some deletions

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

diff --git a/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201028153306-37f0764111ff/go/analysis/passes/nilfunc/nilfunc.go b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201028153306-37f0764111ff/go/analysis/passes/nilfunc/nilfunc.go
deleted file mode 100644 (file)
index cd42c98..0000000
--- a/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201028153306-37f0764111ff/go/analysis/passes/nilfunc/nilfunc.go
+++ /dev/null
@@ -1,74 +0,0 @@
-// Copyright 2013 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 nilfunc defines an Analyzer that checks for useless
-// comparisons against nil.
-package nilfunc
-
-import (
-       "go/ast"
-       "go/token"
-       "go/types"
-
-       "golang.org/x/tools/go/analysis"
-       "golang.org/x/tools/go/analysis/passes/inspect"
-       "golang.org/x/tools/go/ast/inspector"
-)
-
-const Doc = `check for useless comparisons between functions and nil
-
-A useless comparison is one like f == nil as opposed to f() == nil.`
-
-var Analyzer = &analysis.Analyzer{
-       Name:     "nilfunc",
-       Doc:      Doc,
-       Requires: []*analysis.Analyzer{inspect.Analyzer},
-       Run:      run,
-}
-
-func run(pass *analysis.Pass) (interface{}, error) {
-       inspect := pass.ResultOf[inspect.Analyzer].(*inspector.Inspector)
-
-       nodeFilter := []ast.Node{
-               (*ast.BinaryExpr)(nil),
-       }
-       inspect.Preorder(nodeFilter, func(n ast.Node) {
-               e := n.(*ast.BinaryExpr)
-
-               // Only want == or != comparisons.
-               if e.Op != token.EQL && e.Op != token.NEQ {
-                       return
-               }
-
-               // Only want comparisons with a nil identifier on one side.
-               var e2 ast.Expr
-               switch {
-               case pass.TypesInfo.Types[e.X].IsNil():
-                       e2 = e.Y
-               case pass.TypesInfo.Types[e.Y].IsNil():
-                       e2 = e.X
-               default:
-                       return
-               }
-
-               // Only want identifiers or selector expressions.
-               var obj types.Object
-               switch v := e2.(type) {
-               case *ast.Ident:
-                       obj = pass.TypesInfo.Uses[v]
-               case *ast.SelectorExpr:
-                       obj = pass.TypesInfo.Uses[v.Sel]
-               default:
-                       return
-               }
-
-               // Only want functions.
-               if _, ok := obj.(*types.Func); !ok {
-                       return
-               }
-
-               pass.ReportRangef(e, "comparison of function %v %v nil is always %v", obj.Name(), e.Op, e.Op == token.NEQ)
-       })
-       return nil, nil
-}