[gjs] js: Fix misc APIs for mozjs31

[Philip Chimento <pchimento src gnome org>]

commit cd355eaa081676c102fe4b369a3d8e92c78413d3
Author: Philip Chimento <philip endlessm com>
Date:   Fri Nov 4 18:27:42 2016 -0700

    js: Fix misc APIs for mozjs31
    
    This commit adapts to a few miscellaneous API changes in mozjs31 that
    don't fit anywhere else.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=751252

 gi/function.cpp    |    4 ++--
 gi/object.cpp      |    7 +++----
 gjs/coverage.cpp   |    7 ++++---
 gjs/importer.cpp   |    3 +--
 gjs/jsapi-util.cpp |    4 ++--
 5 files changed, 12 insertions(+), 13 deletions(-)
---
diff --git a/gi/function.cpp b/gi/function.cpp
index 71fdd5d..082e825 100644
--- a/gi/function.cpp
+++ b/gi/function.cpp
@@ -87,7 +87,7 @@ gjs_callback_trampoline_unref(GjsCallbackTrampoline *trampoline)
 
         if (!trampoline->is_vfunc) {
             JS_BeginRequest(context);
-            JS_RemoveValueRoot(context, trampoline->js_function.unsafeGet());
+            JS::RemoveValueRoot(context, &trampoline->js_function);
             JS_EndRequest(context);
         }
 
@@ -456,7 +456,7 @@ gjs_callback_trampoline_new(JSContext      *context,
     g_base_info_ref((GIBaseInfo*)trampoline->info);
     trampoline->js_function = function;
     if (!is_vfunc)
-        JS_AddValueRoot(context, trampoline->js_function.unsafeGet());
+        JS::AddValueRoot(context, &trampoline->js_function);
 
     /* Analyze param types and directions, similarly to init_cached_function_data */
     n_args = g_callable_info_get_n_args(trampoline->info);
diff --git a/gi/object.cpp b/gi/object.cpp
index d0ed86c..a95e8ae 100644
--- a/gi/object.cpp
+++ b/gi/object.cpp
@@ -99,6 +99,8 @@ static volatile gint pending_idle_toggles;
 
 GJS_DEFINE_PRIV_FROM_JS(ObjectInstance, gjs_object_instance_class)
 
+static JS::Heap<JSObject *> *ensure_heap_wrapper(GObject *gobj);
+
 static JSObject*       peek_js_obj  (GObject   *gobj);
 static void            set_js_obj   (GObject   *gobj,
                                      JSObject  *obj);
@@ -1056,10 +1058,7 @@ wrapped_gobj_toggle_notify(gpointer      data,
                         G_OBJECT_TYPE_NAME(gobj));
             }
             if (is_sweeping) {
-                JSObject *object;
-
-                object = peek_js_obj(gobj);
-                if (JS_IsAboutToBeFinalized(&object)) {
+                if (JS_IsAboutToBeFinalized(ensure_heap_wrapper(gobj))) {
                     /* Ouch, the JS object is dead already. Disassociate the GObject
                      * and hope the GObject dies too.
                      */
diff --git a/gjs/coverage.cpp b/gjs/coverage.cpp
index 036b004..4975019 100644
--- a/gjs/coverage.cpp
+++ b/gjs/coverage.cpp
@@ -406,8 +406,7 @@ get_array_from_js_value(JSContext             *context,
     g_return_val_if_fail(out_array != NULL, false);
     g_return_val_if_fail(*out_array == NULL, false);
 
-    JS::RootedObject js_array(context, &value.toObject());
-    if (!JS_IsArrayObject(context, js_array)) {
+    if (!JS_IsArrayObject(context, value)) {
         g_critical("Returned object from is not an array");
         return false;
     }
@@ -417,6 +416,7 @@ get_array_from_js_value(JSContext             *context,
      * preallocate to. */
     GArray *c_side_array = g_array_new(true, true, array_element_size);
     u_int32_t js_array_len;
+    JS::RootedObject js_array(context, &value.toObject());
 
     if (element_clear_func)
         g_array_set_clear_func(c_side_array, element_clear_func);
@@ -1574,7 +1574,8 @@ bootstrap_coverage(GjsCoverage *coverage)
     JS::CompartmentOptions options;
     options.setVersion(JSVERSION_LATEST);
     JS::RootedObject debugger_compartment(JS_GetRuntime(context),
-                                          JS_NewGlobalObject(context, &coverage_global_class, NULL, 
options));
+        JS_NewGlobalObject(context, &coverage_global_class, NULL,
+                           JS::FireOnNewGlobalHook, options));
     {
         JSAutoCompartment compartment(context, debugger_compartment);
         JS::RootedObject debuggeeWrapper(context, debuggee);
diff --git a/gjs/importer.cpp b/gjs/importer.cpp
index d9bb919..71dd3f6 100644
--- a/gjs/importer.cpp
+++ b/gjs/importer.cpp
@@ -158,8 +158,7 @@ seal_import(JSContext       *cx,
      * This also looks for properties higher up the prototype chain, but in
      * practice this will always be an own property because we defined it in
      * define_import(). */
-    if (!JS_GetPropertyDescriptorById(cx, obj, prop_id, 0 /* flags */,
-                                      &descr) ||
+    if (!JS_GetPropertyDescriptorById(cx, obj, prop_id, &descr) ||
         descr.object() == NULL) {
         gjs_debug(GJS_DEBUG_IMPORTER,
                   "Failed to get attributes to seal '%s' in importer",
diff --git a/gjs/jsapi-util.cpp b/gjs/jsapi-util.cpp
index d3d105b..decac55 100644
--- a/gjs/jsapi-util.cpp
+++ b/gjs/jsapi-util.cpp
@@ -104,7 +104,7 @@ gjs_init_context_standard (JSContext              *context,
 
     compartment_options.setVersion(JSVERSION_LATEST);
     global.set(JS_NewGlobalObject(context, &global_class, NULL,
-                                  compartment_options));
+                                  JS::FireOnNewGlobalHook, compartment_options));
     if (global == NULL)
         return false;
 
@@ -876,7 +876,7 @@ gjs_eval_with_scope(JSContext             *context,
     JS::CompileOptions options(context);
     options.setUTF8(true)
            .setFileAndLine(filename, start_line_number)
-           .setSourcePolicy(JS::CompileOptions::LAZY_SOURCE);
+           .setSourceIsLazy(true);
 
     if (!JS::Evaluate(context, eval_obj, options, script, script_len, retval))
         return false;