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commit 3fecf187ffda02ff7a18cfb8b0d340e2c0e77310
parent 54840fb25696ab30e11d2d80f3c18af6d1f01481
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date:   Fri, 15 Jan 1999 11:11:35 -0200

names...

Diffstat:
Mltm.c | 56+++++++++++++++++++++-----------------------------------
Mltm.h | 6+++---
2 files changed, 24 insertions(+), 38 deletions(-)

diff --git a/ltm.c b/ltm.c @@ -1,5 +1,5 @@ /* -** $Id: ltm.c,v 1.18 1998/12/22 18:10:50 roberto Exp roberto $ +** $Id: ltm.c,v 1.19 1999/01/13 19:08:10 roberto Exp roberto $ ** Tag methods ** See Copyright Notice in lua.h */ @@ -22,8 +22,7 @@ char *luaT_eventname[] = { /* ORDER IM */ }; -static int luaI_checkevent (char *name, char *list[]) -{ +static int luaI_checkevent (char *name, char *list[]) { int e = luaL_findstring(name, list); if (e < 0) luaL_verror("`%.50s' is not a valid event name", name); @@ -35,7 +34,7 @@ static int luaI_checkevent (char *name, char *list[]) /* events in LUA_T_NIL are all allowed, since this is used as a * 'placeholder' for "default" fallbacks */ -static char validevents[NUM_TAGS][IM_N] = { /* ORDER LUA_T, ORDER IM */ +static char luaT_validevents[NUM_TAGS][IM_N] = { /* ORDER LUA_T, ORDER IM */ {1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1}, /* LUA_T_USERDATA */ {1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1}, /* LUA_T_NUMBER */ {1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1}, /* LUA_T_STRING */ @@ -45,22 +44,19 @@ static char validevents[NUM_TAGS][IM_N] = { /* ORDER LUA_T, ORDER IM */ {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1} /* LUA_T_NIL */ }; - -static int validevent (int t, int e) { /* ORDER LUA_T */ - return (t < LUA_T_NIL) ? 1 : validevents[-t][e]; +static int luaT_validevent (int t, int e) { /* ORDER LUA_T */ + return (t < LUA_T_NIL) ? 1 : luaT_validevents[-t][e]; } -static void init_entry (int tag) -{ +static void init_entry (int tag) { int i; for (i=0; i<IM_N; i++) ttype(luaT_getim(tag, i)) = LUA_T_NIL; } -void luaT_init (void) -{ +void luaT_init (void) { int t; L->IMtable_size = NUM_TAGS*2; L->last_tag = -(NUM_TAGS-1); @@ -70,8 +66,7 @@ void luaT_init (void) } -int lua_newtag (void) -{ +int lua_newtag (void) { --L->last_tag; if ((-L->last_tag) >= L->IMtable_size) L->IMtable_size = luaM_growvector(&L->IMtable, L->IMtable_size, @@ -81,34 +76,30 @@ int lua_newtag (void) } -static void checktag (int tag) -{ +static void checktag (int tag) { if (!(L->last_tag <= tag && tag <= 0)) luaL_verror("%d is not a valid tag", tag); } -void luaT_realtag (int tag) -{ +void luaT_realtag (int tag) { if (!(L->last_tag <= tag && tag < LUA_T_NIL)) luaL_verror("tag %d is not result of `newtag'", tag); } -int lua_copytagmethods (int tagto, int tagfrom) -{ +int lua_copytagmethods (int tagto, int tagfrom) { int e; checktag(tagto); checktag(tagfrom); for (e=0; e<IM_N; e++) { - if (validevent(tagto, e)) + if (luaT_validevent(tagto, e)) *luaT_getim(tagto, e) = *luaT_getim(tagfrom, e); } return tagto; } -int luaT_efectivetag (TObject *o) -{ +int luaT_effectivetag (TObject *o) { int t; switch (t = ttype(o)) { case LUA_T_ARRAY: @@ -130,23 +121,21 @@ int luaT_efectivetag (TObject *o) } -TObject *luaT_gettagmethod (int t, char *event) -{ +TObject *luaT_gettagmethod (int t, char *event) { int e = luaI_checkevent(event, luaT_eventname); checktag(t); - if (validevent(t, e)) + if (luaT_validevent(t, e)) return luaT_getim(t,e); else return &luaO_nilobject; } -void luaT_settagmethod (int t, char *event, TObject *func) -{ +void luaT_settagmethod (int t, char *event, TObject *func) { TObject temp = *func; int e = luaI_checkevent(event, luaT_eventname); checktag(t); - if (!validevent(t, e)) + if (!luaT_validevent(t, e)) luaL_verror("cannot change tag method `%.20s' for type `%.20s'%.20s", luaT_eventname[e], luaO_typenames[-t], (t == LUA_T_ARRAY || t == LUA_T_USERDATA) ? " with default tag" @@ -189,23 +178,20 @@ static void errorFB (void) static void nilFB (void) { } -static void typeFB (void) -{ +static void typeFB (void) { lua_error("unexpected type"); } -static void fillvalids (IMS e, TObject *func) -{ +static void fillvalids (IMS e, TObject *func) { int t; for (t=LUA_T_NIL; t<=LUA_T_USERDATA; t++) - if (validevent(t, e)) + if (luaT_validevent(t, e)) *luaT_getim(t, e) = *func; } -void luaT_setfallback (void) -{ +void luaT_setfallback (void) { static char *oldnames [] = {"error", "getglobal", "arith", "order", NULL}; TObject oldfunc; lua_CFunction replace; diff --git a/ltm.h b/ltm.h @@ -1,5 +1,5 @@ /* -** $Id: ltm.h,v 1.3 1997/11/19 17:29:23 roberto Exp roberto $ +** $Id: ltm.h,v 1.4 1997/11/26 18:53:45 roberto Exp roberto $ ** Tag methods ** See Copyright Notice in lua.h */ @@ -45,14 +45,14 @@ struct IM { #define luaT_getim(tag,event) (&L->IMtable[-(tag)].int_method[event]) -#define luaT_getimbyObj(o,e) (luaT_getim(luaT_efectivetag(o),(e))) +#define luaT_getimbyObj(o,e) (luaT_getim(luaT_effectivetag(o),(e))) extern char *luaT_eventname[]; void luaT_init (void); void luaT_realtag (int tag); -int luaT_efectivetag (TObject *o); +int luaT_effectivetag (TObject *o); void luaT_settagmethod (int t, char *event, TObject *func); TObject *luaT_gettagmethod (int t, char *event); char *luaT_travtagmethods (int (*fn)(TObject *));