1 //===-- llvm/Module.h - C++ class to represent a VM module -------*- C++ -*--=//
3 // This file contains the declarations for the Module class that is used to
4 // maintain all the information related to a VM module.
6 //===----------------------------------------------------------------------===//
11 #include "llvm/Value.h"
12 #include "llvm/SymTabValue.h"
15 class Module : public Value, public SymTabValue {
17 typedef ValueHolder<Method, Module, Module> MethodListType;
19 // Method iterators...
20 typedef MethodListType::iterator iterator;
21 typedef MethodListType::const_iterator const_iterator;
22 typedef reverse_iterator<const_iterator> const_reverse_iterator;
23 typedef reverse_iterator<iterator> reverse_iterator;
25 MethodListType MethodList; // The Methods
31 // reduceApply - Apply the specified function to all of the methods in this
32 // module. The result values are or'd together and the result is returned.
34 bool reduceApply(bool (*Func)(Method*));
35 bool reduceApply(bool (*Func)(const Method*)) const;
38 // Get the underlying elements of the Module...
39 inline const MethodListType &getMethodList() const { return MethodList; }
40 inline MethodListType &getMethodList() { return MethodList; }
42 //===--------------------------------------------------------------------===//
43 // Module iterator forwarding functions
45 inline iterator begin() { return MethodList.begin(); }
46 inline const_iterator begin() const { return MethodList.begin(); }
47 inline iterator end () { return MethodList.end(); }
48 inline const_iterator end () const { return MethodList.end(); }
50 inline reverse_iterator rbegin() { return MethodList.rbegin(); }
51 inline const_reverse_iterator rbegin() const { return MethodList.rbegin(); }
52 inline reverse_iterator rend () { return MethodList.rend(); }
53 inline const_reverse_iterator rend () const { return MethodList.rend(); }
55 inline unsigned size() const { return MethodList.size(); }
56 inline bool empty() const { return MethodList.empty(); }
57 inline const Method *front() const { return MethodList.front(); }
58 inline Method *front() { return MethodList.front(); }
59 inline const Method *back() const { return MethodList.back(); }
60 inline Method *back() { return MethodList.back(); }
63 // dropAllReferences() - This function causes all the subinstructions to "let
64 // go" of all references that they are maintaining. This allows one to
65 // 'delete' a whole class at a time, even though there may be circular
66 // references... first all references are dropped, and all use counts go to
67 // zero. Then everything is delete'd for real. Note that no operations are
68 // valid on an object that has "dropped all references", except operator
71 void dropAllReferences();