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tags T_NIL, etc, changed to LUA_T_NIL, etc

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some lua_ functions changed form opcode.c to here
This commit is contained in:
Roberto Ierusalimschy 1994-11-02 18:29:39 -02:00
parent 0162decc58
commit ae77864844
2 changed files with 87 additions and 11 deletions
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91
inout.c
View File

@ -2,9 +2,10 @@
** inout.c ** inout.c
** Provide function to realise the input/output function and debugger ** Provide function to realise the input/output function and debugger
** facilities. ** facilities.
** Also provides some predefined lua functions.
*/ */
char *rcs_inout="$Id: inout.c,v 2.4 1994/10/11 14:38:17 celes Exp $"; char *rcs_inout="$Id: inout.c,v 2.5 1994/10/17 19:04:19 celes Exp roberto $";
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
@ -108,15 +109,6 @@ void lua_closestring (void)
lua_delfile(); lua_delfile();
} }
/*
** Call user function to handle error messages, if registred. Or report error
** using standard function (fprintf).
*/
void lua_error (char *s)
{
if (usererror != NULL) usererror (s);
else fprintf (stderr, "lua: %s\n", s);
}
/* /*
** Called to execute SETFUNCTION opcode, this function pushs a function into ** Called to execute SETFUNCTION opcode, this function pushs a function into
@ -176,3 +168,82 @@ void lua_reportbug (char *s)
lua_error (msg); lua_error (msg);
} }
/*
** Internal function: do a string
*/
void lua_internaldostring (void)
{
lua_Object obj = lua_getparam (1);
if (lua_isstring(obj) && !lua_dostring(lua_getstring(obj)))
lua_pushnumber(1);
else
lua_pushnil();
}
/*
** Internal function: do a file
*/
void lua_internaldofile (void)
{
lua_Object obj = lua_getparam (1);
if (lua_isstring(obj) && !lua_dofile(lua_getstring(obj)))
lua_pushnumber(1);
else
lua_pushnil();
}
/*
** Internal function: print object values
*/
void lua_print (void)
{
int i=1;
Object *obj;
while ((obj=lua_getparam (i++)) != NULL)
{
if (lua_isnumber(obj)) printf("%g\n",lua_getnumber (obj));
else if (lua_isstring(obj)) printf("%s\n",lua_getstring (obj));
else if (lua_isfunction(obj)) printf("function: %p\n",bvalue(obj));
else if (lua_iscfunction(obj)) printf("cfunction: %p\n",lua_getcfunction (obj)
);
else if (lua_isuserdata(obj)) printf("userdata: %p\n",lua_getuserdata (obj));
else if (lua_istable(obj)) printf("table: %p\n",obj);
else if (lua_isnil(obj)) printf("nil\n");
else printf("invalid value to print\n");
}
}
/*
** Internal function: return an object type.
*/
void lua_type (void)
{
Object *o = lua_getparam(1);
switch (tag(o))
{
case LUA_T_NIL :
lua_pushstring("nil");
break;
case LUA_T_NUMBER :
lua_pushstring("number");
break;
case LUA_T_STRING :
lua_pushstring("string");
break;
case LUA_T_ARRAY :
lua_pushstring("table");
break;
case LUA_T_FUNCTION :
lua_pushstring("function");
break;
case LUA_T_CFUNCTION :
lua_pushstring("cfunction");
break;
default :
lua_pushstring("userdata");
break;
}
}

7
inout.h
View File

@ -1,5 +1,5 @@
/* /*
** $Id: inout.h,v 1.1 1993/12/17 18:41:19 celes Exp $ ** $Id: inout.h,v 1.2 1994/10/11 14:38:17 celes Exp roberto $
*/ */
@ -18,4 +18,9 @@ int lua_pushfunction (char *file, int function);
void lua_popfunction (void); void lua_popfunction (void);
void lua_reportbug (char *s); void lua_reportbug (char *s);
void lua_internaldofile (void);
void lua_internaldostring (void);
void lua_print (void);
void lua_type (void);
#endif #endif