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hyung-hwan 2006-04-16 13:30:19 +00:00
parent a83e38a2e0
commit 3eda39390d
3 changed files with 106 additions and 123 deletions
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4
ase/awk/awk.h
View File

@ -1,5 +1,5 @@
/*
* $Id: awk.h,v 1.49 2006-04-16 04:31:38 bacon Exp $
* $Id: awk.h,v 1.50 2006-04-16 13:30:18 bacon Exp $
*/
#ifndef _XP_AWK_AWK_H_
@ -78,6 +78,8 @@ enum
XP_AWK_EDIVBYZERO, /* divide by zero */
XP_AWK_EOPERAND, /* invalid operand */
XP_AWK_ENOSUCHFUNC, /* no such function */
XP_AWK_ENOTINDEXABLE, /* not indexable value */
XP_AWK_EINDEX, /* wrong index */
XP_AWK_EINTERNAL /* internal error */
};

4
ase/awk/err.c
View File

@ -1,5 +1,5 @@
/*
* $Id: err.c,v 1.9 2006-04-10 15:52:07 bacon Exp $
* $Id: err.c,v 1.10 2006-04-16 13:30:19 bacon Exp $
*/
#include <xp/awk/awk_i.h>
@ -47,6 +47,8 @@ const xp_char_t* xp_awk_geterrstr (xp_awk_t* awk)
XP_TEXT("divide by zero"),
XP_TEXT("invalid operand"),
XP_TEXT("no such function"),
XP_TEXT("value not indexable"),
XP_TEXT("wrong index value"),
XP_TEXT("internal error that should never have happened")
};

159
ase/awk/run.c
View File

@ -1,5 +1,5 @@
/*
* $Id: run.c,v 1.51 2006-04-16 06:16:42 bacon Exp $
* $Id: run.c,v 1.52 2006-04-16 13:30:19 bacon Exp $
*/
#include <xp/awk/awk_i.h>
@ -116,7 +116,7 @@ static void __raw_pop (xp_awk_t* awk);
static void __raw_pop_times (xp_awk_t* awk, xp_size_t times);
static int __val_to_num (xp_awk_val_t* v, xp_long_t* l, xp_real_t* r);
static int __str_to_num (xp_awk_val_str_t* str, xp_long_t* l, xp_real_t* r);
static xp_char_t* __val_to_str (xp_awk_val_t* v);
typedef xp_awk_val_t* (*binop_func_t) (
xp_awk_t* awk, xp_awk_val_t* left, xp_awk_val_t* right);
@ -1280,20 +1280,23 @@ static xp_awk_val_t* __eval_binop_le (
static xp_awk_val_t* __eval_binop_lshift (
xp_awk_t* awk, xp_awk_val_t* left, xp_awk_val_t* right)
{
xp_awk_val_t* res = XP_NULL;
int n1, n2, n3;
xp_long_t l1, l2;
xp_real_t r1, r2;
xp_awk_val_t* res;
if (left->type == XP_AWK_VAL_INT &&
right->type == XP_AWK_VAL_INT)
n1 = __val_to_num (left, &l1, &r1);
n2 = __val_to_num (right, &l2, &r2);
if (n1 == -1 || n2 == -1) PANIC (awk, XP_AWK_EOPERAND);
n3 = n1 + (n2 << 1);
if (n3 == 0)
{
xp_long_t r =
((xp_awk_val_int_t*)left)->val <<
((xp_awk_val_int_t*)right)->val;
res = xp_awk_makeintval (awk, r);
}
else
{
PANIC (awk, XP_AWK_EOPERAND);
if (l2 == 0) PANIC (awk, XP_AWK_EDIVBYZERO);
res = xp_awk_makeintval (awk, (xp_long_t)l1 << (xp_long_t)l2);
}
else PANIC (awk, XP_AWK_EOPERAND);
if (res == XP_NULL) PANIC (awk, XP_AWK_ENOMEM);
return res;
@ -1302,20 +1305,23 @@ static xp_awk_val_t* __eval_binop_lshift (
static xp_awk_val_t* __eval_binop_rshift (
xp_awk_t* awk, xp_awk_val_t* left, xp_awk_val_t* right)
{
xp_awk_val_t* res = XP_NULL;
int n1, n2, n3;
xp_long_t l1, l2;
xp_real_t r1, r2;
xp_awk_val_t* res;
if (left->type == XP_AWK_VAL_INT &&
right->type == XP_AWK_VAL_INT)
n1 = __val_to_num (left, &l1, &r1);
n2 = __val_to_num (right, &l2, &r2);
if (n1 == -1 || n2 == -1) PANIC (awk, XP_AWK_EOPERAND);
n3 = n1 + (n2 << 1);
if (n3 == 0)
{
xp_long_t r =
((xp_awk_val_int_t*)left)->val >>
((xp_awk_val_int_t*)right)->val;
res = xp_awk_makeintval (awk, r);
}
else
{
PANIC (awk, XP_AWK_EOPERAND);
if (l2 == 0) PANIC (awk, XP_AWK_EDIVBYZERO);
res = xp_awk_makeintval (awk, (xp_long_t)l1 >> (xp_long_t)l2);
}
else PANIC (awk, XP_AWK_EOPERAND);
if (res == XP_NULL) PANIC (awk, XP_AWK_ENOMEM);
return res;
@ -1341,23 +1347,11 @@ static xp_awk_val_t* __eval_binop_plus (
1 1 = 3
*/
n3 = n1 + (n2 << 1);
if (n3 == 0)
{
res = xp_awk_makeintval (awk, (xp_long_t)l1 + (xp_long_t)l2);
}
else if (n3 == 1)
{
res = xp_awk_makerealval (awk, (xp_real_t)r1 + (xp_real_t)l2);
}
else if (n3 == 2)
{
res = xp_awk_makerealval (awk, (xp_real_t)l1 + (xp_real_t)r2);
}
else
{
xp_assert (n3 == 3);
res = xp_awk_makerealval (awk, (xp_real_t)r1 + (xp_real_t)r2);
}
xp_assert (n3 >= 0 && n3 <= 3);
res = (n3 == 0)? xp_awk_makeintval(awk,(xp_long_t)l1+(xp_long_t)l2):
(n3 == 1)? xp_awk_makerealval(awk,(xp_real_t)r1+(xp_real_t)l2):
(n3 == 2)? xp_awk_makerealval(awk,(xp_real_t)l1+(xp_real_t)r2):
xp_awk_makerealval(awk,(xp_real_t)r1+(xp_real_t)r2);
if (res == XP_NULL) PANIC (awk, XP_AWK_ENOMEM);
return res;
@ -1377,23 +1371,11 @@ static xp_awk_val_t* __eval_binop_minus (
if (n1 == -1 || n2 == -1) PANIC (awk, XP_AWK_EOPERAND);
n3 = n1 + (n2 << 1);
if (n3 == 0)
{
res = xp_awk_makeintval (awk, (xp_long_t)l1 - (xp_long_t)l2);
}
else if (n3 == 1)
{
res = xp_awk_makerealval (awk, (xp_real_t)r1 - (xp_real_t)l2);
}
else if (n3 == 2)
{
res = xp_awk_makerealval (awk, (xp_real_t)l1 - (xp_real_t)r2);
}
else
{
xp_assert (n3 == 3);
res = xp_awk_makerealval (awk, (xp_real_t)r1 - (xp_real_t)r2);
}
xp_assert (n3 >= 0 && n3 <= 3);
res = (n3 == 0)? xp_awk_makeintval(awk,(xp_long_t)l1-(xp_long_t)l2):
(n3 == 1)? xp_awk_makerealval(awk,(xp_real_t)r1-(xp_real_t)l2):
(n3 == 2)? xp_awk_makerealval(awk,(xp_real_t)l1-(xp_real_t)r2):
xp_awk_makerealval(awk,(xp_real_t)r1-(xp_real_t)r2);
if (res == XP_NULL) PANIC (awk, XP_AWK_ENOMEM);
return res;
@ -1413,23 +1395,11 @@ static xp_awk_val_t* __eval_binop_mul (
if (n1 == -1 || n2 == -1) PANIC (awk, XP_AWK_EOPERAND);
n3 = n1 + (n2 << 1);
if (n3 == 0)
{
res = xp_awk_makeintval (awk, (xp_long_t)l1 * (xp_long_t)l2);
}
else if (n3 == 1)
{
res = xp_awk_makerealval (awk, (xp_real_t)r1 * (xp_real_t)l2);
}
else if (n3 == 2)
{
res = xp_awk_makerealval (awk, (xp_real_t)l1 * (xp_real_t)r2);
}
else
{
xp_assert (n3 == 3);
res = xp_awk_makerealval (awk, (xp_real_t)r1 * (xp_real_t)r2);
}
xp_assert (n3 >= 0 && n3 <= 3);
res = (n3 == 0)? xp_awk_makeintval(awk,(xp_long_t)l1*(xp_long_t)l2):
(n3 == 1)? xp_awk_makerealval(awk,(xp_real_t)r1*(xp_real_t)l2):
(n3 == 2)? xp_awk_makerealval(awk,(xp_real_t)l1*(xp_real_t)r2):
xp_awk_makerealval(awk,(xp_real_t)r1*(xp_real_t)r2);
if (res == XP_NULL) PANIC (awk, XP_AWK_ENOMEM);
return res;
@ -2104,7 +2074,23 @@ static xp_awk_val_t* __eval_namedidx (xp_awk_t* awk, xp_awk_nde_t* nde)
static xp_awk_val_t* __eval_globalidx (xp_awk_t* awk, xp_awk_nde_t* nde)
{
/* TODO: */
xp_awk_nde_idx_t* tgt = (xp_awk_nde_idx_t*)nde;
xp_awk_val_t* v = STACK_GLOBAL(awk,tgt->id.idxa);
xp_awk_val_t* idx;
xp_char_t* str;
if (v->type != XP_AWK_VAL_MAP) PANIC (awk, XP_AWK_ENOTINDEXABLE);
idx = __eval_expression (awk, tgt->idx);
str = __val_to_str (idx);
if (str == XP_NULL)
{
/* TODO: how to tell memory error from conversion error? */
/*PANIC (awk, XP_AWK_ENOMEM);*/
PANIC (awk, XP_AWK_EINDEX);
}
xp_free (str);
return XP_NULL;
}
@ -2198,24 +2184,17 @@ static int __val_to_num (xp_awk_val_t* v, xp_long_t* l, xp_real_t* r)
return 0; /* long */
}
xp_assert (!"should never happen - invalid value type");
return -1; /* error */
}
static int __str_to_num (xp_awk_val_str_t* str, xp_long_t* l, xp_real_t* r)
static xp_char_t* __val_to_str (xp_awk_val_t* v)
{
const xp_char_t* endptr;
/* don't care about str->len */
*l = xp_awk_strtolong (str->buf, 0, &endptr);
if (*endptr == XP_CHAR('.') ||
*endptr == XP_CHAR('E') ||
*endptr == XP_CHAR('e'))
/*TODO:*/
if (v->type == XP_AWK_VAL_STR)
{
*r = xp_awk_strtoreal (((xp_awk_val_str_t*)str)->buf);
return 1; /* real */
return xp_strxdup (
((xp_awk_val_str_t*)v)->buf,
((xp_awk_val_str_t*)v)->len);
}
return 0; /* long */
return XP_NULL;
}