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/*
* Copyright 2001-2007 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.
*/
#ifndef _RLPARSE_H
#define _RLPARSE_H
#include <iostream>
#include "avltree.h"
#include "parsedata.h"
/* Import scanner tokens. */
#define IMP_Word 128
#define IMP_Literal 129
#define IMP_UInt 130
#define IMP_Define 131
struct ParamList;
struct TokHead
{
TokHead *next;
};
struct Parser6
{
%%{
parser Parser6;
# General tokens.
token TK_Word, TK_Literal, TK_EndSection, TK_UInt, TK_Hex,
TK_Word, TK_Literal, TK_DotDot, TK_ColonGt, TK_ColonGtGt, TK_LtColon,
TK_Arrow, TK_DoubleArrow, TK_StarStar, TK_ColonEquals, TK_BarEquals,
TK_NameSep, TK_BarStar, TK_DashDash, TK_DotDotIndep;
# Conditions.
token TK_StartCond, TK_AllCond, TK_LeavingCond;
# State embedding actions.
token TK_Middle;
# Global error actions.
token TK_StartGblError, TK_AllGblError, TK_FinalGblError,
TK_NotFinalGblError, TK_NotStartGblError, TK_MiddleGblError;
# Local error actions.
token TK_StartLocalError, TK_AllLocalError, TK_FinalLocalError,
TK_NotFinalLocalError, TK_NotStartLocalError, TK_MiddleLocalError;
# EOF Action embedding.
token TK_StartEOF, TK_AllEOF, TK_FinalEOF, TK_NotFinalEOF, TK_NotStartEOF,
TK_MiddleEOF;
# To State Actions.
token TK_StartToState, TK_AllToState, TK_FinalToState, TK_NotFinalToState,
TK_NotStartToState, TK_MiddleToState;
# In State Actions.
token TK_StartFromState, TK_AllFromState, TK_FinalFromState,
TK_NotFinalFromState, TK_NotStartFromState, TK_MiddleFromState;
token TK_ColonNfaOpen, TK_CloseColon, TK_ColonCondOpen,
TK_ColonCondStarOpen, TK_ColonCondPlusOpen, TK_ColonNoMaxOpen;
# Regular expression tokens. */
token RE_Slash, RE_SqOpen, RE_SqOpenNeg, RE_SqClose, RE_Dot, RE_Star,
RE_Dash, RE_Char;
# Tokens specific to inline code.
token IL_WhiteSpace, IL_Comment, IL_Literal, IL_Symbol;
# Keywords.
token KW_Machine, KW_Include, KW_Import, KW_Write, KW_Action, KW_AlphType,
KW_Range, KW_GetKey, KW_Include, KW_Write, KW_Machine, KW_InWhen,
KW_When, KW_OutWhen, KW_Eof, KW_Err, KW_Lerr, KW_To, KW_From,
KW_Export, KW_PrePush, KW_PostPop, KW_Length, KW_NfaPrePush, KW_NfaPostPop;
# Specials in code blocks.
token KW_Break, KW_Exec, KW_Hold, KW_PChar, KW_Char, KW_Goto, KW_Call,
KW_Ret, KW_CurState, KW_TargState, KW_Entry, KW_Next, KW_Exec,
KW_Variable, KW_Access, KW_Ncall, KW_Nret, KW_Nbreak;
token TK_SubstRef;
}%%
%% write instance_data;
void init();
int parseLangEl( int type, const Token *token );
void clear();
Parser6( InputData *id, const char *fileName, char *sectionName,
const InputLoc §ionLoc, const HostLang *hostLang,
MinimizeLevel minimizeLevel,
MinimizeOpt minimizeOpt );
int token( InputLoc &loc, int tokId, char *tokstart, int toklen );
void tryMachineDef( const InputLoc &loc, char *name,
MachineDef *machineDef, bool isInstance );
/* Report an error encountered by the parser. */
ostream &parse_error( int tokId, Token &token );
ParseData *pd;
/* The name of the root section, this does not change during an include. */
char *sectionName;
const HostLang *hostLang;
NameRef nameRef;
NameRefList nameRefList;
Vector<bool> exportContext;
TokHead *tokHead;
ActionParamList *paramList;
Parser6 *prev, *next;
void terminateParser();
bool parseSubstitutions;
};
%% write token_defs;
void clearTokdata( Parser6 *parser );
#endif
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