hs-duktape (empty) → 0.1.0
raw patch · 10 files changed
+4846/−0 lines, 10 filesdep +aesondep +aeson-qqdep +base
Dependencies added: aeson, aeson-qq, base, bytestring, hs-duktape, hspec, hspec-expectations-pretty-diff, template-haskell, text, transformers
Files
- LICENSE +20/−0
- README.md +65/−0
- duktape/src/duktape.c too large to diff
- duktape/src/duktape.h +4460/−0
- hs-duktape.cabal +61/−0
- library/Scripting/Duktape.hs +90/−0
- library/Scripting/Duktape/Raw.hs +105/−0
- test-suite/Scripting/DuktapeSpec.hs +32/−0
- test-suite/Spec.hs +1/−0
- test-suite/TestCommon.hs +12/−0
+ LICENSE view
@@ -0,0 +1,20 @@+Haskell bindings: Copyright (c) 2015 Greg V <greg@unrelenting.technology>+Duktape: Copyright (c) 2013-2015 by Duktape authors (see duktape/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.
+ README.md view
@@ -0,0 +1,65 @@+# hs-duktape [](https://hackage.haskell.org/package/hs-duktape) [](https://travis-ci.org/myfreeweb/hs-duktape) [](https://tldrlegal.com/license/mit-license)++Haskell bindings for [duktape], a very compact embedded ECMAScript (JavaScript) engine.++[duktape]: http://duktape.org++## Usage++Here's a simple REPL example:++```haskell+module Main where++import Scripting.Duktape+import Control.Monad (forever)+import Data.ByteString.Char8 (pack)+import System.IO (hFlush, stdout)++main :: IO ()+main = do+ dukm <- createDuktapeCtx+ case dukm of+ Nothing -> putStrLn "I can't even (start Duktape)"+ Just duk -> forever $ do+ putStr "duktape> "+ hFlush stdout+ retVal <- evalDuktape duk =<< return . pack =<< getLine+ case retVal of+ Left e -> putStrLn $ "Duktape error: " ++ e+ Right Nothing -> putStrLn "No result"+ Right (Just v) -> print v+```++[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.++[Aeson]: https://hackage.haskell.org/package/aeson+[lens-aeson]: https://hackage.haskell.org/package/lens-aeson++## Development++Use [stack] to build. ++```bash+$ stack build++$ stack test && rm tests.tix+```++[stack]: https://github.com/commercialhaskell/stack++## Contributing++Please feel free to submit pull requests!+Bugfixes and simple non-breaking improvements will be accepted without any questions :-)++By participating in this project you agree to follow the [Contributor Code of Conduct](http://contributor-covenant.org/version/1/2/0/).++[The list of contributors is available on GitHub](https://github.com/myfreeweb/hs-duktape/graphs/contributors).++## License++Licensed under the MIT license (see to the `LICENSE` file). +Haskell bindings: Copyright (c) 2015 Greg V <greg@unrelenting.technology> +Duktape: Copyright (c) 2013-2015 by Duktape authors (see duktape/AUTHORS.rst)
+ duktape/src/duktape.c view
file too large to diff
+ duktape/src/duktape.h view
@@ -0,0 +1,4460 @@+/*+ * 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++#endif /* DUK_DBLUNION_H_INCLUDED */++#endif /* DUKTAPE_H_INCLUDED */
+ hs-duktape.cabal view
@@ -0,0 +1,61 @@+name: hs-duktape+version: 0.1.0+synopsis: Haskell bindings for a very compact embedded ECMAScript (JavaScript) engine.+category: Web+homepage: https://github.com/myfreeweb/hs-duktape+author: Greg V+copyright: 2015 Greg V <greg@unrelenting.technology>, 2013-2015 Duktape authors+maintainer: greg@unrelenting.technology+license: MIT+license-file: LICENSE+build-type: Simple+cabal-version: >= 1.10+extra-source-files:+ README.md+ duktape/src/duktape.c+ duktape/src/duktape.h+tested-with:+ GHC == 7.10.2++source-repository head+ type: git+ location: git://github.com/myfreeweb/hs-duktape.git++library+ build-depends:+ base >= 4.3.0.0 && < 5+ , transformers+ , text+ , bytestring+ , aeson+ default-language: Haskell2010+ exposed-modules:+ Scripting.Duktape+ Scripting.Duktape.Raw+ ghc-options: -Wall+ hs-source-dirs: library+ include-dirs: duktape/src+ c-sources: duktape/src/duktape.c+ includes: duktape.h+ install-includes: duktape.h+ cc-options: -Wall -O2 -pedantic -std=c99 -fstrict-aliasing -fomit-frame-pointer++test-suite tests+ build-depends:+ base >= 4.3.0.0 && < 5+ , text+ , bytestring+ , hspec+ , hspec-expectations-pretty-diff+ , aeson+ , aeson-qq+ , template-haskell+ , hs-duktape+ default-language: Haskell2010+ ghc-options: -threaded -Wall -fhpc+ hs-source-dirs: test-suite+ main-is: Spec.hs+ other-modules:+ TestCommon+ Scripting.DuktapeSpec+ type: exitcode-stdio-1.0
+ library/Scripting/Duktape.hs view
@@ -0,0 +1,90 @@+{-# OPTIONS_GHC -fno-warn-type-defaults #-}+{-# LANGUAGE OverloadedStrings, UnicodeSyntax, CPP #-}++module Scripting.Duktape (+ DuktapeCtx+, createDuktapeCtx+, evalDuktape+) where++import Foreign.Ptr+import Foreign.ForeignPtr+import Foreign.Storable+import Foreign.C.String+import Foreign.C.Types+import Foreign.Marshal.Alloc+import Control.Monad.IO.Class+import Data.Text.Encoding (decodeUtf8)+import qualified Data.ByteString as BS+import qualified Data.ByteString.Lazy as BL+import Data.Aeson+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++getStringFromStack ∷ DuktapeCtx → Int → IO BS.ByteString+getStringFromStack ctx idx = withForeignPtr ctx $ \ctxPtr → 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+ 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+ _ → return Nothing++createDuktapeCtx ∷ MonadIO μ ⇒ μ (Maybe DuktapeCtx)+createDuktapeCtx = liftIO $ createHeapF nullFunPtr++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
+ library/Scripting/Duktape/Raw.hs view
@@ -0,0 +1,105 @@+{-# LANGUAGE OverloadedStrings, UnicodeSyntax, CPP #-}+{-# LANGUAGE ForeignFunctionInterface, EmptyDataDecls #-}++module Scripting.Duktape.Raw where++import Foreign.C.Types+import Foreign.C.String+import Foreign.Ptr+import Foreign.ForeignPtr+import Data.Bits++data DuktapeHeap++type DuktapeCtx = 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 ()++-- Heap lifecycle++foreign import ccall 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"+ 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"+ 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++-- Managing the stack++foreign import ccall safe "duktape.h duk_pop"+ c_duk_pop ∷ Ptr DuktapeHeap → IO ()++-- Pushing to the stack++foreign import ccall safe "duktape.h duk_push_string"+ c_duk_push_string ∷ Ptr DuktapeHeap → CString → IO ()++-- Fetching from the stack++foreign import ccall 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 ccall safe "duktape.h duk_get_string"+ c_duk_get_string ∷ Ptr DuktapeHeap → CInt → IO CString++foreign import ccall 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"+ c_duk_get_int ∷ Ptr DuktapeHeap → CInt → IO CInt++foreign import ccall safe "duktape.h duk_get_uint"+ c_duk_get_uint ∷ Ptr DuktapeHeap → CInt → IO CUInt++foreign import ccall safe "duktape.h duk_get_number"+ c_duk_get_number ∷ Ptr DuktapeHeap → CInt → IO CDouble++foreign import ccall safe "duktape.h duk_get_boolean"+ c_duk_get_boolean ∷ Ptr DuktapeHeap → CInt → IO CInt++foreign import ccall 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"+ c_duk_json_encode ∷ Ptr DuktapeHeap → CInt → IO CString++foreign import ccall safe "duktape.h duk_json_decode"+ c_duk_json_decode ∷ Ptr DuktapeHeap → CInt → 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+ else return Nothing++createHeapF ∷ FunPtr DukFatalFunction → IO (Maybe DuktapeCtx)+createHeapF = createHeap nullFunPtr nullFunPtr nullFunPtr nullPtr
+ test-suite/Scripting/DuktapeSpec.hs view
@@ -0,0 +1,32 @@+{-# LANGUAGE QuasiQuotes, OverloadedStrings, UnicodeSyntax #-}++module Scripting.DuktapeSpec (spec) where++import Test.Hspec hiding (shouldBe)+import Test.Hspec.Expectations.Pretty (shouldBe)+import TestCommon+import Data.Maybe+import Data.Aeson hiding (json)+import Scripting.Duktape++spec ∷ Spec+spec = do+ describe "evalDuktape" $ do+ it "evaluates ECMAScript expressions" $ do+ ctx ← createDuktapeCtx+ r0 ← evalDuktape (fromJust ctx) ""+ r0 `shouldBe` Right Nothing+ rE ← evalDuktape (fromJust ctx) "print('hello"+ rE `shouldBe` Left "SyntaxError: eof or line terminator while parsing string literal (line 1)"+ rT ← evalDuktape (fromJust ctx) "1 == 1"+ rT `shouldBe` (Right $ Just $ Bool True)+ rF ← evalDuktape (fromJust ctx) "1 == 2"+ rF `shouldBe` (Right $ Just $ Bool False)+ rN ← evalDuktape (fromJust ctx) "12345"+ rN `shouldBe` (Right $ Just $ Number 12345)+ rS ← evalDuktape (fromJust ctx) "'string'"+ rS `shouldBe` (Right $ Just $ String "string")+ rA ← evalDuktape (fromJust ctx) "[1,2,'string',{what:'ever'}]"+ 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]}|])
+ test-suite/Spec.hs view
@@ -0,0 +1,1 @@+{-# OPTIONS_GHC -F -pgmF hspec-discover #-}
+ test-suite/TestCommon.hs view
@@ -0,0 +1,12 @@+{-# LANGUAGE UnicodeSyntax #-}++module TestCommon (+ json+) where++import Language.Haskell.TH.Quote+import Data.Aeson.QQ++-- renames for vim+json ∷ QuasiQuoter+json = aesonQQ