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/**********************************************************************
symbol.h -
$Author$
created at: Tue Jul 8 15:49:54 JST 2014
Copyright (C) 2014 Yukihiro Matsumoto
**********************************************************************/
#ifndef RUBY_SYMBOL_H
#define RUBY_SYMBOL_H 1
#include "id.h"
#define DYNAMIC_ID_P(id) (!(id&ID_STATIC_SYM)&&id>tLAST_OP_ID)
#define STATIC_ID2SYM(id) (((VALUE)(id)<<RUBY_SPECIAL_SHIFT)|SYMBOL_FLAG)
#ifdef __GNUC__
#define rb_id2sym(id) \
__extension__(__builtin_constant_p(id) && !DYNAMIC_ID_P(id) ? \
STATIC_ID2SYM(id) : rb_id2sym(id))
#endif
struct RSymbol {
struct RBasic basic;
VALUE fstr;
ID id;
};
#define RSYMBOL(obj) (R_CAST(RSymbol)(obj))
static inline int
id_type(ID id)
{
if (id<=tLAST_OP_ID) {
return -1;
}
return (int)(id&ID_SCOPE_MASK);
}
#define is_notop_id(id) ((id)>tLAST_OP_ID)
#define is_local_id(id) (id_type(id)==ID_LOCAL)
#define is_global_id(id) (id_type(id)==ID_GLOBAL)
#define is_instance_id(id) (id_type(id)==ID_INSTANCE)
#define is_attrset_id(id) (id_type(id)==ID_ATTRSET)
#define is_const_id(id) (id_type(id)==ID_CONST)
#define is_class_id(id) (id_type(id)==ID_CLASS)
#define is_junk_id(id) (id_type(id)==ID_JUNK)
static inline int
sym_type(VALUE sym)
{
ID id;
if (STATIC_SYM_P(sym)) {
id = RSHIFT(sym, RUBY_SPECIAL_SHIFT);
if (id<=tLAST_OP_ID) {
return -1;
}
}
else {
id = RSYMBOL(sym)->id;
}
return (int)(id&ID_SCOPE_MASK);
}
#define is_local_sym(sym) (sym_type(sym)==ID_LOCAL)
#define is_global_sym(sym) (sym_type(sym)==ID_GLOBAL)
#define is_instance_sym(sym) (sym_type(sym)==ID_INSTANCE)
#define is_attrset_sym(sym) (sym_type(sym)==ID_ATTRSET)
#define is_const_sym(sym) (sym_type(sym)==ID_CONST)
#define is_class_sym(sym) (sym_type(sym)==ID_CLASS)
#define is_junk_sym(sym) (sym_type(sym)==ID_JUNK)
RUBY_FUNC_EXPORTED const unsigned int ruby_global_name_punct_bits[(0x7e - 0x20 + 31) / 32];
static inline int
is_global_name_punct(const int c)
{
if (c <= 0x20 || 0x7e < c) return 0;
return (ruby_global_name_punct_bits[(c - 0x20) / 32] >> (c % 32)) & 1;
}
ID rb_intern_cstr_without_pindown(const char *, long, rb_encoding *);
#endif
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