diff options
Diffstat (limited to 'vendor/github.com/mgechev/revive/rule/increment-decrement.go')
-rw-r--r-- | vendor/github.com/mgechev/revive/rule/increment-decrement.go | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/vendor/github.com/mgechev/revive/rule/increment-decrement.go b/vendor/github.com/mgechev/revive/rule/increment-decrement.go deleted file mode 100644 index 5d6b176719..0000000000 --- a/vendor/github.com/mgechev/revive/rule/increment-decrement.go +++ /dev/null @@ -1,74 +0,0 @@ -package rule - -import ( - "fmt" - "go/ast" - "go/token" - - "github.com/mgechev/revive/lint" -) - -// IncrementDecrementRule lints given else constructs. -type IncrementDecrementRule struct{} - -// Apply applies the rule to given file. -func (r *IncrementDecrementRule) Apply(file *lint.File, _ lint.Arguments) []lint.Failure { - var failures []lint.Failure - - fileAst := file.AST - walker := lintIncrementDecrement{ - file: file, - onFailure: func(failure lint.Failure) { - failures = append(failures, failure) - }, - } - - ast.Walk(walker, fileAst) - - return failures -} - -// Name returns the rule name. -func (r *IncrementDecrementRule) Name() string { - return "increment-decrement" -} - -type lintIncrementDecrement struct { - file *lint.File - fileAst *ast.File - onFailure func(lint.Failure) -} - -func (w lintIncrementDecrement) Visit(n ast.Node) ast.Visitor { - as, ok := n.(*ast.AssignStmt) - if !ok { - return w - } - if len(as.Lhs) != 1 { - return w - } - if !isOne(as.Rhs[0]) { - return w - } - var suffix string - switch as.Tok { - case token.ADD_ASSIGN: - suffix = "++" - case token.SUB_ASSIGN: - suffix = "--" - default: - return w - } - w.onFailure(lint.Failure{ - Confidence: 0.8, - Node: as, - Category: "unary-op", - Failure: fmt.Sprintf("should replace %s with %s%s", w.file.Render(as), w.file.Render(as.Lhs[0]), suffix), - }) - return w -} - -func isOne(expr ast.Expr) bool { - lit, ok := expr.(*ast.BasicLit) - return ok && lit.Kind == token.INT && lit.Value == "1" -} |