luke/verilator
1
0
Fork 0
mirror of https://github.com/verilator/verilator.git synced 2026-10-06 01:54:01 +02:00
Code Issues Packages Projects Releases Wiki Activity

Internals: Create AstNodeSelItem in prep for future commits.

Browse Source 
No real functional change, outside of minor debug dump differences.
This commit is contained in:
Wilson Snyder
2008-11-20 07:55:54 -05:00
parent ab668b066f
commit ddbfc176b6
15 changed files with 186 additions and 153 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/V3Active.cpp
+20 -13
View File
@@ -255,7 +255,10 @@ private:
nodep->unlinkFrBack()->deleteTree(); nodep=NULL;
return;
}
if (nodep->sensesp() && nodep->sensesp()->sensesp() && nodep->sensesp()->sensesp()->isNever()) {
if (nodep->sensesp()
&& nodep->sensesp()->sensesp()
&& nodep->sensesp()->sensesp()->castSenItem()
&& nodep->sensesp()->sensesp()->castSenItem()->isNever()) {
// Never executing. Kill it.
if (nodep->sensesp()->sensesp()->nextp()) nodep->v3fatalSrc("Never senitem should be alone, else the never should be eliminated.");
nodep->unlinkFrBack()->deleteTree(); nodep=NULL;
@@ -266,18 +269,22 @@ private:
bool combo = false;
bool sequent = false;
if (nodep->sensesp()) {
for (AstSenItem* nextp, *senp = nodep->sensesp()->sensesp(); senp; senp=nextp) {
nextp = senp->nextp()->castSenItem();
if (senp->edgeType() == AstEdgeType::ANYEDGE) {
combo = true;
// Delete the sensitivity
// We'll add it as a generic COMBO SenItem in a moment.
senp->unlinkFrBack()->deleteTree(); senp=NULL;
} else if (senp->varrefp()) {
if (senp->varrefp()->width()>1) senp->v3error("Unsupported: Non-single bit wide signal pos/negedge sensitivity: "
<<senp->varrefp()->prettyName());
sequent = true;
senp->varrefp()->varp()->usedClock(true);
for (AstNodeSenItem* nextp, *senp = nodep->sensesp()->sensesp(); senp; senp=nextp) {
nextp = senp->nextp()->castNodeSenItem();
if (AstSenItem* itemp = senp->castSenItem()) {
if (itemp->edgeType() == AstEdgeType::ANYEDGE) {
combo = true;
// Delete the sensitivity
// We'll add it as a generic COMBO SenItem in a moment.
itemp->unlinkFrBack()->deleteTree(); itemp=NULL; senp=NULL;
} else if (itemp->varrefp()) {
if (itemp->varrefp()->width()>1) itemp->v3error("Unsupported: Non-single bit wide signal pos/negedge sensitivity: "
<<itemp->varrefp()->prettyName());
sequent = true;
itemp->varrefp()->varp()->usedClock(true);
}
} else {
senp->v3fatalSrc("Strange node under sentree");
}
}
}