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Diffstat (limited to 'tools/node_modules/expresso/deps/jscoverage/js/jsxdrapi.h')
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diff --git a/tools/node_modules/expresso/deps/jscoverage/js/jsxdrapi.h b/tools/node_modules/expresso/deps/jscoverage/js/jsxdrapi.h new file mode 100644 index 0000000..23b2636 --- /dev/null +++ b/tools/node_modules/expresso/deps/jscoverage/js/jsxdrapi.h @@ -0,0 +1,220 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- + * vim: set ts=8 sw=4 et tw=78: + * + * ***** 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 ***** */ + +#ifndef jsxdrapi_h___ +#define jsxdrapi_h___ + +/* + * JS external data representation interface API. + * + * The XDR system is comprised of three major parts: + * + * - the state serialization/deserialization APIs, which allow consumers + * of the API to serialize JS runtime state (script bytecodes, atom maps, + * object graphs, etc.) for later restoration. These portions + * are implemented in various appropriate files, such as jsscript.c + * for the script portions and jsobj.c for object state. + * - the callback APIs through which the runtime requests an opaque + * representation of a native object, and through which the runtime + * constructs a live native object from an opaque representation. These + * portions are the responsibility of the native object implementor. + * - utility functions for en/decoding of primitive types, such as + * JSStrings. This portion is implemented in jsxdrapi.c. + * + * Spiritually guided by Sun's XDR, where appropriate. + */ + +#include "jspubtd.h" +#include "jsprvtd.h" + +JS_BEGIN_EXTERN_C + +/* We use little-endian byteorder for all encoded data */ + +#if defined IS_LITTLE_ENDIAN +#define JSXDR_SWAB32(x) x +#define JSXDR_SWAB16(x) x +#elif defined IS_BIG_ENDIAN +#define JSXDR_SWAB32(x) (((uint32)(x) >> 24) | \ + (((uint32)(x) >> 8) & 0xff00) | \ + (((uint32)(x) << 8) & 0xff0000) | \ + ((uint32)(x) << 24)) +#define JSXDR_SWAB16(x) (((uint16)(x) >> 8) | ((uint16)(x) << 8)) +#else +#error "unknown byte order" +#endif + +#define JSXDR_ALIGN 4 + +typedef enum JSXDRMode { + JSXDR_ENCODE, + JSXDR_DECODE, + JSXDR_FREE +} JSXDRMode; + +typedef enum JSXDRWhence { + JSXDR_SEEK_SET, + JSXDR_SEEK_CUR, + JSXDR_SEEK_END +} JSXDRWhence; + +typedef struct JSXDROps { + JSBool (*get32)(JSXDRState *, uint32 *); + JSBool (*set32)(JSXDRState *, uint32 *); + JSBool (*getbytes)(JSXDRState *, char *, uint32); + JSBool (*setbytes)(JSXDRState *, char *, uint32); + void * (*raw)(JSXDRState *, uint32); + JSBool (*seek)(JSXDRState *, int32, JSXDRWhence); + uint32 (*tell)(JSXDRState *); + void (*finalize)(JSXDRState *); +} JSXDROps; + +struct JSXDRState { + JSXDRMode mode; + JSXDROps *ops; + JSContext *cx; + JSClass **registry; + uintN numclasses; + uintN maxclasses; + void *reghash; + void *userdata; + JSScript *script; +}; + +extern JS_PUBLIC_API(void) +JS_XDRInitBase(JSXDRState *xdr, JSXDRMode mode, JSContext *cx); + +extern JS_PUBLIC_API(JSXDRState *) +JS_XDRNewMem(JSContext *cx, JSXDRMode mode); + +extern JS_PUBLIC_API(void *) +JS_XDRMemGetData(JSXDRState *xdr, uint32 *lp); + +extern JS_PUBLIC_API(void) +JS_XDRMemSetData(JSXDRState *xdr, void *data, uint32 len); + +extern JS_PUBLIC_API(uint32) +JS_XDRMemDataLeft(JSXDRState *xdr); + +extern JS_PUBLIC_API(void) +JS_XDRMemResetData(JSXDRState *xdr); + +extern JS_PUBLIC_API(void) +JS_XDRDestroy(JSXDRState *xdr); + +extern JS_PUBLIC_API(JSBool) +JS_XDRUint8(JSXDRState *xdr, uint8 *b); + +extern JS_PUBLIC_API(JSBool) +JS_XDRUint16(JSXDRState *xdr, uint16 *s); + +extern JS_PUBLIC_API(JSBool) +JS_XDRUint32(JSXDRState *xdr, uint32 *lp); + +extern JS_PUBLIC_API(JSBool) +JS_XDRBytes(JSXDRState *xdr, char *bytes, uint32 len); + +extern JS_PUBLIC_API(JSBool) +JS_XDRCString(JSXDRState *xdr, char **sp); + +extern JS_PUBLIC_API(JSBool) +JS_XDRCStringOrNull(JSXDRState *xdr, char **sp); + +extern JS_PUBLIC_API(JSBool) +JS_XDRString(JSXDRState *xdr, JSString **strp); + +extern JS_PUBLIC_API(JSBool) +JS_XDRStringOrNull(JSXDRState *xdr, JSString **strp); + +extern JS_PUBLIC_API(JSBool) +JS_XDRDouble(JSXDRState *xdr, jsdouble **dp); + +extern JS_PUBLIC_API(JSBool) +JS_XDRValue(JSXDRState *xdr, jsval *vp); + +extern JS_PUBLIC_API(JSBool) +JS_XDRScript(JSXDRState *xdr, JSScript **scriptp); + +extern JS_PUBLIC_API(JSBool) +JS_XDRRegisterClass(JSXDRState *xdr, JSClass *clasp, uint32 *lp); + +extern JS_PUBLIC_API(uint32) +JS_XDRFindClassIdByName(JSXDRState *xdr, const char *name); + +extern JS_PUBLIC_API(JSClass *) +JS_XDRFindClassById(JSXDRState *xdr, uint32 id); + +/* + * Magic numbers. + */ +#define JSXDR_MAGIC_SCRIPT_1 0xdead0001 +#define JSXDR_MAGIC_SCRIPT_2 0xdead0002 +#define JSXDR_MAGIC_SCRIPT_3 0xdead0003 +#define JSXDR_MAGIC_SCRIPT_4 0xdead0004 +#define JSXDR_MAGIC_SCRIPT_5 0xdead0005 +#define JSXDR_MAGIC_SCRIPT_6 0xdead0006 +#define JSXDR_MAGIC_SCRIPT_7 0xdead0007 +#define JSXDR_MAGIC_SCRIPT_8 0xdead0008 +#define JSXDR_MAGIC_SCRIPT_9 0xdead0009 +#define JSXDR_MAGIC_SCRIPT_CURRENT JSXDR_MAGIC_SCRIPT_9 + +/* + * Bytecode version number. Increment the subtrahend whenever JS bytecode + * changes incompatibly. + * + * This version number should be XDR'ed once near the front of any file or + * larger storage unit containing XDR'ed bytecode and other data, and checked + * before deserialization of bytecode. If the saved version does not match + * the current version, abort deserialization and invalidate the file. + */ +#define JSXDR_BYTECODE_VERSION (0xb973c0de - 37) + +/* + * Library-private functions. + */ +extern JSBool +js_XDRAtom(JSXDRState *xdr, JSAtom **atomp); + +extern JSBool +js_XDRStringAtom(JSXDRState *xdr, JSAtom **atomp); + +JS_END_EXTERN_C + +#endif /* ! jsxdrapi_h___ */ |