Giant blob of minor changes

[dotfiles/.git] / .config / coc / extensions / coc-go-data / tools / pkg / mod / golang.org / x / tools@v0.0.0-20201028153306-37f0764111ff / go / analysis / internal / facts / imports.go

diff --git a/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201028153306-37f0764111ff/go/analysis/internal/facts/imports.go b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201028153306-37f0764111ff/go/analysis/internal/facts/imports.go
new file mode 100644 (file)
index 0000000..34740f4
--- /dev/null
+++ b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201028153306-37f0764111ff/go/analysis/internal/facts/imports.go
@@ -0,0 +1,88 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package facts
+
+import "go/types"
+
+// importMap computes the import map for a package by traversing the
+// entire exported API each of its imports.
+//
+// This is a workaround for the fact that we cannot access the map used
+// internally by the types.Importer returned by go/importer. The entries
+// in this map are the packages and objects that may be relevant to the
+// current analysis unit.
+//
+// Packages in the map that are only indirectly imported may be
+// incomplete (!pkg.Complete()).
+//
+func importMap(imports []*types.Package) map[string]*types.Package {
+       objects := make(map[types.Object]bool)
+       packages := make(map[string]*types.Package)
+
+       var addObj func(obj types.Object) bool
+       var addType func(T types.Type)
+
+       addObj = func(obj types.Object) bool {
+               if !objects[obj] {
+                       objects[obj] = true
+                       addType(obj.Type())
+                       if pkg := obj.Pkg(); pkg != nil {
+                               packages[pkg.Path()] = pkg
+                       }
+                       return true
+               }
+               return false
+       }
+
+       addType = func(T types.Type) {
+               switch T := T.(type) {
+               case *types.Basic:
+                       // nop
+               case *types.Named:
+                       if addObj(T.Obj()) {
+                               for i := 0; i < T.NumMethods(); i++ {
+                                       addObj(T.Method(i))
+                               }
+                       }
+               case *types.Pointer:
+                       addType(T.Elem())
+               case *types.Slice:
+                       addType(T.Elem())
+               case *types.Array:
+                       addType(T.Elem())
+               case *types.Chan:
+                       addType(T.Elem())
+               case *types.Map:
+                       addType(T.Key())
+                       addType(T.Elem())
+               case *types.Signature:
+                       addType(T.Params())
+                       addType(T.Results())
+               case *types.Struct:
+                       for i := 0; i < T.NumFields(); i++ {
+                               addObj(T.Field(i))
+                       }
+               case *types.Tuple:
+                       for i := 0; i < T.Len(); i++ {
+                               addObj(T.At(i))
+                       }
+               case *types.Interface:
+                       for i := 0; i < T.NumMethods(); i++ {
+                               addObj(T.Method(i))
+                       }
+               }
+       }
+
+       for _, imp := range imports {
+               packages[imp.Path()] = imp
+
+               scope := imp.Scope()
+               for _, name := range scope.Names() {
+                       addObj(scope.Lookup(name))
+               }
+       }
+
+       return packages
+}