diff options
Diffstat (limited to 'src/libfsm/tables.cc')
| -rw-r--r-- | src/libfsm/tables.cc | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/libfsm/tables.cc b/src/libfsm/tables.cc new file mode 100644 index 00000000..40edd93e --- /dev/null +++ b/src/libfsm/tables.cc @@ -0,0 +1,81 @@ +/* + * Copyright 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 "tables.h" + +void Tables::CURS( ostream &ret, bool inFinish ) +{ + ret << OPEN_GEN_EXPR() << ps << CLOSE_GEN_EXPR(); +} + +void Tables::TARGS( ostream &ret, bool inFinish, int targState ) +{ + ret << OPEN_GEN_EXPR() << vCS() << CLOSE_GEN_EXPR(); +} + +void Tables::NEXT( ostream &ret, int nextDest, bool inFinish ) +{ + ret << OPEN_GEN_BLOCK() << vCS() << " = " << nextDest << ";" << CLOSE_GEN_BLOCK(); +} + +void Tables::NEXT_EXPR( ostream &ret, GenInlineItem *ilItem, bool inFinish ) +{ + ret << OPEN_GEN_BLOCK() << "" << vCS() << " = " << OPEN_HOST_EXPR(); + INLINE_LIST( ret, ilItem->children, 0, inFinish, false ); + ret << CLOSE_HOST_EXPR() << ";" << CLOSE_GEN_BLOCK(); +} + +void Tables::EOF_TRANS() +{ + out << + "" << trans << " = " << CAST(UINT()) << ARR_REF( eofTrans ) << "[" << vCS() << "] - 1;\n"; + + if ( red->condSpaceList.length() > 0 ) { + out << + "" << cond << " = " << CAST(UINT()) << ARR_REF( transOffsets ) << "[" << trans << "];\n"; + } +} + +void Tables::COND_EXEC( std::string expr ) +{ + out << + " switch ( " << expr << " ) {\n" + "\n"; + + for ( CondSpaceList::Iter csi = red->condSpaceList; csi.lte(); csi++ ) { + GenCondSpace *condSpace = csi; + out << " " << CASE( STR( condSpace->condSpaceId ) ) << " {\n"; + for ( GenCondSet::Iter csi = condSpace->condSet; csi.lte(); csi++ ) { + out << "if ( "; + CONDITION( out, *csi ); + Size condValOffset = (1 << csi.pos()); + out << " ) " << cpc << " += " << condValOffset << ";\n"; + } + + out << + " " << CEND() << "\n}\n"; + } + + out << + " }\n"; +} + |