From e0941a9db8b3a8a99465bb2c7a7c99f3cf0ccb83 Mon Sep 17 00:00:00 2001
From: Deukhoofd <deukhoofd@gmail.com>
Date: Sun, 1 Sep 2019 20:18:32 +0200
Subject: [PATCH] Handle comments

---
 src/Parser/Lexer.cpp     | 14 +++++++++++++-
 src/Parser/Lexer.hpp     |  1 +
 src/Parser/TokenKind.hpp |  1 +
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/Parser/Lexer.cpp b/src/Parser/Lexer.cpp
index 5f02b3a..6b4badc 100644
--- a/src/Parser/Lexer.cpp
+++ b/src/Parser/Lexer.cpp
@@ -18,7 +18,7 @@ namespace Porygon::Parser {
         while (true) {
             Token *next = this->LexNext(this->Next());
             auto nextKind = next->GetKind();
-            if (nextKind != TokenKind::WhiteSpace)
+            if (nextKind != TokenKind::WhiteSpace && nextKind != TokenKind::Comment)
                 tokens.push_back(next);
             else
                 delete next;
@@ -54,6 +54,9 @@ namespace Porygon::Parser {
             case '+':
                 return new SimpleToken(TokenKind::PlusToken, this->_position - 1, 1);
             case '-':
+                if (Lexer::Peek() == '-') {
+                    return LexComment();
+                }
                 return new SimpleToken(TokenKind::MinusToken, this->_position - 1, 1);
             case '/':
                 return new SimpleToken(TokenKind::SlashToken, this->_position - 1, 1);
@@ -318,4 +321,13 @@ namespace Porygon::Parser {
         return new StringToken(stream.str(), start, end - start);
     }
 
+    Token *Lexer::LexComment() {
+        auto start = Lexer::_position;
+        while (Lexer::Next() != '\n'){
+            continue;
+        }
+        auto length = Lexer::_position - start;
+        return new SimpleToken(TokenKind::Comment, start, length);
+    }
+
 }
\ No newline at end of file
diff --git a/src/Parser/Lexer.hpp b/src/Parser/Lexer.hpp
index 6224633..9c9254a 100644
--- a/src/Parser/Lexer.hpp
+++ b/src/Parser/Lexer.hpp
@@ -21,6 +21,7 @@ namespace Porygon::Parser{
         Token* LexNumber(char16_t c);
         Token* LexIdentifierOrKeyword();
         Token* LexString(char16_t c);
+        Token* LexComment();
     public:
         Porygon::Script* ScriptData;
 
diff --git a/src/Parser/TokenKind.hpp b/src/Parser/TokenKind.hpp
index dd2e0f2..b90503d 100644
--- a/src/Parser/TokenKind.hpp
+++ b/src/Parser/TokenKind.hpp
@@ -6,6 +6,7 @@ namespace Porygon::Parser {
         EndOfFile,
         BadToken,
         WhiteSpace,
+        Comment,
 
         PlusToken,
         MinusToken,