integration with undump (execution of pre-compiled chuncks)

This commit is contained in:
Roberto Ierusalimschy 1996-03-15 10:13:13 -03:00
parent f86c1367db
commit 3e1f731826
2 changed files with 32 additions and 29 deletions

View File

@ -3,7 +3,7 @@
** TecCGraf - PUC-Rio
*/
char *rcs_opcode="$Id: opcode.c,v 3.58 1996/02/22 20:34:33 roberto Exp roberto $";
char *rcs_opcode="$Id: opcode.c,v 3.59 1996/03/04 14:46:35 roberto Exp roberto $";
#include <setjmp.h>
#include <stdlib.h>
@ -18,6 +18,7 @@ char *rcs_opcode="$Id: opcode.c,v 3.58 1996/02/22 20:34:33 roberto Exp roberto $
#include "table.h"
#include "lua.h"
#include "fallback.h"
#include "undump.h"
#define tonumber(o) ((tag(o) != LUA_T_NUMBER) && (lua_tonumber(o) != 0))
#define tostring(o) ((tag(o) != LUA_T_STRING) && (lua_tostring(o) != 0))
@ -128,17 +129,9 @@ static void growstack (void)
*/
static char *lua_strconc (char *l, char *r)
{
static char *buffer = NULL;
static int buffer_size = 0;
int nl = strlen(l);
int n = nl+strlen(r)+1;
if (n > buffer_size)
{
buffer_size = n;
luaI_free(buffer);
buffer = newvector(buffer_size, char);
}
strcpy(buffer,l);
int nl = strlen(l);
char *buffer = luaI_buffer(nl+strlen(r)+1);
strcpy(buffer, l);
strcpy(buffer+nl, r);
return buffer;
}
@ -171,7 +164,7 @@ static int lua_tonumber (Object *obj)
*/
static int lua_tostring (Object *obj)
{
static char s[256];
char s[256];
if (tag(obj) != LUA_T_NUMBER)
return 1;
if ((int) nvalue(obj) == nvalue(obj))
@ -179,8 +172,6 @@ static int lua_tostring (Object *obj)
else
sprintf (s, "%g", nvalue(obj));
tsvalue(obj) = lua_createstring(s);
if (tsvalue(obj) == NULL)
return 1;
tag(obj) = LUA_T_STRING;
return 0;
}
@ -500,6 +491,16 @@ static int do_protectedrun (int nResults)
return status;
}
int luaI_dorun (TFunc *tf)
{
int status;
adjustC(1); /* one slot for the pseudo-function */
stack[CBase].tag = LUA_T_FUNCTION;
stack[CBase].value.tf = tf;
status = do_protectedrun(0);
adjustC(0);
return status;
}
static int do_protectedmain (void)
{
@ -508,15 +509,12 @@ static int do_protectedmain (void)
jmp_buf myErrorJmp;
jmp_buf *oldErr = errorJmp;
errorJmp = &myErrorJmp;
adjustC(1); /* one slot for the pseudo-function */
stack[CBase].tag = LUA_T_FUNCTION;
stack[CBase].value.tf = &tf;
luaI_initTFunc(&tf);
tf.fileName = lua_parsedfile;
if (setjmp(myErrorJmp) == 0)
{
lua_parse(&tf);
status = do_protectedrun(0);
status = luaI_dorun(&tf);
}
else
{
@ -561,9 +559,13 @@ int lua_call (char *funcname)
int lua_dofile (char *filename)
{
int status;
if (lua_openfile(filename))
int c;
FILE *f = lua_openfile(filename);
if (f == NULL)
return 1;
status = do_protectedmain();
c = fgetc(f);
ungetc(c, f);
status = (c == ID_CHUNK) ? luaI_undump(f) : do_protectedmain();
lua_closefile();
return status;
}
@ -622,8 +624,9 @@ static StkId Cblocks[MAX_C_BLOCKS];
*/
void lua_beginblock (void)
{
if (numCblocks < MAX_C_BLOCKS)
Cblocks[numCblocks] = CBase;
if (numCblocks >= MAX_C_BLOCKS)
lua_error("`lua_beginblock': too many nested blocks");
Cblocks[numCblocks] = CBase;
numCblocks++;
}
@ -633,11 +636,8 @@ void lua_beginblock (void)
void lua_endblock (void)
{
--numCblocks;
if (numCblocks < MAX_C_BLOCKS)
{
CBase = Cblocks[numCblocks];
adjustC(0);
}
CBase = Cblocks[numCblocks];
adjustC(0);
}
/*
@ -793,6 +793,8 @@ void lua_pushstring (char *s)
}
incr_top;
}
/*>>>>>>>>>#undef lua_pushliteral
void lua_pushliteral(char *s) { lua_pushstring(s); }*/
/*
** Push an object (tag=cfunction) to stack.

View File

@ -1,6 +1,6 @@
/*
** TeCGraf - PUC-Rio
** $Id: opcode.h,v 3.18 1996/03/01 16:54:00 roberto Exp $
** $Id: opcode.h,v 3.19 1996/03/06 13:11:23 roberto Exp $
*/
#ifndef opcode_h
@ -138,5 +138,6 @@ void lua_travstack (int (*fn)(Object *));
Object *luaI_Address (lua_Object o);
void luaI_pushobject (Object *o);
void luaI_gcFB (Object *o);
int luaI_dorun (TFunc *tf);
#endif