gijsbers / go-pcre Goto Github PK

package main

import (
	"log"

	pcre "github.com/gijsbers/go-pcre"
)

func findIndex(a pcre.Regexp) {
	for {
		// Compile a new function with JIT. Since this is running in a goroutine and
		// probably a different thread the JIT stack will be violated.
		b := pcre.MustCompileJIT("[^\\/><\\s]+", 0, 0)
		if b.FindIndex([]byte(" <p>"), 0) == nil {
			log.Fatal("b.FindIndex(...) should never equal nil")
		}

		if a.FindIndex([]byte(" <p>"), 0) == nil {
			log.Fatal("a.FindIndex(...) should never equal nil")
		}
	}
}

func main() {
	a := pcre.MustCompileJIT("[^\\/><\\s]+", 0, 0)
	for i := 0; i < 4; i++ {
		go findIndex(a)
	}
	findIndex(a)
}