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add some comments in break_wires_at_pins()

This commit is contained in:
stefan schippers 2023-06-10 09:04:13 +02:00
parent c46ffd043f
commit 0c9bdba37f
1 changed files with 8 additions and 4 deletions
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12
src/check.c
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@ -386,10 +386,9 @@ void break_wires_at_pins(void)
int changed=0;
hash_wires();
/* xctx->need_reb_sel_arr=1; */ /* seems not needed */
rebuild_selected_array();
/* for(k=0;k<xctx->instances; ++k) */
/* break wires that touch selected instance pins */
for(j=0;j<xctx->lastsel; ++j) if(xctx->sel_array[j].type==ELEMENT) {
k = xctx->sel_array[j].n;
if( (rects = (xctx->inst[k].ptr+ xctx->sym)->rects[PINLAYER]) > 0 )
@ -397,6 +396,7 @@ void break_wires_at_pins(void)
for(r=0;r<rects;r++)
{
get_inst_pin_coord(k, r, &x0, &y0);
dbg(1, "break_wires_at_pins(): processing pin %g %g\n", x0, y0);
get_square(x0, y0, &sqx, &sqy);
for(wptr=xctx->wire_spatial_table[sqx][sqy]; wptr; wptr=wptr->next) {
i = wptr->n;
@ -405,6 +405,8 @@ void break_wires_at_pins(void)
{
if( (x0!=xctx->wire[i].x1 && x0!=xctx->wire[i].x2) ||
(y0!=xctx->wire[i].y1 && y0!=xctx->wire[i].y2) ) {
dbg(1, "break_wires_at_pins(): processing wire %d: %g %g %g %g\n",
i, xctx->wire[i].x1, xctx->wire[i].y1, xctx->wire[i].x2, xctx->wire[i].y2);
if(!changed) { xctx->push_undo(); changed=1;}
check_wire_storage();
xctx->wire[xctx->wires].x1=xctx->wire[i].x1;
@ -420,6 +422,9 @@ void break_wires_at_pins(void)
xctx->wire[xctx->wires].bus=0;
xctx->wire[xctx->wires].node=NULL;
hash_wire(XINSERT, xctx->wires, 0); /* insertion happens at beginning of list */
dbg(1, "break_wires_at_pins(): hashing new wire %d: %g %g %g %g\n",
xctx->wires, xctx->wire[xctx->wires].x1, xctx->wire[xctx->wires].y1,
xctx->wire[xctx->wires].x2, xctx->wire[xctx->wires].y2);
my_strdup(_ALLOC_ID_, &xctx->wire[xctx->wires].node, xctx->wire[i].node);
xctx->need_reb_sel_arr=1;
xctx->wires++;
@ -431,8 +436,7 @@ void break_wires_at_pins(void)
}
}
}
/* xctx->prep_hash_wires=0; */
/* hash_wires(); */
/* break wires that touch selected wires */
rebuild_selected_array();
for(j=0;j<xctx->lastsel; ++j) if(xctx->sel_array[j].type==WIRE) {
/* for(k=0; k < xctx->wires; ++k) { */