Esempio n. 1
0
void CSharpFlatCodeGen::COND_TRANSLATE()
{
	out << 
		"	_widec = " << GET_KEY() << ";\n";

	out <<
		"   _keys = " << vCS() << "<<1;\n"
		"   _conds = " << CO() << "[" << vCS() << "];\n"
//		"	_keys = " << ARR_OFF( CK(), "(" + vCS() + "<<1)" ) << ";\n"
//		"	_conds = " << ARR_OFF( C(), CO() + "[" + vCS() + "]" ) << ";\n"
		"\n"
		"	_slen = " << CSP() << "[" << vCS() << "];\n"
		"	if (_slen > 0 && " << CK() << "[_keys] <=" 
			<< GET_WIDE_KEY() << " &&\n"
		"		" << GET_WIDE_KEY() << " <= " << CK() << "[_keys+1])\n"
		"		_cond = " << C() << "[_conds+" << GET_WIDE_KEY() << " - " << 
			CK() << "[_keys]];\n"
		"	else\n"
		"		_cond = 0;"
		"\n";
	/*  XXX This version of the code doesn't work because Mono is weird.  Works
	 *  fine in Microsoft's csc, even though the bug report filed claimed it
	 *  didn't.
		"	_slen = " << CSP() << "[" << vCS() << "];\n"
		"	_cond = _slen > 0 && " << CK() << "[_keys] <=" 
			<< GET_WIDE_KEY() << " &&\n"
		"		" << GET_WIDE_KEY() << " <= " << CK() << "[_keys+1] ?\n"
		"		" << C() << "[_conds+" << GET_WIDE_KEY() << " - " << CK() 
			<< "[_keys]] : 0;\n"
		"\n";
		*/
	out <<
		"	switch ( _cond ) {\n";
	for ( CondSpaceList::Iter csi = condSpaceList; csi.lte(); csi++ ) {
		GenCondSpace *condSpace = csi;
		out << "	case " << condSpace->condSpaceId + 1 << ": {\n";
		out << TABS(2) << "_widec = " << CAST(WIDE_ALPH_TYPE()) << "(" <<
				KEY(condSpace->baseKey) << " + (" << GET_KEY() << 
				" - " << KEY(keyOps->minKey) << "));\n";

		for ( GenCondSet::Iter csi = condSpace->condSet; csi.lte(); csi++ ) {
			out << TABS(2) << "if ( ";
			CONDITION( out, *csi );
			Size condValOffset = ((1 << csi.pos()) * keyOps->alphSize());
			out << " ) _widec += " << condValOffset << ";\n";
		}

		out << "		}\n";
		out << "		break;\n";
	}

	SWITCH_DEFAULT();

	out <<
		"	}\n";
}
Esempio n. 2
0
void CSharpTabCodeGen::COND_TRANSLATE()
{
    out <<
        "	_widec = " << GET_KEY() << ";\n"
        "	_klen = " << CL() << "[" << vCS() << "];\n"
        "	_keys = " << CAST(keysType) << " ("<< CO() << "[" << vCS() << "]*2);\n"
        "	if ( _klen > 0 ) {\n"
        "		" << signedKeysType << " _lower = _keys;\n"
        "		" << signedKeysType << " _mid;\n"
        "		" << signedKeysType << " _upper = " << CAST(signedKeysType) <<
        " (_keys + (_klen<<1) - 2);\n"
        "		while (true) {\n"
        "			if ( _upper < _lower )\n"
        "				break;\n"
        "\n"
        "			_mid = " << CAST(signedKeysType) <<
        " (_lower + (((_upper-_lower) >> 1) & ~1));\n"
        "			if ( " << GET_WIDE_KEY() << " < " << CK() << "[_mid] )\n"
        "				_upper = " << CAST(signedKeysType) << " (_mid - 2);\n"
        "			else if ( " << GET_WIDE_KEY() << " > " << CK() << "[_mid+1] )\n"
        "				_lower = " << CAST(signedKeysType) << " (_mid + 2);\n"
        "			else {\n"
        "				switch ( " << C() << "[" << CO() << "[" << vCS() << "]"
        " + ((_mid - _keys)>>1)] ) {\n";

    for ( CondSpaceList::Iter csi = condSpaceList; csi.lte(); csi++ ) {
        GenCondSpace *condSpace = csi;
        out << "	case " << condSpace->condSpaceId << ": {\n";
        out << TABS(2) << "_widec = " << CAST(WIDE_ALPH_TYPE()) << "(" <<
            KEY(condSpace->baseKey) << " + (" << GET_KEY() <<
            " - " << KEY(keyOps->minKey) << "));\n";

        for ( GenCondSet::Iter csi = condSpace->condSet; csi.lte(); csi++ ) {
            out << TABS(2) << "if ( ";
            CONDITION( out, *csi );
            Size condValOffset = ((1 << csi.pos()) * keyOps->alphSize());
            out << " ) _widec += " << condValOffset << ";\n";
        }

        out <<
            "		break;\n"
            "	}\n";
    }

    SWITCH_DEFAULT();

    out <<
        "				}\n"
        "				break;\n"
        "			}\n"
        "		}\n"
        "	}\n"
        "\n";
}
Esempio n. 3
0
void TabCodeGen::COND_TRANSLATE()
{
	out << 
		"	_widec = " << GET_KEY() << ";\n"
		"	_klen = " << CL() << "[" << vCS() << "];\n"
		"	_keys = " << ARR_OFF( CK(), "(" + CO() + "[" + vCS() + "]*2)" ) << ";\n"
		"	if ( _klen > 0 ) {\n"
		"		" << PTR_CONST() << WIDE_ALPH_TYPE() << PTR_CONST_END() << POINTER() << "_lower = _keys;\n"
		"		" << PTR_CONST() << WIDE_ALPH_TYPE() << PTR_CONST_END() << POINTER() << "_mid;\n"
		"		" << PTR_CONST() << WIDE_ALPH_TYPE() << PTR_CONST_END() << POINTER() << "_upper = _keys + (_klen<<1) - 2;\n"
		"		while (1) {\n"
		"			if ( _upper < _lower )\n"
		"				break;\n"
		"\n"
		"			_mid = _lower + (((_upper-_lower) >> 1) & ~1);\n"
		"			if ( " << GET_WIDE_KEY() << " < _mid[0] )\n"
		"				_upper = _mid - 2;\n"
		"			else if ( " << GET_WIDE_KEY() << " > _mid[1] )\n"
		"				_lower = _mid + 2;\n"
		"			else {\n"
		"				switch ( " << C() << "[" << CO() << "[" << vCS() << "]"
							" + ((_mid - _keys)>>1)] ) {\n";

	for ( CondSpaceList::Iter csi = condSpaceList; csi.lte(); csi++ ) {
		GenCondSpace *condSpace = csi;
		out << "	case " << condSpace->condSpaceId << ": {\n";
		out << TABS(2) << "_widec = " << CAST(WIDE_ALPH_TYPE()) << "(" <<
				KEY(condSpace->baseKey) << " + (" << GET_KEY() << 
				" - " << KEY(keyOps->minKey) << "));\n";

		for ( GenCondSet::Iter csi = condSpace->condSet; csi.lte(); csi++ ) {
			out << TABS(2) << "if ( ";
			CONDITION( out, *csi );
			Size condValOffset = ((1 << csi.pos()) * keyOps->alphSize());
			out << " ) _widec += " << condValOffset << ";\n";
		}

		out << 
			"		break;\n"
			"	}\n";
	}

	SWITCH_DEFAULT();

	out << 
		"				}\n"
		"				break;\n"
		"			}\n"
		"		}\n"
		"	}\n"
		"\n";
}
Esempio n. 4
0
void RbxGotoCodeGen::COND_TRANSLATE( GenStateCond *stateCond, int level )
{
	GenCondSpace *condSpace = stateCond->condSpace;
	out << TABS(level) << "_widec = " <<
		KEY(condSpace->baseKey) << " + (" << GET_KEY() << 
		" - " << KEY(keyOps->minKey) << ");\n";

	for ( GenCondSet::Iter csi = condSpace->condSet; csi.lte(); csi++ ) {
		out << TABS(level) << "if ";
		CONDITION( out, *csi );
		Size condValOffset = ((1 << csi.pos()) * keyOps->alphSize());
		out << "\n _widec += " << condValOffset << ";\n end";
	}
}
Esempio n. 5
0
void CSharpGotoCodeGen::COND_TRANSLATE( GenStateCond *stateCond, int level )
{
	GenCondSpace *condSpace = stateCond->condSpace;
	out << TABS(level) << L"_widec = " << CAST(WIDE_ALPH_TYPE()) << L"(" <<
			KEY(condSpace->baseKey) << L" + (" << GET_KEY() << 
			L" - " << KEY(keyOps->minKey) << L"));\n";

	for ( GenCondSet::Iter csi = condSpace->condSet; csi.lte(); csi++ ) {
		out << TABS(level) << L"if ( ";
		CONDITION( out, *csi );
		Size condValOffset = ((1 << csi.pos()) * keyOps->alphSize());
		out << L" ) _widec += " << condValOffset << L";\n";
	}
}
Esempio n. 6
0
void RubyTabCodeGen::COND_TRANSLATE()
{
    out <<
        "	_widec = " << GET_KEY() << "\n"
        "	_keys = " << CO() << "[" << vCS() << "]*2\n"
        "	_klen = " << CL() << "[" << vCS() << "]\n"
        "	if _klen > 0\n"
        "		_lower = _keys\n"
        "		_upper = _keys + (_klen<<1) - 2\n"
        "		loop do\n"
        "			break if _upper < _lower\n"
        "			_mid = _lower + (((_upper-_lower) >> 1) & ~1)\n"
        "			if " << GET_WIDE_KEY() << " < " << CK() << "[_mid]\n"
        "				_upper = _mid - 2\n"
        "			elsif " << GET_WIDE_KEY() << " > " << CK() << "[_mid+1]\n"
        "				_lower = _mid + 2\n"
        "			else\n"
        "				case " << C() << "[" << CO() << "[" << vCS() << "]"
        " + ((_mid - _keys)>>1)]\n";

    for ( CondSpaceList::Iter csi = condSpaceList; csi.lte(); csi++ ) {
        GenCondSpace *condSpace = csi;
        out << "	when " << condSpace->condSpaceId << " then" ;
        out << "	_widec = " << KEY(condSpace->baseKey) <<
            "+ (" << GET_KEY() << " - " << KEY(keyOps->minKey) << ")\n";

        for ( GenCondSet::Iter csi = condSpace->condSet; csi.lte(); csi++ ) {
            Size condValOffset = ((1 << csi.pos()) * keyOps->alphSize());
            out << "	_widec += " << condValOffset << " if ( ";
            CONDITION( out, *csi );
            out << " )\n";
        }
    }

    out <<
        "				end # case\n"
        "			end\n"
        "		end # loop\n"
        "	end\n";
}
Esempio n. 7
0
void FlatCodeGen::COND_TRANSLATE()
{
	out << 
		"	_widec = " << GET_KEY() << ";\n";

	out <<
		"	_keys = " << ARR_OFF( CK(), "(" + vCS() + "<<1)" ) << ";\n"
		"	_conds = " << ARR_OFF( C(), CO() + "[" + vCS() + "]" ) << ";\n"
		"\n"
		"	_slen = " << CSP() << "[" << vCS() << "];\n"
		"	_cond = _slen > 0 && _keys[0] <=" << GET_WIDE_KEY() << " &&\n"
		"		" << GET_WIDE_KEY() << " <= _keys[1] ?\n"
		"		_conds[" << GET_WIDE_KEY() << " - _keys[0]] : 0;\n"
		"\n";

	out <<
		"	switch ( _cond ) {\n";
	for ( CondSpaceList::Iter csi = condSpaceList; csi.lte(); csi++ ) {
		GenCondSpace *condSpace = csi;
		out << "	case " << condSpace->condSpaceId + 1 << ": {\n";
		out << TABS(2) << "_widec = " << CAST(WIDE_ALPH_TYPE()) << "(" <<
				KEY(condSpace->baseKey) << " + (" << GET_KEY() << 
				" - " << KEY(keyOps->minKey) << "));\n";

		for ( GenCondSet::Iter csi = condSpace->condSet; csi.lte(); csi++ ) {
			out << TABS(2) << "if ( ";
			CONDITION( out, *csi );
			Size condValOffset = ((1 << csi.pos()) * keyOps->alphSize());
			out << " ) _widec += " << condValOffset << ";\n";
		}

		out << "		}\n";
		out << "		break;\n";
	}

	SWITCH_DEFAULT();

	out <<
		"	}\n";
}
Esempio n. 8
0
std::ostream &GraphvizDotGen::ONCHAR( Key lowKey, Key highKey )
{
	GenCondSpace *condSpace;
	if ( lowKey > keyOps->maxKey && (condSpace=findCondSpace(lowKey, highKey) ) ) {
		Key values = ( lowKey - condSpace->baseKey ) / keyOps->alphSize();

		lowKey = keyOps->minKey + 
			(lowKey - condSpace->baseKey - keyOps->alphSize() * values.getVal());
		highKey = keyOps->minKey + 
			(highKey - condSpace->baseKey - keyOps->alphSize() * values.getVal());
		KEY( lowKey );
		if ( lowKey != highKey ) {
			out << "..";
			KEY( highKey );
		}
		out << "(";

		for ( GenCondSet::Iter csi = condSpace->condSet; csi.lte(); csi++ ) {
			bool set = values & (1 << csi.pos());
			if ( !set )
				out << "!";
			out << (*csi)->nameOrLoc();
			if ( !csi.last() )
				out << ", ";
		}
		out << ")";
	}
	else {
		/* Output the key. Possibly a range. */
		KEY( lowKey );
		if ( highKey != lowKey ) {
			out << "..";
			KEY( highKey );
		}
	}
	return out;
}