Merge pull request #427 from visualfc/initgop

add InitThisGopPkgEx for map overload name to position

Author: xushiwei

import.go

@@ -97,6 +97,11 @@ func isGopCommon(name string) bool {
 
 // InitThisGopPkg initializes a Go+ package.
 func InitThisGopPkg(pkg *types.Package) {
+	InitThisGopPkgEx(pkg, nil)
+}
+
+// InitThisGopPkg initializes a Go+ package. pos map overload name to postion.
+func InitThisGopPkgEx(pkg *types.Package, pos map[string]token.Pos) {
 	scope := pkg.Scope()
 	gopos := make([]string, 0, 4)
 	overloads := make(map[omthd][]types.Object)
@@ -156,15 +161,15 @@ func InitThisGopPkg(pkg *types.Package) {
 				}
 			}
 			if len(fns) > 0 {
-				newOverload(pkg, scope, m, fns)
+				newOverload(pkg, scope, m, fns, pos)
 			}
 			delete(overloads, m)
 		}
 	}
 	for key, items := range overloads {
 		off := len(key.name) + 2
 		fns := overloadFuncs(off, items)
-		newOverload(pkg, scope, key, fns)
+		newOverload(pkg, scope, key, fns, pos)
 	}
 	for name, items := range onameds {
 		off := len(name) + 2
@@ -310,19 +315,19 @@ func checkOverloads(scope *types.Scope, gopoName string) (ret []string, exists b
 	return
 }
 
-func newOverload(pkg *types.Package, scope *types.Scope, m omthd, fns []types.Object) {
+func newOverload(pkg *types.Package, scope *types.Scope, m omthd, fns []types.Object, pos map[string]token.Pos) {
 	if m.typ == nil {
 		if debugImport {
 			log.Println("==> NewOverloadFunc", m.name)
 		}
-		o := NewOverloadFunc(token.NoPos, pkg, m.name, fns...)
+		o := NewOverloadFunc(pos[m.name], pkg, m.name, fns...)
 		scope.Insert(o)
 		checkGoptsx(pkg, scope, m.name, o)
 	} else {
 		if debugImport {
 			log.Println("==> NewOverloadMethod", m.typ.Obj().Name(), m.name)
 		}
-		NewOverloadMethod(m.typ, token.NoPos, pkg, m.name, fns...)
+		NewOverloadMethod(m.typ, pos[m.typ.Obj().Name()+"."+m.name], pkg, m.name, fns...)
 	}
 }