added Parser

arangod/Aql/Parser.cpp

@@ -0,0 +1,63 @@
+////////////////////////////////////////////////////////////////////////////////
+/// @brief Aql, query parser
+///
+/// @file
+///
+/// DISCLAIMER
+///
+/// Copyright 2014 ArangoDB GmbH, Cologne, Germany
+/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
+///
+/// Licensed under the Apache License, Version 2.0 (the "License");
+/// you may not use this file except in compliance with the License.
+/// You may obtain a copy of the License at
+///
+///     http://www.apache.org/licenses/LICENSE-2.0
+///
+/// Unless required by applicable law or agreed to in writing, software
+/// distributed under the License is distributed on an "AS IS" BASIS,
+/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+/// See the License for the specific language governing permissions and
+/// limitations under the License.
+///
+/// Copyright holder is ArangoDB GmbH, Cologne, Germany
+///
+/// @author Jan Steemann
+/// @author Copyright 2014, ArangoDB GmbH, Cologne, Germany
+/// @author Copyright 2012-2013, triAGENS GmbH, Cologne, Germany
+////////////////////////////////////////////////////////////////////////////////
+
+#include "Aql/Parser.h"
+
+using namespace triagens::aql;
+
+// -----------------------------------------------------------------------------
+// --SECTION--                                        constructors / destructors
+// -----------------------------------------------------------------------------
+
+////////////////////////////////////////////////////////////////////////////////
+/// @brief create the parser
+////////////////////////////////////////////////////////////////////////////////
+
+Parser::Parser () {
+}
+
+////////////////////////////////////////////////////////////////////////////////
+/// @brief destroy the parser
+////////////////////////////////////////////////////////////////////////////////
+
+Parser::~Parser () {
+}
+
+// -----------------------------------------------------------------------------
+// --SECTION--                                                  public functions
+// -----------------------------------------------------------------------------
+
+// -----------------------------------------------------------------------------
+// --SECTION--                                                       END-OF-FILE
+// -----------------------------------------------------------------------------
+
+// Local Variables:
+// mode: outline-minor
+// outline-regexp: "/// @brief\\|/// {@inheritDoc}\\|/// @page\\|// --SECTION--\\|/// @\\}"
+// End:

arangod/Aql/Parser.h

@@ -0,0 +1,103 @@
+////////////////////////////////////////////////////////////////////////////////
+/// @brief Aql, query parser
+///
+/// @file
+///
+/// DISCLAIMER
+///
+/// Copyright 2014 ArangoDB GmbH, Cologne, Germany
+/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
+///
+/// Licensed under the Apache License, Version 2.0 (the "License");
+/// you may not use this file except in compliance with the License.
+/// You may obtain a copy of the License at
+///
+///     http://www.apache.org/licenses/LICENSE-2.0
+///
+/// Unless required by applicable law or agreed to in writing, software
+/// distributed under the License is distributed on an "AS IS" BASIS,
+/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+/// See the License for the specific language governing permissions and
+/// limitations under the License.
+///
+/// Copyright holder is ArangoDB GmbH, Cologne, Germany
+///
+/// @author Jan Steemann
+/// @author Copyright 2014, ArangoDB GmbH, Cologne, Germany
+/// @author Copyright 2012-2013, triAGENS GmbH, Cologne, Germany
+////////////////////////////////////////////////////////////////////////////////
+
+#ifndef ARANGODB_AQL_PARSER_H
+#define ARANGODB_AQL_PARSER_H 1
+
+#include "Basics/Common.h"
+
+namespace triagens {
+  namespace aql {
+
+// -----------------------------------------------------------------------------
+// --SECTION--                                                      class Parser
+// -----------------------------------------------------------------------------
+
+////////////////////////////////////////////////////////////////////////////////
+/// @brief the parser
+////////////////////////////////////////////////////////////////////////////////
+
+    class Parser {
+
+// -----------------------------------------------------------------------------
+// --SECTION--                                        constructors / destructors
+// -----------------------------------------------------------------------------
+
+      public:
+
+////////////////////////////////////////////////////////////////////////////////
+/// @brief create the parser
+////////////////////////////////////////////////////////////////////////////////
+
+        Parser ();
+
+////////////////////////////////////////////////////////////////////////////////
+/// @brief destroy the parser
+////////////////////////////////////////////////////////////////////////////////
+
+        ~Parser ();
+
+// -----------------------------------------------------------------------------
+// --SECTION--                                                    public methods
+// -----------------------------------------------------------------------------
+
+      public:
+
+// -----------------------------------------------------------------------------
+// --SECTION--                                                 private variables
+// -----------------------------------------------------------------------------
+
+      private:
+
+        void* _scanner; // the lexer generated by flex
+        char* _buffer;  // the currently procssed part of the query string
+        size_t _length; // remaining length of the query string, modified during parsing
+        size_t _queryLength; // overall length of the query string, not modified
+
+
+        // TODO: check if these are still required
+        // TRI_vector_pointer_t _scopes;
+        // TRI_vector_pointer_t _stack;
+        // char* _marker; // used temporarily during parsing
+        // size_t _offset; // current parse position
+    };
+
+  }
+}
+
+#endif
+
+// -----------------------------------------------------------------------------
+// --SECTION--                                                       END-OF-FILE
+// -----------------------------------------------------------------------------
+
+// Local Variables:
+// mode: outline-minor
+// outline-regexp: "/// @brief\\|/// {@inheritDoc}\\|/// @page\\|// --SECTION--\\|/// @\\}"
+// End:

arangod/CMakeLists.txt

@@ -57,6 +57,7 @@ add_executable(
     Ahuacatl/ahuacatl-statementlist.cpp
     Ahuacatl/ahuacatl-tokens.cpp
     Ahuacatl/ahuacatl-variable.cpp
+    Aql/Parser.cpp
     Aql/Query.cpp
     Aql/QueryError.cpp
     BitIndexes/bitarray.cpp

arangod/Makefile.files

@@ -38,6 +38,7 @@ arangod_libarangod_a_SOURCES = \
 	arangod/Ahuacatl/ahuacatl-statementlist.cpp \
 	arangod/Ahuacatl/ahuacatl-tokens.cpp \
 	arangod/Ahuacatl/ahuacatl-variable.cpp \
+	arangod/Aql/Parser.cpp \
 	arangod/Aql/Query.cpp \
 	arangod/Aql/QueryError.cpp \
 	arangod/BitIndexes/bitarray.cpp \