Create Lexer.h

Exercise 2/C/Lexer.h

@@ -0,0 +1,17 @@
+/* symbols */
+#define _LETTER_ 1
+#define _DIGIT_ 2
+#define _OPERATOR_ 3
+#define _PUNCTUATION_ 4
+#define _END_OF_LINE_ 5
+#define _UNKNOWN_ 10
+
+/* state */
+#define _START_ 100
+#define _GET_NEXT_CHARACTER_ 110
+#define _READ_IDENTIFIER_ 120
+#define _READ_NUM_LIT_ 130
+#define _READ_OPERATOR_ 140
+#define _READ_PUNCTUATION_ 150
+#define _STOP_ 999
+#define _ERROR_ 1000

Exercise 2/C/TestLexer.c

@@ -0,0 +1,8 @@
+#include <stdio.h>
+#include "Lexer.h"
+
+int main() {
+    char* sourcecode = "Hello World the second - I coded this before. So yeah, FOXES ARE SUPERIOR.\nBut the professor wants us to write the following: \"index = 2 * count + 42;\"";
+    printf(sourcecode);
+    return 0;
+}