CHDK_DE Vorschauversion  Trunk Rev. 5232
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lfunc.h-Dateireferenz
#include "lobject.h"
+ Include-Abhängigkeitsdiagramm für lfunc.h:
+ Dieser Graph zeigt, welche Datei direkt oder indirekt diese Datei enthält:

gehe zum Quellcode dieser Datei

Makrodefinitionen

#define sizeCclosure(n)
 
#define sizeLclosure(n)
 

Funktionen

LUAI_FUNC ProtoluaF_newproto (lua_State *L)
 
LUAI_FUNC ClosureluaF_newCclosure (lua_State *L, int nelems, Table *e)
 
LUAI_FUNC ClosureluaF_newLclosure (lua_State *L, int nelems, Table *e)
 
LUAI_FUNC UpValluaF_newupval (lua_State *L)
 
LUAI_FUNC UpValluaF_findupval (lua_State *L, StkId level)
 
LUAI_FUNC void luaF_close (lua_State *L, StkId level)
 
LUAI_FUNC void luaF_freeproto (lua_State *L, Proto *f)
 
LUAI_FUNC void luaF_freeclosure (lua_State *L, Closure *c)
 
LUAI_FUNC void luaF_freeupval (lua_State *L, UpVal *uv)
 
LUAI_FUNC const char * luaF_getlocalname (const Proto *func, int local_number, int pc)
 

Makro-Dokumentation

#define sizeCclosure (   n)
Wert:
(cast(int, sizeof(CClosure)) + \
cast(int, sizeof(TValue)*((n)-1)))

Definiert in Zeile 14 der Datei lfunc.h.

#define sizeLclosure (   n)
Wert:
(cast(int, sizeof(LClosure)) + \
cast(int, sizeof(TValue *)*((n)-1)))

Definiert in Zeile 17 der Datei lfunc.h.

Dokumentation der Funktionen

LUAI_FUNC void luaF_close ( lua_State L,
StkId  level 
)

Definiert in Zeile 96 der Datei lfunc.c.

96  {
97  UpVal *uv;
98  global_State *g = G(L);
99  while (L->openupval != NULL && (uv = ngcotouv(L->openupval))->v >= level) {
100  GCObject *o = obj2gco(uv);
101  lua_assert(!isblack(o) && uv->v != &uv->u.value);
102  L->openupval = uv->next; /* remove from `open' list */
103  if (isdead(g, o))
104  luaF_freeupval(L, uv); /* free upvalue */
105  else {
106  unlinkupval(uv);
107  setobj(L, &uv->u.value, uv->v);
108  uv->v = &uv->u.value; /* now current value lives here */
109  luaC_linkupval(L, uv); /* link upvalue into `gcroot' list */
110  }
111  }
112 }
LUAI_FUNC UpVal* luaF_findupval ( lua_State L,
StkId  level 
)

Definiert in Zeile 53 der Datei lfunc.c.

53  {
54  global_State *g = G(L);
55  GCObject **pp = &L->openupval;
56  UpVal *p;
57  UpVal *uv;
58  while (*pp != NULL && (p = ngcotouv(*pp))->v >= level) {
59  lua_assert(p->v != &p->u.value);
60  if (p->v == level) { /* found a corresponding upvalue? */
61  if (isdead(g, obj2gco(p))) /* is it dead? */
62  changewhite(obj2gco(p)); /* ressurect it */
63  return p;
64  }
65  pp = &p->next;
66  }
67  uv = luaM_new(L, UpVal); /* not found: create a new one */
68  uv->tt = LUA_TUPVAL;
69  uv->marked = luaC_white(g);
70  uv->v = level; /* current value lives in the stack */
71  uv->next = *pp; /* chain it in the proper position */
72  *pp = obj2gco(uv);
73  uv->u.l.prev = &g->uvhead; /* double link it in `uvhead' list */
74  uv->u.l.next = g->uvhead.u.l.next;
75  uv->u.l.next->u.l.prev = uv;
76  g->uvhead.u.l.next = uv;
77  lua_assert(uv->u.l.next->u.l.prev == uv && uv->u.l.prev->u.l.next == uv);
78  return uv;
79 }
LUAI_FUNC void luaF_freeclosure ( lua_State L,
Closure c 
)

Definiert in Zeile 152 der Datei lfunc.c.

152  {
153  int size = (c->c.isC) ? sizeCclosure(c->c.nupvalues) :
154  sizeLclosure(c->l.nupvalues);
155  luaM_freemem(L, c, size);
156 }
LUAI_FUNC void luaF_freeproto ( lua_State L,
Proto f 
)

Definiert in Zeile 141 der Datei lfunc.c.

141  {
143  luaM_freearray(L, f->p, f->sizep, Proto *);
144  luaM_freearray(L, f->k, f->sizek, TValue);
145  luaM_freearray(L, f->lineinfo, f->sizelineinfo, int);
146  luaM_freearray(L, f->locvars, f->sizelocvars, struct LocVar);
148  luaM_free(L, f);
149 }
LUAI_FUNC void luaF_freeupval ( lua_State L,
UpVal uv 
)

Definiert in Zeile 89 der Datei lfunc.c.

89  {
90  if (uv->v != &uv->u.value) /* is it open? */
91  unlinkupval(uv); /* remove from open list */
92  luaM_free(L, uv); /* free upvalue */
93 }
LUAI_FUNC const char* luaF_getlocalname ( const Proto func,
int  local_number,
int  pc 
)

Definiert in Zeile 163 der Datei lfunc.c.

163  {
164  int i;
165  for (i = 0; i<f->sizelocvars && f->locvars[i].startpc <= pc; i++) {
166  if (pc < f->locvars[i].endpc) { /* is variable active? */
167  local_number--;
168  if (local_number == 0)
169  return getstr(f->locvars[i].varname);
170  }
171  }
172  return NULL; /* not found */
173 }
LUAI_FUNC Closure* luaF_newCclosure ( lua_State L,
int  nelems,
Table e 
)

Definiert in Zeile 23 der Datei lfunc.c.

23  {
24  Closure *c = cast(Closure *, luaM_malloc(L, sizeCclosure(nelems)));
26  c->c.isC = 1;
27  c->c.env = e;
28  c->c.nupvalues = cast_byte(nelems);
29  return c;
30 }
LUAI_FUNC Closure* luaF_newLclosure ( lua_State L,
int  nelems,
Table e 
)

Definiert in Zeile 33 der Datei lfunc.c.

33  {
34  Closure *c = cast(Closure *, luaM_malloc(L, sizeLclosure(nelems)));
36  c->l.isC = 0;
37  c->l.env = e;
38  c->l.nupvalues = cast_byte(nelems);
39  while (nelems--) c->l.upvals[nelems] = NULL;
40  return c;
41 }
LUAI_FUNC Proto* luaF_newproto ( lua_State L)

Definiert in Zeile 115 der Datei lfunc.c.

115  {
116  Proto *f = luaM_new(L, Proto);
117  luaC_link(L, obj2gco(f), LUA_TPROTO);
118  f->k = NULL;
119  f->sizek = 0;
120  f->p = NULL;
121  f->sizep = 0;
122  f->code = NULL;
123  f->sizecode = 0;
124  f->sizelineinfo = 0;
125  f->sizeupvalues = 0;
126  f->nups = 0;
127  f->upvalues = NULL;
128  f->numparams = 0;
129  f->is_vararg = 0;
130  f->maxstacksize = 0;
131  f->lineinfo = NULL;
132  f->sizelocvars = 0;
133  f->locvars = NULL;
134  f->linedefined = 0;
135  f->lastlinedefined = 0;
136  f->source = NULL;
137  return f;
138 }
LUAI_FUNC UpVal* luaF_newupval ( lua_State L)

Definiert in Zeile 44 der Datei lfunc.c.

44  {
45  UpVal *uv = luaM_new(L, UpVal);
46  luaC_link(L, obj2gco(uv), LUA_TUPVAL);
47  uv->v = &uv->u.value;
48  setnilvalue(uv->v);
49  return uv;
50 }