Progress on checking sets

1 files changed, 9 insertions, 2 deletions

diff --git a/src/parser.rs b/src/parser.rs
index f98673e..7fa4241 100644
--- a/src/parser.rs
+++ b/src/parser.rs
@@ -4,10 +4,17 @@ use crate::ast::*;
 
 parser! {
     pub grammar parser() for str {
+
+        // comment
+
+        rule comment() = quiet!{ "//" [^'\n' |'\r']* ['\n' | '\r'] }
+
         // whitespace
 
-        rule _() = quiet!{ [' ' | '\t' | '\n' | '\r']* }
-        rule __() = quiet!{ [' ' | '\t' | '\n' | '\r']+ }
+        rule ws_char() = [' ' | '\t' | '\n' | '\r']
+        rule skip() = ws_char() / comment()
+        rule _() = quiet!{ skip()* }
+        rule __() = quiet!{ skip()+ }
 
         rule ident_tail() = ['a'..='z' | 'A'..='Z' | '0'..='9' | '_' | '\'']
         rule wb() = !ident_tail()