add scratch arena to Proc

1 files changed, 17 insertions, 1 deletions

diff --git a/ir.h b/ir.h
index 8923607..0e30a06 100644
--- a/ir.h
+++ b/ir.h
@@ -169,8 +169,24 @@ typedef struct {
 
 typedef DYNARR(ScopeName) ScopeNameList;
 
+/*
+ * TODO: move to having
+	typedef struct {
+		Arena *arena;
+		Node *start, *stop, *ctrl, *keepalive;
+		Node *free_list;
+	} Graph;
+	typedef struct {
+		Arena arena;
+		Str name;
+		Graph graph;
+		Scope scope;
+	} Proc;
+  * so that scope handling can be separated from the rest of IR
+  */
+
 typedef struct {
-	Arena arena;
+	Arena perm, scratch;
 	Str name;
 	Node *start, *stop, *ctrl, *keepalive;
 	Node *free_list;