Program Listing for File IfDirectiveExtractor.hh

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#if !defined(INC_CPREPROC_IFDIRECTIVEEXTRACTOR_HH)
#define INC_CPREPROC_IFDIRECTIVEEXTRACTOR_HH

#include <stack>
#include <PrePostTraversal.hh>
#include <If.hh>

namespace CPreproc
{
  class IfDirectiveExtractor : public ASTtools::PrePostTraversal
  {
  public:
    IfDirectiveExtractor (Ifs_t& ifs);
    virtual void visitTopDown (SgNode* n);
    virtual void visitBottomUp (SgNode* n);

  protected:

    const If::Case* getCurrentContext (void) const;
    If::Case* getCurrentContext (void);

  private:
    Ifs_t& ifs_;

    std::stack<If *> pending_;

    void validateNonEmptyStack (const PreprocessingInfo* info,
                                const SgLocatedNode* node) const;

    void visit (SgNode* n, bool isTopDown);

    void handleCase (PreprocessingInfo* info, SgLocatedNode* node);

    void newIf (PreprocessingInfo* info, SgLocatedNode* node);

    void addCase (PreprocessingInfo* info, SgLocatedNode* node);

    static void checkLastCaseNotEndif (const If* i);
  }; // class IfDirectiveExtractor
} // namespace CPreproc

#endif // !defined(INC_CPREPROC_IFDIRECTIVEEXTRACTOR_HH)

// eof