Java Code Examples for org.luaj.vm2.LuaValue#TNIL

The following examples show how to use org.luaj.vm2.LuaValue#TNIL . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: CoerceLuaToJava.java    From XPrivacyLua with GNU General Public License v3.0 6 votes vote down vote up 
public Object coerce(LuaValue value) {
	switch ( value.type() ) {
	case LuaValue.TTABLE: {
		int n = value.length();
		Object a = Array.newInstance(componentType, n);
		for ( int i=0; i<n; i++ )
			Array.set(a, i, componentCoercion.coerce(value.get(i+1)));
		return a;
	}
	case LuaValue.TUSERDATA:
		return value.touserdata();
	case LuaValue.TNIL:
		return null;
	default: 
		return null;
	}
	
}
Example 2
Source File: JavaBuilder.java    From luaj with MIT License 6 votes vote down vote up 
public void loadConstant(LuaValue value) {
	switch ( value.type() ) {
	case LuaValue.TNIL: 
		loadNil();
		break;
	case LuaValue.TBOOLEAN:
		loadBoolean( value.toboolean() );
		break;
	case LuaValue.TNUMBER:
	case LuaValue.TSTRING:
		String name = (String) constants.get(value);
		if ( name == null ) {
			name = value.type() == LuaValue.TNUMBER? 
					value.isinttype()? 
						createLuaIntegerField(value.checkint()):
						createLuaDoubleField(value.checkdouble()):
					createLuaStringField(value.checkstring());
			constants.put(value, name);
		}
		append(factory.createGetStatic(classname, name, TYPE_LUAVALUE));
		break;
	default:
		throw new IllegalArgumentException("bad constant type: "+value.type());
	}
}
Example 3
Source File: CoerceLuaToJava.java    From HtmlNative with Apache License 2.0 6 votes vote down vote up 
public int score(LuaValue value) {
	switch ( value.type() ) {
	case LuaValue.TNUMBER:
		return inheritanceLevels( targetType, value.isint()? Integer.class: Double.class );
	case LuaValue.TBOOLEAN:
		return inheritanceLevels( targetType, Boolean.class );
	case LuaValue.TSTRING:
		return inheritanceLevels( targetType, String.class );
	case LuaValue.TUSERDATA:
		return inheritanceLevels( targetType, value.touserdata().getClass() );
	case LuaValue.TNIL:
		return SCORE_NULL_VALUE;
	default:
		return inheritanceLevels( targetType, value.getClass() );
	}
}
Example 4
Source File: CoerceLuaToJava.java    From HtmlNative with Apache License 2.0 6 votes vote down vote up 
public Object coerce(LuaValue value) {
	switch ( value.type() ) {
	case LuaValue.TTABLE: {
		int n = value.length();
		Object a = Array.newInstance(componentType, n);
		for ( int i=0; i<n; i++ )
			Array.set(a, i, componentCoercion.coerce(value.get(i+1)));
		return a;
	}
	case LuaValue.TUSERDATA:
		return value.touserdata();
	case LuaValue.TNIL:
		return null;
	default: 
		return null;
	}
	
}
Example 5
Source File: CoerceLuaToJava.java    From XPrivacyLua with GNU General Public License v3.0 6 votes vote down vote up 
public Object coerce(LuaValue value) {
	switch ( value.type() ) {
	case LuaValue.TNUMBER:
		return value.isint()? (Object)new Integer(value.toint()): (Object)new Double(value.todouble());
	case LuaValue.TBOOLEAN:
		return value.toboolean()? Boolean.TRUE: Boolean.FALSE;
	case LuaValue.TSTRING:
		return value.tojstring();
	case LuaValue.TUSERDATA:
		return value.optuserdata(targetType, null);
	case LuaValue.TNIL:
		return null;
	default:
		return value;
	}
}
Example 6
Source File: CoerceLuaToJava.java    From XPrivacyLua with GNU General Public License v3.0 6 votes vote down vote up 
public int score(LuaValue value) {
	switch ( value.type() ) {
	case LuaValue.TNUMBER:
		return inheritanceLevels( targetType, value.isint()? Integer.class: Double.class );
	case LuaValue.TBOOLEAN:
		return inheritanceLevels( targetType, Boolean.class );
	case LuaValue.TSTRING:
		return inheritanceLevels( targetType, String.class );
	case LuaValue.TUSERDATA:
		return inheritanceLevels( targetType, value.touserdata().getClass() );
	case LuaValue.TNIL:
		return SCORE_NULL_VALUE;
	default:
		return inheritanceLevels( targetType, value.getClass() );
	}
}
Example 7
Source File: CoerceLuaToJava.java    From luaj with MIT License 6 votes vote down vote up 
public Object coerce(LuaValue value) {
	switch ( value.type() ) {
	case LuaValue.TNUMBER:
		return value.isint()? (Object)new Integer(value.toint()): (Object)new Double(value.todouble());
	case LuaValue.TBOOLEAN:
		return value.toboolean()? Boolean.TRUE: Boolean.FALSE;
	case LuaValue.TSTRING:
		return value.tojstring();
	case LuaValue.TUSERDATA:
		return value.optuserdata(targetType, null);
	case LuaValue.TNIL:
		return null;
	default:
		return value;
	}
}
Example 8
Source File: CoerceLuaToJava.java    From VideoOS-Android-SDK with GNU General Public License v3.0 6 votes vote down vote up 
public Object coerce(LuaValue value) {
    switch (value.type()) {
        case LuaValue.TNUMBER:
            return value.isint() ? (Object) new Integer(value.toint()) : (Object) new Double(value.todouble());
        case LuaValue.TBOOLEAN:
            return value.toboolean() ? Boolean.TRUE : Boolean.FALSE;
        case LuaValue.TSTRING:
            return value.tojstring();
        case LuaValue.TUSERDATA:
            return value.optuserdata(targetType, null);
        case LuaValue.TNIL:
            return null;
        default:
            return value;
    }
}
Example 9
Source File: CoerceLuaToJava.java    From VideoOS-Android-SDK with GNU General Public License v3.0 6 votes vote down vote up 
public int score(LuaValue value) {
    switch (value.type()) {
        case LuaValue.TNUMBER:
            return inheritanceLevels(targetType, value.isint() ? Integer.class : Double.class);
        case LuaValue.TBOOLEAN:
            return inheritanceLevels(targetType, Boolean.class);
        case LuaValue.TSTRING:
            return inheritanceLevels(targetType, String.class);
        case LuaValue.TUSERDATA:
            return inheritanceLevels(targetType, value.touserdata().getClass());
        case LuaValue.TNIL:
            return SCORE_NULL_VALUE;
        default:
            return inheritanceLevels(targetType, value.getClass());
    }
}
Example 10
Source File: CoerceLuaToJava.java    From VideoOS-Android-SDK with GNU General Public License v3.0 6 votes vote down vote up 
public Object coerce(LuaValue value) {
    switch (value.type()) {
        case LuaValue.TTABLE: {
            int n = value.length();
            Object a = Array.newInstance(componentType, n);
            for (int i = 0; i < n; i++)
                Array.set(a, i, componentCoercion.coerce(value.get(i + 1)));
            return a;
        }
        case LuaValue.TUSERDATA:
            return value.touserdata();
        case LuaValue.TNIL:
            return null;
        default:
            return null;
    }

}
Example 11
Source File: CoerceLuaToJava.java    From luaj with MIT License 6 votes vote down vote up 
public int score(LuaValue value) {
	switch ( value.type() ) {
	case LuaValue.TNUMBER:
		return inheritanceLevels( targetType, value.isint()? Integer.class: Double.class );
	case LuaValue.TBOOLEAN:
		return inheritanceLevels( targetType, Boolean.class );
	case LuaValue.TSTRING:
		return inheritanceLevels( targetType, String.class );
	case LuaValue.TUSERDATA:
		return inheritanceLevels( targetType, value.touserdata().getClass() );
	case LuaValue.TNIL:
		return SCORE_NULL_VALUE;
	default:
		return inheritanceLevels( targetType, value.getClass() );
	}
}
Example 12
Source File: CoerceLuaToJava.java    From XPrivacyLua with GNU General Public License v3.0 5 votes vote down vote up 
public int score(LuaValue value) {
	switch ( value.type() ) {
	case LuaValue.TSTRING:
		return value.checkstring().isValidUtf8()?
				(targetType==TARGET_TYPE_STRING? 0: 1):
				(targetType==TARGET_TYPE_BYTES? 0: SCORE_WRONG_TYPE);
	case LuaValue.TNIL:
		return SCORE_NULL_VALUE;
	default:
		return targetType == TARGET_TYPE_STRING? SCORE_WRONG_TYPE: SCORE_UNCOERCIBLE;
	}
}
Example 13
Source File: CoerceLuaToJava.java    From VideoOS-Android-SDK with GNU General Public License v3.0 5 votes vote down vote up 
public int score(LuaValue value) {
    switch (value.type()) {
        case LuaValue.TSTRING:
            return value.checkstring().isValidUtf8() ?
                    (targetType == TARGET_TYPE_STRING ? 0 : 1) :
                    (targetType == TARGET_TYPE_BYTES ? 0 : SCORE_WRONG_TYPE);
        case LuaValue.TNIL:
            return SCORE_NULL_VALUE;
        default:
            return targetType == TARGET_TYPE_STRING ? SCORE_WRONG_TYPE : SCORE_UNCOERCIBLE;
    }
}
Example 14
Source File: CoerceLuaToJava.java    From HtmlNative with Apache License 2.0 5 votes vote down vote up 
public int score(LuaValue value) {
	switch ( value.type() ) {
	case LuaValue.TSTRING:
		return value.checkstring().isValidUtf8()?
				(targetType==TARGET_TYPE_STRING? 0: 1):
				(targetType==TARGET_TYPE_BYTES? 0: SCORE_WRONG_TYPE);
	case LuaValue.TNIL:
		return SCORE_NULL_VALUE;
	default:
		return targetType == TARGET_TYPE_STRING? SCORE_WRONG_TYPE: SCORE_UNCOERCIBLE;
	}
}
Example 15
Source File: CoerceLuaToJava.java    From luaj with MIT License 5 votes vote down vote up 
public int score(LuaValue value) {
	switch ( value.type() ) {
	case LuaValue.TSTRING:
		return value.checkstring().isValidUtf8()?
				(targetType==TARGET_TYPE_STRING? 0: 1):
				(targetType==TARGET_TYPE_BYTES? 0: SCORE_WRONG_TYPE);
	case LuaValue.TNIL:
		return SCORE_NULL_VALUE;
	default:
		return targetType == TARGET_TYPE_STRING? SCORE_WRONG_TYPE: SCORE_UNCOERCIBLE;
	}
}
Example 16
Source File: CoerceLuaToJava.java    From luaj with MIT License 5 votes vote down vote up 
public int score(LuaValue value) {
	switch ( value.type() ) {
	case LuaValue.TTABLE:
		return value.length()==0? 0: componentCoercion.score( value.get(1) );
	case LuaValue.TUSERDATA:
		return inheritanceLevels( componentType, value.touserdata().getClass().getComponentType() );
	case LuaValue.TNIL:
		return SCORE_NULL_VALUE;
	default: 
		return SCORE_UNCOERCIBLE;
	}
}
Example 17
Source File: DumpState.java    From luaj with MIT License 4 votes vote down vote up 
void dumpConstants(final Prototype f) throws IOException {
	final LuaValue[] k = f.k;
	int i, n = k.length;
	dumpInt(n);
	for (i = 0; i < n; i++) {
		final LuaValue o = k[i];
		switch ( o.type() ) {
		case LuaValue.TNIL:
			writer.write(LuaValue.TNIL);
			break;
		case LuaValue.TBOOLEAN:
			writer.write(LuaValue.TBOOLEAN);
			dumpChar(o.toboolean() ? 1 : 0);
			break;
		case LuaValue.TNUMBER:
			switch (NUMBER_FORMAT) {
			case NUMBER_FORMAT_FLOATS_OR_DOUBLES:
				writer.write(LuaValue.TNUMBER);
				dumpDouble(o.todouble());
				break;
			case NUMBER_FORMAT_INTS_ONLY:
				if ( ! ALLOW_INTEGER_CASTING && ! o.isint() )
					throw new java.lang.IllegalArgumentException("not an integer: "+o);
				writer.write(LuaValue.TNUMBER);
				dumpInt(o.toint());
				break;
			case NUMBER_FORMAT_NUM_PATCH_INT32:
				if ( o.isint() ) {
					writer.write(LuaValue.TINT);
					dumpInt(o.toint());
				} else {
					writer.write(LuaValue.TNUMBER);
					dumpDouble(o.todouble());
				}
				break;
			default:
				throw new IllegalArgumentException("number format not supported: "+NUMBER_FORMAT);
			}
			break;
		case LuaValue.TSTRING:
			writer.write(LuaValue.TSTRING);
			dumpString((LuaString)o);
			break;
		default:
			throw new IllegalArgumentException("bad type for " + o);
		}
	}
	n = f.p.length;
	dumpInt(n);
	for (i = 0; i < n; i++)
		dumpFunction(f.p[i]);
}
Example 18
Source File: DumpState.java    From XPrivacyLua with GNU General Public License v3.0 4 votes vote down vote up 
void dumpConstants(final Prototype f) throws IOException {
	final LuaValue[] k = f.k;
	int i, n = k.length;
	dumpInt(n);
	for (i = 0; i < n; i++) {
		final LuaValue o = k[i];
		switch ( o.type() ) {
		case LuaValue.TNIL:
			writer.write(LuaValue.TNIL);
			break;
		case LuaValue.TBOOLEAN:
			writer.write(LuaValue.TBOOLEAN);
			dumpChar(o.toboolean() ? 1 : 0);
			break;
		case LuaValue.TNUMBER:
			switch (NUMBER_FORMAT) {
			case NUMBER_FORMAT_FLOATS_OR_DOUBLES:
				writer.write(LuaValue.TNUMBER);
				dumpDouble(o.todouble());
				break;
			case NUMBER_FORMAT_INTS_ONLY:
				if ( ! ALLOW_INTEGER_CASTING && ! o.isint() )
					throw new java.lang.IllegalArgumentException("not an integer: "+o);
				writer.write(LuaValue.TNUMBER);
				dumpInt(o.toint());
				break;
			case NUMBER_FORMAT_NUM_PATCH_INT32:
				if ( o.isint() ) {
					writer.write(LuaValue.TINT);
					dumpInt(o.toint());
				} else {
					writer.write(LuaValue.TNUMBER);
					dumpDouble(o.todouble());
				}
				break;
			default:
				throw new IllegalArgumentException("number format not supported: "+NUMBER_FORMAT);
			}
			break;
		case LuaValue.TSTRING:
			writer.write(LuaValue.TSTRING);
			dumpString((LuaString)o);
			break;
		default:
			throw new IllegalArgumentException("bad type for " + o);			
		}
	}
	n = f.p.length;
	dumpInt(n);
	for (i = 0; i < n; i++)
		dumpFunction(f.p[i]);
}
Example 19
Source File: LuaUtil.java    From VideoOS-Android-SDK with GNU General Public License v3.0 2 votes vote down vote up 
/**
 * 判断是否空或者nil
 *
 * @param target
 * @return
 */
public static boolean isValid(LuaValue target) {
    return target != null && target.type() != LuaValue.TNIL;
}
Example 20
Source File: LuaUtil.java    From VideoOS-Android-SDK with GNU General Public License v3.0 2 votes vote down vote up 
/**
 * is nil
 *
 * @param target
 * @return
 */
public static boolean isNil(LuaValue target) {
    return target != null && target.type() == LuaValue.TNIL;
}