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 / composite / composite.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/composite/composite.go b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201105173854-bc9fc8d8c4bc/go/analysis/passes/composite/composite.go
deleted file mode 100644 (file)
index 4c3ac66..0000000
+++ /dev/null
@@ -1,117 +0,0 @@
-// Copyright 2012 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 composite defines an Analyzer that checks for unkeyed
-// composite literals.
-package composite
-
-import (
-       "go/ast"
-       "go/types"
-       "strings"
-
-       "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 unkeyed composite literals
-
-This analyzer reports a diagnostic for composite literals of struct
-types imported from another package that do not use the field-keyed
-syntax. Such literals are fragile because the addition of a new field
-(even if unexported) to the struct will cause compilation to fail.
-
-As an example,
-
-       err = &net.DNSConfigError{err}
-
-should be replaced by:
-
-       err = &net.DNSConfigError{Err: err}
-`
-
-var Analyzer = &analysis.Analyzer{
-       Name:             "composites",
-       Doc:              Doc,
-       Requires:         []*analysis.Analyzer{inspect.Analyzer},
-       RunDespiteErrors: true,
-       Run:              run,
-}
-
-var whitelist = true
-
-func init() {
-       Analyzer.Flags.BoolVar(&whitelist, "whitelist", whitelist, "use composite white list; for testing only")
-}
-
-// runUnkeyedLiteral checks if a composite literal is a struct literal with
-// unkeyed fields.
-func run(pass *analysis.Pass) (interface{}, error) {
-       inspect := pass.ResultOf[inspect.Analyzer].(*inspector.Inspector)
-
-       nodeFilter := []ast.Node{
-               (*ast.CompositeLit)(nil),
-       }
-       inspect.Preorder(nodeFilter, func(n ast.Node) {
-               cl := n.(*ast.CompositeLit)
-
-               typ := pass.TypesInfo.Types[cl].Type
-               if typ == nil {
-                       // cannot determine composite literals' type, skip it
-                       return
-               }
-               typeName := typ.String()
-               if whitelist && unkeyedLiteral[typeName] {
-                       // skip whitelisted types
-                       return
-               }
-               under := typ.Underlying()
-               for {
-                       ptr, ok := under.(*types.Pointer)
-                       if !ok {
-                               break
-                       }
-                       under = ptr.Elem().Underlying()
-               }
-               if _, ok := under.(*types.Struct); !ok {
-                       // skip non-struct composite literals
-                       return
-               }
-               if isLocalType(pass, typ) {
-                       // allow unkeyed locally defined composite literal
-                       return
-               }
-
-               // check if the CompositeLit contains an unkeyed field
-               allKeyValue := true
-               for _, e := range cl.Elts {
-                       if _, ok := e.(*ast.KeyValueExpr); !ok {
-                               allKeyValue = false
-                               break
-                       }
-               }
-               if allKeyValue {
-                       // all the composite literal fields are keyed
-                       return
-               }
-
-               pass.ReportRangef(cl, "%s composite literal uses unkeyed fields", typeName)
-       })
-       return nil, nil
-}
-
-func isLocalType(pass *analysis.Pass, typ types.Type) bool {
-       switch x := typ.(type) {
-       case *types.Struct:
-               // struct literals are local types
-               return true
-       case *types.Pointer:
-               return isLocalType(pass, x.Elem())
-       case *types.Named:
-               // names in package foo are local to foo_test too
-               return strings.TrimSuffix(x.Obj().Pkg().Path(), "_test") == strings.TrimSuffix(pass.Pkg.Path(), "_test")
-       }
-       return false
-}