Add handling of binary numbers 0b1001

2022-06-15 09:22:28 +02:00
parent 891d4304e0
commit 43f424c414
3 changed files with 38 additions and 9 deletions
--- a/lexing.cpp
+++ b/lexing.cpp
@@ -509,6 +509,19 @@ lex__stream(Lexer *lexer){
            lex_parse_u64(lexer, &t, 16);
          break;
        }
+        else if(lexc(s) == 'b'){
+          lex_advance(s);
+          while(lexc(s) == '0' || lexc(s) == '1')
+            lex_advance(s);
+          lex_set_len(s, &t);
+          t.str += 2;
+          t.len -= 2;
+          if(t.len == 0)
+            token_error(&t, "Hex constant doesn't have value"_s);
+          else
+            lex_parse_u64(lexer, &t, 2);
+          break;
+        }

      }
      case '1':case '2':case '3':case '4':