From 15b877a368376aed2b401dffe300e446a59929dd Mon Sep 17 00:00:00 2001
From: Manuel Friedli <manuel@fritteli.ch>
Date: Sun, 24 Mar 2024 05:04:05 +0100
Subject: [PATCH] Block comments, and fix the line comments :)

---
 .../fritteli/gombaila/domain/lexer/Lexer.java | 38 ++++++++++++++++---
 src/main/resources/gombaila/simple.gb         |  9 -----
 2 files changed, 32 insertions(+), 15 deletions(-)

diff --git a/src/main/java/ch/fritteli/gombaila/domain/lexer/Lexer.java b/src/main/java/ch/fritteli/gombaila/domain/lexer/Lexer.java
index 8538bdc..d5bd107 100644
--- a/src/main/java/ch/fritteli/gombaila/domain/lexer/Lexer.java
+++ b/src/main/java/ch/fritteli/gombaila/domain/lexer/Lexer.java
@@ -50,12 +50,7 @@ public class Lexer {
             } else if (c == '*') {
                 this.handleSimple(TokenType.MULT, line, column);
             } else if (c == '/') {
-                if (this.content.peekNext().exists(n -> n == '/')) {
-                    this.content.next();
-                    this.handleLineComment();
-                } else {
-                    this.handleSimple(TokenType.DIV, line, column);
-                }
+                this.handleForwardSlash(line, column);
             } else if (c == '%') {
                 this.handleSimple(TokenType.MOD, line, column);
             } else if (c == '^') {
@@ -112,6 +107,20 @@ public class Lexer {
         this.appendToken(new Token(tokenType, line, column));
     }
 
+    private void handleForwardSlash(final int line, final int column) {
+        this.content.next();
+        if (this.content.peekNext().exists(n -> n == '/')) {
+            this.content.next();
+            this.handleLineComment();
+        }
+        if (this.content.peekNext().exists(n -> n == '*')) {
+            this.content.next();
+            this.handleBlockComment();
+        } else {
+            this.tokens.append(new Token(TokenType.DIV, line, column));
+        }
+    }
+
     private void handleLineComment() {
         while (this.content.peekNext().exists(next -> next != '\n')) {
             this.content.next();
@@ -121,6 +130,23 @@ public class Lexer {
         }
     }
 
+    private void handleBlockComment() {
+        // ...*/
+        while (this.content.peekNext().exists(next -> next != '*')) {
+            this.content.next();
+        }
+        if (this.content.peekNext().exists(n -> n == '*')) {
+            this.content.next();
+            if (this.content.peekNext().exists(n -> n == '/')) {
+                this.content.next();
+                return;
+            }
+            handleBlockComment();
+        } else {
+            return;
+        }
+    }
+
     private void appendToken(@NotNull final Token token) {
         this.tokens = this.tokens.append(token);
     }
diff --git a/src/main/resources/gombaila/simple.gb b/src/main/resources/gombaila/simple.gb
index 22df3fd..e69de29 100644
--- a/src/main/resources/gombaila/simple.gb
+++ b/src/main/resources/gombaila/simple.gb
@@ -1,9 +0,0 @@
-let x = 1;
-if (x) {
-//    x = 99;
-} else {
-    x = 12;
-}
-// comment
-exit(x);
-// comment
\ No newline at end of file