78 lines
2.3 KiB
C++
78 lines
2.3 KiB
C++
// -*- mode: c++ -*-
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/*
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Copyright (c) 2014, Evghenii Gaburov
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of Intel Corporation nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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Based on GPU Ocelot PTX parser : https://code.google.com/p/gpuocelot/
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*/
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#pragma once
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#include <cstring>
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#include <cassert>
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namespace parser
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{
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class PTXLexer;
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class PTXParser;
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}
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#include "ptxgrammar.hh"
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namespace parser
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{
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/*! \brief A wrapper around yyFlexLexer to allow for a local variable */
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class PTXLexer : public ptxFlexLexer
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{
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public:
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YYSTYPE* yylval;
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int column;
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int nextColumn;
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public:
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PTXLexer( std::istream* arg_yyin,
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std::ostream* arg_yyout ) :
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yyFlexLexer( arg_yyin, arg_yyout ), yylval( 0 ), column( 0 ),
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nextColumn( 0 ) { }
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int yylex();
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int yylexPosition()
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{
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int token = yylex();
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column = nextColumn;
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nextColumn = column + strlen( YYText() );
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return token;
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}
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};
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}
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