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parser_BM.c
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// file parser_BM.c
// SPDX-License-Identifier: GPL-3.0-or-later
/***
BISMON
Copyright © 2018 - 2022 CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
contributed by Basile Starynkevitch (working at CEA, LIST, France)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#include "bismon.h"
#define RUNLEN_BM 16
#define RUNFMT_BM "%16[A-Za-z0-9]"
static const char *const lexkindnamearr_BM[] = {
[plex__NONE] = "_NONE",
[plex_LLONG] = "LLONG",
[plex_DOUBLE] = "DOUBLE",
[plex_DELIM] = "DELIM",
[plex_ID] = "ID",
[plex_CNAME] = "CNAME",
[plex_WORD] = "WORD",
[plex_STRING] = "STRING",
};
const char *
lexkindname_BM (enum parslexkind_enBM k)
{
if ((unsigned) k <
(unsigned) (sizeof (lexkindnamearr_BM) / sizeof (lexkindnamearr_BM[0])))
return lexkindnamearr_BM[k];
return "?";
} /* end of lexkindname_BM */
static const char *const delimnamearr_BM[] = {
#define HAS_DELIM_BM(Str,Delimname) [delim_##Delimname] = Str,
#include "bm_delim.h"
};
const char *
delimstr_BM (enum lexdelim_enBM d)
{
if ((unsigned) d <
(unsigned) (sizeof (delimnamearr_BM) / sizeof (delimnamearr_BM[0])))
return delimnamearr_BM[d];
return "?*bad-delim*?";
} /* end of delimstr_BM */
struct parser_stBM *
makeparser_of_file_BM (FILE * f, const char *path, objectval_tyBM * ownob)
{
if (!f)
return NULL;
if (!isobject_BM (ownob))
return NULL;
struct parser_stBM *pars = //
allocgcty_BM (typayl_parser_BM, sizeof (struct parser_stBM));
pars->pars_file = f;
pars->pars_debug = false;
pars->pars_filemem = NULL;
pars->pars_filesize = 0;
pars->pars_path = path ? path : "?";
pars->pars_ownob = ownob;
unsigned inilinsiz = 256;
char *linebuf = calloc (1, inilinsiz);
if (!linebuf)
FATAL_BM ("linebuf calloc failed %d bytes (%m)", inilinsiz);
pars->pars_linebuf = linebuf;
pars->pars_linesiz = inilinsiz;
pars->pars_linebuf[0] = (char) 0;
pars->pars_linelen = getline (&pars->pars_linebuf, &pars->pars_linesiz, f);
if (pars->pars_linelen < 0)
{
pars->pars_lineno = 0;
pars->pars_curbyte = NULL;
}
else
pars->pars_lineno = 1;
if (!g_utf8_validate (pars->pars_linebuf, pars->pars_linelen, NULL))
FATAL_BM ("invalid UTF8 line %s:%d", pars->pars_path, pars->pars_lineno);
pars->pars_curbyte = pars->pars_linebuf;
pars->pars_colpos = 0;
unsigned inimemosiz = 32;
pars->pars_memolines =
calloc (inimemosiz, sizeof (struct memolineoffset_stBM));
if (!pars->pars_memolines)
FATAL_BM ("memolines calloc failed for size %d (%m)", inimemosiz);
pars->pars_memolsize = inimemosiz;
pars->pars_memolcount = 0;
{
objlock_BM (ownob);
objputpayload_BM (ownob, pars);
objunlock_BM (ownob);
}
return pars;
} /* end makeparser_of_file_BM */
struct parser_stBM *
makeparser_memopen_BM (const char *filemem, long size, objectval_tyBM * ownob)
{
if (!filemem)
return NULL;
if (!isobject_BM (ownob))
return NULL;
if (size < 0)
size = strlen (filemem);
FILE *fil = fmemopen ((void *) filemem, size, "r");
if (!fil)
FATAL_BM ("fmemopen failed (%m)");
struct parser_stBM *pars = makeparser_of_file_BM (fil, filemem, ownob);
pars->pars_filemem = filemem;
pars->pars_filesize = size;
return pars;
} /* end makeparser_memopen_BM */
void
parsergcmark_BM (struct garbcoll_stBM *gc, struct parser_stBM *pars,
objectval_tyBM * fromob)
{
ASSERT_BM (gc && gc->gc_magic == GCMAGIC_BM);
ASSERT_BM (isparser_BM (pars));
ASSERT_BM (fromob == NULL || isobject_BM (fromob));
uint8_t oldmark = ((typedhead_tyBM *) pars)->hgc;
if (oldmark)
return;
((typedhead_tyBM *) pars)->hgc = MARKGC_BM;
gc->gc_nbmarks++;
VALUEGCPROC_BM (gc, pars->pars_cvalue, 0);
if (pars->pars_ownob)
gcobjmark_BM (gc, pars->pars_ownob);
} /* end parsergcmark_BM */
void
parsergcdestroy_BM (struct garbcoll_stBM *gc, struct parser_stBM *pars)
{
unsigned long parsiz = sizeof (*pars);
ASSERT_BM (gc && gc->gc_magic == GCMAGIC_BM);
if (pars->pars_filemem)
{
pars->pars_filemem = NULL;
parsiz += pars->pars_filesize;
pars->pars_filesize = 0;
}
if (pars->pars_linebuf)
{
parsiz += pars->pars_linesiz;
free (pars->pars_linebuf), pars->pars_linebuf = NULL;
}
if (pars->pars_file)
{
parsiz += sizeof (FILE);
fclose (pars->pars_file), pars->pars_file = NULL;
}
if (pars->pars_memolines)
{
parsiz += pars->pars_memolsize * sizeof (struct memolineoffset_stBM);
free (pars->pars_memolines), pars->pars_memolines = NULL;
}
memset (pars, 0, sizeof (*pars));
free (pars);
gc->gc_freedbytes += parsiz;
} /* end parsergcdestroy_BM */
void
parsergckeep_BM (struct garbcoll_stBM *gc, struct parser_stBM *pars)
{
ASSERT_BM (gc && gc->gc_magic == GCMAGIC_BM);
unsigned long parsiz = sizeof (*pars);
if (pars->pars_filemem)
parsiz += pars->pars_filesize;
if (pars->pars_linebuf)
parsiz += pars->pars_linesiz;
if (pars->pars_file)
parsiz += sizeof (FILE);
ASSERT_BM (parsiz < (4L * MAXSIZE_BM / 3 + 5L) * sizeof (void *));
gc->gc_keptbytes += parsiz;
} /* end parsergckeep_BM */
bool
parsernextline_BM (struct parser_stBM *pars)
{
if (!isparser_BM (pars))
return false;
long curoff = ftell (pars->pars_file);
pars->pars_linelen =
getline (&pars->pars_linebuf, &pars->pars_linesiz, pars->pars_file);
if (pars->pars_linelen > 0)
{
pars->pars_curbyte = pars->pars_linebuf;
pars->pars_colpos = 0;
pars->pars_linebuf[pars->pars_linelen] = (char) 0;
if ((pars->pars_lineno + 1) % PARSERMEMOLINERATIO_BM == 0)
{
unsigned curmemlcount = pars->pars_memolcount;
if (curmemlcount + 1 >= pars->pars_memolsize)
{
unsigned newmemosize =
prime_above_BM ((4 * curmemlcount) / 3 + 10);
struct memolineoffset_stBM *newmemolines = //
calloc (newmemosize, sizeof (struct memolineoffset_stBM));
if (!newmemolines)
FATAL_BM ("calloc failed for newmemosize=%u", newmemosize);
memcpy (newmemolines, pars->pars_memolines, //
(pars->pars_memolcount) *
sizeof (struct memolineoffset_stBM));
free (pars->pars_memolines);
pars->pars_memolines = newmemolines;
pars->pars_memolsize = newmemosize;
};
struct memolineoffset_stBM *curmemoline =
pars->pars_memolines + curmemlcount;
curmemoline->memli_off = curoff;
curmemoline->memli_lineno = pars->pars_lineno;
curmemoline->memli_linebylen = (unsigned) pars->pars_linelen;
pars->pars_memolcount = curmemlcount + 1;
}
pars->pars_lineno++;
if (!g_utf8_validate (pars->pars_linebuf, pars->pars_linelen, NULL))
FATAL_BM ("invalid UTF8 line %s:%d", pars->pars_path,
pars->pars_lineno);
return true;
}
else if (pars->pars_linelen < 0)
{
pars->pars_curbyte = NULL;
pars->pars_colpos = 0;
}
return false;
} /* end parsernextline_BM */
void
parserseek_BM (struct parser_stBM *pars, unsigned lineno, unsigned colpos)
{
if (!isparser_BM (pars))
return;
if (lineno != pars->pars_lineno)
{
unsigned memolcnt = pars->pars_memolcount;
unsigned lo = 0, hi = memolcnt;
struct memolineoffset_stBM *memolines = pars->pars_memolines;
while (lo + 8 < hi)
{
unsigned md = (lo + hi) / 2;
if (memolines[md].memli_lineno < (int) lineno)
lo = md;
else
hi = md;
}
long startoff = 0;
int startlineno = 0;
int ix = 0;
for (ix = (int) (hi - 1); ix >= (int) lo; ix--)
{
if (memolines[ix].memli_lineno <= (int) lineno)
{
startoff = memolines[ix].memli_off;
startlineno = memolines[ix].memli_lineno;
break;
}
}
if (fseek (pars->pars_file, SEEK_SET, startoff) < 0)
FATAL_BM ("fseek startoff=%ld failure", startoff);
pars->pars_lineno = startlineno;
do
{
pars->pars_linelen =
getline (&pars->pars_linebuf, &pars->pars_linesiz,
pars->pars_file);
if (pars->pars_linelen < 0)
FATAL_BM ("getline failed line#%d", pars->pars_lineno);
if (pars->pars_lineno == lineno)
break;
pars->pars_lineno++;
}
while (lineno < pars->pars_lineno);
}
else
{ //lineno == pars->pars_lineno
pars->pars_curbyte = pars->pars_linebuf;
pars->pars_colpos = 0;
}
if (!g_utf8_validate (pars->pars_linebuf, pars->pars_linelen, NULL))
FATAL_BM ("invalid UTF8 line %s:%d", pars->pars_path, pars->pars_lineno);
while (pars->pars_colpos < colpos)
{
if (!pars->pars_curbyte
|| *pars->pars_curbyte == (char) 0
|| pars->pars_curbyte >= pars->pars_linebuf + pars->pars_linelen)
break;
const char *pc = pars->pars_curbyte;
if (!*pc)
break;
const char *nextpc = g_utf8_next_char (pc);
pars->pars_curbyte = nextpc;
pars->pars_colpos++;
}
} /* end of parserseek_BM */
void
parsererrorprintf_BM (struct parser_stBM *pars, struct stackframe_stBM *stkf,
unsigned line, unsigned col, const char *fmt, ...)
{
if (!isparser_BM (pars))
FATAL_BM ("non parser argument to parsererrorprintf_BM with format %s",
fmt);
va_list args;
char *buf = NULL;
va_start (args, fmt);
if (vasprintf (&buf, fmt, args) < 0 || !buf)
FATAL_BM ("vasprintf failed format %s", fmt);
va_end (args);
const struct parserops_stBM *parsops = pars->pars_ops;
if (parsops)
{
ASSERT_BM (parsops->parsop_magic == PARSOPMAGIC_BM);
if (parsops && parsops->parsop_error_rout)
{
parsops->parsop_error_rout (pars, stkf, line, col, buf);
}
};
FATAL_BM ("%s:%d:%d: PARSER ERROR : %s", pars->pars_path, line, col, buf);
} /* end parsererrorprintf_BM */
void
objparserrorprintf_BM (objectval_tyBM * obpars, struct stackframe_stBM *stkf,
unsigned line, unsigned col, const char *fmt, ...)
{
va_list args;
char *buf = NULL;
va_start (args, fmt);
if (vasprintf (&buf, fmt, args) < 0 || !buf)
FATAL_BM ("vasprintf failed format %s", fmt);
va_end (args);
struct parser_stBM *pars = objparserpayload_BM (obpars);
if (pars)
{
const struct parserops_stBM *parsops = pars->pars_ops;
if (parsops)
{
ASSERT_BM (parsops->parsop_magic == PARSOPMAGIC_BM);
if (parsops && parsops->parsop_error_rout)
{
parsops->parsop_error_rout (pars, stkf, line, col, buf);
}
};
FATAL_BM ("%s:%d:%d: OBJPARSER ERROR <%s>: %s", pars->pars_path, line,
col, objectdbg_BM (obpars), buf);
}
else
FATAL_BM ("<%s>:%d:%d: OBJPARSER ERROR : %s", objectdbg_BM (obpars), line,
col, buf);
} /* end objparserrorprintf_BM */
void
parserskipspaces_BM (struct parser_stBM *pars, struct stackframe_stBM *stkf)
{
if (!isparser_BM (pars))
return;
const struct parserops_stBM *parsops = pars->pars_ops;
ASSERT_BM (!parsops || parsops->parsop_magic == PARSOPMAGIC_BM);
for (;;)
{
const char *restlines = parserrestline_BM (pars);
if (!restlines)
break;
if (isspace (restlines[0]))
{
pars->pars_colpos++, pars->pars_curbyte++;
continue;
}
if (restlines[0] == (char) 0)
{
if (!parsernextline_BM (pars))
return;
continue;
}
if (restlines[0] == '/' && restlines[1] == '/')
{
if (parsops && parsops->parsop_decorate_comment_sign_rout)
parsops->parsop_decorate_comment_sign_rout //
(pars, pars->pars_lineno, pars->pars_colpos, 2);
if (parsops && parsops->parsop_decorate_comment_inside_rout)
parsops->parsop_decorate_comment_inside_rout //
(pars, pars->pars_lineno, pars->pars_colpos + 2,
g_utf8_strlen (restlines + 2, -1));
if (!parsernextline_BM (pars))
return;
continue;
}
else if (restlines[0] == '|')
{
unsigned curlineno = parserlineno_BM (pars);
unsigned curcol = parsercolpos_BM (pars);
if (parsops && parsops->parsop_decorate_comment_sign_rout)
parsops->parsop_decorate_comment_sign_rout //
(pars, curlineno, curcol, 1);
for (;;)
{
if (!parseradvanceutf8_BM (pars, 1) || parsereol_BM (pars)
|| parserendoffile_BM (pars))
{
char begcomment[40] = { };
const gchar *endcomm = NULL;
strncpy (begcomment, restlines, sizeof (begcomment) - 1);
g_utf8_validate (begcomment, -1, &endcomm);
*(char *) endcomm = 0;
parsererrorprintf_BM (pars, stkf, curlineno, curcol,
"unterminated comment %s",
begcomment);
}
if (parserunichar_BM (pars) == (gunichar) '|')
{
if (parsops && parsops->parsop_decorate_comment_sign_rout)
parsops->parsop_decorate_comment_sign_rout //
(pars, pars->pars_lineno, pars->pars_colpos, 1);
if (parsops && parsops->parsop_decorate_comment_inside_rout)
parsops->parsop_decorate_comment_inside_rout //
(pars, pars->pars_lineno, curcol + 1,
pars->pars_colpos - curcol);
parseradvanceutf8_BM (pars, 1);
break;
}
}
}
else
return;
}
} /* end parserskipspaces_BM */
void
gctokenmark_BM (struct garbcoll_stBM *gc, struct parstoken_stBM *tok)
{
ASSERT_BM (gc && gc->gc_magic == GCMAGIC_BM);
ASSERT_BM (tok != NULL);
switch (tok->tok_kind)
{
case plex__NONE:
FATAL_BM ("empty token @%p", (void *) tok);
case plex_LLONG:
case plex_DOUBLE:
case plex_DELIM:
case plex_ID:
break;
case plex_CNAME:
VALUEGCPROC_BM (gc, tok->tok_cname, 0);
break;
case plex_WORD:
VALUEGCPROC_BM (gc, tok->tok_word, 0);
break;
case plex_STRING:
VALUEGCPROC_BM (gc, tok->tok_string, 0);
break;
case plex_NAMEDOBJ:
gcobjmark_BM (gc, tok->tok_namedobj);
break;
};
} /* end gctokenmark_BM */
// return the number of Unicode chars in the plain cord
static unsigned
parse_plain_cord_BM (struct parser_stBM *pars, FILE * memfil,
struct stackframe_stBM *stkf)
{
ASSERT_BM (isparser_BM (pars));
ASSERT_BM (memfil != NULL);
const struct parserops_stBM *parsop = pars->pars_ops;
const char *restlin = parserrestline_BM (pars);
ASSERT_BM (restlin && *restlin == '"');
if (pars->pars_debug)
DBGPRINTF_BM ("parseplaincord start L%dC%d restlin@%p:%s",
pars->pars_lineno, pars->pars_colpos, restlin, restlin);
// pars->pars_colpos is the column of restlin
ASSERT_BM (!parsop || parsop->parsop_magic == PARSOPMAGIC_BM);
if (parsop && parsop->parsop_decorate_string_sign_rout)
parsop->parsop_decorate_string_sign_rout (pars, pars->pars_lineno,
pars->pars_colpos, 1);
const char *pc = restlin + 1;
const char *startplain = restlin + 1;
unsigned nbc = 0;
while (*pc)
{
if (pars->pars_debug)
DBGPRINTF_BM ("parseplaincord pc@%p+%d:%s", pc,
(int) (pc - startplain), pc);
if (*pc == '"')
break;
else if (*pc == '\n')
break;
else if (*pc == '\\')
{
// decorate as inside from startplain to pc-1
if (parsop && parsop->parsop_decorate_string_inside_rout
&& startplain < pc - 1)
{
int bytwid = pc - startplain;
int colwid = g_utf8_strlen (startplain, bytwid);
int startcol = pars->pars_colpos + g_utf8_strlen (restlin,
startplain -
restlin);
if (pars->pars_debug)
DBGPRINTF_BM
("parseplaincord beforebackslash stringinside L%dC%d w%d b%d, startplain@%p:%*s\n",
pars->pars_lineno, startcol, colwid, bytwid, startplain,
bytwid, startplain);
parsop->parsop_decorate_string_inside_rout //
(pars, pars->pars_lineno, startcol, colwid);
}
const char *oldpc = pc;
char nc = pc[1];
int pos = -1;
int b = 0;
switch (nc)
{
case '\'':
case '\"':
case '\\':
b = nc;
fputc (nc, memfil);
nbc++;
pc += 2;
startplain = pc;
break;
case 'a':
b = '\a';
fputc (b, memfil);
nbc++;
pc += 2;
startplain = pc;
break;
case 'b':
b = '\b';
fputc (b, memfil);
nbc++;
pc += 2;
startplain = pc;
break;
case 'f':
b = '\f';
fputc (b, memfil);
nbc++;
pc += 2;
startplain = pc;
break;
case 'n':
b = '\n';
fputc (b, memfil);
nbc++;
pc += 2;
startplain = pc;
break;
case 'r':
b = '\r';
fputc (b, memfil);
nbc++;
pc += 2;
startplain = pc;
break;
case 't':
b = '\t';
fputc (b, memfil);
nbc++;
pc += 2;
startplain = pc;
break;
case 'v':
b = '\v';
fputc (b, memfil);
nbc++;
pc += 2;
startplain = pc;
break;
case 'e':
b = '\033' /*ESCAPE*/;
fputc (b, memfil);
nbc++;
pc += 2;
startplain = pc;
break;
case 'x':
if (sscanf (pc + 1, "%02x%n", &b, &pos) > 0 && pos == 2
&& b > 0 && b <= 127)
{
fputc (b, memfil);
pc += 3;
nbc++;
startplain = pc;
break;
}
else
parsererrorprintf_BM (pars, stkf, pars->pars_lineno,
pars->pars_colpos, "bad hex escape %s",
pc);
case 'o':
if (sscanf (pc + 1, "%03o%n", &b, &pos) > 0 && pos == 3
&& b > 0 && b <= 127)
{
fputc (b, memfil);
pc += 3;
nbc++;
startplain = pc;
break;
}
else
parsererrorprintf_BM (pars, stkf, pars->pars_lineno,
pars->pars_colpos,
"bad octal escape %s", pc);
case 'u':
if (sscanf (pc + 2, "%04x%n", &b, &pos) > 0 && pos == 4
&& b > 0)
{
char ebuf[8];
memset (ebuf, 0, sizeof (ebuf));
g_unichar_to_utf8 ((gunichar) b, ebuf);
fputs (ebuf, memfil);
nbc++;
pc += 6;
startplain = pc;
break;
}
else
parsererrorprintf_BM (pars, stkf, pars->pars_lineno,
pars->pars_colpos,
"bad unicode4 escape %s", pc);
case 'U':
if (sscanf (pc + 2, "%08x%n", &b, &pos) > 0 && pos == 8
&& b > 0)
{
char ebuf[8];
memset (ebuf, 0, sizeof (ebuf));
g_unichar_to_utf8 ((gunichar) b, ebuf);
fputs (ebuf, memfil);
nbc++;
pc += 9;
startplain = pc;
break;
}
else
parsererrorprintf_BM (pars, stkf, pars->pars_lineno,
pars->pars_colpos,
"bad unicode8 escape %s", pc);
case '\0':
parsererrorprintf_BM (pars, stkf, pars->pars_lineno,
pars->pars_colpos, "bad null escape %s",
pc);
default:
b = nc;
fputc (b, memfil);
nbc++;
pc += 2;
startplain = pc;
break;
} /* end switch nc */
if (pars->pars_debug)
DBGPRINTF_BM
("parseplaincord backslash stringsign pc@%p:%s\n"
".. startplain@%p:%s\n"
".. L%dC%d w%d\n",
pc, pc, startplain, startplain,
pars->pars_lineno,
(int) (pars->pars_colpos +
g_utf8_strlen (restlin, oldpc - restlin)),
(int) g_utf8_strlen (oldpc, pc - oldpc));
if (b && parsop && parsop->parsop_decorate_string_sign_rout)
parsop->parsop_decorate_string_sign_rout //
(pars,
pars->pars_lineno,
pars->pars_colpos + g_utf8_strlen (restlin, oldpc - restlin),
g_utf8_strlen (oldpc, pc - oldpc));
}
else if (*pc >= ' ' && *pc < 127)
{ // ASCII char
fputc (*pc, memfil);
nbc++;
pc++;
}
else
{ // probably some multibyte UTF8 char
const char *npc = g_utf8_next_char (pc);
fwrite (pc, npc - pc, 1, memfil);
nbc++;
pc = npc;
}
};
if (pars->pars_debug)
DBGPRINTF_BM ("parseplaincord endloop pc@%p:%s\n...startplain@%p:%s\n",
pc, pc, startplain, startplain);
if (*pc == '"') /// ending quote
{
int endbyt = pc - restlin;
int endcol = pars->pars_colpos + g_utf8_strlen (restlin, endbyt);
int startbyt = startplain - restlin;
int startcol = pars->pars_colpos + g_utf8_strlen (restlin, startbyt);
if (pars->pars_debug)
DBGPRINTF_BM
("parseplaincord endquot stringinside endquot L%dC%d startcol%d\n"
"..pc@%p:%s\n"
"..startplain@%p:%s\n",
pars->pars_lineno, endcol, startcol, pc, pc,
startplain, startplain);
// decorate as stringinside from startplain to pc
if (parsop && parsop->parsop_decorate_string_inside_rout
&& startplain < pc)
{
int plainbyt = pc - startplain;
int plainwid = g_utf8_strlen (startplain, plainbyt);
if (pars->pars_debug)
DBGPRINTF_BM
("parseplaincord endquot inside L%dC%d w%d b%d",
pars->pars_lineno, startcol, plainwid, plainbyt);
parsop->parsop_decorate_string_inside_rout //
(pars, pars->pars_lineno, startcol, plainwid);
}
if (pars->pars_debug)
DBGPRINTF_BM ("parseplaincord stringsign endquot L%dC%d w:one",
pars->pars_lineno, endcol);
if (parsop && parsop->parsop_decorate_string_sign_rout)
parsop->parsop_decorate_string_sign_rout
(pars, pars->pars_lineno, endcol, 1);
pc++;
}
else
parsererrorprintf_BM (pars, stkf, pars->pars_lineno, pars->pars_colpos,
"bad plain cord ending %s", pc);
pars->pars_colpos += g_utf8_strlen (restlin, pc - restlin);
pars->pars_curbyte = pc;
if (pars->pars_debug)
DBGPRINTF_BM ("parsepaincord final L%dC%d\n", pars->pars_lineno,
pars->pars_colpos);
return nbc;
} /* end parse_plain_cord_BM */
// return the number of Unicode chars in the raw cord
static unsigned
parse_raw_cord_BM (struct parser_stBM *pars, const char *run, FILE * memfil,
struct stackframe_stBM *stkf)
{
ASSERT_BM (isparser_BM (pars));
ASSERT_BM (memfil != NULL);
char endrunbuf[2 * RUNLEN_BM + 12] = "";
unsigned runlen = strlen (run);
ASSERT_BM (runlen <= RUNLEN_BM);
unsigned nbc = 0;
const char *restlin = parserrestline_BM (pars);
ASSERT_BM (restlin && restlin[0] == '/' && restlin[1] == '"'
&& !strncmp (restlin + 2, run, runlen)
&& restlin[runlen + 3] == '(');
const char *curstart = restlin + runlen + 4;
snprintf (endrunbuf, sizeof (endrunbuf), ")%s\"/", run);
for (;;)
{
char *ends = strstr (curstart, endrunbuf);
if (ends)
{
fwrite (curstart, ends - curstart, 1, memfil);
unsigned plen = g_utf8_strlen (curstart, ends - curstart);
nbc += plen;
pars->pars_curbyte += (ends - curstart) + strlen (endrunbuf);
pars->pars_colpos += plen + strlen (endrunbuf);
break;
}
else
{
fputs (curstart, memfil);
unsigned plen = g_utf8_strlen (curstart, -1);
pars->pars_curbyte += strlen (curstart);
pars->pars_colpos += plen;
if (!parsernextline_BM (pars))
parsererrorprintf_BM (pars, stkf, pars->pars_lineno,
pars->pars_colpos, "unterminated raw cord");
restlin = parserrestline_BM (pars);
curstart = restlin;
ASSERT_BM (restlin != NULL);
continue;
}
};
return nbc;
} /* end parse_raw_cord_BM */
static const stringval_tyBM *
parse_cords_BM (struct parser_stBM *pars, struct stackframe_stBM *stkf)
{
if (!isparser_BM ((const value_tyBM) pars))
return NULL;
const struct parserops_stBM *parsops = pars->pars_ops;
ASSERT_BM (!parsops || parsops->parsop_magic == PARSOPMAGIC_BM);
bool nobuild = parsops && parsops->parsop_nobuild;
parserskipspaces_BM (pars, stkf);
const char *restlin = parserrestline_BM (pars);
if (!restlin)
return NULL;
if (restlin[0] != '"' && (restlin[0] != '/' && restlin[1] != '"'))
return NULL;
char runbuf[RUNLEN_BM + 8] = "";
int runlen = -1;
size_t bufsiz = 256;
char *cbuf = malloc (bufsiz);
if (!cbuf)
FATAL_BM ("malloc for cord of %ld failed (%m)", (long) bufsiz);
memset (cbuf, 0, bufsiz);
FILE *filmem = open_memstream (&cbuf, &bufsiz);
if (!filmem)
FATAL_BM ("open_memstream failed (%m)");
bool againcord = false;
unsigned long cumulchars = 0;
do
{
againcord = false;
restlin = parserrestline_BM (pars);
if (!restlin)
break;
if (restlin[0] == '"')
cumulchars += parse_plain_cord_BM (pars, filmem, stkf);
else if (restlin[0] == '/' && restlin[1] == '"'
&& ((runlen = -1), (memset (runbuf, 0, sizeof (runbuf))),
sscanf (restlin, "/\"" RUNFMT_BM "(%n", runbuf,
&runlen) > 0) && runlen > 0)
cumulchars += parse_raw_cord_BM (pars, runbuf, filmem, stkf);
else
{
fclose (filmem);
free (cbuf), cbuf = NULL;
parsererrorprintf_BM (pars, stkf, pars->pars_lineno,
pars->pars_colpos, "bad cord %s", restlin);
}
restlin = parserrestline_BM (pars);
if (!restlin)
break;
if (restlin[0] == '&')
{
pars->pars_colpos++;
pars->pars_curbyte++;
againcord = true;
}
else if (restlin[0] == '+')
{
pars->pars_colpos++;
pars->pars_curbyte++;
fputc ('\n', filmem);
cumulchars++;
againcord = true;
}
else
break;
parserskipspaces_BM (pars, stkf);
if (cumulchars >= MAXSIZE_BM)
{
fclose (filmem);
free (cbuf);
parsererrorprintf_BM (pars, stkf, pars->pars_lineno,
pars->pars_colpos, "too long string (%lu)",
cumulchars);
}
}
while (againcord);
fputc ((char) 0, filmem);
fflush (filmem);
const stringval_tyBM *str = nobuild ? NULL : (makestring_BM (cbuf));
fclose (filmem);
free (cbuf), cbuf = NULL;
return str;
} /* end parse_cords_BM */
#define EUROBYTELEN_BM 3 /* strlen("€") */
parstoken_tyBM
parsertokenget_BM (struct parser_stBM *pars, struct stackframe_stBM *stkf)
{
ASSERT_BM (strlen ("€") == EUROBYTELEN_BM);
if (!isparser_BM ((const value_tyBM) pars))
return EMPTY_TOKEN_BM;
const struct parserops_stBM *parsop = pars->pars_ops;
ASSERT_BM (!parsop || parsop->parsop_magic == PARSOPMAGIC_BM);
bool nobuild = parsop && parsop->parsop_nobuild;
const char *restlin = NULL;
again:
parserskipspaces_BM (pars, stkf);
restlin = parserrestline_BM (pars);
if (restlin && restlin[0] == (char) 0)
{
if (parserendoffile_BM (pars))
return EMPTY_TOKEN_BM;
goto again;
}
if (!restlin)
return EMPTY_TOKEN_BM;
int curlin = parserlineno_BM (pars);
int curcol = parsercolpos_BM (pars);
if (isdigit (restlin[0])
|| ((restlin[0] == '+' || restlin[0] == '-') && isdigit (restlin[1])))
{
char *endint = NULL;
char *endflo = NULL;
long long ll = strtoll (restlin, &endint, 0);
if (endint && *endint == '.')
{
double x = strtod (restlin, &endflo);
if (endflo > endint)
{
unsigned coldbl = g_utf8_strlen (restlin, endflo - restlin);
if (parsop && parsop->parsop_decorate_number_rout)
parsop->parsop_decorate_number_rout //
(pars, pars->pars_lineno, pars->pars_colpos, coldbl);
pars->pars_curbyte = endflo;
pars->pars_colpos += coldbl;
if (pars->pars_debug)
DBGPRINTF_BM ("parsertokenget_BM L%dC%d double %g",
curlin, curcol, x);
return (parstoken_tyBM)
{
.tok_kind = plex_DOUBLE,.tok_line = curlin,.tok_col =
curcol,.tok_dbl = x};
}
else
{
WARNPRINTF_BM ("your locale should be C.UTF-8,\n"
" but LC_ALL is %s,\n"
" LC_CTYPE is %s,\n"
" LC_NUMERIC is %s",
setlocale (LC_ALL, NULL),
setlocale (LC_CTYPE, NULL),
setlocale (LC_NUMERIC, NULL));
FATAL_BM
("bad lexing (perhaps wrong locale) of double (endflo=%s) for %s",
endflo, restlin);
}
}
if (endint > restlin)
{
unsigned colint = g_utf8_strlen (restlin, endint - restlin);
if (parsop && parsop->parsop_decorate_number_rout)
parsop->parsop_decorate_number_rout //
(pars, pars->pars_lineno, pars->pars_colpos, colint);
pars->pars_curbyte = endint;
pars->pars_colpos += colint;
return (parstoken_tyBM)
{
.tok_kind = plex_LLONG,.tok_line = curlin,.tok_col =
curcol,.tok_llong = ll};
}
}
// parse ids
else if (restlin[0] == '_' && isdigit (restlin[1]))
{
const char *endid = NULL;
rawid_tyBM id = parse_rawid_BM (restlin, &endid);
if (id.id_hi != 0 && endid != NULL && endid > restlin)
{
ASSERT_BM (endid == restlin + IDLEN_BM);
if (parsop && parsop->parsop_decorate_id_rout)
parsop->parsop_decorate_id_rout //
(pars, pars->pars_lineno, pars->pars_colpos, IDLEN_BM);
pars->pars_curbyte += IDLEN_BM;
pars->pars_colpos += IDLEN_BM;
return (parstoken_tyBM)
{
.tok_kind = plex_ID,.tok_line = curlin,.tok_col = curcol,.tok_id =
id};
}
else
parsererrorprintf_BM (pars, stkf, pars->pars_lineno,
pars->pars_colpos, "bad ident %s", restlin);
}
// parse nil id
else if (restlin[0] == '_' && restlin[1] == '_'
&& !isalnum (restlin[2]) && restlin[2] != '_')
{