Predrok 2025 - Naloga 1

grammar.txt

@@ -70,3 +70,27 @@ initializer -> INTCONST intconstmult | CHARCONST | STRINGCONST .
 intconstmult -> MUL const | .
 
 const -> INTCONST | CHARCONST | STRINGCONST .
+
+
+--------------------------------------------------------------------
+
+//LEFT ASOC.
+exp0 = exp0 op other | other
+
+    |
+    v
+
+exp0  = other exp0'
+exp0' = op other exp0' | .
+
+
+
+
+//RIGHT ASOC.
+exp0 = other op exp0 | other
+
+    |
+    v
+
+exp0  = other exp0'
+exp0' =  op exp0 | .

prg/test.pins25

@@ -1,4 +1,5 @@
-fun putint(n)
+// line1 --
+line2 -----x
+line3
 
-fun main() =
-	putint(__LINE__)
+fun main() = 0

src/pins25/common/Token.java

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

src/pins25/phase/LexAn.java

@@ -247,7 +247,13 @@ public class LexAn implements AutoCloseable {
                     return;
                 }
 
-                while (buffChar != '\n' && buffChar != -1) {
+                StringBuilder builder = new StringBuilder();
+                
+                while (buffChar != -1) {
+                    if (buffChar == '\n' && !builder.toString().endsWith("--")) {
+                        break;
+                    }
+                    builder.append((char) buffChar);
                     nextChar();
                 }
 
@@ -319,7 +325,6 @@ 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;
         };
     }
@@ -452,15 +457,6 @@ 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,