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duktape.h
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duktape.h
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/*
* Duktape public API for Duktape 2.6.0.
*
* See the API reference for documentation on call semantics. The exposed,
* supported API is between the "BEGIN PUBLIC API" and "END PUBLIC API"
* comments. Other parts of the header are Duktape internal and related to
* e.g. platform/compiler/feature detection.
*
* Git commit fffa346eff06a8764b02c31d4336f63a773a95c3 (v2.6.0).
* Git branch v2-maintenance.
*
* See below for copyright and licensing information.
*/
/* LICENSE.txt */
/*
* ===============
* Duktape license
* ===============
*
* (http://opensource.org/licenses/MIT)
*
* Copyright (c) 2013-2019 by Duktape authors (see AUTHORS.rst)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
/* AUTHORS.rst */
/*
* ===============
* Duktape authors
* ===============
*
* Copyright
* =========
*
* Duktape copyrights are held by its authors. Each author has a copyright
* to their contribution, and agrees to irrevocably license the contribution
* under the Duktape ``LICENSE.txt``.
*
* Authors
* =======
*
* Please include an e-mail address, a link to your GitHub profile, or something
* similar to allow your contribution to be identified accurately.
*
* The following people have contributed code, website contents, or Wiki contents,
* and agreed to irrevocably license their contributions under the Duktape
* ``LICENSE.txt`` (in order of appearance):
*
* * Sami Vaarala <sami.vaarala@iki.fi>
* * Niki Dobrev
* * Andreas \u00d6man <andreas@lonelycoder.com>
* * L\u00e1szl\u00f3 Lang\u00f3 <llango.u-szeged@partner.samsung.com>
* * Legimet <legimet.calc@gmail.com>
* * Karl Skomski <karl@skomski.com>
* * Bruce Pascoe <fatcerberus1@gmail.com>
* * Ren\u00e9 Hollander <rene@rene8888.at>
* * Julien Hamaide (https://github.com/crazyjul)
* * Sebastian G\u00f6tte (https://github.com/jaseg)
* * Tomasz Magulski (https://github.com/magul)
* * \D. Bohdan (https://github.com/dbohdan)
* * Ond\u0159ej Jirman (https://github.com/megous)
* * Sa\u00fal Ibarra Corretg\u00e9 <saghul@gmail.com>
* * Jeremy HU <huxingyi@msn.com>
* * Ole Andr\u00e9 Vadla Ravn\u00e5s (https://github.com/oleavr)
* * Harold Brenes (https://github.com/harold-b)
* * Oliver Crow (https://github.com/ocrow)
* * Jakub Ch\u0142api\u0144ski (https://github.com/jchlapinski)
* * Brett Vickers (https://github.com/beevik)
* * Dominik Okwieka (https://github.com/okitec)
* * Remko Tron\u00e7on (https://el-tramo.be)
* * Romero Malaquias (rbsm@ic.ufal.br)
* * Michael Drake <michael.drake@codethink.co.uk>
* * Steven Don (https://github.com/shdon)
* * Simon Stone (https://github.com/sstone1)
* * \J. McC. (https://github.com/jmhmccr)
* * Jakub Nowakowski (https://github.com/jimvonmoon)
* * Tommy Nguyen (https://github.com/tn0502)
* * Fabrice Fontaine (https://github.com/ffontaine)
* * Christopher Hiller (https://github.com/boneskull)
* * Gonzalo Diethelm (https://github.com/gonzus)
* * Michal Kasperek (https://github.com/michalkas)
* * Andrew Janke (https://github.com/apjanke)
* * Steve Fan (https://github.com/stevefan1999)
* * Edward Betts (https://github.com/edwardbetts)
* * Ozhan Duz (https://github.com/webfolderio)
* * Akos Kiss (https://github.com/akosthekiss)
* * TheBrokenRail (https://github.com/TheBrokenRail)
* * Jesse Doyle (https://github.com/jessedoyle)
* * Gero Kuehn (https://github.com/dc6jgk)
* * James Swift (https://github.com/phraemer)
* * Luis de Bethencourt (https://github.com/luisbg)
* * Ian Whyman (https://github.com/v00d00)
* * Rick Sayre (https://github.com/whorfin)
*
* Other contributions
* ===================
*
* The following people have contributed something other than code (e.g. reported
* bugs, provided ideas, etc; roughly in order of appearance):
*
* * Greg Burns
* * Anthony Rabine
* * Carlos Costa
* * Aur\u00e9lien Bouilland
* * Preet Desai (Pris Matic)
* * judofyr (http://www.reddit.com/user/judofyr)
* * Jason Woofenden
* * Micha\u0142 Przyby\u015b
* * Anthony Howe
* * Conrad Pankoff
* * Jim Schimpf
* * Rajaran Gaunker (https://github.com/zimbabao)
* * Andreas \u00d6man
* * Doug Sanden
* * Josh Engebretson (https://github.com/JoshEngebretson)
* * Remo Eichenberger (https://github.com/remoe)
* * Mamod Mehyar (https://github.com/mamod)
* * David Demelier (https://github.com/markand)
* * Tim Caswell (https://github.com/creationix)
* * Mitchell Blank Jr (https://github.com/mitchblank)
* * https://github.com/yushli
* * Seo Sanghyeon (https://github.com/sanxiyn)
* * Han ChoongWoo (https://github.com/tunz)
* * Joshua Peek (https://github.com/josh)
* * Bruce E. Pascoe (https://github.com/fatcerberus)
* * https://github.com/Kelledin
* * https://github.com/sstruchtrup
* * Michael Drake (https://github.com/tlsa)
* * https://github.com/chris-y
* * Laurent Zubiaur (https://github.com/lzubiaur)
* * Neil Kolban (https://github.com/nkolban)
* * Wilhelm Wanecek (https://github.com/wanecek)
* * Andrew Janke (https://github.com/apjanke)
* * Unamer (https://github.com/unamer)
* * Karl Dahlke (eklhad@gmail.com)
*
* If you are accidentally missing from this list, send me an e-mail
* (``sami.vaarala@iki.fi``) and I'll fix the omission.
*/
#if !defined(DUKTAPE_H_INCLUDED)
#define DUKTAPE_H_INCLUDED
#define DUK_SINGLE_FILE
/*
* BEGIN PUBLIC API
*/
/*
* Version and Git commit identification
*/
/* Duktape version, (major * 10000) + (minor * 100) + patch. Allows C code
* to #if (DUK_VERSION >= NNN) 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 20600L
/* Git commit, describe, and branch 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_COMMIT "fffa346eff06a8764b02c31d4336f63a773a95c3"
#define DUK_GIT_DESCRIBE "v2.6.0"
#define DUK_GIT_BRANCH "v2-maintenance"
/* External duk_config.h provides platform/compiler/OS dependent
* typedefs and macros, and DUK_USE_xxx config options so that
* the rest of Duktape doesn't need to do any feature detection.
* DUK_VERSION is defined before including so that configuration
* snippets can react to it.
*/
#include "duk_config.h"
/*
* Avoid C++ name mangling
*/
#if defined(__cplusplus)
extern "C" {
#endif
/*
* Some defines forwarded from feature detection
*/
#undef DUK_API_VARIADIC_MACROS
#if defined(DUK_USE_VARIADIC_MACROS)
#define DUK_API_VARIADIC_MACROS
#endif
#define DUK_API_NORETURN(decl) DUK_NORETURN(decl)
/*
* Public API specific typedefs
*
* Many types are wrapped by Duktape for portability to rare platforms
* where e.g. 'int' is a 16-bit type. See practical typing discussion
* in Duktape web documentation.
*/
struct duk_thread_state;
struct duk_memory_functions;
struct duk_function_list_entry;
struct duk_number_list_entry;
struct duk_time_components;
/* duk_context is now defined in duk_config.h because it may also be
* referenced there by prototypes.
*/
typedef struct duk_thread_state duk_thread_state;
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 struct duk_time_components duk_time_components;
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) (void *udata, 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, void *udata);
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 duk_idx_t (*duk_debug_request_function) (duk_context *ctx, void *udata, duk_idx_t nvalues);
typedef void (*duk_debug_detached_function) (duk_context *ctx, void *udata);
struct duk_thread_state {
/* XXX: Enough space to hold internal suspend/resume structure.
* This is rather awkward and to be fixed when the internal
* structure is visible for the public API header.
*/
char data[128];
};
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;
};
struct duk_time_components {
duk_double_t year; /* year, e.g. 2016, ECMAScript year range */
duk_double_t month; /* month: 1-12 */
duk_double_t day; /* day: 1-31 */
duk_double_t hours; /* hour: 0-59 */
duk_double_t minutes; /* minute: 0-59 */
duk_double_t seconds; /* second: 0-59 (in POSIX time no leap second) */
duk_double_t milliseconds; /* may contain sub-millisecond fractions */
duk_double_t weekday; /* weekday: 0-6, 0=Sunday, 1=Monday, ..., 6=Saturday */
};
/*
* Constants
*/
/* Duktape debug protocol version used by this build. */
#define DUK_DEBUG_PROTOCOL_VERSION 2
/* 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 64U
/* Value types, used by e.g. duk_get_type() */
#define DUK_TYPE_MIN 0U
#define DUK_TYPE_NONE 0U /* no value, e.g. invalid index */
#define DUK_TYPE_UNDEFINED 1U /* ECMAScript undefined */
#define DUK_TYPE_NULL 2U /* ECMAScript null */
#define DUK_TYPE_BOOLEAN 3U /* ECMAScript boolean: 0 or 1 */
#define DUK_TYPE_NUMBER 4U /* ECMAScript number: double */
#define DUK_TYPE_STRING 5U /* ECMAScript string: CESU-8 / extended UTF-8 encoded */
#define DUK_TYPE_OBJECT 6U /* ECMAScript object: includes objects, arrays, functions, threads */
#define DUK_TYPE_BUFFER 7U /* fixed or dynamic, garbage collected byte buffer */
#define DUK_TYPE_POINTER 8U /* raw void pointer */
#define DUK_TYPE_LIGHTFUNC 9U /* lightweight function pointer */
#define DUK_TYPE_MAX 9U
/* Value mask types, used by e.g. duk_get_type_mask() */
#define DUK_TYPE_MASK_NONE (1U << DUK_TYPE_NONE)
#define DUK_TYPE_MASK_UNDEFINED (1U << DUK_TYPE_UNDEFINED)
#define DUK_TYPE_MASK_NULL (1U << DUK_TYPE_NULL)
#define DUK_TYPE_MASK_BOOLEAN (1U << DUK_TYPE_BOOLEAN)
#define DUK_TYPE_MASK_NUMBER (1U << DUK_TYPE_NUMBER)
#define DUK_TYPE_MASK_STRING (1U << DUK_TYPE_STRING)
#define DUK_TYPE_MASK_OBJECT (1U << DUK_TYPE_OBJECT)
#define DUK_TYPE_MASK_BUFFER (1U << DUK_TYPE_BUFFER)
#define DUK_TYPE_MASK_POINTER (1U << DUK_TYPE_POINTER)
#define DUK_TYPE_MASK_LIGHTFUNC (1U << DUK_TYPE_LIGHTFUNC)
#define DUK_TYPE_MASK_THROW (1U << 10) /* internal flag value: throw if mask doesn't match */
#define DUK_TYPE_MASK_PROMOTE (1U << 11) /* internal flag value: promote to object if mask matches */
/* 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 (1U << 0) /* enumerate non-numerable properties in addition to enumerable */
#define DUK_ENUM_INCLUDE_HIDDEN (1U << 1) /* enumerate hidden symbols too (in Duktape 1.x called internal properties) */
#define DUK_ENUM_INCLUDE_SYMBOLS (1U << 2) /* enumerate symbols */
#define DUK_ENUM_EXCLUDE_STRINGS (1U << 3) /* exclude strings */
#define DUK_ENUM_OWN_PROPERTIES_ONLY (1U << 4) /* don't walk prototype chain, only check own properties */
#define DUK_ENUM_ARRAY_INDICES_ONLY (1U << 5) /* only enumerate array indices */
/* XXX: misleading name */
#define DUK_ENUM_SORT_ARRAY_INDICES (1U << 6) /* sort array indices (applied to full enumeration result, including inherited array indices); XXX: misleading name */
#define DUK_ENUM_NO_PROXY_BEHAVIOR (1U << 7) /* enumerate a proxy object itself without invoking proxy behavior */
/* Compilation flags for duk_compile() and duk_eval() */
/* DUK_COMPILE_xxx bits 0-2 are reserved for an internal 'nargs' argument.
*/
#define DUK_COMPILE_EVAL (1U << 3) /* compile eval code (instead of global code) */
#define DUK_COMPILE_FUNCTION (1U << 4) /* compile function code (instead of global code) */
#define DUK_COMPILE_STRICT (1U << 5) /* use strict (outer) context for global, eval, or function code */
#define DUK_COMPILE_SHEBANG (1U << 6) /* allow shebang ('#! ...') comment on first line of source */
#define DUK_COMPILE_SAFE (1U << 7) /* (internal) catch compilation errors */
#define DUK_COMPILE_NORESULT (1U << 8) /* (internal) omit eval result */
#define DUK_COMPILE_NOSOURCE (1U << 9) /* (internal) no source string on stack */
#define DUK_COMPILE_STRLEN (1U << 10) /* (internal) take strlen() of src_buffer (avoids double evaluation in macro) */
#define DUK_COMPILE_NOFILENAME (1U << 11) /* (internal) no filename on stack */
#define DUK_COMPILE_FUNCEXPR (1U << 12) /* (internal) source is a function expression (used for Function constructor) */
/* Flags for duk_def_prop() and its variants; base flags + a lot of convenience shorthands */
#define DUK_DEFPROP_WRITABLE (1U << 0) /* set writable (effective if DUK_DEFPROP_HAVE_WRITABLE set) */
#define DUK_DEFPROP_ENUMERABLE (1U << 1) /* set enumerable (effective if DUK_DEFPROP_HAVE_ENUMERABLE set) */
#define DUK_DEFPROP_CONFIGURABLE (1U << 2) /* set configurable (effective if DUK_DEFPROP_HAVE_CONFIGURABLE set) */
#define DUK_DEFPROP_HAVE_WRITABLE (1U << 3) /* set/clear writable */
#define DUK_DEFPROP_HAVE_ENUMERABLE (1U << 4) /* set/clear enumerable */
#define DUK_DEFPROP_HAVE_CONFIGURABLE (1U << 5) /* set/clear configurable */
#define DUK_DEFPROP_HAVE_VALUE (1U << 6) /* set value (given on value stack) */
#define DUK_DEFPROP_HAVE_GETTER (1U << 7) /* set getter (given on value stack) */
#define DUK_DEFPROP_HAVE_SETTER (1U << 8) /* set setter (given on value stack) */
#define DUK_DEFPROP_FORCE (1U << 9) /* force change if possible, may still fail for e.g. virtual properties */
#define DUK_DEFPROP_SET_WRITABLE (DUK_DEFPROP_HAVE_WRITABLE | DUK_DEFPROP_WRITABLE)
#define DUK_DEFPROP_CLEAR_WRITABLE DUK_DEFPROP_HAVE_WRITABLE
#define DUK_DEFPROP_SET_ENUMERABLE (DUK_DEFPROP_HAVE_ENUMERABLE | DUK_DEFPROP_ENUMERABLE)
#define DUK_DEFPROP_CLEAR_ENUMERABLE DUK_DEFPROP_HAVE_ENUMERABLE
#define DUK_DEFPROP_SET_CONFIGURABLE (DUK_DEFPROP_HAVE_CONFIGURABLE | DUK_DEFPROP_CONFIGURABLE)
#define DUK_DEFPROP_CLEAR_CONFIGURABLE DUK_DEFPROP_HAVE_CONFIGURABLE
#define DUK_DEFPROP_W DUK_DEFPROP_WRITABLE
#define DUK_DEFPROP_E DUK_DEFPROP_ENUMERABLE
#define DUK_DEFPROP_C DUK_DEFPROP_CONFIGURABLE
#define DUK_DEFPROP_WE (DUK_DEFPROP_WRITABLE | DUK_DEFPROP_ENUMERABLE)
#define DUK_DEFPROP_WC (DUK_DEFPROP_WRITABLE | DUK_DEFPROP_CONFIGURABLE)
#define DUK_DEFPROP_EC (DUK_DEFPROP_ENUMERABLE | DUK_DEFPROP_CONFIGURABLE)
#define DUK_DEFPROP_WEC (DUK_DEFPROP_WRITABLE | DUK_DEFPROP_ENUMERABLE | DUK_DEFPROP_CONFIGURABLE)
#define DUK_DEFPROP_HAVE_W DUK_DEFPROP_HAVE_WRITABLE
#define DUK_DEFPROP_HAVE_E DUK_DEFPROP_HAVE_ENUMERABLE
#define DUK_DEFPROP_HAVE_C DUK_DEFPROP_HAVE_CONFIGURABLE
#define DUK_DEFPROP_HAVE_WE (DUK_DEFPROP_HAVE_WRITABLE | DUK_DEFPROP_HAVE_ENUMERABLE)
#define DUK_DEFPROP_HAVE_WC (DUK_DEFPROP_HAVE_WRITABLE | DUK_DEFPROP_HAVE_CONFIGURABLE)
#define DUK_DEFPROP_HAVE_EC (DUK_DEFPROP_HAVE_ENUMERABLE | DUK_DEFPROP_HAVE_CONFIGURABLE)
#define DUK_DEFPROP_HAVE_WEC (DUK_DEFPROP_HAVE_WRITABLE | DUK_DEFPROP_HAVE_ENUMERABLE | DUK_DEFPROP_HAVE_CONFIGURABLE)
#define DUK_DEFPROP_SET_W DUK_DEFPROP_SET_WRITABLE
#define DUK_DEFPROP_SET_E DUK_DEFPROP_SET_ENUMERABLE
#define DUK_DEFPROP_SET_C DUK_DEFPROP_SET_CONFIGURABLE
#define DUK_DEFPROP_SET_WE (DUK_DEFPROP_SET_WRITABLE | DUK_DEFPROP_SET_ENUMERABLE)
#define DUK_DEFPROP_SET_WC (DUK_DEFPROP_SET_WRITABLE | DUK_DEFPROP_SET_CONFIGURABLE)
#define DUK_DEFPROP_SET_EC (DUK_DEFPROP_SET_ENUMERABLE | DUK_DEFPROP_SET_CONFIGURABLE)
#define DUK_DEFPROP_SET_WEC (DUK_DEFPROP_SET_WRITABLE | DUK_DEFPROP_SET_ENUMERABLE | DUK_DEFPROP_SET_CONFIGURABLE)
#define DUK_DEFPROP_CLEAR_W DUK_DEFPROP_CLEAR_WRITABLE
#define DUK_DEFPROP_CLEAR_E DUK_DEFPROP_CLEAR_ENUMERABLE
#define DUK_DEFPROP_CLEAR_C DUK_DEFPROP_CLEAR_CONFIGURABLE
#define DUK_DEFPROP_CLEAR_WE (DUK_DEFPROP_CLEAR_WRITABLE | DUK_DEFPROP_CLEAR_ENUMERABLE)
#define DUK_DEFPROP_CLEAR_WC (DUK_DEFPROP_CLEAR_WRITABLE | DUK_DEFPROP_CLEAR_CONFIGURABLE)
#define DUK_DEFPROP_CLEAR_EC (DUK_DEFPROP_CLEAR_ENUMERABLE | DUK_DEFPROP_CLEAR_CONFIGURABLE)
#define DUK_DEFPROP_CLEAR_WEC (DUK_DEFPROP_CLEAR_WRITABLE | DUK_DEFPROP_CLEAR_ENUMERABLE | DUK_DEFPROP_CLEAR_CONFIGURABLE)
#define DUK_DEFPROP_ATTR_W (DUK_DEFPROP_HAVE_WEC | DUK_DEFPROP_W)
#define DUK_DEFPROP_ATTR_E (DUK_DEFPROP_HAVE_WEC | DUK_DEFPROP_E)
#define DUK_DEFPROP_ATTR_C (DUK_DEFPROP_HAVE_WEC | DUK_DEFPROP_C)
#define DUK_DEFPROP_ATTR_WE (DUK_DEFPROP_HAVE_WEC | DUK_DEFPROP_WE)
#define DUK_DEFPROP_ATTR_WC (DUK_DEFPROP_HAVE_WEC | DUK_DEFPROP_WC)
#define DUK_DEFPROP_ATTR_EC (DUK_DEFPROP_HAVE_WEC | DUK_DEFPROP_EC)
#define DUK_DEFPROP_ATTR_WEC (DUK_DEFPROP_HAVE_WEC | DUK_DEFPROP_WEC)
/* Flags for duk_push_thread_raw() */
#define DUK_THREAD_NEW_GLOBAL_ENV (1U << 0) /* create a new global environment */
/* Flags for duk_gc() */
#define DUK_GC_COMPACT (1U << 0) /* compact heap objects */
/* Error codes (must be 8 bits at most, see duk_error.h) */
#define DUK_ERR_NONE 0 /* no error (e.g. from duk_get_error_code()) */
#define DUK_ERR_ERROR 1 /* Error */
#define DUK_ERR_EVAL_ERROR 2 /* EvalError */
#define DUK_ERR_RANGE_ERROR 3 /* RangeError */
#define DUK_ERR_REFERENCE_ERROR 4 /* ReferenceError */
#define DUK_ERR_SYNTAX_ERROR 5 /* SyntaxError */
#define DUK_ERR_TYPE_ERROR 6 /* TypeError */
#define DUK_ERR_URI_ERROR 7 /* URIError */
/* Return codes for C functions (shortcut for throwing an 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
/* Debug levels for DUK_USE_DEBUG_WRITE(). */
#define DUK_LEVEL_DEBUG 0
#define DUK_LEVEL_DDEBUG 1
#define DUK_LEVEL_DDDEBUG 2
/*
* Macros to create Symbols as C statically constructed strings.
*
* Call e.g. as DUK_HIDDEN_SYMBOL("myProperty") <=> ("\xFF" "myProperty").
*
* Local symbols have a unique suffix, caller should take care to avoid
* conflicting with the Duktape internal representation by e.g. prepending
* a '!' character: DUK_LOCAL_SYMBOL("myLocal", "!123").
*
* Note that these can only be used for string constants, not dynamically
* created strings.
*
* You shouldn't normally use DUK_INTERNAL_SYMBOL() at all. It is reserved
* for Duktape internal symbols only. There are no versioning guarantees
* for internal symbols.
*/
#define DUK_HIDDEN_SYMBOL(x) ("\xFF" x)
#define DUK_GLOBAL_SYMBOL(x) ("\x80" x)
#define DUK_LOCAL_SYMBOL(x,uniq) ("\x81" x "\xff" uniq)
#define DUK_WELLKNOWN_SYMBOL(x) ("\x81" x "\xff")
#define DUK_INTERNAL_SYMBOL(x) ("\x82" x)
/*
* If no variadic macros, __FILE__ and __LINE__ are passed through globals
* which is ugly and not thread safe.
*/
#if !defined(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);
DUK_EXTERNAL_DECL void duk_suspend(duk_context *ctx, duk_thread_state *state);
DUK_EXTERNAL_DECL void duk_resume(duk_context *ctx, const duk_thread_state *state);
#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_raw(duk_context *ctx));
#define duk_throw(ctx) \
(duk_throw_raw((ctx)), (duk_ret_t) 0)
DUK_API_NORETURN(DUK_EXTERNAL_DECL void duk_fatal_raw(duk_context *ctx, const char *err_msg));
#define duk_fatal(ctx,err_msg) \
(duk_fatal_raw((ctx), (err_msg)), (duk_ret_t) 0)
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, ...));
#if defined(DUK_API_VARIADIC_MACROS)
#define duk_error(ctx,err_code,...) \
(duk_error_raw((ctx), (duk_errcode_t) (err_code), (const char *) (DUK_FILE_MACRO), (duk_int_t) (DUK_LINE_MACRO), __VA_ARGS__), (duk_ret_t) 0)
#define duk_generic_error(ctx,...) \
(duk_error_raw((ctx), (duk_errcode_t) DUK_ERR_ERROR, (const char *) (DUK_FILE_MACRO), (duk_int_t) (DUK_LINE_MACRO), __VA_ARGS__), (duk_ret_t) 0)
#define duk_eval_error(ctx,...) \
(duk_error_raw((ctx), (duk_errcode_t) DUK_ERR_EVAL_ERROR, (const char *) (DUK_FILE_MACRO), (duk_int_t) (DUK_LINE_MACRO), __VA_ARGS__), (duk_ret_t) 0)
#define duk_range_error(ctx,...) \
(duk_error_raw((ctx), (duk_errcode_t) DUK_ERR_RANGE_ERROR, (const char *) (DUK_FILE_MACRO), (duk_int_t) (DUK_LINE_MACRO), __VA_ARGS__), (duk_ret_t) 0)
#define duk_reference_error(ctx,...) \
(duk_error_raw((ctx), (duk_errcode_t) DUK_ERR_REFERENCE_ERROR, (const char *) (DUK_FILE_MACRO), (duk_int_t) (DUK_LINE_MACRO), __VA_ARGS__), (duk_ret_t) 0)
#define duk_syntax_error(ctx,...) \
(duk_error_raw((ctx), (duk_errcode_t) DUK_ERR_SYNTAX_ERROR, (const char *) (DUK_FILE_MACRO), (duk_int_t) (DUK_LINE_MACRO), __VA_ARGS__), (duk_ret_t) 0)
#define duk_type_error(ctx,...) \
(duk_error_raw((ctx), (duk_errcode_t) DUK_ERR_TYPE_ERROR, (const char *) (DUK_FILE_MACRO), (duk_int_t) (DUK_LINE_MACRO), __VA_ARGS__), (duk_ret_t) 0)
#define duk_uri_error(ctx,...) \
(duk_error_raw((ctx), (duk_errcode_t) DUK_ERR_URI_ERROR, (const char *) (DUK_FILE_MACRO), (duk_int_t) (DUK_LINE_MACRO), __VA_ARGS__), (duk_ret_t) 0)
#else /* DUK_API_VARIADIC_MACROS */
/* For legacy compilers without variadic macros a macro hack is used to allow
* variable arguments. While the macro allows "return duk_error(...)", it
* will fail with e.g. "(void) duk_error(...)". The calls are noreturn but
* with a return value to allow the "return duk_error(...)" idiom. This may
* cause some compiler warnings, but without noreturn the generated code is
* often worse. The same approach as with variadic macros (using
* "(duk_error(...), 0)") won't work due to the macro hack structure.
*/
DUK_API_NORETURN(DUK_EXTERNAL_DECL duk_ret_t duk_error_stash(duk_context *ctx, duk_errcode_t err_code, const char *fmt, ...));
DUK_API_NORETURN(DUK_EXTERNAL_DECL duk_ret_t duk_generic_error_stash(duk_context *ctx, const char *fmt, ...));
DUK_API_NORETURN(DUK_EXTERNAL_DECL duk_ret_t duk_eval_error_stash(duk_context *ctx, const char *fmt, ...));
DUK_API_NORETURN(DUK_EXTERNAL_DECL duk_ret_t duk_range_error_stash(duk_context *ctx, const char *fmt, ...));
DUK_API_NORETURN(DUK_EXTERNAL_DECL duk_ret_t duk_reference_error_stash(duk_context *ctx, const char *fmt, ...));
DUK_API_NORETURN(DUK_EXTERNAL_DECL duk_ret_t duk_syntax_error_stash(duk_context *ctx, const char *fmt, ...));
DUK_API_NORETURN(DUK_EXTERNAL_DECL duk_ret_t duk_type_error_stash(duk_context *ctx, const char *fmt, ...));
DUK_API_NORETURN(DUK_EXTERNAL_DECL duk_ret_t duk_uri_error_stash(duk_context *ctx, const char *fmt, ...));
#define duk_error \
(duk_api_global_filename = (const char *) (DUK_FILE_MACRO), \
duk_api_global_line = (duk_int_t) (DUK_LINE_MACRO), \
duk_error_stash) /* last value is func pointer, arguments follow in parens */
#define duk_generic_error \
(duk_api_global_filename = (const char *) (DUK_FILE_MACRO), \
duk_api_global_line = (duk_int_t) (DUK_LINE_MACRO), \
duk_generic_error_stash)
#define duk_eval_error \
(duk_api_global_filename = (const char *) (DUK_FILE_MACRO), \
duk_api_global_line = (duk_int_t) (DUK_LINE_MACRO), \
duk_eval_error_stash)
#define duk_range_error \
(duk_api_global_filename = (const char *) (DUK_FILE_MACRO), \
duk_api_global_line = (duk_int_t) (DUK_LINE_MACRO), \
duk_range_error_stash)
#define duk_reference_error \
(duk_api_global_filename = (const char *) (DUK_FILE_MACRO), \
duk_api_global_line = (duk_int_t) (DUK_LINE_MACRO), \
duk_reference_error_stash)
#define duk_syntax_error \
(duk_api_global_filename = (const char *) (DUK_FILE_MACRO), \
duk_api_global_line = (duk_int_t) (DUK_LINE_MACRO), \
duk_syntax_error_stash)
#define duk_type_error \
(duk_api_global_filename = (const char *) (DUK_FILE_MACRO), \
duk_api_global_line = (duk_int_t) (DUK_LINE_MACRO), \
duk_type_error_stash)
#define duk_uri_error \
(duk_api_global_filename = (const char *) (DUK_FILE_MACRO), \
duk_api_global_line = (duk_int_t) (DUK_LINE_MACRO), \
duk_uri_error_stash)
#endif /* DUK_API_VARIADIC_MACROS */
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 *) (DUK_FILE_MACRO), (duk_int_t) (DUK_LINE_MACRO), (fmt), (ap)), (duk_ret_t) 0)
#define duk_generic_error_va(ctx,fmt,ap) \
(duk_error_va_raw((ctx), (duk_errcode_t) DUK_ERR_ERROR, (const char *) (DUK_FILE_MACRO), (duk_int_t) (DUK_LINE_MACRO), (fmt), (ap)), (duk_ret_t) 0)
#define duk_eval_error_va(ctx,fmt,ap) \
(duk_error_va_raw((ctx), (duk_errcode_t) DUK_ERR_EVAL_ERROR, (const char *) (DUK_FILE_MACRO), (duk_int_t) (DUK_LINE_MACRO), (fmt), (ap)), (duk_ret_t) 0)
#define duk_range_error_va(ctx,fmt,ap) \
(duk_error_va_raw((ctx), (duk_errcode_t) DUK_ERR_RANGE_ERROR, (const char *) (DUK_FILE_MACRO), (duk_int_t) (DUK_LINE_MACRO), (fmt), (ap)), (duk_ret_t) 0)
#define duk_reference_error_va(ctx,fmt,ap) \
(duk_error_va_raw((ctx), (duk_errcode_t) DUK_ERR_REFERENCE_ERROR, (const char *) (DUK_FILE_MACRO), (duk_int_t) (DUK_LINE_MACRO), (fmt), (ap)), (duk_ret_t) 0)
#define duk_syntax_error_va(ctx,fmt,ap) \
(duk_error_va_raw((ctx), (duk_errcode_t) DUK_ERR_SYNTAX_ERROR, (const char *) (DUK_FILE_MACRO), (duk_int_t) (DUK_LINE_MACRO), (fmt), (ap)), (duk_ret_t) 0)
#define duk_type_error_va(ctx,fmt,ap) \
(duk_error_va_raw((ctx), (duk_errcode_t) DUK_ERR_TYPE_ERROR, (const char *) (DUK_FILE_MACRO), (duk_int_t) (DUK_LINE_MACRO), (fmt), (ap)), (duk_ret_t) 0)
#define duk_uri_error_va(ctx,fmt,ap) \
(duk_error_va_raw((ctx), (duk_errcode_t) DUK_ERR_URI_ERROR, (const char *) (DUK_FILE_MACRO), (duk_int_t) (DUK_LINE_MACRO), (fmt), (ap)), (duk_ret_t) 0)
/*
* 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 idx);
DUK_EXTERNAL_DECL duk_idx_t duk_require_normalize_index(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_bool_t duk_is_valid_index(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL void duk_require_valid_index(duk_context *ctx, duk_idx_t idx);
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 idx);
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 idx1, duk_idx_t idx2);
DUK_EXTERNAL_DECL void duk_swap_top(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL void duk_dup(duk_context *ctx, duk_idx_t from_idx);
DUK_EXTERNAL_DECL void duk_dup_top(duk_context *ctx);
DUK_EXTERNAL_DECL void duk_insert(duk_context *ctx, duk_idx_t to_idx);
DUK_EXTERNAL_DECL void duk_pull(duk_context *ctx, duk_idx_t from_idx);
DUK_EXTERNAL_DECL void duk_replace(duk_context *ctx, duk_idx_t to_idx);
DUK_EXTERNAL_DECL void duk_copy(duk_context *ctx, duk_idx_t from_idx, duk_idx_t to_idx);
DUK_EXTERNAL_DECL void duk_remove(duk_context *ctx, duk_idx_t idx);
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_push_literal() may evaluate its argument (a C string literal) more than
* once on purpose. When speed is preferred, sizeof() avoids an unnecessary
* strlen() at runtime. Sizeof("foo") == 4, so subtract 1. The argument
* must be non-NULL and should not contain internal NUL characters as the
* behavior will then depend on config options.
*/
#if defined(DUK_USE_PREFER_SIZE)
#define duk_push_literal(ctx,cstring) duk_push_string((ctx), (cstring))
#else
DUK_EXTERNAL_DECL const char *duk_push_literal_raw(duk_context *ctx, const char *str, duk_size_t len);
#define duk_push_literal(ctx,cstring) duk_push_literal_raw((ctx), (cstring), sizeof((cstring)) - 1U)
#endif
DUK_EXTERNAL_DECL void duk_push_this(duk_context *ctx);
DUK_EXTERNAL_DECL void duk_push_new_target(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_bare_object(duk_context *ctx);
DUK_EXTERNAL_DECL duk_idx_t duk_push_array(duk_context *ctx);
DUK_EXTERNAL_DECL duk_idx_t duk_push_bare_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);
DUK_EXTERNAL_DECL duk_idx_t duk_push_proxy(duk_context *ctx, duk_uint_t proxy_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, ...);
#if defined(DUK_API_VARIADIC_MACROS)
#define duk_push_error_object(ctx,err_code,...) \
duk_push_error_object_raw((ctx), (err_code), (const char *) (DUK_FILE_MACRO), (duk_int_t) (DUK_LINE_MACRO), __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 *) (DUK_FILE_MACRO), \
duk_api_global_line = (duk_int_t) (DUK_LINE_MACRO), \
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 *) (DUK_FILE_MACRO), (duk_int_t) (DUK_LINE_MACRO), (fmt), (ap))
#define DUK_BUF_FLAG_DYNAMIC (1 << 0) /* internal flag: dynamic buffer */
#define DUK_BUF_FLAG_EXTERNAL (1 << 1) /* internal flag: external buffer */
#define DUK_BUF_FLAG_NOZERO (1 << 2) /* internal flag: don't zero allocated buffer */
DUK_EXTERNAL_DECL void *duk_push_buffer_raw(duk_context *ctx, duk_size_t size, duk_small_uint_t flags);
#define duk_push_buffer(ctx,size,dynamic) \
duk_push_buffer_raw((ctx), (size), (dynamic) ? DUK_BUF_FLAG_DYNAMIC : 0)
#define duk_push_fixed_buffer(ctx,size) \
duk_push_buffer_raw((ctx), (size), 0 /*flags*/)
#define duk_push_dynamic_buffer(ctx,size) \
duk_push_buffer_raw((ctx), (size), DUK_BUF_FLAG_DYNAMIC /*flags*/)
#define duk_push_external_buffer(ctx) \
((void) duk_push_buffer_raw((ctx), 0, DUK_BUF_FLAG_DYNAMIC | DUK_BUF_FLAG_EXTERNAL))
#define DUK_BUFOBJ_ARRAYBUFFER 0
#define DUK_BUFOBJ_NODEJS_BUFFER 1
#define DUK_BUFOBJ_DATAVIEW 2
#define DUK_BUFOBJ_INT8ARRAY 3
#define DUK_BUFOBJ_UINT8ARRAY 4
#define DUK_BUFOBJ_UINT8CLAMPEDARRAY 5
#define DUK_BUFOBJ_INT16ARRAY 6
#define DUK_BUFOBJ_UINT16ARRAY 7
#define DUK_BUFOBJ_INT32ARRAY 8
#define DUK_BUFOBJ_UINT32ARRAY 9
#define DUK_BUFOBJ_FLOAT32ARRAY 10
#define DUK_BUFOBJ_FLOAT64ARRAY 11
DUK_EXTERNAL_DECL void duk_push_buffer_object(duk_context *ctx, duk_idx_t idx_buffer, duk_size_t byte_offset, duk_size_t byte_length, duk_uint_t flags);
DUK_EXTERNAL_DECL duk_idx_t duk_push_heapptr(duk_context *ctx, void *ptr);
/*
* Pop operations
*/
DUK_EXTERNAL_DECL void duk_pop(duk_context *ctx);
DUK_EXTERNAL_DECL void duk_pop_n(duk_context *ctx, duk_idx_t count);
DUK_EXTERNAL_DECL void duk_pop_2(duk_context *ctx);
DUK_EXTERNAL_DECL void duk_pop_3(duk_context *ctx);
/*
* Type checks
*
* duk_is_none(), which would indicate whether index it outside of stack,
* is not needed; duk_is_valid_index() gives the same information.
*/
DUK_EXTERNAL_DECL duk_int_t duk_get_type(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_bool_t duk_check_type(duk_context *ctx, duk_idx_t idx, duk_int_t type);
DUK_EXTERNAL_DECL duk_uint_t duk_get_type_mask(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_bool_t duk_check_type_mask(duk_context *ctx, duk_idx_t idx, duk_uint_t mask);
DUK_EXTERNAL_DECL duk_bool_t duk_is_undefined(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_bool_t duk_is_null(duk_context *ctx, duk_idx_t idx);
#define duk_is_null_or_undefined(ctx, idx) \
((duk_get_type_mask((ctx), (idx)) & (DUK_TYPE_MASK_NULL | DUK_TYPE_MASK_UNDEFINED)) ? 1 : 0)
DUK_EXTERNAL_DECL duk_bool_t duk_is_boolean(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_bool_t duk_is_number(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_bool_t duk_is_nan(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_bool_t duk_is_string(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_bool_t duk_is_object(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_bool_t duk_is_buffer(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_bool_t duk_is_buffer_data(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_bool_t duk_is_pointer(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_bool_t duk_is_lightfunc(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_bool_t duk_is_symbol(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_bool_t duk_is_array(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_bool_t duk_is_function(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_bool_t duk_is_c_function(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_bool_t duk_is_ecmascript_function(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_bool_t duk_is_bound_function(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_bool_t duk_is_thread(duk_context *ctx, duk_idx_t idx);
#define duk_is_callable(ctx,idx) \
duk_is_function((ctx), (idx))
DUK_EXTERNAL_DECL duk_bool_t duk_is_constructable(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_bool_t duk_is_dynamic_buffer(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_bool_t duk_is_fixed_buffer(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_bool_t duk_is_external_buffer(duk_context *ctx, duk_idx_t idx);
/* Buffers and lightfuncs are not considered primitive because they mimic
* objects and e.g. duk_to_primitive() will coerce them instead of returning
* them as is. Symbols are represented as strings internally.
*/
#define duk_is_primitive(ctx,idx) \
duk_check_type_mask((ctx), (idx), DUK_TYPE_MASK_UNDEFINED | \
DUK_TYPE_MASK_NULL | \
DUK_TYPE_MASK_BOOLEAN | \
DUK_TYPE_MASK_NUMBER | \
DUK_TYPE_MASK_STRING | \
DUK_TYPE_MASK_POINTER)
/* Symbols are object coercible, covered by DUK_TYPE_MASK_STRING. */
#define duk_is_object_coercible(ctx,idx) \
duk_check_type_mask((ctx), (idx), 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 idx);
#define duk_is_error(ctx,idx) \
(duk_get_error_code((ctx), (idx)) != 0)
#define duk_is_eval_error(ctx,idx) \
(duk_get_error_code((ctx), (idx)) == DUK_ERR_EVAL_ERROR)
#define duk_is_range_error(ctx,idx) \
(duk_get_error_code((ctx), (idx)) == DUK_ERR_RANGE_ERROR)
#define duk_is_reference_error(ctx,idx) \
(duk_get_error_code((ctx), (idx)) == DUK_ERR_REFERENCE_ERROR)
#define duk_is_syntax_error(ctx,idx) \
(duk_get_error_code((ctx), (idx)) == DUK_ERR_SYNTAX_ERROR)
#define duk_is_type_error(ctx,idx) \
(duk_get_error_code((ctx), (idx)) == DUK_ERR_TYPE_ERROR)
#define duk_is_uri_error(ctx,idx) \
(duk_get_error_code((ctx), (idx)) == DUK_ERR_URI_ERROR)
/*
* 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 idx);
DUK_EXTERNAL_DECL duk_double_t duk_get_number(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_int_t duk_get_int(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_uint_t duk_get_uint(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL const char *duk_get_string(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL const char *duk_get_lstring(duk_context *ctx, duk_idx_t idx, duk_size_t *out_len);
DUK_EXTERNAL_DECL void *duk_get_buffer(duk_context *ctx, duk_idx_t idx, duk_size_t *out_size);
DUK_EXTERNAL_DECL void *duk_get_buffer_data(duk_context *ctx, duk_idx_t idx, duk_size_t *out_size);
DUK_EXTERNAL_DECL void *duk_get_pointer(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_c_function duk_get_c_function(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_context *duk_get_context(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL void *duk_get_heapptr(duk_context *ctx, duk_idx_t idx);
/*
* Get-with-explicit default operations: like get operations but with an
* explicit default value.
*/
DUK_EXTERNAL_DECL duk_bool_t duk_get_boolean_default(duk_context *ctx, duk_idx_t idx, duk_bool_t def_value);
DUK_EXTERNAL_DECL duk_double_t duk_get_number_default(duk_context *ctx, duk_idx_t idx, duk_double_t def_value);
DUK_EXTERNAL_DECL duk_int_t duk_get_int_default(duk_context *ctx, duk_idx_t idx, duk_int_t def_value);
DUK_EXTERNAL_DECL duk_uint_t duk_get_uint_default(duk_context *ctx, duk_idx_t idx, duk_uint_t def_value);
DUK_EXTERNAL_DECL const char *duk_get_string_default(duk_context *ctx, duk_idx_t idx, const char *def_value);
DUK_EXTERNAL_DECL const char *duk_get_lstring_default(duk_context *ctx, duk_idx_t idx, duk_size_t *out_len, const char *def_ptr, duk_size_t def_len);
DUK_EXTERNAL_DECL void *duk_get_buffer_default(duk_context *ctx, duk_idx_t idx, duk_size_t *out_size, void *def_ptr, duk_size_t def_len);
DUK_EXTERNAL_DECL void *duk_get_buffer_data_default(duk_context *ctx, duk_idx_t idx, duk_size_t *out_size, void *def_ptr, duk_size_t def_len);
DUK_EXTERNAL_DECL void *duk_get_pointer_default(duk_context *ctx, duk_idx_t idx, void *def_value);
DUK_EXTERNAL_DECL duk_c_function duk_get_c_function_default(duk_context *ctx, duk_idx_t idx, duk_c_function def_value);
DUK_EXTERNAL_DECL duk_context *duk_get_context_default(duk_context *ctx, duk_idx_t idx, duk_context *def_value);
DUK_EXTERNAL_DECL void *duk_get_heapptr_default(duk_context *ctx, duk_idx_t idx, void *def_value);
/*
* Opt operations: like require operations but with an explicit default value
* when value is undefined or index is invalid, null and non-matching types
* cause a TypeError.
*/
DUK_EXTERNAL_DECL duk_bool_t duk_opt_boolean(duk_context *ctx, duk_idx_t idx, duk_bool_t def_value);
DUK_EXTERNAL_DECL duk_double_t duk_opt_number(duk_context *ctx, duk_idx_t idx, duk_double_t def_value);
DUK_EXTERNAL_DECL duk_int_t duk_opt_int(duk_context *ctx, duk_idx_t idx, duk_int_t def_value);
DUK_EXTERNAL_DECL duk_uint_t duk_opt_uint(duk_context *ctx, duk_idx_t idx, duk_uint_t def_value);
DUK_EXTERNAL_DECL const char *duk_opt_string(duk_context *ctx, duk_idx_t idx, const char *def_ptr);
DUK_EXTERNAL_DECL const char *duk_opt_lstring(duk_context *ctx, duk_idx_t idx, duk_size_t *out_len, const char *def_ptr, duk_size_t def_len);
DUK_EXTERNAL_DECL void *duk_opt_buffer(duk_context *ctx, duk_idx_t idx, duk_size_t *out_size, void *def_ptr, duk_size_t def_size);
DUK_EXTERNAL_DECL void *duk_opt_buffer_data(duk_context *ctx, duk_idx_t idx, duk_size_t *out_size, void *def_ptr, duk_size_t def_size);
DUK_EXTERNAL_DECL void *duk_opt_pointer(duk_context *ctx, duk_idx_t idx, void *def_value);
DUK_EXTERNAL_DECL duk_c_function duk_opt_c_function(duk_context *ctx, duk_idx_t idx, duk_c_function def_value);
DUK_EXTERNAL_DECL duk_context *duk_opt_context(duk_context *ctx, duk_idx_t idx, duk_context *def_value);
DUK_EXTERNAL_DECL void *duk_opt_heapptr(duk_context *ctx, duk_idx_t idx, void *def_value);
/*
* Require operations: no coercion, throw error if index or type
* is incorrect. No defaulting.
*/
#define duk_require_type_mask(ctx,idx,mask) \
((void) duk_check_type_mask((ctx), (idx), (mask) | DUK_TYPE_MASK_THROW))
DUK_EXTERNAL_DECL void duk_require_undefined(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL void duk_require_null(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_bool_t duk_require_boolean(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_double_t duk_require_number(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_int_t duk_require_int(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_uint_t duk_require_uint(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL const char *duk_require_string(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL const char *duk_require_lstring(duk_context *ctx, duk_idx_t idx, duk_size_t *out_len);
DUK_EXTERNAL_DECL void duk_require_object(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL void *duk_require_buffer(duk_context *ctx, duk_idx_t idx, duk_size_t *out_size);
DUK_EXTERNAL_DECL void *duk_require_buffer_data(duk_context *ctx, duk_idx_t idx, duk_size_t *out_size);
DUK_EXTERNAL_DECL void *duk_require_pointer(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_c_function duk_require_c_function(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_context *duk_require_context(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL void duk_require_function(duk_context *ctx, duk_idx_t idx);
#define duk_require_callable(ctx,idx) \
duk_require_function((ctx), (idx))
DUK_EXTERNAL_DECL void duk_require_constructor_call(duk_context *ctx);
DUK_EXTERNAL_DECL void duk_require_constructable(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL void *duk_require_heapptr(duk_context *ctx, duk_idx_t idx);
/* Symbols are object coercible and covered by DUK_TYPE_MASK_STRING. */
#define duk_require_object_coercible(ctx,idx) \
((void) duk_check_type_mask((ctx), (idx), 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 idx);
DUK_EXTERNAL_DECL void duk_to_null(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_bool_t duk_to_boolean(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_double_t duk_to_number(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_int_t duk_to_int(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_uint_t duk_to_uint(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_int32_t duk_to_int32(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_uint32_t duk_to_uint32(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_uint16_t duk_to_uint16(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL const char *duk_to_string(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL const char *duk_to_lstring(duk_context *ctx, duk_idx_t idx, duk_size_t *out_len);
DUK_EXTERNAL_DECL void *duk_to_buffer_raw(duk_context *ctx, duk_idx_t idx, duk_size_t *out_size, duk_uint_t flags);
DUK_EXTERNAL_DECL void *duk_to_pointer(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL void duk_to_object(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL void duk_to_primitive(duk_context *ctx, duk_idx_t idx, duk_int_t hint);