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/**
* mds — A micro-display server
* Copyright © 2014 Mattias Andrée (maandree@member.fsf.org)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MDS_MDS_KBDC_CALL_STACK_H
#define MDS_MDS_KBDC_CALL_STACK_H
#include "parsed.h"
#include "include-stack.h"
/**
* Add “called from here”-notes
*/
#define DUMP_CALL_STACK \
fail_if (mds_kbdc_call_stack_dump())
/**
* Add “called from here”-notes
*
* @return Zero on success, -1 on error
*/
int mds_kbdc_call_stack_dump(void);
/**
* Prepare for usage of call-stacks
*
* @param result The `result` parameter of root procedure that requires the call-stack
*/
void mds_kbdc_call_stack_begin(mds_kbdc_parsed_t* restrict result);
/**
* Cleanup after usage of call-stacks
*/
void mds_kbdc_call_stack_end(void);
/**
* Mark an function- or macro-call
*
* @param tree The tree node where the call was made
* @param start The position of the line of the tree node where the call begins
* @param end The position of the line of the tree node where the call end
* @return Zero on success, -1 on error
*/
int mds_kbdc_call_stack_push(const mds_kbdc_tree_t* restrict tree, size_t start, size_t end);
/**
* Undo the lasted not-undone call to `mds_kbdc_call_stack_push`
*
* This function is guaranteed not to modify `errno`
*/
void mds_kbdc_call_stack_pop(void);
#endif
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