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public protocol ASTVisitor {
mutating func visit(_ astItem: ASTItemSyntax) throws
mutating func visit(_ topLevelUse: SyntaxNode<TopLevelUseSyntax>) throws
mutating func visit(_ world: SyntaxNode<WorldSyntax>) throws
mutating func visit(_ worldItem: WorldItemSyntax) throws
mutating func visit(_ `import`: ImportSyntax) throws
mutating func visit(_ export: ExportSyntax) throws
mutating func visit(_ interface: SyntaxNode<InterfaceSyntax>) throws
mutating func visit(_ interfaceItem: InterfaceItemSyntax) throws
mutating func visit(_ typeDef: SyntaxNode<TypeDefSyntax>) throws
mutating func visit(_ alias: TypeAliasSyntax) throws
mutating func visit(_ handle: HandleSyntax) throws
mutating func visit(_ resource: ResourceSyntax) throws
mutating func visit(_ resourceFunction: ResourceFunctionSyntax) throws
mutating func visit(_ record: RecordSyntax) throws
mutating func visit(_ flags: FlagsSyntax) throws
mutating func visit(_ variant: VariantSyntax) throws
mutating func visit(_ `enum`: EnumSyntax) throws
mutating func visit(_ namedFunction: SyntaxNode<NamedFunctionSyntax>) throws
mutating func visit(_ union: UnionSyntax) throws
mutating func visit(_ function: FunctionSyntax) throws
mutating func visit(_ use: SyntaxNode<UseSyntax>) throws
mutating func visit(_ include: IncludeSyntax) throws
mutating func visitPost(_ astItem: ASTItemSyntax) throws
mutating func visitPost(_ topLevelUse: SyntaxNode<TopLevelUseSyntax>) throws
mutating func visitPost(_ world: SyntaxNode<WorldSyntax>) throws
mutating func visitPost(_ worldItem: WorldItemSyntax) throws
mutating func visitPost(_ `import`: ImportSyntax) throws
mutating func visitPost(_ export: ExportSyntax) throws
mutating func visitPost(_ interface: SyntaxNode<InterfaceSyntax>) throws
mutating func visitPost(_ interfaceItem: InterfaceItemSyntax) throws
mutating func visitPost(_ typeDef: SyntaxNode<TypeDefSyntax>) throws
mutating func visitPost(_ alias: TypeAliasSyntax) throws
mutating func visitPost(_ handle: HandleSyntax) throws
mutating func visitPost(_ resource: ResourceSyntax) throws
mutating func visitPost(_ resourceFunction: ResourceFunctionSyntax) throws
mutating func visitPost(_ record: RecordSyntax) throws
mutating func visitPost(_ flags: FlagsSyntax) throws
mutating func visitPost(_ variant: VariantSyntax) throws
mutating func visitPost(_ `enum`: EnumSyntax) throws
mutating func visitPost(_ namedFunction: SyntaxNode<NamedFunctionSyntax>) throws
mutating func visitPost(_ union: UnionSyntax) throws
mutating func visitPost(_ function: FunctionSyntax) throws
mutating func visitPost(_ use: SyntaxNode<UseSyntax>) throws
mutating func visitPost(_ include: IncludeSyntax) throws
}
extension ASTVisitor {
public mutating func walk(_ sourceFile: SourceFileSyntax) throws {
for item in sourceFile.items {
try walk(item)
}
}
public mutating func walk(_ astItem: ASTItemSyntax) throws {
try visit(astItem)
switch astItem {
case .interface(let interface): try walk(interface)
case .world(let world): try walk(world)
case .use(let topLevelUse): try walk(topLevelUse)
}
try visitPost(astItem)
}
public mutating func walk(_ topLevelUse: SyntaxNode<TopLevelUseSyntax>) throws {
try visit(topLevelUse)
try visitPost(topLevelUse)
}
public mutating func walk(_ world: SyntaxNode<WorldSyntax>) throws {
try visit(world)
for item in world.items {
try walk(item)
}
try visitPost(world)
}
public mutating func walk(_ worldItem: WorldItemSyntax) throws {
try visit(worldItem)
switch worldItem {
case .import(let `import`):
try walk(`import`)
case .export(let export):
try walk(export)
case .use(let use):
try walk(use)
case .type(let typeDef):
try walk(typeDef)
case .include(let include):
try walk(include)
}
try visitPost(worldItem)
}
public mutating func walk(_ importItem: ImportSyntax) throws {
try visit(importItem)
switch importItem.kind {
case .function(_, let function):
try walk(function)
case .interface(_, let items):
for item in items {
try walk(item)
}
case .path: break
}
try visitPost(importItem)
}
public mutating func walk(_ export: ExportSyntax) throws {
try visit(export)
switch export.kind {
case .function(_, let function):
try walk(function)
case .interface(_, let items):
for item in items {
try walk(item)
}
case .path: break
}
try visitPost(export)
}
public mutating func walk(_ interface: SyntaxNode<InterfaceSyntax>) throws {
try visit(interface)
for item in interface.items {
try walk(item)
}
try visitPost(interface)
}
public mutating func walk(_ interfaceItem: InterfaceItemSyntax) throws {
try visit(interfaceItem)
switch interfaceItem {
case .typeDef(let typeDef):
try walk(typeDef)
case .function(let namedFunction):
try walk(namedFunction)
case .use(let use):
try walk(use)
}
try visitPost(interfaceItem)
}
public mutating func walk(_ typeDef: SyntaxNode<TypeDefSyntax>) throws {
try visit(typeDef)
let body = typeDef.body
switch body {
case .flags(let flags):
try walk(flags)
case .resource(let resource):
try walk(resource)
case .record(let record):
try walk(record)
case .variant(let variant):
try walk(variant)
case .union(let union):
try walk(union)
case .enum(let `enum`):
try walk(`enum`)
case .alias(let alias):
try walk(alias)
}
try visitPost(typeDef)
}
public mutating func walk(_ alias: TypeAliasSyntax) throws {
try visit(alias)
try visitPost(alias)
}
public mutating func walk(_ handle: HandleSyntax) throws {
try visit(handle)
try visitPost(handle)
}
public mutating func walk(_ resource: ResourceSyntax) throws {
try visit(resource)
try visitPost(resource)
}
public mutating func walk(_ resourceFunction: ResourceFunctionSyntax) throws {
try visit(resourceFunction)
switch resourceFunction {
case .method(let namedFunction), .static(let namedFunction), .constructor(let namedFunction):
try walk(namedFunction)
}
try visitPost(resourceFunction)
}
public mutating func walk(_ record: RecordSyntax) throws {
try visit(record)
try visitPost(record)
}
public mutating func walk(_ flags: FlagsSyntax) throws {
try visit(flags)
try visitPost(flags)
}
public mutating func walk(_ variant: VariantSyntax) throws {
try visit(variant)
try visitPost(variant)
}
public mutating func walk(_ `enum`: EnumSyntax) throws {
try visit(`enum`)
try visitPost(`enum`)
}
public mutating func walk(_ namedFunction: SyntaxNode<NamedFunctionSyntax>) throws {
try visit(namedFunction)
try walk(namedFunction.function)
try visitPost(namedFunction)
}
public mutating func walk(_ union: UnionSyntax) throws {
try visit(union)
try visitPost(union)
}
public mutating func walk(_ function: FunctionSyntax) throws {
try visit(function)
try visitPost(function)
}
public mutating func walk(_ use: SyntaxNode<UseSyntax>) throws {
try visit(use)
try visitPost(use)
}
public mutating func walk(_ include: IncludeSyntax) throws {
try visit(include)
try visitPost(include)
}
}
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