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import WIT
struct HostExportInterface: ASTVisitor {
var printer: SourcePrinter
let context: SemanticsContext
let sourceFile: SyntaxNode<SourceFileSyntax>
let packageUnit: PackageUnit
let interface: SyntaxNode<InterfaceSyntax>
let signatureTranslation: SignatureTranslation
let definitionMapping: DefinitionMapping
var structName: String {
get throws {
return try ConvertCase.pascalCase(interface.name)
}
}
mutating func generate() throws {
try walk(interface)
}
func visit<T>(_: T) throws {}
func visitPost<T>(_: T) throws {}
func visit(_ interface: SyntaxNode<InterfaceSyntax>) throws {
try printer.write(line: "struct \(structName) {")
printer.indent()
printer.write(line: "let moduleInstance: ModuleInstance")
}
func visitPost(_ interface: SyntaxNode<InterfaceSyntax>) throws {
printer.unindent()
printer.write(line: "}")
}
func resolveType(_ type: TypeReprSyntax) throws -> WITType {
try context.resolveType(type, in: interface, sourceFile: sourceFile, contextPackage: packageUnit)
}
mutating func visit(_ namedFunction: SyntaxNode<NamedFunctionSyntax>) throws {
let exportFunction = HostExportFunction(
function: namedFunction.function,
name: .interface(
packageUnit.packageName,
interfaceName: interface.name.text,
id: namedFunction.name.text
),
signatureTranslation: signatureTranslation,
definitionMapping: definitionMapping
)
try exportFunction.print(typeResolver: resolveType(_:), printer: printer)
}
}
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