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[spidermonkey] check for deleted interpreters in document event handler

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This commit is contained in:
Witold Filipczyk 2024-10-10 16:24:07 +02:00
parent bb2124bef6
commit 5b6b488e4a
3 changed files with 15 additions and 0 deletions
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5
src/js/spidermonkey.cpp
View File

@ -84,6 +84,8 @@
static int js_module_init_ok;
std::map<void *, bool> interps;
static void
error_reporter(JSContext *ctx, JSErrorReport *report)
{
@ -267,6 +269,7 @@ spidermonkey_get_interpreter(struct ecmascript_interpreter *interpreter)
if (!ctx) {
return nullptr;
}
interps[(void *)interpreter] = true;
interpreter->backend_data = ctx;
struct view_state *vs = interpreter->vs;
@ -528,6 +531,8 @@ spidermonkey_put_interpreter(struct ecmascript_interpreter *interpreter)
interpreter->ac = nullptr;
interpreter->ar = nullptr;
done_heartbeat(interpreter->heartbeat);
interps.erase((void *)interpreter);
}
void

4
src/js/spidermonkey.h
View File

@ -2,6 +2,7 @@
#define EL__JS_SPIDERMONKEY_H
#include <jsapi.h>
#include <map>
struct ecmascript_interpreter;
struct form_view;
@ -22,4 +23,7 @@ int spidermonkey_eval_boolback(struct ecmascript_interpreter *interpreter, struc
void spidermonkey_call_function(struct ecmascript_interpreter *interpreter, JS::HandleValue fun, struct string *ret);
extern struct module spidermonkey_module;
extern std::map<void *, bool> interps;
#endif

6
src/js/spidermonkey/document.cpp
View File

@ -31,6 +31,7 @@
#include "js/ecmascript.h"
#include "js/ecmascript-c.h"
#include "js/libdom/parse.h"
#include "js/spidermonkey.h"
#include "js/spidermonkey/collection.h"
#include "js/spidermonkey/form.h"
#include "js/spidermonkey/forms.h"
@ -1742,6 +1743,11 @@ document_event_handler(dom_event *event, void *pw)
#endif
struct document_private *doc_private = (struct document_private *)pw;
struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)doc_private->interpreter;
if (interps.find((void *)interpreter) == interps.end()) {
return;
}
JSContext *ctx = (JSContext *)interpreter->backend_data;
JSAutoRealm ar(ctx, (JSObject *)interpreter->ac->get());
JS::RootedValue r_val(ctx);