6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-01-02 07:32:52 +00:00
Code Issues Projects Releases Wiki Activity

really get this working with a custom allocator.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122722 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2011-01-03 01:38:29 +00:00
parent 61a10a0dc9
commit 4f20c6d354
1 changed files with 22 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
include/llvm/ADT/ScopedHashTable.h
View File

@ -40,7 +40,7 @@ template <typename K, typename V, typename KInfo = DenseMapInfo<K>,
typename AllocatorTy = MallocAllocator>
class ScopedHashTable;
template <typename K, typename V, typename KInfo = DenseMapInfo<K> >
template <typename K, typename V>
class ScopedHashTableVal {
ScopedHashTableVal *NextInScope;
ScopedHashTableVal *NextForKey;
@ -78,29 +78,30 @@ public:
}
};
template <typename K, typename V, typename KInfo = DenseMapInfo<K> >
template <typename K, typename V, typename KInfo = DenseMapInfo<K>,
typename AllocatorTy = MallocAllocator>
class ScopedHashTableScope {
/// HT - The hashtable that we are active for.
ScopedHashTable<K, V, KInfo> &HT;
ScopedHashTable<K, V, KInfo, AllocatorTy> &HT;
/// PrevScope - This is the scope that we are shadowing in HT.
ScopedHashTableScope *PrevScope;
/// LastValInScope - This is the last value that was inserted for this scope
/// or null if none have been inserted yet.
ScopedHashTableVal<K, V, KInfo> *LastValInScope;
ScopedHashTableVal<K, V> *LastValInScope;
void operator=(ScopedHashTableScope&); // DO NOT IMPLEMENT
ScopedHashTableScope(ScopedHashTableScope&); // DO NOT IMPLEMENT
public:
ScopedHashTableScope(ScopedHashTable<K, V, KInfo> &HT);
ScopedHashTableScope(ScopedHashTable<K, V, KInfo, AllocatorTy> &HT);
~ScopedHashTableScope();
private:
friend class ScopedHashTable<K, V, KInfo>;
ScopedHashTableVal<K, V, KInfo> *getLastValInScope() {
friend class ScopedHashTable<K, V, KInfo, AllocatorTy>;
ScopedHashTableVal<K, V> *getLastValInScope() {
return LastValInScope;
}
void setLastValInScope(ScopedHashTableVal<K, V, KInfo> *Val) {
void setLastValInScope(ScopedHashTableVal<K, V> *Val) {
LastValInScope = Val;
}
};
@ -108,9 +109,9 @@ private:
template <typename K, typename V, typename KInfo = DenseMapInfo<K> >
class ScopedHashTableIterator {
ScopedHashTableVal<K, V, KInfo> *Node;
ScopedHashTableVal<K, V> *Node;
public:
ScopedHashTableIterator(ScopedHashTableVal<K, V, KInfo> *node) : Node(node) {}
ScopedHashTableIterator(ScopedHashTableVal<K, V> *node) : Node(node) {}
V &operator*() const {
assert(Node && "Dereference end()");
@ -140,15 +141,15 @@ public:
template <typename K, typename V, typename KInfo, typename AllocatorTy>
class ScopedHashTable {
typedef ScopedHashTableVal<K, V, KInfo> ValTy;
typedef ScopedHashTableVal<K, V> ValTy;
DenseMap<K, ValTy*, KInfo> TopLevelMap;
ScopedHashTableScope<K, V, KInfo> *CurScope;
ScopedHashTableScope<K, V, KInfo, AllocatorTy> *CurScope;
AllocatorTy Allocator;
ScopedHashTable(const ScopedHashTable&); // NOT YET IMPLEMENTED
void operator=(const ScopedHashTable&); // NOT YET IMPLEMENTED
friend class ScopedHashTableScope<K, V, KInfo>;
friend class ScopedHashTableScope<K, V, KInfo, AllocatorTy>;
public:
ScopedHashTable() : CurScope(0) {}
ScopedHashTable(AllocatorTy A) : CurScope(0), Allocator(A) {}
@ -176,7 +177,7 @@ public:
void insert(const K &Key, const V &Val) {
assert(CurScope && "No scope active!");
ScopedHashTableVal<K, V, KInfo> *&KeyEntry = TopLevelMap[Key];
ScopedHashTableVal<K, V> *&KeyEntry = TopLevelMap[Key];
KeyEntry = ValTy::Create(CurScope->getLastValInScope(), KeyEntry, Key, Val,
Allocator);
@ -197,29 +198,28 @@ public:
/// ScopedHashTableScope ctor - Install this as the current scope for the hash
/// table.
template <typename K, typename V, typename KInfo>
ScopedHashTableScope<K, V, KInfo>::
ScopedHashTableScope(ScopedHashTable<K, V, KInfo> &ht) : HT(ht) {
template <typename K, typename V, typename KInfo, typename Allocator>
ScopedHashTableScope<K, V, KInfo, Allocator>::
ScopedHashTableScope(ScopedHashTable<K, V, KInfo, Allocator> &ht) : HT(ht) {
PrevScope = HT.CurScope;
HT.CurScope = this;
LastValInScope = 0;
}
template <typename K, typename V, typename KInfo>
ScopedHashTableScope<K, V, KInfo>::~ScopedHashTableScope() {
template <typename K, typename V, typename KInfo, typename Allocator>
ScopedHashTableScope<K, V, KInfo, Allocator>::~ScopedHashTableScope() {
assert(HT.CurScope == this && "Scope imbalance!");
HT.CurScope = PrevScope;
// Pop and delete all values corresponding to this scope.
while (ScopedHashTableVal<K, V, KInfo> *ThisEntry = LastValInScope) {
while (ScopedHashTableVal<K, V> *ThisEntry = LastValInScope) {
// Pop this value out of the TopLevelMap.
if (ThisEntry->getNextForKey() == 0) {
assert(HT.TopLevelMap[ThisEntry->getKey()] == ThisEntry &&
"Scope imbalance!");
HT.TopLevelMap.erase(ThisEntry->getKey());
} else {
ScopedHashTableVal<K, V, KInfo> *&KeyEntry =
HT.TopLevelMap[ThisEntry->getKey()];
ScopedHashTableVal<K, V> *&KeyEntry = HT.TopLevelMap[ThisEntry->getKey()];
assert(KeyEntry == ThisEntry && "Scope imbalance!");
KeyEntry = ThisEntry->getNextForKey();
}