//
// On 386, if cdecl is true, the returned C function will use the
// cdecl calling convention; otherwise, it will use stdcall. On amd64,
// it always uses fastcall. On arm, it always uses the ARM convention.
//
//go:linkname compileCallback syscall.compileCallback
func compileCallback(fn eface, cdecl bool) (code uintptr) {
	if GOARCH != "386" {
		// cdecl is only meaningful on 386.
		cdecl = false
	}

	saved := obj.color_
	obj.color_ = black
	fdecl := decl.fdecl
	check.funcType(sig, fdecl.Recv, fdecl.TParamList, fdecl.Type)
	obj.color_ = saved

	// Set the scope's extent to the complete "func (...) { ... }"
	// so that Scope.Innermost works correctly.
	sig.scope.pos = fdecl.Pos()
	sig.scope.end = syntax.EndPos(fdecl)

	if len(fdecl.TParamList) > 0 && fdecl.Body == nil {

	saved := obj.color_
	obj.color_ = black
	fdecl := decl.fdecl
	check.funcType(sig, fdecl.Recv, fdecl.Type)
	obj.color_ = saved

	// Set the scope's extent to the complete "func (...) { ... }"
	// so that Scope.Innermost works correctly.
	sig.scope.pos = fdecl.Pos()
	sig.scope.end = fdecl.End()

	if fdecl.Type.TypeParams.NumFields() > 0 && fdecl.Body == nil {

			case funcDecl:
				name := d.decl.Name.Name
				obj := NewFunc(d.decl.Name.Pos(), pkg, name, nil) // signature set later
				hasTParamError := false                           // avoid duplicate type parameter errors
				if d.decl.Recv.NumFields() == 0 {
					// regular function
					if d.decl.Recv != nil {
						check.error(d.decl.Recv, BadRecv, "method has no receiver")

func NewCallback(fn any) uintptr {
	return compileCallback(fn, true)
}

// NewCallbackCDecl converts a Go function to a function pointer conforming to the cdecl calling convention.
// This is useful when interoperating with Windows code requiring callbacks.

		if seen[tname] {
			return false, nil
		}

		// we're done if tdecl defined tname as a new type
		// (rather than an alias)
		tdecl := check.objMap[tname].tdecl // must exist for objects in package scope
		if !tdecl.Alias {
			return ptr, tname
		}

		// otherwise, continue resolving
		typ = tdecl.Type
		if seen == nil {
			seen = make(map[*TypeName]bool)
		}
		seen[tname] = true

func NewCallback(fn interface{}) uintptr {
	return syscall.NewCallback(fn)
}

// NewCallbackCDecl converts a Go function to a function pointer conforming to the cdecl calling convention.
// This is useful when interoperating with Windows code requiring callbacks.

// Otherwise it may be a Print wrapper.
func maybePrintfWrapper(info *types.Info, decl ast.Decl) *printfWrapper {
	// Look for functions with final argument type ...interface{}.
	fdecl, ok := decl.(*ast.FuncDecl)
	if !ok || fdecl.Body == nil {
		return nil
	}
	fn, ok := info.Defs[fdecl.Name].(*types.Func)
	// Type information may be incomplete.
	if !ok {
		return nil
	}

		}
	}

	*values = append(*values, &Value{
		Doc:   decl.Doc.Text(),
		Names: specNames(decl.Specs),
		Decl:  decl,
		order: r.order,
	})
	if r.mode&PreserveAST == 0 {
		decl.Doc = nil // doc consumed - remove from AST
	}
	// Note: It's important that the order used here is global because the cleanupTypes
	// methods may move values associated with types back into the global list. If the

	return func(f *types.Func) *ast.FuncDecl {
		if f != nil && fnDecls == nil {
			fnDecls = make(map[*types.Func]*ast.FuncDecl)
			for _, file := range files {
				for _, decl := range file.Decls {
					if fnDecl, ok := decl.(*ast.FuncDecl); ok {
						if fn, ok := info.Defs[fnDecl.Name].(*types.Func); ok {
							fnDecls[fn] = fnDecl
						}
					}
				}
			}
		}
		// TODO: set f = f.Origin() here.