static int ll_module (lua_State *L) {
const char* modname = luaL_checkstring(L, 1);
int loaded = lua_gettop(L) + 1; /* index of _LOADED table */
lua_getfield(L, LUA_REGISTRYINDEX, "_LOADED");
lua_getfield(L, loaded, modname); /* get _LOADED[modname] */
if (!lua_istable(L, -1)) { /* not found? */
lua_pop(L, 1); /* remove previous result */
/* try global variable (and create one if it does not exist) */
if (luaL_findtable(L, LUA_GLOBALSINDEX, modname, 1) != nullptr)
return luaL_error(L, "name conflict for module " LUA_QS, modname);
lua_pushvalue(L, -1);
lua_setfield(L, loaded, modname); /* _LOADED[modname] = new table */
}
/* check whether table already has a _NAME field */
lua_getfield(L, -1, "_NAME");
if (!lua_isnil(L, -1)) /* is table an initialized module? */
lua_pop(L, 1);
else { /* no; initialize it */
lua_pop(L, 1);
modinit(L, modname);
}
lua_pushvalue(L, -1);
setfenv(L);
dooptions(L, loaded - 1);
return 0;
}
static int ll_module (lua_State *L) {
const char *modname = luaL_checkstring(L, 1);
int lastarg = lua_gettop(L); /* last parameter */
luaL_pushmodule(L, modname, 1); /* get/create module table */
/* check whether table already has a _NAME field */
if (lua_getfield(L, -1, "_NAME") != LUA_TNIL)
lua_pop(L, 1); /* table is an initialized module */
else { /* no; initialize it */
lua_pop(L, 1);
modinit(L, modname);
}
lua_pushvalue(L, -1);
set_env(L);
dooptions(L, lastarg);
return 1;
}
static int lj_cf_package_module(lua_State *L)
{
const char *modname = luaL_checkstring(L, 1);
int lastarg = (int)(L->top - L->base);
luaL_pushmodule(L, modname, 1);
lua_getfield(L, -1, "_NAME");
if (!lua_isnil(L, -1)) { /* Module already initialized? */
lua_pop(L, 1);
} else {
lua_pop(L, 1);
modinit(L, modname);
}
lua_pushvalue(L, -1);
setfenv(L);
dooptions(L, lastarg);
return LJ_52;
}
int
dooptions(int argc, char** argv)
/*
* dooptions is called to process command line arguments (-Detc).
* It is called only at cpp startup.
*/
{
register char *ap;
register DEFBUF *dp;
register int c;
int i, j;
char *arg;
SIZES *sizp; /* For -S */
int size; /* For -S */
int isdatum; /* FALSE for -S* */
int endtest; /* For -S */
for (i = j = 1; i < argc; i++) {
arg = ap = argv[i];
if (*ap++ != '-' || *ap == EOS)
{
argv[j++] = argv[i];
}
else {
c = *ap++; /* Option byte */
if (islower(c)) /* Normalize case */
c = toupper(c);
switch (c) { /* Command character */
case 'C': /* Keep comments */
cflag = TRUE;
keepcomments = TRUE;
break;
case 'D': /* Define symbol */
/*
* If the option is just "-Dfoo", make it -Dfoo=1
*/
while (*ap != EOS && *ap != '=')
ap++;
if (*ap == EOS)
ap = "1";
else
*ap++ = EOS;
/*
* Now, save the word and its definition.
*/
dp = defendel(argv[i] + 2, FALSE);
dp->repl = savestring(ap);
dp->nargs = DEF_NOARGS;
break;
case 'E': /* Ignore non-fatal */
eflag = TRUE; /* errors. */
break;
case 'I': /* Include directory */
AddInclude( ap ); /* BP, 11.09.91 */
break;
case 'N': /* No predefineds */
nflag++; /* Repeat to undefine */
break; /* __LINE__, etc. */
case 'S':
sizp = size_table;
if (0 != (isdatum = (*ap != '*'))) /* If it's just -S, */
endtest = T_FPTR; /* Stop here */
else { /* But if it's -S* */
ap++; /* Step over '*' */
endtest = 0; /* Stop at end marker */
}
while (sizp->bits != endtest && *ap != EOS) {
if (!isdigit(*ap)) { /* Skip to next digit */
ap++;
continue;
}
size = 0; /* Compile the value */
while (isdigit(*ap)) {
size *= 10;
size += (*ap++ - '0');
}
if (isdatum)
sizp->size = size; /* Datum size */
else
sizp->psize = size; /* Pointer size */
sizp++;
}
if (sizp->bits != endtest)
cwarn("-S, too few values specified in %s", argv[i]);
else if (*ap != EOS)
cwarn("-S, too many values, \"%s\" unused", ap);
break;
case 'U': /* Undefine symbol */
if (defendel(ap, TRUE) == NULL)
cwarn("\"%s\" wasn't defined", ap);
break;
#if OSL_DEBUG_LEVEL > 1
case 'X': /* Debug */
debug = (isdigit(*ap)) ? atoi(ap) : 1;
#if (HOST == SYS_VMS || HOST == SYS_UNIX)
signal(SIGINT, (void (*)(int)) abort); /* Trap "interrupt" */
#endif
fprintf(stderr, "Debug set to %d\n", debug);
break;
#endif
#if OSL_DEBUG_LEVEL > 1
case 'P': /* #define's dump */
bDumpDefs = 1;
fprintf(stderr, "Dump #define's is on\n");
break;
#endif
default: /* What is this one? */
cwarn("Unknown option \"%s\"", arg);
fprintf(stderr, "The following options are valid:\n\
-C\t\t\tWrite source file comments to output\n\
-Dsymbol=value\tDefine a symbol with the given (optional) value\n\
-Idirectory\t\tAdd a directory to the #include search list\n\
-N\t\t\tDon't predefine target-specific names\n\
-Stext\t\tSpecify sizes for #if sizeof\n\
-Usymbol\t\tUndefine symbol\n");
#if OSL_DEBUG_LEVEL > 1
fprintf(stderr, " -Xvalue\t\tSet internal debug flag\n");
fprintf(stderr, " -P\t\t\tdump #define's\n");
#endif
break;
} /* Switch on all options */
} /* If it's a -option */
} /* For all arguments */
#if OSL_DEBUG_LEVEL > 1
if ( (bDumpDefs ? j > 4 : j > 3) ) {
#else
if (j > 3) {
#endif
cerror(
"Too many file arguments. Usage: cpp [input [output]]",
NULLST);
}
return (j); /* Return new argc */
}
int
readoptions(char* filename, char*** pfargv)
{
FILE *fp;
int c;
int bInQuotes = 0;
char optbuff[1024], *poptbuff;
int fargc=0, back;
char *fargv[PARALIMIT], **pfa;
pfa=*pfargv=malloc(sizeof(fargv));
poptbuff=&optbuff[0];
filename++;
if ((fp = fopen(filename, "r")) == NULL) {
#if OSL_DEBUG_LEVEL > 1
if ( debug || !bDumpDefs )
perror(filename);
#endif
return (FALSE);
}
do
{
/*
* #i27914# double ticks '"' now have a duplicate function:
* 1. they define a string ( e.g. -DFOO="baz" )
* 2. a string can contain spaces, so -DFOO="baz zum" defines one
* argument no two !
*/
c=fgetc(fp);
if ( c != ' ' && c != CR && c != NL && c != HT && c != EOF)
{
*poptbuff++=(char)c;
if( c == '"' )
bInQuotes = ~bInQuotes;
}
else
{
if( c != EOF && bInQuotes )
*poptbuff++=(char)c;
else
{
*poptbuff=EOS;
if (strlen(optbuff)>0)
{
pfa[fargc+1]=malloc(strlen(optbuff)+1);
strcpy(pfa[fargc+1],optbuff);
fargc++;
pfa[fargc+1]=0;
poptbuff=&optbuff[0];
}
}
}
}
while ( c != EOF );
fclose(fp);
back=dooptions(fargc+1,pfa);
return (back);
}
int readoptions(char* filename, char*** pfargv)
{
FILE* fp;
int c;
int bInQuotes = 0;
char optbuff[1024];
char* poptbuff;
int fargc=0;
int back;
char* fargv[PARALIMIT];
char** pfa;
pfa = *pfargv = malloc(sizeof(fargv));
poptbuff = &optbuff[0];
filename++;
if ((fp = fopen(filename, "r")) == NULL)
{
#if OSL_DEBUG_LEVEL > 1
if ( debug || !bDumpDefs )
perror(filename);
#endif
return (FALSE);
}
do
{
/*
* #i27914# double ticks '"' now have a duplicate function:
* 1. they define a string ( e.g. -DFOO="baz" )
* 2. a string can contain spaces, so -DFOO="baz zum" defines one
* argument no two !
*/
c = fgetc(fp);
if ( c != ' ' && c != CR && c != NL && c != HT && c != EOF)
{
*poptbuff++ = (char)c;
if( c == '"' )
bInQuotes = ~bInQuotes;
}
else
{
if( c != EOF && bInQuotes )
*poptbuff++ = (char)c;
else
{
*poptbuff = EOS;
if (strlen(optbuff)>0)
{
pfa[fargc + 1] = strdup(optbuff);
fargc++;
pfa[fargc + 1] = 0;
poptbuff = &optbuff[0];
}
}
}
}
while ( c != EOF );
fclose(fp);
back=dooptions(fargc+1,pfa);
return (back);
}
int MAIN(int argc, char** argv)
{
int i;
char** useargv;
char** pfargv;
if( nRunde == 0 )
{
pCppIn = stdin;
pCppOut = stdout;
}
nRunde++;
InitCpp1();
InitCpp2();
InitCpp3();
InitCpp4();
InitCpp5();
InitCpp6();
#if HOST == SYS_VMS
argc = getredirection(argc, argv); /* vms >file and <file */
#endif
initdefines(); /* O.S. specific def's */
if ( argv[argc-1][0] == '@' )
{
i = readoptions( argv[1], &pfargv ); /* Command file */
useargv=pfargv;
}
else
{
i = dooptions(argc, argv); /* Command line -flags */
useargv=argv;
}
switch (i)
{
#if OSL_DEBUG_LEVEL > 1
case 4:
if ( bDumpDefs )
{
/*
* Get defBase file, "-" means use stdout.
*/
if (!streq(useargv[3], "-"))
{
#if HOST == SYS_VMS
/*
* On vms, reopen stdout with "vanilla rms" attributes.
*/
if ((i = creat(useargv[3], 0, "rat=cr", "rfm=var")) == -1
|| dup2(i, fileno(stdout)) == -1)
#else
pDefOut = fopen( useargv[3], "w" );
if( pDefOut == NULL )
#endif
{
perror(useargv[3]);
cerror("Can't open output file \"%s\"", useargv[3]);
exit(IO_ERROR);
}
} /* Continue by opening output */
}
#endif
case 3:
/*
* Get output file, "-" means use stdout.
*/
if (!streq(useargv[2], "-"))
{
#if HOST == SYS_VMS
/*
* On vms, reopen stdout with "vanilla rms" attributes.
*/
if ((i = creat(useargv[2], 0, "rat=cr", "rfm=var")) == -1
|| dup2(i, fileno(stdout)) == -1)
#else
pCppOut = fopen( useargv[2], "w" );
if( pCppOut == NULL )
#endif
{
perror(useargv[2]);
cerror("Can't open output file \"%s\"", useargv[2]);
exit(IO_ERROR);
}
} /* Continue by opening input */
case 2: /* One file -> stdin */
/*
* Open input file, "-" means use stdin.
*/
if (!streq(useargv[1], "-"))
{
pCppIn = fopen( useargv[1], "r" );
if( pCppIn == NULL)
{
perror(useargv[1]);
cerror("Can't open input file \"%s\"", useargv[1]);
exit(IO_ERROR);
}
strncpy(work, useargv[1], NWORK); /* Remember input filename */
break;
} /* Else, just get stdin */
case 0: /* No args? */
case 1: /* No files, stdin -> stdout */
#if (HOST == SYS_UNIX) || (HOST == SYS_UNKNOWN)
work[0] = EOS; /* Unix can't find stdin name */
#else
fgetname(stdin, work); /* Vax-11C, Decus C know name */
#endif
break;
default:
exit(IO_ERROR); /* Can't happen */
}
setincdirs(); /* Setup -I include directories */
addfile( pCppIn, work); /* "open" main input file */
#if OSL_DEBUG_LEVEL > 1
if (debug > 0 || bDumpDefs)
dumpdef("preset #define symbols");
#endif
if( pCppIn != stdin )
rewind( pCppIn );
cppmain(); /* Process main file */
if ((i = (ifptr - &ifstack[0])) != 0)
{
#if OLD_PREPROCESSOR
ciwarn("Inside #ifdef block at end of input, depth = %d", i);
#else
cierror("Inside #ifdef block at end of input, depth = %d", i);
#endif
}
#if OSL_DEBUG_LEVEL > 1
if( pDefOut != stdout && pDefOut != stderr )
fclose( pDefOut );
#endif
if( pCppOut != stdout && pCppOut != stderr )
fclose( pCppOut );
if (errors > 0)
{
fprintf(stderr, (errors == 1)
? "%d error in preprocessor\n"
: "%d errors in preprocessor\n", errors);
if (!eflag)
exit(IO_ERROR);
}
#ifdef NOMAIN /* BP */ /* kein exit im der LIB-Version */
return( IO_NORMAL );
#else
exit(IO_NORMAL); /* No errors or -E option set */
#endif
}
int fppPreProcess(struct fppTag *tags)
{
int i=0;
ReturnCode ret; /* cpp return code */
struct Global *global;
global=(struct Global *)malloc(sizeof(struct Global));
if(!global)
return(FPP_OUT_OF_MEMORY);
memset(global, 0, sizeof(struct Global));
global->infile=NULL;
global->line=0;
global->wrongline=0;
global->errors=0;
global->recursion=0;
global->rec_recover=TRUE;
global->instring=FALSE;
global->inmacro=FALSE;
global->workp=NULL;
global->keepcomments = FALSE; /* Write out comments flag */
global->cflag = FALSE; /* -C option (keep comments) */
global->eflag = FALSE; /* -E option (never fail) */
global->nflag = 0; /* -N option (no predefines) */
global->wflag = FALSE; /* -W option (write #defines) */
global->ifstack[0]=TRUE; /* #if information */
global->ifptr = global->ifstack;
global->incend = global->incdir;
/* names defined at cpp start */
global->preset[0]="frexxcpp"; /* This is the Frexx cpp program */
#if defined( unix )
global->preset[1]="unix";
global->preset[2]= NULL;
#endif
/* Note: order is important */
global->magic[0] = "__LINE__";
global->magic[1] = "__FILE__";
global->magic[2] = "__FUNCTION__";
global->magic[3] = "__FUNC_LINE__";
global->magic[4] = NULL; /* Must be last */
global->funcline = 0;
global->cplusplus=1;
global->sharpfilename=NULL;
global->parmp=NULL;
global->nargs=0;
global->macro=NULL;
global->evalue=0;
global->error=NULL;
global->first_file=NULL;
global->linelines=TRUE;
global->warnillegalcpp = FALSE;
global->outputLINE = TRUE;
global->warnnoinclude = TRUE;
global->showversion = TRUE;
global->showincluded = FALSE;
global->showspace = FALSE;
global->nestcomments = FALSE;
global->warnnestcomments = FALSE;
global->outputfile = TRUE;
global->included = 0;
global->comment = FALSE;
global->rightconcat = FALSE;
global->work[0] = '\0';
global->initialfunc = NULL;
memset(global->symtab, 0, SBSIZE * sizeof(DEFBUF *));
ret=initdefines(global); /* O.S. specific def's */
if(ret)
return(ret);
dooptions(global, tags); /* Command line -flags */
ret=addfile(global, global->inputio, global->work); /* "open" main input file */
global->out = global->outputfile;
if(!ret)
ret=cppmain(global); /* Process main file */
if ((i = (int)(global->ifptr - global->ifstack)) != 0) {
#if OLD_PREPROCESSOR
cwarn(global, ERROR_IFDEF_DEPTH, i);
#else
cerror(global, ERROR_IFDEF_DEPTH, i);
#endif
}
if (global->errors > 0 && !global->eflag)
return(IO_ERROR);
return(IO_NORMAL); /* No errors or -E option set */
}
