1*1f5207b7SJohn Levon /* 2*1f5207b7SJohn Levon * Copyright (C) 2009 Dan Carpenter. 3*1f5207b7SJohn Levon * 4*1f5207b7SJohn Levon * This program is free software; you can redistribute it and/or 5*1f5207b7SJohn Levon * modify it under the terms of the GNU General Public License 6*1f5207b7SJohn Levon * as published by the Free Software Foundation; either version 2 7*1f5207b7SJohn Levon * of the License, or (at your option) any later version. 8*1f5207b7SJohn Levon * 9*1f5207b7SJohn Levon * This program is distributed in the hope that it will be useful, 10*1f5207b7SJohn Levon * but WITHOUT ANY WARRANTY; without even the implied warranty of 11*1f5207b7SJohn Levon * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12*1f5207b7SJohn Levon * GNU General Public License for more details. 13*1f5207b7SJohn Levon * 14*1f5207b7SJohn Levon * You should have received a copy of the GNU General Public License 15*1f5207b7SJohn Levon * along with this program; if not, see http://www.gnu.org/copyleft/gpl.txt 16*1f5207b7SJohn Levon */ 17*1f5207b7SJohn Levon 18*1f5207b7SJohn Levon #include "smatch.h" 19*1f5207b7SJohn Levon #include "smatch_expression_stacks.h" 20*1f5207b7SJohn Levon push_expression(struct expression_list ** estack,struct expression * expr)21*1f5207b7SJohn Levonvoid push_expression(struct expression_list **estack, struct expression *expr) 22*1f5207b7SJohn Levon { 23*1f5207b7SJohn Levon add_ptr_list(estack, expr); 24*1f5207b7SJohn Levon } 25*1f5207b7SJohn Levon pop_expression(struct expression_list ** estack)26*1f5207b7SJohn Levonstruct expression *pop_expression(struct expression_list **estack) 27*1f5207b7SJohn Levon { 28*1f5207b7SJohn Levon struct expression *expr; 29*1f5207b7SJohn Levon 30*1f5207b7SJohn Levon expr = last_ptr_list((struct ptr_list *)*estack); 31*1f5207b7SJohn Levon delete_ptr_list_last((struct ptr_list **)estack); 32*1f5207b7SJohn Levon return expr; 33*1f5207b7SJohn Levon } 34*1f5207b7SJohn Levon top_expression(struct expression_list * estack)35*1f5207b7SJohn Levonstruct expression *top_expression(struct expression_list *estack) 36*1f5207b7SJohn Levon { 37*1f5207b7SJohn Levon struct expression *expr; 38*1f5207b7SJohn Levon 39*1f5207b7SJohn Levon expr = last_ptr_list((struct ptr_list *)estack); 40*1f5207b7SJohn Levon return expr; 41*1f5207b7SJohn Levon } 42*1f5207b7SJohn Levon free_expression_stack(struct expression_list ** estack)43*1f5207b7SJohn Levonvoid free_expression_stack(struct expression_list **estack) 44*1f5207b7SJohn Levon { 45*1f5207b7SJohn Levon __free_ptr_list((struct ptr_list **)estack); 46*1f5207b7SJohn Levon } 47