mirror of
https://github.com/lua/lua
synced 2024-12-24 03:16:50 +03:00
tags T_NIL, etc, changed to LUA_T_NIL, etc
some lua_ functions changed form opcode.c to here
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91
inout.c
91
inout.c
@ -2,9 +2,10 @@
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** inout.c
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** Provide function to realise the input/output function and debugger
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** facilities.
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** Also provides some predefined lua functions.
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*/
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char *rcs_inout="$Id: inout.c,v 2.4 1994/10/11 14:38:17 celes Exp $";
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char *rcs_inout="$Id: inout.c,v 2.5 1994/10/17 19:04:19 celes Exp roberto $";
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#include <stdio.h>
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#include <stdlib.h>
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@ -108,15 +109,6 @@ void lua_closestring (void)
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lua_delfile();
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}
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/*
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** Call user function to handle error messages, if registred. Or report error
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** using standard function (fprintf).
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*/
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void lua_error (char *s)
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{
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if (usererror != NULL) usererror (s);
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else fprintf (stderr, "lua: %s\n", s);
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}
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/*
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** Called to execute SETFUNCTION opcode, this function pushs a function into
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@ -176,3 +168,82 @@ void lua_reportbug (char *s)
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lua_error (msg);
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}
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/*
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** Internal function: do a string
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*/
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void lua_internaldostring (void)
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{
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lua_Object obj = lua_getparam (1);
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if (lua_isstring(obj) && !lua_dostring(lua_getstring(obj)))
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lua_pushnumber(1);
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else
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lua_pushnil();
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}
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/*
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** Internal function: do a file
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*/
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void lua_internaldofile (void)
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{
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lua_Object obj = lua_getparam (1);
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if (lua_isstring(obj) && !lua_dofile(lua_getstring(obj)))
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lua_pushnumber(1);
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else
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lua_pushnil();
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}
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/*
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** Internal function: print object values
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*/
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void lua_print (void)
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{
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int i=1;
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Object *obj;
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while ((obj=lua_getparam (i++)) != NULL)
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{
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if (lua_isnumber(obj)) printf("%g\n",lua_getnumber (obj));
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else if (lua_isstring(obj)) printf("%s\n",lua_getstring (obj));
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else if (lua_isfunction(obj)) printf("function: %p\n",bvalue(obj));
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else if (lua_iscfunction(obj)) printf("cfunction: %p\n",lua_getcfunction (obj)
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);
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else if (lua_isuserdata(obj)) printf("userdata: %p\n",lua_getuserdata (obj));
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else if (lua_istable(obj)) printf("table: %p\n",obj);
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else if (lua_isnil(obj)) printf("nil\n");
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else printf("invalid value to print\n");
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}
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}
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/*
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** Internal function: return an object type.
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*/
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void lua_type (void)
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{
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Object *o = lua_getparam(1);
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switch (tag(o))
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{
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case LUA_T_NIL :
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lua_pushstring("nil");
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break;
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case LUA_T_NUMBER :
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lua_pushstring("number");
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break;
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case LUA_T_STRING :
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lua_pushstring("string");
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break;
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case LUA_T_ARRAY :
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lua_pushstring("table");
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break;
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case LUA_T_FUNCTION :
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lua_pushstring("function");
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break;
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case LUA_T_CFUNCTION :
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lua_pushstring("cfunction");
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break;
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default :
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lua_pushstring("userdata");
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break;
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}
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}
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7
inout.h
7
inout.h
@ -1,5 +1,5 @@
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/*
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** $Id: inout.h,v 1.1 1993/12/17 18:41:19 celes Exp $
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** $Id: inout.h,v 1.2 1994/10/11 14:38:17 celes Exp roberto $
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*/
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@ -18,4 +18,9 @@ int lua_pushfunction (char *file, int function);
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void lua_popfunction (void);
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void lua_reportbug (char *s);
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void lua_internaldofile (void);
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void lua_internaldostring (void);
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void lua_print (void);
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void lua_type (void);
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#endif
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