From 6c6b91f9a6bc5ae203e99ac7abb3a70215488a6f Mon Sep 17 00:00:00 2001
From: Bobby Bingham <koorogi@koorogi.info>
Date: Wed, 18 Jan 2017 19:40:18 -0600
Subject: nqasm: support unary operators in immediate expressions

---
 nqasm.h | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

(limited to 'nqasm.h')

diff --git a/nqasm.h b/nqasm.h
index 0bc51f7..e5a7452 100644
--- a/nqasm.h
+++ b/nqasm.h
@@ -1,15 +1,23 @@
 #ifndef NQ_NQASM_H
 #define NQ_NQASM_H
 
-#define ARG_INTEGER   0
-#define ARG_LABEL     1
-#define ARG_PC        2
+enum {
+	ARG_INTEGER,
+	ARG_LABEL,
+	ARG_PC,
+
+	ARG_UNARY_ADD,
+	ARG_UNARY_SUB,
+	ARG_UNARY_NOT,
+	ARG_UNARY_INV,
+};
 
 struct argument {
 	int type;
 	union {
 		long value;
 		char *label;
+		const struct argument *children[1];
 	};
 };
 
@@ -25,5 +33,7 @@ struct instruction {
 void add_instruction(const struct instruction *);
 void add_label(const char *);
 
+struct argument *argdup(const struct argument *);
+
 #endif
 
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