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//===- PreprocessorTracker.h - Tracks preprocessor activities -*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===--------------------------------------------------------------------===//
///
/// \file
/// \brief Track preprocessor activities for modularize.
///
//===--------------------------------------------------------------------===//
#ifndef MODULARIZE_PREPROCESSOR_TRACKER_H
#define MODULARIZE_PREPROCESSOR_TRACKER_H
#include "clang/Lex/Preprocessor.h"
namespace Modularize {
// Preprocessor tracker for modularize.
//
// This class stores information about all the headers processed in the
// course of running modularize.
class PreprocessorTracker {
public:
virtual ~PreprocessorTracker();
// Handle entering a preprocessing session.
// (Called after a Preprocessor object is created, but before preprocessing.)
virtual void handlePreprocessorEntry(clang::Preprocessor &PP,
llvm::StringRef RootHeaderFile) = 0;
// Handle exiting a preprocessing session.
// (Called after preprocessing is complete, but before the Preprocessor
// object is destroyed.)
virtual void handlePreprocessorExit() = 0;
// Report on inconsistent macro instances.
// Returns true if any mismatches.
virtual bool reportInconsistentMacros(llvm::raw_ostream &OS) = 0;
// Report on inconsistent conditional directive instances.
// Returns true if any mismatches.
virtual bool reportInconsistentConditionals(llvm::raw_ostream &OS) = 0;
// Create instance of PreprocessorTracker.
static PreprocessorTracker *create();
};
} // end namespace Modularize
#endif
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