386 lines
10 KiB
C
386 lines
10 KiB
C
/*
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* Copyright 2012 Vincent Sanders <vince@netsurf-browser.org>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** \file
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* spidermonkey jsapi compatability glue.
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*/
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#ifndef _NETSURF_JAVASCRIPT_JSAPI_H_
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#define _NETSURF_JAVASCRIPT_JSAPI_H_
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#ifdef WITH_MOZJS
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#include "js/jsapi.h"
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#else
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#include "mozjs/jsapi.h"
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#endif
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#if JS_VERSION < 180
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/************************** Spidermonkey 1.7.0 **************************/
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#include <string.h>
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#ifndef JSVERSION_LATEST
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#define JSVERSION_LATEST JS_VERSION
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#endif
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#ifndef JSOPTION_JIT
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#define JSOPTION_JIT 0
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#endif
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/* *CAUTION* these native function macros introduce and use jsapi_this
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* and jsapi_rval variables, native function code should not conflict
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* with these
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*/
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/* native function definition with five parameters */
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#define JSAPI_FUNC(name, cx, argc, vp) \
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jsapi_func_##name(cx, JSObject *jsapi_this, argc, vp, jsval *jsapi_rval)
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/* native function return value - No macro available */
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#define JSAPI_FUNC_RVAL(cx, vp) (jsapi_rval)
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/* native function return value setter - No macro available */
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#define JSAPI_FUNC_SET_RVAL(cx, vp, v) (*jsapi_rval = (v))
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/* arguments */
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#define JSAPI_FUNC_ARGV(cx, vp) (vp)
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/* check if a jsval is an object */
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#define JSAPI_JSVAL_IS_OBJECT(v) JSVAL_IS_OBJECT(v)
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/* native function specifier with five parameters and no JS_FS macro */
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#define JSAPI_FS(name, nargs, flags) \
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{ #name, jsapi_func_##name, nargs, flags, 0 }
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/* native function specifier list end */
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#define JSAPI_FS_END { NULL, NULL, 0, 0, 0 }
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/* native proprty definition */
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#define JSAPI_PROP(name, cx, obj, vp) \
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jsapi_property_##name(cx, obj, jsval jsapi_id, vp)
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#define JSAPI_STRICTPROP JSAPI_PROP
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/* native property return value */
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#define JSAPI_PROP_RVAL(cx, vp) (*(vp))
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/* native property getter return value */
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#define JSAPI_PROP_SET_RVAL(cx, vp, v) (*(vp) = (v))
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/* native property ID value as a jsval */
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#define JSAPI_PROP_IDVAL(cx, vp) (*(vp) = jsapi_id)
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/* native property specifier */
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#define JSAPI_PS(name, fnname, tinyid, flags) \
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{ name , tinyid , flags , jsapi_property_##fnname##_get , jsapi_property_##fnname##_set }
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/* native property specifier with no setter */
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#define JSAPI_PS_RO(name, fnname, tinyid, flags) \
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{ name , tinyid , flags | JSPROP_READONLY, jsapi_property_##fnname##_get , NULL }
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/* native property specifier list end */
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#define JSAPI_PS_END { NULL, 0, 0, NULL, NULL }
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#define JS_StrictPropertyStub JS_PropertyStub
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/* The object instance in a native call */
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/* "this" JSObject getter */
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JSObject * js_ComputeThis(JSContext *cx, JSObject *thisp, void *argv);
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#define JSAPI_THIS_OBJECT(cx, vp) \
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js_ComputeThis(cx, JSVAL_TO_OBJECT(vp[-1]), vp)
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static inline JSObject *
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JS_NewCompartmentAndGlobalObject(JSContext *cx,
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JSClass *jsclass,
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JSPrincipals *principals)
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{
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JSObject *global;
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global = JS_NewObject(cx, jsclass, NULL, NULL);
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if (global == NULL) {
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return NULL;
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}
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return global;
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}
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#define JSString_to_char(injsstring, outchar, outlen) \
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outchar = JS_GetStringBytes(injsstring); \
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outlen = strlen(outchar)
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/* string type cast */
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#define JSAPI_STRING_TO_JSVAL(str) ((str == NULL)?JSVAL_NULL:STRING_TO_JSVAL(str))
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#define JSAPI_CLASS_NO_INTERNAL_MEMBERS NULL
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/* Garbage Collector */
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/* macros for GC marking */
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#define JSAPI_JSCLASS_MARK_IS_TRACE 0
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#define JSAPI_JSCLASS_MARKOP(x) (x)
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#define JSAPI_MARKOP(name) uint32_t name(JSContext *cx, JSObject *obj, void *arg)
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#define JSAPI_MARKCX cx
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#define JSAPI_GCMARK(thing) JS_MarkGCThing(cx, thing, "object", arg)
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/* Macros for manipulating GC root */
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#define JSAPI_ADD_OBJECT_ROOT(cx, obj) JS_AddRoot(cx, obj)
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#define JSAPI_REMOVE_OBJECT_ROOT(cx, obj) JS_RemoveRoot(cx, obj)
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#define JSAPI_ADD_VALUE_ROOT(cx, obj) JS_AddRoot(cx, obj)
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#define JSAPI_REMOVE_VALUE_ROOT(cx, obj) JS_RemoveRoot(cx, obj)
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#elif JS_VERSION == 180
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/************************** Spidermonkey 1.8.0 **************************/
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#include <string.h>
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/* *CAUTION* these macros introduce and use jsapi_this and jsapi_rval
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* parameters, native function code should not conflict with these
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*/
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/* five parameter jsapi native call */
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#define JSAPI_FUNC(name, cx, argc, vp) \
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jsapi_func_##name(cx, JSObject *jsapi_this, argc, vp, jsval *jsapi_rval)
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/* five parameter function descriptor */
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#define JSAPI_FS(name, nargs, flags) \
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JS_FS(#name, jsapi_func_##name, nargs, flags, 0)
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/* function descriptor end */
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#define JSAPI_FS_END JS_FS_END
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/* return value */
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#define JSAPI_RVAL(cx, vp) JS_RVAL(cx, jsapi_rval)
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/* return value setter */
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#define JSAPI_FUNC_SET_RVAL(cx, vp, v) JS_SET_RVAL(cx, jsapi_rval, v)
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/* arguments */
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#define JSAPI_FUNC_ARGV(cx, vp) (vp)
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/* check if a jsval is an object */
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#define JSAPI_JSVAL_IS_OBJECT(v) JSVAL_IS_OBJECT(v)
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/* The object instance in a native call */
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#define JSAPI_THIS_OBJECT(cx,vp) jsapi_this
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/* proprty native calls */
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#define JSAPI_PROP(name, cx, obj, vp) \
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jsapi_property_##name(cx, obj, jsval jsapi_id, vp)
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#define JSAPI_STRICTPROP JSAPI_PROP
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/* native property return value */
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#define JSAPI_PROP_RVAL JS_RVAL
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/* native property return value setter */
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#define JSAPI_PROP_SET_RVAL JS_SET_RVAL
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/* native property ID value as a jsval */
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#define JSAPI_PROP_IDVAL(cx, vp) (*(vp) = jsapi_id)
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/* property specifier */
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#define JSAPI_PS(name, fnname, tinyid, flags) \
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{ name , tinyid , flags , jsapi_property_##fnname##_get , jsapi_property_##fnname##_set }
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#define JSAPI_PS_RO(name, fnname, tinyid, flags) \
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{ name , tinyid , flags | JSPROP_READONLY, jsapi_property_##fnname##_get , NULL }
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#define JSAPI_PS_END { NULL, 0, 0, NULL, NULL }
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static inline JSObject *
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JS_NewCompartmentAndGlobalObject(JSContext *cx,
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JSClass *jsclass,
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JSPrincipals *principals)
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{
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JSObject *global;
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global = JS_NewObject(cx, jsclass, NULL, NULL);
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if (global == NULL) {
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return NULL;
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}
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return global;
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}
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#define JS_StrictPropertyStub JS_PropertyStub
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#define JSString_to_char(injsstring, outchar, outlen) \
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outchar = JS_GetStringBytes(injsstring); \
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outlen = strlen(outchar)
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/* string type cast */
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#define JSAPI_STRING_TO_JSVAL(str) ((str == NULL)?JSVAL_NULL:STRING_TO_JSVAL(str))
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#define JSAPI_CLASS_NO_INTERNAL_MEMBERS NULL
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/* Garbage Collector */
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/* GC marking */
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#ifdef JSCLASS_MARK_IS_TRACE
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/* mark function pointer requires casting */
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#define JSAPI_JSCLASS_MARK_IS_TRACE JSCLASS_MARK_IS_TRACE
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#define JSAPI_JSCLASS_MARKOP(x) ((JSMarkOp)x)
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#else
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/* mark function pointer does not require casting */
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#define JSAPI_JSCLASS_MARK_IS_TRACE 0
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#define JSAPI_JSCLASS_MARKOP(x) (x)
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#endif
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#define JSAPI_MARKOP(name) JSBool name(JSTracer *trc, JSObject *obj)
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#define JSAPI_MARKCX trc->context
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#define JSAPI_GCMARK(thing) JS_CallTracer(trc, thing, JSTRACE_OBJECT);
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/* Macros for manipulating GC root */
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#define JSAPI_ADD_OBJECT_ROOT(cx, obj) JS_AddRoot(cx, obj)
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#define JSAPI_REMOVE_OBJECT_ROOT(cx, obj) JS_RemoveRoot(cx, obj)
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#define JSAPI_ADD_VALUE_ROOT(cx, obj) JS_AddRoot(cx, obj)
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#define JSAPI_REMOVE_VALUE_ROOT(cx, obj) JS_RemoveRoot(cx, obj)
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#else /* #if JS_VERSION == 180 */
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/************************** Spidermonkey 1.8.5 **************************/
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/* three parameter jsapi native call */
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#define JSAPI_FUNC(name, cx, argc, vp) jsapi_func_##name(cx, argc, vp)
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/* three parameter function descriptor */
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#define JSAPI_FS(name, nargs, flags) \
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JS_FS(#name, jsapi_func_##name, nargs, flags)
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/* function descriptor end */
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#define JSAPI_FS_END JS_FS_END
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/* return value */
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#define JSAPI_RVAL JS_RVAL
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/* return value setter */
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#define JSAPI_FUNC_SET_RVAL JS_SET_RVAL
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/* arguments */
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#define JSAPI_FUNC_ARGV(cx, vp) JS_ARGV(cx,vp)
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/* check if a jsval is an object */
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#define JSAPI_JSVAL_IS_OBJECT(v) JSVAL_IS_OBJECT(v)
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/* The docuemntation says this is obsolete and should be
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* ((JSVAL_IS_NULL(v)) || (JSVAL_IS_PRIMITIVE(v)))
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* which doesnt work
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*/
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/* The object instance in a native call */
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#define JSAPI_THIS_OBJECT(cx,vp) JS_THIS_OBJECT(cx,vp)
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/* proprty native calls */
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#define JSAPI_PROP(name, cx, obj, vp) \
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jsapi_property_##name(cx, obj, jsid jsapi_id, vp)
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#define JSAPI_STRICTPROP(name, cx, obj, vp) \
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jsapi_property_##name(cx, obj, jsid jsapi_id, JSBool strict, vp)
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/* native property return value */
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#define JSAPI_PROP_RVAL JS_RVAL
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/* native property getter return value */
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#define JSAPI_PROP_SET_RVAL JS_SET_RVAL
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/* native property ID value as a jsval */
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#define JSAPI_PROP_IDVAL(cx, vp) JS_IdToValue(cx, jsapi_id, vp)
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/* property specifier */
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#define JSAPI_PS(name, fnname, tinyid, flags) { \
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name, \
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tinyid, \
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flags, \
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jsapi_property_##fnname##_get, \
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jsapi_property_##fnname##_set \
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}
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#define JSAPI_PS_RO(name, fnname, tinyid, flags) { \
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name, \
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tinyid, \
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flags | JSPROP_READONLY, \
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jsapi_property_##fnname##_get, \
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NULL \
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}
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#define JSAPI_PS_END { NULL, 0, 0, NULL, NULL }
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#define JSString_to_char(injsstring, outchar, outlen) \
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outlen = JS_GetStringLength(injsstring); \
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outchar = alloca(sizeof(char)*(outlen+1)); \
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JS_EncodeStringToBuffer(injsstring, outchar, outlen); \
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outchar[outlen] = '\0'
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/* string type cast */
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#define JSAPI_STRING_TO_JSVAL(str) ((str == NULL)?JSVAL_NULL:STRING_TO_JSVAL(str))
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#define JSAPI_CLASS_NO_INTERNAL_MEMBERS JSCLASS_NO_INTERNAL_MEMBERS
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/* GC marking */
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#ifdef JSCLASS_MARK_IS_TRACE
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/* mark requires casting */
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#define JSAPI_JSCLASS_MARK_IS_TRACE JSCLASS_MARK_IS_TRACE
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#define JSAPI_JSCLASS_MARKOP(x) ((JSMarkOp)x)
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#else
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/* mark does not require casting */
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#define JSAPI_JSCLASS_MARK_IS_TRACE 0
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#define JSAPI_JSCLASS_MARKOP(x) (x)
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#endif
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#define JSAPI_MARKOP(name) JSBool name(JSTracer *trc, JSObject *obj)
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#define JSAPI_MARKCX trc->context
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#define JSAPI_GCMARK(thing) JS_CallTracer(trc, thing, JSTRACE_OBJECT);
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/* Macros for manipulating GC root */
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#define JSAPI_ADD_OBJECT_ROOT(cx, obj) JS_AddObjectRoot(cx, obj)
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#define JSAPI_REMOVE_OBJECT_ROOT(cx, obj) JS_RemoveObjectRoot(cx, obj)
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#define JSAPI_ADD_VALUE_ROOT(cx, val) JS_AddValueRoot(cx, val)
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#define JSAPI_REMOVE_VALUE_ROOT(cx, val) JS_RemoveValueRoot(cx, val)
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#endif
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#define JSLOG(args...) LOG((args))
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#ifdef ENABLE_VERBOSE_JS_DEBUG
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#define JSDBG(args...) LOG((args))
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#else
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#define JSDBG(args...)
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#endif
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#endif
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