Merge pull request #1 from MELScience/feature/add_max_stack_size_to_java_wrapper

add max stack size to java wrapper

Author: ankstoo

library/src/main/c/quickjs-jni.c

@@ -47,6 +47,18 @@ Java_com_hippo_quickjs_android_QuickJS_setRuntimeMallocLimit(
     JS_SetMemoryLimit(qj_rt->rt, (size_t) malloc_limit);
 }
 
+JNIEXPORT void JNICALL
+Java_com_hippo_quickjs_android_QuickJS_setRuntimeMaxStackSize(
+    JNIEnv *env,
+    jclass __unused clazz,
+    jlong runtime,
+    jint stack_size
+) {
+    QJRuntime *qj_rt = (QJRuntime *) runtime;
+    CHECK_NULL(env, qj_rt, MSG_NULL_JS_RUNTIME);
+    JS_SetMaxStackSize(qj_rt->rt, (size_t) stack_size);
+}
+
 static int on_interrupt(JSRuntime __unused *rt, void *opaque) {
     int result = 0;
 

library/src/main/java/com/hippo/quickjs/android/JSRuntime.java

@@ -59,6 +59,21 @@ public synchronized void setMallocLimit(int mallocLimit) {
     QuickJS.setRuntimeMallocLimit(pointer, mallocLimit);
   }
 
+  /**
+   * Set max stack size for this JSRuntime.
+   * Only positive number and {@code 0} are accepted.
+   * {@code 0} for no stack size check.
+   */
+  public synchronized void setMaxStackSize(int stackSize) {
+    checkClosed();
+
+    if (stackSize < 0) {
+      throw new IllegalArgumentException("Only positive number and 0 are accepted as max stack size");
+    }
+
+    QuickJS.setRuntimeMaxStackSize(pointer, stackSize);
+  }
+
   /**
    * Set the InterruptHandler for this JSRuntime.
    * {@link InterruptHandler#onInterrupt()} is called every 10000 js instructions.

library/src/main/java/com/hippo/quickjs/android/QuickJS.java

@@ -109,6 +109,7 @@ public QuickJS build() {
 
   static native long createRuntime();
   static native void setRuntimeMallocLimit(long runtime, int mallocLimit);
+  static native void setRuntimeMaxStackSize(long runtime, int stackSize);
   static native void setRuntimeInterruptHandler(long runtime, JSRuntime.InterruptHandler interruptHandler);
   static native void destroyRuntime(long runtime);