From e8e6feeb95cdc3b81a2c17b5a342a3d0b170ccb4 Mon Sep 17 00:00:00 2001
From: Peter Mikkelsen <petermikkelsen10@gmail.com>
Date: Tue, 22 Feb 2022 12:29:23 +0000
Subject: Prepare for error guards

---
 lexer.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'lexer.c')

diff --git a/lexer.c b/lexer.c
index 0024320..4e9a4e4 100644
--- a/lexer.c
+++ b/lexer.c
@@ -88,11 +88,18 @@ lexline(InputStream *input, int toplevel)
 		}else if(!toplevel && peek == ':'){
 			Rune buf[MAX_LINE_LENGTH];
 			Rune *p = buf;
+			int errorguard = 0;
+			if(getrune(input) == ':')
+				errorguard = 1;
+			else
+				ungetrune(input);
+
 			while((peek = getrune(input)) != L'⋄' && peek != '\n' && !inputEOF(input))
 				*p++ = peek;
 			*p = 0;
 			ungetrune(input);
 			stmt->guard = lexlinestr(buf, toplevel);
+			stmt->errorguard = errorguard;
 			stmt->ntoks--;
 		}else if(peek == '{'){
 			int unclosed = 1;
-- 
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