//
//===----------------------------------------------------------------------===//
-#include "llvm/ValueHolderImpl.h"
+#include "llvm/Function.h"
#include "llvm/DerivedTypes.h"
-#include "llvm/SymbolTable.h"
#include "llvm/Module.h"
-#include "llvm/Function.h"
#include "llvm/GlobalVariable.h"
#include "llvm/BasicBlock.h"
#include "llvm/iOther.h"
+#include "llvm/Argument.h"
+#include "SymbolTableListTraitsImpl.h"
+
+iplist<BasicBlock> &ilist_traits<BasicBlock>::getList(Function *F) {
+ return F->getBasicBlockList();
+}
+
+Argument *ilist_traits<Argument>::createNode() {
+ return new Argument(Type::IntTy);
+}
+
+iplist<Argument> &ilist_traits<Argument>::getList(Function *F) {
+ return F->getArgumentList();
+}
+
+// Explicit instantiations of SymbolTableListTraits since some of the methods
+// are not in the public header file...
+template SymbolTableListTraits<Argument, Function, Function>;
+template SymbolTableListTraits<BasicBlock, Function, Function>;
//===----------------------------------------------------------------------===//
-// Function Implementation
+// Argument Implementation
//===----------------------------------------------------------------------===//
+// Specialize setName to take care of symbol table majik
+void Argument::setName(const std::string &name, SymbolTable *ST) {
+ Function *P;
+ assert((ST == 0 || (!getParent() || ST == getParent()->getSymbolTable())) &&
+ "Invalid symtab argument!");
+ if ((P = getParent()) && hasName()) P->getSymbolTable()->remove(this);
+ Value::setName(name);
+ if (P && hasName()) P->getSymbolTable()->insert(this);
+}
+
+//===----------------------------------------------------------------------===//
+// Function Implementation
+//===----------------------------------------------------------------------===//
-// Instantiate Templates - This ugliness is the price we have to pay
-// for having a ValueHolderImpl.h file seperate from ValueHolder.h! :(
-//
-template class ValueHolder<FunctionArgument, Function, Function>;
-template class ValueHolder<BasicBlock , Function, Function>;
Function::Function(const FunctionType *Ty, bool isInternal,
const std::string &name)
- : GlobalValue(PointerType::get(Ty), Value::FunctionVal, isInternal, name),
- SymTabValue(this), BasicBlocks(this), ArgumentList(this, this) {
+ : GlobalValue(PointerType::get(Ty), Value::FunctionVal, isInternal, name) {
+ BasicBlocks.setItemParent(this);
+ BasicBlocks.setParent(this);
+ ArgumentList.setItemParent(this);
+ ArgumentList.setParent(this);
+ ParentSymTab = SymTab = 0;
}
Function::~Function() {
dropAllReferences(); // After this it is safe to delete instructions.
- // TODO: Should remove from the end, not the beginning of vector!
- iterator BI = begin();
- while ((BI = begin()) != end())
- delete BasicBlocks.remove(BI);
+ BasicBlocks.clear(); // Delete all basic blocks...
// Delete all of the method arguments and unlink from symbol table...
- ArgumentList.delete_all();
+ ArgumentList.clear();
ArgumentList.setParent(0);
+ delete SymTab;
}
// Specialize setName to take care of symbol table majik
Parent = parent;
// Relink symbol tables together...
- setParentSymTab(Parent ? Parent->getSymbolTableSure() : 0);
+ ParentSymTab = Parent ? Parent->getSymbolTableSure() : 0;
+ if (SymTab) SymTab->setParentSymTab(ParentSymTab);
}
const FunctionType *Function::getFunctionType() const {
return getFunctionType()->getReturnType();
}
+SymbolTable *Function::getSymbolTableSure() {
+ if (!SymTab) SymTab = new SymbolTable(ParentSymTab);
+ return SymTab;
+}
+
+// hasSymbolTable() - Returns true if there is a symbol table allocated to
+// this object AND if there is at least one name in it!
+//
+bool Function::hasSymbolTable() const {
+ if (!SymTab) return false;
+
+ for (SymbolTable::const_iterator I = SymTab->begin();
+ I != SymTab->end(); ++I) {
+ if (I->second.begin() != I->second.end())
+ return true; // Found nonempty type plane!
+ }
+
+ return false;
+}
+
+
// dropAllReferences() - This function causes all the subinstructions to "let
// go" of all references that they are maintaining. This allows one to
// 'delete' a whole class at a time, even though there may be circular
// delete.
//
void Function::dropAllReferences() {
- for_each(begin(), end(), std::mem_fun(&BasicBlock::dropAllReferences));
+ for (iterator I = begin(), E = end(); I != E; ++I)
+ I->dropAllReferences();
}
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
GlobalVariable::GlobalVariable(const Type *Ty, bool constant, bool isIntern,
- Constant *Initializer = 0,
- const std::string &Name = "")
+ Constant *Initializer,
+ const std::string &Name)
: GlobalValue(PointerType::get(Ty), Value::GlobalVariableVal, isIntern, Name),
isConstantGlobal(constant) {
if (Initializer) Operands.push_back(Use((Value*)Initializer, this));