symbol.c File Reference

mruby/c Symbol class More...

#include "_autogen_builtin_symbol.h"
#include "mrubyc.h"
#include "_autogen_class_symbol.h"

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Data Structures
struct	SYM_INDEX

Macros
#define	MRBC_DEFINE_SYMBOL_TABLE
#define	MRBC_SYMBOL_SEARCH_BTREE
#define	MRBC_SYMBOL_TABLE_INDEX_TYPE   uint8_t
#define	OFFSET_BUILTIN_SYMBOL   256

Functions
static uint16_t	calc_hash (const char *str)
static int	search_builtin_symbol (const char *str)
static int	search_index (uint16_t hash, const char *str)
static int	add_index (uint16_t hash, const char *str)
void	mrbc_cleanup_symbol (void)
mrbc_sym	mrbc_str_to_symid (const char *str)
const char *	mrbc_symid_to_str (mrbc_sym sym_id)
mrbc_sym	mrbc_search_symid (const char *str)
void	make_nested_symbol_s (char *buf, mrbc_sym id1, mrbc_sym id2)
void	mrbc_separate_nested_symid (mrbc_sym sym_id, mrbc_sym *id1, mrbc_sym *id2)
mrbc_value	mrbc_symbol_new (struct VM *vm, const char *str)

Variables
static struct SYM_INDEX	sym_index [MAX_SYMBOLS_COUNT]
static int	sym_index_pos

Detailed Description

mruby/c Symbol class

Copyright (C) 2015-      Kyushu Institute of Technology.
Copyright (C) 2015-2026  Shimane IT Open-Innovation Center.
Copyright (C) 2026-      Shimane Institute for Industrial Technology.

This file is distributed under BSD 3-Clause License.

Definition in file symbol.c.

Macro Definition Documentation

MRBC_DEFINE_SYMBOL_TABLE

#define MRBC_DEFINE_SYMBOL_TABLE

Definition at line 26 of file symbol.c.

MRBC_SYMBOL_SEARCH_BTREE

#define MRBC_SYMBOL_SEARCH_BTREE

Definition at line 33 of file symbol.c.

MRBC_SYMBOL_TABLE_INDEX_TYPE

#define MRBC_SYMBOL_TABLE_INDEX_TYPE   uint8_t

Definition at line 37 of file symbol.c.

OFFSET_BUILTIN_SYMBOL

#define OFFSET_BUILTIN_SYMBOL   256

Definition at line 42 of file symbol.c.

Function Documentation

add_index()

int add_index ( uint16_t hash, const char * str )

static

add to index table

Parameters

hash	return value.
str	string ptr.

Returns

index. or -1 if error.

Definition at line 167 of file symbol.c.

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calc_hash()

uint16_t calc_hash ( const char * str )

inlinestatic

Calculate hash value.

Parameters

str	Target string.

Returns

uint16_t Hash value.

Definition at line 76 of file symbol.c.

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make_nested_symbol_s()

void make_nested_symbol_s	(	char *	buf,
		mrbc_sym	id1,
		mrbc_sym	id2 )

make internal use strings for class constant

Parameters

buf	output buffer.
id1	parent class symbol id
id2	target symbol id

Definition at line 282 of file symbol.c.

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mrbc_cleanup_symbol()

void mrbc_cleanup_symbol

(

void

)

cleanup

Definition at line 208 of file symbol.c.

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mrbc_search_symid()

mrbc_sym mrbc_search_symid

(

const char *

str

)

Search only.

Parameters

str

C string.

Returns

symbol id. or -1 if not registered.

Definition at line 262 of file symbol.c.

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mrbc_separate_nested_symid()

void mrbc_separate_nested_symid	(	mrbc_sym	sym_id,
		mrbc_sym *	id1,
		mrbc_sym *	id2 )

separate nested symbol ID

Parameters

	sym_id	symbol ID
[out]	id1	result 1
[out]	id2	result 2

See also

make_nested_symbol_s

Definition at line 309 of file symbol.c.

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mrbc_str_to_symid()

mrbc_sym mrbc_str_to_symid

(

const char *

str

)

Convert string to symbol value.

Parameters

str	Target string.

Returns

mrbc_sym Symbol value. -1 if error.

Definition at line 221 of file symbol.c.

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mrbc_symbol_new()

mrbc_value mrbc_symbol_new	(	struct VM *	vm,
		const char *	str )

constructor

Parameters

vm	pointer to VM.
str	String

Returns

symbol object

Definition at line 340 of file symbol.c.

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mrbc_symid_to_str()

const char * mrbc_symid_to_str

(

mrbc_sym

sym_id

)

Convert symbol value to string.

Parameters

sym_id

Symbol value.

Returns

const char* Symbol String. Returns an empty string if the sym_id is invalid.

Definition at line 242 of file symbol.c.

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search_builtin_symbol()

int search_builtin_symbol ( const char * str )

static

search built-in symbol table

Parameters

str	string ptr.

Returns

symbol id. or -1 if not found.

Definition at line 93 of file symbol.c.

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search_index()

int search_index ( uint16_t hash, const char * str )

static

search index table

Parameters

hash	hash value.
str	string ptr.

Returns

index. or -1 if not found.

Definition at line 132 of file symbol.c.

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Variable Documentation

sym_index

struct SYM_INDEX sym_index[MAX_SYMBOLS_COUNT]

static

Definition at line 62 of file symbol.c.

sym_index_pos

int sym_index_pos

static

Definition at line 63 of file symbol.c.