add . to regex parsing

2 files changed, 9 insertions, 3 deletions

diff --git a/src/parse/mod.rs b/src/parse/mod.rs
index b475943..4cba0fd 100644
--- a/src/parse/mod.rs
+++ b/src/parse/mod.rs
@@ -1875,8 +1875,10 @@ pub struct Case<T: Stage> {
 }
 
 impl CmdDisplay for CaseBranch {
-    fn cdisplay(&self, _w: &mut dyn std::io::Write) -> std::io::Result<()> {
-        todo!()
+    fn cdisplay(&self, w: &mut dyn std::io::Write) -> std::io::Result<()> {
+        write!(w, "case_branch(\"{:?}\", ", self.pattern)?;
+        self.block.cdisplay(w)?;
+        write!(w, ")")
     }
 }
 
diff --git a/src/parse/regex/mod.rs b/src/parse/regex/mod.rs
index 1c761a1..d5e4cdf 100644
--- a/src/parse/regex/mod.rs
+++ b/src/parse/regex/mod.rs
@@ -89,7 +89,7 @@ fn parse_rep(s: &mut super::Cursor<'_>) -> Result<Pattern> {
     // TODO: non-greedy
 }
 
-const SYMBOLS: &[u8] = b"{}[]()*+-?| ";
+const SYMBOLS: &[u8] = b"{}[]()*+-?|. ";
 fn is_symbol(x: u8) -> bool {
     SYMBOLS.contains(&x)
 }
@@ -150,6 +150,10 @@ fn parse_atom(s: &mut super::Cursor<'_>) -> Result<Pattern> {
             }
             Ok(inner)
         }
+        b'.' => {
+            s.adv();
+            Ok(Pattern::Range(0, 127))
+        }
         x if is_symbol(x) => Ok(Pattern::Nothing),
         ch => {
             s.adv();