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#ifndef ANTLR3TREEPARSER_HPP
#define ANTLR3TREEPARSER_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.
/** Internal structure representing an element in a hash bucket.
* Stores the original key so that duplicate keys can be rejected
* if necessary, and contains function can be supported If the hash key
* could be unique I would have invented the perfect compression algorithm ;-)
*/
namespace antlr3 {
template<class ImplTraits>
class TreeParser : public ImplTraits::template RecognizerType< typename ImplTraits::TreeNodeStreamType >
{
public:
typedef typename ImplTraits::TreeNodeStreamType TreeNodeStreamType;
typedef TreeNodeStreamType StreamType;
typedef typename TreeNodeStreamType::IntStreamType IntStreamType;
typedef typename ImplTraits::TreeType TreeType;
typedef typename ImplTraits::TreeTypePtr TreeTypePtr;
typedef TreeType TokenType;
typedef typename ImplTraits::template ExceptionBaseType<TreeNodeStreamType> ExceptionBaseType;
typedef typename ImplTraits::template RecognizerType< typename ImplTraits::TreeNodeStreamType > RecognizerType;
typedef typename RecognizerType::RecognizerSharedStateType RecognizerSharedStateType;
typedef Empty TokenSourceType;
typedef typename ImplTraits::BitsetListType BitsetListType;
typedef typename ImplTraits::StringType StringType;
typedef typename ImplTraits::CommonTokenType CommonTokenType;
private:
/** Pointer to the common tree node stream for the parser
*/
TreeNodeStreamType* m_ctnstream;
public:
TreeParser( ANTLR_UINT32 sizeHint, TreeNodeStreamType* ctnstream,
RecognizerSharedStateType* state);
TreeNodeStreamType* get_ctnstream() const;
IntStreamType* get_istream() const;
RecognizerType* get_rec();
//same as above. Just that get_istream exists for lexer, parser, treeparser
//get_parser_istream exists only for parser, treeparser. So use it accordingly
IntStreamType* get_parser_istream() const;
/** Set the input stream and reset the parser
*/
void setTreeNodeStream(TreeNodeStreamType* input);
/** Return a pointer to the input stream
*/
TreeNodeStreamType* getTreeNodeStream();
TokenType* getMissingSymbol( IntStreamType* istream,
ExceptionBaseType* e,
ANTLR_UINT32 expectedTokenType,
BitsetListType* follow);
/** Pointer to a function that knows how to free resources of an ANTLR3 tree parser.
*/
~TreeParser();
void fillExceptionData( ExceptionBaseType* ex );
void displayRecognitionError( ANTLR_UINT8** tokenNames, ExceptionBaseType* ex );
void exConstruct();
void mismatch(ANTLR_UINT32 ttype, BitsetListType* follow);
};
}
#include "antlr3treeparser.inl"
#endif
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