Re: [PATCH 2/4] more transparent dealing with tokens/position

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Unify usage of `eof_token', version with respective asserts,
mainly intended for convenient testing.

Signed-off-by: Jan Pokorny <pokorny_jan@xxxxxxxxx>
---
 pre-process.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/pre-process.c b/pre-process.c
index 603cc00..cee3d29 100644
--- a/pre-process.c
+++ b/pre-process.c
@@ -19,6 +19,7 @@
 #include <fcntl.h>
 #include <limits.h>
 #include <time.h>
+#include <assert.h>
 
 #include "lib.h"
 #include "allocate.h"
@@ -794,11 +795,13 @@ out:
 
 static int free_preprocessor_line(struct token *token)
 {
-	while (token_type(token) != TOKEN_EOF) {
+	while (!eof_token(token)) {
+		assert(token_type(token) != TOKEN_EOF);
 		struct token *free = token;
 		token = token->next;
 		__free_token(free);
 	};
+	assert(token_type(token) == TOKEN_EOF);
 	return 1;
 }
 
-- 
1.7.1
--
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