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Diffstat (limited to 'javascript/jsapi/jsapi.h')
| -rw-r--r-- | javascript/jsapi/jsapi.h | 396 |
1 files changed, 396 insertions, 0 deletions
diff --git a/javascript/jsapi/jsapi.h b/javascript/jsapi/jsapi.h new file mode 100644 index 000000000..7ca8351d6 --- /dev/null +++ b/javascript/jsapi/jsapi.h @@ -0,0 +1,396 @@ +/* + * Copyright 2012 Vincent Sanders <vince@netsurf-browser.org> + * + * This file is part of NetSurf, http://www.netsurf-browser.org/ + * + * NetSurf is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * NetSurf is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +/** \file + * spidermonkey jsapi compatability glue. + */ + +#ifndef _NETSURF_JAVASCRIPT_JSAPI_H_ +#define _NETSURF_JAVASCRIPT_JSAPI_H_ + +/* include the correct header */ +#ifdef WITH_MOZJS +#include "js/jsapi.h" +#else +#include "mozjs/jsapi.h" +#endif + +/* logging macros */ +#define JSLOG(args...) LOG(args) +#ifdef ENABLE_VERBOSE_JS_DEBUG +#define JSDBG(args...) LOG(args) +#else +#define JSDBG(args...) +#endif + +#if JS_VERSION < 180 + +/************************** Spidermonkey 1.7.0 **************************/ + +#include <string.h> + +#ifndef JSVERSION_LATEST +#define JSVERSION_LATEST JS_VERSION +#endif + +#ifndef JSOPTION_JIT +#define JSOPTION_JIT 0 +#endif + +/* *CAUTION* these native function macros introduce and use jsapi_this + * and jsapi_rval variables, native function code should not conflict + * with these + */ + +/* native function definition with five parameters */ +#define JSAPI_FUNC(name, cx, argc, vp) \ + jsapi_func_##name(cx, JSObject *jsapi_this, argc, vp, jsval *jsapi_rval) + +/* native function return value - No macro available */ +#define JSAPI_FUNC_RVAL(cx, vp) (jsapi_rval) + +/* native function return value setter - No macro available */ +#define JSAPI_FUNC_SET_RVAL(cx, vp, v) (*jsapi_rval = (v)) + +/* arguments */ +#define JSAPI_FUNC_ARGV(cx, vp) (vp) + +/* check if a jsval is an object */ +#define JSAPI_JSVAL_IS_OBJECT(v) JSVAL_IS_OBJECT(v) + +/* native function specifier with five parameters and no JS_FS macro */ +#define JSAPI_FS(name, nargs, flags) \ + { #name, jsapi_func_##name, nargs, flags, 0 } + +/* native function specifier list end */ +#define JSAPI_FS_END { NULL, NULL, 0, 0, 0 } + + + + +/* native proprty definition */ +#define JSAPI_PROP(name, cx, obj, vp) \ + jsapi_property_##name(cx, obj, jsval jsapi_id, vp) +#define JSAPI_STRICTPROP JSAPI_PROP + +/* native property return value */ +#define JSAPI_PROP_RVAL(cx, vp) (*(vp)) + +/* native property getter return value */ +#define JSAPI_PROP_SET_RVAL(cx, vp, v) (*(vp) = (v)) + +/* native property ID value as a jsval */ +#define JSAPI_PROP_IDVAL(cx, vp) (*(vp) = jsapi_id) + +/* native property specifier */ +#define JSAPI_PS(name, fnname, tinyid, flags) \ + { name , tinyid , flags , jsapi_property_##fnname##_get , jsapi_property_##fnname##_set } + +/* native property specifier with no setter */ +#define JSAPI_PS_RO(name, fnname, tinyid, flags) \ + { name , tinyid , flags | JSPROP_READONLY, jsapi_property_##fnname##_get , NULL } + +/* native property specifier list end */ +#define JSAPI_PS_END { NULL, 0, 0, NULL, NULL } + +#define JS_StrictPropertyStub JS_PropertyStub + + + + +/* The object instance in a native call */ +/* "this" JSObject getter */ +JSObject * js_ComputeThis(JSContext *cx, JSObject *thisp, void *argv); +#define JSAPI_THIS_OBJECT(cx, vp) \ + js_ComputeThis(cx, JSVAL_TO_OBJECT(vp[-1]), vp) + +static inline JSObject * +JS_NewCompartmentAndGlobalObject(JSContext *cx, + JSClass *jsclass, + JSPrincipals *principals) +{ + JSObject *global; + global = JS_NewObject(cx, jsclass, NULL, NULL); + if (global == NULL) { + return NULL; + } + return global; +} + + +#define JSString_to_char(injsstring, outchar, outlen) \ + outchar = JS_GetStringBytes(injsstring); \ + outlen = strlen(outchar) + +/* string type cast */ +#define JSAPI_STRING_TO_JSVAL(str) ((str == NULL)?JSVAL_NULL:STRING_TO_JSVAL(str)) + +#define JSAPI_CLASS_NO_INTERNAL_MEMBERS NULL + +/* Garbage Collector */ + +/* macros for GC marking */ +#define JSAPI_JSCLASS_MARK_IS_TRACE 0 + +#define JSAPI_JSCLASS_MARKOP(x) (x) + +#define JSAPI_MARKOP(name) uint32_t name(JSContext *cx, JSObject *obj, void *arg) + +#define JSAPI_MARKCX cx + +#define JSAPI_GCMARK(thing) JS_MarkGCThing(cx, thing, "object", arg) + +#define JSAPI_MARKOP_RETURN(value) return value + + +/* Macros for manipulating GC root */ +#define JSAPI_ADD_OBJECT_ROOT(cx, obj) JS_AddRoot(cx, obj) +#define JSAPI_REMOVE_OBJECT_ROOT(cx, obj) JS_RemoveRoot(cx, obj) + +#define JSAPI_ADD_VALUE_ROOT(cx, obj) JS_AddRoot(cx, obj) +#define JSAPI_REMOVE_VALUE_ROOT(cx, obj) JS_RemoveRoot(cx, obj) + +#elif JS_VERSION == 180 + +/************************** Spidermonkey 1.8.0 **************************/ + +#include <string.h> + +/* *CAUTION* these macros introduce and use jsapi_this and jsapi_rval + * parameters, native function code should not conflict with these + */ + +/* five parameter jsapi native call */ +#define JSAPI_FUNC(name, cx, argc, vp) \ + jsapi_func_##name(cx, JSObject *jsapi_this, argc, vp, jsval *jsapi_rval) + +/* five parameter function descriptor */ +#define JSAPI_FS(name, nargs, flags) \ + JS_FS(#name, jsapi_func_##name, nargs, flags, 0) + +/* function descriptor end */ +#define JSAPI_FS_END JS_FS_END + +/* return value */ +#define JSAPI_RVAL(cx, vp) JS_RVAL(cx, jsapi_rval) + +/* return value setter */ +#define JSAPI_FUNC_SET_RVAL(cx, vp, v) JS_SET_RVAL(cx, jsapi_rval, v) + +/* arguments */ +#define JSAPI_FUNC_ARGV(cx, vp) (vp) + +/* check if a jsval is an object */ +#define JSAPI_JSVAL_IS_OBJECT(v) JSVAL_IS_OBJECT(v) + +/* The object instance in a native call */ +#define JSAPI_THIS_OBJECT(cx,vp) jsapi_this + + + +/* proprty native calls */ +#define JSAPI_PROP(name, cx, obj, vp) \ + jsapi_property_##name(cx, obj, jsval jsapi_id, vp) +#define JSAPI_STRICTPROP JSAPI_PROP + +/* native property return value */ +#define JSAPI_PROP_RVAL JS_RVAL + +/* native property return value setter */ +#define JSAPI_PROP_SET_RVAL JS_SET_RVAL + +/* native property ID value as a jsval */ +#define JSAPI_PROP_IDVAL(cx, vp) (*(vp) = jsapi_id) + +/* property specifier */ +#define JSAPI_PS(name, fnname, tinyid, flags) \ + { name , tinyid , flags , jsapi_property_##fnname##_get , jsapi_property_##fnname##_set } + +#define JSAPI_PS_RO(name, fnname, tinyid, flags) \ + { name , tinyid , flags | JSPROP_READONLY, jsapi_property_##fnname##_get , NULL } + +#define JSAPI_PS_END { NULL, 0, 0, NULL, NULL } + + + + +static inline JSObject * +JS_NewCompartmentAndGlobalObject(JSContext *cx, + JSClass *jsclass, + JSPrincipals *principals) +{ + JSObject *global; + global = JS_NewObject(cx, jsclass, NULL, NULL); + if (global == NULL) { + return NULL; + } + return global; +} + +#define JS_StrictPropertyStub JS_PropertyStub + +#define JSString_to_char(injsstring, outchar, outlen) \ + outchar = JS_GetStringBytes(injsstring); \ + outlen = strlen(outchar) + +/* string type cast */ +#define JSAPI_STRING_TO_JSVAL(str) ((str == NULL)?JSVAL_NULL:STRING_TO_JSVAL(str)) + +#define JSAPI_CLASS_NO_INTERNAL_MEMBERS NULL + +/* Garbage Collector */ + +/* GC marking */ +#ifdef JSCLASS_MARK_IS_TRACE +/* mark function pointer requires casting */ +#define JSAPI_JSCLASS_MARK_IS_TRACE JSCLASS_MARK_IS_TRACE +#define JSAPI_JSCLASS_MARKOP(x) ((JSMarkOp)x) +#else +/* mark function pointer does not require casting */ +#define JSAPI_JSCLASS_MARK_IS_TRACE 0 +#define JSAPI_JSCLASS_MARKOP(x) (x) +#endif + +#define JSAPI_MARKOP(name) JSBool name(JSTracer *trc, JSObject *obj) + +#define JSAPI_MARKCX trc->context + +#define JSAPI_GCMARK(thing) JS_CallTracer(trc, thing, JSTRACE_OBJECT); + +#define JSAPI_MARKOP_RETURN(value) return value + +/* Macros for manipulating GC root */ +#define JSAPI_ADD_OBJECT_ROOT(cx, obj) JS_AddRoot(cx, obj) +#define JSAPI_REMOVE_OBJECT_ROOT(cx, obj) JS_RemoveRoot(cx, obj) + +#define JSAPI_ADD_VALUE_ROOT(cx, obj) JS_AddRoot(cx, obj) +#define JSAPI_REMOVE_VALUE_ROOT(cx, obj) JS_RemoveRoot(cx, obj) + + +#else /* #if JS_VERSION == 180 */ + +/************************** Spidermonkey 1.8.5 **************************/ + +/* three parameter jsapi native call */ +#define JSAPI_FUNC(name, cx, argc, vp) jsapi_func_##name(cx, argc, vp) + +/* three parameter function descriptor */ +#define JSAPI_FS(name, nargs, flags) \ + JS_FS(#name, jsapi_func_##name, nargs, flags) + +/* function descriptor end */ +#define JSAPI_FS_END JS_FS_END + +/* return value */ +#define JSAPI_RVAL JS_RVAL + +/* return value setter */ +#define JSAPI_FUNC_SET_RVAL JS_SET_RVAL + +/* arguments */ +#define JSAPI_FUNC_ARGV(cx, vp) JS_ARGV(cx,vp) + +/* check if a jsval is an object */ +#define JSAPI_JSVAL_IS_OBJECT(v) JSVAL_IS_OBJECT(v) +/* The docuemntation says this is obsolete and should be + * ((JSVAL_IS_NULL(v)) || (JSVAL_IS_PRIMITIVE(v))) + * which doesnt work + */ + + +/* The object instance in a native call */ +#define JSAPI_THIS_OBJECT(cx,vp) JS_THIS_OBJECT(cx,vp) + +/* proprty native calls */ +#define JSAPI_PROP(name, cx, obj, vp) \ + jsapi_property_##name(cx, obj, jsid jsapi_id, vp) +#define JSAPI_STRICTPROP(name, cx, obj, vp) \ + jsapi_property_##name(cx, obj, jsid jsapi_id, JSBool strict, vp) + +/* native property return value */ +#define JSAPI_PROP_RVAL JS_RVAL + +/* native property getter return value */ +#define JSAPI_PROP_SET_RVAL JS_SET_RVAL + +/* native property ID value as a jsval */ +#define JSAPI_PROP_IDVAL(cx, vp) JS_IdToValue(cx, jsapi_id, vp) + +/* property specifier */ +#define JSAPI_PS(name, fnname, tinyid, flags) { \ + name, \ + tinyid, \ + flags, \ + jsapi_property_##fnname##_get, \ + jsapi_property_##fnname##_set \ + } + +#define JSAPI_PS_RO(name, fnname, tinyid, flags) { \ + name, \ + tinyid, \ + flags | JSPROP_READONLY, \ + jsapi_property_##fnname##_get, \ + NULL \ + } + +#define JSAPI_PS_END { NULL, 0, 0, NULL, NULL } + + +#define JSString_to_char(injsstring, outchar, outlen) \ + outlen = JS_GetStringLength(injsstring); \ + outchar = alloca(sizeof(char)*(outlen+1)); \ + JS_EncodeStringToBuffer(injsstring, outchar, outlen); \ + outchar[outlen] = '\0' + +/* string type cast */ +#define JSAPI_STRING_TO_JSVAL(str) ((str == NULL)?JSVAL_NULL:STRING_TO_JSVAL(str)) + +#define JSAPI_CLASS_NO_INTERNAL_MEMBERS JSCLASS_NO_INTERNAL_MEMBERS + +/* GC marking */ +#ifdef JSCLASS_MARK_IS_TRACE +/* mark function pointer requires casting */ +#define JSAPI_JSCLASS_MARK_IS_TRACE JSCLASS_MARK_IS_TRACE +#define JSAPI_JSCLASS_MARKOP(x) ((JSMarkOp)x) +#else +/* mark function pointer does not require casting */ +#define JSAPI_JSCLASS_MARK_IS_TRACE 0 +#define JSAPI_JSCLASS_MARKOP(x) (x) +#endif + +#define JSAPI_MARKOP(name) void name(JSTracer *trc, JSObject *obj) + +#define JSAPI_MARKCX trc->context + +#define JSAPI_GCMARK(thing) JS_CallTracer(trc, thing, JSTRACE_OBJECT); + +#define JSAPI_MARKOP_RETURN(value) + + +/* Macros for manipulating GC root */ +#define JSAPI_ADD_OBJECT_ROOT(cx, obj) JS_AddObjectRoot(cx, obj) +#define JSAPI_REMOVE_OBJECT_ROOT(cx, obj) JS_RemoveObjectRoot(cx, obj) + +#define JSAPI_ADD_VALUE_ROOT(cx, val) JS_AddValueRoot(cx, val) +#define JSAPI_REMOVE_VALUE_ROOT(cx, val) JS_RemoveValueRoot(cx, val) + +#endif + +/************************** **************************/ + +#endif |