.gitignore added

[dotfiles/.git] / .config / coc / extensions / coc-go-data / tools / pkg / mod / golang.org / x / tools@v0.1.1-0.20210319172145-bda8f5cee399 / refactor / rename / util.go

diff --git a/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.1.1-0.20210319172145-bda8f5cee399/refactor/rename/util.go b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.1.1-0.20210319172145-bda8f5cee399/refactor/rename/util.go
new file mode 100644 (file)
index 0000000..e8f8d74
--- /dev/null
+++ b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.1.1-0.20210319172145-bda8f5cee399/refactor/rename/util.go
@@ -0,0 +1,105 @@
+// Copyright 2014 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 rename
+
+import (
+       "go/ast"
+       "go/token"
+       "go/types"
+       "os"
+       "path/filepath"
+       "reflect"
+       "runtime"
+       "strings"
+       "unicode"
+
+       "golang.org/x/tools/go/ast/astutil"
+)
+
+func objectKind(obj types.Object) string {
+       switch obj := obj.(type) {
+       case *types.PkgName:
+               return "imported package name"
+       case *types.TypeName:
+               return "type"
+       case *types.Var:
+               if obj.IsField() {
+                       return "field"
+               }
+       case *types.Func:
+               if obj.Type().(*types.Signature).Recv() != nil {
+                       return "method"
+               }
+       }
+       // label, func, var, const
+       return strings.ToLower(strings.TrimPrefix(reflect.TypeOf(obj).String(), "*types."))
+}
+
+func typeKind(T types.Type) string {
+       return strings.ToLower(strings.TrimPrefix(reflect.TypeOf(T.Underlying()).String(), "*types."))
+}
+
+// NB: for renamings, blank is not considered valid.
+func isValidIdentifier(id string) bool {
+       if id == "" || id == "_" {
+               return false
+       }
+       for i, r := range id {
+               if !isLetter(r) && (i == 0 || !isDigit(r)) {
+                       return false
+               }
+       }
+       return token.Lookup(id) == token.IDENT
+}
+
+// isLocal reports whether obj is local to some function.
+// Precondition: not a struct field or interface method.
+func isLocal(obj types.Object) bool {
+       // [... 5=stmt 4=func 3=file 2=pkg 1=universe]
+       var depth int
+       for scope := obj.Parent(); scope != nil; scope = scope.Parent() {
+               depth++
+       }
+       return depth >= 4
+}
+
+func isPackageLevel(obj types.Object) bool {
+       return obj.Pkg().Scope().Lookup(obj.Name()) == obj
+}
+
+// -- Plundered from go/scanner: ---------------------------------------
+
+func isLetter(ch rune) bool {
+       return 'a' <= ch && ch <= 'z' || 'A' <= ch && ch <= 'Z' || ch == '_' || ch >= 0x80 && unicode.IsLetter(ch)
+}
+
+func isDigit(ch rune) bool {
+       return '0' <= ch && ch <= '9' || ch >= 0x80 && unicode.IsDigit(ch)
+}
+
+// -- Plundered from golang.org/x/tools/cmd/guru -----------------
+
+// sameFile returns true if x and y have the same basename and denote
+// the same file.
+//
+func sameFile(x, y string) bool {
+       if runtime.GOOS == "windows" {
+               x = filepath.ToSlash(x)
+               y = filepath.ToSlash(y)
+       }
+       if x == y {
+               return true
+       }
+       if filepath.Base(x) == filepath.Base(y) { // (optimisation)
+               if xi, err := os.Stat(x); err == nil {
+                       if yi, err := os.Stat(y); err == nil {
+                               return os.SameFile(xi, yi)
+                       }
+               }
+       }
+       return false
+}
+
+func unparen(e ast.Expr) ast.Expr { return astutil.Unparen(e) }