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implemented @pragma implicit on/off in awk

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This commit is contained in:
hyung-hwan 2019-05-10 10:01:03 +00:00
parent 72c27c7e48
commit eb9413907b
7 changed files with 177 additions and 104 deletions
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3
qse/lib/awk/awk-prv.h
View File

@ -216,6 +216,9 @@ struct qse_awk_t
qse_size_t incl;
} depth;
/* current pragma values */
int pragmas;
/* function calls */
qse_htb_t* funs;

1
qse/lib/awk/awk.c
View File

@ -347,6 +347,7 @@ void qse_awk_clear (qse_awk_t* awk)
awk->parse.depth.loop = 0;
awk->parse.depth.expr = 0;
awk->parse.depth.incl = 0;
awk->parse.pragmas = (awk->opt.trait & QSE_AWK_IMPLICIT);
/* clear parse trees */
/*awk->tree.ngbls_base = 0;

26
qse/lib/awk/misc-imp.h
View File

@ -1,3 +1,29 @@
/*
* $Id$
*
Copyright (c) 2006-2014 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.
*/
/* this file is supposed to be included by misc.c */

211
qse/lib/awk/parse.c
View File

@ -118,6 +118,7 @@ enum tok_t
TOK_XGLOBAL,
TOK_XLOCAL,
TOK_XINCLUDE,
TOK_XPRAGMA,
TOK_XABORT,
TOK_XRESET,
@ -262,6 +263,7 @@ static kwent_t kwtab[] =
{ { QSE_T("@global"), 7 }, TOK_XGLOBAL, 0 },
{ { QSE_T("@include"), 8 }, TOK_XINCLUDE, 0 },
{ { QSE_T("@local"), 6 }, TOK_XLOCAL, 0 },
{ { QSE_T("@pragma"), 7 }, TOK_XPRAGMA, 0 },
{ { QSE_T("@reset"), 6 }, TOK_XRESET, 0 },
{ { QSE_T("BEGIN"), 5 }, TOK_BEGIN, QSE_AWK_PABLOCK },
{ { QSE_T("END"), 3 }, TOK_END, QSE_AWK_PABLOCK },
@ -692,7 +694,7 @@ int qse_awk_parse (qse_awk_t* awk, qse_awk_sio_t* sio)
awk->sio.arg.pragmas = 0;
awk->sio.inp = &awk->sio.arg;
n = parse (awk);
n = parse(awk);
if (n == 0 && awk->sio.outf != QSE_NULL) n = deparse (awk);
QSE_ASSERT (awk->parse.depth.loop == 0);
@ -724,7 +726,9 @@ static int end_include (qse_awk_t* awk)
awk->sio.inp = awk->sio.inp->prev;
QSE_ASSERT (cur->name != QSE_NULL);
QSE_AWK_FREE (awk, cur);
/* restore the pragma values */
awk->parse.pragmas = cur->pragmas;
qse_awk_freemem (awk, cur);
awk->parse.depth.incl--;
if (x != 0)
@ -787,7 +791,7 @@ static int begin_include (qse_awk_t* awk)
arg->name = (const qse_char_t*)(link + 1);
arg->line = 1;
arg->colm = 1;
arg->pragmas = 0;
/* let the argument's prev field point to the current */
arg->prev = awk->sio.inp;
@ -800,6 +804,13 @@ static int begin_include (qse_awk_t* awk)
goto oops;
}
/* store the pragma value */
arg->pragmas = awk->parse.pragmas;
/* but don't change awk->parse.pragmas. it means the included file inherits
* the existing progma values.
awk->parse.pragmas = (awk->option.trait & QSE_AWK_IMPLICIT);
*/
/* i update the current pointer after opening is successful */
awk->sio.inp = arg;
awk->parse.depth.incl++;
@ -837,7 +848,7 @@ static int parse_progunit (qse_awk_t* awk)
QSE_ASSERT (awk->parse.depth.loop == 0);
if (MATCH(awk,TOK_XGLOBAL))
if (MATCH(awk, TOK_XGLOBAL))
{
qse_size_t ngbls;
@ -847,16 +858,14 @@ static int parse_progunit (qse_awk_t* awk)
QSE_ASSERT (awk->tree.ngbls == QSE_ARR_SIZE(awk->parse.gbls));
ngbls = awk->tree.ngbls;
if (collect_globals (awk) == QSE_NULL)
if (collect_globals(awk) == QSE_NULL)
{
qse_arr_delete (
awk->parse.gbls, ngbls,
QSE_ARR_SIZE(awk->parse.gbls) - ngbls);
qse_arr_delete (awk->parse.gbls, ngbls, QSE_ARR_SIZE(awk->parse.gbls) - ngbls);
awk->tree.ngbls = ngbls;
return -1;
}
}
else if (MATCH(awk,TOK_XINCLUDE))
else if (MATCH(awk, TOK_XINCLUDE))
{
if (awk->opt.depth.s.incl > 0 &&
awk->parse.depth.incl >= awk->opt.depth.s.incl)
@ -867,25 +876,74 @@ static int parse_progunit (qse_awk_t* awk)
if (get_token(awk) <= -1) return -1;
if (!MATCH(awk,TOK_STR))
if (!MATCH(awk, TOK_STR))
{
SETERR_LOC (awk, QSE_AWK_EINCLSTR, &awk->ptok.loc);
return -1;
}
if (begin_include (awk) <= -1) return -1;
if (begin_include(awk) <= -1) return -1;
/* i just return without doing anything special
* after having setting up the environment for file
* inclusion. the loop in parse() proceeds to call
* parse_progunit() */
}
else if (MATCH(awk,TOK_FUNCTION))
else if (MATCH(awk, TOK_XPRAGMA))
{
qse_cstr_t name;
if (get_token(awk) <= -1) return -1;
if (!MATCH(awk, TOK_IDENT))
{
qse_awk_seterrfmt (awk, QSE_AWK_EIDENT, &awk->ptok.loc, QSE_T("identifier expected for '@pragma'"));
return -1;
}
name.len = QSE_STR_LEN(awk->tok.name);
name.ptr = QSE_STR_PTR(awk->tok.name);
if (qse_strxcmp(name.ptr, name.len, QSE_T("implicit")) == 0)
{
if (get_token(awk) <= -1) return -1;
if (!MATCH(awk, TOK_IDENT))
{
error_ident_on_off_expected_for_implicit:
qse_awk_seterrfmt (awk, QSE_AWK_EIDENT, &awk->ptok.loc, QSE_T("identifier 'on' or 'off' expected for 'implicit'"));
return -1;
}
name.len = QSE_STR_LEN(awk->tok.name);
name.ptr = QSE_STR_PTR(awk->tok.name);
if (qse_strxcmp(name.ptr, name.len, QSE_T("on")) == 0)
{
awk->parse.pragmas |= QSE_AWK_IMPLICIT;
}
else if (qse_strxcmp(name.ptr, name.len, QSE_T("off")) == 0)
{
awk->parse.pragmas &= ~QSE_AWK_IMPLICIT;
}
else
{
goto error_ident_on_off_expected_for_implicit;
}
}
else
{
qse_awk_seterrfmt (awk, QSE_AWK_EIDENT, &awk->ptok.loc, QSE_T("unknown @pragma identifier - %.*s"), (int)name.len, name.ptr);
return -1;
}
if (get_token(awk) <= -1) return -1;
if (MATCH(awk,TOK_SEMICOLON) && get_token(awk) <= -1) return -1;
}
else if (MATCH(awk, TOK_FUNCTION))
{
awk->parse.id.block = PARSE_FUNCTION;
if (parse_function (awk) == QSE_NULL) return -1;
if (parse_function(awk) == QSE_NULL) return -1;
}
else if (MATCH(awk,TOK_BEGIN))
else if (MATCH(awk, TOK_BEGIN))
{
if ((awk->opt.trait & QSE_AWK_PABLOCK) == 0)
{
@ -896,7 +954,7 @@ static int parse_progunit (qse_awk_t* awk)
awk->parse.id.block = PARSE_BEGIN;
if (get_token(awk) <= -1) return -1;
if (MATCH(awk,TOK_NEWLINE) || MATCH(awk,TOK_EOF))
if (MATCH(awk, TOK_NEWLINE) || MATCH(awk, TOK_EOF))
{
/* when QSE_AWK_NEWLINE is set,
* BEGIN and { should be located on the same line */
@ -904,20 +962,19 @@ static int parse_progunit (qse_awk_t* awk)
return -1;
}
if (!MATCH(awk,TOK_LBRACE))
if (!MATCH(awk, TOK_LBRACE))
{
SETERR_TOK (awk, QSE_AWK_ELBRACE);
return -1;
}
awk->parse.id.block = PARSE_BEGIN_BLOCK;
if (parse_begin (awk) == QSE_NULL) return -1;
if (parse_begin(awk) == QSE_NULL) return -1;
/* skip a semicolon after an action block if any */
if (MATCH(awk,TOK_SEMICOLON) &&
get_token (awk) <= -1) return -1;
if (MATCH(awk, TOK_SEMICOLON) && get_token(awk) <= -1) return -1;
}
else if (MATCH(awk,TOK_END))
else if (MATCH(awk, TOK_END))
{
if ((awk->opt.trait & QSE_AWK_PABLOCK) == 0)
{
@ -928,7 +985,7 @@ static int parse_progunit (qse_awk_t* awk)
awk->parse.id.block = PARSE_END;
if (get_token(awk) <= -1) return -1;
if (MATCH(awk,TOK_NEWLINE) || MATCH(awk,TOK_EOF))
if (MATCH(awk, TOK_NEWLINE) || MATCH(awk, TOK_EOF))
{
/* when QSE_AWK_NEWLINE is set,
* END and { should be located on the same line */
@ -936,20 +993,19 @@ static int parse_progunit (qse_awk_t* awk)
return -1;
}
if (!MATCH(awk,TOK_LBRACE))
if (!MATCH(awk, TOK_LBRACE))
{
SETERR_TOK (awk, QSE_AWK_ELBRACE);
return -1;
}
awk->parse.id.block = PARSE_END_BLOCK;
if (parse_end (awk) == QSE_NULL) return -1;
if (parse_end(awk) == QSE_NULL) return -1;
/* skip a semicolon after an action block if any */
if (MATCH(awk,TOK_SEMICOLON) &&
get_token (awk) <= -1) return -1;
if (MATCH(awk,TOK_SEMICOLON) && get_token (awk) <= -1) return -1;
}
else if (MATCH(awk,TOK_LBRACE))
else if (MATCH(awk, TOK_LBRACE))
{
/* patternless block */
if ((awk->opt.trait & QSE_AWK_PABLOCK) == 0)
@ -959,11 +1015,10 @@ static int parse_progunit (qse_awk_t* awk)
}
awk->parse.id.block = PARSE_ACTION_BLOCK;
if (parse_action_block (awk, QSE_NULL, 0) == QSE_NULL) return -1;
if (parse_action_block(awk, QSE_NULL, 0) == QSE_NULL) return -1;
/* skip a semicolon after an action block if any */
if (MATCH(awk,TOK_SEMICOLON) &&
get_token (awk) <= -1) return -1;
if (MATCH(awk, TOK_SEMICOLON) && get_token(awk) <= -1) return -1;
}
else
{
@ -1442,8 +1497,7 @@ static qse_awk_chain_t* parse_action_block (
return chain;
}
static qse_awk_nde_t* parse_block (
qse_awk_t* awk, const qse_awk_loc_t* xloc, int istop)
static qse_awk_nde_t* parse_block (qse_awk_t* awk, const qse_awk_loc_t* xloc, int istop)
{
qse_awk_nde_t* head, * curr, * nde;
qse_awk_nde_blk_t* block;
@ -5099,7 +5153,8 @@ static qse_awk_nde_t* parse_primary_ident_noseg (qse_awk_t* awk, const qse_awk_l
#endif
}
}
else if (awk->opt.trait & QSE_AWK_IMPLICIT)
/*else if (awk->opt.trait & QSE_AWK_IMPLICIT) */
else if (awk->parse.pragmas & QSE_AWK_IMPLICIT)
{
/* if the name is followed by ( without spaces,
* it's considered a function call though the name
@ -5420,7 +5475,8 @@ static qse_awk_nde_t* parse_hashidx (qse_awk_t* awk, const qse_cstr_t* name, con
return (qse_awk_nde_t*)nde;
}
if (awk->opt.trait & QSE_AWK_IMPLICIT)
/*if (awk->opt.trait & QSE_AWK_IMPLICIT) */
if (awk->parse.pragmas & QSE_AWK_IMPLICIT)
{
int fnname = isfnname(awk, name);
switch (fnname)
@ -6524,74 +6580,44 @@ static int deparse (qse_awk_t* awk)
qse_awk_getkwname (awk, QSE_AWK_KWID_XGLOBAL, &kw);
if (qse_awk_putsrcstrn(awk,kw.ptr,kw.len) <= -1 ||
qse_awk_putsrcstr (awk, QSE_T(" ")) <= -1)
{
EXIT_DEPARSE ();
}
qse_awk_putsrcstr (awk, QSE_T(" ")) <= -1) EXIT_DEPARSE ();
for (i = awk->tree.ngbls_base; i < awk->tree.ngbls - 1; i++)
{
if (!(awk->opt.trait & QSE_AWK_IMPLICIT))
{
/* use the actual name if no named variable
* is allowed */
if (qse_awk_putsrcstrn (awk,
QSE_ARR_DPTR(awk->parse.gbls,i),
QSE_ARR_DLEN(awk->parse.gbls,i)) <= -1)
{
EXIT_DEPARSE ();
}
/* use the actual name if no named variable is allowed */
if (qse_awk_putsrcstrn (awk, QSE_ARR_DPTR(awk->parse.gbls, i), QSE_ARR_DLEN(awk->parse.gbls, i)) <= -1) EXIT_DEPARSE ();
}
else
{
len = qse_awk_inttostr (
awk, (qse_awk_int_t)i,
10, QSE_T("__g"), tmp, QSE_COUNTOF(tmp));
len = qse_awk_inttostr (awk, (qse_awk_int_t)i, 10, QSE_T("__g"), tmp, QSE_COUNTOF(tmp));
QSE_ASSERT (len != (qse_size_t)-1);
if (qse_awk_putsrcstrn (awk, tmp, len) <= -1)
{
EXIT_DEPARSE ();
}
if (qse_awk_putsrcstrn (awk, tmp, len) <= -1) EXIT_DEPARSE ();
}
if (qse_awk_putsrcstr (awk, QSE_T(", ")) <= -1)
EXIT_DEPARSE ();
if (qse_awk_putsrcstr (awk, QSE_T(", ")) <= -1) EXIT_DEPARSE ();
}
if (!(awk->opt.trait & QSE_AWK_IMPLICIT))
{
if (qse_awk_putsrcstrn (awk,
QSE_ARR_DPTR(awk->parse.gbls,i),
QSE_ARR_DLEN(awk->parse.gbls,i)) <= -1)
{
EXIT_DEPARSE ();
}
/* use the actual name if no named variable is allowed */
if (qse_awk_putsrcstrn(awk, QSE_ARR_DPTR(awk->parse.gbls,i), QSE_ARR_DLEN(awk->parse.gbls,i)) <= -1) EXIT_DEPARSE ();
}
else
{
len = qse_awk_inttostr (
awk, (qse_awk_int_t)i,
10, QSE_T("__g"), tmp, QSE_COUNTOF(tmp));
len = qse_awk_inttostr(awk, (qse_awk_int_t)i, 10, QSE_T("__g"), tmp, QSE_COUNTOF(tmp));
QSE_ASSERT (len != (qse_size_t)-1);
if (qse_awk_putsrcstrn (awk, tmp, len) <= -1)
{
EXIT_DEPARSE ();
}
if (qse_awk_putsrcstrn (awk, tmp, len) <= -1) EXIT_DEPARSE ();
}
if (awk->opt.trait & QSE_AWK_CRLF)
{
if (qse_awk_putsrcstr (awk, QSE_T(";\r\n\r\n")) <= -1)
{
EXIT_DEPARSE ();
}
if (qse_awk_putsrcstr(awk, QSE_T(";\r\n\r\n")) <= -1) EXIT_DEPARSE ();
}
else
{
if (qse_awk_putsrcstr (awk, QSE_T(";\n\n")) <= -1)
{
EXIT_DEPARSE ();
}
if (qse_awk_putsrcstr(awk, QSE_T(";\n\n")) <= -1) EXIT_DEPARSE ();
}
}
@ -6601,10 +6627,7 @@ static int deparse (qse_awk_t* awk)
df.ret = 0;
qse_htb_walk (awk->tree.funs, deparse_func, &df);
if (df.ret <= -1)
{
EXIT_DEPARSE ();
}
if (df.ret <= -1) EXIT_DEPARSE ();
for (nde = awk->tree.begin; nde != QSE_NULL; nde = nde->next)
{
@ -6629,8 +6652,7 @@ static int deparse (qse_awk_t* awk)
{
if (chain->pattern != QSE_NULL)
{
if (qse_awk_prnptnpt (awk, chain->pattern) <= -1)
EXIT_DEPARSE ();
if (qse_awk_prnptnpt (awk, chain->pattern) <= -1) EXIT_DEPARSE ();
}
if (chain->action == QSE_NULL)
@ -6638,32 +6660,26 @@ static int deparse (qse_awk_t* awk)
/* blockless pattern */
if (awk->opt.trait & QSE_AWK_CRLF)
{
if (put_char (awk, QSE_T('\r')) <= -1)
EXIT_DEPARSE ();
if (put_char (awk, QSE_T('\r')) <= -1) EXIT_DEPARSE ();
}
if (put_char (awk, QSE_T('\n')) <= -1)
EXIT_DEPARSE ();
if (put_char (awk, QSE_T('\n')) <= -1) EXIT_DEPARSE ();
}
else
{
if (chain->pattern != QSE_NULL)
{
if (put_char (awk, QSE_T(' ')) <= -1)
EXIT_DEPARSE ();
if (put_char (awk, QSE_T(' ')) <= -1) EXIT_DEPARSE ();
}
if (qse_awk_prnpt (awk, chain->action) <= -1)
EXIT_DEPARSE ();
if (qse_awk_prnpt (awk, chain->action) <= -1) EXIT_DEPARSE ();
}
if (awk->opt.trait & QSE_AWK_CRLF)
{
if (put_char (awk, QSE_T('\r')) <= -1)
EXIT_DEPARSE ();
if (put_char (awk, QSE_T('\r')) <= -1) EXIT_DEPARSE ();
}
if (put_char (awk, QSE_T('\n')) <= -1)
EXIT_DEPARSE ();
if (put_char (awk, QSE_T('\n')) <= -1) EXIT_DEPARSE ();
chain = chain->next;
}
@ -6692,13 +6708,11 @@ static int deparse (qse_awk_t* awk)
exit_deparse:
if (n == 0) CLRERR (awk);
if (awk->sio.outf (
awk, QSE_AWK_SIO_CLOSE, &awk->sio.arg, QSE_NULL, 0) != 0)
if (awk->sio.outf(awk, QSE_AWK_SIO_CLOSE, &awk->sio.arg, QSE_NULL, 0) != 0)
{
if (n == 0)
{
if (ISNOERR(awk))
SETERR_ARG (awk, QSE_AWK_ECLOSE, QSE_T("<SOUT>"), 6);
if (ISNOERR(awk)) SETERR_ARG (awk, QSE_AWK_ECLOSE, QSE_T("<SOUT>"), 6);
n = -1;
}
}
@ -6706,8 +6720,7 @@ exit_deparse:
return n;
}
static qse_htb_walk_t deparse_func (
qse_htb_t* map, qse_htb_pair_t* pair, void* arg)
static qse_htb_walk_t deparse_func (qse_htb_t* map, qse_htb_pair_t* pair, void* arg)
{
struct deparse_func_t* df = (struct deparse_func_t*)arg;
qse_awk_fun_t* fun = (qse_awk_fun_t*)QSE_HTB_VPTR(pair);

1
qse/lib/awk/parse.h
View File

@ -34,6 +34,7 @@ enum qse_awk_kwid_t
QSE_AWK_KWID_XGLOBAL,
QSE_AWK_KWID_XINCLUDE,
QSE_AWK_KWID_XLOCAL,
QSE_AWK_KWID_XPRAGMA,
QSE_AWK_KWID_XRESET,
QSE_AWK_KWID_BEGIN,
QSE_AWK_KWID_END,

5
qse/lib/awk/tree.c
View File

@ -574,7 +574,8 @@ static int print_expr (qse_awk_t* awk, qse_awk_nde_t* nde)
if (px->id.idxa != (qse_size_t)-1)
{
/* deparsing is global. so i can't honor awk->parse.pragmas
* which can change in each input file. let me just check awk->opt.trait */
if (!(awk->opt.trait & QSE_AWK_IMPLICIT))
{
/* no implicit(named) variable is allowed.
@ -616,6 +617,8 @@ static int print_expr (qse_awk_t* awk, qse_awk_nde_t* nde)
if (px->id.idxa != (qse_size_t)-1)
{
/* deparsing is global. so i can't honor awk->parse.pragmas
* which can change in each input file. let me just check awk->opt.trait */
if (!(awk->opt.trait & QSE_AWK_IMPLICIT))
{
/* no implicit(named) variable is allowed.

26
qse/lib/awk/val-imp.h
View File

@ -1,3 +1,29 @@
/*
* $Id$
*
Copyright (c) 2006-2014 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.
*/
/* this file is supposed to be included by val.c */
int awk_rtx_strtonum (qse_awk_rtx_t* rtx, int option, const char_t* ptr, qse_size_t len, qse_awk_int_t* l, qse_awk_flt_t* r)