func getFnPath(fn *ssa.Function) string {
if fn == nil {
//println("DEBUG getFnPath nil function")
return ""
}
ob := fn.Object()
if ob == nil {
//println("DEBUG getFnPath nil object: name,synthetic=", fn.Name(), ",", fn.Synthetic)
return ""
}
pk := ob.Pkg()
if pk == nil {
//println("DEBUG getFnPath nil package: name,synthetic=", fn.Name(), ",", fn.Synthetic)
return ""
}
return pk.Path()
}
func IsOverloaded(f *ssa.Function) bool {
pn := "unknown" // Defensive, as some synthetic or other edge-case functions may not have a valid package name
rx := f.Signature.Recv()
if rx == nil { // ordinary function
if f.Pkg != nil {
if f.Pkg.Object != nil {
pn = f.Pkg.Object.Path() //was .Name()
}
} else {
if f.Object() != nil {
if f.Object().Pkg() != nil {
pn = f.Object().Pkg().Path() //was .Name()
}
}
}
} else { // determine the package information from the type description
typ := rx.Type()
ts := typ.String()
if ts[0] == '*' {
ts = ts[1:]
}
tss := strings.Split(ts, ".")
if len(tss) >= 2 {
ts = tss[len(tss)-2] // take the part before the final dot
} else {
ts = tss[0] // no dot!
}
pn = ts
}
tss := strings.Split(pn, "/") // TODO check this also works in Windows
ts := tss[len(tss)-1] // take the last part of the path
pn = ts // TODO this is incorrect, but not currently a problem as there is no function overloading
//println("DEBUG package name: " + pn)
if LanguageList[TargetLang].FunctionOverloaded(pn, f.Name()) ||
strings.HasPrefix(pn, "_") { // the package is not in the target language, signaled by a leading underscore and
return true
}
return false
}