/* * duk_config.h configuration header generated by genconfig.py. * * Git commit: external * Git describe: external * Git branch: external * * Supported platforms: * - Plan9 * - Generic UNIX * - Generic fallback * * Supported architectures: * - x86 * - x64 * - ARM 32-bit * - ARM 64-bit * Supported compilers: * - Generic * */ #if !defined(DUK_CONFIG_H_INCLUDED) #define DUK_CONFIG_H_INCLUDED /* * Intermediate helper defines */ /* DLL build detection */ /* not configured for DLL build */ #undef DUK_F_DLL_BUILD /* Plan9 */ #if defined(__plan9ape__) #define DUK_F_PLAN9 #endif /* Intel x86 (32-bit), x64 (64-bit) or x32 (64-bit but 32-bit pointers), * define only one of DUK_F_X86, DUK_F_X64, DUK_F_X32. * https://sites.google.com/site/x32abi/ * * With DUK_F_OLD_SOLARIS the header must be included * before this. */ #if defined(_amd64) #define DUK_F_X64 #elif defined(_386) #define DUK_F_X86 #endif /* ARM */ #if defined(_arm) || defined(_arm64) #define DUK_F_ARM #if defined (_arm64) #define DUK_F_ARM64 #else #define DUK_F_ARM32 #endif #endif /************************************* * Platform autodetection *************************************/ #if defined(DUK_F_PLAN9) #define DUK_USE_DATE_NOW_GETTIMEOFDAY #define DUK_USE_DATE_TZO_GMTIME_R #define DUK_USE_DATE_PRS_STRPTIME #define DUK_USE_DATE_FMT_STRFTIME #define _REENTRANT_SOURCE #define DUK_DOUBLE_INFINITY Inf(1) #define DUK_DOUBLE_NAN (NaN()) #define DUK_SIZE_MAX SSIZE_MAX #define DUK_SINGLE_FILE #if defined(_386) || defined(_arm) #define DUK_F_32BIT_PTRS #if defined(_386) #define DUK_USE_INTEGER_LE #define DUK_USE_DOUBLE_LE #define DUK_USE_ARCH_STRING "x86" #else #define DUK_USE_INTEGER_LE /* integer endianness is little on purpose */ #define DUK_USE_DOUBLE_ME #define DUK_USE_ARCH_STRING "arm32" #endif #elif defined(_amd64) || defined(_arm64) #define DUK_F_64BIT_PTRS #if defined(_amd64) #define DUK_USE_INTEGER_LE #define DUK_USE_DOUBLE_LE #define DUK_USE_ARCH_STRING "x64" #else #define DUK_USE_INTEGER_LE /* integer endianness is little on purpose */ #define DUK_USE_DOUBLE_ME #define DUK_USE_ARCH_STRING "arm64" #endif #endif typedef int duk_int_t; #include #include #include #include #include #define DUK_USE_OS_STRING "plan9" typedef intptr_t duk_intptr_t; typedef unsigned short duk_small_uint_fast_t; typedef unsigned int duk_uint_fast_t; typedef int duk_int_fast_t; #endif /* autodetect platform */ /******************************************************** * End of Platform autodetection ****** ********************************************************/ /******************************************************************************* **************************** for all platforms *********************************** ********************************************************************************/ /* Shared includes: C89 */ #include #include #include #include /* varargs */ #include #include /* e.g. ptrdiff_t */ #include #include /* Shared includes: stdint.h is C99 */ #include /* is only included if needed, based on DUK_USE_xxx flags. */ /*************************************************************************** ********************End of Architecture autodetection ********************* ****************************************************************************/ /*************************************************************************** ********************* Compiler autodetection ***************************** ***************************************************************************/ /* --- Generic --- */ #undef DUK_USE_BRANCH_HINTS #if defined(DUK_F_CPP) #define DUK_USE_COMPILER_STRING "generic-c++" #else #define DUK_USE_COMPILER_STRING "generic" #endif #undef DUK_USE_VARIADIC_MACROS /* C++ doesn't have standard designated union initializers ({ .foo = 1 }). */ #undef DUK_USE_UNION_INITIALIZERS /* Most portable, wastes space */ #define DUK_USE_FLEX_ONESIZE /* Most portable, potentially wastes space */ #define DUK_USE_PACK_DUMMY_MEMBER /*************************************************************************** *********************End of Compiler autodetection ********************** ***************************************************************************/ /* * Wrapper typedefs and constants for integer types, also sanity check types. * * C99 typedefs are quite good but not always available, and we want to avoid * forcibly redefining the C99 typedefs. So, there are Duktape wrappers for * all C99 typedefs and Duktape code should only use these typedefs. Type * detection when C99 is not supported is best effort and may end up detecting * some types incorrectly. * * Pointer sizes are a portability problem: pointers to different types may * have a different size and function pointers are very difficult to manage * portably. * * http://en.wikipedia.org/wiki/C_data_types#Fixed-width_integer_types * * Note: there's an interesting corner case when trying to define minimum * signed integer value constants which leads to the current workaround of * defining e.g. -0x80000000 as (-0x7fffffffL - 1L). See doc/code-issues.txt * for a longer discussion. * * Note: avoid typecasts and computations in macro integer constants as they * can then no longer be used in macro relational expressions (such as * #if DUK_SIZE_MAX < 0xffffffffUL). There is internal code which relies on * being able to compare DUK_SIZE_MAX against a limit. */ /* XXX: add feature options to force basic types from outside? */ #if !defined(INT_MAX) /* defined in limits.h */ #error INT_MAX not defined #endif /* Check that architecture is two's complement, standard C allows e.g. * INT_MIN to be -2**31+1 (instead of -2**31). */ #if defined(INT_MAX) && defined(INT_MIN) /* Plan9 OK */ #if INT_MAX != -(INT_MIN + 1) #error platform does not seem complement of two #endif #else #error cannot check complement of two #endif /* Pointer size determination based on __WORDSIZE or architecture when * that's not available. */ #if defined(DUK_F_X86) || defined(DUK_F_ARM32) #define DUK_F_32BIT_PTRS /* plan9ape OK */ #elif defined(DUK_F_X64) || defined(DUK_F_ARM64) #define DUK_F_64BIT_PTRS #else /* not sure, not needed with C99 anyway */ #endif /* Basic integer typedefs and limits, preferably from inttypes.h, otherwise * through automatic detection. */ /**************************************************************************************** ********************* Start of C99 types ***plan9ape is here****************************** *****************************************************************************************/ /* When C99 types are not available, we use heuristic detection to get * the basic 8, 16, 32, and (possibly) 64 bit types. The fast/least * types are then assumed to be exactly the same for now: these could * be improved per platform but C99 types are very often now available. * 64-bit types are not available on all platforms; this is OK at least * on 32-bit platforms. * * This detection code is necessarily a bit hacky and can provide typedefs * and defines that won't work correctly on some exotic platform. */ #if (defined(CHAR_BIT) && (CHAR_BIT == 8)) || \ (defined(UCHAR_MAX) && (UCHAR_MAX == 255)) typedef unsigned char duk_uint8_t; typedef signed char duk_int8_t; #else #error cannot detect 8-bit type #endif #if defined(USHRT_MAX) && (USHRT_MAX == 65535UL) /* plan9 is this K.Okamoto */ typedef unsigned short duk_uint16_t; typedef signed short duk_int16_t; #endif #if defined(UINT_MAX) && (UINT_MAX == 4294967295UL) /* plan9 is this K.Okamoto */ typedef unsigned int duk_uint32_t; typedef signed int duk_int32_t; #elif defined(ULONG_MAX) && (ULONG_MAX == 4294967295UL) /* On some platforms int is 16-bit but long is 32-bit (e.g. PureC) */ typedef unsigned long duk_uint32_t; typedef signed long duk_int32_t; #else #error cannot detect 32-bit type #endif /* 64-bit type detection is a bit tricky. * * ULLONG_MAX is a standard define. __LONG_LONG_MAX__ and __ULONG_LONG_MAX__ * are used by at least GCC (even if system headers don't provide ULLONG_MAX). * Some GCC variants may provide __LONG_LONG_MAX__ but not __ULONG_LONG_MAX__. * * ULL / LL constants are rejected / warned about by some compilers, even if * the compiler has a 64-bit type and the compiler/system headers provide an * unsupported constant (ULL/LL)! Try to avoid using ULL / LL constants. * As a side effect we can only check that e.g. ULONG_MAX is larger than 32 * bits but can't be sure it is exactly 64 bits. Self tests will catch such * cases. */ #undef DUK_F_HAVE_64BIT #if !defined(DUK_F_32BIT_PTR) #if !defined(DUK_F_HAVE_64BIT) && defined(ULLONG_MAX) /* ULLONG_MAX in limits.h K.Okamoto */ #define DUK_F_HAVE_64BIT typedef unsigned long long duk_uint64_t; typedef long long duk_int64_t; #endif #endif typedef duk_uint8_t duk_uint_least8_t; typedef duk_int8_t duk_int_least8_t; typedef duk_uint16_t duk_uint_least16_t; typedef duk_int16_t duk_int_least16_t; typedef duk_uint32_t duk_uint_least32_t; typedef duk_int32_t duk_int_least32_t; typedef duk_uint8_t duk_uint_fast8_t; typedef duk_int8_t duk_int_fast8_t; typedef duk_uint16_t duk_uint_fast16_t; typedef duk_int16_t duk_int_fast16_t; typedef duk_uint32_t duk_uint_fast32_t; typedef duk_int32_t duk_int_fast32_t; #if defined(DUK_F_HAVE_64BIT) typedef duk_uint64_t duk_uint_least64_t; typedef duk_int64_t duk_int_least64_t; typedef duk_uint64_t duk_uint_fast64_t; typedef duk_int64_t duk_int_fast64_t; #endif #if defined(DUK_F_HAVE_64BIT) typedef duk_uint64_t duk_uintmax_t; typedef duk_int64_t duk_intmax_t; #else typedef duk_uint32_t duk_uintmax_t; typedef duk_int32_t duk_intmax_t; #endif /* Note: the funny looking computations for signed minimum 16-bit, 32-bit, and * 64-bit values are intentional as the obvious forms (e.g. -0x80000000L) are * -not- portable. See code-issues.txt for a detailed discussion. */ #define DUK_UINT8_MIN 0UL #define DUK_UINT8_MAX 0xffUL #define DUK_INT8_MIN (-0x80L) #define DUK_INT8_MAX 0x7fL #define DUK_UINT_LEAST8_MIN 0UL #define DUK_UINT_LEAST8_MAX 0xffUL #define DUK_INT_LEAST8_MIN (-0x80L) #define DUK_INT_LEAST8_MAX 0x7fL #define DUK_UINT_FAST8_MIN 0UL #define DUK_UINT_FAST8_MAX 0xffUL #define DUK_INT_FAST8_MIN (-0x80L) #define DUK_INT_FAST8_MAX 0x7fL #define DUK_UINT16_MIN 0UL #define DUK_UINT16_MAX 0xffffUL #define DUK_INT16_MIN (-0x7fffL - 1L) #define DUK_INT16_MAX 0x7fffL #define DUK_UINT_LEAST16_MIN 0UL #define DUK_UINT_LEAST16_MAX 0xffffUL #define DUK_INT_LEAST16_MIN (-0x7fffL - 1L) #define DUK_INT_LEAST16_MAX 0x7fffL #define DUK_UINT_FAST16_MIN 0UL #define DUK_UINT_FAST16_MAX 0xffffUL #define DUK_INT_FAST16_MIN (-0x7fffL - 1L) #define DUK_INT_FAST16_MAX 0x7fffL #define DUK_UINT32_MIN 0UL #define DUK_UINT32_MAX 0xffffffffUL #define DUK_INT32_MIN (-0x7fffffffL - 1L) #define DUK_INT32_MAX 0x7fffffffL #define DUK_UINT_LEAST32_MIN 0UL #define DUK_UINT_LEAST32_MAX 0xffffffffUL #define DUK_INT_LEAST32_MIN (-0x7fffffffL - 1L) #define DUK_INT_LEAST32_MAX 0x7fffffffL #define DUK_UINT_FAST32_MIN 0UL #define DUK_UINT_FAST32_MAX 0xffffffffUL #define DUK_INT_FAST32_MIN (-0x7fffffffL - 1L) #define DUK_INT_FAST32_MAX 0x7fffffffL /* 64-bit constants. Since LL / ULL constants are not always available, * use computed values. These values can't be used in preprocessor * comparisons; flag them as such. */ #if defined(DUK_F_HAVE_64BIT) #define DUK_UINT64_MIN ((duk_uint64_t) 0) #define DUK_UINT64_MAX ((duk_uint64_t) -1) #define DUK_INT64_MIN ((duk_int64_t) (~(DUK_UINT64_MAX >> 1))) #define DUK_INT64_MAX ((duk_int64_t) (DUK_UINT64_MAX >> 1)) #define DUK_UINT_LEAST64_MIN DUK_UINT64_MIN #define DUK_UINT_LEAST64_MAX DUK_UINT64_MAX #define DUK_INT_LEAST64_MIN DUK_INT64_MIN #define DUK_INT_LEAST64_MAX DUK_INT64_MAX #define DUK_UINT_FAST64_MIN DUK_UINT64_MIN #define DUK_UINT_FAST64_MAX DUK_UINT64_MAX #define DUK_INT_FAST64_MIN DUK_INT64_MIN #define DUK_INT_FAST64_MAX DUK_INT64_MAX #define DUK_UINT64_MIN_COMPUTED #define DUK_UINT64_MAX_COMPUTED #define DUK_INT64_MIN_COMPUTED #define DUK_INT64_MAX_COMPUTED #define DUK_UINT_LEAST64_MIN_COMPUTED #define DUK_UINT_LEAST64_MAX_COMPUTED #define DUK_INT_LEAST64_MIN_COMPUTED #define DUK_INT_LEAST64_MAX_COMPUTED #define DUK_UINT_FAST64_MIN_COMPUTED #define DUK_UINT_FAST64_MAX_COMPUTED #define DUK_INT_FAST64_MIN_COMPUTED #define DUK_INT_FAST64_MAX_COMPUTED #endif #if defined(DUK_F_HAVE_64BIT) #define DUK_UINTMAX_MIN DUK_UINT64_MIN #define DUK_UINTMAX_MAX DUK_UINT64_MAX #define DUK_INTMAX_MIN DUK_INT64_MIN #define DUK_INTMAX_MAX DUK_INT64_MAX #define DUK_UINTMAX_MIN_COMPUTED #define DUK_UINTMAX_MAX_COMPUTED #define DUK_INTMAX_MIN_COMPUTED #define DUK_INTMAX_MAX_COMPUTED #else #define DUK_UINTMAX_MIN 0UL #define DUK_UINTMAX_MAX 0xffffffffUL #define DUK_INTMAX_MIN (-0x7fffffffL - 1L) #define DUK_INTMAX_MAX 0x7fffffffL #endif /* This detection is not very reliable. */ #if defined(DUK_F_32BIT_PTRS) typedef duk_int32_t duk_intptr_t; typedef duk_uint32_t duk_uintptr_t; #define DUK_UINTPTR_MIN DUK_UINT32_MIN #define DUK_UINTPTR_MAX DUK_UINT32_MAX #define DUK_INTPTR_MIN DUK_INT32_MIN #define DUK_INTPTR_MAX DUK_INT32_MAX #elif defined(DUK_F_64BIT_PTRS) && defined(DUK_F_HAVE_64BIT) typedef duk_int64_t duk_intptr_t; typedef duk_uint64_t duk_uintptr_t; #define DUK_UINTPTR_MIN DUK_UINT64_MIN #define DUK_UINTPTR_MAX DUK_UINT64_MAX #define DUK_INTPTR_MIN DUK_INT64_MIN #define DUK_INTPTR_MAX DUK_INT64_MAX #define DUK_UINTPTR_MIN_COMPUTED #define DUK_UINTPTR_MAX_COMPUTED #define DUK_INTPTR_MIN_COMPUTED #define DUK_INTPTR_MAX_COMPUTED #else #error cannot determine intptr type #endif /* SIZE_MAX may be missing so use an approximate value for it. */ #undef DUK_SIZE_MAX_COMPUTED #if !defined(SIZE_MAX) && !defined(SSIZE_MAX) /* added by K.Okamoto */ #define DUK_SIZE_MAX_COMPUTED #define SIZE_MAX ((size_t) (-1)) #endif #define DUK_SIZE_MIN 0 /**************************************************************************************** ********************* End of C99 types ***plan9ape is there****************************** *****************************************************************************************/ /* A few types are assumed to always exist. */ typedef size_t duk_size_t; typedef ptrdiff_t duk_ptrdiff_t; /* The best type for an "all around int" in Duktape internals is "at least * 32 bit signed integer" which is most convenient. Same for unsigned type. * Prefer 'int' when large enough, as it is almost always a convenient type. */ #if defined(UINT_MAX) && (UINT_MAX >= 0xffffffffUL) /*plan9ape is here */ typedef int duk_int_t; typedef unsigned int duk_uint_t; #define DUK_INT_MIN INT_MIN #define DUK_INT_MAX INT_MAX #define DUK_UINT_MIN 0 #define DUK_UINT_MAX UINT_MAX #else typedef duk_int_fast32_t duk_int_t; typedef duk_uint_fast32_t duk_uint_t; #define DUK_INT_MIN DUK_INT_FAST32_MIN #define DUK_INT_MAX DUK_INT_FAST32_MAX #define DUK_UINT_MIN DUK_UINT_FAST32_MIN #define DUK_UINT_MAX DUK_UINT_FAST32_MAX #endif /* Small integers (16 bits or more) can fall back to the 'int' type, but * have a typedef so they are marked "small" explicitly. */ typedef int duk_small_int_t; typedef unsigned int duk_small_uint_t; #define DUK_SMALL_INT_MIN INT_MIN #define DUK_SMALL_INT_MAX INT_MAX #define DUK_SMALL_UINT_MIN 0 #define DUK_SMALL_UINT_MAX UINT_MAX /* Boolean values are represented with the platform 'unsigned int'. */ typedef duk_small_uint_t duk_bool_t; #define DUK_BOOL_MIN DUK_SMALL_UINT_MIN #define DUK_BOOL_MAX DUK_SMALL_UINT_MAX /* Index values must have at least 32-bit signed range. */ typedef duk_int_t duk_idx_t; #define DUK_IDX_MIN DUK_INT_MIN #define DUK_IDX_MAX DUK_INT_MAX /* Unsigned index variant. */ typedef duk_uint_t duk_uidx_t; #define DUK_UIDX_MIN DUK_UINT_MIN #define DUK_UIDX_MAX DUK_UINT_MAX /* Array index values, could be exact 32 bits. * Currently no need for signed duk_arridx_t. */ typedef duk_uint_t duk_uarridx_t; #define DUK_UARRIDX_MIN DUK_UINT_MIN #define DUK_UARRIDX_MAX DUK_UINT_MAX /* Duktape/C function return value, platform int is enough for now to * represent 0, 1, or negative error code. Must be compatible with * assigning truth values (e.g. duk_ret_t rc = (foo == bar);). */ typedef duk_small_int_t duk_ret_t; #define DUK_RET_MIN DUK_SMALL_INT_MIN #define DUK_RET_MAX DUK_SMALL_INT_MAX /* Error codes are represented with platform int. High bits are used * for flags and such, so 32 bits are needed. */ typedef duk_int_t duk_errcode_t; #define DUK_ERRCODE_MIN DUK_INT_MIN #define DUK_ERRCODE_MAX DUK_INT_MAX /* Codepoint type. Must be 32 bits or more because it is used also for * internal codepoints. The type is signed because negative codepoints * are used as internal markers (e.g. to mark EOF or missing argument). * (X)UTF-8/CESU-8 encode/decode take and return an unsigned variant to * ensure duk_uint32_t casts back and forth nicely. Almost everything * else uses the signed one. */ typedef duk_int_t duk_codepoint_t; typedef duk_uint_t duk_ucodepoint_t; #define DUK_CODEPOINT_MIN DUK_INT_MIN #define DUK_CODEPOINT_MAX DUK_INT_MAX #define DUK_UCODEPOINT_MIN DUK_UINT_MIN #define DUK_UCODEPOINT_MAX DUK_UINT_MAX /* IEEE float/double typedef. */ typedef float duk_float_t; typedef double duk_double_t; /* We're generally assuming that we're working on a platform with a 32-bit * address space. If DUK_SIZE_MAX is a typecast value (which is necessary * if SIZE_MAX is missing), the check must be avoided because the * preprocessor can't do a comparison. */ #if !defined(DUK_SIZE_MAX) #error DUK_SIZE_MAX is undefined, probably missing SIZE_MAX #elif !defined(DUK_SIZE_MAX_COMPUTED) #if DUK_SIZE_MAX < 0xffffffffUL /* On some systems SIZE_MAX can be smaller than max unsigned 32-bit value * which seems incorrect if size_t is (at least) an unsigned 32-bit type. * However, it doesn't seem useful to error out compilation if this is the * case. */ #endif #endif /* Type used in public API declarations and user code. Typedef maps to * 'struct duk_hthread' like the 'duk_hthread' typedef which is used * exclusively in internals. */ typedef struct duk_hthread duk_context; /* Check whether we should use 64-bit integers or not. * * Quite incomplete now. Use 64-bit types if detected (C99 or other detection) * unless they are known to be unreliable. For instance, 64-bit types are * available on VBCC but seem to misbehave. */ #define DUK_USE_64BIT_OPS /* * Fill-ins for platform, architecture, and compiler */ /* An abort()-like primitive is needed by the default fatal error handler. */ #if !defined(DUK_ABORT) #define DUK_ABORT abort #endif #if !defined(DUK_SETJMP) #define DUK_JMPBUF_TYPE jmp_buf #define DUK_SETJMP(jb) setjmp((jb)) #define DUK_LONGJMP(jb) longjmp((jb), 1) #endif /* Special naming to avoid conflict with e.g. DUK_FREE() in duk_heap.h * (which is unfortunately named). May sometimes need replacement, e.g. * some compilers don't handle zero length or NULL correctly in realloc(). */ #define DUK_ANSI_MALLOC malloc #define DUK_ANSI_REALLOC realloc #define DUK_ANSI_CALLOC calloc #define DUK_ANSI_FREE free /* ANSI C (various versions) and some implementations require that the * pointer arguments to memset(), memcpy(), and memmove() be valid values * even when byte size is 0 (even a NULL pointer is considered invalid in * this context). Zero-size operations as such are allowed, as long as their * pointer arguments point to a valid memory area. The DUK_MEMSET(), * DUK_MEMCPY(), and DUK_MEMMOVE() macros require this same behavior, i.e.: * (1) pointers must be valid and non-NULL, (2) zero size must otherwise be * allowed. If these are not fulfilled, a macro wrapper is needed. * * http://stackoverflow.com/questions/5243012/is-it-guaranteed-to-be-safe-to-perform-memcpy0-0-0 * http://lists.cs.uiuc.edu/pipermail/llvmdev/2007-October/011065.html * * Not sure what's the required behavior when a pointer points just past the * end of a buffer, which often happens in practice (e.g. zero size memmoves). * For example, if allocation size is 3, the following pointer would not * technically point to a valid memory byte: * * <-- alloc --> * | 0 | 1 | 2 | ..... * ^-- p=3, points after last valid byte (2) */ #define DUK_MEMCPY memcpy #define DUK_MEMMOVE memmove #define DUK_MEMCMP memcmp #define DUK_MEMSET memset #define DUK_STRLEN strlen #define DUK_STRCMP strcmp #define DUK_STRNCMP strncmp #define DUK_SPRINTF sprintf #define DUK_SNPRINTF snprintf #define DUK_VSPRINTF vsprintf #define DUK_VSNPRINTF vsnprintf #define DUK_SSCANF sscanf #if !defined(DUK_MEMZERO) #define DUK_MEMZERO(p,n) DUK_MEMSET((p), 0, (n)) #endif /* Many platforms are missing fpclassify() and friends, so use replacements * if necessary. The replacement constants (FP_NAN etc) can be anything but * match Linux constants now. */ /* Complex condition broken into separate parts. */ #define DUK_USE_REPL_FPCLASSIFY #define DUK_USE_REPL_SIGNBIT #define DUK_USE_REPL_ISFINITE #define DUK_USE_REPL_ISNAN #define DUK_USE_REPL_ISINF #define DUK_FPCLASSIFY duk_repl_fpclassify #define DUK_SIGNBIT duk_repl_signbit #define DUK_ISFINITE duk_repl_isfinite #define DUK_ISNAN duk_repl_isnan #define DUK_ISINF duk_repl_isinf #define DUK_FP_NAN 0 #define DUK_FP_INFINITE 1 #define DUK_FP_ZERO 2 #define DUK_FP_SUBNORMAL 3 #define DUK_FP_NORMAL 4 /* These functions don't currently need replacement but are wrapped for * completeness. Because these are used as function pointers, they need * to be defined as concrete C functions (not macros). */ #define DUK_FABS fabs /* in math.h for plan9 */ #define DUK_FLOOR floor /* in math.h for plan9 */ #define DUK_CEIL ceil /* in math.h for plan9 */ #define DUK_FMOD fmod /* in math.h for plan9 */ #define DUK_POW pow /* in math.h for plan9 */ #define DUK_ACOS acos /* in math.h for plan9 */ #define DUK_ASIN asin /* in math.h for plan9 */ #define DUK_ATAN atan /* in math.h for plan9 */ #define DUK_ATAN2 atan2 /* in math.h for plan9 */ #define DUK_SIN sin /* in math.h for plan9 */ #define DUK_COS cos /* in math.h for plan9 */ #define DUK_TAN tan /* in math.h for plan9 */ #define DUK_EXP exp /* in math.h for plan9 */ #define DUK_LOG log /* in math.h for plan9 */ #define DUK_SQRT sqrt /* in math.h for plan9 */ #define DUK_LOG10 log10 /* Rely as little as possible on compiler behavior for NaN comparison, * signed zero handling, etc. Currently never activated but may be needed * for broken compilers. */ #undef DUK_USE_PARANOID_MATH #define DUK_USE_PARANOID_DATE_COMPUTATION /* More or less standard endianness predefines provided by header files. * The ARM hybrid case is detected by assuming that __FLOAT_WORD_ORDER * will be big endian, see: http://lists.mysql.com/internals/443. * On some platforms some defines may be present with an empty value which * causes comparisons to fail: https://github.com/svaarala/duktape/issues/453. */ /* * Alignment requirement and support for unaligned accesses * * Assume unaligned accesses are not supported unless specifically allowed * in the target platform. Some platforms may support unaligned accesses * but alignment to 4 or 8 may still be desirable. Note that unaligned * accesses (and even pointers) relative to natural alignment (regardless * of target alignment) are technically undefined behavior and thus * compiler/architecture specific. */ /* If not forced, use safe default for alignment. */ #if !defined(DUK_USE_ALIGN_BY) #define DUK_USE_ALIGN_BY 8 #endif /* Compiler specific hackery needed to force struct size to match aligment, * see e.g. duk_hbuffer.h. * * http://stackoverflow.com/questions/11130109/c-struct-size-alignment * http://stackoverflow.com/questions/10951039/specifying-64-bit-alignment */ #define DUK_VA_COPY(dest,src) va_copy(dest,src) #if !defined(DUK_MACRO_STRINGIFY) /* Macro hackery to convert e.g. __LINE__ to a string without formatting, * see: http://stackoverflow.com/questions/240353/convert-a-preprocessor-token-to-a-string */ #define DUK_MACRO_STRINGIFY_HELPER(x) #x #define DUK_MACRO_STRINGIFY(x) DUK_MACRO_STRINGIFY_HELPER(x) #endif #if !defined(DUK_CAUSE_SEGFAULT) /* This can be used for testing; valgrind will then indicate the C call stack * leading to the call site. */ #define DUK_CAUSE_SEGFAULT() do { *((volatile duk_uint32_t *) NULL) = (duk_uint32_t) 0xdeadbeefUL; } while (0) #endif #if !defined(DUK_UNREF) /* Macro for suppressing warnings for potentially unreferenced variables. * The variables can be actually unreferenced or unreferenced in some * specific cases only; for instance, if a variable is only debug printed, * it is unreferenced when debug printing is disabled. May cause warnings * for volatile arguments. */ #define DUK_UNREF(x) do { (void) (x); } while (0) #endif /* Fillin for DUK_NORETURN; DUK_WO_NORETURN() is used to insert dummy * dummy statements after noreturn calls to silence harmless compiler * warnings, e.g.: * * DUK_ERROR_TYPE(thr, "aiee"); * DUK_WO_NORETURN(return 0;); * * Statements inside DUK_WO_NORETURN() must NEVER be actually reachable, * and they're only included to satisfy the compiler. */ #define DUK_NORETURN(decl) decl //#define DUK_WO_NORETURN(smtp) smtp /* Convert any input pointer into a "void *", losing a const qualifier. * This is not fully portable because casting through duk_uintptr_t may * not work on all architectures (e.g. those with long, segmented pointers). */ #define DUK_LOSE_CONST(src) ((void *) (duk_uintptr_t) (src)) #define DUK_LIKELY(x) (x) #define DUK_UNLIKELY(x) (x) #define DUK_UNPREDICTABLE(x) (x) #define DUK_NOINLINE /*nop*/ #define DUK_INLINE /*nop*/ #define DUK_ALWAYS_INLINE /*nop*/ #define DUK_HOT /*nop*/ #define DUK_COLD /*nop*/ #define DUK_EXTERNAL_DECL extern #define DUK_EXTERNAL /*empty*/ #if defined(DUK_SINGLE_FILE) #define DUK_INTERNAL_DECL static #else #define DUK_INTERNAL_DECL extern #endif #if defined(DUK_SINGLE_FILE) #define DUK_INTERNAL static #else #define DUK_INTERNAL /*empty*/ #endif #define DUK_LOCAL_DECL static #define DUK_LOCAL static #if !defined(DUK_FILE_MACRO) #define DUK_FILE_MACRO __FILE__ #endif #if !defined(DUK_LINE_MACRO) #define DUK_LINE_MACRO __LINE__ #endif #if !defined(DUK_FUNC_MACRO) #if defined(DUK_F_C99) || defined(DUK_F_CPP11) #define DUK_FUNC_MACRO __func__ #elif defined(__FUNCTION__) #define DUK_FUNC_MACRO __FUNCTION__ #else #define DUK_FUNC_MACRO "unknown" #endif #endif #if !defined(DUK_BSWAP32) /* 1234<==>4321 K.Okamoto */ #define DUK_BSWAP32(x) \ ((((duk_uint32_t) (x)) >> 24) | \ ((((duk_uint32_t) (x)) >> 8) & 0xff00UL) | \ ((((duk_uint32_t) (x)) << 8) & 0xff0000UL) | \ (((duk_uint32_t) (x)) << 24)) #endif #if !defined(DUK_BSWAP16) /* 12<==>21 K.Okamoto */ #define DUK_BSWAP16(x) \ ((duk_uint16_t) (x) >> 8) | \ ((duk_uint16_t) (x) << 8) #endif #if !defined(DUK_U64_CONSTANT) #define DUK_U64_CONSTANT(x) x##ULL #endif #if !defined(DUK_I64_CONSTANT) #define DUK_I64_CONSTANT(x) x##LL #endif /* * Check whether or not a packed duk_tval representation is possible. * What's basically required is that pointers are 32-bit values * (sizeof(void *) == 4). Best effort check, not always accurate. * If guess goes wrong, crashes may result; self tests also verify * the guess. */ /* Explicit marker needed; may be 'defined', 'undefined, 'or 'not provided'. */ #if !defined(DUK_F_PACKED_TVAL_PROVIDED) #undef DUK_F_PACKED_TVAL_POSSIBLE /* Strict C99 case: DUK_UINTPTR_MAX (= UINTPTR_MAX) should be very reliable */ #if !defined(DUK_F_PACKED_TVAL_POSSIBLE) && defined(DUK_UINTPTR_MAX) #if (DUK_UINTPTR_MAX <= 0xffffffffUL) #define DUK_F_PACKED_TVAL_POSSIBLE #endif #endif /* Non-C99 case, still relying on DUK_UINTPTR_MAX, as long as it is not a computed value */ #if !defined(DUK_F_PACKED_TVAL_POSSIBLE) && defined(DUK_UINTPTR_MAX) && !defined(DUK_UINTPTR_MAX_COMPUTED) #if (DUK_UINTPTR_MAX <= 0xffffffffUL) #define DUK_F_PACKED_TVAL_POSSIBLE #endif #endif /* DUK_SIZE_MAX (= SIZE_MAX) is often reliable */ #if !defined(DUK_F_PACKED_TVAL_POSSIBLE) && defined(DUK_SIZE_MAX) && !defined(DUK_SIZE_MAX_COMPUTED) #if (DUK_SIZE_MAX <= 0xffffffffUL) #define DUK_F_PACKED_TVAL_POSSIBLE #endif #endif #undef DUK_USE_PACKED_TVAL #if defined(DUK_F_PACKED_TVAL_POSSIBLE) #define DUK_USE_PACKED_TVAL #endif #undef DUK_F_PACKED_TVAL_POSSIBLE #endif /* DUK_F_PACKED_TVAL_PROVIDED */ /* Object property allocation layout has implications for memory and code * footprint and generated code size/speed. The best layout also depends * on whether the platform has alignment requirements or benefits from * having mostly aligned accesses. */ #undef DUK_USE_HOBJECT_LAYOUT_1 #undef DUK_USE_HOBJECT_LAYOUT_2 #undef DUK_USE_HOBJECT_LAYOUT_3 #if (DUK_USE_ALIGN_BY == 1) /* On platforms without any alignment issues, layout 1 is preferable * because it compiles to slightly less code and provides direct access * to property keys. */ #define DUK_USE_HOBJECT_LAYOUT_1 #else /* On other platforms use layout 2, which requires some padding but * is a bit more natural than layout 3 in ordering the entries. Layout * 3 is currently not used. */ #define DUK_USE_HOBJECT_LAYOUT_2 #endif /* * Autogenerated defaults */ #undef DUK_USE_ALLOW_UNDEFINED_BEHAVIOR #define DUK_USE_ARRAY_BUILTIN #define DUK_USE_ARRAY_FASTPATH #define DUK_USE_ARRAY_PROP_FASTPATH #undef DUK_USE_ASSERTIONS #define DUK_USE_AUGMENT_ERROR_CREATE #define DUK_USE_AUGMENT_ERROR_THROW #define DUK_USE_AVOID_PLATFORM_FUNCPTRS #define DUK_USE_BASE64_FASTPATH #define DUK_USE_BASE64_SUPPORT #define DUK_USE_BOOLEAN_BUILTIN #define DUK_USE_BUFFEROBJECT_SUPPORT #undef DUK_USE_BUFLEN16 #define DUK_USE_BYTECODE_DUMP_SUPPORT #define DUK_USE_CACHE_ACTIVATION #define DUK_USE_CACHE_CATCHER #define DUK_USE_CALLSTACK_LIMIT 10000 #define DUK_USE_COMMONJS_MODULES #define DUK_USE_COMPILER_RECLIMIT 2500 #define DUK_USE_COROUTINE_SUPPORT #undef DUK_USE_CPP_EXCEPTIONS #undef DUK_USE_DATAPTR16 #undef DUK_USE_DATAPTR_DEC16 #undef DUK_USE_DATAPTR_ENC16 #define DUK_USE_DATE_BUILTIN #undef DUK_USE_DATE_FORMAT_STRING #undef DUK_USE_DATE_GET_LOCAL_TZOFFSET #undef DUK_USE_DATE_GET_NOW #undef DUK_USE_DATE_PARSE_STRING #undef DUK_USE_DATE_PRS_GETDATE #undef DUK_USE_DEBUG #undef DUK_USE_DEBUGGER_DUMPHEAP #undef DUK_USE_DEBUGGER_INSPECT #undef DUK_USE_DEBUGGER_PAUSE_UNCAUGHT #undef DUK_USE_DEBUGGER_SUPPORT #define DUK_USE_DEBUGGER_THROW_NOTIFY #undef DUK_USE_DEBUGGER_TRANSPORT_TORTURE #define DUK_USE_DEBUG_BUFSIZE 65536L #define DUK_USE_DEBUG_LEVEL 0 #undef DUK_USE_DEBUG_WRITE #define DUK_USE_DOUBLE_LINKED_HEAP #define DUK_USE_DUKTAPE_BUILTIN #define DUK_USE_ENCODING_BUILTINS #define DUK_USE_ERRCREATE #define DUK_USE_ERRTHROW #define DUK_USE_ES6 #define DUK_USE_ES6_OBJECT_PROTO_PROPERTY #define DUK_USE_ES6_OBJECT_SETPROTOTYPEOF #define DUK_USE_ES6_PROXY #define DUK_USE_ES6_REGEXP_SYNTAX #define DUK_USE_ES6_UNICODE_ESCAPE #define DUK_USE_ES7 #define DUK_USE_ES7_EXP_OPERATOR #define DUK_USE_ES8 #define DUK_USE_ES9 #define DUK_USE_ESBC_LIMITS #define DUK_USE_ESBC_MAX_BYTES 2147418112L #define DUK_USE_ESBC_MAX_LINENUMBER 2147418112L #undef DUK_USE_EXEC_FUN_LOCAL #undef DUK_USE_EXEC_INDIRECT_BOUND_CHECK #undef DUK_USE_EXEC_PREFER_SIZE #define DUK_USE_EXEC_REGCONST_OPTIMIZE #undef DUK_USE_EXEC_TIMEOUT_CHECK #undef DUK_USE_EXPLICIT_NULL_INIT #undef DUK_USE_EXTSTR_FREE #undef DUK_USE_EXTSTR_INTERN_CHECK #undef DUK_USE_FASTINT #define DUK_USE_FAST_REFCOUNT_DEFAULT #undef DUK_USE_FATAL_HANDLER #define DUK_USE_FATAL_MAXLEN 128 #define DUK_USE_FINALIZER_SUPPORT #undef DUK_USE_FINALIZER_TORTURE #undef DUK_USE_FUNCPTR16 #undef DUK_USE_FUNCPTR_DEC16 #undef DUK_USE_FUNCPTR_ENC16 #define DUK_USE_FUNCTION_BUILTIN #define DUK_USE_FUNC_FILENAME_PROPERTY #define DUK_USE_FUNC_NAME_PROPERTY #undef DUK_USE_GC_TORTURE #undef DUK_USE_GET_MONOTONIC_TIME #undef DUK_USE_GET_RANDOM_DOUBLE #undef DUK_USE_GLOBAL_BINDING #define DUK_USE_GLOBAL_BUILTIN #undef DUK_USE_HEAPPTR16 #undef DUK_USE_HEAPPTR_DEC16 #undef DUK_USE_HEAPPTR_ENC16 #define DUK_USE_HEX_FASTPATH #define DUK_USE_HEX_SUPPORT #define DUK_USE_HOBJECT_ARRAY_ABANDON_LIMIT 2 #define DUK_USE_HOBJECT_ARRAY_FAST_RESIZE_LIMIT 9 #define DUK_USE_HOBJECT_ARRAY_MINGROW_ADD 16 #define DUK_USE_HOBJECT_ARRAY_MINGROW_DIVISOR 8 #define DUK_USE_HOBJECT_ENTRY_MINGROW_ADD 16 #define DUK_USE_HOBJECT_ENTRY_MINGROW_DIVISOR 8 #define DUK_USE_HOBJECT_HASH_PART #define DUK_USE_HOBJECT_HASH_PROP_LIMIT 8 #define DUK_USE_HSTRING_ARRIDX #define DUK_USE_HSTRING_CLEN #undef DUK_USE_HSTRING_EXTDATA #define DUK_USE_HSTRING_LAZY_CLEN #define DUK_USE_HTML_COMMENTS #define DUK_USE_IDCHAR_FASTPATH #undef DUK_USE_INJECT_HEAP_ALLOC_ERROR #undef DUK_USE_INTERRUPT_COUNTER #undef DUK_USE_INTERRUPT_DEBUG_FIXUP #define DUK_USE_JC #define DUK_USE_JSON_BUILTIN #define DUK_USE_JSON_DECNUMBER_FASTPATH #define DUK_USE_JSON_DECSTRING_FASTPATH #define DUK_USE_JSON_DEC_RECLIMIT 1000 #define DUK_USE_JSON_EATWHITE_FASTPATH #define DUK_USE_JSON_ENC_RECLIMIT 1000 #define DUK_USE_JSON_QUOTESTRING_FASTPATH #undef DUK_USE_JSON_STRINGIFY_FASTPATH #define DUK_USE_JSON_SUPPORT #define DUK_USE_JX #define DUK_USE_LEXER_SLIDING_WINDOW #undef DUK_USE_LIGHTFUNC_BUILTINS #define DUK_USE_LITCACHE_SIZE 256 #define DUK_USE_MARK_AND_SWEEP_RECLIMIT 256 #define DUK_USE_MATH_BUILTIN #define DUK_USE_NATIVE_CALL_RECLIMIT 1000 #define DUK_USE_NONSTD_ARRAY_SPLICE_DELCOUNT #undef DUK_USE_NONSTD_FUNC_CALLER_PROPERTY #undef DUK_USE_NONSTD_FUNC_SOURCE_PROPERTY #define DUK_USE_NONSTD_FUNC_STMT #define DUK_USE_NONSTD_GETTER_KEY_ARGUMENT #define DUK_USE_NONSTD_JSON_ESC_U2028_U2029 #define DUK_USE_NONSTD_SETTER_KEY_ARGUMENT #define DUK_USE_NONSTD_STRING_FROMCHARCODE_32BIT #define DUK_USE_NUMBER_BUILTIN #define DUK_USE_OBJECT_BUILTIN #undef DUK_USE_OBJSIZES16 #undef DUK_USE_PARANOID_ERRORS #define DUK_USE_PERFORMANCE_BUILTIN #undef DUK_USE_PREFER_SIZE #undef DUK_USE_PROMISE_BUILTIN #define DUK_USE_PROVIDE_DEFAULT_ALLOC_FUNCTIONS #undef DUK_USE_REFCOUNT16 #define DUK_USE_REFCOUNT32 #define DUK_USE_REFERENCE_COUNTING #define DUK_USE_REFLECT_BUILTIN #define DUK_USE_REGEXP_CANON_BITMAP #undef DUK_USE_REGEXP_CANON_WORKAROUND #define DUK_USE_REGEXP_COMPILER_RECLIMIT 10000 #define DUK_USE_REGEXP_EXECUTOR_RECLIMIT 10000 #define DUK_USE_REGEXP_SUPPORT #undef DUK_USE_ROM_GLOBAL_CLONE #undef DUK_USE_ROM_GLOBAL_INHERIT #undef DUK_USE_ROM_OBJECTS #define DUK_USE_ROM_PTRCOMP_FIRST 63488L #undef DUK_USE_ROM_STRINGS #define DUK_USE_SECTION_B #undef DUK_USE_SELF_TESTS #define DUK_USE_SHEBANG_COMMENTS #undef DUK_USE_SHUFFLE_TORTURE #define DUK_USE_SOURCE_NONBMP #undef DUK_USE_STRHASH16 #undef DUK_USE_STRHASH_DENSE #define DUK_USE_STRHASH_SKIP_SHIFT 5 #define DUK_USE_STRICT_DECL #undef DUK_USE_STRICT_UTF8_SOURCE #define DUK_USE_STRING_BUILTIN #undef DUK_USE_STRLEN16 #define DUK_USE_STRTAB_GROW_LIMIT 17 #define DUK_USE_STRTAB_MAXSIZE 268435456L #define DUK_USE_STRTAB_MINSIZE 1024 #undef DUK_USE_STRTAB_PTRCOMP #define DUK_USE_STRTAB_RESIZE_CHECK_MASK 255 #define DUK_USE_STRTAB_SHRINK_LIMIT 6 #undef DUK_USE_STRTAB_TORTURE #undef DUK_USE_SYMBOL_BUILTIN #define DUK_USE_TAILCALL #define DUK_USE_TARGET_INFO "unknown" #define DUK_USE_TRACEBACKS #define DUK_USE_TRACEBACK_DEPTH 10 #define DUK_USE_USER_DECLARE() /* no user declarations */ #define DUK_USE_VALSTACK_GROW_SHIFT 2 #define DUK_USE_VALSTACK_LIMIT 1000000L #define DUK_USE_VALSTACK_SHRINK_CHECK_SHIFT 2 #define DUK_USE_VALSTACK_SHRINK_SLACK_SHIFT 4 #undef DUK_USE_VALSTACK_UNSAFE #undef DUK_USE_VERBOSE_ERRORS #define DUK_USE_ALLOW_UNDEFINED_BEHAVIOR #undef DUK_USE_VERBOSE_EXECUTOR_ERRORS #define DUK_USE_VOLUNTARY_GC #define DUK_USE_ZERO_BUFFER_DATA /* * Fixups */ #include "duk_custom.h" /* * You may add overriding #define/#undef directives below for * customization. You of course cannot un-#include or un-typedef * anything; these require direct changes above. */ /* __OVERRIDE_DEFINES__ */ /* * Conditional includes */ #if defined(DUK_F_CPP) && defined(DUK_USE_CPP_EXCEPTIONS) #include /* std::exception */ #include /* std::runtime_error */ #endif /* * Date provider selection * * User may define DUK_USE_DATE_GET_NOW() etc directly, in which case we'll * rely on an external provider. If this is not done, revert to previous * behavior and use Unix/Windows built-in provider. */ #if defined(DUK_COMPILING_DUKTAPE) #if defined(DUK_USE_DATE_GET_NOW) /* External provider already defined. */ #elif defined(DUK_USE_DATE_NOW_GETTIMEOFDAY) #define DUK_USE_DATE_GET_NOW(ctx) duk_bi_date_get_now_gettimeofday() #elif defined(DUK_USE_DATE_NOW_TIME) #define DUK_USE_DATE_GET_NOW(ctx) duk_bi_date_get_now_time() #elif defined(DUK_USE_DATE_NOW_WINDOWS) #define DUK_USE_DATE_GET_NOW(ctx) duk_bi_date_get_now_windows() #elif defined(DUK_USE_DATE_NOW_WINDOWS_SUBMS) #define DUK_USE_DATE_GET_NOW(ctx) duk_bi_date_get_now_windows_subms() #else #error no provider for DUK_USE_DATE_GET_NOW() #endif #if defined(DUK_USE_DATE_GET_LOCAL_TZOFFSET) /* External provider already defined. */ #elif defined(DUK_USE_DATE_TZO_GMTIME_R) || defined(DUK_USE_DATE_TZO_GMTIME_S) || defined(DUK_USE_DATE_TZO_GMTIME) #define DUK_USE_DATE_GET_LOCAL_TZOFFSET(d) duk_bi_date_get_local_tzoffset_gmtime((d)) #elif defined(DUK_USE_DATE_TZO_WINDOWS) #define DUK_USE_DATE_GET_LOCAL_TZOFFSET(d) duk_bi_date_get_local_tzoffset_windows((d)) #elif defined(DUK_USE_DATE_TZO_WINDOWS_NO_DST) #define DUK_USE_DATE_GET_LOCAL_TZOFFSET(d) duk_bi_date_get_local_tzoffset_windows_no_dst((d)) #else #error no provider for DUK_USE_DATE_GET_LOCAL_TZOFFSET() #endif #if defined(DUK_USE_DATE_PARSE_STRING) /* External provider already defined. */ #elif defined(DUK_USE_DATE_PRS_STRPTIME) #define DUK_USE_DATE_PARSE_STRING(ctx,str) duk_bi_date_parse_string_strptime((ctx), (str)) #elif defined(DUK_USE_DATE_PRS_GETDATE) #define DUK_USE_DATE_PARSE_STRING(ctx,str) duk_bi_date_parse_string_getdate((ctx), (str)) #else /* No provider for DUK_USE_DATE_PARSE_STRING(), fall back to ISO 8601 only. */ #endif #if defined(DUK_USE_DATE_FORMAT_STRING) /* External provider already defined. */ #elif defined(DUK_USE_DATE_FMT_STRFTIME) #define DUK_USE_DATE_FORMAT_STRING(ctx,parts,tzoffset,flags) \ duk_bi_date_format_parts_strftime((ctx), (parts), (tzoffset), (flags)) #else /* No provider for DUK_USE_DATE_FORMAT_STRING(), fall back to ISO 8601 only. */ #endif #if defined(DUK_USE_GET_MONOTONIC_TIME) /* External provider already defined. */ #elif defined(DUK_USE_GET_MONOTONIC_TIME_CLOCK_GETTIME) #define DUK_USE_GET_MONOTONIC_TIME(ctx) duk_bi_date_get_monotonic_time_clock_gettime() #elif defined(DUK_USE_GET_MONOTONIC_TIME_WINDOWS_QPC) #define DUK_USE_GET_MONOTONIC_TIME(ctx) duk_bi_date_get_monotonic_time_windows_qpc() #else /* No provider for DUK_USE_GET_MONOTONIC_TIME(), fall back to DUK_USE_DATE_GET_NOW(). */ #endif #endif /* DUK_COMPILING_DUKTAPE */ #endif /* DUK_CONFIG_H_INCLUDED */