summaryrefslogtreecommitdiffstats
path: root/src/extension/script/js/jsapi.c
diff options
context:
space:
mode:
authorMenTaLguY <mental@rydia.net>2006-01-16 02:36:01 +0000
committermental <mental@users.sourceforge.net>2006-01-16 02:36:01 +0000
commit179fa413b047bede6e32109e2ce82437c5fb8d34 (patch)
treea5a6ac2c1708bd02288fbd8edb2ff500ff2e0916 /src/extension/script/js/jsapi.c
downloadinkscape-179fa413b047bede6e32109e2ce82437c5fb8d34.tar.gz
inkscape-179fa413b047bede6e32109e2ce82437c5fb8d34.zip
moving trunk for module inkscape
(bzr r1)
Diffstat (limited to 'src/extension/script/js/jsapi.c')
-rw-r--r--src/extension/script/js/jsapi.c4187
1 files changed, 4187 insertions, 0 deletions
diff --git a/src/extension/script/js/jsapi.c b/src/extension/script/js/jsapi.c
new file mode 100644
index 000000000..faf02d983
--- /dev/null
+++ b/src/extension/script/js/jsapi.c
@@ -0,0 +1,4187 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla Communicator client code, released
+ * March 31, 1998.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+/*
+ * JavaScript API.
+ */
+#include "jsstddef.h"
+#include <ctype.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#include "jstypes.h"
+#include "jsarena.h" /* Added by JSIFY */
+#include "jsutil.h" /* Added by JSIFY */
+#include "jsclist.h"
+#include "jsdhash.h"
+#include "jsprf.h"
+#include "jsapi.h"
+#include "jsarray.h"
+#include "jsatom.h"
+#include "jsbool.h"
+#include "jscntxt.h"
+#include "jsconfig.h"
+#include "jsdate.h"
+#include "jsdtoa.h"
+#include "jsemit.h"
+#include "jsexn.h"
+#include "jsfun.h"
+#include "jsgc.h"
+#include "jsinterp.h"
+#include "jslock.h"
+#include "jsmath.h"
+#include "jsnum.h"
+#include "jsobj.h"
+#include "jsopcode.h"
+#include "jsparse.h"
+#include "jsregexp.h"
+#include "jsscan.h"
+#include "jsscope.h"
+#include "jsscript.h"
+#include "jsstr.h"
+#include "prmjtime.h"
+
+#if JS_HAS_FILE_OBJECT
+#include "jsfile.h"
+#endif
+
+#ifdef HAVE_VA_LIST_AS_ARRAY
+#define JS_ADDRESSOF_VA_LIST(ap) (ap)
+#else
+#define JS_ADDRESSOF_VA_LIST(ap) (&(ap))
+#endif
+
+#if defined(JS_PARANOID_REQUEST) && defined(JS_THREADSAFE)
+#define CHECK_REQUEST(cx) JS_ASSERT(cx->requestDepth)
+#else
+#define CHECK_REQUEST(cx) ((void)0)
+#endif
+
+JS_PUBLIC_API(int64)
+JS_Now()
+{
+ return PRMJ_Now();
+}
+
+JS_PUBLIC_API(jsval)
+JS_GetNaNValue(JSContext *cx)
+{
+ return DOUBLE_TO_JSVAL(cx->runtime->jsNaN);
+}
+
+JS_PUBLIC_API(jsval)
+JS_GetNegativeInfinityValue(JSContext *cx)
+{
+ return DOUBLE_TO_JSVAL(cx->runtime->jsNegativeInfinity);
+}
+
+JS_PUBLIC_API(jsval)
+JS_GetPositiveInfinityValue(JSContext *cx)
+{
+ return DOUBLE_TO_JSVAL(cx->runtime->jsPositiveInfinity);
+}
+
+JS_PUBLIC_API(jsval)
+JS_GetEmptyStringValue(JSContext *cx)
+{
+ return STRING_TO_JSVAL(cx->runtime->emptyString);
+}
+
+static JSBool
+TryArgumentFormatter(JSContext *cx, const char **formatp, JSBool fromJS,
+ jsval **vpp, va_list *app)
+{
+ const char *format;
+ JSArgumentFormatMap *map;
+
+ format = *formatp;
+ for (map = cx->argumentFormatMap; map; map = map->next) {
+ if (!strncmp(format, map->format, map->length)) {
+ *formatp = format + map->length;
+ return map->formatter(cx, format, fromJS, vpp, app);
+ }
+ }
+ JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL, JSMSG_BAD_CHAR, format);
+ return JS_FALSE;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_ConvertArguments(JSContext *cx, uintN argc, jsval *argv, const char *format,
+ ...)
+{
+ va_list ap;
+ JSBool ok;
+
+ va_start(ap, format);
+ ok = JS_ConvertArgumentsVA(cx, argc, argv, format, ap);
+ va_end(ap);
+ return ok;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_ConvertArgumentsVA(JSContext *cx, uintN argc, jsval *argv,
+ const char *format, va_list ap)
+{
+ jsval *sp;
+ JSBool required;
+ char c;
+ JSFunction *fun;
+ jsdouble d;
+ JSString *str;
+ JSObject *obj;
+
+ CHECK_REQUEST(cx);
+ sp = argv;
+ required = JS_TRUE;
+ while ((c = *format++) != '\0') {
+ if (isspace(c))
+ continue;
+ if (c == '/') {
+ required = JS_FALSE;
+ continue;
+ }
+ if (sp == argv + argc) {
+ if (required) {
+ fun = js_ValueToFunction(cx, &argv[-2], 0);
+ if (fun) {
+ char numBuf[12];
+ JS_snprintf(numBuf, sizeof numBuf, "%u", argc);
+ JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL,
+ JSMSG_MORE_ARGS_NEEDED,
+ JS_GetFunctionName(fun), numBuf,
+ (argc == 1) ? "" : "s");
+ }
+ return JS_FALSE;
+ }
+ break;
+ }
+ switch (c) {
+ case 'b':
+ if (!js_ValueToBoolean(cx, *sp, va_arg(ap, JSBool *)))
+ return JS_FALSE;
+ break;
+ case 'c':
+ if (!js_ValueToUint16(cx, *sp, va_arg(ap, uint16 *)))
+ return JS_FALSE;
+ break;
+ case 'i':
+ if (!js_ValueToECMAInt32(cx, *sp, va_arg(ap, int32 *)))
+ return JS_FALSE;
+ break;
+ case 'u':
+ if (!js_ValueToECMAUint32(cx, *sp, va_arg(ap, uint32 *)))
+ return JS_FALSE;
+ break;
+ case 'j':
+ if (!js_ValueToInt32(cx, *sp, va_arg(ap, int32 *)))
+ return JS_FALSE;
+ break;
+ case 'd':
+ if (!js_ValueToNumber(cx, *sp, va_arg(ap, jsdouble *)))
+ return JS_FALSE;
+ break;
+ case 'I':
+ if (!js_ValueToNumber(cx, *sp, &d))
+ return JS_FALSE;
+ *va_arg(ap, jsdouble *) = js_DoubleToInteger(d);
+ break;
+ case 's':
+ case 'S':
+ case 'W':
+ str = js_ValueToString(cx, *sp);
+ if (!str)
+ return JS_FALSE;
+ *sp = STRING_TO_JSVAL(str);
+ if (c == 's')
+ *va_arg(ap, char **) = JS_GetStringBytes(str);
+ else if (c == 'W')
+ *va_arg(ap, jschar **) = JS_GetStringChars(str);
+ else
+ *va_arg(ap, JSString **) = str;
+ break;
+ case 'o':
+ if (!js_ValueToObject(cx, *sp, &obj))
+ return JS_FALSE;
+ *sp = OBJECT_TO_JSVAL(obj);
+ *va_arg(ap, JSObject **) = obj;
+ break;
+ case 'f':
+ fun = js_ValueToFunction(cx, sp, 0);
+ if (!fun)
+ return JS_FALSE;
+ *sp = OBJECT_TO_JSVAL(fun->object);
+ *va_arg(ap, JSFunction **) = fun;
+ break;
+ case 'v':
+ *va_arg(ap, jsval *) = *sp;
+ break;
+ case '*':
+ break;
+ default:
+ format--;
+ if (!TryArgumentFormatter(cx, &format, JS_TRUE, &sp,
+ JS_ADDRESSOF_VA_LIST(ap))) {
+ return JS_FALSE;
+ }
+ /* NB: the formatter already updated sp, so we continue here. */
+ continue;
+ }
+ sp++;
+ }
+ return JS_TRUE;
+}
+
+JS_PUBLIC_API(jsval *)
+JS_PushArguments(JSContext *cx, void **markp, const char *format, ...)
+{
+ va_list ap;
+ jsval *argv;
+
+ va_start(ap, format);
+ argv = JS_PushArgumentsVA(cx, markp, format, ap);
+ va_end(ap);
+ return argv;
+}
+
+JS_PUBLIC_API(jsval *)
+JS_PushArgumentsVA(JSContext *cx, void **markp, const char *format, va_list ap)
+{
+ uintN argc;
+ jsval *argv, *sp;
+ char c;
+ const char *cp;
+ JSString *str;
+ JSFunction *fun;
+ JSStackHeader *sh;
+
+ CHECK_REQUEST(cx);
+ *markp = NULL;
+ argc = 0;
+ for (cp = format; (c = *cp) != '\0'; cp++) {
+ /*
+ * Count non-space non-star characters as individual jsval arguments.
+ * This may over-allocate stack, but we'll fix below.
+ */
+ if (isspace(c) || c == '*')
+ continue;
+ argc++;
+ }
+ sp = js_AllocStack(cx, argc, markp);
+ if (!sp)
+ return NULL;
+ argv = sp;
+ while ((c = *format++) != '\0') {
+ if (isspace(c) || c == '*')
+ continue;
+ switch (c) {
+ case 'b':
+ *sp = BOOLEAN_TO_JSVAL((JSBool) va_arg(ap, int));
+ break;
+ case 'c':
+ *sp = INT_TO_JSVAL((uint16) va_arg(ap, unsigned int));
+ break;
+ case 'i':
+ case 'j':
+ if (!js_NewNumberValue(cx, (jsdouble) va_arg(ap, int32), sp))
+ goto bad;
+ break;
+ case 'u':
+ if (!js_NewNumberValue(cx, (jsdouble) va_arg(ap, uint32), sp))
+ goto bad;
+ break;
+ case 'd':
+ case 'I':
+ if (!js_NewDoubleValue(cx, va_arg(ap, jsdouble), sp))
+ goto bad;
+ break;
+ case 's':
+ str = JS_NewStringCopyZ(cx, va_arg(ap, char *));
+ if (!str)
+ goto bad;
+ *sp = STRING_TO_JSVAL(str);
+ break;
+ case 'W':
+ str = JS_NewUCStringCopyZ(cx, va_arg(ap, jschar *));
+ if (!str)
+ goto bad;
+ *sp = STRING_TO_JSVAL(str);
+ break;
+ case 'S':
+ str = va_arg(ap, JSString *);
+ *sp = STRING_TO_JSVAL(str);
+ break;
+ case 'o':
+ *sp = OBJECT_TO_JSVAL(va_arg(ap, JSObject *));
+ break;
+ case 'f':
+ fun = va_arg(ap, JSFunction *);
+ *sp = fun ? OBJECT_TO_JSVAL(fun->object) : JSVAL_NULL;
+ break;
+ case 'v':
+ *sp = va_arg(ap, jsval);
+ break;
+ default:
+ format--;
+ if (!TryArgumentFormatter(cx, &format, JS_FALSE, &sp,
+ JS_ADDRESSOF_VA_LIST(ap))) {
+ goto bad;
+ }
+ /* NB: the formatter already updated sp, so we continue here. */
+ continue;
+ }
+ sp++;
+ }
+
+ /*
+ * We may have overallocated stack due to a multi-character format code
+ * handled by a JSArgumentFormatter. Give back that stack space!
+ */
+ JS_ASSERT(sp <= argv + argc);
+ if (sp < argv + argc) {
+ /* Return slots not pushed to the current stack arena. */
+ cx->stackPool.current->avail = (jsuword)sp;
+
+ /* Reduce the count of slots the GC will scan in this stack segment. */
+ sh = cx->stackHeaders;
+ JS_ASSERT(JS_STACK_SEGMENT(sh) + sh->nslots == argv + argc);
+ sh->nslots -= argc - (sp - argv);
+ }
+ return argv;
+
+bad:
+ js_FreeStack(cx, *markp);
+ return NULL;
+}
+
+JS_PUBLIC_API(void)
+JS_PopArguments(JSContext *cx, void *mark)
+{
+ CHECK_REQUEST(cx);
+ js_FreeStack(cx, mark);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_AddArgumentFormatter(JSContext *cx, const char *format,
+ JSArgumentFormatter formatter)
+{
+ size_t length;
+ JSArgumentFormatMap **mpp, *map;
+
+ length = strlen(format);
+ mpp = &cx->argumentFormatMap;
+ while ((map = *mpp) != NULL) {
+ /* Insert before any shorter string to match before prefixes. */
+ if (map->length < length)
+ break;
+ if (map->length == length && !strcmp(map->format, format))
+ goto out;
+ mpp = &map->next;
+ }
+ map = (JSArgumentFormatMap *) JS_malloc(cx, sizeof *map);
+ if (!map)
+ return JS_FALSE;
+ map->format = format;
+ map->length = length;
+ map->next = *mpp;
+ *mpp = map;
+out:
+ map->formatter = formatter;
+ return JS_TRUE;
+}
+
+JS_PUBLIC_API(void)
+JS_RemoveArgumentFormatter(JSContext *cx, const char *format)
+{
+ size_t length;
+ JSArgumentFormatMap **mpp, *map;
+
+ length = strlen(format);
+ mpp = &cx->argumentFormatMap;
+ while ((map = *mpp) != NULL) {
+ if (map->length == length && !strcmp(map->format, format)) {
+ *mpp = map->next;
+ JS_free(cx, map);
+ return;
+ }
+ mpp = &map->next;
+ }
+}
+
+JS_PUBLIC_API(JSBool)
+JS_ConvertValue(JSContext *cx, jsval v, JSType type, jsval *vp)
+{
+ JSBool ok, b;
+ JSObject *obj;
+ JSFunction *fun;
+ JSString *str;
+ jsdouble d, *dp;
+
+ CHECK_REQUEST(cx);
+ switch (type) {
+ case JSTYPE_VOID:
+ *vp = JSVAL_VOID;
+ ok = JS_TRUE;
+ break;
+ case JSTYPE_OBJECT:
+ ok = js_ValueToObject(cx, v, &obj);
+ if (ok)
+ *vp = OBJECT_TO_JSVAL(obj);
+ break;
+ case JSTYPE_FUNCTION:
+ fun = js_ValueToFunction(cx, &v, JSV2F_SEARCH_STACK);
+ ok = (fun != NULL);
+ if (ok)
+ *vp = OBJECT_TO_JSVAL(fun->object);
+ break;
+ case JSTYPE_STRING:
+ str = js_ValueToString(cx, v);
+ ok = (str != NULL);
+ if (ok)
+ *vp = STRING_TO_JSVAL(str);
+ break;
+ case JSTYPE_NUMBER:
+ ok = js_ValueToNumber(cx, v, &d);
+ if (ok) {
+ dp = js_NewDouble(cx, d);
+ ok = (dp != NULL);
+ if (ok)
+ *vp = DOUBLE_TO_JSVAL(dp);
+ }
+ break;
+ case JSTYPE_BOOLEAN:
+ ok = js_ValueToBoolean(cx, v, &b);
+ if (ok)
+ *vp = BOOLEAN_TO_JSVAL(b);
+ break;
+ default: {
+ char numBuf[12];
+ JS_snprintf(numBuf, sizeof numBuf, "%d", (int)type);
+ JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL, JSMSG_BAD_TYPE,
+ numBuf);
+ ok = JS_FALSE;
+ break;
+ }
+ }
+ return ok;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_ValueToObject(JSContext *cx, jsval v, JSObject **objp)
+{
+ CHECK_REQUEST(cx);
+ return js_ValueToObject(cx, v, objp);
+}
+
+JS_PUBLIC_API(JSFunction *)
+JS_ValueToFunction(JSContext *cx, jsval v)
+{
+ CHECK_REQUEST(cx);
+ return js_ValueToFunction(cx, &v, JSV2F_SEARCH_STACK);
+}
+
+JS_PUBLIC_API(JSFunction *)
+JS_ValueToConstructor(JSContext *cx, jsval v)
+{
+ CHECK_REQUEST(cx);
+ return js_ValueToFunction(cx, &v, JSV2F_SEARCH_STACK);
+}
+
+JS_PUBLIC_API(JSString *)
+JS_ValueToString(JSContext *cx, jsval v)
+{
+ CHECK_REQUEST(cx);
+ return js_ValueToString(cx, v);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_ValueToNumber(JSContext *cx, jsval v, jsdouble *dp)
+{
+ CHECK_REQUEST(cx);
+ return js_ValueToNumber(cx, v, dp);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_ValueToECMAInt32(JSContext *cx, jsval v, int32 *ip)
+{
+ CHECK_REQUEST(cx);
+ return js_ValueToECMAInt32(cx, v, ip);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_ValueToECMAUint32(JSContext *cx, jsval v, uint32 *ip)
+{
+ CHECK_REQUEST(cx);
+ return js_ValueToECMAUint32(cx, v, ip);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_ValueToInt32(JSContext *cx, jsval v, int32 *ip)
+{
+ CHECK_REQUEST(cx);
+ return js_ValueToInt32(cx, v, ip);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_ValueToUint16(JSContext *cx, jsval v, uint16 *ip)
+{
+ CHECK_REQUEST(cx);
+ return js_ValueToUint16(cx, v, ip);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_ValueToBoolean(JSContext *cx, jsval v, JSBool *bp)
+{
+ CHECK_REQUEST(cx);
+ return js_ValueToBoolean(cx, v, bp);
+}
+
+JS_PUBLIC_API(JSType)
+JS_TypeOfValue(JSContext *cx, jsval v)
+{
+ JSType type;
+ JSObject *obj;
+ JSObjectOps *ops;
+ JSClass *clasp;
+
+ CHECK_REQUEST(cx);
+ if (JSVAL_IS_OBJECT(v)) {
+ /* XXX JSVAL_IS_OBJECT(v) is true for null too! Can we change ECMA? */
+ obj = JSVAL_TO_OBJECT(v);
+ if (obj &&
+ (ops = obj->map->ops,
+ ops == &js_ObjectOps
+ ? (clasp = OBJ_GET_CLASS(cx, obj),
+ clasp->call || clasp == &js_FunctionClass)
+ : ops->call != 0)) {
+ type = JSTYPE_FUNCTION;
+ } else {
+ type = JSTYPE_OBJECT;
+ }
+ } else if (JSVAL_IS_NUMBER(v)) {
+ type = JSTYPE_NUMBER;
+ } else if (JSVAL_IS_STRING(v)) {
+ type = JSTYPE_STRING;
+ } else if (JSVAL_IS_BOOLEAN(v)) {
+ type = JSTYPE_BOOLEAN;
+ } else {
+ type = JSTYPE_VOID;
+ }
+ return type;
+}
+
+JS_PUBLIC_API(const char *)
+JS_GetTypeName(JSContext *cx, JSType type)
+{
+ if ((uintN)type >= (uintN)JSTYPE_LIMIT)
+ return NULL;
+ return js_type_str[type];
+}
+
+/************************************************************************/
+
+JS_PUBLIC_API(JSRuntime *)
+JS_NewRuntime(uint32 maxbytes)
+{
+ JSRuntime *rt;
+
+#ifdef DEBUG
+ JS_BEGIN_MACRO
+ /*
+ * This code asserts that the numbers associated with the error names in
+ * jsmsg.def are monotonically increasing. It uses values for the error
+ * names enumerated in jscntxt.c. It's not a compiletime check, but it's
+ * better than nothing.
+ */
+ int errorNumber = 0;
+#define MSG_DEF(name, number, count, exception, format) \
+ JS_ASSERT(name == errorNumber++);
+#include "js.msg"
+#undef MSG_DEF
+ JS_END_MACRO;
+#endif /* DEBUG */
+
+ if (!js_InitScriptGlobals())
+ return NULL;
+ if (!js_InitStringGlobals())
+ return NULL;
+ rt = (JSRuntime *) malloc(sizeof(JSRuntime));
+ if (!rt)
+ return NULL;
+
+ /* Initialize infallibly first, so we can goto bad and JS_DestroyRuntime. */
+ memset(rt, 0, sizeof(JSRuntime));
+ JS_INIT_CLIST(&rt->contextList);
+ JS_INIT_CLIST(&rt->trapList);
+ JS_INIT_CLIST(&rt->watchPointList);
+
+ if (!js_InitGC(rt, maxbytes))
+ goto bad;
+#ifdef JS_THREADSAFE
+ rt->gcLock = JS_NEW_LOCK();
+ if (!rt->gcLock)
+ goto bad;
+ rt->gcDone = JS_NEW_CONDVAR(rt->gcLock);
+ if (!rt->gcDone)
+ goto bad;
+ rt->requestDone = JS_NEW_CONDVAR(rt->gcLock);
+ if (!rt->requestDone)
+ goto bad;
+ js_SetupLocks(8, 16); /* this is asymmetric with JS_ShutDown. */
+ rt->rtLock = JS_NEW_LOCK();
+ if (!rt->rtLock)
+ goto bad;
+ rt->stateChange = JS_NEW_CONDVAR(rt->gcLock);
+ if (!rt->stateChange)
+ goto bad;
+ rt->setSlotLock = JS_NEW_LOCK();
+ if (!rt->setSlotLock)
+ goto bad;
+ rt->setSlotDone = JS_NEW_CONDVAR(rt->setSlotLock);
+ if (!rt->setSlotDone)
+ goto bad;
+ rt->scopeSharingDone = JS_NEW_CONDVAR(rt->gcLock);
+ if (!rt->scopeSharingDone)
+ goto bad;
+ rt->scopeSharingTodo = NO_SCOPE_SHARING_TODO;
+#endif
+ rt->propertyCache.empty = JS_TRUE;
+ if (!js_InitPropertyTree(rt))
+ goto bad;
+ return rt;
+
+bad:
+ JS_DestroyRuntime(rt);
+ return NULL;
+}
+
+JS_PUBLIC_API(void)
+JS_DestroyRuntime(JSRuntime *rt)
+{
+#ifdef DEBUG
+ /* Don't hurt everyone in leaky ol' Mozilla with a fatal JS_ASSERT! */
+ if (!JS_CLIST_IS_EMPTY(&rt->contextList)) {
+ JSContext *cx, *iter = NULL;
+ uintN cxcount = 0;
+ while ((cx = js_ContextIterator(rt, JS_TRUE, &iter)) != NULL)
+ cxcount++;
+ fprintf(stderr,
+"JS API usage error: %u contexts left in runtime upon JS_DestroyRuntime.\n",
+ cxcount);
+ }
+#endif
+
+ js_FinishAtomState(&rt->atomState);
+ js_FinishGC(rt);
+#ifdef JS_THREADSAFE
+ if (rt->gcLock)
+ JS_DESTROY_LOCK(rt->gcLock);
+ if (rt->gcDone)
+ JS_DESTROY_CONDVAR(rt->gcDone);
+ if (rt->requestDone)
+ JS_DESTROY_CONDVAR(rt->requestDone);
+ if (rt->rtLock)
+ JS_DESTROY_LOCK(rt->rtLock);
+ if (rt->stateChange)
+ JS_DESTROY_CONDVAR(rt->stateChange);
+ if (rt->setSlotLock)
+ JS_DESTROY_LOCK(rt->setSlotLock);
+ if (rt->setSlotDone)
+ JS_DESTROY_CONDVAR(rt->setSlotDone);
+ if (rt->scopeSharingDone)
+ JS_DESTROY_CONDVAR(rt->scopeSharingDone);
+#endif
+ js_FinishPropertyTree(rt);
+ free(rt);
+}
+
+JS_PUBLIC_API(void)
+JS_ShutDown(void)
+{
+ JS_ArenaShutDown();
+ js_FinishDtoa();
+ js_FreeScriptGlobals();
+ js_FreeStringGlobals();
+#ifdef JS_THREADSAFE
+ js_CleanupLocks();
+#endif
+}
+
+JS_PUBLIC_API(void *)
+JS_GetRuntimePrivate(JSRuntime *rt)
+{
+ return rt->data;
+}
+
+JS_PUBLIC_API(void)
+JS_SetRuntimePrivate(JSRuntime *rt, void *data)
+{
+ rt->data = data;
+}
+
+#ifdef JS_THREADSAFE
+
+JS_PUBLIC_API(void)
+JS_BeginRequest(JSContext *cx)
+{
+ JSRuntime *rt;
+
+ JS_ASSERT(cx->thread);
+ if (!cx->requestDepth) {
+ /* Wait until the GC is finished. */
+ rt = cx->runtime;
+ JS_LOCK_GC(rt);
+
+ /* NB: we use cx->thread here, not js_CurrentThreadId(). */
+ if (rt->gcThread != cx->thread) {
+ while (rt->gcLevel > 0)
+ JS_AWAIT_GC_DONE(rt);
+ }
+
+ /* Indicate that a request is running. */
+ rt->requestCount++;
+ cx->requestDepth = 1;
+ JS_UNLOCK_GC(rt);
+ return;
+ }
+ cx->requestDepth++;
+}
+
+JS_PUBLIC_API(void)
+JS_EndRequest(JSContext *cx)
+{
+ JSRuntime *rt;
+ JSScope *scope, **todop;
+ uintN nshares;
+
+ CHECK_REQUEST(cx);
+ JS_ASSERT(cx->requestDepth > 0);
+ if (cx->requestDepth == 1) {
+ /* Lock before clearing to interlock with ClaimScope, in jslock.c. */
+ rt = cx->runtime;
+ JS_LOCK_GC(rt);
+ cx->requestDepth = 0;
+
+ /* See whether cx has any single-threaded scopes to start sharing. */
+ todop = &rt->scopeSharingTodo;
+ nshares = 0;
+ while ((scope = *todop) != NO_SCOPE_SHARING_TODO) {
+ if (scope->ownercx != cx) {
+ todop = &scope->u.link;
+ continue;
+ }
+ *todop = scope->u.link;
+ scope->u.link = NULL; /* null u.link for sanity ASAP */
+
+ /*
+ * If js_DropObjectMap returns null, we held the last ref to scope.
+ * The waiting thread(s) must have been killed, after which the GC
+ * collected the object that held this scope. Unlikely, because it
+ * requires that the GC ran (e.g., from a branch callback) during
+ * this request, but possible.
+ */
+ if (js_DropObjectMap(cx, &scope->map, NULL)) {
+ js_InitLock(&scope->lock);
+ scope->u.count = 0; /* NULL may not pun as 0 */
+ js_FinishSharingScope(rt, scope); /* set ownercx = NULL */
+ nshares++;
+ }
+ }
+ if (nshares)
+ JS_NOTIFY_ALL_CONDVAR(rt->scopeSharingDone);
+
+ /* Give the GC a chance to run if this was the last request running. */
+ JS_ASSERT(rt->requestCount > 0);
+ rt->requestCount--;
+ if (rt->requestCount == 0)
+ JS_NOTIFY_REQUEST_DONE(rt);
+
+ JS_UNLOCK_GC(rt);
+ return;
+ }
+
+ cx->requestDepth--;
+}
+
+/* Yield to pending GC operations, regardless of request depth */
+JS_PUBLIC_API(void)
+JS_YieldRequest(JSContext *cx)
+{
+ JSRuntime *rt;
+
+ JS_ASSERT(cx->thread);
+ CHECK_REQUEST(cx);
+
+ rt = cx->runtime;
+ JS_LOCK_GC(rt);
+ JS_ASSERT(rt->requestCount > 0);
+ rt->requestCount--;
+ if (rt->requestCount == 0)
+ JS_NOTIFY_REQUEST_DONE(rt);
+ JS_UNLOCK_GC(rt);
+ /* XXXbe give the GC or another request calling it a chance to run here?
+ Assumes FIFO scheduling */
+ JS_LOCK_GC(rt);
+ rt->requestCount++;
+ JS_UNLOCK_GC(rt);
+}
+
+JS_PUBLIC_API(jsrefcount)
+JS_SuspendRequest(JSContext *cx)
+{
+ jsrefcount saveDepth = cx->requestDepth;
+
+ while (cx->requestDepth)
+ JS_EndRequest(cx);
+ return saveDepth;
+}
+
+JS_PUBLIC_API(void)
+JS_ResumeRequest(JSContext *cx, jsrefcount saveDepth)
+{
+ JS_ASSERT(!cx->requestDepth);
+ while (--saveDepth >= 0)
+ JS_BeginRequest(cx);
+}
+
+#endif /* JS_THREADSAFE */
+
+JS_PUBLIC_API(void)
+JS_Lock(JSRuntime *rt)
+{
+ JS_LOCK_RUNTIME(rt);
+}
+
+JS_PUBLIC_API(void)
+JS_Unlock(JSRuntime *rt)
+{
+ JS_UNLOCK_RUNTIME(rt);
+}
+
+JS_PUBLIC_API(JSContext *)
+JS_NewContext(JSRuntime *rt, size_t stackChunkSize)
+{
+ return js_NewContext(rt, stackChunkSize);
+}
+
+JS_PUBLIC_API(void)
+JS_DestroyContext(JSContext *cx)
+{
+ js_DestroyContext(cx, JS_FORCE_GC);
+}
+
+JS_PUBLIC_API(void)
+JS_DestroyContextNoGC(JSContext *cx)
+{
+ js_DestroyContext(cx, JS_NO_GC);
+}
+
+JS_PUBLIC_API(void)
+JS_DestroyContextMaybeGC(JSContext *cx)
+{
+ js_DestroyContext(cx, JS_MAYBE_GC);
+}
+
+JS_PUBLIC_API(void *)
+JS_GetContextPrivate(JSContext *cx)
+{
+ return cx->data;
+}
+
+JS_PUBLIC_API(void)
+JS_SetContextPrivate(JSContext *cx, void *data)
+{
+ cx->data = data;
+}
+
+JS_PUBLIC_API(JSRuntime *)
+JS_GetRuntime(JSContext *cx)
+{
+ return cx->runtime;
+}
+
+JS_PUBLIC_API(JSContext *)
+JS_ContextIterator(JSRuntime *rt, JSContext **iterp)
+{
+ return js_ContextIterator(rt, JS_TRUE, iterp);
+}
+
+JS_PUBLIC_API(JSVersion)
+JS_GetVersion(JSContext *cx)
+{
+ return cx->version;
+}
+
+JS_PUBLIC_API(JSVersion)
+JS_SetVersion(JSContext *cx, JSVersion version)
+{
+ JSVersion oldVersion;
+
+ oldVersion = cx->version;
+ if (version == oldVersion)
+ return oldVersion;
+
+ cx->version = version;
+
+#if !JS_BUG_FALLIBLE_EQOPS
+ if (cx->version == JSVERSION_1_2) {
+ cx->jsop_eq = JSOP_NEW_EQ;
+ cx->jsop_ne = JSOP_NEW_NE;
+ } else {
+ cx->jsop_eq = JSOP_EQ;
+ cx->jsop_ne = JSOP_NE;
+ }
+#endif /* !JS_BUG_FALLIBLE_EQOPS */
+
+ return oldVersion;
+}
+
+static struct v2smap {
+ JSVersion version;
+ const char *string;
+} v2smap[] = {
+ {JSVERSION_1_0, "1.0"},
+ {JSVERSION_1_1, "1.1"},
+ {JSVERSION_1_2, "1.2"},
+ {JSVERSION_1_3, "1.3"},
+ {JSVERSION_1_4, "1.4"},
+ {JSVERSION_ECMA_3, "ECMAv3"},
+ {JSVERSION_1_5, "1.5"},
+ {JSVERSION_DEFAULT, "default"},
+ {JSVERSION_UNKNOWN, NULL}, /* must be last, NULL is sentinel */
+};
+
+JS_PUBLIC_API(const char *)
+JS_VersionToString(JSVersion version)
+{
+ int i;
+
+ for (i = 0; v2smap[i].string; i++)
+ if (v2smap[i].version == version)
+ return v2smap[i].string;
+ return "unknown";
+}
+
+JS_PUBLIC_API(JSVersion)
+JS_StringToVersion(const char *string)
+{
+ int i;
+
+ for (i = 0; v2smap[i].string; i++)
+ if (strcmp(v2smap[i].string, string) == 0)
+ return v2smap[i].version;
+ return JSVERSION_UNKNOWN;
+}
+
+JS_PUBLIC_API(uint32)
+JS_GetOptions(JSContext *cx)
+{
+ return cx->options;
+}
+
+JS_PUBLIC_API(uint32)
+JS_SetOptions(JSContext *cx, uint32 options)
+{
+ uint32 oldopts = cx->options;
+ cx->options = options;
+ return oldopts;
+}
+
+JS_PUBLIC_API(uint32)
+JS_ToggleOptions(JSContext *cx, uint32 options)
+{
+ uint32 oldopts = cx->options;
+ cx->options ^= options;
+ return oldopts;
+}
+
+JS_PUBLIC_API(const char *)
+JS_GetImplementationVersion(void)
+{
+ return "JavaScript-C 1.5 pre-release 6 2004-01-27";
+}
+
+
+JS_PUBLIC_API(JSObject *)
+JS_GetGlobalObject(JSContext *cx)
+{
+ return cx->globalObject;
+}
+
+JS_PUBLIC_API(void)
+JS_SetGlobalObject(JSContext *cx, JSObject *obj)
+{
+ cx->globalObject = obj;
+}
+
+static JSObject *
+InitFunctionAndObjectClasses(JSContext *cx, JSObject *obj)
+{
+ JSDHashTable *table;
+ JSBool resolving;
+ JSRuntime *rt;
+ JSResolvingKey key;
+ JSResolvingEntry *entry;
+ JSObject *fun_proto, *obj_proto;
+
+ /* If cx has no global object, use obj so prototypes can be found. */
+ if (!cx->globalObject)
+ cx->globalObject = obj;
+
+ /* Record Function and Object in cx->resolvingTable, if we are resolving. */
+ table = cx->resolvingTable;
+ resolving = (table && table->entryCount);
+ if (resolving) {
+ rt = cx->runtime;
+ key.obj = obj;
+ key.id = (jsid) rt->atomState.FunctionAtom;
+ entry = (JSResolvingEntry *)
+ JS_DHashTableOperate(table, &key, JS_DHASH_ADD);
+ if (entry && entry->key.obj && (entry->flags & JSRESFLAG_LOOKUP)) {
+ /* Already resolving Function, record Object too. */
+ JS_ASSERT(entry->key.obj == obj);
+ key.id = (jsid) rt->atomState.ObjectAtom;
+ entry = (JSResolvingEntry *)
+ JS_DHashTableOperate(table, &key, JS_DHASH_ADD);
+ }
+ if (!entry) {
+ JS_ReportOutOfMemory(cx);
+ return NULL;
+ }
+ JS_ASSERT(!entry->key.obj && entry->flags == 0);
+ entry->key = key;
+ entry->flags = JSRESFLAG_LOOKUP;
+ }
+
+ /* Initialize the function class first so constructors can be made. */
+ fun_proto = js_InitFunctionClass(cx, obj);
+ if (!fun_proto)
+ goto out;
+
+ /* Initialize the object class next so Object.prototype works. */
+ obj_proto = js_InitObjectClass(cx, obj);
+ if (!obj_proto) {
+ fun_proto = NULL;
+ goto out;
+ }
+
+ /* Function.prototype and the global object delegate to Object.prototype. */
+ OBJ_SET_PROTO(cx, fun_proto, obj_proto);
+ if (!OBJ_GET_PROTO(cx, obj))
+ OBJ_SET_PROTO(cx, obj, obj_proto);
+
+out:
+ /* If resolving, remove the other entry (Object or Function) from table. */
+ if (resolving)
+ JS_DHashTableOperate(table, &key, JS_DHASH_REMOVE);
+ return fun_proto;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_InitStandardClasses(JSContext *cx, JSObject *obj)
+{
+ CHECK_REQUEST(cx);
+
+#if JS_HAS_UNDEFINED
+{
+ /* Define a top-level property 'undefined' with the undefined value. */
+ JSAtom *atom = cx->runtime->atomState.typeAtoms[JSTYPE_VOID];
+ if (!OBJ_DEFINE_PROPERTY(cx, obj, (jsid)atom, JSVAL_VOID, NULL, NULL,
+ JSPROP_PERMANENT, NULL)) {
+ return JS_FALSE;
+ }
+}
+#endif
+
+ /* Function and Object require cooperative bootstrapping magic. */
+ if (!InitFunctionAndObjectClasses(cx, obj))
+ return JS_FALSE;
+
+ /* Initialize the rest of the standard objects and functions. */
+ return js_InitArrayClass(cx, obj) &&
+ js_InitBooleanClass(cx, obj) &&
+ js_InitMathClass(cx, obj) &&
+ js_InitNumberClass(cx, obj) &&
+ js_InitStringClass(cx, obj) &&
+#if JS_HAS_CALL_OBJECT
+ js_InitCallClass(cx, obj) &&
+#endif
+#if JS_HAS_REGEXPS
+ js_InitRegExpClass(cx, obj) &&
+#endif
+#if JS_HAS_SCRIPT_OBJECT
+ js_InitScriptClass(cx, obj) &&
+#endif
+#if JS_HAS_ERROR_EXCEPTIONS
+ js_InitExceptionClasses(cx, obj) &&
+#endif
+#if JS_HAS_FILE_OBJECT
+ js_InitFileClass(cx, obj, JS_TRUE) &&
+#endif
+ js_InitDateClass(cx, obj);
+}
+
+#define ATOM_OFFSET(name) offsetof(JSAtomState, name##Atom)
+#define OFFSET_TO_ATOM(rt,off) (*(JSAtom **)((char*)&(rt)->atomState + (off)))
+
+/*
+ * Table of class initializers and their atom offsets in rt->atomState.
+ * If you add a "standard" class, remember to update this table.
+ */
+static struct {
+ JSObjectOp init;
+ size_t atomOffset;
+} standard_class_atoms[] = {
+ {InitFunctionAndObjectClasses, ATOM_OFFSET(Function)},
+ {InitFunctionAndObjectClasses, ATOM_OFFSET(Object)},
+ {js_InitArrayClass, ATOM_OFFSET(Array)},
+ {js_InitBooleanClass, ATOM_OFFSET(Boolean)},
+ {js_InitDateClass, ATOM_OFFSET(Date)},
+ {js_InitMathClass, ATOM_OFFSET(Math)},
+ {js_InitNumberClass, ATOM_OFFSET(Number)},
+ {js_InitStringClass, ATOM_OFFSET(String)},
+#if JS_HAS_CALL_OBJECT
+ {js_InitCallClass, ATOM_OFFSET(Call)},
+#endif
+#if JS_HAS_ERROR_EXCEPTIONS
+ {js_InitExceptionClasses, ATOM_OFFSET(Error)},
+#endif
+#if JS_HAS_REGEXPS
+ {js_InitRegExpClass, ATOM_OFFSET(RegExp)},
+#endif
+#if JS_HAS_SCRIPT_OBJECT
+ {js_InitScriptClass, ATOM_OFFSET(Script)},
+#endif
+ {NULL, 0}
+};
+
+/*
+ * Table of top-level function and constant names and their init functions.
+ * If you add a "standard" global function or property, remember to update
+ * this table.
+ */
+typedef struct JSStdName {
+ JSObjectOp init;
+ size_t atomOffset; /* offset of atom pointer in JSAtomState */
+ const char *name; /* null if atom is pre-pinned, else name */
+} JSStdName;
+
+static JSAtom *
+StdNameToAtom(JSContext *cx, JSStdName *stdn)
+{
+ size_t offset;
+ JSAtom *atom;
+ const char *name;
+
+ offset = stdn->atomOffset;
+ atom = OFFSET_TO_ATOM(cx->runtime, offset);
+ if (!atom) {
+ name = stdn->name;
+ if (name) {
+ atom = js_Atomize(cx, name, strlen(name), ATOM_PINNED);
+ OFFSET_TO_ATOM(cx->runtime, offset) = atom;
+ }
+ }
+ return atom;
+}
+
+#define EAGERLY_PINNED_ATOM(name) ATOM_OFFSET(name), NULL
+#define LAZILY_PINNED_ATOM(name) ATOM_OFFSET(lazy.name), js_##name##_str
+
+static JSStdName standard_class_names[] = {
+ /* ECMA requires that eval be a direct property of the global object. */
+ {js_InitObjectClass, EAGERLY_PINNED_ATOM(eval)},
+
+ /* Global properties and functions defined by the Number class. */
+ {js_InitNumberClass, LAZILY_PINNED_ATOM(NaN)},
+ {js_InitNumberClass, LAZILY_PINNED_ATOM(Infinity)},
+ {js_InitNumberClass, LAZILY_PINNED_ATOM(isNaN)},
+ {js_InitNumberClass, LAZILY_PINNED_ATOM(isFinite)},
+ {js_InitNumberClass, LAZILY_PINNED_ATOM(parseFloat)},
+ {js_InitNumberClass, LAZILY_PINNED_ATOM(parseInt)},
+
+ /* String global functions. */
+ {js_InitStringClass, LAZILY_PINNED_ATOM(escape)},
+ {js_InitStringClass, LAZILY_PINNED_ATOM(unescape)},
+ {js_InitStringClass, LAZILY_PINNED_ATOM(decodeURI)},
+ {js_InitStringClass, LAZILY_PINNED_ATOM(encodeURI)},
+ {js_InitStringClass, LAZILY_PINNED_ATOM(decodeURIComponent)},
+ {js_InitStringClass, LAZILY_PINNED_ATOM(encodeURIComponent)},
+#if JS_HAS_UNEVAL
+ {js_InitStringClass, LAZILY_PINNED_ATOM(uneval)},
+#endif
+
+ /* Exception constructors. */
+#if JS_HAS_ERROR_EXCEPTIONS
+ {js_InitExceptionClasses, EAGERLY_PINNED_ATOM(Error)},
+ {js_InitExceptionClasses, LAZILY_PINNED_ATOM(InternalError)},
+ {js_InitExceptionClasses, LAZILY_PINNED_ATOM(EvalError)},
+ {js_InitExceptionClasses, LAZILY_PINNED_ATOM(RangeError)},
+ {js_InitExceptionClasses, LAZILY_PINNED_ATOM(ReferenceError)},
+ {js_InitExceptionClasses, LAZILY_PINNED_ATOM(SyntaxError)},
+ {js_InitExceptionClasses, LAZILY_PINNED_ATOM(TypeError)},
+ {js_InitExceptionClasses, LAZILY_PINNED_ATOM(URIError)},
+#endif
+
+ {NULL, 0, NULL}
+};
+
+static JSStdName object_prototype_names[] = {
+ /* Object.prototype properties (global delegates to Object.prototype). */
+ {js_InitObjectClass, EAGERLY_PINNED_ATOM(proto)},
+ {js_InitObjectClass, EAGERLY_PINNED_ATOM(parent)},
+ {js_InitObjectClass, EAGERLY_PINNED_ATOM(count)},
+#if JS_HAS_TOSOURCE
+ {js_InitObjectClass, EAGERLY_PINNED_ATOM(toSource)},
+#endif
+ {js_InitObjectClass, EAGERLY_PINNED_ATOM(toString)},
+ {js_InitObjectClass, EAGERLY_PINNED_ATOM(toLocaleString)},
+ {js_InitObjectClass, EAGERLY_PINNED_ATOM(valueOf)},
+#if JS_HAS_OBJ_WATCHPOINT
+ {js_InitObjectClass, LAZILY_PINNED_ATOM(watch)},
+ {js_InitObjectClass, LAZILY_PINNED_ATOM(unwatch)},
+#endif
+#if JS_HAS_NEW_OBJ_METHODS
+ {js_InitObjectClass, LAZILY_PINNED_ATOM(hasOwnProperty)},
+ {js_InitObjectClass, LAZILY_PINNED_ATOM(isPrototypeOf)},
+ {js_InitObjectClass, LAZILY_PINNED_ATOM(propertyIsEnumerable)},
+#endif
+#if JS_HAS_GETTER_SETTER
+ {js_InitObjectClass, LAZILY_PINNED_ATOM(defineGetter)},
+ {js_InitObjectClass, LAZILY_PINNED_ATOM(defineSetter)},
+ {js_InitObjectClass, LAZILY_PINNED_ATOM(lookupGetter)},
+ {js_InitObjectClass, LAZILY_PINNED_ATOM(lookupSetter)},
+#endif
+
+ {NULL, 0, NULL}
+};
+
+#undef EAGERLY_PINNED_ATOM
+#undef LAZILY_PINNED_ATOM
+
+JS_PUBLIC_API(JSBool)
+JS_ResolveStandardClass(JSContext *cx, JSObject *obj, jsval id,
+ JSBool *resolved)
+{
+ JSString *idstr;
+ JSRuntime *rt;
+ JSAtom *atom;
+ JSObjectOp init;
+ uintN i;
+
+ CHECK_REQUEST(cx);
+ *resolved = JS_FALSE;
+
+ if (!JSVAL_IS_STRING(id))
+ return JS_TRUE;
+ idstr = JSVAL_TO_STRING(id);
+ rt = cx->runtime;
+
+#if JS_HAS_UNDEFINED
+ /* See if we're resolving 'undefined', and define it if so. */
+ atom = rt->atomState.typeAtoms[JSTYPE_VOID];
+ if (idstr == ATOM_TO_STRING(atom)) {
+ *resolved = JS_TRUE;
+ return OBJ_DEFINE_PROPERTY(cx, obj, (jsid)atom, JSVAL_VOID, NULL, NULL,
+ JSPROP_PERMANENT, NULL);
+ }
+#endif
+
+ /* Try for class constructors/prototypes named by well-known atoms. */
+ init = NULL;
+ for (i = 0; standard_class_atoms[i].init; i++) {
+ atom = OFFSET_TO_ATOM(rt, standard_class_atoms[i].atomOffset);
+ if (idstr == ATOM_TO_STRING(atom)) {
+ init = standard_class_atoms[i].init;
+ break;
+ }
+ }
+
+ if (!init) {
+ /* Try less frequently used top-level functions and constants. */
+ for (i = 0; standard_class_names[i].init; i++) {
+ atom = StdNameToAtom(cx, &standard_class_names[i]);
+ if (!atom)
+ return JS_FALSE;
+ if (idstr == ATOM_TO_STRING(atom)) {
+ init = standard_class_names[i].init;
+ break;
+ }
+ }
+
+ if (!init && !OBJ_GET_PROTO(cx, obj)) {
+ /*
+ * Try even less frequently used names delegated from the global
+ * object to Object.prototype, but only if the Object class hasn't
+ * yet been initialized.
+ */
+ for (i = 0; object_prototype_names[i].init; i++) {
+ atom = StdNameToAtom(cx, &object_prototype_names[i]);
+ if (!atom)
+ return JS_FALSE;
+ if (idstr == ATOM_TO_STRING(atom)) {
+ init = standard_class_names[i].init;
+ break;
+ }
+ }
+ }
+ }
+
+ if (init) {
+ if (!init(cx, obj))
+ return JS_FALSE;
+ *resolved = JS_TRUE;
+ }
+ return JS_TRUE;
+}
+
+static JSBool
+HasOwnProperty(JSContext *cx, JSObject *obj, JSAtom *atom, JSBool *ownp)
+{
+ JSObject *pobj;
+ JSProperty *prop;
+
+ if (!OBJ_LOOKUP_PROPERTY(cx, obj, (jsid)atom, &pobj, &prop))
+ return JS_FALSE;
+ if (prop)
+ OBJ_DROP_PROPERTY(cx, pobj, prop);
+ *ownp = (pobj == obj && prop);
+ return JS_TRUE;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_EnumerateStandardClasses(JSContext *cx, JSObject *obj)
+{
+ JSRuntime *rt;
+ JSAtom *atom;
+ JSBool found;
+ uintN i;
+
+ CHECK_REQUEST(cx);
+ rt = cx->runtime;
+
+#if JS_HAS_UNDEFINED
+ /* See if we need to bind 'undefined' and define it if so. */
+ atom = rt->atomState.typeAtoms[JSTYPE_VOID];
+ if (!HasOwnProperty(cx, obj, atom, &found))
+ return JS_FALSE;
+ if (!found &&
+ !OBJ_DEFINE_PROPERTY(cx, obj, (jsid)atom, JSVAL_VOID, NULL, NULL,
+ JSPROP_PERMANENT, NULL)) {
+ return JS_FALSE;
+ }
+#endif
+
+ /* Initialize any classes that have not been resolved yet. */
+ for (i = 0; standard_class_atoms[i].init; i++) {
+ atom = OFFSET_TO_ATOM(rt, standard_class_atoms[i].atomOffset);
+ if (!HasOwnProperty(cx, obj, atom, &found))
+ return JS_FALSE;
+ if (!found && !standard_class_atoms[i].init(cx, obj))
+ return JS_FALSE;
+ }
+
+ return JS_TRUE;
+}
+
+#undef ATOM_OFFSET
+#undef OFFSET_TO_ATOM
+
+JS_PUBLIC_API(JSObject *)
+JS_GetScopeChain(JSContext *cx)
+{
+ return cx->fp ? cx->fp->scopeChain : NULL;
+}
+
+JS_PUBLIC_API(void *)
+JS_malloc(JSContext *cx, size_t nbytes)
+{
+ void *p;
+
+ JS_ASSERT(nbytes != 0);
+ if (nbytes == 0)
+ nbytes = 1;
+ cx->runtime->gcMallocBytes += nbytes;
+ p = malloc(nbytes);
+ if (!p)
+ JS_ReportOutOfMemory(cx);
+ return p;
+}
+
+JS_PUBLIC_API(void *)
+JS_realloc(JSContext *cx, void *p, size_t nbytes)
+{
+ p = realloc(p, nbytes);
+ if (!p)
+ JS_ReportOutOfMemory(cx);
+ return p;
+}
+
+JS_PUBLIC_API(void)
+JS_free(JSContext *cx, void *p)
+{
+ if (p)
+ free(p);
+}
+
+JS_PUBLIC_API(char *)
+JS_strdup(JSContext *cx, const char *s)
+{
+ size_t n;
+ void *p;
+
+ n = strlen(s) + 1;
+ p = JS_malloc(cx, n);
+ if (!p)
+ return NULL;
+ return (char *)memcpy(p, s, n);
+}
+
+JS_PUBLIC_API(jsdouble *)
+JS_NewDouble(JSContext *cx, jsdouble d)
+{
+ CHECK_REQUEST(cx);
+ return js_NewDouble(cx, d);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_NewDoubleValue(JSContext *cx, jsdouble d, jsval *rval)
+{
+ CHECK_REQUEST(cx);
+ return js_NewDoubleValue(cx, d, rval);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_NewNumberValue(JSContext *cx, jsdouble d, jsval *rval)
+{
+ CHECK_REQUEST(cx);
+ return js_NewNumberValue(cx, d, rval);
+}
+
+#undef JS_AddRoot
+JS_PUBLIC_API(JSBool)
+JS_AddRoot(JSContext *cx, void *rp)
+{
+ CHECK_REQUEST(cx);
+ return js_AddRoot(cx, rp, NULL);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_AddNamedRootRT(JSRuntime *rt, void *rp, const char *name)
+{
+ return js_AddRootRT(rt, rp, name);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_RemoveRoot(JSContext *cx, void *rp)
+{
+ CHECK_REQUEST(cx);
+ return js_RemoveRoot(cx->runtime, rp);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_RemoveRootRT(JSRuntime *rt, void *rp)
+{
+ return js_RemoveRoot(rt, rp);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_AddNamedRoot(JSContext *cx, void *rp, const char *name)
+{
+ CHECK_REQUEST(cx);
+ return js_AddRoot(cx, rp, name);
+}
+
+JS_PUBLIC_API(void)
+JS_ClearNewbornRoots(JSContext *cx)
+{
+ uintN i;
+
+ for (i = 0; i < GCX_NTYPES; i++)
+ cx->newborn[i] = NULL;
+ cx->lastAtom = NULL;
+}
+
+#include "jshash.h" /* Added by JSIFY */
+
+#ifdef DEBUG
+
+typedef struct NamedRootDumpArgs {
+ void (*dump)(const char *name, void *rp, void *data);
+ void *data;
+} NamedRootDumpArgs;
+
+JS_STATIC_DLL_CALLBACK(JSDHashOperator)
+js_named_root_dumper(JSDHashTable *table, JSDHashEntryHdr *hdr, uint32 number,
+ void *arg)
+{
+ NamedRootDumpArgs *args = (NamedRootDumpArgs *) arg;
+ JSGCRootHashEntry *rhe = (JSGCRootHashEntry *)hdr;
+
+ if (rhe->name)
+ args->dump(rhe->name, rhe->root, args->data);
+ return JS_DHASH_NEXT;
+}
+
+JS_PUBLIC_API(void)
+JS_DumpNamedRoots(JSRuntime *rt,
+ void (*dump)(const char *name, void *rp, void *data),
+ void *data)
+{
+ NamedRootDumpArgs args;
+
+ args.dump = dump;
+ args.data = data;
+ JS_DHashTableEnumerate(&rt->gcRootsHash, js_named_root_dumper, &args);
+}
+
+#endif /* DEBUG */
+
+typedef struct GCRootMapArgs {
+ JSGCRootMapFun map;
+ void *data;
+} GCRootMapArgs;
+
+JS_STATIC_DLL_CALLBACK(JSDHashOperator)
+js_gcroot_mapper(JSDHashTable *table, JSDHashEntryHdr *hdr, uint32 number,
+ void *arg)
+{
+ GCRootMapArgs *args = (GCRootMapArgs *) arg;
+ JSGCRootHashEntry *rhe = (JSGCRootHashEntry *)hdr;
+ intN mapflags;
+ JSDHashOperator op;
+
+ mapflags = args->map(rhe->root, rhe->name, args->data);
+
+#if JS_MAP_GCROOT_NEXT == JS_DHASH_NEXT && \
+ JS_MAP_GCROOT_STOP == JS_DHASH_STOP && \
+ JS_MAP_GCROOT_REMOVE == JS_DHASH_REMOVE
+ op = (JSDHashOperator)mapflags;
+#else
+ op = JS_DHASH_NEXT;
+ if (mapflags & JS_MAP_GCROOT_STOP)
+ op |= JS_DHASH_STOP;
+ if (mapflags & JS_MAP_GCROOT_REMOVE)
+ op |= JS_DHASH_REMOVE;
+#endif
+
+ return op;
+}
+
+JS_PUBLIC_API(uint32)
+JS_MapGCRoots(JSRuntime *rt, JSGCRootMapFun map, void *data)
+{
+ GCRootMapArgs args;
+ uint32 rv;
+
+ args.map = map;
+ args.data = data;
+ JS_LOCK_GC(rt);
+ rv = JS_DHashTableEnumerate(&rt->gcRootsHash, js_gcroot_mapper, &args);
+ JS_UNLOCK_GC(rt);
+ return rv;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_LockGCThing(JSContext *cx, void *thing)
+{
+ JSBool ok;
+
+ CHECK_REQUEST(cx);
+ ok = js_LockGCThing(cx, thing);
+ if (!ok)
+ JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL, JSMSG_CANT_LOCK);
+ return ok;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_LockGCThingRT(JSRuntime *rt, void *thing)
+{
+ return js_LockGCThingRT(rt, thing);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_UnlockGCThing(JSContext *cx, void *thing)
+{
+ JSBool ok;
+
+ CHECK_REQUEST(cx);
+ ok = js_UnlockGCThingRT(cx->runtime, thing);
+ if (!ok)
+ JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL, JSMSG_CANT_UNLOCK);
+ return ok;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_UnlockGCThingRT(JSRuntime *rt, void *thing)
+{
+ return js_UnlockGCThingRT(rt, thing);
+}
+
+JS_PUBLIC_API(void)
+JS_MarkGCThing(JSContext *cx, void *thing, const char *name, void *arg)
+{
+ JS_ASSERT(cx->runtime->gcLevel > 0);
+#ifdef JS_THREADSAFE
+ JS_ASSERT(cx->runtime->gcThread == js_CurrentThreadId());
+#endif
+
+ GC_MARK(cx, thing, name, arg);
+}
+
+JS_PUBLIC_API(void)
+JS_GC(JSContext *cx)
+{
+ /* Don't nuke active arenas if executing or compiling. */
+ if (cx->stackPool.current == &cx->stackPool.first)
+ JS_FinishArenaPool(&cx->stackPool);
+ if (cx->tempPool.current == &cx->tempPool.first)
+ JS_FinishArenaPool(&cx->tempPool);
+ js_ForceGC(cx, 0);
+}
+
+JS_PUBLIC_API(void)
+JS_MaybeGC(JSContext *cx)
+{
+ JSRuntime *rt;
+ uint32 bytes, lastBytes;
+
+ rt = cx->runtime;
+ bytes = rt->gcBytes;
+ lastBytes = rt->gcLastBytes;
+ if ((bytes > 8192 && bytes > lastBytes + lastBytes / 2) ||
+ rt->gcMallocBytes > rt->gcMaxBytes) {
+ /*
+ * Run the GC if we have half again as many bytes of GC-things as
+ * the last time we GC'd, or if we have malloc'd more bytes through
+ * JS_malloc than we were told to allocate by JS_NewRuntime.
+ */
+ JS_GC(cx);
+ }
+}
+
+JS_PUBLIC_API(JSGCCallback)
+JS_SetGCCallback(JSContext *cx, JSGCCallback cb)
+{
+ return JS_SetGCCallbackRT(cx->runtime, cb);
+}
+
+JS_PUBLIC_API(JSGCCallback)
+JS_SetGCCallbackRT(JSRuntime *rt, JSGCCallback cb)
+{
+ JSGCCallback oldcb;
+
+ oldcb = rt->gcCallback;
+ rt->gcCallback = cb;
+ return oldcb;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_IsAboutToBeFinalized(JSContext *cx, void *thing)
+{
+ JS_ASSERT(thing);
+ return js_IsAboutToBeFinalized(cx, thing);
+}
+
+JS_PUBLIC_API(intN)
+JS_AddExternalStringFinalizer(JSStringFinalizeOp finalizer)
+{
+ return js_ChangeExternalStringFinalizer(NULL, finalizer);
+}
+
+JS_PUBLIC_API(intN)
+JS_RemoveExternalStringFinalizer(JSStringFinalizeOp finalizer)
+{
+ return js_ChangeExternalStringFinalizer(finalizer, NULL);
+}
+
+JS_PUBLIC_API(JSString *)
+JS_NewExternalString(JSContext *cx, jschar *chars, size_t length, intN type)
+{
+ JSString *str;
+
+ CHECK_REQUEST(cx);
+ JS_ASSERT(GCX_EXTERNAL_STRING <= type && type < (intN) GCX_NTYPES);
+
+ str = (JSString *) js_AllocGCThing(cx, (uintN) type);
+ if (!str)
+ return NULL;
+ str->length = length;
+ str->chars = chars;
+ return str;
+}
+
+JS_PUBLIC_API(intN)
+JS_GetExternalStringGCType(JSRuntime *rt, JSString *str)
+{
+ uint8 type = (uint8) (*js_GetGCThingFlags(str) & GCF_TYPEMASK);
+
+ if (type >= GCX_EXTERNAL_STRING)
+ return (intN)type;
+ JS_ASSERT(type == GCX_STRING || type == GCX_MUTABLE_STRING);
+ return -1;
+}
+
+#ifdef DEBUG
+static void
+CheckStackGrowthDirection(int *dummy1addr, jsuword limitAddr)
+{
+ int dummy2;
+
+#if JS_STACK_GROWTH_DIRECTION > 0
+ JS_ASSERT(dummy1addr < &dummy2);
+ JS_ASSERT((jsuword)&dummy2 < limitAddr);
+#else
+ /* Stack grows downward, the common case on modern architectures. */
+ JS_ASSERT(&dummy2 < dummy1addr);
+ JS_ASSERT(limitAddr < (jsuword)&dummy2);
+#endif
+}
+#endif
+
+JS_PUBLIC_API(void)
+JS_SetThreadStackLimit(JSContext *cx, jsuword limitAddr)
+{
+#ifdef DEBUG
+ int dummy1;
+
+ CheckStackGrowthDirection(&dummy1, limitAddr);
+#endif
+
+#if JS_STACK_GROWTH_DIRECTION > 0
+ if (limitAddr == 0)
+ limitAddr = (jsuword)-1;
+#endif
+ cx->stackLimit = limitAddr;
+}
+
+/************************************************************************/
+
+JS_PUBLIC_API(void)
+JS_DestroyIdArray(JSContext *cx, JSIdArray *ida)
+{
+ JS_free(cx, ida);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_ValueToId(JSContext *cx, jsval v, jsid *idp)
+{
+ JSAtom *atom;
+
+ CHECK_REQUEST(cx);
+ if (JSVAL_IS_INT(v)) {
+ *idp = v;
+ } else {
+ atom = js_ValueToStringAtom(cx, v);
+ if (!atom)
+ return JS_FALSE;
+ *idp = (jsid)atom;
+ }
+ return JS_TRUE;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_IdToValue(JSContext *cx, jsid id, jsval *vp)
+{
+ CHECK_REQUEST(cx);
+ *vp = ID_TO_VALUE(id);
+ return JS_TRUE;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_PropertyStub(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
+{
+ return JS_TRUE;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_EnumerateStub(JSContext *cx, JSObject *obj)
+{
+ return JS_TRUE;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_ResolveStub(JSContext *cx, JSObject *obj, jsval id)
+{
+ return JS_TRUE;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_ConvertStub(JSContext *cx, JSObject *obj, JSType type, jsval *vp)
+{
+#if JS_BUG_EAGER_TOSTRING
+ if (type == JSTYPE_STRING)
+ return JS_TRUE;
+#endif
+ return js_TryValueOf(cx, obj, type, vp);
+}
+
+JS_PUBLIC_API(void)
+JS_FinalizeStub(JSContext *cx, JSObject *obj)
+{
+}
+
+JS_PUBLIC_API(JSObject *)
+JS_InitClass(JSContext *cx, JSObject *obj, JSObject *parent_proto,
+ JSClass *clasp, JSNative constructor, uintN nargs,
+ JSPropertySpec *ps, JSFunctionSpec *fs,
+ JSPropertySpec *static_ps, JSFunctionSpec *static_fs)
+{
+ JSAtom *atom;
+ JSObject *proto, *ctor;
+ JSBool named;
+ JSFunction *fun;
+ jsval junk;
+
+ CHECK_REQUEST(cx);
+ atom = js_Atomize(cx, clasp->name, strlen(clasp->name), 0);
+ if (!atom)
+ return NULL;
+
+ /* Create a prototype object for this class. */
+ proto = js_NewObject(cx, clasp, parent_proto, obj);
+ if (!proto)
+ return NULL;
+
+ if (!constructor) {
+ /* Lacking a constructor, name the prototype (e.g., Math). */
+ named = OBJ_DEFINE_PROPERTY(cx, obj, (jsid)atom, OBJECT_TO_JSVAL(proto),
+ NULL, NULL, 0, NULL);
+ if (!named)
+ goto bad;
+ ctor = proto;
+ } else {
+ /* Define the constructor function in obj's scope. */
+ fun = js_DefineFunction(cx, obj, atom, constructor, nargs, 0);
+ named = (fun != NULL);
+ if (!fun)
+ goto bad;
+
+ /*
+ * Remember the class this function is a constructor for so that
+ * we know to create an object of this class when we call the
+ * constructor.
+ */
+ fun->clasp = clasp;
+
+ /* Connect constructor and prototype by named properties. */
+ ctor = fun->object;
+ if (!js_SetClassPrototype(cx, ctor, proto,
+ JSPROP_READONLY | JSPROP_PERMANENT)) {
+ goto bad;
+ }
+
+ /* Bootstrap Function.prototype (see also JS_InitStandardClasses). */
+ if (OBJ_GET_CLASS(cx, ctor) == clasp) {
+ /* XXXMLM - this fails in framesets that are writing over
+ * themselves!
+ * JS_ASSERT(!OBJ_GET_PROTO(cx, ctor));
+ */
+ OBJ_SET_PROTO(cx, ctor, proto);
+ }
+ }
+
+ /* Add properties and methods to the prototype and the constructor. */
+ if ((ps && !JS_DefineProperties(cx, proto, ps)) ||
+ (fs && !JS_DefineFunctions(cx, proto, fs)) ||
+ (static_ps && !JS_DefineProperties(cx, ctor, static_ps)) ||
+ (static_fs && !JS_DefineFunctions(cx, ctor, static_fs))) {
+ goto bad;
+ }
+ return proto;
+
+bad:
+ if (named)
+ (void) OBJ_DELETE_PROPERTY(cx, obj, (jsid)atom, &junk);
+ cx->newborn[GCX_OBJECT] = NULL;
+ return NULL;
+}
+
+#ifdef JS_THREADSAFE
+JS_PUBLIC_API(JSClass *)
+JS_GetClass(JSContext *cx, JSObject *obj)
+{
+ return (JSClass *)
+ JSVAL_TO_PRIVATE(GC_AWARE_GET_SLOT(cx, obj, JSSLOT_CLASS));
+}
+#else
+JS_PUBLIC_API(JSClass *)
+JS_GetClass(JSObject *obj)
+{
+ return LOCKED_OBJ_GET_CLASS(obj);
+}
+#endif
+
+JS_PUBLIC_API(JSBool)
+JS_InstanceOf(JSContext *cx, JSObject *obj, JSClass *clasp, jsval *argv)
+{
+ JSFunction *fun;
+
+ CHECK_REQUEST(cx);
+ if (OBJ_GET_CLASS(cx, obj) == clasp)
+ return JS_TRUE;
+ if (argv) {
+ fun = js_ValueToFunction(cx, &argv[-2], 0);
+ if (fun) {
+ JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL,
+ JSMSG_INCOMPATIBLE_PROTO,
+ clasp->name, JS_GetFunctionName(fun),
+ OBJ_GET_CLASS(cx, obj)->name);
+ }
+ }
+ return JS_FALSE;
+}
+
+JS_PUBLIC_API(void *)
+JS_GetPrivate(JSContext *cx, JSObject *obj)
+{
+ jsval v;
+
+ JS_ASSERT(OBJ_GET_CLASS(cx, obj)->flags & JSCLASS_HAS_PRIVATE);
+ v = GC_AWARE_GET_SLOT(cx, obj, JSSLOT_PRIVATE);
+ if (!JSVAL_IS_INT(v))
+ return NULL;
+ return JSVAL_TO_PRIVATE(v);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_SetPrivate(JSContext *cx, JSObject *obj, void *data)
+{
+ JS_ASSERT(OBJ_GET_CLASS(cx, obj)->flags & JSCLASS_HAS_PRIVATE);
+ OBJ_SET_SLOT(cx, obj, JSSLOT_PRIVATE, PRIVATE_TO_JSVAL(data));
+ return JS_TRUE;
+}
+
+JS_PUBLIC_API(void *)
+JS_GetInstancePrivate(JSContext *cx, JSObject *obj, JSClass *clasp,
+ jsval *argv)
+{
+ if (!JS_InstanceOf(cx, obj, clasp, argv))
+ return NULL;
+ return JS_GetPrivate(cx, obj);
+}
+
+JS_PUBLIC_API(JSObject *)
+JS_GetPrototype(JSContext *cx, JSObject *obj)
+{
+ JSObject *proto;
+
+ CHECK_REQUEST(cx);
+ proto = JSVAL_TO_OBJECT(GC_AWARE_GET_SLOT(cx, obj, JSSLOT_PROTO));
+
+ /* Beware ref to dead object (we may be called from obj's finalizer). */
+ return proto && proto->map ? proto : NULL;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_SetPrototype(JSContext *cx, JSObject *obj, JSObject *proto)
+{
+ CHECK_REQUEST(cx);
+ if (obj->map->ops->setProto)
+ return obj->map->ops->setProto(cx, obj, JSSLOT_PROTO, proto);
+ OBJ_SET_SLOT(cx, obj, JSSLOT_PROTO, OBJECT_TO_JSVAL(proto));
+ return JS_TRUE;
+}
+
+JS_PUBLIC_API(JSObject *)
+JS_GetParent(JSContext *cx, JSObject *obj)
+{
+ JSObject *parent;
+
+ parent = JSVAL_TO_OBJECT(GC_AWARE_GET_SLOT(cx, obj, JSSLOT_PARENT));
+
+ /* Beware ref to dead object (we may be called from obj's finalizer). */
+ return parent && parent->map ? parent : NULL;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_SetParent(JSContext *cx, JSObject *obj, JSObject *parent)
+{
+ CHECK_REQUEST(cx);
+ if (obj->map->ops->setParent)
+ return obj->map->ops->setParent(cx, obj, JSSLOT_PARENT, parent);
+ OBJ_SET_SLOT(cx, obj, JSSLOT_PARENT, OBJECT_TO_JSVAL(parent));
+ return JS_TRUE;
+}
+
+JS_PUBLIC_API(JSObject *)
+JS_GetConstructor(JSContext *cx, JSObject *proto)
+{
+ jsval cval;
+
+ CHECK_REQUEST(cx);
+ if (!OBJ_GET_PROPERTY(cx, proto,
+ (jsid)cx->runtime->atomState.constructorAtom,
+ &cval)) {
+ return NULL;
+ }
+ if (!JSVAL_IS_FUNCTION(cx, cval)) {
+ JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL, JSMSG_NO_CONSTRUCTOR,
+ OBJ_GET_CLASS(cx, proto)->name);
+ return NULL;
+ }
+ return JSVAL_TO_OBJECT(cval);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_GetObjectId(JSContext *cx, JSObject *obj, jsid *idp)
+{
+ *idp = (jsid) obj;
+ return JS_TRUE;
+}
+
+JS_PUBLIC_API(JSObject *)
+JS_NewObject(JSContext *cx, JSClass *clasp, JSObject *proto, JSObject *parent)
+{
+ CHECK_REQUEST(cx);
+ if (!clasp)
+ clasp = &js_ObjectClass; /* default class is Object */
+ return js_NewObject(cx, clasp, proto, parent);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_SealObject(JSContext *cx, JSObject *obj, JSBool deep)
+{
+ JSScope *scope;
+ JSIdArray *ida;
+ uint32 nslots;
+ jsval v, *vp, *end;
+
+ if (!OBJ_IS_NATIVE(obj)) {
+ JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL,
+ JSMSG_CANT_SEAL_OBJECT,
+ OBJ_GET_CLASS(cx, obj)->name);
+ return JS_FALSE;
+ }
+
+ scope = OBJ_SCOPE(obj);
+
+#if defined JS_THREADSAFE && defined DEBUG
+ /* Insist on scope being used exclusively by cx's thread. */
+ if (scope->ownercx != cx) {
+ JS_LOCK_OBJ(cx, obj);
+ JS_ASSERT(OBJ_SCOPE(obj) == scope);
+ JS_ASSERT(scope->ownercx == cx);
+ JS_UNLOCK_SCOPE(cx, scope);
+ }
+#endif
+
+ /* Nothing to do if obj's scope is already sealed. */
+ if (SCOPE_IS_SEALED(scope))
+ return JS_TRUE;
+
+ /* XXX Enumerate lazy properties now, as they can't be added later. */
+ ida = JS_Enumerate(cx, obj);
+ if (!ida)
+ return JS_FALSE;
+ JS_DestroyIdArray(cx, ida);
+
+ /* Ensure that obj has its own, mutable scope, and seal that scope. */
+ JS_LOCK_OBJ(cx, obj);
+ scope = js_GetMutableScope(cx, obj);
+ if (scope)
+ SCOPE_SET_SEALED(scope);
+ JS_UNLOCK_SCOPE(cx, scope);
+ if (!scope)
+ return JS_FALSE;
+
+ /* If we are not sealing an entire object graph, we're done. */
+ if (!deep)
+ return JS_TRUE;
+
+ /* Walk obj->slots and if any value is a non-null object, seal it. */
+ nslots = JS_MIN(scope->map.freeslot, scope->map.nslots);
+ for (vp = obj->slots, end = vp + nslots; vp < end; vp++) {
+ v = *vp;
+ if (JSVAL_IS_PRIMITIVE(v))
+ continue;
+ if (!JS_SealObject(cx, JSVAL_TO_OBJECT(v), deep))
+ return JS_FALSE;
+ }
+ return JS_TRUE;
+}
+
+JS_PUBLIC_API(JSObject *)
+JS_ConstructObject(JSContext *cx, JSClass *clasp, JSObject *proto,
+ JSObject *parent)
+{
+ CHECK_REQUEST(cx);
+ if (!clasp)
+ clasp = &js_ObjectClass; /* default class is Object */
+ return js_ConstructObject(cx, clasp, proto, parent, 0, NULL);
+}
+
+JS_PUBLIC_API(JSObject *)
+JS_ConstructObjectWithArguments(JSContext *cx, JSClass *clasp, JSObject *proto,
+ JSObject *parent, uintN argc, jsval *argv)
+{
+ CHECK_REQUEST(cx);
+ if (!clasp)
+ clasp = &js_ObjectClass; /* default class is Object */
+ return js_ConstructObject(cx, clasp, proto, parent, argc, argv);
+}
+
+static JSBool
+DefineProperty(JSContext *cx, JSObject *obj, const char *name, jsval value,
+ JSPropertyOp getter, JSPropertyOp setter, uintN attrs,
+ uintN flags, intN tinyid)
+{
+ jsid id;
+ JSAtom *atom;
+
+ if (attrs & JSPROP_INDEX) {
+ id = INT_TO_JSVAL((jsint)name);
+ atom = NULL;
+ attrs &= ~JSPROP_INDEX;
+ } else {
+ atom = js_Atomize(cx, name, strlen(name), 0);
+ if (!atom)
+ return JS_FALSE;
+ id = (jsid)atom;
+ }
+ if (flags != 0 && OBJ_IS_NATIVE(obj)) {
+ return js_DefineNativeProperty(cx, obj, id, value, getter, setter,
+ attrs, flags, tinyid, NULL);
+ }
+ return OBJ_DEFINE_PROPERTY(cx, obj, id, value, getter, setter, attrs,
+ NULL);
+}
+
+#define AUTO_NAMELEN(s,n) (((n) == (size_t)-1) ? js_strlen(s) : (n))
+
+static JSBool
+DefineUCProperty(JSContext *cx, JSObject *obj,
+ const jschar *name, size_t namelen, jsval value,
+ JSPropertyOp getter, JSPropertyOp setter, uintN attrs,
+ uintN flags, intN tinyid)
+{
+ JSAtom *atom;
+
+ atom = js_AtomizeChars(cx, name, AUTO_NAMELEN(name,namelen), 0);
+ if (!atom)
+ return JS_FALSE;
+ if (flags != 0 && OBJ_IS_NATIVE(obj)) {
+ return js_DefineNativeProperty(cx, obj, (jsid)atom, value,
+ getter, setter, attrs, flags, tinyid,
+ NULL);
+ }
+ return OBJ_DEFINE_PROPERTY(cx, obj, (jsid)atom, value, getter, setter,
+ attrs, NULL);
+}
+
+JS_PUBLIC_API(JSObject *)
+JS_DefineObject(JSContext *cx, JSObject *obj, const char *name, JSClass *clasp,
+ JSObject *proto, uintN attrs)
+{
+ JSObject *nobj;
+
+ CHECK_REQUEST(cx);
+ if (!clasp)
+ clasp = &js_ObjectClass; /* default class is Object */
+ nobj = js_NewObject(cx, clasp, proto, obj);
+ if (!nobj)
+ return NULL;
+ if (!DefineProperty(cx, obj, name, OBJECT_TO_JSVAL(nobj), NULL, NULL, attrs,
+ 0, 0)) {
+ cx->newborn[GCX_OBJECT] = NULL;
+ return NULL;
+ }
+ return nobj;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_DefineConstDoubles(JSContext *cx, JSObject *obj, JSConstDoubleSpec *cds)
+{
+ JSBool ok;
+ jsval value;
+ uintN flags;
+
+ CHECK_REQUEST(cx);
+ for (ok = JS_TRUE; cds->name; cds++) {
+ ok = js_NewNumberValue(cx, cds->dval, &value);
+ if (!ok)
+ break;
+ flags = cds->flags;
+ if (!flags)
+ flags = JSPROP_READONLY | JSPROP_PERMANENT;
+ ok = DefineProperty(cx, obj, cds->name, value, NULL, NULL, flags, 0, 0);
+ if (!ok)
+ break;
+ }
+ return ok;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_DefineProperties(JSContext *cx, JSObject *obj, JSPropertySpec *ps)
+{
+ JSBool ok;
+
+ CHECK_REQUEST(cx);
+ for (ok = JS_TRUE; ps->name; ps++) {
+ ok = DefineProperty(cx, obj, ps->name, JSVAL_VOID,
+ ps->getter, ps->setter, ps->flags,
+ SPROP_HAS_SHORTID, ps->tinyid);
+ if (!ok)
+ break;
+ }
+ return ok;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_DefineProperty(JSContext *cx, JSObject *obj, const char *name, jsval value,
+ JSPropertyOp getter, JSPropertyOp setter, uintN attrs)
+{
+ CHECK_REQUEST(cx);
+ return DefineProperty(cx, obj, name, value, getter, setter, attrs, 0, 0);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_DefinePropertyWithTinyId(JSContext *cx, JSObject *obj, const char *name,
+ int8 tinyid, jsval value,
+ JSPropertyOp getter, JSPropertyOp setter,
+ uintN attrs)
+{
+ CHECK_REQUEST(cx);
+ return DefineProperty(cx, obj, name, value, getter, setter, attrs,
+ SPROP_HAS_SHORTID, tinyid);
+}
+
+static JSBool
+LookupProperty(JSContext *cx, JSObject *obj, const char *name, JSObject **objp,
+ JSProperty **propp)
+{
+ JSAtom *atom;
+
+ atom = js_Atomize(cx, name, strlen(name), 0);
+ if (!atom)
+ return JS_FALSE;
+ return OBJ_LOOKUP_PROPERTY(cx, obj, (jsid)atom, objp, propp);
+}
+
+static JSBool
+LookupUCProperty(JSContext *cx, JSObject *obj,
+ const jschar *name, size_t namelen,
+ JSObject **objp, JSProperty **propp)
+{
+ JSAtom *atom;
+
+ atom = js_AtomizeChars(cx, name, AUTO_NAMELEN(name,namelen), 0);
+ if (!atom)
+ return JS_FALSE;
+ return OBJ_LOOKUP_PROPERTY(cx, obj, (jsid)atom, objp, propp);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_AliasProperty(JSContext *cx, JSObject *obj, const char *name,
+ const char *alias)
+{
+ JSObject *obj2;
+ JSProperty *prop;
+ JSAtom *atom;
+ JSBool ok;
+ JSScopeProperty *sprop;
+
+ CHECK_REQUEST(cx);
+ if (!LookupProperty(cx, obj, name, &obj2, &prop))
+ return JS_FALSE;
+ if (!prop) {
+ js_ReportIsNotDefined(cx, name);
+ return JS_FALSE;
+ }
+ if (obj2 != obj || !OBJ_IS_NATIVE(obj)) {
+ OBJ_DROP_PROPERTY(cx, obj2, prop);
+ JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL, JSMSG_CANT_ALIAS,
+ alias, name, OBJ_GET_CLASS(cx, obj2)->name);
+ return JS_FALSE;
+ }
+ atom = js_Atomize(cx, alias, strlen(alias), 0);
+ if (!atom) {
+ ok = JS_FALSE;
+ } else {
+ sprop = (JSScopeProperty *)prop;
+ ok = (js_AddNativeProperty(cx, obj, (jsid)atom,
+ sprop->getter, sprop->setter, sprop->slot,
+ sprop->attrs, sprop->flags | SPROP_IS_ALIAS,
+ sprop->shortid)
+ != NULL);
+ }
+ OBJ_DROP_PROPERTY(cx, obj, prop);
+ return ok;
+}
+
+static jsval
+LookupResult(JSContext *cx, JSObject *obj, JSObject *obj2, JSProperty *prop)
+{
+ JSScopeProperty *sprop;
+ jsval rval;
+
+ if (!prop) {
+ /* XXX bad API: no way to tell "not defined" from "void value" */
+ return JSVAL_VOID;
+ }
+ if (OBJ_IS_NATIVE(obj2)) {
+ /* Peek at the native property's slot value, without doing a Get. */
+ sprop = (JSScopeProperty *)prop;
+ rval = SPROP_HAS_VALID_SLOT(sprop, OBJ_SCOPE(obj2))
+ ? LOCKED_OBJ_GET_SLOT(obj2, sprop->slot)
+ : JSVAL_TRUE;
+ } else {
+ /* XXX bad API: no way to return "defined but value unknown" */
+ rval = JSVAL_TRUE;
+ }
+ OBJ_DROP_PROPERTY(cx, obj2, prop);
+ return rval;
+}
+
+static JSBool
+GetPropertyAttributes(JSContext *cx, JSObject *obj, JSAtom *atom,
+ uintN *attrsp, JSBool *foundp)
+{
+ JSObject *obj2;
+ JSProperty *prop;
+ JSBool ok;
+
+ if (!atom)
+ return JS_FALSE;
+ if (!OBJ_LOOKUP_PROPERTY(cx, obj, (jsid)atom, &obj2, &prop))
+ return JS_FALSE;
+ if (!prop || obj != obj2) {
+ *foundp = JS_FALSE;
+ if (prop)
+ OBJ_DROP_PROPERTY(cx, obj2, prop);
+ return JS_TRUE;
+ }
+
+ *foundp = JS_TRUE;
+ ok = OBJ_GET_ATTRIBUTES(cx, obj, (jsid)atom, prop, attrsp);
+ OBJ_DROP_PROPERTY(cx, obj, prop);
+ return ok;
+}
+
+static JSBool
+SetPropertyAttributes(JSContext *cx, JSObject *obj, JSAtom *atom,
+ uintN attrs, JSBool *foundp)
+{
+ JSObject *obj2;
+ JSProperty *prop;
+ JSBool ok;
+
+ if (!atom)
+ return JS_FALSE;
+ if (!OBJ_LOOKUP_PROPERTY(cx, obj, (jsid)atom, &obj2, &prop))
+ return JS_FALSE;
+ if (!prop || obj != obj2) {
+ *foundp = JS_FALSE;
+ if (prop)
+ OBJ_DROP_PROPERTY(cx, obj2, prop);
+ return JS_TRUE;
+ }
+
+ *foundp = JS_TRUE;
+ ok = OBJ_SET_ATTRIBUTES(cx, obj, (jsid)atom, prop, &attrs);
+ OBJ_DROP_PROPERTY(cx, obj, prop);
+ return ok;
+}
+
+
+JS_PUBLIC_API(JSBool)
+JS_GetPropertyAttributes(JSContext *cx, JSObject *obj, const char *name,
+ uintN *attrsp, JSBool *foundp)
+{
+ CHECK_REQUEST(cx);
+ return GetPropertyAttributes(cx, obj,
+ js_Atomize(cx, name, strlen(name), 0),
+ attrsp, foundp);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_SetPropertyAttributes(JSContext *cx, JSObject *obj, const char *name,
+ uintN attrs, JSBool *foundp)
+{
+ CHECK_REQUEST(cx);
+ return SetPropertyAttributes(cx, obj,
+ js_Atomize(cx, name, strlen(name), 0),
+ attrs, foundp);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_LookupProperty(JSContext *cx, JSObject *obj, const char *name, jsval *vp)
+{
+ JSBool ok;
+ JSObject *obj2;
+ JSProperty *prop;
+
+ CHECK_REQUEST(cx);
+ ok = LookupProperty(cx, obj, name, &obj2, &prop);
+ if (ok)
+ *vp = LookupResult(cx, obj, obj2, prop);
+ return ok;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_GetProperty(JSContext *cx, JSObject *obj, const char *name, jsval *vp)
+{
+ JSAtom *atom;
+
+ CHECK_REQUEST(cx);
+ atom = js_Atomize(cx, name, strlen(name), 0);
+ if (!atom)
+ return JS_FALSE;
+ return OBJ_GET_PROPERTY(cx, obj, (jsid)atom, vp);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_SetProperty(JSContext *cx, JSObject *obj, const char *name, jsval *vp)
+{
+ JSAtom *atom;
+
+ CHECK_REQUEST(cx);
+ atom = js_Atomize(cx, name, strlen(name), 0);
+ if (!atom)
+ return JS_FALSE;
+ return OBJ_SET_PROPERTY(cx, obj, (jsid)atom, vp);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_DeleteProperty(JSContext *cx, JSObject *obj, const char *name)
+{
+ jsval junk;
+
+ CHECK_REQUEST(cx);
+ return JS_DeleteProperty2(cx, obj, name, &junk);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_DeleteProperty2(JSContext *cx, JSObject *obj, const char *name,
+ jsval *rval)
+{
+ JSAtom *atom;
+
+ CHECK_REQUEST(cx);
+ atom = js_Atomize(cx, name, strlen(name), 0);
+ if (!atom)
+ return JS_FALSE;
+ return OBJ_DELETE_PROPERTY(cx, obj, (jsid)atom, rval);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_DefineUCProperty(JSContext *cx, JSObject *obj,
+ const jschar *name, size_t namelen, jsval value,
+ JSPropertyOp getter, JSPropertyOp setter,
+ uintN attrs)
+{
+ CHECK_REQUEST(cx);
+ return DefineUCProperty(cx, obj, name, namelen, value, getter, setter,
+ attrs, 0, 0);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_GetUCPropertyAttributes(JSContext *cx, JSObject *obj,
+ const jschar *name, size_t namelen,
+ uintN *attrsp, JSBool *foundp)
+{
+ CHECK_REQUEST(cx);
+ return GetPropertyAttributes(cx, obj,
+ js_AtomizeChars(cx, name, AUTO_NAMELEN(name,namelen), 0),
+ attrsp, foundp);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_SetUCPropertyAttributes(JSContext *cx, JSObject *obj,
+ const jschar *name, size_t namelen,
+ uintN attrs, JSBool *foundp)
+{
+ CHECK_REQUEST(cx);
+ return SetPropertyAttributes(cx, obj,
+ js_AtomizeChars(cx, name, AUTO_NAMELEN(name,namelen), 0),
+ attrs, foundp);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_DefineUCPropertyWithTinyId(JSContext *cx, JSObject *obj,
+ const jschar *name, size_t namelen,
+ int8 tinyid, jsval value,
+ JSPropertyOp getter, JSPropertyOp setter,
+ uintN attrs)
+{
+ CHECK_REQUEST(cx);
+ return DefineUCProperty(cx, obj, name, namelen, value, getter, setter,
+ attrs, SPROP_HAS_SHORTID, tinyid);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_LookupUCProperty(JSContext *cx, JSObject *obj,
+ const jschar *name, size_t namelen,
+ jsval *vp)
+{
+ JSBool ok;
+ JSObject *obj2;
+ JSProperty *prop;
+
+ CHECK_REQUEST(cx);
+ ok = LookupUCProperty(cx, obj, name, namelen, &obj2, &prop);
+ if (ok)
+ *vp = LookupResult(cx, obj, obj2, prop);
+ return ok;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_GetUCProperty(JSContext *cx, JSObject *obj,
+ const jschar *name, size_t namelen,
+ jsval *vp)
+{
+ JSAtom *atom;
+
+ CHECK_REQUEST(cx);
+ atom = js_AtomizeChars(cx, name, AUTO_NAMELEN(name,namelen), 0);
+ if (!atom)
+ return JS_FALSE;
+ return OBJ_GET_PROPERTY(cx, obj, (jsid)atom, vp);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_SetUCProperty(JSContext *cx, JSObject *obj,
+ const jschar *name, size_t namelen,
+ jsval *vp)
+{
+ JSAtom *atom;
+
+ CHECK_REQUEST(cx);
+ atom = js_AtomizeChars(cx, name, AUTO_NAMELEN(name,namelen), 0);
+ if (!atom)
+ return JS_FALSE;
+ return OBJ_SET_PROPERTY(cx, obj, (jsid)atom, vp);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_DeleteUCProperty2(JSContext *cx, JSObject *obj,
+ const jschar *name, size_t namelen,
+ jsval *rval)
+{
+ JSAtom *atom;
+
+ CHECK_REQUEST(cx);
+ atom = js_AtomizeChars(cx, name, AUTO_NAMELEN(name,namelen), 0);
+ if (!atom)
+ return JS_FALSE;
+ return OBJ_DELETE_PROPERTY(cx, obj, (jsid)atom, rval);
+}
+
+JS_PUBLIC_API(JSObject *)
+JS_NewArrayObject(JSContext *cx, jsint length, jsval *vector)
+{
+ CHECK_REQUEST(cx);
+ /* NB: jsuint cast does ToUint32. */
+ return js_NewArrayObject(cx, (jsuint)length, vector);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_IsArrayObject(JSContext *cx, JSObject *obj)
+{
+ return OBJ_GET_CLASS(cx, obj) == &js_ArrayClass;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_GetArrayLength(JSContext *cx, JSObject *obj, jsuint *lengthp)
+{
+ CHECK_REQUEST(cx);
+ return js_GetLengthProperty(cx, obj, lengthp);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_SetArrayLength(JSContext *cx, JSObject *obj, jsuint length)
+{
+ CHECK_REQUEST(cx);
+ return js_SetLengthProperty(cx, obj, length);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_HasArrayLength(JSContext *cx, JSObject *obj, jsuint *lengthp)
+{
+ CHECK_REQUEST(cx);
+ return js_HasLengthProperty(cx, obj, lengthp);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_DefineElement(JSContext *cx, JSObject *obj, jsint index, jsval value,
+ JSPropertyOp getter, JSPropertyOp setter, uintN attrs)
+{
+ CHECK_REQUEST(cx);
+ return OBJ_DEFINE_PROPERTY(cx, obj, INT_TO_JSVAL(index), value,
+ getter, setter, attrs, NULL);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_AliasElement(JSContext *cx, JSObject *obj, const char *name, jsint alias)
+{
+ JSObject *obj2;
+ JSProperty *prop;
+ JSScopeProperty *sprop;
+ JSBool ok;
+
+ CHECK_REQUEST(cx);
+ if (!LookupProperty(cx, obj, name, &obj2, &prop))
+ return JS_FALSE;
+ if (!prop) {
+ js_ReportIsNotDefined(cx, name);
+ return JS_FALSE;
+ }
+ if (obj2 != obj || !OBJ_IS_NATIVE(obj)) {
+ char numBuf[12];
+ OBJ_DROP_PROPERTY(cx, obj2, prop);
+ JS_snprintf(numBuf, sizeof numBuf, "%ld", (long)alias);
+ JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL, JSMSG_CANT_ALIAS,
+ numBuf, name, OBJ_GET_CLASS(cx, obj2)->name);
+ return JS_FALSE;
+ }
+ sprop = (JSScopeProperty *)prop;
+ ok = (js_AddNativeProperty(cx, obj, INT_TO_JSVAL(alias),
+ sprop->getter, sprop->setter, sprop->slot,
+ sprop->attrs, sprop->flags | SPROP_IS_ALIAS,
+ sprop->shortid)
+ != NULL);
+ OBJ_DROP_PROPERTY(cx, obj, prop);
+ return ok;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_LookupElement(JSContext *cx, JSObject *obj, jsint index, jsval *vp)
+{
+ JSBool ok;
+ JSObject *obj2;
+ JSProperty *prop;
+
+ CHECK_REQUEST(cx);
+ ok = OBJ_LOOKUP_PROPERTY(cx, obj, INT_TO_JSVAL(index), &obj2, &prop);
+ if (ok)
+ *vp = LookupResult(cx, obj, obj2, prop);
+ return ok;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_GetElement(JSContext *cx, JSObject *obj, jsint index, jsval *vp)
+{
+ CHECK_REQUEST(cx);
+ return OBJ_GET_PROPERTY(cx, obj, INT_TO_JSVAL(index), vp);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_SetElement(JSContext *cx, JSObject *obj, jsint index, jsval *vp)
+{
+ CHECK_REQUEST(cx);
+ return OBJ_SET_PROPERTY(cx, obj, INT_TO_JSVAL(index), vp);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_DeleteElement(JSContext *cx, JSObject *obj, jsint index)
+{
+ jsval junk;
+
+ CHECK_REQUEST(cx);
+ return JS_DeleteElement2(cx, obj, index, &junk);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_DeleteElement2(JSContext *cx, JSObject *obj, jsint index, jsval *rval)
+{
+ CHECK_REQUEST(cx);
+ return OBJ_DELETE_PROPERTY(cx, obj, INT_TO_JSVAL(index), rval);
+}
+
+JS_PUBLIC_API(void)
+JS_ClearScope(JSContext *cx, JSObject *obj)
+{
+ CHECK_REQUEST(cx);
+
+ if (obj->map->ops->clear)
+ obj->map->ops->clear(cx, obj);
+}
+
+JS_PUBLIC_API(JSIdArray *)
+JS_Enumerate(JSContext *cx, JSObject *obj)
+{
+ jsint i, n;
+ jsval iter_state, num_properties;
+ jsid id;
+ JSIdArray *ida;
+ jsval *vector;
+
+ CHECK_REQUEST(cx);
+
+ ida = NULL;
+ iter_state = JSVAL_NULL;
+
+ /* Get the number of properties to enumerate. */
+ if (!OBJ_ENUMERATE(cx, obj, JSENUMERATE_INIT, &iter_state, &num_properties))
+ goto error;
+ if (!JSVAL_IS_INT(num_properties)) {
+ JS_ASSERT(0);
+ goto error;
+ }
+
+ /* Grow as needed if we don't know the exact amount ahead of time. */
+ n = JSVAL_TO_INT(num_properties);
+ if (n <= 0)
+ n = 8;
+
+ /* Create an array of jsids large enough to hold all the properties */
+ ida = js_NewIdArray(cx, n);
+ if (!ida)
+ goto error;
+
+ i = 0;
+ vector = &ida->vector[0];
+ for (;;) {
+ if (i == ida->length) {
+ /* Grow length by factor of 1.5 instead of doubling. */
+ jsint newlen = ida->length + (((jsuint)ida->length + 1) >> 1);
+ ida = js_GrowIdArray(cx, ida, newlen);
+ if (!ida)
+ goto error;
+ vector = &ida->vector[0];
+ }
+
+ if (!OBJ_ENUMERATE(cx, obj, JSENUMERATE_NEXT, &iter_state, &id))
+ goto error;
+
+ /* No more jsid's to enumerate ? */
+ if (iter_state == JSVAL_NULL)
+ break;
+ vector[i++] = id;
+ }
+ ida->length = i;
+ return ida;
+
+error:
+ if (iter_state != JSVAL_NULL)
+ OBJ_ENUMERATE(cx, obj, JSENUMERATE_DESTROY, &iter_state, 0);
+ if (ida)
+ JS_DestroyIdArray(cx, ida);
+ return NULL;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_CheckAccess(JSContext *cx, JSObject *obj, jsid id, JSAccessMode mode,
+ jsval *vp, uintN *attrsp)
+{
+ CHECK_REQUEST(cx);
+ return OBJ_CHECK_ACCESS(cx, obj, id, mode, vp, attrsp);
+}
+
+JS_PUBLIC_API(JSCheckAccessOp)
+JS_SetCheckObjectAccessCallback(JSRuntime *rt, JSCheckAccessOp acb)
+{
+ JSCheckAccessOp oldacb;
+
+ oldacb = rt->checkObjectAccess;
+ rt->checkObjectAccess = acb;
+ return oldacb;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_GetReservedSlot(JSContext *cx, JSObject *obj, uint32 index, jsval *vp)
+{
+ JSClass *clasp;
+ uint32 slot;
+
+ CHECK_REQUEST(cx);
+ clasp = OBJ_GET_CLASS(cx, obj);
+ if (index >= JSCLASS_RESERVED_SLOTS(clasp)) {
+ JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL,
+ JSMSG_RESERVED_SLOT_RANGE);
+ return JS_FALSE;
+ }
+ slot = JSSLOT_START(clasp) + index;
+ *vp = OBJ_GET_REQUIRED_SLOT(cx, obj, slot);
+ return JS_TRUE;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_SetReservedSlot(JSContext *cx, JSObject *obj, uint32 index, jsval v)
+{
+ JSClass *clasp;
+ uint32 slot;
+
+ CHECK_REQUEST(cx);
+ clasp = OBJ_GET_CLASS(cx, obj);
+ if (index >= JSCLASS_RESERVED_SLOTS(clasp)) {
+ JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL,
+ JSMSG_RESERVED_SLOT_RANGE);
+ return JS_FALSE;
+ }
+ slot = JSSLOT_START(clasp) + index;
+ OBJ_SET_REQUIRED_SLOT(cx, obj, slot, v);
+ return JS_TRUE;
+}
+
+#ifdef JS_THREADSAFE
+JS_PUBLIC_API(jsrefcount)
+JS_HoldPrincipals(JSContext *cx, JSPrincipals *principals)
+{
+ return JS_ATOMIC_INCREMENT(&principals->refcount);
+}
+
+JS_PUBLIC_API(jsrefcount)
+JS_DropPrincipals(JSContext *cx, JSPrincipals *principals)
+{
+ jsrefcount rc = JS_ATOMIC_DECREMENT(&principals->refcount);
+ if (rc == 0)
+ principals->destroy(cx, principals);
+ return rc;
+}
+#endif
+
+JS_PUBLIC_API(JSPrincipalsTranscoder)
+JS_SetPrincipalsTranscoder(JSRuntime *rt, JSPrincipalsTranscoder px)
+{
+ JSPrincipalsTranscoder oldpx;
+
+ oldpx = rt->principalsTranscoder;
+ rt->principalsTranscoder = px;
+ return oldpx;
+}
+
+JS_PUBLIC_API(JSObjectPrincipalsFinder)
+JS_SetObjectPrincipalsFinder(JSContext *cx, JSObjectPrincipalsFinder fop)
+{
+ JSObjectPrincipalsFinder oldfop;
+
+ oldfop = cx->findObjectPrincipals;
+ cx->findObjectPrincipals = fop;
+ return oldfop;
+}
+
+JS_PUBLIC_API(JSFunction *)
+JS_NewFunction(JSContext *cx, JSNative native, uintN nargs, uintN flags,
+ JSObject *parent, const char *name)
+{
+ JSAtom *atom;
+
+ CHECK_REQUEST(cx);
+
+ if (!name) {
+ atom = NULL;
+ } else {
+ atom = js_Atomize(cx, name, strlen(name), 0);
+ if (!atom)
+ return NULL;
+ }
+ return js_NewFunction(cx, NULL, native, nargs, flags, parent, atom);
+}
+
+JS_PUBLIC_API(JSObject *)
+JS_CloneFunctionObject(JSContext *cx, JSObject *funobj, JSObject *parent)
+{
+ CHECK_REQUEST(cx);
+ if (OBJ_GET_CLASS(cx, funobj) != &js_FunctionClass) {
+ /* Indicate we cannot clone this object. */
+ return funobj;
+ }
+ return js_CloneFunctionObject(cx, funobj, parent);
+}
+
+JS_PUBLIC_API(JSObject *)
+JS_GetFunctionObject(JSFunction *fun)
+{
+ return fun->object;
+}
+
+JS_PUBLIC_API(const char *)
+JS_GetFunctionName(JSFunction *fun)
+{
+ return fun->atom
+ ? JS_GetStringBytes(ATOM_TO_STRING(fun->atom))
+ : js_anonymous_str;
+}
+
+JS_PUBLIC_API(JSString *)
+JS_GetFunctionId(JSFunction *fun)
+{
+ return fun->atom ? ATOM_TO_STRING(fun->atom) : NULL;
+}
+
+JS_PUBLIC_API(uintN)
+JS_GetFunctionFlags(JSFunction *fun)
+{
+ return fun->flags;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_ObjectIsFunction(JSContext *cx, JSObject *obj)
+{
+ return OBJ_GET_CLASS(cx, obj) == &js_FunctionClass;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_DefineFunctions(JSContext *cx, JSObject *obj, JSFunctionSpec *fs)
+{
+ JSFunction *fun;
+
+ CHECK_REQUEST(cx);
+ for (; fs->name; fs++) {
+ fun = JS_DefineFunction(cx, obj, fs->name, fs->call, fs->nargs,
+ fs->flags);
+ if (!fun)
+ return JS_FALSE;
+ fun->extra = fs->extra;
+ }
+ return JS_TRUE;
+}
+
+JS_PUBLIC_API(JSFunction *)
+JS_DefineFunction(JSContext *cx, JSObject *obj, const char *name, JSNative call,
+ uintN nargs, uintN attrs)
+{
+ JSAtom *atom;
+
+ CHECK_REQUEST(cx);
+ atom = js_Atomize(cx, name, strlen(name), 0);
+ if (!atom)
+ return NULL;
+ return js_DefineFunction(cx, obj, atom, call, nargs, attrs);
+}
+
+static JSScript *
+CompileTokenStream(JSContext *cx, JSObject *obj, JSTokenStream *ts,
+ void *tempMark, JSBool *eofp)
+{
+ JSBool eof;
+ JSArenaPool codePool, notePool;
+ JSCodeGenerator cg;
+ JSScript *script;
+
+ CHECK_REQUEST(cx);
+ eof = JS_FALSE;
+ JS_InitArenaPool(&codePool, "code", 1024, sizeof(jsbytecode));
+ JS_InitArenaPool(&notePool, "note", 1024, sizeof(jssrcnote));
+ if (!js_InitCodeGenerator(cx, &cg, &codePool, &notePool,
+ ts->filename, ts->lineno,
+ ts->principals)) {
+ script = NULL;
+ } else if (!js_CompileTokenStream(cx, obj, ts, &cg)) {
+ script = NULL;
+ eof = (ts->flags & TSF_EOF) != 0;
+ } else {
+ script = js_NewScriptFromCG(cx, &cg, NULL);
+ }
+ if (eofp)
+ *eofp = eof;
+ if (!js_CloseTokenStream(cx, ts)) {
+ if (script)
+ js_DestroyScript(cx, script);
+ script = NULL;
+ }
+ cg.tempMark = tempMark;
+ js_FinishCodeGenerator(cx, &cg);
+ JS_FinishArenaPool(&codePool);
+ JS_FinishArenaPool(&notePool);
+ return script;
+}
+
+JS_PUBLIC_API(JSScript *)
+JS_CompileScript(JSContext *cx, JSObject *obj,
+ const char *bytes, size_t length,
+ const char *filename, uintN lineno)
+{
+ jschar *chars;
+ JSScript *script;
+
+ CHECK_REQUEST(cx);
+ chars = js_InflateString(cx, bytes, length);
+ if (!chars)
+ return NULL;
+ script = JS_CompileUCScript(cx, obj, chars, length, filename, lineno);
+ JS_free(cx, chars);
+ return script;
+}
+
+JS_PUBLIC_API(JSScript *)
+JS_CompileScriptForPrincipals(JSContext *cx, JSObject *obj,
+ JSPrincipals *principals,
+ const char *bytes, size_t length,
+ const char *filename, uintN lineno)
+{
+ jschar *chars;
+ JSScript *script;
+
+ CHECK_REQUEST(cx);
+ chars = js_InflateString(cx, bytes, length);
+ if (!chars)
+ return NULL;
+ script = JS_CompileUCScriptForPrincipals(cx, obj, principals,
+ chars, length, filename, lineno);
+ JS_free(cx, chars);
+ return script;
+}
+
+JS_PUBLIC_API(JSScript *)
+JS_CompileUCScript(JSContext *cx, JSObject *obj,
+ const jschar *chars, size_t length,
+ const char *filename, uintN lineno)
+{
+ CHECK_REQUEST(cx);
+ return JS_CompileUCScriptForPrincipals(cx, obj, NULL, chars, length,
+ filename, lineno);
+}
+
+JS_PUBLIC_API(JSScript *)
+JS_CompileUCScriptForPrincipals(JSContext *cx, JSObject *obj,
+ JSPrincipals *principals,
+ const jschar *chars, size_t length,
+ const char *filename, uintN lineno)
+{
+ void *mark;
+ JSTokenStream *ts;
+ JSScript *script;
+
+ CHECK_REQUEST(cx);
+ mark = JS_ARENA_MARK(&cx->tempPool);
+ ts = js_NewTokenStream(cx, chars, length, filename, lineno, principals);
+ if (!ts)
+ return NULL;
+ script = CompileTokenStream(cx, obj, ts, mark, NULL);
+#if JS_HAS_EXCEPTIONS
+ if (!script && !cx->fp)
+ js_ReportUncaughtException(cx);
+#endif
+ return script;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_BufferIsCompilableUnit(JSContext *cx, JSObject *obj,
+ const char *bytes, size_t length)
+{
+ jschar *chars;
+ JSBool result;
+ JSExceptionState *exnState;
+ void *tempMark;
+ JSTokenStream *ts;
+ JSErrorReporter older;
+
+ CHECK_REQUEST(cx);
+ chars = js_InflateString(cx, bytes, length);
+ if (!chars)
+ return JS_TRUE;
+
+ /*
+ * Return true on any out-of-memory error, so our caller doesn't try to
+ * collect more buffered source.
+ */
+ result = JS_TRUE;
+ exnState = JS_SaveExceptionState(cx);
+ tempMark = JS_ARENA_MARK(&cx->tempPool);
+ ts = js_NewTokenStream(cx, chars, length, NULL, 0, NULL);
+ if (ts) {
+ older = JS_SetErrorReporter(cx, NULL);
+ if (!js_ParseTokenStream(cx, obj, ts)) {
+ /*
+ * We ran into an error. If it was because we ran out of source,
+ * we return false, so our caller will know to try to collect more
+ * buffered source.
+ */
+ result = (ts->flags & TSF_EOF) == 0;
+ }
+
+ JS_SetErrorReporter(cx, older);
+ js_CloseTokenStream(cx, ts);
+ JS_ARENA_RELEASE(&cx->tempPool, tempMark);
+ }
+
+ JS_free(cx, chars);
+ JS_RestoreExceptionState(cx, exnState);
+ return result;
+}
+
+JS_PUBLIC_API(JSScript *)
+JS_CompileFile(JSContext *cx, JSObject *obj, const char *filename)
+{
+ void *mark;
+ JSTokenStream *ts;
+ JSScript *script;
+
+ CHECK_REQUEST(cx);
+ mark = JS_ARENA_MARK(&cx->tempPool);
+ ts = js_NewFileTokenStream(cx, filename, stdin);
+ if (!ts)
+ return NULL;
+ script = CompileTokenStream(cx, obj, ts, mark, NULL);
+#if JS_HAS_EXCEPTIONS
+ if (!script && !cx->fp)
+ js_ReportUncaughtException(cx);
+#endif
+ return script;
+}
+
+JS_PUBLIC_API(JSScript *)
+JS_CompileFileHandle(JSContext *cx, JSObject *obj, const char *filename,
+ FILE *file)
+{
+ return JS_CompileFileHandleForPrincipals(cx, obj, filename, file, NULL);
+}
+
+JS_PUBLIC_API(JSScript *)
+JS_CompileFileHandleForPrincipals(JSContext *cx, JSObject *obj,
+ const char *filename, FILE *file,
+ JSPrincipals *principals)
+{
+ void *mark;
+ JSTokenStream *ts;
+ JSScript *script;
+
+ CHECK_REQUEST(cx);
+ mark = JS_ARENA_MARK(&cx->tempPool);
+ ts = js_NewFileTokenStream(cx, NULL, file);
+ if (!ts)
+ return NULL;
+ ts->filename = filename;
+ /* XXXshaver js_NewFileTokenStream should do this, because it drops */
+ if (principals) {
+ ts->principals = principals;
+ JSPRINCIPALS_HOLD(cx, ts->principals);
+ }
+ script = CompileTokenStream(cx, obj, ts, mark, NULL);
+#if JS_HAS_EXCEPTIONS
+ if (!script && !cx->fp)
+ js_ReportUncaughtException(cx);
+#endif
+ return script;
+}
+
+JS_PUBLIC_API(JSObject *)
+JS_NewScriptObject(JSContext *cx, JSScript *script)
+{
+ JSObject *obj;
+
+ /*
+ * We use a dummy stack frame to protect the script from a GC caused
+ * by debugger-hook execution.
+ *
+ * XXX We really need a way to manage local roots and such more
+ * XXX automatically, at which point we can remove this one-off hack
+ * XXX and others within the engine. See bug 40757 for discussion.
+ */
+ JSStackFrame dummy;
+
+ CHECK_REQUEST(cx);
+
+ memset(&dummy, 0, sizeof dummy);
+ dummy.down = cx->fp;
+ dummy.script = script;
+ cx->fp = &dummy;
+
+ obj = js_NewObject(cx, &js_ScriptClass, NULL, NULL);
+
+ cx->fp = dummy.down;
+ if (!obj)
+ return NULL;
+
+ if (script) {
+ if (!JS_SetPrivate(cx, obj, script))
+ return NULL;
+ script->object = obj;
+ }
+ return obj;
+}
+
+JS_PUBLIC_API(JSObject *)
+JS_GetScriptObject(JSScript *script)
+{
+ return script->object;
+}
+
+JS_PUBLIC_API(void)
+JS_DestroyScript(JSContext *cx, JSScript *script)
+{
+ CHECK_REQUEST(cx);
+ js_DestroyScript(cx, script);
+}
+
+JS_PUBLIC_API(JSFunction *)
+JS_CompileFunction(JSContext *cx, JSObject *obj, const char *name,
+ uintN nargs, const char **argnames,
+ const char *bytes, size_t length,
+ const char *filename, uintN lineno)
+{
+ jschar *chars;
+ JSFunction *fun;
+
+ CHECK_REQUEST(cx);
+ chars = js_InflateString(cx, bytes, length);
+ if (!chars)
+ return NULL;
+ fun = JS_CompileUCFunction(cx, obj, name, nargs, argnames, chars, length,
+ filename, lineno);
+ JS_free(cx, chars);
+ return fun;
+}
+
+JS_PUBLIC_API(JSFunction *)
+JS_CompileFunctionForPrincipals(JSContext *cx, JSObject *obj,
+ JSPrincipals *principals, const char *name,
+ uintN nargs, const char **argnames,
+ const char *bytes, size_t length,
+ const char *filename, uintN lineno)
+{
+ jschar *chars;
+ JSFunction *fun;
+
+ CHECK_REQUEST(cx);
+ chars = js_InflateString(cx, bytes, length);
+ if (!chars)
+ return NULL;
+ fun = JS_CompileUCFunctionForPrincipals(cx, obj, principals, name,
+ nargs, argnames, chars, length,
+ filename, lineno);
+ JS_free(cx, chars);
+ return fun;
+}
+
+JS_PUBLIC_API(JSFunction *)
+JS_CompileUCFunction(JSContext *cx, JSObject *obj, const char *name,
+ uintN nargs, const char **argnames,
+ const jschar *chars, size_t length,
+ const char *filename, uintN lineno)
+{
+ CHECK_REQUEST(cx);
+ return JS_CompileUCFunctionForPrincipals(cx, obj, NULL, name,
+ nargs, argnames,
+ chars, length,
+ filename, lineno);
+}
+
+JS_PUBLIC_API(JSFunction *)
+JS_CompileUCFunctionForPrincipals(JSContext *cx, JSObject *obj,
+ JSPrincipals *principals, const char *name,
+ uintN nargs, const char **argnames,
+ const jschar *chars, size_t length,
+ const char *filename, uintN lineno)
+{
+ void *mark;
+ JSTokenStream *ts;
+ JSFunction *fun;
+ JSAtom *funAtom, *argAtom;
+ uintN i;
+
+ CHECK_REQUEST(cx);
+ mark = JS_ARENA_MARK(&cx->tempPool);
+ ts = js_NewTokenStream(cx, chars, length, filename, lineno, principals);
+ if (!ts) {
+ fun = NULL;
+ goto out;
+ }
+ if (!name) {
+ funAtom = NULL;
+ } else {
+ funAtom = js_Atomize(cx, name, strlen(name), 0);
+ if (!funAtom) {
+ fun = NULL;
+ goto out;
+ }
+ }
+ fun = js_NewFunction(cx, NULL, NULL, nargs, 0, obj, funAtom);
+ if (!fun)
+ goto out;
+ if (nargs) {
+ for (i = 0; i < nargs; i++) {
+ argAtom = js_Atomize(cx, argnames[i], strlen(argnames[i]), 0);
+ if (!argAtom)
+ break;
+ if (!js_AddNativeProperty(cx, fun->object, (jsid)argAtom,
+ js_GetArgument, js_SetArgument,
+ SPROP_INVALID_SLOT,
+ JSPROP_ENUMERATE | JSPROP_PERMANENT |
+ JSPROP_SHARED,
+ SPROP_HAS_SHORTID, i)) {
+ break;
+ }
+ }
+ if (i < nargs) {
+ fun = NULL;
+ goto out;
+ }
+ }
+ if (!js_CompileFunctionBody(cx, ts, fun)) {
+ fun = NULL;
+ goto out;
+ }
+ if (obj && funAtom) {
+ if (!OBJ_DEFINE_PROPERTY(cx, obj, (jsid)funAtom,
+ OBJECT_TO_JSVAL(fun->object),
+ NULL, NULL, 0, NULL)) {
+ return NULL;
+ }
+ }
+out:
+ if (ts)
+ js_CloseTokenStream(cx, ts);
+ JS_ARENA_RELEASE(&cx->tempPool, mark);
+#if JS_HAS_EXCEPTIONS
+ if (!fun && !cx->fp)
+ js_ReportUncaughtException(cx);
+#endif
+ return fun;
+}
+
+JS_PUBLIC_API(JSString *)
+JS_DecompileScript(JSContext *cx, JSScript *script, const char *name,
+ uintN indent)
+{
+ JSPrinter *jp;
+ JSString *str;
+
+ CHECK_REQUEST(cx);
+ jp = js_NewPrinter(cx, name,
+ indent & ~JS_DONT_PRETTY_PRINT,
+ !(indent & JS_DONT_PRETTY_PRINT));
+ if (!jp)
+ return NULL;
+ if (js_DecompileScript(jp, script))
+ str = js_GetPrinterOutput(jp);
+ else
+ str = NULL;
+ js_DestroyPrinter(jp);
+ return str;
+}
+
+JS_PUBLIC_API(JSString *)
+JS_DecompileFunction(JSContext *cx, JSFunction *fun, uintN indent)
+{
+ JSPrinter *jp;
+ JSString *str;
+
+ CHECK_REQUEST(cx);
+ jp = js_NewPrinter(cx, JS_GetFunctionName(fun),
+ indent & ~JS_DONT_PRETTY_PRINT,
+ !(indent & JS_DONT_PRETTY_PRINT));
+ if (!jp)
+ return NULL;
+ if (js_DecompileFunction(jp, fun))
+ str = js_GetPrinterOutput(jp);
+ else
+ str = NULL;
+ js_DestroyPrinter(jp);
+ return str;
+}
+
+JS_PUBLIC_API(JSString *)
+JS_DecompileFunctionBody(JSContext *cx, JSFunction *fun, uintN indent)
+{
+ JSPrinter *jp;
+ JSString *str;
+
+ CHECK_REQUEST(cx);
+ jp = js_NewPrinter(cx, JS_GetFunctionName(fun),
+ indent & ~JS_DONT_PRETTY_PRINT,
+ !(indent & JS_DONT_PRETTY_PRINT));
+ if (!jp)
+ return NULL;
+ if (js_DecompileFunctionBody(jp, fun))
+ str = js_GetPrinterOutput(jp);
+ else
+ str = NULL;
+ js_DestroyPrinter(jp);
+ return str;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_ExecuteScript(JSContext *cx, JSObject *obj, JSScript *script, jsval *rval)
+{
+ CHECK_REQUEST(cx);
+ if (!js_Execute(cx, obj, script, NULL, 0, rval)) {
+#if JS_HAS_EXCEPTIONS
+ if (!cx->fp)
+ js_ReportUncaughtException(cx);
+#endif
+ return JS_FALSE;
+ }
+ return JS_TRUE;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_ExecuteScriptPart(JSContext *cx, JSObject *obj, JSScript *script,
+ JSExecPart part, jsval *rval)
+{
+ JSScript tmp;
+ JSRuntime *rt;
+ JSBool ok;
+
+ /* Make a temporary copy of the JSScript structure and farble it a bit. */
+ tmp = *script;
+ if (part == JSEXEC_PROLOG) {
+ tmp.length = PTRDIFF(tmp.main, tmp.code, jsbytecode);
+ } else {
+ tmp.length -= PTRDIFF(tmp.main, tmp.code, jsbytecode);
+ tmp.code = tmp.main;
+ }
+
+ /* Tell the debugger about our temporary copy of the script structure. */
+ rt = cx->runtime;
+ if (rt->newScriptHook) {
+ rt->newScriptHook(cx, tmp.filename, tmp.lineno, &tmp, NULL,
+ rt->newScriptHookData);
+ }
+
+ /* Execute the farbled struct and tell the debugger to forget about it. */
+ ok = JS_ExecuteScript(cx, obj, &tmp, rval);
+ if (rt->destroyScriptHook)
+ rt->destroyScriptHook(cx, &tmp, rt->destroyScriptHookData);
+ return ok;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_EvaluateScript(JSContext *cx, JSObject *obj,
+ const char *bytes, uintN length,
+ const char *filename, uintN lineno,
+ jsval *rval)
+{
+ jschar *chars;
+ JSBool ok;
+
+ CHECK_REQUEST(cx);
+ chars = js_InflateString(cx, bytes, length);
+ if (!chars)
+ return JS_FALSE;
+ ok = JS_EvaluateUCScript(cx, obj, chars, length, filename, lineno, rval);
+ JS_free(cx, chars);
+ return ok;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_EvaluateScriptForPrincipals(JSContext *cx, JSObject *obj,
+ JSPrincipals *principals,
+ const char *bytes, uintN length,
+ const char *filename, uintN lineno,
+ jsval *rval)
+{
+ jschar *chars;
+ JSBool ok;
+
+ CHECK_REQUEST(cx);
+ chars = js_InflateString(cx, bytes, length);
+ if (!chars)
+ return JS_FALSE;
+ ok = JS_EvaluateUCScriptForPrincipals(cx, obj, principals, chars, length,
+ filename, lineno, rval);
+ JS_free(cx, chars);
+ return ok;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_EvaluateUCScript(JSContext *cx, JSObject *obj,
+ const jschar *chars, uintN length,
+ const char *filename, uintN lineno,
+ jsval *rval)
+{
+ CHECK_REQUEST(cx);
+ return JS_EvaluateUCScriptForPrincipals(cx, obj, NULL, chars, length,
+ filename, lineno, rval);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_EvaluateUCScriptForPrincipals(JSContext *cx, JSObject *obj,
+ JSPrincipals *principals,
+ const jschar *chars, uintN length,
+ const char *filename, uintN lineno,
+ jsval *rval)
+{
+ JSScript *script;
+ JSBool ok;
+
+ CHECK_REQUEST(cx);
+ script = JS_CompileUCScriptForPrincipals(cx, obj, principals, chars, length,
+ filename, lineno);
+ if (!script)
+ return JS_FALSE;
+ ok = js_Execute(cx, obj, script, NULL, 0, rval);
+#if JS_HAS_EXCEPTIONS
+ if (!ok && !cx->fp)
+ js_ReportUncaughtException(cx);
+#endif
+ JS_DestroyScript(cx, script);
+ return ok;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_CallFunction(JSContext *cx, JSObject *obj, JSFunction *fun, uintN argc,
+ jsval *argv, jsval *rval)
+{
+ CHECK_REQUEST(cx);
+ if (!js_InternalCall(cx, obj, OBJECT_TO_JSVAL(fun->object), argc, argv,
+ rval)) {
+#if JS_HAS_EXCEPTIONS
+ if (!cx->fp)
+ js_ReportUncaughtException(cx);
+#endif
+ return JS_FALSE;
+ }
+ return JS_TRUE;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_CallFunctionName(JSContext *cx, JSObject *obj, const char *name, uintN argc,
+ jsval *argv, jsval *rval)
+{
+ jsval fval;
+
+ CHECK_REQUEST(cx);
+ if (!JS_GetProperty(cx, obj, name, &fval))
+ return JS_FALSE;
+ if (!js_InternalCall(cx, obj, fval, argc, argv, rval)) {
+#if JS_HAS_EXCEPTIONS
+ if (!cx->fp)
+ js_ReportUncaughtException(cx);
+#endif
+ return JS_FALSE;
+ }
+ return JS_TRUE;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_CallFunctionValue(JSContext *cx, JSObject *obj, jsval fval, uintN argc,
+ jsval *argv, jsval *rval)
+{
+ CHECK_REQUEST(cx);
+ if (!js_InternalCall(cx, obj, fval, argc, argv, rval)) {
+#if JS_HAS_EXCEPTIONS
+ if (!cx->fp)
+ js_ReportUncaughtException(cx);
+#endif
+ return JS_FALSE;
+ }
+ return JS_TRUE;
+}
+
+JS_PUBLIC_API(JSBranchCallback)
+JS_SetBranchCallback(JSContext *cx, JSBranchCallback cb)
+{
+ JSBranchCallback oldcb;
+
+ oldcb = cx->branchCallback;
+ cx->branchCallback = cb;
+ return oldcb;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_IsRunning(JSContext *cx)
+{
+ return cx->fp != NULL;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_IsConstructing(JSContext *cx)
+{
+ return cx->fp && (cx->fp->flags & JSFRAME_CONSTRUCTING);
+}
+
+JS_FRIEND_API(JSBool)
+JS_IsAssigning(JSContext *cx)
+{
+ JSStackFrame *fp;
+ jsbytecode *pc;
+
+ for (fp = cx->fp; fp && !fp->script; fp = fp->down)
+ continue;
+ if (!fp || !(pc = fp->pc))
+ return JS_FALSE;
+ return (js_CodeSpec[*pc].format & JOF_ASSIGNING) != 0;
+}
+
+JS_PUBLIC_API(void)
+JS_SetCallReturnValue2(JSContext *cx, jsval v)
+{
+#if JS_HAS_LVALUE_RETURN
+ cx->rval2 = v;
+ cx->rval2set = JS_TRUE;
+#endif
+}
+
+/************************************************************************/
+
+JS_PUBLIC_API(JSString *)
+JS_NewString(JSContext *cx, char *bytes, size_t length)
+{
+ jschar *chars;
+ JSString *str;
+
+ CHECK_REQUEST(cx);
+ /* Make a Unicode vector from the 8-bit char codes in bytes. */
+ chars = js_InflateString(cx, bytes, length);
+ if (!chars)
+ return NULL;
+
+ /* Free chars (but not bytes, which caller frees on error) if we fail. */
+ str = js_NewString(cx, chars, length, 0);
+ if (!str) {
+ JS_free(cx, chars);
+ return NULL;
+ }
+
+ /* Hand off bytes to the deflated string cache, if possible. */
+ if (!js_SetStringBytes(str, bytes, length))
+ JS_free(cx, bytes);
+ return str;
+}
+
+JS_PUBLIC_API(JSString *)
+JS_NewStringCopyN(JSContext *cx, const char *s, size_t n)
+{
+ jschar *js;
+ JSString *str;
+
+ CHECK_REQUEST(cx);
+ js = js_InflateString(cx, s, n);
+ if (!js)
+ return NULL;
+ str = js_NewString(cx, js, n, 0);
+ if (!str)
+ JS_free(cx, js);
+ return str;
+}
+
+JS_PUBLIC_API(JSString *)
+JS_NewStringCopyZ(JSContext *cx, const char *s)
+{
+ size_t n;
+ jschar *js;
+ JSString *str;
+
+ CHECK_REQUEST(cx);
+ if (!s)
+ return cx->runtime->emptyString;
+ n = strlen(s);
+ js = js_InflateString(cx, s, n);
+ if (!js)
+ return NULL;
+ str = js_NewString(cx, js, n, 0);
+ if (!str)
+ JS_free(cx, js);
+ return str;
+}
+
+JS_PUBLIC_API(JSString *)
+JS_InternString(JSContext *cx, const char *s)
+{
+ JSAtom *atom;
+
+ CHECK_REQUEST(cx);
+ atom = js_Atomize(cx, s, strlen(s), ATOM_INTERNED);
+ if (!atom)
+ return NULL;
+ return ATOM_TO_STRING(atom);
+}
+
+JS_PUBLIC_API(JSString *)
+JS_NewUCString(JSContext *cx, jschar *chars, size_t length)
+{
+ CHECK_REQUEST(cx);
+ return js_NewString(cx, chars, length, 0);
+}
+
+JS_PUBLIC_API(JSString *)
+JS_NewUCStringCopyN(JSContext *cx, const jschar *s, size_t n)
+{
+ CHECK_REQUEST(cx);
+ return js_NewStringCopyN(cx, s, n, 0);
+}
+
+JS_PUBLIC_API(JSString *)
+JS_NewUCStringCopyZ(JSContext *cx, const jschar *s)
+{
+ CHECK_REQUEST(cx);
+ if (!s)
+ return cx->runtime->emptyString;
+ return js_NewStringCopyZ(cx, s, 0);
+}
+
+JS_PUBLIC_API(JSString *)
+JS_InternUCStringN(JSContext *cx, const jschar *s, size_t length)
+{
+ JSAtom *atom;
+
+ CHECK_REQUEST(cx);
+ atom = js_AtomizeChars(cx, s, length, ATOM_INTERNED);
+ if (!atom)
+ return NULL;
+ return ATOM_TO_STRING(atom);
+}
+
+JS_PUBLIC_API(JSString *)
+JS_InternUCString(JSContext *cx, const jschar *s)
+{
+ return JS_InternUCStringN(cx, s, js_strlen(s));
+}
+
+JS_PUBLIC_API(char *)
+JS_GetStringBytes(JSString *str)
+{
+ char *bytes;
+
+ bytes = js_GetStringBytes(str);
+ return bytes ? bytes : "";
+}
+
+JS_PUBLIC_API(jschar *)
+JS_GetStringChars(JSString *str)
+{
+ /*
+ * API botch (again, shades of JS_GetStringBytes): we have no cx to pass
+ * to js_UndependString (called by js_GetStringChars) for out-of-memory
+ * error reports, so js_UndependString passes NULL and suppresses errors.
+ * If it fails to convert a dependent string into an independent one, our
+ * caller will not be guaranteed a \u0000 terminator as a backstop. This
+ * may break some clients who already misbehave on embedded NULs.
+ *
+ * The gain of dependent strings, which cure quadratic and cubic growth
+ * rate bugs in string concatenation, is worth this slight loss in API
+ * compatibility.
+ */
+ jschar *chars;
+
+ chars = js_GetStringChars(str);
+ return chars ? chars : JSSTRING_CHARS(str);
+}
+
+JS_PUBLIC_API(size_t)
+JS_GetStringLength(JSString *str)
+{
+ return JSSTRING_LENGTH(str);
+}
+
+JS_PUBLIC_API(intN)
+JS_CompareStrings(JSString *str1, JSString *str2)
+{
+ return js_CompareStrings(str1, str2);
+}
+
+JS_PUBLIC_API(JSString *)
+JS_NewGrowableString(JSContext *cx, jschar *chars, size_t length)
+{
+ CHECK_REQUEST(cx);
+ return js_NewString(cx, chars, length, GCF_MUTABLE);
+}
+
+JS_PUBLIC_API(JSString *)
+JS_NewDependentString(JSContext *cx, JSString *str, size_t start,
+ size_t length)
+{
+ CHECK_REQUEST(cx);
+ return js_NewDependentString(cx, str, start, length, 0);
+}
+
+JS_PUBLIC_API(JSString *)
+JS_ConcatStrings(JSContext *cx, JSString *left, JSString *right)
+{
+ CHECK_REQUEST(cx);
+ return js_ConcatStrings(cx, left, right);
+}
+
+JS_PUBLIC_API(const jschar *)
+JS_UndependString(JSContext *cx, JSString *str)
+{
+ CHECK_REQUEST(cx);
+ return js_UndependString(cx, str);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_MakeStringImmutable(JSContext *cx, JSString *str)
+{
+ CHECK_REQUEST(cx);
+ if (!js_UndependString(cx, str))
+ return JS_FALSE;
+
+ *js_GetGCThingFlags(str) &= ~GCF_MUTABLE;
+ return JS_TRUE;
+}
+
+/************************************************************************/
+
+JS_PUBLIC_API(void)
+JS_ReportError(JSContext *cx, const char *format, ...)
+{
+ va_list ap;
+
+ va_start(ap, format);
+ js_ReportErrorVA(cx, JSREPORT_ERROR, format, ap);
+ va_end(ap);
+}
+
+JS_PUBLIC_API(void)
+JS_ReportErrorNumber(JSContext *cx, JSErrorCallback errorCallback,
+ void *userRef, const uintN errorNumber, ...)
+{
+ va_list ap;
+
+ va_start(ap, errorNumber);
+ js_ReportErrorNumberVA(cx, JSREPORT_ERROR, errorCallback, userRef,
+ errorNumber, JS_TRUE, ap);
+ va_end(ap);
+}
+
+JS_PUBLIC_API(void)
+JS_ReportErrorNumberUC(JSContext *cx, JSErrorCallback errorCallback,
+ void *userRef, const uintN errorNumber, ...)
+{
+ va_list ap;
+
+ va_start(ap, errorNumber);
+ js_ReportErrorNumberVA(cx, JSREPORT_ERROR, errorCallback, userRef,
+ errorNumber, JS_FALSE, ap);
+ va_end(ap);
+}
+
+JS_PUBLIC_API(JSBool)
+JS_ReportWarning(JSContext *cx, const char *format, ...)
+{
+ va_list ap;
+ JSBool ok;
+
+ va_start(ap, format);
+ ok = js_ReportErrorVA(cx, JSREPORT_WARNING, format, ap);
+ va_end(ap);
+ return ok;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_ReportErrorFlagsAndNumber(JSContext *cx, uintN flags,
+ JSErrorCallback errorCallback, void *userRef,
+ const uintN errorNumber, ...)
+{
+ va_list ap;
+ JSBool ok;
+
+ va_start(ap, errorNumber);
+ ok = js_ReportErrorNumberVA(cx, flags, errorCallback, userRef,
+ errorNumber, JS_TRUE, ap);
+ va_end(ap);
+ return ok;
+}
+
+JS_PUBLIC_API(JSBool)
+JS_ReportErrorFlagsAndNumberUC(JSContext *cx, uintN flags,
+ JSErrorCallback errorCallback, void *userRef,
+ const uintN errorNumber, ...)
+{
+ va_list ap;
+ JSBool ok;
+
+ va_start(ap, errorNumber);
+ ok = js_ReportErrorNumberVA(cx, flags, errorCallback, userRef,
+ errorNumber, JS_FALSE, ap);
+ va_end(ap);
+ return ok;
+}
+
+JS_PUBLIC_API(void)
+JS_ReportOutOfMemory(JSContext *cx)
+{
+ js_ReportOutOfMemory(cx, js_GetErrorMessage);
+}
+
+JS_PUBLIC_API(JSErrorReporter)
+JS_SetErrorReporter(JSContext *cx, JSErrorReporter er)
+{
+ JSErrorReporter older;
+
+ older = cx->errorReporter;
+ cx->errorReporter = er;
+ return older;
+}
+
+/************************************************************************/
+
+/*
+ * Regular Expressions.
+ */
+JS_PUBLIC_API(JSObject *)
+JS_NewRegExpObject(JSContext *cx, char *bytes, size_t length, uintN flags)
+{
+#if JS_HAS_REGEXPS
+ jschar *chars;
+ JSObject *obj;
+
+ CHECK_REQUEST(cx);
+ chars = js_InflateString(cx, bytes, length);
+ if (!chars)
+ return NULL;
+ obj = js_NewRegExpObject(cx, NULL, chars, length, flags);
+ JS_free(cx, chars);
+ return obj;
+#else
+ JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL, JSMSG_NO_REG_EXPS);
+ return NULL;
+#endif
+}
+
+JS_PUBLIC_API(JSObject *)
+JS_NewUCRegExpObject(JSContext *cx, jschar *chars, size_t length, uintN flags)
+{
+ CHECK_REQUEST(cx);
+#if JS_HAS_REGEXPS
+ return js_NewRegExpObject(cx, NULL, chars, length, flags);
+#else
+ JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL, JSMSG_NO_REG_EXPS);
+ return NULL;
+#endif
+}
+
+JS_PUBLIC_API(void)
+JS_SetRegExpInput(JSContext *cx, JSString *input, JSBool multiline)
+{
+ JSRegExpStatics *res;
+
+ CHECK_REQUEST(cx);
+ /* No locking required, cx is thread-private and input must be live. */
+ res = &cx->regExpStatics;
+ res->input = input;
+ res->multiline = multiline;
+ cx->runtime->gcPoke = JS_TRUE;
+}
+
+JS_PUBLIC_API(void)
+JS_ClearRegExpStatics(JSContext *cx)
+{
+ JSRegExpStatics *res;
+
+ /* No locking required, cx is thread-private and input must be live. */
+ res = &cx->regExpStatics;
+ res->input = NULL;
+ res->multiline = JS_FALSE;
+ res->parenCount = 0;
+ res->lastMatch = res->lastParen = js_EmptySubString;
+ res->leftContext = res->rightContext = js_EmptySubString;
+ cx->runtime->gcPoke = JS_TRUE;
+}
+
+JS_PUBLIC_API(void)
+JS_ClearRegExpRoots(JSContext *cx)
+{
+ JSRegExpStatics *res;
+
+ /* No locking required, cx is thread-private and input must be live. */
+ res = &cx->regExpStatics;
+ res->input = NULL;
+ cx->runtime->gcPoke = JS_TRUE;
+}
+
+/* TODO: compile, execute, get/set other statics... */
+
+/************************************************************************/
+
+JS_PUBLIC_API(void)
+JS_SetLocaleCallbacks(JSContext *cx, JSLocaleCallbacks *callbacks)
+{
+ cx->localeCallbacks = callbacks;
+}
+
+JS_PUBLIC_API(JSLocaleCallbacks *)
+JS_GetLocaleCallbacks(JSContext *cx)
+{
+ return cx->localeCallbacks;
+}
+
+/************************************************************************/
+
+JS_PUBLIC_API(JSBool)
+JS_IsExceptionPending(JSContext *cx)
+{
+#if JS_HAS_EXCEPTIONS
+ return (JSBool) cx->throwing;
+#else
+ return JS_FALSE;
+#endif
+}
+
+JS_PUBLIC_API(JSBool)
+JS_GetPendingException(JSContext *cx, jsval *vp)
+{
+#if JS_HAS_EXCEPTIONS
+ CHECK_REQUEST(cx);
+ if (!cx->throwing)
+ return JS_FALSE;
+ *vp = cx->exception;
+ return JS_TRUE;
+#else
+ return JS_FALSE;
+#endif
+}
+
+JS_PUBLIC_API(void)
+JS_SetPendingException(JSContext *cx, jsval v)
+{
+ CHECK_REQUEST(cx);
+#if JS_HAS_EXCEPTIONS
+ cx->throwing = JS_TRUE;
+ cx->exception = v;
+#endif
+}
+
+JS_PUBLIC_API(void)
+JS_ClearPendingException(JSContext *cx)
+{
+#if JS_HAS_EXCEPTIONS
+ cx->throwing = JS_FALSE;
+ cx->exception = JSVAL_VOID;
+#endif
+}
+
+#if JS_HAS_EXCEPTIONS
+struct JSExceptionState {
+ JSBool throwing;
+ jsval exception;
+};
+#endif
+
+JS_PUBLIC_API(JSExceptionState *)
+JS_SaveExceptionState(JSContext *cx)
+{
+#if JS_HAS_EXCEPTIONS
+ JSExceptionState *state;
+
+ CHECK_REQUEST(cx);
+ state = (JSExceptionState *) JS_malloc(cx, sizeof(JSExceptionState));
+ if (state) {
+ state->throwing = JS_GetPendingException(cx, &state->exception);
+ if (state->throwing && JSVAL_IS_GCTHING(state->exception))
+ js_AddRoot(cx, &state->exception, "JSExceptionState.exception");
+ }
+ return state;
+#else
+ return NULL;
+#endif
+}
+
+JS_PUBLIC_API(void)
+JS_RestoreExceptionState(JSContext *cx, JSExceptionState *state)
+{
+#if JS_HAS_EXCEPTIONS
+ CHECK_REQUEST(cx);
+ if (state) {
+ if (state->throwing)
+ JS_SetPendingException(cx, state->exception);
+ else
+ JS_ClearPendingException(cx);
+ JS_DropExceptionState(cx, state);
+ }
+#endif
+}
+
+JS_PUBLIC_API(void)
+JS_DropExceptionState(JSContext *cx, JSExceptionState *state)
+{
+#if JS_HAS_EXCEPTIONS
+ CHECK_REQUEST(cx);
+ if (state) {
+ if (state->throwing && JSVAL_IS_GCTHING(state->exception))
+ JS_RemoveRoot(cx, &state->exception);
+ JS_free(cx, state);
+ }
+#endif
+}
+
+JS_PUBLIC_API(JSErrorReport *)
+JS_ErrorFromException(JSContext *cx, jsval v)
+{
+#if JS_HAS_EXCEPTIONS
+ CHECK_REQUEST(cx);
+ return js_ErrorFromException(cx, v);
+#else
+ return NULL;
+#endif
+}
+
+#ifdef JS_THREADSAFE
+JS_PUBLIC_API(jsword)
+JS_GetContextThread(JSContext *cx)
+{
+ return cx->thread;
+}
+
+JS_PUBLIC_API(jsword)
+JS_SetContextThread(JSContext *cx)
+{
+ intN old = cx->thread;
+ cx->thread = js_CurrentThreadId();
+ return old;
+}
+
+JS_PUBLIC_API(intN)
+JS_ClearContextThread(JSContext *cx)
+{
+ intN old = cx->thread;
+ cx->thread = 0;
+ return old;
+}
+#endif
+
+/************************************************************************/
+
+#if defined(XP_WIN)
+#include <windows.h>
+/*
+ * Initialization routine for the JS DLL...
+ */
+
+/*
+ * Global Instance handle...
+ * In Win32 this is the module handle of the DLL.
+ *
+ * In Win16 this is the instance handle of the application
+ * which loaded the DLL.
+ */
+
+#ifdef _WIN32
+BOOL WINAPI DllMain (HINSTANCE hDLL, DWORD dwReason, LPVOID lpReserved)
+{
+ return TRUE;
+}
+
+#else /* !_WIN32 */
+
+int CALLBACK LibMain( HINSTANCE hInst, WORD wDataSeg,
+ WORD cbHeapSize, LPSTR lpszCmdLine )
+{
+ return TRUE;
+}
+
+BOOL CALLBACK __loadds WEP(BOOL fSystemExit)
+{
+ return TRUE;
+}
+
+#endif /* !_WIN32 */
+#endif /* XP_WIN */
generated by cgit v1.2.3 (git 2.25.1) at 2026-05-19 18:51:32 +0000