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author | smalov <smalov@yandex-team.ru> | 2022-02-10 16:47:36 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:47:36 +0300 |
commit | cfadda92ca195da3ad68d721a58872a4f1ced696 (patch) | |
tree | c0748b5dcbade83af788c0abfa89c0383d6b779c /contrib/tools/ragel6/rubyftable.cpp | |
parent | f70d9720e13aef3a935e3f405b0eac554529e76e (diff) | |
download | ydb-cfadda92ca195da3ad68d721a58872a4f1ced696.tar.gz |
Restoring authorship annotation for <smalov@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/tools/ragel6/rubyftable.cpp')
-rw-r--r-- | contrib/tools/ragel6/rubyftable.cpp | 1102 |
1 files changed, 551 insertions, 551 deletions
diff --git a/contrib/tools/ragel6/rubyftable.cpp b/contrib/tools/ragel6/rubyftable.cpp index 39c21cbc79..b90ffa7b4c 100644 --- a/contrib/tools/ragel6/rubyftable.cpp +++ b/contrib/tools/ragel6/rubyftable.cpp @@ -1,563 +1,563 @@ -/* - * 2007 Victor Hugo Borja <vic@rubyforge.org> - * Copyright 2001-2007 Adrian Thurston <thurston@complang.org> - */ - -/* This file is part of Ragel. +/* + * 2007 Victor Hugo Borja <vic@rubyforge.org> + * Copyright 2001-2007 Adrian Thurston <thurston@complang.org> + */ + +/* This file is part of Ragel. + * + * Ragel is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. * - * Ragel is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * Ragel is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with Ragel; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <iomanip> -#include <sstream> -#include "redfsm.h" -#include "gendata.h" -#include "ragel.h" -#include "rubyftable.h" - -using std::ostream; -using std::ostringstream; -using std::string; -using std::cerr; -using std::endl; - -void RubyFTabCodeGen::GOTO( ostream &out, int gotoDest, bool inFinish ) -{ - out << - " begin\n" - " " << vCS() << " = " << gotoDest << "\n" - " _goto_level = _again\n" - " next\n" - " end\n"; -} - -void RubyFTabCodeGen::GOTO_EXPR( ostream &out, GenInlineItem *ilItem, bool inFinish ) -{ - out << - " begin\n" - " " << vCS() << " = ("; - INLINE_LIST( out, ilItem->children, 0, inFinish ); - out << ")\n"; + * Ragel is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Ragel; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <iomanip> +#include <sstream> +#include "redfsm.h" +#include "gendata.h" +#include "ragel.h" +#include "rubyftable.h" + +using std::ostream; +using std::ostringstream; +using std::string; +using std::cerr; +using std::endl; + +void RubyFTabCodeGen::GOTO( ostream &out, int gotoDest, bool inFinish ) +{ out << - " _goto_level = _again\n" - " next\n" - " end\n"; -} - -void RubyFTabCodeGen::CALL( ostream &out, int callDest, int targState, bool inFinish ) -{ - if ( prePushExpr != 0 ) { - out << "begin\n"; - INLINE_LIST( out, prePushExpr, 0, false ); - } - + " begin\n" + " " << vCS() << " = " << gotoDest << "\n" + " _goto_level = _again\n" + " next\n" + " end\n"; +} + +void RubyFTabCodeGen::GOTO_EXPR( ostream &out, GenInlineItem *ilItem, bool inFinish ) +{ out << - " begin\n" - " " << STACK() << "[" << TOP() << "] = " << vCS() << "\n" - " " << TOP() << "+= 1\n" - " " << vCS() << " = " << callDest << "\n" - " _goto_level = _again\n" - " next\n" - " end\n"; - - if ( prePushExpr != 0 ) - out << "end\n"; -} - -void RubyFTabCodeGen::CALL_EXPR(ostream &out, GenInlineItem *ilItem, - int targState, bool inFinish ) -{ - if ( prePushExpr != 0 ) { - out << "begin\n"; - INLINE_LIST( out, prePushExpr, 0, false ); - } - + " begin\n" + " " << vCS() << " = ("; + INLINE_LIST( out, ilItem->children, 0, inFinish ); + out << ")\n"; + out << + " _goto_level = _again\n" + " next\n" + " end\n"; +} + +void RubyFTabCodeGen::CALL( ostream &out, int callDest, int targState, bool inFinish ) +{ + if ( prePushExpr != 0 ) { + out << "begin\n"; + INLINE_LIST( out, prePushExpr, 0, false ); + } + + out << + " begin\n" + " " << STACK() << "[" << TOP() << "] = " << vCS() << "\n" + " " << TOP() << "+= 1\n" + " " << vCS() << " = " << callDest << "\n" + " _goto_level = _again\n" + " next\n" + " end\n"; + + if ( prePushExpr != 0 ) + out << "end\n"; +} + +void RubyFTabCodeGen::CALL_EXPR(ostream &out, GenInlineItem *ilItem, + int targState, bool inFinish ) +{ + if ( prePushExpr != 0 ) { + out << "begin\n"; + INLINE_LIST( out, prePushExpr, 0, false ); + } + + out << + " begin\n" + " " << STACK() << "[" << TOP() << "] = " << vCS() << "\n" + " " << TOP() << " += 1\n" + " " << vCS() << " = ("; + INLINE_LIST( out, ilItem->children, targState, inFinish ); + out << ")\n"; + out << - " begin\n" - " " << STACK() << "[" << TOP() << "] = " << vCS() << "\n" - " " << TOP() << " += 1\n" - " " << vCS() << " = ("; - INLINE_LIST( out, ilItem->children, targState, inFinish ); - out << ")\n"; - - out << - " _goto_level = _again\n" - " next\n" - " end\n"; - - if ( prePushExpr != 0 ) - out << "end\n"; -} - -void RubyFTabCodeGen::RET( ostream &out, bool inFinish ) -{ + " _goto_level = _again\n" + " next\n" + " end\n"; + + if ( prePushExpr != 0 ) + out << "end\n"; +} + +void RubyFTabCodeGen::RET( ostream &out, bool inFinish ) +{ + out << + " begin\n" + " " << TOP() << " -= 1\n" + " " << vCS() << " = " << STACK() << "[" << TOP() << "]\n"; + + if ( postPopExpr != 0 ) { + out << "begin\n"; + INLINE_LIST( out, postPopExpr, 0, false ); + out << "end\n"; + } + + out << + " _goto_level = _again\n" + " next\n" + " end\n"; +} + +void RubyFTabCodeGen::BREAK( ostream &out, int targState ) +{ out << - " begin\n" - " " << TOP() << " -= 1\n" - " " << vCS() << " = " << STACK() << "[" << TOP() << "]\n"; - - if ( postPopExpr != 0 ) { - out << "begin\n"; - INLINE_LIST( out, postPopExpr, 0, false ); - out << "end\n"; - } - + " begin\n" + " " << P() << " += 1\n" + " _goto_level = _out\n" + " next\n" + " end\n"; +} + + +std::ostream &RubyFTabCodeGen::TO_STATE_ACTION_SWITCH() +{ + /* Loop the actions. */ + for ( GenActionTableMap::Iter redAct = redFsm->actionMap; redAct.lte(); redAct++ ) { + if ( redAct->numToStateRefs > 0 ) { + /* Write the entry label. */ + out << "\twhen " << redAct->actListId+1 << " then\n"; + + /* Write each action in the list of action items. */ + for ( GenActionTable::Iter item = redAct->key; item.lte(); item++ ) + ACTION( out, item->value, 0, false ); + + } + } + + genLineDirective( out ); + return out; +} + +/* Write out the function switch. This switch is keyed on the values + * of the func index. */ +std::ostream &RubyFTabCodeGen::FROM_STATE_ACTION_SWITCH() +{ + /* Loop the actions. */ + for ( GenActionTableMap::Iter redAct = redFsm->actionMap; redAct.lte(); redAct++ ) { + if ( redAct->numFromStateRefs > 0 ) { + /* Write the entry label. */ + out << "\twhen " << redAct->actListId+1 << " then\n"; + + /* Write each action in the list of action items. */ + for ( GenActionTable::Iter item = redAct->key; item.lte(); item++ ) + ACTION( out, item->value, 0, false ); + + } + } + + genLineDirective( out ); + return out; +} + +std::ostream &RubyFTabCodeGen::EOF_ACTION_SWITCH() +{ + /* Loop the actions. */ + for ( GenActionTableMap::Iter redAct = redFsm->actionMap; redAct.lte(); redAct++ ) { + if ( redAct->numEofRefs > 0 ) { + /* Write the entry label. */ + out << "\twhen " << redAct->actListId+1 << " then\n"; + + /* Write each action in the list of action items. */ + for ( GenActionTable::Iter item = redAct->key; item.lte(); item++ ) + ACTION( out, item->value, 0, true ); + + } + } + + genLineDirective( out ); + return out; +} + +/* Write out the function switch. This switch is keyed on the values + * of the func index. */ +std::ostream &RubyFTabCodeGen::ACTION_SWITCH() +{ + /* Loop the actions. */ + for ( GenActionTableMap::Iter redAct = redFsm->actionMap; redAct.lte(); redAct++ ) { + if ( redAct->numTransRefs > 0 ) { + /* Write the entry label. */ + out << "\twhen " << redAct->actListId+1 << " then\n"; + + /* Write each action in the list of action items. */ + for ( GenActionTable::Iter item = redAct->key; item.lte(); item++ ) + ACTION( out, item->value, 0, false ); + + } + } + + genLineDirective( out ); + return out; +} + + +int RubyFTabCodeGen::TO_STATE_ACTION( RedStateAp *state ) +{ + int act = 0; + if ( state->toStateAction != 0 ) + act = state->toStateAction->actListId+1; + return act; +} + +int RubyFTabCodeGen::FROM_STATE_ACTION( RedStateAp *state ) +{ + int act = 0; + if ( state->fromStateAction != 0 ) + act = state->fromStateAction->actListId+1; + return act; +} + +int RubyFTabCodeGen::EOF_ACTION( RedStateAp *state ) +{ + int act = 0; + if ( state->eofAction != 0 ) + act = state->eofAction->actListId+1; + return act; +} + + +/* Write out the function for a transition. */ +int RubyFTabCodeGen::TRANS_ACTION( RedTransAp *trans ) +{ + int action = 0; + if ( trans->action != 0 ) + action = trans->action->actListId+1; + return action; +} + +void RubyFTabCodeGen::writeData() +{ + + if ( redFsm->anyConditions() ) { + OPEN_ARRAY( ARRAY_TYPE(redFsm->maxCondOffset), CO() ); + COND_OFFSETS(); + CLOSE_ARRAY() << + "\n"; + + OPEN_ARRAY( ARRAY_TYPE(redFsm->maxCondLen), CL() ); + COND_LENS(); + CLOSE_ARRAY() << + "\n"; + + OPEN_ARRAY( WIDE_ALPH_TYPE(), CK() ); + COND_KEYS(); + CLOSE_ARRAY() << + "\n"; + + OPEN_ARRAY( ARRAY_TYPE(redFsm->maxCondSpaceId), C() ); + COND_SPACES(); + CLOSE_ARRAY() << + "\n"; + } + + OPEN_ARRAY( ARRAY_TYPE(redFsm->maxKeyOffset), KO() ); + KEY_OFFSETS(); + CLOSE_ARRAY() << + "\n"; + + OPEN_ARRAY( WIDE_ALPH_TYPE(), K() ); + KEYS(); + CLOSE_ARRAY() << + "\n"; + + OPEN_ARRAY( ARRAY_TYPE(redFsm->maxSingleLen), SL() ); + SINGLE_LENS(); + CLOSE_ARRAY() << + "\n"; + + OPEN_ARRAY( ARRAY_TYPE(redFsm->maxRangeLen), RL() ); + RANGE_LENS(); + CLOSE_ARRAY() << + "\n"; + + OPEN_ARRAY( ARRAY_TYPE(redFsm->maxIndexOffset), IO() ); + INDEX_OFFSETS(); + CLOSE_ARRAY() << + "\n"; + + if ( useIndicies ) { + OPEN_ARRAY( ARRAY_TYPE(redFsm->maxIndex), I() ); + INDICIES(); + CLOSE_ARRAY() << + "\n"; + + OPEN_ARRAY( ARRAY_TYPE(redFsm->maxState), TT() ); + TRANS_TARGS_WI(); + CLOSE_ARRAY() << + "\n"; + + if ( redFsm->anyActions() ) { + OPEN_ARRAY( ARRAY_TYPE(redFsm->maxActListId), TA() ); + TRANS_ACTIONS_WI(); + CLOSE_ARRAY() << + "\n"; + } + } + else { + OPEN_ARRAY( ARRAY_TYPE(redFsm->maxState), TT() ); + TRANS_TARGS(); + CLOSE_ARRAY() << + "\n"; + + if ( redFsm->anyActions() ) { + OPEN_ARRAY( ARRAY_TYPE(redFsm->maxActListId), TA() ); + TRANS_ACTIONS(); + CLOSE_ARRAY() << + "\n"; + } + } + + if ( redFsm->anyToStateActions() ) { + OPEN_ARRAY( ARRAY_TYPE(redFsm->maxActionLoc), TSA() ); + TO_STATE_ACTIONS(); + CLOSE_ARRAY() << + "\n"; + } + + if ( redFsm->anyFromStateActions() ) { + OPEN_ARRAY( ARRAY_TYPE(redFsm->maxActionLoc), FSA() ); + FROM_STATE_ACTIONS(); + CLOSE_ARRAY() << + "\n"; + } + + if ( redFsm->anyEofActions() ) { + OPEN_ARRAY( ARRAY_TYPE(redFsm->maxActListId), EA() ); + EOF_ACTIONS(); + CLOSE_ARRAY() << + "\n"; + } + + if ( redFsm->anyEofTrans() ) { + OPEN_ARRAY( ARRAY_TYPE(redFsm->maxIndexOffset+1), ET() ); + EOF_TRANS(); + CLOSE_ARRAY() << + "\n"; + } + + STATE_IDS(); +} + +void RubyFTabCodeGen::writeExec() +{ out << - " _goto_level = _again\n" - " next\n" - " end\n"; -} - -void RubyFTabCodeGen::BREAK( ostream &out, int targState ) -{ - out << - " begin\n" - " " << P() << " += 1\n" - " _goto_level = _out\n" - " next\n" - " end\n"; -} - - -std::ostream &RubyFTabCodeGen::TO_STATE_ACTION_SWITCH() -{ - /* Loop the actions. */ - for ( GenActionTableMap::Iter redAct = redFsm->actionMap; redAct.lte(); redAct++ ) { - if ( redAct->numToStateRefs > 0 ) { - /* Write the entry label. */ - out << "\twhen " << redAct->actListId+1 << " then\n"; - - /* Write each action in the list of action items. */ - for ( GenActionTable::Iter item = redAct->key; item.lte(); item++ ) - ACTION( out, item->value, 0, false ); - - } - } - - genLineDirective( out ); - return out; -} - -/* Write out the function switch. This switch is keyed on the values - * of the func index. */ -std::ostream &RubyFTabCodeGen::FROM_STATE_ACTION_SWITCH() -{ - /* Loop the actions. */ - for ( GenActionTableMap::Iter redAct = redFsm->actionMap; redAct.lte(); redAct++ ) { - if ( redAct->numFromStateRefs > 0 ) { - /* Write the entry label. */ - out << "\twhen " << redAct->actListId+1 << " then\n"; - - /* Write each action in the list of action items. */ - for ( GenActionTable::Iter item = redAct->key; item.lte(); item++ ) - ACTION( out, item->value, 0, false ); - - } - } - - genLineDirective( out ); - return out; -} - -std::ostream &RubyFTabCodeGen::EOF_ACTION_SWITCH() -{ - /* Loop the actions. */ - for ( GenActionTableMap::Iter redAct = redFsm->actionMap; redAct.lte(); redAct++ ) { - if ( redAct->numEofRefs > 0 ) { - /* Write the entry label. */ - out << "\twhen " << redAct->actListId+1 << " then\n"; - - /* Write each action in the list of action items. */ - for ( GenActionTable::Iter item = redAct->key; item.lte(); item++ ) - ACTION( out, item->value, 0, true ); - - } - } - - genLineDirective( out ); - return out; -} - -/* Write out the function switch. This switch is keyed on the values - * of the func index. */ -std::ostream &RubyFTabCodeGen::ACTION_SWITCH() -{ - /* Loop the actions. */ - for ( GenActionTableMap::Iter redAct = redFsm->actionMap; redAct.lte(); redAct++ ) { - if ( redAct->numTransRefs > 0 ) { - /* Write the entry label. */ - out << "\twhen " << redAct->actListId+1 << " then\n"; - - /* Write each action in the list of action items. */ - for ( GenActionTable::Iter item = redAct->key; item.lte(); item++ ) - ACTION( out, item->value, 0, false ); - - } - } - - genLineDirective( out ); - return out; -} - - -int RubyFTabCodeGen::TO_STATE_ACTION( RedStateAp *state ) -{ - int act = 0; - if ( state->toStateAction != 0 ) - act = state->toStateAction->actListId+1; - return act; -} - -int RubyFTabCodeGen::FROM_STATE_ACTION( RedStateAp *state ) -{ - int act = 0; - if ( state->fromStateAction != 0 ) - act = state->fromStateAction->actListId+1; - return act; -} - -int RubyFTabCodeGen::EOF_ACTION( RedStateAp *state ) -{ - int act = 0; - if ( state->eofAction != 0 ) - act = state->eofAction->actListId+1; - return act; -} - - -/* Write out the function for a transition. */ -int RubyFTabCodeGen::TRANS_ACTION( RedTransAp *trans ) -{ - int action = 0; - if ( trans->action != 0 ) - action = trans->action->actListId+1; - return action; -} - -void RubyFTabCodeGen::writeData() -{ - - if ( redFsm->anyConditions() ) { - OPEN_ARRAY( ARRAY_TYPE(redFsm->maxCondOffset), CO() ); - COND_OFFSETS(); - CLOSE_ARRAY() << - "\n"; - - OPEN_ARRAY( ARRAY_TYPE(redFsm->maxCondLen), CL() ); - COND_LENS(); - CLOSE_ARRAY() << - "\n"; - - OPEN_ARRAY( WIDE_ALPH_TYPE(), CK() ); - COND_KEYS(); - CLOSE_ARRAY() << - "\n"; - - OPEN_ARRAY( ARRAY_TYPE(redFsm->maxCondSpaceId), C() ); - COND_SPACES(); - CLOSE_ARRAY() << - "\n"; - } - - OPEN_ARRAY( ARRAY_TYPE(redFsm->maxKeyOffset), KO() ); - KEY_OFFSETS(); - CLOSE_ARRAY() << - "\n"; - - OPEN_ARRAY( WIDE_ALPH_TYPE(), K() ); - KEYS(); - CLOSE_ARRAY() << - "\n"; - - OPEN_ARRAY( ARRAY_TYPE(redFsm->maxSingleLen), SL() ); - SINGLE_LENS(); - CLOSE_ARRAY() << - "\n"; - - OPEN_ARRAY( ARRAY_TYPE(redFsm->maxRangeLen), RL() ); - RANGE_LENS(); - CLOSE_ARRAY() << - "\n"; - - OPEN_ARRAY( ARRAY_TYPE(redFsm->maxIndexOffset), IO() ); - INDEX_OFFSETS(); - CLOSE_ARRAY() << - "\n"; - - if ( useIndicies ) { - OPEN_ARRAY( ARRAY_TYPE(redFsm->maxIndex), I() ); - INDICIES(); - CLOSE_ARRAY() << - "\n"; - - OPEN_ARRAY( ARRAY_TYPE(redFsm->maxState), TT() ); - TRANS_TARGS_WI(); - CLOSE_ARRAY() << - "\n"; - - if ( redFsm->anyActions() ) { - OPEN_ARRAY( ARRAY_TYPE(redFsm->maxActListId), TA() ); - TRANS_ACTIONS_WI(); - CLOSE_ARRAY() << - "\n"; - } - } - else { - OPEN_ARRAY( ARRAY_TYPE(redFsm->maxState), TT() ); - TRANS_TARGS(); - CLOSE_ARRAY() << - "\n"; - - if ( redFsm->anyActions() ) { - OPEN_ARRAY( ARRAY_TYPE(redFsm->maxActListId), TA() ); - TRANS_ACTIONS(); - CLOSE_ARRAY() << - "\n"; - } - } - - if ( redFsm->anyToStateActions() ) { - OPEN_ARRAY( ARRAY_TYPE(redFsm->maxActionLoc), TSA() ); - TO_STATE_ACTIONS(); - CLOSE_ARRAY() << - "\n"; - } - - if ( redFsm->anyFromStateActions() ) { - OPEN_ARRAY( ARRAY_TYPE(redFsm->maxActionLoc), FSA() ); - FROM_STATE_ACTIONS(); - CLOSE_ARRAY() << - "\n"; - } - - if ( redFsm->anyEofActions() ) { - OPEN_ARRAY( ARRAY_TYPE(redFsm->maxActListId), EA() ); - EOF_ACTIONS(); - CLOSE_ARRAY() << - "\n"; - } - - if ( redFsm->anyEofTrans() ) { - OPEN_ARRAY( ARRAY_TYPE(redFsm->maxIndexOffset+1), ET() ); - EOF_TRANS(); - CLOSE_ARRAY() << - "\n"; - } - - STATE_IDS(); -} - -void RubyFTabCodeGen::writeExec() -{ - out << - "begin\n" - " testEof = false\n" - " _klen, _trans, _keys"; - - if ( redFsm->anyRegCurStateRef() ) - out << ", _ps"; - - if ( redFsm->anyConditions() ) - out << ", _widec"; - - out << " = nil\n"; - - out << - " _goto_level = 0\n" - " _resume = 10\n" - " _eof_trans = 15\n" - " _again = 20\n" - " _test_eof = 30\n" - " _out = 40\n"; - - out << - " while true\n" - " if _goto_level <= 0\n"; - - if ( !noEnd ) { - out << - " if " << P() << " == " << PE() << "\n" - " _goto_level = _test_eof\n" - " next\n" - " end\n"; - } - - if ( redFsm->errState != 0 ) { - out << - " if " << vCS() << " == " << redFsm->errState->id << "\n" - " _goto_level = _out\n" - " next\n" - " end\n"; - } - - /* The resume label. */ - out << - " end\n" - " if _goto_level <= _resume\n"; - - if ( redFsm->anyFromStateActions() ) { - out << - " case " << FSA() << "[" << vCS() << "] \n"; - FROM_STATE_ACTION_SWITCH() << - " end # from state action switch \n" - "\n"; - } - - if ( redFsm->anyConditions() ) - COND_TRANSLATE(); - - LOCATE_TRANS(); - - if ( useIndicies ) - out << " _trans = " << I() << "[_trans];\n"; - - if ( redFsm->anyEofTrans() ) { - out << - " end\n" - " if _goto_level <= _eof_trans\n"; - } - - if ( redFsm->anyRegCurStateRef() ) - out << " _ps = " << vCS() << ";\n"; - + "begin\n" + " testEof = false\n" + " _klen, _trans, _keys"; + + if ( redFsm->anyRegCurStateRef() ) + out << ", _ps"; + + if ( redFsm->anyConditions() ) + out << ", _widec"; + + out << " = nil\n"; + out << - " " << vCS() << " = " << TT() << "[_trans];\n" - "\n"; - - if ( redFsm->anyRegActions() ) { - out << - " if " << TA() << "[_trans] != 0\n" - "\n" - " case " << TA() << "[_trans] \n"; - ACTION_SWITCH() << - " end # action switch \n" - " end\n" - "\n"; - } - - /* The again label. */ + " _goto_level = 0\n" + " _resume = 10\n" + " _eof_trans = 15\n" + " _again = 20\n" + " _test_eof = 30\n" + " _out = 40\n"; + out << - " end\n" - " if _goto_level <= _again\n"; - - if ( redFsm->anyToStateActions() ) { + " while true\n" + " if _goto_level <= 0\n"; + + if ( !noEnd ) { out << - " case " << TSA() << "[" << vCS() << "] \n"; - TO_STATE_ACTION_SWITCH() << - " end\n" - "\n"; - } - - if ( redFsm->errState != 0 ) { - out << - " if " << vCS() << " == " << redFsm->errState->id << "\n" - " _goto_level = _out\n" - " next\n" - " end\n"; - } - - out << " " << P() << " += 1\n"; - - if ( !noEnd ) { - out << - " if " << P() << " != " << PE() << "\n" - " _goto_level = _resume\n" - " next\n" - " end\n"; - } - else { + " if " << P() << " == " << PE() << "\n" + " _goto_level = _test_eof\n" + " next\n" + " end\n"; + } + + if ( redFsm->errState != 0 ) { out << - " _goto_level = _resume\n" - " next\n"; - } - - /* The test eof label. */ + " if " << vCS() << " == " << redFsm->errState->id << "\n" + " _goto_level = _out\n" + " next\n" + " end\n"; + } + + /* The resume label. */ out << - " end\n" - " if _goto_level <= _test_eof\n"; - - if ( redFsm->anyEofTrans() || redFsm->anyEofActions() ) { + " end\n" + " if _goto_level <= _resume\n"; + + if ( redFsm->anyFromStateActions() ) { + out << + " case " << FSA() << "[" << vCS() << "] \n"; + FROM_STATE_ACTION_SWITCH() << + " end # from state action switch \n" + "\n"; + } + + if ( redFsm->anyConditions() ) + COND_TRANSLATE(); + + LOCATE_TRANS(); + + if ( useIndicies ) + out << " _trans = " << I() << "[_trans];\n"; + + if ( redFsm->anyEofTrans() ) { + out << + " end\n" + " if _goto_level <= _eof_trans\n"; + } + + if ( redFsm->anyRegCurStateRef() ) + out << " _ps = " << vCS() << ";\n"; + + out << + " " << vCS() << " = " << TT() << "[_trans];\n" + "\n"; + + if ( redFsm->anyRegActions() ) { + out << + " if " << TA() << "[_trans] != 0\n" + "\n" + " case " << TA() << "[_trans] \n"; + ACTION_SWITCH() << + " end # action switch \n" + " end\n" + "\n"; + } + + /* The again label. */ + out << + " end\n" + " if _goto_level <= _again\n"; + + if ( redFsm->anyToStateActions() ) { + out << + " case " << TSA() << "[" << vCS() << "] \n"; + TO_STATE_ACTION_SWITCH() << + " end\n" + "\n"; + } + + if ( redFsm->errState != 0 ) { out << - " if " << P() << " == " << vEOF() << "\n"; - - if ( redFsm->anyEofTrans() ) { - out << - " if " << ET() << "[" << vCS() << "] > 0\n" - " _trans = " << ET() << "[" << vCS() << "] - 1;\n" - " _goto_level = _eof_trans\n" - " next;\n" - " end\n"; - } - - if ( redFsm->anyEofActions() ) { - out << - " begin\n" - " case ( " << EA() << "[" << vCS() << "] )\n"; - EOF_ACTION_SWITCH() << - " end\n" - " end\n"; - } - - out << - " end\n" - "\n"; - } - - out << - " end\n" - " if _goto_level <= _out\n" - " break\n" - " end\n" - "end\n"; - - /* Wrapping the execute block. */ - out << " end\n"; -} - - -void RubyFTabCodeGen::calcIndexSize() -{ - int sizeWithInds = 0, sizeWithoutInds = 0; - - /* Calculate cost of using with indicies. */ - for ( RedStateList::Iter st = redFsm->stateList; st.lte(); st++ ) { - int totalIndex = st->outSingle.length() + st->outRange.length() + - (st->defTrans == 0 ? 0 : 1); - sizeWithInds += arrayTypeSize(redFsm->maxIndex) * totalIndex; - } - sizeWithInds += arrayTypeSize(redFsm->maxState) * redFsm->transSet.length(); - if ( redFsm->anyActions() ) - sizeWithInds += arrayTypeSize(redFsm->maxActListId) * redFsm->transSet.length(); - - /* Calculate the cost of not using indicies. */ - for ( RedStateList::Iter st = redFsm->stateList; st.lte(); st++ ) { - int totalIndex = st->outSingle.length() + st->outRange.length() + - (st->defTrans == 0 ? 0 : 1); - sizeWithoutInds += arrayTypeSize(redFsm->maxState) * totalIndex; - if ( redFsm->anyActions() ) - sizeWithoutInds += arrayTypeSize(redFsm->maxActListId) * totalIndex; - } - - /* If using indicies reduces the size, use them. */ - useIndicies = sizeWithInds < sizeWithoutInds; -} - -/* - * Local Variables: - * mode: c++ - * indent-tabs-mode: 1 - * c-file-style: "bsd" - * End: - */ + " if " << vCS() << " == " << redFsm->errState->id << "\n" + " _goto_level = _out\n" + " next\n" + " end\n"; + } + + out << " " << P() << " += 1\n"; + + if ( !noEnd ) { + out << + " if " << P() << " != " << PE() << "\n" + " _goto_level = _resume\n" + " next\n" + " end\n"; + } + else { + out << + " _goto_level = _resume\n" + " next\n"; + } + + /* The test eof label. */ + out << + " end\n" + " if _goto_level <= _test_eof\n"; + + if ( redFsm->anyEofTrans() || redFsm->anyEofActions() ) { + out << + " if " << P() << " == " << vEOF() << "\n"; + + if ( redFsm->anyEofTrans() ) { + out << + " if " << ET() << "[" << vCS() << "] > 0\n" + " _trans = " << ET() << "[" << vCS() << "] - 1;\n" + " _goto_level = _eof_trans\n" + " next;\n" + " end\n"; + } + + if ( redFsm->anyEofActions() ) { + out << + " begin\n" + " case ( " << EA() << "[" << vCS() << "] )\n"; + EOF_ACTION_SWITCH() << + " end\n" + " end\n"; + } + + out << + " end\n" + "\n"; + } + + out << + " end\n" + " if _goto_level <= _out\n" + " break\n" + " end\n" + "end\n"; + + /* Wrapping the execute block. */ + out << " end\n"; +} + + +void RubyFTabCodeGen::calcIndexSize() +{ + int sizeWithInds = 0, sizeWithoutInds = 0; + + /* Calculate cost of using with indicies. */ + for ( RedStateList::Iter st = redFsm->stateList; st.lte(); st++ ) { + int totalIndex = st->outSingle.length() + st->outRange.length() + + (st->defTrans == 0 ? 0 : 1); + sizeWithInds += arrayTypeSize(redFsm->maxIndex) * totalIndex; + } + sizeWithInds += arrayTypeSize(redFsm->maxState) * redFsm->transSet.length(); + if ( redFsm->anyActions() ) + sizeWithInds += arrayTypeSize(redFsm->maxActListId) * redFsm->transSet.length(); + + /* Calculate the cost of not using indicies. */ + for ( RedStateList::Iter st = redFsm->stateList; st.lte(); st++ ) { + int totalIndex = st->outSingle.length() + st->outRange.length() + + (st->defTrans == 0 ? 0 : 1); + sizeWithoutInds += arrayTypeSize(redFsm->maxState) * totalIndex; + if ( redFsm->anyActions() ) + sizeWithoutInds += arrayTypeSize(redFsm->maxActListId) * totalIndex; + } + + /* If using indicies reduces the size, use them. */ + useIndicies = sizeWithInds < sizeWithoutInds; +} + +/* + * Local Variables: + * mode: c++ + * indent-tabs-mode: 1 + * c-file-style: "bsd" + * End: + */ |