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Diffstat (limited to 'colm/fsmcodegen.h')
| -rw-r--r-- | colm/fsmcodegen.h | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/colm/fsmcodegen.h b/colm/fsmcodegen.h deleted file mode 100644 index 41cd88ec..00000000 --- a/colm/fsmcodegen.h +++ /dev/null @@ -1,212 +0,0 @@ -/* - * Copyright 2001-2012 Adrian Thurston <thurston@complang.org> - */ - -/* This file is part of Colm. - * - * Colm 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. - * - * Colm 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 Colm; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef _FSMCODEGEN_H -#define _FSMCODEGEN_H - -#include <iostream> -#include <string> -#include <stdio.h> -#include "keyops.h" -#include "parsedata.h" -#include "redfsm.h" -#include "fsmrun.h" - -using std::string; -using std::ostream; - -/* Integer array line length. */ -#define IALL 8 - -/* Forwards. */ -struct RedFsm; -struct RedState; -struct GenAction; -struct NameInst; -struct RedAction; -struct LongestMatch; -struct TokenDef; -struct InlineList; -struct InlineItem; -struct NameInst; -struct FsmCodeGen; - -typedef unsigned long ulong; -typedef unsigned char uchar; - - -/* - * The interface to the parser - */ - -std::ostream *openOutput( char *inputFile ); - -inline string itoa( int i ) -{ - char buf[16]; - sprintf( buf, "%i", i ); - return buf; -} - -/* - * class FsmCodeGen - */ -class FsmCodeGen -{ -public: - FsmCodeGen( const char *sourceFileName, const char *fsmName, ostream &out, - RedFsm *redFsm, FsmTables *fsmTables ); - -protected: - string FSM_NAME(); - string START_STATE_ID(); - ostream &ACTIONS_ARRAY(); - string GET_WIDE_KEY(); - string GET_WIDE_KEY( RedState *state ); - string TABS( int level ); - string KEY( Key key ); - string LDIR_PATH( char *path ); - void ACTION( ostream &ret, GenAction *action, int targState, bool inFinish ); - void CONDITION( ostream &ret, GenAction *condition ); - string ALPH_TYPE(); - string WIDE_ALPH_TYPE(); - string ARRAY_TYPE( unsigned long maxVal ); - - string ARR_OFF( string ptr, string offset ); - string CAST( string type ); - string UINT(); - string GET_KEY(); - - string ACCESS() { return "fsmRun->"; } - - string P() { return ACCESS() + "p"; } - string PE() { return ACCESS() + "pe"; } - string PEOF() { return ACCESS() + "peof"; } - - string CS(); - string TOP() { return ACCESS() + "top"; } - string TOKSTART() { return ACCESS() + "tokstart"; } - string TOKEND() { return ACCESS() + "tokend"; } - string ACT() { return ACCESS() + "act"; } - string MATCHED_TOKEN() { return ACCESS() + "matchedToken"; } - - string DATA_PREFIX(); - - string START() { return DATA_PREFIX() + "start"; } - string ERROR() { return DATA_PREFIX() + "error"; } - string FIRST_FINAL() { return DATA_PREFIX() + "first_final"; } - - string ENTRY_BY_REGION() { return DATA_PREFIX() + "entryByRegion"; } - - - void INLINE_LIST( ostream &ret, InlineList *inlineList, - int targState, bool inFinish ); - void EXEC_TOKEND( ostream &ret, InlineItem *item, int targState, int inFinish ); - void EXECTE( ostream &ret, InlineItem *item, int targState, int inFinish ); - void LM_SWITCH( ostream &ret, InlineItem *item, int targState, int inFinish ); - void SET_ACT( ostream &ret, InlineItem *item ); - void INIT_TOKSTART( ostream &ret, InlineItem *item ); - void INIT_ACT( ostream &ret, InlineItem *item ); - void SET_TOKSTART( ostream &ret, InlineItem *item ); - void SET_TOKEND( ostream &ret, InlineItem *item ); - void GET_TOKEND( ostream &ret, InlineItem *item ); - void SUB_ACTION( ostream &ret, InlineItem *item, int targState, bool inFinish ); - void LM_ON_LAST( ostream &ret, InlineItem *item ); - void LM_ON_NEXT( ostream &ret, InlineItem *item ); - void LM_ON_LAG_BEHIND( ostream &ret, InlineItem *item ); - void EXEC_TOKEND( ostream &ret ); - void EMIT_TOKEN( ostream &ret, LangEl *token ); - - string ERROR_STATE(); - string FIRST_FINAL_STATE(); - - string PTR_CONST(); - ostream &OPEN_ARRAY( string type, string name ); - ostream &CLOSE_ARRAY(); - ostream &STATIC_VAR( string type, string name ); - - string CTRL_FLOW(); - - ostream &source_warning(const InputLoc &loc); - ostream &source_error(const InputLoc &loc); - - unsigned int arrayTypeSize( unsigned long maxVal ); - -/* subclass */ - -public: - const char *sourceFileName; - const char *fsmName; - ostream &out; - RedFsm *redFsm; - FsmTables *fsmTables; - int codeGenErrCount; - - /* Write options. */ - bool dataPrefix; - bool writeFirstFinal; - bool writeErr; - - std::ostream &TO_STATE_ACTION_SWITCH(); - std::ostream &FROM_STATE_ACTION_SWITCH(); - std::ostream &ACTION_SWITCH(); - std::ostream &STATE_GOTOS(); - std::ostream &TRANSITIONS(); - std::ostream &EXEC_FUNCS(); - - unsigned int TO_STATE_ACTION( RedState *state ); - unsigned int FROM_STATE_ACTION( RedState *state ); - - std::ostream &TO_STATE_ACTIONS(); - std::ostream &FROM_STATE_ACTIONS(); - - void COND_TRANSLATE( GenStateCond *stateCond, int level ); - void emitCondBSearch( RedState *state, int level, int low, int high ); - void STATE_CONDS( RedState *state, bool genDefault ); - - void emitSingleSwitch( RedState *state ); - void emitRangeBSearch( RedState *state, int level, int low, int high ); - - std::ostream &EXIT_STATES(); - std::ostream &TRANS_GOTO( RedTrans *trans, int level ); - std::ostream &FINISH_CASES(); - - void writeIncludes(); - void writeData(); - void writeInit(); - void writeExec(); - void writeCode(); - void writeMain(); - -protected: - bool useAgainLabel(); - - /* Called from GotoCodeGen::STATE_GOTOS just before writing the gotos for - * each state. */ - bool IN_TRANS_ACTIONS( RedState *state ); - void GOTO_HEADER( RedState *state ); - void STATE_GOTO_ERROR(); - - /* Set up labelNeeded flag for each state. */ - void setLabelsNeeded(); -}; - -#endif /* _FSMCODEGEN_H */ |