obs/Source/CodeTokenizer.h

51 lines
1.7 KiB
C

/********************************************************************************
Copyright (C) 2012 Hugh Bailey <obs.jim@gmail.com>
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
********************************************************************************/
#pragma once
//this is a stripped down version of one of my compiler classes in my game engine
struct CodeTokenizer
{
String dupString;
TSTR lpCode, lpTemp;
inline CodeTokenizer() {lpCode = lpTemp = NULL;}
inline void SetCodeStart(CTSTR lpCodeIn)
{
dupString = lpCodeIn;
lpTemp = lpCode = dupString;
}
BOOL GetNextToken(String &token, BOOL bPeek=FALSE);
BOOL GetNextTokenEval(String &token, BOOL *bFloatOccurance=NULL, int curPrecedence=0);
BOOL IsClosingToken(const String &token, CTSTR lpTokenPriority);
BOOL PassBracers(TSTR lpCodePos);
BOOL PassParenthesis(TSTR lpCodePos);
BOOL PassString(TSTR lpCodePos);
BOOL GotoToken(CTSTR lpTarget, BOOL bPassToken=FALSE);
BOOL GotoClosingToken(CTSTR lpTokenPriority);
static int GetTokenPrecedence(CTSTR lpToken);
};