ELIMINATE the SCC class completely. One less thing deriving from std::vector

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8272 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-08-31 19:55:31 +00:00
parent 729d73d425
commit ff8fc07890
2 changed files with 18 additions and 50 deletions

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@ -20,36 +20,20 @@
#include <vector>
#include <map>
//--------------------------------------------------------------------------
// class SCC - A simple representation of an SCC in a generic Graph.
//--------------------------------------------------------------------------
//===----------------------------------------------------------------------===//
///
/// TarjanSCC_iterator - Enumerate the SCCs of a directed graph, in
/// reverse topological order of the SCC DAG.
///
template<class GraphT, class GT = GraphTraits<GraphT> >
struct SCC : public std::vector<typename GT::NodeType*> {
typedef typename GT::NodeType NodeType;
class TarjanSCC_iterator
: public forward_iterator<std::vector<typename GT::NodeType>, ptrdiff_t> {
typedef typename GT::NodeType NodeType;
typedef typename GT::ChildIteratorType ChildItTy;
typedef std::vector<typename GT::NodeType*> super;
typedef typename super::iterator iterator;
typedef typename super::const_iterator const_iterator;
typedef typename super::reverse_iterator reverse_iterator;
typedef typename super::const_reverse_iterator const_reverse_iterator;
};
//--------------------------------------------------------------------------
// class TarjanSCC_iterator: Enumerate the SCCs of a directed graph, in
// reverse topological order of the SCC DAG.
//--------------------------------------------------------------------------
template<class GraphT, class GT = GraphTraits<GraphT> >
class TarjanSCC_iterator : public forward_iterator<SCC<GraphT, GT>, ptrdiff_t> {
typedef SCC<GraphT, GT> SccTy;
typedef std::vector<NodeType*> SccTy;
typedef forward_iterator<SccTy, ptrdiff_t> super;
typedef typename super::reference reference;
typedef typename super::pointer pointer;
typedef typename GT::NodeType NodeType;
typedef typename GT::ChildIteratorType ChildItTy;
// The visit counters used to detect when a complete SCC is on the stack.
// visitNum is the global counter.

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@ -20,36 +20,20 @@
#include <vector>
#include <map>
//--------------------------------------------------------------------------
// class SCC - A simple representation of an SCC in a generic Graph.
//--------------------------------------------------------------------------
//===----------------------------------------------------------------------===//
///
/// TarjanSCC_iterator - Enumerate the SCCs of a directed graph, in
/// reverse topological order of the SCC DAG.
///
template<class GraphT, class GT = GraphTraits<GraphT> >
struct SCC : public std::vector<typename GT::NodeType*> {
typedef typename GT::NodeType NodeType;
class TarjanSCC_iterator
: public forward_iterator<std::vector<typename GT::NodeType>, ptrdiff_t> {
typedef typename GT::NodeType NodeType;
typedef typename GT::ChildIteratorType ChildItTy;
typedef std::vector<typename GT::NodeType*> super;
typedef typename super::iterator iterator;
typedef typename super::const_iterator const_iterator;
typedef typename super::reverse_iterator reverse_iterator;
typedef typename super::const_reverse_iterator const_reverse_iterator;
};
//--------------------------------------------------------------------------
// class TarjanSCC_iterator: Enumerate the SCCs of a directed graph, in
// reverse topological order of the SCC DAG.
//--------------------------------------------------------------------------
template<class GraphT, class GT = GraphTraits<GraphT> >
class TarjanSCC_iterator : public forward_iterator<SCC<GraphT, GT>, ptrdiff_t> {
typedef SCC<GraphT, GT> SccTy;
typedef std::vector<NodeType*> SccTy;
typedef forward_iterator<SccTy, ptrdiff_t> super;
typedef typename super::reference reference;
typedef typename super::pointer pointer;
typedef typename GT::NodeType NodeType;
typedef typename GT::ChildIteratorType ChildItTy;
// The visit counters used to detect when a complete SCC is on the stack.
// visitNum is the global counter.