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Misc: switch back to SDL Qt Quick and QML was an exciting experiment but it's definitely not enough flexible and easy to use for game development. Using SDL2 will let us focusing on our own drawing functions without any kind of overhead. While here, start massive cleanup.
author David Demelier <markand@malikania.fr>
date Fri, 19 Oct 2018 20:18:19 +0200
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/*
 *  Duktape public API for Duktape 2.1.0.
 *
 *  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 1f1f51a4f9595ffe8def0e9ba45b20f14679393a (v2.1.0).
 *  Git branch master.
 *
 *  See Duktape AUTHORS.rst and LICENSE.txt for copyright and
 *  licensing information.
 */

/* LICENSE.txt */
/*
 *  ===============
 *  Duktape license
 *  ===============
 *  
 *  (http://opensource.org/licenses/MIT)
 *  
 *  Copyright (c) 2013-2017 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>
 *  
 *  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)
 *  
 *  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                       20100L

/* 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                    "1f1f51a4f9595ffe8def0e9ba45b20f14679393a"
#define DUK_GIT_DESCRIBE                  "v2.1.0"
#define DUK_GIT_BRANCH                    "master"

/* 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               64

/* Value types, used by e.g. duk_get_type() */
#define DUK_TYPE_MIN                      0
#define DUK_TYPE_NONE                     0    /* no value, e.g. invalid index */
#define DUK_TYPE_UNDEFINED                1    /* Ecmascript undefined */
#define DUK_TYPE_NULL                     2    /* Ecmascript null */
#define DUK_TYPE_BOOLEAN                  3    /* Ecmascript boolean: 0 or 1 */
#define DUK_TYPE_NUMBER                   4    /* Ecmascript number: double */
#define DUK_TYPE_STRING                   5    /* Ecmascript string: CESU-8 / extended UTF-8 encoded */
#define DUK_TYPE_OBJECT                   6    /* Ecmascript object: includes objects, arrays, functions, threads */
#define DUK_TYPE_BUFFER                   7    /* fixed or dynamic, garbage collected byte buffer */
#define DUK_TYPE_POINTER                  8    /* raw void pointer */
#define DUK_TYPE_LIGHTFUNC                9    /* lightweight function pointer */
#define DUK_TYPE_MAX                      9

/* Value mask types, used by e.g. duk_get_type_mask() */
#define DUK_TYPE_MASK_NONE                (1 << DUK_TYPE_NONE)
#define DUK_TYPE_MASK_UNDEFINED           (1 << DUK_TYPE_UNDEFINED)
#define DUK_TYPE_MASK_NULL                (1 << DUK_TYPE_NULL)
#define DUK_TYPE_MASK_BOOLEAN             (1 << DUK_TYPE_BOOLEAN)
#define DUK_TYPE_MASK_NUMBER              (1 << DUK_TYPE_NUMBER)
#define DUK_TYPE_MASK_STRING              (1 << DUK_TYPE_STRING)
#define DUK_TYPE_MASK_OBJECT              (1 << DUK_TYPE_OBJECT)
#define DUK_TYPE_MASK_BUFFER              (1 << DUK_TYPE_BUFFER)
#define DUK_TYPE_MASK_POINTER             (1 << DUK_TYPE_POINTER)
#define DUK_TYPE_MASK_LIGHTFUNC           (1 << DUK_TYPE_LIGHTFUNC)
#define DUK_TYPE_MASK_THROW               (1 << 10)  /* internal flag value: throw if mask doesn't match */
#define DUK_TYPE_MASK_PROMOTE             (1 << 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    (1 << 0)    /* enumerate non-numerable properties in addition to enumerable */
#define DUK_ENUM_INCLUDE_HIDDEN           (1 << 1)    /* enumerate hidden symbols too (in Duktape 1.x called internal properties) */
#define DUK_ENUM_INCLUDE_SYMBOLS          (1 << 2)    /* enumerate symbols */
#define DUK_ENUM_EXCLUDE_STRINGS          (1 << 3)    /* exclude strings */
#define DUK_ENUM_OWN_PROPERTIES_ONLY      (1 << 4)    /* don't walk prototype chain, only check own properties */
#define DUK_ENUM_ARRAY_INDICES_ONLY       (1 << 5)    /* only enumerate array indices */
#define DUK_ENUM_SORT_ARRAY_INDICES       (1 << 6)    /* sort array indices (applied to full enumeration result, including inherited array indices) */
#define DUK_ENUM_NO_PROXY_BEHAVIOR        (1 << 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                  (1 << 3)    /* compile eval code (instead of global code) */
#define DUK_COMPILE_FUNCTION              (1 << 4)    /* compile function code (instead of global code) */
#define DUK_COMPILE_STRICT                (1 << 5)    /* use strict (outer) context for global, eval, or function code */
#define DUK_COMPILE_SHEBANG               (1 << 6)    /* allow shebang ('#! ...') comment on first line of source */
#define DUK_COMPILE_SAFE                  (1 << 7)    /* (internal) catch compilation errors */
#define DUK_COMPILE_NORESULT              (1 << 8)    /* (internal) omit eval result */
#define DUK_COMPILE_NOSOURCE              (1 << 9)    /* (internal) no source string on stack */
#define DUK_COMPILE_STRLEN                (1 << 10)   /* (internal) take strlen() of src_buffer (avoids double evaluation in macro) */
#define DUK_COMPILE_NOFILENAME            (1 << 11)   /* (internal) no filename on stack */
#define DUK_COMPILE_FUNCEXPR              (1 << 12)   /* (internal) source is a function expression (used for Function constructor) */

/* Flags for duk_def_prop() and its variants */
#define DUK_DEFPROP_WRITABLE              (1 << 0)    /* set writable (effective if DUK_DEFPROP_HAVE_WRITABLE set) */
#define DUK_DEFPROP_ENUMERABLE            (1 << 1)    /* set enumerable (effective if DUK_DEFPROP_HAVE_ENUMERABLE set) */
#define DUK_DEFPROP_CONFIGURABLE          (1 << 2)    /* set configurable (effective if DUK_DEFPROP_HAVE_CONFIGURABLE set) */
#define DUK_DEFPROP_HAVE_WRITABLE         (1 << 3)    /* set/clear writable */
#define DUK_DEFPROP_HAVE_ENUMERABLE       (1 << 4)    /* set/clear enumerable */
#define DUK_DEFPROP_HAVE_CONFIGURABLE     (1 << 5)    /* set/clear configurable */
#define DUK_DEFPROP_HAVE_VALUE            (1 << 6)    /* set value (given on value stack) */
#define DUK_DEFPROP_HAVE_GETTER           (1 << 7)    /* set getter (given on value stack) */
#define DUK_DEFPROP_HAVE_SETTER           (1 << 8)    /* set setter (given on value stack) */
#define DUK_DEFPROP_FORCE                 (1 << 9)    /* force change if possible, may still fail for e.g. virtual properties */
#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

/* Flags for duk_push_thread_raw() */
#define DUK_THREAD_NEW_GLOBAL_ENV         (1 << 0)    /* create a new global environment */

/* Flags for duk_gc() */
#define DUK_GC_COMPACT                    (1 << 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

/*
 *  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_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_EXTERNAL_DECL void duk_push_this(duk_context *ctx);
DUK_EXTERNAL_DECL void duk_push_current_function(duk_context *ctx);
DUK_EXTERNAL_DECL void duk_push_current_thread(duk_context *ctx);
DUK_EXTERNAL_DECL void duk_push_global_object(duk_context *ctx);
DUK_EXTERNAL_DECL void duk_push_heap_stash(duk_context *ctx);
DUK_EXTERNAL_DECL void duk_push_global_stash(duk_context *ctx);
DUK_EXTERNAL_DECL void duk_push_thread_stash(duk_context *ctx, duk_context *target_ctx);

DUK_EXTERNAL_DECL duk_idx_t duk_push_object(duk_context *ctx);
DUK_EXTERNAL_DECL duk_idx_t duk_push_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_c_function(duk_context *ctx, duk_c_function func, duk_idx_t nargs);
DUK_EXTERNAL_DECL duk_idx_t duk_push_c_lightfunc(duk_context *ctx, duk_c_function func, duk_idx_t nargs, duk_idx_t length, duk_int_t magic);
DUK_EXTERNAL_DECL duk_idx_t duk_push_thread_raw(duk_context *ctx, duk_uint_t flags);

#define duk_push_thread(ctx) \
	duk_push_thread_raw((ctx), 0 /*flags*/)

#define duk_push_thread_new_globalenv(ctx) \
	duk_push_thread_raw((ctx), DUK_THREAD_NEW_GLOBAL_ENV /*flags*/)

DUK_EXTERNAL_DECL duk_idx_t duk_push_error_object_raw(duk_context *ctx, duk_errcode_t err_code, const char *filename, duk_int_t line, const char *fmt, ...);

#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_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_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_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);

#define DUK_BUF_MODE_FIXED      0   /* internal: request fixed buffer result */
#define DUK_BUF_MODE_DYNAMIC    1   /* internal: request dynamic buffer result */
#define DUK_BUF_MODE_DONTCARE   2   /* internal: don't care about fixed/dynamic nature */

#define duk_to_buffer(ctx,idx,out_size) \
	duk_to_buffer_raw((ctx), (idx), (out_size), DUK_BUF_MODE_DONTCARE)
#define duk_to_fixed_buffer(ctx,idx,out_size) \
	duk_to_buffer_raw((ctx), (idx), (out_size), DUK_BUF_MODE_FIXED)
#define duk_to_dynamic_buffer(ctx,idx,out_size) \
	duk_to_buffer_raw((ctx), (idx), (out_size), DUK_BUF_MODE_DYNAMIC)

/* safe variants of a few coercion operations */
DUK_EXTERNAL_DECL const char *duk_safe_to_lstring(duk_context *ctx, duk_idx_t idx, duk_size_t *out_len);
#define duk_safe_to_string(ctx,idx) \
	duk_safe_to_lstring((ctx), (idx), NULL)

/*
 *  Value length
 */

DUK_EXTERNAL_DECL duk_size_t duk_get_length(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL void duk_set_length(duk_context *ctx, duk_idx_t idx, duk_size_t len);
#if 0
/* duk_require_length()? */
/* duk_opt_length()? */
#endif

/*
 *  Misc conversion
 */

DUK_EXTERNAL_DECL const char *duk_base64_encode(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL void duk_base64_decode(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL const char *duk_hex_encode(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL void duk_hex_decode(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL const char *duk_json_encode(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL void duk_json_decode(duk_context *ctx, duk_idx_t idx);

DUK_EXTERNAL_DECL const char *duk_buffer_to_string(duk_context *ctx, duk_idx_t idx);

/*
 *  Buffer
 */

DUK_EXTERNAL_DECL void *duk_resize_buffer(duk_context *ctx, duk_idx_t idx, duk_size_t new_size);
DUK_EXTERNAL_DECL void *duk_steal_buffer(duk_context *ctx, duk_idx_t idx, duk_size_t *out_size);
DUK_EXTERNAL_DECL void duk_config_buffer(duk_context *ctx, duk_idx_t idx, void *ptr, duk_size_t len);

/*
 *  Property access
 *
 *  The basic function assumes key is on stack.  The _string variant takes
 *  a C string as a property name, while the _index variant takes an array
 *  index as a property name (e.g. 123 is equivalent to the key "123").
 */

DUK_EXTERNAL_DECL duk_bool_t duk_get_prop(duk_context *ctx, duk_idx_t obj_idx);
DUK_EXTERNAL_DECL duk_bool_t duk_get_prop_string(duk_context *ctx, duk_idx_t obj_idx, const char *key);
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);
DUK_EXTERNAL_DECL duk_bool_t duk_get_prop_index(duk_context *ctx, duk_idx_t obj_idx, duk_uarridx_t arr_idx);
DUK_EXTERNAL_DECL duk_bool_t duk_put_prop(duk_context *ctx, duk_idx_t obj_idx);
DUK_EXTERNAL_DECL duk_bool_t duk_put_prop_string(duk_context *ctx, duk_idx_t obj_idx, const char *key);
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);
DUK_EXTERNAL_DECL duk_bool_t duk_put_prop_index(duk_context *ctx, duk_idx_t obj_idx, duk_uarridx_t arr_idx);
DUK_EXTERNAL_DECL duk_bool_t duk_del_prop(duk_context *ctx, duk_idx_t obj_idx);
DUK_EXTERNAL_DECL duk_bool_t duk_del_prop_string(duk_context *ctx, duk_idx_t obj_idx, const char *key);
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);
DUK_EXTERNAL_DECL duk_bool_t duk_del_prop_index(duk_context *ctx, duk_idx_t obj_idx, duk_uarridx_t arr_idx);
DUK_EXTERNAL_DECL duk_bool_t duk_has_prop(duk_context *ctx, duk_idx_t obj_idx);
DUK_EXTERNAL_DECL duk_bool_t duk_has_prop_string(duk_context *ctx, duk_idx_t obj_idx, const char *key);
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);
DUK_EXTERNAL_DECL duk_bool_t duk_has_prop_index(duk_context *ctx, duk_idx_t obj_idx, duk_uarridx_t arr_idx);

DUK_EXTERNAL_DECL void duk_get_prop_desc(duk_context *ctx, duk_idx_t obj_idx, duk_uint_t flags);
DUK_EXTERNAL_DECL void duk_def_prop(duk_context *ctx, duk_idx_t obj_idx, duk_uint_t flags);

DUK_EXTERNAL_DECL duk_bool_t duk_get_global_string(duk_context *ctx, const char *key);
DUK_EXTERNAL_DECL duk_bool_t duk_get_global_lstring(duk_context *ctx, const char *key, duk_size_t key_len);
DUK_EXTERNAL_DECL duk_bool_t duk_put_global_string(duk_context *ctx, const char *key);
DUK_EXTERNAL_DECL duk_bool_t duk_put_global_lstring(duk_context *ctx, const char *key, duk_size_t key_len);

/*
 *  Inspection
 */

DUK_EXTERNAL_DECL void duk_inspect_value(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL void duk_inspect_callstack_entry(duk_context *ctx, duk_int_t level);

/*
 *  Object prototype
 */

DUK_EXTERNAL_DECL void duk_get_prototype(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL void duk_set_prototype(duk_context *ctx, duk_idx_t idx);

/*
 *  Object finalizer
 */

DUK_EXTERNAL_DECL void duk_get_finalizer(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL void duk_set_finalizer(duk_context *ctx, duk_idx_t idx);

/*
 *  Global object
 */

DUK_EXTERNAL_DECL void duk_set_global_object(duk_context *ctx);

/*
 *  Duktape/C function magic value
 */

DUK_EXTERNAL_DECL duk_int_t duk_get_magic(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL void duk_set_magic(duk_context *ctx, duk_idx_t idx, duk_int_t magic);
DUK_EXTERNAL_DECL duk_int_t duk_get_current_magic(duk_context *ctx);

/*
 *  Module helpers: put multiple function or constant properties
 */

DUK_EXTERNAL_DECL void duk_put_function_list(duk_context *ctx, duk_idx_t obj_idx, const duk_function_list_entry *funcs);
DUK_EXTERNAL_DECL void duk_put_number_list(duk_context *ctx, duk_idx_t obj_idx, const duk_number_list_entry *numbers);

/*
 *  Object operations
 */

DUK_EXTERNAL_DECL void duk_compact(duk_context *ctx, duk_idx_t obj_idx);
DUK_EXTERNAL_DECL void duk_enum(duk_context *ctx, duk_idx_t obj_idx, duk_uint_t enum_flags);
DUK_EXTERNAL_DECL duk_bool_t duk_next(duk_context *ctx, duk_idx_t enum_idx, duk_bool_t get_value);

/*
 *  String manipulation
 */

DUK_EXTERNAL_DECL void duk_concat(duk_context *ctx, duk_idx_t count);
DUK_EXTERNAL_DECL void duk_join(duk_context *ctx, duk_idx_t count);
DUK_EXTERNAL_DECL void duk_decode_string(duk_context *ctx, duk_idx_t idx, duk_decode_char_function callback, void *udata);
DUK_EXTERNAL_DECL void duk_map_string(duk_context *ctx, duk_idx_t idx, duk_map_char_function callback, void *udata);
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);
DUK_EXTERNAL_DECL void duk_trim(duk_context *ctx, duk_idx_t idx);
DUK_EXTERNAL_DECL duk_codepoint_t duk_char_code_at(duk_context *ctx, duk_idx_t idx, duk_size_t char_offset);

/*
 *  Ecmascript operators
 */

DUK_EXTERNAL_DECL duk_bool_t duk_equals(duk_context *ctx, duk_idx_t idx1, duk_idx_t idx2);
DUK_EXTERNAL_DECL duk_bool_t duk_strict_equals(duk_context *ctx, duk_idx_t idx1, duk_idx_t idx2);
DUK_EXTERNAL_DECL duk_bool_t duk_samevalue(duk_context *ctx, duk_idx_t idx1, duk_idx_t idx2);
DUK_EXTERNAL_DECL duk_bool_t duk_instanceof(duk_context *ctx, duk_idx_t idx1, duk_idx_t idx2);

/*
 *  Function (method) calls
 */

DUK_EXTERNAL_DECL void duk_call(duk_context *ctx, duk_idx_t nargs);
DUK_EXTERNAL_DECL void duk_call_method(duk_context *ctx, duk_idx_t nargs);
DUK_EXTERNAL_DECL void duk_call_prop(duk_context *ctx, duk_idx_t obj_idx, duk_idx_t nargs);
DUK_EXTERNAL_DECL duk_int_t duk_pcall(duk_context *ctx, duk_idx_t nargs);
DUK_EXTERNAL_DECL duk_int_t duk_pcall_method(duk_context *ctx, duk_idx_t nargs);
DUK_EXTERNAL_DECL duk_int_t duk_pcall_prop(duk_context *ctx, duk_idx_t obj_idx, duk_idx_t nargs);
DUK_EXTERNAL_DECL void duk_new(duk_context *ctx, duk_idx_t nargs);
DUK_EXTERNAL_DECL duk_int_t duk_pnew(duk_context *ctx, duk_idx_t nargs);
DUK_EXTERNAL_DECL duk_int_t duk_safe_call(duk_context *ctx, duk_safe_call_function func, void *udata, duk_idx_t nargs, duk_idx_t nrets);

/*
 *  Thread management
 */

/* There are currently no native functions to yield/resume, due to the internal
 * limitations on coroutine handling.  These will be added later.
 */

/*
 *  Compilation and evaluation
 */

DUK_EXTERNAL_DECL duk_int_t duk_eval_raw(duk_context *ctx, const char *src_buffer, duk_size_t src_length, duk_uint_t flags);
DUK_EXTERNAL_DECL duk_int_t duk_compile_raw(duk_context *ctx, const char *src_buffer, duk_size_t src_length, duk_uint_t flags);

/* plain */
#define duk_eval(ctx)  \
	((void) duk_eval_raw((ctx), NULL, 0, 1 /*args*/ | DUK_COMPILE_EVAL | DUK_COMPILE_NOFILENAME))

#define duk_eval_noresult(ctx)  \
	((void) duk_eval_raw((ctx), NULL, 0, 1 /*args*/ | DUK_COMPILE_EVAL | DUK_COMPILE_NORESULT | DUK_COMPILE_NOFILENAME))

#define duk_peval(ctx)  \
	(duk_eval_raw((ctx), NULL, 0, 1 /*args*/ | DUK_COMPILE_EVAL | DUK_COMPILE_SAFE | DUK_COMPILE_NOFILENAME))

#define duk_peval_noresult(ctx)  \
	(duk_eval_raw((ctx), NULL, 0, 1 /*args*/ | DUK_COMPILE_EVAL | DUK_COMPILE_SAFE | DUK_COMPILE_NORESULT | DUK_COMPILE_NOFILENAME))

#define duk_compile(ctx,flags)  \
	((void) duk_compile_raw((ctx), NULL, 0, 2 /*args*/ | (flags)))

#define duk_pcompile(ctx,flags)  \
	(duk_compile_raw((ctx), NULL, 0, 2 /*args*/ | (flags) | DUK_COMPILE_SAFE))

/* string */
#define duk_eval_string(ctx,src)  \
	((void) duk_eval_raw((ctx), (src), 0, 0 /*args*/ | DUK_COMPILE_EVAL | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN | DUK_COMPILE_NOFILENAME))

#define duk_eval_string_noresult(ctx,src)  \
	((void) duk_eval_raw((ctx), (src), 0, 0 /*args*/ | DUK_COMPILE_EVAL | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN | DUK_COMPILE_NORESULT | DUK_COMPILE_NOFILENAME))

#define duk_peval_string(ctx,src)  \
	(duk_eval_raw((ctx), (src), 0, 0 /*args*/ | DUK_COMPILE_EVAL | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN | DUK_COMPILE_NOFILENAME))

#define duk_peval_string_noresult(ctx,src)  \
	(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))

#define duk_compile_string(ctx,flags,src)  \
	((void) duk_compile_raw((ctx), (src), 0, 0 /*args*/ | (flags) | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN | DUK_COMPILE_NOFILENAME))

#define duk_compile_string_filename(ctx,flags,src)  \
	((void) duk_compile_raw((ctx), (src), 0, 1 /*args*/ | (flags) | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN))

#define duk_pcompile_string(ctx,flags,src)  \
	(duk_compile_raw((ctx), (src), 0, 0 /*args*/ | (flags) | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN | DUK_COMPILE_NOFILENAME))

#define duk_pcompile_string_filename(ctx,flags,src)  \
	(duk_compile_raw((ctx), (src), 0, 1 /*args*/ | (flags) | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN))

/* lstring */
#define duk_eval_lstring(ctx,buf,len)  \
	((void) duk_eval_raw((ctx), buf, len, 0 /*args*/ | DUK_COMPILE_EVAL | DUK_COMPILE_NOSOURCE | DUK_COMPILE_NOFILENAME))

#define duk_eval_lstring_noresult(ctx,buf,len)  \
	((void) duk_eval_raw((ctx), buf, len, 0 /*args*/ | DUK_COMPILE_EVAL | DUK_COMPILE_NOSOURCE | DUK_COMPILE_NORESULT | DUK_COMPILE_NOFILENAME))

#define duk_peval_lstring(ctx,buf,len)  \
	(duk_eval_raw((ctx), buf, len, 0 /*args*/ | DUK_COMPILE_EVAL | DUK_COMPILE_NOSOURCE | DUK_COMPILE_SAFE | DUK_COMPILE_NOFILENAME))

#define duk_peval_lstring_noresult(ctx,buf,len)  \
	(duk_eval_raw((ctx), buf, len, 0 /*args*/ | DUK_COMPILE_EVAL | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE | DUK_COMPILE_NORESULT | DUK_COMPILE_NOFILENAME))

#define duk_compile_lstring(ctx,flags,buf,len)  \
	((void) duk_compile_raw((ctx), buf, len, 0 /*args*/ | (flags) | DUK_COMPILE_NOSOURCE | DUK_COMPILE_NOFILENAME))

#define duk_compile_lstring_filename(ctx,flags,buf,len)  \
	((void) duk_compile_raw((ctx), buf, len, 1 /*args*/ | (flags) | DUK_COMPILE_NOSOURCE))

#define duk_pcompile_lstring(ctx,flags,buf,len)  \
	(duk_compile_raw((ctx), buf, len, 0 /*args*/ | (flags) | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE | DUK_COMPILE_NOFILENAME))

#define duk_pcompile_lstring_filename(ctx,flags,buf,len)  \
	(duk_compile_raw((ctx), buf, len, 1 /*args*/ | (flags) | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE))

/*
 *  Bytecode load/dump
 */

DUK_EXTERNAL_DECL void duk_dump_function(duk_context *ctx);
DUK_EXTERNAL_DECL void duk_load_function(duk_context *ctx);

/*
 *  Debugging
 */

DUK_EXTERNAL_DECL void duk_push_context_dump(duk_context *ctx);

/*
 *  Debugger (debug protocol)
 */

DUK_EXTERNAL_DECL void duk_debugger_attach(duk_context *ctx,
                                           duk_debug_read_function read_cb,
                                           duk_debug_write_function write_cb,
                                           duk_debug_peek_function peek_cb,
                                           duk_debug_read_flush_function read_flush_cb,
                                           duk_debug_write_flush_function write_flush_cb,
                                           duk_debug_request_function request_cb,
                                           duk_debug_detached_function detached_cb,
                                           void *udata);
DUK_EXTERNAL_DECL void duk_debugger_detach(duk_context *ctx);
DUK_EXTERNAL_DECL void duk_debugger_cooperate(duk_context *ctx);
DUK_EXTERNAL_DECL duk_bool_t duk_debugger_notify(duk_context *ctx, duk_idx_t nvalues);
DUK_EXTERNAL_DECL void duk_debugger_pause(duk_context *ctx);

/*
 *  Time handling
 */

DUK_EXTERNAL_DECL duk_double_t duk_get_now(duk_context *ctx);
DUK_EXTERNAL_DECL void duk_time_to_components(duk_context *ctx, duk_double_t timeval, duk_time_components *comp);
DUK_EXTERNAL_DECL duk_double_t duk_components_to_time(duk_context *ctx, duk_time_components *comp);

/*
 *  Date provider related constants
 *
 *  NOTE: These are "semi public" - you should only use these if you write
 *  your own platform specific Date provider, see doc/datetime.rst.
 */

/* Millisecond count constants. */
#define DUK_DATE_MSEC_SECOND          1000L
#define DUK_DATE_MSEC_MINUTE          (60L * 1000L)
#define DUK_DATE_MSEC_HOUR            (60L * 60L * 1000L)
#define DUK_DATE_MSEC_DAY             (24L * 60L * 60L * 1000L)

/* Ecmascript date range is 100 million days from Epoch:
 * > 100e6 * 24 * 60 * 60 * 1000  // 100M days in millisecs
 * 8640000000000000
 * (= 8.64e15)
 */
#define DUK_DATE_MSEC_100M_DAYS         (8.64e15)
#define DUK_DATE_MSEC_100M_DAYS_LEEWAY  (8.64e15 + 24 * 3600e3)

/* Ecmascript year range:
 * > new Date(100e6 * 24 * 3600e3).toISOString()
 * '+275760-09-13T00:00:00.000Z'
 * > new Date(-100e6 * 24 * 3600e3).toISOString()
 * '-271821-04-20T00:00:00.000Z'
 */
#define DUK_DATE_MIN_ECMA_YEAR     (-271821L)
#define DUK_DATE_MAX_ECMA_YEAR     275760L

/* Part indices for internal breakdowns.  Part order from DUK_DATE_IDX_YEAR
 * to DUK_DATE_IDX_MILLISECOND matches argument ordering of Ecmascript API
 * calls (like Date constructor call).  Some functions in duk_bi_date.c
 * depend on the specific ordering, so change with care.  16 bits are not
 * enough for all parts (year, specifically).
 *
 * Must be in-sync with genbuiltins.py.
 */
#define DUK_DATE_IDX_YEAR           0  /* year */
#define DUK_DATE_IDX_MONTH          1  /* month: 0 to 11 */
#define DUK_DATE_IDX_DAY            2  /* day within month: 0 to 30 */
#define DUK_DATE_IDX_HOUR           3
#define DUK_DATE_IDX_MINUTE         4
#define DUK_DATE_IDX_SECOND         5
#define DUK_DATE_IDX_MILLISECOND    6
#define DUK_DATE_IDX_WEEKDAY        7  /* weekday: 0 to 6, 0=sunday, 1=monday, etc */
#define DUK_DATE_IDX_NUM_PARTS      8

/* Internal API call flags, used for various functions in duk_bi_date.c.
 * Certain flags are used by only certain functions, but since the flags
 * don't overlap, a single flags value can be passed around to multiple
 * functions.
 *
 * The unused top bits of the flags field are also used to pass values
 * to helpers (duk__get_part_helper() and duk__set_part_helper()).
 *
 * Must be in-sync with genbuiltins.py.
 */

/* NOTE: when writing a Date provider you only need a few specific
 * flags from here, the rest are internal.  Avoid using anything you
 * don't need.
 */

#define DUK_DATE_FLAG_NAN_TO_ZERO          (1 << 0)  /* timeval breakdown: internal time value NaN -> zero */
#define DUK_DATE_FLAG_NAN_TO_RANGE_ERROR   (1 << 1)  /* timeval breakdown: internal time value NaN -> RangeError (toISOString) */
#define DUK_DATE_FLAG_ONEBASED             (1 << 2)  /* timeval breakdown: convert month and day-of-month parts to one-based (default is zero-based) */
#define DUK_DATE_FLAG_EQUIVYEAR            (1 << 3)  /* timeval breakdown: replace year with equivalent year in the [1971,2037] range for DST calculations */
#define DUK_DATE_FLAG_LOCALTIME            (1 << 4)  /* convert time value to local time */
#define DUK_DATE_FLAG_SUB1900              (1 << 5)  /* getter: subtract 1900 from year when getting year part */
#define DUK_DATE_FLAG_TOSTRING_DATE        (1 << 6)  /* include date part in string conversion result */
#define DUK_DATE_FLAG_TOSTRING_TIME        (1 << 7)  /* include time part in string conversion result */
#define DUK_DATE_FLAG_TOSTRING_LOCALE      (1 << 8)  /* use locale specific formatting if available */
#define DUK_DATE_FLAG_TIMESETTER           (1 << 9)  /* setter: call is a time setter (affects hour, min, sec, ms); otherwise date setter (affects year, month, day-in-month) */
#define DUK_DATE_FLAG_YEAR_FIXUP           (1 << 10) /* setter: perform 2-digit year fixup (00...99 -> 1900...1999) */
#define DUK_DATE_FLAG_SEP_T                (1 << 11) /* string conversion: use 'T' instead of ' ' as a separator */
#define DUK_DATE_FLAG_VALUE_SHIFT          12        /* additional values begin at bit 12 */

/*
 *  ROM pointer compression
 */

/* Support array for ROM pointer compression.  Only declared when ROM
 * pointer compression is active.
 */
#if defined(DUK_USE_ROM_OBJECTS) && defined(DUK_USE_HEAPPTR16)
DUK_EXTERNAL_DECL const void * const duk_rom_compressed_pointers[];
#endif

/*
 *  C++ name mangling
 */

#if defined(__cplusplus)
/* end 'extern "C"' wrapper */
}
#endif

/*
 *  END PUBLIC API
 */

#endif  /* DUKTAPE_H_INCLUDED */