From 0e96b8551b5293ffeadfebc31b85a165b0a74b99 Mon Sep 17 00:00:00 2001
From: Bobby Bingham <koorogi@koorogi.info>
Date: Tue, 25 Jul 2017 21:08:44 -0500
Subject: create general regex simplification pass

Move the previous special-case logic for removing 1-1 repeats into this
pass.
---
 ast.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'ast.h')

diff --git a/ast.h b/ast.h
index f8183f9..dac6e8a 100644
--- a/ast.h
+++ b/ast.h
@@ -28,7 +28,7 @@ struct atom {
 			struct repeat counts;
 			struct atom *child;
 		} repeat;
-		const struct atom *children[2];
+		struct atom *children[2];
 		const char *literal;
 	} u;
 };
@@ -38,6 +38,8 @@ void dump_atom(const struct atom *a);
 
 void print_regex(const struct atom *a);
 
+void simplify(struct atom *a);
+
 extern struct atom *ast;
 
 #endif
-- 
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