moved to multiline strings in tests to make it easier to extract them…

… for fuzzing corpus

pry-build-corpus/main.go

@@ -1,16 +1,20 @@
 package main
 
 import (
+	"bytes"
+	"crypto/sha1"
+	"encoding/hex"
 	"io/ioutil"
 	"log"
+	"os"
 	"path/filepath"
 	"regexp"
 )
 
 const out = "fuzz/corpus/"
 
 var (
-	exampleRegexpQuotes = regexp.MustCompile("InterpretString\\((\"(.*)\"|`(.*)`)\\)")
+	exampleRegexpQuotes = regexp.MustCompile("(?s)InterpretString\\(`(.*?)`\\)")
 )
 
 func main() {
@@ -24,14 +28,29 @@ func run() error {
 	if err != nil {
 		return err
 	}
+	if err := os.MkdirAll(out, 0755); err != nil {
+		return err
+	}
 	for _, fpath := range files {
 		body, err := ioutil.ReadFile(fpath)
 		if err != nil {
 			return err
 		}
-		matches := exampleRegexpQuotes.FindAllSubmatch(body, -1)
-		for _, match := range matches {
-			expr := match[2]
+
+		for {
+			match := exampleRegexpQuotes.FindSubmatchIndex(body)
+			if match == nil {
+				break
+			}
+
+			expr := bytes.TrimSpace(body[match[2]:match[3]])
+			hash := sha1.Sum(expr)
+			file := hex.EncodeToString(hash[:])
+			if err := ioutil.WriteFile(filepath.Join(out, file), expr, 0644); err != nil {
+				return err
+			}
+
+			body = body[match[1]:]
 		}
 	}
 	return nil