mirror of
https://github.com/netsurf-browser/netsurf
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a911ecaa48
By using carefuly built macros we can make the spidermonkey binding work on earlier editions of spidermonkey. Some ideas taken from Chris Young and Ole Signed-off-by: Vincent Sanders <vince@netsurf-browser.org>
146 lines
3.9 KiB
C
146 lines
3.9 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 bindings and 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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#include <string.h>
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/* *CAUTION* these macros introduce and use jsthis and jsrval
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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_NATIVE(name, cx, argc, vp) \
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jsapi_native_##name(cx, JSObject *jsthis, argc, vp, jsval *jsrval)
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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_native_##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, jsrval)
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/* return value setter */
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#define JSAPI_SET_RVAL(cx, vp, v) JS_SET_RVAL(cx, jsrval, v)
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/* arguments */
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#define JSAPI_ARGV(cx, vp) (vp)
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/* proprty native calls */
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#define JSAPI_PROPERTYGET(name, cx, obj, vp) \
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jsapi_property_##name##_get(cx, obj, jsval id, vp)
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#define JSAPI_PROPERTYSET(name, cx, obj, vp) \
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jsapi_property_##name##_set(cx, obj, jsval id, vp)
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/* property specifier */
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#define JSAPI_PS(name, tinyid, flags) \
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{ #name , tinyid , flags , jsapi_property_##name##_get , jsapi_property_##name##_set }
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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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JS_SetGlobalObject(cx, global);
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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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txt = JS_GetStringBytes(u16_txt); \
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outlen = strlen(txt)
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#else /* #if JS_VERSION <= 180 */
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/* three parameter jsapi native call */
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#define JSAPI_NATIVE(name, cx, argc, vp) jsnative_##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_native_##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_SET_RVAL JS_SET_RVAL
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/* arguments */
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#define JSAPI_ARGV(cx, vp) JS_ARGV(cx,vp)
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/* proprty native calls */
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#define JSAPI_PROPERTYGET(name, cx, obj, vp) \
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jsapi_property_##name##_get(cx, obj, jsid id, vp)
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#define JSAPI_PROPERTYSET(name, cx, obj, vp) \
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jsapi_property_##name##_set(cx, obj, jsid id, JSBool strict, vp)
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/* property specifier */
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#define JSAPI_PS(name, tinyid, flags) { \
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#name , \
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tinyid , \
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flags , \
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jsapi_property_##name##_get , \
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jsapi_property_##name##_set \
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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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#endif
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JSObject *jsapi_new_window(JSContext *cx, JSObject *parent, void *win_priv);
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JSObject *jsapi_new_document(JSContext *cx, JSObject *parent, void *doc_priv);
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JSObject *jsapi_new_console(JSContext *cx, JSObject *parent);
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#endif
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