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import WIT
protocol DefinitionMapping {
func lookupSwiftName(record: WITRecord) throws -> String
func lookupSwiftName(enum: WITEnum) throws -> String
func lookupSwiftName(flags: WITFlags) throws -> String
func lookupSwiftName(variant: WITVariant) throws -> String
func enumCaseSwiftNames(enumType: WITEnum) throws -> [String]
func enumCaseSwiftNames(variantType: WITVariant) throws -> [String]
}
struct SourceDefinitionMapping: DefinitionMapping {
let sourceSummaryProvider: any SourceSummaryProvider
enum Error: Swift.Error {
case missingSource(String)
}
private func lookupSwiftName(witType: String) throws -> String {
guard let swiftTypeName = sourceSummaryProvider.qualifiedSwiftTypeName(byWITName: witType) else {
throw Error.missingSource(witType)
}
return swiftTypeName
}
func lookupSwiftName(record: WITRecord) throws -> String {
try lookupSwiftName(witType: record.name)
}
func lookupSwiftName(enum: WITEnum) throws -> String {
try lookupSwiftName(witType: `enum`.name)
}
func lookupSwiftName(flags: WITFlags) throws -> String {
try lookupSwiftName(witType: flags.name)
}
func lookupSwiftName(variant: WITVariant) throws -> String {
try lookupSwiftName(witType: variant.name)
}
func enumCaseSwiftNames(enumType: WITEnum) throws -> [String] {
guard let cases = sourceSummaryProvider.enumCaseNames(byWITName: enumType.name) else {
throw Error.missingSource(enumType.name)
}
return cases
}
func enumCaseSwiftNames(variantType: WITVariant) throws -> [String] {
guard let cases = sourceSummaryProvider.enumCaseNames(byWITName: variantType.name) else {
throw Error.missingSource(variantType.name)
}
return cases
}
}
struct GeneratedDefinitionMapping: DefinitionMapping {
func lookupSwiftName(record: WITRecord) throws -> String {
return try record.qualifiedSwiftName
}
func lookupSwiftName(enum: WITEnum) throws -> String {
return try `enum`.qualifiedSwiftName
}
func lookupSwiftName(flags: WITFlags) throws -> String {
return try flags.qualifiedSwiftName
}
func lookupSwiftName(variant: WITVariant) throws -> String {
return try variant.qualifiedSwiftName
}
func enumCaseSwiftNames(enumType: WITEnum) throws -> [String] {
enumType.cases.map { SwiftName.makeName(kebab: $0.name) }
}
func enumCaseSwiftNames(variantType: WITVariant) throws -> [String] {
variantType.cases.map { SwiftName.makeName(kebab: $0.name) }
}
}
private func deriveQualifiedSwiftName(
parent: TypeDefinitionContext, name: String
) throws -> String {
switch parent {
case let .interface(id, .package(packageName)):
return try typeNamespace(packageName: packageName, interface: id) + "." + ConvertCase.pascalCase(kebab: name)
case .interface(let id, parent: .world):
return id.text + ConvertCase.pascalCase(kebab: name)
case .world:
return ConvertCase.pascalCase(kebab: name)
}
}
extension WITRecord {
fileprivate var qualifiedSwiftName: String {
get throws { try deriveQualifiedSwiftName(parent: parent, name: name) }
}
}
extension WITEnum {
fileprivate var qualifiedSwiftName: String {
get throws { try deriveQualifiedSwiftName(parent: parent, name: name) }
}
}
extension WITVariant {
fileprivate var qualifiedSwiftName: String {
get throws { try deriveQualifiedSwiftName(parent: parent, name: name) }
}
}
extension WITFlags {
fileprivate var qualifiedSwiftName: String {
get throws { try deriveQualifiedSwiftName(parent: parent, name: name) }
}
}
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