support load mixed go/gop project

context.go

@@ -55,6 +55,7 @@ const (
 	EnableNoStrict                         // Enable no strict mode
 	ExperimentalSupportGC                  // experimental support runtime.GC
 	SupportMultipleInterp                  // Support multiple interp, must manual release interp reflectx icall.
+	CheckGopOverloadFunc                   // Check and skip gop overload func
 )
 
 // Loader types loader interface

gopbuild/build.go

@@ -144,6 +144,7 @@ func (p *Package) ToAst() *goast.File {
 type Context struct {
 	ctx  *igop.Context
 	fset *token.FileSet
+	imp  *igop.Importer
 	gop  igop.Loader
 }
 
@@ -174,7 +175,8 @@ func NewContext(ctx *igop.Context) *Context {
 	if ctx.IsEvalMode() {
 		ctx = igop.NewContext(0)
 	}
-	return &Context{ctx: ctx, fset: token.NewFileSet(), gop: igop.NewTypesLoader(ctx, 0)}
+	ctx.Mode |= igop.CheckGopOverloadFunc
+	return &Context{ctx: ctx, imp: igop.NewImporter(ctx), fset: token.NewFileSet(), gop: igop.NewTypesLoader(ctx, 0)}
 }
 
 func isGopPackage(path string) bool {
@@ -190,7 +192,7 @@ func (c *Context) Import(path string) (*types.Package, error) {
 	if isGopPackage(path) {
 		return c.gop.Import(path)
 	}
-	return c.ctx.Loader.Import(path)
+	return c.imp.Import(path)
 }
 
 func (c *Context) ParseDir(dir string) (*Package, error) {

visit.go

@@ -93,8 +93,13 @@ func (visit *visitor) program() {
 			sel := mset.At(i)
 			obj := sel.Obj()
 			// skip embed extern type method
-			if pkg := obj.Pkg(); pkg != nil && !chks[pkg.Path()] {
-				continue
+			if pkg := obj.Pkg(); pkg != nil {
+				if !chks[pkg.Path()] {
+					continue
+				}
+				if visit.intp.ctx.Mode&CheckGopOverloadFunc != 0 && obj.Pos() == token.NoPos {
+					continue
+				}
 			}
 			fn := visit.prog.MethodValue(sel)
 			mmap[obj.Name()] = fn