refactor: adding a initializer function

Author: Heitor Danilo

src/token/array_operations.c

@@ -0,0 +1,49 @@
+#include <stdlib.h>
+
+#include <token/lib.h>
+
+/**
+ * Initializes a dynamic array of tokens.
+ *
+ * @return A pointer to the newly created token array.
+ */
+struct Tokens *new_tokens_array() {
+ struct Tokens *tokens_array = (struct Tokens *)malloc(sizeof(struct Tokens));
+
+ tokens_array->capacity = 10;
+ tokens_array->size = 0;
+ tokens_array->tokens = (struct Token **)malloc(tokens_array->capacity * sizeof(struct Token *));
+
+ return tokens_array;
+}
+
+/**
+ * Pushes a token to a dynamic array of tokens.
+ *
+ * @param array The token array.
+ * @param token The token to be added.
+ */
+void push_token(struct Tokens *array, struct Token *token) {
+ if (array->size == array->capacity) {
+ array->capacity *= 2;
+ array->tokens = (struct Token **)realloc(array->tokens,
+ array->capacity * sizeof(struct Token *));
+ }
+
+ array->tokens[array->size] = token;
+ array->size++;
+}
+
+/**
+ * Deallocates the memory used by the token array and all its tokens.
+ *
+ * @param array The token array to be deallocated.
+ */
+void pop_tokens(struct Tokens *array) {
+ for (size_t i = 0; i < array->size; i++) {
+ free(array->tokens[i]);
+ }
+
+ free(array->tokens);
+ free(array);
+}