intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 70 insertions, 0 deletions

diff --git a/contrib/libs/antlr3_cpp_runtime/include/antlr3filestream.hpp b/contrib/libs/antlr3_cpp_runtime/include/antlr3filestream.hpp
new file mode 100644
index 00000000000..140b1a5f673
--- /dev/null
+++ b/contrib/libs/antlr3_cpp_runtime/include/antlr3filestream.hpp
@@ -0,0 +1,70 @@
+#ifndef	_ANTLR3_FILESTREAM_HPP
+#define	_ANTLR3_FILESTREAM_HPP
+
+// [The "BSD licence"]
+// Copyright (c) 2005-2009 Gokulakannan Somasundaram, ElectronDB
+
+//
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+// 3. The name of the author may not be used to endorse or promote products
+//    derived from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+namespace antlr3 {
+
+template<class ImplTraits>
+class FileUtils
+{
+public:
+	/** \brief Open an operating system file and return the descriptor
+	 * We just use the common open() and related functions here. 
+	 * Later we might find better ways on systems
+	 * such as Windows and OpenVMS for instance. But the idea is to read the 
+	 * while file at once anyway, so it may be irrelevant.
+	 */
+	static ANTLR_FDSC	AntlrFopen(const ANTLR_UINT8* filename, const char * mode);
+
+	/** \brief Close an operating system file and free any handles
+	 *  etc.
+	 */
+	static void		AntlrFclose	(ANTLR_FDSC fd);
+
+	static ANTLR_UINT32	AntlrFsize(const ANTLR_UINT8* filename);
+	template<typename InputStreamType>
+	static ANTLR_UINT32	AntlrRead8Bit(InputStreamType* input, const ANTLR_UINT8* fileName);
+	static ANTLR_UINT32	AntlrFread(ANTLR_FDSC fdsc, ANTLR_UINT32 count,  void* data);
+
+};
+
+class ParseFileAbsentException : public std::exception
+{
+	virtual const char* what() const noexcept
+	{
+		return " Parse File not Present";
+	}
+};
+
+}
+
+#include "antlr3filestream.inl"
+
+#endif