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 / assign / assign.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/assign/assign.go b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201105173854-bc9fc8d8c4bc/go/analysis/passes/assign/assign.go
deleted file mode 100644 (file)
index 3586638..0000000
+++ /dev/null
@@ -1,76 +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 assign defines an Analyzer that detects useless assignments.
-package assign
-
-// TODO(adonovan): check also for assignments to struct fields inside
-// methods that are on T instead of *T.
-
-import (
-       "fmt"
-       "go/ast"
-       "go/token"
-       "reflect"
-
-       "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 useless assignments
-
-This checker reports assignments of the form x = x or a[i] = a[i].
-These are almost always useless, and even when they aren't they are
-usually a mistake.`
-
-var Analyzer = &analysis.Analyzer{
-       Name:     "assign",
-       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.AssignStmt)(nil),
-       }
-       inspect.Preorder(nodeFilter, func(n ast.Node) {
-               stmt := n.(*ast.AssignStmt)
-               if stmt.Tok != token.ASSIGN {
-                       return // ignore :=
-               }
-               if len(stmt.Lhs) != len(stmt.Rhs) {
-                       // If LHS and RHS have different cardinality, they can't be the same.
-                       return
-               }
-               for i, lhs := range stmt.Lhs {
-                       rhs := stmt.Rhs[i]
-                       if analysisutil.HasSideEffects(pass.TypesInfo, lhs) ||
-                               analysisutil.HasSideEffects(pass.TypesInfo, rhs) {
-                               continue // expressions may not be equal
-                       }
-                       if reflect.TypeOf(lhs) != reflect.TypeOf(rhs) {
-                               continue // short-circuit the heavy-weight gofmt check
-                       }
-                       le := analysisutil.Format(pass.Fset, lhs)
-                       re := analysisutil.Format(pass.Fset, rhs)
-                       if le == re {
-                               pass.Report(analysis.Diagnostic{
-                                       Pos: stmt.Pos(), Message: fmt.Sprintf("self-assignment of %s to %s", re, le),
-                                       SuggestedFixes: []analysis.SuggestedFix{
-                                               {Message: "Remove", TextEdits: []analysis.TextEdit{
-                                                       {Pos: stmt.Pos(), End: stmt.End(), NewText: []byte{}},
-                                               }},
-                                       },
-                               })
-                       }
-               }
-       })
-
-       return nil, nil
-}