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Internals: Last commit showed that V3LinkLevel is mostly redundant with V3LinkCells

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This commit is contained in:
Wilson Snyder 2008-12-09 21:05:47 -05:00
parent adebc99e49
commit a1e091cff7
1 changed files with 1 additions and 39 deletions
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40
src/V3LinkLevel.cpp
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@ -39,43 +39,6 @@
//######################################################################
// Levelizing class functions
class LinkLevelVisitor : public AstNVisitor {
private:
// STATE
AstModule* m_modp;
// VISITs
virtual void visit(AstModule* nodep, AstNUser*) {
m_modp = nodep;
nodep->iterateChildren(*this);
m_modp = NULL;
}
virtual void visit(AstCell* nodep, AstNUser*) {
// Track module depths, so can sort list from parent down to children
nodep->modp()->level(max(nodep->modp()->level(), (1+m_modp->level())));
UINFO(5," Under "<<m_modp<<" IS "<<nodep->modp()<<endl);
if (nodep->modp()->level()>99) nodep->v3error("Over 99 levels of cell hierarchy. Probably cell instantiates itself.");
// Recurse in, preserving state
AstModule* holdmodp = m_modp;
nodep->modp()->accept(*this);
m_modp = holdmodp;
}
// For speed, don't recurse things that can't have cells
// Must do statements to support Generates, math though...
virtual void visit(AstNodeMath* nodep, AstNUser*) {}
virtual void visit(AstNode* nodep, AstNUser*) {
// Default: Just iterate
nodep->iterateChildren(*this);
}
public:
// CONSTUCTORS
LinkLevelVisitor() {}
virtual ~LinkLevelVisitor() {}
void main(AstNetlist* rootp) {
rootp->accept(*this);
}
};
struct CmpLevel {
inline bool operator () (const AstModule* lhsp, const AstModule* rhsp) const {
return lhsp->level() < rhsp->level();
@ -101,8 +64,7 @@ void V3LinkLevel::modSortByLevel() {
}
}
LinkLevelVisitor visitor;
visitor.main(v3Global.rootp());
// level() was computed for us in V3LinkCells
vector<AstModule*> vec;
AstModule* topp = NULL;