hs-duktape 0.1.0 → 0.1.1
raw patch · 8 files changed
+1851/−4536 lines, 8 filesdep +raw-strings-qqdep +unordered-containersdep +vector
Dependencies added: raw-strings-qq, unordered-containers, vector
Files
- README.md +20/−0
- duktape/src/duktape.c too large to diff
- duktape/src/duktape.h +1519/−4455
- hs-duktape.cabal +4/−1
- library/Scripting/Duktape.hs +163/−45
- library/Scripting/Duktape/Raw.hs +81/−35
- test-suite/Scripting/DuktapeSpec.hs +62/−0
- test-suite/TestCommon.hs +2/−0
README.md view
@@ -34,6 +34,26 @@ [Aeson]'s `Value` type is used for exchanging values between Haskell and ECMAScript. [lens-aeson] is a good library for working with `Value`, um, values. +You can also call functions that are on the global object (or any object that's on the global object):++```haskell+dukm <- createDuktapeCtx+bresult <- callDuktape (fromJust dukm) Nothing "boolTest" [Bool True, Bool True, Bool False] -- boolTest(true, true, false)+aresult <- callDuktape (fromJust dukm) (Just "NumFuns") "sum" [Number 1, Number 2] -- NumFuns.sum(1, 2)+```++And expose Haskell functions (same as with calls: set on global or a property of global):++```haskell+dukm <- createDuktapeCtx+let dbl (Number x) = return $ Number $ x * 2 ∷ IO Value+ dbl _ = return $ String "wtf"+reD ← exposeFnDuktape (fromJust ctx) Nothing "double" dbl +```++The functions must be of type `IO ()`, `IO Value`, `Value -> IO Value`, `Value -> Value -> IO Value`... and so on, up to 5 arguments.+If you need more, use an `Object` `Value`, seriously.+ [Aeson]: https://hackage.haskell.org/package/aeson [lens-aeson]: https://hackage.haskell.org/package/lens-aeson
duktape/src/duktape.c view
file too large to diff
duktape/src/duktape.h view
@@ -1,4459 +1,1523 @@ /*- * Duktape public API for Duktape 1.2.3.- * See the API reference for documentation on call semantics.- * The exposed API is inside the DUK_API_PUBLIC_H_INCLUDED- * include guard. Other parts of the header are Duktape- * internal and related to platform/compiler/feature detection.- *- * Git commit 0605a18660dbae486c62a42a33fabd034c8623ff (v1.2.3).- *- * See Duktape AUTHORS.rst and LICENSE.txt for copyright and- * licensing information.- */--/* LICENSE.txt */-/*- * ===============- * Duktape license- * ===============- * - * (http://opensource.org/licenses/MIT)- * - * Copyright (c) 2013-2015 by Duktape authors (see AUTHORS.rst)- * - * Permission is hereby granted, free of charge, to any person obtaining a copy- * of this software and associated documentation files (the "Software"), to deal- * in the Software without restriction, including without limitation the rights- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell- * copies of the Software, and to permit persons to whom the Software is- * furnished to do so, subject to the following conditions:- * - * The above copyright notice and this permission notice shall be included in- * all copies or substantial portions of the Software.- * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN- * THE SOFTWARE.- * - */--/* AUTHORS.rst */-/*- * ===============- * Duktape authors- * ===============- * - * Copyright- * =========- * - * Duktape copyrights are held by its authors. Each author has a copyright- * to their contribution, and agrees to irrevocably license the contribution- * under the Duktape ``LICENSE.txt``.- * - * Authors- * =======- * - * Please include an e-mail address, a link to your GitHub profile, or something- * similar to allow your contribution to be identified accurately.- * - * The following people have contributed code and agreed to irrevocably license- * their contributions under the Duktape ``LICENSE.txt`` (in order of appearance):- * - * * Sami Vaarala <sami.vaarala@iki.fi>- * * Niki Dobrev- * * Andreas \u00d6man <andreas@lonelycoder.com>- * * L\u00e1szl\u00f3 Lang\u00f3 <llango.u-szeged@partner.samsung.com>- * * Legimet <legimet.calc@gmail.com>- * - * Other contributions- * ===================- * - * The following people have contributed something other than code (e.g. reported- * bugs, provided ideas, etc; roughly in order of appearance):- * - * * Greg Burns- * * Anthony Rabine- * * Carlos Costa- * * Aur\u00e9lien Bouilland- * * Preet Desai (Pris Matic)- * * judofyr (http://www.reddit.com/user/judofyr)- * * Jason Woofenden- * * Micha\u0142 Przyby\u015b- * * Anthony Howe- * * Conrad Pankoff- * * Jim Schimpf- * * Rajaran Gaunker (https://github.com/zimbabao)- * * Andreas \u00d6man- * * Doug Sanden- * * Josh Engebretson (https://github.com/JoshEngebretson)- * * Remo Eichenberger (https://github.com/remoe)- * * Mamod Mehyar (https://github.com/mamod)- * * David Demelier (https://github.com/hftmarkand)- * * Tim Caswell (https://github.com/creationix)- * * Mitchell Blank Jr (https://github.com/mitchblank)- * * https://github.com/yushli- * * Seo Sanghyeon (https://github.com/sanxiyn)- * * Han ChoongWoo (https://github.com/tunz)- * * Joshua Peek (https://github.com/josh)- * * Bruce E. Pascoe (https://github.com/fatcerberus)- * * https://github.com/Kelledin- * * https://github.com/sstruchtrup- * - * If you are accidentally missing from this list, send me an e-mail- * (``sami.vaarala@iki.fi``) and I'll fix the omission.- */--#ifndef DUKTAPE_H_INCLUDED-#define DUKTAPE_H_INCLUDED--#define DUK_SINGLE_FILE--/*- * Determine platform features, select feature selection defines- * (e.g. _XOPEN_SOURCE), include system headers, and define DUK_USE_XXX- * defines which are (only) checked in Duktape internal code for- * activated features. Duktape feature selection is based on automatic- * feature detection, user supplied DUK_OPT_xxx defines, and optionally- * a "duk_custom.h" user header (if DUK_OPT_HAVE_CUSTOM_H is defined).- *- * When compiling Duktape, DUK_COMPILING_DUKTAPE is set, and this file- * is included before any system headers are included. Feature selection- * defines (e.g. _XOPEN_SOURCE) are defined here before any system headers- * are included (which is a requirement for system headers to work correctly).- * This file is responsible for including all system headers and contains- * all platform dependent cruft in general. When compiling user code,- * DUK_COMPILING_DUKTAPE is not defined, and we must avoid e.g. defining- * unnecessary feature selection defines.- *- * The general order of handling:- * - Compiler feature detection (require no includes)- * - Intermediate platform detection (-> easier platform defines)- * - Platform detection, system includes, byte order detection, etc- * - ANSI C wrappers (e.g. DUK_MEMCMP), wrappers for constants, etc- * - DUK_USE_xxx defines are resolved based on input defines- * - Duktape Date provider settings- * - Final sanity checks- *- * DUK_F_XXX are internal feature detection macros which should not be- * used outside this header.- *- * Useful resources:- *- * http://sourceforge.net/p/predef/wiki/Home/- * http://sourceforge.net/p/predef/wiki/Architectures/- * http://stackoverflow.com/questions/5919996/how-to-detect-reliably-mac-os-x-ios-linux-windows-in-c-preprocessor- * http://en.wikipedia.org/wiki/C_data_types#Fixed-width_integer_types- *- * Preprocessor defines available in a particular GCC:- *- * gcc -dM -E - </dev/null # http://www.brain-dump.org/blog/entry/107- */--#ifndef DUK_FEATURES_H_INCLUDED-#define DUK_FEATURES_H_INCLUDED--/*- * Compiler features- */--#undef DUK_F_C99-#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)-#define DUK_F_C99-#endif--#undef DUK_F_CPP-#if defined(__cplusplus)-#define DUK_F_CPP-#endif--#undef DUK_F_CPP11-#if defined(__cplusplus) && (__cplusplus >= 201103L)-#define DUK_F_CPP11-#endif--/*- * Provides the duk_rdtsc() inline function (if available), limited to- * GCC C99.- *- * See: http://www.mcs.anl.gov/~kazutomo/rdtsc.html- */--/* XXX: more accurate detection of what gcc versions work; more inline- * asm versions for other compilers.- */-#if defined(__GNUC__) && defined(__i386__) && defined(DUK_F_C99) && \- !defined(__cplusplus) /* unsigned long long not standard */-static __inline__ unsigned long long duk_rdtsc(void) {- unsigned long long int x;- __asm__ volatile (".byte 0x0f, 0x31" : "=A" (x));- return x;-}-#define DUK_RDTSC_AVAILABLE 1-#elif defined(__GNUC__) && defined(__x86_64__) && defined(DUK_F_C99) && \- !defined(__cplusplus) /* unsigned long long not standard */-static __inline__ unsigned long long duk_rdtsc(void) {- unsigned hi, lo;- __asm__ __volatile__ ("rdtsc" : "=a"(lo), "=d"(hi));- return ((unsigned long long) lo) | (((unsigned long long) hi) << 32);-}-#define DUK_RDTSC_AVAILABLE 1-#else-/* not available */-#undef DUK_RDTSC_AVAILABLE-#endif--/*- * Intermediate platform, architecture, and compiler detection. These are- * hopelessly intertwined - e.g. architecture defines depend on compiler etc.- *- * Provide easier defines for platforms and compilers which are often tricky- * or verbose to detect. The intent is not to provide intermediate defines for- * all features; only if existing feature defines are inconvenient.- */--/* Intel x86 (32-bit) */-#if defined(i386) || defined(__i386) || defined(__i386__) || \- defined(__i486__) || defined(__i586__) || defined(__i686__) || \- defined(__IA32__) || defined(_M_IX86) || defined(__X86__) || \- defined(_X86_) || defined(__THW_INTEL__) || defined(__I86__)-#define DUK_F_X86-#endif--/* AMD64 (64-bit) */-#if defined(__amd64__) || defined(__amd64) || \- defined(__x86_64__) || defined(__x86_64) || \- defined(_M_X64) || defined(_M_AMD64)-#define DUK_F_X64-#endif--/* X32: 64-bit with 32-bit pointers (allows packed tvals). X32 support is- * not very mature yet.- *- * https://sites.google.com/site/x32abi/- */-#if defined(DUK_F_X64) && \- (defined(_ILP32) || defined(__ILP32__))-#define DUK_F_X32-/* define only one of: DUK_F_X86, DUK_F_X32, or DUK_F_X64 */-#undef DUK_F_X64-#undef DUK_F_X86-#endif--/* ARM */-#if defined(__arm__) || defined(__thumb__) || defined(_ARM) || defined(_M_ARM)-#define DUK_F_ARM-#endif--/* MIPS */-/* Related defines: __MIPSEB__, __MIPSEL__, __mips_isa_rev, __LP64__ */-#if defined(__mips__) || defined(mips) || defined(_MIPS_ISA) || \- defined(_R3000) || defined(_R4000) || defined(_R5900) || \- defined(_MIPS_ISA_MIPS1) || defined(_MIPS_ISA_MIPS2) || \- defined(_MIPS_ISA_MIPS3) || defined(_MIPS_ISA_MIPS4) || \- defined(__mips) || defined(__MIPS__)-#define DUK_F_MIPS-#if defined(__LP64__) || defined(__mips64) || defined(__mips64__) || \- defined(__mips_n64)-#define DUK_F_MIPS64-#else-#define DUK_F_MIPS32-#endif-#endif--/* SuperH */-#if defined(__sh__) || \- defined(__sh1__) || defined(__SH1__) || \- defined(__sh2__) || defined(__SH2__) || \- defined(__sh3__) || defined(__SH3__) || \- defined(__sh4__) || defined(__SH4__) || \- defined(__sh5__) || defined(__SH5__)-#define DUK_F_SUPERH-#endif--/* Motorola 68K. Not defined by VBCC, so user must define one of these- * manually when using VBCC.- */-#if defined(__m68k__) || defined(M68000) || defined(__MC68K__)-#define DUK_F_M68K-#endif--/* Linux */-#if defined(__linux) || defined(__linux__) || defined(linux)-#define DUK_F_LINUX-#endif--/* FreeBSD */-#if defined(__FreeBSD__) || defined(__FreeBSD)-#define DUK_F_FREEBSD-#endif--/* NetBSD */-#if defined(__NetBSD__) || defined(__NetBSD)-#define DUK_F_NETBSD-#endif--/* OpenBSD */-#if defined(__OpenBSD__) || defined(__OpenBSD)-#define DUK_F_OPENBSD-#endif--/* BSD variant */-#if defined(DUK_F_FREEBSD) || defined(DUK_F_NETBSD) || defined(DUK_F_OPENBSD) || \- defined(__bsdi__) || defined(__DragonFly__)-#define DUK_F_BSD-#endif--/* Generic Unix (includes Cygwin) */-#if defined(__unix) || defined(__unix__) || defined(unix) || \- defined(DUK_F_LINUX) || defined(DUK_F_BSD)-#define DUK_F_UNIX-#endif--/* Cygwin */-#if defined(__CYGWIN__)-#define DUK_F_CYGWIN-#endif--/* Windows (32-bit or above) */-#if defined(_WIN32) || defined(WIN32) || defined(_WIN64) || defined(WIN64) || \- defined(__WIN32__) || defined(__TOS_WIN__) || defined(__WINDOWS__)-#define DUK_F_WINDOWS-#endif--#if defined(__APPLE__)-#define DUK_F_APPLE-#endif--/* Atari ST TOS. __TOS__ defined by PureC (which doesn't work as a target now- * because int is 16-bit, to be fixed). No platform define in VBCC apparently,- * so to use with VBCC, user must define '__TOS__' manually.- */-#if defined(__TOS__)-#define DUK_F_TOS-#endif--/* AmigaOS. Neither AMIGA nor __amigaos__ is defined on VBCC, so user must- * define 'AMIGA' manually.- */-#if defined(AMIGA) || defined(__amigaos__)-#define DUK_F_AMIGAOS-#endif--/* Flash player (e.g. Crossbridge) */-#if defined(__FLASHPLAYER__)-#define DUK_F_FLASHPLAYER-#endif--/* Emscripten (provided explicitly by user), improve if possible */-#if defined(EMSCRIPTEN)-#define DUK_F_EMSCRIPTEN-#endif--/* QNX */-#if defined(__QNX__)-#define DUK_F_QNX-#endif--/* TI-Nspire (using Ndless) */-#if defined(_TINSPIRE)-#define DUK_F_TINSPIRE-#endif--/* GCC and GCC version convenience define. */-#if defined(__GNUC__)-#define DUK_F_GCC-#if defined(__GNUC__) && defined(__GNUC_MINOR__) && defined(__GNUC_PATCHLEVEL__)-/* Convenience, e.g. gcc 4.5.1 == 40501; http://stackoverflow.com/questions/6031819/emulating-gccs-builtin-unreachable */-#define DUK_F_GCC_VERSION (__GNUC__ * 10000L + __GNUC_MINOR__ * 100L + __GNUC_PATCHLEVEL__)-#else-#error cannot figure out gcc version-#endif-#endif--/* Clang */-#if defined(__clang__)-#define DUK_F_CLANG-/* It seems clang also defines __GNUC__, so undo the GCC detection. */-#if defined(DUK_F_GCC)-#undef DUK_F_GCC-#endif-#if defined(DUK_F_GCC_VERSION)-#undef DUK_F_GCC_VERSION-#endif-#endif--/* MSVC */-#if defined(_MSC_VER)-/* MSVC preprocessor defines: http://msdn.microsoft.com/en-us/library/b0084kay.aspx- * _MSC_FULL_VER includes the build number, but it has at least two formats, see e.g.- * BOOST_MSVC_FULL_VER in http://www.boost.org/doc/libs/1_52_0/boost/config/compiler/visualc.hpp- */-#define DUK_F_MSVC-#if defined(_MSC_FULL_VER)-#if (_MSC_FULL_VER > 100000000)-#define DUK_F_MSVC_FULL_VER _MSC_FULL_VER-#else-#define DUK_F_MSCV_FULL_VER (_MSC_FULL_VER * 10)-#endif-#endif-#endif /* _MSC_VER */--/* MinGW */-#if defined(__MINGW32__) || defined(__MINGW64__)-/* NOTE: Also GCC flags are detected (DUK_F_GCC etc). */-#define DUK_F_MINGW-#endif--/* BCC (Bruce's C compiler): this is a "torture target" for compilation */-#if defined(__BCC__) || defined(__BCC_VERSION__)-#define DUK_F_BCC-#endif--#if defined(__VBCC__)-#define DUK_F_VBCC-#endif--#if (defined(DUK_F_C99) || defined(DUK_F_CPP11)) && \- !defined(DUK_F_BCC)-/* ULL / LL preprocessor constants should be avoided because they're not- * always available. With suitable options, some compilers will support- * 64-bit integer types but won't support ULL / LL preprocessor constants.- * Assume C99/C++11 environments have these. However, BCC is nominally- * C99 but doesn't support these constants.- */-#define DUK_F_ULL_CONSTS-#endif--/*- * Platform detection, system includes, Date provider selection.- *- * Feature selection (e.g. _XOPEN_SOURCE) must happen before any system- * headers are included. This header should avoid providing any feature- * selection defines when compiling user code (only when compiling Duktape- * itself). If a feature selection option is required for user code to- * compile correctly (e.g. it is needed for type detection), it should- * probably be -checked- here, not defined here.- *- * Date provider selection seems a bit out-of-place here, but since- * the date headers and provider functions are heavily platform- * specific, there's little point in duplicating the platform if-else- * ladder. All platform specific Date provider functions are in- * duk_bi_date.c; here we provide appropriate #defines to enable them,- * and include all the necessary system headers so that duk_bi_date.c- * compiles. Date "providers" are:- *- * NOW = getting current time (required)- * TZO = getting local time offset (required)- * PRS = parse datetime (optional)- * FMT = format datetime (optional)- *- * There's a lot of duplication here, unfortunately, because many- * platforms have similar (but not identical) headers, Date providers,- * etc. The duplication could be removed by more complicated nested- * #ifdefs, but it would then be more difficult to make fixes which- * affect only a specific platform.- *- * XXX: add a way to provide custom functions to provide the critical- * primitives; this would be convenient when porting to unknown platforms- * (rather than muck with Duktape internals).- */--#if defined(DUK_COMPILING_DUKTAPE) && \- (defined(DUK_F_LINUX) || defined(DUK_F_EMSCRIPTEN))-/* A more recent Emscripten (2014-05) seems to lack "linux" environment- * defines, so check for Emscripten explicitly.- */-#ifndef _POSIX_C_SOURCE-#define _POSIX_C_SOURCE 200809L-#endif-#ifndef _GNU_SOURCE-#define _GNU_SOURCE /* e.g. getdate_r */-#endif-#ifndef _XOPEN_SOURCE-#define _XOPEN_SOURCE /* e.g. strptime */-#endif-#endif--#if defined(DUK_F_QNX) && defined(DUK_COMPILING_DUKTAPE)-/* See: /opt/qnx650/target/qnx6/usr/include/sys/platform.h */-#define _XOPEN_SOURCE 600-#define _POSIX_C_SOURCE 200112L-#endif--#undef DUK_F_MSVC_CRT_SECURE-#if defined(DUK_F_WINDOWS) && defined(_MSC_VER)-/* http://msdn.microsoft.com/en-us/library/8ef0s5kh.aspx- * http://msdn.microsoft.com/en-us/library/wd3wzwts.aspx- * Seem to be available since VS2005.- */-#if (_MSC_VER >= 1400)-/* VS2005+, secure CRT functions are preferred. Windows Store applications- * (and probably others) should use these.- */-#define DUK_F_MSVC_CRT_SECURE-#endif-#if (_MSC_VER < 1700)-/* VS2012+ has stdint.h, < VS2012 does not (but it's available for download). */-#define DUK_F_NO_STDINT_H-#endif-/* Initial fix: disable secure CRT related warnings when compiling Duktape- * itself (must be defined before including Windows headers). Don't define- * for user code including duktape.h.- */-#if defined(DUK_COMPILING_DUKTAPE) && !defined(_CRT_SECURE_NO_WARNINGS)-#define _CRT_SECURE_NO_WARNINGS-#endif-#endif /* DUK_F_WINDOWS && _MSC_VER */--#if defined(DUK_F_TOS) || defined(DUK_F_BCC)-#define DUK_F_NO_STDINT_H-#endif--/* Workaround for older C++ compilers before including <inttypes.h>,- * see e.g.: https://sourceware.org/bugzilla/show_bug.cgi?id=15366- */-#if defined(__cplusplus) && !defined(__STDC_LIMIT_MACROS)-#define __STDC_LIMIT_MACROS-#endif-#if defined(__cplusplus) && !defined(__STDC_CONSTANT_MACROS)-#define __STDC_CONSTANT_MACROS-#endif--#if defined(__APPLE__)-/* Mac OSX, iPhone, Darwin */-#define DUK_USE_DATE_NOW_GETTIMEOFDAY-#define DUK_USE_DATE_TZO_GMTIME_R-#define DUK_USE_DATE_PRS_STRPTIME-#define DUK_USE_DATE_FMT_STRFTIME-#include <TargetConditionals.h>-#include <architecture/byte_order.h>-#include <limits.h>-#include <sys/param.h>-#include <sys/time.h>-#include <time.h>-#elif defined(DUK_F_OPENBSD)-/* http://www.monkey.org/openbsd/archive/ports/0401/msg00089.html */-#define DUK_USE_DATE_NOW_GETTIMEOFDAY-#define DUK_USE_DATE_TZO_GMTIME_R-#define DUK_USE_DATE_PRS_STRPTIME-#define DUK_USE_DATE_FMT_STRFTIME-#include <sys/types.h>-#include <sys/endian.h>-#include <limits.h>-#include <sys/param.h>-#include <sys/time.h>-#include <time.h>-#elif defined(DUK_F_BSD)-/* other BSD */-#define DUK_USE_DATE_NOW_GETTIMEOFDAY-#define DUK_USE_DATE_TZO_GMTIME_R-#define DUK_USE_DATE_PRS_STRPTIME-#define DUK_USE_DATE_FMT_STRFTIME-#include <sys/types.h>-#include <sys/endian.h>-#include <limits.h>-#include <sys/param.h>-#include <sys/time.h>-#include <time.h>-#elif defined(DUK_F_TOS)-/* Atari ST TOS */-#define DUK_USE_DATE_NOW_TIME-#define DUK_USE_DATE_TZO_GMTIME-/* no parsing (not an error) */-#define DUK_USE_DATE_FMT_STRFTIME-#include <limits.h>-#include <time.h>-#elif defined(DUK_F_AMIGAOS)-#if defined(DUK_F_M68K)-/* AmigaOS on M68k */-#define DUK_USE_DATE_NOW_TIME-#define DUK_USE_DATE_TZO_GMTIME-/* no parsing (not an error) */-#define DUK_USE_DATE_FMT_STRFTIME-#include <limits.h>-#include <time.h>-#else-#error AmigaOS but not M68K, not supported now-#endif-#elif defined(DUK_F_WINDOWS)-/* Windows 32-bit and 64-bit are currently the same. */-/* MSVC does not have sys/param.h */-#define DUK_USE_DATE_NOW_WINDOWS-#define DUK_USE_DATE_TZO_WINDOWS-/* Note: PRS and FMT are intentionally left undefined for now. This means- * there is no platform specific date parsing/formatting but there is still- * the ISO 8601 standard format.- */-#include <windows.h>-#include <limits.h>-#elif defined(DUK_F_FLASHPLAYER)-/* Crossbridge */-#define DUK_USE_DATE_NOW_GETTIMEOFDAY-#define DUK_USE_DATE_TZO_GMTIME_R-#define DUK_USE_DATE_PRS_STRPTIME-#define DUK_USE_DATE_FMT_STRFTIME-#include <endian.h>-#include <limits.h>-#include <sys/param.h>-#include <sys/time.h>-#include <time.h>-#elif defined(DUK_F_QNX)-#define DUK_USE_DATE_NOW_GETTIMEOFDAY-#define DUK_USE_DATE_TZO_GMTIME_R-#define DUK_USE_DATE_PRS_STRPTIME-#define DUK_USE_DATE_FMT_STRFTIME-#include <sys/types.h>-#include <limits.h>-#include <sys/param.h>-#include <sys/time.h>-#include <time.h>-#elif defined(DUK_F_TINSPIRE)-#define DUK_USE_DATE_NOW_GETTIMEOFDAY-#define DUK_USE_DATE_TZO_GMTIME_R-#define DUK_USE_DATE_PRS_STRPTIME-#define DUK_USE_DATE_FMT_STRFTIME-#include <sys/types.h>-#include <limits.h>-#include <sys/param.h>-#include <sys/time.h>-#include <time.h>-#elif defined(DUK_F_LINUX)-#define DUK_USE_DATE_NOW_GETTIMEOFDAY-#define DUK_USE_DATE_TZO_GMTIME_R-#define DUK_USE_DATE_PRS_STRPTIME-#define DUK_USE_DATE_FMT_STRFTIME-#include <sys/types.h>-#if defined(DUK_F_BCC)-/* no endian.h */-#else-#include <endian.h>-#endif /* DUK_F_BCC */-#include <limits.h>-#include <sys/param.h>-#include <sys/time.h>-#include <time.h>-#elif defined(__posix)-/* POSIX */-#define DUK_USE_DATE_NOW_GETTIMEOFDAY-#define DUK_USE_DATE_TZO_GMTIME_R-#define DUK_USE_DATE_PRS_STRPTIME-#define DUK_USE_DATE_FMT_STRFTIME-#include <sys/types.h>-#include <endian.h>-#include <limits.h>-#include <sys/param.h>-#include <sys/time.h>-#include <time.h>-#elif defined(DUK_F_CYGWIN)-/* Cygwin -- don't use strptime() for now */-#define DUK_USE_DATE_NOW_GETTIMEOFDAY-#define DUK_USE_DATE_TZO_GMTIME_R-#define DUK_USE_DATE_FMT_STRFTIME-#include <sys/types.h>-#include <endian.h>-#include <limits.h>-#include <sys/param.h>-#include <sys/time.h>-#include <time.h>-#else-/* Other UNIX, hopefully others */-#define DUK_USE_DATE_NOW_GETTIMEOFDAY-#define DUK_USE_DATE_TZO_GMTIME_R-#define DUK_USE_DATE_PRS_STRPTIME-#define DUK_USE_DATE_FMT_STRFTIME-#include <sys/types.h>-#if defined(DUK_F_BCC)-/* no endian.h */-#else-#include <endian.h>-#endif /* DUK_F_BCC */-#include <limits.h>-#include <sys/param.h>-#include <sys/time.h>-#include <time.h>-#endif--/* Shared includes */-#include <stdio.h>-#include <stdlib.h>-#include <string.h>-#include <stdarg.h> /* varargs */-#include <setjmp.h>-#include <stddef.h> /* e.g. ptrdiff_t */-#if defined(DUK_F_NO_STDINT_H)-/* stdint.h not available */-#else-/* Technically C99 (C++11) but found in many systems. Note the workaround- * above for some C++ compilers (__STDC_LIMIT_MACROS etc).- */-#include <stdint.h>-#endif-#include <math.h>--/*- * Detection for specific libc variants (like uclibc) and other libc specific- * features. Potentially depends on the #includes above.- */--#if defined(__UCLIBC__)-#define DUK_F_UCLIBC-#endif--/*- * Wrapper typedefs and constants for integer types, also sanity check types.- *- * C99 typedefs are quite good but not always available, and we want to avoid- * forcibly redefining the C99 typedefs. So, there are Duktape wrappers for- * all C99 typedefs and Duktape code should only use these typedefs. Type- * detection when C99 is not supported is best effort and may end up detecting- * some types incorrectly.- *- * Pointer sizes are a portability problem: pointers to different types may- * have a different size and function pointers are very difficult to manage- * portably.- *- * http://en.wikipedia.org/wiki/C_data_types#Fixed-width_integer_types- *- * Note: there's an interesting corner case when trying to define minimum- * signed integer value constants which leads to the current workaround of- * defining e.g. -0x80000000 as (-0x7fffffffL - 1L). See doc/code-issues.txt- * for a longer discussion.- *- * Note: avoid typecasts and computations in macro integer constants as they- * can then no longer be used in macro relational expressions (such as- * #if DUK_SIZE_MAX < 0xffffffffUL). There is internal code which relies on- * being able to compare DUK_SIZE_MAX against a limit.- */--/* XXX: add feature options to force basic types from outside? */--#if !defined(INT_MAX)-#error INT_MAX not defined-#endif--/* Check that architecture is two's complement, standard C allows e.g.- * INT_MIN to be -2**31+1 (instead of -2**31).- */-#if defined(INT_MAX) && defined(INT_MIN)-#if INT_MAX != -(INT_MIN + 1)-#error platform does not seem complement of two-#endif-#else-#error cannot check complement of two-#endif--/* Pointer size determination based on architecture.- * XXX: unsure about BCC correctness.- */-#if defined(DUK_F_X86) || defined(DUK_F_X32) || \- defined(DUK_F_BCC) || \- (defined(__WORDSIZE) && (__WORDSIZE == 32))-#define DUK_F_32BIT_PTRS-#elif defined(DUK_F_X64) || \- (defined(__WORDSIZE) && (__WORDSIZE == 64))-#define DUK_F_64BIT_PTRS-#else-/* not sure, not needed with C99 anyway */-#endif--/* Intermediate define for 'have inttypes.h' */-#undef DUK_F_HAVE_INTTYPES-#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && \- !(defined(DUK_F_AMIGAOS) && defined(DUK_F_VBCC))-/* vbcc + AmigaOS has C99 but no inttypes.h */-#define DUK_F_HAVE_INTTYPES-#elif defined(__cplusplus) && (__cplusplus >= 201103L)-/* C++11 apparently ratified stdint.h */-#define DUK_F_HAVE_INTTYPES-#endif--/* Basic integer typedefs and limits, preferably from inttypes.h, otherwise- * through automatic detection.- */-#if defined(DUK_F_HAVE_INTTYPES)-/* C99 or compatible */--#define DUK_F_HAVE_64BIT-#include <inttypes.h>--typedef uint8_t duk_uint8_t;-typedef int8_t duk_int8_t;-typedef uint16_t duk_uint16_t;-typedef int16_t duk_int16_t;-typedef uint32_t duk_uint32_t;-typedef int32_t duk_int32_t;-typedef uint64_t duk_uint64_t;-typedef int64_t duk_int64_t;-typedef uint_least8_t duk_uint_least8_t;-typedef int_least8_t duk_int_least8_t;-typedef uint_least16_t duk_uint_least16_t;-typedef int_least16_t duk_int_least16_t;-typedef uint_least32_t duk_uint_least32_t;-typedef int_least32_t duk_int_least32_t;-typedef uint_least64_t duk_uint_least64_t;-typedef int_least64_t duk_int_least64_t;-typedef uint_fast8_t duk_uint_fast8_t;-typedef int_fast8_t duk_int_fast8_t;-typedef uint_fast16_t duk_uint_fast16_t;-typedef int_fast16_t duk_int_fast16_t;-typedef uint_fast32_t duk_uint_fast32_t;-typedef int_fast32_t duk_int_fast32_t;-typedef uint_fast64_t duk_uint_fast64_t;-typedef int_fast64_t duk_int_fast64_t;-typedef uintptr_t duk_uintptr_t;-typedef intptr_t duk_intptr_t;-typedef uintmax_t duk_uintmax_t;-typedef intmax_t duk_intmax_t;--#define DUK_UINT8_MIN 0-#define DUK_UINT8_MAX UINT8_MAX-#define DUK_INT8_MIN INT8_MIN-#define DUK_INT8_MAX INT8_MAX-#define DUK_UINT_LEAST8_MIN 0-#define DUK_UINT_LEAST8_MAX UINT_LEAST8_MAX-#define DUK_INT_LEAST8_MIN INT_LEAST8_MIN-#define DUK_INT_LEAST8_MAX INT_LEAST8_MAX-#define DUK_UINT_FAST8_MIN 0-#define DUK_UINT_FAST8_MAX UINT_FAST8_MAX-#define DUK_INT_FAST8_MIN INT_FAST8_MIN-#define DUK_INT_FAST8_MAX INT_FAST8_MAX-#define DUK_UINT16_MIN 0-#define DUK_UINT16_MAX UINT16_MAX-#define DUK_INT16_MIN INT16_MIN-#define DUK_INT16_MAX INT16_MAX-#define DUK_UINT_LEAST16_MIN 0-#define DUK_UINT_LEAST16_MAX UINT_LEAST16_MAX-#define DUK_INT_LEAST16_MIN INT_LEAST16_MIN-#define DUK_INT_LEAST16_MAX INT_LEAST16_MAX-#define DUK_UINT_FAST16_MIN 0-#define DUK_UINT_FAST16_MAX UINT_FAST16_MAX-#define DUK_INT_FAST16_MIN INT_FAST16_MIN-#define DUK_INT_FAST16_MAX INT_FAST16_MAX-#define DUK_UINT32_MIN 0-#define DUK_UINT32_MAX UINT32_MAX-#define DUK_INT32_MIN INT32_MIN-#define DUK_INT32_MAX INT32_MAX-#define DUK_UINT_LEAST32_MIN 0-#define DUK_UINT_LEAST32_MAX UINT_LEAST32_MAX-#define DUK_INT_LEAST32_MIN INT_LEAST32_MIN-#define DUK_INT_LEAST32_MAX INT_LEAST32_MAX-#define DUK_UINT_FAST32_MIN 0-#define DUK_UINT_FAST32_MAX UINT_FAST32_MAX-#define DUK_INT_FAST32_MIN INT_FAST32_MIN-#define DUK_INT_FAST32_MAX INT_FAST32_MAX-#define DUK_UINT64_MIN 0-#define DUK_UINT64_MAX UINT64_MAX-#define DUK_INT64_MIN INT64_MIN-#define DUK_INT64_MAX INT64_MAX-#define DUK_UINT_LEAST64_MIN 0-#define DUK_UINT_LEAST64_MAX UINT_LEAST64_MAX-#define DUK_INT_LEAST64_MIN INT_LEAST64_MIN-#define DUK_INT_LEAST64_MAX INT_LEAST64_MAX-#define DUK_UINT_FAST64_MIN 0-#define DUK_UINT_FAST64_MAX UINT_FAST64_MAX-#define DUK_INT_FAST64_MIN INT_FAST64_MIN-#define DUK_INT_FAST64_MAX INT_FAST64_MAX--#define DUK_UINTPTR_MIN 0-#define DUK_UINTPTR_MAX UINTPTR_MAX-#define DUK_INTPTR_MIN INTPTR_MIN-#define DUK_INTPTR_MAX INTPTR_MAX--#define DUK_UINTMAX_MIN 0-#define DUK_UINTMAX_MAX UINTMAX_MAX-#define DUK_INTMAX_MIN INTMAX_MIN-#define DUK_INTMAX_MAX INTMAX_MAX--#define DUK_SIZE_MIN 0-#define DUK_SIZE_MAX SIZE_MAX--#else /* C99 types */--/* When C99 types are not available, we use heuristic detection to get- * the basic 8, 16, 32, and (possibly) 64 bit types. The fast/least- * types are then assumed to be exactly the same for now: these could- * be improved per platform but C99 types are very often now available.- * 64-bit types are not available on all platforms; this is OK at least- * on 32-bit platforms.- *- * This detection code is necessarily a bit hacky and can provide typedefs- * and defines that won't work correctly on some exotic platform.- */--#if (defined(CHAR_BIT) && (CHAR_BIT == 8)) || \- (defined(UCHAR_MAX) && (UCHAR_MAX == 255))-typedef unsigned char duk_uint8_t;-typedef signed char duk_int8_t;-#else-#error cannot detect 8-bit type-#endif--#if defined(USHRT_MAX) && (USHRT_MAX == 65535UL)-typedef unsigned short duk_uint16_t;-typedef signed short duk_int16_t;-#elif defined(UINT_MAX) && (UINT_MAX == 65535UL)-/* On some platforms int is 16-bit but long is 32-bit (e.g. PureC) */-typedef unsigned int duk_uint16_t;-typedef signed int duk_int16_t;-#else-#error cannot detect 16-bit type-#endif--#if defined(UINT_MAX) && (UINT_MAX == 4294967295UL)-typedef unsigned int duk_uint32_t;-typedef signed int duk_int32_t;-#elif defined(ULONG_MAX) && (ULONG_MAX == 4294967295UL)-/* On some platforms int is 16-bit but long is 32-bit (e.g. PureC) */-typedef unsigned long duk_uint32_t;-typedef signed long duk_int32_t;-#else-#error cannot detect 32-bit type-#endif--/* 64-bit type detection is a bit tricky.- *- * ULLONG_MAX is a standard define. __LONG_LONG_MAX__ and __ULONG_LONG_MAX__- * are used by at least GCC (even if system headers don't provide ULLONG_MAX).- * Some GCC variants may provide __LONG_LONG_MAX__ but not __ULONG_LONG_MAX__.- *- * ULL / LL constants are rejected / warned about by some compilers, even if- * the compiler has a 64-bit type and the compiler/system headers provide an- * unsupported constant (ULL/LL)! Try to avoid using ULL / LL constants.- * As a side effect we can only check that e.g. ULONG_MAX is larger than 32- * bits but can't be sure it is exactly 64 bits. Self tests will catch such- * cases.- */-#undef DUK_F_HAVE_64BIT-#if !defined(DUK_F_HAVE_64BIT) && defined(ULONG_MAX)-#if (ULONG_MAX > 4294967295UL)-#define DUK_F_HAVE_64BIT-typedef unsigned long duk_uint64_t;-typedef signed long duk_int64_t;-#endif-#endif-#if !defined(DUK_F_HAVE_64BIT) && defined(ULLONG_MAX)-#if (ULLONG_MAX > 4294967295UL)-#define DUK_F_HAVE_64BIT-typedef unsigned long long duk_uint64_t;-typedef signed long long duk_int64_t;-#endif-#endif-#if !defined(DUK_F_HAVE_64BIT) && defined(__ULONG_LONG_MAX__)-#if (__ULONG_LONG_MAX__ > 4294967295UL)-#define DUK_F_HAVE_64BIT-typedef unsigned long long duk_uint64_t;-typedef signed long long duk_int64_t;-#endif-#endif-#if !defined(DUK_F_HAVE_64BIT) && defined(__LONG_LONG_MAX__)-#if (__LONG_LONG_MAX__ > 2147483647L)-#define DUK_F_HAVE_64BIT-typedef unsigned long long duk_uint64_t;-typedef signed long long duk_int64_t;-#endif-#endif-#if !defined(DUK_F_HAVE_64BIT) && \- (defined(DUK_F_MINGW) || defined(DUK_F_MSVC))-/* Both MinGW and MSVC have a 64-bit type. */-#define DUK_F_HAVE_64BIT-typedef unsigned long duk_uint64_t;-typedef signed long duk_int64_t;-#endif-#if !defined(DUK_F_HAVE_64BIT)-/* cannot detect 64-bit type, not always needed so don't error */-#endif--typedef duk_uint8_t duk_uint_least8_t;-typedef duk_int8_t duk_int_least8_t;-typedef duk_uint16_t duk_uint_least16_t;-typedef duk_int16_t duk_int_least16_t;-typedef duk_uint32_t duk_uint_least32_t;-typedef duk_int32_t duk_int_least32_t;-typedef duk_uint8_t duk_uint_fast8_t;-typedef duk_int8_t duk_int_fast8_t;-typedef duk_uint16_t duk_uint_fast16_t;-typedef duk_int16_t duk_int_fast16_t;-typedef duk_uint32_t duk_uint_fast32_t;-typedef duk_int32_t duk_int_fast32_t;-#if defined(DUK_F_HAVE_64BIT)-typedef duk_uint64_t duk_uint_least64_t;-typedef duk_int64_t duk_int_least64_t;-typedef duk_uint64_t duk_uint_fast64_t;-typedef duk_int64_t duk_int_fast64_t;-#endif-#if defined(DUK_F_HAVE_64BIT)-typedef duk_uint64_t duk_uintmax_t;-typedef duk_int64_t duk_intmax_t;-#else-typedef duk_uint32_t duk_uintmax_t;-typedef duk_int32_t duk_intmax_t;-#endif--/* Note: the funny looking computations for signed minimum 16-bit, 32-bit, and- * 64-bit values are intentional as the obvious forms (e.g. -0x80000000L) are- * -not- portable. See code-issues.txt for a detailed discussion.- */-#define DUK_UINT8_MIN 0UL-#define DUK_UINT8_MAX 0xffUL-#define DUK_INT8_MIN (-0x80L)-#define DUK_INT8_MAX 0x7fL-#define DUK_UINT_LEAST8_MIN 0UL-#define DUK_UINT_LEAST8_MAX 0xffUL-#define DUK_INT_LEAST8_MIN (-0x80L)-#define DUK_INT_LEAST8_MAX 0x7fL-#define DUK_UINT_FAST8_MIN 0UL-#define DUK_UINT_FAST8_MAX 0xffUL-#define DUK_INT_FAST8_MIN (-0x80L)-#define DUK_INT_FAST8_MAX 0x7fL-#define DUK_UINT16_MIN 0UL-#define DUK_UINT16_MAX 0xffffUL-#define DUK_INT16_MIN (-0x7fffL - 1L)-#define DUK_INT16_MAX 0x7fffL-#define DUK_UINT_LEAST16_MIN 0UL-#define DUK_UINT_LEAST16_MAX 0xffffUL-#define DUK_INT_LEAST16_MIN (-0x7fffL - 1L)-#define DUK_INT_LEAST16_MAX 0x7fffL-#define DUK_UINT_FAST16_MIN 0UL-#define DUK_UINT_FAST16_MAX 0xffffUL-#define DUK_INT_FAST16_MIN (-0x7fffL - 1L)-#define DUK_INT_FAST16_MAX 0x7fffL-#define DUK_UINT32_MIN 0UL-#define DUK_UINT32_MAX 0xffffffffUL-#define DUK_INT32_MIN (-0x7fffffffL - 1L)-#define DUK_INT32_MAX 0x7fffffffL-#define DUK_UINT_LEAST32_MIN 0UL-#define DUK_UINT_LEAST32_MAX 0xffffffffUL-#define DUK_INT_LEAST32_MIN (-0x7fffffffL - 1L)-#define DUK_INT_LEAST32_MAX 0x7fffffffL-#define DUK_UINT_FAST32_MIN 0UL-#define DUK_UINT_FAST32_MAX 0xffffffffUL-#define DUK_INT_FAST32_MIN (-0x7fffffffL - 1L)-#define DUK_INT_FAST32_MAX 0x7fffffffL--/* 64-bit constants. Since LL / ULL constants are not always available,- * use computed values. These values can't be used in preprocessor- * comparisons; flag them as such.- */-#if defined(DUK_F_HAVE_64BIT)-#define DUK_UINT64_MIN ((duk_uint64_t) 0)-#define DUK_UINT64_MAX ((duk_uint64_t) -1)-#define DUK_INT64_MIN ((duk_int64_t) (~(DUK_UINT64_MAX >> 1)))-#define DUK_INT64_MAX ((duk_int64_t) (DUK_UINT64_MAX >> 1))-#define DUK_UINT_LEAST64_MIN DUK_UINT64_MIN-#define DUK_UINT_LEAST64_MAX DUK_UINT64_MAX-#define DUK_INT_LEAST64_MIN DUK_INT64_MIN-#define DUK_INT_LEAST64_MAX DUK_INT64_MAX-#define DUK_UINT_FAST64_MIN DUK_UINT64_MIN-#define DUK_UINT_FAST64_MAX DUK_UINT64_MAX-#define DUK_INT_FAST64_MIN DUK_INT64_MIN-#define DUK_INT_FAST64_MAX DUK_INT64_MAX-#define DUK_UINT64_MIN_COMPUTED-#define DUK_UINT64_MAX_COMPUTED-#define DUK_INT64_MIN_COMPUTED-#define DUK_INT64_MAX_COMPUTED-#define DUK_UINT_LEAST64_MIN_COMPUTED-#define DUK_UINT_LEAST64_MAX_COMPUTED-#define DUK_INT_LEAST64_MIN_COMPUTED-#define DUK_INT_LEAST64_MAX_COMPUTED-#define DUK_UINT_FAST64_MIN_COMPUTED-#define DUK_UINT_FAST64_MAX_COMPUTED-#define DUK_INT_FAST64_MIN_COMPUTED-#define DUK_INT_FAST64_MAX_COMPUTED-#endif--#if defined(DUK_F_HAVE_64BIT)-#define DUK_UINTMAX_MIN DUK_UINT64_MIN-#define DUK_UINTMAX_MAX DUK_UINT64_MAX-#define DUK_INTMAX_MIN DUK_INT64_MIN-#define DUK_INTMAX_MAX DUK_INT64_MAX-#define DUK_UINTMAX_MIN_COMPUTED-#define DUK_UINTMAX_MAX_COMPUTED-#define DUK_INTMAX_MIN_COMPUTED-#define DUK_INTMAX_MAX_COMPUTED-#else-#define DUK_UINTMAX_MIN 0UL-#define DUK_UINTMAX_MAX 0xffffffffUL-#define DUK_INTMAX_MIN (-0x7fffffffL - 1L)-#define DUK_INTMAX_MAX 0x7fffffffL-#endif--/* This detection is not very reliable. */-#if defined(DUK_F_32BIT_PTRS)-typedef duk_int32_t duk_intptr_t;-typedef duk_uint32_t duk_uintptr_t;-#define DUK_UINTPTR_MIN DUK_UINT32_MIN-#define DUK_UINTPTR_MAX DUK_UINT32_MAX-#define DUK_INTPTR_MIN DUK_INT32_MIN-#define DUK_INTPTR_MAX DUK_INT32_MAX-#elif defined(DUK_F_64BIT_PTRS) && defined(DUK_F_HAVE_64BIT)-typedef duk_int64_t duk_intptr_t;-typedef duk_uint64_t duk_uintptr_t;-#define DUK_UINTPTR_MIN DUK_UINT64_MIN-#define DUK_UINTPTR_MAX DUK_UINT64_MAX-#define DUK_INTPTR_MIN DUK_INT64_MIN-#define DUK_INTPTR_MAX DUK_INT64_MAX-#define DUK_UINTPTR_MIN_COMPUTED-#define DUK_UINTPTR_MAX_COMPUTED-#define DUK_INTPTR_MIN_COMPUTED-#define DUK_INTPTR_MAX_COMPUTED-#else-#error cannot determine intptr type-#endif--/* SIZE_MAX may be missing so use an approximate value for it. */-#undef DUK_SIZE_MAX_COMPUTED-#if !defined(SIZE_MAX)-#define DUK_SIZE_MAX_COMPUTED-#define SIZE_MAX ((size_t) (-1))-#endif-#define DUK_SIZE_MIN 0-#define DUK_SIZE_MAX SIZE_MAX--#endif /* C99 types */--/* A few types are assumed to always exist. */-typedef size_t duk_size_t;-typedef ptrdiff_t duk_ptrdiff_t;--/* The best type for an "all around int" in Duktape internals is "at least- * 32 bit signed integer" which is most convenient. Same for unsigned type.- * Prefer 'int' when large enough, as it is almost always a convenient type.- */-#if defined(UINT_MAX) && (UINT_MAX >= 0xffffffffUL)-typedef int duk_int_t;-typedef unsigned int duk_uint_t;-#define DUK_INT_MIN INT_MIN-#define DUK_INT_MAX INT_MAX-#define DUK_UINT_MIN 0-#define DUK_UINT_MAX UINT_MAX-#else-typedef duk_int_fast32_t duk_int_t;-typedef duk_uint_fast32_t duk_uint_t;-#define DUK_INT_MIN DUK_INT_FAST32_MIN-#define DUK_INT_MAX DUK_INT_FAST32_MAX-#define DUK_UINT_MIN DUK_UINT_FAST32_MIN-#define DUK_UINT_MAX DUK_UINT_FAST32_MAX-#endif--/* Same as 'duk_int_t' but guaranteed to be a 'fast' variant if this- * distinction matters for the CPU. These types are used mainly in the- * executor where it might really matter.- */-typedef duk_int_fast32_t duk_int_fast_t;-typedef duk_uint_fast32_t duk_uint_fast_t;-#define DUK_INT_FAST_MIN DUK_INT_FAST32_MIN-#define DUK_INT_FAST_MAX DUK_INT_FAST32_MAX-#define DUK_UINT_FAST_MIN DUK_UINT_FAST32_MIN-#define DUK_UINT_FAST_MAX DUK_UINT_FAST32_MAX--/* Small integers (16 bits or more) can fall back to the 'int' type, but- * have a typedef so they are marked "small" explicitly.- */-typedef int duk_small_int_t;-typedef unsigned int duk_small_uint_t;-#define DUK_SMALL_INT_MIN INT_MIN-#define DUK_SMALL_INT_MAX INT_MAX-#define DUK_SMALL_UINT_MIN 0-#define DUK_SMALL_UINT_MAX UINT_MAX--/* Fast variants of small integers, again for really fast paths like the- * executor.- */-typedef duk_int_fast16_t duk_small_int_fast_t;-typedef duk_uint_fast16_t duk_small_uint_fast_t;-#define DUK_SMALL_INT_FAST_MIN DUK_INT_FAST16_MIN-#define DUK_SMALL_INT_FAST_MAX DUK_INT_FAST16_MAX-#define DUK_SMALL_UINT_FAST_MIN DUK_UINT_FAST16_MIN-#define DUK_SMALL_UINT_FAST_MAX DUK_UINT_FAST16_MAX--/* Boolean values are represented with the platform 'int'. */-typedef duk_small_int_t duk_bool_t;-#define DUK_BOOL_MIN DUK_SMALL_INT_MIN-#define DUK_BOOL_MAX DUK_SMALL_INT_MAX--/* Index values must have at least 32-bit signed range. */-typedef duk_int_t duk_idx_t;-#define DUK_IDX_MIN DUK_INT_MIN-#define DUK_IDX_MAX DUK_INT_MAX--/* Array index values, could be exact 32 bits.- * Currently no need for signed duk_arridx_t.- */-typedef duk_uint_t duk_uarridx_t;-#define DUK_UARRIDX_MIN DUK_UINT_MIN-#define DUK_UARRIDX_MAX DUK_UINT_MAX--/* Duktape/C function return value, platform int is enough for now to- * represent 0, 1, or negative error code. Must be compatible with- * assigning truth values (e.g. duk_ret_t rc = (foo == bar);).- */-typedef duk_small_int_t duk_ret_t;-#define DUK_RET_MIN DUK_SMALL_INT_MIN-#define DUK_RET_MAX DUK_SMALL_INT_MAX--/* Error codes are represented with platform int. High bits are used- * for flags and such, so 32 bits are needed.- */-typedef duk_int_t duk_errcode_t;-#define DUK_ERRCODE_MIN DUK_INT_MIN-#define DUK_ERRCODE_MAX DUK_INT_MAX--/* Codepoint type. Must be 32 bits or more because it is used also for- * internal codepoints. The type is signed because negative codepoints- * are used as internal markers (e.g. to mark EOF or missing argument).- * (X)UTF-8/CESU-8 encode/decode take and return an unsigned variant to- * ensure duk_uint32_t casts back and forth nicely. Almost everything- * else uses the signed one.- */-typedef duk_int_t duk_codepoint_t;-typedef duk_uint_t duk_ucodepoint_t;-#define DUK_CODEPOINT_MIN DUK_INT_MIN-#define DUK_CODEPOINT_MAX DUK_INT_MAX-#define DUK_UCODEPOINT_MIN DUK_UINT_MIN-#define DUK_UCODEPOINT_MAX DUK_UINT_MAX--/* IEEE double typedef. */-typedef double duk_double_t;--/* We're generally assuming that we're working on a platform with a 32-bit- * address space. If DUK_SIZE_MAX is a typecast value (which is necessary- * if SIZE_MAX is missing), the check must be avoided because the- * preprocessor can't do a comparison.- */-#if !defined(DUK_SIZE_MAX)-#error DUK_SIZE_MAX is undefined, probably missing SIZE_MAX-#elif !defined(DUK_SIZE_MAX_COMPUTED)-#if DUK_SIZE_MAX < 0xffffffffUL-/* On some systems SIZE_MAX can be smaller than max unsigned 32-bit value- * which seems incorrect if size_t is (at least) an unsigned 32-bit type.- * However, it doesn't seem useful to error out compilation if this is the- * case.- */-#endif-#endif--/* Convenience define: 32-bit pointers. 32-bit platforms are an important- * footprint optimization target, and this define allows e.g. struct sizes- * to be organized for compactness.- */--#undef DUK_USE_32BIT_PTRS-#if defined(DUK_UINTPTR_MAX) && !defined(DUK_UINTPTR_MAX_COMPUTED)-#if DUK_UINTPTR_MAX <= 0xffffffffUL-#define DUK_USE_32BIT_PTRS-#endif-#endif--/*- * Check whether we should use 64-bit integers- */--/* Quite incomplete now. Use 64-bit types if detected (C99 or other detection)- * unless they are known to be unreliable. For instance, 64-bit types are- * available on VBCC but seem to misbehave.- */-#if defined(DUK_F_HAVE_64BIT) && !defined(DUK_F_VBCC)-#define DUK_USE_64BIT_OPS-#else-#undef DUK_USE_64BIT_OPS-#endif--/*- * Alignment requirement and support for unaligned accesses- *- * Assume unaligned accesses are not supported unless specifically allowed- * in the target platform. Some platforms may support unaligned accesses- * but alignment to 4 or 8 may still be desirable.- */--#undef DUK_USE_UNALIGNED_ACCESSES_POSSIBLE-#undef DUK_USE_ALIGN_4-#undef DUK_USE_ALIGN_8--#if defined(DUK_F_EMSCRIPTEN)-/* Required on at least some targets, so use whenever Emscripten used,- * regardless of compilation target.- */-#define DUK_USE_ALIGN_8-#elif defined(DUK_F_ARM)-#define DUK_USE_ALIGN_4-#elif defined(DUK_F_MIPS32)-/* Based on 'make checkalign' there are no alignment requirements on- * Linux MIPS except for doubles, which need align by 4. Alignment- * requirements vary based on target though.- */-#define DUK_USE_ALIGN_4-#elif defined(DUK_F_MIPS64)-/* Good default is a bit arbitrary because alignment requirements- * depend on target. See https://github.com/svaarala/duktape/issues/102.- */-#define DUK_USE_ALIGN_8-#elif defined(DUK_F_SUPERH)-/* Based on 'make checkalign' there are no alignment requirements on- * Linux SH4, but align by 4 is probably a good basic default.- */-#define DUK_USE_ALIGN_4-#elif defined(DUK_F_X86) || defined(DUK_F_X32) || defined(DUK_F_X64) || \- defined(DUK_F_BCC)-/* XXX: This is technically not guaranteed because it's possible to configure- * an x86 to require aligned accesses with Alignment Check (AC) flag.- */-#define DUK_USE_UNALIGNED_ACCESSES_POSSIBLE-#else-/* Unknown, use safe default */-#define DUK_USE_ALIGN_8-#endif--/* User forced alignment to 4 or 8. */-#if defined(DUK_OPT_FORCE_ALIGN)-#undef DUK_USE_UNALIGNED_ACCESSES_POSSIBLE-#undef DUK_USE_ALIGN_4-#undef DUK_USE_ALIGN_8-#if (DUK_OPT_FORCE_ALIGN == 4)-#define DUK_USE_ALIGN_4-#elif (DUK_OPT_FORCE_ALIGN == 8)-#define DUK_USE_ALIGN_8-#else-#error invalid DUK_OPT_FORCE_ALIGN value-#endif-#endif--/* Compiler specific hackery needed to force struct size to match aligment,- * see e.g. duk_hbuffer.h.- *- * http://stackoverflow.com/questions/11130109/c-struct-size-alignment- * http://stackoverflow.com/questions/10951039/specifying-64-bit-alignment- */-#if defined(DUK_F_MSVC)-#define DUK_USE_PACK_MSVC_PRAGMA-#elif defined(DUK_F_GCC)-#define DUK_USE_PACK_GCC_ATTR-#elif defined(DUK_F_CLANG)-#define DUK_USE_PACK_CLANG_ATTR-#else-#define DUK_USE_PACK_DUMMY_MEMBER-#endif--#ifdef DUK_USE_UNALIGNED_ACCESSES_POSSIBLE-#define DUK_USE_HASHBYTES_UNALIGNED_U32_ACCESS-#else-#undef DUK_USE_HASHBYTES_UNALIGNED_U32_ACCESS-#endif--/* Object property allocation layout has implications for memory and code- * footprint and generated code size/speed. The best layout also depends- * on whether the platform has alignment requirements or benefits from- * having mostly aligned accesses.- */-#undef DUK_USE_HOBJECT_LAYOUT_1-#undef DUK_USE_HOBJECT_LAYOUT_2-#undef DUK_USE_HOBJECT_LAYOUT_3-#if defined(DUK_USE_UNALIGNED_ACCESSES_POSSIBLE) && \- !defined(DUK_USE_ALIGN_4) && !defined(DUK_USE_ALIGN_8)-/* On platforms without any alignment issues, layout 1 is preferable- * because it compiles to slightly less code and provides direct access- * to property keys.- */-#define DUK_USE_HOBJECT_LAYOUT_1-#else-/* On other platforms use layout 2, which requires some padding but- * is a bit more natural than layout 3 in ordering the entries. Layout- * 3 is currently not used.- */-#define DUK_USE_HOBJECT_LAYOUT_2-#endif--/*- * Byte order and double memory layout detection- *- * Endianness detection is a major portability hassle because the macros- * and headers are not standardized. There's even variance across UNIX- * platforms. Even with "standard" headers, details like underscore count- * varies between platforms, e.g. both __BYTE_ORDER and _BYTE_ORDER are used- * (Crossbridge has a single underscore, for instance).- *- * The checks below are structured with this in mind: several approaches are- * used, and at the end we check if any of them worked. This allows generic- * approaches to be tried first, and platform/compiler specific hacks tried- * last. As a last resort, the user can force a specific endianness, as it's- * not likely that automatic detection will work on the most exotic platforms.- *- * Duktape supports little and big endian machines. There's also support- * for a hybrid used by some ARM machines where integers are little endian- * but IEEE double values use a mixed order (12345678 -> 43218765). This- * byte order for doubles is referred to as "mixed endian".- */--#undef DUK_F_BYTEORDER-#undef DUK_USE_BYTEORDER_FORCED--/* DUK_F_BYTEORDER is set as an intermediate value when detection- * succeeds, to one of:- * 1 = little endian- * 2 = mixed (arm hybrid) endian- * 3 = big endian- */--/* For custom platforms allow user to define byteorder explicitly.- * Since endianness headers are not standardized, this is a useful- * workaround for custom platforms for which endianness detection- * is not directly supported. Perhaps custom hardware is used and- * user cannot submit upstream patches.- */-#if defined(DUK_OPT_FORCE_BYTEORDER)-#if (DUK_OPT_FORCE_BYTEORDER == 1)-#define DUK_F_BYTEORDER 1-#elif (DUK_OPT_FORCE_BYTEORDER == 2)-#define DUK_F_BYTEORDER 2-#elif (DUK_OPT_FORCE_BYTEORDER == 3)-#define DUK_F_BYTEORDER 3-#else-#error invalid DUK_OPT_FORCE_BYTEORDER value-#endif-#define DUK_USE_BYTEORDER_FORCED-#endif /* DUK_OPT_FORCE_BYTEORDER */--/* More or less standard endianness predefines provided by header files.- * The ARM hybrid case is detected by assuming that __FLOAT_WORD_ORDER- * will be big endian, see: http://lists.mysql.com/internals/443.- */-#if !defined(DUK_F_BYTEORDER)-#if defined(__BYTE_ORDER) && defined(__LITTLE_ENDIAN) && (__BYTE_ORDER == __LITTLE_ENDIAN) || \- defined(_BYTE_ORDER) && defined(_LITTLE_ENDIAN) && (_BYTE_ORDER == _LITTLE_ENDIAN) || \- defined(__LITTLE_ENDIAN__)-/* Integer little endian */-#if defined(__FLOAT_WORD_ORDER) && defined(__LITTLE_ENDIAN) && (__FLOAT_WORD_ORDER == __LITTLE_ENDIAN) || \- defined(_FLOAT_WORD_ORDER) && defined(_LITTLE_ENDIAN) && (_FLOAT_WORD_ORDER == _LITTLE_ENDIAN)-#define DUK_F_BYTEORDER 1-#elif defined(__FLOAT_WORD_ORDER) && defined(__BIG_ENDIAN) && (__FLOAT_WORD_ORDER == __BIG_ENDIAN) || \- defined(_FLOAT_WORD_ORDER) && defined(_BIG_ENDIAN) && (_FLOAT_WORD_ORDER == _BIG_ENDIAN)-#define DUK_F_BYTEORDER 2-#elif !defined(__FLOAT_WORD_ORDER) && !defined(_FLOAT_WORD_ORDER)-/* Float word order not known, assume not a hybrid. */-#define DUK_F_BYTEORDER 1-#else-/* byte order is little endian but cannot determine IEEE double word order */-#endif /* float word order */-#elif defined(__BYTE_ORDER) && defined(__BIG_ENDIAN) && (__BYTE_ORDER == __BIG_ENDIAN) || \- defined(_BYTE_ORDER) && defined(_BIG_ENDIAN) && (_BYTE_ORDER == _BIG_ENDIAN) || \- defined(__BIG_ENDIAN__)-/* Integer big endian */-#if defined(__FLOAT_WORD_ORDER) && defined(__BIG_ENDIAN) && (__FLOAT_WORD_ORDER == __BIG_ENDIAN) || \- defined(_FLOAT_WORD_ORDER) && defined(_BIG_ENDIAN) && (_FLOAT_WORD_ORDER == _BIG_ENDIAN)-#define DUK_F_BYTEORDER 3-#elif !defined(__FLOAT_WORD_ORDER) && !defined(_FLOAT_WORD_ORDER)-/* Float word order not known, assume not a hybrid. */-#define DUK_F_BYTEORDER 3-#else-/* byte order is big endian but cannot determine IEEE double word order */-#endif /* float word order */-#else-/* cannot determine byte order */-#endif /* integer byte order */-#endif /* !defined(DUK_F_BYTEORDER) */--/* GCC and Clang provide endianness defines as built-in predefines, with- * leading and trailing double underscores (e.g. __BYTE_ORDER__). See- * output of "make gccpredefs" and "make clangpredefs". Clang doesn't- * seem to provide __FLOAT_WORD_ORDER__.- * http://gcc.gnu.org/onlinedocs/cpp/Common-Predefined-Macros.html- */-#if !defined(DUK_F_BYTEORDER) && defined(__BYTE_ORDER__)-#if defined(__ORDER_LITTLE_ENDIAN__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)-/* Integer little endian */-#if defined(__FLOAT_WORD_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \- (__FLOAT_WORD_ORDER__ == __ORDER_LITTLE_ENDIAN__)-#define DUK_F_BYTEORDER 1-#elif defined(__FLOAT_WORD_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && \- (__FLOAT_WORD_ORDER__ == __ORDER_BIG_ENDIAN__)-#define DUK_F_BYTEORDER 2-#elif !defined(__FLOAT_WORD_ORDER__)-/* Float word order not known, assume not a hybrid. */-#define DUK_F_BYTEORDER 1-#else-/* byte order is little endian but cannot determine IEEE double word order */-#endif /* float word order */-#elif defined(__ORDER_BIG_ENDIAN__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)-/* Integer big endian */-#if defined(__FLOAT_WORD_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && \- (__FLOAT_WORD_ORDER__ == __ORDER_BIG_ENDIAN__)-#define DUK_F_BYTEORDER 3-#elif !defined(__FLOAT_WORD_ORDER__)-/* Float word order not known, assume not a hybrid. */-#define DUK_F_BYTEORDER 3-#else-/* byte order is big endian but cannot determine IEEE double word order */-#endif /* float word order */-#else-/* cannot determine byte order; __ORDER_PDP_ENDIAN__ is related to 32-bit- * integer ordering and is not relevant- */-#endif /* integer byte order */-#endif /* !defined(DUK_F_BYTEORDER) && defined(__BYTE_ORDER__) */--/* Atari ST TOS */-#if !defined(DUK_F_BYTEORDER) && defined(DUK_F_TOS)-#define DUK_F_BYTEORDER 3-#endif--/* AmigaOS on M68k */-#if !defined(DUK_F_BYTEORDER) && defined(DUK_F_AMIGAOS)-#if defined(DUK_F_M68K)-#define DUK_F_BYTEORDER 3-#endif-#endif--/* On Windows, assume we're little endian. Even Itanium which has a- * configurable endianness runs little endian in Windows.- */-#if !defined(DUK_F_BYTEORDER) && defined(DUK_F_WINDOWS)-/* XXX: verify that Windows on ARM is little endian for floating point- * values too.- */-#define DUK_F_BYTEORDER 1-#endif /* Windows */--/* Crossbridge should work with the standard byteorder #ifdefs. It doesn't- * provide _FLOAT_WORD_ORDER but the standard approach now covers that case- * too. This has been left here just in case.- */-#if !defined(DUK_F_BYTEORDER) && defined(DUK_F_FLASHPLAYER)-#define DUK_F_BYTEORDER 1-#endif--/* QNX gcc cross compiler seems to define e.g. __LITTLEENDIAN__ or __BIGENDIAN__:- * $ /opt/qnx650/host/linux/x86/usr/bin/i486-pc-nto-qnx6.5.0-gcc -dM -E - </dev/null | grep -ni endian- * 67:#define __LITTLEENDIAN__ 1- * $ /opt/qnx650/host/linux/x86/usr/bin/mips-unknown-nto-qnx6.5.0-gcc -dM -E - </dev/null | grep -ni endian- * 81:#define __BIGENDIAN__ 1- * $ /opt/qnx650/host/linux/x86/usr/bin/arm-unknown-nto-qnx6.5.0-gcc -dM -E - </dev/null | grep -ni endian- * 70:#define __LITTLEENDIAN__ 1- */-#if !defined(DUK_F_BYTEORDER) && defined(DUK_F_QNX)-/* XXX: ARM hybrid? */-#if defined(__LITTLEENDIAN__)-#define DUK_F_BYTEORDER 1-#elif defined(__BIGENDIAN__)-#define DUK_F_BYTEORDER 3-#endif-#endif--/* Bruce's C Compiler (BCC), assume we're on x86. */-#if !defined(DUK_F_BYTEORDER) && defined(DUK_F_BCC)-#define DUK_F_BYTEORDER 1-#endif--/* Check whether or not byte order detection worked based on the intermediate- * define, and define final values. If detection failed, #error out.- */-#if defined(DUK_F_BYTEORDER)-#if (DUK_F_BYTEORDER == 1)-#define DUK_USE_INTEGER_LE-#define DUK_USE_DOUBLE_LE-#elif (DUK_F_BYTEORDER == 2)-#define DUK_USE_INTEGER_LE /* integer endianness is little on purpose */-#define DUK_USE_DOUBLE_ME-#elif (DUK_F_BYTEORDER == 3)-#define DUK_USE_INTEGER_BE-#define DUK_USE_DOUBLE_BE-#else-#error unsupported: byte order detection failed (internal error, should not happen)-#endif /* byte order */-#else-#error unsupported: byte order detection failed-#endif /* defined(DUK_F_BYTEORDER) */--/*- * Check whether or not a packed duk_tval representation is possible.- * What's basically required is that pointers are 32-bit values- * (sizeof(void *) == 4). Best effort check, not always accurate.- * If guess goes wrong, crashes may result; self tests also verify- * the guess.- */--#undef DUK_USE_PACKED_TVAL_POSSIBLE--/* Strict C99 case: DUK_UINTPTR_MAX (= UINTPTR_MAX) should be very reliable */-#if !defined(DUK_USE_PACKED_TVAL_POSSIBLE) && defined(DUK_F_HAVE_INTTYPES) && defined(DUK_UINTPTR_MAX)-#if (DUK_UINTPTR_MAX <= 0xffffffffUL)-#define DUK_USE_PACKED_TVAL_POSSIBLE-#endif-#endif--/* Non-C99 case, still relying on DUK_UINTPTR_MAX, as long as it is not a computed value */-#if !defined(DUK_USE_PACKED_TVAL_POSSIBLE) && defined(DUK_UINTPTR_MAX) && !defined(DUK_UINTPTR_MAX_COMPUTED)-#if (DUK_UINTPTR_MAX <= 0xffffffffUL)-#define DUK_USE_PACKED_TVAL_POSSIBLE-#endif-#endif--/* DUK_SIZE_MAX (= SIZE_MAX) is often reliable */-#if !defined(DUK_USE_PACKED_TVAL_POSSIBLE) && defined(DUK_SIZE_MAX) && !defined(DUK_SIZE_MAX_COMPUTED)-#if DUK_SIZE_MAX <= 0xffffffffUL-#define DUK_USE_PACKED_TVAL_POSSIBLE-#endif-#endif--/* M68K: packed always possible */-#if !defined(DUK_USE_PACKED_TVAL_POSSIBLE) && defined(DUK_F_M68K)-#define DUK_USE_PACKED_TVAL_POSSIBLE-#endif--/* With Emscripten, force unpacked duk_tval just to be safe, as it seems to- * break at least on Firefox (probably IEEE double arithmetic is not 100%- * supported, especially for NaNs).- */-#if defined(DUK_USE_PACKED_TVAL_POSSIBLE) && defined(DUK_F_EMSCRIPTEN)-#undef DUK_USE_PACKED_TVAL_POSSIBLE-#endif--/* Microsoft Visual Studio 2010 on x64 fails the above rules and tries to- * use a packed type. Force unpacked on x64 in general.- */-#if defined(DUK_USE_PACKED_TVAL_POSSIBLE) && defined(DUK_F_X64)-#undef DUK_USE_PACKED_TVAL_POSSIBLE-#endif--/* GCC/clang inaccurate math would break compliance and probably duk_tval,- * so refuse to compile. Relax this if -ffast-math is tested to work.- */-#if defined(__FAST_MATH__)-#error __FAST_MATH__ defined, refusing to compile-#endif--/*- * Detection of double constants and math related functions. Availability- * of constants and math functions is a significant porting concern.- *- * INFINITY/HUGE_VAL is problematic on GCC-3.3: it causes an overflow warning- * and there is no pragma in GCC-3.3 to disable it. Using __builtin_inf()- * avoids this problem for some reason.- */--#define DUK_DOUBLE_2TO32 4294967296.0-#define DUK_DOUBLE_2TO31 2147483648.0--#undef DUK_USE_COMPUTED_INFINITY-#if defined(DUK_F_GCC_VERSION) && (DUK_F_GCC_VERSION < 40600)-/* GCC older than 4.6: avoid overflow warnings related to using INFINITY */-#define DUK_DOUBLE_INFINITY (__builtin_inf())-#elif defined(INFINITY)-#define DUK_DOUBLE_INFINITY ((double) INFINITY)-#elif !defined(DUK_F_VBCC) && !defined(DUK_F_MSVC) && !defined(DUK_F_BCC)-#define DUK_DOUBLE_INFINITY (1.0 / 0.0)-#else-/* In VBCC (1.0 / 0.0) results in a warning and 0.0 instead of infinity.- * Use a computed infinity (initialized when a heap is created at the- * latest).- */-extern double duk_computed_infinity;-#define DUK_USE_COMPUTED_INFINITY-#define DUK_DOUBLE_INFINITY duk_computed_infinity-#endif--#undef DUK_USE_COMPUTED_NAN-#if defined(NAN)-#define DUK_DOUBLE_NAN NAN-#elif !defined(DUK_F_VBCC) && !defined(DUK_F_MSVC) && !defined(DUK_F_BCC)-#define DUK_DOUBLE_NAN (0.0 / 0.0)-#else-/* In VBCC (0.0 / 0.0) results in a warning and 0.0 instead of NaN.- * In MSVC (VS2010 Express) (0.0 / 0.0) results in a compile error.- * Use a computed NaN (initialized when a heap is created at the- * latest).- */-extern double duk_computed_nan;-#define DUK_USE_COMPUTED_NAN-#define DUK_DOUBLE_NAN duk_computed_nan-#endif--/* Many platforms are missing fpclassify() and friends, so use replacements- * if necessary. The replacement constants (FP_NAN etc) can be anything but- * match Linux constants now.- */-#undef DUK_USE_REPL_FPCLASSIFY-#undef DUK_USE_REPL_SIGNBIT-#undef DUK_USE_REPL_ISFINITE-#undef DUK_USE_REPL_ISNAN-#undef DUK_USE_REPL_ISINF--/* Complex condition broken into separate parts. */-#undef DUK_F_USE_REPL_ALL-#if !(defined(FP_NAN) && defined(FP_INFINITE) && defined(FP_ZERO) && \- defined(FP_SUBNORMAL) && defined(FP_NORMAL))-/* Missing some obvious constants. */-#define DUK_F_USE_REPL_ALL-#elif defined(DUK_F_AMIGAOS) && defined(DUK_F_VBCC)-/* VBCC is missing the built-ins even in C99 mode (perhaps a header issue) */-#define DUK_F_USE_REPL_ALL-#elif defined(DUK_F_FREEBSD) && defined(DUK_F_CLANG)-/* Placeholder fix for (detection is wider than necessary):- * http://llvm.org/bugs/show_bug.cgi?id=17788- */-#define DUK_F_USE_REPL_ALL-#elif defined(DUK_F_UCLIBC)-/* At least some uclibc versions have broken floating point math. For- * example, fpclassify() can incorrectly classify certain NaN formats.- * To be safe, use replacements.- */-#define DUK_F_USE_REPL_ALL-#endif--#if defined(DUK_F_USE_REPL_ALL)-#define DUK_USE_REPL_FPCLASSIFY-#define DUK_USE_REPL_SIGNBIT-#define DUK_USE_REPL_ISFINITE-#define DUK_USE_REPL_ISNAN-#define DUK_USE_REPL_ISINF-#define DUK_FPCLASSIFY duk_repl_fpclassify-#define DUK_SIGNBIT duk_repl_signbit-#define DUK_ISFINITE duk_repl_isfinite-#define DUK_ISNAN duk_repl_isnan-#define DUK_ISINF duk_repl_isinf-#define DUK_FP_NAN 0-#define DUK_FP_INFINITE 1-#define DUK_FP_ZERO 2-#define DUK_FP_SUBNORMAL 3-#define DUK_FP_NORMAL 4-#else-#define DUK_FPCLASSIFY fpclassify-#define DUK_SIGNBIT signbit-#define DUK_ISFINITE isfinite-#define DUK_ISNAN isnan-#define DUK_ISINF isinf-#define DUK_FP_NAN FP_NAN-#define DUK_FP_INFINITE FP_INFINITE-#define DUK_FP_ZERO FP_ZERO-#define DUK_FP_SUBNORMAL FP_SUBNORMAL-#define DUK_FP_NORMAL FP_NORMAL-#endif--#if defined(DUK_F_USE_REPL_ALL)-#undef DUK_F_USE_REPL_ALL-#endif--/* Some math functions are C99 only. This is also an issue with some- * embedded environments using uclibc where uclibc has been configured- * not to provide some functions. For now, use replacements whenever- * using uclibc.- */-#undef DUK_USE_MATH_FMIN-#undef DUK_USE_MATH_FMAX-#undef DUK_USE_MATH_ROUND-#if defined(DUK_F_UCLIBC)-/* uclibc may be missing these */-#elif defined(DUK_F_AMIGAOS) && defined(DUK_F_VBCC)-/* vbcc + AmigaOS may be missing these */-#elif !defined(DUK_F_C99) && !defined(DUK_F_CPP11)-/* build is not C99 or C++11, play it safe */-#else-/* C99 or C++11, no known issues */-#define DUK_USE_MATH_FMIN-#define DUK_USE_MATH_FMAX-#define DUK_USE_MATH_ROUND-#endif--/* These functions don't currently need replacement but are wrapped for- * completeness. Because these are used as function pointers, they need- * to be defined as concrete C functions (not macros).- */-#define DUK_FABS fabs-#define DUK_FMIN fmin-#define DUK_FMAX fmax-#define DUK_FLOOR floor-#define DUK_CEIL ceil-#define DUK_FMOD fmod-#define DUK_POW pow-#define DUK_ACOS acos-#define DUK_ASIN asin-#define DUK_ATAN atan-#define DUK_ATAN2 atan2-#define DUK_SIN sin-#define DUK_COS cos-#define DUK_TAN tan-#define DUK_EXP exp-#define DUK_LOG log-#define DUK_SQRT sqrt--/* NetBSD 6.0 x86 (at least) has a few problems with pow() semantics,- * see test-bug-netbsd-math-pow.js. Use NetBSD specific workaround.- * (This might be a wider problem; if so, generalize the define name.)- */-#undef DUK_USE_POW_NETBSD_WORKAROUND-#if defined(DUK_F_NETBSD)-#define DUK_USE_POW_NETBSD_WORKAROUND-#endif--/* Rely as little as possible on compiler behavior for NaN comparison,- * signed zero handling, etc. Currently never activated but may be needed- * for broken compilers.- */-#undef DUK_USE_PARANOID_MATH--/* There was a curious bug where test-bi-date-canceling.js would fail e.g.- * on 64-bit Ubuntu, gcc-4.8.1, -m32, and no -std=c99. Some date computations- * using doubles would be optimized which then broke some corner case tests.- * The problem goes away by adding 'volatile' to the datetime computations.- * Not sure what the actual triggering conditions are, but using this on- * non-C99 systems solves the known issues and has relatively little cost- * on other platforms. See bugs/issue-2e9d9c2d761dabaf8136c0897b91a270d1a47147.yaml.- */-#undef DUK_USE_PARANOID_DATE_COMPUTATION-#if !defined(DUK_F_C99)-#define DUK_USE_PARANOID_DATE_COMPUTATION-#endif--/*- * ANSI C string/memory function wrapper defines to allow easier workarounds.- * Also convenience macros like DUK_MEMZERO which may be mapped to existing- * platform function to zero memory (like the deprecated bzero).- *- * For instance, some platforms don't support zero-size memcpy correctly,- * some arcane uclibc versions have a buggy memcpy (but working memmove)- * and so on. Such broken platforms can be dealt with here.- *- * NOTE: ANSI C (various versions) and some implementations require that the- * pointer arguments to memset(), memcpy(), and memmove() be valid values- * even when byte size is 0 (even a NULL pointer is considered invalid in- * this context). Zero-size operations as such are allowed, as long as their- * pointer arguments point to a valid memory area. The DUK_MEMSET(),- * DUK_MEMCPY(), and DUK_MEMMOVE() macros require this same behavior, i.e.:- * (1) pointers must be valid and non-NULL, (2) zero size must otherwise be- * allowed. If these are not fulfilled, a macro wrapper is needed.- *- * http://stackoverflow.com/questions/5243012/is-it-guaranteed-to-be-safe-to-perform-memcpy0-0-0- * http://lists.cs.uiuc.edu/pipermail/llvmdev/2007-October/011065.html- *- * Not sure what's the required behavior when a pointer points just past the- * end of a buffer, which often happens in practice (e.g. zero size memmoves).- * For example, if allocation size is 3, the following pointer would not- * technically point to a valid memory byte:- *- * <-- alloc -->- * | 0 | 1 | 2 | .....- * ^-- p=3, points after last valid byte (2)- *- * If this is a practical issue, wrappers are again needed.- */--typedef FILE duk_file;-#define DUK_STDIN stdin-#define DUK_STDOUT stdout-#define DUK_STDERR stderr--/* Special naming to avoid conflict with e.g. DUK_FREE() in duk_heap.h- * (which is unfortunately named).- */-#define DUK_ANSI_MALLOC malloc-#define DUK_ANSI_REALLOC realloc-#define DUK_ANSI_CALLOC calloc-#define DUK_ANSI_FREE free--/* Old uclibcs have a broken memcpy so use memmove instead (this is overly- * wide now on purpose):- * http://lists.uclibc.org/pipermail/uclibc-cvs/2008-October/025511.html- */-#if defined(DUK_F_UCLIBC)-#define DUK_MEMCPY memmove-#else-#define DUK_MEMCPY memcpy-#endif--#define DUK_MEMMOVE memmove-#define DUK_MEMCMP memcmp-#define DUK_MEMSET memset-#define DUK_STRLEN strlen-#define DUK_STRCMP strcmp-#define DUK_STRNCMP strncmp-#define DUK_PRINTF printf-#define DUK_FPRINTF fprintf-#define DUK_SPRINTF sprintf--#if defined(DUK_F_MSVC)-/* _snprintf() does NOT NUL terminate on truncation, but Duktape code never- * assumes that.- * http://stackoverflow.com/questions/2915672/snprintf-and-visual-studio-2010- */-#define DUK_SNPRINTF _snprintf-#else-#define DUK_SNPRINTF snprintf-#endif--#define DUK_VSPRINTF vsprintf--#if defined(DUK_F_MSVC)-#if (_MSC_VER < 1600)-/* Older MSVC version are missing vsnprintf() but have _vsnprintf(). */-#define DUK_VSNPRINTF _vsnprintf-#else-#define DUK_VSNPRINTF vsnprintf-#endif-#else-#define DUK_VSNPRINTF vsnprintf-#endif /* DUK_F_MSVC */--#define DUK_SSCANF sscanf-#define DUK_VSSCANF vsscanf-#define DUK_FOPEN fopen-#define DUK_FCLOSE fclose-#define DUK_FREAD fread-#define DUK_FWRITE fwrite-#define DUK_FSEEK fseek-#define DUK_FTELL ftell-#define DUK_FFLUSH fflush-#define DUK_FPUTC fputc--#define DUK_MEMZERO(p,n) \- DUK_MEMSET((p), 0, (n))--/*- * Avoiding platform function pointers.- *- * On some platforms built-in functions may be implemented as macros or- * inline functions, so they can't be necessarily addressed by function- * pointers. This is certainly the case with some platform "polyfills"- * which provide missing C99/C++11 functions through macros, and may be- * the case with VS2013 (see GH-17).- */--/* This is now the default: the cost in footprint is negligible. */-#define DUK_USE_AVOID_PLATFORM_FUNCPTRS--/*- * Vararg macro wrappers. We need va_copy() which is defined in C99 / C++11,- * so an awkward replacement is needed for pre-C99 / pre-C++11 environments.- * This will quite likely need portability hacks for some non-C99 environments.- */--#if defined(DUK_F_C99) || defined(DUK_F_CPP11)-/* C99 / C++11 and above: rely on va_copy() which is required.- * Omit parenthesis on macro right side on purpose to minimize differences- * to direct use.- */-#define DUK_VA_COPY(dest,src) va_copy(dest,src)-#elif defined(DUK_F_GCC) || defined(DUK_F_CLANG)-/* GCC: assume we have __va_copy() in non-C99 mode, which should be correct- * for even quite old GCC versions. Clang matches GCC behavior.- */-#define DUK_VA_COPY(dest,src) __va_copy(dest,src)-#else-/* Pre-C99: va_list type is implementation dependent. This replacement- * assumes it is a plain value so that a simple assignment will work.- * This is not the case on all platforms (it may be a single-array element,- * for instance).- */-#define DUK_VA_COPY(dest,src) do { (dest) = (src); } while (0)-#endif--/*- * Miscellaneous ANSI C or other platform wrappers.- */--#define DUK_ABORT abort-#define DUK_EXIT exit--/*- * Macro hackery to convert e.g. __LINE__ to a string without formatting,- * see: http://stackoverflow.com/questions/240353/convert-a-preprocessor-token-to-a-string- */--#define DUK_F_STRINGIFY_HELPER(x) #x-#define DUK_MACRO_STRINGIFY(x) DUK_F_STRINGIFY_HELPER(x)--/*- * Cause segfault macro.- *- * This is optionally used by panic handling to cause the program to segfault- * (instead of e.g. abort()) on panic. Valgrind will then indicate the C- * call stack leading to the panic.- */--#define DUK_CAUSE_SEGFAULT() do { \- *((volatile duk_uint32_t *) NULL) = (duk_uint32_t) 0xdeadbeefUL; \- } while (0)--/*- * Macro for suppressing warnings for potentially unreferenced variables.- * The variables can be actually unreferenced or unreferenced in some- * specific cases only; for instance, if a variable is only debug printed,- * it is unreferenced when debug printing is disabled.- *- * (Introduced here because it's potentially compiler specific.)- */--#define DUK_UNREF(x) do { \- (void) (x); \- } while (0)--/*- * DUK_NORETURN: macro for declaring a 'noreturn' function.- * Unfortunately the noreturn declaration may appear in various- * places of a function declaration, so the solution is to wrap- * the entire declaration inside the macro. Compiler support- * for using a noreturn declaration on function pointers varies;- * this macro must only be used for actual function declarations.- *- * http://gcc.gnu.org/onlinedocs/gcc-4.3.2//gcc/Function-Attributes.html- * http://clang.llvm.org/docs/LanguageExtensions.html- */--#if defined(DUK_F_GCC_VERSION) && (DUK_F_GCC_VERSION >= 20500L)-/* since gcc-2.5 */-#define DUK_NORETURN(decl) decl __attribute__((noreturn))-#elif defined(__clang__)-/* syntax same as gcc */-#define DUK_NORETURN(decl) decl __attribute__((noreturn))-#elif defined(DUK_F_MSVC)-/* http://msdn.microsoft.com/en-us/library/aa235362(VS.60).aspx */-#define DUK_NORETURN(decl) __declspec(noreturn) decl-#else-/* Don't know how to declare a noreturn function, so don't do it; this- * may cause some spurious compilation warnings (e.g. "variable used- * uninitialized").- */-#define DUK_NORETURN(decl) decl-#endif--/*- * Macro for stating that a certain line cannot be reached.- *- * http://gcc.gnu.org/onlinedocs/gcc-4.5.0/gcc/Other-Builtins.html#Other-Builtins- * http://clang.llvm.org/docs/LanguageExtensions.html- */--#if defined(DUK_F_GCC_VERSION) && (DUK_F_GCC_VERSION >= 40500L)-/* since gcc-4.5 */-#define DUK_UNREACHABLE() do { __builtin_unreachable(); } while(0)-#elif defined(__clang__) && defined(__has_builtin)-#if __has_builtin(__builtin_unreachable)-/* same as gcc */-#define DUK_UNREACHABLE() do { __builtin_unreachable(); } while(0)-#endif-#else-/* unknown */-#endif--#if !defined(DUK_UNREACHABLE)-/* Don't know how to declare unreachable point, so don't do it; this- * may cause some spurious compilation warnings (e.g. "variable used- * uninitialized").- */-#define DUK_UNREACHABLE() /* unreachable */-#endif--/*- * Likely and unlikely branches. Using these is not at all a clear cut case,- * so the selection is a two-step process: (1) DUK_USE_BRANCH_HINTS is set- * if the architecture, compiler etc make it useful to use the hints, and (2)- * a separate check determines how to do them.- *- * These macros expect the argument to be a relational expression with an- * integer value. If used with pointers, you should use an explicit check- * like:- *- * if (DUK_LIKELY(ptr != NULL)) { ... }- *- * instead of:- *- * if (DUK_LIKELY(ptr)) { ... }- *- * http://gcc.gnu.org/onlinedocs/gcc/Other-Builtins.html (__builtin_expect)- */--/* pretty much a placeholder now */-#if defined(DUK_F_GCC)-#define DUK_USE_BRANCH_HINTS-#elif defined(DUK_F_CLANG)-#define DUK_USE_BRANCH_HINTS-#else-#undef DUK_USE_BRANCH_HINTS-#endif--#if defined(DUK_USE_BRANCH_HINTS)-#if defined(DUK_F_GCC_VERSION) && (DUK_F_GCC_VERSION >= 40500L)-/* GCC: test not very accurate; enable only in relatively recent builds- * because of bugs in gcc-4.4 (http://lists.debian.org/debian-gcc/2010/04/msg00000.html)- */-#define DUK_LIKELY(x) __builtin_expect((x), 1)-#define DUK_UNLIKELY(x) __builtin_expect((x), 0)-#elif defined(DUK_F_CLANG)-#define DUK_LIKELY(x) __builtin_expect((x), 1)-#define DUK_UNLIKELY(x) __builtin_expect((x), 0)-#endif-#endif /* DUK_USE_BRANCH_HINTS */--#if !defined(DUK_LIKELY)-#define DUK_LIKELY(x) (x)-#endif-#if !defined(DUK_UNLIKELY)-#define DUK_UNLIKELY(x) (x)-#endif--/*- * Function inlining control- *- * DUK_NOINLINE: avoid inlining a function.- * DUK_INLINE: suggest inlining a function.- * DUK_ALWAYS_INLINE: force inlining for critical functions.- */--#if defined(DUK_F_CLANG)-#define DUK_NOINLINE __attribute__((noinline))-#define DUK_INLINE inline-#define DUK_ALWAYS_INLINE inline __attribute__((always_inline))-#elif defined(DUK_F_GCC) && defined(DUK_F_GCC_VERSION)-#if (DUK_F_GCC_VERSION >= 30101)-#define DUK_NOINLINE __attribute__((noinline))-#define DUK_INLINE inline-#define DUK_ALWAYS_INLINE inline __attribute__((always_inline))-#endif-#endif--#if !defined(DUK_NOINLINE)-#define DUK_NOINLINE /*nop*/-#define DUK_INLINE /*nop*/-#define DUK_ALWAYS_INLINE /*nop*/-#endif--/*- * Symbol visibility macros- *- * To avoid C++ declaration issues (see GH-63):- *- * - Don't use DUK_LOCAL_DECL for local -data symbols- so that you don't- * end up with both a "static" declaration and a definition.- *- * - Wrap any DUK_INTERNAL_DECL with a '#if !defined(DUK_SINGLE_FILE)'- * so that the internal declarations (which would map to "static" in- * a single file distribution) get dropped.- */--/* XXX: user override for these? user override for just using the default visibility macros? */-/* XXX: separate macros for function and data may be necessary at some point. */--#if defined(DUK_F_GCC_VERSION)-#if (DUK_F_GCC_VERSION >= 40000) && !(defined(DUK_F_MINGW) || defined(DUK_F_CYGWIN))-/* Might work on earlier versions too but limit to GCC 4+.- * MinGW should use Windows specific __declspec or no visibility attributes at all,- * otherwise: "warning: visibility attribute not supported in this configuration; ignored".- * Same applies to Cygwin GCC.- */-#define DUK_F_GCC_SYMBOL_VISIBILITY-#endif-#endif-#if defined(DUK_F_CLANG) && !defined(DUK_F_GCC_SYMBOL_VISIBILITY)-#define DUK_F_GCC_SYMBOL_VISIBILITY-#endif-#if defined(DUK_OPT_DLL_BUILD) && defined(_WIN32) && (defined(_MSC_VER) || defined(__GNUC__))-/* __declspec(dllexport) and __declspec(dllimport) only for Windows DLL build.- * MSVC: any minimum version?- * MinGW: no minimum version, even gcc-2.95.3 supported dllimport/dllexport.-*/-#define DUK_F_MSVC_DLL_SYMBOL_VISIBILITY-#endif--#if defined(DUK_F_GCC_SYMBOL_VISIBILITY)-/* GCC 4+ visibility attributes. */-#define DUK_EXTERNAL_DECL __attribute__ ((visibility("default"))) extern-#define DUK_EXTERNAL __attribute__ ((visibility("default")))-#if defined(DUK_SINGLE_FILE)-#define DUK_INTERNAL_DECL static-#define DUK_INTERNAL static-#else-#define DUK_INTERNAL_DECL __attribute__ ((visibility("hidden"))) extern-#define DUK_INTERNAL __attribute__ ((visibility("hidden")))-#endif-#elif defined(DUK_F_MSVC_DLL_SYMBOL_VISIBILITY)-/* MSVC dllexport/dllimport: appropriate __declspec depends on whether we're- * compiling Duktape or the application.- */-#if defined(DUK_COMPILING_DUKTAPE)-#define DUK_EXTERNAL_DECL extern __declspec(dllexport)-#define DUK_EXTERNAL __declspec(dllexport)-#else-#define DUK_EXTERNAL_DECL extern __declspec(dllimport)-#define DUK_EXTERNAL should_not_happen-#endif-#if defined(DUK_SINGLE_FILE)-#define DUK_INTERNAL_DECL static-#define DUK_INTERNAL static-#else-#define DUK_INTERNAL_DECL extern-#define DUK_INTERNAL /*empty*/-#endif-#else-/* Default visibility. */-#define DUK_EXTERNAL_DECL extern-#define DUK_EXTERNAL /*empty*/-#if defined(DUK_SINGLE_FILE)-#define DUK_INTERNAL_DECL static-#define DUK_INTERNAL static-#else /* DUK_SINGLE_FILE */-#define DUK_INTERNAL_DECL extern-#define DUK_INTERNAL /*empty*/-#endif-#endif--/* For now, these are shared. */-#define DUK_LOCAL_DECL static-#define DUK_LOCAL static--/*- * __FILE__, __LINE__, __func__ are wrapped. Especially __func__ is a- * problem because it is not available even in some compilers which try- * to be C99 compatible (e.g. VBCC with -c99 option).- */--#define DUK_FILE_MACRO __FILE__--#define DUK_LINE_MACRO __LINE__--#if !defined(DUK_F_VBCC) && !defined(DUK_F_MSVC)-#define DUK_FUNC_MACRO __func__-#else-#define DUK_FUNC_MACRO "unknown"-#endif--/*- * Byteswap macros- *- * These are here so that inline assembly or other platform functions can be- * used if available.- */--#define DUK_BSWAP32(x) \- ((((duk_uint32_t) (x)) >> 24) | \- ((((duk_uint32_t) (x)) >> 8) & 0xff00UL) | \- ((((duk_uint32_t) (x)) << 8) & 0xff0000UL) | \- (((duk_uint32_t) (x)) << 24))--#define DUK_BSWAP16(x) \- ((duk_uint16_t) (x) >> 8) | \- ((duk_uint16_t) (x) << 8)--/*- * Architecture string, human readable value exposed in Duktape.env- */--#if defined(DUK_F_X86)-#define DUK_USE_ARCH_STRING "x86"-#elif defined(DUK_F_X32)-#define DUK_USE_ARCH_STRING "x32"-#elif defined(DUK_F_X64)-#define DUK_USE_ARCH_STRING "x64"-#elif defined(DUK_F_ARM)-#define DUK_USE_ARCH_STRING "arm"-#elif defined(DUK_F_MIPS32)-#define DUK_USE_ARCH_STRING "mips32"-#elif defined(DUK_F_MIPS64)-#define DUK_USE_ARCH_STRING "mips64"-#elif defined(DUK_F_SUPERH)-#define DUK_USE_ARCH_STRING "sh"-#elif defined(DUK_F_M68K)-#define DUK_USE_ARCH_STRING "m68k"-#elif defined(DUK_F_FLASHPLAYER)-#define DUK_USE_ARCH_STRING "flashplayer"-#elif defined(DUK_F_EMSCRIPTEN)-#define DUK_USE_ARCH_STRING "emscripten"-#else-#define DUK_USE_ARCH_STRING "unknown"-#endif--/*- * OS string, human readable value exposed in Duktape.env- */--#if defined(DUK_F_LINUX)-#define DUK_USE_OS_STRING "linux"-#elif defined(__APPLE__)-/* http://stackoverflow.com/questions/5919996/how-to-detect-reliably-mac-os-x-ios-linux-windows-in-c-preprocessor */-#if TARGET_IPHONE_SIMULATOR-#define DUK_USE_OS_STRING "iphone-sim"-#elif TARGET_OS_IPHONE-#define DUK_USE_OS_STRING "iphone"-#elif TARGET_OS_MAC-#define DUK_USE_OS_STRING "ios"-#else-#define DUK_USE_OS_STRING "ios-unknown"-#endif-#elif defined(DUK_F_FREEBSD)-#define DUK_USE_OS_STRING "freebsd"-#elif defined(DUK_F_OPENBSD)-#define DUK_USE_OS_STRING "openbsd"-#elif defined(DUK_F_NETBSD)-#define DUK_USE_OS_STRING "netbsd"-#elif defined(DUK_F_BSD)-#define DUK_USE_OS_STRING "bsd"-#elif defined(DUK_F_UNIX)-#define DUK_USE_OS_STRING "unix"-#elif defined(DUK_F_WINDOWS)-#define DUK_USE_OS_STRING "windows"-#elif defined(DUK_F_TOS)-#define DUK_USE_OS_STRING "tos"-#elif defined(DUK_F_AMIGAOS)-#define DUK_USE_OS_STRING "amigaos"-#elif defined(DUK_F_QNX)-#define DUK_USE_OS_STRING "qnx"-#elif defined(DUK_F_TINSPIRE)-#define DUK_USE_OS_STRING "tinspire"-#else-#define DUK_USE_OS_STRING "unknown"-#endif--/*- * Compiler string, human readable value exposed in Duktape.env- */--#if defined(DUK_F_MINGW)-#define DUK_USE_COMPILER_STRING "mingw"-#elif defined(DUK_F_GCC)-#if defined(DUK_F_CPP)-#define DUK_USE_COMPILER_STRING "g++"-#else-#define DUK_USE_COMPILER_STRING "gcc"-#endif-#elif defined(DUK_F_CLANG)-#define DUK_USE_COMPILER_STRING "clang"-#elif defined(DUK_F_MSVC)-#define DUK_USE_COMPILER_STRING "msvc"-#elif defined(DUK_F_VBCC)-#define DUK_USE_COMPILER_STRING "vbcc"-#else-#define DUK_USE_COMPILER_STRING "unknown"-#endif--/*- * Long control transfer, setjmp/longjmp or alternatives- *- * Signal mask is not saved (when that can be communicated to the platform)- */--/* dummy non-zero value to be used as an argument for longjmp(), see man longjmp */-#define DUK_LONGJMP_DUMMY_VALUE 1--#if defined(DUK_OPT_SETJMP)-#define DUK_USE_SETJMP-#elif defined(DUK_OPT_UNDERSCORE_SETJMP)-#define DUK_USE_UNDERSCORE_SETJMP-#elif defined(DUK_OPT_SIGSETJMP)-#define DUK_USE_SIGSETJMP-#elif defined(__APPLE__)-/* Use _setjmp() on Apple by default, see GH-55. */-#define DUK_USE_UNDERSCORE_SETJMP-#else-/* The most portable default is setjmp(). */-#define DUK_USE_SETJMP-#endif--#if defined(DUK_USE_UNDERSCORE_SETJMP)-#define DUK_SETJMP(jb) _setjmp((jb))-#define DUK_LONGJMP(jb) _longjmp((jb), DUK_LONGJMP_DUMMY_VALUE)-#elif defined(DUK_USE_SIGSETJMP)-#define DUK_SETJMP(jb) sigsetjmp((jb), 0 /*savesigs*/)-#define DUK_LONGJMP(jb) siglongjmp((jb), DUK_LONGJMP_DUMMY_VALUE)-#elif defined(DUK_USE_SETJMP)-#define DUK_SETJMP(jb) setjmp((jb))-#define DUK_LONGJMP(jb) longjmp((jb), DUK_LONGJMP_DUMMY_VALUE)-#else-#error internal error-#endif--/*- * Target info string- */--#if defined(DUK_OPT_TARGET_INFO)-#define DUK_USE_TARGET_INFO DUK_OPT_TARGET_INFO-#else-#define DUK_USE_TARGET_INFO "unknown"-#endif--/*- * Speed/size and other performance options- */--/* Use fast ("inline") refcount operations instead of calling out to helpers- * by default. The difference in binary size is small (~1kB on x64).- */-#define DUK_USE_FAST_REFCOUNT_DEFAULT--/* Assert for valstack space but don't check for it in non-assert build.- * Valstack overruns (writing beyond checked space) is memory unsafe and- * potentially a segfault. Produces a smaller and faster binary.- * (In practice the speed difference is small with -O3 so default to- * safer behavior for now.)- */-#undef DUK_USE_VALSTACK_UNSAFE--/* Catch-all flag which can be used to choose between variant algorithms- * where a speed-size tradeoff exists (e.g. lookup tables). When it really- * matters, specific use flags may be appropriate.- */-#define DUK_USE_PREFER_SIZE--/*- * Tagged type representation (duk_tval)- */--#undef DUK_USE_PACKED_TVAL--#if defined(DUK_USE_PACKED_TVAL_POSSIBLE) && !defined(DUK_OPT_NO_PACKED_TVAL)-#define DUK_USE_PACKED_TVAL-#endif--/* Support for 48-bit signed integer duk_tval with transparent semantics. */-#undef DUK_USE_FASTINT-#if defined(DUK_OPT_FASTINT)-#if !defined(DUK_F_HAVE_64BIT)-#error DUK_OPT_FASTINT requires 64-bit integer type support at the moment-#endif-#define DUK_USE_FASTINT-#endif--/*- * Memory management options- */--#define DUK_USE_REFERENCE_COUNTING-#define DUK_USE_DOUBLE_LINKED_HEAP-#define DUK_USE_MARK_AND_SWEEP-#define DUK_USE_MS_STRINGTABLE_RESIZE--#if defined(DUK_OPT_NO_REFERENCE_COUNTING)-#undef DUK_USE_REFERENCE_COUNTING-#undef DUK_USE_DOUBLE_LINKED_HEAP-/* XXX: undef DUK_USE_MS_STRINGTABLE_RESIZE as it is more expensive- * with more frequent mark-and-sweeps?- */-#endif--#if defined(DUK_OPT_NO_MARK_AND_SWEEP)-#undef DUK_USE_MARK_AND_SWEEP-#endif--#if defined(DUK_USE_MARK_AND_SWEEP)-#define DUK_USE_VOLUNTARY_GC-#if defined(DUK_OPT_NO_VOLUNTARY_GC)-#undef DUK_USE_VOLUNTARY_GC-#endif-#endif--#if !defined(DUK_USE_MARK_AND_SWEEP) && !defined(DUK_USE_REFERENCE_COUNTING)-#error must have either mark-and-sweep or reference counting enabled-#endif--#if defined(DUK_OPT_NO_MS_STRINGTABLE_RESIZE)-#undef DUK_USE_MS_STRINGTABLE_RESIZE-#endif--#undef DUK_USE_GC_TORTURE-#if defined(DUK_OPT_GC_TORTURE)-#define DUK_USE_GC_TORTURE-#endif--/*- * String table options- */--#if defined(DUK_OPT_STRTAB_CHAIN) && defined(DUK_OPT_STRTAB_CHAIN_SIZE)-/* Low memory algorithm: separate chaining using arrays, fixed size hash */-#define DUK_USE_STRTAB_CHAIN-#define DUK_USE_STRTAB_CHAIN_SIZE DUK_OPT_STRTAB_CHAIN_SIZE-#else-/* Default algorithm: open addressing (probing) */-#define DUK_USE_STRTAB_PROBE-#endif--/*- * Error handling options- */--#define DUK_USE_AUGMENT_ERROR_CREATE-#define DUK_USE_AUGMENT_ERROR_THROW-#define DUK_USE_TRACEBACKS-#define DUK_USE_ERRCREATE-#define DUK_USE_ERRTHROW--#define DUK_USE_VERBOSE_ERRORS--#if defined(DUK_OPT_NO_AUGMENT_ERRORS)-#undef DUK_USE_AUGMENT_ERROR_CREATE-#undef DUK_USE_AUGMENT_ERROR_THROW-#undef DUK_USE_TRACEBACKS-#undef DUK_USE_ERRCREATE-#undef DUK_USE_ERRTHROW-#elif defined(DUK_OPT_NO_TRACEBACKS)-#undef DUK_USE_TRACEBACKS-#endif--#if defined(DUK_OPT_NO_VERBOSE_ERRORS)-#undef DUK_USE_VERBOSE_ERRORS-#endif--#if defined(DUK_USE_TRACEBACKS)-#if defined(DUK_OPT_TRACEBACK_DEPTH)-#define DUK_USE_TRACEBACK_DEPTH DUK_OPT_TRACEBACK_DEPTH-#else-#define DUK_USE_TRACEBACK_DEPTH 10-#endif-#endif--/* Include messages in executor internal errors. */-#define DUK_USE_VERBOSE_EXECUTOR_ERRORS--/*- * Execution and debugger options- */--#undef DUK_USE_INTERRUPT_COUNTER-#if defined(DUK_OPT_INTERRUPT_COUNTER)-#define DUK_USE_INTERRUPT_COUNTER-#endif--#undef DUK_USE_EXEC_TIMEOUT_CHECK-#if defined(DUK_OPT_EXEC_TIMEOUT_CHECK)-#define DUK_USE_EXEC_TIMEOUT_CHECK(udata) DUK_OPT_EXEC_TIMEOUT_CHECK((udata))-#endif--#undef DUK_USE_DEBUGGER_SUPPORT-#if defined(DUK_OPT_DEBUGGER_SUPPORT)-#define DUK_USE_DEBUGGER_SUPPORT-#endif--#undef DUK_USE_DEBUGGER_FWD_PRINTALERT-#if defined(DUK_OPT_DEBUGGER_SUPPORT) && defined(DUK_OPT_DEBUGGER_FWD_PRINTALERT)-#define DUK_USE_DEBUGGER_FWD_PRINTALERT-#endif--#undef DUK_USE_DEBUGGER_FWD_LOGGING-#if defined(DUK_OPT_DEBUGGER_SUPPORT) && defined(DUK_OPT_DEBUGGER_FWD_LOGGING)-#define DUK_USE_DEBUGGER_FWD_LOGGING-#endif--/* DumpHeap is optional because it's not always needed and has a relatively- * large footprint.- */-#undef DUK_USE_DEBUGGER_DUMPHEAP-#if defined(DUK_OPT_DEBUGGER_DUMPHEAP)-#define DUK_USE_DEBUGGER_DUMPHEAP-#endif--/* Debugger transport read/write torture. */-#undef DUK_USE_DEBUGGER_TRANSPORT_TORTURE-#if defined(DUK_OPT_DEBUGGER_TRANSPORT_TORTURE)-#define DUK_USE_DEBUGGER_TRANSPORT_TORTURE-#endif--/* For opcodes with indirect indices, check final index against stack size.- * This should not be necessary because the compiler is trusted, and we don't- * bound check non-indirect indices either.- */-#undef DUK_USE_EXEC_INDIRECT_BOUND_CHECK-#if defined(DUK_OPT_DEBUG) || defined(DUK_OPT_ASSERTIONS)-/* Enabled with debug/assertions just so that any issues can be caught. */-#define DUK_USE_EXEC_INDIRECT_BOUND_CHECK-#endif--/*- * Debug printing and assertion options- */--#undef DUK_USE_DEBUG-#undef DUK_USE_DPRINT-#undef DUK_USE_DDPRINT-#undef DUK_USE_DDDPRINT-#undef DUK_USE_DPRINT_RDTSC-#undef DUK_USE_ASSERTIONS--/* Global debug enable. Compile must be clean on C99 regardless of whether or- * not debugging is enabled. On non-C99 platforms compile should be clean with- * debugging disabled but may produce warnings with debugging enabled (related- * to debug macro hackery and such).- */-#if defined(DUK_OPT_DEBUG)-#define DUK_USE_DEBUG-#endif--#if defined(DUK_OPT_DEBUG) && defined(DUK_OPT_DPRINT)-#define DUK_USE_DPRINT-#endif-#if defined(DUK_OPT_DEBUG) && defined(DUK_OPT_DDPRINT)-#define DUK_USE_DDPRINT-#endif-#if defined(DUK_OPT_DEBUG) && defined(DUK_OPT_DDDPRINT)-#define DUK_USE_DDDPRINT-#endif--#undef DUK_USE_DPRINT_COLORS-#if defined(DUK_OPT_DPRINT_COLORS)-#define DUK_USE_DPRINT_COLORS-#endif--#if defined(DUK_RDTSC_AVAILABLE) && defined(DUK_OPT_DPRINT_RDTSC)-#define DUK_USE_DPRINT_RDTSC-#else-#undef DUK_USE_DPRINT_RDTSC-#endif--#if defined(DUK_OPT_ASSERTIONS)-#define DUK_USE_ASSERTIONS-#endif--/* The static buffer for debug printing is quite large by default, so there- * is an option to shrink it manually for constrained builds.- */-#if defined(DUK_OPT_DEBUG_BUFSIZE)-#define DUK_USE_DEBUG_BUFSIZE DUK_OPT_DEBUG_BUFSIZE-#else-#define DUK_USE_DEBUG_BUFSIZE 65536L-#endif--/*- * Ecmascript features / compliance options- */--#if defined(DUK_F_BCC)-/* Math built-in is stubbed out on BCC to allow compiler torture testing. */-#else-#define DUK_USE_MATH_BUILTIN-#endif--#define DUK_USE_STRICT_DECL-#if defined(DUK_OPT_NO_STRICT_DECL)-#undef DUK_USE_STRICT_DECL-#endif--#define DUK_USE_REGEXP_SUPPORT-#if defined(DUK_OPT_NO_REGEXP_SUPPORT)-#undef DUK_USE_REGEXP_SUPPORT-#endif--#undef DUK_USE_STRICT_UTF8_SOURCE-#if defined(DUK_OPT_STRICT_UTF8_SOURCE)-#define DUK_USE_STRICT_UTF8_SOURCE-#endif--#define DUK_USE_OCTAL_SUPPORT-#if defined(DUK_OPT_NO_OCTAL_SUPPORT)-#undef DUK_USE_OCTAL_SUPPORT-#endif--#define DUK_USE_SOURCE_NONBMP-#if defined(DUK_OPT_NO_SOURCE_NONBMP)-#undef DUK_USE_SOURCE_NONBMP-#endif--#define DUK_USE_BROWSER_LIKE-#if defined(DUK_OPT_NO_BROWSER_LIKE)-#undef DUK_USE_BROWSER_LIKE-#endif--/* E5/E5.1 Section B features. */-#define DUK_USE_SECTION_B-#if defined(DUK_OPT_NO_SECTION_B)-#undef DUK_USE_SECTION_B-#endif--/* Non-standard regexp parsing features. */-#define DUK_USE_NONSTD_REGEXP_DOLLAR_ESCAPE--/* Treat function statements (function declarations outside top level of- * Program or FunctionBody) same as normal function declarations. This is- * also V8 behavior. See test-dev-func-decl-outside-top.js.- */-#define DUK_USE_NONSTD_FUNC_STMT-#if defined(DUK_OPT_NO_NONSTD_FUNC_STMT)-#undef DUK_USE_NONSTD_FUNC_STMT-#endif--/* Array.prototype.splice() non-standard but real world compatible behavior- * when deleteCount is omitted.- */-#define DUK_USE_NONSTD_ARRAY_SPLICE_DELCOUNT-#if defined(DUK_OPT_NO_NONSTD_ARRAY_SPLICE_DELCOUNT)-#undef DUK_USE_NONSTD_ARRAY_SPLICE_DELCOUNT-#endif--/* Array.prototype.concat() non-standard but real world compatible behavior- * for non-existent trailing elements.- */-#define DUK_USE_NONSTD_ARRAY_CONCAT_TRAILER-#if defined(DUK_OPT_NO_NONSTD_ARRAY_CONCAT_TRAILER)-#undef DUK_USE_NONSTD_ARRAY_CONCAT_TRAILER-#endif--/* Array.prototype.map() non-standard but real world compatible behavior- * for non-existent trailing elements.- */-#define DUK_USE_NONSTD_ARRAY_MAP_TRAILER-#if defined(DUK_OPT_NO_NONSTD_ARRAY_MAP_TRAILER)-#undef DUK_USE_NONSTD_ARRAY_MAP_TRAILER-#endif--/* Non-standard 'caller' property for function instances, see- * test-bi-function-nonstd-caller-prop.js.- */-#undef DUK_USE_NONSTD_FUNC_CALLER_PROPERTY-#if defined(DUK_OPT_NONSTD_FUNC_CALLER_PROPERTY)-#define DUK_USE_NONSTD_FUNC_CALLER_PROPERTY-#endif--/* Non-standard Object.prototype.__proto__ (ES6 draft), see- * test-bi-object-proto-__proto__.js.- */-#define DUK_USE_ES6_OBJECT_PROTO_PROPERTY-#if defined(DUK_OPT_NO_ES6_OBJECT_PROTO_PROPERTY)-#undef DUK_USE_ES6_OBJECT_PROTO_PROPERTY-#endif--/* Non-standard Object.setPrototypeOf (ES6 draft), see- * test-bi-object-setprototypeof.js.- */-#define DUK_USE_ES6_OBJECT_SETPROTOTYPEOF-#if defined(DUK_OPT_NO_ES6_OBJECT_SETPROTOTYPEOF)-#undef DUK_USE_ES6_OBJECT_SETPROTOTYPEOF-#endif--/* ES6 Proxy object (subset for now). */-#define DUK_USE_ES6_PROXY-#if defined(DUK_OPT_NO_ES6_PROXY)-#undef DUK_USE_ES6_PROXY-#endif--/* Record pc-to-line information. */-#define DUK_USE_PC2LINE-#if defined(DUK_OPT_NO_PC2LINE)-#undef DUK_USE_PC2LINE-#endif--/* Non-standard function 'source' property. */-#undef DUK_USE_NONSTD_FUNC_SOURCE_PROPERTY-#if defined(DUK_OPT_NONSTD_FUNC_SOURCE_PROPERTY)-#define DUK_USE_NONSTD_FUNC_SOURCE_PROPERTY-#endif--/* CommonJS modules */-#define DUK_USE_COMMONJS_MODULES-#if defined(DUK_OPT_NO_COMMONJS_MODULES)-#undef DUK_USE_COMMONJS_MODULES-#endif--/* Additional key argument to setter/getter calls when triggered by property- * accesses.- */--#define DUK_USE_NONSTD_GETTER_KEY_ARGUMENT-#define DUK_USE_NONSTD_SETTER_KEY_ARGUMENT-#if defined(DUK_OPT_NO_NONSTD_ACCESSOR_KEY_ARGUMENT)-#undef DUK_USE_NONSTD_GETTER_KEY_ARGUMENT-#undef DUK_USE_NONSTD_SETTER_KEY_ARGUMENT-#endif--/* JSON escaping of U+2028 and U+2029.- */--#define DUK_USE_NONSTD_JSON_ESC_U2028_U2029-#if defined(DUK_OPT_NO_NONSTD_JSON_ESC_U2028_U2029)-#undef DUK_USE_NONSTD_JSON_ESC_U2028_U2029-#endif--/* Allow 32-bit codepoints in String.fromCharCode. */-#define DUK_USE_NONSTD_STRING_FROMCHARCODE_32BIT-#if defined(DUK_OPT_NO_NONSTD_STRING_FROMCHARCODE_32BIT)-#undef DUK_USE_NONSTD_STRING_FROMCHARCODE_32BIT-#endif--/* Non-standard array fast path write behavior: when writing to numeric- * indexes of an Array instance, assume Array.prototype doesn't have- * conflicting properties (e.g. a non-writable property "7").- */-#define DUK_USE_NONSTD_ARRAY_WRITE-#if defined(DUK_OPT_NO_NONSTD_ARRAY_WRITE)-#undef DUK_USE_NONSTD_ARRAY_WRITE-#endif--/*- * Tailcalls- */--/* Tailcalls are enabled by default. The non-standard function 'caller'- * property feature conflicts with tailcalls quite severely so tailcalls- * are disabled if the 'caller' property is enabled.- */-#define DUK_USE_TAILCALL-#if defined(DUK_USE_NONSTD_FUNC_CALLER_PROPERTY)-#undef DUK_USE_TAILCALL-#endif--/*- * Deep vs. shallow stack.- *- * Some embedded platforms have very shallow stack (e.g. 64kB); default to- * a shallow stack on unknown platforms or known embedded platforms.- */--#if defined(DUK_F_LINUX) || defined(DUK_F_BSD) || defined(DUK_F_WINDOWS) || \- defined(DUK_OPT_DEEP_C_STACK)-#define DUK_USE_DEEP_C_STACK-#else-#undef DUK_USE_DEEP_C_STACK-#endif--/*- * Ecmascript compiler- */--/* Ensure final bytecode never exceeds a certain byte size and never uses- * line numbers above a certain limit. This ensures that there is no need- * to deal with unbounded ranges in e.g. pc2line data structures. For now,- * limits are set so that signed 32-bit values can represent line number- * and byte offset with room to spare.- */-#define DUK_USE_ESBC_LIMITS-#define DUK_USE_ESBC_MAX_LINENUMBER 0x7fff0000L-#define DUK_USE_ESBC_MAX_BYTES 0x7fff0000L--#undef DUK_USE_SHUFFLE_TORTURE-#if defined(DUK_OPT_SHUFFLE_TORTURE)-#define DUK_USE_SHUFFLE_TORTURE-#endif--/*- * User panic handler, panic exit behavior for default panic handler- */--#undef DUK_USE_PANIC_HANDLER-#if defined(DUK_OPT_PANIC_HANDLER)-#define DUK_USE_PANIC_HANDLER(code,msg) DUK_OPT_PANIC_HANDLER((code),(msg))-#endif--#undef DUK_USE_PANIC_ABORT-#undef DUK_USE_PANIC_EXIT-#undef DUK_USE_PANIC_SEGFAULT--#if defined(DUK_OPT_SEGFAULT_ON_PANIC)-#define DUK_USE_PANIC_SEGFAULT-#else-#define DUK_USE_PANIC_ABORT-#endif--/*- * File I/O support. This is now used in a few API calls to e.g. push- * a string from file contents or eval a file. For portability it must- * be possible to disable I/O altogether.- */--#undef DUK_USE_FILE_IO-#if !defined(DUK_OPT_NO_FILE_IO)-#define DUK_USE_FILE_IO-#endif--/*- * Optional run-time self tests executed when a heap is created. Some- * platform/compiler issues cannot be determined at compile time. One- * particular example is the bug described in misc/clang_aliasing.c.- */--#undef DUK_USE_SELF_TESTS-#if defined(DUK_OPT_SELF_TESTS)-#define DUK_USE_SELF_TESTS-#endif--/* Double aliasing testcase fails when Emscripten-generated code is run- * on Firefox. This is not fatal because it only affects packed duk_tval- * which we avoid with Emscripten.- */-#undef DUK_USE_NO_DOUBLE_ALIASING_SELFTEST-#if defined(DUK_F_EMSCRIPTEN)-#define DUK_USE_NO_DOUBLE_ALIASING_SELFTEST-#endif--/*- * Codecs- */--#define DUK_USE_JX-#if defined(DUK_OPT_NO_JX)-#undef DUK_USE_JX-#endif--#define DUK_USE_JC-#if defined(DUK_OPT_NO_JC)-#undef DUK_USE_JC-#endif--/*- * InitJS code- */--/* Always use the built-in InitJS code for now. */-#define DUK_USE_BUILTIN_INITJS--/* User provided InitJS. */-#undef DUK_USE_USER_INITJS-#if defined(DUK_OPT_USER_INITJS)-#define DUK_USE_USER_INITJS (DUK_OPT_USER_INITJS)-#endif--/*- * External string data support- *- * Allow duk_hstrings to store data also behind an external pointer (see- * duk_hstring_external). This increases code size slightly but is useful- * in low memory environments where memory is more limited than flash.- */--#undef DUK_USE_HSTRING_EXTDATA-#if defined(DUK_OPT_EXTERNAL_STRINGS)-#define DUK_USE_HSTRING_EXTDATA-#endif--#undef DUK_USE_EXTSTR_INTERN_CHECK-#if defined(DUK_OPT_EXTERNAL_STRINGS) && defined(DUK_OPT_EXTSTR_INTERN_CHECK)-#define DUK_USE_EXTSTR_INTERN_CHECK(udata,ptr,len) DUK_OPT_EXTSTR_INTERN_CHECK((udata), (ptr), (len))-#endif--#undef DUK_USE_EXTSTR_FREE-#if defined(DUK_OPT_EXTERNAL_STRINGS) && defined(DUK_OPT_EXTSTR_FREE)-#define DUK_USE_EXTSTR_FREE(udata,ptr) DUK_OPT_EXTSTR_FREE((udata), (ptr))-#endif--/*- * Lightweight functions- */--/* Force built-ins to use lightfunc function pointers when possible. This- * makes the built-in functions non-compliant with respect to their property- * values and such, but is very useful in low memory environments (can save- * around 14kB of initial RAM footprint).- */-#undef DUK_USE_LIGHTFUNC_BUILTINS-#if defined(DUK_OPT_LIGHTFUNC_BUILTINS)-#define DUK_USE_LIGHTFUNC_BUILTINS-#endif--/*- * Pointer compression and 16-bit header fields for low memory environments- */--#undef DUK_USE_HEAPPTR16-#undef DUK_USE_HEAPPTR_ENC16-#undef DUK_USE_HEAPPTR_DEC16-#if defined(DUK_OPT_HEAPPTR16) && defined(DUK_OPT_HEAPPTR_ENC16) && defined(DUK_OPT_HEAPPTR_DEC16)-#define DUK_USE_HEAPPTR16-#define DUK_USE_HEAPPTR_ENC16(udata,ptr) DUK_OPT_HEAPPTR_ENC16((udata),(ptr))-#define DUK_USE_HEAPPTR_DEC16(udata,ptr) DUK_OPT_HEAPPTR_DEC16((udata),(ptr))-#endif--#undef DUK_USE_DATAPTR16-#undef DUK_USE_DATAPTR_ENC16-#undef DUK_USE_DATAPTR_DEC16-#if defined(DUK_OPT_DATAPTR16) && defined(DUK_OPT_DATAPTR_ENC16) && defined(DUK_OPT_DATAPTR_DEC16)-#define DUK_USE_DATAPTR16-#define DUK_USE_DATAPTR_ENC16(udata,ptr) DUK_OPT_DATAPTR_ENC16((udata),(ptr))-#define DUK_USE_DATAPTR_DEC16(udata,ptr) DUK_OPT_DATAPTR_DEC16((udata),(ptr))-#endif--#undef DUK_USE_FUNCPTR16-#undef DUK_USE_FUNCPTR_ENC16-#undef DUK_USE_FUNCPTR_DEC16-#if defined(DUK_OPT_FUNCPTR16) && defined(DUK_OPT_FUNCPTR_ENC16) && defined(DUK_OPT_FUNCPTR_DEC16)-#define DUK_USE_FUNCPTR16-#define DUK_USE_FUNCPTR_ENC16(udata,ptr) DUK_OPT_FUNCPTR_ENC16((udata),(ptr))-#define DUK_USE_FUNCPTR_DEC16(udata,ptr) DUK_OPT_FUNCPTR_DEC16((udata),(ptr))-#endif--#undef DUK_USE_REFCOUNT16-#if defined(DUK_OPT_REFCOUNT16)-#define DUK_USE_REFCOUNT16-#endif--#undef DUK_USE_STRHASH16-#if defined(DUK_OPT_STRHASH16)-#define DUK_USE_STRHASH16-#endif--#undef DUK_USE_STRLEN16-#if defined(DUK_OPT_STRLEN16)-#define DUK_USE_STRLEN16-#endif--#undef DUK_USE_BUFLEN16-#if defined(DUK_OPT_BUFLEN16)-#define DUK_USE_BUFLEN16-#endif--#undef DUK_USE_OBJSIZES16-#if defined(DUK_OPT_OBJSIZES16)-#define DUK_USE_OBJSIZES16-#endif--/* For now, hash part is dropped if and only if 16-bit object fields are used. */-#define DUK_USE_HOBJECT_HASH_PART-#if defined(DUK_USE_OBJSIZES16)-#undef DUK_USE_HOBJECT_HASH_PART-#endif--/*- * Miscellaneous- */--#define DUK_USE_PROVIDE_DEFAULT_ALLOC_FUNCTIONS-#undef DUK_USE_EXPLICIT_NULL_INIT--#if !defined(DUK_USE_PACKED_TVAL)-#define DUK_USE_EXPLICIT_NULL_INIT-#endif--#define DUK_USE_ZERO_BUFFER_DATA-#if defined(DUK_OPT_NO_ZERO_BUFFER_DATA)-#undef DUK_USE_ZERO_BUFFER_DATA-#endif--#undef DUK_USE_VARIADIC_MACROS-#if defined(DUK_F_C99) || (defined(DUK_F_CPP11) && defined(__GNUC__))-#define DUK_USE_VARIADIC_MACROS-#endif-#if defined(_MSC_VER) && !defined(DUK_USE_VARIADIC_MACROS)-#if (_MSC_VER >= 1400)-/* VS2005+ should have variadic macros even when they're not C99. */-#define DUK_USE_VARIADIC_MACROS-#endif-#endif--/*- * Variable size array initialization.- *- * Variable size array at the end of a structure is nonportable.- * There are three alternatives:- *- * 1) C99 (flexible array member): char buf[]- * 2) Compiler specific (e.g. GCC): char buf[0]- * 3) Portable but wastes memory / complicates allocation: char buf[1]- */--/* XXX: Currently unused, only hbuffer.h needed this at some point. */-#undef DUK_USE_FLEX_C99-#undef DUK_USE_FLEX_ZEROSIZE-#undef DUK_USE_FLEX_ONESIZE-#if defined(DUK_F_C99)-#define DUK_USE_FLEX_C99-#elif defined(__GNUC__)-#define DUK_USE_FLEX_ZEROSIZE-#else-#define DUK_USE_FLEX_ONESIZE-#endif--/*- * GCC pragmas- */--/* XXX: GCC pragma inside a function fails in some earlier GCC versions (e.g. gcc 4.5).- * This is very approximate but allows clean builds for development right now.- */-/* http://gcc.gnu.org/onlinedocs/cpp/Common-Predefined-Macros.html */-#if defined(__GNUC__) && defined(__GNUC_MINOR__) && (__GNUC__ == 4) && (__GNUC_MINOR__ >= 6)-#define DUK_USE_GCC_PRAGMAS-#else-#undef DUK_USE_GCC_PRAGMAS-#endif--/*- * User declarations- */--#if defined(DUK_OPT_DECLARE)-#define DUK_USE_USER_DECLARE() DUK_OPT_DECLARE-#else-#define DUK_USE_USER_DECLARE() /* no user declarations */-#endif--/*- * Alternative customization header- *- * If you want to modify the final DUK_USE_xxx flags directly (without- * using the available DUK_OPT_Xxx flags), define DUK_OPT_HAVE_CUSTOM_H- * and tweak the final flags there.- */--#if defined(DUK_OPT_HAVE_CUSTOM_H)-#include "duk_custom.h"-#endif--#endif /* DUK_FEATURES_H_INCLUDED */--/*- * BEGIN PUBLIC API- */--#ifndef DUK_API_PUBLIC_H_INCLUDED-#define DUK_API_PUBLIC_H_INCLUDED--/*- * Avoid C++ name mangling- */--#ifdef __cplusplus-extern "C" {-#endif--/*- * Some defines forwarded from feature detection- */--#undef DUK_API_VARIADIC_MACROS-#ifdef DUK_USE_VARIADIC_MACROS-#define DUK_API_VARIADIC_MACROS-#endif--#define DUK_API_NORETURN(decl) DUK_NORETURN(decl)--/*- * Public API specific typedefs- *- * (duk_context *) maps directly to internal type (duk_hthread *).- * Currently only primitive typedefs have a '_t' suffix.- *- * Many types are wrapped by Duktape for portability to rare platforms- * where e.g. 'int' is a 16-bit type. See practical typing discussion- * in Duktape web documentation.- */--struct duk_memory_functions;-struct duk_function_list_entry;-struct duk_number_list_entry;--typedef void duk_context;-typedef struct duk_memory_functions duk_memory_functions;-typedef struct duk_function_list_entry duk_function_list_entry;-typedef struct duk_number_list_entry duk_number_list_entry;--typedef duk_ret_t (*duk_c_function)(duk_context *ctx);-typedef void *(*duk_alloc_function) (void *udata, duk_size_t size);-typedef void *(*duk_realloc_function) (void *udata, void *ptr, duk_size_t size);-typedef void (*duk_free_function) (void *udata, void *ptr);-typedef void (*duk_fatal_function) (duk_context *ctx, duk_errcode_t code, const char *msg);-typedef void (*duk_decode_char_function) (void *udata, duk_codepoint_t codepoint);-typedef duk_codepoint_t (*duk_map_char_function) (void *udata, duk_codepoint_t codepoint);-typedef duk_ret_t (*duk_safe_call_function) (duk_context *ctx);-typedef duk_size_t (*duk_debug_read_function) (void *udata, char *buffer, duk_size_t length);-typedef duk_size_t (*duk_debug_write_function) (void *udata, const char *buffer, duk_size_t length);-typedef duk_size_t (*duk_debug_peek_function) (void *udata);-typedef void (*duk_debug_read_flush_function) (void *udata);-typedef void (*duk_debug_write_flush_function) (void *udata);-typedef void (*duk_debug_detached_function) (void *udata);--struct duk_memory_functions {- duk_alloc_function alloc_func;- duk_realloc_function realloc_func;- duk_free_function free_func;- void *udata;-};--struct duk_function_list_entry {- const char *key;- duk_c_function value;- duk_idx_t nargs;-};--struct duk_number_list_entry {- const char *key;- duk_double_t value;-};--/*- * Constants- */--/* Duktape version, (major * 10000) + (minor * 100) + patch. Allows C code- * to #ifdef against Duktape API version. The same value is also available- * to Ecmascript code in Duktape.version. Unofficial development snapshots- * have 99 for patch level (e.g. 0.10.99 would be a development version- * after 0.10.0 but before the next official release).- */-#define DUK_VERSION 10203L--/* Git describe for Duktape build. Useful for non-official snapshot builds- * so that application code can easily log which Duktape snapshot was used.- * Not available in the Ecmascript environment.- */-#define DUK_GIT_DESCRIBE "v1.2.3"--/* Duktape debug protocol version used by this build. */-#define DUK_DEBUG_PROTOCOL_VERSION 1--/* Used to represent invalid index; if caller uses this without checking,- * this index will map to a non-existent stack entry. Also used in some- * API calls as a marker to denote "no value".- */-#define DUK_INVALID_INDEX DUK_IDX_MIN--/* Indicates that a native function does not have a fixed number of args,- * and the argument stack should not be capped/extended at all.- */-#define DUK_VARARGS ((duk_int_t) (-1))--/* Number of value stack entries (in addition to actual call arguments)- * guaranteed to be allocated on entry to a Duktape/C function.- */-#define DUK_API_ENTRY_STACK 64--/* Value types, used by e.g. duk_get_type() */-#define DUK_TYPE_NONE 0 /* no value, e.g. invalid index */-#define DUK_TYPE_UNDEFINED 1 /* Ecmascript undefined */-#define DUK_TYPE_NULL 2 /* Ecmascript null */-#define DUK_TYPE_BOOLEAN 3 /* Ecmascript boolean: 0 or 1 */-#define DUK_TYPE_NUMBER 4 /* Ecmascript number: double */-#define DUK_TYPE_STRING 5 /* Ecmascript string: CESU-8 / extended UTF-8 encoded */-#define DUK_TYPE_OBJECT 6 /* Ecmascript object: includes objects, arrays, functions, threads */-#define DUK_TYPE_BUFFER 7 /* fixed or dynamic, garbage collected byte buffer */-#define DUK_TYPE_POINTER 8 /* raw void pointer */-#define DUK_TYPE_LIGHTFUNC 9 /* lightweight function pointer */--/* Value mask types, used by e.g. duk_get_type_mask() */-#define DUK_TYPE_MASK_NONE (1 << DUK_TYPE_NONE)-#define DUK_TYPE_MASK_UNDEFINED (1 << DUK_TYPE_UNDEFINED)-#define DUK_TYPE_MASK_NULL (1 << DUK_TYPE_NULL)-#define DUK_TYPE_MASK_BOOLEAN (1 << DUK_TYPE_BOOLEAN)-#define DUK_TYPE_MASK_NUMBER (1 << DUK_TYPE_NUMBER)-#define DUK_TYPE_MASK_STRING (1 << DUK_TYPE_STRING)-#define DUK_TYPE_MASK_OBJECT (1 << DUK_TYPE_OBJECT)-#define DUK_TYPE_MASK_BUFFER (1 << DUK_TYPE_BUFFER)-#define DUK_TYPE_MASK_POINTER (1 << DUK_TYPE_POINTER)-#define DUK_TYPE_MASK_LIGHTFUNC (1 << DUK_TYPE_LIGHTFUNC)-#define DUK_TYPE_MASK_THROW (1 << 10) /* internal flag value: throw if mask doesn't match */--/* Coercion hints */-#define DUK_HINT_NONE 0 /* prefer number, unless input is a Date, in which- * case prefer string (E5 Section 8.12.8)- */-#define DUK_HINT_STRING 1 /* prefer string */-#define DUK_HINT_NUMBER 2 /* prefer number */--/* Enumeration flags for duk_enum() */-#define DUK_ENUM_INCLUDE_NONENUMERABLE (1 << 0) /* enumerate non-numerable properties in addition to enumerable */-#define DUK_ENUM_INCLUDE_INTERNAL (1 << 1) /* enumerate internal properties (regardless of enumerability) */-#define DUK_ENUM_OWN_PROPERTIES_ONLY (1 << 2) /* don't walk prototype chain, only check own properties */-#define DUK_ENUM_ARRAY_INDICES_ONLY (1 << 3) /* only enumerate array indices */-#define DUK_ENUM_SORT_ARRAY_INDICES (1 << 4) /* sort array indices, use with DUK_ENUM_ARRAY_INDICES_ONLY */-#define DUK_ENUM_NO_PROXY_BEHAVIOR (1 << 5) /* enumerate a proxy object itself without invoking proxy behavior */--/* Compilation flags for duk_compile() and duk_eval() */-#define DUK_COMPILE_EVAL (1 << 0) /* compile eval code (instead of program) */-#define DUK_COMPILE_FUNCTION (1 << 1) /* compile function code (instead of program) */-#define DUK_COMPILE_STRICT (1 << 2) /* use strict (outer) context for program, eval, or function */-#define DUK_COMPILE_SAFE (1 << 3) /* (internal) catch compilation errors */-#define DUK_COMPILE_NORESULT (1 << 4) /* (internal) omit eval result */-#define DUK_COMPILE_NOSOURCE (1 << 5) /* (internal) no source string on stack */-#define DUK_COMPILE_STRLEN (1 << 6) /* (internal) take strlen() of src_buffer (avoids double evaluation in macro) */--/* Flags for duk_def_prop() and its variants */-#define DUK_DEFPROP_WRITABLE (1 << 0) /* set writable (effective if DUK_DEFPROP_HAVE_WRITABLE set) */-#define DUK_DEFPROP_ENUMERABLE (1 << 1) /* set enumerable (effective if DUK_DEFPROP_HAVE_ENUMERABLE set) */-#define DUK_DEFPROP_CONFIGURABLE (1 << 2) /* set configurable (effective if DUK_DEFPROP_HAVE_CONFIGURABLE set) */-#define DUK_DEFPROP_HAVE_WRITABLE (1 << 3) /* set/clear writable */-#define DUK_DEFPROP_HAVE_ENUMERABLE (1 << 4) /* set/clear enumerable */-#define DUK_DEFPROP_HAVE_CONFIGURABLE (1 << 5) /* set/clear configurable */-#define DUK_DEFPROP_HAVE_VALUE (1 << 6) /* set value (given on value stack) */-#define DUK_DEFPROP_HAVE_GETTER (1 << 7) /* set getter (given on value stack) */-#define DUK_DEFPROP_HAVE_SETTER (1 << 8) /* set setter (given on value stack) */-#define DUK_DEFPROP_FORCE (1 << 9) /* force change if possible, may still fail for e.g. virtual properties */--/* Flags for duk_push_thread_raw() */-#define DUK_THREAD_NEW_GLOBAL_ENV (1 << 0) /* create a new global environment */--/* Flags for duk_push_string_file_raw() */-#define DUK_STRING_PUSH_SAFE (1 << 0) /* no error if file does not exist */--/* Duktape specific error codes */-#define DUK_ERR_NONE 0 /* no error (e.g. from duk_get_error_code()) */-#define DUK_ERR_UNIMPLEMENTED_ERROR 50 /* UnimplementedError */-#define DUK_ERR_UNSUPPORTED_ERROR 51 /* UnsupportedError */-#define DUK_ERR_INTERNAL_ERROR 52 /* InternalError */-#define DUK_ERR_ALLOC_ERROR 53 /* AllocError */-#define DUK_ERR_ASSERTION_ERROR 54 /* AssertionError */-#define DUK_ERR_API_ERROR 55 /* APIError */-#define DUK_ERR_UNCAUGHT_ERROR 56 /* UncaughtError */--/* Ecmascript E5 specification error codes */-#define DUK_ERR_ERROR 100 /* Error */-#define DUK_ERR_EVAL_ERROR 101 /* EvalError */-#define DUK_ERR_RANGE_ERROR 102 /* RangeError */-#define DUK_ERR_REFERENCE_ERROR 103 /* ReferenceError */-#define DUK_ERR_SYNTAX_ERROR 104 /* SyntaxError */-#define DUK_ERR_TYPE_ERROR 105 /* TypeError */-#define DUK_ERR_URI_ERROR 106 /* URIError */--/* Return codes for C functions (shortcut for throwing an error) */-#define DUK_RET_UNIMPLEMENTED_ERROR (-DUK_ERR_UNIMPLEMENTED_ERROR)-#define DUK_RET_UNSUPPORTED_ERROR (-DUK_ERR_UNSUPPORTED_ERROR)-#define DUK_RET_INTERNAL_ERROR (-DUK_ERR_INTERNAL_ERROR)-#define DUK_RET_ALLOC_ERROR (-DUK_ERR_ALLOC_ERROR)-#define DUK_RET_ASSERTION_ERROR (-DUK_ERR_ASSERTION_ERROR)-#define DUK_RET_API_ERROR (-DUK_ERR_API_ERROR)-#define DUK_RET_UNCAUGHT_ERROR (-DUK_ERR_UNCAUGHT_ERROR)-#define DUK_RET_ERROR (-DUK_ERR_ERROR)-#define DUK_RET_EVAL_ERROR (-DUK_ERR_EVAL_ERROR)-#define DUK_RET_RANGE_ERROR (-DUK_ERR_RANGE_ERROR)-#define DUK_RET_REFERENCE_ERROR (-DUK_ERR_REFERENCE_ERROR)-#define DUK_RET_SYNTAX_ERROR (-DUK_ERR_SYNTAX_ERROR)-#define DUK_RET_TYPE_ERROR (-DUK_ERR_TYPE_ERROR)-#define DUK_RET_URI_ERROR (-DUK_ERR_URI_ERROR)--/* Return codes for protected calls (duk_safe_call(), duk_pcall()). */-#define DUK_EXEC_SUCCESS 0-#define DUK_EXEC_ERROR 1--/* Log levels */-#define DUK_LOG_TRACE 0-#define DUK_LOG_DEBUG 1-#define DUK_LOG_INFO 2-#define DUK_LOG_WARN 3-#define DUK_LOG_ERROR 4-#define DUK_LOG_FATAL 5--/*- * If no variadic macros, __FILE__ and __LINE__ are passed through globals- * which is ugly and not thread safe.- */--#ifndef DUK_API_VARIADIC_MACROS-DUK_EXTERNAL_DECL const char *duk_api_global_filename;-DUK_EXTERNAL_DECL duk_int_t duk_api_global_line;-#endif--/*- * Context management- */--DUK_EXTERNAL_DECL-duk_context *duk_create_heap(duk_alloc_function alloc_func,- duk_realloc_function realloc_func,- duk_free_function free_func,- void *heap_udata,- duk_fatal_function fatal_handler);-DUK_EXTERNAL_DECL void duk_destroy_heap(duk_context *ctx);--#define duk_create_heap_default() \- duk_create_heap(NULL, NULL, NULL, NULL, NULL)--/*- * Memory management- *- * Raw functions have no side effects (cannot trigger GC).- */--DUK_EXTERNAL_DECL void *duk_alloc_raw(duk_context *ctx, duk_size_t size);-DUK_EXTERNAL_DECL void duk_free_raw(duk_context *ctx, void *ptr);-DUK_EXTERNAL_DECL void *duk_realloc_raw(duk_context *ctx, void *ptr, duk_size_t size);-DUK_EXTERNAL_DECL void *duk_alloc(duk_context *ctx, duk_size_t size);-DUK_EXTERNAL_DECL void duk_free(duk_context *ctx, void *ptr);-DUK_EXTERNAL_DECL void *duk_realloc(duk_context *ctx, void *ptr, duk_size_t size);-DUK_EXTERNAL_DECL void duk_get_memory_functions(duk_context *ctx, duk_memory_functions *out_funcs);-DUK_EXTERNAL_DECL void duk_gc(duk_context *ctx, duk_uint_t flags);--/*- * Error handling- */--DUK_API_NORETURN(DUK_EXTERNAL_DECL void duk_throw(duk_context *ctx));-DUK_API_NORETURN(DUK_EXTERNAL_DECL void duk_fatal(duk_context *ctx, duk_errcode_t err_code, const char *err_msg));--DUK_API_NORETURN(DUK_EXTERNAL_DECL void duk_error_raw(duk_context *ctx, duk_errcode_t err_code, const char *filename, duk_int_t line, const char *fmt, ...));--#ifdef DUK_API_VARIADIC_MACROS-#define duk_error(ctx,err_code,...) \- duk_error_raw((ctx), (duk_errcode_t) (err_code), (const char *) (__FILE__), (duk_int_t) (__LINE__), __VA_ARGS__)-#else-DUK_API_NORETURN(DUK_EXTERNAL_DECL void duk_error_stash(duk_context *ctx, duk_errcode_t err_code, const char *fmt, ...));-/* One problem with this macro is that expressions like the following fail- * to compile: "(void) duk_error(...)". But because duk_error() is noreturn,- * they make little sense anyway.- */-#define duk_error \- (duk_api_global_filename = (const char *) (__FILE__), \- duk_api_global_line = (duk_int_t) (__LINE__), \- duk_error_stash) /* last value is func pointer, arguments follow in parens */-#endif--DUK_API_NORETURN(DUK_EXTERNAL_DECL void duk_error_va_raw(duk_context *ctx, duk_errcode_t err_code, const char *filename, duk_int_t line, const char *fmt, va_list ap));-#define duk_error_va(ctx,err_code,fmt,ap) \- duk_error_va_raw((ctx), (duk_errcode_t) (err_code), (const char *) (__FILE__), (duk_int_t) (__LINE__), (fmt), (ap))--/*- * Other state related functions- */--DUK_EXTERNAL_DECL duk_bool_t duk_is_strict_call(duk_context *ctx);-DUK_EXTERNAL_DECL duk_bool_t duk_is_constructor_call(duk_context *ctx);--/*- * Stack management- */--DUK_EXTERNAL_DECL duk_idx_t duk_normalize_index(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_idx_t duk_require_normalize_index(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_bool_t duk_is_valid_index(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL void duk_require_valid_index(duk_context *ctx, duk_idx_t index);--DUK_EXTERNAL_DECL duk_idx_t duk_get_top(duk_context *ctx);-DUK_EXTERNAL_DECL void duk_set_top(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_idx_t duk_get_top_index(duk_context *ctx);-DUK_EXTERNAL_DECL duk_idx_t duk_require_top_index(duk_context *ctx);--/* Although extra/top could be an unsigned type here, using a signed type- * makes the API more robust to calling code calculation errors or corner- * cases (where caller might occasionally come up with negative values).- * Negative values are treated as zero, which is better than casting them- * to a large unsigned number. (This principle is used elsewhere in the- * API too.)- */-DUK_EXTERNAL_DECL duk_bool_t duk_check_stack(duk_context *ctx, duk_idx_t extra);-DUK_EXTERNAL_DECL void duk_require_stack(duk_context *ctx, duk_idx_t extra);-DUK_EXTERNAL_DECL duk_bool_t duk_check_stack_top(duk_context *ctx, duk_idx_t top);-DUK_EXTERNAL_DECL void duk_require_stack_top(duk_context *ctx, duk_idx_t top);--/*- * Stack manipulation (other than push/pop)- */--DUK_EXTERNAL_DECL void duk_swap(duk_context *ctx, duk_idx_t index1, duk_idx_t index2);-DUK_EXTERNAL_DECL void duk_swap_top(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL void duk_dup(duk_context *ctx, duk_idx_t from_index);-DUK_EXTERNAL_DECL void duk_dup_top(duk_context *ctx);-DUK_EXTERNAL_DECL void duk_insert(duk_context *ctx, duk_idx_t to_index);-DUK_EXTERNAL_DECL void duk_replace(duk_context *ctx, duk_idx_t to_index);-DUK_EXTERNAL_DECL void duk_copy(duk_context *ctx, duk_idx_t from_index, duk_idx_t to_index);-DUK_EXTERNAL_DECL void duk_remove(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL void duk_xcopymove_raw(duk_context *to_ctx, duk_context *from_ctx, duk_idx_t count, duk_bool_t is_copy);--#define duk_xmove_top(to_ctx,from_ctx,count) \- duk_xcopymove_raw((to_ctx), (from_ctx), (count), 0 /*is_copy*/)-#define duk_xcopy_top(to_ctx,from_ctx,count) \- duk_xcopymove_raw((to_ctx), (from_ctx), (count), 1 /*is_copy*/)--/*- * Push operations- *- * Push functions return the absolute (relative to bottom of frame)- * position of the pushed value for convenience.- *- * Note: duk_dup() is technically a push.- */--DUK_EXTERNAL_DECL void duk_push_undefined(duk_context *ctx);-DUK_EXTERNAL_DECL void duk_push_null(duk_context *ctx);-DUK_EXTERNAL_DECL void duk_push_boolean(duk_context *ctx, duk_bool_t val);-DUK_EXTERNAL_DECL void duk_push_true(duk_context *ctx);-DUK_EXTERNAL_DECL void duk_push_false(duk_context *ctx);-DUK_EXTERNAL_DECL void duk_push_number(duk_context *ctx, duk_double_t val);-DUK_EXTERNAL_DECL void duk_push_nan(duk_context *ctx);-DUK_EXTERNAL_DECL void duk_push_int(duk_context *ctx, duk_int_t val);-DUK_EXTERNAL_DECL void duk_push_uint(duk_context *ctx, duk_uint_t val);-DUK_EXTERNAL_DECL const char *duk_push_string(duk_context *ctx, const char *str);-DUK_EXTERNAL_DECL const char *duk_push_lstring(duk_context *ctx, const char *str, duk_size_t len);-DUK_EXTERNAL_DECL void duk_push_pointer(duk_context *ctx, void *p);-DUK_EXTERNAL_DECL const char *duk_push_sprintf(duk_context *ctx, const char *fmt, ...);-DUK_EXTERNAL_DECL const char *duk_push_vsprintf(duk_context *ctx, const char *fmt, va_list ap);--DUK_EXTERNAL_DECL const char *duk_push_string_file_raw(duk_context *ctx, const char *path, duk_uint_t flags);-#define duk_push_string_file(ctx,path) \- duk_push_string_file_raw((ctx), (path), 0)--DUK_EXTERNAL_DECL void duk_push_this(duk_context *ctx);-DUK_EXTERNAL_DECL void duk_push_current_function(duk_context *ctx);-DUK_EXTERNAL_DECL void duk_push_current_thread(duk_context *ctx);-DUK_EXTERNAL_DECL void duk_push_global_object(duk_context *ctx);-DUK_EXTERNAL_DECL void duk_push_heap_stash(duk_context *ctx);-DUK_EXTERNAL_DECL void duk_push_global_stash(duk_context *ctx);-DUK_EXTERNAL_DECL void duk_push_thread_stash(duk_context *ctx, duk_context *target_ctx);--DUK_EXTERNAL_DECL duk_idx_t duk_push_object(duk_context *ctx);-DUK_EXTERNAL_DECL duk_idx_t duk_push_array(duk_context *ctx);-DUK_EXTERNAL_DECL duk_idx_t duk_push_c_function(duk_context *ctx, duk_c_function func, duk_idx_t nargs);-DUK_EXTERNAL_DECL duk_idx_t duk_push_c_lightfunc(duk_context *ctx, duk_c_function func, duk_idx_t nargs, duk_idx_t length, duk_int_t magic);-DUK_EXTERNAL_DECL duk_idx_t duk_push_thread_raw(duk_context *ctx, duk_uint_t flags);--#define duk_push_thread(ctx) \- duk_push_thread_raw((ctx), 0 /*flags*/)--#define duk_push_thread_new_globalenv(ctx) \- duk_push_thread_raw((ctx), DUK_THREAD_NEW_GLOBAL_ENV /*flags*/)--DUK_EXTERNAL_DECL duk_idx_t duk_push_error_object_raw(duk_context *ctx, duk_errcode_t err_code, const char *filename, duk_int_t line, const char *fmt, ...);--#ifdef DUK_API_VARIADIC_MACROS-#define duk_push_error_object(ctx,err_code,...) \- duk_push_error_object_raw((ctx), (err_code), (const char *) (__FILE__), (duk_int_t) (__LINE__), __VA_ARGS__)-#else-DUK_EXTERNAL_DECL duk_idx_t duk_push_error_object_stash(duk_context *ctx, duk_errcode_t err_code, const char *fmt, ...);-/* Note: parentheses are required so that the comma expression works in assignments. */-#define duk_push_error_object \- (duk_api_global_filename = (const char *) (__FILE__), \- duk_api_global_line = (duk_int_t) (__LINE__), \- duk_push_error_object_stash) /* last value is func pointer, arguments follow in parens */-#endif--DUK_EXTERNAL_DECL duk_idx_t duk_push_error_object_va_raw(duk_context *ctx, duk_errcode_t err_code, const char *filename, duk_int_t line, const char *fmt, va_list ap);-#define duk_push_error_object_va(ctx,err_code,fmt,ap) \- duk_push_error_object_va_raw((ctx), (err_code), (const char *) (__FILE__), (duk_int_t) (__LINE__), (fmt), (ap))--#define DUK_BUF_FLAG_DYNAMIC (1 << 0) /* internal flag: dynamic buffer */-#define DUK_BUF_FLAG_NOZERO (1 << 1) /* internal flag: don't zero allocated buffer */--DUK_EXTERNAL_DECL void *duk_push_buffer_raw(duk_context *ctx, duk_size_t size, duk_small_uint_t flags);--#define duk_push_buffer(ctx,size,dynamic) \- duk_push_buffer_raw((ctx), (size), (dynamic));-#define duk_push_fixed_buffer(ctx,size) \- duk_push_buffer_raw((ctx), (size), 0 /*dynamic*/)-#define duk_push_dynamic_buffer(ctx,size) \- duk_push_buffer_raw((ctx), (size), 1 /*dynamic*/)--DUK_EXTERNAL_DECL duk_idx_t duk_push_heapptr(duk_context *ctx, void *ptr);--/*- * Pop operations- */--DUK_EXTERNAL_DECL void duk_pop(duk_context *ctx);-DUK_EXTERNAL_DECL void duk_pop_n(duk_context *ctx, duk_idx_t count);-DUK_EXTERNAL_DECL void duk_pop_2(duk_context *ctx);-DUK_EXTERNAL_DECL void duk_pop_3(duk_context *ctx);--/*- * Type checks- *- * duk_is_none(), which would indicate whether index it outside of stack,- * is not needed; duk_is_valid_index() gives the same information.- */--DUK_EXTERNAL_DECL duk_int_t duk_get_type(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_bool_t duk_check_type(duk_context *ctx, duk_idx_t index, duk_int_t type);-DUK_EXTERNAL_DECL duk_uint_t duk_get_type_mask(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_bool_t duk_check_type_mask(duk_context *ctx, duk_idx_t index, duk_uint_t mask);--DUK_EXTERNAL_DECL duk_bool_t duk_is_undefined(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_bool_t duk_is_null(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_bool_t duk_is_null_or_undefined(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_bool_t duk_is_boolean(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_bool_t duk_is_number(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_bool_t duk_is_nan(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_bool_t duk_is_string(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_bool_t duk_is_object(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_bool_t duk_is_buffer(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_bool_t duk_is_pointer(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_bool_t duk_is_lightfunc(duk_context *ctx, duk_idx_t index);--DUK_EXTERNAL_DECL duk_bool_t duk_is_array(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_bool_t duk_is_function(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_bool_t duk_is_c_function(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_bool_t duk_is_ecmascript_function(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_bool_t duk_is_bound_function(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_bool_t duk_is_thread(duk_context *ctx, duk_idx_t index);--DUK_EXTERNAL_DECL duk_bool_t duk_is_callable(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_bool_t duk_is_dynamic_buffer(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_bool_t duk_is_fixed_buffer(duk_context *ctx, duk_idx_t index);--DUK_EXTERNAL_DECL duk_bool_t duk_is_primitive(duk_context *ctx, duk_idx_t index);-#define duk_is_object_coercible(ctx,index) \- duk_check_type_mask((ctx), (index), DUK_TYPE_MASK_BOOLEAN | \- DUK_TYPE_MASK_NUMBER | \- DUK_TYPE_MASK_STRING | \- DUK_TYPE_MASK_OBJECT | \- DUK_TYPE_MASK_BUFFER | \- DUK_TYPE_MASK_POINTER | \- DUK_TYPE_MASK_LIGHTFUNC)--DUK_EXTERNAL_DECL duk_errcode_t duk_get_error_code(duk_context *ctx, duk_idx_t index);-#define duk_is_error(ctx,index) \- (duk_get_error_code((ctx), (index)) != 0)--/*- * Get operations: no coercion, returns default value for invalid- * indices and invalid value types.- *- * duk_get_undefined() and duk_get_null() would be pointless and- * are not included.- */--DUK_EXTERNAL_DECL duk_bool_t duk_get_boolean(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_double_t duk_get_number(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_int_t duk_get_int(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_uint_t duk_get_uint(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL const char *duk_get_string(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL const char *duk_get_lstring(duk_context *ctx, duk_idx_t index, duk_size_t *out_len);-DUK_EXTERNAL_DECL void *duk_get_buffer(duk_context *ctx, duk_idx_t index, duk_size_t *out_size);-DUK_EXTERNAL_DECL void *duk_get_pointer(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_c_function duk_get_c_function(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_context *duk_get_context(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL void *duk_get_heapptr(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_size_t duk_get_length(duk_context *ctx, duk_idx_t index);--/*- * Require operations: no coercion, throw error if index or type- * is incorrect. No defaulting.- */--#define duk_require_type_mask(ctx,index,mask) \- ((void) duk_check_type_mask((ctx), (index), (mask) | DUK_TYPE_MASK_THROW))--DUK_EXTERNAL_DECL void duk_require_undefined(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL void duk_require_null(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_bool_t duk_require_boolean(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_double_t duk_require_number(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_int_t duk_require_int(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_uint_t duk_require_uint(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL const char *duk_require_string(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL const char *duk_require_lstring(duk_context *ctx, duk_idx_t index, duk_size_t *out_len);-DUK_EXTERNAL_DECL void *duk_require_buffer(duk_context *ctx, duk_idx_t index, duk_size_t *out_size);-DUK_EXTERNAL_DECL void *duk_require_pointer(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_c_function duk_require_c_function(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_context *duk_require_context(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL void *duk_require_heapptr(duk_context *ctx, duk_idx_t index);--#define duk_require_object_coercible(ctx,index) \- ((void) duk_check_type_mask((ctx), (index), DUK_TYPE_MASK_BOOLEAN | \- DUK_TYPE_MASK_NUMBER | \- DUK_TYPE_MASK_STRING | \- DUK_TYPE_MASK_OBJECT | \- DUK_TYPE_MASK_BUFFER | \- DUK_TYPE_MASK_POINTER | \- DUK_TYPE_MASK_LIGHTFUNC | \- DUK_TYPE_MASK_THROW))--/*- * Coercion operations: in-place coercion, return coerced value where- * applicable. If index is invalid, throw error. Some coercions may- * throw an expected error (e.g. from a toString() or valueOf() call)- * or an internal error (e.g. from out of memory).- */--DUK_EXTERNAL_DECL void duk_to_undefined(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL void duk_to_null(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_bool_t duk_to_boolean(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_double_t duk_to_number(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_int_t duk_to_int(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_uint_t duk_to_uint(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_int32_t duk_to_int32(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_uint32_t duk_to_uint32(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_uint16_t duk_to_uint16(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL const char *duk_to_string(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL const char *duk_to_lstring(duk_context *ctx, duk_idx_t index, duk_size_t *out_len);-DUK_EXTERNAL_DECL void *duk_to_buffer_raw(duk_context *ctx, duk_idx_t index, duk_size_t *out_size, duk_uint_t flags);-DUK_EXTERNAL_DECL void *duk_to_pointer(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL void duk_to_object(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL void duk_to_defaultvalue(duk_context *ctx, duk_idx_t index, duk_int_t hint);-DUK_EXTERNAL_DECL void duk_to_primitive(duk_context *ctx, duk_idx_t index, duk_int_t hint);--#define DUK_BUF_MODE_FIXED 0 /* internal: request fixed buffer result */-#define DUK_BUF_MODE_DYNAMIC 1 /* internal: request dynamic buffer result */-#define DUK_BUF_MODE_DONTCARE 2 /* internal: don't care about fixed/dynamic nature */--#define duk_to_buffer(ctx,index,out_size) \- duk_to_buffer_raw((ctx), (index), (out_size), DUK_BUF_MODE_DONTCARE)-#define duk_to_fixed_buffer(ctx,index,out_size) \- duk_to_buffer_raw((ctx), (index), (out_size), DUK_BUF_MODE_FIXED)-#define duk_to_dynamic_buffer(ctx,index,out_size) \- duk_to_buffer_raw((ctx), (index), (out_size), DUK_BUF_MODE_DYNAMIC)--/* safe variants of a few coercion operations */-DUK_EXTERNAL_DECL const char *duk_safe_to_lstring(duk_context *ctx, duk_idx_t index, duk_size_t *out_len);-#define duk_safe_to_string(ctx,index) \- duk_safe_to_lstring((ctx), (index), NULL)--/*- * Misc conversion- */--DUK_EXTERNAL_DECL const char *duk_base64_encode(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL void duk_base64_decode(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL const char *duk_hex_encode(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL void duk_hex_decode(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL const char *duk_json_encode(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL void duk_json_decode(duk_context *ctx, duk_idx_t index);--/*- * Buffer- */--DUK_EXTERNAL_DECL void *duk_resize_buffer(duk_context *ctx, duk_idx_t index, duk_size_t new_size);--/*- * Property access- *- * The basic function assumes key is on stack. The _string variant takes- * a C string as a property name, while the _index variant takes an array- * index as a property name (e.g. 123 is equivalent to the key "123").- */--DUK_EXTERNAL_DECL duk_bool_t duk_get_prop(duk_context *ctx, duk_idx_t obj_index);-DUK_EXTERNAL_DECL duk_bool_t duk_get_prop_string(duk_context *ctx, duk_idx_t obj_index, const char *key);-DUK_EXTERNAL_DECL duk_bool_t duk_get_prop_index(duk_context *ctx, duk_idx_t obj_index, duk_uarridx_t arr_index);-DUK_EXTERNAL_DECL duk_bool_t duk_put_prop(duk_context *ctx, duk_idx_t obj_index);-DUK_EXTERNAL_DECL duk_bool_t duk_put_prop_string(duk_context *ctx, duk_idx_t obj_index, const char *key);-DUK_EXTERNAL_DECL duk_bool_t duk_put_prop_index(duk_context *ctx, duk_idx_t obj_index, duk_uarridx_t arr_index);-DUK_EXTERNAL_DECL duk_bool_t duk_del_prop(duk_context *ctx, duk_idx_t obj_index);-DUK_EXTERNAL_DECL duk_bool_t duk_del_prop_string(duk_context *ctx, duk_idx_t obj_index, const char *key);-DUK_EXTERNAL_DECL duk_bool_t duk_del_prop_index(duk_context *ctx, duk_idx_t obj_index, duk_uarridx_t arr_index);-DUK_EXTERNAL_DECL duk_bool_t duk_has_prop(duk_context *ctx, duk_idx_t obj_index);-DUK_EXTERNAL_DECL duk_bool_t duk_has_prop_string(duk_context *ctx, duk_idx_t obj_index, const char *key);-DUK_EXTERNAL_DECL duk_bool_t duk_has_prop_index(duk_context *ctx, duk_idx_t obj_index, duk_uarridx_t arr_index);-DUK_EXTERNAL_DECL void duk_def_prop(duk_context *ctx, duk_idx_t obj_index, duk_uint_t flags);--DUK_EXTERNAL_DECL duk_bool_t duk_get_global_string(duk_context *ctx, const char *key);-DUK_EXTERNAL_DECL duk_bool_t duk_put_global_string(duk_context *ctx, const char *key);--/*- * Object prototype- */--DUK_EXTERNAL_DECL void duk_get_prototype(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL void duk_set_prototype(duk_context *ctx, duk_idx_t index);--/*- * Object finalizer- */--DUK_EXTERNAL_DECL void duk_get_finalizer(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL void duk_set_finalizer(duk_context *ctx, duk_idx_t index);--/*- * Global object- */--DUK_EXTERNAL_DECL void duk_set_global_object(duk_context *ctx);--/*- * Duktape/C function magic value- */--DUK_EXTERNAL_DECL duk_int_t duk_get_magic(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL void duk_set_magic(duk_context *ctx, duk_idx_t index, duk_int_t magic);-DUK_EXTERNAL_DECL duk_int_t duk_get_current_magic(duk_context *ctx);--/*- * Module helpers: put multiple function or constant properties- */--DUK_EXTERNAL_DECL void duk_put_function_list(duk_context *ctx, duk_idx_t obj_index, const duk_function_list_entry *funcs);-DUK_EXTERNAL_DECL void duk_put_number_list(duk_context *ctx, duk_idx_t obj_index, const duk_number_list_entry *numbers);--/*- * Variable access- */--/* XXX: These calls are incomplete and not usable now. They are not (yet)- * part of the public API.- */-DUK_EXTERNAL_DECL void duk_get_var(duk_context *ctx);-DUK_EXTERNAL_DECL void duk_put_var(duk_context *ctx);-DUK_EXTERNAL_DECL duk_bool_t duk_del_var(duk_context *ctx);-DUK_EXTERNAL_DECL duk_bool_t duk_has_var(duk_context *ctx);--/*- * Object operations- */--DUK_EXTERNAL_DECL void duk_compact(duk_context *ctx, duk_idx_t obj_index);-DUK_EXTERNAL_DECL void duk_enum(duk_context *ctx, duk_idx_t obj_index, duk_uint_t enum_flags);-DUK_EXTERNAL_DECL duk_bool_t duk_next(duk_context *ctx, duk_idx_t enum_index, duk_bool_t get_value);--/*- * String manipulation- */--DUK_EXTERNAL_DECL void duk_concat(duk_context *ctx, duk_idx_t count);-DUK_EXTERNAL_DECL void duk_join(duk_context *ctx, duk_idx_t count);-DUK_EXTERNAL_DECL void duk_decode_string(duk_context *ctx, duk_idx_t index, duk_decode_char_function callback, void *udata);-DUK_EXTERNAL_DECL void duk_map_string(duk_context *ctx, duk_idx_t index, duk_map_char_function callback, void *udata);-DUK_EXTERNAL_DECL void duk_substring(duk_context *ctx, duk_idx_t index, duk_size_t start_char_offset, duk_size_t end_char_offset);-DUK_EXTERNAL_DECL void duk_trim(duk_context *ctx, duk_idx_t index);-DUK_EXTERNAL_DECL duk_codepoint_t duk_char_code_at(duk_context *ctx, duk_idx_t index, duk_size_t char_offset);--/*- * Ecmascript operators- */--DUK_EXTERNAL_DECL duk_bool_t duk_equals(duk_context *ctx, duk_idx_t index1, duk_idx_t index2);-DUK_EXTERNAL_DECL duk_bool_t duk_strict_equals(duk_context *ctx, duk_idx_t index1, duk_idx_t index2);--/*- * Function (method) calls- */--DUK_EXTERNAL_DECL void duk_call(duk_context *ctx, duk_idx_t nargs);-DUK_EXTERNAL_DECL void duk_call_method(duk_context *ctx, duk_idx_t nargs);-DUK_EXTERNAL_DECL void duk_call_prop(duk_context *ctx, duk_idx_t obj_index, duk_idx_t nargs);-DUK_EXTERNAL_DECL duk_int_t duk_pcall(duk_context *ctx, duk_idx_t nargs);-DUK_EXTERNAL_DECL duk_int_t duk_pcall_method(duk_context *ctx, duk_idx_t nargs);-DUK_EXTERNAL_DECL duk_int_t duk_pcall_prop(duk_context *ctx, duk_idx_t obj_index, duk_idx_t nargs);-DUK_EXTERNAL_DECL void duk_new(duk_context *ctx, duk_idx_t nargs);-DUK_EXTERNAL_DECL duk_int_t duk_safe_call(duk_context *ctx, duk_safe_call_function func, duk_idx_t nargs, duk_idx_t nrets);--/*- * Thread management- */--/* There are currently no native functions to yield/resume, due to the internal- * limitations on coroutine handling. These will be added later.- */--/*- * Compilation and evaluation- */--DUK_EXTERNAL_DECL duk_int_t duk_eval_raw(duk_context *ctx, const char *src_buffer, duk_size_t src_length, duk_uint_t flags);-DUK_EXTERNAL_DECL duk_int_t duk_compile_raw(duk_context *ctx, const char *src_buffer, duk_size_t src_length, duk_uint_t flags);--/* plain */-#define duk_eval(ctx) \- ((void) duk_push_string((ctx), (const char *) (__FILE__)), \- (void) duk_eval_raw((ctx), NULL, 0, DUK_COMPILE_EVAL))--#define duk_eval_noresult(ctx) \- ((void) duk_push_string((ctx), (const char *) (__FILE__)), \- (void) duk_eval_raw((ctx), NULL, 0, DUK_COMPILE_EVAL | DUK_COMPILE_NORESULT))--#define duk_peval(ctx) \- ((void) duk_push_string((ctx), (const char *) (__FILE__)), \- duk_eval_raw((ctx), NULL, 0, DUK_COMPILE_EVAL | DUK_COMPILE_SAFE))--#define duk_peval_noresult(ctx) \- ((void) duk_push_string((ctx), (const char *) (__FILE__)), \- duk_eval_raw((ctx), NULL, 0, DUK_COMPILE_EVAL | DUK_COMPILE_SAFE | DUK_COMPILE_NORESULT))--#define duk_compile(ctx,flags) \- ((void) duk_compile_raw((ctx), NULL, 0, (flags)))--#define duk_pcompile(ctx,flags) \- (duk_compile_raw((ctx), NULL, 0, (flags) | DUK_COMPILE_SAFE))--/* string */-#define duk_eval_string(ctx,src) \- ((void) duk_push_string((ctx), (const char *) (__FILE__)), \- (void) duk_eval_raw((ctx), (src), 0, DUK_COMPILE_EVAL | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN))--#define duk_eval_string_noresult(ctx,src) \- ((void) duk_push_string((ctx), (const char *) (__FILE__)), \- (void) duk_eval_raw((ctx), (src), 0, DUK_COMPILE_EVAL | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN | DUK_COMPILE_NORESULT))--#define duk_peval_string(ctx,src) \- ((void) duk_push_string((ctx), (const char *) (__FILE__)), \- duk_eval_raw((ctx), (src), 0, DUK_COMPILE_EVAL | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN))--#define duk_peval_string_noresult(ctx,src) \- ((void) duk_push_string((ctx), (const char *) (__FILE__)), \- duk_eval_raw((ctx), (src), 0, DUK_COMPILE_EVAL | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN | DUK_COMPILE_NORESULT))--#define duk_compile_string(ctx,flags,src) \- ((void) duk_push_string((ctx), (const char *) (__FILE__)), \- (void) duk_compile_raw((ctx), (src), 0, (flags) | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN))--#define duk_compile_string_filename(ctx,flags,src) \- ((void) duk_compile_raw((ctx), (src), 0, (flags) | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN))--#define duk_pcompile_string(ctx,flags,src) \- ((void) duk_push_string((ctx), (const char *) (__FILE__)), \- duk_compile_raw((ctx), (src), 0, (flags) | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN))--#define duk_pcompile_string_filename(ctx,flags,src) \- (duk_compile_raw((ctx), (src), 0, (flags) | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN))--/* lstring */-#define duk_eval_lstring(ctx,buf,len) \- ((void) duk_push_string((ctx), (const char *) (__FILE__)), \- (void) duk_eval_raw((ctx), buf, len, DUK_COMPILE_EVAL | DUK_COMPILE_NOSOURCE))--#define duk_eval_lstring_noresult(ctx,buf,len) \- ((void) duk_push_string((ctx), (const char *) (__FILE__)), \- (void) duk_eval_raw((ctx), buf, len, DUK_COMPILE_EVAL | DUK_COMPILE_NOSOURCE | DUK_COMPILE_NORESULT))--#define duk_peval_lstring(ctx,buf,len) \- ((void) duk_push_string((ctx), (const char *) (__FILE__)), \- duk_eval_raw((ctx), buf, len, DUK_COMPILE_EVAL | DUK_COMPILE_NOSOURCE | DUK_COMPILE_SAFE))--#define duk_peval_lstring_noresult(ctx,buf,len) \- ((void) duk_push_string((ctx), (const char *) (__FILE__)), \- duk_eval_raw((ctx), buf, len, DUK_COMPILE_EVAL | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE | DUK_COMPILE_NORESULT))--#define duk_compile_lstring(ctx,flags,buf,len) \- ((void) duk_push_string((ctx), (const char *) (__FILE__)), \- (void) duk_compile_raw((ctx), buf, len, (flags) | DUK_COMPILE_NOSOURCE))--#define duk_compile_lstring_filename(ctx,flags,buf,len) \- ((void) duk_compile_raw((ctx), buf, len, (flags) | DUK_COMPILE_NOSOURCE))--#define duk_pcompile_lstring(ctx,flags,buf,len) \- ((void) duk_push_string((ctx), (const char *) (__FILE__)), \- duk_compile_raw((ctx), buf, len, (flags) | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE))--#define duk_pcompile_lstring_filename(ctx,flags,buf,len) \- (duk_compile_raw((ctx), buf, len, (flags) | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE))--/* file */-#define duk_eval_file(ctx,path) \- ((void) duk_push_string_file_raw((ctx), (path), 0), \- (void) duk_push_string((ctx), (path)), \- (void) duk_eval_raw((ctx), NULL, 0, DUK_COMPILE_EVAL))--#define duk_eval_file_noresult(ctx,path) \- ((void) duk_push_string_file_raw((ctx), (path), 0), \- (void) duk_push_string((ctx), (path)), \- (void) duk_eval_raw((ctx), NULL, 0, DUK_COMPILE_EVAL | DUK_COMPILE_NORESULT))--#define duk_peval_file(ctx,path) \- ((void) duk_push_string_file_raw((ctx), (path), DUK_STRING_PUSH_SAFE), \- (void) duk_push_string((ctx), (path)), \- duk_eval_raw((ctx), NULL, 0, DUK_COMPILE_EVAL | DUK_COMPILE_SAFE))--#define duk_peval_file_noresult(ctx,path) \- ((void) duk_push_string_file_raw((ctx), (path), DUK_STRING_PUSH_SAFE), \- (void) duk_push_string((ctx), (path)), \- duk_eval_raw((ctx), NULL, 0, DUK_COMPILE_EVAL | DUK_COMPILE_SAFE | DUK_COMPILE_NORESULT))--#define duk_compile_file(ctx,flags,path) \- ((void) duk_push_string_file_raw((ctx), (path), 0), \- (void) duk_push_string((ctx), (path)), \- (void) duk_compile_raw((ctx), NULL, 0, (flags)))--#define duk_pcompile_file(ctx,flags,path) \- ((void) duk_push_string_file_raw((ctx), (path), DUK_STRING_PUSH_SAFE), \- (void) duk_push_string((ctx), (path)), \- duk_compile_raw((ctx), NULL, 0, (flags) | DUK_COMPILE_SAFE))--/*- * Logging- */--DUK_EXTERNAL_DECL void duk_log(duk_context *ctx, duk_int_t level, const char *fmt, ...);-DUK_EXTERNAL_DECL void duk_log_va(duk_context *ctx, duk_int_t level, const char *fmt, va_list ap);--/*- * Debugging- */--DUK_EXTERNAL_DECL void duk_push_context_dump(duk_context *ctx);--#if defined(DUK_USE_FILE_IO)-/* internal use */-#define duk_dump_context_filehandle(ctx,fh) \- (duk_push_context_dump((ctx)), \- DUK_FPRINTF((fh), "%s\n", duk_safe_to_string(ctx, -1)), \- duk_pop(ctx))--/* external use */-#define duk_dump_context_stdout(ctx) \- duk_dump_context_filehandle((ctx), DUK_STDOUT)-#define duk_dump_context_stderr(ctx) \- duk_dump_context_filehandle((ctx), DUK_STDERR)-#else /* DUK_USE_FILE_IO */-#define duk_dump_context_stdout(ctx) ((void) 0)-#define duk_dump_context_stderr(ctx) ((void) 0)-#endif /* DUK_USE_FILE_IO */--/*- * Debugger (debug protocol)- */--DUK_EXTERNAL_DECL void duk_debugger_attach(duk_context *ctx,- duk_debug_read_function read_cb,- duk_debug_write_function write_cb,- duk_debug_peek_function peek_cb,- duk_debug_read_flush_function read_flush_cb,- duk_debug_write_flush_function write_flush_cb,- duk_debug_detached_function detached_cb,- void *udata);-DUK_EXTERNAL_DECL void duk_debugger_detach(duk_context *ctx);-DUK_EXTERNAL_DECL void duk_debugger_cooperate(duk_context *ctx);--/*- * C++ name mangling- */--#ifdef __cplusplus-/* end 'extern "C"' wrapper */-}-#endif--#endif /* DUK_API_PUBLIC_H_INCLUDED */--/*- * END PUBLIC API- */--/*- * Sanity check for the final effective internal defines. This file also- * double checks user tweaks made by an optional duk_custom.h header.- */--#ifndef DUK_FEATURES_SANITY_H_INCLUDED-#define DUK_FEATURES_SANITY_H_INCLUDED--/*- * Deprecated feature options.- *- * Catch so that user more easily notices and updates build.- */--#if defined(DUK_OPT_NO_FUNC_STMT)-#error DUK_OPT_NO_FUNC_STMT is deprecated, use DUK_OPT_NO_NONSTD_FUNC_STMT-#endif--#if defined(DUK_OPT_FUNC_NONSTD_CALLER_PROPERTY)-#error DUK_OPT_FUNC_NONSTD_CALLER_PROPERTY is deprecated, use DUK_OPT_NONSTD_FUNC_CALLER_PROPERTY-#endif--#if defined(DUK_OPT_FUNC_NONSTD_SOURCE_PROPERTY)-#error DUK_OPT_FUNC_NONSTD_SOURCE_PROPERTY is deprecated, use DUK_OPT_NONSTD_FUNC_SOURCE_PROPERTY-#endif--#if defined(DUK_OPT_NO_ARRAY_SPLICE_NONSTD_DELCOUNT)-#error DUK_OPT_NO_ARRAY_SPLICE_NONSTD_DELCOUNT is deprecated, use DUK_OPT_NO_NONSTD_ARRAY_SPLICE_DELCOUNT-#endif--#if defined(DUK_OPT_NO_OBJECT_ES6_PROTO_PROPERTY)-#error DUK_OPT_NO_OBJECT_ES6_PROTO_PROPERTY is deprecated, use DUK_OPT_NO_ES6_OBJECT_PROTO_PROPERTY-#endif--#if defined(DUK_OPT_NO_OBJECT_ES6_SETPROTOTYPEOF)-#error DUK_OPT_NO_OBJECT_ES6_SETPROTOTYPEOF is deprecated, use DUK_OPT_NO_ES6_OBJECT_SETPROTOTYPEOF-#endif--#if defined(DUK_OPT_NO_JSONX)-#error DUK_OPT_NO_JSONX is deprecated, use DUK_OPT_NO_JX-#endif--#if defined(DUK_OPT_NO_JSONC)-#error DUK_OPT_NO_JSONC is deprecated, use DUK_OPT_NO_JC-#endif--/*- * Debug print consistency- */--#if defined(DUK_USE_DPRINT) && !defined(DUK_USE_DEBUG)-#error DUK_USE_DPRINT without DUK_USE_DEBUG-#endif--#if defined(DUK_USE_DDPRINT) && !defined(DUK_USE_DEBUG)-#error DUK_USE_DDPRINT without DUK_USE_DEBUG-#endif--#if defined(DUK_USE_DDDPRINT) && !defined(DUK_USE_DEBUG)-#error DUK_USE_DDDPRINT without DUK_USE_DEBUG-#endif--#if defined(DUK_USE_HEAPPTR16) && defined(DUK_USE_DEBUG)-/* Debug code doesn't have access to 'heap' so it cannot decode pointers. */-#error debug printing cannot currently be used with heap pointer compression-#endif--/*- * Debugger consistency- */--#if defined(DUK_USE_DEBUGGER_SUPPORT)-#if !defined(DUK_USE_INTERRUPT_COUNTER)-#error DUK_USE_INTERRUPT_COUNTER is needed when debugger support is enabled-#endif-#if !defined(DUK_USE_PC2LINE)-#error DUK_USE_PC2LINE is needed when debugger support is enabled-#endif-#endif--/*- * Garbage collection consistency- */--#if defined(DUK_USE_REFERENCE_COUNTING) && !defined(DUK_USE_DOUBLE_LINKED_HEAP)-#error DUK_USE_REFERENCE_COUNTING defined without DUK_USE_DOUBLE_LINKED_HEAP-#endif--#if defined(DUK_USE_GC_TORTURE) && !defined(DUK_USE_MARK_AND_SWEEP)-#error DUK_USE_GC_TORTURE defined without DUK_USE_MARK_AND_SWEEP-#endif--/*- * Low memory feature consistency- */--#if defined(DUK_USE_OBJSIZES16)-#if defined(DUK_USE_HOBJECT_HASH_PART)-#error DUK_USE_OBJSIZES16 assumes DUK_USE_HOBJECT_HASH_PART is not defined-#endif-#endif--#if defined(DUK_USE_STRTAB_CHAIN) && defined(DUK_USE_STRTAB_PROBE)-#error both DUK_USE_STRTAB_CHAIN and DUK_USE_STRTAB_PROBE defined-#endif-#if !defined(DUK_USE_STRTAB_CHAIN) && !defined(DUK_USE_STRTAB_PROBE)-#error neither DUK_USE_STRTAB_CHAIN nor DUK_USE_STRTAB_PROBE is defined-#endif--#endif /* DUK_FEATURES_SANITY_H_INCLUDED */--/*- * Union to access IEEE double memory representation, indexes for double- * memory representation, and some macros for double manipulation.- *- * Also used by packed duk_tval. Use a union for bit manipulation to- * minimize aliasing issues in practice. The C99 standard does not- * guarantee that this should work, but it's a very widely supported- * practice for low level manipulation.- *- * IEEE double format summary:- *- * seeeeeee eeeeffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff- * A B C D E F G H- *- * s sign bit- * eee... exponent field- * fff... fraction- *- * See http://en.wikipedia.org/wiki/Double_precision_floating-point_format.- *- * NaNs are represented as exponent 0x7ff and mantissa != 0. The NaN is a- * signaling NaN when the highest bit of the mantissa is zero, and a quiet- * NaN when the highest bit is set.- *- * At least three memory layouts are relevant here:- *- * A B C D E F G H Big endian (e.g. 68k) DUK_USE_DOUBLE_BE- * H G F E D C B A Little endian (e.g. x86) DUK_USE_DOUBLE_LE- * D C B A H G F E Mixed/cross endian (e.g. ARM) DUK_USE_DOUBLE_ME- *- * ARM is a special case: ARM double values are in mixed/cross endian- * format while ARM duk_uint64_t values are in standard little endian- * format (H G F E D C B A). When a double is read as a duk_uint64_t- * from memory, the register will contain the (logical) value- * E F G H A B C D. This requires some special handling below.- *- * Indexes of various types (8-bit, 16-bit, 32-bit) in memory relative to- * the logical (big endian) order:- *- * byte order duk_uint8_t duk_uint16_t duk_uint32_t- * BE 01234567 0123 01- * LE 76543210 3210 10- * ME (ARM) 32107654 1032 01- *- * Some processors may alter NaN values in a floating point load+store.- * For instance, on X86 a FLD + FSTP may convert a signaling NaN to a- * quiet one. This is catastrophic when NaN space is used in packed- * duk_tval values. See: misc/clang_aliasing.c.- */--#ifndef DUK_DBLUNION_H_INCLUDED-#define DUK_DBLUNION_H_INCLUDED--/*- * Union for accessing double parts, also serves as packed duk_tval- */--union duk_double_union {- double d;-#ifdef DUK_USE_64BIT_OPS- duk_uint64_t ull[1];-#endif- duk_uint32_t ui[2];- duk_uint16_t us[4];- duk_uint8_t uc[8];-#ifdef DUK_USE_PACKED_TVAL_POSSIBLE- void *vp[2]; /* used by packed duk_tval, assumes sizeof(void *) == 4 */-#endif-};--typedef union duk_double_union duk_double_union;--/*- * Indexes of various types with respect to big endian (logical) layout- */--#if defined(DUK_USE_DOUBLE_LE)-#ifdef DUK_USE_64BIT_OPS-#define DUK_DBL_IDX_ULL0 0-#endif-#define DUK_DBL_IDX_UI0 1-#define DUK_DBL_IDX_UI1 0-#define DUK_DBL_IDX_US0 3-#define DUK_DBL_IDX_US1 2-#define DUK_DBL_IDX_US2 1-#define DUK_DBL_IDX_US3 0-#define DUK_DBL_IDX_UC0 7-#define DUK_DBL_IDX_UC1 6-#define DUK_DBL_IDX_UC2 5-#define DUK_DBL_IDX_UC3 4-#define DUK_DBL_IDX_UC4 3-#define DUK_DBL_IDX_UC5 2-#define DUK_DBL_IDX_UC6 1-#define DUK_DBL_IDX_UC7 0-#define DUK_DBL_IDX_VP0 DUK_DBL_IDX_UI0 /* packed tval */-#define DUK_DBL_IDX_VP1 DUK_DBL_IDX_UI1 /* packed tval */-#elif defined(DUK_USE_DOUBLE_BE)-#ifdef DUK_USE_64BIT_OPS-#define DUK_DBL_IDX_ULL0 0-#endif-#define DUK_DBL_IDX_UI0 0-#define DUK_DBL_IDX_UI1 1-#define DUK_DBL_IDX_US0 0-#define DUK_DBL_IDX_US1 1-#define DUK_DBL_IDX_US2 2-#define DUK_DBL_IDX_US3 3-#define DUK_DBL_IDX_UC0 0-#define DUK_DBL_IDX_UC1 1-#define DUK_DBL_IDX_UC2 2-#define DUK_DBL_IDX_UC3 3-#define DUK_DBL_IDX_UC4 4-#define DUK_DBL_IDX_UC5 5-#define DUK_DBL_IDX_UC6 6-#define DUK_DBL_IDX_UC7 7-#define DUK_DBL_IDX_VP0 DUK_DBL_IDX_UI0 /* packed tval */-#define DUK_DBL_IDX_VP1 DUK_DBL_IDX_UI1 /* packed tval */-#elif defined(DUK_USE_DOUBLE_ME)-#ifdef DUK_USE_64BIT_OPS-#define DUK_DBL_IDX_ULL0 0 /* not directly applicable, byte order differs from a double */-#endif-#define DUK_DBL_IDX_UI0 0-#define DUK_DBL_IDX_UI1 1-#define DUK_DBL_IDX_US0 1-#define DUK_DBL_IDX_US1 0-#define DUK_DBL_IDX_US2 3-#define DUK_DBL_IDX_US3 2-#define DUK_DBL_IDX_UC0 3-#define DUK_DBL_IDX_UC1 2-#define DUK_DBL_IDX_UC2 1-#define DUK_DBL_IDX_UC3 0-#define DUK_DBL_IDX_UC4 7-#define DUK_DBL_IDX_UC5 6-#define DUK_DBL_IDX_UC6 5-#define DUK_DBL_IDX_UC7 4-#define DUK_DBL_IDX_VP0 DUK_DBL_IDX_UI0 /* packed tval */-#define DUK_DBL_IDX_VP1 DUK_DBL_IDX_UI1 /* packed tval */-#else-#error internal error-#endif--/*- * Helper macros for reading/writing memory representation parts, used- * by duk_numconv.c and duk_tval.h.- */--#define DUK_DBLUNION_SET_DOUBLE(u,v) do { \- (u)->d = (v); \- } while (0)--#define DUK_DBLUNION_SET_HIGH32(u,v) do { \- (u)->ui[DUK_DBL_IDX_UI0] = (duk_uint32_t) (v); \- } while (0)--#ifdef DUK_USE_64BIT_OPS-#ifdef DUK_USE_DOUBLE_ME-#define DUK_DBLUNION_SET_HIGH32_ZERO_LOW32(u,v) do { \- (u)->ull[DUK_DBL_IDX_ULL0] = (duk_uint64_t) (v); \- } while (0)-#else-#define DUK_DBLUNION_SET_HIGH32_ZERO_LOW32(u,v) do { \- (u)->ull[DUK_DBL_IDX_ULL0] = ((duk_uint64_t) (v)) << 32; \- } while (0)-#endif-#else /* DUK_USE_64BIT_OPS */-#define DUK_DBLUNION_SET_HIGH32_ZERO_LOW32(u,v) do { \- (u)->ui[DUK_DBL_IDX_UI0] = (duk_uint32_t) (v); \- (u)->ui[DUK_DBL_IDX_UI1] = (duk_uint32_t) 0; \- } while (0)-#endif /* DUK_USE_64BIT_OPS */--#define DUK_DBLUNION_SET_LOW32(u,v) do { \- (u)->ui[DUK_DBL_IDX_UI1] = (duk_uint32_t) (v); \- } while (0)--#define DUK_DBLUNION_GET_DOUBLE(u) ((u)->d)-#define DUK_DBLUNION_GET_HIGH32(u) ((u)->ui[DUK_DBL_IDX_UI0])-#define DUK_DBLUNION_GET_LOW32(u) ((u)->ui[DUK_DBL_IDX_UI1])--#ifdef DUK_USE_64BIT_OPS-#ifdef DUK_USE_DOUBLE_ME-#define DUK_DBLUNION_SET_UINT64(u,v) do { \- (u)->ui[DUK_DBL_IDX_UI0] = (duk_uint32_t) ((v) >> 32); \- (u)->ui[DUK_DBL_IDX_UI1] = (duk_uint32_t) (v); \- } while (0)-#define DUK_DBLUNION_GET_UINT64(u) \- ((((duk_uint64_t) (u)->ui[DUK_DBL_IDX_UI0]) << 32) | \- ((duk_uint64_t) (u)->ui[DUK_DBL_IDX_UI1]))-#else-#define DUK_DBLUNION_SET_UINT64(u,v) do { \- (u)->ull[DUK_DBL_IDX_ULL0] = (duk_uint64_t) (v); \- } while (0)-#define DUK_DBLUNION_GET_UINT64(u) ((u)->ull[DUK_DBL_IDX_ULL0])-#endif-#define DUK_DBLUNION_SET_INT64(u,v) DUK_DBLUNION_SET_UINT64((u), (duk_uint64_t) (v))-#define DUK_DBLUNION_GET_INT64(u) ((duk_int64_t) DUK_DBLUNION_GET_UINT64((u)))-#endif /* DUK_USE_64BIT_OPS */--/*- * Double NaN manipulation macros related to NaN normalization needed when- * using the packed duk_tval representation. NaN normalization is necessary- * to keep double values compatible with the duk_tval format.- *- * When packed duk_tval is used, the NaN space is used to store pointers- * and other tagged values in addition to NaNs. Actual NaNs are normalized- * to a specific format. The macros below are used by the implementation- * to check and normalize NaN values when they might be created. The macros- * are essentially NOPs when the non-packed duk_tval representation is used.- *- * A FULL check is exact and checks all bits. A NOTFULL check is used by- * the packed duk_tval and works correctly for all NaNs except those that- * begin with 0x7ff0. Since the 'normalized NaN' values used with packed- * duk_tval begin with 0x7ff8, the partial check is reliable when packed- * duk_tval is used.- *- * The ME variant below is specifically for ARM byte order, which has the- * feature that while doubles have a mixed byte order (32107654), unsigned- * long long values has a little endian byte order (76543210). When writing- * a logical double value through a ULL pointer, the 32-bit words need to be- * swapped; hence the #ifdefs below for ULL writes with DUK_USE_DOUBLE_ME.- * This is not full ARM support but suffices for some environments.- */--#ifdef DUK_USE_64BIT_OPS-#ifdef DUK_USE_DOUBLE_ME-#define DUK__DBLUNION_SET_NAN_FULL(u) do { \- (u)->ull[DUK_DBL_IDX_ULL0] = 0x000000007ff80000ULL; \- } while (0)-#else-#define DUK__DBLUNION_SET_NAN_FULL(u) do { \- (u)->ull[DUK_DBL_IDX_ULL0] = 0x7ff8000000000000ULL; \- } while (0)-#endif-#else /* DUK_USE_64BIT_OPS */-#define DUK__DBLUNION_SET_NAN_FULL(u) do { \- (u)->ui[DUK_DBL_IDX_UI0] = (duk_uint32_t) 0x7ff80000UL; \- (u)->ui[DUK_DBL_IDX_UI1] = (duk_uint32_t) 0x00000000UL; \- } while (0)-#endif /* DUK_USE_64BIT_OPS */--#define DUK__DBLUNION_SET_NAN_NOTFULL(u) do { \- (u)->us[DUK_DBL_IDX_US0] = 0x7ff8UL; \- } while (0)--#ifdef DUK_USE_64BIT_OPS-#ifdef DUK_USE_DOUBLE_ME-#define DUK__DBLUNION_IS_NAN_FULL(u) \- /* E == 0x7ff, F != 0 => NaN */ \- ((((u)->us[DUK_DBL_IDX_US0] & 0x7ff0UL) == 0x7ff0UL) && \- ((((u)->ull[DUK_DBL_IDX_ULL0]) & 0xffffffff000fffffULL) != 0))-#else-#define DUK__DBLUNION_IS_NAN_FULL(u) \- /* E == 0x7ff, F != 0 => NaN */ \- ((((u)->us[DUK_DBL_IDX_US0] & 0x7ff0UL) == 0x7ff0UL) && \- ((((u)->ull[DUK_DBL_IDX_ULL0]) & 0x000fffffffffffffULL) != 0))-#endif-#else /* DUK_USE_64BIT_OPS */-#define DUK__DBLUNION_IS_NAN_FULL(u) \- /* E == 0x7ff, F != 0 => NaN */ \- ((((u)->ui[DUK_DBL_IDX_UI0] & 0x7ff00000UL) == 0x7ff00000UL) && \- (((u)->ui[DUK_DBL_IDX_UI0] & 0x000fffffUL) != 0 || \- (u)->ui[DUK_DBL_IDX_UI1] != 0))-#endif /* DUK_USE_64BIT_OPS */--#define DUK__DBLUNION_IS_NAN_NOTFULL(u) \- /* E == 0x7ff, topmost four bits of F != 0 => assume NaN */ \- ((((u)->us[DUK_DBL_IDX_US0] & 0x7ff0UL) == 0x7ff0UL) && \- (((u)->us[DUK_DBL_IDX_US0] & 0x000fUL) != 0x0000UL))--#ifdef DUK_USE_64BIT_OPS-#ifdef DUK_USE_DOUBLE_ME-#define DUK__DBLUNION_IS_NORMALIZED_NAN_FULL(u) \- ((u)->ull[DUK_DBL_IDX_ULL0] == 0x000000007ff80000ULL)-#else-#define DUK__DBLUNION_IS_NORMALIZED_NAN_FULL(u) \- ((u)->ull[DUK_DBL_IDX_ULL0] == 0x7ff8000000000000ULL)-#endif-#else /* DUK_USE_64BIT_OPS */-#define DUK__DBLUNION_IS_NORMALIZED_NAN_FULL(u) \- (((u)->ui[DUK_DBL_IDX_UI0] == 0x7ff80000UL) && \- ((u)->ui[DUK_DBL_IDX_UI1] == 0x00000000UL))-#endif /* DUK_USE_64BIT_OPS */--#define DUK__DBLUNION_IS_NORMALIZED_NAN_NOTFULL(u) \- /* E == 0x7ff, F == 8 => normalized NaN */ \- ((u)->us[DUK_DBL_IDX_US0] == 0x7ff8UL)--#define DUK__DBLUNION_NORMALIZE_NAN_CHECK_FULL(u) do { \- if (DUK__DBLUNION_IS_NAN_FULL((u))) { \- DUK__DBLUNION_SET_NAN_FULL((u)); \- } \- } while (0)--#define DUK__DBLUNION_NORMALIZE_NAN_CHECK_NOTFULL(u) do { \- if (DUK__DBLUNION_IS_NAN_NOTFULL((u))) { \- DUK__DBLUNION_SET_NAN_NOTFULL((u)); \- } \- } while (0)--/* Concrete macros for NaN handling used by the implementation internals.- * Chosen so that they match the duk_tval representation: with a packed- * duk_tval, ensure NaNs are properly normalized; with a non-packed duk_tval- * these are essentially NOPs.- */--#if defined(DUK_USE_PACKED_TVAL)-#if defined(DUK_USE_FULL_TVAL)-#define DUK_DBLUNION_NORMALIZE_NAN_CHECK(u) DUK__DBLUNION_NORMALIZE_NAN_CHECK_FULL((u))-#define DUK_DBLUNION_IS_NAN(u) DUK__DBLUNION_IS_NAN_FULL((u))-#define DUK_DBLUNION_IS_NORMALIZED_NAN(u) DUK__DBLUNION_IS_NORMALIZED_NAN_FULL((u))-#define DUK_DBLUNION_SET_NAN(d) DUK__DBLUNION_SET_NAN_FULL((d))-#else-#define DUK_DBLUNION_NORMALIZE_NAN_CHECK(u) DUK__DBLUNION_NORMALIZE_NAN_CHECK_NOTFULL((u))-#define DUK_DBLUNION_IS_NAN(u) DUK__DBLUNION_IS_NAN_NOTFULL((u))-#define DUK_DBLUNION_IS_NORMALIZED_NAN(u) DUK__DBLUNION_IS_NORMALIZED_NAN_NOTFULL((u))-#define DUK_DBLUNION_SET_NAN(d) DUK__DBLUNION_SET_NAN_NOTFULL((d))-#endif-#define DUK_DBLUNION_IS_NORMALIZED(u) \- (!DUK_DBLUNION_IS_NAN((u)) || /* either not a NaN */ \- DUK_DBLUNION_IS_NORMALIZED_NAN((u))) /* or is a normalized NaN */-#else /* DUK_USE_PACKED_TVAL */-#define DUK_DBLUNION_NORMALIZE_NAN_CHECK(u) /* nop: no need to normalize */-#define DUK_DBLUNION_IS_NAN(u) (DUK_ISNAN((u)->d))-#define DUK_DBLUNION_IS_NORMALIZED_NAN(u) (DUK_ISNAN((u)->d))-#define DUK_DBLUNION_IS_NORMALIZED(u) 1 /* all doubles are considered normalized */-#define DUK_DBLUNION_SET_NAN(u) do { \- /* in non-packed representation we don't care about which NaN is used */ \- (u)->d = DUK_DOUBLE_NAN; \- } while (0)-#endif /* DUK_USE_PACKED_TVAL */--/* Byteswap an (aligned) duk_double_union. */-#if defined(DUK_USE_DOUBLE_LE)-#define DUK_DBLUNION_BSWAP(u) do { \- duk_uint32_t duk__bswaptmp1, duk__bswaptmp2; \- duk__bswaptmp1 = (u)->ui[0]; \- duk__bswaptmp2 = (u)->ui[1]; \- duk__bswaptmp1 = DUK_BSWAP32(duk__bswaptmp1); \- duk__bswaptmp2 = DUK_BSWAP32(duk__bswaptmp2); \- (u)->ui[0] = duk__bswaptmp2; \- (u)->ui[1] = duk__bswaptmp1; \- } while (0)-#elif defined(DUK_USE_DOUBLE_ME)-#define DUK_DBLUNION_BSWAP(u) do { \- duk_uint32_t duk__bswaptmp1, duk__bswaptmp2; \- duk__bswaptmp1 = (u)->ui[0]; \- duk__bswaptmp2 = (u)->ui[1]; \- duk__bswaptmp1 = DUK_BSWAP32(duk__bswaptmp1); \- duk__bswaptmp2 = DUK_BSWAP32(duk__bswaptmp2); \- (u)->ui[0] = duk__bswaptmp1; \- (u)->ui[1] = duk__bswaptmp2; \- } while (0)-#elif defined(DUK_USE_DOUBLE_BE)-#define DUK_DBLUNION_BSWAP(u) do { } while (0)-#else-#error internal error, double endianness insane-#endif+ * Duktape public API for Duktape 1.3.0.+ * See the API reference for documentation on call semantics.+ * The exposed API is inside the DUK_API_PUBLIC_H_INCLUDED+ * include guard. Other parts of the header are Duktape+ * internal and related to platform/compiler/feature detection.+ *+ * Git commit 675165f35ea3a5bac34ff4d0a58b007cc2f442dc (v1.3.0).+ *+ * See Duktape AUTHORS.rst and LICENSE.txt for copyright and+ * licensing information.+ */++/* LICENSE.txt */+/*+ * ===============+ * Duktape license+ * ===============+ * + * (http://opensource.org/licenses/MIT)+ * + * Copyright (c) 2013-2015 by Duktape authors (see AUTHORS.rst)+ * + * Permission is hereby granted, free of charge, to any person obtaining a copy+ * of this software and associated documentation files (the "Software"), to deal+ * in the Software without restriction, including without limitation the rights+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell+ * copies of the Software, and to permit persons to whom the Software is+ * furnished to do so, subject to the following conditions:+ * + * The above copyright notice and this permission notice shall be included in+ * all copies or substantial portions of the Software.+ * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN+ * THE SOFTWARE.+ */++/* AUTHORS.rst */+/*+ * ===============+ * Duktape authors+ * ===============+ * + * Copyright+ * =========+ * + * Duktape copyrights are held by its authors. Each author has a copyright+ * to their contribution, and agrees to irrevocably license the contribution+ * under the Duktape ``LICENSE.txt``.+ * + * Authors+ * =======+ * + * Please include an e-mail address, a link to your GitHub profile, or something+ * similar to allow your contribution to be identified accurately.+ * + * The following people have contributed code, website contents, or Wiki contents,+ * and agreed to irrevocably license their contributions under the Duktape+ * ``LICENSE.txt`` (in order of appearance):+ * + * * Sami Vaarala <sami.vaarala@iki.fi>+ * * Niki Dobrev+ * * Andreas \u00d6man <andreas@lonelycoder.com>+ * * L\u00e1szl\u00f3 Lang\u00f3 <llango.u-szeged@partner.samsung.com>+ * * Legimet <legimet.calc@gmail.com>+ * * Karl Skomski <karl@skomski.com>+ * * Bruce Pascoe <fatcerberus1@gmail.com>+ * + * Other contributions+ * ===================+ * + * The following people have contributed something other than code (e.g. reported+ * bugs, provided ideas, etc; roughly in order of appearance):+ * + * * Greg Burns+ * * Anthony Rabine+ * * Carlos Costa+ * * Aur\u00e9lien Bouilland+ * * Preet Desai (Pris Matic)+ * * judofyr (http://www.reddit.com/user/judofyr)+ * * Jason Woofenden+ * * Micha\u0142 Przyby\u015b+ * * Anthony Howe+ * * Conrad Pankoff+ * * Jim Schimpf+ * * Rajaran Gaunker (https://github.com/zimbabao)+ * * Andreas \u00d6man+ * * Doug Sanden+ * * Josh Engebretson (https://github.com/JoshEngebretson)+ * * Remo Eichenberger (https://github.com/remoe)+ * * Mamod Mehyar (https://github.com/mamod)+ * * David Demelier (https://github.com/markand)+ * * Tim Caswell (https://github.com/creationix)+ * * Mitchell Blank Jr (https://github.com/mitchblank)+ * * https://github.com/yushli+ * * Seo Sanghyeon (https://github.com/sanxiyn)+ * * Han ChoongWoo (https://github.com/tunz)+ * * Joshua Peek (https://github.com/josh)+ * * Bruce E. Pascoe (https://github.com/fatcerberus)+ * * https://github.com/Kelledin+ * * https://github.com/sstruchtrup+ * * Michael Drake (https://github.com/tlsa)+ * * https://github.com/chris-y+ * + * If you are accidentally missing from this list, send me an e-mail+ * (``sami.vaarala@iki.fi``) and I'll fix the omission.+ */++#ifndef DUKTAPE_H_INCLUDED+#define DUKTAPE_H_INCLUDED++#define DUK_SINGLE_FILE++/* External duk_config.h provides platform/compiler/OS dependent+ * typedefs and macros, and DUK_USE_xxx config options so that+ * the rest of Duktape doesn't need to do any feature detection.+ */+#include "duk_config.h"++/*+ * BEGIN PUBLIC API+ */++#ifndef DUK_API_PUBLIC_H_INCLUDED+#define DUK_API_PUBLIC_H_INCLUDED++/*+ * Avoid C++ name mangling+ */++#ifdef __cplusplus+extern "C" {+#endif++/*+ * Some defines forwarded from feature detection+ */++#undef DUK_API_VARIADIC_MACROS+#ifdef DUK_USE_VARIADIC_MACROS+#define DUK_API_VARIADIC_MACROS+#endif++#define DUK_API_NORETURN(decl) DUK_NORETURN(decl)++/*+ * Public API specific typedefs+ *+ * Many types are wrapped by Duktape for portability to rare platforms+ * where e.g. 'int' is a 16-bit type. See practical typing discussion+ * in Duktape web documentation.+ */++struct duk_memory_functions;+struct duk_function_list_entry;+struct duk_number_list_entry;++/* duk_context is now defined in duk_config.h because it may also be+ * referenced there by prototypes.+ */+typedef struct duk_memory_functions duk_memory_functions;+typedef struct duk_function_list_entry duk_function_list_entry;+typedef struct duk_number_list_entry duk_number_list_entry;++typedef duk_ret_t (*duk_c_function)(duk_context *ctx);+typedef void *(*duk_alloc_function) (void *udata, duk_size_t size);+typedef void *(*duk_realloc_function) (void *udata, void *ptr, duk_size_t size);+typedef void (*duk_free_function) (void *udata, void *ptr);+typedef void (*duk_fatal_function) (duk_context *ctx, duk_errcode_t code, const char *msg);+typedef void (*duk_decode_char_function) (void *udata, duk_codepoint_t codepoint);+typedef duk_codepoint_t (*duk_map_char_function) (void *udata, duk_codepoint_t codepoint);+typedef duk_ret_t (*duk_safe_call_function) (duk_context *ctx);+typedef duk_size_t (*duk_debug_read_function) (void *udata, char *buffer, duk_size_t length);+typedef duk_size_t (*duk_debug_write_function) (void *udata, const char *buffer, duk_size_t length);+typedef duk_size_t (*duk_debug_peek_function) (void *udata);+typedef void (*duk_debug_read_flush_function) (void *udata);+typedef void (*duk_debug_write_flush_function) (void *udata);+typedef void (*duk_debug_detached_function) (void *udata);++struct duk_memory_functions {+ duk_alloc_function alloc_func;+ duk_realloc_function realloc_func;+ duk_free_function free_func;+ void *udata;+};++struct duk_function_list_entry {+ const char *key;+ duk_c_function value;+ duk_idx_t nargs;+};++struct duk_number_list_entry {+ const char *key;+ duk_double_t value;+};++/*+ * Constants+ */++/* Duktape version, (major * 10000) + (minor * 100) + patch. Allows C code+ * to #ifdef against Duktape API version. The same value is also available+ * to Ecmascript code in Duktape.version. Unofficial development snapshots+ * have 99 for patch level (e.g. 0.10.99 would be a development version+ * after 0.10.0 but before the next official release).+ */+#define DUK_VERSION 10300L++/* Git describe for Duktape build. Useful for non-official snapshot builds+ * so that application code can easily log which Duktape snapshot was used.+ * Not available in the Ecmascript environment.+ */+#define DUK_GIT_DESCRIBE "v1.3.0"++/* Duktape debug protocol version used by this build. */+#define DUK_DEBUG_PROTOCOL_VERSION 1++/* Used to represent invalid index; if caller uses this without checking,+ * this index will map to a non-existent stack entry. Also used in some+ * API calls as a marker to denote "no value".+ */+#define DUK_INVALID_INDEX DUK_IDX_MIN++/* Indicates that a native function does not have a fixed number of args,+ * and the argument stack should not be capped/extended at all.+ */+#define DUK_VARARGS ((duk_int_t) (-1))++/* Number of value stack entries (in addition to actual call arguments)+ * guaranteed to be allocated on entry to a Duktape/C function.+ */+#define DUK_API_ENTRY_STACK 64++/* Value types, used by e.g. duk_get_type() */+#define DUK_TYPE_NONE 0 /* no value, e.g. invalid index */+#define DUK_TYPE_UNDEFINED 1 /* Ecmascript undefined */+#define DUK_TYPE_NULL 2 /* Ecmascript null */+#define DUK_TYPE_BOOLEAN 3 /* Ecmascript boolean: 0 or 1 */+#define DUK_TYPE_NUMBER 4 /* Ecmascript number: double */+#define DUK_TYPE_STRING 5 /* Ecmascript string: CESU-8 / extended UTF-8 encoded */+#define DUK_TYPE_OBJECT 6 /* Ecmascript object: includes objects, arrays, functions, threads */+#define DUK_TYPE_BUFFER 7 /* fixed or dynamic, garbage collected byte buffer */+#define DUK_TYPE_POINTER 8 /* raw void pointer */+#define DUK_TYPE_LIGHTFUNC 9 /* lightweight function pointer */++/* Value mask types, used by e.g. duk_get_type_mask() */+#define DUK_TYPE_MASK_NONE (1 << DUK_TYPE_NONE)+#define DUK_TYPE_MASK_UNDEFINED (1 << DUK_TYPE_UNDEFINED)+#define DUK_TYPE_MASK_NULL (1 << DUK_TYPE_NULL)+#define DUK_TYPE_MASK_BOOLEAN (1 << DUK_TYPE_BOOLEAN)+#define DUK_TYPE_MASK_NUMBER (1 << DUK_TYPE_NUMBER)+#define DUK_TYPE_MASK_STRING (1 << DUK_TYPE_STRING)+#define DUK_TYPE_MASK_OBJECT (1 << DUK_TYPE_OBJECT)+#define DUK_TYPE_MASK_BUFFER (1 << DUK_TYPE_BUFFER)+#define DUK_TYPE_MASK_POINTER (1 << DUK_TYPE_POINTER)+#define DUK_TYPE_MASK_LIGHTFUNC (1 << DUK_TYPE_LIGHTFUNC)+#define DUK_TYPE_MASK_THROW (1 << 10) /* internal flag value: throw if mask doesn't match */++/* Coercion hints */+#define DUK_HINT_NONE 0 /* prefer number, unless input is a Date, in which+ * case prefer string (E5 Section 8.12.8)+ */+#define DUK_HINT_STRING 1 /* prefer string */+#define DUK_HINT_NUMBER 2 /* prefer number */++/* Enumeration flags for duk_enum() */+#define DUK_ENUM_INCLUDE_NONENUMERABLE (1 << 0) /* enumerate non-numerable properties in addition to enumerable */+#define DUK_ENUM_INCLUDE_INTERNAL (1 << 1) /* enumerate internal properties (regardless of enumerability) */+#define DUK_ENUM_OWN_PROPERTIES_ONLY (1 << 2) /* don't walk prototype chain, only check own properties */+#define DUK_ENUM_ARRAY_INDICES_ONLY (1 << 3) /* only enumerate array indices */+#define DUK_ENUM_SORT_ARRAY_INDICES (1 << 4) /* sort array indices, use with DUK_ENUM_ARRAY_INDICES_ONLY */+#define DUK_ENUM_NO_PROXY_BEHAVIOR (1 << 5) /* enumerate a proxy object itself without invoking proxy behavior */++/* Compilation flags for duk_compile() and duk_eval() */+#define DUK_COMPILE_EVAL (1 << 0) /* compile eval code (instead of global code) */+#define DUK_COMPILE_FUNCTION (1 << 1) /* compile function code (instead of global code) */+#define DUK_COMPILE_STRICT (1 << 2) /* use strict (outer) context for global, eval, or function code */+#define DUK_COMPILE_SAFE (1 << 3) /* (internal) catch compilation errors */+#define DUK_COMPILE_NORESULT (1 << 4) /* (internal) omit eval result */+#define DUK_COMPILE_NOSOURCE (1 << 5) /* (internal) no source string on stack */+#define DUK_COMPILE_STRLEN (1 << 6) /* (internal) take strlen() of src_buffer (avoids double evaluation in macro) */++/* Flags for duk_def_prop() and its variants */+#define DUK_DEFPROP_WRITABLE (1 << 0) /* set writable (effective if DUK_DEFPROP_HAVE_WRITABLE set) */+#define DUK_DEFPROP_ENUMERABLE (1 << 1) /* set enumerable (effective if DUK_DEFPROP_HAVE_ENUMERABLE set) */+#define DUK_DEFPROP_CONFIGURABLE (1 << 2) /* set configurable (effective if DUK_DEFPROP_HAVE_CONFIGURABLE set) */+#define DUK_DEFPROP_HAVE_WRITABLE (1 << 3) /* set/clear writable */+#define DUK_DEFPROP_HAVE_ENUMERABLE (1 << 4) /* set/clear enumerable */+#define DUK_DEFPROP_HAVE_CONFIGURABLE (1 << 5) /* set/clear configurable */+#define DUK_DEFPROP_HAVE_VALUE (1 << 6) /* set value (given on value stack) */+#define DUK_DEFPROP_HAVE_GETTER (1 << 7) /* set getter (given on value stack) */+#define DUK_DEFPROP_HAVE_SETTER (1 << 8) /* set setter (given on value stack) */+#define DUK_DEFPROP_FORCE (1 << 9) /* force change if possible, may still fail for e.g. virtual properties */++/* Flags for duk_push_thread_raw() */+#define DUK_THREAD_NEW_GLOBAL_ENV (1 << 0) /* create a new global environment */++/* Flags for duk_push_string_file_raw() */+#define DUK_STRING_PUSH_SAFE (1 << 0) /* no error if file does not exist */++/* Duktape specific error codes */+#define DUK_ERR_NONE 0 /* no error (e.g. from duk_get_error_code()) */+#define DUK_ERR_UNIMPLEMENTED_ERROR 50 /* UnimplementedError */+#define DUK_ERR_UNSUPPORTED_ERROR 51 /* UnsupportedError */+#define DUK_ERR_INTERNAL_ERROR 52 /* InternalError */+#define DUK_ERR_ALLOC_ERROR 53 /* AllocError */+#define DUK_ERR_ASSERTION_ERROR 54 /* AssertionError */+#define DUK_ERR_API_ERROR 55 /* APIError */+#define DUK_ERR_UNCAUGHT_ERROR 56 /* UncaughtError */++/* Ecmascript E5 specification error codes */+#define DUK_ERR_ERROR 100 /* Error */+#define DUK_ERR_EVAL_ERROR 101 /* EvalError */+#define DUK_ERR_RANGE_ERROR 102 /* RangeError */+#define DUK_ERR_REFERENCE_ERROR 103 /* ReferenceError */+#define DUK_ERR_SYNTAX_ERROR 104 /* SyntaxError */+#define DUK_ERR_TYPE_ERROR 105 /* TypeError */+#define DUK_ERR_URI_ERROR 106 /* URIError */++/* Return codes for C functions (shortcut for throwing an error) */+#define DUK_RET_UNIMPLEMENTED_ERROR (-DUK_ERR_UNIMPLEMENTED_ERROR)+#define DUK_RET_UNSUPPORTED_ERROR (-DUK_ERR_UNSUPPORTED_ERROR)+#define DUK_RET_INTERNAL_ERROR (-DUK_ERR_INTERNAL_ERROR)+#define DUK_RET_ALLOC_ERROR (-DUK_ERR_ALLOC_ERROR)+#define DUK_RET_ASSERTION_ERROR (-DUK_ERR_ASSERTION_ERROR)+#define DUK_RET_API_ERROR (-DUK_ERR_API_ERROR)+#define DUK_RET_UNCAUGHT_ERROR (-DUK_ERR_UNCAUGHT_ERROR)+#define DUK_RET_ERROR (-DUK_ERR_ERROR)+#define DUK_RET_EVAL_ERROR (-DUK_ERR_EVAL_ERROR)+#define DUK_RET_RANGE_ERROR (-DUK_ERR_RANGE_ERROR)+#define DUK_RET_REFERENCE_ERROR (-DUK_ERR_REFERENCE_ERROR)+#define DUK_RET_SYNTAX_ERROR (-DUK_ERR_SYNTAX_ERROR)+#define DUK_RET_TYPE_ERROR (-DUK_ERR_TYPE_ERROR)+#define DUK_RET_URI_ERROR (-DUK_ERR_URI_ERROR)++/* Return codes for protected calls (duk_safe_call(), duk_pcall()). */+#define DUK_EXEC_SUCCESS 0+#define DUK_EXEC_ERROR 1++/* Log levels */+#define DUK_LOG_TRACE 0+#define DUK_LOG_DEBUG 1+#define DUK_LOG_INFO 2+#define DUK_LOG_WARN 3+#define DUK_LOG_ERROR 4+#define DUK_LOG_FATAL 5++/*+ * If no variadic macros, __FILE__ and __LINE__ are passed through globals+ * which is ugly and not thread safe.+ */++#ifndef DUK_API_VARIADIC_MACROS+DUK_EXTERNAL_DECL const char *duk_api_global_filename;+DUK_EXTERNAL_DECL duk_int_t duk_api_global_line;+#endif++/*+ * Context management+ */++DUK_EXTERNAL_DECL+duk_context *duk_create_heap(duk_alloc_function alloc_func,+ duk_realloc_function realloc_func,+ duk_free_function free_func,+ void *heap_udata,+ duk_fatal_function fatal_handler);+DUK_EXTERNAL_DECL void duk_destroy_heap(duk_context *ctx);++#define duk_create_heap_default() \+ duk_create_heap(NULL, NULL, NULL, NULL, NULL)++/*+ * Memory management+ *+ * Raw functions have no side effects (cannot trigger GC).+ */++DUK_EXTERNAL_DECL void *duk_alloc_raw(duk_context *ctx, duk_size_t size);+DUK_EXTERNAL_DECL void duk_free_raw(duk_context *ctx, void *ptr);+DUK_EXTERNAL_DECL void *duk_realloc_raw(duk_context *ctx, void *ptr, duk_size_t size);+DUK_EXTERNAL_DECL void *duk_alloc(duk_context *ctx, duk_size_t size);+DUK_EXTERNAL_DECL void duk_free(duk_context *ctx, void *ptr);+DUK_EXTERNAL_DECL void *duk_realloc(duk_context *ctx, void *ptr, duk_size_t size);+DUK_EXTERNAL_DECL void duk_get_memory_functions(duk_context *ctx, duk_memory_functions *out_funcs);+DUK_EXTERNAL_DECL void duk_gc(duk_context *ctx, duk_uint_t flags);++/*+ * Error handling+ */++DUK_API_NORETURN(DUK_EXTERNAL_DECL void duk_throw(duk_context *ctx));+DUK_API_NORETURN(DUK_EXTERNAL_DECL void duk_fatal(duk_context *ctx, duk_errcode_t err_code, const char *err_msg));++DUK_API_NORETURN(DUK_EXTERNAL_DECL void duk_error_raw(duk_context *ctx, duk_errcode_t err_code, const char *filename, duk_int_t line, const char *fmt, ...));++#ifdef DUK_API_VARIADIC_MACROS+#define duk_error(ctx,err_code,...) \+ duk_error_raw((ctx), (duk_errcode_t) (err_code), (const char *) (__FILE__), (duk_int_t) (__LINE__), __VA_ARGS__)+#else+DUK_API_NORETURN(DUK_EXTERNAL_DECL void duk_error_stash(duk_context *ctx, duk_errcode_t err_code, const char *fmt, ...));+/* One problem with this macro is that expressions like the following fail+ * to compile: "(void) duk_error(...)". But because duk_error() is noreturn,+ * they make little sense anyway.+ */+#define duk_error \+ (duk_api_global_filename = (const char *) (__FILE__), \+ duk_api_global_line = (duk_int_t) (__LINE__), \+ duk_error_stash) /* last value is func pointer, arguments follow in parens */+#endif++DUK_API_NORETURN(DUK_EXTERNAL_DECL void duk_error_va_raw(duk_context *ctx, duk_errcode_t err_code, const char *filename, duk_int_t line, const char *fmt, va_list ap));+#define duk_error_va(ctx,err_code,fmt,ap) \+ duk_error_va_raw((ctx), (duk_errcode_t) (err_code), (const char *) (__FILE__), (duk_int_t) (__LINE__), (fmt), (ap))++/*+ * Other state related functions+ */++DUK_EXTERNAL_DECL duk_bool_t duk_is_strict_call(duk_context *ctx);+DUK_EXTERNAL_DECL duk_bool_t duk_is_constructor_call(duk_context *ctx);++/*+ * Stack management+ */++DUK_EXTERNAL_DECL duk_idx_t duk_normalize_index(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_idx_t duk_require_normalize_index(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_bool_t duk_is_valid_index(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL void duk_require_valid_index(duk_context *ctx, duk_idx_t index);++DUK_EXTERNAL_DECL duk_idx_t duk_get_top(duk_context *ctx);+DUK_EXTERNAL_DECL void duk_set_top(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_idx_t duk_get_top_index(duk_context *ctx);+DUK_EXTERNAL_DECL duk_idx_t duk_require_top_index(duk_context *ctx);++/* Although extra/top could be an unsigned type here, using a signed type+ * makes the API more robust to calling code calculation errors or corner+ * cases (where caller might occasionally come up with negative values).+ * Negative values are treated as zero, which is better than casting them+ * to a large unsigned number. (This principle is used elsewhere in the+ * API too.)+ */+DUK_EXTERNAL_DECL duk_bool_t duk_check_stack(duk_context *ctx, duk_idx_t extra);+DUK_EXTERNAL_DECL void duk_require_stack(duk_context *ctx, duk_idx_t extra);+DUK_EXTERNAL_DECL duk_bool_t duk_check_stack_top(duk_context *ctx, duk_idx_t top);+DUK_EXTERNAL_DECL void duk_require_stack_top(duk_context *ctx, duk_idx_t top);++/*+ * Stack manipulation (other than push/pop)+ */++DUK_EXTERNAL_DECL void duk_swap(duk_context *ctx, duk_idx_t index1, duk_idx_t index2);+DUK_EXTERNAL_DECL void duk_swap_top(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL void duk_dup(duk_context *ctx, duk_idx_t from_index);+DUK_EXTERNAL_DECL void duk_dup_top(duk_context *ctx);+DUK_EXTERNAL_DECL void duk_insert(duk_context *ctx, duk_idx_t to_index);+DUK_EXTERNAL_DECL void duk_replace(duk_context *ctx, duk_idx_t to_index);+DUK_EXTERNAL_DECL void duk_copy(duk_context *ctx, duk_idx_t from_index, duk_idx_t to_index);+DUK_EXTERNAL_DECL void duk_remove(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL void duk_xcopymove_raw(duk_context *to_ctx, duk_context *from_ctx, duk_idx_t count, duk_bool_t is_copy);++#define duk_xmove_top(to_ctx,from_ctx,count) \+ duk_xcopymove_raw((to_ctx), (from_ctx), (count), 0 /*is_copy*/)+#define duk_xcopy_top(to_ctx,from_ctx,count) \+ duk_xcopymove_raw((to_ctx), (from_ctx), (count), 1 /*is_copy*/)++/*+ * Push operations+ *+ * Push functions return the absolute (relative to bottom of frame)+ * position of the pushed value for convenience.+ *+ * Note: duk_dup() is technically a push.+ */++DUK_EXTERNAL_DECL void duk_push_undefined(duk_context *ctx);+DUK_EXTERNAL_DECL void duk_push_null(duk_context *ctx);+DUK_EXTERNAL_DECL void duk_push_boolean(duk_context *ctx, duk_bool_t val);+DUK_EXTERNAL_DECL void duk_push_true(duk_context *ctx);+DUK_EXTERNAL_DECL void duk_push_false(duk_context *ctx);+DUK_EXTERNAL_DECL void duk_push_number(duk_context *ctx, duk_double_t val);+DUK_EXTERNAL_DECL void duk_push_nan(duk_context *ctx);+DUK_EXTERNAL_DECL void duk_push_int(duk_context *ctx, duk_int_t val);+DUK_EXTERNAL_DECL void duk_push_uint(duk_context *ctx, duk_uint_t val);+DUK_EXTERNAL_DECL const char *duk_push_string(duk_context *ctx, const char *str);+DUK_EXTERNAL_DECL const char *duk_push_lstring(duk_context *ctx, const char *str, duk_size_t len);+DUK_EXTERNAL_DECL void duk_push_pointer(duk_context *ctx, void *p);+DUK_EXTERNAL_DECL const char *duk_push_sprintf(duk_context *ctx, const char *fmt, ...);+DUK_EXTERNAL_DECL const char *duk_push_vsprintf(duk_context *ctx, const char *fmt, va_list ap);++DUK_EXTERNAL_DECL const char *duk_push_string_file_raw(duk_context *ctx, const char *path, duk_uint_t flags);+#define duk_push_string_file(ctx,path) \+ duk_push_string_file_raw((ctx), (path), 0)++DUK_EXTERNAL_DECL void duk_push_this(duk_context *ctx);+DUK_EXTERNAL_DECL void duk_push_current_function(duk_context *ctx);+DUK_EXTERNAL_DECL void duk_push_current_thread(duk_context *ctx);+DUK_EXTERNAL_DECL void duk_push_global_object(duk_context *ctx);+DUK_EXTERNAL_DECL void duk_push_heap_stash(duk_context *ctx);+DUK_EXTERNAL_DECL void duk_push_global_stash(duk_context *ctx);+DUK_EXTERNAL_DECL void duk_push_thread_stash(duk_context *ctx, duk_context *target_ctx);++DUK_EXTERNAL_DECL duk_idx_t duk_push_object(duk_context *ctx);+DUK_EXTERNAL_DECL duk_idx_t duk_push_array(duk_context *ctx);+DUK_EXTERNAL_DECL duk_idx_t duk_push_c_function(duk_context *ctx, duk_c_function func, duk_idx_t nargs);+DUK_EXTERNAL_DECL duk_idx_t duk_push_c_lightfunc(duk_context *ctx, duk_c_function func, duk_idx_t nargs, duk_idx_t length, duk_int_t magic);+DUK_EXTERNAL_DECL duk_idx_t duk_push_thread_raw(duk_context *ctx, duk_uint_t flags);++#define duk_push_thread(ctx) \+ duk_push_thread_raw((ctx), 0 /*flags*/)++#define duk_push_thread_new_globalenv(ctx) \+ duk_push_thread_raw((ctx), DUK_THREAD_NEW_GLOBAL_ENV /*flags*/)++DUK_EXTERNAL_DECL duk_idx_t duk_push_error_object_raw(duk_context *ctx, duk_errcode_t err_code, const char *filename, duk_int_t line, const char *fmt, ...);++#ifdef DUK_API_VARIADIC_MACROS+#define duk_push_error_object(ctx,err_code,...) \+ duk_push_error_object_raw((ctx), (err_code), (const char *) (__FILE__), (duk_int_t) (__LINE__), __VA_ARGS__)+#else+DUK_EXTERNAL_DECL duk_idx_t duk_push_error_object_stash(duk_context *ctx, duk_errcode_t err_code, const char *fmt, ...);+/* Note: parentheses are required so that the comma expression works in assignments. */+#define duk_push_error_object \+ (duk_api_global_filename = (const char *) (__FILE__), \+ duk_api_global_line = (duk_int_t) (__LINE__), \+ duk_push_error_object_stash) /* last value is func pointer, arguments follow in parens */+#endif++DUK_EXTERNAL_DECL duk_idx_t duk_push_error_object_va_raw(duk_context *ctx, duk_errcode_t err_code, const char *filename, duk_int_t line, const char *fmt, va_list ap);+#define duk_push_error_object_va(ctx,err_code,fmt,ap) \+ duk_push_error_object_va_raw((ctx), (err_code), (const char *) (__FILE__), (duk_int_t) (__LINE__), (fmt), (ap))++#define DUK_BUF_FLAG_DYNAMIC (1 << 0) /* internal flag: dynamic buffer */+#define DUK_BUF_FLAG_EXTERNAL (1 << 1) /* internal flag: external buffer */+#define DUK_BUF_FLAG_NOZERO (1 << 2) /* internal flag: don't zero allocated buffer */++DUK_EXTERNAL_DECL void *duk_push_buffer_raw(duk_context *ctx, duk_size_t size, duk_small_uint_t flags);++#define duk_push_buffer(ctx,size,dynamic) \+ duk_push_buffer_raw((ctx), (size), (dynamic) ? DUK_BUF_FLAG_DYNAMIC : 0);+#define duk_push_fixed_buffer(ctx,size) \+ duk_push_buffer_raw((ctx), (size), 0 /*flags*/)+#define duk_push_dynamic_buffer(ctx,size) \+ duk_push_buffer_raw((ctx), (size), DUK_BUF_FLAG_DYNAMIC /*flags*/)+#define duk_push_external_buffer(ctx) \+ ((void) duk_push_buffer_raw((ctx), 0, DUK_BUF_FLAG_DYNAMIC | DUK_BUF_FLAG_EXTERNAL))++#define DUK_BUFOBJ_CREATE_ARRBUF (1 << 4) /* internal flag: create backing ArrayBuffer; keep in one byte */+#define DUK_BUFOBJ_DUKTAPE_BUFFER 0+#define DUK_BUFOBJ_NODEJS_BUFFER 1+#define DUK_BUFOBJ_ARRAYBUFFER 2+#define DUK_BUFOBJ_DATAVIEW (3 | DUK_BUFOBJ_CREATE_ARRBUF)+#define DUK_BUFOBJ_INT8ARRAY (4 | DUK_BUFOBJ_CREATE_ARRBUF)+#define DUK_BUFOBJ_UINT8ARRAY (5 | DUK_BUFOBJ_CREATE_ARRBUF)+#define DUK_BUFOBJ_UINT8CLAMPEDARRAY (6 | DUK_BUFOBJ_CREATE_ARRBUF)+#define DUK_BUFOBJ_INT16ARRAY (7 | DUK_BUFOBJ_CREATE_ARRBUF)+#define DUK_BUFOBJ_UINT16ARRAY (8 | DUK_BUFOBJ_CREATE_ARRBUF)+#define DUK_BUFOBJ_INT32ARRAY (9 | DUK_BUFOBJ_CREATE_ARRBUF)+#define DUK_BUFOBJ_UINT32ARRAY (10 | DUK_BUFOBJ_CREATE_ARRBUF)+#define DUK_BUFOBJ_FLOAT32ARRAY (11 | DUK_BUFOBJ_CREATE_ARRBUF)+#define DUK_BUFOBJ_FLOAT64ARRAY (12 | DUK_BUFOBJ_CREATE_ARRBUF)++DUK_EXTERNAL_DECL void duk_push_buffer_object(duk_context *ctx, duk_idx_t idx_buffer, duk_size_t byte_offset, duk_size_t byte_length, duk_uint_t flags);++DUK_EXTERNAL_DECL duk_idx_t duk_push_heapptr(duk_context *ctx, void *ptr);++/*+ * Pop operations+ */++DUK_EXTERNAL_DECL void duk_pop(duk_context *ctx);+DUK_EXTERNAL_DECL void duk_pop_n(duk_context *ctx, duk_idx_t count);+DUK_EXTERNAL_DECL void duk_pop_2(duk_context *ctx);+DUK_EXTERNAL_DECL void duk_pop_3(duk_context *ctx);++/*+ * Type checks+ *+ * duk_is_none(), which would indicate whether index it outside of stack,+ * is not needed; duk_is_valid_index() gives the same information.+ */++DUK_EXTERNAL_DECL duk_int_t duk_get_type(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_bool_t duk_check_type(duk_context *ctx, duk_idx_t index, duk_int_t type);+DUK_EXTERNAL_DECL duk_uint_t duk_get_type_mask(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_bool_t duk_check_type_mask(duk_context *ctx, duk_idx_t index, duk_uint_t mask);++DUK_EXTERNAL_DECL duk_bool_t duk_is_undefined(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_bool_t duk_is_null(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_bool_t duk_is_null_or_undefined(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_bool_t duk_is_boolean(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_bool_t duk_is_number(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_bool_t duk_is_nan(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_bool_t duk_is_string(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_bool_t duk_is_object(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_bool_t duk_is_buffer(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_bool_t duk_is_pointer(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_bool_t duk_is_lightfunc(duk_context *ctx, duk_idx_t index);++DUK_EXTERNAL_DECL duk_bool_t duk_is_array(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_bool_t duk_is_function(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_bool_t duk_is_c_function(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_bool_t duk_is_ecmascript_function(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_bool_t duk_is_bound_function(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_bool_t duk_is_thread(duk_context *ctx, duk_idx_t index);++DUK_EXTERNAL_DECL duk_bool_t duk_is_callable(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_bool_t duk_is_dynamic_buffer(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_bool_t duk_is_fixed_buffer(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_bool_t duk_is_external_buffer(duk_context *ctx, duk_idx_t index);++#define duk_is_primitive(ctx,index) \+ duk_check_type_mask((ctx), (index), DUK_TYPE_MASK_UNDEFINED | \+ DUK_TYPE_MASK_NULL | \+ DUK_TYPE_MASK_BOOLEAN | \+ DUK_TYPE_MASK_NUMBER | \+ DUK_TYPE_MASK_STRING | \+ DUK_TYPE_MASK_BUFFER | \+ DUK_TYPE_MASK_POINTER | \+ DUK_TYPE_MASK_LIGHTFUNC)++#define duk_is_object_coercible(ctx,index) \+ duk_check_type_mask((ctx), (index), DUK_TYPE_MASK_BOOLEAN | \+ DUK_TYPE_MASK_NUMBER | \+ DUK_TYPE_MASK_STRING | \+ DUK_TYPE_MASK_OBJECT | \+ DUK_TYPE_MASK_BUFFER | \+ DUK_TYPE_MASK_POINTER | \+ DUK_TYPE_MASK_LIGHTFUNC)++DUK_EXTERNAL_DECL duk_errcode_t duk_get_error_code(duk_context *ctx, duk_idx_t index);+#define duk_is_error(ctx,index) \+ (duk_get_error_code((ctx), (index)) != 0)++/*+ * Get operations: no coercion, returns default value for invalid+ * indices and invalid value types.+ *+ * duk_get_undefined() and duk_get_null() would be pointless and+ * are not included.+ */++DUK_EXTERNAL_DECL duk_bool_t duk_get_boolean(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_double_t duk_get_number(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_int_t duk_get_int(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_uint_t duk_get_uint(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL const char *duk_get_string(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL const char *duk_get_lstring(duk_context *ctx, duk_idx_t index, duk_size_t *out_len);+DUK_EXTERNAL_DECL void *duk_get_buffer(duk_context *ctx, duk_idx_t index, duk_size_t *out_size);+DUK_EXTERNAL_DECL void *duk_get_buffer_data(duk_context *ctx, duk_idx_t index, duk_size_t *out_size);+DUK_EXTERNAL_DECL void *duk_get_pointer(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_c_function duk_get_c_function(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_context *duk_get_context(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL void *duk_get_heapptr(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_size_t duk_get_length(duk_context *ctx, duk_idx_t index);++/*+ * Require operations: no coercion, throw error if index or type+ * is incorrect. No defaulting.+ */++#define duk_require_type_mask(ctx,index,mask) \+ ((void) duk_check_type_mask((ctx), (index), (mask) | DUK_TYPE_MASK_THROW))++DUK_EXTERNAL_DECL void duk_require_undefined(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL void duk_require_null(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_bool_t duk_require_boolean(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_double_t duk_require_number(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_int_t duk_require_int(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_uint_t duk_require_uint(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL const char *duk_require_string(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL const char *duk_require_lstring(duk_context *ctx, duk_idx_t index, duk_size_t *out_len);+DUK_EXTERNAL_DECL void *duk_require_buffer(duk_context *ctx, duk_idx_t index, duk_size_t *out_size);+DUK_EXTERNAL_DECL void *duk_require_buffer_data(duk_context *ctx, duk_idx_t index, duk_size_t *out_size);+DUK_EXTERNAL_DECL void *duk_require_pointer(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_c_function duk_require_c_function(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_context *duk_require_context(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL void *duk_require_heapptr(duk_context *ctx, duk_idx_t index);++#define duk_require_object_coercible(ctx,index) \+ ((void) duk_check_type_mask((ctx), (index), DUK_TYPE_MASK_BOOLEAN | \+ DUK_TYPE_MASK_NUMBER | \+ DUK_TYPE_MASK_STRING | \+ DUK_TYPE_MASK_OBJECT | \+ DUK_TYPE_MASK_BUFFER | \+ DUK_TYPE_MASK_POINTER | \+ DUK_TYPE_MASK_LIGHTFUNC | \+ DUK_TYPE_MASK_THROW))++/*+ * Coercion operations: in-place coercion, return coerced value where+ * applicable. If index is invalid, throw error. Some coercions may+ * throw an expected error (e.g. from a toString() or valueOf() call)+ * or an internal error (e.g. from out of memory).+ */++DUK_EXTERNAL_DECL void duk_to_undefined(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL void duk_to_null(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_bool_t duk_to_boolean(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_double_t duk_to_number(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_int_t duk_to_int(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_uint_t duk_to_uint(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_int32_t duk_to_int32(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_uint32_t duk_to_uint32(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_uint16_t duk_to_uint16(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL const char *duk_to_string(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL const char *duk_to_lstring(duk_context *ctx, duk_idx_t index, duk_size_t *out_len);+DUK_EXTERNAL_DECL void *duk_to_buffer_raw(duk_context *ctx, duk_idx_t index, duk_size_t *out_size, duk_uint_t flags);+DUK_EXTERNAL_DECL void *duk_to_pointer(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL void duk_to_object(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL void duk_to_defaultvalue(duk_context *ctx, duk_idx_t index, duk_int_t hint);+DUK_EXTERNAL_DECL void duk_to_primitive(duk_context *ctx, duk_idx_t index, duk_int_t hint);++#define DUK_BUF_MODE_FIXED 0 /* internal: request fixed buffer result */+#define DUK_BUF_MODE_DYNAMIC 1 /* internal: request dynamic buffer result */+#define DUK_BUF_MODE_DONTCARE 2 /* internal: don't care about fixed/dynamic nature */++#define duk_to_buffer(ctx,index,out_size) \+ duk_to_buffer_raw((ctx), (index), (out_size), DUK_BUF_MODE_DONTCARE)+#define duk_to_fixed_buffer(ctx,index,out_size) \+ duk_to_buffer_raw((ctx), (index), (out_size), DUK_BUF_MODE_FIXED)+#define duk_to_dynamic_buffer(ctx,index,out_size) \+ duk_to_buffer_raw((ctx), (index), (out_size), DUK_BUF_MODE_DYNAMIC)++/* safe variants of a few coercion operations */+DUK_EXTERNAL_DECL const char *duk_safe_to_lstring(duk_context *ctx, duk_idx_t index, duk_size_t *out_len);+#define duk_safe_to_string(ctx,index) \+ duk_safe_to_lstring((ctx), (index), NULL)++/*+ * Misc conversion+ */++DUK_EXTERNAL_DECL const char *duk_base64_encode(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL void duk_base64_decode(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL const char *duk_hex_encode(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL void duk_hex_decode(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL const char *duk_json_encode(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL void duk_json_decode(duk_context *ctx, duk_idx_t index);++/*+ * Buffer+ */++DUK_EXTERNAL_DECL void *duk_resize_buffer(duk_context *ctx, duk_idx_t index, duk_size_t new_size);+DUK_EXTERNAL_DECL void *duk_steal_buffer(duk_context *ctx, duk_idx_t index, duk_size_t *out_size);+DUK_EXTERNAL_DECL void duk_config_buffer(duk_context *ctx, duk_idx_t index, void *ptr, duk_size_t len);++/*+ * Property access+ *+ * The basic function assumes key is on stack. The _string variant takes+ * a C string as a property name, while the _index variant takes an array+ * index as a property name (e.g. 123 is equivalent to the key "123").+ */++DUK_EXTERNAL_DECL duk_bool_t duk_get_prop(duk_context *ctx, duk_idx_t obj_index);+DUK_EXTERNAL_DECL duk_bool_t duk_get_prop_string(duk_context *ctx, duk_idx_t obj_index, const char *key);+DUK_EXTERNAL_DECL duk_bool_t duk_get_prop_index(duk_context *ctx, duk_idx_t obj_index, duk_uarridx_t arr_index);+DUK_EXTERNAL_DECL duk_bool_t duk_put_prop(duk_context *ctx, duk_idx_t obj_index);+DUK_EXTERNAL_DECL duk_bool_t duk_put_prop_string(duk_context *ctx, duk_idx_t obj_index, const char *key);+DUK_EXTERNAL_DECL duk_bool_t duk_put_prop_index(duk_context *ctx, duk_idx_t obj_index, duk_uarridx_t arr_index);+DUK_EXTERNAL_DECL duk_bool_t duk_del_prop(duk_context *ctx, duk_idx_t obj_index);+DUK_EXTERNAL_DECL duk_bool_t duk_del_prop_string(duk_context *ctx, duk_idx_t obj_index, const char *key);+DUK_EXTERNAL_DECL duk_bool_t duk_del_prop_index(duk_context *ctx, duk_idx_t obj_index, duk_uarridx_t arr_index);+DUK_EXTERNAL_DECL duk_bool_t duk_has_prop(duk_context *ctx, duk_idx_t obj_index);+DUK_EXTERNAL_DECL duk_bool_t duk_has_prop_string(duk_context *ctx, duk_idx_t obj_index, const char *key);+DUK_EXTERNAL_DECL duk_bool_t duk_has_prop_index(duk_context *ctx, duk_idx_t obj_index, duk_uarridx_t arr_index);+DUK_EXTERNAL_DECL void duk_def_prop(duk_context *ctx, duk_idx_t obj_index, duk_uint_t flags);++DUK_EXTERNAL_DECL duk_bool_t duk_get_global_string(duk_context *ctx, const char *key);+DUK_EXTERNAL_DECL duk_bool_t duk_put_global_string(duk_context *ctx, const char *key);++/*+ * Object prototype+ */++DUK_EXTERNAL_DECL void duk_get_prototype(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL void duk_set_prototype(duk_context *ctx, duk_idx_t index);++/*+ * Object finalizer+ */++DUK_EXTERNAL_DECL void duk_get_finalizer(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL void duk_set_finalizer(duk_context *ctx, duk_idx_t index);++/*+ * Global object+ */++DUK_EXTERNAL_DECL void duk_set_global_object(duk_context *ctx);++/*+ * Duktape/C function magic value+ */++DUK_EXTERNAL_DECL duk_int_t duk_get_magic(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL void duk_set_magic(duk_context *ctx, duk_idx_t index, duk_int_t magic);+DUK_EXTERNAL_DECL duk_int_t duk_get_current_magic(duk_context *ctx);++/*+ * Module helpers: put multiple function or constant properties+ */++DUK_EXTERNAL_DECL void duk_put_function_list(duk_context *ctx, duk_idx_t obj_index, const duk_function_list_entry *funcs);+DUK_EXTERNAL_DECL void duk_put_number_list(duk_context *ctx, duk_idx_t obj_index, const duk_number_list_entry *numbers);++/*+ * Variable access+ */++/* XXX: These calls are incomplete and not usable now. They are not (yet)+ * part of the public API.+ */+DUK_EXTERNAL_DECL void duk_get_var(duk_context *ctx);+DUK_EXTERNAL_DECL void duk_put_var(duk_context *ctx);+DUK_EXTERNAL_DECL duk_bool_t duk_del_var(duk_context *ctx);+DUK_EXTERNAL_DECL duk_bool_t duk_has_var(duk_context *ctx);++/*+ * Object operations+ */++DUK_EXTERNAL_DECL void duk_compact(duk_context *ctx, duk_idx_t obj_index);+DUK_EXTERNAL_DECL void duk_enum(duk_context *ctx, duk_idx_t obj_index, duk_uint_t enum_flags);+DUK_EXTERNAL_DECL duk_bool_t duk_next(duk_context *ctx, duk_idx_t enum_index, duk_bool_t get_value);++/*+ * String manipulation+ */++DUK_EXTERNAL_DECL void duk_concat(duk_context *ctx, duk_idx_t count);+DUK_EXTERNAL_DECL void duk_join(duk_context *ctx, duk_idx_t count);+DUK_EXTERNAL_DECL void duk_decode_string(duk_context *ctx, duk_idx_t index, duk_decode_char_function callback, void *udata);+DUK_EXTERNAL_DECL void duk_map_string(duk_context *ctx, duk_idx_t index, duk_map_char_function callback, void *udata);+DUK_EXTERNAL_DECL void duk_substring(duk_context *ctx, duk_idx_t index, duk_size_t start_char_offset, duk_size_t end_char_offset);+DUK_EXTERNAL_DECL void duk_trim(duk_context *ctx, duk_idx_t index);+DUK_EXTERNAL_DECL duk_codepoint_t duk_char_code_at(duk_context *ctx, duk_idx_t index, duk_size_t char_offset);++/*+ * Ecmascript operators+ */++DUK_EXTERNAL_DECL duk_bool_t duk_equals(duk_context *ctx, duk_idx_t index1, duk_idx_t index2);+DUK_EXTERNAL_DECL duk_bool_t duk_strict_equals(duk_context *ctx, duk_idx_t index1, duk_idx_t index2);+DUK_EXTERNAL_DECL duk_bool_t duk_instanceof(duk_context *ctx, duk_idx_t index1, duk_idx_t index2);++/*+ * Function (method) calls+ */++DUK_EXTERNAL_DECL void duk_call(duk_context *ctx, duk_idx_t nargs);+DUK_EXTERNAL_DECL void duk_call_method(duk_context *ctx, duk_idx_t nargs);+DUK_EXTERNAL_DECL void duk_call_prop(duk_context *ctx, duk_idx_t obj_index, duk_idx_t nargs);+DUK_EXTERNAL_DECL duk_int_t duk_pcall(duk_context *ctx, duk_idx_t nargs);+DUK_EXTERNAL_DECL duk_int_t duk_pcall_method(duk_context *ctx, duk_idx_t nargs);+DUK_EXTERNAL_DECL duk_int_t duk_pcall_prop(duk_context *ctx, duk_idx_t obj_index, duk_idx_t nargs);+DUK_EXTERNAL_DECL void duk_new(duk_context *ctx, duk_idx_t nargs);+DUK_EXTERNAL_DECL duk_int_t duk_pnew(duk_context *ctx, duk_idx_t nargs);+DUK_EXTERNAL_DECL duk_int_t duk_safe_call(duk_context *ctx, duk_safe_call_function func, duk_idx_t nargs, duk_idx_t nrets);++/*+ * Thread management+ */++/* There are currently no native functions to yield/resume, due to the internal+ * limitations on coroutine handling. These will be added later.+ */++/*+ * Compilation and evaluation+ */++DUK_EXTERNAL_DECL duk_int_t duk_eval_raw(duk_context *ctx, const char *src_buffer, duk_size_t src_length, duk_uint_t flags);+DUK_EXTERNAL_DECL duk_int_t duk_compile_raw(duk_context *ctx, const char *src_buffer, duk_size_t src_length, duk_uint_t flags);++/* plain */+#define duk_eval(ctx) \+ ((void) duk_push_string((ctx), (const char *) (__FILE__)), \+ (void) duk_eval_raw((ctx), NULL, 0, DUK_COMPILE_EVAL))++#define duk_eval_noresult(ctx) \+ ((void) duk_push_string((ctx), (const char *) (__FILE__)), \+ (void) duk_eval_raw((ctx), NULL, 0, DUK_COMPILE_EVAL | DUK_COMPILE_NORESULT))++#define duk_peval(ctx) \+ ((void) duk_push_string((ctx), (const char *) (__FILE__)), \+ duk_eval_raw((ctx), NULL, 0, DUK_COMPILE_EVAL | DUK_COMPILE_SAFE))++#define duk_peval_noresult(ctx) \+ ((void) duk_push_string((ctx), (const char *) (__FILE__)), \+ duk_eval_raw((ctx), NULL, 0, DUK_COMPILE_EVAL | DUK_COMPILE_SAFE | DUK_COMPILE_NORESULT))++#define duk_compile(ctx,flags) \+ ((void) duk_compile_raw((ctx), NULL, 0, (flags)))++#define duk_pcompile(ctx,flags) \+ (duk_compile_raw((ctx), NULL, 0, (flags) | DUK_COMPILE_SAFE))++/* string */+#define duk_eval_string(ctx,src) \+ ((void) duk_push_string((ctx), (const char *) (__FILE__)), \+ (void) duk_eval_raw((ctx), (src), 0, DUK_COMPILE_EVAL | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN))++#define duk_eval_string_noresult(ctx,src) \+ ((void) duk_push_string((ctx), (const char *) (__FILE__)), \+ (void) duk_eval_raw((ctx), (src), 0, DUK_COMPILE_EVAL | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN | DUK_COMPILE_NORESULT))++#define duk_peval_string(ctx,src) \+ ((void) duk_push_string((ctx), (const char *) (__FILE__)), \+ duk_eval_raw((ctx), (src), 0, DUK_COMPILE_EVAL | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN))++#define duk_peval_string_noresult(ctx,src) \+ ((void) duk_push_string((ctx), (const char *) (__FILE__)), \+ duk_eval_raw((ctx), (src), 0, DUK_COMPILE_EVAL | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN | DUK_COMPILE_NORESULT))++#define duk_compile_string(ctx,flags,src) \+ ((void) duk_push_string((ctx), (const char *) (__FILE__)), \+ (void) duk_compile_raw((ctx), (src), 0, (flags) | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN))++#define duk_compile_string_filename(ctx,flags,src) \+ ((void) duk_compile_raw((ctx), (src), 0, (flags) | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN))++#define duk_pcompile_string(ctx,flags,src) \+ ((void) duk_push_string((ctx), (const char *) (__FILE__)), \+ duk_compile_raw((ctx), (src), 0, (flags) | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN))++#define duk_pcompile_string_filename(ctx,flags,src) \+ (duk_compile_raw((ctx), (src), 0, (flags) | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN))++/* lstring */+#define duk_eval_lstring(ctx,buf,len) \+ ((void) duk_push_string((ctx), (const char *) (__FILE__)), \+ (void) duk_eval_raw((ctx), buf, len, DUK_COMPILE_EVAL | DUK_COMPILE_NOSOURCE))++#define duk_eval_lstring_noresult(ctx,buf,len) \+ ((void) duk_push_string((ctx), (const char *) (__FILE__)), \+ (void) duk_eval_raw((ctx), buf, len, DUK_COMPILE_EVAL | DUK_COMPILE_NOSOURCE | DUK_COMPILE_NORESULT))++#define duk_peval_lstring(ctx,buf,len) \+ ((void) duk_push_string((ctx), (const char *) (__FILE__)), \+ duk_eval_raw((ctx), buf, len, DUK_COMPILE_EVAL | DUK_COMPILE_NOSOURCE | DUK_COMPILE_SAFE))++#define duk_peval_lstring_noresult(ctx,buf,len) \+ ((void) duk_push_string((ctx), (const char *) (__FILE__)), \+ duk_eval_raw((ctx), buf, len, DUK_COMPILE_EVAL | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE | DUK_COMPILE_NORESULT))++#define duk_compile_lstring(ctx,flags,buf,len) \+ ((void) duk_push_string((ctx), (const char *) (__FILE__)), \+ (void) duk_compile_raw((ctx), buf, len, (flags) | DUK_COMPILE_NOSOURCE))++#define duk_compile_lstring_filename(ctx,flags,buf,len) \+ ((void) duk_compile_raw((ctx), buf, len, (flags) | DUK_COMPILE_NOSOURCE))++#define duk_pcompile_lstring(ctx,flags,buf,len) \+ ((void) duk_push_string((ctx), (const char *) (__FILE__)), \+ duk_compile_raw((ctx), buf, len, (flags) | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE))++#define duk_pcompile_lstring_filename(ctx,flags,buf,len) \+ (duk_compile_raw((ctx), buf, len, (flags) | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE))++/* file */+#define duk_eval_file(ctx,path) \+ ((void) duk_push_string_file_raw((ctx), (path), 0), \+ (void) duk_push_string((ctx), (path)), \+ (void) duk_eval_raw((ctx), NULL, 0, DUK_COMPILE_EVAL))++#define duk_eval_file_noresult(ctx,path) \+ ((void) duk_push_string_file_raw((ctx), (path), 0), \+ (void) duk_push_string((ctx), (path)), \+ (void) duk_eval_raw((ctx), NULL, 0, DUK_COMPILE_EVAL | DUK_COMPILE_NORESULT))++#define duk_peval_file(ctx,path) \+ ((void) duk_push_string_file_raw((ctx), (path), DUK_STRING_PUSH_SAFE), \+ (void) duk_push_string((ctx), (path)), \+ duk_eval_raw((ctx), NULL, 0, DUK_COMPILE_EVAL | DUK_COMPILE_SAFE))++#define duk_peval_file_noresult(ctx,path) \+ ((void) duk_push_string_file_raw((ctx), (path), DUK_STRING_PUSH_SAFE), \+ (void) duk_push_string((ctx), (path)), \+ duk_eval_raw((ctx), NULL, 0, DUK_COMPILE_EVAL | DUK_COMPILE_SAFE | DUK_COMPILE_NORESULT))++#define duk_compile_file(ctx,flags,path) \+ ((void) duk_push_string_file_raw((ctx), (path), 0), \+ (void) duk_push_string((ctx), (path)), \+ (void) duk_compile_raw((ctx), NULL, 0, (flags)))++#define duk_pcompile_file(ctx,flags,path) \+ ((void) duk_push_string_file_raw((ctx), (path), DUK_STRING_PUSH_SAFE), \+ (void) duk_push_string((ctx), (path)), \+ duk_compile_raw((ctx), NULL, 0, (flags) | DUK_COMPILE_SAFE))++/*+ * Bytecode load/dump+ */++DUK_EXTERNAL_DECL void duk_dump_function(duk_context *ctx);+DUK_EXTERNAL_DECL void duk_load_function(duk_context *ctx);++/*+ * Logging+ */++DUK_EXTERNAL_DECL void duk_log(duk_context *ctx, duk_int_t level, const char *fmt, ...);+DUK_EXTERNAL_DECL void duk_log_va(duk_context *ctx, duk_int_t level, const char *fmt, va_list ap);++/*+ * Debugging+ */++DUK_EXTERNAL_DECL void duk_push_context_dump(duk_context *ctx);++#if defined(DUK_USE_FILE_IO)+/* internal use */+#define duk_dump_context_filehandle(ctx,fh) \+ (duk_push_context_dump((ctx)), \+ DUK_FPRINTF((fh), "%s\n", duk_safe_to_string(ctx, -1)), \+ duk_pop(ctx))++/* external use */+#define duk_dump_context_stdout(ctx) \+ duk_dump_context_filehandle((ctx), DUK_STDOUT)+#define duk_dump_context_stderr(ctx) \+ duk_dump_context_filehandle((ctx), DUK_STDERR)+#else /* DUK_USE_FILE_IO */+#define duk_dump_context_stdout(ctx) ((void) 0)+#define duk_dump_context_stderr(ctx) ((void) 0)+#endif /* DUK_USE_FILE_IO */++/*+ * Debugger (debug protocol)+ */++DUK_EXTERNAL_DECL void duk_debugger_attach(duk_context *ctx,+ duk_debug_read_function read_cb,+ duk_debug_write_function write_cb,+ duk_debug_peek_function peek_cb,+ duk_debug_read_flush_function read_flush_cb,+ duk_debug_write_flush_function write_flush_cb,+ duk_debug_detached_function detached_cb,+ void *udata);+DUK_EXTERNAL_DECL void duk_debugger_detach(duk_context *ctx);+DUK_EXTERNAL_DECL void duk_debugger_cooperate(duk_context *ctx);++/*+ * Date provider related constants+ *+ * NOTE: These are "semi public" - you should only use these if you write+ * your own platform specific Date provider, see doc/datetime.rst.+ */++/* Millisecond count constants. */+#define DUK_DATE_MSEC_SECOND 1000L+#define DUK_DATE_MSEC_MINUTE (60L * 1000L)+#define DUK_DATE_MSEC_HOUR (60L * 60L * 1000L)+#define DUK_DATE_MSEC_DAY (24L * 60L * 60L * 1000L)++/* Ecmascript date range is 100 million days from Epoch:+ * > 100e6 * 24 * 60 * 60 * 1000 // 100M days in millisecs+ * 8640000000000000+ * (= 8.64e15)+ */+#define DUK_DATE_MSEC_100M_DAYS (8.64e15)+#define DUK_DATE_MSEC_100M_DAYS_LEEWAY (8.64e15 + 24 * 3600e3)++/* Ecmascript year range:+ * > new Date(100e6 * 24 * 3600e3).toISOString()+ * '+275760-09-13T00:00:00.000Z'+ * > new Date(-100e6 * 24 * 3600e3).toISOString()+ * '-271821-04-20T00:00:00.000Z'+ */+#define DUK_DATE_MIN_ECMA_YEAR (-271821L)+#define DUK_DATE_MAX_ECMA_YEAR 275760L++/* Part indices for internal breakdowns. Part order from DUK_DATE_IDX_YEAR+ * to DUK_DATE_IDX_MILLISECOND matches argument ordering of Ecmascript API+ * calls (like Date constructor call). Some functions in duk_bi_date.c+ * depend on the specific ordering, so change with care. 16 bits are not+ * enough for all parts (year, specifically).+ *+ * (Must be in-sync with genbuiltins.py.)+ */+#define DUK_DATE_IDX_YEAR 0 /* year */+#define DUK_DATE_IDX_MONTH 1 /* month: 0 to 11 */+#define DUK_DATE_IDX_DAY 2 /* day within month: 0 to 30 */+#define DUK_DATE_IDX_HOUR 3+#define DUK_DATE_IDX_MINUTE 4+#define DUK_DATE_IDX_SECOND 5+#define DUK_DATE_IDX_MILLISECOND 6+#define DUK_DATE_IDX_WEEKDAY 7 /* weekday: 0 to 6, 0=sunday, 1=monday, etc */+#define DUK_DATE_IDX_NUM_PARTS 8++/* Internal API call flags, used for various functions in this file.+ * Certain flags are used by only certain functions, but since the flags+ * don't overlap, a single flags value can be passed around to multiple+ * functions.+ *+ * The unused top bits of the flags field are also used to pass values+ * to helpers (duk__get_part_helper() and duk__set_part_helper()).+ *+ * (Must be in-sync with genbuiltins.py.)+ */++/* NOTE: when writing a Date provider you only need a few specific+ * flags from here, the rest are internal. Avoid using anything you+ * don't need.+ */++#define DUK_DATE_FLAG_NAN_TO_ZERO (1 << 0) /* timeval breakdown: internal time value NaN -> zero */+#define DUK_DATE_FLAG_NAN_TO_RANGE_ERROR (1 << 1) /* timeval breakdown: internal time value NaN -> RangeError (toISOString) */+#define DUK_DATE_FLAG_ONEBASED (1 << 2) /* timeval breakdown: convert month and day-of-month parts to one-based (default is zero-based) */+#define DUK_DATE_FLAG_EQUIVYEAR (1 << 3) /* timeval breakdown: replace year with equivalent year in the [1971,2037] range for DST calculations */+#define DUK_DATE_FLAG_LOCALTIME (1 << 4) /* convert time value to local time */+#define DUK_DATE_FLAG_SUB1900 (1 << 5) /* getter: subtract 1900 from year when getting year part */+#define DUK_DATE_FLAG_TOSTRING_DATE (1 << 6) /* include date part in string conversion result */+#define DUK_DATE_FLAG_TOSTRING_TIME (1 << 7) /* include time part in string conversion result */+#define DUK_DATE_FLAG_TOSTRING_LOCALE (1 << 8) /* use locale specific formatting if available */+#define DUK_DATE_FLAG_TIMESETTER (1 << 9) /* setter: call is a time setter (affects hour, min, sec, ms); otherwise date setter (affects year, month, day-in-month) */+#define DUK_DATE_FLAG_YEAR_FIXUP (1 << 10) /* setter: perform 2-digit year fixup (00...99 -> 1900...1999) */+#define DUK_DATE_FLAG_SEP_T (1 << 11) /* string conversion: use 'T' instead of ' ' as a separator */+#define DUK_DATE_FLAG_VALUE_SHIFT 12 /* additional values begin at bit 12 */++/*+ * C++ name mangling+ */++#ifdef __cplusplus+/* end 'extern "C"' wrapper */+}+#endif++#endif /* DUK_API_PUBLIC_H_INCLUDED */++/*+ * END PUBLIC API+ */++/*+ * Union to access IEEE double memory representation, indexes for double+ * memory representation, and some macros for double manipulation.+ *+ * Also used by packed duk_tval. Use a union for bit manipulation to+ * minimize aliasing issues in practice. The C99 standard does not+ * guarantee that this should work, but it's a very widely supported+ * practice for low level manipulation.+ *+ * IEEE double format summary:+ *+ * seeeeeee eeeeffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff+ * A B C D E F G H+ *+ * s sign bit+ * eee... exponent field+ * fff... fraction+ *+ * See http://en.wikipedia.org/wiki/Double_precision_floating-point_format.+ *+ * NaNs are represented as exponent 0x7ff and mantissa != 0. The NaN is a+ * signaling NaN when the highest bit of the mantissa is zero, and a quiet+ * NaN when the highest bit is set.+ *+ * At least three memory layouts are relevant here:+ *+ * A B C D E F G H Big endian (e.g. 68k) DUK_USE_DOUBLE_BE+ * H G F E D C B A Little endian (e.g. x86) DUK_USE_DOUBLE_LE+ * D C B A H G F E Mixed/cross endian (e.g. ARM) DUK_USE_DOUBLE_ME+ *+ * ARM is a special case: ARM double values are in mixed/cross endian+ * format while ARM duk_uint64_t values are in standard little endian+ * format (H G F E D C B A). When a double is read as a duk_uint64_t+ * from memory, the register will contain the (logical) value+ * E F G H A B C D. This requires some special handling below.+ *+ * Indexes of various types (8-bit, 16-bit, 32-bit) in memory relative to+ * the logical (big endian) order:+ *+ * byte order duk_uint8_t duk_uint16_t duk_uint32_t+ * BE 01234567 0123 01+ * LE 76543210 3210 10+ * ME (ARM) 32107654 1032 01+ *+ * Some processors may alter NaN values in a floating point load+store.+ * For instance, on X86 a FLD + FSTP may convert a signaling NaN to a+ * quiet one. This is catastrophic when NaN space is used in packed+ * duk_tval values. See: misc/clang_aliasing.c.+ */++#ifndef DUK_DBLUNION_H_INCLUDED+#define DUK_DBLUNION_H_INCLUDED++/*+ * Union for accessing double parts, also serves as packed duk_tval+ */++union duk_double_union {+ double d;+ float f[2];+#ifdef DUK_USE_64BIT_OPS+ duk_uint64_t ull[1];+#endif+ duk_uint32_t ui[2];+ duk_uint16_t us[4];+ duk_uint8_t uc[8];+#ifdef DUK_USE_PACKED_TVAL_POSSIBLE+ void *vp[2]; /* used by packed duk_tval, assumes sizeof(void *) == 4 */+#endif+};++typedef union duk_double_union duk_double_union;++/*+ * Indexes of various types with respect to big endian (logical) layout+ */++#if defined(DUK_USE_DOUBLE_LE)+#ifdef DUK_USE_64BIT_OPS+#define DUK_DBL_IDX_ULL0 0+#endif+#define DUK_DBL_IDX_UI0 1+#define DUK_DBL_IDX_UI1 0+#define DUK_DBL_IDX_US0 3+#define DUK_DBL_IDX_US1 2+#define DUK_DBL_IDX_US2 1+#define DUK_DBL_IDX_US3 0+#define DUK_DBL_IDX_UC0 7+#define DUK_DBL_IDX_UC1 6+#define DUK_DBL_IDX_UC2 5+#define DUK_DBL_IDX_UC3 4+#define DUK_DBL_IDX_UC4 3+#define DUK_DBL_IDX_UC5 2+#define DUK_DBL_IDX_UC6 1+#define DUK_DBL_IDX_UC7 0+#define DUK_DBL_IDX_VP0 DUK_DBL_IDX_UI0 /* packed tval */+#define DUK_DBL_IDX_VP1 DUK_DBL_IDX_UI1 /* packed tval */+#elif defined(DUK_USE_DOUBLE_BE)+#ifdef DUK_USE_64BIT_OPS+#define DUK_DBL_IDX_ULL0 0+#endif+#define DUK_DBL_IDX_UI0 0+#define DUK_DBL_IDX_UI1 1+#define DUK_DBL_IDX_US0 0+#define DUK_DBL_IDX_US1 1+#define DUK_DBL_IDX_US2 2+#define DUK_DBL_IDX_US3 3+#define DUK_DBL_IDX_UC0 0+#define DUK_DBL_IDX_UC1 1+#define DUK_DBL_IDX_UC2 2+#define DUK_DBL_IDX_UC3 3+#define DUK_DBL_IDX_UC4 4+#define DUK_DBL_IDX_UC5 5+#define DUK_DBL_IDX_UC6 6+#define DUK_DBL_IDX_UC7 7+#define DUK_DBL_IDX_VP0 DUK_DBL_IDX_UI0 /* packed tval */+#define DUK_DBL_IDX_VP1 DUK_DBL_IDX_UI1 /* packed tval */+#elif defined(DUK_USE_DOUBLE_ME)+#ifdef DUK_USE_64BIT_OPS+#define DUK_DBL_IDX_ULL0 0 /* not directly applicable, byte order differs from a double */+#endif+#define DUK_DBL_IDX_UI0 0+#define DUK_DBL_IDX_UI1 1+#define DUK_DBL_IDX_US0 1+#define DUK_DBL_IDX_US1 0+#define DUK_DBL_IDX_US2 3+#define DUK_DBL_IDX_US3 2+#define DUK_DBL_IDX_UC0 3+#define DUK_DBL_IDX_UC1 2+#define DUK_DBL_IDX_UC2 1+#define DUK_DBL_IDX_UC3 0+#define DUK_DBL_IDX_UC4 7+#define DUK_DBL_IDX_UC5 6+#define DUK_DBL_IDX_UC6 5+#define DUK_DBL_IDX_UC7 4+#define DUK_DBL_IDX_VP0 DUK_DBL_IDX_UI0 /* packed tval */+#define DUK_DBL_IDX_VP1 DUK_DBL_IDX_UI1 /* packed tval */+#else+#error internal error+#endif++/*+ * Helper macros for reading/writing memory representation parts, used+ * by duk_numconv.c and duk_tval.h.+ */++#define DUK_DBLUNION_SET_DOUBLE(u,v) do { \+ (u)->d = (v); \+ } while (0)++#define DUK_DBLUNION_SET_HIGH32(u,v) do { \+ (u)->ui[DUK_DBL_IDX_UI0] = (duk_uint32_t) (v); \+ } while (0)++#ifdef DUK_USE_64BIT_OPS+#ifdef DUK_USE_DOUBLE_ME+#define DUK_DBLUNION_SET_HIGH32_ZERO_LOW32(u,v) do { \+ (u)->ull[DUK_DBL_IDX_ULL0] = (duk_uint64_t) (v); \+ } while (0)+#else+#define DUK_DBLUNION_SET_HIGH32_ZERO_LOW32(u,v) do { \+ (u)->ull[DUK_DBL_IDX_ULL0] = ((duk_uint64_t) (v)) << 32; \+ } while (0)+#endif+#else /* DUK_USE_64BIT_OPS */+#define DUK_DBLUNION_SET_HIGH32_ZERO_LOW32(u,v) do { \+ (u)->ui[DUK_DBL_IDX_UI0] = (duk_uint32_t) (v); \+ (u)->ui[DUK_DBL_IDX_UI1] = (duk_uint32_t) 0; \+ } while (0)+#endif /* DUK_USE_64BIT_OPS */++#define DUK_DBLUNION_SET_LOW32(u,v) do { \+ (u)->ui[DUK_DBL_IDX_UI1] = (duk_uint32_t) (v); \+ } while (0)++#define DUK_DBLUNION_GET_DOUBLE(u) ((u)->d)+#define DUK_DBLUNION_GET_HIGH32(u) ((u)->ui[DUK_DBL_IDX_UI0])+#define DUK_DBLUNION_GET_LOW32(u) ((u)->ui[DUK_DBL_IDX_UI1])++#ifdef DUK_USE_64BIT_OPS+#ifdef DUK_USE_DOUBLE_ME+#define DUK_DBLUNION_SET_UINT64(u,v) do { \+ (u)->ui[DUK_DBL_IDX_UI0] = (duk_uint32_t) ((v) >> 32); \+ (u)->ui[DUK_DBL_IDX_UI1] = (duk_uint32_t) (v); \+ } while (0)+#define DUK_DBLUNION_GET_UINT64(u) \+ ((((duk_uint64_t) (u)->ui[DUK_DBL_IDX_UI0]) << 32) | \+ ((duk_uint64_t) (u)->ui[DUK_DBL_IDX_UI1]))+#else+#define DUK_DBLUNION_SET_UINT64(u,v) do { \+ (u)->ull[DUK_DBL_IDX_ULL0] = (duk_uint64_t) (v); \+ } while (0)+#define DUK_DBLUNION_GET_UINT64(u) ((u)->ull[DUK_DBL_IDX_ULL0])+#endif+#define DUK_DBLUNION_SET_INT64(u,v) DUK_DBLUNION_SET_UINT64((u), (duk_uint64_t) (v))+#define DUK_DBLUNION_GET_INT64(u) ((duk_int64_t) DUK_DBLUNION_GET_UINT64((u)))+#endif /* DUK_USE_64BIT_OPS */++/*+ * Double NaN manipulation macros related to NaN normalization needed when+ * using the packed duk_tval representation. NaN normalization is necessary+ * to keep double values compatible with the duk_tval format.+ *+ * When packed duk_tval is used, the NaN space is used to store pointers+ * and other tagged values in addition to NaNs. Actual NaNs are normalized+ * to a specific format. The macros below are used by the implementation+ * to check and normalize NaN values when they might be created. The macros+ * are essentially NOPs when the non-packed duk_tval representation is used.+ *+ * A FULL check is exact and checks all bits. A NOTFULL check is used by+ * the packed duk_tval and works correctly for all NaNs except those that+ * begin with 0x7ff0. Since the 'normalized NaN' values used with packed+ * duk_tval begin with 0x7ff8, the partial check is reliable when packed+ * duk_tval is used.+ *+ * The ME variant below is specifically for ARM byte order, which has the+ * feature that while doubles have a mixed byte order (32107654), unsigned+ * long long values has a little endian byte order (76543210). When writing+ * a logical double value through a ULL pointer, the 32-bit words need to be+ * swapped; hence the #ifdefs below for ULL writes with DUK_USE_DOUBLE_ME.+ * This is not full ARM support but suffices for some environments.+ */++#ifdef DUK_USE_64BIT_OPS+#ifdef DUK_USE_DOUBLE_ME+#define DUK__DBLUNION_SET_NAN_FULL(u) do { \+ (u)->ull[DUK_DBL_IDX_ULL0] = 0x000000007ff80000ULL; \+ } while (0)+#else+#define DUK__DBLUNION_SET_NAN_FULL(u) do { \+ (u)->ull[DUK_DBL_IDX_ULL0] = 0x7ff8000000000000ULL; \+ } while (0)+#endif+#else /* DUK_USE_64BIT_OPS */+#define DUK__DBLUNION_SET_NAN_FULL(u) do { \+ (u)->ui[DUK_DBL_IDX_UI0] = (duk_uint32_t) 0x7ff80000UL; \+ (u)->ui[DUK_DBL_IDX_UI1] = (duk_uint32_t) 0x00000000UL; \+ } while (0)+#endif /* DUK_USE_64BIT_OPS */++#define DUK__DBLUNION_SET_NAN_NOTFULL(u) do { \+ (u)->us[DUK_DBL_IDX_US0] = 0x7ff8UL; \+ } while (0)++#ifdef DUK_USE_64BIT_OPS+#ifdef DUK_USE_DOUBLE_ME+#define DUK__DBLUNION_IS_NAN_FULL(u) \+ /* E == 0x7ff, F != 0 => NaN */ \+ ((((u)->us[DUK_DBL_IDX_US0] & 0x7ff0UL) == 0x7ff0UL) && \+ ((((u)->ull[DUK_DBL_IDX_ULL0]) & 0xffffffff000fffffULL) != 0))+#else+#define DUK__DBLUNION_IS_NAN_FULL(u) \+ /* E == 0x7ff, F != 0 => NaN */ \+ ((((u)->us[DUK_DBL_IDX_US0] & 0x7ff0UL) == 0x7ff0UL) && \+ ((((u)->ull[DUK_DBL_IDX_ULL0]) & 0x000fffffffffffffULL) != 0))+#endif+#else /* DUK_USE_64BIT_OPS */+#define DUK__DBLUNION_IS_NAN_FULL(u) \+ /* E == 0x7ff, F != 0 => NaN */ \+ ((((u)->ui[DUK_DBL_IDX_UI0] & 0x7ff00000UL) == 0x7ff00000UL) && \+ (((u)->ui[DUK_DBL_IDX_UI0] & 0x000fffffUL) != 0 || \+ (u)->ui[DUK_DBL_IDX_UI1] != 0))+#endif /* DUK_USE_64BIT_OPS */++#define DUK__DBLUNION_IS_NAN_NOTFULL(u) \+ /* E == 0x7ff, topmost four bits of F != 0 => assume NaN */ \+ ((((u)->us[DUK_DBL_IDX_US0] & 0x7ff0UL) == 0x7ff0UL) && \+ (((u)->us[DUK_DBL_IDX_US0] & 0x000fUL) != 0x0000UL))++#ifdef DUK_USE_64BIT_OPS+#ifdef DUK_USE_DOUBLE_ME+#define DUK__DBLUNION_IS_NORMALIZED_NAN_FULL(u) \+ ((u)->ull[DUK_DBL_IDX_ULL0] == 0x000000007ff80000ULL)+#else+#define DUK__DBLUNION_IS_NORMALIZED_NAN_FULL(u) \+ ((u)->ull[DUK_DBL_IDX_ULL0] == 0x7ff8000000000000ULL)+#endif+#else /* DUK_USE_64BIT_OPS */+#define DUK__DBLUNION_IS_NORMALIZED_NAN_FULL(u) \+ (((u)->ui[DUK_DBL_IDX_UI0] == 0x7ff80000UL) && \+ ((u)->ui[DUK_DBL_IDX_UI1] == 0x00000000UL))+#endif /* DUK_USE_64BIT_OPS */++#define DUK__DBLUNION_IS_NORMALIZED_NAN_NOTFULL(u) \+ /* E == 0x7ff, F == 8 => normalized NaN */ \+ ((u)->us[DUK_DBL_IDX_US0] == 0x7ff8UL)++#define DUK__DBLUNION_NORMALIZE_NAN_CHECK_FULL(u) do { \+ if (DUK__DBLUNION_IS_NAN_FULL((u))) { \+ DUK__DBLUNION_SET_NAN_FULL((u)); \+ } \+ } while (0)++#define DUK__DBLUNION_NORMALIZE_NAN_CHECK_NOTFULL(u) do { \+ if (DUK__DBLUNION_IS_NAN_NOTFULL((u))) { \+ DUK__DBLUNION_SET_NAN_NOTFULL((u)); \+ } \+ } while (0)++/* Concrete macros for NaN handling used by the implementation internals.+ * Chosen so that they match the duk_tval representation: with a packed+ * duk_tval, ensure NaNs are properly normalized; with a non-packed duk_tval+ * these are essentially NOPs.+ */++#if defined(DUK_USE_PACKED_TVAL)+#if defined(DUK_USE_FULL_TVAL)+#define DUK_DBLUNION_NORMALIZE_NAN_CHECK(u) DUK__DBLUNION_NORMALIZE_NAN_CHECK_FULL((u))+#define DUK_DBLUNION_IS_NAN(u) DUK__DBLUNION_IS_NAN_FULL((u))+#define DUK_DBLUNION_IS_NORMALIZED_NAN(u) DUK__DBLUNION_IS_NORMALIZED_NAN_FULL((u))+#define DUK_DBLUNION_SET_NAN(d) DUK__DBLUNION_SET_NAN_FULL((d))+#else+#define DUK_DBLUNION_NORMALIZE_NAN_CHECK(u) DUK__DBLUNION_NORMALIZE_NAN_CHECK_NOTFULL((u))+#define DUK_DBLUNION_IS_NAN(u) DUK__DBLUNION_IS_NAN_NOTFULL((u))+#define DUK_DBLUNION_IS_NORMALIZED_NAN(u) DUK__DBLUNION_IS_NORMALIZED_NAN_NOTFULL((u))+#define DUK_DBLUNION_SET_NAN(d) DUK__DBLUNION_SET_NAN_NOTFULL((d))+#endif+#define DUK_DBLUNION_IS_NORMALIZED(u) \+ (!DUK_DBLUNION_IS_NAN((u)) || /* either not a NaN */ \+ DUK_DBLUNION_IS_NORMALIZED_NAN((u))) /* or is a normalized NaN */+#else /* DUK_USE_PACKED_TVAL */+#define DUK_DBLUNION_NORMALIZE_NAN_CHECK(u) /* nop: no need to normalize */+#define DUK_DBLUNION_IS_NAN(u) (DUK_ISNAN((u)->d))+#define DUK_DBLUNION_IS_NORMALIZED_NAN(u) (DUK_ISNAN((u)->d))+#define DUK_DBLUNION_IS_NORMALIZED(u) 1 /* all doubles are considered normalized */+#define DUK_DBLUNION_SET_NAN(u) do { \+ /* in non-packed representation we don't care about which NaN is used */ \+ (u)->d = DUK_DOUBLE_NAN; \+ } while (0)+#endif /* DUK_USE_PACKED_TVAL */++/* XXX: native 64-bit byteswaps when available */++/* 64-bit byteswap, same operation independent of target endianness. */+#define DUK_DBLUNION_BSWAP64(u) do { \+ duk_uint32_t duk__bswaptmp1, duk__bswaptmp2; \+ duk__bswaptmp1 = (u)->ui[0]; \+ duk__bswaptmp2 = (u)->ui[1]; \+ duk__bswaptmp1 = DUK_BSWAP32(duk__bswaptmp1); \+ duk__bswaptmp2 = DUK_BSWAP32(duk__bswaptmp2); \+ (u)->ui[0] = duk__bswaptmp2; \+ (u)->ui[1] = duk__bswaptmp1; \+ } while (0)++/* Byteswap an IEEE double in the duk_double_union from host to network+ * order. For a big endian target this is a no-op.+ */+#if defined(DUK_USE_DOUBLE_LE)+#define DUK_DBLUNION_DOUBLE_HTON(u) do { \+ duk_uint32_t duk__bswaptmp1, duk__bswaptmp2; \+ duk__bswaptmp1 = (u)->ui[0]; \+ duk__bswaptmp2 = (u)->ui[1]; \+ duk__bswaptmp1 = DUK_BSWAP32(duk__bswaptmp1); \+ duk__bswaptmp2 = DUK_BSWAP32(duk__bswaptmp2); \+ (u)->ui[0] = duk__bswaptmp2; \+ (u)->ui[1] = duk__bswaptmp1; \+ } while (0)+#elif defined(DUK_USE_DOUBLE_ME)+#define DUK_DBLUNION_DOUBLE_HTON(u) do { \+ duk_uint32_t duk__bswaptmp1, duk__bswaptmp2; \+ duk__bswaptmp1 = (u)->ui[0]; \+ duk__bswaptmp2 = (u)->ui[1]; \+ duk__bswaptmp1 = DUK_BSWAP32(duk__bswaptmp1); \+ duk__bswaptmp2 = DUK_BSWAP32(duk__bswaptmp2); \+ (u)->ui[0] = duk__bswaptmp1; \+ (u)->ui[1] = duk__bswaptmp2; \+ } while (0)+#elif defined(DUK_USE_DOUBLE_BE)+#define DUK_DBLUNION_DOUBLE_HTON(u) do { } while (0)+#else+#error internal error, double endianness insane+#endif++/* Reverse operation is the same. */+#define DUK_DBLUNION_DOUBLE_NTOH(u) DUK_DBLUNION_DOUBLE_HTON((u)) #endif /* DUK_DBLUNION_H_INCLUDED */
hs-duktape.cabal view
@@ -1,5 +1,5 @@ name: hs-duktape-version: 0.1.0+version: 0.1.1 synopsis: Haskell bindings for a very compact embedded ECMAScript (JavaScript) engine. category: Web homepage: https://github.com/myfreeweb/hs-duktape@@ -25,6 +25,8 @@ build-depends: base >= 4.3.0.0 && < 5 , transformers+ , vector+ , unordered-containers , text , bytestring , aeson@@ -49,6 +51,7 @@ , hspec-expectations-pretty-diff , aeson , aeson-qq+ , raw-strings-qq , template-haskell , hs-duktape default-language: Haskell2010
library/Scripting/Duktape.hs view
@@ -1,10 +1,17 @@ {-# OPTIONS_GHC -fno-warn-type-defaults #-}-{-# LANGUAGE OverloadedStrings, UnicodeSyntax, CPP #-}+{-# LANGUAGE OverloadedStrings, UnicodeSyntax, CPP, FlexibleInstances #-} +-- | Haskell bindings for duktape, a very compact embedded ECMAScript (JavaScript) engine.+-- +-- Concurrency note: you can't execute code with the same context from multiple threads in parallel.+-- If you use the same context from multiple threads, only one will run at a time, others will block. module Scripting.Duktape ( DuktapeCtx , createDuktapeCtx , evalDuktape+, callDuktape+, exposeFnDuktape+, Duktapeable ) where import Foreign.Ptr@@ -14,77 +21,188 @@ import Foreign.C.Types import Foreign.Marshal.Alloc import Control.Monad.IO.Class-import Data.Text.Encoding (decodeUtf8)+import Control.Concurrent.MVar (withMVar)+import Control.Monad (void, forM_, liftM)+import Data.Text.Encoding (decodeUtf8, encodeUtf8) import qualified Data.ByteString as BS import qualified Data.ByteString.Lazy as BL+import qualified Data.Vector as V+import qualified Data.HashMap.Strict as HMS import Data.Aeson+import Data.Maybe (fromMaybe) import Scripting.Duktape.Raw -#define DUK_TYPE_NONE 0-#define DUK_TYPE_UNDEFINED 1-#define DUK_TYPE_NULL 2-#define DUK_TYPE_BOOLEAN 3-#define DUK_TYPE_NUMBER 4-#define DUK_TYPE_STRING 5-#define DUK_TYPE_OBJECT 6-#define DUK_TYPE_BUFFER 7-#define DUK_TYPE_POINTER 8-#define DUK_TYPE_LIGHTFUNC 9- cMinusOne ∷ CInt cMinusOne = fromIntegral $ -1 data DukType = DukNone | DukUndefined | DukNull | DukBoolean | DukNumber | DukString | DukObject | DukBuffer | DukPointer | DukLightFunc -getTypeOnStack ∷ DuktapeCtx → Int → IO DukType-getTypeOnStack ctx idx = withForeignPtr ctx $ \ctxPtr → do- t ← c_duk_get_type ctxPtr $ fromIntegral idx- return $ case t of- DUK_TYPE_NONE → DukNone- DUK_TYPE_UNDEFINED → DukUndefined- DUK_TYPE_NULL → DukNull- DUK_TYPE_BOOLEAN → DukBoolean- DUK_TYPE_NUMBER → DukNumber- DUK_TYPE_STRING → DukString- DUK_TYPE_OBJECT → DukObject- DUK_TYPE_BUFFER → DukBuffer- DUK_TYPE_POINTER → DukPointer- DUK_TYPE_LIGHTFUNC → DukLightFunc- _ → DukNone+withCtx ∷ DuktapeCtx → (Ptr DuktapeHeap → IO α) → IO α+withCtx ctx a = withMVar ctx $ \fPtr → withForeignPtr fPtr a -getStringFromStack ∷ DuktapeCtx → Int → IO BS.ByteString-getStringFromStack ctx idx = withForeignPtr ctx $ \ctxPtr → do+getTypeOnStack ∷ Ptr DuktapeHeap → Int → IO DukType+getTypeOnStack ctxPtr idx = liftM readType $ c_duk_get_type ctxPtr $ fromIntegral idx+ where readType x | x == c_DUK_TYPE_NONE = DukNone+ | x == c_DUK_TYPE_UNDEFINED = DukUndefined+ | x == c_DUK_TYPE_NULL = DukNull+ | x == c_DUK_TYPE_BOOLEAN = DukBoolean+ | x == c_DUK_TYPE_NUMBER = DukNumber+ | x == c_DUK_TYPE_STRING = DukString+ | x == c_DUK_TYPE_OBJECT = DukObject+ | x == c_DUK_TYPE_BUFFER = DukBuffer+ | x == c_DUK_TYPE_POINTER = DukPointer+ | x == c_DUK_TYPE_LIGHTFUNC = DukLightFunc+ | otherwise = DukNone++getStringFromStack ∷ Ptr DuktapeHeap → Int → IO BS.ByteString+getStringFromStack ctxPtr idx = alloca $ \lenPtr → do let cIdx = fromIntegral idx- lenPtr ← malloc ∷ IO (Ptr CSize) str ← c_duk_get_lstring ctxPtr cIdx lenPtr len ← peek lenPtr retVal ← BS.packCStringLen (str, fromIntegral len)- free lenPtr return retVal -getValueFromStack ∷ DuktapeCtx → Int → IO (Maybe Value)-getValueFromStack ctx idx = withForeignPtr ctx $ \ctxPtr → do- retType ← getTypeOnStack ctx idx+getValueFromStack ∷ Ptr DuktapeHeap → Int → IO (Maybe Value)+getValueFromStack ctxPtr idx = do+ retType ← getTypeOnStack ctxPtr idx let cIdx = fromIntegral idx ret = return . Just case retType of DukNull → ret Null DukBoolean → c_duk_get_boolean ctxPtr cIdx >>= ret . Bool . (== 1) . fromIntegral DukNumber → c_duk_get_number ctxPtr cIdx >>= ret . Number . realToFrac- DukString → getStringFromStack ctx idx >>= ret . String . decodeUtf8- DukObject → c_duk_json_encode ctxPtr cIdx >> getStringFromStack ctx idx >>= return . decode . BL.fromStrict+ DukString → getStringFromStack ctxPtr idx >>= ret . String . decodeUtf8+ DukObject → c_duk_json_encode ctxPtr cIdx >> getStringFromStack ctxPtr idx >>= return . decode . BL.fromStrict _ → return Nothing +getValueOrError ∷ Ptr DuktapeHeap → CInt → IO (Either String (Maybe Value))+getValueOrError ctxPtr code =+ if code /= fromIntegral 0+ then c_duk_safe_to_string ctxPtr cMinusOne >>= peekCString >>= return . Left+ else getValueFromStack ctxPtr (-1) >>= return . Right++pop ∷ Ptr DuktapeHeap → α → IO α+pop ctxPtr retVal = c_duk_pop ctxPtr >> return retVal++pushValue ∷ Ptr DuktapeHeap → Value → IO ()+pushValue ctxPtr Null = c_duk_push_null ctxPtr+pushValue ctxPtr (Bool True) = c_duk_push_boolean ctxPtr 1+pushValue ctxPtr (Bool False) = c_duk_push_boolean ctxPtr 0+pushValue ctxPtr (Number n) = c_duk_push_number ctxPtr $ realToFrac n+pushValue ctxPtr (String s) = void $ BS.useAsCStringLen (encodeUtf8 s) $ \(sCstr, sLen) →+ c_duk_push_lstring ctxPtr sCstr $ fromIntegral sLen+pushValue ctxPtr (Array v) = do+ idx ← c_duk_push_array ctxPtr+ let pushElement x i = pushValue ctxPtr x >> c_duk_put_prop_index ctxPtr idx i+ V.zipWithM_ pushElement v (V.enumFromN 0 $ V.length v)+pushValue ctxPtr (Object m) = do+ idx ← c_duk_push_object ctxPtr+ forM_ (HMS.toList m) $ \(k, x) →+ BS.useAsCString (encodeUtf8 k) $ \kCstr →+ pushValue ctxPtr x >> c_duk_put_prop_string ctxPtr idx kCstr++pushObjectOrGlobal ∷ Ptr DuktapeHeap → Maybe BS.ByteString → IO Bool+pushObjectOrGlobal ctxPtr (Just on) = liftM (/= 0) $ BS.useAsCString on $ \onameCstr → c_duk_get_global_string ctxPtr onameCstr+pushObjectOrGlobal ctxPtr Nothing = c_duk_push_global_object ctxPtr >> return True++-- | Creates a Duktape context. createDuktapeCtx ∷ MonadIO μ ⇒ μ (Maybe DuktapeCtx) createDuktapeCtx = liftIO $ createHeapF nullFunPtr +-- | Evaluates a string of ECMAScript on a given Duktape context.+--+-- Note: a top level object, like {some: 'thing'}, is not a valid string to evaluate.+-- You'd need to at least wrap it in parens, like ({some: 'thing'}). evalDuktape ∷ MonadIO μ ⇒ DuktapeCtx → BS.ByteString → μ (Either String (Maybe Value)) evalDuktape ctx src =- liftIO $ withForeignPtr ctx $ \ctxPtr →- BS.useAsCStringLen src $ \(srcCstr, srcLen) → do- evalCode ← c_duk_peval_lstring ctxPtr srcCstr $ fromIntegral srcLen- retVal ← if evalCode /= fromIntegral 0- then c_duk_safe_to_string ctxPtr cMinusOne >>= peekCString >>= return . Left- else getValueFromStack ctx (-1) >>= return . Right- c_duk_pop ctxPtr- return retVal+ liftIO $ withCtx ctx $ \ctxPtr →+ BS.useAsCStringLen src $ \(srcCstr, srcLen) →+ pop ctxPtr =<< getValueOrError ctxPtr =<< c_duk_peval_lstring ctxPtr srcCstr (fromIntegral srcLen)++-- | Calls an ECMAScript function on a given Duktape context, passing in arguments from the Haskell world.+callDuktape ∷ MonadIO μ ⇒ DuktapeCtx+ → Maybe BS.ByteString -- ^ The name of the object that contains the function (Nothing is the global object)+ → BS.ByteString -- ^ The function name+ → [Value] -- ^ The arguments+ → μ (Either String (Maybe Value))+callDuktape ctx oname fname args =+ liftIO $ withCtx ctx $ \ctxPtr →+ BS.useAsCStringLen fname $ \(fnameCstr, fnameLen) → do+ oVal ← pushObjectOrGlobal ctxPtr oname+ if oVal+ then do+ void $ c_duk_push_lstring ctxPtr fnameCstr $ fromIntegral fnameLen+ forM_ args $ pushValue ctxPtr+ pop ctxPtr =<< pop ctxPtr =<< getValueOrError ctxPtr =<< c_duk_pcall_prop ctxPtr (fromIntegral $ -2 - length args) (fromIntegral $ length args)+ else pop ctxPtr $ Left $ "Nonexistent property of global object: " ++ show (fromMaybe "" oname)++class Duktapeable ξ where+ runInDuktape ∷ ξ → Ptr DuktapeHeap → IO CInt+ argCount ∷ ξ → Int++instance Duktapeable (IO ()) where+ runInDuktape f _ = f >> return 0+ argCount _ = 0++instance Duktapeable (IO Value) where+ argCount _ = 0+ runInDuktape f ctxPtr = f >>= pushValue ctxPtr >> return 1++instance Duktapeable (Value → IO Value) where+ argCount _ = 1+ runInDuktape f ctxPtr = do+ a0 ← getValueFromStack ctxPtr 0+ f (fromMaybe Null a0) >>= pushValue ctxPtr >> return 1++instance Duktapeable (Value → Value → IO Value) where+ argCount _ = 2+ runInDuktape f ctxPtr = do+ a0 ← getValueFromStack ctxPtr 0+ a1 ← getValueFromStack ctxPtr 1+ f (fromMaybe Null a0) (fromMaybe Null a1) >>= pushValue ctxPtr >> return 1++instance Duktapeable (Value → Value → Value → IO Value) where+ argCount _ = 3+ runInDuktape f ctxPtr = do+ a0 ← getValueFromStack ctxPtr 0+ a1 ← getValueFromStack ctxPtr 1+ a2 ← getValueFromStack ctxPtr 2+ f (fromMaybe Null a0) (fromMaybe Null a1) (fromMaybe Null a2) >>= pushValue ctxPtr >> return 1++instance Duktapeable (Value → Value → Value → Value → IO Value) where+ argCount _ = 4+ runInDuktape f ctxPtr = do+ a0 ← getValueFromStack ctxPtr 0+ a1 ← getValueFromStack ctxPtr 1+ a2 ← getValueFromStack ctxPtr 2+ a3 ← getValueFromStack ctxPtr 3+ f (fromMaybe Null a0) (fromMaybe Null a1) (fromMaybe Null a2) (fromMaybe Null a3) >>= pushValue ctxPtr >> return 1++instance Duktapeable (Value → Value → Value → Value → Value → IO Value) where+ argCount _ = 5+ runInDuktape f ctxPtr = do+ a0 ← getValueFromStack ctxPtr 0+ a1 ← getValueFromStack ctxPtr 1+ a2 ← getValueFromStack ctxPtr 2+ a3 ← getValueFromStack ctxPtr 3+ a4 ← getValueFromStack ctxPtr 4+ f (fromMaybe Null a0) (fromMaybe Null a1) (fromMaybe Null a2) (fromMaybe Null a3) (fromMaybe Null a4) >>= pushValue ctxPtr >> return 1++-- | Makes a Haskell function available in ECMAScript.+exposeFnDuktape ∷ (MonadIO μ, Duktapeable ξ)+ ⇒ DuktapeCtx+ → Maybe BS.ByteString -- ^ The name of the object that will contain the function (Nothing is the global object)+ → BS.ByteString -- ^ The function name+ → ξ -- ^ The function itself+ → μ (Either String ())+exposeFnDuktape ctx oname fname f =+ liftIO $ withCtx ctx $ \ctxPtr →+ BS.useAsCString fname $ \fnameCstr → do+ oVal ← pushObjectOrGlobal ctxPtr oname+ if oVal+ then do+ wrapped ← c_wrapper $ runInDuktape f+ void $ c_duk_push_c_function ctxPtr wrapped $ fromIntegral $ argCount f+ void $ c_duk_put_prop_string ctxPtr (-2) fnameCstr+ pop ctxPtr $ Right ()+ else pop ctxPtr $ Left $ "Nonexistent property of global object: " ++ show oname
library/Scripting/Duktape/Raw.hs view
@@ -1,5 +1,5 @@ {-# LANGUAGE OverloadedStrings, UnicodeSyntax, CPP #-}-{-# LANGUAGE ForeignFunctionInterface, EmptyDataDecls #-}+{-# LANGUAGE ForeignFunctionInterface, CApiFFI, EmptyDataDecls #-} module Scripting.Duktape.Raw where @@ -7,98 +7,144 @@ import Foreign.C.String import Foreign.Ptr import Foreign.ForeignPtr-import Data.Bits+import Control.Concurrent.MVar (newMVar, MVar) +foreign import capi "duktape.h value DUK_TYPE_NONE" c_DUK_TYPE_NONE ∷ CInt+foreign import capi "duktape.h value DUK_TYPE_UNDEFINED" c_DUK_TYPE_UNDEFINED ∷ CInt+foreign import capi "duktape.h value DUK_TYPE_NULL" c_DUK_TYPE_NULL ∷ CInt+foreign import capi "duktape.h value DUK_TYPE_BOOLEAN" c_DUK_TYPE_BOOLEAN ∷ CInt+foreign import capi "duktape.h value DUK_TYPE_NUMBER" c_DUK_TYPE_NUMBER ∷ CInt+foreign import capi "duktape.h value DUK_TYPE_STRING" c_DUK_TYPE_STRING ∷ CInt+foreign import capi "duktape.h value DUK_TYPE_OBJECT" c_DUK_TYPE_OBJECT ∷ CInt+foreign import capi "duktape.h value DUK_TYPE_BUFFER" c_DUK_TYPE_BUFFER ∷ CInt+foreign import capi "duktape.h value DUK_TYPE_POINTER" c_DUK_TYPE_POINTER ∷ CInt+foreign import capi "duktape.h value DUK_TYPE_LIGHTFUNC" c_DUK_TYPE_LIGHTFUNC ∷ CInt+ data DuktapeHeap -type DuktapeCtx = ForeignPtr DuktapeHeap+type DuktapeCtx = MVar (ForeignPtr DuktapeHeap) type DukAllocFunction = Ptr () → CSize → IO (Ptr ()) type DukReallocFunction = Ptr () → Ptr () → CSize → IO (Ptr ()) type DukFreeFunction = Ptr () → Ptr () → IO () type DukFatalFunction = Ptr DuktapeHeap → CInt → CString → IO () +foreign import ccall safe "wrapper"+ c_wrapper ∷ (Ptr DuktapeHeap → IO CInt) → IO (FunPtr (Ptr DuktapeHeap → IO CInt))+ -- Heap lifecycle -foreign import ccall safe "duktape.h duk_create_heap"+foreign import capi safe "duktape.h duk_create_heap" c_duk_create_heap ∷ FunPtr DukAllocFunction → FunPtr DukReallocFunction → FunPtr DukFreeFunction → Ptr () → FunPtr DukFatalFunction → IO (Ptr DuktapeHeap) -foreign import ccall safe "duktape.h &duk_destroy_heap"+foreign import capi safe "duktape.h &duk_destroy_heap" c_duk_destroy_heap ∷ FunPtr(Ptr DuktapeHeap → IO ()) -- Evaluation -#define DUK_COMPILE_EVAL (1 `shiftL` 0)-#define DUK_COMPILE_FUNCTION (1 `shiftL` 1)-#define DUK_COMPILE_STRICT (1 `shiftL` 2)-#define DUK_COMPILE_SAFE (1 `shiftL` 3)-#define DUK_COMPILE_NORESULT (1 `shiftL` 4)-#define DUK_COMPILE_NOSOURCE (1 `shiftL` 5)-#define DUK_COMPILE_STRLEN (1 `shiftL` 6)--foreign import ccall safe "duktape.h duk_eval_raw"+foreign import capi safe "duktape.h duk_eval_raw" c_duk_eval_raw ∷ Ptr DuktapeHeap → CString → CSize → CUInt → IO CInt -c_duk_peval_lstring ∷ Ptr DuktapeHeap → CString → CSize → IO CInt-c_duk_peval_lstring ptr src srclen = do- withCString "hs-duktape" $ \fileStr →- c_duk_push_string ptr fileStr- c_duk_eval_raw ptr src srclen $ DUK_COMPILE_EVAL .|. DUK_COMPILE_NOSOURCE .|. DUK_COMPILE_SAFE+foreign import capi safe "duktape.h duk_peval_lstring"+ c_duk_peval_lstring ∷ Ptr DuktapeHeap → CString → CSize → IO CInt +foreign import capi safe "duktape.h duk_pcall_prop"+ c_duk_pcall_prop ∷ Ptr DuktapeHeap → CInt → CInt → IO CInt+ -- Managing the stack -foreign import ccall safe "duktape.h duk_pop"+foreign import capi safe "duktape.h duk_pop" c_duk_pop ∷ Ptr DuktapeHeap → IO () +-- Properties++foreign import capi safe "duktape.h duk_put_prop_index"+ c_duk_put_prop_index ∷ Ptr DuktapeHeap → CInt → CInt → IO CInt++foreign import capi safe "duktape.h duk_put_prop_string"+ c_duk_put_prop_string ∷ Ptr DuktapeHeap → CInt → CString → IO CInt+ -- Pushing to the stack -foreign import ccall safe "duktape.h duk_push_string"- c_duk_push_string ∷ Ptr DuktapeHeap → CString → IO ()+foreign import capi safe "duktape.h duk_push_string"+ c_duk_push_string ∷ Ptr DuktapeHeap → CString → IO CString +foreign import capi safe "duktape.h duk_push_lstring"+ c_duk_push_lstring ∷ Ptr DuktapeHeap → CString → CSize → IO CString++foreign import capi safe "duktape.h duk_push_number"+ c_duk_push_number ∷ Ptr DuktapeHeap → CDouble → IO ()++foreign import capi safe "duktape.h duk_push_boolean"+ c_duk_push_boolean ∷ Ptr DuktapeHeap → CInt → IO ()++foreign import capi safe "duktape.h duk_push_null"+ c_duk_push_null ∷ Ptr DuktapeHeap → IO ()++foreign import capi safe "duktape.h duk_push_array"+ c_duk_push_array ∷ Ptr DuktapeHeap → IO CInt++foreign import capi safe "duktape.h duk_push_object"+ c_duk_push_object ∷ Ptr DuktapeHeap → IO CInt++foreign import capi safe "duktape.h duk_push_c_function"+ c_duk_push_c_function ∷ Ptr DuktapeHeap → FunPtr (Ptr DuktapeHeap → IO CInt) → CInt → IO CInt++foreign import capi safe "duktape.h duk_push_global_object"+ c_duk_push_global_object ∷ Ptr DuktapeHeap → IO ()++foreign import capi safe "duktape.h duk_get_global_string"+ c_duk_get_global_string ∷ Ptr DuktapeHeap → CString → IO CInt+ -- Fetching from the stack -foreign import ccall safe "duktape.h duk_safe_to_lstring"+foreign import capi safe "duktape.h duk_safe_to_lstring" c_duk_safe_to_lstring ∷ Ptr DuktapeHeap → CInt → Ptr CSize → IO CString -c_duk_safe_to_string ∷ Ptr DuktapeHeap → CInt → IO CString-c_duk_safe_to_string ctx idx = c_duk_safe_to_lstring ctx idx nullPtr+foreign import capi safe "duktape.h duk_safe_to_string"+ c_duk_safe_to_string ∷ Ptr DuktapeHeap → CInt → IO CString -foreign import ccall safe "duktape.h duk_get_string"+foreign import capi safe "duktape.h duk_get_string" c_duk_get_string ∷ Ptr DuktapeHeap → CInt → IO CString -foreign import ccall safe "duktape.h duk_get_lstring"+foreign import capi safe "duktape.h duk_get_lstring" c_duk_get_lstring ∷ Ptr DuktapeHeap → CInt → Ptr CSize → IO CString -foreign import ccall safe "duktape.h duk_get_int"+foreign import capi safe "duktape.h duk_get_int" c_duk_get_int ∷ Ptr DuktapeHeap → CInt → IO CInt -foreign import ccall safe "duktape.h duk_get_uint"+foreign import capi safe "duktape.h duk_get_uint" c_duk_get_uint ∷ Ptr DuktapeHeap → CInt → IO CUInt -foreign import ccall safe "duktape.h duk_get_number"+foreign import capi safe "duktape.h duk_get_number" c_duk_get_number ∷ Ptr DuktapeHeap → CInt → IO CDouble -foreign import ccall safe "duktape.h duk_get_boolean"+foreign import capi safe "duktape.h duk_get_boolean" c_duk_get_boolean ∷ Ptr DuktapeHeap → CInt → IO CInt -foreign import ccall safe "duktape.h duk_get_type"+foreign import capi safe "duktape.h duk_get_type" c_duk_get_type ∷ Ptr DuktapeHeap → CInt → IO CInt -- Encoding/decoding -foreign import ccall safe "duktape.h duk_json_encode"+foreign import capi safe "duktape.h duk_json_encode" c_duk_json_encode ∷ Ptr DuktapeHeap → CInt → IO CString -foreign import ccall safe "duktape.h duk_json_decode"+foreign import capi safe "duktape.h duk_json_decode" c_duk_json_decode ∷ Ptr DuktapeHeap → CInt → IO () +-- Debugging++foreign import capi safe "duktape.h duk_push_context_dump"+ c_duk_push_context_dump ∷ Ptr DuktapeHeap → IO ()+ ------------------------------------------------------------------------------------------------------- createHeap ∷ FunPtr DukAllocFunction → FunPtr DukReallocFunction → FunPtr DukFreeFunction → Ptr () → FunPtr DukFatalFunction → IO (Maybe DuktapeCtx) createHeap allocf reallocf freef udata fatalf = do ptr ← c_duk_create_heap allocf reallocf freef udata fatalf if ptr /= nullPtr- then newForeignPtr c_duk_destroy_heap ptr >>= return . Just+ then newForeignPtr c_duk_destroy_heap ptr >>= newMVar >>= return . Just else return Nothing createHeapF ∷ FunPtr DukFatalFunction → IO (Maybe DuktapeCtx)
test-suite/Scripting/DuktapeSpec.hs view
@@ -30,3 +30,65 @@ rA `shouldBe` (Right $ Just [json|[1,2,"string",{"what":"ever"}]|]) rO ← evalDuktape (fromJust ctx) "({what: ['ever', 1, 2, 3]})" rO `shouldBe` (Right $ Just [json|{"what":["ever", 1, 2, 3]}|])++ describe "callDuktape" $ do+ it "calls ECMAScript functions" $ do+ ctx ← createDuktapeCtx+ _ ← evalDuktape (fromJust ctx) [r|+function returnsObj () { return {hello: {from: [1, 2, 3]}} }+function throwsErr () { throw new Error('hi') }+|]+ rE ← callDuktape (fromJust ctx) Nothing "n0thing!" []+ rE `shouldBe` (Left "TypeError: not callable")+ rO ← callDuktape (fromJust ctx) Nothing "returnsObj" []+ rO `shouldBe` (Right $ Just [json|{"hello": {"from": [1, 2, 3]}}|])+ rT ← callDuktape (fromJust ctx) Nothing "throwsErr" []+ rT `shouldBe` (Left "Error: hi")++ it "calls ECMAScript functions on objects" $ do+ ctx ← createDuktapeCtx+ _ ← evalDuktape (fromJust ctx) [r|+var Stuff = { x: 'testFromThis' }+Stuff.fun = function () { return this.x }+|]+ rS ← callDuktape (fromJust ctx) (Just "Stuff") "fun" []+ rS `shouldBe` (Right $ Just $ String "testFromThis")+ rE ← callDuktape (fromJust ctx) (Just "failNonExistent") "fun" []+ rE `shouldBe` (Left "Nonexistent property of global object: \"failNonExistent\"")++ it "calls ECMAScript functions with args" $ do+ ctx ← createDuktapeCtx+ _ ← evalDuktape (fromJust ctx) [r|+function double (x, y) { return x*2 + y*2 }+function awesomeString (x) { return '-= ' + x + ' =-' }+function boolTest (x, y, z) { return typeof(x) === 'boolean' && x && (y && !z) }+function arrTest (a) { return a.map(function (el) { return typeof(el) }).join('') }+function objTest (obj) { return obj.name + obj.stuff.filter(function (x) { return x != null && (typeof(x) == 'string' || typeof(x) == 'object') })+ .map(function(x) { return typeof(x) == 'object' ? x.value : x } ).join('') }+|]+ rN ← callDuktape (fromJust ctx) Nothing "double" [Number 7, Number 8]+ rN `shouldBe` (Right $ Just $ Number 30)+ rS ← callDuktape (fromJust ctx) Nothing "awesomeString" [String "hello"]+ rS `shouldBe` (Right $ Just $ String "-= hello =-")+ rB ← callDuktape (fromJust ctx) Nothing "boolTest" [Bool True, Bool True, Bool False]+ rB `shouldBe` (Right $ Just $ Bool True)+ rA ← callDuktape (fromJust ctx) Nothing "arrTest" [[json|[1, 2, "test", null]|]]+ rA `shouldBe` (Right $ Just $ String "numbernumberstringobject")+ rO ← callDuktape (fromJust ctx) Nothing "objTest" [[json|{"stuff": [1, 2, "hello", null, {"value": "world"}], "name": "test"}|]]+ rO `shouldBe` (Right $ Just $ String "testhelloworld")++ describe "exposeFnDuktape" $ do+ it "exposes Haskell functions to ECMAScript" $ do+ ctx ← createDuktapeCtx+ _ ← evalDuktape (fromJust ctx) "var X = {}"+ let dbl (Number x) = return $ Number $ x * 2 ∷ IO Value+ dbl _ = return $ String "wtf"+ cnst = return $ Number 123 ∷ IO Value+ _ ← exposeFnDuktape (fromJust ctx) Nothing "double" dbl+ _ ← exposeFnDuktape (fromJust ctx) (Just "X") "cnst" cnst+ rd ← evalDuktape (fromJust ctx) "double(7) + X.cnst()"+ rd `shouldBe` (Right $ Just $ Number 137)+ rD ← callDuktape (fromJust ctx) Nothing "double" [Number 7]+ rD `shouldBe` (Right $ Just $ Number 14)+ rE ← callDuktape (fromJust ctx) Nothing "double" []+ rE `shouldBe` (Right $ Just $ String "wtf")
test-suite/TestCommon.hs view
@@ -2,9 +2,11 @@ module TestCommon ( json+, r ) where import Language.Haskell.TH.Quote+import Text.RawString.QQ import Data.Aeson.QQ -- renames for vim