mozjs_sys 0.67.1

System crate for the Mozilla SpiderMonkey JavaScript engine.
#define ANNOTATE(property) __attribute__((annotate(property)))

namespace js {
namespace gc {
struct Cell {
  int f;
} ANNOTATE("GC Thing");
}  // namespace gc
}  // namespace js

struct Bogon {};

struct JustACell : public js::gc::Cell {
  bool iHaveNoDataMembers() { return true; }
};

struct JSObject : public js::gc::Cell, public Bogon {
  int g;
};

struct SpecialObject : public JSObject {
  int z;
};

struct ErrorResult {
  bool hasObj;
  JSObject *obj;
  void trace() {}
} ANNOTATE("Suppressed GC Pointer");

struct OkContainer {
  ErrorResult res;
  bool happy;
};

struct UnrootedPointer {
  JSObject *obj;
};

template <typename T>
class Rooted {
  T data;
} ANNOTATE("Rooted Pointer");

extern void js_GC() ANNOTATE("GC Call") ANNOTATE("Slow");

void js_GC() {}

void root_arg(JSObject *obj, JSObject *random) {
  // Use all these types so they get included in the output.
  SpecialObject so;
  UnrootedPointer up;
  Bogon b;
  OkContainer okc;
  Rooted<JSObject *> ro;
  Rooted<SpecialObject *> rso;

  obj = random;

  JSObject *other1 = obj;
  js_GC();

  float MARKER1 = 0;
  JSObject *other2 = obj;
  other1->f = 1;
  other2->f = -1;

  unsigned int u1 = 1;
  unsigned int u2 = -1;
}