start trying to fix memory leaks

src/main.c

@@ -17,7 +17,13 @@ int main(int argc, char *argv[]) {
 
   darray_init(&tokens, sizeof(Token));
 
-  LexerState state = {path, fopen(path, "r"), 0, 0, &tokens};
+  FILE * file = fopen(path, "r");
+
+  if (!file) {
+    return -1;
+  }
+
+  LexerState state = {path, file, 0, 0, &tokens};
   lexer(state);
   fclose(state.file);
 
@@ -29,6 +35,5 @@ int main(int argc, char *argv[]) {
   darray_free(&tokens, free_token);
 
   darray_free(&ast, free_parsed);
-
   return 0;
 }

src/parser/assignable/assign/assign.c

@@ -54,6 +54,8 @@ void free_parse_assign(void *ptr) {
   ParsedValue *parsedValue = ptr;
   ParsedAssign *parsedAssign = parsedValue->data;
   free_parsed(parsedAssign->to);
+  free(parsedAssign->to);
   free_parsed(parsedAssign->from);
+  free(parsedAssign->from);
   free(parsedAssign);
 }

src/parser/operations/operations.c

@@ -4,10 +4,13 @@
 #include <stddef.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
 ParsedValue *convert_to_operation(DArray * to_operate_on, DArray * operations) {
   if (to_operate_on->size == 1) {
-    return darray_get(to_operate_on, 0);
+    ParsedValue * parsedValue = malloc(sizeof(ParsedValue));
+    memcpy(parsedValue, darray_get(to_operate_on, 0), sizeof(ParsedValue));
+    return parsedValue;
   }
   TokenType operation = 0;
   DArray positions;
@@ -68,8 +71,8 @@ ParsedValue *parse_operations(char *file, DArray *tokens, size_t *index,
     darray_push(&to_operate_on, parse_token_full(file, tokens, index, true, false));
   }
   ParsedValue *output = convert_to_operation(&to_operate_on, &operations);
-  darray_free(&to_operate_on, free_parsed);
-  darray_free(&operations, free_parsed);
+  darray_free(&to_operate_on, NULL);
+  darray_free(&operations, NULL);
   return output;
 }
 

src/parser/parser.c

@@ -17,6 +17,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <gmp.h>
 
 const char *ValueTypeNames[] = {
     "string", "assign",      "identifier", "number",  "if statement", "access",
@@ -196,6 +197,8 @@ void free_parsed(void *ptr) {
     free_parse_access(parsed);
     break;
   case AST_NUMBER:
+    mpz_clear(parsed->data);
+    break;
   case AST_NULL:
   case AST_BOOLEAN:
     break;