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Diffstat (limited to 'include/clang/Lex/ExternalPreprocessorSource.h')
| -rw-r--r-- | include/clang/Lex/ExternalPreprocessorSource.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/include/clang/Lex/ExternalPreprocessorSource.h b/include/clang/Lex/ExternalPreprocessorSource.h new file mode 100644 index 0000000..af5c389 --- /dev/null +++ b/include/clang/Lex/ExternalPreprocessorSource.h @@ -0,0 +1,34 @@ +//===- ExternalPreprocessorSource.h - Abstract Macro Interface --*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file defines the ExternalPreprocessorSource interface, which enables +// construction of macro definitions from some external source. +// +//===----------------------------------------------------------------------===// +#ifndef LLVM_CLANG_LEX_EXTERNAL_PREPROCESSOR_SOURCE_H +#define LLVM_CLANG_LEX_EXTERNAL_PREPROCESSOR_SOURCE_H + +namespace clang { + +/// \brief Abstract interface for external sources of preprocessor +/// information. +/// +/// This abstract class allows an external sources (such as the \c PCHReader) +/// to provide additional macro definitions. +class ExternalPreprocessorSource { +public: + virtual ~ExternalPreprocessorSource(); + + /// \brief Read the set of macros defined by this external macro source. + virtual void ReadDefinedMacros() = 0; +}; + +} + +#endif // LLVM_CLANG_LEX_EXTERNAL_PREPROCESSOR_SOURCE_H |
