gds-render/gds-parser/gds-tree-checker.c

92 lines
2.5 KiB
C

/*
* GDSII-Converter
* Copyright (C) 2019 Mario Hüttel <mario.huettel@gmx.net>
*
* This file is part of GDSII-Converter.
*
* GDSII-Converter is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* GDSII-Converter 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 GDSII-Converter. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file gds-tree-checker.c
* @brief Checking functions of a cell tree
*
* This file contains cehcking functions for the GDS cell tree.
* These functions include checks if all child references could be resolved,
* and if the cell tree contains loops.
*
* @author Mario Hüttel <mario.huettel@gmx.net>
*/
/**
* @addtogroup GDS-Utilities
* @{
*/
#include "gds-tree-checker.h"
#include <stdio.h>
int gds_tree_check_cell_references(struct gds_library *lib)
{
GList *cell_iter;
struct gds_cell *cell;
GList *instance_iter;
struct gds_cell_instance *cell_inst;
int total_unresolved_count = 0;
if (!lib)
return -1;
/* Iterate over all cells in library */
for (cell_iter = lib->cells; cell_iter != NULL; cell_iter = g_list_next(cell_iter)) {
cell = (struct gds_cell *)cell_iter->data;
/* Check if this list element is broken. This should never happen */
if (!cell) {
fprintf(stderr, "Broken cell list item found. Will continue.\n");
continue;
}
/* Reset the unresolved cell reference counter to 0 */
cell->checks.unresolved_child_count = 0;
/* Iterate through all child cell references and check if the references are set */
for (instance_iter = cell->child_cells; instance_iter != NULL;
instance_iter = g_list_next(instance_iter)) {
cell_inst = (struct gds_cell_instance *)instance_iter->data;
/* Check if broken. This should also not happen */
if (!cell_inst) {
fprintf(stderr, "Broken cell list item found in cell %s. Will continue.\n",
cell->name);
continue;
}
/* Check if instance is valid; else increment "error" counter of cell */
if (!cell_inst->cell_ref) {
total_unresolved_count++;
cell->checks.unresolved_child_count++;
}
}
}
return total_unresolved_count;
}
int gds_tree_check_reference_loops(struct gds_library *lib)
{
return 0;
}
/** @} */