind: 'StructLiteralField', text: '=', subtree_size: 4},
// CHECK:STDOUT: {kind: 'StructLiteral', text: '}', subtree_size: 12},
// CHECK:STDOUT: {kind: 'CallExpr', text: ')', subtree_size: 17},
// CHECK:STDOUT: {kind: 'ExprStatement', text: ';', subtree_size: 18},
// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 59},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT: │ │ ╭─IdentifierNameExpr 'G'
// CHECK:STDOUT: │ │ ╭─CallExprStart '('
// CHECK:STDOUT: │ │ ├─IdentifierNameExpr 'x'
// CHECK:STDOUT: │ │ ├─TupleLiteralComma ','
// CHECK:STDOUT: │ │ │ ╭─TupleLiteralStart '('
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameExpr 'x'
// CHECK:STDOUT: │ │ │ ├─PrefixOperatorRef 'ref'
// CHECK:STDOUT: │ │ │ ├─TupleLiteralComma ','
// CHECK:STDOUT: │ │ ├─TupleLiteral ')'
// CHECK:STDOUT: │ │ ╭─CallExpr ')'
// CHECK:STDOUT: │ ├─ExprStatement ';'
// CHECK:STDOUT: │ │ ╭─IdentifierNameExpr 'G'
// CHECK:STDOUT: │ │ ╭─CallExprStart '('
// CHECK:STDOUT: │ │ ├─IdentifierNameExpr 'x'
// CHECK:STDOUT: │ │ ├─TupleLiteralComma ','
// CHECK:STDOUT: │ │ │ ╭─TupleLiteralStart '('
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameExpr 'y'
// CHECK:STDOUT: │ │ │ ├─PrefixOperatorRef 'ref'
// CHECK:STDOUT: │ │ │ ├─TupleLiteralComma ','
// CHECK:STDOUT: │ │ │ ├─IdentifierNameExpr 'z'
// CHECK:STDOUT: │ │ ├─TupleLiteral ')'
// CHECK:STDOUT: │ │ ╭─CallExpr ')'
// CHECK:STDOUT: │ ├─ExprStatement ';'
// CHECK:STDOUT: │ │ ╭─IdentifierNameExpr 'G'
// CHECK:STDOUT: │ │ ╭─CallExprStart '('
// CHECK:STDOUT: │ │ ├─IdentifierNameExpr 'x'
// CHECK:STDOUT: │ │ ├─TupleLiteralComma ','
// CHECK:STDOUT: │ │ │ ╭─TupleLiteralStart '('
// CHECK:STDOUT: │ │ │ ├─IdentifierNameExpr 'y'
// CHECK:STDOUT: │ │ │ ├─TupleLiteralComma ','
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameExpr 'z'
// CHECK:STDOUT: │ │ │ ├─PrefixOperatorRef 'ref'
// CHECK:STDOUT: │ │ ├─TupleLiteral ')'
// CHECK:STDOUT: │ │ ╭─CallExpr ')'
// CHECK:STDOUT: │ ├─ExprStatement ';'
// CHECK:STDOUT: │ │ ╭─IdentifierNameExpr 'G'
// CHECK:STDOUT: │ │ ╭─CallExprStart '('
// CHECK:STDOUT: │ │ ├─IdentifierNameExpr 'x'
// CHECK:STDOUT: │ │ ├─TupleLiteralComma ','
// CHECK:STDOUT: │ │ │ ╭─StructLiteralStart '{'
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'y'
// CHECK:STDOUT: │ │ │ │ ╭─StructFieldDesignator '.'
// CHECK:STDOUT: │ │ │ │ │ ╭─IdentifierNameExpr 'y'
// CHECK:STDOUT: │ │ │ │ ├─PrefixOperatorRef 'ref'
// CHECK:STDOUT: │ │ │ ├─StructLiteralField '='
// CHECK:STDOUT: │ │ │ ├─StructLiteralComma ','
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'z'
// CHECK:STDOUT: │ │ │ │ ╭─StructFieldDesignator '.'
// CHECK:STDOUT: │ │ │ │ ├─IdentifierNameExpr 'z'
// CHECK:STDOUT: │ │ │ ├─StructLiteralField '='
// CHECK:STDOUT: │ │ ├─StructLiteral '}'
// CHECK:STDOUT: │ │ ╭─CallExpr ')'
// CHECK:STDOUT: │ ├─ExprStatement ';'
// CHECK:STDOUT: ├─FunctionDefinition '}'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
+143 -145
View File
@@ -44,149 +44,147 @@ fn F() {
}
// CHECK:STDOUT: - filename: valid.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// 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: 'AliasIntroducer', text: 'alias'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'A'},
// CHECK:STDOUT: {kind: 'AliasInitializer', text: '='},
// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
// CHECK:STDOUT: {kind: 'Alias', text: ';', subtree_size: 5},
// CHECK:STDOUT: {kind: 'ClassIntroducer', text: 'class'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'A'},
// CHECK:STDOUT: {kind: 'ClassDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'ClassDefinition', text: '}', subtree_size: 4},
// CHECK:STDOUT: {kind: 'ClassIntroducer', text: 'class'},
// CHECK:STDOUT: {kind: 'BaseModifier', text: 'base'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'B'},
// CHECK:STDOUT: {kind: 'ClassDefinitionStart', text: '{', subtree_size: 4},
// CHECK:STDOUT: {kind: 'ClassDefinition', text: '}', subtree_size: 5},
// CHECK:STDOUT: {kind: 'ClassIntroducer', text: 'class'},
// CHECK:STDOUT: {kind: 'AbstractModifier', text: 'abstract'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Abstract'},
// CHECK:STDOUT: {kind: 'ClassDefinitionStart', text: '{', subtree_size: 4},
// CHECK:STDOUT: {kind: 'ClassDefinition', text: '}', subtree_size: 5},
// 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: 'FunctionDefinition', text: '}', subtree_size: 6},
// CHECK:STDOUT: {kind: 'NamedConstraintIntroducer', text: 'constraint'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'C'},
// CHECK:STDOUT: {kind: 'NamedConstraintDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'NamedConstraintDefinition', text: '}', subtree_size: 4},
// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'I'},
// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'InterfaceDefinition', text: '}', subtree_size: 4},
// CHECK:STDOUT: {kind: 'ImplIntroducer', text: 'impl'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'A'},
// CHECK:STDOUT: {kind: 'ImplTypeAs', text: 'as', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'I'},
// CHECK:STDOUT: {kind: 'ImplDefinitionStart', text: '{', subtree_size: 5},
// CHECK:STDOUT: {kind: 'ImplDefinition', text: '}', subtree_size: 6},
// CHECK:STDOUT: {kind: 'ImplIntroducer', text: 'impl'},
// CHECK:STDOUT: {kind: 'FinalModifier', text: 'final'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'A'},
// CHECK:STDOUT: {kind: 'ImplTypeAs', text: 'as', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'I'},
// CHECK:STDOUT: {kind: 'ImplDefinitionStart', text: '{', subtree_size: 6},
// CHECK:STDOUT: {kind: 'ImplDefinition', text: '}', subtree_size: 7},
// CHECK:STDOUT: {kind: 'ChoiceIntroducer', text: 'choice'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'C'},
// CHECK:STDOUT: {kind: 'ChoiceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'ChoiceDefinition', text: '}', subtree_size: 4},
// CHECK:STDOUT: {kind: 'LetIntroducer', text: 'let'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'n'},
// CHECK:STDOUT: {kind: 'BindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 4},
// CHECK:STDOUT: {kind: 'LetInitializer', text: '='},
// CHECK:STDOUT: {kind: 'IntLiteral', text: '0'},
// CHECK:STDOUT: {kind: 'LetDecl', text: ';', subtree_size: 8},
// CHECK:STDOUT: {kind: 'VariableIntroducer', text: 'var'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'v'},
// 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: 'VariableDecl', text: ';', subtree_size: 7},
// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 71},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT: │ │ ╭─AliasIntroducer 'alias'
// CHECK:STDOUT: │ │ ├─IdentifierNameNotBeforeSignature 'A'
// CHECK:STDOUT: │ │ ├─AliasInitializer '='
// CHECK:STDOUT: │ │ ├─IntTypeLiteral 'i32'
// CHECK:STDOUT: │ ├─Alias ';'
// CHECK:STDOUT: │ │ ╭─ClassIntroducer 'class'
// CHECK:STDOUT: │ │ ├─IdentifierNameNotBeforeSignature 'A'
// CHECK:STDOUT: │ │ ╭─ClassDefinitionStart '{'
// CHECK:STDOUT: │ ├─ClassDefinition '}'
// CHECK:STDOUT: │ │ ╭─ClassIntroducer 'class'
// CHECK:STDOUT: │ │ ├─BaseModifier 'base'
// CHECK:STDOUT: │ │ ├─IdentifierNameNotBeforeSignature 'B'
// CHECK:STDOUT: │ │ ╭─ClassDefinitionStart '{'
// CHECK:STDOUT: │ ├─ClassDefinition '}'
// CHECK:STDOUT: │ │ ╭─ClassIntroducer 'class'
// CHECK:STDOUT: │ │ ├─AbstractModifier 'abstract'
// CHECK:STDOUT: │ │ ├─IdentifierNameNotBeforeSignature 'Abstract'
// CHECK:STDOUT: │ │ ╭─ClassDefinitionStart '{'
// CHECK:STDOUT: │ ├─ClassDefinition '}'
// CHECK:STDOUT: │ │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT: │ ├─FunctionDefinition '}'
// CHECK:STDOUT: │ │ ╭─NamedConstraintIntroducer 'constraint'
// CHECK:STDOUT: │ │ ├─IdentifierNameNotBeforeSignature 'C'
// CHECK:STDOUT: │ │ ╭─NamedConstraintDefinitionStart '{'
// CHECK:STDOUT: │ ├─NamedConstraintDefinition '}'
// CHECK:STDOUT: │ │ ╭─InterfaceIntroducer 'interface'
// CHECK:STDOUT: │ │ ├─IdentifierNameNotBeforeSignature 'I'
// CHECK:STDOUT: │ │ ╭─InterfaceDefinitionStart '{'
// CHECK:STDOUT: │ ├─InterfaceDefinition '}'
// CHECK:STDOUT: │ │ ╭─ImplIntroducer 'impl'
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameExpr 'A'
// CHECK:STDOUT: │ │ ├─ImplTypeAs 'as'
// CHECK:STDOUT: │ │ ├─IdentifierNameExpr 'I'
// CHECK:STDOUT: │ │ ╭─ImplDefinitionStart '{'
// CHECK:STDOUT: │ ├─ImplDefinition '}'
// CHECK:STDOUT: │ │ ╭─ImplIntroducer 'impl'
// CHECK:STDOUT: │ │ ├─FinalModifier 'final'
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameExpr 'A'
// CHECK:STDOUT: │ │ ├─ImplTypeAs 'as'
// CHECK:STDOUT: │ │ ├─IdentifierNameExpr 'I'
// CHECK:STDOUT: │ │ ╭─ImplDefinitionStart '{'
// CHECK:STDOUT: │ ├─ImplDefinition '}'
// CHECK:STDOUT: │ │ ╭─ChoiceIntroducer 'choice'
// CHECK:STDOUT: │ │ ├─IdentifierNameNotBeforeSignature 'C'
// CHECK:STDOUT: │ │ ╭─ChoiceDefinitionStart '{'
// CHECK:STDOUT: │ ├─ChoiceDefinition '}'
// CHECK:STDOUT: │ │ ╭─LetIntroducer 'let'
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'n'
// CHECK:STDOUT: │ │ │ ├─BindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ ├─IntTypeLiteral 'i32'
// CHECK:STDOUT: │ │ ├─LetBindingPattern ':'
// CHECK:STDOUT: │ │ ├─LetInitializer '='
// CHECK:STDOUT: │ │ ├─IntLiteral '0'
// CHECK:STDOUT: │ ├─LetDecl ';'
// CHECK:STDOUT: │ │ ╭─VariableIntroducer 'var'
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'v'
// CHECK:STDOUT: │ │ │ ├─BindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ ├─IntTypeLiteral 'i32'
// CHECK:STDOUT: │ │ │ ╭─VarBindingPattern ':'
// CHECK:STDOUT: │ │ ├─VariablePattern 'var'
// CHECK:STDOUT: │ ├─VariableDecl ';'
// CHECK:STDOUT: ├─FunctionDefinition '}'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: syntactically_valid.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// 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: 'AdaptIntroducer', text: 'adapt'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'A'},
// CHECK:STDOUT: {kind: 'AdaptDecl', text: ';', subtree_size: 3},
// CHECK:STDOUT: {kind: 'AdaptIntroducer', text: 'adapt'},
// CHECK:STDOUT: {kind: 'ExtendModifier', text: 'extend'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'A'},
// CHECK:STDOUT: {kind: 'AdaptDecl', text: ';', subtree_size: 4},
// CHECK:STDOUT: {kind: 'BaseIntroducer', text: 'base'},
// CHECK:STDOUT: {kind: 'ExtendModifier', text: 'extend'},
// CHECK:STDOUT: {kind: 'BaseColon', text: ':'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'B'},
// CHECK:STDOUT: {kind: 'BaseDecl', text: ';', subtree_size: 5},
// CHECK:STDOUT: {kind: 'ImplIntroducer', text: 'impl'},
// CHECK:STDOUT: {kind: 'ExtendModifier', text: 'extend'},
// CHECK:STDOUT: {kind: 'ImplDefaultSelfAs', text: 'as'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'I'},
// CHECK:STDOUT: {kind: 'ImplDecl', text: ';', subtree_size: 5},
// CHECK:STDOUT: {kind: 'NamespaceStart', text: 'namespace'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'N'},
// CHECK:STDOUT: {kind: 'Namespace', text: ';', subtree_size: 3},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'DefaultModifier', text: 'default'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'F'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 6},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'ImplModifier', text: 'impl'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'G'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 6},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'OverrideModifier', text: 'override'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'H'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 6},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'VirtualModifier', text: 'virtual'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'H'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 6},
// CHECK:STDOUT: {kind: 'VariableIntroducer', text: 'var'},
// CHECK:STDOUT: {kind: 'PrivateModifier', text: 'private'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'v'},
// 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: 'VariableDecl', text: ';', subtree_size: 8},
// CHECK:STDOUT: {kind: 'VariableIntroducer', text: 'var'},
// CHECK:STDOUT: {kind: 'ProtectedModifier', text: 'protected'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'v'},
// 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: 'VariableDecl', text: ';', subtree_size: 8},
// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 66},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT: │ │ ╭─AdaptIntroducer 'adapt'
// CHECK:STDOUT: │ │ ├─IdentifierNameExpr 'A'
// CHECK:STDOUT: │ ├─AdaptDecl ';'
// CHECK:STDOUT: │ │ ╭─AdaptIntroducer 'adapt'
// CHECK:STDOUT: │ │ ├─ExtendModifier 'extend'
// CHECK:STDOUT: │ │ ├─IdentifierNameExpr 'A'
// CHECK:STDOUT: │ ├─AdaptDecl ';'
// CHECK:STDOUT: │ │ ╭─BaseIntroducer 'base'
// CHECK:STDOUT: │ │ ├─ExtendModifier 'extend'
// CHECK:STDOUT: │ │ ├─BaseColon ':'
// CHECK:STDOUT: │ │ ├─IdentifierNameExpr 'B'
// CHECK:STDOUT: │ ├─BaseDecl ';'
// CHECK:STDOUT: │ │ ╭─ImplIntroducer 'impl'
// CHECK:STDOUT: │ │ ├─ExtendModifier 'extend'
// CHECK:STDOUT: │ │ ├─ImplDefaultSelfAs 'as'
// CHECK:STDOUT: │ │ ├─IdentifierNameExpr 'I'
// CHECK:STDOUT: │ ├─ImplDecl ';'
// CHECK:STDOUT: │ │ ╭─NamespaceStart 'namespace'
// CHECK:STDOUT: │ │ ├─IdentifierNameNotBeforeSignature 'N'
// CHECK:STDOUT: │ ├─Namespace ';'
// CHECK:STDOUT: │ │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ │ ├─DefaultModifier 'default'
// CHECK:STDOUT: │ │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ├─FunctionDecl ';'
// CHECK:STDOUT: │ │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ │ ├─ImplModifier 'impl'
// CHECK:STDOUT: │ │ ├─IdentifierNameMaybeBeforeSignature 'G'
// CHECK:STDOUT: │ │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ├─FunctionDecl ';'
// CHECK:STDOUT: │ │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ │ ├─OverrideModifier 'override'
// CHECK:STDOUT: │ │ ├─IdentifierNameMaybeBeforeSignature 'H'
// CHECK:STDOUT: │ │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ├─FunctionDecl ';'
// CHECK:STDOUT: │ │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ │ ├─VirtualModifier 'virtual'
// CHECK:STDOUT: │ │ ├─IdentifierNameMaybeBeforeSignature 'H'
// CHECK:STDOUT: │ │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ├─FunctionDecl ';'
// CHECK:STDOUT: │ │ ╭─VariableIntroducer 'var'
// CHECK:STDOUT: │ │ ├─PrivateModifier 'private'
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'v'
// CHECK:STDOUT: │ │ │ ├─BindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ ├─IntTypeLiteral 'i32'
// CHECK:STDOUT: │ │ │ ╭─VarBindingPattern ':'
// CHECK:STDOUT: │ │ ├─VariablePattern 'var'
// CHECK:STDOUT: │ ├─VariableDecl ';'
// CHECK:STDOUT: │ │ ╭─VariableIntroducer 'var'
// CHECK:STDOUT: │ │ ├─ProtectedModifier 'protected'
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'v'
// CHECK:STDOUT: │ │ │ ├─BindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ ├─IntTypeLiteral 'i32'
// CHECK:STDOUT: │ │ │ ╭─VarBindingPattern ':'
// CHECK:STDOUT: │ │ ├─VariablePattern 'var'
// CHECK:STDOUT: │ ├─VariableDecl ';'
// CHECK:STDOUT: ├─FunctionDefinition '}'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
+293 -318
View File
@@ -185,345 +185,320 @@ fn SimpleReturnForm() ->? Form;
fn ComplexReturnForm() ->? X.Y(Z);
// 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: 'F'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 5},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: ref.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: 'a'},
// CHECK:STDOUT: {kind: 'RefBindingName', text: 'ref', subtree_size: 2},
// CHECK:STDOUT: {kind: 'BindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 5},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 7},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 10},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'foo'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'a'
// CHECK:STDOUT: │ │ │ ╭─RefBindingName 'ref'
// CHECK:STDOUT: │ │ │ ├─BindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ ├─IntTypeLiteral 'i32'
// CHECK:STDOUT: │ │ ├─LetBindingPattern ':'
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: implicit_empty.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: 'ImplicitParamListStart', text: '['},
// CHECK:STDOUT: {kind: 'ImplicitParamList', text: ']', subtree_size: 2},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 7},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'foo'
// CHECK:STDOUT: │ │ ╭─ImplicitParamListStart '['
// CHECK:STDOUT: │ ├─ImplicitParamList ']'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: implicit_params.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: 'ImplicitParamListStart', text: '['},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'a'},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPattern', text: ':', subtree_size: 4},
// CHECK:STDOUT: {kind: 'PatternListComma', text: ','},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'b'},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
// CHECK:STDOUT: {kind: 'CompileTimeBindingPattern', text: ':', subtree_size: 4},
// CHECK:STDOUT: {kind: 'ImplicitParamList', text: ']', subtree_size: 11},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// 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 'foo'
// CHECK:STDOUT: │ │ ╭─ImplicitParamListStart '['
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'a'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ ├─IntTypeLiteral 'i32'
// CHECK:STDOUT: │ │ ├─CompileTimeBindingPattern ':'
// CHECK:STDOUT: │ │ ├─PatternListComma ','
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'b'
// CHECK:STDOUT: │ │ │ ├─CompileTimeBindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ ├─IntTypeLiteral 'i32'
// CHECK:STDOUT: │ │ ├─CompileTimeBindingPattern ':'
// CHECK:STDOUT: │ ├─ImplicitParamList ']'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: no_params.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'foo'},
// CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 4},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameNotBeforeSignature 'foo'
// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT: ├─FunctionDefinition '}'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: params.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: 'a'},
// CHECK:STDOUT: {kind: 'BindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 4},
// CHECK:STDOUT: {kind: 'PatternListComma', text: ','},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'b'},
// CHECK:STDOUT: {kind: 'BindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 4},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', 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 'foo'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'a'
// CHECK:STDOUT: │ │ │ ├─BindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ ├─IntTypeLiteral 'i32'
// CHECK:STDOUT: │ │ ├─LetBindingPattern ':'
// CHECK:STDOUT: │ │ ├─PatternListComma ','
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'b'
// CHECK:STDOUT: │ │ │ ├─BindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ ├─IntTypeLiteral 'i32'
// CHECK:STDOUT: │ │ ├─LetBindingPattern ':'
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: with_return_type.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: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'UnsignedIntTypeLiteral', text: 'u32'},
// CHECK:STDOUT: {kind: 'ReturnType', text: '->', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 7},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'foo'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ │ ╭─UnsignedIntTypeLiteral 'u32'
// CHECK:STDOUT: │ ├─ReturnType '->'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: impl_fn.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'OverrideModifier', text: 'override'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'F'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 6},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'AbstractModifier', text: 'abstract'},
// CHECK:STDOUT: {kind: 'OverrideModifier', text: 'override'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'G'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 7},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'OverrideModifier', text: 'override'},
// CHECK:STDOUT: {kind: 'AbstractModifier', text: 'abstract'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'H'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 7},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'PrivateModifier', text: 'private'},
// CHECK:STDOUT: {kind: 'OverrideModifier', text: 'override'},
// CHECK:STDOUT: {kind: 'DefaultModifier', text: 'default'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'I'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 8},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─OverrideModifier 'override'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─AbstractModifier 'abstract'
// CHECK:STDOUT: │ ├─OverrideModifier 'override'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'G'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─OverrideModifier 'override'
// CHECK:STDOUT: │ ├─AbstractModifier 'abstract'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'H'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─PrivateModifier 'private'
// CHECK:STDOUT: │ ├─OverrideModifier 'override'
// CHECK:STDOUT: │ ├─DefaultModifier 'default'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'I'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_identifier_instead_of_sig.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'foo'},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', has_error: yes, subtree_size: 3},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameNotBeforeSignature 'foo'
// CHECK:STDOUT: ├─FunctionDecl ';' has_error
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_missing_implicit_close.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Div'},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', has_error: yes, subtree_size: 3},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameNotBeforeSignature 'Div'
// CHECK:STDOUT: ├─FunctionDecl ';' has_error
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_missing_name.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'InvalidParse', text: '(', has_error: yes},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', has_error: yes, subtree_size: 3},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─InvalidParse '(' has_error
// CHECK:STDOUT: ├─FunctionDecl ';' has_error
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_no_sig_or_semi.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'foo'},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: 'fn', has_error: yes, subtree_size: 3},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameNotBeforeSignature 'foo'
// CHECK:STDOUT: ├─FunctionDecl 'fn' has_error
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_only_fn_and_semi.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'InvalidParse', text: ';', has_error: yes},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', has_error: yes, subtree_size: 3},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─InvalidParse ';' has_error
// CHECK:STDOUT: ├─FunctionDecl ';' has_error
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_repeated_fn_and_semi.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'InvalidParse', text: 'fn', has_error: yes},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', has_error: yes, subtree_size: 3},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─InvalidParse 'fn' has_error
// CHECK:STDOUT: ├─FunctionDecl ';' has_error
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_skip_indented_newline_until_outdent.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'InvalidParse', text: '(', has_error: yes},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ')', has_error: yes, subtree_size: 3},
// 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: 'FunctionDecl', text: ';', subtree_size: 5},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─InvalidParse '(' has_error
// CHECK:STDOUT: ├─FunctionDecl ')' has_error
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_skip_indented_newline_with_semi.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'InvalidParse', text: '(', has_error: yes},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', has_error: yes, subtree_size: 3},
// 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: 'FunctionDecl', text: ';', subtree_size: 5},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─InvalidParse '(' has_error
// CHECK:STDOUT: ├─FunctionDecl ';' has_error
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_skip_indented_newline_without_semi.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'InvalidParse', text: '(', has_error: yes},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ')', has_error: yes, subtree_size: 3},
// 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: 'FunctionDecl', text: ';', subtree_size: 5},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─InvalidParse '(' has_error
// CHECK:STDOUT: ├─FunctionDecl ')' has_error
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_skip_to_newline_without_semi.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'InvalidParse', text: '(', has_error: yes},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ')', has_error: yes, subtree_size: 3},
// 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: 'FunctionDecl', text: ';', subtree_size: 5},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─InvalidParse '(' has_error
// CHECK:STDOUT: ├─FunctionDecl ')' has_error
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_skip_without_semi_to_curly.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'InvalidParseStart', text: 'struct', has_error: yes},
// CHECK:STDOUT: {kind: 'InvalidParseSubtree', text: '}', has_error: yes, subtree_size: 2},
// 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: 'FunctionDecl', text: ';', subtree_size: 5},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─InvalidParseStart 'struct' has_error
// CHECK:STDOUT: ├─InvalidParseSubtree '}' has_error
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: with_identifier_as_param.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: 'IdentifierNameExpr', text: 'bar'},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 3},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 6},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'foo'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ ├─IdentifierNameExpr 'bar'
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_without_name_and_many_tokens_in_params.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'InvalidParse', text: '(', has_error: yes},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', has_error: yes, subtree_size: 3},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─InvalidParse '(' has_error
// CHECK:STDOUT: ├─FunctionDecl ';' has_error
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: form_parameter.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'FormParam'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'x'},
// CHECK:STDOUT: {kind: 'BindingPatternTypeStart', text: ':?'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'Form'},
// CHECK:STDOUT: {kind: 'FormBindingPattern', text: ':?', subtree_size: 4},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 6},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 9},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'ComplexFormParam'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'x'},
// CHECK:STDOUT: {kind: 'BindingPatternTypeStart', text: ':?'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'X'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Y'},
// CHECK:STDOUT: {kind: 'MemberAccessExpr', text: '.', subtree_size: 3},
// CHECK:STDOUT: {kind: 'CallExprStart', text: '(', subtree_size: 4},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'Z'},
// CHECK:STDOUT: {kind: 'CallExpr', text: ')', subtree_size: 6},
// CHECK:STDOUT: {kind: 'FormBindingPattern', text: ':?', subtree_size: 9},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', 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 'FormParam'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'x'
// CHECK:STDOUT: │ │ │ ├─BindingPatternTypeStart ':?'
// CHECK:STDOUT: │ │ │ ├─IdentifierNameExpr 'Form'
// CHECK:STDOUT: │ │ ├─FormBindingPattern ':?'
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'ComplexFormParam'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'x'
// CHECK:STDOUT: │ │ │ ├─BindingPatternTypeStart ':?'
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameExpr 'X'
// CHECK:STDOUT: │ │ │ │ ├─IdentifierNameNotBeforeSignature 'Y'
// CHECK:STDOUT: │ │ │ │ ╭─MemberAccessExpr '.'
// CHECK:STDOUT: │ │ │ │ ╭─CallExprStart '('
// CHECK:STDOUT: │ │ │ │ ├─IdentifierNameExpr 'Z'
// CHECK:STDOUT: │ │ │ ├─CallExpr ')'
// CHECK:STDOUT: │ │ ├─FormBindingPattern ':?'
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_ref_on_form_parameter.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'F'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'x'},
// CHECK:STDOUT: {kind: 'BindingPatternTypeStart', text: ':?', has_error: yes},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'Form'},
// CHECK:STDOUT: {kind: 'FormBindingPattern', text: ':?', has_error: yes, subtree_size: 4},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', has_error: yes, subtree_size: 6},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 9},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'x'
// CHECK:STDOUT: │ │ │ ├─BindingPatternTypeStart ':?' has_error
// CHECK:STDOUT: │ │ │ ├─IdentifierNameExpr 'Form'
// CHECK:STDOUT: │ │ ├─FormBindingPattern ':?' has_error
// CHECK:STDOUT: │ ├─ExplicitParamList ')' has_error
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_form_within_var.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'FormInVar'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'x'},
// CHECK:STDOUT: {kind: 'BindingPatternTypeStart', text: ':?'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'Form'},
// CHECK:STDOUT: {kind: 'VarBindingPattern', text: ':?', has_error: yes, subtree_size: 4},
// CHECK:STDOUT: {kind: 'VariablePattern', text: 'var', has_error: yes, subtree_size: 5},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', has_error: yes, subtree_size: 7},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 10},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'FormInVar'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'x'
// CHECK:STDOUT: │ │ │ ├─BindingPatternTypeStart ':?'
// CHECK:STDOUT: │ │ │ ├─IdentifierNameExpr 'Form'
// CHECK:STDOUT: │ │ │ ╭─VarBindingPattern ':?' has_error
// CHECK:STDOUT: │ │ ├─VariablePattern 'var' has_error
// CHECK:STDOUT: │ ├─ExplicitParamList ')' has_error
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: return_form.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'SimpleReturnForm'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'Form'},
// CHECK:STDOUT: {kind: 'ReturnForm', text: '->?', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 7},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'ComplexReturnForm'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'X'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'Y'},
// CHECK:STDOUT: {kind: 'MemberAccessExpr', text: '.', subtree_size: 3},
// CHECK:STDOUT: {kind: 'CallExprStart', text: '(', subtree_size: 4},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'Z'},
// CHECK:STDOUT: {kind: 'CallExpr', text: ')', subtree_size: 6},
// CHECK:STDOUT: {kind: 'ReturnForm', text: '->?', subtree_size: 7},
// 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 'SimpleReturnForm'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ │ ╭─IdentifierNameExpr 'Form'
// CHECK:STDOUT: │ ├─ReturnForm '->?'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'ComplexReturnForm'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ │ ╭─IdentifierNameExpr 'X'
// CHECK:STDOUT: │ │ ├─IdentifierNameNotBeforeSignature 'Y'
// CHECK:STDOUT: │ │ ╭─MemberAccessExpr '.'
// CHECK:STDOUT: │ │ ╭─CallExprStart '('
// CHECK:STDOUT: │ │ ├─IdentifierNameExpr 'Z'
// CHECK:STDOUT: │ │ ╭─CallExpr ')'
// CHECK:STDOUT: │ ├─ReturnForm '->?'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
+143 -153
View File
@@ -79,165 +79,155 @@ fn SpuriousEquals() = { }
fn TestRecoveryFromSpuriousEquals();
// 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: '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: 'FunctionDefinition', text: '}', subtree_size: 6},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT: ├─FunctionDefinition '}'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: with_params.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: 'bar'},
// CHECK:STDOUT: {kind: 'BindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i64'},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 4},
// CHECK:STDOUT: {kind: 'PatternListComma', text: ','},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'baz'},
// CHECK:STDOUT: {kind: 'BindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i64'},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 4},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 11},
// CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '{', subtree_size: 14},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'foo'},
// CHECK:STDOUT: {kind: 'CallExprStart', text: '(', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'baz'},
// CHECK:STDOUT: {kind: 'TupleLiteralComma', text: ','},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'bar'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'baz'},
// CHECK:STDOUT: {kind: 'InfixOperatorPlus', text: '+', subtree_size: 3},
// CHECK:STDOUT: {kind: 'CallExpr', text: ')', subtree_size: 8},
// CHECK:STDOUT: {kind: 'ExprStatement', text: ';', subtree_size: 9},
// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 24},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'foo'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'bar'
// CHECK:STDOUT: │ │ │ ├─BindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ ├─IntTypeLiteral 'i64'
// CHECK:STDOUT: │ │ ├─LetBindingPattern ':'
// CHECK:STDOUT: │ │ ├─PatternListComma ','
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'baz'
// CHECK:STDOUT: │ │ │ ├─BindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ ├─IntTypeLiteral 'i64'
// CHECK:STDOUT: │ │ ├─LetBindingPattern ':'
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT: │ │ ╭─IdentifierNameExpr 'foo'
// CHECK:STDOUT: │ │ ╭─CallExprStart '('
// CHECK:STDOUT: │ │ ├─IdentifierNameExpr 'baz'
// CHECK:STDOUT: │ │ ├─TupleLiteralComma ','
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameExpr 'bar'
// CHECK:STDOUT: │ │ │ ├─IdentifierNameExpr 'baz'
// CHECK:STDOUT: │ │ ├─InfixOperatorPlus '+'
// CHECK:STDOUT: │ │ ╭─CallExpr ')'
// CHECK:STDOUT: │ ├─ExprStatement ';'
// CHECK:STDOUT: ├─FunctionDefinition '}'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: with_return_type.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: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FloatTypeLiteral', text: 'f64'},
// CHECK:STDOUT: {kind: 'ReturnType', text: '->', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '{', subtree_size: 7},
// CHECK:STDOUT: {kind: 'ReturnStatementStart', text: 'return'},
// CHECK:STDOUT: {kind: 'IntLiteral', text: '42'},
// CHECK:STDOUT: {kind: 'ReturnStatement', text: ';', subtree_size: 3},
// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 11},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'foo'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ │ ╭─FloatTypeLiteral 'f64'
// CHECK:STDOUT: │ ├─ReturnType '->'
// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT: │ │ ╭─ReturnStatementStart 'return'
// CHECK:STDOUT: │ │ ├─IntLiteral '42'
// CHECK:STDOUT: │ ├─ReturnStatement ';'
// CHECK:STDOUT: ├─FunctionDefinition '}'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_identifier_in_statements.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// 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: 'IdentifierNameExpr', text: 'bar'},
// CHECK:STDOUT: {kind: 'ExprStatement', text: 'bar', has_error: yes, subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 8},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT: │ │ ╭─IdentifierNameExpr 'bar'
// CHECK:STDOUT: │ ├─ExprStatement 'bar' has_error
// CHECK:STDOUT: ├─FunctionDefinition '}'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: nested.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// 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: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'NamedParams'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'a'},
// CHECK:STDOUT: {kind: 'BindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 4},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 6},
// CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '{', subtree_size: 9},
// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 10},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'PositionalParams'},
// CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 4},
// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 20},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT: │ │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ │ ├─IdentifierNameMaybeBeforeSignature 'NamedParams'
// CHECK:STDOUT: │ │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ │ ╭─IdentifierNameNotBeforeSignature 'a'
// CHECK:STDOUT: │ │ │ │ ├─BindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ │ ├─IntTypeLiteral 'i32'
// CHECK:STDOUT: │ │ │ ├─LetBindingPattern ':'
// CHECK:STDOUT: │ │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT: │ ├─FunctionDefinition '}'
// CHECK:STDOUT: │ │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ │ ├─IdentifierNameNotBeforeSignature 'PositionalParams'
// CHECK:STDOUT: │ │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT: │ ├─FunctionDefinition '}'
// CHECK:STDOUT: ├─FunctionDefinition '}'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: builtin.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// 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: 'BuiltinFunctionDefinitionStart', text: '=', subtree_size: 5},
// CHECK:STDOUT: {kind: 'BuiltinName', text: '"builtin"'},
// CHECK:STDOUT: {kind: 'BuiltinFunctionDefinition', text: ';', subtree_size: 7},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─BuiltinFunctionDefinitionStart '='
// CHECK:STDOUT: │ ├─BuiltinName '"builtin"'
// CHECK:STDOUT: ├─BuiltinFunctionDefinition ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: builtin_nested.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'ImplIntroducer', text: 'impl'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'T'},
// CHECK:STDOUT: {kind: 'ImplTypeAs', text: 'as', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'I'},
// CHECK:STDOUT: {kind: 'ImplDefinitionStart', text: '{', subtree_size: 5},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'Op'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'BuiltinFunctionDefinitionStart', text: '=', subtree_size: 5},
// CHECK:STDOUT: {kind: 'BuiltinName', text: '"builtin"'},
// CHECK:STDOUT: {kind: 'BuiltinFunctionDefinition', text: ';', subtree_size: 7},
// CHECK:STDOUT: {kind: 'ImplDefinition', text: '}', subtree_size: 13},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─ImplIntroducer 'impl'
// CHECK:STDOUT: │ │ ╭─IdentifierNameExpr 'T'
// CHECK:STDOUT: │ ├─ImplTypeAs 'as'
// CHECK:STDOUT: │ ├─IdentifierNameExpr 'I'
// CHECK:STDOUT: │ ╭─ImplDefinitionStart '{'
// CHECK:STDOUT: │ │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ │ ├─IdentifierNameMaybeBeforeSignature 'Op'
// CHECK:STDOUT: │ │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ │ ╭─BuiltinFunctionDefinitionStart '='
// CHECK:STDOUT: │ │ ├─BuiltinName '"builtin"'
// CHECK:STDOUT: │ ├─BuiltinFunctionDefinition ';'
// CHECK:STDOUT: ├─ImplDefinition '}'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_builtin_identifier.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'NotString'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'BuiltinFunctionDefinitionStart', text: '=', subtree_size: 5},
// CHECK:STDOUT: {kind: 'BuiltinFunctionDefinition', text: ';', has_error: yes, subtree_size: 6},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'NotString'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─BuiltinFunctionDefinitionStart '='
// CHECK:STDOUT: ├─BuiltinFunctionDefinition ';' has_error
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_builtin_two_strings.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'JunkAfterString'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'BuiltinFunctionDefinitionStart', text: '=', subtree_size: 5},
// CHECK:STDOUT: {kind: 'BuiltinName', text: '"hello"'},
// CHECK:STDOUT: {kind: 'BuiltinFunctionDefinition', text: ';', has_error: yes, subtree_size: 7},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'JunkAfterString'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─BuiltinFunctionDefinitionStart '='
// CHECK:STDOUT: │ ├─BuiltinName '"hello"'
// CHECK:STDOUT: ├─BuiltinFunctionDefinition ';' has_error
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_builtin_spurious_equals.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'SpuriousEquals'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'BuiltinFunctionDefinitionStart', text: '=', subtree_size: 5},
// CHECK:STDOUT: {kind: 'BuiltinFunctionDefinition', text: '}', has_error: yes, subtree_size: 6},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'TestRecoveryFromSpuriousEquals'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 5},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'SpuriousEquals'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─BuiltinFunctionDefinitionStart '='
// CHECK:STDOUT: ├─BuiltinFunctionDefinition '}' has_error
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'TestRecoveryFromSpuriousEquals'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
+28 -31
View File
@@ -21,36 +21,33 @@ musteval fn F();
eval musteval fn F();
// CHECK:STDOUT: - filename: eval.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'EvalModifier', text: 'eval'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'F'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 6},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─EvalModifier 'eval'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: musteval.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'MustEvalModifier', text: 'musteval'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'F'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 6},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─MustEvalModifier 'musteval'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: mixed.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'EvalModifier', text: 'eval'},
// CHECK:STDOUT: {kind: 'MustEvalModifier', text: 'musteval'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'F'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 7},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─EvalModifier 'eval'
// CHECK:STDOUT: │ ├─MustEvalModifier 'musteval'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
+72 -79
View File
@@ -49,88 +49,81 @@ extern fn G() {}
extern library "foo" fn G() {}
// CHECK:STDOUT: - filename: extern.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'ExternModifier', text: 'extern'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'G'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 6},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─ExternModifier 'extern'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'G'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: library.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'LibraryName', text: '"foo"'},
// CHECK:STDOUT: {kind: 'LibrarySpecifier', text: 'library', subtree_size: 2},
// CHECK:STDOUT: {kind: 'ExternModifierWithLibrary', text: 'extern', subtree_size: 3},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'G'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 8},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ │ ╭─LibraryName '"foo"'
// CHECK:STDOUT: │ │ ╭─LibrarySpecifier 'library'
// CHECK:STDOUT: │ ├─ExternModifierWithLibrary 'extern'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'G'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: default_library.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'DefaultLibrary', text: 'default'},
// CHECK:STDOUT: {kind: 'LibrarySpecifier', text: 'library', subtree_size: 2},
// CHECK:STDOUT: {kind: 'ExternModifierWithLibrary', text: 'extern', subtree_size: 3},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'G'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 8},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ │ ╭─DefaultLibrary 'default'
// CHECK:STDOUT: │ │ ╭─LibrarySpecifier 'library'
// CHECK:STDOUT: │ ├─ExternModifierWithLibrary 'extern'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'G'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_name_missing.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'LibraryName', text: 'fn', has_error: yes},
// CHECK:STDOUT: {kind: 'LibrarySpecifier', text: 'library', subtree_size: 2},
// CHECK:STDOUT: {kind: 'ExternModifierWithLibrary', text: 'extern', subtree_size: 3},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'G'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 8},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ │ ╭─LibraryName 'fn' has_error
// CHECK:STDOUT: │ │ ╭─LibrarySpecifier 'library'
// CHECK:STDOUT: │ ├─ExternModifierWithLibrary 'extern'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'G'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: fail_identifier.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'InvalidParseStart', text: 'foo', has_error: yes},
// CHECK:STDOUT: {kind: 'LibraryName', text: 'foo', has_error: yes},
// CHECK:STDOUT: {kind: 'LibrarySpecifier', text: 'library', subtree_size: 2},
// CHECK:STDOUT: {kind: 'ExternModifierWithLibrary', text: 'extern', subtree_size: 3},
// CHECK:STDOUT: {kind: 'InvalidParseSubtree', text: ';', has_error: yes, subtree_size: 5},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─InvalidParseStart 'foo' has_error
// CHECK:STDOUT: │ │ ╭─LibraryName 'foo' has_error
// CHECK:STDOUT: │ │ ╭─LibrarySpecifier 'library'
// CHECK:STDOUT: │ ├─ExternModifierWithLibrary 'extern'
// CHECK:STDOUT: ├─InvalidParseSubtree ';' has_error
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: extern_def.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'ExternModifier', text: 'extern'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'G'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '{', subtree_size: 6},
// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 7},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─ExternModifier 'extern'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'G'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT: ├─FunctionDefinition '}'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
// CHECK:STDOUT: - filename: library_def.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'LibraryName', text: '"foo"'},
// CHECK:STDOUT: {kind: 'LibrarySpecifier', text: 'library', subtree_size: 2},
// CHECK:STDOUT: {kind: 'ExternModifierWithLibrary', text: 'extern', subtree_size: 3},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'G'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '{', subtree_size: 8},
// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 9},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ │ ╭─LibraryName '"foo"'
// CHECK:STDOUT: │ │ ╭─LibrarySpecifier 'library'
// CHECK:STDOUT: │ ├─ExternModifierWithLibrary 'extern'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'G'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT: ├─FunctionDefinition '}'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
@@ -16,16 +16,15 @@
fn F(template x:? Form);
// CHECK:STDOUT: - filename: fail_template_form_param.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'F'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'x'},
// CHECK:STDOUT: {kind: 'BindingPatternTypeStart', text: ':?', has_error: yes},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'Form'},
// CHECK:STDOUT: {kind: 'FormBindingPattern', text: ':?', has_error: yes, subtree_size: 4},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', has_error: yes, subtree_size: 6},
// CHECK:STDOUT: {kind: 'FunctionDecl', text: ';', subtree_size: 9},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'x'
// CHECK:STDOUT: │ │ │ ├─BindingPatternTypeStart ':?' has_error
// CHECK:STDOUT: │ │ │ ├─IdentifierNameExpr 'Form'
// CHECK:STDOUT: │ │ ├─FormBindingPattern ':?' has_error
// CHECK:STDOUT: │ ├─ExplicitParamList ')' has_error
// CHECK:STDOUT: ├─FunctionDecl ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)
+29 -30
View File
@@ -13,33 +13,32 @@ fn F(x: i32) => x;
fn G(x: i32) -> i32 => x;
// CHECK:STDOUT: - filename: terse.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'F'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'x'},
// CHECK:STDOUT: {kind: 'BindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 4},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 6},
// CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '=>', subtree_size: 9},
// CHECK:STDOUT: {kind: 'TerseBodyArrow', text: '=>'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'x'},
// CHECK:STDOUT: {kind: 'FunctionTerseDefinition', text: ';', subtree_size: 12},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameMaybeBeforeSignature', text: 'G'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeSignature', text: 'x'},
// CHECK:STDOUT: {kind: 'BindingPatternTypeStart', text: ':'},
// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
// CHECK:STDOUT: {kind: 'LetBindingPattern', text: ':', subtree_size: 4},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 6},
// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
// CHECK:STDOUT: {kind: 'ReturnType', text: '->', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '=>', subtree_size: 11},
// CHECK:STDOUT: {kind: 'TerseBodyArrow', text: '=>'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'x'},
// CHECK:STDOUT: {kind: 'FunctionTerseDefinition', text: ';', subtree_size: 14},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: ╭─FileStart ''
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'x'
// CHECK:STDOUT: │ │ │ ├─BindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ ├─IntTypeLiteral 'i32'
// CHECK:STDOUT: │ │ ├─LetBindingPattern ':'
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '=>'
// CHECK:STDOUT: │ ├─TerseBodyArrow '=>'
// CHECK:STDOUT: │ ├─IdentifierNameExpr 'x'
// CHECK:STDOUT: ├─FunctionTerseDefinition ';'
// CHECK:STDOUT: │ ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT: │ ├─IdentifierNameMaybeBeforeSignature 'G'
// CHECK:STDOUT: │ │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT: │ │ │ ╭─IdentifierNameNotBeforeSignature 'x'
// CHECK:STDOUT: │ │ │ ├─BindingPatternTypeStart ':'
// CHECK:STDOUT: │ │ │ ├─IntTypeLiteral 'i32'
// CHECK:STDOUT: │ │ ├─LetBindingPattern ':'
// CHECK:STDOUT: │ ├─ExplicitParamList ')'
// CHECK:STDOUT: │ │ ╭─IntTypeLiteral 'i32'
// CHECK:STDOUT: │ ├─ReturnType '->'
// CHECK:STDOUT: │ ╭─FunctionDefinitionStart '=>'
// CHECK:STDOUT: │ ├─TerseBodyArrow '=>'
// CHECK:STDOUT: │ ├─IdentifierNameExpr 'x'
// CHECK:STDOUT: ├─FunctionTerseDefinition ';'
// CHECK:STDOUT: ├─FileEnd ''
// CHECK:STDOUT: (root)