From 00369dcd62ea48a9174a6923498f4375968a94c3 Mon Sep 17 00:00:00 2001
From: Rusty Wagner <rusty@vector35.com>
Date: Wed, 19 Aug 2015 23:49:04 -0400
Subject: Add C preprocessor in preparation for type parsing

---
 binaryninjaapi.h |  4 ++++
 type.cpp         | 23 +++++++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/binaryninjaapi.h b/binaryninjaapi.h
index be801a3c..a2779e70 100644
--- a/binaryninjaapi.h
+++ b/binaryninjaapi.h
@@ -158,6 +158,10 @@ namespace BinaryNinja
 	std::string EscapeString(const std::string& s);
 	std::string UnescapeString(const std::string& s);
 
+	bool PreprocessSource(const std::string& source, const std::string& fileName,
+	                      std::string& output, std::string& errors,
+	                      const std::vector<std::string>& includeDirs = std::vector<std::string>());
+
 	class DataBuffer
 	{
 		BNDataBuffer* m_buffer;
diff --git a/type.cpp b/type.cpp
index 62176deb..1a0bec58 100644
--- a/type.cpp
+++ b/type.cpp
@@ -355,3 +355,26 @@ void Enumeration::AddMemberWithValue(const string& name, uint64_t value)
 {
 	BNAddEnumerationMemberWithValue(m_enum, name.c_str(), value);
 }
+
+
+bool BinaryNinja::PreprocessSource(const string& source, const string& fileName, string& output, string& errors,
+                                   const vector<string>& includeDirs)
+{
+	char* outStr;
+	char* errorStr;
+	const char** includeDirList = new const char*[includeDirs.size()];
+
+	for (size_t i = 0; i < includeDirs.size(); i++)
+		includeDirList[i] = includeDirs[i].c_str();
+
+	bool result = BNPreprocessSource(source.c_str(), fileName.c_str(), &outStr, &errorStr,
+	                                 includeDirList, includeDirs.size());
+
+	output = outStr;
+	errors = errorStr;
+
+	BNFreeString(outStr);
+	BNFreeString(errorStr);
+	delete[] includeDirList;
+	return result;
+}
-- 
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