some deletions

[dotfiles/.git] / .config / coc / extensions / coc-go-data / tools / pkg / mod / golang.org / x / tools@v0.0.0-20201105173854-bc9fc8d8c4bc / go / analysis / passes / atomic / atomic.go

diff --git a/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201105173854-bc9fc8d8c4bc/go/analysis/passes/atomic/atomic.go b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201105173854-bc9fc8d8c4bc/go/analysis/passes/atomic/atomic.go
deleted file mode 100644 (file)
index 9261db7..0000000
--- a/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201105173854-bc9fc8d8c4bc/go/analysis/passes/atomic/atomic.go
+++ /dev/null
@@ -1,96 +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 atomic defines an Analyzer that checks for common mistakes
-// using the sync/atomic package.
-package atomic
-
-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/analysis/passes/internal/analysisutil"
-       "golang.org/x/tools/go/ast/inspector"
-)
-
-const Doc = `check for common mistakes using the sync/atomic package
-
-The atomic checker looks for assignment statements of the form:
-
-       x = atomic.AddUint64(&x, 1)
-
-which are not atomic.`
-
-var Analyzer = &analysis.Analyzer{
-       Name:             "atomic",
-       Doc:              Doc,
-       Requires:         []*analysis.Analyzer{inspect.Analyzer},
-       RunDespiteErrors: true,
-       Run:              run,
-}
-
-func run(pass *analysis.Pass) (interface{}, error) {
-       inspect := pass.ResultOf[inspect.Analyzer].(*inspector.Inspector)
-
-       nodeFilter := []ast.Node{
-               (*ast.AssignStmt)(nil),
-       }
-       inspect.Preorder(nodeFilter, func(node ast.Node) {
-               n := node.(*ast.AssignStmt)
-               if len(n.Lhs) != len(n.Rhs) {
-                       return
-               }
-               if len(n.Lhs) == 1 && n.Tok == token.DEFINE {
-                       return
-               }
-
-               for i, right := range n.Rhs {
-                       call, ok := right.(*ast.CallExpr)
-                       if !ok {
-                               continue
-                       }
-                       sel, ok := call.Fun.(*ast.SelectorExpr)
-                       if !ok {
-                               continue
-                       }
-                       pkgIdent, _ := sel.X.(*ast.Ident)
-                       pkgName, ok := pass.TypesInfo.Uses[pkgIdent].(*types.PkgName)
-                       if !ok || pkgName.Imported().Path() != "sync/atomic" {
-                               continue
-                       }
-
-                       switch sel.Sel.Name {
-                       case "AddInt32", "AddInt64", "AddUint32", "AddUint64", "AddUintptr":
-                               checkAtomicAddAssignment(pass, n.Lhs[i], call)
-                       }
-               }
-       })
-       return nil, nil
-}
-
-// checkAtomicAddAssignment walks the atomic.Add* method calls checking
-// for assigning the return value to the same variable being used in the
-// operation
-func checkAtomicAddAssignment(pass *analysis.Pass, left ast.Expr, call *ast.CallExpr) {
-       if len(call.Args) != 2 {
-               return
-       }
-       arg := call.Args[0]
-       broken := false
-
-       gofmt := func(e ast.Expr) string { return analysisutil.Format(pass.Fset, e) }
-
-       if uarg, ok := arg.(*ast.UnaryExpr); ok && uarg.Op == token.AND {
-               broken = gofmt(left) == gofmt(uarg.X)
-       } else if star, ok := left.(*ast.StarExpr); ok {
-               broken = gofmt(star.X) == gofmt(arg)
-       }
-
-       if broken {
-               pass.ReportRangef(left, "direct assignment to atomic value")
-       }
-}