implemented ast printing

c/include/comment.h

@@ -7,5 +7,6 @@ struct comment {
 };
 
 struct comment * comment_create(char *text);
+int comment_print(struct comment *c);
 
 #endif

c/include/expr.h

@@ -25,6 +25,8 @@ struct expr {
 };
 
 struct expr * expr_create(expr_t kind, struct label *l, struct oper *o, struct ttk_register *f_arg, struct value *s_arg, struct comment *c, struct expr *n);
+int expr_print(struct expr *e);
+
 void expr_copy(struct expr *orig, struct expr *copy);
 
 struct expr *expr_create_instruction(struct oper *o, struct ttk_register *ttk_reg, struct value *v);

c/include/label.h

@@ -15,6 +15,8 @@ struct label {
 };
 
 struct label * label_create(label_t kind, char* name, int value);
+int label_print(struct label *l);
+
 struct label * label_create_const(char* name);
 struct label * label_create_const_sys(char* name);
 struct label * label_create_tag(char* name);

c/include/oper.h

@@ -19,6 +19,8 @@ struct oper {
 };
 
 struct oper * oper_create(oper_t kind, char* oper_name);
+int oper_print(struct oper *o);
+
 struct oper * oper_create_data(char* oper_name);
 struct oper * oper_create_arithmetic(char* oper_name);
 struct oper * oper_create_logic(char* oper_name);

c/include/ttk_register.h

@@ -17,4 +17,6 @@ int parse_register_num(char *name, ttk_register_t kind);
 struct ttk_register * ttk_register_create_register(char* name);
 struct ttk_register * ttk_register_create_stack_register(char* name);
 
+int ttk_register_print(struct ttk_register *ttk_reg);
+
 #endif

c/include/value.h

@@ -50,5 +50,6 @@ struct pure_value * pure_value_create_label(struct label *l);
 
 struct pure_value * pure_value_create(value_t kind, struct ttk_register *ttk_reg, int num, struct label *l);
 addr_mode_t parse_addr_mode(char addr_mode);
+int value_print(struct value *v);
 
 #endif