/* * Copyright (c) 2020 Calvin Rose * * 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. */ #ifndef JANET_H_defined #define JANET_H_defined #ifdef __cplusplus extern "C" { #endif /* Variable length arrays are ok */ #ifdef _MSC_VER #pragma warning( push ) #pragma warning( disable : 4200 ) #endif /***** START SECTION CONFIG *****/ #include "janetconf.h" #ifndef JANET_VERSION #define JANET_VERSION "latest" #endif #ifndef JANET_BUILD #define JANET_BUILD "local" #endif /* * Detect OS and endianess. * From webkit source. There is likely some extreneous * detection for unsupported platforms */ /* Check for any flavor of BSD (except apple) */ #if defined(__FreeBSD__) || defined(__DragonFly__) || \ defined(__NetBSD__) || defined(__OpenBSD__) #define JANET_BSD 1 #endif /* Check for Mac */ #ifdef __APPLE__ #define JANET_APPLE 1 #endif /* Check for Linux */ #ifdef __linux__ #define JANET_LINUX 1 #endif /* Check Unix */ #if defined(_AIX) \ || defined(__APPLE__) /* Darwin */ \ || defined(__FreeBSD__) || defined(__DragonFly__) \ || defined(__FreeBSD_kernel__) \ || defined(__GNU__) /* GNU/Hurd */ \ || defined(__HAIKU__) \ || defined(__linux__) \ || defined(__NetBSD__) \ || defined(__OpenBSD__) \ || defined(__QNXNTO__) \ || defined(sun) || defined(__sun) /* Solaris */ \ || defined(unix) || defined(__unix) || defined(__unix__) #define JANET_POSIX 1 #elif defined(__EMSCRIPTEN__) #define JANET_WEB 1 #elif defined(WIN32) || defined(_WIN32) #define JANET_WINDOWS 1 #endif /* Check 64-bit vs 32-bit */ #if ((defined(__x86_64__) || defined(_M_X64)) \ && (defined(JANET_POSIX) || defined(JANET_WINDOWS))) \ || (defined(_WIN64)) /* Windows 64 bit */ \ || (defined(__ia64__) && defined(__LP64__)) /* Itanium in LP64 mode */ \ || defined(__alpha__) /* DEC Alpha */ \ || (defined(__sparc__) && defined(__arch64__) || defined (__sparcv9)) /* BE */ \ || defined(__s390x__) /* S390 64-bit (BE) */ \ || (defined(__ppc64__) || defined(__PPC64__)) \ || defined(__aarch64__) /* ARM 64-bit */ #define JANET_64 1 #else #define JANET_32 1 #endif /* Check big endian */ #if defined(__LITTLE_ENDIAN__) || \ (defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)) /* If we know the target is LE, always use that - e.g. ppc64 little endian * defines the __LITTLE_ENDIAN__ macro in the ABI spec, so we can rely * on that and if that's not defined, fall back to big endian assumption */ #define JANET_LITTLE_ENDIAN 1 #elif defined(__MIPSEB__) /* MIPS 32-bit */ \ || defined(__ppc__) || defined(__PPC__) /* CPU(PPC) - PowerPC 32-bit */ \ || defined(__powerpc__) || defined(__powerpc) || defined(__POWERPC__) \ || defined(_M_PPC) || defined(__PPC) \ || defined(__ppc64__) || defined(__PPC64__) /* PowerPC 64-bit */ \ || defined(__sparc) /* Sparc 32bit */ \ || defined(__sparc__) /* Sparc 64-bit */ \ || defined(__s390x__) /* S390 64-bit */ \ || defined(__s390__) /* S390 32-bit */ \ || defined(__ARMEB__) /* ARM big endian */ \ || ((defined(__CC_ARM) || defined(__ARMCC__)) /* ARM RealView compiler */ \ && defined(__BIG_ENDIAN)) #define JANET_BIG_ENDIAN 1 #else #define JANET_LITTLE_ENDIAN 1 #endif /* Check emscripten */ #ifdef __EMSCRIPTEN__ #define JANET_NO_DYNAMIC_MODULES #define JANET_NO_PROCESSES #endif /* Check sun */ #ifdef __sun #define JANET_NO_UTC_MKTIME #endif /* Add some windows flags */ #ifdef JANET_WINDOWS #define JANET_NO_REALPATH #endif /* Define how global janet state is declared */ #ifdef JANET_SINGLE_THREADED #define JANET_THREAD_LOCAL #elif defined(__GNUC__) #define JANET_THREAD_LOCAL __thread #define JANET_THREADS #elif defined(_MSC_BUILD) #define JANET_THREAD_LOCAL __declspec(thread) #define JANET_THREADS #else #define JANET_THREAD_LOCAL #endif /* Enable or disable dynamic module loading. Enabled by default. */ #ifndef JANET_NO_DYNAMIC_MODULES #define JANET_DYNAMIC_MODULES #endif /* Enable or disable the assembler. Enabled by default. */ #ifndef JANET_NO_ASSEMBLER #define JANET_ASSEMBLER #endif /* Enable or disable the peg module */ #ifndef JANET_NO_PEG #define JANET_PEG #endif /* Enable or disable the typedarray module */ #ifndef JANET_NO_TYPED_ARRAY #define JANET_TYPED_ARRAY #endif /* Enable or disable event loop */ #if !defined(JANET_NO_EV) && !defined(__EMSCRIPTEN__) #define JANET_EV #endif /* Enable or disable networking */ #if defined(JANET_EV) && !defined(JANET_NO_NET) && !defined(__EMSCRIPTEN__) #define JANET_NET #endif /* Enable or disable large int types (for now 64 bit, maybe 128 / 256 bit integer types) */ #ifndef JANET_NO_INT_TYPES #define JANET_INT_TYPES #endif /* How to export symbols */ #ifndef JANET_API #ifdef JANET_WINDOWS #define JANET_API __declspec(dllexport) #else #define JANET_API __attribute__((visibility ("default"))) #endif #endif /* Tell complier some functions don't return */ #ifndef JANET_NO_RETURN #ifdef JANET_WINDOWS #define JANET_NO_RETURN __declspec(noreturn) #else #define JANET_NO_RETURN __attribute__ ((noreturn)) #endif #endif /* Prevent some recursive functions from recursing too deeply * ands crashing (the parser). Instead, error out. */ #define JANET_RECURSION_GUARD 1024 /* Maximum depth to follow table prototypes before giving up and returning nil. */ #define JANET_MAX_PROTO_DEPTH 200 /* Maximum depth to follow table prototypes before giving up and returning nil. */ #define JANET_MAX_MACRO_EXPAND 200 /* Define default max stack size for stacks before raising a stack overflow error. * This can also be set on a per fiber basis. */ #ifndef JANET_STACK_MAX #define JANET_STACK_MAX 0x7fffffff #endif /* Use nanboxed values - uses 8 bytes per value instead of 12 or 16. * To turn of nanboxing, for debugging purposes or for certain * architectures (Nanboxing only tested on x86 and x64), comment out * the JANET_NANBOX define.*/ #ifndef JANET_NO_NANBOX #ifdef JANET_32 #define JANET_NANBOX_32 #elif defined(__x86_64__) || defined(_WIN64) /* We will only enable nanboxing by default on 64 bit systems * on x86. This is mainly because the approach is tied to the * implicit 47 bit address space. */ #define JANET_NANBOX_64 #endif #endif /* Runtime config constants */ #ifdef JANET_NO_NANBOX #define JANET_NANBOX_BIT 0 #else #define JANET_NANBOX_BIT 0x1 #endif #ifdef JANET_SINGLE_THREADED #define JANET_SINGLE_THREADED_BIT 0x2 #else #define JANET_SINGLE_THREADED_BIT 0 #endif #define JANET_CURRENT_CONFIG_BITS \ (JANET_SINGLE_THREADED_BIT | \ JANET_NANBOX_BIT) /* Represents the settings used to compile Janet, as well as the version */ typedef struct { unsigned major; unsigned minor; unsigned patch; unsigned bits; } JanetBuildConfig; /* Get config of current compilation unit. */ #define janet_config_current() ((JanetBuildConfig){ \ JANET_VERSION_MAJOR, \ JANET_VERSION_MINOR, \ JANET_VERSION_PATCH, \ JANET_CURRENT_CONFIG_BITS }) /***** END SECTION CONFIG *****/ /***** START SECTION TYPES *****/ #ifdef JANET_WINDOWS // Must be defined before including stdlib.h #define _CRT_RAND_S #endif #include #include #include #include #include #include #include #ifdef JANET_BSD int _setjmp(jmp_buf); JANET_NO_RETURN void _longjmp(jmp_buf, int); #endif /* Names of all of the types */ JANET_API extern const char *const janet_type_names[16]; JANET_API extern const char *const janet_signal_names[14]; JANET_API extern const char *const janet_status_names[16]; /* Fiber signals */ typedef enum { JANET_SIGNAL_OK, JANET_SIGNAL_ERROR, JANET_SIGNAL_DEBUG, JANET_SIGNAL_YIELD, JANET_SIGNAL_USER0, JANET_SIGNAL_USER1, JANET_SIGNAL_USER2, JANET_SIGNAL_USER3, JANET_SIGNAL_USER4, JANET_SIGNAL_USER5, JANET_SIGNAL_USER6, JANET_SIGNAL_USER7, JANET_SIGNAL_USER8, JANET_SIGNAL_USER9 } JanetSignal; #define JANET_SIGNAL_EVENT JANET_SIGNAL_USER9 /* Fiber statuses - mostly corresponds to signals. */ typedef enum { JANET_STATUS_DEAD, JANET_STATUS_ERROR, JANET_STATUS_DEBUG, JANET_STATUS_PENDING, JANET_STATUS_USER0, JANET_STATUS_USER1, JANET_STATUS_USER2, JANET_STATUS_USER3, JANET_STATUS_USER4, JANET_STATUS_USER5, JANET_STATUS_USER6, JANET_STATUS_USER7, JANET_STATUS_USER8, JANET_STATUS_USER9, JANET_STATUS_NEW, JANET_STATUS_ALIVE } JanetFiberStatus; /* Use type punning for GC objects */ typedef struct JanetGCObject JanetGCObject; /* All of the primary Janet GCed types */ typedef struct JanetFunction JanetFunction; typedef struct JanetArray JanetArray; typedef struct JanetBuffer JanetBuffer; typedef struct JanetTable JanetTable; typedef struct JanetFiber JanetFiber; /* Prefixed Janet types */ typedef struct JanetTupleHead JanetTupleHead; typedef struct JanetStructHead JanetStructHead; typedef struct JanetStringHead JanetStringHead; typedef struct JanetAbstractHead JanetAbstractHead; /* Other structs */ typedef struct JanetFuncDef JanetFuncDef; typedef struct JanetFuncEnv JanetFuncEnv; typedef struct JanetKV JanetKV; typedef struct JanetStackFrame JanetStackFrame; typedef struct JanetAbstractType JanetAbstractType; typedef struct JanetReg JanetReg; typedef struct JanetMethod JanetMethod; typedef struct JanetSourceMapping JanetSourceMapping; typedef struct JanetView JanetView; typedef struct JanetByteView JanetByteView; typedef struct JanetDictView JanetDictView; typedef struct JanetRange JanetRange; typedef struct JanetRNG JanetRNG; /* Basic types for all Janet Values */ typedef enum JanetType { JANET_NUMBER, JANET_NIL, JANET_BOOLEAN, JANET_FIBER, JANET_STRING, JANET_SYMBOL, JANET_KEYWORD, JANET_ARRAY, JANET_TUPLE, JANET_TABLE, JANET_STRUCT, JANET_BUFFER, JANET_FUNCTION, JANET_CFUNCTION, JANET_ABSTRACT, JANET_POINTER } JanetType; /* Recursive type (Janet) */ #ifdef JANET_NANBOX_64 typedef union Janet Janet; union Janet { uint64_t u64; int64_t i64; double number; void *pointer; }; #elif defined(JANET_NANBOX_32) typedef union Janet Janet; union Janet { struct { #ifdef JANET_BIG_ENDIAN uint32_t type; union { int32_t integer; void *pointer; } payload; #else union { int32_t integer; void *pointer; } payload; uint32_t type; #endif } tagged; double number; uint64_t u64; }; #else typedef struct Janet Janet; struct Janet { union { uint64_t u64; double number; int32_t integer; void *pointer; const void *cpointer; } as; JanetType type; }; #endif /* C functions */ typedef Janet(*JanetCFunction)(int32_t argc, Janet *argv); /* String and other aliased pointer types */ typedef const uint8_t *JanetString; typedef const uint8_t *JanetSymbol; typedef const uint8_t *JanetKeyword; typedef const Janet *JanetTuple; typedef const JanetKV *JanetStruct; typedef void *JanetAbstract; #define JANET_COUNT_TYPES (JANET_POINTER + 1) /* Type flags */ #define JANET_TFLAG_NIL (1 << JANET_NIL) #define JANET_TFLAG_BOOLEAN (1 << JANET_BOOLEAN) #define JANET_TFLAG_FIBER (1 << JANET_FIBER) #define JANET_TFLAG_NUMBER (1 << JANET_NUMBER) #define JANET_TFLAG_STRING (1 << JANET_STRING) #define JANET_TFLAG_SYMBOL (1 << JANET_SYMBOL) #define JANET_TFLAG_KEYWORD (1 << JANET_KEYWORD) #define JANET_TFLAG_ARRAY (1 << JANET_ARRAY) #define JANET_TFLAG_TUPLE (1 << JANET_TUPLE) #define JANET_TFLAG_TABLE (1 << JANET_TABLE) #define JANET_TFLAG_STRUCT (1 << JANET_STRUCT) #define JANET_TFLAG_BUFFER (1 << JANET_BUFFER) #define JANET_TFLAG_FUNCTION (1 << JANET_FUNCTION) #define JANET_TFLAG_CFUNCTION (1 << JANET_CFUNCTION) #define JANET_TFLAG_ABSTRACT (1 << JANET_ABSTRACT) #define JANET_TFLAG_POINTER (1 << JANET_POINTER) #define JANET_TFLAG_BYTES (JANET_TFLAG_STRING | JANET_TFLAG_SYMBOL | JANET_TFLAG_BUFFER | JANET_TFLAG_KEYWORD) #define JANET_TFLAG_INDEXED (JANET_TFLAG_ARRAY | JANET_TFLAG_TUPLE) #define JANET_TFLAG_DICTIONARY (JANET_TFLAG_TABLE | JANET_TFLAG_STRUCT) #define JANET_TFLAG_LENGTHABLE (JANET_TFLAG_BYTES | JANET_TFLAG_INDEXED | JANET_TFLAG_DICTIONARY) #define JANET_TFLAG_CALLABLE (JANET_TFLAG_FUNCTION | JANET_TFLAG_CFUNCTION | \ JANET_TFLAG_LENGTHABLE | JANET_TFLAG_ABSTRACT) /* We provide three possible implementations of Janets. The preferred * nanboxing approach, for 32 or 64 bits, and the standard C version. Code in the rest of the * application must interact through exposed interface. */ /* Required interface for Janet */ /* wrap and unwrap for all types */ /* Get type quickly */ /* Check against type quickly */ /* Small footprint */ /* 32 bit integer support */ /* janet_type(x) * janet_checktype(x, t) * janet_wrap_##TYPE(x) * janet_unwrap_##TYPE(x) * janet_truthy(x) * janet_memclear(p, n) - clear memory for hash tables to nils * janet_u64(x) - get 64 bits of payload for hashing */ /***** START SECTION NON-C API *****/ /* Some janet types use offset tricks to make operations easier in C. For * external bindings, we should prefer using the Head structs directly, and * use the host language to add sugar around the manipulation of the Janet types. */ JANET_API JanetStructHead *janet_struct_head(const JanetKV *st); JANET_API JanetAbstractHead *janet_abstract_head(const void *abstract); JANET_API JanetStringHead *janet_string_head(const uint8_t *s); JANET_API JanetTupleHead *janet_tuple_head(const Janet *tuple); /* Some language bindings won't have access to the macro versions. */ JANET_API JanetType janet_type(Janet x); JANET_API int janet_checktype(Janet x, JanetType type); JANET_API int janet_checktypes(Janet x, int typeflags); JANET_API int janet_truthy(Janet x); JANET_API const JanetKV *janet_unwrap_struct(Janet x); JANET_API const Janet *janet_unwrap_tuple(Janet x); JANET_API JanetFiber *janet_unwrap_fiber(Janet x); JANET_API JanetArray *janet_unwrap_array(Janet x); JANET_API JanetTable *janet_unwrap_table(Janet x); JANET_API JanetBuffer *janet_unwrap_buffer(Janet x); JANET_API const uint8_t *janet_unwrap_string(Janet x); JANET_API const uint8_t *janet_unwrap_symbol(Janet x); JANET_API const uint8_t *janet_unwrap_keyword(Janet x); JANET_API void *janet_unwrap_abstract(Janet x); JANET_API void *janet_unwrap_pointer(Janet x); JANET_API JanetFunction *janet_unwrap_function(Janet x); JANET_API JanetCFunction janet_unwrap_cfunction(Janet x); JANET_API int janet_unwrap_boolean(Janet x); JANET_API double janet_unwrap_number(Janet x); JANET_API int32_t janet_unwrap_integer(Janet x); JANET_API Janet janet_wrap_nil(void); JANET_API Janet janet_wrap_number(double x); JANET_API Janet janet_wrap_true(void); JANET_API Janet janet_wrap_false(void); JANET_API Janet janet_wrap_boolean(int x); JANET_API Janet janet_wrap_string(const uint8_t *x); JANET_API Janet janet_wrap_symbol(const uint8_t *x); JANET_API Janet janet_wrap_keyword(const uint8_t *x); JANET_API Janet janet_wrap_array(JanetArray *x); JANET_API Janet janet_wrap_tuple(const Janet *x); JANET_API Janet janet_wrap_struct(const JanetKV *x); JANET_API Janet janet_wrap_fiber(JanetFiber *x); JANET_API Janet janet_wrap_buffer(JanetBuffer *x); JANET_API Janet janet_wrap_function(JanetFunction *x); JANET_API Janet janet_wrap_cfunction(JanetCFunction x); JANET_API Janet janet_wrap_table(JanetTable *x); JANET_API Janet janet_wrap_abstract(void *x); JANET_API Janet janet_wrap_pointer(void *x); JANET_API Janet janet_wrap_integer(int32_t x); /***** END SECTION NON-C API *****/ #ifdef JANET_NANBOX_64 #include #define janet_u64(x) ((x).u64) #define JANET_NANBOX_TAGBITS 0xFFFF800000000000llu #define JANET_NANBOX_PAYLOADBITS 0x00007FFFFFFFFFFFllu #define janet_nanbox_lowtag(type) ((uint64_t)(type) | 0x1FFF0) #define janet_nanbox_tag(type) (janet_nanbox_lowtag(type) << 47) #define janet_type(x) \ (isnan((x).number) \ ? (((x).u64 >> 47) & 0xF) \ : JANET_NUMBER) #define janet_nanbox_checkauxtype(x, type) \ (((x).u64 & JANET_NANBOX_TAGBITS) == janet_nanbox_tag((type))) #define janet_nanbox_isnumber(x) \ (!isnan((x).number) || janet_nanbox_checkauxtype((x), JANET_NUMBER)) #define janet_checktype(x, t) \ (((t) == JANET_NUMBER) \ ? janet_nanbox_isnumber(x) \ : janet_nanbox_checkauxtype((x), (t))) JANET_API void *janet_nanbox_to_pointer(Janet x); JANET_API Janet janet_nanbox_from_pointer(void *p, uint64_t tagmask); JANET_API Janet janet_nanbox_from_cpointer(const void *p, uint64_t tagmask); JANET_API Janet janet_nanbox_from_double(double d); JANET_API Janet janet_nanbox_from_bits(uint64_t bits); #define janet_truthy(x) \ (!janet_checktype((x), JANET_NIL) && \ (!janet_checktype((x), JANET_BOOLEAN) || ((x).u64 & 0x1))) #define janet_nanbox_from_payload(t, p) \ janet_nanbox_from_bits(janet_nanbox_tag(t) | (p)) #define janet_nanbox_wrap_(p, t) \ janet_nanbox_from_pointer((p), janet_nanbox_tag(t)) #define janet_nanbox_wrap_c(p, t) \ janet_nanbox_from_cpointer((p), janet_nanbox_tag(t)) /* Wrap the simple types */ #define janet_wrap_nil() janet_nanbox_from_payload(JANET_NIL, 1) #define janet_wrap_true() janet_nanbox_from_payload(JANET_BOOLEAN, 1) #define janet_wrap_false() janet_nanbox_from_payload(JANET_BOOLEAN, 0) #define janet_wrap_boolean(b) janet_nanbox_from_payload(JANET_BOOLEAN, !!(b)) #define janet_wrap_number(r) janet_nanbox_from_double(r) /* Unwrap the simple types */ #define janet_unwrap_boolean(x) ((x).u64 & 0x1) #define janet_unwrap_number(x) ((x).number) /* Wrap the pointer types */ #define janet_wrap_struct(s) janet_nanbox_wrap_c((s), JANET_STRUCT) #define janet_wrap_tuple(s) janet_nanbox_wrap_c((s), JANET_TUPLE) #define janet_wrap_fiber(s) janet_nanbox_wrap_((s), JANET_FIBER) #define janet_wrap_array(s) janet_nanbox_wrap_((s), JANET_ARRAY) #define janet_wrap_table(s) janet_nanbox_wrap_((s), JANET_TABLE) #define janet_wrap_buffer(s) janet_nanbox_wrap_((s), JANET_BUFFER) #define janet_wrap_string(s) janet_nanbox_wrap_c((s), JANET_STRING) #define janet_wrap_symbol(s) janet_nanbox_wrap_c((s), JANET_SYMBOL) #define janet_wrap_keyword(s) janet_nanbox_wrap_c((s), JANET_KEYWORD) #define janet_wrap_abstract(s) janet_nanbox_wrap_((s), JANET_ABSTRACT) #define janet_wrap_function(s) janet_nanbox_wrap_((s), JANET_FUNCTION) #define janet_wrap_cfunction(s) janet_nanbox_wrap_((s), JANET_CFUNCTION) #define janet_wrap_pointer(s) janet_nanbox_wrap_((s), JANET_POINTER) /* Unwrap the pointer types */ #define janet_unwrap_struct(x) ((const JanetKV *)janet_nanbox_to_pointer(x)) #define janet_unwrap_tuple(x) ((const Janet *)janet_nanbox_to_pointer(x)) #define janet_unwrap_fiber(x) ((JanetFiber *)janet_nanbox_to_pointer(x)) #define janet_unwrap_array(x) ((JanetArray *)janet_nanbox_to_pointer(x)) #define janet_unwrap_table(x) ((JanetTable *)janet_nanbox_to_pointer(x)) #define janet_unwrap_buffer(x) ((JanetBuffer *)janet_nanbox_to_pointer(x)) #define janet_unwrap_string(x) ((const uint8_t *)janet_nanbox_to_pointer(x)) #define janet_unwrap_symbol(x) ((const uint8_t *)janet_nanbox_to_pointer(x)) #define janet_unwrap_keyword(x) ((const uint8_t *)janet_nanbox_to_pointer(x)) #define janet_unwrap_abstract(x) (janet_nanbox_to_pointer(x)) #define janet_unwrap_pointer(x) (janet_nanbox_to_pointer(x)) #define janet_unwrap_function(x) ((JanetFunction *)janet_nanbox_to_pointer(x)) #define janet_unwrap_cfunction(x) ((JanetCFunction)janet_nanbox_to_pointer(x)) #elif defined(JANET_NANBOX_32) #define JANET_DOUBLE_OFFSET 0xFFFF #define janet_u64(x) ((x).u64) #define janet_type(x) (((x).tagged.type < JANET_DOUBLE_OFFSET) ? (x).tagged.type : JANET_NUMBER) #define janet_checktype(x, t) ((t) == JANET_NUMBER \ ? (x).tagged.type >= JANET_DOUBLE_OFFSET \ : (x).tagged.type == (t)) #define janet_truthy(x) \ ((x).tagged.type != JANET_NIL && ((x).tagged.type != JANET_BOOLEAN || ((x).tagged.payload.integer & 0x1))) JANET_API Janet janet_nanbox32_from_tagi(uint32_t tag, int32_t integer); JANET_API Janet janet_nanbox32_from_tagp(uint32_t tag, void *pointer); #define janet_wrap_nil() janet_nanbox32_from_tagi(JANET_NIL, 0) #define janet_wrap_true() janet_nanbox32_from_tagi(JANET_BOOLEAN, 1) #define janet_wrap_false() janet_nanbox32_from_tagi(JANET_BOOLEAN, 0) #define janet_wrap_boolean(b) janet_nanbox32_from_tagi(JANET_BOOLEAN, !!(b)) /* Wrap the pointer types */ #define janet_wrap_struct(s) janet_nanbox32_from_tagp(JANET_STRUCT, (void *)(s)) #define janet_wrap_tuple(s) janet_nanbox32_from_tagp(JANET_TUPLE, (void *)(s)) #define janet_wrap_fiber(s) janet_nanbox32_from_tagp(JANET_FIBER, (void *)(s)) #define janet_wrap_array(s) janet_nanbox32_from_tagp(JANET_ARRAY, (void *)(s)) #define janet_wrap_table(s) janet_nanbox32_from_tagp(JANET_TABLE, (void *)(s)) #define janet_wrap_buffer(s) janet_nanbox32_from_tagp(JANET_BUFFER, (void *)(s)) #define janet_wrap_string(s) janet_nanbox32_from_tagp(JANET_STRING, (void *)(s)) #define janet_wrap_symbol(s) janet_nanbox32_from_tagp(JANET_SYMBOL, (void *)(s)) #define janet_wrap_keyword(s) janet_nanbox32_from_tagp(JANET_KEYWORD, (void *)(s)) #define janet_wrap_abstract(s) janet_nanbox32_from_tagp(JANET_ABSTRACT, (void *)(s)) #define janet_wrap_function(s) janet_nanbox32_from_tagp(JANET_FUNCTION, (void *)(s)) #define janet_wrap_cfunction(s) janet_nanbox32_from_tagp(JANET_CFUNCTION, (void *)(s)) #define janet_wrap_pointer(s) janet_nanbox32_from_tagp(JANET_POINTER, (void *)(s)) #define janet_unwrap_struct(x) ((const JanetKV *)(x).tagged.payload.pointer) #define janet_unwrap_tuple(x) ((const Janet *)(x).tagged.payload.pointer) #define janet_unwrap_fiber(x) ((JanetFiber *)(x).tagged.payload.pointer) #define janet_unwrap_array(x) ((JanetArray *)(x).tagged.payload.pointer) #define janet_unwrap_table(x) ((JanetTable *)(x).tagged.payload.pointer) #define janet_unwrap_buffer(x) ((JanetBuffer *)(x).tagged.payload.pointer) #define janet_unwrap_string(x) ((const uint8_t *)(x).tagged.payload.pointer) #define janet_unwrap_symbol(x) ((const uint8_t *)(x).tagged.payload.pointer) #define janet_unwrap_keyword(x) ((const uint8_t *)(x).tagged.payload.pointer) #define janet_unwrap_abstract(x) ((x).tagged.payload.pointer) #define janet_unwrap_pointer(x) ((x).tagged.payload.pointer) #define janet_unwrap_function(x) ((JanetFunction *)(x).tagged.payload.pointer) #define janet_unwrap_cfunction(x) ((JanetCFunction)(x).tagged.payload.pointer) #define janet_unwrap_boolean(x) ((x).tagged.payload.integer) #else #define janet_u64(x) ((x).as.u64) #define janet_type(x) ((x).type) #define janet_checktype(x, t) ((x).type == (t)) #define janet_truthy(x) \ ((x).type != JANET_NIL && ((x).type != JANET_BOOLEAN || ((x).as.u64 & 0x1))) #define janet_unwrap_struct(x) ((const JanetKV *)(x).as.pointer) #define janet_unwrap_tuple(x) ((const Janet *)(x).as.pointer) #define janet_unwrap_fiber(x) ((JanetFiber *)(x).as.pointer) #define janet_unwrap_array(x) ((JanetArray *)(x).as.pointer) #define janet_unwrap_table(x) ((JanetTable *)(x).as.pointer) #define janet_unwrap_buffer(x) ((JanetBuffer *)(x).as.pointer) #define janet_unwrap_string(x) ((const uint8_t *)(x).as.pointer) #define janet_unwrap_symbol(x) ((const uint8_t *)(x).as.pointer) #define janet_unwrap_keyword(x) ((const uint8_t *)(x).as.pointer) #define janet_unwrap_abstract(x) ((x).as.pointer) #define janet_unwrap_pointer(x) ((x).as.pointer) #define janet_unwrap_function(x) ((JanetFunction *)(x).as.pointer) #define janet_unwrap_cfunction(x) ((JanetCFunction)(x).as.pointer) #define janet_unwrap_boolean(x) ((x).as.u64 & 0x1) #define janet_unwrap_number(x) ((x).as.number) /* End of tagged union implementation */ #endif JANET_API int janet_checkint(Janet x); JANET_API int janet_checkint64(Janet x); JANET_API int janet_checksize(Janet x); JANET_API JanetAbstract janet_checkabstract(Janet x, const JanetAbstractType *at); #define janet_checkintrange(x) ((x) >= INT32_MIN && (x) <= INT32_MAX && (x) == (int32_t)(x)) #define janet_checkint64range(x) ((x) >= INT64_MIN && (x) <= INT64_MAX && (x) == (int64_t)(x)) #define janet_unwrap_integer(x) ((int32_t) janet_unwrap_number(x)) #define janet_wrap_integer(x) janet_wrap_number((int32_t)(x)) #define janet_checktypes(x, tps) ((1 << janet_type(x)) & (tps)) /* GC Object type pun. The lower 16 bits of flags are reserved for the garbage collector, * but the upper 16 can be used per type for custom flags. The current collector is a linked * list of blocks, which is naive but works. */ struct JanetGCObject { int32_t flags; JanetGCObject *next; }; /* A lightweight green thread in janet. Does not correspond to * operating system threads. */ struct JanetFiber { JanetGCObject gc; /* GC Object stuff */ int32_t flags; /* More flags */ int32_t frame; /* Index of the stack frame */ int32_t stackstart; /* Beginning of next args */ int32_t stacktop; /* Top of stack. Where values are pushed and popped from. */ int32_t capacity; int32_t maxstack; /* Arbitrary defined limit for stack overflow */ JanetTable *env; /* Dynamic bindings table (usually current environment). */ Janet *data; JanetFiber *child; /* Keep linked list of fibers for restarting pending fibers */ }; /* Mark if a stack frame is a tail call for debugging */ #define JANET_STACKFRAME_TAILCALL 1 /* Mark if a stack frame is an entrance frame */ #define JANET_STACKFRAME_ENTRANCE 2 /* A stack frame on the fiber. Is stored along with the stack values. */ struct JanetStackFrame { JanetFunction *func; uint32_t *pc; JanetFuncEnv *env; int32_t prevframe; int32_t flags; }; /* Number of Janets a frame takes up in the stack * Should be constant across architectures */ #define JANET_FRAME_SIZE 4 /* A dynamic array type. */ struct JanetArray { JanetGCObject gc; int32_t count; int32_t capacity; Janet *data; }; /* A byte buffer type. Used as a mutable string or string builder. */ struct JanetBuffer { JanetGCObject gc; int32_t count; int32_t capacity; uint8_t *data; }; /* A mutable associative data type. Backed by a hashtable. */ struct JanetTable { JanetGCObject gc; int32_t count; int32_t capacity; int32_t deleted; JanetKV *data; JanetTable *proto; }; /* A key value pair in a struct or table */ struct JanetKV { Janet key; Janet value; }; /* Prefix for a tuple */ struct JanetTupleHead { JanetGCObject gc; int32_t length; int32_t hash; int32_t sm_line; int32_t sm_column; const Janet data[]; }; /* Prefix for a struct */ struct JanetStructHead { JanetGCObject gc; int32_t length; int32_t hash; int32_t capacity; const JanetKV data[]; }; /* Prefix for a string */ struct JanetStringHead { JanetGCObject gc; int32_t length; int32_t hash; const uint8_t data[]; }; /* Prefix for an abstract value */ struct JanetAbstractHead { JanetGCObject gc; const JanetAbstractType *type; size_t size; long long data[]; /* Use long long to ensure most general alignment */ }; /* Some function definition flags */ #define JANET_FUNCDEF_FLAG_VARARG 0x10000 #define JANET_FUNCDEF_FLAG_NEEDSENV 0x20000 #define JANET_FUNCDEF_FLAG_HASNAME 0x80000 #define JANET_FUNCDEF_FLAG_HASSOURCE 0x100000 #define JANET_FUNCDEF_FLAG_HASDEFS 0x200000 #define JANET_FUNCDEF_FLAG_HASENVS 0x400000 #define JANET_FUNCDEF_FLAG_HASSOURCEMAP 0x800000 #define JANET_FUNCDEF_FLAG_STRUCTARG 0x1000000 #define JANET_FUNCDEF_FLAG_HASCLOBITSET 0x2000000 #define JANET_FUNCDEF_FLAG_TAG 0xFFFF /* Source mapping structure for a bytecode instruction */ struct JanetSourceMapping { int32_t line; int32_t column; }; /* A function definition. Contains information needed to instantiate closures. */ struct JanetFuncDef { JanetGCObject gc; int32_t *environments; /* Which environments to capture from parent. */ Janet *constants; JanetFuncDef **defs; uint32_t *bytecode; uint32_t *closure_bitset; /* Bit set indicating which slots can be referenced by closures. */ /* Various debug information */ JanetSourceMapping *sourcemap; JanetString source; JanetString name; int32_t flags; int32_t slotcount; /* The amount of stack space required for the function */ int32_t arity; /* Not including varargs */ int32_t min_arity; /* Including varargs */ int32_t max_arity; /* Including varargs */ int32_t constants_length; int32_t bytecode_length; int32_t environments_length; int32_t defs_length; }; /* A function environment */ struct JanetFuncEnv { JanetGCObject gc; union { JanetFiber *fiber; Janet *values; } as; int32_t length; /* Size of environment */ int32_t offset; /* Stack offset when values still on stack. If offset is <= 0, then environment is no longer on the stack. */ }; #define JANET_FUNCFLAG_TRACE (1 << 16) /* A function */ struct JanetFunction { JanetGCObject gc; JanetFuncDef *def; JanetFuncEnv *envs[]; }; typedef struct JanetParseState JanetParseState; typedef struct JanetParser JanetParser; enum JanetParserStatus { JANET_PARSE_ROOT, JANET_PARSE_ERROR, JANET_PARSE_PENDING, JANET_PARSE_DEAD }; /* A janet parser */ struct JanetParser { Janet *args; const char *error; JanetParseState *states; uint8_t *buf; size_t argcount; size_t argcap; size_t statecount; size_t statecap; size_t bufcount; size_t bufcap; size_t line; size_t column; size_t pending; int lookback; int flag; }; /* A context for marshaling and unmarshaling abstract types */ typedef struct { void *m_state; void *u_state; int flags; const uint8_t *data; const JanetAbstractType *at; } JanetMarshalContext; /* Defines an abstract type */ struct JanetAbstractType { const char *name; int (*gc)(void *data, size_t len); int (*gcmark)(void *data, size_t len); int (*get)(void *data, Janet key, Janet *out); void (*put)(void *data, Janet key, Janet value); void (*marshal)(void *p, JanetMarshalContext *ctx); void *(*unmarshal)(JanetMarshalContext *ctx); void (*tostring)(void *p, JanetBuffer *buffer); int (*compare)(void *lhs, void *rhs); int32_t (*hash)(void *p, size_t len); Janet(*next)(void *p, Janet key); Janet(*call)(void *p, int32_t argc, Janet *argv); }; /* Some macros to let us add extra types to JanetAbstract types without * needing to changing native modules that declare them as static const * structures. If more fields are added, these macros are modified to include * default values (usually NULL). This silences missing field warnings. */ #define JANET_ATEND_NAME NULL,JANET_ATEND_GC #define JANET_ATEND_GC NULL,JANET_ATEND_GCMARK #define JANET_ATEND_GCMARK NULL,JANET_ATEND_GET #define JANET_ATEND_GET NULL,JANET_ATEND_PUT #define JANET_ATEND_PUT NULL,JANET_ATEND_MARSHAL #define JANET_ATEND_MARSHAL NULL,JANET_ATEND_UNMARSHAL #define JANET_ATEND_UNMARSHAL NULL,JANET_ATEND_TOSTRING #define JANET_ATEND_TOSTRING NULL,JANET_ATEND_COMPARE #define JANET_ATEND_COMPARE NULL,JANET_ATEND_HASH #define JANET_ATEND_HASH NULL,JANET_ATEND_NEXT #define JANET_ATEND_NEXT NULL,JANET_ATEND_CALL #define JANET_ATEND_CALL struct JanetReg { const char *name; JanetCFunction cfun; const char *documentation; }; struct JanetMethod { const char *name; JanetCFunction cfun; }; struct JanetView { const Janet *items; int32_t len; }; struct JanetByteView { const uint8_t *bytes; int32_t len; }; struct JanetDictView { const JanetKV *kvs; int32_t len; int32_t cap; }; struct JanetRange { int32_t start; int32_t end; }; struct JanetRNG { uint32_t a, b, c, d; uint32_t counter; }; typedef struct JanetFile JanetFile; struct JanetFile { FILE *file; int flags; }; /* Thread types */ #ifdef JANET_THREADS typedef struct JanetThread JanetThread; typedef struct JanetMailbox JanetMailbox; struct JanetThread { JanetMailbox *mailbox; JanetTable *encode; }; #endif /***** END SECTION TYPES *****/ /***** START SECTION OPCODES *****/ /* Bytecode op argument types */ enum JanetOpArgType { JANET_OAT_SLOT, JANET_OAT_ENVIRONMENT, JANET_OAT_CONSTANT, JANET_OAT_INTEGER, JANET_OAT_TYPE, JANET_OAT_SIMPLETYPE, JANET_OAT_LABEL, JANET_OAT_FUNCDEF }; /* Various types of instructions */ enum JanetInstructionType { JINT_0, /* No args */ JINT_S, /* Slot(3) */ JINT_L, /* Label(3) */ JINT_SS, /* Slot(1), Slot(2) */ JINT_SL, /* Slot(1), Label(2) */ JINT_ST, /* Slot(1), Slot(2) */ JINT_SI, /* Slot(1), Immediate(2) */ JINT_SD, /* Slot(1), Closure(2) */ JINT_SU, /* Slot(1), Unsigned Immediate(2) */ JINT_SSS, /* Slot(1), Slot(1), Slot(1) */ JINT_SSI, /* Slot(1), Slot(1), Immediate(1) */ JINT_SSU, /* Slot(1), Slot(1), Unsigned Immediate(1) */ JINT_SES, /* Slot(1), Environment(1), Far Slot(1) */ JINT_SC /* Slot(1), Constant(2) */ }; /* All opcodes for the bytecode interpreter. */ enum JanetOpCode { JOP_NOOP, JOP_ERROR, JOP_TYPECHECK, JOP_RETURN, JOP_RETURN_NIL, JOP_ADD_IMMEDIATE, JOP_ADD, JOP_SUBTRACT, JOP_MULTIPLY_IMMEDIATE, JOP_MULTIPLY, JOP_DIVIDE_IMMEDIATE, JOP_DIVIDE, JOP_MODULO, JOP_REMAINDER, JOP_BAND, JOP_BOR, JOP_BXOR, JOP_BNOT, JOP_SHIFT_LEFT, JOP_SHIFT_LEFT_IMMEDIATE, JOP_SHIFT_RIGHT, JOP_SHIFT_RIGHT_IMMEDIATE, JOP_SHIFT_RIGHT_UNSIGNED, JOP_SHIFT_RIGHT_UNSIGNED_IMMEDIATE, JOP_MOVE_FAR, JOP_MOVE_NEAR, JOP_JUMP, JOP_JUMP_IF, JOP_JUMP_IF_NOT, JOP_JUMP_IF_NIL, JOP_JUMP_IF_NOT_NIL, JOP_GREATER_THAN, JOP_GREATER_THAN_IMMEDIATE, JOP_LESS_THAN, JOP_LESS_THAN_IMMEDIATE, JOP_EQUALS, JOP_EQUALS_IMMEDIATE, JOP_COMPARE, JOP_LOAD_NIL, JOP_LOAD_TRUE, JOP_LOAD_FALSE, JOP_LOAD_INTEGER, JOP_LOAD_CONSTANT, JOP_LOAD_UPVALUE, JOP_LOAD_SELF, JOP_SET_UPVALUE, JOP_CLOSURE, JOP_PUSH, JOP_PUSH_2, JOP_PUSH_3, JOP_PUSH_ARRAY, JOP_CALL, JOP_TAILCALL, JOP_RESUME, JOP_SIGNAL, JOP_PROPAGATE, JOP_IN, JOP_GET, JOP_PUT, JOP_GET_INDEX, JOP_PUT_INDEX, JOP_LENGTH, JOP_MAKE_ARRAY, JOP_MAKE_BUFFER, JOP_MAKE_STRING, JOP_MAKE_STRUCT, JOP_MAKE_TABLE, JOP_MAKE_TUPLE, JOP_MAKE_BRACKET_TUPLE, JOP_GREATER_THAN_EQUAL, JOP_LESS_THAN_EQUAL, JOP_NEXT, JOP_INSTRUCTION_COUNT }; /* Info about all instructions */ extern enum JanetInstructionType janet_instructions[JOP_INSTRUCTION_COUNT]; /***** END SECTION OPCODES *****/ /***** START SECTION MAIN *****/ /* Event Loop */ #ifdef JANET_EV #define JANET_POLL_FLAG_CLOSED 0x1 #define JANET_POLL_FLAG_SOCKET 0x2 typedef enum { JANET_ASYNC_EVENT_INIT, JANET_ASYNC_EVENT_MARK, JANET_ASYNC_EVENT_DEINIT, JANET_ASYNC_EVENT_CLOSE, JANET_ASYNC_EVENT_READ, JANET_ASYNC_EVENT_WRITE, JANET_ASYNC_EVENT_TIMEOUT } JanetAsyncEvent; #define JANET_ASYNC_LISTEN_READ (1 << JANET_ASYNC_EVENT_READ) #define JANET_ASYNC_LISTEN_WRITE (1 << JANET_ASYNC_EVENT_WRITE) typedef enum { JANET_ASYNC_STATUS_NOT_DONE, JANET_ASYNC_STATUS_DONE } JanetAsyncStatus; /* Typedefs */ #ifdef JANET_WINDOWS typedef HANDLE JanetPollType; #else typedef int JanetPollType; #endif typedef struct JanetListenerState JanetListenerState; typedef struct JanetPollable JanetPollable; typedef JanetAsyncStatus(*JanetListener)(JanetListenerState *state, JanetAsyncEvent event); /* Wrapper around file descriptors and HANDLEs that can be polled. */ struct JanetPollable { JanetPollType handle; uint32_t flags; JanetListenerState *state; /* internal */ int _mask; }; /* Interface for state machine based event loop */ struct JanetListenerState { JanetListener machine; JanetFiber *fiber; JanetPollable *pollable; /* internal */ int _mask; JanetListenerState *_next; }; /* Run the event loop */ JANET_API void janet_loop(void); /* Wrapper around pollables */ JANET_API void janet_pollable_init(JanetPollable *pollable, JanetPollType handle); JANET_API void janet_pollable_mark(JanetPollable *pollable); JANET_API void janet_pollable_deinit(JanetPollable *pollable); /* Queue a fiber to run on the event loop */ JANET_API void janet_schedule(JanetFiber *fiber, Janet value); /* Start a state machine listening for events from a pollable */ JANET_API JanetListenerState *janet_listen(JanetPollable *pollable, JanetListener behavior, int mask, size_t size); /* Shorthand for yielding to event loop in C */ JANET_NO_RETURN JANET_API void janet_await(void); #endif /* Parsing */ extern JANET_API const JanetAbstractType janet_parser_type; JANET_API void janet_parser_init(JanetParser *parser); JANET_API void janet_parser_deinit(JanetParser *parser); JANET_API void janet_parser_consume(JanetParser *parser, uint8_t c); JANET_API enum JanetParserStatus janet_parser_status(JanetParser *parser); JANET_API Janet janet_parser_produce(JanetParser *parser); JANET_API const char *janet_parser_error(JanetParser *parser); JANET_API void janet_parser_flush(JanetParser *parser); JANET_API void janet_parser_eof(JanetParser *parser); JANET_API int janet_parser_has_more(JanetParser *parser); /* Assembly */ #ifdef JANET_ASSEMBLER typedef struct JanetAssembleResult JanetAssembleResult; enum JanetAssembleStatus { JANET_ASSEMBLE_OK, JANET_ASSEMBLE_ERROR }; struct JanetAssembleResult { JanetFuncDef *funcdef; JanetString error; enum JanetAssembleStatus status; }; JANET_API JanetAssembleResult janet_asm(Janet source, int flags); JANET_API Janet janet_disasm(JanetFuncDef *def); JANET_API Janet janet_asm_decode_instruction(uint32_t instr); #endif /* Compilation */ typedef struct JanetCompileResult JanetCompileResult; enum JanetCompileStatus { JANET_COMPILE_OK, JANET_COMPILE_ERROR }; struct JanetCompileResult { JanetFuncDef *funcdef; JanetString error; JanetFiber *macrofiber; JanetSourceMapping error_mapping; enum JanetCompileStatus status; }; JANET_API JanetCompileResult janet_compile(Janet source, JanetTable *env, JanetString where); /* Get the default environment for janet */ JANET_API JanetTable *janet_core_env(JanetTable *replacements); JANET_API int janet_dobytes(JanetTable *env, const uint8_t *bytes, int32_t len, const char *sourcePath, Janet *out); JANET_API int janet_dostring(JanetTable *env, const char *str, const char *sourcePath, Janet *out); /* Number scanning */ JANET_API int janet_scan_number(const uint8_t *str, int32_t len, double *out); JANET_API int janet_scan_int64(const uint8_t *str, int32_t len, int64_t *out); JANET_API int janet_scan_uint64(const uint8_t *str, int32_t len, uint64_t *out); /* Debugging */ JANET_API void janet_debug_break(JanetFuncDef *def, int32_t pc); JANET_API void janet_debug_unbreak(JanetFuncDef *def, int32_t pc); JANET_API void janet_debug_find( JanetFuncDef **def_out, int32_t *pc_out, JanetString source, int32_t line, int32_t column); /* RNG */ extern JANET_API const JanetAbstractType janet_rng_type; JANET_API JanetRNG *janet_default_rng(void); JANET_API void janet_rng_seed(JanetRNG *rng, uint32_t seed); JANET_API void janet_rng_longseed(JanetRNG *rng, const uint8_t *bytes, int32_t len); JANET_API uint32_t janet_rng_u32(JanetRNG *rng); /* Array functions */ JANET_API JanetArray *janet_array(int32_t capacity); JANET_API JanetArray *janet_array_n(const Janet *elements, int32_t n); JANET_API void janet_array_ensure(JanetArray *array, int32_t capacity, int32_t growth); JANET_API void janet_array_setcount(JanetArray *array, int32_t count); JANET_API void janet_array_push(JanetArray *array, Janet x); JANET_API Janet janet_array_pop(JanetArray *array); JANET_API Janet janet_array_peek(JanetArray *array); /* Buffer functions */ JANET_API JanetBuffer *janet_buffer(int32_t capacity); JANET_API JanetBuffer *janet_buffer_init(JanetBuffer *buffer, int32_t capacity); JANET_API void janet_buffer_deinit(JanetBuffer *buffer); JANET_API void janet_buffer_ensure(JanetBuffer *buffer, int32_t capacity, int32_t growth); JANET_API void janet_buffer_setcount(JanetBuffer *buffer, int32_t count); JANET_API void janet_buffer_extra(JanetBuffer *buffer, int32_t n); JANET_API void janet_buffer_push_bytes(JanetBuffer *buffer, const uint8_t *string, int32_t len); JANET_API void janet_buffer_push_string(JanetBuffer *buffer, JanetString string); JANET_API void janet_buffer_push_cstring(JanetBuffer *buffer, const char *cstring); JANET_API void janet_buffer_push_u8(JanetBuffer *buffer, uint8_t x); JANET_API void janet_buffer_push_u16(JanetBuffer *buffer, uint16_t x); JANET_API void janet_buffer_push_u32(JanetBuffer *buffer, uint32_t x); JANET_API void janet_buffer_push_u64(JanetBuffer *buffer, uint64_t x); /* Tuple */ #define JANET_TUPLE_FLAG_BRACKETCTOR 0x10000 #define janet_tuple_head(t) ((JanetTupleHead *)((char *)t - offsetof(JanetTupleHead, data))) #define janet_tuple_from_head(gcobject) ((const Janet *)((char *)gcobject + offsetof(JanetTupleHead, data))) #define janet_tuple_length(t) (janet_tuple_head(t)->length) #define janet_tuple_hash(t) (janet_tuple_head(t)->hash) #define janet_tuple_sm_line(t) (janet_tuple_head(t)->sm_line) #define janet_tuple_sm_column(t) (janet_tuple_head(t)->sm_column) #define janet_tuple_flag(t) (janet_tuple_head(t)->gc.flags) JANET_API Janet *janet_tuple_begin(int32_t length); JANET_API JanetTuple janet_tuple_end(Janet *tuple); JANET_API JanetTuple janet_tuple_n(const Janet *values, int32_t n); /* String/Symbol functions */ #define janet_string_head(s) ((JanetStringHead *)((char *)s - offsetof(JanetStringHead, data))) #define janet_string_length(s) (janet_string_head(s)->length) #define janet_string_hash(s) (janet_string_head(s)->hash) JANET_API uint8_t *janet_string_begin(int32_t length); JANET_API JanetString janet_string_end(uint8_t *str); JANET_API JanetString janet_string(const uint8_t *buf, int32_t len); JANET_API JanetString janet_cstring(const char *cstring); JANET_API int janet_string_compare(JanetString lhs, JanetString rhs); JANET_API int janet_string_equal(JanetString lhs, JanetString rhs); JANET_API int janet_string_equalconst(JanetString lhs, const uint8_t *rhs, int32_t rlen, int32_t rhash); JANET_API JanetString janet_description(Janet x); JANET_API JanetString janet_to_string(Janet x); JANET_API void janet_to_string_b(JanetBuffer *buffer, Janet x); JANET_API void janet_description_b(JanetBuffer *buffer, Janet x); #define janet_cstringv(cstr) janet_wrap_string(janet_cstring(cstr)) #define janet_stringv(str, len) janet_wrap_string(janet_string((str), (len))) JANET_API JanetString janet_formatc(const char *format, ...); JANET_API JanetBuffer *janet_formatb(JanetBuffer *bufp, const char *format, ...); JANET_API void janet_formatbv(JanetBuffer *bufp, const char *format, va_list args); /* Symbol functions */ JANET_API JanetSymbol janet_symbol(const uint8_t *str, int32_t len); JANET_API JanetSymbol janet_csymbol(const char *str); JANET_API JanetSymbol janet_symbol_gen(void); #define janet_symbolv(str, len) janet_wrap_symbol(janet_symbol((str), (len))) #define janet_csymbolv(cstr) janet_wrap_symbol(janet_csymbol(cstr)) /* Keyword functions */ #define janet_keyword janet_symbol #define janet_ckeyword janet_csymbol #define janet_keywordv(str, len) janet_wrap_keyword(janet_keyword((str), (len))) #define janet_ckeywordv(cstr) janet_wrap_keyword(janet_ckeyword(cstr)) /* Structs */ #define janet_struct_head(t) ((JanetStructHead *)((char *)t - offsetof(JanetStructHead, data))) #define janet_struct_from_head(t) ((const JanetKV *)((char *)gcobject + offsetof(JanetStructHead, data))) #define janet_struct_length(t) (janet_struct_head(t)->length) #define janet_struct_capacity(t) (janet_struct_head(t)->capacity) #define janet_struct_hash(t) (janet_struct_head(t)->hash) JANET_API JanetKV *janet_struct_begin(int32_t count); JANET_API void janet_struct_put(JanetKV *st, Janet key, Janet value); JANET_API JanetStruct janet_struct_end(JanetKV *st); JANET_API Janet janet_struct_get(JanetStruct st, Janet key); JANET_API JanetTable *janet_struct_to_table(JanetStruct st); JANET_API const JanetKV *janet_struct_find(JanetStruct st, Janet key); /* Table functions */ JANET_API JanetTable *janet_table(int32_t capacity); JANET_API JanetTable *janet_table_init(JanetTable *table, int32_t capacity); JANET_API void janet_table_deinit(JanetTable *table); JANET_API Janet janet_table_get(JanetTable *t, Janet key); JANET_API Janet janet_table_get_ex(JanetTable *t, Janet key, JanetTable **which); JANET_API Janet janet_table_rawget(JanetTable *t, Janet key); JANET_API Janet janet_table_remove(JanetTable *t, Janet key); JANET_API void janet_table_put(JanetTable *t, Janet key, Janet value); JANET_API JanetStruct janet_table_to_struct(JanetTable *t); JANET_API void janet_table_merge_table(JanetTable *table, JanetTable *other); JANET_API void janet_table_merge_struct(JanetTable *table, JanetStruct other); JANET_API JanetKV *janet_table_find(JanetTable *t, Janet key); JANET_API JanetTable *janet_table_clone(JanetTable *table); /* Fiber */ JANET_API JanetFiber *janet_fiber(JanetFunction *callee, int32_t capacity, int32_t argc, const Janet *argv); JANET_API JanetFiber *janet_fiber_reset(JanetFiber *fiber, JanetFunction *callee, int32_t argc, const Janet *argv); JANET_API JanetFiberStatus janet_fiber_status(JanetFiber *fiber); JANET_API JanetFiber *janet_current_fiber(void); JANET_API JanetFiber *janet_root_fiber(void); /* Treat similar types through uniform interfaces for iteration */ JANET_API int janet_indexed_view(Janet seq, const Janet **data, int32_t *len); JANET_API int janet_bytes_view(Janet str, const uint8_t **data, int32_t *len); JANET_API int janet_dictionary_view(Janet tab, const JanetKV **data, int32_t *len, int32_t *cap); JANET_API Janet janet_dictionary_get(const JanetKV *data, int32_t cap, Janet key); JANET_API const JanetKV *janet_dictionary_next(const JanetKV *kvs, int32_t cap, const JanetKV *kv); /* Abstract */ #define janet_abstract_head(u) ((JanetAbstractHead *)((char *)u - offsetof(JanetAbstractHead, data))) #define janet_abstract_from_head(gcobject) ((JanetAbstract)((char *)gcobject + offsetof(JanetAbstractHead, data))) #define janet_abstract_type(u) (janet_abstract_head(u)->type) #define janet_abstract_size(u) (janet_abstract_head(u)->size) JANET_API void *janet_abstract_begin(const JanetAbstractType *type, size_t size); JANET_API JanetAbstract janet_abstract_end(void *abstractTemplate); JANET_API JanetAbstract janet_abstract(const JanetAbstractType *type, size_t size); /* begin and end in one call */ /* Native */ typedef void (*JanetModule)(JanetTable *); typedef JanetBuildConfig(*JanetModconf)(void); JANET_API JanetModule janet_native(const char *name, JanetString *error); /* Marshaling */ #define JANET_MARSHAL_UNSAFE 0x20000 JANET_API void janet_marshal( JanetBuffer *buf, Janet x, JanetTable *rreg, int flags); JANET_API Janet janet_unmarshal( const uint8_t *bytes, size_t len, int flags, JanetTable *reg, const uint8_t **next); JANET_API JanetTable *janet_env_lookup(JanetTable *env); JANET_API void janet_env_lookup_into(JanetTable *renv, JanetTable *env, const char *prefix, int recurse); /* GC */ JANET_API void janet_mark(Janet x); JANET_API void janet_sweep(void); JANET_API void janet_collect(void); JANET_API void janet_clear_memory(void); JANET_API void janet_gcroot(Janet root); JANET_API int janet_gcunroot(Janet root); JANET_API int janet_gcunrootall(Janet root); JANET_API int janet_gclock(void); JANET_API void janet_gcunlock(int handle); JANET_API void janet_gcpressure(size_t s); /* Functions */ JANET_API JanetFuncDef *janet_funcdef_alloc(void); JANET_API JanetFunction *janet_thunk(JanetFuncDef *def); JANET_API int janet_verify(JanetFuncDef *def); /* Pretty printing */ #define JANET_PRETTY_COLOR 1 #define JANET_PRETTY_ONELINE 2 #define JANET_PRETTY_NOTRUNC 4 JANET_API JanetBuffer *janet_pretty(JanetBuffer *buffer, int depth, int flags, Janet x); /* Misc */ #ifndef JANET_NO_PRF #define JANET_HASH_KEY_SIZE 16 JANET_API void janet_init_hash_key(uint8_t key[JANET_HASH_KEY_SIZE]); #endif JANET_API int janet_equals(Janet x, Janet y); JANET_API int32_t janet_hash(Janet x); JANET_API int janet_compare(Janet x, Janet y); JANET_API int janet_cstrcmp(JanetString str, const char *other); JANET_API Janet janet_in(Janet ds, Janet key); JANET_API Janet janet_get(Janet ds, Janet key); JANET_API Janet janet_next(Janet ds, Janet key); JANET_API Janet janet_getindex(Janet ds, int32_t index); JANET_API int32_t janet_length(Janet x); JANET_API Janet janet_lengthv(Janet x); JANET_API void janet_put(Janet ds, Janet key, Janet value); JANET_API void janet_putindex(Janet ds, int32_t index, Janet value); #define janet_flag_at(F, I) ((F) & ((1ULL) << (I))) JANET_API Janet janet_wrap_number_safe(double x); JANET_API int janet_keyeq(Janet x, const char *cstring); JANET_API int janet_streq(Janet x, const char *cstring); JANET_API int janet_symeq(Janet x, const char *cstring); /* VM functions */ JANET_API int janet_init(void); JANET_API void janet_deinit(void); JANET_API JanetSignal janet_continue(JanetFiber *fiber, Janet in, Janet *out); JANET_API JanetSignal janet_pcall(JanetFunction *fun, int32_t argn, const Janet *argv, Janet *out, JanetFiber **f); JANET_API JanetSignal janet_step(JanetFiber *fiber, Janet in, Janet *out); JANET_API Janet janet_call(JanetFunction *fun, int32_t argc, const Janet *argv); JANET_API Janet janet_mcall(const char *name, int32_t argc, Janet *argv); JANET_API void janet_stacktrace(JanetFiber *fiber, Janet err); /* Scratch Memory API */ typedef void (*JanetScratchFinalizer)(void *); JANET_API void *janet_smalloc(size_t size); JANET_API void *janet_srealloc(void *mem, size_t size); JANET_API void *janet_scalloc(size_t nmemb, size_t size); JANET_API void janet_sfinalizer(void *mem, JanetScratchFinalizer finalizer); JANET_API void janet_sfree(void *mem); /* C Library helpers */ typedef enum { JANET_BINDING_NONE, JANET_BINDING_DEF, JANET_BINDING_VAR, JANET_BINDING_MACRO } JanetBindingType; JANET_API void janet_def(JanetTable *env, const char *name, Janet val, const char *documentation); JANET_API void janet_var(JanetTable *env, const char *name, Janet val, const char *documentation); JANET_API void janet_cfuns(JanetTable *env, const char *regprefix, const JanetReg *cfuns); JANET_API JanetBindingType janet_resolve(JanetTable *env, JanetSymbol sym, Janet *out); JANET_API void janet_register(const char *name, JanetCFunction cfun); /* Get values from the core environment. */ JANET_API Janet janet_resolve_core(const char *name); /* New C API */ /* Allow setting entry name for static libraries */ #ifndef JANET_ENTRY_NAME #define JANET_MODULE_ENTRY \ JANET_API JanetBuildConfig _janet_mod_config(void) { \ return janet_config_current(); \ } \ JANET_API void _janet_init #else #define JANET_MODULE_ENTRY JANET_API void JANET_ENTRY_NAME #endif JANET_NO_RETURN JANET_API void janet_signalv(JanetSignal signal, Janet message); JANET_NO_RETURN JANET_API void janet_panicv(Janet message); JANET_NO_RETURN JANET_API void janet_panic(const char *message); JANET_NO_RETURN JANET_API void janet_panics(JanetString message); JANET_NO_RETURN JANET_API void janet_panicf(const char *format, ...); JANET_API void janet_dynprintf(const char *name, FILE *dflt_file, const char *format, ...); #define janet_printf(...) janet_dynprintf("out", stdout, __VA_ARGS__) #define janet_eprintf(...) janet_dynprintf("err", stderr, __VA_ARGS__) JANET_NO_RETURN JANET_API void janet_panic_type(Janet x, int32_t n, int expected); JANET_NO_RETURN JANET_API void janet_panic_abstract(Janet x, int32_t n, const JanetAbstractType *at); JANET_API void janet_arity(int32_t arity, int32_t min, int32_t max); JANET_API void janet_fixarity(int32_t arity, int32_t fix); JANET_API int janet_getmethod(JanetKeyword method, const JanetMethod *methods, Janet *out); JANET_API double janet_getnumber(const Janet *argv, int32_t n); JANET_API JanetArray *janet_getarray(const Janet *argv, int32_t n); JANET_API JanetTuple janet_gettuple(const Janet *argv, int32_t n); JANET_API JanetTable *janet_gettable(const Janet *argv, int32_t n); JANET_API JanetStruct janet_getstruct(const Janet *argv, int32_t n); JANET_API JanetString janet_getstring(const Janet *argv, int32_t n); JANET_API const char *janet_getcstring(const Janet *argv, int32_t n); JANET_API JanetSymbol janet_getsymbol(const Janet *argv, int32_t n); JANET_API JanetKeyword janet_getkeyword(const Janet *argv, int32_t n); JANET_API JanetBuffer *janet_getbuffer(const Janet *argv, int32_t n); JANET_API JanetFiber *janet_getfiber(const Janet *argv, int32_t n); JANET_API JanetFunction *janet_getfunction(const Janet *argv, int32_t n); JANET_API JanetCFunction janet_getcfunction(const Janet *argv, int32_t n); JANET_API int janet_getboolean(const Janet *argv, int32_t n); JANET_API void *janet_getpointer(const Janet *argv, int32_t n); JANET_API int32_t janet_getnat(const Janet *argv, int32_t n); JANET_API int32_t janet_getinteger(const Janet *argv, int32_t n); JANET_API int64_t janet_getinteger64(const Janet *argv, int32_t n); JANET_API size_t janet_getsize(const Janet *argv, int32_t n); JANET_API JanetView janet_getindexed(const Janet *argv, int32_t n); JANET_API JanetByteView janet_getbytes(const Janet *argv, int32_t n); JANET_API JanetDictView janet_getdictionary(const Janet *argv, int32_t n); JANET_API void *janet_getabstract(const Janet *argv, int32_t n, const JanetAbstractType *at); JANET_API JanetRange janet_getslice(int32_t argc, const Janet *argv); JANET_API int32_t janet_gethalfrange(const Janet *argv, int32_t n, int32_t length, const char *which); JANET_API int32_t janet_getargindex(const Janet *argv, int32_t n, int32_t length, const char *which); JANET_API uint64_t janet_getflags(const Janet *argv, int32_t n, const char *flags); /* Optionals */ JANET_API double janet_optnumber(const Janet *argv, int32_t argc, int32_t n, double dflt); JANET_API JanetTuple janet_opttuple(const Janet *argv, int32_t argc, int32_t n, JanetTuple dflt); JANET_API JanetStruct janet_optstruct(const Janet *argv, int32_t argc, int32_t n, JanetStruct dflt); JANET_API JanetString janet_optstring(const Janet *argv, int32_t argc, int32_t n, JanetString dflt); JANET_API const char *janet_optcstring(const Janet *argv, int32_t argc, int32_t n, const char *dflt); JANET_API JanetSymbol janet_optsymbol(const Janet *argv, int32_t argc, int32_t n, JanetString dflt); JANET_API JanetKeyword janet_optkeyword(const Janet *argv, int32_t argc, int32_t n, JanetString dflt); JANET_API JanetFiber *janet_optfiber(const Janet *argv, int32_t argc, int32_t n, JanetFiber *dflt); JANET_API JanetFunction *janet_optfunction(const Janet *argv, int32_t argc, int32_t n, JanetFunction *dflt); JANET_API JanetCFunction janet_optcfunction(const Janet *argv, int32_t argc, int32_t n, JanetCFunction dflt); JANET_API int janet_optboolean(const Janet *argv, int32_t argc, int32_t n, int dflt); JANET_API void *janet_optpointer(const Janet *argv, int32_t argc, int32_t n, void *dflt); JANET_API int32_t janet_optnat(const Janet *argv, int32_t argc, int32_t n, int32_t dflt); JANET_API int32_t janet_optinteger(const Janet *argv, int32_t argc, int32_t n, int32_t dflt); JANET_API int64_t janet_optinteger64(const Janet *argv, int32_t argc, int32_t n, int64_t dflt); JANET_API size_t janet_optsize(const Janet *argv, int32_t argc, int32_t n, size_t dflt); JANET_API JanetAbstract janet_optabstract(const Janet *argv, int32_t argc, int32_t n, const JanetAbstractType *at, JanetAbstract dflt); /* Mutable optional types specify a size default, and construct a new value if none is provided */ JANET_API JanetBuffer *janet_optbuffer(const Janet *argv, int32_t argc, int32_t n, int32_t dflt_len); JANET_API JanetTable *janet_opttable(const Janet *argv, int32_t argc, int32_t n, int32_t dflt_len); JANET_API JanetArray *janet_optarray(const Janet *argv, int32_t argc, int32_t n, int32_t dflt_len); JANET_API Janet janet_dyn(const char *name); JANET_API void janet_setdyn(const char *name, Janet value); extern JANET_API const JanetAbstractType janet_file_type; #define JANET_FILE_WRITE 1 #define JANET_FILE_READ 2 #define JANET_FILE_APPEND 4 #define JANET_FILE_UPDATE 8 #define JANET_FILE_NOT_CLOSEABLE 16 #define JANET_FILE_CLOSED 32 #define JANET_FILE_BINARY 64 #define JANET_FILE_SERIALIZABLE 128 #define JANET_FILE_PIPED 256 JANET_API Janet janet_makefile(FILE *f, int flags); JANET_API FILE *janet_getfile(const Janet *argv, int32_t n, int *flags); JANET_API FILE *janet_dynfile(const char *name, FILE *def); JANET_API JanetAbstract janet_checkfile(Janet j); JANET_API FILE *janet_unwrapfile(Janet j, int *flags); /* Marshal API */ JANET_API void janet_marshal_size(JanetMarshalContext *ctx, size_t value); JANET_API void janet_marshal_int(JanetMarshalContext *ctx, int32_t value); JANET_API void janet_marshal_int64(JanetMarshalContext *ctx, int64_t value); JANET_API void janet_marshal_byte(JanetMarshalContext *ctx, uint8_t value); JANET_API void janet_marshal_bytes(JanetMarshalContext *ctx, const uint8_t *bytes, size_t len); JANET_API void janet_marshal_janet(JanetMarshalContext *ctx, Janet x); JANET_API void janet_marshal_abstract(JanetMarshalContext *ctx, JanetAbstract abstract); JANET_API void janet_unmarshal_ensure(JanetMarshalContext *ctx, size_t size); JANET_API size_t janet_unmarshal_size(JanetMarshalContext *ctx); JANET_API int32_t janet_unmarshal_int(JanetMarshalContext *ctx); JANET_API int64_t janet_unmarshal_int64(JanetMarshalContext *ctx); JANET_API uint8_t janet_unmarshal_byte(JanetMarshalContext *ctx); JANET_API void janet_unmarshal_bytes(JanetMarshalContext *ctx, uint8_t *dest, size_t len); JANET_API Janet janet_unmarshal_janet(JanetMarshalContext *ctx); JANET_API JanetAbstract janet_unmarshal_abstract(JanetMarshalContext *ctx, size_t size); JANET_API void janet_register_abstract_type(const JanetAbstractType *at); JANET_API const JanetAbstractType *janet_get_abstract_type(Janet key); #ifdef JANET_PEG extern JANET_API const JanetAbstractType janet_peg_type; /* opcodes for peg vm */ typedef enum { RULE_LITERAL, /* [len, bytes...] */ RULE_NCHAR, /* [n] */ RULE_NOTNCHAR, /* [n] */ RULE_RANGE, /* [lo | hi << 16 (1 word)] */ RULE_SET, /* [bitmap (8 words)] */ RULE_LOOK, /* [offset, rule] */ RULE_CHOICE, /* [len, rules...] */ RULE_SEQUENCE, /* [len, rules...] */ RULE_IF, /* [rule_a, rule_b (b if a)] */ RULE_IFNOT, /* [rule_a, rule_b (b if not a)] */ RULE_NOT, /* [rule] */ RULE_BETWEEN, /* [lo, hi, rule] */ RULE_GETTAG, /* [searchtag, tag] */ RULE_CAPTURE, /* [rule, tag] */ RULE_POSITION, /* [tag] */ RULE_ARGUMENT, /* [argument-index, tag] */ RULE_CONSTANT, /* [constant, tag] */ RULE_ACCUMULATE, /* [rule, tag] */ RULE_GROUP, /* [rule, tag] */ RULE_REPLACE, /* [rule, constant, tag] */ RULE_MATCHTIME, /* [rule, constant, tag] */ RULE_ERROR, /* [rule] */ RULE_DROP, /* [rule] */ RULE_BACKMATCH, /* [tag] */ RULE_LENPREFIX, /* [rule_a, rule_b (repeat rule_b rule_a times)] */ } JanetPegOpcode; typedef struct { uint32_t *bytecode; Janet *constants; size_t bytecode_len; uint32_t num_constants; } JanetPeg; #endif #ifdef JANET_TYPED_ARRAY extern JANET_API const JanetAbstractType janet_ta_view_type; extern JANET_API const JanetAbstractType janet_ta_buffer_type; typedef enum { JANET_TARRAY_TYPE_U8, JANET_TARRAY_TYPE_S8, JANET_TARRAY_TYPE_U16, JANET_TARRAY_TYPE_S16, JANET_TARRAY_TYPE_U32, JANET_TARRAY_TYPE_S32, JANET_TARRAY_TYPE_U64, JANET_TARRAY_TYPE_S64, JANET_TARRAY_TYPE_F32, JANET_TARRAY_TYPE_F64 } JanetTArrayType; typedef struct { uint8_t *data; size_t size; int32_t flags; } JanetTArrayBuffer; typedef struct { union { void *pointer; uint8_t *u8; int8_t *s8; uint16_t *u16; int16_t *s16; uint32_t *u32; int32_t *s32; uint64_t *u64; int64_t *s64; float *f32; double *f64; } as; JanetTArrayBuffer *buffer; size_t size; size_t stride; JanetTArrayType type; } JanetTArrayView; JANET_API JanetTArrayBuffer *janet_tarray_buffer(size_t size); JANET_API JanetTArrayView *janet_tarray_view(JanetTArrayType type, size_t size, size_t stride, size_t offset, JanetTArrayBuffer *buffer); JANET_API int janet_is_tarray_view(Janet x, JanetTArrayType type); JANET_API JanetTArrayBuffer *janet_gettarray_buffer(const Janet *argv, int32_t n); JANET_API JanetTArrayView *janet_gettarray_view(const Janet *argv, int32_t n, JanetTArrayType type); JanetTArrayView *janet_gettarray_any(const Janet *argv, int32_t n); #endif #ifdef JANET_INT_TYPES extern JANET_API const JanetAbstractType janet_s64_type; extern JANET_API const JanetAbstractType janet_u64_type; typedef enum { JANET_INT_NONE, JANET_INT_S64, JANET_INT_U64 } JanetIntType; JANET_API JanetIntType janet_is_int(Janet x); JANET_API Janet janet_wrap_s64(int64_t x); JANET_API Janet janet_wrap_u64(uint64_t x); JANET_API int64_t janet_unwrap_s64(Janet x); JANET_API uint64_t janet_unwrap_u64(Janet x); JANET_API int janet_scan_int64(const uint8_t *str, int32_t len, int64_t *out); JANET_API int janet_scan_uint64(const uint8_t *str, int32_t len, uint64_t *out); #endif #ifdef JANET_THREADS extern JANET_API const JanetAbstractType janet_thread_type; JANET_API int janet_thread_receive(Janet *msg_out, double timeout); JANET_API int janet_thread_send(JanetThread *thread, Janet msg, double timeout); #endif /***** END SECTION MAIN *****/ /* Re-enable popped variable length array warnings */ #ifdef _MSC_VER #pragma warning( pop ) #endif #ifdef __cplusplus } #endif #endif /* JANET_H_defined */