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hyung-hwan 2006-08-06 12:35:06 +00:00
parent cd71858cc8
commit 8bd2886a53
3 changed files with 74 additions and 104 deletions
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9
ase/awk/awk.h
View File

@ -1,5 +1,5 @@
/*
* $Id: awk.h,v 1.91 2006-08-06 08:15:29 bacon Exp $
* $Id: awk.h,v 1.92 2006-08-06 12:35:06 bacon Exp $
*/
#ifndef _XP_AWK_AWK_H_
@ -136,8 +136,11 @@ enum
XP_AWK_ESRCINOPEN,
XP_AWK_ESRCINCLOSE,
XP_AWK_ESRCINNEXT,
XP_AWK_ESRCINDATA, /* error in reading source */
XP_AWK_ESRCINREAD,
XP_AWK_ESRCOUTOPEN,
XP_AWK_ESRCOUTCLOSE,
XP_AWK_ESRCOUTWRITE,
XP_AWK_ECONINOPEN,
XP_AWK_ECONINCLOSE,

7
ase/awk/err.c
View File

@ -1,5 +1,5 @@
/*
* $Id: err.c,v 1.32 2006-08-06 08:15:29 bacon Exp $
* $Id: err.c,v 1.33 2006-08-06 12:35:06 bacon Exp $
*/
#include <xp/awk/awk_i.h>
@ -30,9 +30,12 @@ const xp_char_t* xp_awk_geterrstr (xp_awk_t* awk)
XP_T("cannot open source input"),
XP_T("cannot close source input"),
XP_T("cannot switch to next source input"),
XP_T("cannot read source input"),
XP_T("cannot open source output"),
XP_T("cannot close source output"),
XP_T("cannot write source output"),
XP_T("cannot open console for read"),
XP_T("cannot close console for read"),
XP_T("cannot switch to next console for read"),

162
ase/awk/parse.c
View File

@ -1,5 +1,5 @@
/*
* $Id: parse.c,v 1.160 2006-08-06 08:15:29 bacon Exp $
* $Id: parse.c,v 1.161 2006-08-06 12:35:06 bacon Exp $
*/
#include <xp/awk/awk_i.h>
@ -207,7 +207,7 @@ static int __assign_to_opcode (xp_awk_t* awk);
static int __is_plain_var (xp_awk_nde_t* nde);
static int __is_var (xp_awk_nde_t* nde);
static void __deparse (xp_awk_t* awk);
static int __deparse (xp_awk_t* awk);
static int __deparse_func (xp_awk_pair_t* pair, void* arg);
static int __put_char (xp_awk_t* awk, xp_char_t c);
static int __put_charstr (xp_awk_t* awk, const xp_char_t* str);
@ -330,86 +330,6 @@ static struct __bvent __bvtab[] =
#define PANIC2(awk,code,subcode) \
do { (awk)->errnum = (code); (awk)->suberrnum = (subcode); return XP_NULL; } while (0)
/* TODO: remove stdio.h */
#ifndef XP_AWK_STAND_ALONE
#include <xp/bas/stdio.h>
#endif
static int __dump_func (xp_awk_pair_t* pair, void* arg)
{
xp_awk_afn_t* afn = (xp_awk_afn_t*)pair->val;
xp_size_t i;
xp_assert (xp_strcmp (pair->key, afn->name) == 0);
xp_printf (XP_T("function %s ("), afn->name);
for (i = 0; i < afn->nargs; )
{
xp_printf (XP_T("__arg%lu"), (unsigned long)i++);
if (i >= afn->nargs) break;
xp_printf (XP_T(", "));
}
xp_printf (XP_T(")\n"));
xp_awk_prnpt (afn->body);
xp_printf (XP_T("\n"));
return 0;
}
static void __dump (xp_awk_t* awk)
{
xp_awk_chain_t* chain;
if (awk->tree.nglobals > awk->tree.nbglobals)
{
xp_size_t i;
xp_assert (awk->tree.nglobals > 0);
xp_printf (XP_T("global "));
for (i = awk->tree.nbglobals; i < awk->tree.nglobals - 1; i++)
{
xp_printf (XP_T("__global%lu, "), (unsigned long)i);
}
xp_printf (XP_T("__global%lu;\n\n"), (unsigned long)i);
}
xp_awk_map_walk (&awk->tree.afns, __dump_func, XP_NULL);
if (awk->tree.begin != XP_NULL)
{
xp_printf (XP_T("BEGIN "));
xp_awk_prnpt (awk->tree.begin);
xp_printf (XP_T("\n"));
}
chain = awk->tree.chain;
while (chain != XP_NULL)
{
if (chain->pattern != XP_NULL)
{
/*xp_awk_prnpt (chain->pattern);*/
xp_awk_prnptnpt (chain->pattern);
}
if (chain->action == XP_NULL)
{
/* blockless pattern */
xp_printf (XP_T("\n"));
}
else
{
xp_awk_prnpt (chain->action);
}
xp_printf (XP_T("\n"));
chain = chain->next;
}
if (awk->tree.end != XP_NULL)
{
xp_printf (XP_T("END "));
xp_awk_prnpt (awk->tree.end);
}
}
int xp_awk_parse (xp_awk_t* awk, xp_awk_srcios_t* srcios)
{
int n = 0;
@ -464,7 +384,15 @@ int xp_awk_parse (xp_awk_t* awk, xp_awk_srcios_t* srcios)
awk->tree.nglobals = xp_awk_tab_getsize(&awk->parse.globals);
if (awk->src.ios->out != XP_NULL) __deparse (awk);
if (awk->src.ios->out != XP_NULL)
{
if (__deparse (awk) == -1)
{
n = -1;
xp_awk_clear (awk);
goto exit_parse;
}
}
exit_parse:
if (awk->src.ios->in (
@ -3932,15 +3860,6 @@ static int __get_char (xp_awk_t* awk)
return 0;
}
/*
n = awk->srcio (XP_AWK_IO_READ, awk->srcio_arg, &c, 1);
if (n == -1)
{
awk->errnum = XP_AWK_ESRCINDATA;
return -1;
}
awk->src.lex.curc = (n == 0)? XP_CHAR_EOF: c;
*/
if (awk->src.shared.buf_pos >= awk->src.shared.buf_len)
{
n = awk->src.ios->in (
@ -3948,7 +3867,7 @@ static int __get_char (xp_awk_t* awk)
awk->src.shared.buf, xp_countof(awk->src.shared.buf));
if (n == -1)
{
awk->errnum = XP_AWK_ESRCINDATA;
awk->errnum = XP_AWK_ESRCINREAD;
return -1;
}
@ -4118,33 +4037,58 @@ struct __deparse_func_t
xp_size_t tmp_len;
};
static void __deparse (xp_awk_t* awk)
static int __deparse (xp_awk_t* awk)
{
xp_awk_chain_t* chain;
xp_char_t tmp[128];
struct __deparse_func_t df;
int n;
xp_assert (awk->src.ios->out != XP_NULL);
awk->src.shared.buf_len = 0;
awk->src.shared.buf_pos = 0;
/* TODO: more error handling */
if (awk->src.ios->out (
XP_AWK_IO_OPEN, awk->src.ios->custom_data, XP_NULL, 0) == -1)
{
awk->errnum = XP_AWK_ESRCOUTOPEN;
return -1;
}
if (awk->tree.nglobals > awk->tree.nbglobals)
{
xp_size_t i;
xp_assert (awk->tree.nglobals > 0);
__put_charstr (awk, XP_T("global "));
if (__put_charstr (awk, XP_T("global ")) == -1)
{
n = -1;
awk->errnum = XP_AWK_ESRCOUTWRITE;
goto exit_deparse;
}
for (i = awk->tree.nbglobals; i < awk->tree.nglobals - 1; i++)
{
xp_sprintf (tmp, xp_countof(tmp),
XP_T("__global%lu, "), (unsigned long)i);
__put_charstr (awk, tmp);
if (__put_charstr (awk, tmp) == -1)
{
n = -1;
awk->errnum = XP_AWK_ESRCOUTWRITE;
goto exit_deparse;
}
}
xp_sprintf (tmp, xp_countof(tmp),
XP_T("__global%lu;\n\n"), (unsigned long)i);
__put_charstr (awk, tmp);
if (__put_charstr (awk, tmp) == -1)
{
n = -1;
awk->errnum = XP_AWK_ESRCOUTWRITE;
goto exit_deparse;
}
}
@ -4190,7 +4134,25 @@ static void __deparse (xp_awk_t* awk)
xp_awk_prnpt (awk->tree.end);
}
__flush (awk);
if (__flush (awk) == -1)
{
n = -1;
awk->errnum = XP_AWK_ESRCOUTWRITE;
goto exit_deparse;
}
exit_deparse:
if (awk->src.ios->out (
XP_AWK_IO_CLOSE, awk->src.ios->custom_data, XP_NULL, 0) == -1)
{
if (n != -1)
{
awk->errnum = XP_AWK_ESRCOUTOPEN;
n = -1;
}
}
return 0;
}
static int __deparse_func (xp_awk_pair_t* pair, void* arg)
@ -4208,7 +4170,9 @@ static int __deparse_func (xp_awk_pair_t* pair, void* arg)
for (i = 0; i < afn->nargs; )
{
xp_printf (XP_T("__arg%lu"), (unsigned long)i++);
xp_sprintf (df->tmp, df->tmp_len,
XP_T("__arg%lu"), (unsigned long)i++);
__put_charstr (df->awk, df->tmp);
if (i >= afn->nargs) break;
__put_charstr (df->awk, XP_T(", "));
}