// writeFunc writes a syscall wrapper for f to w.
// It modifies f's data, so be warned!
func (m *module) writeFunc(w io.Writer, f *ast.FuncDecl) error {
f.Recv = nil // Remove the bogus receiver (really the DLL name).
err := m.printConfig.Fprint(w, m.fileSet, f)
if err != nil {
return err
}
fmt.Fprintln(w, " {")
params, setupCode, resultCode, err := m.analyzeParameterList(f.Type)
if err != nil {
return err
}
prefix := ""
if m.packageName != "com" {
prefix = "com."
}
if setupCode != "" {
fmt.Fprintln(w, setupCode)
}
fmt.Fprintf(w, "\t_res, _, _ := %sSyscall(proc%s.Addr(),\n\t\t%s)\n", prefix, f.Name.Name, strings.Join(params, ",\n\t\t"))
fmt.Fprint(w, resultCode)
fmt.Fprintln(w, "\treturn")
fmt.Fprintln(w, "}")
fmt.Fprintln(w)
return nil
}