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gitea/vendor/github.com/mgechev/revive/rule/max-public-structs.go
Lunny Xiao 4f63f283c4
Rename scripts to build and add revive command as a new build tool command (#10942)
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
2020-04-03 22:29:12 +03:00

67 lines
1.4 KiB
Go
Vendored

package rule
import (
"go/ast"
"strings"
"github.com/mgechev/revive/lint"
)
// MaxPublicStructsRule lints given else constructs.
type MaxPublicStructsRule struct{}
// Apply applies the rule to given file.
func (r *MaxPublicStructsRule) Apply(file *lint.File, arguments lint.Arguments) []lint.Failure {
var failures []lint.Failure
fileAst := file.AST
walker := &lintMaxPublicStructs{
fileAst: fileAst,
onFailure: func(failure lint.Failure) {
failures = append(failures, failure)
},
}
ast.Walk(walker, fileAst)
max, ok := arguments[0].(int64) // Alt. non panicking version
if !ok {
panic(`invalid value passed as argument number to the "max-public-structs" rule`)
}
if walker.current > max {
walker.onFailure(lint.Failure{
Failure: "you have exceeded the maximum number of public struct declarations",
Confidence: 1,
Node: fileAst,
Category: "style",
})
}
return failures
}
// Name returns the rule name.
func (r *MaxPublicStructsRule) Name() string {
return "max-public-structs"
}
type lintMaxPublicStructs struct {
current int64
fileAst *ast.File
onFailure func(lint.Failure)
}
func (w *lintMaxPublicStructs) Visit(n ast.Node) ast.Visitor {
switch v := n.(type) {
case *ast.TypeSpec:
name := v.Name.Name
first := string(name[0])
if strings.ToUpper(first) == first {
w.current++
}
break
}
return w
}