Initial commit of Hyperscan

src/parser/parse_error.h

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+/*
+ * Copyright (c) 2015, Intel Corporation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *  * 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.
+ *  * Neither the name of Intel Corporation nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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.
+ */
+
+/** \file
+ * \brief Parse/Compile exceptions.
+ */
+
+#ifndef PARSE_ERROR_H_A02047D1AA16C9
+#define PARSE_ERROR_H_A02047D1AA16C9
+
+#include "util/compile_error.h"
+
+#include <string>
+
+namespace ue2 {
+
+/** \brief Error thrown internally by the Parser interface. */
+class ParseError : public CompileError {
+public:
+    // Note: 'why' should describe why the error occurred and end with a
+    // full stop, but no line break.
+    explicit ParseError(const std::string &why) : CompileError(why) {}
+
+    ~ParseError() override;
+};
+
+class LocatedParseError : public ParseError {
+public:
+    explicit LocatedParseError(const std::string &why) : ParseError(".") {
+        reason = why; // don't use ParseError ctor
+    }
+
+    ~LocatedParseError() override;
+
+    void locate(size_t offset);
+};
+
+} // namespace ue2
+
+#endif /* PARSE_ERROR_H_A02047D1AA16C9 */