From ec2b103c267a06a66e926f62cd96767b280f5cf5 Mon Sep 17 00:00:00 2001
From: Ed Schouten <ed@FreeBSD.org>
Date: Tue, 2 Jun 2009 17:58:47 +0000
Subject: Import Clang, at r72732.

---
 include/clang/Frontend/InitPreprocessor.h | 70 +++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 include/clang/Frontend/InitPreprocessor.h

(limited to 'include/clang/Frontend/InitPreprocessor.h')

diff --git a/include/clang/Frontend/InitPreprocessor.h b/include/clang/Frontend/InitPreprocessor.h
new file mode 100644
index 000000000000..eb03602dc57b
--- /dev/null
+++ b/include/clang/Frontend/InitPreprocessor.h
@@ -0,0 +1,70 @@
+//===--- InitPreprocessor.h - InitializePreprocessor function. --*- 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 clang::InitializePreprocessor function.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_FRONTEND_INIT_PREPROCESSOR_H_
+#define LLVM_CLANG_FRONTEND_INIT_PREPROCESSOR_H_
+
+#include <string>
+#include <vector>
+
+namespace clang {
+
+class Preprocessor;
+class LangOptions;
+
+/// PreprocessorInitOptions - This class is used for passing the various
+/// options used in preprocessor initialization to InitializePreprocessor().
+class PreprocessorInitOptions {
+  std::vector<std::pair<std::string, bool/*isUndef*/> > Macros;
+  std::vector<std::pair<std::string, bool/*isPTH*/> > Includes;
+  std::vector<std::string> MacroIncludes;
+
+public:
+
+  void addMacroDef(const std::string &Name) {
+    Macros.push_back(std::make_pair(Name, false));
+  }
+  void addMacroUndef(const std::string &Name) {
+    Macros.push_back(std::make_pair(Name, true));
+  }
+  void addInclude(const std::string &Name, bool isPTH = false) {
+    Includes.push_back(std::make_pair(Name, isPTH));
+  }
+  void addMacroInclude(const std::string &Name) {
+    MacroIncludes.push_back(Name);
+  }
+
+  typedef std::vector<std::pair<std::string,
+                                bool> >::const_iterator macro_iterator;
+  macro_iterator macro_begin() const { return Macros.begin(); }
+  macro_iterator macro_end() const { return Macros.end(); }
+
+  typedef std::vector<std::pair<std::string,
+                                bool> >::const_iterator include_iterator;
+  include_iterator include_begin() const { return Includes.begin(); }
+  include_iterator include_end() const { return Includes.end(); }
+
+  typedef std::vector<std::string>::const_iterator imacro_iterator;
+  imacro_iterator imacro_begin() const { return MacroIncludes.begin(); }
+  imacro_iterator imacro_end() const { return MacroIncludes.end(); }
+};
+
+/// InitializePreprocessor - Initialize the preprocessor getting it and the
+/// environment ready to process a single file. This returns true on error.
+///
+bool InitializePreprocessor(Preprocessor &PP,
+                            const PreprocessorInitOptions& InitOptions);
+
+} // end namespace clang
+
+#endif
-- 
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