summaryrefslogtreecommitdiffstats
path: root/vendor/github.com/mgechev/revive/rule/increment-decrement.go
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/github.com/mgechev/revive/rule/increment-decrement.go')
-rw-r--r--vendor/github.com/mgechev/revive/rule/increment-decrement.go74
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"
-}