The reason may be that I was using
*prog.MethodSets.MethodSet(m.Type())*
However, in golang the receiver of a method could be a struct type or a
pointer to a struct type.
If the receiver of the method is a pointer, then only
*prog.MethodSets.MethodSet(types.NewPointer(tm.Type()))*
can return the methods.
On Friday, July 24, 2020 at 4:44:08 PM UTC-5 xudongsun...@gmail.com wrote:
> Hello everyone,
>
> I am trying to use golang.org/x/tools/go/ssa to get the methods list of
> each struct type when doing static analysis on Kubernetes.
> This is the code I wrote to print out the method sets for each struct or
> interface type.
>
> cfg := packages.Config{Mode: packages.LoadAllSyntax}
> initial, err := packages.Load(&cfg, pattern)
> if err != nil {
> log.Fatal(err)
> }
> prog, _ := ssautil.AllPackages(initial, 0)
> prog.Build()
>
> for _, pkg := range prog.AllPackages() {
> if pkg.Pkg.Path() == pattern {
> for _, member := range pkg.Members {
> fmt.Println(member)
> if m, ok := member.(*ssa.Type); ok {
> fmt.Println(prog.MethodSets.MethodSet(m.Type()))
> }
> }
> }
> }
>
>
>
> I checked everything printed by fmt.Println(member) but it only contains
> the pkg-level functions instead of struct methods.
> I also checked everything printed by fmt.Println(prog.MethodSets.MethodSet
> (m.Type())) and the method set for each struct/interface only contains
> the abstract methods and their implementations. Many other methods (which
> are not the implementation of some abstract methods) are missing here.
>
> *In one word, I am able to get all the pkg-level functions in the program
> but I am NOT able the get the complete method list of any struct type in
> the program.*
>
> *Here is what I want:*
> I want to get the complete method list (a list of *ssa.Function pointing
> to the method) by calling some API with the struct type (or name)
>
> I googled around and read the related documents here:
> https://pkg.go.dev/golang.org/x/tools/go/ssa?tab=doc but didn't find any
> clue to solve the problem.
> I also read the golang.org/x/tools/go/ssa code but failed to find any API
> to do so.
>
> Could anyone help to let me know how to do solve it in
> golang.org/x/tools/go/ssa?
> Thank you so much!
>
>
>
>
>
>
>
>
>
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