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ref:cde9a383711a11544ce7e107a78147fb96cc4029

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diff --git a/contrib/libs/antlr3_cpp_runtime/include/antlr3parser.hpp b/contrib/libs/antlr3_cpp_runtime/include/antlr3parser.hpp
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+++ b/contrib/libs/antlr3_cpp_runtime/include/antlr3parser.hpp
@@ -0,0 +1,197 @@
+/** \file
+ * Base implementation of an ANTLR3 parser.
+ *
+ *
+ */
+#ifndef	_ANTLR3_PARSER_HPP
+#define	_ANTLR3_PARSER_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 {
+
+/** This is the main interface for an ANTLR3 parser.
+ */
+template< class ImplTraits >
+class Parser  :  public ImplTraits::template RecognizerType< typename ImplTraits::TokenStreamType >
+{
+public:
+	typedef typename ImplTraits::StringType StringType;
+	typedef typename ImplTraits::TokenStreamType  TokenStreamType;
+	typedef typename TokenStreamType::IntStreamType  IntStreamType;
+	typedef TokenStreamType StreamType;
+
+	typedef typename ImplTraits::template RecognizerType< typename ImplTraits::TokenStreamType > RecognizerType;
+	typedef typename RecognizerType::RecognizerSharedStateType RecognizerSharedStateType;
+
+	typedef DebugEventListener<ImplTraits> DebugEventListenerType;
+	typedef typename ImplTraits::CommonTokenType CommonTokenType;
+	typedef CommonTokenType TokenType;
+	typedef typename ImplTraits::BitsetListType BitsetListType;
+	typedef ANTLR_ExceptionBase<ImplTraits, TokenStreamType> ExceptionBaseType;
+	typedef Empty TokenSourceType;
+
+	typedef typename RecognizerSharedStateType::FollowingType FollowingType;
+	typedef typename RecognizerSharedStateType::RuleMemoType RuleMemoType;
+	typedef typename ImplTraits::DebugEventListenerType DebuggerType;
+
+private:
+    /** A provider of a tokenstream interface, for the parser to consume
+     *  tokens from.
+     */
+    TokenStreamType*			m_tstream;
+
+public:
+	Parser( ANTLR_UINT32 sizeHint, RecognizerSharedStateType* state );
+	Parser( ANTLR_UINT32 sizeHint, TokenStreamType* tstream, RecognizerSharedStateType* state );
+	Parser( ANTLR_UINT32 sizeHint, TokenStreamType* tstream, DebugEventListenerType* dbg,
+											RecognizerSharedStateType* state );
+	TokenStreamType* get_tstream() const;
+	TokenStreamType* get_input() 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;
+
+	/** A pointer to a function that installs a debugger object (it also
+	 *  installs the debugging versions of the parser methods. This means that
+	 *  a non debug parser incurs no overhead because of the debugging stuff.
+	 */
+	void	setDebugListener(DebugEventListenerType* dbg);
+
+    /** A pointer to a function that installs a token stream
+     * for the parser.
+     */
+    void	setTokenStream(TokenStreamType*);
+
+    /** A pointer to a function that returns the token stream for this
+     *  parser.
+     */
+    TokenStreamType*	getTokenStream();
+
+	void exConstruct();
+	TokenType*	getMissingSymbol( IntStreamType* istream, ExceptionBaseType* e,
+								  ANTLR_UINT32	expectedTokenType, BitsetListType*	follow);
+
+	void mismatch(ANTLR_UINT32 ttype, BitsetListType* follow);
+
+    /** Pointer to a function that knows how to free resources of an ANTLR3 parser.
+     */
+	~Parser();
+
+	void fillExceptionData( ExceptionBaseType* ex );
+	void displayRecognitionError( ANTLR_UINT8** tokenNames, ExceptionBaseType* ex );
+
+	//convenience functions exposed in .stg
+	const RecognizerType* get_recognizer() const;
+	RecognizerSharedStateType* get_psrstate() const;
+	void set_psrstate(RecognizerSharedStateType* state);
+	bool haveParsedRule(ANTLR_MARKER	ruleIndex);
+	void memoize(ANTLR_MARKER	ruleIndex, ANTLR_MARKER	ruleParseStart);
+	ANTLR_MARKER  index() const;
+	bool hasException() const;
+	ExceptionBaseType* get_exception() const;
+	const CommonTokenType* matchToken( ANTLR_UINT32 ttype, BitsetListType* follow );
+	void matchAnyToken();
+	const FollowingType& get_follow_stack() const;
+	void followPush( const BitsetListType& follow );
+	void followPop();
+	void precover();
+	void preporterror();
+	ANTLR_UINT32 LA(ANTLR_INT32 i);
+	const CommonTokenType*  LT(ANTLR_INT32 k);
+	void constructEx();
+	void consume();
+	ANTLR_MARKER mark();
+	void rewind(ANTLR_MARKER marker);
+	void rewindLast();
+	void seek(ANTLR_MARKER index);
+	bool get_perror_recovery() const;
+	void set_perror_recovery( bool val );
+	bool hasFailed() const;
+	bool get_failedflag() const;
+	void set_failedflag( bool failed );
+	ANTLR_INT32 get_backtracking() const;
+	void inc_backtracking();
+	void dec_backtracking();
+	CommonTokenType* recoverFromMismatchedSet(BitsetListType*	follow);
+	bool	recoverFromMismatchedElement(BitsetListType*	follow);
+	RuleMemoType* getRuleMemo() const;
+	DebuggerType* get_debugger() const;
+	TokenStreamType* get_strstream() const;
+	void setRuleMemo(RuleMemoType* rulememo);
+
+};
+
+//Generic rule return value. Unlike the general ANTLR, this gets generated for
+//every rule in the target. Handle rule exit here
+template<class ImplTraits>
+class RuleReturnValue
+{
+public:
+	typedef typename ImplTraits::BaseParserType BaseParserType;
+	typedef typename ImplTraits::CommonTokenType CommonTokenType;
+
+	const CommonTokenType*		start;
+	const CommonTokenType*		stop;
+
+	RuleReturnValue(BaseParserType* psr = NULL );
+	RuleReturnValue( const RuleReturnValue& val );
+	RuleReturnValue& operator=( const RuleReturnValue& val );
+	void call_start_placeholder(BaseParserType*);
+	void call_stop_placeholder(BaseParserType*);
+	RuleReturnValue& get_struct();
+	~RuleReturnValue();
+};
+
+//This kind makes sure that whenever tokens are condensed into a rule,
+//all the tokens except the start and stop tokens are deleted
+template<class ImplTraits>
+class RuleReturnValue_1 : public RuleReturnValue<ImplTraits>
+{
+public:
+	typedef RuleReturnValue<ImplTraits> BaseType;
+	typedef typename BaseType::BaseParserType BaseParserType;
+
+	BaseParserType* parser;
+
+	RuleReturnValue_1();
+	RuleReturnValue_1( BaseParserType* psr);
+	RuleReturnValue_1( const RuleReturnValue_1& val );
+	void call_start_placeholder(BaseParserType*);  //its dummy here
+	~RuleReturnValue_1();
+};
+
+}
+
+#include "antlr3parser.inl"
+
+#endif