qse/qse/lib/stx/err.c

135 lines
3.4 KiB
C

/*
* $Id$
*
Copyright 2006-2012 Chung, Hyung-Hwan.
This file is part of QSE.
QSE is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
QSE is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with QSE. If not, see <http://www.gnu.org/licenses/>.
*/
#include "stx.h"
#include "../cmn/mem.h"
#include <qse/cmn/str.h>
const qse_char_t* qse_stx_dflerrstr (qse_stx_t* stx, qse_stx_errnum_t errnum)
{
static const qse_char_t* errstr[] =
{
QSE_T("no error"),
QSE_T("out of memory"),
QSE_T("internal error"),
QSE_T("exit"),
QSE_T("end of source"),
QSE_T("I/O error"),
QSE_T("unexpected end of string"),
QSE_T("bad sharp expression"),
QSE_T("wrong use of dot"),
QSE_T("left parenthesis expected"),
QSE_T("right parenthesis expected"),
QSE_T("list too deep"),
QSE_T("bad variable"),
QSE_T("bad arguments"),
QSE_T("too few arguments"),
QSE_T("too many arguments"),
QSE_T("undefined function '${0}'"),
QSE_T("bad function"),
QSE_T("duplicate formal"),
QSE_T("bad symbol"),
QSE_T("undefined symbol '${0}'"),
QSE_T("empty body"),
QSE_T("bad value"),
QSE_T("divide by zero")
};
return (errnum >= 0 && errnum < QSE_COUNTOF(errstr))?
errstr[errnum]: QSE_T("unknown error");
}
qse_stx_errstr_t qse_stx_geterrstr (qse_stx_t* stx)
{
return stx->err.str;
}
void qse_stx_seterrstr (qse_stx_t* stx, qse_stx_errstr_t errstr)
{
stx->err.str = errstr;
}
qse_stx_errnum_t qse_stx_geterrnum (qse_stx_t* stx)
{
return stx->err.num;
}
const qse_stx_loc_t* qse_stx_geterrloc (qse_stx_t* stx)
{
return &stx->err.loc;
}
const qse_char_t* qse_stx_geterrmsg (qse_stx_t* stx)
{
return (stx->err.msg[0] == QSE_T('\0'))?
qse_stx_geterrstr(stx)(stx,stx->err.num): stx->err.msg;
}
void qse_stx_geterror (
qse_stx_t* stx, qse_stx_errnum_t* errnum,
const qse_char_t** errmsg, qse_stx_loc_t* errloc)
{
if (errnum != QSE_NULL) *errnum = stx->err.num;
if (errmsg != QSE_NULL)
{
*errmsg = (stx->err.msg[0] == QSE_T('\0'))?
qse_stx_geterrstr(stx)(stx,stx->err.num):
stx->err.msg;
}
if (errloc != QSE_NULL) *errloc = stx->err.loc;
}
void qse_stx_seterrnum (
qse_stx_t* stx, qse_stx_errnum_t errnum, const qse_cstr_t* errarg)
{
qse_stx_seterror (stx, errnum, errarg, QSE_NULL);
}
void qse_stx_seterrmsg (
qse_stx_t* stx, qse_stx_errnum_t errnum,
const qse_char_t* errmsg, const qse_stx_loc_t* errloc)
{
stx->err.num = errnum;
qse_strxcpy (stx->err.msg, QSE_COUNTOF(stx->err.msg), errmsg);
if (errloc != QSE_NULL) stx->err.loc = *errloc;
else QSE_MEMSET (&stx->err.loc, 0, QSE_SIZEOF(stx->err.loc));
}
void qse_stx_seterror (
qse_stx_t* stx, qse_stx_errnum_t errnum,
const qse_cstr_t* errarg, const qse_stx_loc_t* errloc)
{
const qse_char_t* errfmt;
stx->err.num = errnum;
errfmt = qse_stx_geterrstr(stx)(stx,stx->err.num);
QSE_ASSERT (errfmt != QSE_NULL);
qse_strxfncpy (stx->err.msg, QSE_COUNTOF(stx->err.msg), errfmt, errarg);
if (errloc != QSE_NULL) stx->err.loc = *errloc;
else QSE_MEMSET (&stx->err.loc, 0, QSE_SIZEOF(stx->err.loc));
}