libs/sqplus/sq/sq.c
2017-01-10 07:08:49 +03:00

322 lines
6.4 KiB
C
Executable File

/* see copyright notice in squirrel.h */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#if defined(_MSC_VER) && defined(_DEBUG)
#include <crtdbg.h>
#include <conio.h>
#endif
#include <squirrel.h>
#include <sqstdblob.h>
#include <sqstdsystem.h>
#include <sqstdio.h>
#include <sqstdmath.h>
#include <sqstdstring.h>
#include <sqstdaux.h>
#ifdef SQUNICODE
#define scfprintf fwprintf
#define scfopen _wfopen
#define scvprintf vwprintf
#else
#define scfprintf fprintf
#define scfopen fopen
#define scvprintf vprintf
#endif
void PrintVersionInfos();
#if defined(_MSC_VER) && defined(_DEBUG)
int MemAllocHook( int allocType, void *userData, size_t size, int blockType,
long requestNumber, const unsigned char *filename, int lineNumber)
{
// if(requestNumber==585)_asm int 3;
return 1;
}
#endif
SQInteger quit(HSQUIRRELVM v)
{
int *done;
sq_getuserpointer(v,-1,(SQUserPointer*)&done);
*done=1;
return 0;
}
void printfunc(HSQUIRRELVM v,const SQChar *s,...)
{
va_list vl;
va_start(vl, s);
scvprintf( s, vl);
va_end(vl);
}
void PrintVersionInfos()
{
scfprintf(stdout,_SC("%s %s (%d bits)\n"),SQUIRREL_VERSION,SQUIRREL_COPYRIGHT,sizeof(SQInteger)*8);
}
void PrintUsage()
{
scfprintf(stderr,_SC("usage: sq <options> <scriptpath [args]>.\n")
_SC("Available options are:\n")
_SC(" -c compiles the file to bytecode(default output 'out.cnut')\n")
_SC(" -o specifies output file for the -c option\n")
_SC(" -c compiles only\n")
_SC(" -d generates debug infos\n")
_SC(" -v displays version infos\n")
_SC(" -h prints help\n"));
}
#define _INTERACTIVE 0
#define _DONE 2
//<<FIXME>> this func is a mess
int getargs(HSQUIRRELVM v,int argc, char* argv[])
{
int i;
int compiles_only = 0;
static SQChar temp[500];
const SQChar *ret=NULL;
char * output = NULL;
int lineinfo=0;
if(argc>1)
{
int arg=1,exitloop=0;
while(arg < argc && !exitloop)
{
if(argv[arg][0]=='-')
{
switch(argv[arg][1])
{
case 'd': //DEBUG(debug infos)
sq_enabledebuginfo(v,1);
break;
case 'c':
compiles_only = 1;
break;
case 'o':
if(arg < argc) {
arg++;
output = argv[arg];
}
break;
case 'v':
PrintVersionInfos();
return _DONE;
case 'h':
PrintVersionInfos();
PrintUsage();
return _DONE;
default:
PrintVersionInfos();
scprintf(_SC("unknown prameter '-%c'\n"),argv[arg][1]);
PrintUsage();
return _DONE;
}
}else break;
arg++;
}
// src file
if(arg<argc) {
const SQChar *filename=NULL;
#ifdef SQUNICODE
mbstowcs(temp,argv[arg],strlen(argv[arg]));
filename=temp;
#else
filename=argv[arg];
#endif
arg++;
sq_pushroottable(v);
sq_pushstring(v,_SC("ARGS"),-1);
sq_newarray(v,0);
for(i=arg;i<argc;i++)
{
const SQChar *a;
#ifdef SQUNICODE
int alen=strlen(argv[i]);
a=sq_getscratchpad(v,alen*sizeof(SQChar));
mbstowcs(sq_getscratchpad(v,-1),argv[i],alen);
sq_getscratchpad(v,-1)[alen] = _SC('\0');
#else
a=argv[i];
#endif
sq_pushstring(v,a,-1);
sq_arrayappend(v,-2);
}
sq_createslot(v,-3);
sq_pop(v,1);
if(compiles_only) {
if(SQ_SUCCEEDED(sqstd_loadfile(v,filename,SQTrue))){
SQChar *outfile = _SC("out.cnut");
if(output) {
#ifdef SQUNICODE
int len = strlen(output)+1;
mbstowcs(sq_getscratchpad(v,len*sizeof(SQChar)),output,len);
outfile = sq_getscratchpad(v,-1);
#else
outfile = output;
#endif
}
if(SQ_SUCCEEDED(sqstd_writeclosuretofile(v,outfile)))
return _DONE;
}
}
else {
if(SQ_SUCCEEDED(sqstd_dofile(v,filename,SQFalse,SQTrue))) {
return _DONE;
}
}
//if this point is reached an error occured
{
const SQChar *err;
sq_getlasterror(v);
if(SQ_SUCCEEDED(sq_getstring(v,-1,&err))) {
scprintf(_SC("Error [%s]\n"),err);
return _DONE;
}
}
}
}
return _INTERACTIVE;
}
void Interactive(HSQUIRRELVM v)
{
#define MAXINPUT 1024
SQChar buffer[MAXINPUT];
SQInteger blocks =0;
SQInteger string=0;
SQInteger retval=0;
SQInteger done=0;
PrintVersionInfos();
sq_pushroottable(v);
sq_pushstring(v,_SC("quit"),-1);
sq_pushuserpointer(v,&done);
sq_newclosure(v,quit,1);
sq_setparamscheck(v,1,NULL);
sq_createslot(v,-3);
sq_pop(v,1);
while (!done)
{
SQInteger i = 0;
scprintf(_SC("\nsq>"));
for(;;) {
int c;
if(done)return;
c = getchar();
if (c == _SC('\n')) {
if (i>0 && buffer[i-1] == _SC('\\'))
{
buffer[i-1] = _SC('\n');
}
else if(blocks==0)break;
buffer[i++] = _SC('\n');
}
else if (c==_SC('}')) {blocks--; buffer[i++] = (SQChar)c;}
else if(c==_SC('{') && !string){
blocks++;
buffer[i++] = (SQChar)c;
}
else if(c==_SC('"') || c==_SC('\'')){
string=!string;
buffer[i++] = (SQChar)c;
}
else if (i >= MAXINPUT-1) {
scfprintf(stderr, _SC("sq : input line too long\n"));
break;
}
else{
buffer[i++] = (SQChar)c;
}
}
buffer[i] = _SC('\0');
if(buffer[0]==_SC('=')){
scsprintf(sq_getscratchpad(v,MAXINPUT),_SC("return (%s)"),&buffer[1]);
memcpy(buffer,sq_getscratchpad(v,-1),(scstrlen(sq_getscratchpad(v,-1))+1)*sizeof(SQChar));
retval=1;
}
i=scstrlen(buffer);
if(i>0){
SQInteger oldtop=sq_gettop(v);
if(SQ_SUCCEEDED(sq_compilebuffer(v,buffer,i,_SC("interactive console"),SQTrue))){
sq_pushroottable(v);
if(SQ_SUCCEEDED(sq_call(v,1,retval,SQTrue)) && retval){
scprintf(_SC("\n"));
sq_pushroottable(v);
sq_pushstring(v,_SC("print"),-1);
sq_get(v,-2);
sq_pushroottable(v);
sq_push(v,-4);
sq_call(v,2,SQFalse,SQTrue);
retval=0;
scprintf(_SC("\n"));
}
}
sq_settop(v,oldtop);
}
}
}
int main(int argc, char* argv[])
{
HSQUIRRELVM v;
const SQChar *filename=NULL;
#if defined(_MSC_VER) && defined(_DEBUG)
_CrtSetAllocHook(MemAllocHook);
#endif
v=sq_open(1024);
sq_setprintfunc(v,printfunc);
sq_pushroottable(v);
sqstd_register_bloblib(v);
sqstd_register_iolib(v);
sqstd_register_systemlib(v);
sqstd_register_mathlib(v);
sqstd_register_stringlib(v);
//aux library
//sets error handlers
sqstd_seterrorhandlers(v);
//gets arguments
switch(getargs(v,argc,argv))
{
case _INTERACTIVE:
Interactive(v);
break;
case _DONE:
default:
break;
}
sq_close(v);
#if defined(_MSC_VER) && defined(_DEBUG)
_getch();
_CrtMemDumpAllObjectsSince( NULL );
#endif
return 0;
}