mirror of
https://github.com/lua/lua
synced 2024-11-22 21:01:26 +03:00
details (mainly error messages)
This commit is contained in:
Roberto Ierusalimschy
parent
69d97712ec
commit
80b3d28f4a
6
lapi.c
6
lapi.c
@ -1,5 +1,5 @@
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/*
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** $Id: lapi.c,v 1.10 1997/11/27 18:25:14 roberto Exp roberto $
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** $Id: lapi.c,v 1.11 1997/11/28 16:56:05 roberto Exp roberto $
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** Lua API
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** See Copyright Notice in lua.h
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*/
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@ -142,7 +142,7 @@ lua_Object lua_rawgettable (void)
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{
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checkCparams(2);
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if (ttype(L->stack.top-2) != LUA_T_ARRAY)
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lua_error("indexed expression not a table in raw gettable");
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lua_error("indexed expression not a table in rawgettable");
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else {
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TObject *h = luaH_get(avalue(L->stack.top-2), L->stack.top-1);
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--L->stack.top;
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@ -490,7 +490,7 @@ char *lua_getobjname (lua_Object o, char **name)
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void lua_beginblock (void)
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{
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if (L->numCblocks >= MAX_C_BLOCKS)
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lua_error("`lua_beginblock': too many nested blocks");
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lua_error("too many nested blocks");
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L->Cblocks[L->numCblocks] = L->Cstack;
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L->numCblocks++;
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}
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17
lauxlib.c
17
lauxlib.c
@ -1,5 +1,5 @@
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/*
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** $Id: lauxlib.c,v 1.3 1997/11/04 15:27:53 roberto Exp roberto $
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** $Id: lauxlib.c,v 1.4 1997/11/21 19:00:46 roberto Exp roberto $
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** Auxiliar functions for building Lua libraries
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** See Copyright Notice in lua.h
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*/
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@ -55,6 +55,21 @@ double luaL_opt_number (int numArg, double def)
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{
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return (lua_getparam(numArg) == LUA_NOOBJECT) ? def :
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luaL_check_number(numArg);
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}
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lua_Object luaL_tablearg (int arg)
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{
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lua_Object o = lua_getparam(arg);
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luaL_arg_check(lua_istable(o), arg, "table expected");
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return o;
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}
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lua_Object luaL_functionarg (int arg)
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{
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lua_Object o = lua_getparam(arg);
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luaL_arg_check(lua_isfunction(o), arg, "function expected");
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return o;
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}
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lua_Object luaL_nonnullarg (int numArg)
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@ -1,5 +1,5 @@
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/*
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** $Id: lauxlib.h,v 1.2 1997/09/26 15:02:26 roberto Exp roberto $
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** $Id: lauxlib.h,v 1.3 1997/11/21 19:00:46 roberto Exp roberto $
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** Auxiliar functions for building Lua libraries
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** See Copyright Notice in lua.h
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*/
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@ -23,6 +23,8 @@ char *luaL_check_string (int numArg);
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char *luaL_opt_string (int numArg, char *def);
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double luaL_check_number (int numArg);
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double luaL_opt_number (int numArg, double def);
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lua_Object luaL_functionarg (int arg);
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lua_Object luaL_tablearg (int arg);
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lua_Object luaL_nonnullarg (int numArg);
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void luaL_verror (char *fmt, ...);
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39
lbuiltin.c
39
lbuiltin.c
@ -1,5 +1,5 @@
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/*
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** $Id: lbuiltin.c,v 1.13 1997/11/28 12:39:45 roberto Exp roberto $
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** $Id: lbuiltin.c,v 1.14 1997/12/01 20:30:44 roberto Exp roberto $
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** Built-in functions
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** See Copyright Notice in lua.h
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*/
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@ -23,21 +23,6 @@
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static lua_Object tablearg (int arg)
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{
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lua_Object o = lua_getparam(arg);
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luaL_arg_check(lua_istable(o), arg, "table expected");
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return o;
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}
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static lua_Object functionarg (int arg)
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{
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lua_Object o = lua_getparam(arg);
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luaL_arg_check(lua_isfunction(o), arg, "function expected");
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return o;
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}
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static void pushstring (TaggedString *s)
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{
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TObject o;
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@ -71,7 +56,7 @@ static void nextvar (void)
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static void foreachvar (void)
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{
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TObject f = *luaA_Address(functionarg(1));
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TObject f = *luaA_Address(luaL_functionarg(1));
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GCnode *g;
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StkId name = L->Cstack.base++; /* place to keep var name (to avoid GC) */
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ttype(L->stack.stack+name) = LUA_T_NIL;
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@ -95,7 +80,7 @@ static void foreachvar (void)
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static void next (void)
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{
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lua_Object o = tablearg(1);
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lua_Object o = luaL_tablearg(1);
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lua_Object r = luaL_nonnullarg(2);
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Node *n = luaH_next(luaA_Address(o), luaA_Address(r));
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if (n) {
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@ -107,8 +92,8 @@ static void next (void)
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static void foreach (void)
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{
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TObject t = *luaA_Address(tablearg(1));
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TObject f = *luaA_Address(functionarg(2));
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TObject t = *luaA_Address(luaL_tablearg(1));
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TObject f = *luaA_Address(luaL_functionarg(2));
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int i;
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for (i=0; i<avalue(&t)->nhash; i++) {
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Node *nd = &(avalue(&t)->node[i]);
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@ -165,7 +150,9 @@ static char *to_string (lua_Object obj)
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}
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case LUA_T_NIL:
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return "nil";
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default: return "<unknown object>";
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default:
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lua_error("internal error");
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return NULL; /* to avoid warnings */
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}
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}
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@ -203,9 +190,7 @@ static void lua_obj2number (void)
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static void luaI_error (void)
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{
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char *s = lua_getstring(lua_getparam(1));
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if (s == NULL) s = "(no message)";
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lua_error(s);
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lua_error(lua_getstring(lua_getparam(1)));
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}
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@ -262,7 +247,7 @@ static int getnarg (lua_Object table)
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static void luaI_call (void)
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{
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lua_Object f = luaL_nonnullarg(1);
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lua_Object arg = tablearg(2);
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lua_Object arg = luaL_tablearg(2);
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char *options = luaL_opt_string(3, "");
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lua_Object err = lua_getparam(4);
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int narg = getnarg(arg);
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@ -302,7 +287,7 @@ static void luaI_call (void)
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static void settag (void)
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{
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lua_Object o = tablearg(1);
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lua_Object o = luaL_tablearg(1);
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lua_pushobject(o);
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lua_settag(luaL_check_number(2));
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}
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@ -354,7 +339,7 @@ static void gettagmethod (void)
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static void seterrormethod (void)
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{
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lua_Object nf = functionarg(1);
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lua_Object nf = luaL_functionarg(1);
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lua_pushobject(nf);
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lua_pushobject(lua_seterrormethod());
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}
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5
ldo.c
5
ldo.c
@ -1,5 +1,5 @@
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/*
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** $Id: ldo.c,v 1.12 1997/11/26 20:44:52 roberto Exp roberto $
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** $Id: ldo.c,v 1.13 1997/11/27 18:25:14 roberto Exp roberto $
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** Stack and Call structure of Lua
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** See Copyright Notice in lua.h
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*/
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@ -381,6 +381,7 @@ int lua_dofile (char *filename)
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#define SIZE_PREF 20 /* size of string prefix to appear in error messages */
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#define SSIZE_PREF "20"
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int lua_dostring (char *str)
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@ -390,7 +391,7 @@ int lua_dostring (char *str)
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char *temp;
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ZIO z;
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if (str == NULL) return 1;
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sprintf(buff, "(dostring) >> %.20s", str);
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sprintf(buff, "(dostring) >> %." SSIZE_PREF "s", str);
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temp = strchr(buff, '\n');
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if (temp) *temp = 0; /* end string after first line */
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luaZ_sopen(&z, str);
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10
lfunc.c
10
lfunc.c
@ -1,6 +1,6 @@
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/*
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** $Id: lfunc.c,v 1.5 1997/10/24 17:17:24 roberto Exp roberto $
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** Lua Funcion auxiliar
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** $Id: lfunc.c,v 1.6 1997/11/19 17:29:23 roberto Exp roberto $
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** Auxiliar functions to manipulate prototypes and closures
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** See Copyright Notice in lua.h
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*/
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@ -11,8 +11,8 @@
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#include "lmem.h"
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#include "lstate.h"
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#define gcsizeproto(p) 5
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#define gcsizeclosure(c) 1
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#define gcsizeproto(p) 5 /* approximate "weight" for a prototype */
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#define gcsizeclosure(c) 1 /* approximate "weight" for a closure */
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@ -83,7 +83,7 @@ void luaF_freeclosure (Closure *l)
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/*
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** Look for n-esim local variable at line "line" in function "func".
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** Look for n-th local variable at line "line" in function "func".
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** Returns NULL if not found.
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*/
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char *luaF_getlocalname (TProtoFunc *func, int local_number, int line)
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3
lgc.c
3
lgc.c
@ -1,5 +1,5 @@
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/*
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** $Id: lgc.c,v 1.9 1997/11/27 15:59:25 roberto Exp roberto $
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** $Id: lgc.c,v 1.10 1997/12/01 20:31:25 roberto Exp roberto $
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** Garbage Collector
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** See Copyright Notice in lua.h
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*/
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@ -268,7 +268,6 @@ long lua_collectgarbage (long limit)
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luaF_freeclosure(freeclos);
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luaM_clearbuffer();
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recovered = recovered-L->nblocks;
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/*printf("==total %ld coletados %ld\n", L->nblocks+recovered, recovered);*/
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L->GCthreshold = (limit == 0) ? 2*L->nblocks : L->nblocks+limit;
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return recovered;
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}
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8
liolib.c
8
liolib.c
@ -1,5 +1,5 @@
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/*
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** $Id: liolib.c,v 1.7 1997/11/27 15:59:44 roberto Exp roberto $
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** $Id: liolib.c,v 1.8 1997/11/28 12:40:37 roberto Exp roberto $
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** Standard I/O (and system) library
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** See Copyright Notice in lua.h
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*/
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@ -28,7 +28,7 @@
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#define LC_MONETARY 0
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#define LC_NUMERIC 0
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#define LC_TIME 0
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#define strerror(e) "O.S. is unable to define the error"
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#define strerror(e) "(no error message provided by operating system)"
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#endif
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@ -72,7 +72,7 @@ static int ishandler (lua_Object f)
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{
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if (lua_isuserdata(f)) {
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if (lua_tag(f) == gettag(CLOSEDTAG))
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lua_error("trying to access a closed file");
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lua_error("cannot access a closed file");
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return lua_tag(f) == gettag(IOTAG);
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}
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else return 0;
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@ -82,7 +82,7 @@ static FILE *getfile (char *name)
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{
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lua_Object f = lua_getglobal(name);
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if (!ishandler(f))
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luaL_verror("global variable %.50s is not a file handle", name);
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luaL_verror("global variable `%.50s' is not a file handle", name);
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return lua_getuserdata(f);
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}
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8
llex.c
8
llex.c
@ -1,5 +1,5 @@
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/*
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** $Id: llex.c,v 1.8 1997/11/21 19:00:46 roberto Exp roberto $
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** $Id: llex.c,v 1.9 1997/12/02 12:43:54 roberto Exp roberto $
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** Lexical Analizer
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** See Copyright Notice in lua.h
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*/
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@ -166,7 +166,7 @@ static void inclinenumber (LexState *LS)
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/* go through */
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case 5: /* if */
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if (LS->iflevel == MAX_IFS-1)
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luaY_syntaxerror("too many nested `$ifs'", "$if");
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luaY_syntaxerror("too many nested $ifs", "$if");
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readname(LS, buff);
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LS->iflevel++;
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LS->ifstate[LS->iflevel].elsepart = 0;
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@ -181,7 +181,7 @@ static void inclinenumber (LexState *LS)
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LS->ifstate[LS->iflevel].condition;
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break;
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default:
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luaY_syntaxerror("invalid pragma", buff);
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luaY_syntaxerror("unknown pragma", buff);
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}
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skipspace(LS);
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if (LS->current == '\n') /* pragma must end with a '\n' ... */
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@ -414,7 +414,7 @@ int luaY_lex (YYSTYPE *l)
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case EOZ:
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save(LS, 0);
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if (LS->iflevel > 0)
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luaY_error("missing $endif");
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luaY_syntaxerror("input ends inside a $if", "");
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return 0;
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default:
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25
lmathlib.c
25
lmathlib.c
@ -1,5 +1,5 @@
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/*
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** $Id: lmathlib.c,v 1.5 1997/11/19 18:16:33 roberto Exp roberto $
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** $Id: lmathlib.c,v 1.6 1997/11/28 12:39:22 roberto Exp roberto $
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** Lua standard mathematical library
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** See Copyright Notice in lua.h
|
||||
*/
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@ -12,28 +12,15 @@
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#include "lua.h"
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#include "lualib.h"
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#ifndef PI
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#ifdef M_PI
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#define PI M_PI
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#else
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#define PI ((double)3.14159265358979323846)
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#endif
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#define FROMRAD(a) ((a)/torad())
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#define TORAD(a) ((a)*torad())
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|
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static double torad (void)
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{
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char *s = luaL_opt_string(2, "d");
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switch (*s) {
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case 'd' : return PI/180.0;
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case 'r' : return (double)1.0;
|
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case 'g' : return PI/50.0;
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default:
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luaL_arg_check(0, 2, "invalid mode");
|
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return 0; /* to avoid warnings */
|
||||
}
|
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}
|
||||
#define FROMRAD(a) ((a)*(180.0/PI))
|
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#define TORAD(a) ((a)*(PI/180.0))
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|
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|
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static void math_abs (void)
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@ -1,6 +1,6 @@
|
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/*
|
||||
** $Id: lstring.c,v 1.6 1997/11/21 19:00:46 roberto Exp roberto $
|
||||
** String table (keep all strings handled by Lua)
|
||||
** $Id: lstring.c,v 1.7 1997/12/01 20:31:25 roberto Exp roberto $
|
||||
** String table (keeps all strings handled by Lua)
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
|
||||
@ -17,7 +17,7 @@
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||||
#define NUM_HASHS 61
|
||||
|
||||
|
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#define gcsizestring(l) (1+(l/64))
|
||||
#define gcsizestring(l) (1+(l/64)) /* "weight" for a string with length 'l' */
|
||||
|
||||
|
||||
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
/*
|
||||
** $Id: lstrlib.c,v 1.1 1997/09/16 19:25:59 roberto Exp roberto $
|
||||
** $Id: lstrlib.c,v 1.2 1997/11/26 18:53:45 roberto Exp roberto $
|
||||
** Standard library for strings and pattern-matching
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
@ -283,7 +283,7 @@ static char *matchitem (char *s, char *p, int level, char **ep)
|
||||
else if (*p == 'b') { /* balanced string */
|
||||
p++;
|
||||
if (*p == 0 || *(p+1) == 0)
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||||
lua_error("bad balanced pattern specification");
|
||||
lua_error("unbalanced pattern");
|
||||
*ep = p+2;
|
||||
return matchbalance(s, *p, *(p+1));
|
||||
}
|
||||
@ -484,7 +484,7 @@ static void str_format (void)
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||||
arg++;
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||||
strncpy(form+1, initf, strfrmt-initf+1); /* +1 to include convertion */
|
||||
form[strfrmt-initf+2] = 0;
|
||||
buff = openspace(1000); /* to store the formated value */
|
||||
buff = openspace(1000); /* to store the formatted value */
|
||||
switch (*strfrmt++) {
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||||
case 'q':
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||||
luaI_addquoted(luaL_check_string(arg));
|
||||
@ -503,7 +503,7 @@ static void str_format (void)
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sprintf(buff, form, luaL_check_number(arg));
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||||
break;
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||||
default: /* also treat cases 'pnLlh' */
|
||||
lua_error("invalid format option in function `format'");
|
||||
lua_error("invalid option in `format'");
|
||||
}
|
||||
lbuffer.size += strlen(buff);
|
||||
}
|
||||
|
||||
4
ltable.c
4
ltable.c
@ -1,5 +1,5 @@
|
||||
/*
|
||||
** $Id: ltable.c,v 1.6 1997/11/19 17:29:23 roberto Exp roberto $
|
||||
** $Id: ltable.c,v 1.7 1997/11/21 19:00:46 roberto Exp roberto $
|
||||
** Lua tables (hash)
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
@ -44,7 +44,7 @@ static long int hashindex (TObject *ref)
|
||||
break;
|
||||
default:
|
||||
lua_error("unexpected type to index table");
|
||||
h = 0; /* UNREACHEABLE */
|
||||
h = 0; /* to avoid warnings */
|
||||
}
|
||||
return (h >= 0 ? h : -(h+1));
|
||||
}
|
||||
|
||||
8
lua.h
8
lua.h
@ -1,13 +1,15 @@
|
||||
/*
|
||||
** $Id: lua.h,v 1.7 1997/11/27 18:25:14 roberto Exp roberto $
|
||||
** $Id: lua.h,v 1.8 1997/12/01 20:31:25 roberto Exp roberto $
|
||||
** Lua - An Extensible Extension Language
|
||||
** TeCGraf: Grupo de Tecnologia em Computacao Grafica, PUC-Rio, Brazil
|
||||
** e-mail: lua@tecgraf.puc-rio.br
|
||||
** www: http://www.tecgraf.puc-rio.br/lua/
|
||||
*/
|
||||
|
||||
/*********************************************************************
|
||||
* Copyright © 1994-1996 TeCGraf, PUC-Rio. Written by Waldemar Ce
|
||||
* les Filho, Roberto Ierusalimschy and Luiz Henrique de Figueiredo.
|
||||
* Copyright © 1994-1996 TeCGraf, PUC-Rio.
|
||||
* Written by Waldemar Celes Filho, Roberto Ierusalimschy and
|
||||
* Luiz Henrique de Figueiredo.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Permission is hereby granted, without written agreement and with
|
||||
|
||||
24
lua.stx
24
lua.stx
@ -1,6 +1,6 @@
|
||||
%{
|
||||
/*
|
||||
** $Id: lua.stx,v 1.19 1997/11/21 19:00:46 roberto Exp roberto $
|
||||
** $Id: lua.stx,v 1.20 1997/12/02 12:43:54 roberto Exp roberto $
|
||||
** Syntax analizer and code generator
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
@ -26,6 +26,10 @@
|
||||
int luaY_parse (void);
|
||||
|
||||
|
||||
#define AMES_LIM(x) #x
|
||||
#define MES_LIM(x) "(limit=" AMES_LIM(x) ")"
|
||||
|
||||
|
||||
/* size of a "normal" jump instruction: OpCode + 1 byte */
|
||||
#define JMPSIZE 2
|
||||
|
||||
@ -43,6 +47,8 @@ int luaY_parse (void);
|
||||
/* maximum number of upvalues */
|
||||
#define MAXUPVALUES 16
|
||||
|
||||
|
||||
|
||||
/*
|
||||
** Variable descriptor:
|
||||
** if 0<n<MINGLOBAL, represents local variable indexed by (n-1);
|
||||
@ -132,7 +138,7 @@ static void deltastack (int delta)
|
||||
L->currState->stacksize += delta;
|
||||
if (L->currState->stacksize > L->currState->maxstacksize) {
|
||||
if (L->currState->stacksize > 255)
|
||||
luaY_error("function/expression too complex (limit 256)");
|
||||
luaY_error("function/expression too complex");
|
||||
L->currState->maxstacksize = L->currState->stacksize;
|
||||
}
|
||||
}
|
||||
@ -156,7 +162,7 @@ static int code_oparg_at (int pc, OpCode op, int builtin, int arg, int delta)
|
||||
L->currState->f->code[pc+2] = arg>>8;
|
||||
return 3;
|
||||
}
|
||||
else luaY_error("code too long (limit 64K)");
|
||||
else luaY_error("code too long " MES_LIM(64K));
|
||||
return 0; /* to avoid warnings */
|
||||
}
|
||||
|
||||
@ -314,7 +320,7 @@ static void store_localvar (TaggedString *name, int n)
|
||||
if (L->currState->nlocalvar+n < MAXLOCALS)
|
||||
L->currState->localvar[L->currState->nlocalvar+n] = name;
|
||||
else
|
||||
luaY_error("too many local variables (limit 32)");
|
||||
luaY_error("too many local variables " MES_LIM(MAXLOCALS));
|
||||
luaI_registerlocalvar(name, L->lexstate->linenumber);
|
||||
}
|
||||
|
||||
@ -341,7 +347,7 @@ static vardesc var2store (vardesc var)
|
||||
static void add_varbuffer (vardesc var, int n)
|
||||
{
|
||||
if (n >= MAXVAR)
|
||||
luaY_error("variable buffer overflow (limit 32)");
|
||||
luaY_error("variable buffer overflow " MES_LIM(MAXVAR));
|
||||
L->currState->varbuffer[n] = var2store(var);
|
||||
}
|
||||
|
||||
@ -379,7 +385,7 @@ static int indexupvalue (TaggedString *n)
|
||||
}
|
||||
/* new one */
|
||||
if (++(L->currState->nupvalues) > MAXUPVALUES)
|
||||
luaY_error("too many upvalues in a single function (limit 16)");
|
||||
luaY_error("too many upvalues in a single function " MES_LIM(MAXUPVALUES));
|
||||
L->currState->upvalues[i] = v; /* i = L->currState->nupvalues - 1 */
|
||||
return i;
|
||||
}
|
||||
@ -493,7 +499,7 @@ static int lua_codestore (int i, int left)
|
||||
}
|
||||
else { /* indexed var with values in between*/
|
||||
code_oparg(SETTABLE, 0, left+i, -1);
|
||||
return left+2; /* table/index are not poped, since they are not on top */
|
||||
return left+2; /* table/index are not popped, since they are not on top */
|
||||
}
|
||||
}
|
||||
|
||||
@ -580,7 +586,7 @@ static void init_state (TaggedString *filename)
|
||||
static void init_func (void)
|
||||
{
|
||||
if (L->currState-L->mainState >= MAXSTATES-1)
|
||||
luaY_error("too many nested functions (limit 6)");
|
||||
luaY_error("too many nested functions " MES_LIM(MAXSTATES));
|
||||
L->currState++;
|
||||
init_state(L->mainState->f->fileName);
|
||||
luaY_codedebugline(L->lexstate->linenumber);
|
||||
@ -604,7 +610,7 @@ static TProtoFunc *close_func (void)
|
||||
|
||||
|
||||
/*
|
||||
** Parse LUA code.
|
||||
** Parse Lua code.
|
||||
*/
|
||||
TProtoFunc *luaY_parser (ZIO *z, char *chunkname)
|
||||
{
|
||||
|
||||
6
lvm.c
6
lvm.c
@ -1,5 +1,5 @@
|
||||
/*
|
||||
** $Id: lvm.c,v 1.14 1997/11/19 17:29:23 roberto Exp roberto $
|
||||
** $Id: lvm.c,v 1.15 1997/11/21 19:00:46 roberto Exp roberto $
|
||||
** Lua virtual machine
|
||||
** See Copyright Notice in lua.h
|
||||
*/
|
||||
@ -213,7 +213,7 @@ static void call_binTM (IMS event, char *msg)
|
||||
|
||||
static void call_arith (IMS event)
|
||||
{
|
||||
call_binTM(event, "unexpected type at arithmetic operation");
|
||||
call_binTM(event, "unexpected type in arithmetic operation");
|
||||
}
|
||||
|
||||
|
||||
@ -229,7 +229,7 @@ static void comparison (lua_Type ttype_less, lua_Type ttype_equal,
|
||||
else if (ttype(l) == LUA_T_STRING && ttype(r) == LUA_T_STRING)
|
||||
result = strcoll(svalue(l), svalue(r));
|
||||
else {
|
||||
call_binTM(op, "unexpected type at comparison");
|
||||
call_binTM(op, "unexpected type in comparison");
|
||||
return;
|
||||
}
|
||||
S->top--;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user