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fbdb084fecea0c2a6ea2d2ac28fe820d17232369
hak/hcl/lib/err.c

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/*
* $Id$
*
Copyright (c) 2016-2018 Chung, Hyung-Hwan. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "hcl-prv.h"
#if defined(HCL_ENABLE_LIBUNWIND)
# define UNW_LOCAL_ONLY
# include <libunwind.h>
#endif
static hcl_ooch_t errstr_0[] = {'n','o',' ','e','r','r','o','r','\0'};
static hcl_ooch_t errstr_1[] = {'g','e','n','e','r','i','c',' ','e','r','r','o','r','\0'};
static hcl_ooch_t errstr_2[] = {'n','o','t',' ','i','m','p','l','e','m','e','n','t','e','d','\0'};
static hcl_ooch_t errstr_3[] = {'s','u','b','s','y','s','t','e','m',' ','e','r','r','o','r','\0'};
static hcl_ooch_t errstr_4[] = {'i','n','t','e','r','n','a','l',' ','e','r','r','o','r',' ','t','h','a','t',' ','s','h','o','u','l','d',' ','n','e','v','e','r',' ','h','a','v','e',' ','h','a','p','p','e','n','e','d','\0'};
static hcl_ooch_t errstr_5[] = {'i','n','s','u','f','f','i','c','i','e','n','t',' ','s','y','s','t','e','m',' ','m','e','m','o','r','y','\0'};
static hcl_ooch_t errstr_6[] = {'i','n','s','u','f','f','i','c','i','e','n','t',' ','o','b','j','e','c','t',' ','m','e','m','o','r','y','\0'};
static hcl_ooch_t errstr_7[] = {'i','n','v','a','l','i','d',' ','c','l','a','s','s','/','t','y','p','e','\0'};
static hcl_ooch_t errstr_8[] = {'i','n','v','a','l','i','d',' ','p','a','r','a','m','e','t','e','r','/','a','r','g','u','m','e','n','t','\0'};
static hcl_ooch_t errstr_9[] = {'d','a','t','a',' ','n','o','t',' ','f','o','u','n','d','\0'};
static hcl_ooch_t errstr_10[] = {'e','x','i','s','t','i','n','g','/','d','u','p','l','i','c','a','t','e',' ','d','a','t','a','\0'};
static hcl_ooch_t errstr_11[] = {'b','u','s','y','\0'};
static hcl_ooch_t errstr_12[] = {'a','c','c','e','s','s',' ','d','e','n','i','e','d','\0'};
static hcl_ooch_t errstr_13[] = {'o','p','e','r','a','t','i','o','n',' ','n','o','t',' ','p','e','r','m','i','t','t','e','d','\0'};
static hcl_ooch_t errstr_14[] = {'n','o','t',' ','a',' ','d','i','r','e','c','t','o','r','y','\0'};
static hcl_ooch_t errstr_15[] = {'i','n','t','e','r','r','u','p','t','e','d','\0'};
static hcl_ooch_t errstr_16[] = {'p','i','p','e',' ','e','r','r','o','r','\0'};
static hcl_ooch_t errstr_17[] = {'r','e','s','o','u','r','c','e',' ','t','e','m','p','o','r','a','r','i','l','y',' ','u','n','a','v','a','i','l','a','b','l','e','\0'};
static hcl_ooch_t errstr_18[] = {'b','a','d',' ','s','y','s','t','e','m',' ','h','a','n','d','l','e','\0'};
static hcl_ooch_t errstr_19[] = {'t','o','o',' ','m','a','n','y',' ','f','r','a','m','e','s','\0'};
static hcl_ooch_t errstr_20[] = {'m','e','s','s','a','g','e',' ','r','e','c','e','i','v','e','r',' ','e','r','r','o','r','\0'};
static hcl_ooch_t errstr_21[] = {'m','e','s','s','a','g','e',' ','s','e','n','d','i','n','g',' ','e','r','r','o','r','\0'};
static hcl_ooch_t errstr_22[] = {'w','r','o','n','g',' ','n','u','m','b','e','r',' ','o','f',' ','a','r','g','u','m','e','n','t','s','\0'};
static hcl_ooch_t errstr_23[] = {'r','a','n','g','e',' ','e','r','r','o','r','\0'};
static hcl_ooch_t errstr_24[] = {'b','y','t','e','-','c','o','d','e',' ','f','u','l','l','\0'};
static hcl_ooch_t errstr_25[] = {'d','i','c','t','i','o','n','a','r','y',' ','f','u','l','l','\0'};
static hcl_ooch_t errstr_26[] = {'p','r','o','c','e','s','s','o','r',' ','f','u','l','l','\0'};
static hcl_ooch_t errstr_27[] = {'n','o',' ','m','o','r','e',' ','i','n','p','u','t','\0'};
static hcl_ooch_t errstr_28[] = {'t','o','o',' ','m','a','n','y',' ','i','t','e','m','s','\0'};
static hcl_ooch_t errstr_29[] = {'d','i','v','i','d','e',' ','b','y',' ','z','e','r','o','\0'};
static hcl_ooch_t errstr_30[] = {'I','/','O',' ','e','r','r','o','r','\0'};
static hcl_ooch_t errstr_31[] = {'e','n','c','o','d','i','n','g',' ','c','o','n','v','e','r','s','i','o','n',' ','e','r','r','o','r','\0'};
static hcl_ooch_t errstr_32[] = {'b','u','f','f','e','r',' ','f','u','l','l','\0'};
static hcl_ooch_t errstr_33[] = {'s','y','n','t','a','x',' ','e','r','r','o','r','\0'};
static hcl_ooch_t errstr_34[] = {'c','a','l','l',' ','e','r','r','o','r','\0'};
static hcl_ooch_t errstr_35[] = {'r','e','c','a','l','l',' ','p','r','o','h','i','b','i','t','e','d','\0'};
static hcl_ooch_t errstr_36[] = {'a','r','g','u','m','e','n','t',' ','n','u','m','b','e','r',' ','e','r','r','o','r','\0'};
static hcl_ooch_t* errstr[] =
{
errstr_0, errstr_1, errstr_2, errstr_3, errstr_4, errstr_5, errstr_6, errstr_7,
errstr_8, errstr_9, errstr_10, errstr_11, errstr_12, errstr_13, errstr_14, errstr_15,
errstr_16, errstr_17, errstr_18, errstr_19, errstr_20, errstr_21, errstr_22, errstr_23,
errstr_24, errstr_25, errstr_26, errstr_27, errstr_28, errstr_29, errstr_30, errstr_31,
errstr_32, errstr_33, errstr_34, errstr_35, errstr_36
};
static char* synerrstr[] =
{
"no error",
"illegal character",
"illegal token",
"comment not closed",
"string/character not closed",
"invalid hashed literal",
"wrong character literal",
"invalid numeric literal",
"out of integer range",
"wrong error literal",
"wrong smptr literal",
"wrong multi-segment identifer",
"sudden end of input",
"( expected",
") expected",
"] expected",
"} expected",
"| expected",
"string expected",
"byte too small or too large",
"nesting level too deep",
", expected",
"| disallowed",
". disallowed",
", disallowed",
": disallowed",
"no value after ,",
"no value after :",
"no separator between array/dictionary elements",
"#include error",
"loop body too big",
"if body too big",
"lambda block too big",
"lambda block too deep",
"argument name list expected",
"argument name expected",
"duplicate argument name",
"variable name expected",
"wrong number of arguments",
"too many arguments defined",
"too many variables defined",
"variable declaration disallowed",
"duplicate variable name",
"disallowed variable name",
"disallowed argument name",
"elif without if",
"else without if",
"break outside loop",
"invalid callable",
"unbalanced key/value pair",
"unbalanced parenthesis/brace/bracket",
"empty x-list"
};
/* --------------------------------------------------------------------------
* ERROR NUMBER TO STRING CONVERSION
* -------------------------------------------------------------------------- */
const hcl_ooch_t* hcl_errnum_to_errstr (hcl_errnum_t errnum)
{
static hcl_ooch_t e_unknown[] = {'u','n','k','n','o','w','n',' ','e','r','r','o','r','\0'};
return (errnum >= 0 && errnum < HCL_COUNTOF(errstr))? errstr[errnum]: e_unknown;
}
static const hcl_bch_t* synerr_to_errstr (hcl_synerrnum_t errnum)
{
static hcl_bch_t e_unknown[] = "unknown error";
return (errnum >= 0 && errnum < HCL_COUNTOF(synerrstr))? synerrstr[errnum]: e_unknown;
}
/* --------------------------------------------------------------------------
* ERROR NUMBER/MESSAGE HANDLING
* -------------------------------------------------------------------------- */
const hcl_ooch_t* hcl_geterrstr (hcl_t* hcl)
{
return hcl_errnum_to_errstr (hcl->errnum);
}
const hcl_ooch_t* hcl_geterrmsg (hcl_t* hcl)
{
if (hcl->errmsg.len <= 0) return hcl_errnum_to_errstr(hcl->errnum);
return hcl->errmsg.buf;
}
const hcl_ooch_t* hcl_backuperrmsg (hcl_t* hcl)
{
hcl_copy_oocstr (hcl->errmsg.tmpbuf.ooch, HCL_COUNTOF(hcl->errmsg.tmpbuf.ooch), hcl_geterrmsg(hcl));
return hcl->errmsg.tmpbuf.ooch;
}
void hcl_seterrnum (hcl_t* hcl, hcl_errnum_t errnum)
{
if (hcl->shuterr) return;
hcl->errnum = errnum;
hcl->errmsg.len = 0;
}
void hcl_seterrwithsyserr (hcl_t* hcl, int syserr_type, int syserr_code)
{
hcl_errnum_t errnum;
if (hcl->shuterr) return;
if (hcl->vmprim.syserrstrb)
{
errnum = hcl->vmprim.syserrstrb(hcl, syserr_type, syserr_code, hcl->errmsg.tmpbuf.bch, HCL_COUNTOF(hcl->errmsg.tmpbuf.bch));
hcl_seterrbfmt (hcl, errnum, "%hs", hcl->errmsg.tmpbuf.bch);
}
else
{
HCL_ASSERT (hcl, hcl->vmprim.syserrstru != HCL_NULL);
errnum = hcl->vmprim.syserrstru(hcl, syserr_type, syserr_code, hcl->errmsg.tmpbuf.uch, HCL_COUNTOF(hcl->errmsg.tmpbuf.uch));
hcl_seterrbfmt (hcl, errnum, "%ls", hcl->errmsg.tmpbuf.uch);
}
}
void hcl_getsynerr (hcl_t* hcl, hcl_synerr_t* synerr)
{
HCL_ASSERT (hcl, hcl->c != HCL_NULL);
if (synerr) *synerr = hcl->c->synerr;
}
hcl_synerrnum_t hcl_getsynerrnum (hcl_t* hcl)
{
HCL_ASSERT (hcl, hcl->c != HCL_NULL);
return hcl->c->synerr.num;
}
void hcl_setsynerrbfmt (hcl_t* hcl, hcl_synerrnum_t num, const hcl_ioloc_t* loc, const hcl_oocs_t* tgt, const hcl_bch_t* msgfmt, ...)
{
static hcl_bch_t syntax_error[] = "syntax error - ";
if (hcl->shuterr) return;
if (msgfmt)
{
va_list ap;
int i, selen;
va_start (ap, msgfmt);
hcl_seterrbfmtv (hcl, HCL_ESYNERR, msgfmt, ap);
va_end (ap);
selen = HCL_COUNTOF(syntax_error) - 1;
HCL_MEMMOVE (&hcl->errmsg.buf[selen], &hcl->errmsg.buf[0], HCL_SIZEOF(hcl->errmsg.buf[0]) * (HCL_COUNTOF(hcl->errmsg.buf) - selen));
for (i = 0; i < selen; i++) hcl->errmsg.buf[i] = syntax_error[i];
hcl->errmsg.buf[HCL_COUNTOF(hcl->errmsg.buf) - 1] = '\0';
}
else
{
hcl_seterrbfmt (hcl, HCL_ESYNERR, "%hs%hs", syntax_error, synerr_to_errstr(num));
}
hcl->c->synerr.num = num;
/* The SCO compiler complains of this ternary operation saying:
* error: operands have incompatible types: op ":"
* it seems to complain of type mismatch between *loc and
* hcl->c->tok.loc due to 'const' prefixed to loc. */
/*hcl->c->synerr.loc = loc? *loc: hcl->c->tok.loc;*/
if (loc)
{
hcl->c->synerr.loc = *loc;
}
else
{
hcl->c->synerr.loc = hcl->c->tok.loc;
}
if (tgt)
{
hcl->c->synerr.tgt = *tgt;
}
else
{
hcl->c->synerr.tgt.ptr = HCL_NULL;
hcl->c->synerr.tgt.len = 0;
}
}
void hcl_setsynerrufmt (hcl_t* hcl, hcl_synerrnum_t num, const hcl_ioloc_t* loc, const hcl_oocs_t* tgt, const hcl_uch_t* msgfmt, ...)
{
static hcl_bch_t syntax_error[] = "syntax error - ";
if (hcl->shuterr) return;
if (msgfmt)
{
va_list ap;
int i, selen;
va_start (ap, msgfmt);
hcl_seterrufmtv (hcl, HCL_ESYNERR, msgfmt, ap);
va_end (ap);
selen = HCL_COUNTOF(syntax_error) - 1;
HCL_MEMMOVE (&hcl->errmsg.buf[selen], &hcl->errmsg.buf[0], HCL_SIZEOF(hcl->errmsg.buf[0]) * (HCL_COUNTOF(hcl->errmsg.buf) - selen));
for (i = 0; i < selen; i++) hcl->errmsg.buf[i] = syntax_error[i];
hcl->errmsg.buf[HCL_COUNTOF(hcl->errmsg.buf) - 1] = '\0';
}
else
{
hcl_seterrbfmt (hcl, HCL_ESYNERR, "%hs%hs", syntax_error, synerr_to_errstr(num));
}
hcl->c->synerr.num = num;
/* The SCO compiler complains of this ternary operation saying:
* error: operands have incompatible types: op ":"
* it seems to complain of type mismatch between *loc and
* hcl->c->tok.loc due to 'const' prefixed to loc. */
/*hcl->c->synerr.loc = loc? *loc: hcl->c->tok.loc;*/
if (loc)
{
hcl->c->synerr.loc = *loc;
}
else
{
hcl->c->synerr.loc = hcl->c->tok.loc;
}
if (tgt)
{
hcl->c->synerr.tgt = *tgt;
}
else
{
hcl->c->synerr.tgt.ptr = HCL_NULL;
hcl->c->synerr.tgt.len = 0;
}
}
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