// $Log: asparse2.hpp,v $
// Revision 1.2 2011/04/14 15:13:09 doug
// get ready for release to wiki and server
//
//
// ---------------------------------------------------
// asparse.hpp 21-Feb-11 Running on Mac OS X 10.6.6
// S/n 2011-1042-654321 Written by Douglas W. Goodall
// Copyright(c)2011 Douglas W. Goodall, United States.
// ---------------------------------------------------
// This file is part of Vintage Modern Assembler Plus Tools.
//
// VMAPT 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 3 of the License, or
// (at your option) any later version.
//
// VMAPT 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 VMAPT. If not, see <http://www.gnu.org/licenses/>.
//
static char szAsparseHpp[] = "$Id: asparse2.hpp,v 1.2 2011/04/14 15:13:09 doug Exp $";
void asparse(void)
{
sprintf(g_szAsparseHpp,"%s %s %s",__FILE__,__TIME__,__DATE__);
fprintf(g_flog,"\nsrc: %s\n",g_szBuffer);
memset(g_szLabel,0,sizeof(g_szLabel));
memset(g_szOpcode,0,sizeof(g_szOpcode));
memset(g_szParms,0,sizeof(g_szParms));
memset(g_szComments,0,sizeof(g_szComments));
int pindex = 0;
g_iState = 0;
g_iBytesIndex = 0;
while(pindex < strlen(g_szBuffer)) {
g_cToken = g_szBuffer[pindex++];
switch(g_iState) {
case 0: // looking for label start
if(g_bDebug) {
printf("0");
}
if(' ' == g_cToken) {
g_iState = 2; // looking for g_szOpcode start
break;
}
if(ASCII_TAB == g_cToken) {
g_iState = 2; // looking for g_szOpcode start
break;
}
if(';' == g_cToken) {
g_bComments = 1;
g_iState = 7;
g_szComments[strlen(g_szComments)] = g_cToken;
break;
}
g_iState = 1;
g_szLabel[strlen(g_szLabel)] = g_cToken;
g_bLabel = 1;
break;
case 1: // process label character
if(g_bDebug) {
printf("1");
}
if(':' == g_cToken) {
g_iState = 2; // wait for g_szOpcode
break;
}
if(' ' == g_cToken) {
g_iState = 2; // wait for g_szOpcode
break;
}
if(ASCII_TAB == g_cToken) {
g_iState = 2; // wait for g_szOpcode
break;
}
g_szLabel[strlen(g_szLabel)] = g_cToken;
g_bLabel = 1;
break;
case 2: // wait for g_szOpcode
if(g_bDebug) {
printf("2");
}
if(';' == g_cToken) {
g_iState = 6; // wait for g_szOpcode
break;
g_szComments[strlen(g_szComments)] = g_cToken;
}
if(' ' == g_cToken) {
break;
}
if(ASCII_TAB == g_cToken) {
break;
}
g_szOpcode[strlen(g_szOpcode)] = g_cToken;
g_bOpcode = 1;
g_iState = 3;
break;
case 3: // process g_szOpcode
if(g_bDebug) {
printf("3");
}
if(' ' == g_cToken) {
g_iState = 4; // waiting for parm
break;
}
if(ASCII_TAB == g_cToken) {
g_iState = 4; // waiting for parm
break;
}
g_szOpcode[strlen(g_szOpcode)] = g_cToken;
g_bOpcode = 1;
break;
case 4: // wait for parm
if(g_bDebug) {
printf("4");
}
if(' ' == g_cToken) {
break;
}
if(ASCII_TAB == g_cToken) {
break;
}
g_iState = 5; // process parm
g_szParms[strlen(g_szParms)] = g_cToken;
g_bParms = 1;
break;
case 5: // process parm
if(g_bDebug) {
printf("5");
}
if(ASCII_TAB == g_cToken) {
g_iState = 6;
break;
}
// tabs are required to separate parms from comments
// if(ASCII_SPACE == g_cToken) {
// g_iState = 6;
// break;
// }
// added 3/12/2011 dwg -
// handle g_szParms succeeded by semicolon
// without intervening spaces
if(ASCII_SEMI == g_cToken) {
g_iState = 7;
g_szComments[strlen(g_szComments)] = g_cToken;
g_bComments = 1;
break;
}
g_szParms[strlen(g_szParms)] = g_cToken;
g_bParms = 1;
break;
case 6: // waiting for remark
if(g_bDebug) {
printf("6");
}
if(' ' == g_cToken) {
break;
}
if(ASCII_TAB == g_cToken) {
break;
}
g_iState = 7;
g_szComments[strlen(g_szComments)] = g_cToken;
g_bComments = 1;
break;
case 7: // process remark
if(g_bDebug) {
printf("7");
}
if('\n' == g_cToken) {
break;
}
g_szComments[strlen(g_szComments)] = g_cToken;
g_bComments = 1;
break;
};
};
fprintf(g_flog,"label[%d] g_szOpcode[%d] g_szParms[%d] comments[%d]\n",
strlen(g_szLabel),strlen(g_szOpcode),strlen(g_szParms),strlen(g_szComments));
}
// eof - asparse.hpp