Added __LINE__ symbol

prg/test.pins25

@@ -1,2 +1,4 @@
-//1234567890
+fun putint(n)
-//12345678901
+
+fun main() =
+	putint(__LINE__)

src/pins25/common/Token.java

@@ -148,7 +148,11 @@ public record Token(Report.Location location, Symbol symbol, String lexeme) impl
         /**
          * Simbol {@code )}.
          */
-        RPAREN;
+        RPAREN,
+        /**
+         * Simbol {@code __LINE__}.
+         */
+        LINE
     }
 
     @Override

src/pins25/phase/LexAn.java

@@ -246,14 +246,8 @@ public class LexAn implements AutoCloseable {
                     buffToken = new Token(start, Token.Symbol.DIV, "/");
                     return;
                 }
-                nextChar();
 
-                int length = 0;
                 while (buffChar != '\n' && buffChar != -1) {
-                    length++;
-                    if (length > 10) {
-                        throw new Report.Error(currentLocation(), "Comments can only be 10 characters long");
-                    }
                     nextChar();
                 }
 
@@ -325,6 +319,7 @@ public class LexAn implements AutoCloseable {
             case "let" -> Token.Symbol.LET;
             case "in" -> Token.Symbol.IN;
             case "end" -> Token.Symbol.END;
+            case "__LINE__" -> Token.Symbol.LINE;
             default -> null;
         };
     }
@@ -457,6 +452,15 @@ public class LexAn implements AutoCloseable {
             symbol = Token.Symbol.IDENTIFIER;
         }
 
+        if (symbol == Token.Symbol.LINE) {
+            buffToken = new Token(
+                    new Report.Location(startLocation, endLocation),
+                    Token.Symbol.INTCONST,
+                    Integer.toString(startLocation.begLine())
+            );
+            return;
+        }
+
         buffToken = new Token(
                 new Report.Location(startLocation, endLocation),
                 symbol,