/**
* Translates an integer into the Java type denoted by <code>clazz</code>. Expects an integer on
* the stack and pushes a number of the appropriate type after coercion.
*/
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen, Class clazz) {
final InstructionList il = methodGen.getInstructionList();
if (clazz == Character.TYPE) {
il.append(I2C);
} else if (clazz == Byte.TYPE) {
il.append(I2B);
} else if (clazz == Short.TYPE) {
il.append(I2S);
} else if (clazz == Integer.TYPE) {
il.append(NOP);
} else if (clazz == Long.TYPE) {
il.append(I2L);
} else if (clazz == Float.TYPE) {
il.append(I2F);
} else if (clazz == Double.TYPE) {
il.append(I2D);
}
// Is Double <: clazz? I.e. clazz in { Double, Number, Object }
else if (clazz.isAssignableFrom(java.lang.Double.class)) {
il.append(I2D);
Type.Real.translateTo(classGen, methodGen, Type.Reference);
} else {
ErrorMsg err = new ErrorMsg(ErrorMsg.DATA_CONVERSION_ERR, toString(), clazz.getName());
classGen.getParser().reportError(Constants.FATAL, err);
}
}
/**
* Translates a void into an object of internal type <code>type</code>. This translation is needed
* when calling external functions that return void.
*
* @see org.apache.xalan.xsltc.compiler.util.Type#translateTo
*/
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen, Type type) {
if (type == Type.String) {
translateTo(classGen, methodGen, (StringType) type);
} else {
ErrorMsg err = new ErrorMsg(ErrorMsg.DATA_CONVERSION_ERR, toString(), type.toString());
classGen.getParser().reportError(Constants.FATAL, err);
}
}
/**
* Translates an external (primitive) Java type into a void. Only an external "void" can be
* converted to this class.
*/
public void translateFrom(ClassGenerator classGen, MethodGenerator methodGen, Class clazz) {
if (!clazz.getName().equals("void")) {
ErrorMsg err = new ErrorMsg(ErrorMsg.DATA_CONVERSION_ERR, toString(), clazz.getName());
classGen.getParser().reportError(Constants.FATAL, err);
}
}