some deletions

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

diff --git a/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201105173854-bc9fc8d8c4bc/internal/lsp/analysis/simplifyrange/simplifyrange.go b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201105173854-bc9fc8d8c4bc/internal/lsp/analysis/simplifyrange/simplifyrange.go
deleted file mode 100644 (file)
index c9cb387..0000000
--- a/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201105173854-bc9fc8d8c4bc/internal/lsp/analysis/simplifyrange/simplifyrange.go
+++ /dev/null
@@ -1,116 +0,0 @@
-// Copyright 2020 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 simplifyrange defines an Analyzer that simplifies range statements.
-// https://golang.org/cmd/gofmt/#hdr-The_simplify_command
-// https://github.com/golang/go/blob/master/src/cmd/gofmt/simplify.go
-package simplifyrange
-
-import (
-       "bytes"
-       "go/ast"
-       "go/printer"
-       "go/token"
-
-       "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 range statement simplifications
-
-A range of the form:
-       for x, _ = range v {...}
-will be simplified to:
-       for x = range v {...}
-
-A range of the form:
-       for _ = range v {...}
-will be simplified to:
-       for range v {...}
-
-This is one of the simplifications that "gofmt -s" applies.`
-
-var Analyzer = &analysis.Analyzer{
-       Name:     "simplifyrange",
-       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.RangeStmt)(nil),
-       }
-       inspect.Preorder(nodeFilter, func(n ast.Node) {
-               var copy *ast.RangeStmt
-               if stmt, ok := n.(*ast.RangeStmt); ok {
-                       x := *stmt
-                       copy = &x
-               }
-               if copy == nil {
-                       return
-               }
-               end := newlineIndex(pass.Fset, copy)
-
-               // Range statements of the form: for i, _ := range x {}
-               var old ast.Expr
-               if isBlank(copy.Value) {
-                       old = copy.Value
-                       copy.Value = nil
-               }
-               // Range statements of the form: for _ := range x {}
-               if isBlank(copy.Key) && copy.Value == nil {
-                       old = copy.Key
-                       copy.Key = nil
-               }
-               // Return early if neither if condition is met.
-               if old == nil {
-                       return
-               }
-               pass.Report(analysis.Diagnostic{
-                       Pos:            old.Pos(),
-                       End:            old.End(),
-                       Message:        "simplify range expression",
-                       SuggestedFixes: suggestedFixes(pass.Fset, copy, end),
-               })
-       })
-       return nil, nil
-}
-
-func suggestedFixes(fset *token.FileSet, rng *ast.RangeStmt, end token.Pos) []analysis.SuggestedFix {
-       var b bytes.Buffer
-       printer.Fprint(&b, fset, rng)
-       stmt := b.Bytes()
-       index := bytes.Index(stmt, []byte("\n"))
-       // If there is a new line character, then don't replace the body.
-       if index != -1 {
-               stmt = stmt[:index]
-       }
-       return []analysis.SuggestedFix{{
-               Message: "Remove empty value",
-               TextEdits: []analysis.TextEdit{{
-                       Pos:     rng.Pos(),
-                       End:     end,
-                       NewText: stmt[:index],
-               }},
-       }}
-}
-
-func newlineIndex(fset *token.FileSet, rng *ast.RangeStmt) token.Pos {
-       var b bytes.Buffer
-       printer.Fprint(&b, fset, rng)
-       contents := b.Bytes()
-       index := bytes.Index(contents, []byte("\n"))
-       if index == -1 {
-               return rng.End()
-       }
-       return rng.Pos() + token.Pos(index)
-}
-
-func isBlank(x ast.Expr) bool {
-       ident, ok := x.(*ast.Ident)
-       return ok && ident.Name == "_"
-}