/**
* Generate the initialize code for the associated SDF director.
*
* @return The generated initialize code.
* @exception IllegalActionException If the helper associated with an actor throws it while
* generating initialize code for the actor.
*/
public String generateInitializeCode() throws IllegalActionException {
StringBuffer code = new StringBuffer();
code.append(super.generateInitializeCode());
ptolemy.actor.CompositeActor container =
(ptolemy.actor.CompositeActor) getComponent().getContainer();
CodeGeneratorHelper containerHelper = (CodeGeneratorHelper) _getHelper(container);
// Generate code for creating external initial production.
Iterator outputPorts = container.outputPortList().iterator();
while (outputPorts.hasNext()) {
IOPort outputPort = (IOPort) outputPorts.next();
int rate = DFUtilities.getTokenInitProduction(outputPort);
if (rate > 0) {
for (int i = 0; i < outputPort.getWidthInside(); i++) {
if (i < outputPort.getWidth()) {
String name = outputPort.getName();
if (outputPort.isMultiport()) {
name = name + '#' + i;
}
for (int k = 0; k < rate; k++) {
code.append(CodeStream.indent(containerHelper.getReference(name + "," + k)));
code.append(" = ");
code.append(containerHelper.getReference("@" + name + "," + k));
code.append(";" + _eol);
}
}
}
// The offset of the ports connected to the output port is
// updated by outside director.
_updatePortOffset(outputPort, code, rate);
}
}
return code.toString();
}
/**
* Check to see if the buffer size for the current schedule is greater than the previous size. If
* so, set the buffer size to the current buffer size needed.
*
* @exception IllegalActionException If thrown while getting helper or buffer size.
*/
protected void _updatePortBufferSize() throws IllegalActionException {
ptolemy.domains.sdf.kernel.SDFDirector director =
(ptolemy.domains.sdf.kernel.SDFDirector) getComponent();
CompositeActor container = (CompositeActor) director.getContainer();
ptolemy.codegen.c.actor.TypedCompositeActor containerHelper =
(ptolemy.codegen.c.actor.TypedCompositeActor) _getHelper(container);
Iterator actors = container.deepEntityList().iterator();
while (actors.hasNext()) {
Actor actor = (Actor) actors.next();
CodeGeneratorHelper actorHelper = (CodeGeneratorHelper) _getHelper((NamedObj) actor);
Iterator inputPorts = actor.inputPortList().iterator();
while (inputPorts.hasNext()) {
IOPort inputPort = (IOPort) inputPorts.next();
for (int k = 0; k < inputPort.getWidth(); k++) {
int newCapacity = getBufferSize(inputPort, k);
int oldCapacity = actorHelper.getBufferSize(inputPort, k);
if (newCapacity > oldCapacity) {
actorHelper.setBufferSize(inputPort, k, newCapacity);
}
}
}
}
Iterator outputPorts = container.outputPortList().iterator();
while (outputPorts.hasNext()) {
IOPort outputPort = (IOPort) outputPorts.next();
for (int k = 0; k < outputPort.getWidthInside(); k++) {
int newCapacity = getBufferSize(outputPort, k);
int oldCapacity = containerHelper.getBufferSize(outputPort, k);
if (newCapacity > oldCapacity) {
containerHelper.setBufferSize(outputPort, k, newCapacity);
}
}
}
}
/**
* Generate code for the agent.
*
* @param CompositeActor The agent generated code from.
* @return The agent code.
*/
private String _agentCode(CompositeActor actor) throws IllegalActionException {
// System.out.println("dealing with " + actor.getFullName());
String codeString = "agent";
String parameterString = "";
String inputString = "";
String outputString = "";
String initString = "";
String modeString = "";
String modeParameterString = "";
String typedModeParameterString = "";
String flowString = "";
String invariantString = "";
LinkedList parameterList = (LinkedList) actor.attributeList(Parameter.class);
/* Parameter invariantPara = (Parameter) actor.getAttribute("_invariant");
if (invariantPara != null) {
invariantString = "inv { "
+ ((StringToken)invariantPara.getToken()).stringValue()
+ " } ";
//get rid of _invariant parameter
parameterList.remove(invariantPara);;
//FIXME: it seems that after getAttribute,
//the attribute does not exist?
}
*/
ListIterator assertions = _assertions(actor).listIterator();
while (assertions.hasNext()) {
Assertion assertion = (Assertion) assertions.next();
if (invariantString.length() == 0) {
invariantString = "inv { " + assertion.assertion.getExpression();
} else {
invariantString += (" ; " + assertion.assertion.getExpression());
}
invariantString += " } ";
}
int parameterNumber = parameterList.size();
ListIterator parameters = parameterList.listIterator();
_inPorts = actor.inputPortList().iterator();
while (_inPorts.hasNext()) {
if (inputString == "") {
inputString += ("read analog real " + ((NamedObj) _inPorts.next()).getName());
} else {
inputString += (", " + ((NamedObj) _inPorts.next()).getName());
}
}
if (inputString != "") {
inputString += ";";
}
_outPorts = actor.outputPortList().iterator();
int outportNumber = actor.outputPortList().size();
// since the parameters are either for mode or for outport,
// we assume the number of the parameters for outport is the same
// with the number of outport(s)
boolean parameterForOutport = false;
while (parameters.hasNext()) {
String parameterName = ((NamedObj) parameters.next()).getName();
if (parameterName.startsWith("_")) {
continue;
}
if (parameters.nextIndex() > (parameterNumber - outportNumber)) {
parameterForOutport = true;
}
if (parameterString == "") {
parameterString += ("real " + parameterName);
} else {
parameterString += (", real " + parameterName);
}
if (parameterForOutport) {
if (_outPorts.hasNext()) {
String outportName = ((NamedObj) _outPorts.next()).getName();
if (outputString == "") {
outputString += ("write analog real " + outportName);
} else {
outputString += (", " + outportName);
}
initString += (outportName + " = " + parameterName + " ;");
}
} else {
if (modeParameterString == "") {
modeParameterString += parameterName;
typedModeParameterString += ("real " + parameterName);
} else {
modeParameterString += (", " + parameterName);
typedModeParameterString += (", real " + parameterName);
}
}
}
if (outputString != "") {
outputString += ";";
}
initString = "init { " + initString + " }";
modeString = "mode top = " + actor.getName() + "TopMode" + " ( " + modeParameterString + " ) ;";
codeString +=
(" "
+ actor.getName()
+ " ( "
+ parameterString
+ " )"
+ _endLine
+ "{"
+ _endLine
+ " "
+ outputString
+ _endLine
+ " "
+ inputString
+ _endLine
+ " "
+ initString
+ _endLine
+ " "
+ modeString
+ _endLine
+ "}"
+ _endLine);
if (FSMDirector.class.isInstance(actor.getDirector())) {
// mode code generation goes here.
_modeCode +=
("mode "
+ actor.getName()
+ "TopMode"
+ " ( "
+ typedModeParameterString
+ " )"
+ _endLine
+ "{"
+ _endLine
+ " "
+ outputString
+ _endLine
+ " "
+ inputString
+ _endLine);
// notice the _fsmModeCode(actor) will modify the _modeCode with transitions code
// and return the mode code for each sub mode.(refinement)
String subModeString =
_fsmModeCode(
((FSMDirector) actor.getDirector()).getController(), inputString, outputString);
_modeCode += (" " + invariantString + _endLine + "}" + _endLine + subModeString);
} else {
flowString = _graphToText(actor);
_modeCode +=
("mode "
+ actor.getName()
+ "TopMode"
+ " ( "
+ typedModeParameterString
+ " )"
+ _endLine
+ "{"
+ _endLine
+ " "
+ outputString
+ _endLine
+ " "
+ inputString
+ _endLine
+ " "
+ flowString
+ _endLine
+ " "
+ invariantString
+ _endLine
+ "}"
+ _endLine);
}
return codeString;
}
// we assume the composite agent has no mode
// only atomic agent has mode
private String _compositeAgentCode(CompositeActor actor) throws IllegalActionException {
if (FSMDirector.class.isInstance(actor.getDirector())) {
// System.out.println("in FSM");
return _agentCode(actor);
}
LinkedList subAgents = _agents(actor);
if (subAgents.size() == 0) {
return _agentCode(actor);
}
String compositeCodeString = "";
String subAgentCode = "";
String privateVariables = "";
ListIterator subAgentsIterator = subAgents.listIterator();
// the output ports of composite agent
// In fact, there is always at most one output
List outputPorts = actor.outputPortList();
ListIterator outputPortsIterator = actor.outputPortList().listIterator();
if (outputPorts.size() > 1) {
throw new IllegalActionException(" The agent has more than one output!");
}
// get the source subAgent name
String outputAgentName = "";
String outputPortName = "";
String sourceForOutputName = "";
while (outputPortsIterator.hasNext()) {
TypedIOPort output = (TypedIOPort) outputPortsIterator.next();
outputPortName = output.getName();
ListIterator sourcePorts = output.insidePortList().listIterator();
TypedIOPort sourcePort = new TypedIOPort();
while (sourcePorts.hasNext()) {
TypedIOPort port = (TypedIOPort) sourcePorts.next();
if (port.isOutput()) {
if (sourcePort == null) {
throw new IllegalActionException(" The output has more than one source!");
} else {
sourcePort = port;
sourceForOutputName = sourcePort.getName();
Nameable sourceContainer = sourcePort.getContainer();
outputAgentName = sourceContainer.getName();
}
}
}
}
while (subAgentsIterator.hasNext()) {
String subAgentConnectionInputs = "";
String subAgentConnectionOutputs = "";
CompositeActor subAgent = (CompositeActor) subAgentsIterator.next();
if (outputAgentName.equals(subAgent.getName())) {
// the inside output actually is input to outside environment
subAgentConnectionOutputs += sourceForOutputName;
subAgentConnectionInputs += outputPortName;
}
subAgentCode +=
(" agent " + subAgent.getName().toLowerCase() + " = " + subAgent.getName() + " ( ");
if (actor.depthInHierarchy() == 0) {
subAgentCode += _agentParameterTokens((NamedObj) subAgent);
} else {
subAgentCode += _agentParameters((NamedObj) subAgent, false);
}
subAgentCode += (" );" + _endLine);
ListIterator subAgentInputs = subAgent.inputPortList().listIterator();
while (subAgentInputs.hasNext()) {
TypedIOPort input = (TypedIOPort) subAgentInputs.next();
LinkedList sourceList = _shallowSourcePortList(input);
ListIterator sources = sourceList.listIterator();
boolean privateVariable = true;
while (sources.hasNext()) {
TypedIOPort source = (TypedIOPort) sources.next();
if (source.depthInHierarchy() != input.depthInHierarchy()) {
privateVariable = false;
}
if (!(source.getName().equals(input.getName()))) {
if (subAgentConnectionOutputs == "") {
subAgentConnectionOutputs += source.getName();
subAgentConnectionInputs += input.getName();
} else {
subAgentConnectionOutputs += (", " + source.getName());
subAgentConnectionInputs += (", " + input.getName());
}
}
}
if (privateVariable) {
if (privateVariables == "") {
privateVariables += ("private analog real " + input.getName());
} else {
privateVariables += (", " + input.getName());
}
}
}
if (subAgentConnectionInputs.length() != 0) {
subAgentCode +=
(" [ "
+ subAgentConnectionInputs
+ " := "
+ subAgentConnectionOutputs
+ " ] ;"
+ _endLine);
}
compositeCodeString += _compositeAgentCode(subAgent);
}
compositeCodeString += "agent";
String parameterString = "";
String inputString = "";
String outputString = "";
String initString = "";
String modeString = "";
String modeParameterString = "";
LinkedList parameterList = (LinkedList) actor.attributeList(Parameter.class);
int parameterNumber = parameterList.size();
ListIterator parameters = parameterList.listIterator();
_inPorts = actor.inputPortList().iterator();
while (_inPorts.hasNext()) {
if (inputString == "") {
inputString += ("read analog real " + ((NamedObj) _inPorts.next()).getName());
} else {
inputString += (", " + ((NamedObj) _inPorts.next()).getName());
}
}
if (inputString != "") {
inputString += ";";
}
_outPorts = actor.outputPortList().iterator();
if (_outPorts.hasNext()) {
String outportName = ((NamedObj) _outPorts.next()).getName();
if (outputString == "") {
outputString += ("write analog real " + outportName);
} else {
outputString += (", " + outportName);
}
}
if (outputString != "") {
outputString += ";";
}
if (privateVariables.length() != 0) {
privateVariables += ";";
}
compositeCodeString += (" " + actor.getName() + " ( ");
if (actor.depthInHierarchy() != 0) {
compositeCodeString += _agentParameters((NamedObj) actor, true);
}
compositeCodeString +=
(" )"
+ _endLine
+ "{"
+ _endLine
+ " "
+ outputString
+ _endLine
+ " "
+ inputString
+ _endLine
+ " "
+ privateVariables
+ _endLine
+ subAgentCode
+ _endLine
+ "}"
+ _endLine);
return compositeCodeString;
}
/**
* Check to see if variables are needed to represent read and write offsets for the given port.
*
* @return Code that declares the read and write offset variables.
* @exception IllegalActionException If getting the rate or reading parameters throws it.
*/
protected String _createOffsetVariablesIfNeeded() throws IllegalActionException {
StringBuffer code = new StringBuffer();
CompositeActor container = (CompositeActor) getComponent().getContainer();
boolean inline = ((BooleanToken) _codeGenerator.inline.getToken()).booleanValue();
StringBuffer tempCode = new StringBuffer();
Iterator outputPorts = container.outputPortList().iterator();
while (outputPorts.hasNext()) {
IOPort outputPort = (IOPort) outputPorts.next();
for (int i = 0; i < outputPort.getWidthInside(); i++) {
int readTokens = 0;
int writeTokens = 0;
// If each actor firing is inlined in the code, then read
// and write positions in the buffer must return to the
// previous values after one iteration of the container actor
// in order to avoid using read and write offset variables.
if (inline) {
readTokens = DFUtilities.getRate(outputPort);
writeTokens = readTokens;
// If each actor firing is wrapped in a function, then read
// and write positions in the buffer must return to the
// previous values after one firing of this actor or one
// firing of the actor that produces tokens consumed by the
// inside receiver of this actor in order to avoid using
// read and write offset variables.
} else {
readTokens = DFUtilities.getRate(outputPort);
Iterator sourcePorts = outputPort.insideSourcePortList().iterator();
label1:
while (sourcePorts.hasNext()) {
IOPort sourcePort = (IOPort) sourcePorts.next();
CodeGeneratorHelper helper =
(CodeGeneratorHelper) _getHelper(sourcePort.getContainer());
int width;
if (sourcePort.isInput()) {
width = sourcePort.getWidthInside();
} else {
width = sourcePort.getWidth();
}
for (int j = 0; j < width; j++) {
Iterator channels = helper.getSinkChannels(sourcePort, j).iterator();
while (channels.hasNext()) {
Channel channel = (Channel) channels.next();
if (channel.port == outputPort && channel.channelNumber == i) {
writeTokens = DFUtilities.getRate(sourcePort);
break label1;
}
}
}
}
}
tempCode.append(_createOffsetVariablesIfNeeded(outputPort, i, readTokens, writeTokens));
}
}
if (tempCode.length() > 0) {
code.append("\n" + _codeGenerator.comment(container.getName() + "'s offset variables"));
code.append(tempCode);
}
Iterator actors = container.deepEntityList().iterator();
while (actors.hasNext()) {
StringBuffer tempCode2 = new StringBuffer();
Actor actor = (Actor) actors.next();
Iterator inputPorts = actor.inputPortList().iterator();
while (inputPorts.hasNext()) {
IOPort inputPort = (IOPort) inputPorts.next();
for (int i = 0; i < inputPort.getWidth(); i++) {
int readTokens = 0;
int writeTokens = 0;
// If each actor firing is inlined in the code,
// then read and write positions in the buffer
// must return to the previous values after one
// iteration of the container actor in order to
// avoid using read and write offset variables.
if (inline) {
Variable firings = (Variable) ((NamedObj) actor).getAttribute("firingsPerIteration");
int firingsPerIteration = ((IntToken) firings.getToken()).intValue();
readTokens = DFUtilities.getRate(inputPort) * firingsPerIteration;
writeTokens = readTokens;
// If each actor firing is wrapped in a
// function, then read and write positions in
// the buffer must return to the previous
// values after one firing of this actor or
// one firing of the actor that produces
// tokens consumed by this actor in order to
// avoid using read and write offset
// variables.
} else {
readTokens = DFUtilities.getRate(inputPort);
Iterator sourcePorts = inputPort.sourcePortList().iterator();
label2:
while (sourcePorts.hasNext()) {
IOPort sourcePort = (IOPort) sourcePorts.next();
CodeGeneratorHelper helper =
(CodeGeneratorHelper) _getHelper(sourcePort.getContainer());
int width;
if (sourcePort.isInput()) {
width = sourcePort.getWidthInside();
} else {
width = sourcePort.getWidth();
}
for (int j = 0; j < width; j++) {
Iterator channels = helper.getSinkChannels(sourcePort, j).iterator();
while (channels.hasNext()) {
Channel channel = (Channel) channels.next();
if (channel.port == inputPort && channel.channelNumber == i) {
writeTokens = DFUtilities.getRate(sourcePort);
break label2;
}
}
}
}
}
tempCode2.append(_createOffsetVariablesIfNeeded(inputPort, i, readTokens, writeTokens));
}
}
if (tempCode2.length() > 0) {
code.append("\n" + _codeGenerator.comment(actor.getName() + "'s offset variables"));
code.append(tempCode2);
}
}
return code.toString();
}
/**
* Generate code for transferring enough tokens to fulfill the output production rate.
*
* @param outputPort The port to transfer tokens.
* @param code The string buffer that the generated code is appended to.
* @exception IllegalActionException If thrown while transferring tokens.
*/
public void generateTransferOutputsCode(IOPort outputPort, StringBuffer code)
throws IllegalActionException {
code.append(
CodeStream.indent(
_codeGenerator.comment("SDFDirector: " + "Transfer tokens to the outside.")));
int rate = DFUtilities.getTokenProductionRate(outputPort);
CompositeActor container = (CompositeActor) getComponent().getContainer();
ptolemy.codegen.c.actor.TypedCompositeActor compositeActorHelper =
(ptolemy.codegen.c.actor.TypedCompositeActor) _getHelper(container);
if (container instanceof TypedCompositeActorWithCoSimulation) {
if (_portNumber == 0) {
int numberOfOutputPorts = container.outputPortList().size();
code.append(_INDENT2 + "jobjectArray tokensToAllOutputPorts;" + _eol);
code.append(
_INDENT2
+ "jclass objClass = (*env)->FindClass(env, "
+ "\"Ljava/lang/Object;\");"
+ _eol);
code.append(
_INDENT2
+ "tokensToAllOutputPorts = "
+ "(*env)->NewObjectArray(env, "
+ numberOfOutputPorts
+ ", objClass, NULL);"
+ _eol);
}
String portName = outputPort.getName();
String tokensToThisPort = "tokensTo" + portName;
;
Type type = ((TypedIOPort) outputPort).getType();
int numberOfChannels = outputPort.getWidthInside();
code.append(_INDENT2 + "jobjectArray " + tokensToThisPort + ";" + _eol);
if (type == BaseType.INT) {
if (!_intFlag) {
code.append(_INDENT2 + "jclass objClassI = (*env)->FindClass(env, " + "\"[I\");" + _eol);
_intFlag = true;
}
code.append(
_INDENT2
+ tokensToThisPort
+ " = (*env)->NewObjectArray(env, "
+ numberOfChannels
+ ", objClassI, NULL);"
+ _eol);
} else if (type == BaseType.DOUBLE) {
if (!_doubleFlag) {
code.append(_INDENT2 + "jclass objClassD = (*env)->FindClass(env, " + "\"[D\");" + _eol);
_doubleFlag = true;
}
code.append(
_INDENT2
+ tokensToThisPort
+ " = (*env)->NewObjectArray(env, "
+ numberOfChannels
+ ", objClassD, NULL);"
+ _eol);
} else {
// FIXME: need to deal with other types
}
for (int i = 0; i < outputPort.getWidthInside(); i++) {
String tokensToOneChannel = "tokensToOneChannelOf" + portName;
if (i == 0) {
if (type == BaseType.INT) {
code.append(_INDENT2 + "jint " + tokensToOneChannel + "[" + rate + "];" + _eol);
} else if (type == BaseType.DOUBLE) {
code.append(_INDENT2 + "jdouble " + tokensToOneChannel + "[" + rate + "];" + _eol);
} else {
// FIXME: need to deal with other types
}
}
String portNameWithChannelNumber = portName;
if (outputPort.isMultiport()) {
portNameWithChannelNumber = portName + '#' + i;
}
for (int k = 0; k < rate; k++) {
code.append(
_INDENT2
+ tokensToOneChannel
+ "["
+ k
+ "] = "
+ compositeActorHelper.getReference("@" + portNameWithChannelNumber + "," + k)
+ ";"
+ _eol);
}
String tokensToOneChannelArray = "arr" + portName + i;
if (type == BaseType.INT) {
code.append(
_INDENT2
+ "jintArray "
+ tokensToOneChannelArray
+ " = "
+ "(*env)->NewIntArray(env, "
+ rate
+ ");"
+ _eol);
code.append(
_INDENT2
+ "(*env)->SetIntArrayRegion"
+ "(env, "
+ tokensToOneChannelArray
+ ", 0, "
+ rate
+ ", "
+ tokensToOneChannel
+ ");"
+ _eol);
} else if (type == BaseType.DOUBLE) {
code.append(
_INDENT2
+ "jdoubleArray "
+ tokensToOneChannelArray
+ " = "
+ "(*env)->NewDoubleArray(env, "
+ rate
+ ");"
+ _eol);
code.append(
_INDENT2
+ "(*env)->SetDoubleArrayRegion"
+ "(env, "
+ tokensToOneChannelArray
+ ", 0, "
+ rate
+ ", "
+ tokensToOneChannel
+ ");"
+ _eol);
} else {
// FIXME: need to deal with other types
}
code.append(
_INDENT2
+ "(*env)->SetObjectArrayElement"
+ "(env, "
+ tokensToThisPort
+ ", "
+ i
+ ", "
+ tokensToOneChannelArray
+ ");"
+ _eol);
code.append(
_INDENT2 + "(*env)->DeleteLocalRef(env, " + tokensToOneChannelArray + ");" + _eol);
}
code.append(
_INDENT2
+ "(*env)->SetObjectArrayElement"
+ "(env, tokensToAllOutputPorts, "
+ _portNumber
+ ", "
+ tokensToThisPort
+ ");"
+ _eol);
code.append(_INDENT2 + "(*env)->DeleteLocalRef(env, " + tokensToThisPort + ");" + _eol);
_portNumber++;
} else {
for (int i = 0; i < outputPort.getWidthInside(); i++) {
if (i < outputPort.getWidth()) {
String name = outputPort.getName();
if (outputPort.isMultiport()) {
name = name + '#' + i;
}
for (int k = 0; k < rate; k++) {
code.append(CodeStream.indent(compositeActorHelper.getReference(name + "," + k)));
code.append(" =" + _eol);
code.append(
CodeStream.indent(
_INDENT2 + compositeActorHelper.getReference("@" + name + "," + k)));
code.append(";" + _eol);
}
}
}
}
// The offset of the ports connected to the output port is
// updated by outside director.
_updatePortOffset(outputPort, code, rate);
}
