47 lines
1.0 KiB
Go
47 lines
1.0 KiB
Go
package sa1000
|
|
|
|
import (
|
|
"go/constant"
|
|
"regexp"
|
|
|
|
"honnef.co/go/tools/analysis/callcheck"
|
|
"honnef.co/go/tools/analysis/lint"
|
|
"honnef.co/go/tools/internal/passes/buildir"
|
|
|
|
"golang.org/x/tools/go/analysis"
|
|
)
|
|
|
|
var SCAnalyzer = lint.InitializeAnalyzer(&lint.Analyzer{
|
|
Analyzer: &analysis.Analyzer{
|
|
Name: "SA1000",
|
|
Requires: []*analysis.Analyzer{buildir.Analyzer},
|
|
Run: callcheck.Analyzer(rules),
|
|
},
|
|
Doc: &lint.RawDocumentation{
|
|
Title: `Invalid regular expression`,
|
|
Since: "2017.1",
|
|
Severity: lint.SeverityError,
|
|
MergeIf: lint.MergeIfAny,
|
|
},
|
|
})
|
|
|
|
var Analyzer = SCAnalyzer.Analyzer
|
|
|
|
var rules = map[string]callcheck.Check{
|
|
"regexp.MustCompile": check,
|
|
"regexp.Compile": check,
|
|
"regexp.Match": check,
|
|
"regexp.MatchReader": check,
|
|
"regexp.MatchString": check,
|
|
}
|
|
|
|
func check(call *callcheck.Call) {
|
|
arg := call.Args[0]
|
|
if c := callcheck.ExtractConstExpectKind(arg.Value, constant.String); c != nil {
|
|
s := constant.StringVal(c.Value)
|
|
if _, err := regexp.Compile(s); err != nil {
|
|
arg.Invalid(err.Error())
|
|
}
|
|
}
|
|
}
|