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Internals: Fix cppcheck warnings; add VL_DANGLING. No functional change.

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This commit is contained in:
Wilson Snyder
2015-10-04 13:16:35 -04:00
parent 5de83c9805
commit 4fc9a906f6
52 changed files with 410 additions and 413 deletions
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src/V3Tristate.cpp
+6 -6
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@@ -612,7 +612,7 @@ class TristateVisitor : public TristateBaseVisitor {
new AstConst(invarp->fileline(), pull));
orp = new AstOr(invarp->fileline(), orp, undrivenp);
} else {
undrivenp->deleteTree(); undrivenp=NULL;
undrivenp->deleteTree(); VL_DANGLING(undrivenp);
}
if (envarp) {
nodep->addStmtp(new AstAssignW(enp->fileline(),
@@ -651,7 +651,7 @@ class TristateVisitor : public TristateBaseVisitor {
AstNode* newp = new AstVarRef(nodep->fileline(), varp, true);
UINFO(9," const->"<<newp<<endl);
nodep->replaceWith(newp);
pushDeletep(nodep); nodep = NULL;
pushDeletep(nodep); VL_DANGLING(nodep);
}
else if (m_tgraph.isTristate(nodep)) {
m_tgraph.didProcess(nodep);
@@ -662,7 +662,7 @@ class TristateVisitor : public TristateBaseVisitor {
AstConst* newconstp = new AstConst(fl, num1);
AstConst* enp = new AstConst(fl, numz0);
nodep->replaceWith(newconstp);
pushDeletep(nodep); nodep = NULL;
pushDeletep(nodep); VL_DANGLING(nodep);
newconstp->user1p(enp); // propagate up constant with non-Z bits as 1
}
}
@@ -818,7 +818,7 @@ class TristateVisitor : public TristateBaseVisitor {
nodep->replaceWith(expr2p);
UINFO(9," bufif datap="<<expr2p<<endl);
UINFO(9," bufif enp="<<enp<<endl);
pushDeletep(nodep); nodep = NULL;
pushDeletep(nodep); VL_DANGLING(nodep);
}
}
@@ -950,7 +950,7 @@ class TristateVisitor : public TristateBaseVisitor {
if (debug()>=9) nodep->dumpTree(cout,"-caseeq-old: ");
if (debug()>=9) newp->dumpTree(cout,"-caseeq-new: ");
nodep->replaceWith(newp);
pushDeletep(nodep); nodep=NULL;
pushDeletep(nodep); VL_DANGLING(nodep);
} else {
checkUnhandled(nodep);
}
@@ -1006,7 +1006,7 @@ class TristateVisitor : public TristateBaseVisitor {
nodep->v3error("Unsupported pullup/down (weak driver) construct.");
}
nodep->unlinkFrBack();
pushDeletep(nodep); nodep = NULL; // Node must persist as user3p points to it
pushDeletep(nodep); VL_DANGLING(nodep); // Node must persist as user3p points to it
}
}