mhu/gds-render
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parser almost finished

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This commit is contained in:
Mario Hüttel 2018-05-07 17:36:14 +02:00
parent f20a59eb30
commit 1a46313d1b
2 changed files with 132 additions and 4 deletions
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134
gdsparse.c
View File

@ -3,8 +3,8 @@
#include <stdio.h>
#include <string.h>
#define GDS_ERROR(fmt, ...) printf("[PARSE_ERROR] " fmt "\n", #__VA_ARGS__)
#define GDS_WARN(fmt, ...) printf("[PARSE_WARNING] " fmt "\n", #__VA_ARGS__)
#define GDS_ERROR(fmt, ...) printf("[PARSE_ERROR] " fmt "\n",## __VA_ARGS__)
#define GDS_WARN(fmt, ...) printf("[PARSE_WARNING] " fmt "\n",## __VA_ARGS__)
enum parsing_state {PARSING_LENGTH = 0, PARSING_TYPE, PARSING_DAT};
enum record {
INVALID = 0x0000,
@ -19,9 +19,60 @@ enum record {
BOUNDARY = 0x0800,
PATH = 0x0900,
SREF = 0x0A00,
ENDEL = 0x1100
ENDEL = 0x1100,
XY = 0x1003,
MAG = 0x1B05,
ANGLE = 0x1C05,
SNAME = 0x1206,
STRANS = 0x1A01,
BOX = 0x2D00,
LAYER = 0x0D02,
};
static int name_cell_ref(struct gds_cell_instance *cell_inst, unsigned int bytes, char* data) {
int len;
if (cell_inst == NULL)
{
GDS_ERROR("Naming cell ref with no opened cell ref");
return -1;
}
data[bytes] = 0; // Append '0'
len = strlen(data);
if (len > CELL_NAME_MAX-1) {
GDS_ERROR("Cell name '%s' too long: %d\n", data, len);
return -1;
} else {
strcpy(cell_inst->ref_name, data);
printf("\tCell referenced: %s\n", cell_inst->ref_name);
}
return 0;
}
static signed int gds_convert_signed_int(char *data)
{
if (!data) {
GDS_ERROR("This should not happen");
return 0;
}
return (signed int)((((int)(data[0])) << 24) |
(((int)(data[1])) << 16) |
(((int)(data[2])) << 8) |
(((int)(data[3])) << 0));
}
static int16_t gds_convert_signed_int16(char *data)
{
if (!data) {
GDS_ERROR("This should not happen");
return 0;
}
return (int16_t)((((int16_t)(data[0])) << 8) |
(((int16_t)(data[1])) << 0));
}
static GList * append_library(GList *curr_list)
{
struct gds_library *lib;
@ -53,6 +104,18 @@ static GList * append_graphics(GList *curr_list, enum graphics_type type)
}
static GList * append_vertex(GList *curr_list, int x, int y)
{
struct gds_point *vertex;
vertex = (struct gds_point *)malloc(sizeof(struct gds_point));
if (vertex) {
vertex->x = x;
vertex->y = y;
} else
return NULL;
return g_list_append(curr_list, vertex);
}
static GList * append_cell(GList *curr_list)
{
struct gds_cell *cell;
@ -76,6 +139,9 @@ static GList * append_cell_ref(GList *curr_list)
if (inst) {
inst->cell_ref = NULL;
inst->ref_name[0] = 0;
inst->magnification = 1;
inst->flipped = 0;
inst->angle = 0;
} else
return NULL;
@ -130,6 +196,7 @@ int parse_gds_from_file(const char *filename, GList **library_list)
{
char workbuff[1024];
int read;
int i;
int run = 1;
FILE *gds_file = NULL;
uint16_t rec_data_length;
@ -254,6 +321,7 @@ int parse_gds_from_file(const char *filename, GList **library_list)
current_cell = NULL;
printf("Leaving Cell\n");
break;
//case BOX:
case BOUNDARY:
if (current_cell == NULL) {
GDS_ERROR("Boundary outside of cell");
@ -282,6 +350,8 @@ int parse_gds_from_file(const char *filename, GList **library_list)
break;
}
current_s_reference = (struct gds_cell_instance *) g_list_last(current_cell->child_cells)->data;
printf("\tEntering reference\n");
break;
case PATH:
if (current_cell == NULL) {
@ -304,11 +374,34 @@ int parse_gds_from_file(const char *filename, GList **library_list)
printf("\tLeaving %s\n", (current_graphics->type == GRAPHIC_POLYGON ? "boundary" : "path"));
current_graphics = NULL;
}
if (current_s_reference != NULL) {
printf("\tLeaving Reference\n");
current_s_reference = NULL;
}
break;
case XY:
if (current_graphics) {
} else if (current_s_reference) {
if (rec_data_length != 8) {
GDS_WARN("Instance has weird coordinates. Rendered output might be screwed!");
}
}
break;
case MAG:
GDS_WARN("Magnification not yet supported");
break;
case STRANS:
break;
default:
//GDS_WARN("Record: %04x, len: %u", (unsigned int)rec_type, (unsigned int)rec_data_length);
break;
}
break;
case PARSING_DAT:
read = fread(workbuff, sizeof(char), rec_data_length, gds_file);
state = PARSING_LENGTH;
@ -328,6 +421,40 @@ int parse_gds_from_file(const char *filename, GList **library_list)
case STRNAME:
name_cell(current_cell, read, workbuff);
break;
case XY:
if (current_s_reference) {
/* Get origin of reference */
current_s_reference->origin.x = gds_convert_signed_int(workbuff);
current_s_reference->origin.y = gds_convert_signed_int(&workbuff[4]);
} else if (current_graphics) {
for (i = 0; i < read/8; i++) {
// printf("coords: %d/%d", gds_convert_signed_int(&workbuff[i*8]), gds_convert_signed_int(&workbuff[i*8+4]));
current_graphics->vertices = append_vertex(current_graphics->vertices,
gds_convert_signed_int(&workbuff[i*8]),
gds_convert_signed_int(&workbuff[i*8]));
}
}
break;
case STRANS:
if (!current_s_reference) {
GDS_ERROR("Transformation defined outside of instance");
break;
}
current_s_reference->flipped = ((workbuff[0] & 0x80) ? 1 : 0);
break;
case SNAME:
name_cell_ref(current_s_reference, read, workbuff);
break;
case LAYER:
if (!current_graphics) {
GDS_WARN("Layer has to be defined inside graphics object. Probably unknown object.");
break;
}
current_graphics->layer = gds_convert_signed_int16(workbuff);
printf("\tAdded layer %d\n", (int)current_graphics->layer);
break;
}
break;
@ -339,6 +466,7 @@ int parse_gds_from_file(const char *filename, GList **library_list)
/* Iterate and find references to cells */
// TODO
*library_list = lib_list;

2
gdsparse.h
View File

@ -26,7 +26,7 @@ struct gds_graphics {
GList *vertices;
unsigned int path_width;
int width_absolute;
uint16_t layer;
int16_t layer;
uint16_t datatype;
};