/** * Define OS-specific constants. * * This function creates or uses JS object |OS.Constants| to store * all its constants. */ bool DefineOSFileConstants(JSContext *cx, JS::Handle<JSObject*> global) { MOZ_ASSERT(gInitialized); if (gPaths == nullptr) { // If an initialization error was ignored, we may end up with // |gInitialized == true| but |gPaths == nullptr|. We cannot // |MOZ_ASSERT| this, as this would kill precompile_cache.js, // so we simply return an error. JS_ReportErrorNumber(cx, js_GetErrorMessage, nullptr, JSMSG_CANT_OPEN, "OSFileConstants", "initialization has failed"); return false; } JS::Rooted<JSObject*> objOS(cx); if (!(objOS = GetOrCreateObjectProperty(cx, global, "OS"))) { return false; } JS::Rooted<JSObject*> objConstants(cx); if (!(objConstants = GetOrCreateObjectProperty(cx, objOS, "Constants"))) { return false; } // Build OS.Constants.libc JS::Rooted<JSObject*> objLibc(cx); if (!(objLibc = GetOrCreateObjectProperty(cx, objConstants, "libc"))) { return false; } if (!dom::DefineConstants(cx, objLibc, gLibcProperties)) { return false; } #if defined(XP_WIN) // Build OS.Constants.Win JS::Rooted<JSObject*> objWin(cx); if (!(objWin = GetOrCreateObjectProperty(cx, objConstants, "Win"))) { return false; } if (!dom::DefineConstants(cx, objWin, gWinProperties)) { return false; } #endif // defined(XP_WIN) // Build OS.Constants.Sys JS::Rooted<JSObject*> objSys(cx); if (!(objSys = GetOrCreateObjectProperty(cx, objConstants, "Sys"))) { return false; } nsCOMPtr<nsIXULRuntime> runtime = do_GetService(XULRUNTIME_SERVICE_CONTRACTID); if (runtime) { nsAutoCString os; DebugOnly<nsresult> rv = runtime->GetOS(os); MOZ_ASSERT(NS_SUCCEEDED(rv)); JSString* strVersion = JS_NewStringCopyZ(cx, os.get()); if (!strVersion) { return false; } JS::Rooted<JS::Value> valVersion(cx, STRING_TO_JSVAL(strVersion)); if (!JS_SetProperty(cx, objSys, "Name", valVersion)) { return false; } } #if defined(DEBUG) JS::Rooted<JS::Value> valDebug(cx, JSVAL_TRUE); if (!JS_SetProperty(cx, objSys, "DEBUG", valDebug)) { return false; } #endif // Build OS.Constants.Path JS::Rooted<JSObject*> objPath(cx); if (!(objPath = GetOrCreateObjectProperty(cx, objConstants, "Path"))) { return false; } // Locate libxul // Note that we don't actually provide the full path, only the name of the // library, which is sufficient to link to the library using js-ctypes. { #if defined(XP_MACOSX) // Under MacOS X, for some reason, libxul is called simply "XUL" nsAutoString xulPath(NS_LITERAL_STRING("XUL")); #else // On other platforms, libxul is a library "xul" with regular // library prefix/suffix nsAutoString xulPath; xulPath.Append(NS_LITERAL_STRING(DLL_PREFIX)); xulPath.Append(NS_LITERAL_STRING("xul")); xulPath.Append(NS_LITERAL_STRING(DLL_SUFFIX)); #endif // defined(XP_MACOSX) if (!SetStringProperty(cx, objPath, "libxul", xulPath)) { return false; } } if (!SetStringProperty(cx, objPath, "libDir", gPaths->libDir)) { return false; } if (!SetStringProperty(cx, objPath, "tmpDir", gPaths->tmpDir)) { return false; } // Configure profileDir only if it is available at this stage if (!gPaths->profileDir.IsVoid() && !SetStringProperty(cx, objPath, "profileDir", gPaths->profileDir)) { return false; } // Configure localProfileDir only if it is available at this stage if (!gPaths->localProfileDir.IsVoid() && !SetStringProperty(cx, objPath, "localProfileDir", gPaths->localProfileDir)) { return false; } if (!SetStringProperty(cx, objPath, "homeDir", gPaths->homeDir)) { return false; } if (!SetStringProperty(cx, objPath, "desktopDir", gPaths->desktopDir)) { return false; } if (!SetStringProperty(cx, objPath, "userApplicationDataDir", gPaths->userApplicationDataDir)) { return false; } #if defined(XP_WIN) if (!SetStringProperty(cx, objPath, "winAppDataDir", gPaths->winAppDataDir)) { return false; } if (!SetStringProperty(cx, objPath, "winStartMenuProgsDir", gPaths->winStartMenuProgsDir)) { return false; } #endif // defined(XP_WIN) #if defined(XP_MACOSX) if (!SetStringProperty(cx, objPath, "macUserLibDir", gPaths->macUserLibDir)) { return false; } if (!SetStringProperty(cx, objPath, "macLocalApplicationsDir", gPaths->macLocalApplicationsDir)) { return false; } #endif // defined(XP_MACOSX) return true; }
/** * Define OS-specific constants. * * This function creates or uses JS object |OS.Constants| to store * all its constants. */ bool DefineOSFileConstants(JSContext *cx, JS::Handle<JSObject*> global) { MOZ_ASSERT(gInitialized); if (gPaths == nullptr) { // If an initialization error was ignored, we may end up with // |gInitialized == true| but |gPaths == nullptr|. We cannot // |MOZ_ASSERT| this, as this would kill precompile_cache.js, // so we simply return an error. JS_ReportErrorNumber(cx, js_GetErrorMessage, nullptr, JSMSG_CANT_OPEN, "OSFileConstants", "initialization has failed"); return false; } JS::Rooted<JSObject*> objOS(cx); if (!(objOS = GetOrCreateObjectProperty(cx, global, "OS"))) { return false; } JS::Rooted<JSObject*> objConstants(cx); if (!(objConstants = GetOrCreateObjectProperty(cx, objOS, "Constants"))) { return false; } // Build OS.Constants.libc JS::Rooted<JSObject*> objLibc(cx); if (!(objLibc = GetOrCreateObjectProperty(cx, objConstants, "libc"))) { return false; } if (!dom::DefineConstants(cx, objLibc, gLibcProperties)) { return false; } #if defined(XP_WIN) // Build OS.Constants.Win JS::Rooted<JSObject*> objWin(cx); if (!(objWin = GetOrCreateObjectProperty(cx, objConstants, "Win"))) { return false; } if (!dom::DefineConstants(cx, objWin, gWinProperties)) { return false; } #endif // defined(XP_WIN) // Build OS.Constants.Sys JS::Rooted<JSObject*> objSys(cx); if (!(objSys = GetOrCreateObjectProperty(cx, objConstants, "Sys"))) { return false; } #if defined(MOZ_WIDGET_GONK) JSString* strVersion = JS_NewStringCopyZ(cx, "Gonk"); if (!strVersion){ return false; } JS::Rooted<JS::Value> valVersion(cx, STRING_TO_JSVAL(strVersion)); if (!JS_SetProperty(cx, objSys, "Name", valVersion)) { return false; } #else nsCOMPtr<nsIXULRuntime> runtime = do_GetService(XULRUNTIME_SERVICE_CONTRACTID); if (runtime) { nsAutoCString os; DebugOnly<nsresult> rv = runtime->GetOS(os); MOZ_ASSERT(NS_SUCCEEDED(rv)); JSString* strVersion = JS_NewStringCopyZ(cx, os.get()); if (!strVersion) { return false; } JS::Rooted<JS::Value> valVersion(cx, STRING_TO_JSVAL(strVersion)); if (!JS_SetProperty(cx, objSys, "Name", valVersion)) { return false; } } #endif // defined(MOZ_WIDGET_GONK) #if defined(DEBUG) JS::Rooted<JS::Value> valDebug(cx, JSVAL_TRUE); if (!JS_SetProperty(cx, objSys, "DEBUG", valDebug)) { return false; } #endif dom::ConstantSpec umask_cs[] = { { "umask", UINT_TO_JSVAL(gUserUmask) }, PROP_END }; if (!dom::DefineConstants(cx, objSys, umask_cs)) { return false; } // Build OS.Constants.Path JS::Rooted<JSObject*> objPath(cx); if (!(objPath = GetOrCreateObjectProperty(cx, objConstants, "Path"))) { return false; } // Locate libxul // Note that we don't actually provide the full path, only the name of the // library, which is sufficient to link to the library using js-ctypes. #if defined(XP_MACOSX) // Under MacOS X, for some reason, libxul is called simply "XUL", // and we need to provide the full path. nsAutoString libxul; libxul.Append(gPaths->libDir); libxul.AppendLiteral("/XUL"); #else // On other platforms, libxul is a library "xul" with regular // library prefix/suffix. nsAutoString libxul; libxul.AppendLiteral(DLL_PREFIX); libxul.AppendLiteral("xul"); libxul.AppendLiteral(DLL_SUFFIX); #endif // defined(XP_MACOSX) if (!SetStringProperty(cx, objPath, "libxul", libxul)) { return false; } if (!SetStringProperty(cx, objPath, "libDir", gPaths->libDir)) { return false; } if (!SetStringProperty(cx, objPath, "tmpDir", gPaths->tmpDir)) { return false; } // Configure profileDir only if it is available at this stage if (!gPaths->profileDir.IsVoid() && !SetStringProperty(cx, objPath, "profileDir", gPaths->profileDir)) { return false; } // Configure localProfileDir only if it is available at this stage if (!gPaths->localProfileDir.IsVoid() && !SetStringProperty(cx, objPath, "localProfileDir", gPaths->localProfileDir)) { return false; } if (!SetStringProperty(cx, objPath, "homeDir", gPaths->homeDir)) { return false; } if (!SetStringProperty(cx, objPath, "desktopDir", gPaths->desktopDir)) { return false; } if (!SetStringProperty(cx, objPath, "userApplicationDataDir", gPaths->userApplicationDataDir)) { return false; } #if defined(XP_WIN) if (!SetStringProperty(cx, objPath, "winAppDataDir", gPaths->winAppDataDir)) { return false; } if (!SetStringProperty(cx, objPath, "winStartMenuProgsDir", gPaths->winStartMenuProgsDir)) { return false; } #endif // defined(XP_WIN) #if defined(XP_MACOSX) if (!SetStringProperty(cx, objPath, "macUserLibDir", gPaths->macUserLibDir)) { return false; } if (!SetStringProperty(cx, objPath, "macLocalApplicationsDir", gPaths->macLocalApplicationsDir)) { return false; } if (!SetStringProperty(cx, objPath, "macTrashDir", gPaths->macTrashDir)) { return false; } #endif // defined(XP_MACOSX) // sqlite3 is linked from different places depending on the platform nsAutoString libsqlite3; #if defined(ANDROID) // On Android, we use the system's libsqlite3 libsqlite3.AppendLiteral(DLL_PREFIX); libsqlite3.AppendLiteral("sqlite3"); libsqlite3.AppendLiteral(DLL_SUFFIX); #elif defined(XP_WIN) // On Windows, for some reason, this is part of nss3.dll libsqlite3.AppendLiteral(DLL_PREFIX); libsqlite3.AppendLiteral("nss3"); libsqlite3.AppendLiteral(DLL_SUFFIX); #else // On other platforms, we link sqlite3 into libxul libsqlite3 = libxul; #endif // defined(ANDROID) || defined(XP_WIN) if (!SetStringProperty(cx, objPath, "libsqlite3", libsqlite3)) { return false; } return true; }
JSBool js_ReportUncaughtException(JSContext *cx) { jsval exn, *vp; JSObject *exnObject; void *mark; JSErrorReport *reportp, report; JSString *str; const char *bytes; JSBool ok; if (!JS_IsExceptionPending(cx)) return JS_TRUE; if (!JS_GetPendingException(cx, &exn)) return JS_FALSE; /* * Because js_ValueToString below could error and an exception object * could become unrooted, we must root exnObject. Later, if exnObject is * non-null, we need to root other intermediates, so allocate an operand * stack segment to protect all of these values. */ if (JSVAL_IS_PRIMITIVE(exn)) { exnObject = NULL; vp = NULL; #ifdef __GNUC__ /* suppress bogus gcc warnings */ mark = NULL; #endif } else { exnObject = JSVAL_TO_OBJECT(exn); vp = js_AllocStack(cx, 5, &mark); if (!vp) { ok = JS_FALSE; goto out; } vp[0] = exn; } #if JS_HAS_ERROR_EXCEPTIONS reportp = js_ErrorFromException(cx, exn); #else reportp = NULL; #endif /* XXX L10N angels cry once again (see also jsemit.c, /L10N gaffes/) */ str = js_ValueToString(cx, exn); if (!str) { bytes = "unknown (can't convert to string)"; } else { if (vp) vp[1] = STRING_TO_JSVAL(str); bytes = js_GetStringBytes(str); } ok = JS_TRUE; if (!reportp && exnObject && OBJ_GET_CLASS(cx, exnObject) == &ExceptionClass) { const char *filename; uint32 lineno; ok = JS_GetProperty(cx, exnObject, js_message_str, &vp[2]); if (!ok) goto out; if (JSVAL_IS_STRING(vp[2])) bytes = JS_GetStringBytes(JSVAL_TO_STRING(vp[2])); ok = JS_GetProperty(cx, exnObject, js_filename_str, &vp[3]); if (!ok) goto out; str = js_ValueToString(cx, vp[3]); if (!str) { ok = JS_FALSE; goto out; } filename = StringToFilename(cx, str); ok = JS_GetProperty(cx, exnObject, js_lineno_str, &vp[4]); if (!ok) goto out; ok = js_ValueToECMAUint32 (cx, vp[4], &lineno); if (!ok) goto out; reportp = &report; memset(&report, 0, sizeof report); report.filename = filename; report.lineno = (uintN) lineno; } if (!reportp) { JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL, JSMSG_UNCAUGHT_EXCEPTION, bytes); } else { /* Flag the error as an exception. */ reportp->flags |= JSREPORT_EXCEPTION; js_ReportErrorAgain(cx, bytes, reportp); } JS_ClearPendingException(cx); out: if (exnObject) js_FreeStack(cx, mark); return ok; }
JS_SetWatchPoint(JSContext *cx, JSObject *obj, jsval id, JSWatchPointHandler handler, void *closure) { JSAtom *atom; jsid propid; JSObject *pobj; JSScopeProperty *sprop; JSRuntime *rt; JSWatchPoint *wp; JSPropertyOp watcher; if (!OBJ_IS_NATIVE(obj)) { JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL, JSMSG_CANT_WATCH, OBJ_GET_CLASS(cx, obj)->name); return JS_FALSE; } if (JSVAL_IS_INT(id)) { propid = (jsid)id; atom = NULL; } else { atom = js_ValueToStringAtom(cx, id); if (!atom) return JS_FALSE; propid = (jsid)atom; } if (!js_LookupProperty(cx, obj, propid, &pobj, (JSProperty **)&sprop)) return JS_FALSE; rt = cx->runtime; if (!sprop) { /* Check for a deleted symbol watchpoint, which holds its property. */ sprop = js_FindWatchPoint(rt, OBJ_SCOPE(obj), propid); if (!sprop) { /* Make a new property in obj so we can watch for the first set. */ if (!js_DefineProperty(cx, obj, propid, JSVAL_VOID, NULL, NULL, JSPROP_ENUMERATE, (JSProperty **)&sprop)) { sprop = NULL; } } } else if (pobj != obj) { /* Clone the prototype property so we can watch the right object. */ jsval value; JSPropertyOp getter, setter; uintN attrs; if (OBJ_IS_NATIVE(pobj)) { value = SPROP_HAS_VALID_SLOT(sprop, OBJ_SCOPE(pobj)) ? LOCKED_OBJ_GET_SLOT(pobj, sprop->slot) : JSVAL_VOID; getter = sprop->getter; setter = sprop->setter; attrs = sprop->attrs; } else { if (!OBJ_GET_PROPERTY(cx, pobj, id, &value)) { OBJ_DROP_PROPERTY(cx, pobj, (JSProperty *)sprop); return JS_FALSE; } getter = setter = JS_PropertyStub; attrs = JSPROP_ENUMERATE; } OBJ_DROP_PROPERTY(cx, pobj, (JSProperty *)sprop); if (!js_DefineProperty(cx, obj, propid, value, getter, setter, attrs, (JSProperty **)&sprop)) { sprop = NULL; } } if (!sprop) return JS_FALSE; wp = FindWatchPoint(rt, OBJ_SCOPE(obj), propid); if (!wp) { watcher = js_WrapWatchedSetter(cx, propid, sprop->attrs, sprop->setter); if (!watcher) return JS_FALSE; wp = (JSWatchPoint *) JS_malloc(cx, sizeof *wp); if (!wp) return JS_FALSE; wp->handler = NULL; wp->closure = NULL; if (!js_AddRoot(cx, &wp->closure, "wp->closure")) { JS_free(cx, wp); return JS_FALSE; } JS_APPEND_LINK(&wp->links, &rt->watchPointList); wp->object = obj; wp->sprop = sprop; JS_ASSERT(sprop->setter != js_watch_set); wp->setter = sprop->setter; wp->nrefs = 1; sprop = js_ChangeNativePropertyAttrs(cx, obj, sprop, 0, sprop->attrs, sprop->getter, watcher); if (!sprop) return DropWatchPoint(cx, wp); } wp->handler = handler; wp->closure = closure; OBJ_DROP_PROPERTY(cx, obj, (JSProperty *)sprop); return JS_TRUE; }
/** * Define OS-specific constants. * * This function creates or uses JS object |OS.Constants| to store * all its constants. */ bool DefineOSFileConstants(JSContext *cx, JSObject *global) { MOZ_ASSERT(gInitialized); if (gPaths == NULL) { // If an initialization error was ignored, we may end up with // |gInitialized == true| but |gPaths == NULL|. We cannot // |MOZ_ASSERT| this, as this would kill precompile_cache.js, // so we simply return an error. JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL, JSMSG_CANT_OPEN, "OSFileConstants", "initialization has failed"); return false; } JSObject *objOS; if (!(objOS = GetOrCreateObjectProperty(cx, global, "OS"))) { return false; } JSObject *objConstants; if (!(objConstants = GetOrCreateObjectProperty(cx, objOS, "Constants"))) { return false; } // Build OS.Constants.libc JSObject *objLibc; if (!(objLibc = GetOrCreateObjectProperty(cx, objConstants, "libc"))) { return false; } if (!dom::DefineConstants(cx, objLibc, gLibcProperties)) { return false; } #if defined(XP_WIN) // Build OS.Constants.Win JSObject *objWin; if (!(objWin = GetOrCreateObjectProperty(cx, objConstants, "Win"))) { return false; } if (!dom::DefineConstants(cx, objWin, gWinProperties)) { return false; } #endif // defined(XP_WIN) // Build OS.Constants.Sys JSObject *objSys; if (!(objSys = GetOrCreateObjectProperty(cx, objConstants, "Sys"))) { return false; } nsCOMPtr<nsIXULRuntime> runtime = do_GetService(XULRUNTIME_SERVICE_CONTRACTID); if (runtime) { nsAutoCString os; DebugOnly<nsresult> rv = runtime->GetOS(os); MOZ_ASSERT(NS_SUCCEEDED(rv)); JSString* strVersion = JS_NewStringCopyZ(cx, os.get()); if (!strVersion) { return false; } JS::Value valVersion = STRING_TO_JSVAL(strVersion); if (!JS_SetProperty(cx, objSys, "Name", &valVersion)) { return false; } } // Build OS.Constants.Path JSObject *objPath; if (!(objPath = GetOrCreateObjectProperty(cx, objConstants, "Path"))) { return false; } // Locate libxul { nsAutoString xulPath(gPaths->libDir); xulPath.Append(PR_GetDirectorySeparator()); #if defined(XP_MACOSX) // Under MacOS X, for some reason, libxul is called simply "XUL" xulPath.Append(NS_LITERAL_STRING("XUL")); #else // On other platforms, libxul is a library "xul" with regular // library prefix/suffix xulPath.Append(NS_LITERAL_STRING(DLL_PREFIX)); xulPath.Append(NS_LITERAL_STRING("xul")); xulPath.Append(NS_LITERAL_STRING(DLL_SUFFIX)); #endif // defined(XP_MACOSX) if (!SetStringProperty(cx, objPath, "libxul", xulPath)) { return false; } } if (!SetStringProperty(cx, objPath, "libDir", gPaths->libDir)) { return false; } if (!SetStringProperty(cx, objPath, "tmpDir", gPaths->tmpDir)) { return false; } // Configure profileDir only if it is available at this stage if (!gPaths->profileDir.IsVoid() && !SetStringProperty(cx, objPath, "profileDir", gPaths->profileDir)) { return false; } // Configure localProfileDir only if it is available at this stage if (!gPaths->localProfileDir.IsVoid() && !SetStringProperty(cx, objPath, "localProfileDir", gPaths->localProfileDir)) { return false; } return true; }
void Interpret() { JS_ReportErrorNumber(js_GetErrorMessage, 0); // CHECK: call {{.*}}void ({{.*}}, ...) @JS_ReportErrorNumber({{.*}}@js_GetErrorMessage }
/* * Convert a JS value to a Java value of the given type signature. The cost * variable is incremented if coercion is required, e.g. the source value is * a string, but the target type is a boolean. * * Returns JS_FALSE if no conversion is possible, either because the jsval has * a type that is wholly incompatible with the Java value, or because a scalar * jsval can't be represented in a variable of the target type without loss of * precision, e.g. the source value is "4.2" but the destination type is byte. * If conversion is not possible and java_value is non-NULL, the JS error * reporter is called with an appropriate message. */ JSBool jsj_ConvertJSValueToJavaValue(JSContext *cx, JNIEnv *jEnv, jsval v_arg, JavaSignature *signature, int *cost, jvalue *java_value, JSBool *is_local_refp) { JavaSignatureChar type; jsval v; JSBool success = JS_FALSE; /* Initialize to default case, in which no new Java object is synthesized to perform the conversion and, therefore, no JNI local references are being held. */ *is_local_refp = JS_FALSE; type = signature->type; v = v_arg; switch (type) { case JAVA_SIGNATURE_BOOLEAN: if (!JSVAL_IS_BOOLEAN(v)) { if (!JS_ConvertValue(cx, v, JSTYPE_BOOLEAN, &v)) goto conversion_error; if (JSVAL_IS_VOID(v)) goto conversion_error; (*cost)++; } if (java_value) java_value->z = (jboolean)(JSVAL_TO_BOOLEAN(v) == JS_TRUE); break; case JAVA_SIGNATURE_SHORT: JSVAL_TO_INTEGRAL_JVALUE(short, s, jshort, v, java_value); break; case JAVA_SIGNATURE_BYTE: JSVAL_TO_INTEGRAL_JVALUE(byte, b, jbyte, v, java_value); break; case JAVA_SIGNATURE_CHAR: /* A one-character string can be converted into a character */ if (JSVAL_IS_STRING(v) && (JS_GetStringLength(JSVAL_TO_STRING(v)) == 1)) { v = INT_TO_JSVAL(*JS_GetStringChars(JSVAL_TO_STRING(v))); } JSVAL_TO_INTEGRAL_JVALUE(char, c, jchar, v, java_value); break; case JAVA_SIGNATURE_INT: JSVAL_TO_INTEGRAL_JVALUE(int, i, jint, v, java_value); break; case JAVA_SIGNATURE_LONG: #if defined(XP_MAC) || (defined(XP_OS2) && !defined(HAVE_LONG_LONG)) JSVAL_TO_JLONG_JVALUE(j, jlong, v, java_value); #else JSVAL_TO_INTEGRAL_JVALUE(long, j, jlong, v, java_value); #endif break; case JAVA_SIGNATURE_FLOAT: if (!JSVAL_IS_NUMBER(v)) { if (!JS_ConvertValue(cx, v, JSTYPE_NUMBER, &v)) goto conversion_error; (*cost)++; } if (java_value) { if (JSVAL_IS_INT(v)) java_value->f = (jfloat) JSVAL_TO_INT(v); else java_value->f = (jfloat) *JSVAL_TO_DOUBLE(v); } break; case JAVA_SIGNATURE_DOUBLE: if (!JSVAL_IS_NUMBER(v)) { if (!JS_ConvertValue(cx, v, JSTYPE_NUMBER, &v)) goto conversion_error; (*cost)++; } if (java_value) { if (JSVAL_IS_INT(v)) java_value->d = (jdouble) JSVAL_TO_INT(v); else java_value->d = (jdouble) *JSVAL_TO_DOUBLE(v); } break; /* Non-primitive (reference) type */ default: JS_ASSERT(IS_REFERENCE_TYPE(type)); if (!jsj_ConvertJSValueToJavaObject(cx, jEnv, v, signature, cost, &java_value->l, is_local_refp)) goto conversion_error; break; case JAVA_SIGNATURE_UNKNOWN: case JAVA_SIGNATURE_VOID: JS_ASSERT(0); return JS_FALSE; } /* Success */ return JS_TRUE; numeric_conversion_error: success = JS_TRUE; /* Fall through ... */ conversion_error: if (java_value) { const char *jsval_string; const char *class_name; JSString *jsstr; jsval_string = NULL; jsstr = JS_ValueToString(cx, v_arg); if (jsstr) jsval_string = JS_GetStringBytes(jsstr); if (!jsval_string) jsval_string = ""; class_name = jsj_ConvertJavaSignatureToHRString(cx, signature); JS_ReportErrorNumber(cx, jsj_GetErrorMessage, NULL, JSJMSG_CANT_CONVERT_JS, jsval_string, class_name); return JS_FALSE; } return success; }
JSBool js_ReportUncaughtException(JSContext *cx) { jsval exn; JSObject *exnObject; jsval roots[5]; JSTempValueRooter tvr; JSErrorReport *reportp, report; JSString *str; const char *bytes; JSBool ok; if (!JS_IsExceptionPending(cx)) return JS_TRUE; if (!JS_GetPendingException(cx, &exn)) return JS_FALSE; memset(roots, 0, sizeof roots); JS_PUSH_TEMP_ROOT(cx, JS_ARRAY_LENGTH(roots), roots, &tvr); /* * Because js_ValueToString below could error and an exception object * could become unrooted, we must root exnObject. Later, if exnObject is * non-null, we need to root other intermediates, so allocate an operand * stack segment to protect all of these values. */ if (JSVAL_IS_PRIMITIVE(exn)) { exnObject = NULL; } else { exnObject = JSVAL_TO_OBJECT(exn); roots[0] = exn; } JS_ClearPendingException(cx); reportp = js_ErrorFromException(cx, exn); /* XXX L10N angels cry once again (see also jsemit.c, /L10N gaffes/) */ str = js_ValueToString(cx, exn); if (!str) { bytes = "unknown (can't convert to string)"; } else { roots[1] = STRING_TO_JSVAL(str); bytes = js_GetStringBytes(cx, str); if (!bytes) { ok = JS_FALSE; goto out; } } ok = JS_TRUE; if (!reportp && exnObject && OBJ_GET_CLASS(cx, exnObject) == &js_ErrorClass) { const char *filename; uint32 lineno; ok = JS_GetProperty(cx, exnObject, js_message_str, &roots[2]); if (!ok) goto out; if (JSVAL_IS_STRING(roots[2])) { bytes = js_GetStringBytes(cx, JSVAL_TO_STRING(roots[2])); if (!bytes) { ok = JS_FALSE; goto out; } } ok = JS_GetProperty(cx, exnObject, js_fileName_str, &roots[3]); if (!ok) goto out; str = js_ValueToString(cx, roots[3]); if (!str) { ok = JS_FALSE; goto out; } filename = StringToFilename(cx, str); if (!filename) { ok = JS_FALSE; goto out; } ok = JS_GetProperty(cx, exnObject, js_lineNumber_str, &roots[4]); if (!ok) goto out; lineno = js_ValueToECMAUint32 (cx, &roots[4]); ok = !JSVAL_IS_NULL(roots[4]); if (!ok) goto out; reportp = &report; memset(&report, 0, sizeof report); report.filename = filename; report.lineno = (uintN) lineno; } if (!reportp) { JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL, JSMSG_UNCAUGHT_EXCEPTION, bytes); } else { /* Flag the error as an exception. */ reportp->flags |= JSREPORT_EXCEPTION; /* Pass the exception object. */ JS_SetPendingException(cx, exn); js_ReportErrorAgain(cx, bytes, reportp); JS_ClearPendingException(cx); } out: JS_POP_TEMP_ROOT(cx, &tvr); return ok; }