| //===-- Module.cpp - Implement the Module class ------------------*- C++ -*--=// |
| // |
| // This file implements the Module class for the VMCore library. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/ValueHolderImpl.h" |
| #include "llvm/InstrTypes.h" |
| #include "llvm/BasicBlock.h" |
| #include "llvm/Method.h" |
| #include "llvm/Module.h" |
| |
| // Instantiate Templates - This ugliness is the price we have to pay |
| // for having a DefHolderImpl.h file seperate from DefHolder.h! :( |
| // |
| template class ValueHolder<Method, Module>; |
| |
| Module::Module() |
| : SymTabValue(0/*TODO: REAL TYPE*/, Value::ModuleVal, ""), |
| MethodList(this, this) { |
| } |
| |
| Module::~Module() { |
| dropAllReferences(); |
| MethodList.delete_all(); |
| MethodList.setParent(0); |
| } |
| |
| |
| // 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 |
| // references... first all references are dropped, and all use counts go to |
| // zero. Then everything is delete'd for real. Note that no operations are |
| // valid on an object that has "dropped all references", except operator |
| // delete. |
| // |
| void Module::dropAllReferences() { |
| MethodListType::iterator MI = MethodList.begin(); |
| for (; MI != MethodList.end(); MI++) |
| (*MI)->dropAllReferences(); |
| } |