From 61b54e8f6b177f33a1428ab6a3622503a63cc1d6 Mon Sep 17 00:00:00 2001
From: Mike Buland <mike@xagasoft.com>
Date: Tue, 9 Jun 2026 14:02:53 -0700
Subject: Identifiers work!

---
 src/lexer.rs | 27 ++++++++++++++++++++-------
 1 file changed, 20 insertions(+), 7 deletions(-)

(limited to 'src/lexer.rs')

diff --git a/src/lexer.rs b/src/lexer.rs
index 0724df2..2e43914 100644
--- a/src/lexer.rs
+++ b/src/lexer.rs
@@ -20,6 +20,7 @@ pub enum SymbolType<'a> {
     Output,
     Show,
     Equals,
+    Period,
     Token(&'a str),
     Literal(&'a str),
     Text(&'a str),
@@ -78,13 +79,20 @@ pub struct Lexer<'a> {
     pos: Position,
 }
 
-fn is_valid_token_char( c: char ) -> bool {
+fn is_valid_token_char( c: char, first: bool ) -> bool {
     if c.is_whitespace() {
         return false;
     }
-    match c {
-        'a'..'z' | 'A'..'Z' | '0'..'9' | '_' | '-' => true,
-        _ => false
+    if first {
+        match c {
+            'a'..'z' | 'A'..'Z' | '_' => true,
+            _ => false
+        }
+    } else {
+        match c {
+            'a'..'z' | 'A'..'Z' | '0'..'9' | '_' => true,
+            _ => false
+        }
     }
 }
 
@@ -214,13 +222,18 @@ impl<'a> Lexer<'a> {
                 self.next();
                 return Some(Symbol::new(SymbolType::Equals, self.pos, self.pos));
             }
+            Some('.') => {
+                self.next();
+                return Some(Symbol::new(SymbolType::Period, self.pos, self.pos));
+            }
             _ => {}
         }
         let start = self.cur_index();
         let start_pos = self.pos.clone();
-        
-        while self.next().is_some_and(|ch| is_valid_token_char(ch) ) &&
-            !self.is_end_tag() {}
+       
+        let mut first = true;
+        while self.next().is_some_and(|ch| is_valid_token_char(ch, first) ) &&
+            !self.is_end_tag() { first = false; }
         let end = self.cur_index();
         let end_pos = self.pos.clone();
         let s = &self.data[start..end];
-- 
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