contrib/llvm/tools/clang/include/clang/Analysis/Analyses/UninitializedValues.h

   1 //= UninitializedValues.h - Finding uses of uninitialized values --*- C++ -*-==//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file defines APIs for invoking and reported uninitialized values
  11 // warnings.
  12 //
  13 //===----------------------------------------------------------------------===//
  14
  15 #ifndef LLVM_CLANG_UNINIT_VALS_H
  16 #define LLVM_CLANG_UNINIT_VALS_H
  17
  18 namespace clang {
  19
  20 class AnalysisContext;
  21 class CFG;
  22 class DeclContext;
  23 class Expr;
  24 class VarDecl;
  25
  26 class UninitVariablesHandler {
  27 public:
  28   UninitVariablesHandler() {}
  29   virtual ~UninitVariablesHandler();
  30
  31   virtual void handleUseOfUninitVariable(const Expr *ex,
  32                                          const VarDecl *vd,
  33                                          bool isAlwaysUninit) {}
  34 };
  35
  36 struct UninitVariablesAnalysisStats {
  37   unsigned NumVariablesAnalyzed;
  38   unsigned NumBlockVisits;
  39 };
  40
  41 void runUninitializedVariablesAnalysis(const DeclContext &dc, const CFG &cfg,
  42                                        AnalysisContext &ac,
  43                                        UninitVariablesHandler &handler,
  44                                        UninitVariablesAnalysisStats &stats);
  45
  46 }
  47 #endif