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my_basic.c
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/*
** This source file is part of MY-BASIC
**
** For the latest info, see https://github.com/paladin-t/my_basic/
**
** Copyright (C) 2011 - 2018 Wang Renxin
**
** 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.
*/
#ifdef _MSC_VER
# ifndef _CRT_SECURE_NO_WARNINGS
# define _CRT_SECURE_NO_WARNINGS
# endif /* _CRT_SECURE_NO_WARNINGS */
#endif /* _MSC_VER */
#include "my_basic.h"
#if defined ARDUINO && !defined MB_CP_ARDUINO
# define MB_CP_ARDUINO
#endif /* ARDUINO && !MB_CP_ARDUINO */
#ifdef MB_CP_ARDUINO
# ifndef MB_DISABLE_LOAD_FILE
# define MB_DISABLE_LOAD_FILE
# endif /* MB_DISABLE_LOAD_FILE */
# ifndef MB_MANUAL_REAL_FORMATTING
# define MB_MANUAL_REAL_FORMATTING
# endif /* MB_MANUAL_REAL_FORMATTING */
#endif /* MB_CP_ARDUINO */
#ifdef MB_CP_VC
# include <conio.h>
# include <locale.h>
# include <malloc.h>
# include <Windows.h>
#else /* MB_CP_VC */
# include <stdint.h>
#endif /* MB_CP_VC */
#ifndef MB_CP_ARDUINO
# include <memory.h>
#endif /* MB_CP_ARDUINO */
#include <assert.h>
#include <ctype.h>
#include <float.h>
#include <limits.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#ifdef MB_CP_VC
# pragma warning(push)
# pragma warning(disable : 4127)
# pragma warning(disable : 4305)
# pragma warning(disable : 4309)
# pragma warning(disable : 4805)
# pragma warning(disable : 4996)
#endif /* MB_CP_VC */
#ifdef MB_CP_CLANG
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wunused-function"
# pragma clang diagnostic ignored "-Wunused-variable"
#endif /* MB_CP_CLANG */
#ifdef MB_CP_BORLANDC
# pragma warn -8004
# pragma warn -8008
# pragma warn -8012
#endif /* MB_CP_BORLANDC */
#ifdef MB_COMPACT_MODE
# pragma pack(1)
#endif /* MB_COMPACT_MODE */
/*
** {========================================================
** Data type declarations
*/
/** Macros */
/* Version information */
#define MB_VER_MAJOR 1
#define MB_VER_MINOR 2
#define MB_VER_REVISION 0
#define MB_VER_SUFFIX
#define MB_VERSION ((MB_VER_MAJOR * 0x01000000) + (MB_VER_MINOR * 0x00010000) + (MB_VER_REVISION))
#define MB_MAKE_STRINGIZE(A) #A
#define MB_STRINGIZE(A) MB_MAKE_STRINGIZE(A)
#if MB_VER_REVISION == 0
# define MB_VERSION_STRING MB_STRINGIZE(MB_VER_MAJOR.MB_VER_MINOR MB_VER_SUFFIX)
#else /* MB_VER_REVISION == 0 */
# define MB_VERSION_STRING MB_STRINGIZE(MB_VER_MAJOR.MB_VER_MINOR.MB_VER_REVISION MB_VER_SUFFIX)
#endif /* MB_VER_REVISION == 0 */
/* Define as 1 to create hash table nodes lazily, 0 obligingly */
#ifndef _LAZY_HASH_TABLE
# define _LAZY_HASH_TABLE 1
#endif /* _LAZY_HASH_TABLE */
/* Define as 1 to treat warning as error, 0 just leave it */
#ifndef _WARNING_AS_ERROR
# define _WARNING_AS_ERROR 0
#endif /* _WARNING_AS_ERROR */
/* Define as 1 to automatically raise error during popping argument, 0 just return an error result */
#ifndef _SIMPLE_ARG_ERROR
# define _SIMPLE_ARG_ERROR 0
#endif /* _SIMPLE_ARG_ERROR */
/* Define as 1 to use a comma to PRINT a new line, 0 to use a semicolon */
#ifndef _COMMA_AS_NEWLINE
# define _COMMA_AS_NEWLINE 0
#endif /* _COMMA_AS_NEWLINE */
/* Define as 1 to enable multiline statement */
#ifndef _MULTILINE_STATEMENT
# define _MULTILINE_STATEMENT 1
#endif /* _MULTILINE_STATEMENT */
/* Hash table size */
#ifndef _HT_ARRAY_SIZE_DEFAULT
# define _HT_ARRAY_SIZE_TINY 1
# define _HT_ARRAY_SIZE_XSMALL 31
# define _HT_ARRAY_SIZE_SMALL 193
# define _HT_ARRAY_SIZE_MID 1543
# define _HT_ARRAY_SIZE_BIG 12289
# define _HT_ARRAY_SIZE_DEFAULT _HT_ARRAY_SIZE_XSMALL
# define _HT_ARRAY_SIZE_GC _HT_ARRAY_SIZE_SMALL
# define _HT_ARRAY_SIZE_GLOBALSCOPES _HT_ARRAY_SIZE_SMALL
#endif /* _HT_ARRAY_SIZE_DEFAULT */
/* Max length of a single symbol */
#ifndef _SINGLE_SYMBOL_MAX_LENGTH
# define _SINGLE_SYMBOL_MAX_LENGTH 128
#endif /* _SINGLE_SYMBOL_MAX_LENGTH */
/* Buffer length of some string operations */
#ifndef _INPUT_MAX_LENGTH
# define _INPUT_MAX_LENGTH 256
#endif /* _INPUT_MAX_LENGTH */
#ifndef _TEMP_FORMAT_MAX_LENGTH
# define _TEMP_FORMAT_MAX_LENGTH 32
#endif /* _TEMP_FORMAT_MAX_LENGTH */
#ifndef _LAMBDA_NAME_MAX_LENGTH
# define _LAMBDA_NAME_MAX_LENGTH 32
#endif /* _LAMBDA_NAME_MAX_LENGTH */
/* Localization specifier */
#ifndef _LOCALIZATION_USEING
# define _LOCALIZATION_USEING 1
#endif /* _LOCALIZATION_USEING */
#ifndef _LOCALIZATION_STR
# define _LOCALIZATION_STR ""
#endif /* _LOCALIZATION_STR */
/* Helper */
#ifdef MB_COMPACT_MODE
# define _PACK1 : 1
# define _PACK2 : 2
# define _PACK8 : 8
#else /* MB_COMPACT_MODE */
# define _PACK1
# define _PACK2
# define _PACK8
#endif /* MB_COMPACT_MODE */
#ifndef _UNALIGNED_ARG
# if defined MB_CP_VC && defined MB_OS_WIN64
# ifdef MB_COMPACT_MODE
# define _UNALIGNED_ARG __unaligned
# else /* MB_COMPACT_MODE */
# define _UNALIGNED_ARG
# endif /* MB_COMPACT_MODE */
# else
# define _UNALIGNED_ARG
# endif
#endif /* _UNALIGNED_ARG */
#ifndef sgn
# define sgn(__v) ((__v) ? ((__v) > 0 ? 1 : -1) : 0)
#endif /* sgn */
#ifndef islower
# define islower(__c) ((__c) >= 'a' && (__c) <= 'z')
#endif /* islower */
#ifndef toupper
# define toupper(__c) (islower(__c) ? ((__c) - 'a' + 'A') : (__c))
#endif /* toupper */
#ifndef countof
# define countof(__a) (sizeof(__a) / sizeof(*(__a)))
#endif /* countof */
#ifndef _mb_check_exit
# define _mb_check_exit(__expr, __exit) do { if((__expr) != MB_FUNC_OK) goto __exit; } while(0)
#endif /* _mb_check_exit */
#ifndef _mb_check_mark_exit
# define _mb_check_mark_exit(__expr, __result, __exit) do { __result = (__expr); if(__result != MB_FUNC_OK) goto __exit; } while(0)
#endif /* _mb_check_mark_exit */
/** Collections */
/* Collection functors */
#define _OP_RESULT_NORMAL 0
#define _OP_RESULT_DEL_NODE -1
typedef int (* _common_compare_t)(void*, void*);
typedef int (* _common_operation_t)(void*, void*);
/* List */
typedef _common_compare_t _ls_compare_t;
typedef _common_operation_t _ls_operation_t;
typedef struct _ls_node_t {
void* data;
struct _ls_node_t* prev;
struct _ls_node_t* next;
void* extra;
} _ls_node_t;
/* Dictionary */
typedef unsigned (* _ht_hash_t)(void*, void*);
typedef _common_compare_t _ht_compare_t;
typedef _common_operation_t _ht_operation_t;
typedef struct _ht_node_t {
_ls_operation_t free_extra;
_ht_compare_t compare;
_ht_hash_t hash;
unsigned array_size;
unsigned count;
_ls_node_t** array;
} _ht_node_t;
/** Normal enum/struct/union/const, etc. */
#ifdef MB_ENABLE_FULL_ERROR
/* Error description text */
MBCONST static const char* const _ERR_DESC[] = {
"No error",
/** Common */
"Function already exists",
"Function not exists",
"Not supported",
/** Parsing */
"Open file failed",
"Symbol too long",
"Invalid character",
"Invalid module",
/** Running */
"Empty program",
"Program too long",
"Syntax error",
"Out of memory",
"Overflow",
"Unexpected type",
"Invalid string",
"Integer expected",
"Number expected",
"String expected",
"Variable expected",
"Index out of bound",
"Cannot find with given index",
"Too many dimensions",
"Rank out of bound",
"Invalid identifier usage",
"Duplicate identifier",
"Incomplete structure",
"Label not exists",
"No return point",
"Colon expected",
"Comma expected",
"Comma or semicolon expected",
"Open bracket expected",
"Close bracket expected",
"Nested too much",
"Operation failed",
"Operator expected",
"Assign operator expected",
"THEN statement expected",
"ELSE statement expected",
"ENDIF statement expected",
"TO statement expected",
"NEXT statement expected",
"UNTIL statement expected",
"Loop variable expected",
"Jump label expected",
"Calculation error",
"Invalid expression",
"Divide by zero",
"Wrong function reached",
"Cannot suspend in a routine",
"Cannot mix instructional and structured sub routines",
"Invalid routine",
"Routine expected",
"Duplicate routine",
"Invalid class",
"Class expected",
"Duplicate class",
"HASH and COMPARE must be provided together",
"Invalid lambda",
"Empty collection",
"List expected",
"Invalid iterator",
"Iterable expected",
"Collection expected",
"Collection or iterator expected",
"Referenced type expected",
/** Extended abort */
"Extended abort"
};
mb_static_assert(countof(_ERR_DESC) == SE_COUNT);
#endif /* MB_ENABLE_FULL_ERROR */
/* Data type */
typedef enum _data_e {
_DT_INVALID = -1,
_DT_NIL = 0,
_DT_UNKNOWN,
_DT_INT,
_DT_REAL,
_DT_STRING,
_DT_TYPE,
_DT_USERTYPE,
#ifdef MB_ENABLE_USERTYPE_REF
_DT_USERTYPE_REF,
#endif /* MB_ENABLE_USERTYPE_REF */
_DT_FUNC,
_DT_VAR,
_DT_ARRAY,
#ifdef MB_ENABLE_COLLECTION_LIB
_DT_LIST,
_DT_LIST_IT,
_DT_DICT,
_DT_DICT_IT,
#endif /* MB_ENABLE_COLLECTION_LIB */
_DT_LABEL, /* Label type, used for GOTO, GOSUB statement */
#ifdef MB_ENABLE_CLASS
_DT_CLASS, /* Object instance */
#endif /* MB_ENABLE_CLASS */
_DT_ROUTINE, /* User defined sub routine in script */
#ifdef MB_ENABLE_LAMBDA
_DT_OUTER_SCOPE,
#endif /* MB_ENABLE_LAMBDA */
_DT_SEP, /* Separator */
#ifdef MB_ENABLE_SOURCE_TRACE
_DT_PREV_IMPORT,
_DT_POST_IMPORT,
#endif /* MB_ENABLE_SOURCE_TRACE */
_DT_EOS /* End of statement */
} _data_e;
#ifdef MB_ENABLE_COLLECTION_LIB
# define _HAS_REF_OBJ_LOCK
#endif /* MB_ENABLE_COLLECTION_LIB */
#ifdef _HAS_REF_OBJ_LOCK
typedef short mb_lock_t;
#endif /* _HAS_REF_OBJ_LOCK */
struct _ref_t;
typedef void (* _unref_func_t)(struct _ref_t*, void*);
#define _NONE_REF 1
#ifndef _ref_count_t
typedef unsigned _ref_count_t;
#endif /* _ref_count_t */
/* The reference structure should be always at the head of an object */
typedef struct _ref_t {
_ref_count_t* count;
_ref_count_t* weak_count;
_unref_func_t on_unref;
_data_e type _PACK8;
struct mb_interpreter_t* s;
} _ref_t;
typedef struct _gc_t {
_ht_node_t* table;
_ht_node_t* recursive_table;
_ht_node_t* collected_table;
_ht_node_t* valid_table;
unsigned char collecting;
bool_t disabled _PACK1;
} _gc_t;
#ifdef MB_ENABLE_USERTYPE_REF
typedef struct _calculation_operator_info_t {
mb_meta_operator_t is;
mb_meta_operator_t add;
mb_meta_operator_t sub;
mb_meta_operator_t mul;
mb_meta_operator_t div;
mb_meta_operator_t neg;
} _calculation_operator_info_t;
typedef struct _usertype_ref_t {
_ref_t ref;
void* usertype;
mb_dtor_func_t dtor;
mb_clone_func_t clone;
mb_hash_func_t hash;
mb_cmp_func_t cmp;
mb_fmt_func_t fmt;
#ifdef MB_ENABLE_ALIVE_CHECKING_ON_USERTYPE_REF
mb_alive_value_checker_t alive_checker;
#endif /* MB_ENABLE_ALIVE_CHECKING_ON_USERTYPE_REF */
_calculation_operator_info_t* calc_operators;
mb_meta_func_t coll_func;
mb_meta_func_t generic_func;
} _usertype_ref_t;
#endif /* MB_ENABLE_USERTYPE_REF */
typedef struct _func_t {
char* name;
mb_func_t pointer;
} _func_t;
#define _PATHING_NONE 0
#define _PATHING_NORMAL 1
#define _PATHING_UNKNOWN_FOR_NOT_FOUND 2
#define _PATHING_UPVALUE 3
#define _PN(__b) ((!!(__b)) ? (_PATHING_NORMAL) : (_PATHING_NONE))
#define _PU(__b) ((!!(__b)) ? (_PATHING_UNKNOWN_FOR_NOT_FOUND) : (_PATHING_NONE))
typedef struct _var_t {
char* name;
struct _object_t* data;
#ifdef MB_ENABLE_CLASS
unsigned char pathing _PACK2;
bool_t is_me _PACK1;
#endif /* MB_ENABLE_CLASS */
} _var_t;
typedef struct _array_t {
#ifdef MB_ENABLE_ARRAY_REF
_ref_t ref;
#endif /* MB_ENABLE_ARRAY_REF */
char* name;
_data_e type;
#ifndef MB_SIMPLE_ARRAY
_data_e* types;
#endif /* MB_SIMPLE_ARRAY */
void* raw;
unsigned count;
unsigned char dimension_count;
unsigned dimensions[MB_MAX_DIMENSION_COUNT];
} _array_t;
#ifdef MB_ENABLE_COLLECTION_LIB
typedef struct _array_helper_t {
struct mb_interpreter_t* s;
_array_t* array;
int index;
} _array_helper_t;
#endif /* MB_ENABLE_COLLECTION_LIB */
#ifdef MB_ENABLE_COLLECTION_LIB
typedef struct _list_t {
_ref_t ref;
mb_lock_t lock;
_ls_node_t* list;
_ls_node_t* cached_node;
int cached_index;
int_t count;
int_t* range_begin;
} _list_t;
typedef struct _list_it_t {
_ref_t weak_ref;
_list_t* list;
bool_t locking _PACK1;
union {
_ls_node_t* node;
int_t ranging;
} curr;
} _list_it_t;
typedef struct _dict_t {
_ref_t ref;
mb_lock_t lock;
_ht_node_t* dict;
} _dict_t;
#define _INVALID_DICT_IT ((_ls_node_t*)(intptr_t)~0)
typedef struct _dict_it_t {
_ref_t weak_ref;
_dict_t* dict;
bool_t locking _PACK1;
unsigned curr_bucket;
_ls_node_t* curr_node;
} _dict_it_t;
typedef struct _keys_helper_t {
mb_value_t* keys;
int size;
int index;
} _keys_helper_t;
#endif /* MB_ENABLE_COLLECTION_LIB */
typedef struct _label_t {
char* name;
_ls_node_t* node;
} _label_t;
#ifdef MB_ENABLE_CLASS
#define _META_LIST_MAX_DEPTH UINT_MAX
#define _CLASS_ME "ME"
#define _CLASS_HASH_FUNC "HASH"
#define _CLASS_COMPARE_FUNC "COMPARE"
#define _CLASS_TO_STRING_FUNC "TO_STRING"
#define _CLASS_OVERRIDE_FMT "_%s"
typedef struct _class_t {
_ref_t ref;
char* name;
struct _class_t* created_from;
_ls_node_t* meta_list;
struct _running_context_t* scope;
struct _routine_t* hash;
struct _routine_t* compare;
void* userdata;
} _class_t;
#endif /* MB_ENABLE_CLASS */
#ifdef MB_ENABLE_LAMBDA
typedef struct _running_context_ref_t {
_ref_t ref;
struct _running_context_ref_t* prev;
struct _running_context_t* scope;
} _running_context_ref_t;
typedef struct _upvalue_scope_tuple_t {
struct mb_interpreter_t* s;
#ifdef MB_ENABLE_CLASS
_class_t* instance;
#endif /* MB_ENABLE_CLASS */
struct _running_context_t* scope;
_running_context_ref_t* outer_scope;
struct _lambda_t* lambda;
_ht_node_t* filled;
} _upvalue_scope_tuple_t;
typedef struct _lambda_t {
_ref_t ref;
struct _running_context_t* scope;
_ls_node_t* parameters;
_running_context_ref_t* outer_scope;
struct _running_context_t* overlapped;
_ht_node_t* upvalues;
_ls_node_t* entry;
_ls_node_t* end;
} _lambda_t;
#endif /* MB_ENABLE_LAMBDA */
typedef struct _routine_t {
union {
struct {
struct _running_context_t* scope;
_ls_node_t* parameters;
_ls_node_t* entry;
} basic;
#ifdef MB_ENABLE_LAMBDA
_lambda_t lambda;
#endif /* MB_ENABLE_LAMBDA */
struct {
mb_routine_func_t entry;
} native;
} func;
char* name;
#ifdef MB_ENABLE_SOURCE_TRACE
char* source_file;
#endif /* MB_ENABLE_SOURCE_TRACE */
#ifdef MB_ENABLE_CLASS
_class_t* instance;
#endif /* MB_ENABLE_CLASS */
bool_t is_cloned _PACK1;
mb_routine_type_e type;
} _routine_t;
#ifdef MB_ENABLE_SOURCE_TRACE
typedef struct _import_info_t {
char* source_file;
} _import_info_t;
#endif /* MB_ENABLE_SOURCE_TRACE */
typedef union _raw_u { mb_data_e e; char c; int_t i; real_t r; void* p; mb_val_bytes_t b; } _raw_u;
typedef unsigned char _raw_t[sizeof(_raw_u)];
typedef struct _object_t {
_data_e type;
union {
int_t integer;
real_t float_point;
char* string;
mb_data_e type;
void* usertype;
#ifdef MB_ENABLE_USERTYPE_REF
_usertype_ref_t* usertype_ref;
#endif /* MB_ENABLE_USERTYPE_REF */
_func_t* func;
_var_t* variable;
_array_t* array;
#ifdef MB_ENABLE_COLLECTION_LIB
_list_t* list;
_list_it_t* list_it;
_dict_t* dict;
_dict_it_t* dict_it;
#endif /* MB_ENABLE_COLLECTION_LIB */
_label_t* label;
#ifdef MB_ENABLE_CLASS
_class_t* instance;
#endif /* MB_ENABLE_CLASS */
_routine_t* routine;
char separator;
#ifdef MB_ENABLE_SOURCE_TRACE
_import_info_t* import_info;
#endif /* MB_ENABLE_SOURCE_TRACE */
mb_val_bytes_t bytes;
void* pointer;
_raw_t raw;
} data;
bool_t is_ref _PACK1;
#ifdef MB_PREFER_SPEED
bool_t is_const _PACK1;
#endif /* MB_PREFER_SPEED */
#ifdef MB_ENABLE_SOURCE_TRACE
int source_pos;
unsigned short source_row;
unsigned short source_col;
#else /* MB_ENABLE_SOURCE_TRACE */
char source_pos _PACK1;
#endif /* MB_ENABLE_SOURCE_TRACE */
} _object_t;
#ifdef MB_ENABLE_MODULE
typedef struct _module_func_t {
char* module;
mb_func_t func;
} _module_func_t;
#endif /* MB_ENABLE_MODULE */
typedef struct _dynamic_buffer_t {
char bytes[_TEMP_FORMAT_MAX_LENGTH];
union {
char* charp;
#if defined MB_CP_VC && defined MB_ENABLE_UNICODE
wchar_t* wcharp;
#endif /* MB_CP_VC && MB_ENABLE_UNICODE */
} pointer;
size_t size;
} _dynamic_buffer_t;
#define _MB_MEM_TAG_SIZE (sizeof(mb_mem_tag_t))
MBAPI size_t MB_SIZEOF_4BYTES = 4;
MBAPI size_t MB_SIZEOF_8BYTES = 8;
MBAPI size_t MB_SIZEOF_32BYTES = 32;
MBAPI size_t MB_SIZEOF_64BYTES = 64;
MBAPI size_t MB_SIZEOF_128BYTES = 128;
MBAPI size_t MB_SIZEOF_256BYTES = 256;
MBAPI size_t MB_SIZEOF_512BYTES = 512;
#ifdef MB_ENABLE_ALLOC_STAT
MBAPI size_t MB_SIZEOF_INT = _MB_MEM_TAG_SIZE + sizeof(int);
MBAPI size_t MB_SIZEOF_PTR = _MB_MEM_TAG_SIZE + sizeof(intptr_t);
MBAPI size_t MB_SIZEOF_LSN = _MB_MEM_TAG_SIZE + sizeof(_ls_node_t);
MBAPI size_t MB_SIZEOF_HTN = _MB_MEM_TAG_SIZE + sizeof(_ht_node_t);
MBAPI size_t MB_SIZEOF_HTA = _MB_MEM_TAG_SIZE + sizeof(_ht_node_t*) * _HT_ARRAY_SIZE_DEFAULT;
MBAPI size_t MB_SIZEOF_OBJ = _MB_MEM_TAG_SIZE + sizeof(_object_t);
#ifdef MB_ENABLE_USERTYPE_REF
MBAPI size_t MB_SIZEOF_UTR = _MB_MEM_TAG_SIZE + sizeof(_usertype_ref_t);
#endif /* MB_ENABLE_USERTYPE_REF */
MBAPI size_t MB_SIZEOF_FUN = _MB_MEM_TAG_SIZE + sizeof(_func_t);
MBAPI size_t MB_SIZEOF_VAR = _MB_MEM_TAG_SIZE + sizeof(_var_t);
MBAPI size_t MB_SIZEOF_ARR = _MB_MEM_TAG_SIZE + sizeof(_array_t);
#ifdef MB_ENABLE_COLLECTION_LIB
MBAPI size_t MB_SIZEOF_LST = _MB_MEM_TAG_SIZE + sizeof(_list_t);
MBAPI size_t MB_SIZEOF_DCT = _MB_MEM_TAG_SIZE + sizeof(_dict_t);
#endif /* MB_ENABLE_COLLECTION_LIB */
MBAPI size_t MB_SIZEOF_LBL = _MB_MEM_TAG_SIZE + sizeof(_label_t);
#ifdef MB_ENABLE_CLASS
MBAPI size_t MB_SIZEOF_CLS = _MB_MEM_TAG_SIZE + sizeof(_class_t);
#endif /* MB_ENABLE_CLASS */
MBAPI size_t MB_SIZEOF_RTN = _MB_MEM_TAG_SIZE + sizeof(_routine_t);
#else /* MB_ENABLE_ALLOC_STAT */
MBAPI size_t MB_SIZEOF_INT = sizeof(int);
MBAPI size_t MB_SIZEOF_PTR = sizeof(intptr_t);
MBAPI size_t MB_SIZEOF_LSN = sizeof(_ls_node_t);
MBAPI size_t MB_SIZEOF_HTN = sizeof(_ht_node_t);
MBAPI size_t MB_SIZEOF_HTA = sizeof(_ht_node_t*) * _HT_ARRAY_SIZE_DEFAULT;
MBAPI size_t MB_SIZEOF_OBJ = sizeof(_object_t);
#ifdef MB_ENABLE_USERTYPE_REF
MBAPI size_t MB_SIZEOF_UTR = sizeof(_usertype_ref_t);
#endif /* MB_ENABLE_USERTYPE_REF */
MBAPI size_t MB_SIZEOF_FUN = sizeof(_func_t);
MBAPI size_t MB_SIZEOF_VAR = sizeof(_var_t);
MBAPI size_t MB_SIZEOF_ARR = sizeof(_array_t);
#ifdef MB_ENABLE_COLLECTION_LIB
MBAPI size_t MB_SIZEOF_LST = sizeof(_list_t);
MBAPI size_t MB_SIZEOF_DCT = sizeof(_dict_t);
#endif /* MB_ENABLE_COLLECTION_LIB */
MBAPI size_t MB_SIZEOF_LBL = sizeof(_label_t);
#ifdef MB_ENABLE_CLASS
MBAPI size_t MB_SIZEOF_CLS = sizeof(_class_t);
#endif /* MB_ENABLE_CLASS */
MBAPI size_t MB_SIZEOF_RTN = sizeof(_routine_t);
#endif /* MB_ENABLE_ALLOC_STAT */
#ifndef _CONST_PART1
# ifdef MB_PREFER_SPEED
# define _CONST_PART1 false, false,
# else /* MB_PREFER_SPEED */
# define _CONST_PART1 false,
# endif /* MB_PREFER_SPEED */
#endif /* _CONST_PART1 */
#ifndef _CONST_PART2
# ifdef MB_ENABLE_SOURCE_TRACE
# define _CONST_PART2 0, 0, 0
# else /* MB_ENABLE_SOURCE_TRACE */
# define _CONST_PART2 0
# endif /* MB_ENABLE_SOURCE_TRACE */
#endif /* _CONST_PART2 */
#ifndef _CONST_TAIL
# define _CONST_TAIL _CONST_PART1 _CONST_PART2
#endif /* _CONST_TAIL */
MBCONST static const _object_t _OBJ_INT_UNIT = { _DT_INT, (int_t)1, _CONST_TAIL };
MBCONST static const _object_t _OBJ_INT_ZERO = { _DT_INT, (int_t)0, _CONST_TAIL };
#define _MAKE_NIL(__o) do { memset((__o), 0, sizeof(_object_t)); (__o)->type = _DT_NIL; } while(0)
static _object_t* _OBJ_BOOL_TRUE = 0;
static _object_t* _OBJ_BOOL_FALSE = 0;
#ifdef MB_ENABLE_CLASS
MBCONST static const _object_t _OBJ_UNKNOWN = { _DT_UNKNOWN, (int_t)0, _CONST_TAIL };
MBCONST static const _ls_node_t _LS_NODE_UNKNOWN = { (void*)&_OBJ_UNKNOWN, 0, 0, 0 };
#endif /* MB_ENABLE_CLASS */
#define _VAR_ARGS_STR "..."
#define _IS_VAR_ARGS(__v) ((__v) == &_VAR_ARGS)
#ifdef MB_ENABLE_CLASS
MBCONST static const _var_t _VAR_ARGS = { _VAR_ARGS_STR, 0, 0, 0 };
#else /* MB_ENABLE_CLASS */
MBCONST static const _var_t _VAR_ARGS = { _VAR_ARGS_STR, 0 };
#endif /* MB_ENABLE_CLASS */
/* Parsing context */
#define _CLASS_STATE_NONE 0
#define _CLASS_STATE_PROC 1
MBCONST static const char _MULTI_LINE_COMMENT_PREFIX[] = "'[";
MBCONST static const char _MULTI_LINE_COMMENT_POSTFIX[] = "']";
typedef enum _parsing_state_e {
_PS_NORMAL,
_PS_STRING,
_PS_COMMENT,
_PS_MULTI_LINE_COMMENT
} _parsing_state_e;
typedef enum _symbol_state_e {
_SS_IDENTIFIER,
_SS_OPERATOR
} _symbol_state_e;
#define _ROUTINE_STATE_NONE 0
#define _ROUTINE_STATE_DEF 1
#define _ROUTINE_STATE_PARAMS 2
typedef struct _parsing_context_t {
_ls_node_t* imported;
char current_char;
char current_symbol[_SINGLE_SYMBOL_MAX_LENGTH + 1];
int current_symbol_nonius;
int current_symbol_contains_accessor;
_object_t* last_symbol;
int multi_line_comment_count;
_parsing_state_e parsing_state;
_symbol_state_e symbol_state;
#ifdef MB_ENABLE_CLASS
unsigned short class_state;
#endif /* MB_ENABLE_CLASS */
unsigned short routine_state;
unsigned short routine_params_state;
int parsing_pos;
unsigned short parsing_row;
unsigned short parsing_col;
} _parsing_context_t;
/* Running context */
#define _SCOPE_META_ROOT (1 << 0)
#define _SCOPE_META_REF (1 << 1)
#define _INFINITY_CALC_DEPTH -1
typedef struct _running_context_t {
struct _running_context_t* prev;
unsigned meta;
_ht_node_t* var_dict;
struct _running_context_t* ref;
_var_t* next_loop_var;
mb_value_t intermediate_value;
int calc_depth;
#ifdef MB_ENABLE_LAMBDA
_ls_node_t* refered_lambdas;
#endif /* MB_ENABLE_LAMBDA */
} _running_context_t;
/* Expression processing utilities */
typedef struct _tuple3_t {
void* e1;
void* e2;
void* e3;
} _tuple3_t;
/* Interpreter tag */
#define _JMP_NIL 0x00
#define _JMP_INS 0x01
#define _JMP_STR 0x02
#define _NO_EAT_COMMA 2
typedef struct mb_interpreter_t {
/** Fundamental */
#ifdef MB_ENABLE_FORK
struct mb_interpreter_t* forked_from;
_running_context_t* forked_context;
_ls_node_t* all_forked;
#endif /* MB_ENABLE_FORK */
bool_t valid _PACK1;
void* userdata;
_ls_node_t* ast;
//When we enter a function durung parsing, we save the AST
//We have so far, and we restore it on exit.
//This is because we save function ASTs in a separate place.
_ls_node_t* saved_ast;
/** Memory management */
_gc_t gc;
_ls_node_t* edge_destroy_objects;
_ls_node_t* lazy_destroy_objects;
/** Scripting interface and module */
_ht_node_t* local_func_dict;
_ht_node_t* global_func_dict;
#ifdef MB_ENABLE_MODULE
_ht_node_t* module_func_dict;
char* with_module;
_ls_node_t* using_modules;
#endif /* MB_ENABLE_MODULE */
/** Parsing and interpreting */
char* source_file;
_parsing_context_t* parsing_context;
_running_context_t* running_context;
int run_count;
bool_t has_run _PACK1;
_ls_node_t* var_args;
#ifdef MB_ENABLE_USERTYPE_REF
_object_t* usertype_ref_ahead;
#endif /* MB_ENABLE_USERTYPE_REF */
unsigned char jump_set;
#ifdef MB_ENABLE_CLASS
_class_t* last_instance;
bool_t calling _PACK1;
#endif /* MB_ENABLE_CLASS */
_routine_t* last_routine;
_ls_node_t* sub_stack;
_ls_node_t* suspent_point;
int schedule_suspend_tag;
int_t no_eat_comma_mark;
_ls_node_t* skip_to_eoi;
_ls_node_t* in_neg_expr;
#ifdef MB_ENABLE_STACK_TRACE
_ls_node_t* stack_frames;
#endif /* MB_ENABLE_STACK_TRACE */
#if _MULTILINE_STATEMENT
_ls_node_t* multiline_enabled;
#endif /* _MULTILINE_STATEMENT */
/** Error handling */
bool_t handled_error _PACK1;
mb_error_e last_error;
char* last_error_file;
int last_error_pos;
unsigned short last_error_row;
unsigned short last_error_col;
/** Handlers */
mb_alive_checker_t alive_check_handler;
mb_debug_stepped_handler_t debug_stepped_handler;
mb_error_handler_t error_handler;
mb_print_func_t printer;
mb_input_func_t inputer;
mb_import_handler_t import_handler;
void (*yieldfunc)(struct mb_interpreter_t *);
int yieldcounter;
struct mb_interpreter_t * parent;
} mb_interpreter_t;
/* Operations */
MBCONST static const char _PRECEDE_TABLE[20][20] = { /* Operator priority table */
/* + - * / MOD ^ ( ) = > < >= <= == <> AND OR NOT NEG IS */
{ '>', '>', '<', '<', '<', '<', '<', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>' }, /* + */
{ '>', '>', '<', '<', '<', '<', '<', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>' }, /* - */
{ '>', '>', '>', '>', '>', '<', '<', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>' }, /* * */
{ '>', '>', '>', '>', '>', '<', '<', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>' }, /* / */
{ '>', '>', '<', '<', '>', '<', '<', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>' }, /* MOD */
{ '>', '>', '>', '>', '>', '>', '<', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>' }, /* ^ */
{ '<', '<', '<', '<', '<', '<', '<', '=', ' ', '<', '<', '<', '<', '<', '<', '<', '<', '<', '<', '<' }, /* ( */
{ '>', '>', '>', '>', '>', '>', ' ', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>', '>' }, /* ) */
{ '<', '<', '<', '<', '<', '<', '<', ' ', '=', '<', '<', '<', '<', '<', '<', '<', '<', '<', '<', '<' }, /* = */
{ '<', '<', '<', '<', '<', '<', '<', '>', '>', ' ', ' ', ' ', ' ', ' ', ' ', '>', '>', '>', '>', '>' }, /* > */
{ '<', '<', '<', '<', '<', '<', '<', '>', '>', ' ', ' ', ' ', ' ', ' ', ' ', '>', '>', '>', '>', '>' }, /* < */
{ '<', '<', '<', '<', '<', '<', '<', '>', '>', ' ', ' ', ' ', ' ', ' ', ' ', '>', '>', '>', '>', '>' }, /* >= */
{ '<', '<', '<', '<', '<', '<', '<', '>', '>', ' ', ' ', ' ', ' ', ' ', ' ', '>', '>', '>', '>', '>' }, /* <= */
{ '<', '<', '<', '<', '<', '<', '<', '>', '>', ' ', ' ', ' ', ' ', ' ', ' ', '>', '>', '>', '>', '>' }, /* == */
{ '<', '<', '<', '<', '<', '<', '<', '>', '>', ' ', ' ', ' ', ' ', ' ', ' ', '>', '>', '>', '>', '>' }, /* <> */
{ '<', '<', '<', '<', '<', '<', '<', '>', '>', '<', '<', '<', '<', '<', '<', '>', '>', '<', '>', '>' }, /* AND */
{ '<', '<', '<', '<', '<', '<', '<', '>', '>', '<', '<', '<', '<', '<', '<', '>', '>', '<', '>', '>' }, /* OR */
{ '<', '<', '<', '<', '<', '<', '<', '>', '>', '<', '<', '<', '<', '<', '<', '>', '>', '>', '>', '>' }, /* NOT */
{ '<', '<', '<', '<', '<', '<', '<', '>', '>', '<', '<', '<', '<', '<', '<', '<', '<', '<', '=', '<' }, /* NEG */
{ '<', '<', '<', '<', '<', '<', '<', '>', '>', '<', '<', '<', '<', '<', '<', '>', '>', '<', '>', '>' } /* IS */
};
static _object_t* _exp_assign = 0;
#define _copy_bytes(__l, __r) do { memcpy((__l), (__r), sizeof(mb_val_bytes_t)); } while(0)
#define _set_real_with_hex(__r, __i) \
do { \
if(sizeof(__r) == sizeof(unsigned char)) { \
unsigned char __b = __i; \
memcpy(&(__r), &__b, sizeof(__r)); \
} else if(sizeof(__r) == sizeof(unsigned short)) { \
unsigned short __b = __i; \
memcpy(&(__r), &__b, sizeof(__r)); \
} else if(sizeof(__r) == sizeof(unsigned)) { \
unsigned __b = __i; \
memcpy(&(__r), &__b, sizeof(__r)); \
} else if(sizeof(__r) == sizeof(unsigned long)) { \
unsigned long __b = __i; \
memcpy(&(__r), &__b, sizeof(__r)); \
} else if(sizeof(__r) == sizeof(unsigned long long)) { \
unsigned long long __b = __i; \
memcpy(&(__r), &__b, sizeof(__r)); \
} else { \
mb_assert(0 && "Invalid real number precision."); \
} \
} while(0)
#if MB_CONVERT_TO_INT_LEVEL == MB_CONVERT_TO_INT_LEVEL_NONE
# define _convert_to_int_if_posible(__o) do { ((void)(__o)); } while(0)
#else /* MB_CONVERT_TO_INT_LEVEL == MB_CONVERT_TO_INT_LEVEL_NONE */
# define _convert_to_int_if_posible(__o) \
do { \
if((__o)->type == _DT_REAL && (real_t)(int_t)(__o)->data.float_point == (__o)->data.float_point) { \
(__o)->type = _DT_INT; \
(__o)->data.integer = (int_t)(__o)->data.float_point; \
} \
} while(0)
#endif /* MB_CONVERT_TO_INT_LEVEL == MB_CONVERT_TO_INT_LEVEL_NONE */
#define _instruct_head(__tuple) \
_object_t opndv1; \
_object_t opndv2; \