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Internals: Move iterators to AstNVisitor to avoid null this.

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This commit is contained in:
Wilson Snyder
2018-05-10 20:55:37 -04:00
parent 489f58011b
commit 05db8ce6c8
71 changed files with 1145 additions and 1099 deletions
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src/V3Cast.cpp
+7 -7
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@@ -108,19 +108,19 @@ private:
// VISITORS
virtual void visit(AstNodeUniop* nodep) {
nodep->iterateChildren(*this);
iterateChildren(nodep);
nodep->user1(nodep->lhsp()->user1());
if (nodep->sizeMattersLhs()) insureCast(nodep->lhsp());
}
virtual void visit(AstNodeBiop* nodep) {
nodep->iterateChildren(*this);
iterateChildren(nodep);
nodep->user1(nodep->lhsp()->user1()
| nodep->rhsp()->user1());
if (nodep->sizeMattersLhs()) insureCast(nodep->lhsp());
if (nodep->sizeMattersRhs()) insureCast(nodep->rhsp());
}
virtual void visit(AstNodeTriop* nodep) {
nodep->iterateChildren(*this);
iterateChildren(nodep);
nodep->user1(nodep->lhsp()->user1()
| nodep->rhsp()->user1()
| nodep->thsp()->user1());
@@ -129,12 +129,12 @@ private:
if (nodep->sizeMattersThs()) insureCast(nodep->thsp());
}
virtual void visit(AstCCast* nodep) {
nodep->iterateChildren(*this);
iterateChildren(nodep);
insureLower32Cast(nodep);
nodep->user1(1);
}
virtual void visit(AstNegate* nodep) {
nodep->iterateChildren(*this);
iterateChildren(nodep);
nodep->user1(nodep->lhsp()->user1());
if (nodep->lhsp()->widthMin()==1) {
// We want to avoid a GCC "converting of negative value" warning
@@ -171,13 +171,13 @@ private:
//--------------------
// Default: Just iterate
virtual void visit(AstNode* nodep) {
nodep->iterateChildren(*this);
iterateChildren(nodep);
}
public:
// CONSTUCTORS
explicit CastVisitor(AstNetlist* nodep) {
nodep->accept(*this);
iterate(nodep);
}
virtual ~CastVisitor() {}
};