(feat) regex: pcre2.regex.jit flag

alexey-pelykh · Jun 26, 2024 · 0b4d767 · 0b4d767
1 parent 815a2d3
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diff --git a/README.md b/README.md
@@ -68,6 +68,9 @@ public class Usage {
 }
 ```
 
+By default, the JIT compilation is used in cases the platform and the library support it. To override this behavior, you
+can set the `pcre2.regex.jit` system property with the value `false` to the JVM.
+
 ### Advanced Usage via PCRE4J API
 
 Add the following dependencies to your `pom.xml` file:

diff --git a/regex/src/main/java/org/pcre4j/regex/Pattern.java b/regex/src/main/java/org/pcre4j/regex/Pattern.java
@@ -120,7 +120,8 @@ private Pattern(IPcre2 api, String regex, int flags) {
         }
 
         try {
-            if (Pcre4jUtils.isJitSupported(api)) {
+            final var isJitAllowed = Boolean.parseBoolean(System.getProperty("pcre2.regex.jit", "true"));
+            if (Pcre4jUtils.isJitSupported(api) && isJitAllowed) {
                 this.code = new Pcre2JitCode(
                         api,
                         regex,