From 009505452b713ed2e3a8e99c5545a6e721c65495 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 6 Jun 2001 20:29:01 +0000
Subject: Initial revision

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/VMCore/ValueHolderImpl.h | 85 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 lib/VMCore/ValueHolderImpl.h

(limited to 'lib/VMCore/ValueHolderImpl.h')

diff --git a/lib/VMCore/ValueHolderImpl.h b/lib/VMCore/ValueHolderImpl.h
new file mode 100644
index 0000000000..ecafd470f1
--- /dev/null
+++ b/lib/VMCore/ValueHolderImpl.h
@@ -0,0 +1,85 @@
+//===-- llvm/ValueHolderImpl.h - Implement ValueHolder template --*- C++ -*--=//
+//
+// This file implements the ValueHolder class.  This is kept out of line because
+// it tends to pull in a lot of dependencies on other headers and most files
+// don't need all that crud.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_VALUEHOLDER_IMPL_H
+#define LLVM_VALUEHOLDER_IMPL_H
+
+#include "llvm/ValueHolder.h"
+#include "llvm/SymbolTable.h"
+#include <algorithm>
+
+template<class ValueSubclass, class ItemParentType>
+void ValueHolder<ValueSubclass,ItemParentType>::setParent(SymTabValue *P) { 
+  if (Parent) {     // Remove all of the items from the old symbol table..
+    SymbolTable *SymTab = Parent->getSymbolTable();
+    for (iterator I = begin(); I != end(); I++)
+      if ((*I)->hasName()) SymTab->remove(*I);
+  }
+
+  Parent = P; 
+
+  if (Parent) {     // Remove all of the items from the old symbol table..
+    SymbolTable *SymTab = Parent->getSymbolTableSure();
+    for (iterator I = begin(); I != end(); I++)
+      if ((*I)->hasName()) SymTab->insert(*I);
+  }
+}
+
+
+template<class ValueSubclass, class ItemParentType>
+void ValueHolder<ValueSubclass,ItemParentType>::remove(ValueSubclass *D) {
+  iterator I(find(begin(), end(), D));
+  assert(I != end() && "Value not in ValueHolder!!");
+  remove(I);
+}
+
+// ValueHolder::remove(iterator &) this removes the element at the location specified
+// by the iterator, and leaves the iterator pointing to the element that used to follow
+// the element deleted.
+//
+template<class ValueSubclass, class ItemParentType>
+ValueSubclass *ValueHolder<ValueSubclass,ItemParentType>::remove(iterator &DI) {
+  assert(DI != ValueList.end() && 
+         "Trying to remove the end of the def list!!!");
+  
+  ValueSubclass *i = *DI;
+  DI = ValueList.erase(DI);
+
+  i->setParent(0);  // I don't own you anymore... byebye...
+  
+  // You don't get to be in the symbol table anymore... byebye
+  if (i->hasName() && Parent)
+    Parent->getSymbolTable()->remove(i);
+  
+  return i;
+}
+
+template<class ValueSubclass, class ItemParentType>
+void ValueHolder<ValueSubclass,ItemParentType>::push_front(ValueSubclass *Inst) {
+  assert(Inst->getParent() == 0 && "Value already has parent!");
+  Inst->setParent(ItemParent);
+
+  //ValueList.push_front(Inst);
+  ValueList.insert(ValueList.begin(), Inst);
+ 
+  if (Inst->hasName() && Parent)
+    Parent->getSymbolTableSure()->insert(Inst);
+}
+
+template<class ValueSubclass, class ItemParentType>
+void ValueHolder<ValueSubclass,ItemParentType>::push_back(ValueSubclass *Inst) {
+  assert(Inst->getParent() == 0 && "Value already has parent!");
+  Inst->setParent(ItemParent);
+
+  ValueList.push_back(Inst);
+  
+  if (Inst->hasName() && Parent)
+    Parent->getSymbolTableSure()->insert(Inst);
+}
+
+#endif
-- 
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