Update to new heap statistics API

Author: jasonforal

crates/static-analysis-kernel/src/analysis/ddsa_lib/resource_watchdog.rs

@@ -37,8 +37,7 @@ impl V8ResourceWatchdog {
             Arc::clone(&timeout_condvar),
         );
 
-        let mut stats = v8::HeapStatistics::default();
-        isolate.get_heap_statistics(&mut stats);
+        let stats = isolate.get_heap_statistics();
         let initial_heap_limit = stats.heap_size_limit();
 
         let heap_limit_cb =
@@ -299,8 +298,7 @@ impl HeapLimitGuard {
         let boxed_box = Box::new(near_heap_limit_cb);
         let boxed_callback_ptr = Box::into_raw(boxed_box);
         let isolate_ptr: *const v8::Isolate = &*isolate;
-        let mut stats = v8::HeapStatistics::default();
-        isolate.get_heap_statistics(&mut stats);
+        let stats = isolate.get_heap_statistics();
         let initial_limit = stats.heap_size_limit();
 
         let guard = Self {
@@ -462,8 +460,7 @@ pub(crate) mod tests {
     /// Returns the percentage difference between the isolate's current heap limit
     /// and the expected heap limit.
     fn heap_limit_diff(isolate: &mut v8::Isolate, expected: usize) -> f32 {
-        let mut stats = v8::HeapStatistics::default();
-        isolate.get_heap_statistics(&mut stats);
+        let stats = isolate.get_heap_statistics();
         let current_limit = stats.heap_size_limit() as isize;
         let diff = current_limit.abs_diff(expected as isize);
         diff as f32 / expected as f32

crates/static-analysis-kernel/src/analysis/ddsa_lib/runtime.rs

@@ -1579,12 +1579,11 @@ function visit(captures) {
     #[test]
     fn make_base_deno_core_runtime_set_heap_limit() {
         const MAX_BYTES: usize = 16 * 1024 * 1024;
-        let mut heap_stats = v8::HeapStatistics::default();
         let _v8 = cfg_test_v8();
         for size in [MAX_BYTES, MAX_BYTES * 2] {
             let mut rt = make_base_deno_core_runtime(vec![], Some(size));
-            rt.v8_isolate().get_heap_statistics(&mut heap_stats);
-            assert_eq!(heap_stats.heap_size_limit(), size);
+            let stats = rt.v8_isolate().get_heap_statistics();
+            assert_eq!(stats.heap_size_limit(), size);
         }
     }