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hyung-hwan 2006-01-12 12:30:29 +00:00
parent 602849e797
commit 5623cb78c4
1 changed files with 22 additions and 14 deletions
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32
ase/awk/parse.c
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@ -1,5 +1,5 @@
/*
* $Id: parse.c,v 1.14 2006-01-11 14:03:17 bacon Exp $
* $Id: parse.c,v 1.15 2006-01-12 12:30:29 bacon Exp $
*/
#include <xp/awk/awk.h>
@ -417,6 +417,7 @@ static xp_awk_node_t* __parse_expr (xp_awk_t* awk)
*/
xp_awk_node_t* x;
xp_printf (XP_TEXT("parse_expr.......................\n"));
if (MATCH(awk,TOKEN_IDENT)) {
// TODO: use a different approach later...
xp_char_t* ident = xp_strdup (XP_STR_BUF(&awk->token.name));
@ -425,19 +426,17 @@ static xp_awk_node_t* __parse_expr (xp_awk_t* awk)
PANIC (awk, XP_AWK_ENOMEM);
}
xp_printf (XP_TEXT("parse_expr 1111111111111111111111111111.......................\n"));
CONSUME (awk);
if (MATCH(awk,TOKEN_ASSIGN)) {
CONSUME (awk);
xp_printf (XP_TEXT("parse_expr 22222222222222222222222222222222.......................\n"));
x = __parse_assignment(awk, ident);
}
else x = __parse_basic_expr (awk, ident);
if (x == XP_NULL) {
xp_free (ident);
return XP_NULL;
}
return x;
xp_free (ident);
return x; // TODO: anything to clearn when x is XP_NULL????
}
return __parse_basic_expr (awk, XP_NULL);
@ -447,25 +446,33 @@ static xp_awk_node_t* __parse_assignment (xp_awk_t* awk, xp_char_t* ident)
{
xp_awk_node_assign_t* node;
xp_awk_node_t* value;
xp_char_t* idtdup;
xp_assert (ident != XP_NULL);
xp_printf (XP_TEXT("__parse_assignment starting for %s\n"), ident);
node = (xp_awk_node_assign_t*)xp_malloc (xp_sizeof(xp_awk_node_assign_t));
if (node == XP_NULL) {
xp_free (ident);
xp_printf (XP_TEXT("__parse_assignment xxxxxxxxxxxxxxxxxxxxxxx %s\n"), ident);
if (node == XP_NULL) PANIC (awk, XP_AWK_ENOMEM);
xp_printf (XP_TEXT("__parse_assignment duplicating string... %s\n"), ident);
idtdup = xp_strdup (ident);
if (idtdup == XP_NULL) {
xp_free (node);
PANIC (awk, XP_AWK_ENOMEM);
}
xp_printf (XP_TEXT("__parse_ssignment for %s\n"), ident);
xp_printf (XP_TEXT("__parse_assignment for %s\n"), ident);
value = __parse_basic_expr (awk, XP_NULL);
if (value == XP_NULL) {
xp_free (ident);
xp_free (idtdup);
xp_free (node);
return XP_NULL;
}
node->type = XP_AWK_NODE_ASSIGN;
node->next = XP_NULL;
node->left = ident;
node->left = idtdup;
node->right = value;
return (xp_awk_node_t*)node;
@ -550,6 +557,7 @@ static xp_awk_node_t* __parse_primary (xp_awk_t* awk)
node = (xp_awk_node_str_t*)xp_malloc(xp_sizeof(xp_awk_node_str_t));
if (node == XP_NULL) PANIC (awk, XP_AWK_ENOMEM);
xp_printf (XP_TEXT("found a string token...\n"));
node->type = XP_AWK_NODE_STR;
node->next = XP_NULL;
node->value = xp_strdup(XP_STR_BUF(&awk->token.name));