From edf807a5b3a99d0a4147f9f541f3ad68655129ce Mon Sep 17 00:00:00 2001
From: XOR <theboring_xor@outlook.com>
Date: Sat, 30 Sep 2023 16:49:50 +0200
Subject: [PATCH 1/3] Open eipa assembly in binary mode, to make LF files work
 in Windows

---
 src/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main.c b/src/main.c
index dc77423..a41e130 100755
--- a/src/main.c
+++ b/src/main.c
@@ -127,7 +127,7 @@ int main(int argc, char **argv)
 
     // Tokenize the EIPA Assembly
     FILE *assembly_file;
-    assembly_file = fopen(arguments.input_file, "r");
+    assembly_file = fopen(arguments.input_file, "rb");
     if (assembly_file == NULL)
     {
 	printf("Error: Couldn't open input file\n");

From 26095748df3a4e46b45a06f48544f808373f9121 Mon Sep 17 00:00:00 2001
From: XOR <theboring_xor@outlook.com>
Date: Sat, 30 Sep 2023 16:51:10 +0200
Subject: [PATCH 2/3] Add support for CRLF text files

---
 header/common.h |  1 +
 src/lexer.c     | 24 ++++++++++++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/header/common.h b/header/common.h
index 6a0305b..fb4576a 100755
--- a/header/common.h
+++ b/header/common.h
@@ -33,6 +33,7 @@ Here, common macros are specified
 #define ASCII_TAB 9
 #define ASCII_SPACE 32
 #define ASCII_NEWLINE 10
+#define ASCII_CARRIAGE_RETURN 13
 
 #define INSTR_INP 0b0001
 #define INSTR_OUT 0b0010
diff --git a/src/lexer.c b/src/lexer.c
index f979418..ea4b382 100755
--- a/src/lexer.c
+++ b/src/lexer.c
@@ -91,6 +91,30 @@ void lexer(FILE *input_file, dynamic_buffer_t *tokens)
 
             is_pos_line_start = 1;
             break;
+	case ASCII_CARRIAGE_RETURN:
+	    // Some operating systems use \r\n or just \r for newlines in texts.
+
+	    // This is a indice of a new token -> increase token_index
+	    token_index++;
+
+            // This also is a indice of a new instruction beginning
+            // in the tokens array, instructions are seperated by semicolons
+            ((char (*)[MAX_TOKEN_SIZE]) tokens->buffer)[token_index][0] = ';';
+	    tokens->used += MAX_TOKEN_SIZE;
+
+            // Since the Instruction seperator (';') is also a token, we need to increase token_index again
+            token_index++;
+
+	    // Check for \r\n
+	    if((char) prefgetc(input_file) == ASCII_NEWLINE)
+	    {
+		// Skip over this \n
+		current_char = fgetc(input_file);
+	    }
+
+            is_pos_line_start = 1;
+            break;
+	    
         case ';':
             // Loop over the comment
             while (prefgetc(input_file) != ASCII_NEWLINE && prefgetc(input_file) != '\0')

From 44beccfd06bc82f23ab48f12f93ed0d764342c24 Mon Sep 17 00:00:00 2001
From: XOR <theboring_xor@outlook.com>
Date: Sat, 30 Sep 2023 16:51:47 +0200
Subject: [PATCH 3/3] mark fall through as intentional

---
 src/error_analyzer.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/error_analyzer.c b/src/error_analyzer.c
index 5c37d85..138b53d 100644
--- a/src/error_analyzer.c
+++ b/src/error_analyzer.c
@@ -60,10 +60,12 @@ unsigned int check_token_errors(char tokens[][MAX_TOKEN_SIZE], shash_hashtable_t
 				    break;
 			    }
 			}
+			// Do not fall through
 			break;
 		    }
 		    
 		}
+		// fall through
                 case 0:
                 {
                     // Check the adress stored at the next token