/** Return an additional string describing the current value of this function. */
public String getVerboseString() {
if (input.getType() instanceof RecordType) {
RecordType type = (RecordType) input.getType();
Type fieldType = type.get(_name);
if (fieldType == null) {
return "Input Record doesn't have field named " + _name;
}
}
return null;
}
/**
* Return the function result.
*
* @return A Type.
*/
public Object getValue() throws IllegalActionException {
if (input.getType() == BaseType.UNKNOWN) {
return BaseType.UNKNOWN;
} else if (input.getType() instanceof RecordType) {
RecordType type = (RecordType) input.getType();
Type fieldType = type.get(_name);
if (fieldType == null) {
return BaseType.UNKNOWN;
} else {
return fieldType;
}
} else {
throw new IllegalActionException(RecordDisassembler.this, "Invalid type for input port");
}
}
/**
* Set the type of the given node to be the return type of the method determined for the given
* node.
*
* @param node The specified node.
* @exception IllegalActionException If an inference error occurs.
*/
public void visitMethodCallNode(ASTPtMethodCallNode node) throws IllegalActionException {
Type[] childTypes = _inferAllChildren(node);
// Handle indexing into a record.
if ((childTypes.length == 1) && childTypes[0] instanceof RecordType) {
RecordType type = (RecordType) childTypes[0];
if (type.labelSet().contains(node.getMethodName())) {
_setType(node, type.get(node.getMethodName()));
return;
}
}
CachedMethod cachedMethod =
CachedMethod.findMethod(node.getMethodName(), childTypes, CachedMethod.METHOD);
if (cachedMethod.isValid()) {
Type type = cachedMethod.getReturnType();
_setType(node, type);
} else {
// If we reach this point it means the function was not found on
// the search path.
StringBuffer buffer = new StringBuffer();
for (int i = 1; i < childTypes.length; i++) {
if (i == 1) {
buffer.append(childTypes[i].toString());
} else {
buffer.append(", " + childTypes[i].toString());
}
}
throw new IllegalActionException(
"No matching method "
+ childTypes[0].toString()
+ "."
+ node.getMethodName()
+ "( "
+ buffer
+ " ).");
}
}
