Added multiline comments

.gitignore

@@ -3,3 +3,4 @@ out/
 *.zip
 prg/**/*.ast
 prg/**/*.out
+prg/**/*.pins25

grammar.txt

@@ -70,27 +70,3 @@ 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

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

src/pins25/phase/LexAn.java

@@ -247,14 +247,37 @@ public class LexAn implements AutoCloseable {
                     return;
                 }
 
-                StringBuilder builder = new StringBuilder();
-                
-                while (buffChar != -1) {
-                    if (buffChar == '\n' && !builder.toString().endsWith("--")) {
-                        break;
-                    }
-                    builder.append((char) buffChar);
                 nextChar();
+                if (buffChar == '{') {
+                    int depth = 1;
+
+                    nextChar();
+                    while (depth > 0) {
+                        switch (buffChar) {
+                            case '}':
+                                nextChar();
+                                if (buffChar != '/') continue;
+                                nextChar();
+                                if (buffChar != '/') continue;
+                                depth--;
+                                break;
+                            case '/':
+                                nextChar();
+                                if (buffChar != '/') continue;
+                                nextChar();
+                                if (buffChar != '{') continue;
+                                depth++;
+                                break;
+                            case -1:
+                                throw new Report.Error(currentLocation(), "Unterminated multiline comment");
+                            default:
+                                nextChar();
+                        }
+                    }
+                } else {
+                    while (buffChar != '\n' && buffChar != -1) {
+                        nextChar();
+                    }
                 }
 
                 nextToken();