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authorNathan Froyd <froydnj@codesourcery.com>2010-06-28 13:06:43 +0000
committerNathan Froyd <froydnj@gcc.gnu.org>2010-06-28 13:06:43 +0000
commit4052358138f792121cc1a2610fc9d7abc172f7d9 (patch)
tree1f3be6e2072755eaf721086ce08d3819905d5a8f /gcc/tree-browser.c
parent9062f848ce87430efb0218a97068cbf3f2d9f214 (diff)
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tree-browser.c (TB_history_stack): Convert to a VEC.
* tree-browser.c (TB_history_stack): Convert to a VEC. (TB_SET_HEAD): Adjust for new type of TB_history_stack. (TB_history_prev): Likewise. From-SVN: r161490
Diffstat (limited to 'gcc/tree-browser.c')
-rw-r--r--gcc/tree-browser.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/gcc/tree-browser.c b/gcc/tree-browser.c
index a7c80c9..3803a50 100644
--- a/gcc/tree-browser.c
+++ b/gcc/tree-browser.c
@@ -108,7 +108,7 @@ void browse_tree (tree);
/* Static variables. */
static htab_t TB_up_ht;
-static tree TB_history_stack = NULL_TREE;
+static VEC(tree,gc) *TB_history_stack;
static int TB_verbose = 1;
@@ -126,7 +126,7 @@ browse_tree (tree begin)
fprintf (TB_OUT_FILE, "\nTree Browser\n");
#define TB_SET_HEAD(N) do { \
- TB_history_stack = tree_cons (NULL_TREE, (N), TB_history_stack); \
+ VEC_safe_push (tree, gc, TB_history_stack, N); \
head = N; \
if (TB_verbose) \
if (head) \
@@ -876,11 +876,11 @@ find_node_with_code (tree *tp, int *walk_subtrees ATTRIBUTE_UNUSED,
static tree
TB_history_prev (void)
{
- if (TB_history_stack)
+ if (!VEC_empty (tree, TB_history_stack))
{
- TB_history_stack = TREE_CHAIN (TB_history_stack);
- if (TB_history_stack)
- return TREE_VALUE (TB_history_stack);
+ tree last = VEC_last (tree, TB_history_stack);
+ VEC_pop (tree, TB_history_stack);
+ return last;
}
return NULL_TREE;
}