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added qse_awk_rtx_ecb_gblset_t.

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fixed a bug of returning an error when it must not in get_reference() in awk/run.c
This commit is contained in:
hyung-hwan 2013-04-15 13:18:03 +00:00
parent d6208e893e
commit d5cca9d524
3 changed files with 132 additions and 117 deletions
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5
qse/cmd/awk/awk.c
View File

@ -971,8 +971,9 @@ static int awk_main (int argc, qse_char_t* argv[])
#ifdef ENABLE_CALLBACK
static qse_awk_rtx_ecb_t rtx_ecb =
{
QSE_FV(.close, QSE_NULL),
QSE_FV(.stmt, on_statement)
QSE_FV(.close, QSE_NULL),
QSE_FV(.stmt, on_statement),
QSE_FV(.gblset, QSE_NULL)
};
#endif

15
qse/include/qse/awk/awk.h
View File

@ -947,6 +947,16 @@ typedef void (*qse_awk_rtx_ecb_stmt_t) (
qse_awk_nde_t* nde /**< node */
);
/**
* The qse_awk_rtx_ecb_gblset_t type defines the callback function
* executed when a global variable is set with a value.
*/
typedef void (*qse_awk_rtx_ecb_gblset_t) (
qse_awk_rtx_t* rtx, /**< runtime context */
qse_size_t idx, /**< global variable index */
qse_awk_val_t* val /**< value */
);
/**
* The qse_awk_rtx_ecb_t type defines an event callback set for a
* runtime context. You can register a callback function set with
@ -967,6 +977,11 @@ struct qse_awk_rtx_ecb_t
*/
qse_awk_rtx_ecb_stmt_t stmt;
/**
* called when a global variable is set with a value.
*/
qse_awk_rtx_ecb_gblset_t gblset;
/* internal use only. don't touch this field */
qse_awk_rtx_ecb_t* next;
};

229
qse/lib/awk/run.c
View File

@ -312,6 +312,7 @@ static int set_global (
qse_awk_nde_var_t* var, qse_awk_val_t* val)
{
qse_awk_val_t* old;
qse_awk_rtx_ecb_t* ecb;
old = STACK_GBL (rtx, idx);
if (!(rtx->awk->opt.trait & QSE_AWK_FLEXMAP) && old->type == QSE_AWK_VAL_MAP)
@ -331,7 +332,7 @@ static int set_global (
}
else
{
/* qse_awk_rtx_setgbl has been called */
/* qse_awk_rtx_setgbl() has been called */
qse_cstr_t ea;
ea.ptr = qse_awk_getgblname (rtx->awk, idx, &ea.len);
SETERR_ARGX (rtx, QSE_AWK_EMAPNRA, &ea);
@ -468,8 +469,7 @@ static int set_global (
if (shorten_record (rtx, (qse_size_t)lv) == -1)
{
/* adjust the error line */
if (var != QSE_NULL)
ADJERR_LOC (rtx, &var->loc);
if (var) ADJERR_LOC (rtx, &var->loc);
return -1;
}
}
@ -621,6 +621,9 @@ static int set_global (
STACK_GBL(rtx,idx) = val;
qse_awk_rtx_refupval (rtx, val);
for (ecb = (rtx)->ecb; ecb; ecb = ecb->next)
if (ecb->gblset) ecb->gblset (rtx, idx, val);
return 0;
}
@ -5956,130 +5959,126 @@ static int get_reference (
/* refer to eval_indexed for application of a similar concept */
if (nde->type == QSE_AWK_NDE_NAMED)
switch (nde->type)
{
qse_htb_pair_t* pair;
pair = qse_htb_search (
run->named, tgt->id.name.ptr, tgt->id.name.len);
if (pair == QSE_NULL)
case QSE_AWK_NDE_NAMED:
{
/* it is bad that the named variable has to be
* created in the function named "__get_refernce".
* would there be any better ways to avoid this? */
pair = qse_htb_upsert (
run->named, tgt->id.name.ptr,
tgt->id.name.len, qse_awk_val_nil, 0);
if (pair == QSE_NULL)
qse_htb_pair_t* pair;
pair = qse_htb_search (
run->named, tgt->id.name.ptr, tgt->id.name.len);
if (pair == QSE_NULL)
{
SETERR_LOC (run, QSE_AWK_ENOMEM, &nde->loc);
/* it is bad that the named variable has to be
* created in the function named "__get_refernce".
* would there be any better ways to avoid this? */
pair = qse_htb_upsert (
run->named, tgt->id.name.ptr,
tgt->id.name.len, qse_awk_val_nil, 0);
if (pair == QSE_NULL)
{
SETERR_LOC (run, QSE_AWK_ENOMEM, &nde->loc);
return -1;
}
}
*ref = (qse_awk_val_t**)&QSE_HTB_VPTR(pair);
return 0;
}
case QSE_AWK_NDE_GBL:
*ref = (qse_awk_val_t**)&STACK_GBL(run,tgt->id.idxa);
return 0;
case QSE_AWK_NDE_LCL:
*ref = (qse_awk_val_t**)&STACK_LCL(run,tgt->id.idxa);
return 0;
case QSE_AWK_NDE_ARG:
*ref = (qse_awk_val_t**)&STACK_ARG(run,tgt->id.idxa);
return 0;
case QSE_AWK_NDE_NAMEDIDX:
{
qse_htb_pair_t* pair;
pair = qse_htb_search (
run->named, tgt->id.name.ptr, tgt->id.name.len);
if (pair == QSE_NULL)
{
pair = qse_htb_upsert (
run->named, tgt->id.name.ptr,
tgt->id.name.len, qse_awk_val_nil, 0);
if (pair == QSE_NULL)
{
SETERR_LOC (run, QSE_AWK_ENOMEM, &nde->loc);
return -1;
}
}
tmp = get_reference_indexed (
run, tgt, (qse_awk_val_t**)&QSE_HTB_VPTR(pair));
if (tmp == QSE_NULL) return -1;
*ref = tmp;
return 0;
}
case QSE_AWK_NDE_GBLIDX:
tmp = get_reference_indexed (run, tgt,
(qse_awk_val_t**)&STACK_GBL(run,tgt->id.idxa));
if (tmp == QSE_NULL) return -1;
*ref = tmp;
return 0;
case QSE_AWK_NDE_LCLIDX:
tmp = get_reference_indexed (run, tgt,
(qse_awk_val_t**)&STACK_LCL(run,tgt->id.idxa));
if (tmp == QSE_NULL) return -1;
*ref = tmp;
return 0;
case QSE_AWK_NDE_ARGIDX:
tmp = get_reference_indexed (run, tgt,
(qse_awk_val_t**)&STACK_ARG(run,tgt->id.idxa));
if (tmp == QSE_NULL) return -1;
*ref = tmp;
return 0;
case QSE_AWK_NDE_POS:
{
int n;
qse_long_t lv;
qse_awk_val_t* v;
/* the position number is returned for the positional
* variable unlike other reference types. */
v = eval_expression (run, ((qse_awk_nde_pos_t*)nde)->val);
if (v == QSE_NULL) return -1;
qse_awk_rtx_refupval (run, v);
n = qse_awk_rtx_valtolong (run, v, &lv);
qse_awk_rtx_refdownval (run, v);
if (n <= -1)
{
SETERR_LOC (run, QSE_AWK_EPOSIDX, &nde->loc);
return -1;
}
}
*ref = (qse_awk_val_t**)&QSE_HTB_VPTR(pair);
return 0;
}
if (nde->type == QSE_AWK_NDE_GBL)
{
*ref = (qse_awk_val_t**)&STACK_GBL(run,tgt->id.idxa);
return 0;
}
if (nde->type == QSE_AWK_NDE_LCL)
{
*ref = (qse_awk_val_t**)&STACK_LCL(run,tgt->id.idxa);
return 0;
}
if (nde->type == QSE_AWK_NDE_ARG)
{
*ref = (qse_awk_val_t**)&STACK_ARG(run,tgt->id.idxa);
return 0;
}
if (nde->type == QSE_AWK_NDE_NAMEDIDX)
{
qse_htb_pair_t* pair;
pair = qse_htb_search (
run->named, tgt->id.name.ptr, tgt->id.name.len);
if (pair == QSE_NULL)
{
pair = qse_htb_upsert (
run->named, tgt->id.name.ptr,
tgt->id.name.len, qse_awk_val_nil, 0);
if (pair == QSE_NULL)
if (!IS_VALID_POSIDX(lv))
{
SETERR_LOC (run, QSE_AWK_ENOMEM, &nde->loc);
SETERR_LOC (run, QSE_AWK_EPOSIDX, &nde->loc);
return -1;
}
*ref = (qse_awk_val_t**)((qse_size_t)lv);
return 0;
}
tmp = get_reference_indexed (
run, tgt, (qse_awk_val_t**)&QSE_HTB_VPTR(pair));
if (tmp == QSE_NULL) return -1;
*ref = tmp;
}
if (nde->type == QSE_AWK_NDE_GBLIDX)
{
tmp = get_reference_indexed (run, tgt,
(qse_awk_val_t**)&STACK_GBL(run,tgt->id.idxa));
if (tmp == QSE_NULL) return -1;
*ref = tmp;
}
if (nde->type == QSE_AWK_NDE_LCLIDX)
{
tmp = get_reference_indexed (run, tgt,
(qse_awk_val_t**)&STACK_LCL(run,tgt->id.idxa));
if (tmp == QSE_NULL) return -1;
*ref = tmp;
}
if (nde->type == QSE_AWK_NDE_ARGIDX)
{
tmp = get_reference_indexed (run, tgt,
(qse_awk_val_t**)&STACK_ARG(run,tgt->id.idxa));
if (tmp == QSE_NULL) return -1;
*ref = tmp;
}
if (nde->type == QSE_AWK_NDE_POS)
{
int n;
qse_long_t lv;
qse_awk_val_t* v;
/* the position number is returned for the positional
* variable unlike other reference types. */
v = eval_expression (run, ((qse_awk_nde_pos_t*)nde)->val);
if (v == QSE_NULL) return -1;
qse_awk_rtx_refupval (run, v);
n = qse_awk_rtx_valtolong (run, v, &lv);
qse_awk_rtx_refdownval (run, v);
if (n <= -1)
{
SETERR_LOC (run, QSE_AWK_EPOSIDX, &nde->loc);
default:
SETERR_LOC (run, QSE_AWK_ENOTREF, &nde->loc);
return -1;
}
if (!IS_VALID_POSIDX(lv))
{
SETERR_LOC (run, QSE_AWK_EPOSIDX, &nde->loc);
return -1;
}
*ref = (qse_awk_val_t**)((qse_size_t)lv);
return 0;
}
SETERR_LOC (run, QSE_AWK_ENOTREF, &nde->loc);
return -1;
}
static qse_awk_val_t** get_reference_indexed (