mruby
4.0.0
mruby is the lightweight implementation of the Ruby language
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include
mrbconf.h
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/*
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** mrbconf.h - mruby core configuration
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**
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** See Copyright Notice in mruby.h
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*/
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#ifndef MRUBYCONF_H
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#define MRUBYCONF_H
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/* architecture selection: */
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/* specify -DMRB_32BIT or -DMRB_64BIT to override */
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#if !defined(MRB_32BIT) && !defined(MRB_64BIT)
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#if UINT64_MAX == SIZE_MAX
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#define MRB_64BIT
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#else
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#define MRB_32BIT
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#endif
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#endif
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#if defined(MRB_32BIT) && defined(MRB_64BIT)
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#error Cannot build for 32 and 64-bit architecture at the same time
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#endif
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/* configuration options: */
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/* add -DMRB_USE_FLOAT32 to use float instead of double for floating-point numbers */
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//#define MRB_USE_FLOAT32
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/* exclude floating-point numbers */
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//#define MRB_NO_FLOAT
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/* obsolete configuration */
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#if defined(MRB_USE_FLOAT)
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# define MRB_USE_FLOAT32
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#endif
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/* obsolete configuration */
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#if defined(MRB_WITHOUT_FLOAT)
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# define MRB_NO_FLOAT
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#endif
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#if defined(MRB_USE_FLOAT32) && defined(MRB_NO_FLOAT)
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#error Cannot define MRB_USE_FLOAT32 and MRB_NO_FLOAT at the same time
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#endif
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/* define on big endian machines; used by MRB_NAN_BOXING, etc. */
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#ifndef MRB_ENDIAN_BIG
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# if (defined(BYTE_ORDER) && defined(BIG_ENDIAN) && BYTE_ORDER == BIG_ENDIAN) || \
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(defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
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# define MRB_ENDIAN_BIG
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# endif
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#endif
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/* represent mrb_value in boxed double; conflict with MRB_USE_FLOAT32 and MRB_NO_FLOAT */
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//#define MRB_NAN_BOXING
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/* represent mrb_value as a word (natural unit of data for the processor) */
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//#define MRB_WORD_BOXING
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/* represent mrb_value as a struct; occupies 2 words */
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//#define MRB_NO_BOXING
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/* if no specific boxing type is chosen */
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#if !defined(MRB_NAN_BOXING) && !defined(MRB_WORD_BOXING) && !defined(MRB_NO_BOXING)
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# define MRB_WORD_BOXING
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#endif
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/* if defined mruby does not inline float values in word boxing;
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all floats are heap-allocated as RFloat objects */
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//#define MRB_WORDBOX_NO_INLINE_FLOAT
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/* obsolete configuration */
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#if defined(MRB_WORDBOX_NO_FLOAT_TRUNCATE)
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# define MRB_WORDBOX_NO_INLINE_FLOAT
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#endif
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/* add -DMRB_INT32 to use 32-bit integer for mrb_int; conflict with MRB_INT64;
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Default for 32-bit CPU mode. */
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//#define MRB_INT32
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/* add -DMRB_INT64 to use 64-bit integer for mrb_int; conflict with MRB_INT32;
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Default for 64-bit CPU mode (unless using MRB_NAN_BOXING). */
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//#define MRB_INT64
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/* if no specific integer type is chosen */
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#if !defined(MRB_INT32) && !defined(MRB_INT64)
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# if defined(MRB_64BIT) && !defined(MRB_NAN_BOXING)
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/* Use 64-bit integers on 64-bit architecture (without MRB_NAN_BOXING) */
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# define MRB_INT64
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# else
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/* Otherwise use 32-bit integers */
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# define MRB_INT32
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# endif
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#endif
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/* MRB_INT64 on 32-bit with word/NaN boxing causes alignment issues
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for heap-allocated RInteger (int64_t needs 8-byte alignment but
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GC heap slots may not guarantee it); use MRB_NO_BOXING instead */
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#if defined(MRB_INT64) && defined(MRB_32BIT) && !defined(MRB_NO_BOXING)
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#error "MRB_INT64 on 32-bit requires MRB_NO_BOXING"
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#endif
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/* call malloc_trim(0) from mrb_full_gc() */
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//#define MRB_USE_MALLOC_TRIM
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/* string class to handle UTF-8 encoding */
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//#define MRB_UTF8_STRING
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/* maximum length of strings */
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/* the default value is 1MB */
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/* set this value to zero to skip the check */
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//#define MRB_STR_LENGTH_MAX 1048576
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/* maximum length of arrays */
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/* the default value is 2**17 entries */
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/* set this value to zero to skip the check */
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//#define MRB_ARY_LENGTH_MAX 131072
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/* argv max size in mrb_funcall */
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//#define MRB_FUNCALL_ARGC_MAX 16
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/* number of object per heap page */
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//#define MRB_HEAP_PAGE_SIZE 1024
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/* define if your platform does not support etext, edata */
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//#define MRB_NO_DEFAULT_RO_DATA_P
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/* define if your platform supports etext, edata */
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//#define MRB_USE_RO_DATA_P_ETEXT
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/* use MRB_USE_ETEXT_RO_DATA_P by default on Linux */
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#if (defined(__linux__) && !defined(__KERNEL__))
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#define MRB_USE_ETEXT_RO_DATA_P
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#endif
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/* you can provide and use mrb_ro_data_p() for your platform.
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prototype is `mrb_bool mrb_ro_data_p(const char *ptr)` */
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//#define MRB_USE_CUSTOM_RO_DATA_P
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/* turn off generational GC by default */
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//#define MRB_GC_TURN_OFF_GENERATIONAL
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/* initial size of khash table bucket */
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//#define KHASH_INITIAL_SIZE 32
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/* allocated memory address alignment */
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//#define POOL_ALIGNMENT 4
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/* page size of memory pool */
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//#define POOL_PAGE_SIZE 16000
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/* arena size */
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//#define MRB_GC_ARENA_SIZE 100
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/* fixed size GC arena */
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//#define MRB_GC_FIXED_ARENA
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/* state atexit stack size */
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//#define MRB_FIXED_STATE_ATEXIT_STACK_SIZE 5
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/* fixed size state atexit stack */
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//#define MRB_FIXED_STATE_ATEXIT_STACK
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/* -DMRB_NO_XXXX to drop following features */
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//#define MRB_NO_STDIO /* use of stdio */
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/* -DMRB_USE_XXXX to enable following features */
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//#define MRB_USE_DEBUG_HOOK /* hooks for debugger */
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//#define MRB_USE_ALL_SYMBOLS /* Symbol.all_symbols */
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/* Symbol table configuration */
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/* Threshold for switching from linear search to hash table */
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#ifndef MRB_SYMBOL_LINEAR_THRESHOLD
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#define MRB_SYMBOL_LINEAR_THRESHOLD 256
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#endif
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/* Maximum number of dynamic symbols (created at runtime via to_sym etc.)
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Presyms, inline symbols, and mrb_intern_static symbols are excluded.
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Set to 0 to disable the limit. */
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#ifndef MRB_SYMBOL_MAX
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#define MRB_SYMBOL_MAX 4096
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#endif
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/* obsolete configurations */
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#if defined(DISABLE_STDIO) || defined(MRB_DISABLE_STDIO)
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# define MRB_NO_STDIO
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#endif
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#if defined(MRB_DISABLE_DIRECT_THREADING) || defined(MRB_NO_DIRECT_THREADING)
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# define MRB_USE_VM_SWITCH_DISPATCH
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#endif
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#if defined(ENABLE_DEBUG) || defined(MRB_ENABLE_DEBUG_HOOK)
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# define MRB_USE_DEBUG_HOOK
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#endif
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#ifdef MRB_ENABLE_ALL_SYMBOLS
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# define MRB_USE_ALL_SYMBOLS
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#endif
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#ifdef MRB_ENABLE_CXX_ABI
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# define MRB_USE_CXX_ABI
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#endif
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#ifdef MRB_ENABLE_CXX_EXCEPTION
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# define MRB_USE_CXX_EXCEPTION
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#endif
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/* end of configuration */
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#ifndef MRB_NO_STDIO
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# include <stdio.h>
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#endif
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/*
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** mruby tuning profiles
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**/
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/* A profile for micro controllers */
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#if defined(MRB_CONSTRAINED_BASELINE_PROFILE)
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# ifndef MRB_NO_METHOD_CACHE
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# define MRB_NO_METHOD_CACHE
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# endif
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# ifndef KHASH_INITIAL_SIZE
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# define KHASH_INITIAL_SIZE 16
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# endif
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# ifndef MRB_HEAP_PAGE_SIZE
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# define MRB_HEAP_PAGE_SIZE 256
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# endif
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/* A profile for default mruby */
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#elif defined(MRB_BASELINE_PROFILE)
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/* A profile for desktop computers or workstations; rich memory! */
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#elif defined(MRB_MAIN_PROFILE)
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# ifndef MRB_METHOD_CACHE_SIZE
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# define MRB_METHOD_CACHE_SIZE (1<<10)
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# endif
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# ifndef MRB_HEAP_PAGE_SIZE
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# define MRB_HEAP_PAGE_SIZE 4096
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# endif
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/* A profile for server; mruby vm is long life */
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#elif defined(MRB_HIGH_PROFILE)
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# ifndef MRB_METHOD_CACHE_SIZE
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# define MRB_METHOD_CACHE_SIZE (1<<12)
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# endif
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# ifndef MRB_HEAP_PAGE_SIZE
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# define MRB_HEAP_PAGE_SIZE 4096
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# endif
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#endif
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#endif
/* MRUBYCONF_H */
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