2 * Duktape public API for Duktape 2.3.0.
4 * See the API reference for documentation on call semantics. The exposed,
5 * supported API is between the "BEGIN PUBLIC API" and "END PUBLIC API"
6 * comments. Other parts of the header are Duktape internal and related to
7 * e.g. platform/compiler/feature detection.
9 * Git commit d7fdb67f18561a50e06bafd196c6b423af9ad6fe (v2.3.0).
12 * See Duktape AUTHORS.rst and LICENSE.txt for copyright and
13 * licensing information.
22 * (http://opensource.org/licenses/MIT)
24 * Copyright (c) 2013-2018 by Duktape authors (see AUTHORS.rst)
26 * Permission is hereby granted, free of charge, to any person obtaining a copy
27 * of this software and associated documentation files (the "Software"), to deal
28 * in the Software without restriction, including without limitation the rights
29 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
30 * copies of the Software, and to permit persons to whom the Software is
31 * furnished to do so, subject to the following conditions:
33 * The above copyright notice and this permission notice shall be included in
34 * all copies or substantial portions of the Software.
36 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
37 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
38 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
39 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
40 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
41 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
54 * Duktape copyrights are held by its authors. Each author has a copyright
55 * to their contribution, and agrees to irrevocably license the contribution
56 * under the Duktape ``LICENSE.txt``.
61 * Please include an e-mail address, a link to your GitHub profile, or something
62 * similar to allow your contribution to be identified accurately.
64 * The following people have contributed code, website contents, or Wiki contents,
65 * and agreed to irrevocably license their contributions under the Duktape
66 * ``LICENSE.txt`` (in order of appearance):
68 * * Sami Vaarala <sami.vaarala@iki.fi>
70 * * Andreas \u00d6man <andreas@lonelycoder.com>
71 * * L\u00e1szl\u00f3 Lang\u00f3 <llango.u-szeged@partner.samsung.com>
72 * * Legimet <legimet.calc@gmail.com>
73 * * Karl Skomski <karl@skomski.com>
74 * * Bruce Pascoe <fatcerberus1@gmail.com>
75 * * Ren\u00e9 Hollander <rene@rene8888.at>
76 * * Julien Hamaide (https://github.com/crazyjul)
77 * * Sebastian G\u00f6tte (https://github.com/jaseg)
78 * * Tomasz Magulski (https://github.com/magul)
79 * * \D. Bohdan (https://github.com/dbohdan)
80 * * Ond\u0159ej Jirman (https://github.com/megous)
81 * * Sa\u00fal Ibarra Corretg\u00e9 <saghul@gmail.com>
82 * * Jeremy HU <huxingyi@msn.com>
83 * * Ole Andr\u00e9 Vadla Ravn\u00e5s (https://github.com/oleavr)
84 * * Harold Brenes (https://github.com/harold-b)
85 * * Oliver Crow (https://github.com/ocrow)
86 * * Jakub Ch\u0142api\u0144ski (https://github.com/jchlapinski)
87 * * Brett Vickers (https://github.com/beevik)
88 * * Dominik Okwieka (https://github.com/okitec)
89 * * Remko Tron\u00e7on (https://el-tramo.be)
90 * * Romero Malaquias (rbsm@ic.ufal.br)
91 * * Michael Drake <michael.drake@codethink.co.uk>
92 * * Steven Don (https://github.com/shdon)
93 * * Simon Stone (https://github.com/sstone1)
94 * * \J. McC. (https://github.com/jmhmccr)
95 * * Jakub Nowakowski (https://github.com/jimvonmoon)
96 * * Tommy Nguyen (https://github.com/tn0502)
97 * * Fabrice Fontaine (https://github.com/ffontaine)
98 * * Christopher Hiller (https://github.com/boneskull)
99 * * Gonzalo Diethelm (https://github.com/gonzus)
100 * * Michal Kasperek (https://github.com/michalkas)
101 * * Andrew Janke (https://github.com/apjanke)
102 * * Steve Fan (https://github.com/stevefan1999)
104 * Other contributions
105 * ===================
107 * The following people have contributed something other than code (e.g. reported
108 * bugs, provided ideas, etc; roughly in order of appearance):
113 * * Aur\u00e9lien Bouilland
114 * * Preet Desai (Pris Matic)
115 * * judofyr (http://www.reddit.com/user/judofyr)
117 * * Micha\u0142 Przyby\u015b
121 * * Rajaran Gaunker (https://github.com/zimbabao)
122 * * Andreas \u00d6man
124 * * Josh Engebretson (https://github.com/JoshEngebretson)
125 * * Remo Eichenberger (https://github.com/remoe)
126 * * Mamod Mehyar (https://github.com/mamod)
127 * * David Demelier (https://github.com/markand)
128 * * Tim Caswell (https://github.com/creationix)
129 * * Mitchell Blank Jr (https://github.com/mitchblank)
130 * * https://github.com/yushli
131 * * Seo Sanghyeon (https://github.com/sanxiyn)
132 * * Han ChoongWoo (https://github.com/tunz)
133 * * Joshua Peek (https://github.com/josh)
134 * * Bruce E. Pascoe (https://github.com/fatcerberus)
135 * * https://github.com/Kelledin
136 * * https://github.com/sstruchtrup
137 * * Michael Drake (https://github.com/tlsa)
138 * * https://github.com/chris-y
139 * * Laurent Zubiaur (https://github.com/lzubiaur)
140 * * Neil Kolban (https://github.com/nkolban)
141 * * Wilhelm Wanecek (https://github.com/wanecek)
142 * * Andrew Janke (https://github.com/apjanke)
144 * If you are accidentally missing from this list, send me an e-mail
145 * (``sami.vaarala@iki.fi``) and I'll fix the omission.
148 #if !defined(DUKTAPE_H_INCLUDED)
149 #define DUKTAPE_H_INCLUDED
151 #define DUK_SINGLE_FILE
158 * Version and Git commit identification
161 /* Duktape version, (major * 10000) + (minor * 100) + patch. Allows C code
162 * to #if (DUK_VERSION >= NNN) against Duktape API version. The same value
163 * is also available to ECMAScript code in Duktape.version. Unofficial
164 * development snapshots have 99 for patch level (e.g. 0.10.99 would be a
165 * development version after 0.10.0 but before the next official release).
167 #define DUK_VERSION 20300L
169 /* Git commit, describe, and branch for Duktape build. Useful for
170 * non-official snapshot builds so that application code can easily log
171 * which Duktape snapshot was used. Not available in the ECMAScript
174 #define DUK_GIT_COMMIT "d7fdb67f18561a50e06bafd196c6b423af9ad6fe"
175 #define DUK_GIT_DESCRIBE "v2.3.0"
176 #define DUK_GIT_BRANCH "master"
178 /* External duk_config.h provides platform/compiler/OS dependent
179 * typedefs and macros, and DUK_USE_xxx config options so that
180 * the rest of Duktape doesn't need to do any feature detection.
181 * DUK_VERSION is defined before including so that configuration
182 * snippets can react to it.
184 #include "duk_config.h"
187 * Avoid C++ name mangling
190 #if defined(__cplusplus)
195 * Some defines forwarded from feature detection
198 #undef DUK_API_VARIADIC_MACROS
199 #if defined(DUK_USE_VARIADIC_MACROS)
200 #define DUK_API_VARIADIC_MACROS
203 #define DUK_API_NORETURN(decl) DUK_NORETURN(decl)
206 * Public API specific typedefs
208 * Many types are wrapped by Duktape for portability to rare platforms
209 * where e.g. 'int' is a 16-bit type. See practical typing discussion
210 * in Duktape web documentation.
213 struct duk_thread_state;
214 struct duk_memory_functions;
215 struct duk_function_list_entry;
216 struct duk_number_list_entry;
217 struct duk_time_components;
219 /* duk_context is now defined in duk_config.h because it may also be
220 * referenced there by prototypes.
222 typedef struct duk_thread_state duk_thread_state;
223 typedef struct duk_memory_functions duk_memory_functions;
224 typedef struct duk_function_list_entry duk_function_list_entry;
225 typedef struct duk_number_list_entry duk_number_list_entry;
226 typedef struct duk_time_components duk_time_components;
228 typedef duk_ret_t (*duk_c_function)(duk_context *ctx);
229 typedef void *(*duk_alloc_function) (void *udata, duk_size_t size);
230 typedef void *(*duk_realloc_function) (void *udata, void *ptr, duk_size_t size);
231 typedef void (*duk_free_function) (void *udata, void *ptr);
232 typedef void (*duk_fatal_function) (void *udata, const char *msg);
233 typedef void (*duk_decode_char_function) (void *udata, duk_codepoint_t codepoint);
234 typedef duk_codepoint_t (*duk_map_char_function) (void *udata, duk_codepoint_t codepoint);
235 typedef duk_ret_t (*duk_safe_call_function) (duk_context *ctx, void *udata);
236 typedef duk_size_t (*duk_debug_read_function) (void *udata, char *buffer, duk_size_t length);
237 typedef duk_size_t (*duk_debug_write_function) (void *udata, const char *buffer, duk_size_t length);
238 typedef duk_size_t (*duk_debug_peek_function) (void *udata);
239 typedef void (*duk_debug_read_flush_function) (void *udata);
240 typedef void (*duk_debug_write_flush_function) (void *udata);
241 typedef duk_idx_t (*duk_debug_request_function) (duk_context *ctx, void *udata, duk_idx_t nvalues);
242 typedef void (*duk_debug_detached_function) (duk_context *ctx, void *udata);
244 struct duk_thread_state {
245 /* XXX: Enough space to hold internal suspend/resume structure.
246 * This is rather awkward and to be fixed when the internal
247 * structure is visible for the public API header.
252 struct duk_memory_functions {
253 duk_alloc_function alloc_func;
254 duk_realloc_function realloc_func;
255 duk_free_function free_func;
259 struct duk_function_list_entry {
261 duk_c_function value;
265 struct duk_number_list_entry {
270 struct duk_time_components {
271 duk_double_t year; /* year, e.g. 2016, ECMAScript year range */
272 duk_double_t month; /* month: 1-12 */
273 duk_double_t day; /* day: 1-31 */
274 duk_double_t hours; /* hour: 0-59 */
275 duk_double_t minutes; /* minute: 0-59 */
276 duk_double_t seconds; /* second: 0-59 (in POSIX time no leap second) */
277 duk_double_t milliseconds; /* may contain sub-millisecond fractions */
278 duk_double_t weekday; /* weekday: 0-6, 0=Sunday, 1=Monday, ..., 6=Saturday */
285 /* Duktape debug protocol version used by this build. */
286 #define DUK_DEBUG_PROTOCOL_VERSION 2
288 /* Used to represent invalid index; if caller uses this without checking,
289 * this index will map to a non-existent stack entry. Also used in some
290 * API calls as a marker to denote "no value".
292 #define DUK_INVALID_INDEX DUK_IDX_MIN
294 /* Indicates that a native function does not have a fixed number of args,
295 * and the argument stack should not be capped/extended at all.
297 #define DUK_VARARGS ((duk_int_t) (-1))
299 /* Number of value stack entries (in addition to actual call arguments)
300 * guaranteed to be allocated on entry to a Duktape/C function.
302 #define DUK_API_ENTRY_STACK 64U
304 /* Value types, used by e.g. duk_get_type() */
305 #define DUK_TYPE_MIN 0U
306 #define DUK_TYPE_NONE 0U /* no value, e.g. invalid index */
307 #define DUK_TYPE_UNDEFINED 1U /* ECMAScript undefined */
308 #define DUK_TYPE_NULL 2U /* ECMAScript null */
309 #define DUK_TYPE_BOOLEAN 3U /* ECMAScript boolean: 0 or 1 */
310 #define DUK_TYPE_NUMBER 4U /* ECMAScript number: double */
311 #define DUK_TYPE_STRING 5U /* ECMAScript string: CESU-8 / extended UTF-8 encoded */
312 #define DUK_TYPE_OBJECT 6U /* ECMAScript object: includes objects, arrays, functions, threads */
313 #define DUK_TYPE_BUFFER 7U /* fixed or dynamic, garbage collected byte buffer */
314 #define DUK_TYPE_POINTER 8U /* raw void pointer */
315 #define DUK_TYPE_LIGHTFUNC 9U /* lightweight function pointer */
316 #define DUK_TYPE_MAX 9U
318 /* Value mask types, used by e.g. duk_get_type_mask() */
319 #define DUK_TYPE_MASK_NONE (1U << DUK_TYPE_NONE)
320 #define DUK_TYPE_MASK_UNDEFINED (1U << DUK_TYPE_UNDEFINED)
321 #define DUK_TYPE_MASK_NULL (1U << DUK_TYPE_NULL)
322 #define DUK_TYPE_MASK_BOOLEAN (1U << DUK_TYPE_BOOLEAN)
323 #define DUK_TYPE_MASK_NUMBER (1U << DUK_TYPE_NUMBER)
324 #define DUK_TYPE_MASK_STRING (1U << DUK_TYPE_STRING)
325 #define DUK_TYPE_MASK_OBJECT (1U << DUK_TYPE_OBJECT)
326 #define DUK_TYPE_MASK_BUFFER (1U << DUK_TYPE_BUFFER)
327 #define DUK_TYPE_MASK_POINTER (1U << DUK_TYPE_POINTER)
328 #define DUK_TYPE_MASK_LIGHTFUNC (1U << DUK_TYPE_LIGHTFUNC)
329 #define DUK_TYPE_MASK_THROW (1U << 10) /* internal flag value: throw if mask doesn't match */
330 #define DUK_TYPE_MASK_PROMOTE (1U << 11) /* internal flag value: promote to object if mask matches */
333 #define DUK_HINT_NONE 0 /* prefer number, unless input is a Date, in which
334 * case prefer string (E5 Section 8.12.8)
336 #define DUK_HINT_STRING 1 /* prefer string */
337 #define DUK_HINT_NUMBER 2 /* prefer number */
339 /* Enumeration flags for duk_enum() */
340 #define DUK_ENUM_INCLUDE_NONENUMERABLE (1U << 0) /* enumerate non-numerable properties in addition to enumerable */
341 #define DUK_ENUM_INCLUDE_HIDDEN (1U << 1) /* enumerate hidden symbols too (in Duktape 1.x called internal properties) */
342 #define DUK_ENUM_INCLUDE_SYMBOLS (1U << 2) /* enumerate symbols */
343 #define DUK_ENUM_EXCLUDE_STRINGS (1U << 3) /* exclude strings */
344 #define DUK_ENUM_OWN_PROPERTIES_ONLY (1U << 4) /* don't walk prototype chain, only check own properties */
345 #define DUK_ENUM_ARRAY_INDICES_ONLY (1U << 5) /* only enumerate array indices */
346 /* XXX: misleading name */
347 #define DUK_ENUM_SORT_ARRAY_INDICES (1U << 6) /* sort array indices (applied to full enumeration result, including inherited array indices); XXX: misleading name */
348 #define DUK_ENUM_NO_PROXY_BEHAVIOR (1U << 7) /* enumerate a proxy object itself without invoking proxy behavior */
350 /* Compilation flags for duk_compile() and duk_eval() */
351 /* DUK_COMPILE_xxx bits 0-2 are reserved for an internal 'nargs' argument.
353 #define DUK_COMPILE_EVAL (1U << 3) /* compile eval code (instead of global code) */
354 #define DUK_COMPILE_FUNCTION (1U << 4) /* compile function code (instead of global code) */
355 #define DUK_COMPILE_STRICT (1U << 5) /* use strict (outer) context for global, eval, or function code */
356 #define DUK_COMPILE_SHEBANG (1U << 6) /* allow shebang ('#! ...') comment on first line of source */
357 #define DUK_COMPILE_SAFE (1U << 7) /* (internal) catch compilation errors */
358 #define DUK_COMPILE_NORESULT (1U << 8) /* (internal) omit eval result */
359 #define DUK_COMPILE_NOSOURCE (1U << 9) /* (internal) no source string on stack */
360 #define DUK_COMPILE_STRLEN (1U << 10) /* (internal) take strlen() of src_buffer (avoids double evaluation in macro) */
361 #define DUK_COMPILE_NOFILENAME (1U << 11) /* (internal) no filename on stack */
362 #define DUK_COMPILE_FUNCEXPR (1U << 12) /* (internal) source is a function expression (used for Function constructor) */
364 /* Flags for duk_def_prop() and its variants; base flags + a lot of convenience shorthands */
365 #define DUK_DEFPROP_WRITABLE (1U << 0) /* set writable (effective if DUK_DEFPROP_HAVE_WRITABLE set) */
366 #define DUK_DEFPROP_ENUMERABLE (1U << 1) /* set enumerable (effective if DUK_DEFPROP_HAVE_ENUMERABLE set) */
367 #define DUK_DEFPROP_CONFIGURABLE (1U << 2) /* set configurable (effective if DUK_DEFPROP_HAVE_CONFIGURABLE set) */
368 #define DUK_DEFPROP_HAVE_WRITABLE (1U << 3) /* set/clear writable */
369 #define DUK_DEFPROP_HAVE_ENUMERABLE (1U << 4) /* set/clear enumerable */
370 #define DUK_DEFPROP_HAVE_CONFIGURABLE (1U << 5) /* set/clear configurable */
371 #define DUK_DEFPROP_HAVE_VALUE (1U << 6) /* set value (given on value stack) */
372 #define DUK_DEFPROP_HAVE_GETTER (1U << 7) /* set getter (given on value stack) */
373 #define DUK_DEFPROP_HAVE_SETTER (1U << 8) /* set setter (given on value stack) */
374 #define DUK_DEFPROP_FORCE (1U << 9) /* force change if possible, may still fail for e.g. virtual properties */
375 #define DUK_DEFPROP_SET_WRITABLE (DUK_DEFPROP_HAVE_WRITABLE | DUK_DEFPROP_WRITABLE)
376 #define DUK_DEFPROP_CLEAR_WRITABLE DUK_DEFPROP_HAVE_WRITABLE
377 #define DUK_DEFPROP_SET_ENUMERABLE (DUK_DEFPROP_HAVE_ENUMERABLE | DUK_DEFPROP_ENUMERABLE)
378 #define DUK_DEFPROP_CLEAR_ENUMERABLE DUK_DEFPROP_HAVE_ENUMERABLE
379 #define DUK_DEFPROP_SET_CONFIGURABLE (DUK_DEFPROP_HAVE_CONFIGURABLE | DUK_DEFPROP_CONFIGURABLE)
380 #define DUK_DEFPROP_CLEAR_CONFIGURABLE DUK_DEFPROP_HAVE_CONFIGURABLE
381 #define DUK_DEFPROP_W DUK_DEFPROP_WRITABLE
382 #define DUK_DEFPROP_E DUK_DEFPROP_ENUMERABLE
383 #define DUK_DEFPROP_C DUK_DEFPROP_CONFIGURABLE
384 #define DUK_DEFPROP_WE (DUK_DEFPROP_WRITABLE | DUK_DEFPROP_ENUMERABLE)
385 #define DUK_DEFPROP_WC (DUK_DEFPROP_WRITABLE | DUK_DEFPROP_CONFIGURABLE)
386 #define DUK_DEFPROP_WEC (DUK_DEFPROP_WRITABLE | DUK_DEFPROP_ENUMERABLE | DUK_DEFPROP_CONFIGURABLE)
387 #define DUK_DEFPROP_HAVE_W DUK_DEFPROP_HAVE_WRITABLE
388 #define DUK_DEFPROP_HAVE_E DUK_DEFPROP_HAVE_ENUMERABLE
389 #define DUK_DEFPROP_HAVE_C DUK_DEFPROP_HAVE_CONFIGURABLE
390 #define DUK_DEFPROP_HAVE_WE (DUK_DEFPROP_HAVE_WRITABLE | DUK_DEFPROP_HAVE_ENUMERABLE)
391 #define DUK_DEFPROP_HAVE_WC (DUK_DEFPROP_HAVE_WRITABLE | DUK_DEFPROP_HAVE_CONFIGURABLE)
392 #define DUK_DEFPROP_HAVE_WEC (DUK_DEFPROP_HAVE_WRITABLE | DUK_DEFPROP_HAVE_ENUMERABLE | DUK_DEFPROP_HAVE_CONFIGURABLE)
393 #define DUK_DEFPROP_SET_W DUK_DEFPROP_SET_WRITABLE
394 #define DUK_DEFPROP_SET_E DUK_DEFPROP_SET_ENUMERABLE
395 #define DUK_DEFPROP_SET_C DUK_DEFPROP_SET_CONFIGURABLE
396 #define DUK_DEFPROP_SET_WE (DUK_DEFPROP_SET_WRITABLE | DUK_DEFPROP_SET_ENUMERABLE)
397 #define DUK_DEFPROP_SET_WC (DUK_DEFPROP_SET_WRITABLE | DUK_DEFPROP_SET_CONFIGURABLE)
398 #define DUK_DEFPROP_SET_WEC (DUK_DEFPROP_SET_WRITABLE | DUK_DEFPROP_SET_ENUMERABLE | DUK_DEFPROP_SET_CONFIGURABLE)
399 #define DUK_DEFPROP_CLEAR_W DUK_DEFPROP_CLEAR_WRITABLE
400 #define DUK_DEFPROP_CLEAR_E DUK_DEFPROP_CLEAR_ENUMERABLE
401 #define DUK_DEFPROP_CLEAR_C DUK_DEFPROP_CLEAR_CONFIGURABLE
402 #define DUK_DEFPROP_CLEAR_WE (DUK_DEFPROP_CLEAR_WRITABLE | DUK_DEFPROP_CLEAR_ENUMERABLE)
403 #define DUK_DEFPROP_CLEAR_WC (DUK_DEFPROP_CLEAR_WRITABLE | DUK_DEFPROP_CLEAR_CONFIGURABLE)
404 #define DUK_DEFPROP_CLEAR_WEC (DUK_DEFPROP_CLEAR_WRITABLE | DUK_DEFPROP_CLEAR_ENUMERABLE | DUK_DEFPROP_CLEAR_CONFIGURABLE)
405 #define DUK_DEFPROP_ATTR_W (DUK_DEFPROP_HAVE_WEC | DUK_DEFPROP_W)
406 #define DUK_DEFPROP_ATTR_E (DUK_DEFPROP_HAVE_WEC | DUK_DEFPROP_E)
407 #define DUK_DEFPROP_ATTR_C (DUK_DEFPROP_HAVE_WEC | DUK_DEFPROP_C)
408 #define DUK_DEFPROP_ATTR_WE (DUK_DEFPROP_HAVE_WEC | DUK_DEFPROP_WE)
409 #define DUK_DEFPROP_ATTR_WC (DUK_DEFPROP_HAVE_WEC | DUK_DEFPROP_WC)
410 #define DUK_DEFPROP_ATTR_WEC (DUK_DEFPROP_HAVE_WEC | DUK_DEFPROP_WEC)
412 /* Flags for duk_push_thread_raw() */
413 #define DUK_THREAD_NEW_GLOBAL_ENV (1U << 0) /* create a new global environment */
415 /* Flags for duk_gc() */
416 #define DUK_GC_COMPACT (1U << 0) /* compact heap objects */
418 /* Error codes (must be 8 bits at most, see duk_error.h) */
419 #define DUK_ERR_NONE 0 /* no error (e.g. from duk_get_error_code()) */
420 #define DUK_ERR_ERROR 1 /* Error */
421 #define DUK_ERR_EVAL_ERROR 2 /* EvalError */
422 #define DUK_ERR_RANGE_ERROR 3 /* RangeError */
423 #define DUK_ERR_REFERENCE_ERROR 4 /* ReferenceError */
424 #define DUK_ERR_SYNTAX_ERROR 5 /* SyntaxError */
425 #define DUK_ERR_TYPE_ERROR 6 /* TypeError */
426 #define DUK_ERR_URI_ERROR 7 /* URIError */
428 /* Return codes for C functions (shortcut for throwing an error) */
429 #define DUK_RET_ERROR (-DUK_ERR_ERROR)
430 #define DUK_RET_EVAL_ERROR (-DUK_ERR_EVAL_ERROR)
431 #define DUK_RET_RANGE_ERROR (-DUK_ERR_RANGE_ERROR)
432 #define DUK_RET_REFERENCE_ERROR (-DUK_ERR_REFERENCE_ERROR)
433 #define DUK_RET_SYNTAX_ERROR (-DUK_ERR_SYNTAX_ERROR)
434 #define DUK_RET_TYPE_ERROR (-DUK_ERR_TYPE_ERROR)
435 #define DUK_RET_URI_ERROR (-DUK_ERR_URI_ERROR)
437 /* Return codes for protected calls (duk_safe_call(), duk_pcall()) */
438 #define DUK_EXEC_SUCCESS 0
439 #define DUK_EXEC_ERROR 1
441 /* Debug levels for DUK_USE_DEBUG_WRITE(). */
442 #define DUK_LEVEL_DEBUG 0
443 #define DUK_LEVEL_DDEBUG 1
444 #define DUK_LEVEL_DDDEBUG 2
447 * Macros to create Symbols as C statically constructed strings.
449 * Call e.g. as DUK_HIDDEN_SYMBOL("myProperty") <=> ("\xFF" "myProperty").
450 * Local symbols have a unique suffix, caller should take care to avoid
451 * conflicting with the Duktape internal representation by e.g. prepending
452 * a '!' character: DUK_LOCAL_SYMBOL("myLocal", "!123").
454 * Note that these can only be used for string constants, not dynamically
458 #define DUK_HIDDEN_SYMBOL(x) ("\xFF" x)
459 #define DUK_GLOBAL_SYMBOL(x) ("\x80" x)
460 #define DUK_LOCAL_SYMBOL(x,uniq) ("\x81" x "\xff" uniq)
461 #define DUK_WELLKNOWN_SYMBOL(x) ("\x81" x "\xff")
464 * If no variadic macros, __FILE__ and __LINE__ are passed through globals
465 * which is ugly and not thread safe.
468 #if !defined(DUK_API_VARIADIC_MACROS)
469 DUK_EXTERNAL_DECL const char *duk_api_global_filename;
470 DUK_EXTERNAL_DECL duk_int_t duk_api_global_line;
478 duk_context *duk_create_heap(duk_alloc_function alloc_func,
479 duk_realloc_function realloc_func,
480 duk_free_function free_func,
482 duk_fatal_function fatal_handler);
483 DUK_EXTERNAL_DECL void duk_destroy_heap(duk_context *ctx);
485 DUK_EXTERNAL_DECL void duk_suspend(duk_context *ctx, duk_thread_state *state);
486 DUK_EXTERNAL_DECL void duk_resume(duk_context *ctx, const duk_thread_state *state);
488 #define duk_create_heap_default() \
489 duk_create_heap(NULL, NULL, NULL, NULL, NULL)
494 * Raw functions have no side effects (cannot trigger GC).
497 DUK_EXTERNAL_DECL void *duk_alloc_raw(duk_context *ctx, duk_size_t size);
498 DUK_EXTERNAL_DECL void duk_free_raw(duk_context *ctx, void *ptr);
499 DUK_EXTERNAL_DECL void *duk_realloc_raw(duk_context *ctx, void *ptr, duk_size_t size);
500 DUK_EXTERNAL_DECL void *duk_alloc(duk_context *ctx, duk_size_t size);
501 DUK_EXTERNAL_DECL void duk_free(duk_context *ctx, void *ptr);
502 DUK_EXTERNAL_DECL void *duk_realloc(duk_context *ctx, void *ptr, duk_size_t size);
503 DUK_EXTERNAL_DECL void duk_get_memory_functions(duk_context *ctx, duk_memory_functions *out_funcs);
504 DUK_EXTERNAL_DECL void duk_gc(duk_context *ctx, duk_uint_t flags);
510 DUK_API_NORETURN(DUK_EXTERNAL_DECL void duk_throw_raw(duk_context *ctx));
511 #define duk_throw(ctx) \
512 (duk_throw_raw((ctx)), (duk_ret_t) 0)
513 DUK_API_NORETURN(DUK_EXTERNAL_DECL void duk_fatal_raw(duk_context *ctx, const char *err_msg));
514 #define duk_fatal(ctx,err_msg) \
515 (duk_fatal_raw((ctx), (err_msg)), (duk_ret_t) 0)
516 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, ...));
518 #if defined(DUK_API_VARIADIC_MACROS)
519 #define duk_error(ctx,err_code,...) \
520 (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)
521 #define duk_generic_error(ctx,...) \
522 (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)
523 #define duk_eval_error(ctx,...) \
524 (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)
525 #define duk_range_error(ctx,...) \
526 (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)
527 #define duk_reference_error(ctx,...) \
528 (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)
529 #define duk_syntax_error(ctx,...) \
530 (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)
531 #define duk_type_error(ctx,...) \
532 (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)
533 #define duk_uri_error(ctx,...) \
534 (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)
535 #else /* DUK_API_VARIADIC_MACROS */
536 /* For legacy compilers without variadic macros a macro hack is used to allow
537 * variable arguments. While the macro allows "return duk_error(...)", it
538 * will fail with e.g. "(void) duk_error(...)". The calls are noreturn but
539 * with a return value to allow the "return duk_error(...)" idiom. This may
540 * cause some compiler warnings, but without noreturn the generated code is
541 * often worse. The same approach as with variadic macros (using
542 * "(duk_error(...), 0)") won't work due to the macro hack structure.
544 DUK_API_NORETURN(DUK_EXTERNAL_DECL duk_ret_t duk_error_stash(duk_context *ctx, duk_errcode_t err_code, const char *fmt, ...));
545 DUK_API_NORETURN(DUK_EXTERNAL_DECL duk_ret_t duk_generic_error_stash(duk_context *ctx, const char *fmt, ...));
546 DUK_API_NORETURN(DUK_EXTERNAL_DECL duk_ret_t duk_eval_error_stash(duk_context *ctx, const char *fmt, ...));
547 DUK_API_NORETURN(DUK_EXTERNAL_DECL duk_ret_t duk_range_error_stash(duk_context *ctx, const char *fmt, ...));
548 DUK_API_NORETURN(DUK_EXTERNAL_DECL duk_ret_t duk_reference_error_stash(duk_context *ctx, const char *fmt, ...));
549 DUK_API_NORETURN(DUK_EXTERNAL_DECL duk_ret_t duk_syntax_error_stash(duk_context *ctx, const char *fmt, ...));
550 DUK_API_NORETURN(DUK_EXTERNAL_DECL duk_ret_t duk_type_error_stash(duk_context *ctx, const char *fmt, ...));
551 DUK_API_NORETURN(DUK_EXTERNAL_DECL duk_ret_t duk_uri_error_stash(duk_context *ctx, const char *fmt, ...));
553 (duk_api_global_filename = (const char *) (DUK_FILE_MACRO), \
554 duk_api_global_line = (duk_int_t) (DUK_LINE_MACRO), \
555 duk_error_stash) /* last value is func pointer, arguments follow in parens */
556 #define duk_generic_error \
557 (duk_api_global_filename = (const char *) (DUK_FILE_MACRO), \
558 duk_api_global_line = (duk_int_t) (DUK_LINE_MACRO), \
559 duk_generic_error_stash)
560 #define duk_eval_error \
561 (duk_api_global_filename = (const char *) (DUK_FILE_MACRO), \
562 duk_api_global_line = (duk_int_t) (DUK_LINE_MACRO), \
563 duk_eval_error_stash)
564 #define duk_range_error \
565 (duk_api_global_filename = (const char *) (DUK_FILE_MACRO), \
566 duk_api_global_line = (duk_int_t) (DUK_LINE_MACRO), \
567 duk_range_error_stash)
568 #define duk_reference_error \
569 (duk_api_global_filename = (const char *) (DUK_FILE_MACRO), \
570 duk_api_global_line = (duk_int_t) (DUK_LINE_MACRO), \
571 duk_reference_error_stash)
572 #define duk_syntax_error \
573 (duk_api_global_filename = (const char *) (DUK_FILE_MACRO), \
574 duk_api_global_line = (duk_int_t) (DUK_LINE_MACRO), \
575 duk_syntax_error_stash)
576 #define duk_type_error \
577 (duk_api_global_filename = (const char *) (DUK_FILE_MACRO), \
578 duk_api_global_line = (duk_int_t) (DUK_LINE_MACRO), \
579 duk_type_error_stash)
580 #define duk_uri_error \
581 (duk_api_global_filename = (const char *) (DUK_FILE_MACRO), \
582 duk_api_global_line = (duk_int_t) (DUK_LINE_MACRO), \
584 #endif /* DUK_API_VARIADIC_MACROS */
586 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));
588 #define duk_error_va(ctx,err_code,fmt,ap) \
589 (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)
590 #define duk_generic_error_va(ctx,fmt,ap) \
591 (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)
592 #define duk_eval_error_va(ctx,fmt,ap) \
593 (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)
594 #define duk_range_error_va(ctx,fmt,ap) \
595 (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)
596 #define duk_reference_error_va(ctx,fmt,ap) \
597 (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)
598 #define duk_syntax_error_va(ctx,fmt,ap) \
599 (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)
600 #define duk_type_error_va(ctx,fmt,ap) \
601 (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)
602 #define duk_uri_error_va(ctx,fmt,ap) \
603 (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)
606 * Other state related functions
609 DUK_EXTERNAL_DECL duk_bool_t duk_is_strict_call(duk_context *ctx);
610 DUK_EXTERNAL_DECL duk_bool_t duk_is_constructor_call(duk_context *ctx);
616 DUK_EXTERNAL_DECL duk_idx_t duk_normalize_index(duk_context *ctx, duk_idx_t idx);
617 DUK_EXTERNAL_DECL duk_idx_t duk_require_normalize_index(duk_context *ctx, duk_idx_t idx);
618 DUK_EXTERNAL_DECL duk_bool_t duk_is_valid_index(duk_context *ctx, duk_idx_t idx);
619 DUK_EXTERNAL_DECL void duk_require_valid_index(duk_context *ctx, duk_idx_t idx);
621 DUK_EXTERNAL_DECL duk_idx_t duk_get_top(duk_context *ctx);
622 DUK_EXTERNAL_DECL void duk_set_top(duk_context *ctx, duk_idx_t idx);
623 DUK_EXTERNAL_DECL duk_idx_t duk_get_top_index(duk_context *ctx);
624 DUK_EXTERNAL_DECL duk_idx_t duk_require_top_index(duk_context *ctx);
626 /* Although extra/top could be an unsigned type here, using a signed type
627 * makes the API more robust to calling code calculation errors or corner
628 * cases (where caller might occasionally come up with negative values).
629 * Negative values are treated as zero, which is better than casting them
630 * to a large unsigned number. (This principle is used elsewhere in the
633 DUK_EXTERNAL_DECL duk_bool_t duk_check_stack(duk_context *ctx, duk_idx_t extra);
634 DUK_EXTERNAL_DECL void duk_require_stack(duk_context *ctx, duk_idx_t extra);
635 DUK_EXTERNAL_DECL duk_bool_t duk_check_stack_top(duk_context *ctx, duk_idx_t top);
636 DUK_EXTERNAL_DECL void duk_require_stack_top(duk_context *ctx, duk_idx_t top);
639 * Stack manipulation (other than push/pop)
642 DUK_EXTERNAL_DECL void duk_swap(duk_context *ctx, duk_idx_t idx1, duk_idx_t idx2);
643 DUK_EXTERNAL_DECL void duk_swap_top(duk_context *ctx, duk_idx_t idx);
644 DUK_EXTERNAL_DECL void duk_dup(duk_context *ctx, duk_idx_t from_idx);
645 DUK_EXTERNAL_DECL void duk_dup_top(duk_context *ctx);
646 DUK_EXTERNAL_DECL void duk_insert(duk_context *ctx, duk_idx_t to_idx);
647 DUK_EXTERNAL_DECL void duk_replace(duk_context *ctx, duk_idx_t to_idx);
648 DUK_EXTERNAL_DECL void duk_copy(duk_context *ctx, duk_idx_t from_idx, duk_idx_t to_idx);
649 DUK_EXTERNAL_DECL void duk_remove(duk_context *ctx, duk_idx_t idx);
650 DUK_EXTERNAL_DECL void duk_xcopymove_raw(duk_context *to_ctx, duk_context *from_ctx, duk_idx_t count, duk_bool_t is_copy);
652 #define duk_xmove_top(to_ctx,from_ctx,count) \
653 duk_xcopymove_raw((to_ctx), (from_ctx), (count), 0 /*is_copy*/)
654 #define duk_xcopy_top(to_ctx,from_ctx,count) \
655 duk_xcopymove_raw((to_ctx), (from_ctx), (count), 1 /*is_copy*/)
660 * Push functions return the absolute (relative to bottom of frame)
661 * position of the pushed value for convenience.
663 * Note: duk_dup() is technically a push.
666 DUK_EXTERNAL_DECL void duk_push_undefined(duk_context *ctx);
667 DUK_EXTERNAL_DECL void duk_push_null(duk_context *ctx);
668 DUK_EXTERNAL_DECL void duk_push_boolean(duk_context *ctx, duk_bool_t val);
669 DUK_EXTERNAL_DECL void duk_push_true(duk_context *ctx);
670 DUK_EXTERNAL_DECL void duk_push_false(duk_context *ctx);
671 DUK_EXTERNAL_DECL void duk_push_number(duk_context *ctx, duk_double_t val);
672 DUK_EXTERNAL_DECL void duk_push_nan(duk_context *ctx);
673 DUK_EXTERNAL_DECL void duk_push_int(duk_context *ctx, duk_int_t val);
674 DUK_EXTERNAL_DECL void duk_push_uint(duk_context *ctx, duk_uint_t val);
675 DUK_EXTERNAL_DECL const char *duk_push_string(duk_context *ctx, const char *str);
676 DUK_EXTERNAL_DECL const char *duk_push_lstring(duk_context *ctx, const char *str, duk_size_t len);
677 DUK_EXTERNAL_DECL void duk_push_pointer(duk_context *ctx, void *p);
678 DUK_EXTERNAL_DECL const char *duk_push_sprintf(duk_context *ctx, const char *fmt, ...);
679 DUK_EXTERNAL_DECL const char *duk_push_vsprintf(duk_context *ctx, const char *fmt, va_list ap);
681 /* duk_push_literal() may evaluate its argument (a C string literal) more than
682 * once on purpose. When speed is preferred, sizeof() avoids an unnecessary
683 * strlen() at runtime. Sizeof("foo") == 4, so subtract 1. The argument
684 * must be non-NULL and should not contain internal NUL characters as the
685 * behavior will then depend on config options.
687 #if defined(DUK_USE_PREFER_SIZE)
688 #define duk_push_literal(ctx,cstring) duk_push_string((ctx), (cstring))
690 DUK_EXTERNAL_DECL const char *duk_push_literal_raw(duk_context *ctx, const char *str, duk_size_t len);
691 #define duk_push_literal(ctx,cstring) duk_push_literal_raw((ctx), (cstring), sizeof((cstring)) - 1U)
694 DUK_EXTERNAL_DECL void duk_push_this(duk_context *ctx);
695 DUK_EXTERNAL_DECL void duk_push_new_target(duk_context *ctx);
696 DUK_EXTERNAL_DECL void duk_push_current_function(duk_context *ctx);
697 DUK_EXTERNAL_DECL void duk_push_current_thread(duk_context *ctx);
698 DUK_EXTERNAL_DECL void duk_push_global_object(duk_context *ctx);
699 DUK_EXTERNAL_DECL void duk_push_heap_stash(duk_context *ctx);
700 DUK_EXTERNAL_DECL void duk_push_global_stash(duk_context *ctx);
701 DUK_EXTERNAL_DECL void duk_push_thread_stash(duk_context *ctx, duk_context *target_ctx);
703 DUK_EXTERNAL_DECL duk_idx_t duk_push_object(duk_context *ctx);
704 DUK_EXTERNAL_DECL duk_idx_t duk_push_bare_object(duk_context *ctx);
705 DUK_EXTERNAL_DECL duk_idx_t duk_push_array(duk_context *ctx);
706 DUK_EXTERNAL_DECL duk_idx_t duk_push_c_function(duk_context *ctx, duk_c_function func, duk_idx_t nargs);
707 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);
708 DUK_EXTERNAL_DECL duk_idx_t duk_push_thread_raw(duk_context *ctx, duk_uint_t flags);
709 DUK_EXTERNAL_DECL duk_idx_t duk_push_proxy(duk_context *ctx, duk_uint_t proxy_flags);
711 #define duk_push_thread(ctx) \
712 duk_push_thread_raw((ctx), 0 /*flags*/)
714 #define duk_push_thread_new_globalenv(ctx) \
715 duk_push_thread_raw((ctx), DUK_THREAD_NEW_GLOBAL_ENV /*flags*/)
717 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, ...);
719 #if defined(DUK_API_VARIADIC_MACROS)
720 #define duk_push_error_object(ctx,err_code,...) \
721 duk_push_error_object_raw((ctx), (err_code), (const char *) (DUK_FILE_MACRO), (duk_int_t) (DUK_LINE_MACRO), __VA_ARGS__)
723 DUK_EXTERNAL_DECL duk_idx_t duk_push_error_object_stash(duk_context *ctx, duk_errcode_t err_code, const char *fmt, ...);
724 /* Note: parentheses are required so that the comma expression works in assignments. */
725 #define duk_push_error_object \
726 (duk_api_global_filename = (const char *) (DUK_FILE_MACRO), \
727 duk_api_global_line = (duk_int_t) (DUK_LINE_MACRO), \
728 duk_push_error_object_stash) /* last value is func pointer, arguments follow in parens */
731 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);
732 #define duk_push_error_object_va(ctx,err_code,fmt,ap) \
733 duk_push_error_object_va_raw((ctx), (err_code), (const char *) (DUK_FILE_MACRO), (duk_int_t) (DUK_LINE_MACRO), (fmt), (ap))
735 #define DUK_BUF_FLAG_DYNAMIC (1 << 0) /* internal flag: dynamic buffer */
736 #define DUK_BUF_FLAG_EXTERNAL (1 << 1) /* internal flag: external buffer */
737 #define DUK_BUF_FLAG_NOZERO (1 << 2) /* internal flag: don't zero allocated buffer */
739 DUK_EXTERNAL_DECL void *duk_push_buffer_raw(duk_context *ctx, duk_size_t size, duk_small_uint_t flags);
741 #define duk_push_buffer(ctx,size,dynamic) \
742 duk_push_buffer_raw((ctx), (size), (dynamic) ? DUK_BUF_FLAG_DYNAMIC : 0)
743 #define duk_push_fixed_buffer(ctx,size) \
744 duk_push_buffer_raw((ctx), (size), 0 /*flags*/)
745 #define duk_push_dynamic_buffer(ctx,size) \
746 duk_push_buffer_raw((ctx), (size), DUK_BUF_FLAG_DYNAMIC /*flags*/)
747 #define duk_push_external_buffer(ctx) \
748 ((void) duk_push_buffer_raw((ctx), 0, DUK_BUF_FLAG_DYNAMIC | DUK_BUF_FLAG_EXTERNAL))
750 #define DUK_BUFOBJ_ARRAYBUFFER 0
751 #define DUK_BUFOBJ_NODEJS_BUFFER 1
752 #define DUK_BUFOBJ_DATAVIEW 2
753 #define DUK_BUFOBJ_INT8ARRAY 3
754 #define DUK_BUFOBJ_UINT8ARRAY 4
755 #define DUK_BUFOBJ_UINT8CLAMPEDARRAY 5
756 #define DUK_BUFOBJ_INT16ARRAY 6
757 #define DUK_BUFOBJ_UINT16ARRAY 7
758 #define DUK_BUFOBJ_INT32ARRAY 8
759 #define DUK_BUFOBJ_UINT32ARRAY 9
760 #define DUK_BUFOBJ_FLOAT32ARRAY 10
761 #define DUK_BUFOBJ_FLOAT64ARRAY 11
763 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);
765 DUK_EXTERNAL_DECL duk_idx_t duk_push_heapptr(duk_context *ctx, void *ptr);
771 DUK_EXTERNAL_DECL void duk_pop(duk_context *ctx);
772 DUK_EXTERNAL_DECL void duk_pop_n(duk_context *ctx, duk_idx_t count);
773 DUK_EXTERNAL_DECL void duk_pop_2(duk_context *ctx);
774 DUK_EXTERNAL_DECL void duk_pop_3(duk_context *ctx);
779 * duk_is_none(), which would indicate whether index it outside of stack,
780 * is not needed; duk_is_valid_index() gives the same information.
783 DUK_EXTERNAL_DECL duk_int_t duk_get_type(duk_context *ctx, duk_idx_t idx);
784 DUK_EXTERNAL_DECL duk_bool_t duk_check_type(duk_context *ctx, duk_idx_t idx, duk_int_t type);
785 DUK_EXTERNAL_DECL duk_uint_t duk_get_type_mask(duk_context *ctx, duk_idx_t idx);
786 DUK_EXTERNAL_DECL duk_bool_t duk_check_type_mask(duk_context *ctx, duk_idx_t idx, duk_uint_t mask);
788 DUK_EXTERNAL_DECL duk_bool_t duk_is_undefined(duk_context *ctx, duk_idx_t idx);
789 DUK_EXTERNAL_DECL duk_bool_t duk_is_null(duk_context *ctx, duk_idx_t idx);
790 #define duk_is_null_or_undefined(ctx, idx) \
791 ((duk_get_type_mask((ctx), (idx)) & (DUK_TYPE_MASK_NULL | DUK_TYPE_MASK_UNDEFINED)) ? 1 : 0)
793 DUK_EXTERNAL_DECL duk_bool_t duk_is_boolean(duk_context *ctx, duk_idx_t idx);
794 DUK_EXTERNAL_DECL duk_bool_t duk_is_number(duk_context *ctx, duk_idx_t idx);
795 DUK_EXTERNAL_DECL duk_bool_t duk_is_nan(duk_context *ctx, duk_idx_t idx);
796 DUK_EXTERNAL_DECL duk_bool_t duk_is_string(duk_context *ctx, duk_idx_t idx);
797 DUK_EXTERNAL_DECL duk_bool_t duk_is_object(duk_context *ctx, duk_idx_t idx);
798 DUK_EXTERNAL_DECL duk_bool_t duk_is_buffer(duk_context *ctx, duk_idx_t idx);
799 DUK_EXTERNAL_DECL duk_bool_t duk_is_buffer_data(duk_context *ctx, duk_idx_t idx);
800 DUK_EXTERNAL_DECL duk_bool_t duk_is_pointer(duk_context *ctx, duk_idx_t idx);
801 DUK_EXTERNAL_DECL duk_bool_t duk_is_lightfunc(duk_context *ctx, duk_idx_t idx);
803 DUK_EXTERNAL_DECL duk_bool_t duk_is_symbol(duk_context *ctx, duk_idx_t idx);
804 DUK_EXTERNAL_DECL duk_bool_t duk_is_array(duk_context *ctx, duk_idx_t idx);
805 DUK_EXTERNAL_DECL duk_bool_t duk_is_function(duk_context *ctx, duk_idx_t idx);
806 DUK_EXTERNAL_DECL duk_bool_t duk_is_c_function(duk_context *ctx, duk_idx_t idx);
807 DUK_EXTERNAL_DECL duk_bool_t duk_is_ecmascript_function(duk_context *ctx, duk_idx_t idx);
808 DUK_EXTERNAL_DECL duk_bool_t duk_is_bound_function(duk_context *ctx, duk_idx_t idx);
809 DUK_EXTERNAL_DECL duk_bool_t duk_is_thread(duk_context *ctx, duk_idx_t idx);
811 #define duk_is_callable(ctx,idx) \
812 duk_is_function((ctx), (idx))
813 DUK_EXTERNAL_DECL duk_bool_t duk_is_constructable(duk_context *ctx, duk_idx_t idx);
815 DUK_EXTERNAL_DECL duk_bool_t duk_is_dynamic_buffer(duk_context *ctx, duk_idx_t idx);
816 DUK_EXTERNAL_DECL duk_bool_t duk_is_fixed_buffer(duk_context *ctx, duk_idx_t idx);
817 DUK_EXTERNAL_DECL duk_bool_t duk_is_external_buffer(duk_context *ctx, duk_idx_t idx);
819 /* Buffers and lightfuncs are not considered primitive because they mimic
820 * objects and e.g. duk_to_primitive() will coerce them instead of returning
821 * them as is. Symbols are represented as strings internally.
823 #define duk_is_primitive(ctx,idx) \
824 duk_check_type_mask((ctx), (idx), DUK_TYPE_MASK_UNDEFINED | \
825 DUK_TYPE_MASK_NULL | \
826 DUK_TYPE_MASK_BOOLEAN | \
827 DUK_TYPE_MASK_NUMBER | \
828 DUK_TYPE_MASK_STRING | \
829 DUK_TYPE_MASK_POINTER)
831 /* Symbols are object coercible, covered by DUK_TYPE_MASK_STRING. */
832 #define duk_is_object_coercible(ctx,idx) \
833 duk_check_type_mask((ctx), (idx), DUK_TYPE_MASK_BOOLEAN | \
834 DUK_TYPE_MASK_NUMBER | \
835 DUK_TYPE_MASK_STRING | \
836 DUK_TYPE_MASK_OBJECT | \
837 DUK_TYPE_MASK_BUFFER | \
838 DUK_TYPE_MASK_POINTER | \
839 DUK_TYPE_MASK_LIGHTFUNC)
841 DUK_EXTERNAL_DECL duk_errcode_t duk_get_error_code(duk_context *ctx, duk_idx_t idx);
842 #define duk_is_error(ctx,idx) \
843 (duk_get_error_code((ctx), (idx)) != 0)
844 #define duk_is_eval_error(ctx,idx) \
845 (duk_get_error_code((ctx), (idx)) == DUK_ERR_EVAL_ERROR)
846 #define duk_is_range_error(ctx,idx) \
847 (duk_get_error_code((ctx), (idx)) == DUK_ERR_RANGE_ERROR)
848 #define duk_is_reference_error(ctx,idx) \
849 (duk_get_error_code((ctx), (idx)) == DUK_ERR_REFERENCE_ERROR)
850 #define duk_is_syntax_error(ctx,idx) \
851 (duk_get_error_code((ctx), (idx)) == DUK_ERR_SYNTAX_ERROR)
852 #define duk_is_type_error(ctx,idx) \
853 (duk_get_error_code((ctx), (idx)) == DUK_ERR_TYPE_ERROR)
854 #define duk_is_uri_error(ctx,idx) \
855 (duk_get_error_code((ctx), (idx)) == DUK_ERR_URI_ERROR)
858 * Get operations: no coercion, returns default value for invalid
859 * indices and invalid value types.
861 * duk_get_undefined() and duk_get_null() would be pointless and
865 DUK_EXTERNAL_DECL duk_bool_t duk_get_boolean(duk_context *ctx, duk_idx_t idx);
866 DUK_EXTERNAL_DECL duk_double_t duk_get_number(duk_context *ctx, duk_idx_t idx);
867 DUK_EXTERNAL_DECL duk_int_t duk_get_int(duk_context *ctx, duk_idx_t idx);
868 DUK_EXTERNAL_DECL duk_uint_t duk_get_uint(duk_context *ctx, duk_idx_t idx);
869 DUK_EXTERNAL_DECL const char *duk_get_string(duk_context *ctx, duk_idx_t idx);
870 DUK_EXTERNAL_DECL const char *duk_get_lstring(duk_context *ctx, duk_idx_t idx, duk_size_t *out_len);
871 DUK_EXTERNAL_DECL void *duk_get_buffer(duk_context *ctx, duk_idx_t idx, duk_size_t *out_size);
872 DUK_EXTERNAL_DECL void *duk_get_buffer_data(duk_context *ctx, duk_idx_t idx, duk_size_t *out_size);
873 DUK_EXTERNAL_DECL void *duk_get_pointer(duk_context *ctx, duk_idx_t idx);
874 DUK_EXTERNAL_DECL duk_c_function duk_get_c_function(duk_context *ctx, duk_idx_t idx);
875 DUK_EXTERNAL_DECL duk_context *duk_get_context(duk_context *ctx, duk_idx_t idx);
876 DUK_EXTERNAL_DECL void *duk_get_heapptr(duk_context *ctx, duk_idx_t idx);
879 * Get-with-explicit default operations: like get operations but with an
880 * explicit default value.
883 DUK_EXTERNAL_DECL duk_bool_t duk_get_boolean_default(duk_context *ctx, duk_idx_t idx, duk_bool_t def_value);
884 DUK_EXTERNAL_DECL duk_double_t duk_get_number_default(duk_context *ctx, duk_idx_t idx, duk_double_t def_value);
885 DUK_EXTERNAL_DECL duk_int_t duk_get_int_default(duk_context *ctx, duk_idx_t idx, duk_int_t def_value);
886 DUK_EXTERNAL_DECL duk_uint_t duk_get_uint_default(duk_context *ctx, duk_idx_t idx, duk_uint_t def_value);
887 DUK_EXTERNAL_DECL const char *duk_get_string_default(duk_context *ctx, duk_idx_t idx, const char *def_value);
888 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);
889 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);
890 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);
891 DUK_EXTERNAL_DECL void *duk_get_pointer_default(duk_context *ctx, duk_idx_t idx, void *def_value);
892 DUK_EXTERNAL_DECL duk_c_function duk_get_c_function_default(duk_context *ctx, duk_idx_t idx, duk_c_function def_value);
893 DUK_EXTERNAL_DECL duk_context *duk_get_context_default(duk_context *ctx, duk_idx_t idx, duk_context *def_value);
894 DUK_EXTERNAL_DECL void *duk_get_heapptr_default(duk_context *ctx, duk_idx_t idx, void *def_value);
897 * Opt operations: like require operations but with an explicit default value
898 * when value is undefined or index is invalid, null and non-matching types
902 DUK_EXTERNAL_DECL duk_bool_t duk_opt_boolean(duk_context *ctx, duk_idx_t idx, duk_bool_t def_value);
903 DUK_EXTERNAL_DECL duk_double_t duk_opt_number(duk_context *ctx, duk_idx_t idx, duk_double_t def_value);
904 DUK_EXTERNAL_DECL duk_int_t duk_opt_int(duk_context *ctx, duk_idx_t idx, duk_int_t def_value);
905 DUK_EXTERNAL_DECL duk_uint_t duk_opt_uint(duk_context *ctx, duk_idx_t idx, duk_uint_t def_value);
906 DUK_EXTERNAL_DECL const char *duk_opt_string(duk_context *ctx, duk_idx_t idx, const char *def_ptr);
907 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);
908 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);
909 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);
910 DUK_EXTERNAL_DECL void *duk_opt_pointer(duk_context *ctx, duk_idx_t idx, void *def_value);
911 DUK_EXTERNAL_DECL duk_c_function duk_opt_c_function(duk_context *ctx, duk_idx_t idx, duk_c_function def_value);
912 DUK_EXTERNAL_DECL duk_context *duk_opt_context(duk_context *ctx, duk_idx_t idx, duk_context *def_value);
913 DUK_EXTERNAL_DECL void *duk_opt_heapptr(duk_context *ctx, duk_idx_t idx, void *def_value);
916 * Require operations: no coercion, throw error if index or type
917 * is incorrect. No defaulting.
920 #define duk_require_type_mask(ctx,idx,mask) \
921 ((void) duk_check_type_mask((ctx), (idx), (mask) | DUK_TYPE_MASK_THROW))
923 DUK_EXTERNAL_DECL void duk_require_undefined(duk_context *ctx, duk_idx_t idx);
924 DUK_EXTERNAL_DECL void duk_require_null(duk_context *ctx, duk_idx_t idx);
925 DUK_EXTERNAL_DECL duk_bool_t duk_require_boolean(duk_context *ctx, duk_idx_t idx);
926 DUK_EXTERNAL_DECL duk_double_t duk_require_number(duk_context *ctx, duk_idx_t idx);
927 DUK_EXTERNAL_DECL duk_int_t duk_require_int(duk_context *ctx, duk_idx_t idx);
928 DUK_EXTERNAL_DECL duk_uint_t duk_require_uint(duk_context *ctx, duk_idx_t idx);
929 DUK_EXTERNAL_DECL const char *duk_require_string(duk_context *ctx, duk_idx_t idx);
930 DUK_EXTERNAL_DECL const char *duk_require_lstring(duk_context *ctx, duk_idx_t idx, duk_size_t *out_len);
931 DUK_EXTERNAL_DECL void duk_require_object(duk_context *ctx, duk_idx_t idx);
932 DUK_EXTERNAL_DECL void *duk_require_buffer(duk_context *ctx, duk_idx_t idx, duk_size_t *out_size);
933 DUK_EXTERNAL_DECL void *duk_require_buffer_data(duk_context *ctx, duk_idx_t idx, duk_size_t *out_size);
934 DUK_EXTERNAL_DECL void *duk_require_pointer(duk_context *ctx, duk_idx_t idx);
935 DUK_EXTERNAL_DECL duk_c_function duk_require_c_function(duk_context *ctx, duk_idx_t idx);
936 DUK_EXTERNAL_DECL duk_context *duk_require_context(duk_context *ctx, duk_idx_t idx);
937 DUK_EXTERNAL_DECL void duk_require_function(duk_context *ctx, duk_idx_t idx);
938 #define duk_require_callable(ctx,idx) \
939 duk_require_function((ctx), (idx))
940 DUK_EXTERNAL_DECL void *duk_require_heapptr(duk_context *ctx, duk_idx_t idx);
942 /* Symbols are object coercible and covered by DUK_TYPE_MASK_STRING. */
943 #define duk_require_object_coercible(ctx,idx) \
944 ((void) duk_check_type_mask((ctx), (idx), DUK_TYPE_MASK_BOOLEAN | \
945 DUK_TYPE_MASK_NUMBER | \
946 DUK_TYPE_MASK_STRING | \
947 DUK_TYPE_MASK_OBJECT | \
948 DUK_TYPE_MASK_BUFFER | \
949 DUK_TYPE_MASK_POINTER | \
950 DUK_TYPE_MASK_LIGHTFUNC | \
951 DUK_TYPE_MASK_THROW))
954 * Coercion operations: in-place coercion, return coerced value where
955 * applicable. If index is invalid, throw error. Some coercions may
956 * throw an expected error (e.g. from a toString() or valueOf() call)
957 * or an internal error (e.g. from out of memory).
960 DUK_EXTERNAL_DECL void duk_to_undefined(duk_context *ctx, duk_idx_t idx);
961 DUK_EXTERNAL_DECL void duk_to_null(duk_context *ctx, duk_idx_t idx);
962 DUK_EXTERNAL_DECL duk_bool_t duk_to_boolean(duk_context *ctx, duk_idx_t idx);
963 DUK_EXTERNAL_DECL duk_double_t duk_to_number(duk_context *ctx, duk_idx_t idx);
964 DUK_EXTERNAL_DECL duk_int_t duk_to_int(duk_context *ctx, duk_idx_t idx);
965 DUK_EXTERNAL_DECL duk_uint_t duk_to_uint(duk_context *ctx, duk_idx_t idx);
966 DUK_EXTERNAL_DECL duk_int32_t duk_to_int32(duk_context *ctx, duk_idx_t idx);
967 DUK_EXTERNAL_DECL duk_uint32_t duk_to_uint32(duk_context *ctx, duk_idx_t idx);
968 DUK_EXTERNAL_DECL duk_uint16_t duk_to_uint16(duk_context *ctx, duk_idx_t idx);
969 DUK_EXTERNAL_DECL const char *duk_to_string(duk_context *ctx, duk_idx_t idx);
970 DUK_EXTERNAL_DECL const char *duk_to_lstring(duk_context *ctx, duk_idx_t idx, duk_size_t *out_len);
971 DUK_EXTERNAL_DECL void *duk_to_buffer_raw(duk_context *ctx, duk_idx_t idx, duk_size_t *out_size, duk_uint_t flags);
972 DUK_EXTERNAL_DECL void *duk_to_pointer(duk_context *ctx, duk_idx_t idx);
973 DUK_EXTERNAL_DECL void duk_to_object(duk_context *ctx, duk_idx_t idx);
974 DUK_EXTERNAL_DECL void duk_to_primitive(duk_context *ctx, duk_idx_t idx, duk_int_t hint);
976 #define DUK_BUF_MODE_FIXED 0 /* internal: request fixed buffer result */
977 #define DUK_BUF_MODE_DYNAMIC 1 /* internal: request dynamic buffer result */
978 #define DUK_BUF_MODE_DONTCARE 2 /* internal: don't care about fixed/dynamic nature */
980 #define duk_to_buffer(ctx,idx,out_size) \
981 duk_to_buffer_raw((ctx), (idx), (out_size), DUK_BUF_MODE_DONTCARE)
982 #define duk_to_fixed_buffer(ctx,idx,out_size) \
983 duk_to_buffer_raw((ctx), (idx), (out_size), DUK_BUF_MODE_FIXED)
984 #define duk_to_dynamic_buffer(ctx,idx,out_size) \
985 duk_to_buffer_raw((ctx), (idx), (out_size), DUK_BUF_MODE_DYNAMIC)
987 /* safe variants of a few coercion operations */
988 DUK_EXTERNAL_DECL const char *duk_safe_to_lstring(duk_context *ctx, duk_idx_t idx, duk_size_t *out_len);
989 #define duk_safe_to_string(ctx,idx) \
990 duk_safe_to_lstring((ctx), (idx), NULL)
996 DUK_EXTERNAL_DECL duk_size_t duk_get_length(duk_context *ctx, duk_idx_t idx);
997 DUK_EXTERNAL_DECL void duk_set_length(duk_context *ctx, duk_idx_t idx, duk_size_t len);
999 /* duk_require_length()? */
1000 /* duk_opt_length()? */
1007 DUK_EXTERNAL_DECL const char *duk_base64_encode(duk_context *ctx, duk_idx_t idx);
1008 DUK_EXTERNAL_DECL void duk_base64_decode(duk_context *ctx, duk_idx_t idx);
1009 DUK_EXTERNAL_DECL const char *duk_hex_encode(duk_context *ctx, duk_idx_t idx);
1010 DUK_EXTERNAL_DECL void duk_hex_decode(duk_context *ctx, duk_idx_t idx);
1011 DUK_EXTERNAL_DECL const char *duk_json_encode(duk_context *ctx, duk_idx_t idx);
1012 DUK_EXTERNAL_DECL void duk_json_decode(duk_context *ctx, duk_idx_t idx);
1014 DUK_EXTERNAL_DECL const char *duk_buffer_to_string(duk_context *ctx, duk_idx_t idx);
1020 DUK_EXTERNAL_DECL void *duk_resize_buffer(duk_context *ctx, duk_idx_t idx, duk_size_t new_size);
1021 DUK_EXTERNAL_DECL void *duk_steal_buffer(duk_context *ctx, duk_idx_t idx, duk_size_t *out_size);
1022 DUK_EXTERNAL_DECL void duk_config_buffer(duk_context *ctx, duk_idx_t idx, void *ptr, duk_size_t len);
1027 * The basic function assumes key is on stack. The _(l)string variant takes
1028 * a C string as a property name; the _literal variant takes a C literal.
1029 * The _index variant takes an array index as a property name (e.g. 123 is
1030 * equivalent to the key "123"). The _heapptr variant takes a raw, borrowed
1034 DUK_EXTERNAL_DECL duk_bool_t duk_get_prop(duk_context *ctx, duk_idx_t obj_idx);
1035 DUK_EXTERNAL_DECL duk_bool_t duk_get_prop_string(duk_context *ctx, duk_idx_t obj_idx, const char *key);
1036 DUK_EXTERNAL_DECL duk_bool_t duk_get_prop_lstring(duk_context *ctx, duk_idx_t obj_idx, const char *key, duk_size_t key_len);
1037 #if defined(DUK_USE_PREFER_SIZE)
1038 #define duk_get_prop_literal(ctx,obj_idx,key) duk_get_prop_string((ctx), (obj_idx), (key))
1040 DUK_EXTERNAL_DECL duk_bool_t duk_get_prop_literal_raw(duk_context *ctx, duk_idx_t obj_idx, const char *key, duk_size_t key_len);
1041 #define duk_get_prop_literal(ctx,obj_idx,key) duk_get_prop_literal_raw((ctx), (obj_idx), (key), sizeof((key)) - 1U)
1043 DUK_EXTERNAL_DECL duk_bool_t duk_get_prop_index(duk_context *ctx, duk_idx_t obj_idx, duk_uarridx_t arr_idx);
1044 DUK_EXTERNAL_DECL duk_bool_t duk_get_prop_heapptr(duk_context *ctx, duk_idx_t obj_idx, void *ptr);
1045 DUK_EXTERNAL_DECL duk_bool_t duk_put_prop(duk_context *ctx, duk_idx_t obj_idx);
1046 DUK_EXTERNAL_DECL duk_bool_t duk_put_prop_string(duk_context *ctx, duk_idx_t obj_idx, const char *key);
1047 DUK_EXTERNAL_DECL duk_bool_t duk_put_prop_lstring(duk_context *ctx, duk_idx_t obj_idx, const char *key, duk_size_t key_len);
1048 #if defined(DUK_USE_PREFER_SIZE)
1049 #define duk_put_prop_literal(ctx,obj_idx,key) duk_put_prop_string((ctx), (obj_idx), (key))
1051 DUK_EXTERNAL_DECL duk_bool_t duk_put_prop_literal_raw(duk_context *ctx, duk_idx_t obj_idx, const char *key, duk_size_t key_len);
1052 #define duk_put_prop_literal(ctx,obj_idx,key) duk_put_prop_literal_raw((ctx), (obj_idx), (key), sizeof((key)) - 1U)
1054 DUK_EXTERNAL_DECL duk_bool_t duk_put_prop_index(duk_context *ctx, duk_idx_t obj_idx, duk_uarridx_t arr_idx);
1055 DUK_EXTERNAL_DECL duk_bool_t duk_put_prop_heapptr(duk_context *ctx, duk_idx_t obj_idx, void *ptr);
1056 DUK_EXTERNAL_DECL duk_bool_t duk_del_prop(duk_context *ctx, duk_idx_t obj_idx);
1057 DUK_EXTERNAL_DECL duk_bool_t duk_del_prop_string(duk_context *ctx, duk_idx_t obj_idx, const char *key);
1058 DUK_EXTERNAL_DECL duk_bool_t duk_del_prop_lstring(duk_context *ctx, duk_idx_t obj_idx, const char *key, duk_size_t key_len);
1059 #if defined(DUK_USE_PREFER_SIZE)
1060 #define duk_del_prop_literal(ctx,obj_idx,key) duk_del_prop_string((ctx), (obj_idx), (key))
1062 DUK_EXTERNAL_DECL duk_bool_t duk_del_prop_literal_raw(duk_context *ctx, duk_idx_t obj_idx, const char *key, duk_size_t key_len);
1063 #define duk_del_prop_literal(ctx,obj_idx,key) duk_del_prop_literal_raw((ctx), (obj_idx), (key), sizeof((key)) - 1U)
1065 DUK_EXTERNAL_DECL duk_bool_t duk_del_prop_index(duk_context *ctx, duk_idx_t obj_idx, duk_uarridx_t arr_idx);
1066 DUK_EXTERNAL_DECL duk_bool_t duk_del_prop_heapptr(duk_context *ctx, duk_idx_t obj_idx, void *ptr);
1067 DUK_EXTERNAL_DECL duk_bool_t duk_has_prop(duk_context *ctx, duk_idx_t obj_idx);
1068 DUK_EXTERNAL_DECL duk_bool_t duk_has_prop_string(duk_context *ctx, duk_idx_t obj_idx, const char *key);
1069 DUK_EXTERNAL_DECL duk_bool_t duk_has_prop_lstring(duk_context *ctx, duk_idx_t obj_idx, const char *key, duk_size_t key_len);
1070 #if defined(DUK_USE_PREFER_SIZE)
1071 #define duk_has_prop_literal(ctx,obj_idx,key) duk_has_prop_string((ctx), (obj_idx), (key))
1073 DUK_EXTERNAL_DECL duk_bool_t duk_has_prop_literal_raw(duk_context *ctx, duk_idx_t obj_idx, const char *key, duk_size_t key_len);
1074 #define duk_has_prop_literal(ctx,obj_idx,key) duk_has_prop_literal_raw((ctx), (obj_idx), (key), sizeof((key)) - 1U)
1076 DUK_EXTERNAL_DECL duk_bool_t duk_has_prop_index(duk_context *ctx, duk_idx_t obj_idx, duk_uarridx_t arr_idx);
1077 DUK_EXTERNAL_DECL duk_bool_t duk_has_prop_heapptr(duk_context *ctx, duk_idx_t obj_idx, void *ptr);
1079 DUK_EXTERNAL_DECL void duk_get_prop_desc(duk_context *ctx, duk_idx_t obj_idx, duk_uint_t flags);
1080 DUK_EXTERNAL_DECL void duk_def_prop(duk_context *ctx, duk_idx_t obj_idx, duk_uint_t flags);
1082 DUK_EXTERNAL_DECL duk_bool_t duk_get_global_string(duk_context *ctx, const char *key);
1083 DUK_EXTERNAL_DECL duk_bool_t duk_get_global_lstring(duk_context *ctx, const char *key, duk_size_t key_len);
1084 #if defined(DUK_USE_PREFER_SIZE)
1085 #define duk_get_global_literal(ctx,key) duk_get_global_string((ctx), (key))
1087 DUK_EXTERNAL_DECL duk_bool_t duk_get_global_literal_raw(duk_context *ctx, const char *key, duk_size_t key_len);
1088 #define duk_get_global_literal(ctx,key) duk_get_global_literal_raw((ctx), (key), sizeof((key)) - 1U)
1090 DUK_EXTERNAL_DECL duk_bool_t duk_get_global_heapptr(duk_context *ctx, void *ptr);
1091 DUK_EXTERNAL_DECL duk_bool_t duk_put_global_string(duk_context *ctx, const char *key);
1092 DUK_EXTERNAL_DECL duk_bool_t duk_put_global_lstring(duk_context *ctx, const char *key, duk_size_t key_len);
1093 #if defined(DUK_USE_PREFER_SIZE)
1094 #define duk_put_global_literal(ctx,key) duk_put_global_string((ctx), (key))
1096 DUK_EXTERNAL_DECL duk_bool_t duk_put_global_literal_raw(duk_context *ctx, const char *key, duk_size_t key_len);
1097 #define duk_put_global_literal(ctx,key) duk_put_global_literal_raw((ctx), (key), sizeof((key)) - 1U)
1099 DUK_EXTERNAL_DECL duk_bool_t duk_put_global_heapptr(duk_context *ctx, void *ptr);
1105 DUK_EXTERNAL_DECL void duk_inspect_value(duk_context *ctx, duk_idx_t idx);
1106 DUK_EXTERNAL_DECL void duk_inspect_callstack_entry(duk_context *ctx, duk_int_t level);
1112 DUK_EXTERNAL_DECL void duk_get_prototype(duk_context *ctx, duk_idx_t idx);
1113 DUK_EXTERNAL_DECL void duk_set_prototype(duk_context *ctx, duk_idx_t idx);
1119 DUK_EXTERNAL_DECL void duk_get_finalizer(duk_context *ctx, duk_idx_t idx);
1120 DUK_EXTERNAL_DECL void duk_set_finalizer(duk_context *ctx, duk_idx_t idx);
1126 DUK_EXTERNAL_DECL void duk_set_global_object(duk_context *ctx);
1129 * Duktape/C function magic value
1132 DUK_EXTERNAL_DECL duk_int_t duk_get_magic(duk_context *ctx, duk_idx_t idx);
1133 DUK_EXTERNAL_DECL void duk_set_magic(duk_context *ctx, duk_idx_t idx, duk_int_t magic);
1134 DUK_EXTERNAL_DECL duk_int_t duk_get_current_magic(duk_context *ctx);
1137 * Module helpers: put multiple function or constant properties
1140 DUK_EXTERNAL_DECL void duk_put_function_list(duk_context *ctx, duk_idx_t obj_idx, const duk_function_list_entry *funcs);
1141 DUK_EXTERNAL_DECL void duk_put_number_list(duk_context *ctx, duk_idx_t obj_idx, const duk_number_list_entry *numbers);
1147 DUK_EXTERNAL_DECL void duk_compact(duk_context *ctx, duk_idx_t obj_idx);
1148 DUK_EXTERNAL_DECL void duk_enum(duk_context *ctx, duk_idx_t obj_idx, duk_uint_t enum_flags);
1149 DUK_EXTERNAL_DECL duk_bool_t duk_next(duk_context *ctx, duk_idx_t enum_idx, duk_bool_t get_value);
1150 DUK_EXTERNAL_DECL void duk_seal(duk_context *ctx, duk_idx_t obj_idx);
1151 DUK_EXTERNAL_DECL void duk_freeze(duk_context *ctx, duk_idx_t obj_idx);
1154 * String manipulation
1157 DUK_EXTERNAL_DECL void duk_concat(duk_context *ctx, duk_idx_t count);
1158 DUK_EXTERNAL_DECL void duk_join(duk_context *ctx, duk_idx_t count);
1159 DUK_EXTERNAL_DECL void duk_decode_string(duk_context *ctx, duk_idx_t idx, duk_decode_char_function callback, void *udata);
1160 DUK_EXTERNAL_DECL void duk_map_string(duk_context *ctx, duk_idx_t idx, duk_map_char_function callback, void *udata);
1161 DUK_EXTERNAL_DECL void duk_substring(duk_context *ctx, duk_idx_t idx, duk_size_t start_char_offset, duk_size_t end_char_offset);
1162 DUK_EXTERNAL_DECL void duk_trim(duk_context *ctx, duk_idx_t idx);
1163 DUK_EXTERNAL_DECL duk_codepoint_t duk_char_code_at(duk_context *ctx, duk_idx_t idx, duk_size_t char_offset);
1166 * ECMAScript operators
1169 DUK_EXTERNAL_DECL duk_bool_t duk_equals(duk_context *ctx, duk_idx_t idx1, duk_idx_t idx2);
1170 DUK_EXTERNAL_DECL duk_bool_t duk_strict_equals(duk_context *ctx, duk_idx_t idx1, duk_idx_t idx2);
1171 DUK_EXTERNAL_DECL duk_bool_t duk_samevalue(duk_context *ctx, duk_idx_t idx1, duk_idx_t idx2);
1172 DUK_EXTERNAL_DECL duk_bool_t duk_instanceof(duk_context *ctx, duk_idx_t idx1, duk_idx_t idx2);
1178 DUK_EXTERNAL_DECL duk_double_t duk_random(duk_context *ctx);
1181 * Function (method) calls
1184 DUK_EXTERNAL_DECL void duk_call(duk_context *ctx, duk_idx_t nargs);
1185 DUK_EXTERNAL_DECL void duk_call_method(duk_context *ctx, duk_idx_t nargs);
1186 DUK_EXTERNAL_DECL void duk_call_prop(duk_context *ctx, duk_idx_t obj_idx, duk_idx_t nargs);
1187 DUK_EXTERNAL_DECL duk_int_t duk_pcall(duk_context *ctx, duk_idx_t nargs);
1188 DUK_EXTERNAL_DECL duk_int_t duk_pcall_method(duk_context *ctx, duk_idx_t nargs);
1189 DUK_EXTERNAL_DECL duk_int_t duk_pcall_prop(duk_context *ctx, duk_idx_t obj_idx, duk_idx_t nargs);
1190 DUK_EXTERNAL_DECL void duk_new(duk_context *ctx, duk_idx_t nargs);
1191 DUK_EXTERNAL_DECL duk_int_t duk_pnew(duk_context *ctx, duk_idx_t nargs);
1192 DUK_EXTERNAL_DECL duk_int_t duk_safe_call(duk_context *ctx, duk_safe_call_function func, void *udata, duk_idx_t nargs, duk_idx_t nrets);
1198 /* There are currently no native functions to yield/resume, due to the internal
1199 * limitations on coroutine handling. These will be added later.
1203 * Compilation and evaluation
1206 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);
1207 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);
1210 #define duk_eval(ctx) \
1211 ((void) duk_eval_raw((ctx), NULL, 0, 1 /*args*/ | DUK_COMPILE_EVAL | DUK_COMPILE_NOFILENAME))
1213 #define duk_eval_noresult(ctx) \
1214 ((void) duk_eval_raw((ctx), NULL, 0, 1 /*args*/ | DUK_COMPILE_EVAL | DUK_COMPILE_NORESULT | DUK_COMPILE_NOFILENAME))
1216 #define duk_peval(ctx) \
1217 (duk_eval_raw((ctx), NULL, 0, 1 /*args*/ | DUK_COMPILE_EVAL | DUK_COMPILE_SAFE | DUK_COMPILE_NOFILENAME))
1219 #define duk_peval_noresult(ctx) \
1220 (duk_eval_raw((ctx), NULL, 0, 1 /*args*/ | DUK_COMPILE_EVAL | DUK_COMPILE_SAFE | DUK_COMPILE_NORESULT | DUK_COMPILE_NOFILENAME))
1222 #define duk_compile(ctx,flags) \
1223 ((void) duk_compile_raw((ctx), NULL, 0, 2 /*args*/ | (flags)))
1225 #define duk_pcompile(ctx,flags) \
1226 (duk_compile_raw((ctx), NULL, 0, 2 /*args*/ | (flags) | DUK_COMPILE_SAFE))
1229 #define duk_eval_string(ctx,src) \
1230 ((void) duk_eval_raw((ctx), (src), 0, 0 /*args*/ | DUK_COMPILE_EVAL | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN | DUK_COMPILE_NOFILENAME))
1232 #define duk_eval_string_noresult(ctx,src) \
1233 ((void) duk_eval_raw((ctx), (src), 0, 0 /*args*/ | DUK_COMPILE_EVAL | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN | DUK_COMPILE_NORESULT | DUK_COMPILE_NOFILENAME))
1235 #define duk_peval_string(ctx,src) \
1236 (duk_eval_raw((ctx), (src), 0, 0 /*args*/ | DUK_COMPILE_EVAL | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN | DUK_COMPILE_NOFILENAME))
1238 #define duk_peval_string_noresult(ctx,src) \
1239 (duk_eval_raw((ctx), (src), 0, 0 /*args*/ | DUK_COMPILE_EVAL | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN | DUK_COMPILE_NORESULT | DUK_COMPILE_NOFILENAME))
1241 #define duk_compile_string(ctx,flags,src) \
1242 ((void) duk_compile_raw((ctx), (src), 0, 0 /*args*/ | (flags) | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN | DUK_COMPILE_NOFILENAME))
1244 #define duk_compile_string_filename(ctx,flags,src) \
1245 ((void) duk_compile_raw((ctx), (src), 0, 1 /*args*/ | (flags) | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN))
1247 #define duk_pcompile_string(ctx,flags,src) \
1248 (duk_compile_raw((ctx), (src), 0, 0 /*args*/ | (flags) | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN | DUK_COMPILE_NOFILENAME))
1250 #define duk_pcompile_string_filename(ctx,flags,src) \
1251 (duk_compile_raw((ctx), (src), 0, 1 /*args*/ | (flags) | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN))
1254 #define duk_eval_lstring(ctx,buf,len) \
1255 ((void) duk_eval_raw((ctx), buf, len, 0 /*args*/ | DUK_COMPILE_EVAL | DUK_COMPILE_NOSOURCE | DUK_COMPILE_NOFILENAME))
1257 #define duk_eval_lstring_noresult(ctx,buf,len) \
1258 ((void) duk_eval_raw((ctx), buf, len, 0 /*args*/ | DUK_COMPILE_EVAL | DUK_COMPILE_NOSOURCE | DUK_COMPILE_NORESULT | DUK_COMPILE_NOFILENAME))
1260 #define duk_peval_lstring(ctx,buf,len) \
1261 (duk_eval_raw((ctx), buf, len, 0 /*args*/ | DUK_COMPILE_EVAL | DUK_COMPILE_NOSOURCE | DUK_COMPILE_SAFE | DUK_COMPILE_NOFILENAME))
1263 #define duk_peval_lstring_noresult(ctx,buf,len) \
1264 (duk_eval_raw((ctx), buf, len, 0 /*args*/ | DUK_COMPILE_EVAL | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE | DUK_COMPILE_NORESULT | DUK_COMPILE_NOFILENAME))
1266 #define duk_compile_lstring(ctx,flags,buf,len) \
1267 ((void) duk_compile_raw((ctx), buf, len, 0 /*args*/ | (flags) | DUK_COMPILE_NOSOURCE | DUK_COMPILE_NOFILENAME))
1269 #define duk_compile_lstring_filename(ctx,flags,buf,len) \
1270 ((void) duk_compile_raw((ctx), buf, len, 1 /*args*/ | (flags) | DUK_COMPILE_NOSOURCE))
1272 #define duk_pcompile_lstring(ctx,flags,buf,len) \
1273 (duk_compile_raw((ctx), buf, len, 0 /*args*/ | (flags) | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE | DUK_COMPILE_NOFILENAME))
1275 #define duk_pcompile_lstring_filename(ctx,flags,buf,len) \
1276 (duk_compile_raw((ctx), buf, len, 1 /*args*/ | (flags) | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE))
1279 * Bytecode load/dump
1282 DUK_EXTERNAL_DECL void duk_dump_function(duk_context *ctx);
1283 DUK_EXTERNAL_DECL void duk_load_function(duk_context *ctx);
1289 DUK_EXTERNAL_DECL void duk_push_context_dump(duk_context *ctx);
1292 * Debugger (debug protocol)
1295 DUK_EXTERNAL_DECL void duk_debugger_attach(duk_context *ctx,
1296 duk_debug_read_function read_cb,
1297 duk_debug_write_function write_cb,
1298 duk_debug_peek_function peek_cb,
1299 duk_debug_read_flush_function read_flush_cb,
1300 duk_debug_write_flush_function write_flush_cb,
1301 duk_debug_request_function request_cb,
1302 duk_debug_detached_function detached_cb,
1304 DUK_EXTERNAL_DECL void duk_debugger_detach(duk_context *ctx);
1305 DUK_EXTERNAL_DECL void duk_debugger_cooperate(duk_context *ctx);
1306 DUK_EXTERNAL_DECL duk_bool_t duk_debugger_notify(duk_context *ctx, duk_idx_t nvalues);
1307 DUK_EXTERNAL_DECL void duk_debugger_pause(duk_context *ctx);
1313 DUK_EXTERNAL_DECL duk_double_t duk_get_now(duk_context *ctx);
1314 DUK_EXTERNAL_DECL void duk_time_to_components(duk_context *ctx, duk_double_t timeval, duk_time_components *comp);
1315 DUK_EXTERNAL_DECL duk_double_t duk_components_to_time(duk_context *ctx, duk_time_components *comp);
1318 * Date provider related constants
1320 * NOTE: These are "semi public" - you should only use these if you write
1321 * your own platform specific Date provider, see doc/datetime.rst.
1324 /* Millisecond count constants. */
1325 #define DUK_DATE_MSEC_SECOND 1000L
1326 #define DUK_DATE_MSEC_MINUTE (60L * 1000L)
1327 #define DUK_DATE_MSEC_HOUR (60L * 60L * 1000L)
1328 #define DUK_DATE_MSEC_DAY (24L * 60L * 60L * 1000L)
1330 /* ECMAScript date range is 100 million days from Epoch:
1331 * > 100e6 * 24 * 60 * 60 * 1000 // 100M days in millisecs
1335 #define DUK_DATE_MSEC_100M_DAYS (8.64e15)
1336 #define DUK_DATE_MSEC_100M_DAYS_LEEWAY (8.64e15 + 24 * 3600e3)
1338 /* ECMAScript year range:
1339 * > new Date(100e6 * 24 * 3600e3).toISOString()
1340 * '+275760-09-13T00:00:00.000Z'
1341 * > new Date(-100e6 * 24 * 3600e3).toISOString()
1342 * '-271821-04-20T00:00:00.000Z'
1344 #define DUK_DATE_MIN_ECMA_YEAR (-271821L)
1345 #define DUK_DATE_MAX_ECMA_YEAR 275760L
1347 /* Part indices for internal breakdowns. Part order from DUK_DATE_IDX_YEAR
1348 * to DUK_DATE_IDX_MILLISECOND matches argument ordering of ECMAScript API
1349 * calls (like Date constructor call). Some functions in duk_bi_date.c
1350 * depend on the specific ordering, so change with care. 16 bits are not
1351 * enough for all parts (year, specifically).
1353 * Must be in-sync with genbuiltins.py.
1355 #define DUK_DATE_IDX_YEAR 0 /* year */
1356 #define DUK_DATE_IDX_MONTH 1 /* month: 0 to 11 */
1357 #define DUK_DATE_IDX_DAY 2 /* day within month: 0 to 30 */
1358 #define DUK_DATE_IDX_HOUR 3
1359 #define DUK_DATE_IDX_MINUTE 4
1360 #define DUK_DATE_IDX_SECOND 5
1361 #define DUK_DATE_IDX_MILLISECOND 6
1362 #define DUK_DATE_IDX_WEEKDAY 7 /* weekday: 0 to 6, 0=sunday, 1=monday, etc */
1363 #define DUK_DATE_IDX_NUM_PARTS 8
1365 /* Internal API call flags, used for various functions in duk_bi_date.c.
1366 * Certain flags are used by only certain functions, but since the flags
1367 * don't overlap, a single flags value can be passed around to multiple
1370 * The unused top bits of the flags field are also used to pass values
1371 * to helpers (duk__get_part_helper() and duk__set_part_helper()).
1373 * Must be in-sync with genbuiltins.py.
1376 /* NOTE: when writing a Date provider you only need a few specific
1377 * flags from here, the rest are internal. Avoid using anything you
1381 #define DUK_DATE_FLAG_NAN_TO_ZERO (1 << 0) /* timeval breakdown: internal time value NaN -> zero */
1382 #define DUK_DATE_FLAG_NAN_TO_RANGE_ERROR (1 << 1) /* timeval breakdown: internal time value NaN -> RangeError (toISOString) */
1383 #define DUK_DATE_FLAG_ONEBASED (1 << 2) /* timeval breakdown: convert month and day-of-month parts to one-based (default is zero-based) */
1384 #define DUK_DATE_FLAG_EQUIVYEAR (1 << 3) /* timeval breakdown: replace year with equivalent year in the [1971,2037] range for DST calculations */
1385 #define DUK_DATE_FLAG_LOCALTIME (1 << 4) /* convert time value to local time */
1386 #define DUK_DATE_FLAG_SUB1900 (1 << 5) /* getter: subtract 1900 from year when getting year part */
1387 #define DUK_DATE_FLAG_TOSTRING_DATE (1 << 6) /* include date part in string conversion result */
1388 #define DUK_DATE_FLAG_TOSTRING_TIME (1 << 7) /* include time part in string conversion result */
1389 #define DUK_DATE_FLAG_TOSTRING_LOCALE (1 << 8) /* use locale specific formatting if available */
1390 #define DUK_DATE_FLAG_TIMESETTER (1 << 9) /* setter: call is a time setter (affects hour, min, sec, ms); otherwise date setter (affects year, month, day-in-month) */
1391 #define DUK_DATE_FLAG_YEAR_FIXUP (1 << 10) /* setter: perform 2-digit year fixup (00...99 -> 1900...1999) */
1392 #define DUK_DATE_FLAG_SEP_T (1 << 11) /* string conversion: use 'T' instead of ' ' as a separator */
1393 #define DUK_DATE_FLAG_VALUE_SHIFT 12 /* additional values begin at bit 12 */
1396 * ROM pointer compression
1399 /* Support array for ROM pointer compression. Only declared when ROM
1400 * pointer compression is active.
1402 #if defined(DUK_USE_ROM_OBJECTS) && defined(DUK_USE_HEAPPTR16)
1403 DUK_EXTERNAL_DECL const void * const duk_rom_compressed_pointers[];
1410 #if defined(__cplusplus)
1411 /* end 'extern "C"' wrapper */
1419 #endif /* DUKTAPE_H_INCLUDED */