init

2026-04-20 20:09:16 +02:00
commit a97f290271
22 changed files with 451 additions and 0 deletions
@@ -0,0 +1,31 @@
+#ifndef QUEUE_H
+#define QUEUE_H
+
+#include <stdlib.h>
+
+union element_type
+{
+    int operand;
+    char operator;
+};
+
+enum element_tag {
+    TOKEN_OPERAND,
+    TOKEN_OPERATOR
+};
+
+struct expression_element {
+    enum element_tag tag;
+    union element_type data;
+};
+
+struct queue {
+    struct expression_element* data;
+    struct queue *next;
+};
+
+struct queue *enqueue(struct queue *queue, struct expression_element* element);
+struct expression_element* dequeue(struct queue **queue);
+void queue_destroy(struct queue **queue);
+
+#endif /* ! QUEUE_H */