# add dbscheme files to be added verbatim
_includes:
  - prefix.dbscheme

# organize generated class files in subdirectories according to these regexp rules
# a class can override this specifying `_dir`
_directories:
  decl: Decl$|Context$
  pattern: Pattern$
  type: Type(Repr)?$
  expr: Expr$
  stmt: Stmt$

Element:
  is_unknown:
    type: predicate
    _pragma: cpp_skip  # this is emitted using trap entries directly
  _pragma: qltest_skip

File:
  name: string

Locatable:
  location:
    type: Location?
    _pragma: cpp_skip  # this is emitted using trap entries directly
  _pragma: qltest_skip

Location:
  file: File
  start_line: int
  start_column: int
  end_line: int
  end_column: int
  _pragma: qltest_skip

Type:
  name: string
  canonical_type: Type

IterableDeclContext:
  members: Decl*

ExtensionDecl:
  extended_type_decl: NominalTypeDecl
  _extends:
    - GenericContext
    - IterableDeclContext
    - Decl

NominalTypeDecl:
  _extends:
    - IterableDeclContext
    - GenericTypeDecl
  type: Type

AstNode:
  _extends: Locatable

Callable:
  _children:
    params: ParamDecl*
    body: BraceStmt?

ConditionElement:
  _extends: Locatable
  _children:
    boolean: Expr?
    pattern: Pattern?
    initializer: Expr?
  _dir: stmt

AnyFunctionType:
  _extends: Type
  result: Type
  param_types: Type*
  param_labels: string*
  is_throwing: predicate
  is_async: predicate

AnyGenericType:
  _extends: Type
  parent: Type?
  declaration: Decl

AnyMetatypeType:
  _extends: Type

BuiltinType:
  _extends: Type
  _pragma: qltest_collapse_hierarchy

DependentMemberType:
  _extends: Type
  baseType: Type
  associated_type_decl: AssociatedTypeDecl

DynamicSelfType:
  _extends: Type
  static_self_type: Type

ErrorType:
  _extends: Type

InOutType:
  _extends: Type
  object_type: Type

LValueType:
  _extends: Type
  object_type: Type

ModuleType:
  _extends: Type

PlaceholderType:
  _extends: Type

ProtocolCompositionType:
  _extends: Type
  members: Type*

ExistentialType:
  _extends: Type
  constraint: Type

ReferenceStorageType:
  _extends: Type
  referent_type: Type

SilBlockStorageType:
  _extends: Type

SilBoxType:
  _extends: Type

SilFunctionType:
  _extends: Type

SilTokenType:
  _extends: Type

SubstitutableType:
  _extends: Type

SugarType:
  _extends: Type

TupleType:
  _extends: Type
  types: Type*
  names: string*

TypeVariableType:
  _extends: Type

UnresolvedType:
  _extends: Type

ClassDecl:
  _extends: NominalTypeDecl

EnumDecl:
  _extends: NominalTypeDecl

ProtocolDecl:
  _extends: NominalTypeDecl

StructDecl:
  _extends: NominalTypeDecl

Decl:
  _extends: AstNode

Expr:
  _extends: AstNode
  type: Type?

Pattern:
  _extends: AstNode

Stmt:
  _extends: AstNode

TypeRepr:
  _extends: AstNode
  type: Type?  # type can be absent on unresolved entities

FunctionType:
  _extends: AnyFunctionType

GenericFunctionType:
  _extends: AnyFunctionType
  generic_params: GenericTypeParamType*

NominalOrBoundGenericNominalType:
  _extends: AnyGenericType

UnboundGenericType:
  _extends: AnyGenericType

ExistentialMetatypeType:
  _extends: AnyMetatypeType

MetatypeType:
  _extends: AnyMetatypeType

AnyBuiltinIntegerType:
  _extends: BuiltinType

BuiltinBridgeObjectType:
  _extends: BuiltinType

BuiltinDefaultActorStorageType:
  _extends: BuiltinType

BuiltinExecutorType:
  _extends: BuiltinType

BuiltinFloatType:
  _extends: BuiltinType

BuiltinJobType:
  _extends: BuiltinType

BuiltinNativeObjectType:
  _extends: BuiltinType

BuiltinRawPointerType:
  _extends: BuiltinType

BuiltinRawUnsafeContinuationType:
  _extends: BuiltinType

BuiltinUnsafeValueBufferType:
  _extends: BuiltinType

BuiltinVectorType:
  _extends: BuiltinType

UnmanagedStorageType:
  _extends: ReferenceStorageType

UnownedStorageType:
  _extends: ReferenceStorageType

WeakStorageType:
  _extends: ReferenceStorageType

ArchetypeType:
  _extends: SubstitutableType
  interface_type: Type
  superclass: Type?
  protocols: ProtocolDecl*

GenericTypeParamType:
  _extends: SubstitutableType

ParenType:
  _extends: SugarType
  type: Type

SyntaxSugarType:
  _extends: SugarType

TypeAliasType:
  _extends: SugarType
  decl: TypeAliasDecl

EnumCaseDecl:
  _extends: Decl
  _children:
    elements: EnumElementDecl*

IfConfigDecl:
  _extends: Decl
  _children:
    clauses: IfConfigClause*

IfConfigClause:
  _extends: Locatable
  _children:
    condition: Expr?
    elements: AstNode*
  is_active: predicate
  _dir: decl

ImportDecl:
  _extends: Decl
  is_exported: predicate
  module: ModuleDecl
  declarations: ValueDecl*

MissingMemberDecl:
  _extends: Decl

OperatorDecl:
  _extends: Decl
  name: string

PatternBindingDecl:
  _extends: Decl
  _children:
    inits: Expr?*
    patterns: Pattern*

PoundDiagnosticDecl:
  _extends: Decl

PrecedenceGroupDecl:
  _extends: Decl

TopLevelCodeDecl:
  _extends: Decl
  _children:
    body: BraceStmt

ValueDecl:
  _extends: Decl
  interface_type: Type

AbstractClosureExpr:
  _extends:
    - Expr
    - Callable

AnyTryExpr:
  _extends: Expr
  _children:
    sub_expr: Expr

AppliedPropertyWrapperExpr:
  _extends: Expr

Argument:
  _extends: Locatable
  label: string
  _children:
    expr: Expr
  _dir: expr

ApplyExpr:
  _extends: Expr
  _children:
    function: Expr
    arguments: Argument*

ArrowExpr:
  _extends: Expr

AssignExpr:
  _extends: Expr
  _children:
    dest: Expr
    source: Expr

BindOptionalExpr:
  _extends: Expr
  _children:
    sub_expr: Expr

CaptureListExpr:
  _extends: Expr
  _children:
    binding_decls: PatternBindingDecl*
    closure_body: ClosureExpr

CodeCompletionExpr:
  _extends: Expr

CollectionExpr:
  _extends: Expr

DeclRefExpr:
  _extends: Expr
  decl: Decl
  replacement_types: Type*
  has_direct_to_storage_semantics: predicate
  has_direct_to_implementation_semantics: predicate
  has_ordinary_semantics: predicate

DefaultArgumentExpr:
  _extends: Expr
  param_decl: ParamDecl
  param_index: int
  caller_side_default: Expr?

DiscardAssignmentExpr:
  _extends: Expr

DotSyntaxBaseIgnoredExpr:
  _extends: Expr
  _children:
    qualifier: Expr
    sub_expr: Expr

DynamicTypeExpr:
  _extends: Expr
  _children:
    base_expr: Expr

EditorPlaceholderExpr:
  _extends: Expr

EnumIsCaseExpr:
  _extends: Expr
  _children:
    sub_expr: Expr
    element: EnumElementDecl

ErrorExpr:
  _extends: Expr
  _pragma: qltest_skip  # unexpected emission

ExplicitCastExpr:
  _extends: Expr
  _children:
    sub_expr: Expr

ForceValueExpr:
  _extends: Expr
  _children:
    sub_expr: Expr

IdentityExpr:
  _extends: Expr
  _children:
    sub_expr: Expr

IfExpr:
  _extends: Expr
  _children:
    condition: Expr
    then_expr: Expr
    else_expr: Expr

ImplicitConversionExpr:
  _extends: Expr
  _children:
    sub_expr: Expr

InOutExpr:
  _extends: Expr
  _children:
    sub_expr: Expr

KeyPathApplicationExpr:
  _extends: Expr
  _children:
    base: Expr
    key_path: Expr

KeyPathDotExpr:
  _extends: Expr

KeyPathExpr:
  _extends: Expr
  _children:
    root: TypeRepr?
    parsed_path: Expr?

LazyInitializerExpr:
  _extends: Expr
  _children:
    sub_expr: Expr

LiteralExpr:
  _extends: Expr

LookupExpr:
  _extends: Expr
  _children:
    base_expr: Expr
  member: Decl?

MakeTemporarilyEscapableExpr:
  _extends: Expr
  _children:
    escaping_closure: OpaqueValueExpr
    nonescaping_closure: Expr
    sub_expr: Expr

ObjCSelectorExpr:
  _extends: Expr
  _children:
    sub_expr: Expr
  method: AbstractFunctionDecl
  _pragma: qltest_skip  # to be tested in integration tests

OneWayExpr:
  _extends: Expr
  _children:
    sub_expr: Expr

OpaqueValueExpr:
  _extends: Expr

OpenExistentialExpr:
  _extends: Expr
  _children:
    sub_expr: Expr
    existential: Expr
    opaque_expr: OpaqueValueExpr

OptionalEvaluationExpr:
  _extends: Expr
  _children:
    sub_expr: Expr

OtherConstructorDeclRefExpr:
  constructor_decl: ConstructorDecl
  _extends: Expr

OverloadSetRefExpr:
  _extends: Expr

PropertyWrapperValuePlaceholderExpr:
  _extends: Expr

RebindSelfInConstructorExpr:
  _extends: Expr
  _children:
    sub_expr: Expr
    self: VarDecl

SequenceExpr:
  _extends: Expr
  _children:
    elements: Expr*
  _pragma: qltest_skip  # we should really never extract these, as these should be resolved to trees of operations

SuperRefExpr:
  _extends: Expr
  self: VarDecl

TapExpr:
  _extends: Expr
  _children:
    sub_expr: Expr?
    body: BraceStmt
  var: VarDecl

TupleElementExpr:
  _extends: Expr
  _children:
    sub_expr: Expr
  index: int

TupleExpr:
  _extends: Expr
  _children:
    elements: Expr*

TypeExpr:
  _extends: Expr
  _children:
    type_repr: TypeRepr?

UnresolvedDeclRefExpr:
  _extends: Expr
  name: string?

UnresolvedDotExpr:
  _extends: Expr
  _children:
    base: Expr
  name: string

UnresolvedMemberExpr:
  _extends: Expr
  name: string
  _pragma: qltest_skip  # we should really never extract these

UnresolvedPatternExpr:
  _extends: Expr
  _children:
    sub_pattern: Pattern

UnresolvedSpecializeExpr:
  _extends: Expr
  _pragma: qltest_skip  # we should really never extract these

VarargExpansionExpr:
  _extends: Expr
  _children:
    sub_expr: Expr

AnyPattern:
  _extends: Pattern

BindingPattern:
  _extends: Pattern
  _children:
    sub_pattern: Pattern

BoolPattern:
  _extends: Pattern
  value: boolean

EnumElementPattern:
  _extends: Pattern
  element: EnumElementDecl
  _children:
    sub_pattern: Pattern?

ExprPattern:
  _extends: Pattern
  _children:
    sub_expr: Expr

IsPattern:
  _extends: Pattern
  _children:
    cast_type_repr: TypeRepr?
    sub_pattern: Pattern?

NamedPattern:
  _extends: Pattern
  name: string

OptionalSomePattern:
  _extends: Pattern
  _children:
    sub_pattern: Pattern

ParenPattern:
  _extends: Pattern
  _children:
    sub_pattern: Pattern

TuplePattern:
  _extends: Pattern
  _children:
    elements: Pattern*

TypedPattern:
  _extends: Pattern
  _children:
    sub_pattern: Pattern
    type_repr: TypeRepr?

BraceStmt:
  _extends: Stmt
  _children:
    elements: AstNode*

BreakStmt:
  _extends: Stmt
  target_name: string?
  target: Stmt?

CaseStmt:
  _extends: Stmt
  _children:
    body: Stmt
    labels: CaseLabelItem*
  variables: VarDecl*

CaseLabelItem:
  _extends: AstNode
  _children:
    pattern: Pattern
    guard: Expr?
  _dir: stmt

ContinueStmt:
  _extends: Stmt
  target_name: string?
  target: Stmt?

DeferStmt:
  _extends: Stmt
  _children:
    body: BraceStmt

FailStmt:
  _extends: Stmt

FallthroughStmt:
  _extends: Stmt
  fallthrough_source: CaseStmt
  fallthrough_dest: CaseStmt

LabeledStmt:
  _extends: Stmt
  label: string?

PoundAssertStmt:
  _extends: Stmt

ReturnStmt:
  _extends: Stmt
  _children:
    result: Expr?

ThrowStmt:
  _extends: Stmt
  _children:
    sub_expr: Expr

YieldStmt:
  _extends: Stmt
  _children:
    results: Expr*

BoundGenericType:
  _extends: NominalOrBoundGenericNominalType
  arg_types: Type*

NominalType:
  _extends: NominalOrBoundGenericNominalType

BuiltinIntegerLiteralType:
  _extends: AnyBuiltinIntegerType

BuiltinIntegerType:
  _extends: AnyBuiltinIntegerType
  _pragma: qltest_uncollapse_hierarchy
  width: int?

NestedArchetypeType:
  _extends: ArchetypeType
  parent: ArchetypeType
  associated_type_declaration: AssociatedTypeDecl

SequenceArchetypeType:
  _extends: ArchetypeType

OpaqueTypeArchetypeType:
  _extends: ArchetypeType

OpenedArchetypeType:
  _extends: ArchetypeType

PrimaryArchetypeType:
  _extends: ArchetypeType

DictionaryType:
  _extends: SyntaxSugarType
  key_type: Type
  value_type: Type

UnarySyntaxSugarType:
  _extends: SyntaxSugarType
  base_type: Type

InfixOperatorDecl:
  _extends: OperatorDecl
  precedence_group: PrecedenceGroupDecl?

PostfixOperatorDecl:
  _extends: OperatorDecl

PrefixOperatorDecl:
  _extends: OperatorDecl

AbstractFunctionDecl:
  _extends:
    - GenericContext
    - ValueDecl
    - Callable
  name: string

AbstractStorageDecl:
  _extends: ValueDecl
  _children:
    accessor_decls: AccessorDecl*

EnumElementDecl:
  _extends: ValueDecl
  name: string
  _children:
    params: ParamDecl*

TypeDecl:
  _extends: ValueDecl
  name: string
  base_types: Type*

AutoClosureExpr:
  _extends: AbstractClosureExpr

ClosureExpr:
  _extends: AbstractClosureExpr

ForceTryExpr:
  _extends: AnyTryExpr

OptionalTryExpr:
  _extends: AnyTryExpr

TryExpr:
  _extends: AnyTryExpr

BinaryExpr:
  _extends: ApplyExpr

CallExpr:
  _extends: ApplyExpr

PostfixUnaryExpr:
  _extends: ApplyExpr

PrefixUnaryExpr:
  _extends: ApplyExpr

SelfApplyExpr:
  _extends: ApplyExpr
  _children:
    base_expr: Expr

ArrayExpr:
  _extends: CollectionExpr
  _children:
    elements: Expr*

DictionaryExpr:
  _extends: CollectionExpr
  _children:
    elements: Expr*

CheckedCastExpr:
  _extends: ExplicitCastExpr

CoerceExpr:
  _extends: ExplicitCastExpr

AwaitExpr:
  _extends: IdentityExpr

DotSelfExpr:
  _extends: IdentityExpr

ParenExpr:
  _extends: IdentityExpr

UnresolvedMemberChainResultExpr:
  _extends: IdentityExpr

AnyHashableErasureExpr:
  _extends: ImplicitConversionExpr

ArchetypeToSuperExpr:
  _extends: ImplicitConversionExpr

ArrayToPointerExpr:
  _extends: ImplicitConversionExpr

BridgeFromObjCExpr:
  _extends: ImplicitConversionExpr
  _pragma: qltest_skip  # to be tested in integration tests

BridgeToObjCExpr:
  _extends: ImplicitConversionExpr
  _pragma: qltest_skip  # to be tested in integration tests

ClassMetatypeToObjectExpr:
  _extends: ImplicitConversionExpr

CollectionUpcastConversionExpr:
  _extends: ImplicitConversionExpr

ConditionalBridgeFromObjCExpr:
  _extends: ImplicitConversionExpr
  _pragma: qltest_skip  # to be tested in integration tests

CovariantFunctionConversionExpr:
  _extends: ImplicitConversionExpr

CovariantReturnConversionExpr:
  _extends: ImplicitConversionExpr

DerivedToBaseExpr:
  _extends: ImplicitConversionExpr

DestructureTupleExpr:
  _extends: ImplicitConversionExpr

DifferentiableFunctionExpr:
  _extends: ImplicitConversionExpr

DifferentiableFunctionExtractOriginalExpr:
  _extends: ImplicitConversionExpr

ErasureExpr:
  _extends: ImplicitConversionExpr

ExistentialMetatypeToObjectExpr:
  _extends: ImplicitConversionExpr

ForeignObjectConversionExpr:
  _extends: ImplicitConversionExpr

FunctionConversionExpr:
  _extends: ImplicitConversionExpr

InOutToPointerExpr:
  _extends: ImplicitConversionExpr

InjectIntoOptionalExpr:
  _extends: ImplicitConversionExpr

LinearFunctionExpr:
  _extends: ImplicitConversionExpr

LinearFunctionExtractOriginalExpr:
  _extends: ImplicitConversionExpr

LinearToDifferentiableFunctionExpr:
  _extends: ImplicitConversionExpr

LoadExpr:
  _extends: ImplicitConversionExpr

MetatypeConversionExpr:
  _extends: ImplicitConversionExpr

PointerToPointerExpr:
  _extends: ImplicitConversionExpr

ProtocolMetatypeToObjectExpr:
  _extends: ImplicitConversionExpr

StringToPointerExpr:
  _extends: ImplicitConversionExpr

UnderlyingToOpaqueExpr:
  _extends: ImplicitConversionExpr

UnevaluatedInstanceExpr:
  _extends: ImplicitConversionExpr

UnresolvedTypeConversionExpr:
  _extends: ImplicitConversionExpr

BuiltinLiteralExpr:
  _extends: LiteralExpr

InterpolatedStringLiteralExpr:
  _extends: LiteralExpr
  interpolation_expr: OpaqueValueExpr?
  _children:
    interpolation_count_expr: Expr?
    literal_capacity_expr: Expr?
    appending_expr: TapExpr?

RegexLiteralExpr:
  _extends: LiteralExpr

NilLiteralExpr:
  _extends: LiteralExpr

ObjectLiteralExpr:
  _extends: LiteralExpr

DynamicLookupExpr:
  _extends: LookupExpr

MemberRefExpr:
  _extends: LookupExpr
  has_direct_to_storage_semantics: predicate
  has_direct_to_implementation_semantics: predicate
  has_ordinary_semantics: predicate

SubscriptExpr:
  _extends:
    - LookupExpr
  _children:
    arguments: Argument*
  has_direct_to_storage_semantics: predicate
  has_direct_to_implementation_semantics: predicate
  has_ordinary_semantics: predicate

OverloadedDeclRefExpr:
  _extends: OverloadSetRefExpr

DoCatchStmt:
  _extends: LabeledStmt
  _children:
    body: Stmt
    catches: CaseStmt*

DoStmt:
  _extends: LabeledStmt
  _children:
    body: BraceStmt

ForEachStmt:
  _extends: LabeledStmt
  _children:
    pattern: Pattern
    sequence: Expr
    where: Expr?
    body: BraceStmt

LabeledConditionalStmt:
  _extends: LabeledStmt
  _children:
    condition: StmtCondition

StmtCondition:
  _extends: AstNode
  _children:
    elements: ConditionElement*
  _dir: stmt

RepeatWhileStmt:
  _extends: LabeledStmt
  _children:
    condition: Expr
    body: Stmt

SwitchStmt:
  _extends: LabeledStmt
  _children:
    expr: Expr
    cases: CaseStmt*

BoundGenericClassType:
  _extends: BoundGenericType

BoundGenericEnumType:
  _extends: BoundGenericType

BoundGenericStructType:
  _extends: BoundGenericType

ClassType:
  _extends: NominalType

EnumType:
  _extends: NominalType

ProtocolType:
  _extends: NominalType

StructType:
  _extends: NominalType

ArraySliceType:
  _extends: UnarySyntaxSugarType

OptionalType:
  _extends: UnarySyntaxSugarType

VariadicSequenceType:
  _extends: UnarySyntaxSugarType

ConstructorDecl:
  _extends: AbstractFunctionDecl

DestructorDecl:
  _extends: AbstractFunctionDecl

FuncDecl:
  _extends: AbstractFunctionDecl

SubscriptDecl:
  _extends:
    - AbstractStorageDecl
    - GenericContext
  _children:
    params: ParamDecl*
  element_type: Type

VarDecl:
  _extends: AbstractStorageDecl
  name: string
  type: Type
  attached_property_wrapper_type: Type?
  parent_pattern: Pattern?
  parent_initializer: Expr?

AbstractTypeParamDecl:
  _extends: TypeDecl

GenericContext:
  generic_type_params: GenericTypeParamDecl*

GenericTypeDecl:
  _extends:
    - GenericContext
    - TypeDecl

ModuleDecl:
  _extends: TypeDecl
  is_builtin_module: predicate
  is_system_module: predicate

ConstructorRefCallExpr:
  _extends: SelfApplyExpr

DotSyntaxCallExpr:
  _extends: SelfApplyExpr

ConditionalCheckedCastExpr:
  _extends: CheckedCastExpr

ForcedCheckedCastExpr:
  _extends: CheckedCastExpr

IsExpr:
  _extends: CheckedCastExpr

BooleanLiteralExpr:
  _extends: BuiltinLiteralExpr
  value: boolean

MagicIdentifierLiteralExpr:
  _extends: BuiltinLiteralExpr
  kind: string

NumberLiteralExpr:
  _extends: BuiltinLiteralExpr

StringLiteralExpr:
  _extends: BuiltinLiteralExpr
  value: string

DynamicMemberRefExpr:
  _extends: DynamicLookupExpr

DynamicSubscriptExpr:
  _extends: DynamicLookupExpr

GuardStmt:
  _extends: LabeledConditionalStmt
  _children:
    body: BraceStmt

IfStmt:
  _extends: LabeledConditionalStmt
  _children:
    then: Stmt
    else: Stmt?

WhileStmt:
  _extends: LabeledConditionalStmt
  _children:
    body: Stmt

AccessorDecl:
  _extends: FuncDecl
  is_getter: predicate
  is_setter: predicate
  is_will_set: predicate
  is_did_set: predicate

ConcreteFuncDecl:
  _extends: FuncDecl

ConcreteVarDecl:
  _extends: VarDecl
  introducer_int: int

ParamDecl:
  _extends: VarDecl
  is_inout: predicate

AssociatedTypeDecl:
  _extends: AbstractTypeParamDecl

GenericTypeParamDecl:
  _extends: AbstractTypeParamDecl

OpaqueTypeDecl:
  _extends: GenericTypeDecl

TypeAliasDecl:
  _extends: GenericTypeDecl

FloatLiteralExpr:
  _extends: NumberLiteralExpr
  string_value: string

IntegerLiteralExpr:
  _extends: NumberLiteralExpr
  string_value: string