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lua
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Implementacao de funcoes para tratar Lua function em C e 

correcoes de bugs nas tabelas dinamicas.
This commit is contained in:
Waldemar Celes 1994-08-03 11:15:46 -03:00
parent 467288e5b3
commit b1e9b37883
4 changed files with 42 additions and 10 deletions
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4
lua.h
View File

@ -2,7 +2,7 @@
** LUA - Linguagem para Usuarios de Aplicacao
** Grupo de Tecnologia em Computacao Grafica
** TeCGraf - PUC-Rio
** $Id: $
** $Id: lua.h,v 1.1 1993/12/17 18:41:19 celes Exp celes $
*/
@ -20,6 +20,7 @@ void lua_error (char *s);
int lua_dofile (char *filename);
int lua_dostring (char *string);
int lua_call (char *functionname, int nparam);
int lua_callfunction (lua_Object function, int nparam);
lua_Object lua_getparam (int number);
float lua_getnumber (lua_Object object);
@ -48,6 +49,7 @@ int lua_isnil (lua_Object object);
int lua_isnumber (lua_Object object);
int lua_isstring (lua_Object object);
int lua_istable (lua_Object object);
int lua_isfunction (lua_Object object);
int lua_iscfunction (lua_Object object);
int lua_isuserdata (lua_Object object);

14
lua.stx
View File

@ -1,6 +1,6 @@
%{
char *rcs_luastx = "$Id: lua.stx,v 2.4 1994/04/20 16:22:21 celes Exp celes $";
char *rcs_luastx = "$Id: lua.stx,v 2.5 1994/07/19 21:27:18 celes Exp $";
#include <stdio.h>
#include <stdlib.h>
@ -113,10 +113,16 @@ static void flush_list (int m, int n)
if (m == 0)
code_byte(STORELIST0);
else
if (m < 255)
{
code_byte(STORELIST);
code_byte(m);
}
else
{
lua_error ("list constructor too long");
err = 1;
}
code_byte(n);
ntemp-=n;
}
@ -459,14 +465,14 @@ expr : '(' expr ')' { $$ = $2; }
typeconstructor: '@'
{
code_byte(PUSHBYTE);
$<vLong>$ = pc; code_byte(0);
code_byte(PUSHWORD);
$<vLong>$ = pc; code_word(0);
incr_ntemp();
code_byte(CREATEARRAY);
}
objectname fieldlist
{
basepc[$<vLong>2] = $4;
code_word_at(basepc+$<vLong>2, $4);
if ($3 < 0) /* there is no function to be called */
{
$$ = 1;

28
opcode.c
View File

@ -3,7 +3,7 @@
** TecCGraf - PUC-Rio
*/
char *rcs_opcode="$Id: opcode.c,v 2.1 1994/04/20 22:07:57 celes Exp celes $";
char *rcs_opcode="$Id: opcode.c,v 2.2 1994/07/19 21:27:18 celes Exp celes $";
#include <stdio.h>
#include <stdlib.h>
@ -26,7 +26,7 @@ char *rcs_opcode="$Id: opcode.c,v 2.1 1994/04/20 22:07:57 celes Exp celes $";
#define STACK_BUFFER (STACKGAP+128)
static Word maxstack;
static Long maxstack;
static Object *stack=NULL;
static Object *top, *base;
@ -683,6 +683,22 @@ int lua_call (char *functionname, int nparam)
return (lua_execute (startcode));
}
/*
** Execute the given lua function. Return 0 on success or 1 on error.
*/
int lua_callfunction (Object *function, int nparam)
{
static Byte startcode[] = {CALLFUNC, HALT};
int i;
if (tag(function) != T_FUNCTION) return 1;
for (i=1; i<=nparam; i++)
*(top-i+2) = *(top-i);
top += 2;
tag(top-nparam-1) = T_MARK;
*(top-nparam-2) = *function;
return (lua_execute (startcode));
}
/*
** Get a parameter, returning the object handle or NULL on error.
** 'number' must be 1 to get the first parameter.
@ -953,6 +969,14 @@ int lua_istable (Object *object)
return (object != NULL && tag(object) == T_ARRAY);
}
/*
** Given an object handle, return if it is a lua function.
*/
int lua_isfunction (Object *object)
{
return (object != NULL && tag(object) == T_FUNCTION);
}
/*
** Given an object handle, return if it is a cfunction one.
*/

6
table.c
View File

@ -3,7 +3,7 @@
** Module to control static tables
*/
char *rcs_table="$Id: table.c,v 2.1 1994/04/20 22:07:57 celes Exp celes $";
char *rcs_table="$Id: table.c,v 2.2 1994/07/19 21:27:18 celes Exp celes $";
#include <stdlib.h>
#include <string.h>
@ -23,11 +23,11 @@ char *rcs_table="$Id: table.c,v 2.1 1994/04/20 22:07:57 celes Exp celes $";
Symbol *lua_table;
static Word lua_ntable = 0;
static Word lua_maxsymbol = 0;
static Long lua_maxsymbol = 0;
char **lua_constant;
static Word lua_nconstant = 0;
static Word lua_maxconstant = 0;
static Long lua_maxconstant = 0;