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/*
* Copyright 2005-2018 Adrian Thurston <thurston@colm.net>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "ragel.h"
#include "parsedata.h"
#include "fsmgraph.h"
#include "gendata.h"
/*
* Code generators.
*/
#include "bingoto.h"
#include "binbreak.h"
#include "binvar.h"
#include "flatgoto.h"
#include "flatbreak.h"
#include "flatvar.h"
#include "switchgoto.h"
#include "switchbreak.h"
#include "switchvar.h"
#include "gotoloop.h"
#include "gotoexp.h"
#include "ipgoto.h"
#include "asm.h"
CodeGenData *makeCodeGenAsm( const HostLang *hostLang, const CodeGenArgs &args )
{
return new AsmCodeGen( args );
}
/* Invoked by the parser when a ragel definition is opened. */
CodeGenData *makeCodeGen( const HostLang *hostLang, const CodeGenArgs &args )
{
FsmGbl *id = args.id;
CodeGenData *codeGen = 0;
BackendFeature feature = hostLang->feature;
if ( args.forceVar )
feature = VarFeature;
switch ( args.codeStyle ) {
case GenBinaryLoop:
if ( feature == GotoFeature )
codeGen = new BinGotoLoop( args );
else if ( feature == BreakFeature )
codeGen = new BinBreakLoop( args );
else
codeGen = new BinVarLoop( args );
break;
case GenBinaryExp:
if ( feature == GotoFeature )
codeGen = new BinGotoExp( args );
else if ( feature == BreakFeature )
codeGen = new BinBreakExp( args );
else
codeGen = new BinVarExp( args );
break;
case GenFlatLoop:
if ( feature == GotoFeature )
codeGen = new FlatGotoLoop( args );
else if ( feature == BreakFeature )
codeGen = new FlatBreakLoop( args );
else
codeGen = new FlatVarLoop( args );
break;
case GenFlatExp:
if ( feature == GotoFeature )
codeGen = new FlatGotoExp( args );
else if ( feature == BreakFeature )
codeGen = new FlatBreakExp( args );
else
codeGen = new FlatVarExp( args );
break;
case GenSwitchLoop:
if ( feature == GotoFeature )
codeGen = new SwitchGotoLoop( args );
else if ( feature == BreakFeature )
codeGen = new SwitchBreakLoop( args );
else
codeGen = new SwitchVarLoop( args );
break;
case GenSwitchExp:
if ( feature == GotoFeature )
codeGen = new SwitchGotoExp( args );
else if ( feature == BreakFeature )
codeGen = new SwitchBreakExp( args );
else
codeGen = new SwitchVarExp( args );
break;
case GenGotoLoop:
if ( feature == GotoFeature )
codeGen = new GotoLoop(args);
else
id->error() << "unsupported lang/style combination" << endp;
break;
case GenGotoExp:
if ( feature == GotoFeature )
codeGen = new GotoExp(args);
else
id->error() << "unsupported lang/style combination" << endp;
break;
case GenIpGoto:
if ( feature == GotoFeature )
codeGen = new IpGoto(args);
else
id->error() << "unsupported lang/style combination" << endp;
break;
}
return codeGen;
}
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