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added a few lines of constant folding code for awk. still incomplete

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This commit is contained in:
hyung-hwan 2011-07-23 09:37:46 +00:00
parent 7740b30aea
commit b2e7566e6b
5 changed files with 216 additions and 62 deletions
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35
qse/lib/awk/misc.c
View File

@ -1,5 +1,5 @@
/*
* $Id: misc.c 510 2011-07-20 16:17:16Z hyunghwan.chung $
* $Id: misc.c 514 2011-07-22 15:37:46Z hyunghwan.chung $
*
Copyright 2006-2011 Chung, Hyung-Hwan.
This file is part of QSE.
@ -1108,3 +1108,36 @@ void qse_awk_rtx_freemem (qse_awk_rtx_t* rtx, void* ptr)
qse_awk_freemem (rtx->awk, ptr);
}
int qse_awk_sprintlong (
qse_awk_t* awk, qse_char_t* buf, qse_size_t len, qse_long_t num)
{
return awk->prm.sprintf (
awk, buf, len,
#if QSE_SIZEOF_LONG_LONG > 0
QSE_T("%lld"), (long long)num
#elif QSE_SIZEOF___INT64 > 0
QSE_T("%I64d"), (__int64)num
#elif QSE_SIZEOF_LONG > 0
QSE_T("%ld"), (long)num
#elif QSE_SIZEOF_INT > 0
QSE_T("%d"), (int)num
#else
#error unsupported size
#endif
);
}
int qse_awk_sprintreal (
qse_awk_t* awk, qse_char_t* buf, qse_size_t len, qse_real_t num)
{
return awk->prm.sprintf (
awk, buf, len,
#if QSE_SIZEOF_LONG_DOUBLE > 0
QSE_T("%Lf"), (long long)num
#elif QSE_SIZEOF_DOUBLE > 0
QSE_T("%f"), (double)num
#else
#error unsupported size
#endif
);
}

18
qse/lib/awk/misc.h
View File

@ -1,5 +1,5 @@
/*
* $Id: misc.h 462 2011-05-18 14:36:40Z hyunghwan.chung $
* $Id: misc.h 514 2011-07-22 15:37:46Z hyunghwan.chung $
*
Copyright 2006-2011 Chung, Hyung-Hwan.
This file is part of QSE.
@ -76,6 +76,22 @@ int qse_awk_matchrex (
qse_cstr_t* match, qse_awk_errnum_t* errnum
);
int qse_awk_sprintlong (
qse_awk_t* awk,
qse_char_t* buf,
qse_size_t len,
qse_long_t num
);
int qse_awk_sprintreal (
qse_awk_t* awk,
qse_char_t* buf,
qse_size_t len,
qse_real_t num
);
#ifdef __cplusplus
}
#endif

97
qse/lib/awk/parse.c
View File

@ -1,5 +1,5 @@
/*
* $Id: parse.c 486 2011-05-29 15:22:08Z hyunghwan.chung $
* $Id: parse.c 514 2011-07-22 15:37:46Z hyunghwan.chung $
*
Copyright 2006-2011 Chung, Hyung-Hwan.
This file is part of QSE.
@ -3351,6 +3351,8 @@ static qse_awk_nde_t* parse_binary (
qse_awk_loc_t rloc;
const binmap_t* p = binmap;
qse_bool_t matched = QSE_FALSE;
int fold;
qse_long_t folded_l;
while (p->token != TOK_EOF)
{
@ -3382,6 +3384,51 @@ static qse_awk_nde_t* parse_binary (
return QSE_NULL;
}
fold = 0;
if (left->type == QSE_AWK_NDE_INT &&
right->type == QSE_AWK_NDE_INT)
{
fold = 1;
switch (opcode)
{
case QSE_AWK_BINOP_PLUS:
folded_l = ((qse_awk_nde_int_t*)left)->val + ((qse_awk_nde_int_t*)right)->val;
break;
case QSE_AWK_BINOP_MINUS:
folded_l = ((qse_awk_nde_int_t*)left)->val - ((qse_awk_nde_int_t*)right)->val;
break;
case QSE_AWK_BINOP_MUL:
folded_l = ((qse_awk_nde_int_t*)left)->val * ((qse_awk_nde_int_t*)right)->val;
break;
case QSE_AWK_BINOP_IDIV:
folded_l = ((qse_awk_nde_int_t*)left)->val / ((qse_awk_nde_int_t*)right)->val;
break;
case QSE_AWK_BINOP_MOD:
folded_l = ((qse_awk_nde_int_t*)left)->val % ((qse_awk_nde_int_t*)right)->val;
break;
default:
fold = 0;
}
}
if (fold)
{
qse_awk_clrpt (awk, right);
((qse_awk_nde_int_t*)left)->val = folded_l;
if (((qse_awk_nde_int_t*)left)->str)
{
QSE_AWK_FREE (awk, ((qse_awk_nde_int_t*)left)->str);
((qse_awk_nde_int_t*)left)->str = QSE_NULL;
((qse_awk_nde_int_t*)left)->len = 0;
}
}
else
{
nde = (qse_awk_nde_exp_t*) QSE_AWK_ALLOC (
awk, QSE_SIZEOF(qse_awk_nde_exp_t));
if (nde == QSE_NULL)
@ -3401,6 +3448,7 @@ static qse_awk_nde_t* parse_binary (
left = (qse_awk_nde_t*)nde;
}
}
return left;
}
@ -3692,6 +3740,8 @@ static qse_awk_nde_t* parse_unary (
qse_awk_nde_t* left;
qse_awk_loc_t uloc;
int opcode;
int fold;
qse_long_t folded_l;
opcode = (MATCH(awk,TOK_PLUS))? QSE_AWK_UNROP_PLUS:
(MATCH(awk,TOK_MINUS))? QSE_AWK_UNROP_MINUS:
@ -3717,6 +3767,49 @@ static qse_awk_nde_t* parse_unary (
awk->parse.depth.cur.expr--;
if (left == QSE_NULL) return QSE_NULL;
fold = 0;
if (left->type == QSE_AWK_NDE_INT)
{
fold = 1;
switch (opcode)
{
case QSE_AWK_UNROP_PLUS:
folded_l = ((qse_awk_nde_int_t*)left)->val;
break;
case QSE_AWK_UNROP_MINUS:
folded_l = -((qse_awk_nde_int_t*)left)->val;
break;
case QSE_AWK_UNROP_LNOT:
folded_l = !((qse_awk_nde_int_t*)left)->val;
break;
case QSE_AWK_UNROP_BNOT:
folded_l = ~((qse_awk_nde_int_t*)left)->val;
break;
default:
fold = 0;
break;
}
}
if (fold)
{
((qse_awk_nde_int_t*)left)->val = folded_l;
if (((qse_awk_nde_int_t*)left)->str)
{
QSE_AWK_FREE (awk, ((qse_awk_nde_int_t*)left)->str);
((qse_awk_nde_int_t*)left)->str = QSE_NULL;
((qse_awk_nde_int_t*)left)->len = 0;
}
return left;
}
else
{
nde = (qse_awk_nde_exp_t*)
QSE_AWK_ALLOC (awk, QSE_SIZEOF(qse_awk_nde_exp_t));
if (nde == QSE_NULL)
@ -3734,6 +3827,8 @@ static qse_awk_nde_t* parse_unary (
nde->right = QSE_NULL;
return (qse_awk_nde_t*)nde;
}
}
static qse_awk_nde_t* parse_exponent (

16
qse/lib/awk/run.c
View File

@ -1,5 +1,5 @@
/*
* $Id: run.c 485 2011-05-29 15:15:52Z hyunghwan.chung $
* $Id: run.c 514 2011-07-22 15:37:46Z hyunghwan.chung $
*
Copyright 2006-2011 Chung, Hyung-Hwan.
This file is part of QSE.
@ -6822,21 +6822,11 @@ qse_char_t* qse_awk_rtx_format (
do
{
n = rtx->awk->prm.sprintf (
n = qse_awk_sprintlong (
rtx->awk,
rtx->format.tmp.ptr,
rtx->format.tmp.len,
#if QSE_SIZEOF_LONG_LONG > 0
QSE_T("%lld"), (long long)width
#elif QSE_SIZEOF___INT64 > 0
QSE_T("%I64d"), (__int64)width
#elif QSE_SIZEOF_LONG > 0
QSE_T("%ld"), (long)width
#elif QSE_SIZEOF_INT > 0
QSE_T("%d"), (int)width
#else
#error unsupported size
#endif
width
);
if (n == -1)
{

30
qse/lib/awk/tree.c
View File

@ -1,5 +1,5 @@
/*
* $Id: tree.c 485 2011-05-29 15:15:52Z hyunghwan.chung $
* $Id: tree.c 514 2011-07-22 15:37:46Z hyunghwan.chung $
*
Copyright 2006-2011 Chung, Hyung-Hwan.
This file is part of QSE.
@ -260,19 +260,39 @@ static int print_expr (qse_awk_t* awk, qse_awk_nde_t* nde)
case QSE_AWK_NDE_INT:
{
QSE_ASSERT (((qse_awk_nde_int_t*)nde)->str != QSE_NULL);
if (((qse_awk_nde_int_t*)nde)->str)
{
PUT_SRCSTRX (awk,
((qse_awk_nde_int_t*)nde)->str,
((qse_awk_nde_int_t*)nde)->len);
}
else
{
qse_char_t buf[64];
qse_awk_sprintlong (
awk, buf, QSE_COUNTOF(buf),
((qse_awk_nde_int_t*)nde)->val);
PUT_SRCSTR (awk, buf);
}
break;
}
case QSE_AWK_NDE_REAL:
{
QSE_ASSERT (((qse_awk_nde_real_t*)nde)->str != QSE_NULL);
if (((qse_awk_nde_real_t*)nde)->str)
{
PUT_SRCSTRX (awk,
((qse_awk_nde_real_t*)nde)->str,
((qse_awk_nde_real_t*)nde)->len);
}
else
{
qse_char_t buf[64];
qse_awk_sprintreal (
awk, buf, QSE_COUNTOF(buf),
((qse_awk_nde_real_t*)nde)->val);
PUT_SRCSTR (awk, buf);
}
break;
}
@ -1211,7 +1231,7 @@ void qse_awk_clrpt (qse_awk_t* awk, qse_awk_nde_t* tree)
case QSE_AWK_NDE_INT:
{
if (((qse_awk_nde_int_t*)p)->str != QSE_NULL)
if (((qse_awk_nde_int_t*)p)->str)
QSE_AWK_FREE (awk, ((qse_awk_nde_int_t*)p)->str);
QSE_AWK_FREE (awk, p);
break;
@ -1219,7 +1239,7 @@ void qse_awk_clrpt (qse_awk_t* awk, qse_awk_nde_t* tree)
case QSE_AWK_NDE_REAL:
{
if (((qse_awk_nde_real_t*)p)->str != QSE_NULL)
if (((qse_awk_nde_real_t*)p)->str)
QSE_AWK_FREE (awk, ((qse_awk_nde_real_t*)p)->str);
QSE_AWK_FREE (awk, p);
break;