Improve number regex and add lexer guess for carbon syntax (#2370)

1 files changed, 16 insertions, 0 deletions

diff --git a/tests/test_guess.py b/tests/test_guess.py
index 8adf1613..30a0d977 100644
--- a/tests/test_guess.py
+++ b/tests/test_guess.py
@@ -169,6 +169,22 @@ def test_guess_c_lexer():
     lexer = guess_lexer(code)
     assert lexer.__class__.__name__ == 'CLexer'
 
+def test_guess_carbon_lexer():
+    code = '''
+    package Sorting api;
+
+    abstract class C {
+      var a: i32;
+    }
+
+    base class B {
+      var value_b: i32;
+    }
+
+    impl JustX as X {}
+    '''
+    lexer = guess_lexer(code)
+    assert lexer.__class__.__name__ == 'CarbonLexer'
 
 def test_cbmbasicv2_analyse_text():
     text = "10 PRINT \"PART 1\""