Exemplo n.º 1
0
void FsmCodeGen::LM_SWITCH( ostream &ret, InlineItem *item, 
		int targState, int inFinish )
{
	ret << 
		"	switch( " << ACT() << " ) {\n";

	/* If the switch handles error then we also forced the error state. It
	 * will exist. */
	if ( item->handlesError ) {
		ret << "	case 0: " << TOKEND() << " = " << TOKSTART() << "; ";
		GOTO( ret, redFsm->errState->id, inFinish );
		ret << "\n";
	}

	for ( InlineList::Iter lma = *item->children; lma.lte(); lma++ ) {
		/* Write the case label, the action and the case break. */
		ret << "	case " << lma->lmId << ":\n";

		/* Write the block and close it off. */
		ret << "	{";
		INLINE_LIST( ret, lma->children, targState, inFinish );
		ret << "}\n";

		ret << "	break;\n";
	}
	/* Default required for D code. */
	ret << 
		"	default: break;\n"
		"	}\n"
		"\t";
}
Exemplo n.º 2
0
/* Write out an inline tree structure. Walks the list and possibly calls out
 * to virtual functions than handle language specific items in the tree. */
void FsmCodeGen::INLINE_LIST( ostream &ret, InlineList *inlineList, 
		int targState, bool inFinish )
{
	for ( InlineList::Iter item = *inlineList; item.lte(); item++ ) {
		switch ( item->type ) {
		case InlineItem::Text:
			ret << item->data;
			break;
		case InlineItem::Goto:
			GOTO( ret, item->targState->id, inFinish );
			break;
		case InlineItem::Call:
			CALL( ret, item->targState->id, targState, inFinish );
			break;
		case InlineItem::Next:
			NEXT( ret, item->targState->id, inFinish );
			break;
		case InlineItem::Ret:
			RET( ret, inFinish );
			break;
		case InlineItem::PChar:
			ret << P();
			break;
		case InlineItem::Char:
			ret << GET_KEY();
			break;
		case InlineItem::Hold:
			ret << P() << "--;";
			break;
		case InlineItem::Exec:
			EXEC( ret, item, targState, inFinish );
			break;
		case InlineItem::HoldTE:
			ret << TOKEND() << "--;";
			break;
		case InlineItem::ExecTE:
			EXECTE( ret, item, targState, inFinish );
			break;
		case InlineItem::Curs:
			CURS( ret, inFinish );
			break;
		case InlineItem::Targs:
			TARGS( ret, inFinish, targState );
			break;
		case InlineItem::Entry:
			ret << item->targState->id;
			break;
		case InlineItem::GotoExpr:
			GOTO_EXPR( ret, item, inFinish );
			break;
		case InlineItem::CallExpr:
			CALL_EXPR( ret, item, targState, inFinish );
			break;
		case InlineItem::NextExpr:
			NEXT_EXPR( ret, item, inFinish );
			break;
		case InlineItem::LmSwitch:
			LM_SWITCH( ret, item, targState, inFinish );
			break;
		case InlineItem::LmSetActId:
			SET_ACT( ret, item );
			break;
		case InlineItem::LmSetTokEnd:
			SET_TOKEND( ret, item );
			break;
		case InlineItem::LmGetTokEnd:
			GET_TOKEND( ret, item );
			break;
		case InlineItem::LmInitTokStart:
			INIT_TOKSTART( ret, item );
			break;
		case InlineItem::LmInitAct:
			INIT_ACT( ret, item );
			break;
		case InlineItem::LmSetTokStart:
			SET_TOKSTART( ret, item );
			break;
		case InlineItem::SubAction:
			SUB_ACTION( ret, item, targState, inFinish );
			break;
		case InlineItem::Break:
			BREAK( ret, targState );
			break;
		}
	}
}
Exemplo n.º 3
0
void BackendGen::makeGenInlineList( GenInlineList *outList, InlineList *inList )
{
	for ( InlineList::Iter item = *inList; item.lte(); item++ ) {
		switch ( item->type ) {
		case InlineItem::Text:
			makeText( outList, item );
			break;
		case InlineItem::Goto:
			makeTargetItem( outList, item->nameTarg, GenInlineItem::Goto );
			break;
		case InlineItem::GotoExpr:
			makeSubList( outList, item->children, GenInlineItem::GotoExpr );
			break;
		case InlineItem::Call:
			makeTargetItem( outList, item->nameTarg, GenInlineItem::Call );
			break;
		case InlineItem::CallExpr:
			makeSubList( outList, item->children, GenInlineItem::CallExpr );
			break;
		case InlineItem::Next:
			makeTargetItem( outList, item->nameTarg, GenInlineItem::Next );
			break;
		case InlineItem::NextExpr:
			makeSubList( outList, item->children, GenInlineItem::NextExpr );
			break;
		case InlineItem::Break:
			outList->append( new GenInlineItem( InputLoc(), GenInlineItem::Break ) );
			break;
		case InlineItem::Ret: 
			outList->append( new GenInlineItem( InputLoc(), GenInlineItem::Ret ) );
			break;
		case InlineItem::PChar:
			outList->append( new GenInlineItem( InputLoc(), GenInlineItem::PChar ) );
			break;
		case InlineItem::Char: 
			outList->append( new GenInlineItem( InputLoc(), GenInlineItem::Char ) );
			break;
		case InlineItem::Curs: 
			outList->append( new GenInlineItem( InputLoc(), GenInlineItem::Curs ) );
			break;
		case InlineItem::Targs: 
			outList->append( new GenInlineItem( InputLoc(), GenInlineItem::Targs ) );
			break;
		case InlineItem::Entry:
			makeTargetItem( outList, item->nameTarg, GenInlineItem::Entry );
			break;

		case InlineItem::Hold:
			outList->append( new GenInlineItem( InputLoc(), GenInlineItem::Hold ) );
			break;
		case InlineItem::Exec:
			makeSubList( outList, item->children, GenInlineItem::Exec );
			break;

		case InlineItem::LmSetActId:
			makeSetAct( outList, item->longestMatchPart->longestMatchId );
			break;
		case InlineItem::LmSetTokEnd:
			makeSetTokend( outList, 1 );
			break;

		case InlineItem::LmOnLast:
			makeLmOnLast( outList, item );
			break;
		case InlineItem::LmOnNext:
			makeLmOnNext( outList, item );
			break;
		case InlineItem::LmOnLagBehind:
			makeLmOnLagBehind( outList, item );
			break;
		case InlineItem::LmSwitch: 
			makeLmSwitch( outList, item );
			break;

		case InlineItem::LmInitAct:
			outList->append( new GenInlineItem( InputLoc(), GenInlineItem::LmInitAct ) );
			break;
		case InlineItem::LmInitTokStart:
			outList->append( new GenInlineItem( InputLoc(), GenInlineItem::LmInitTokStart ) );
			break;
		case InlineItem::LmSetTokStart:
			outList->append( new GenInlineItem( InputLoc(), GenInlineItem::LmSetTokStart ) );
			cgd->hasLongestMatch = true;
			break;
		}
	}
}
Exemplo n.º 4
0
void XMLCodeGen::writeInlineList( InlineList *inlineList )
{
	for ( InlineList::Iter item = *inlineList; item.lte(); item++ ) {
		switch ( item->type ) {
		case InlineItem::Text:
			writeText( item );
			break;
		case InlineItem::Goto:
			writeGoto( item );
			break;
		case InlineItem::GotoExpr:
			writeGotoExpr( item );
			break;
		case InlineItem::Call:
			writeCall( item );
			break;
		case InlineItem::CallExpr:
			writeCallExpr( item );
			break;
		case InlineItem::Next:
			writeNext( item );
			break;
		case InlineItem::NextExpr:
			writeNextExpr( item );
			break;
		case InlineItem::Break:
			out << "<break></break>";
			break;
		case InlineItem::Ret: 
			out << "<ret></ret>";
			break;
		case InlineItem::PChar:
			out << "<pchar></pchar>";
			break;
		case InlineItem::Char: 
			out << "<char></char>";
			break;
		case InlineItem::Curs: 
			out << "<curs></curs>";
			break;
		case InlineItem::Targs: 
			out << "<targs></targs>";
			break;
		case InlineItem::Entry:
			writeEntry( item );
			break;

		case InlineItem::Hold:
			out << "<hold></hold>";
			break;
		case InlineItem::Exec:
			writeActionExec( item );
			break;

		case InlineItem::LmSetActId:
			out << "<set_act>" << 
					item->longestMatchPart->longestMatchId << 
					"</set_act>";
			break;
		case InlineItem::LmSetTokEnd:
			out << "<set_tokend>1</set_tokend>";
			break;

		case InlineItem::LmOnLast:
			writeLmOnLast( item );
			break;
		case InlineItem::LmOnNext:
			writeLmOnNext( item );
			break;
		case InlineItem::LmOnLagBehind:
			writeLmOnLagBehind( item );
			break;
		case InlineItem::LmSwitch: 
			writeLmSwitch( item );
			break;

		case InlineItem::LmInitAct:
			out << "<init_act></init_act>";
			break;
		case InlineItem::LmInitTokStart:
			out << "<init_tokstart></init_tokstart>";
			break;
		case InlineItem::LmSetTokStart:
			out << "<set_tokstart></set_tokstart>";
			break;
		}
	}
}