Changes the parsing API for subex to be more suitable to being part of a larger program

1 files changed, 6 insertions, 1 deletions

diff --git a/subex/main.go b/subex/main.go
index 091625b..9824f10 100644
--- a/subex/main.go
+++ b/subex/main.go
@@ -131,7 +131,12 @@ func Main() {
 		panic("Expected: program [subex]")
 	}
 	program := os.Args[1]
-	ast := Parse(program)
+	reader := &StringRuneReader {
+		input: program,
+		pos: 0,
+		width: 0,
+	}
+	ast := Parse(reader)
 	transducer := CompileTransducer(ast)
 
 	stdin := bufio.NewReader(os.Stdin);