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Fix leak issues, bug521

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This commit is contained in:
Wilson Snyder
2012-05-30 23:17:55 -04:00
parent 4cc5943f90
commit 1b439703ff
7 changed files with 37 additions and 26 deletions
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src/V3WidthSel.cpp
+5 -1
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@@ -235,6 +235,7 @@ private:
// How to recover? We'll strip a dimension.
nodep->replaceWith(fromp); pushDeletep(nodep); nodep=NULL;
}
if (!bitp->backp()) pushDeletep(bitp); bitp=NULL;
}
virtual void visit(AstSelExtract* nodep, AstNUser*) {
@@ -285,13 +286,16 @@ private:
UINFO(6," new "<<newp<<endl);
//if (debug()>=9) newp->dumpTree(cout,"--SLEXnew: ");
nodep->replaceWith(newp); pushDeletep(nodep); nodep=NULL;
pushDeletep(msbp); msbp=NULL;
}
else { // NULL=bad extract, or unknown node type
nodep->v3error("Illegal range select; variable already selected, or bad dimension");
// How to recover? We'll strip a dimension.
nodep->replaceWith(fromp); pushDeletep(nodep); nodep=NULL;
}
// delete whataver we didn't use in reconstruction
if (!fromp->backp()) pushDeletep(fromp); fromp=NULL;
if (!msbp->backp()) pushDeletep(msbp); msbp=NULL;
if (!lsbp->backp()) pushDeletep(lsbp); lsbp=NULL;
}
void replaceSelPlusMinus(AstNodePreSel* nodep) {