Parser finished?
* Implemented basic parser functionality * Tested with GDSII file * Ready to write render output
This commit is contained in:
parent
1a46313d1b
commit
3cfdc86ef8
@ -10,4 +10,4 @@ link_directories(${GLIB_LINK_DIRS})
|
||||
project(gds-render)
|
||||
add_executable(${PROJECT_NAME} "main.c" "gdsparse.c")
|
||||
|
||||
target_link_libraries(${PROJECT_NAME} ${GLIB_LDFLAGS})
|
||||
target_link_libraries(${PROJECT_NAME} ${GLIB_LDFLAGS} m)
|
||||
|
||||
146
gdsparse.c
146
gdsparse.c
@ -2,6 +2,8 @@
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <stdbool.h>
|
||||
#include <math.h>
|
||||
|
||||
#define GDS_ERROR(fmt, ...) printf("[PARSE_ERROR] " fmt "\n",## __VA_ARGS__)
|
||||
#define GDS_WARN(fmt, ...) printf("[PARSE_WARNING] " fmt "\n",## __VA_ARGS__)
|
||||
@ -29,7 +31,8 @@ enum record {
|
||||
LAYER = 0x0D02,
|
||||
};
|
||||
|
||||
static int name_cell_ref(struct gds_cell_instance *cell_inst, unsigned int bytes, char* data) {
|
||||
static int name_cell_ref(struct gds_cell_instance *cell_inst, unsigned int bytes, char* data)
|
||||
{
|
||||
int len;
|
||||
|
||||
if (cell_inst == NULL)
|
||||
@ -50,6 +53,46 @@ static int name_cell_ref(struct gds_cell_instance *cell_inst, unsigned int bytes
|
||||
|
||||
}
|
||||
|
||||
static double gds_convert_double(char *data)
|
||||
{
|
||||
bool sign_bit;
|
||||
int i;
|
||||
double ret_val;
|
||||
char current_byte;
|
||||
int bit = 0;
|
||||
int exponent;
|
||||
|
||||
sign_bit = ((data[0] & 0x80) ? true : false);
|
||||
|
||||
/* Check for real 0 */
|
||||
for (i = 0; i < 8; i++) {
|
||||
if (data[i] != 0)
|
||||
break;
|
||||
if (i == 7) {
|
||||
/* 7 bytes all 0 */
|
||||
return 0.0;
|
||||
}
|
||||
}
|
||||
|
||||
/* Value is other than 0 */
|
||||
ret_val = 0.0;
|
||||
for (i = 8; i < 64; i++) {
|
||||
current_byte = data[i/8];
|
||||
bit = i % 8;
|
||||
/* isolate bit */
|
||||
if ((current_byte & (0x80 >> bit)))
|
||||
ret_val += pow(2, ((double)(-i+7)));
|
||||
|
||||
}
|
||||
|
||||
/* Parse exponent and sign bit */
|
||||
exponent = (int)(data[0] & 0x7F);
|
||||
exponent -= 64;
|
||||
ret_val *= pow(16, exponent) * (sign_bit == true ? -1 : 1);
|
||||
|
||||
return ret_val;
|
||||
}
|
||||
|
||||
static signed int gds_convert_signed_int(char *data)
|
||||
{
|
||||
if (!data) {
|
||||
@ -82,6 +125,7 @@ static GList * append_library(GList *curr_list)
|
||||
lib->cells = NULL;
|
||||
lib->name[0] = 0;
|
||||
lib->unit_to_meters = 1; // Default. Will be overwritten
|
||||
lib->cell_names = NULL;
|
||||
} else
|
||||
return NULL;
|
||||
return g_list_append(curr_list, lib);
|
||||
@ -170,7 +214,7 @@ static int name_library(struct gds_library *current_library, unsigned int bytes,
|
||||
|
||||
}
|
||||
|
||||
static int name_cell(struct gds_cell *cell, unsigned int bytes, char* data) {
|
||||
static int name_cell(struct gds_cell *cell, unsigned int bytes, char* data, struct gds_library* lib) {
|
||||
int len;
|
||||
|
||||
if (cell == NULL)
|
||||
@ -186,12 +230,64 @@ static int name_cell(struct gds_cell *cell, unsigned int bytes, char* data) {
|
||||
} else {
|
||||
strcpy(cell->name, data);
|
||||
printf("Named cell: %s\n", cell->name);
|
||||
|
||||
/* Append cell name to lib's list of names */
|
||||
lib->cell_names = g_list_append(lib->cell_names, cell->name);
|
||||
|
||||
}
|
||||
|
||||
|
||||
return 0;
|
||||
|
||||
}
|
||||
|
||||
|
||||
void parse_reference_list(gpointer gcell_ref, gpointer glibrary)
|
||||
{
|
||||
struct gds_cell_instance *inst = (struct gds_cell_instance *)gcell_ref;
|
||||
struct gds_library *lib = (struct gds_library *)glibrary;
|
||||
GList *cell_item;
|
||||
struct gds_cell *cell;
|
||||
|
||||
printf("\t\t\tReference: %s: ", inst->ref_name);
|
||||
/* Find cell */
|
||||
for (cell_item = lib->cells; cell_item != NULL; cell_item = cell_item->next) {
|
||||
cell = (struct gds_cell *)cell_item->data;
|
||||
/* Check if cell is found */
|
||||
if (!strcmp(cell->name, inst->ref_name)) {
|
||||
printf("found\n");
|
||||
/* update reference link */
|
||||
inst->cell_ref = cell;
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
printf("MISSING!\n");
|
||||
GDS_WARN("referenced cell could not be found in library");
|
||||
|
||||
}
|
||||
|
||||
|
||||
void scan_cell_reference_dependencies(gpointer gcell, gpointer library)
|
||||
{
|
||||
struct gds_cell *cell = (struct gds_cell *)gcell;
|
||||
printf("\tScanning cell: %s\n", cell->name);
|
||||
|
||||
/* Scan all library references */
|
||||
g_list_foreach(cell->child_cells, parse_reference_list, library);
|
||||
|
||||
}
|
||||
|
||||
|
||||
void scan_library_references(gpointer library_list_item, gpointer user)
|
||||
{
|
||||
struct gds_library *lib = (struct gds_library *)library_list_item;
|
||||
|
||||
printf("Scanning Library: %s\n", lib->name);
|
||||
g_list_foreach(lib->cells, scan_cell_reference_dependencies, lib);
|
||||
}
|
||||
|
||||
|
||||
int parse_gds_from_file(const char *filename, GList **library_list)
|
||||
{
|
||||
char workbuff[1024];
|
||||
@ -208,6 +304,9 @@ int parse_gds_from_file(const char *filename, GList **library_list)
|
||||
struct gds_cell_instance *current_s_reference = NULL;
|
||||
////////////
|
||||
GList *lib_list;
|
||||
GList *lib_ptr;
|
||||
GList *cell_ptr;
|
||||
GList *cell_ref_ptr;
|
||||
|
||||
lib_list = *library_list;
|
||||
|
||||
@ -390,10 +489,10 @@ int parse_gds_from_file(const char *filename, GList **library_list)
|
||||
|
||||
break;
|
||||
case MAG:
|
||||
GDS_WARN("Magnification not yet supported");
|
||||
break;
|
||||
case ANGLE:
|
||||
break;
|
||||
case STRANS:
|
||||
|
||||
break;
|
||||
default:
|
||||
//GDS_WARN("Record: %04x, len: %u", (unsigned int)rec_type, (unsigned int)rec_data_length);
|
||||
@ -419,7 +518,7 @@ int parse_gds_from_file(const char *filename, GList **library_list)
|
||||
name_library(current_lib, read, workbuff);
|
||||
break;
|
||||
case STRNAME:
|
||||
name_cell(current_cell, read, workbuff);
|
||||
name_cell(current_cell, read, workbuff, current_lib);
|
||||
break;
|
||||
case XY:
|
||||
if (current_s_reference) {
|
||||
@ -449,15 +548,43 @@ int parse_gds_from_file(const char *filename, GList **library_list)
|
||||
break;
|
||||
case LAYER:
|
||||
if (!current_graphics) {
|
||||
GDS_WARN("Layer has to be defined inside graphics object. Probably unknown object.");
|
||||
GDS_WARN("Layer has to be defined inside graphics object. Probably unknown object. Implement it yourself!");
|
||||
break;
|
||||
}
|
||||
current_graphics->layer = gds_convert_signed_int16(workbuff);
|
||||
printf("\tAdded layer %d\n", (int)current_graphics->layer);
|
||||
printf("\t\tAdded layer %d\n", (int)current_graphics->layer);
|
||||
break;
|
||||
case MAG:
|
||||
if (rec_data_length != 8) {
|
||||
GDS_WARN("Magnification is not an 8 byte real. Results may be wrong");
|
||||
}
|
||||
if (current_graphics != NULL && current_s_reference != NULL) {
|
||||
GDS_ERROR("Open Graphics and Cell Reference\n\tMissing ENDEL?");
|
||||
run = -6;
|
||||
break;
|
||||
}
|
||||
if (current_s_reference != NULL) {
|
||||
current_s_reference->magnification = gds_convert_double(workbuff);
|
||||
printf("\t\tMagnification defined: %lf\n", current_s_reference->magnification);
|
||||
}
|
||||
break;
|
||||
case ANGLE:
|
||||
if (rec_data_length != 8) {
|
||||
GDS_WARN("Angle is not an 8 byte real. Results may be wrong");
|
||||
}
|
||||
if (current_graphics != NULL && current_s_reference != NULL) {
|
||||
GDS_ERROR("Open Graphics and Cell Reference\n\tMissing ENDEL?");
|
||||
run = -6;
|
||||
break;
|
||||
}
|
||||
if (current_s_reference != NULL) {
|
||||
current_s_reference->angle = gds_convert_double(workbuff);
|
||||
printf("\t\tAngle defined: %lf\n", current_s_reference->angle);
|
||||
}
|
||||
break;
|
||||
|
||||
}
|
||||
break;
|
||||
break; /* PARSING_DAT */
|
||||
|
||||
}
|
||||
}
|
||||
@ -466,8 +593,7 @@ int parse_gds_from_file(const char *filename, GList **library_list)
|
||||
|
||||
|
||||
/* Iterate and find references to cells */
|
||||
// TODO
|
||||
|
||||
g_list_foreach(lib_list, scan_library_references, NULL);
|
||||
|
||||
*library_list = lib_list;
|
||||
return run;
|
||||
|
||||
@ -52,6 +52,7 @@ struct gds_library {
|
||||
struct gds_time_field time;
|
||||
double unit_to_meters;
|
||||
GList *cells;
|
||||
GList *cell_names;
|
||||
};
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user