parser
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a1196e11b8
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bc28446ce4
123
gdsparse.c
123
gdsparse.c
@ -16,18 +16,60 @@ enum record {
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BGNSTR = 0x0502,
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STRNAME = 0x0606,
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ENDSTR = 0x0700,
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BOUNDARY = 0x0800,
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PATH = 0x0900,
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SREF = 0x0A00,
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ENDEL = 0x1100
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};
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static struct gds_library * append_library(struct gds_library *curr_arr, unsigned int curr_count)
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{
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unsigned int size = (curr_count +1) * sizeof(struct gds_library);
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return (struct gds_library *)realloc(curr_arr, size);
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struct gds_library *ptr = (struct gds_library *)realloc(curr_arr, size);
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if (ptr) {
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ptr[curr_count].cells_count = 0;
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ptr[curr_count].name[0] = 0;
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}
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return ptr;
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}
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static struct gds_graphics * append_graphics(struct gds_graphics *curr_arr, unsigned int curr_count)
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{
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unsigned int size = (curr_count +1) * sizeof(struct gds_graphics);
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struct gds_graphics *ptr = (struct gds_graphics *)realloc(curr_arr, size);
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if (ptr != NULL) {
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ptr[curr_count].vertices_count = 0;
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ptr[curr_count].vertices = NULL;
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}
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return ptr;
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}
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static struct gds_cell * append_cell(struct gds_cell *curr_arr, unsigned int curr_count)
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{
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unsigned int size = (curr_count +1) * sizeof(struct gds_cell);
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return (struct gds_cell *)realloc(curr_arr, size);
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struct gds_cell *ptr = (struct gds_cell *)realloc(curr_arr, size);
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if (ptr != NULL) {
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ptr[curr_count].child_cells_count = 0;
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ptr[curr_count].graphic_objs_count = 0;
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ptr[curr_count].child_cells = NULL;
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ptr[curr_count].graphic_objs = NULL;
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ptr[curr_count].name[0] = 0;
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}
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return ptr;
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}
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static gds_cell_instance * append_cell_ref(struct gds_cell_instance* curr_arr, unsigned int curr_count)
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{
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unsigned int size = (curr_count + 1) * sizeof(struct gds_cell_instance);
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struct gds_cell_instance *ptr = (struct gds_cell_instance *)realloc(curr_arr, size);
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if (ptr) {
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ptr[curr_count].cell_ref = NULL;
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ptr[curr_count].ref_name[0] = 0;
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}
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return ptr;
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}
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static int name_library(struct gds_library *current_library, unsigned int bytes, char* data) {
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@ -169,6 +211,16 @@ int parse_gds_from_file(const char *filename, struct gds_library **library_array
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GDS_ERROR("Closing Library with no opened library");
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break;
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}
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/* Check for open Cells */
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if (current_cell != NULL) {
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run = -4;
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GDS_ERROR("Closing Library with opened cells");
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break;
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}
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current_lib->cells = cell_arr;
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current_lib->cells_count = cell_arr_cnt;
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current_lib = NULL;
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printf("Leaving Library\n");
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break;
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@ -190,9 +242,70 @@ int parse_gds_from_file(const char *filename, struct gds_library **library_array
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GDS_ERROR("Closing cell with no opened cell");
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break;
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}
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/* Check for open Elements */
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if (current_graphics != NULL || current_s_reference != NULL) {
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run = -4;
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GDS_ERROR("Closing cell with opened Elements");
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break;
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}
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current_cell = NULL;
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printf("Leaving Cell\n");
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break;
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case BOUNDARY:
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if (current_cell == NULL) {
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GDS_ERROR("Boundary outside of cell");
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run = -3;
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break;
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}
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current_cell->graphic_objs = append_graphics(current_cell->graphic_objs, current_cell->graphic_objs_count);
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current_cell->graphic_objs_count++;
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if (current_cell->graphic_objs == NULL) {
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GDS_ERROR("Memory allocation failed");
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run = -4;
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break;
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}
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current_graphics = &(current_cell->graphic_objs[current_cell->graphic_objs_count-1]);
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current_graphics->type = GRAPHIC_POLYGON;
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printf("\tEntering boundary\n");
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break;
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case SREF:
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if (current_cell == NULL) {
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GDS_ERROR("Path outside of cell");
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run = -3;
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break;
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}
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current_cell->child_cells = append_cell_ref(current_cell->child_cells, current_cell->child_cells_count);
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if (current_cell->child_cells == NULL) {
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GDS_ERROR("Memory allocation failed");
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run = -4;
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break;
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}
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break;
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case PATH:
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if (current_cell == NULL) {
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GDS_ERROR("Path outside of cell");
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run = -3;
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break;
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}
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current_cell->graphic_objs = append_graphics(current_cell->graphic_objs, current_cell->graphic_objs_count);
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current_cell->graphic_objs_count++;
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if (current_cell->graphic_objs == NULL) {
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GDS_ERROR("Memory allocation failed");
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run = -4;
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break;
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}
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current_graphics = &(current_cell->graphic_objs[current_cell->graphic_objs_count-1]);
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current_graphics->type = GRAPHIC_PATH;
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printf("\tEntering Path\n");
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break;
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case ENDEL:
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if (current_graphics != NULL) {
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printf("\tLeaving %s\n", (current_graphics->type == GRAPHIC_POLYGON ? "boundary" : "path"));
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current_graphics = NULL;
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}
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break;
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}
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break;
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@ -211,7 +324,7 @@ int parse_gds_from_file(const char *filename, struct gds_library **library_array
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switch (rec_type) {
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case LIBNAME:
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name_library(current_lib, read,workbuff);
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name_library(current_lib, read, workbuff);
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break;
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case STRNAME:
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name_cell(current_cell, read, workbuff);
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@ -225,6 +338,10 @@ int parse_gds_from_file(const char *filename, struct gds_library **library_array
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fclose(gds_file);
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/* Iterate and find references to cells */
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*library_array = lib_arr;
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*count = lib_arr_cnt;
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return run;
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@ -24,6 +24,8 @@ struct gds_graphics {
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enum graphics_type type;
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struct gds_point *vertices;
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int vertices_count;
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unsigned int path_width;
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int width_absolute;
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uint16_t layer;
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uint16_t datatype;
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};
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6
main.c
6
main.c
@ -5,7 +5,13 @@ int main()
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{
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struct gds_library *libs;
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unsigned int count = 0;
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int i = 0;
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parse_gds_from_file("/home/mari/Desktop/test.gds", &libs, &count);
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printf("Lib count: %u\n", count);
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for (i = 0; i < count; i++) {
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printf("Lib %s: %d cells\n", libs[i].name, libs[i].cells_count);
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}
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return 0;
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}
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