Add helper to dump the current JS stack. (#543)

* Add helper to dump the current JS stack. Signed-off-by: Josh Matthews <[email protected]> * Bump mozjs_sys version. Signed-off-by: Josh Matthews <[email protected]> --------- Signed-off-by: Josh Matthews <[email protected]>
servo · Dec 25, 2024 · e68fdba · e68fdba
1 parent ce24cb7
commit e68fdba
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diff --git a/mozjs-sys/Cargo.toml b/mozjs-sys/Cargo.toml
@@ -2,7 +2,7 @@
 name = "mozjs_sys"
 description = "System crate for the Mozilla SpiderMonkey JavaScript engine."
 repository.workspace = true
-version = "0.128.6-0"
+version = "0.128.6-1"
 authors = ["Mozilla"]
 links = "mozjs"
 build = "build.rs"

diff --git a/mozjs-sys/src/jsglue.cpp b/mozjs-sys/src/jsglue.cpp
@@ -31,6 +31,7 @@
 #include "js/experimental/JSStencil.h"
 #include "js/experimental/JitInfo.h"
 #include "js/experimental/TypedData.h"
+#include "js/friend/DumpFunctions.h"
 #include "js/friend/ErrorMessages.h"
 #include "jsapi.h"
 #include "jsfriendapi.h"
@@ -1071,4 +1072,16 @@ void SetAccessorPropertyDescriptor(
   desc.set(JS::PropertyDescriptor::Accessor(getter, setter, attrs));
 }
 
+void DumpJSStack(JSContext* cx, bool showArgs, bool showLocals,
+                 bool showThisProps) {
+  JS::AutoSaveExceptionState state(cx);
+
+  JS::UniqueChars buf =
+      JS::FormatStackDump(cx, showArgs, showLocals, showThisProps);
+
+  state.restore();
+
+  printf("%s\n", buf.get());
+}
+
 }  // extern "C"