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path: root/src/3rdparty/squirrel/sqstdlib/sqstdaux.cpp
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/* see copyright notice in squirrel.h */
#include <squirrel.h>
#include <sqstdaux.h>
#include <assert.h>

void sqstd_printcallstack(HSQUIRRELVM v)
{
	SQPRINTFUNCTION pf = sq_getprintfunc(v);
	if(pf) {
		SQStackInfos si;
		SQInteger i;
		SQFloat f;
		const SQChar *s;
		SQInteger level=1; //1 is to skip this function that is level 0
		const SQChar *name=0;
		SQInteger seq=0;
		pf(v,_SC("\nCALLSTACK\n"));
		while(SQ_SUCCEEDED(sq_stackinfos(v,level,&si)))
		{
			const SQChar *fn=_SC("unknown");
			const SQChar *src=_SC("unknown");
			if(si.funcname)fn=si.funcname;
			if(si.source)src=si.source;
			pf(v,_SC("*FUNCTION [%s()] %s line [%d]\n"),fn,src,si.line);
			level++;
		}
		level=0;
		pf(v,_SC("\nLOCALS\n"));

		for(level=0;level<10;level++){
			seq=0;
			while((name = sq_getlocal(v,level,seq)))
			{
				seq++;
				switch(sq_gettype(v,-1))
				{
				case OT_NULL:
					pf(v,_SC("[%s] NULL\n"),name);
					break;
				case OT_INTEGER:
					sq_getinteger(v,-1,&i);
					pf(v,_SC("[%s] %d\n"),name,i);
					break;
				case OT_FLOAT:
					sq_getfloat(v,-1,&f);
					pf(v,_SC("[%s] %.14g\n"),name,f);
					break;
				case OT_USERPOINTER:
					pf(v,_SC("[%s] USERPOINTER\n"),name);
					break;
				case OT_STRING:
					sq_getstring(v,-1,&s);
					pf(v,_SC("[%s] \"%s\"\n"),name,s);
					break;
				case OT_TABLE:
					pf(v,_SC("[%s] TABLE\n"),name);
					break;
				case OT_ARRAY:
					pf(v,_SC("[%s] ARRAY\n"),name);
					break;
				case OT_CLOSURE:
					pf(v,_SC("[%s] CLOSURE\n"),name);
					break;
				case OT_NATIVECLOSURE:
					pf(v,_SC("[%s] NATIVECLOSURE\n"),name);
					break;
				case OT_GENERATOR:
					pf(v,_SC("[%s] GENERATOR\n"),name);
					break;
				case OT_USERDATA:
					pf(v,_SC("[%s] USERDATA\n"),name);
					break;
				case OT_THREAD:
					pf(v,_SC("[%s] THREAD\n"),name);
					break;
				case OT_CLASS:
					pf(v,_SC("[%s] CLASS\n"),name);
					break;
				case OT_INSTANCE:
					pf(v,_SC("[%s] INSTANCE\n"),name);
					break;
				case OT_WEAKREF:
					pf(v,_SC("[%s] WEAKREF\n"),name);
					break;
				case OT_BOOL:{
					sq_getinteger(v,-1,&i);
					pf(v,_SC("[%s] %s\n"),name,i?_SC("true"):_SC("false"));
							 }
					break;
				default: assert(0); break;
				}
				sq_pop(v,1);
			}
		}
	}
}

static SQInteger _sqstd_aux_printerror(HSQUIRRELVM v)
{
	SQPRINTFUNCTION pf = sq_getprintfunc(v);
	if(pf) {
		const SQChar *sErr = 0;
		if(sq_gettop(v)>=1) {
			if(SQ_SUCCEEDED(sq_getstring(v,2,&sErr)))	{
				pf(v,_SC("\nAN ERROR HAS OCCURED [%s]\n"),sErr);
			}
			else{
				pf(v,_SC("\nAN ERROR HAS OCCURED [unknown]\n"));
			}
			sqstd_printcallstack(v);
		}
	}
	return 0;
}

void _sqstd_compiler_error(HSQUIRRELVM v,const SQChar *sErr,const SQChar *sSource,SQInteger line,SQInteger column)
{
	SQPRINTFUNCTION pf = sq_getprintfunc(v);
	if(pf) {
		pf(v,_SC("%s line = (%d) column = (%d) : error %s\n"),sSource,line,column,sErr);
	}
}

void sqstd_seterrorhandlers(HSQUIRRELVM v)
{
	sq_setcompilererrorhandler(v,_sqstd_compiler_error);
	sq_newclosure(v,_sqstd_aux_printerror,0);
	sq_seterrorhandler(v);
}