Refactored the scanner and updated the Token struct to store the length of its lexeme to avoid malloc()ing new strings for every token.

lox.c

@@ -1,3 +1,4 @@
+#include "scanner.h"
 #include <stdio.h>
 #include <stdlib.h>
 #include <sysexits.h>
@@ -19,10 +20,26 @@ int main(int argc, char** argv) {
     }
 }
 
+void Print(TokenList* list) {
+    char lexeme[100];
+
+    for(int i = 0; i < list->size; i++) {
+        printf("[Line %d] ", list->tokens[i]->line);
+        for(int j = 0; j < list->tokens[i]->length; j++) {
+            printf("%c", list->tokens[i]->lexeme[j]);
+        }
+        printf("\n");
+    }
+}
+
 void RunFile(const char* path) {
     printf("Running '%s'\n", path);
     char* contents = GetFileContents(path);
-    //Tokenize(contents);
+    TokenList* tokens = ScanTokens(contents);
+    Print(tokens);
+
+    DestroyTokenList(tokens);
+    free(contents);
 }
 
 char* GetFileContents(const char* path) {