Mini Shell
/**********************************************************************
node.h -
$Author: shyouhei $
$Date: 2009-02-25 15:15:55 +0900 (Wed, 25 Feb 2009) $
created at: Fri May 28 15:14:02 JST 1993
Copyright (C) 1993-2003 Yukihiro Matsumoto
**********************************************************************/
#ifndef NODE_H
#define NODE_H
#if defined(__cplusplus)
extern "C" {
#endif
enum node_type {
NODE_METHOD,
NODE_FBODY,
NODE_CFUNC,
NODE_SCOPE,
NODE_BLOCK,
NODE_IF,
NODE_CASE,
NODE_WHEN,
NODE_OPT_N,
NODE_WHILE,
NODE_UNTIL,
NODE_ITER,
NODE_FOR,
NODE_BREAK,
NODE_NEXT,
NODE_REDO,
NODE_RETRY,
NODE_BEGIN,
NODE_RESCUE,
NODE_RESBODY,
NODE_ENSURE,
NODE_AND,
NODE_OR,
NODE_NOT,
NODE_MASGN,
NODE_LASGN,
NODE_DASGN,
NODE_DASGN_CURR,
NODE_GASGN,
NODE_IASGN,
NODE_CDECL,
NODE_CVASGN,
NODE_CVDECL,
NODE_OP_ASGN1,
NODE_OP_ASGN2,
NODE_OP_ASGN_AND,
NODE_OP_ASGN_OR,
NODE_CALL,
NODE_FCALL,
NODE_VCALL,
NODE_SUPER,
NODE_ZSUPER,
NODE_ARRAY,
NODE_ZARRAY,
NODE_HASH,
NODE_RETURN,
NODE_YIELD,
NODE_LVAR,
NODE_DVAR,
NODE_GVAR,
NODE_IVAR,
NODE_CONST,
NODE_CVAR,
NODE_NTH_REF,
NODE_BACK_REF,
NODE_MATCH,
NODE_MATCH2,
NODE_MATCH3,
NODE_LIT,
NODE_STR,
NODE_DSTR,
NODE_XSTR,
NODE_DXSTR,
NODE_EVSTR,
NODE_DREGX,
NODE_DREGX_ONCE,
NODE_ARGS,
NODE_ARGSCAT,
NODE_ARGSPUSH,
NODE_SPLAT,
NODE_TO_ARY,
NODE_SVALUE,
NODE_BLOCK_ARG,
NODE_BLOCK_PASS,
NODE_DEFN,
NODE_DEFS,
NODE_ALIAS,
NODE_VALIAS,
NODE_UNDEF,
NODE_CLASS,
NODE_MODULE,
NODE_SCLASS,
NODE_COLON2,
NODE_COLON3,
NODE_CREF,
NODE_DOT2,
NODE_DOT3,
NODE_FLIP2,
NODE_FLIP3,
NODE_ATTRSET,
NODE_SELF,
NODE_NIL,
NODE_TRUE,
NODE_FALSE,
NODE_DEFINED,
NODE_NEWLINE,
NODE_POSTEXE,
NODE_ALLOCA,
NODE_DMETHOD,
NODE_BMETHOD,
NODE_MEMO,
NODE_IFUNC,
NODE_DSYM,
NODE_ATTRASGN,
NODE_LAST
};
typedef struct RNode {
unsigned long flags;
char *nd_file;
union {
struct RNode *node;
ID id;
VALUE value;
VALUE (*cfunc)(ANYARGS);
ID *tbl;
} u1;
union {
struct RNode *node;
ID id;
long argc;
VALUE value;
} u2;
union {
struct RNode *node;
ID id;
long state;
struct global_entry *entry;
long cnt;
VALUE value;
} u3;
} NODE;
extern NODE *ruby_cref;
extern NODE *ruby_top_cref;
#define RNODE(obj) (R_CAST(RNode)(obj))
#define nd_type(n) ((int)(((RNODE(n))->flags>>FL_USHIFT)&0xff))
#define nd_set_type(n,t) \
RNODE(n)->flags=((RNODE(n)->flags&~FL_UMASK)|(((t)<<FL_USHIFT)&FL_UMASK))
#define NODE_LSHIFT (FL_USHIFT+8)
#define NODE_LMASK (((long)1<<(sizeof(NODE*)*CHAR_BIT-NODE_LSHIFT))-1)
#define nd_line(n) ((unsigned int)(((RNODE(n))->flags>>NODE_LSHIFT)&NODE_LMASK))
#define nd_set_line(n,l) \
RNODE(n)->flags=((RNODE(n)->flags&~(-1<<NODE_LSHIFT))|(((l)&NODE_LMASK)<<NODE_LSHIFT))
#define nd_head u1.node
#define nd_alen u2.argc
#define nd_next u3.node
#define nd_cond u1.node
#define nd_body u2.node
#define nd_else u3.node
#define nd_orig u3.value
#define nd_resq u2.node
#define nd_ensr u3.node
#define nd_1st u1.node
#define nd_2nd u2.node
#define nd_stts u1.node
#define nd_entry u3.entry
#define nd_vid u1.id
#define nd_cflag u2.id
#define nd_cval u3.value
#define nd_cnt u3.cnt
#define nd_tbl u1.tbl
#define nd_var u1.node
#define nd_ibdy u2.node
#define nd_iter u3.node
#define nd_value u2.node
#define nd_aid u3.id
#define nd_lit u1.value
#define nd_frml u1.node
#define nd_rest u2.node
#define nd_opt u1.node
#define nd_recv u1.node
#define nd_mid u2.id
#define nd_args u3.node
#define nd_noex u1.id
#define nd_defn u3.node
#define nd_cfnc u1.cfunc
#define nd_argc u2.argc
#define nd_cpath u1.node
#define nd_super u3.node
#define nd_modl u1.id
#define nd_clss u1.value
#define nd_beg u1.node
#define nd_end u2.node
#define nd_state u3.state
#define nd_rval u2.value
#define nd_nth u2.argc
#define nd_tag u1.id
#define nd_tval u2.value
#define NEW_NODE(t,a0,a1,a2) rb_node_newnode((t),(VALUE)(a0),(VALUE)(a1),(VALUE)(a2))
#define NEW_METHOD(n,x) NEW_NODE(NODE_METHOD,x,n,0)
#define NEW_FBODY(n,i,o) NEW_NODE(NODE_FBODY,n,i,o)
#define NEW_DEFN(i,a,d,p) NEW_NODE(NODE_DEFN,p,i,NEW_RFUNC(a,d))
#define NEW_DEFS(r,i,a,d) NEW_NODE(NODE_DEFS,r,i,NEW_RFUNC(a,d))
#define NEW_CFUNC(f,c) NEW_NODE(NODE_CFUNC,f,c,0)
#define NEW_IFUNC(f,c) NEW_NODE(NODE_IFUNC,f,c,0)
#define NEW_RFUNC(b1,b2) NEW_SCOPE(block_append(b1,b2))
#define NEW_SCOPE(b) NEW_NODE(NODE_SCOPE,local_tbl(),0,(b))
#define NEW_BLOCK(a) NEW_NODE(NODE_BLOCK,a,0,0)
#define NEW_IF(c,t,e) NEW_NODE(NODE_IF,c,t,e)
#define NEW_UNLESS(c,t,e) NEW_IF(c,e,t)
#define NEW_CASE(h,b) NEW_NODE(NODE_CASE,h,b,0)
#define NEW_WHEN(c,t,e) NEW_NODE(NODE_WHEN,c,t,e)
#define NEW_OPT_N(b) NEW_NODE(NODE_OPT_N,0,b,0)
#define NEW_WHILE(c,b,n) NEW_NODE(NODE_WHILE,c,b,n)
#define NEW_UNTIL(c,b,n) NEW_NODE(NODE_UNTIL,c,b,n)
#define NEW_FOR(v,i,b) NEW_NODE(NODE_FOR,v,b,i)
#define NEW_ITER(v,i,b) NEW_NODE(NODE_ITER,v,b,i)
#define NEW_BREAK(s) NEW_NODE(NODE_BREAK,s,0,0)
#define NEW_NEXT(s) NEW_NODE(NODE_NEXT,s,0,0)
#define NEW_REDO() NEW_NODE(NODE_REDO,0,0,0)
#define NEW_RETRY() NEW_NODE(NODE_RETRY,0,0,0)
#define NEW_BEGIN(b) NEW_NODE(NODE_BEGIN,0,b,0)
#define NEW_RESCUE(b,res,e) NEW_NODE(NODE_RESCUE,b,res,e)
#define NEW_RESBODY(a,ex,n) NEW_NODE(NODE_RESBODY,n,ex,a)
#define NEW_ENSURE(b,en) NEW_NODE(NODE_ENSURE,b,0,en)
#define NEW_RETURN(s) NEW_NODE(NODE_RETURN,s,0,0)
#define NEW_YIELD(a,s) NEW_NODE(NODE_YIELD,a,0,s)
#define NEW_LIST(a) NEW_ARRAY(a)
#define NEW_ARRAY(a) NEW_NODE(NODE_ARRAY,a,1,0)
#define NEW_ZARRAY() NEW_NODE(NODE_ZARRAY,0,0,0)
#define NEW_HASH(a) NEW_NODE(NODE_HASH,a,0,0)
#define NEW_NOT(a) NEW_NODE(NODE_NOT,0,a,0)
#define NEW_MASGN(l,r) NEW_NODE(NODE_MASGN,l,0,r)
#define NEW_GASGN(v,val) NEW_NODE(NODE_GASGN,v,val,rb_global_entry(v))
#define NEW_LASGN(v,val) NEW_NODE(NODE_LASGN,v,val,local_cnt(v))
#define NEW_DASGN(v,val) NEW_NODE(NODE_DASGN,v,val,0)
#define NEW_DASGN_CURR(v,val) NEW_NODE(NODE_DASGN_CURR,v,val,0)
#define NEW_IASGN(v,val) NEW_NODE(NODE_IASGN,v,val,0)
#define NEW_CDECL(v,val,path) NEW_NODE(NODE_CDECL,v,val,path)
#define NEW_CVASGN(v,val) NEW_NODE(NODE_CVASGN,v,val,0)
#define NEW_CVDECL(v,val) NEW_NODE(NODE_CVDECL,v,val,0)
#define NEW_OP_ASGN1(p,id,a) NEW_NODE(NODE_OP_ASGN1,p,id,a)
#define NEW_OP_ASGN2(r,i,o,val) NEW_NODE(NODE_OP_ASGN2,r,val,NEW_OP_ASGN22(i,o))
#define NEW_OP_ASGN22(i,o) NEW_NODE(NODE_OP_ASGN2,i,o,rb_id_attrset(i))
#define NEW_OP_ASGN_OR(i,val) NEW_NODE(NODE_OP_ASGN_OR,i,val,0)
#define NEW_OP_ASGN_AND(i,val) NEW_NODE(NODE_OP_ASGN_AND,i,val,0)
#define NEW_GVAR(v) NEW_NODE(NODE_GVAR,v,0,rb_global_entry(v))
#define NEW_LVAR(v) NEW_NODE(NODE_LVAR,v,0,local_cnt(v))
#define NEW_DVAR(v) NEW_NODE(NODE_DVAR,v,0,0)
#define NEW_IVAR(v) NEW_NODE(NODE_IVAR,v,0,0)
#define NEW_CONST(v) NEW_NODE(NODE_CONST,v,0,0)
#define NEW_CVAR(v) NEW_NODE(NODE_CVAR,v,0,0)
#define NEW_NTH_REF(n) NEW_NODE(NODE_NTH_REF,0,n,local_cnt('~'))
#define NEW_BACK_REF(n) NEW_NODE(NODE_BACK_REF,0,n,local_cnt('~'))
#define NEW_MATCH(c) NEW_NODE(NODE_MATCH,c,0,0)
#define NEW_MATCH2(n1,n2) NEW_NODE(NODE_MATCH2,n1,n2,0)
#define NEW_MATCH3(r,n2) NEW_NODE(NODE_MATCH3,r,n2,0)
#define NEW_LIT(l) NEW_NODE(NODE_LIT,l,0,0)
#define NEW_STR(s) NEW_NODE(NODE_STR,s,0,0)
#define NEW_DSTR(s) NEW_NODE(NODE_DSTR,s,1,0)
#define NEW_XSTR(s) NEW_NODE(NODE_XSTR,s,0,0)
#define NEW_DXSTR(s) NEW_NODE(NODE_DXSTR,s,0,0)
#define NEW_DSYM(s) NEW_NODE(NODE_DSYM,s,0,0)
#define NEW_EVSTR(n) NEW_NODE(NODE_EVSTR,0,(n),0)
#define NEW_CALL(r,m,a) NEW_NODE(NODE_CALL,r,m,a)
#define NEW_FCALL(m,a) NEW_NODE(NODE_FCALL,0,m,a)
#define NEW_VCALL(m) NEW_NODE(NODE_VCALL,0,m,0)
#define NEW_SUPER(a) NEW_NODE(NODE_SUPER,0,0,a)
#define NEW_ZSUPER() NEW_NODE(NODE_ZSUPER,0,0,0)
#define NEW_ARGS(f,o,r) NEW_NODE(NODE_ARGS,o,r,f)
#define NEW_ARGSCAT(a,b) NEW_NODE(NODE_ARGSCAT,a,b,0)
#define NEW_ARGSPUSH(a,b) NEW_NODE(NODE_ARGSPUSH,a,b,0)
#define NEW_SPLAT(a) NEW_NODE(NODE_SPLAT,a,0,0)
#define NEW_TO_ARY(a) NEW_NODE(NODE_TO_ARY,a,0,0)
#define NEW_SVALUE(a) NEW_NODE(NODE_SVALUE,a,0,0)
#define NEW_BLOCK_ARG(v) NEW_NODE(NODE_BLOCK_ARG,v,0,local_cnt(v))
#define NEW_BLOCK_PASS(b) NEW_NODE(NODE_BLOCK_PASS,0,b,0)
#define NEW_ALIAS(n,o) NEW_NODE(NODE_ALIAS,n,o,0)
#define NEW_VALIAS(n,o) NEW_NODE(NODE_VALIAS,n,o,0)
#define NEW_UNDEF(i) NEW_NODE(NODE_UNDEF,0,i,0)
#define NEW_CLASS(n,b,s) NEW_NODE(NODE_CLASS,n,NEW_SCOPE(b),(s))
#define NEW_SCLASS(r,b) NEW_NODE(NODE_SCLASS,r,NEW_SCOPE(b),0)
#define NEW_MODULE(n,b) NEW_NODE(NODE_MODULE,n,NEW_SCOPE(b),0)
#define NEW_COLON2(c,i) NEW_NODE(NODE_COLON2,c,i,0)
#define NEW_COLON3(i) NEW_NODE(NODE_COLON3,0,i,0)
#define NEW_CREF(c,n) NEW_NODE(NODE_CREF,c,0,n)
#define NEW_DOT2(b,e) NEW_NODE(NODE_DOT2,b,e,0)
#define NEW_DOT3(b,e) NEW_NODE(NODE_DOT3,b,e,0)
#define NEW_ATTRSET(a) NEW_NODE(NODE_ATTRSET,a,0,0)
#define NEW_SELF() NEW_NODE(NODE_SELF,0,0,0)
#define NEW_NIL() NEW_NODE(NODE_NIL,0,0,0)
#define NEW_TRUE() NEW_NODE(NODE_TRUE,0,0,0)
#define NEW_FALSE() NEW_NODE(NODE_FALSE,0,0,0)
#define NEW_DEFINED(e) NEW_NODE(NODE_DEFINED,e,0,0)
#define NEW_NEWLINE(n) NEW_NODE(NODE_NEWLINE,0,0,n)
#define NEW_PREEXE(b) NEW_SCOPE(b)
#define NEW_POSTEXE() NEW_NODE(NODE_POSTEXE,0,0,0)
#define NEW_DMETHOD(b) NEW_NODE(NODE_DMETHOD,0,0,b)
#define NEW_BMETHOD(b) NEW_NODE(NODE_BMETHOD,0,0,b)
#define NEW_ATTRASGN(r,m,a) NEW_NODE(NODE_ATTRASGN,r,m,a)
#define NOEX_PUBLIC 0
#define NOEX_NOSUPER 1
#define NOEX_PRIVATE 2
#define NOEX_PROTECTED 4
#define NOEX_MASK 6
#define NOEX_UNDEF NOEX_NOSUPER
NODE *rb_compile_cstr _((const char*, const char*, int, int));
NODE *rb_compile_string _((const char*, VALUE, int));
NODE *rb_compile_file _((const char*, VALUE, int));
void rb_add_method _((VALUE, ID, NODE *, int));
NODE *rb_node_newnode _((enum node_type,VALUE,VALUE,VALUE));
NODE* rb_method_node _((VALUE klass, ID id));
struct global_entry *rb_global_entry _((ID));
VALUE rb_gvar_get _((struct global_entry *));
VALUE rb_gvar_set _((struct global_entry *, VALUE));
VALUE rb_gvar_defined _((struct global_entry *));
typedef unsigned int rb_event_t;
#define RUBY_EVENT_NONE 0x00
#define RUBY_EVENT_LINE 0x01
#define RUBY_EVENT_CLASS 0x02
#define RUBY_EVENT_END 0x04
#define RUBY_EVENT_CALL 0x08
#define RUBY_EVENT_RETURN 0x10
#define RUBY_EVENT_C_CALL 0x20
#define RUBY_EVENT_C_RETURN 0x40
#define RUBY_EVENT_RAISE 0x80
#define RUBY_EVENT_ALL 0xff
typedef void (*rb_event_hook_func_t) _((rb_event_t,NODE*,VALUE,ID,VALUE));
NODE *rb_copy_node_scope _((NODE *, NODE *));
void rb_add_event_hook _((rb_event_hook_func_t,rb_event_t));
int rb_remove_event_hook _((rb_event_hook_func_t));
#if defined(HAVE_GETCONTEXT) && defined(HAVE_SETCONTEXT)
#include <ucontext.h>
#define USE_CONTEXT
#endif
#include <setjmp.h>
#include "st.h"
#ifdef USE_CONTEXT
typedef struct {
ucontext_t context;
volatile int status;
} rb_jmpbuf_t[1];
#else
typedef RUBY_JMP_BUF rb_jmpbuf_t;
#endif
enum rb_thread_status {
THREAD_TO_KILL,
THREAD_RUNNABLE,
THREAD_STOPPED,
THREAD_KILLED,
};
typedef struct rb_thread *rb_thread_t;
struct rb_thread {
rb_thread_t next, prev;
rb_jmpbuf_t context;
#if (defined _WIN32 && !defined _WIN32_WCE) || defined __CYGWIN__
unsigned long win32_exception_list;
#endif
VALUE result;
size_t stk_len;
size_t stk_max;
VALUE *stk_ptr;
VALUE *stk_pos;
#ifdef __ia64
size_t bstr_len;
size_t bstr_max;
VALUE *bstr_ptr;
VALUE *bstr_pos;
#endif
struct FRAME *frame;
struct SCOPE *scope;
struct RVarmap *dyna_vars;
struct BLOCK *block;
struct iter *iter;
struct tag *tag;
VALUE klass;
VALUE wrapper;
NODE *cref;
int flags; /* misc. states (vmode/rb_trap_immediate/raised) */
NODE *node;
int tracing;
VALUE errinfo;
VALUE last_status;
VALUE last_line;
VALUE last_match;
int safe;
enum rb_thread_status status;
int wait_for;
int fd;
fd_set readfds;
fd_set writefds;
fd_set exceptfds;
int select_value;
double delay;
rb_thread_t join;
int abort;
int priority;
VALUE thgroup;
struct st_table *locals;
VALUE thread;
VALUE sandbox;
};
extern VALUE (*ruby_sandbox_save)_((rb_thread_t));
extern VALUE (*ruby_sandbox_restore)_((rb_thread_t));
extern rb_thread_t rb_curr_thread;
extern rb_thread_t rb_main_thread;
enum {
RAISED_EXCEPTION = 0x1000,
RAISED_STACKOVERFLOW = 0x2000,
RAISED_NOMEMORY = 0x4000,
RAISED_MASK = 0xf000
};
int rb_thread_set_raised(rb_thread_t th);
int rb_thread_reset_raised(rb_thread_t th);
#define rb_thread_raised_set(th, f) ((th)->flags |= (f))
#define rb_thread_raised_reset(th, f) ((th)->flags &= ~(f))
#define rb_thread_raised_p(th, f) (((th)->flags & (f)) != 0)
#define rb_thread_raised_clear(th) (rb_thread_raised_reset(th, RAISED_MASK))
#if defined(__cplusplus)
} /* extern "C" { */
#endif
#endif
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