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removed support for local vars

This commit is contained in:
Luiz Henrique de Figueiredo 1996-03-06 13:01:08 -03:00
parent b58225e93b
commit 9a6cccb08c
1 changed files with 25 additions and 37 deletions
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62
undump.c
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@ -3,7 +3,7 @@
** load bytecodes from files
*/
char *rcs_undump="$Id: undump.c,v 1.7 1996/03/01 03:43:50 lhf Exp lhf $";
char* rcs_undump="$Id: undump.c,v 1.8 1996/03/06 01:41:18 lhf Exp lhf $";
#include <stdio.h>
#include <string.h>
@ -12,23 +12,23 @@ char *rcs_undump="$Id: undump.c,v 1.7 1996/03/01 03:43:50 lhf Exp lhf $";
static int swapword=0;
static int swapfloat=0;
static void warn(char *s) /* TODO: remove */
static void warn(char* s) /* TODO: remove */
{
fprintf(stderr,"undump: %s\n",s);
}
static void panic(char *s) /* TODO: remove */
static void panic(char* s) /* TODO: remove */
{
warn(s);
exit(1);
}
static void Unthread(Byte *code, int i, int v)
static void Unthread(Byte* code, int i, int v)
{
while (i!=0)
{
CodeWord c;
Byte *p=code+i;
Byte* p=code+i;
get_word(c,p);
i=c.w;
c.w=v;
@ -37,38 +37,39 @@ static void Unthread(Byte *code, int i, int v)
}
}
static int LoadWord(FILE *D)
static int LoadWord(FILE* D)
{
Word w;
fread(&w,sizeof(w),1,D);
if (swapword)
{
Byte *p=&w;
Byte* p=&w;
Byte t;
t=p[0]; p[0]=p[1]; p[1]=t;
}
return w;
}
static char* LoadBlock(int size, FILE *D)
static char* LoadBlock(int size, FILE* D)
{
char *b=luaI_malloc(size);
char* b=luaI_malloc(size);
fread(b,size,1,D);
return b;
}
static char* LoadString(FILE *D)
static char* LoadString(FILE* D)
{
return LoadBlock(LoadWord(D),D);
}
static TFunc *Main=NULL;
static TFunc *lastF=NULL;
static TFunc* Main=NULL;
static TFunc* lastF=NULL;
static void LoadFunction(FILE *D)
static void LoadFunction(FILE* D)
{
TFunc *tf=new(TFunc);
TFunc* tf=new(TFunc);
tf->next=NULL;
tf->locvars=NULL;
tf->size=LoadWord(D); /* TODO: Long? */
tf->lineDefined=LoadWord(D);
if (IsMain(tf)) /* new main */
@ -79,7 +80,7 @@ static void LoadFunction(FILE *D)
else /* fix PUSHFUNCTION */
{
CodeCode c;
Byte *p;
Byte* p;
tf->marked=LoadWord(D);
tf->fileName=Main->fileName;
p=Main->code+tf->marked;
@ -98,30 +99,17 @@ static void LoadFunction(FILE *D)
if (c==ID_VAR) /* global var */
{
int i=LoadWord(D);
char *s=LoadString(D);
char* s=LoadString(D);
int v=luaI_findsymbolbyname(s); /* TODO: free s? */
Unthread(tf->code,i,v);
}
else if (c==ID_STR) /* constant string */
{
int i=LoadWord(D);
char *s=LoadString(D);
char* s=LoadString(D);
int v=luaI_findconstantbyname(s); /* TODO: free s? */
Unthread(tf->code,i,v);
}
else if (c==ID_LOC) /* local vars */
{
int n=LoadWord(D);
LocVar *v;
if (n==0) continue;
tf->locvars=v=newvector(n,LocVar);
while (n--)
{
LocLoc(v)=LoadWord(D);
LoadString(D); /* TODO: how to save it? */
++v;
}
}
else
{
ungetc(c,D);
@ -130,15 +118,15 @@ static void LoadFunction(FILE *D)
}
}
static void LoadSignature(FILE *D)
static void LoadSignature(FILE* D)
{
char *s=SIGNATURE;
char* s=SIGNATURE;
while (*s!=0 && getc(D)==*s)
++s;
if (*s!=0) panic("bad signature");
}
static void LoadHeader(FILE *D) /* TODO: error handling */
static void LoadHeader(FILE* D) /* TODO: error handling */
{
Word w,tw=TEST_WORD;
float f,tf=TEST_FLOAT;
@ -158,7 +146,7 @@ static void LoadHeader(FILE *D) /* TODO: error handling */
}
}
static void LoadChunk(FILE *D)
static void LoadChunk(FILE* D)
{
LoadHeader(D);
while (1)
@ -168,14 +156,14 @@ static void LoadChunk(FILE *D)
}
#if 1
{ /* TODO: run Main? */
TFunc *tf;
TFunc* tf;
for (tf=Main; tf!=NULL; tf=tf->next)
PrintFunction(tf);
}
#endif
}
void luaI_undump(FILE *D)
void luaI_undump(FILE* D)
{
while (1)
{
@ -192,7 +180,7 @@ void luaI_undump(FILE *D)
int main(int argc, char* argv[])
{
char* fn=(argc>1)? argv[1] : "luac.out";
FILE *f=freopen(fn,"rb",stdin);
FILE* f=freopen(fn,"rb",stdin);
if (f==NULL)
{
fprintf(stderr,"undump: cannot open ");