From 19528c3cab1020196bd6a033dd47871e087f8886 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Tue, 6 Oct 2020 13:12:09 -0400
Subject: expr, eval: Clean up header dependencies

---
 eval.c |  1 +
 eval.h | 23 +++++++++++++++++++++--
 expr.h | 18 +-----------------
 3 files changed, 23 insertions(+), 19 deletions(-)

diff --git a/eval.c b/eval.c
index 246a60c..e3806d8 100644
--- a/eval.c
+++ b/eval.c
@@ -25,6 +25,7 @@
 #include "diag.h"
 #include "dstring.h"
 #include "exec.h"
+#include "expr.h"
 #include "fsade.h"
 #include "mtab.h"
 #include "printf.h"
diff --git a/eval.h b/eval.h
index 9a1885b..2a43e09 100644
--- a/eval.h
+++ b/eval.h
@@ -22,8 +22,27 @@
 #ifndef BFS_EVAL_H
 #define BFS_EVAL_H
 
-#include "ctx.h"
-#include "expr.h"
+#include <stdbool.h>
+
+struct bfs_ctx;
+struct expr;
+
+/**
+ * Ephemeral state for evaluating an expression.
+ */
+struct eval_state;
+
+/**
+ * Expression evaluation function.
+ *
+ * @param expr
+ *         The current expression.
+ * @param state
+ *         The current evaluation state.
+ * @return
+ *         The result of the test.
+ */
+typedef bool eval_fn(const struct expr *expr, struct eval_state *state);
 
 /**
  * Evaluate the command line.
diff --git a/expr.h b/expr.h
index 4bb2e84..2462861 100644
--- a/expr.h
+++ b/expr.h
@@ -22,6 +22,7 @@
 #define BFS_EXPR_H
 
 #include "color.h"
+#include "eval.h"
 #include "exec.h"
 #include "printf.h"
 #include "stat.h"
@@ -36,23 +37,6 @@
  */
 struct expr;
 
-/**
- * Ephemeral state for evaluating an expression.
- */
-struct eval_state;
-
-/**
- * Expression evaluation function.
- *
- * @param expr
- *         The current expression.
- * @param state
- *         The current evaluation state.
- * @return
- *         The result of the test.
- */
-typedef bool eval_fn(const struct expr *expr, struct eval_state *state);
-
 /**
  * Possible types of numeric comparison.
  */
-- 
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