/*
* (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005.
*
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include "dtc.h"
#include "srcpos.h"
/*
* Tree building functions
*/
void add_label(struct label **labels, char *label)
{
struct label *new;
/* Make sure the label isn't already there */
for_each_label_withdel(*labels, new)
if (streq(new->label, label)) {
new->deleted = 0;
return;
}
new = xmalloc(sizeof(*new));
memset(new, 0, sizeof(*new));
new->label = label;
new->next = *labels;
*labels = new;
}
void delete_labels(struct label **labels)
{
struct label *label;
for_each_label(*labels, label)
label->deleted = 1;
}
struct property *build_property(char *name, struct data val,
struct srcpos *srcpos)
{
struct property *new = xmalloc(sizeof(*new));
memset(new, 0, sizeof(*new));
new->name = name;
new->val = val;
new->srcpos = srcpos_copy(srcpos);
return new;
}
struct property *build_property_delete(char *name)
{
struct property *new = xmalloc(sizeof(*new));
memset(new, 0, sizeof(*new));
new->name = name;
new->deleted = 1;
return new;
}
struct property *chain_property(struct property *first, struct property *list)
{
assert(first->next == NULL);
first->next = list;
return first;
}
struct property *reverse_properties(struct property *first)
{
struct property *p = first;
struct property *head = NULL;
struct property *next;
while (p) {
next = p->next;
p->next = head;
head = p;
p = next;
}
return head;
}
struct node *build_node(struct property *proplist, struct node *children,
struct srcpos *srcpos)
{
struct node *new = xmalloc(sizeof(*new));
struct node *child;
memset(new, 0, sizeof(*new));
new->proplist = reverse_properties(proplist);
new->children = children;
new->srcpos = srcpos_copy(srcpos);
for_each_child(new, child) {
child->parent = new;
}
return new;
}
struct node *build_node_delete(struct srcpos *srcpos)
{
struct node *new = xmalloc(sizeof(*new));
memset(new, 0, sizeof(*new));
new->deleted = 1;
new->srcpos = srcpos_copy(srcpos);
return new;
}
struct node *name_node(struct node *node, char *name)
{
assert(node->name == NULL);
node->name = name;
return node;
}
struct node *omit_node_if_unused(struct node *node)
{
node->omit_if_unused = 1;
return node;
}
struct node *reference_node(struct node *node)
{
node->i