/* Copyright or (C) or Copr. GET / ENST, Telecom-Paris, Ludovic Apvrille
*
* ludovic.apvrille AT enst.fr
*
* This software is a computer program whose purpose is to allow the
* edition of TURTLE analysis, design and deployment diagrams, to
* allow the generation of RT-LOTOS or Java code from this diagram,
* and at last to allow the analysis of formal validation traces
* obtained from external tools, e.g. RTL from LAAS-CNRS and CADP
* from INRIA Rhone-Alpes.
*
* This software is governed by the CeCILL license under French law and
* abiding by the rules of distribution of free software. You can use,
* modify and/ or redistribute the software under the terms of the CeCILL
* license as circulated by CEA, CNRS and INRIA at the following URL
* "http://www.cecill.info".
*
* As a counterpart to the access to the source code and rights to copy,
* modify and redistribute granted by the license, users are provided only
* with a limited warranty and the software's author, the holder of the
* economic rights, and the successive licensors have only limited
* liability.
*
* In this respect, the user's attention is drawn to the risks associated
* with loading, using, modifying and/or developing or reproducing the
* software by the user in light of its specific status of free software,
* that may mean that it is complicated to manipulate, and that also
* therefore means that it is reserved for developers and experienced
* professionals having in-depth computer knowledge. Users are therefore
* encouraged to load and test the software's suitability as regards their
* requirements in conditions enabling the security of their systems and/or
* data to be ensured and, more generally, to use and operate it in the
* same conditions as regards security.
*
* The fact that you are presently reading this means that you have had
* knowledge of the CeCILL license and that you accept its terms.
*/
/**
* Class AvatarFromSysML
* Creation: 20/06/2024
*
* @author Sophie Coudert
* @version 0.1 20/06/2024
*/
package avatartranslator.tosysmlv2;
import java.io.FileReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.function.BiConsumer;
import avatartranslator.*;
import avatartranslator.tosysmlv2.AvatarFromSysMLSyntax.*;
import static java_cup.runtime.ComplexSymbolFactory.*;
import java_cup.runtime.ComplexSymbolFactory;
import myutil.TraceManager;
import static java.lang.System.out;
/** Class AvatarFromSysML
* Creation: 20/06/2024
*
* @author Sophie Coudert
* @version 0.1 20/06/2024
*
* Building Avatar Models from Their SysML V2 description. This Class exports the main function that does this. Technically,
* the class implements the last step of this process, i.e. it builds Avatar models from abstract syntax trees build by AvatarSysMLParser.
*/
public class AvatarFromSysML {
/** the build Avatar specification, returned at the end of the building process */
private AvatarSpecification avSpec;
/** the source abstract syntax tree, obtained through a call to the parser */
private StxModel stxSpec;
/** maps signal syntactic elements to their associated avatar signal by the building process */
private HashMap<StxSignal, AvatarSignal> signalMap;
/** maps block syntactic elements to their associated avatar block by the building process */
private HashMap<StxBlock, AvatarBlock> blockMap;
/** maps state syntactic elements to their associated avatar state-machine element by the building process (when exists) */
private HashMap<StxState, AvatarStateMachineElement> stateMap;
/** maps transition syntactic elements to their associated avatar transition by the building process (when exists) */
private HashMap<AvatarStateMachineElement, StateTransitions> transitionMap;
/** maps Avatar datatypes extracted from the SysML sourse to their sequence of primitive fields */
private HashMap<AvatarDataType, AvatarDataTypePrimitiveFields> primitiveFieldsMap;
/** all errors encountered while parsing and building model from parsing-returned abstract syntax tree */
private List<AvatarFromSysMLError> errors;
public AvatarFromSysML(){
avSpec = null;
stxSpec = null;
signalMap = new HashMap<StxSignal, AvatarSignal>();
blockMap = new HashMap<StxBlock, AvatarBlock>();
stateMap = new HashMap<StxState, AvatarStateMachineElement>();
transitionMap = new HashMap<AvatarStateMachineElement, StateTransitions>();
errors = null;
}
/** register an error encountered while parsing and building model from parsing-returned abstract syntax tree */
private void addError(AvatarFromSysMLError _err) { errors.add(_err); }
/** to memorize the set of transitions of a state and memorize its block with them */
private class StateTransitions {
private AvatarBlock block;
private List<AvatarTransition> transitions;
public StateTransitions (AvatarBlock _block, List<AvatarTransition> _transitions) {
block = _block;
transitions = _transitions;
}
public AvatarBlock getBlock() { return block; }
public List<AvatarTransition> getTransitions() { return transitions; }
}
/** Builds an Avatar Specification From */
public AvatarSpecification sysMLtoSpec(String _fileName) {
AvatarFromSysMLParser parser;
try { parser =
new AvatarFromSysMLParser(new AvatarFromSysMLLexer(new FileReader(_fileName)),
new ComplexSymbolFactory()); }
catch (java.lang.Exception e) {
e.printStackTrace(out);
return new AvatarSpecification("DummySpec", null);
}
TraceManager.addDev("Parsing Model");
try { stxSpec = parser.parseModel(); }
catch (java.lang.Exception e) {
e.printStackTrace(out);
return new AvatarSpecification("DummySpec", null);
}
if (stxSpec == null) {
for(AvatarFromSysMLError e : parser.getErrors())
TraceManager.addDev(e.toString());
return new AvatarSpecification("DummySpec", null);
}
errors = stxSpec.getErrors();
TraceManager.addDev("Building Specification");
avSpec = new AvatarSpecification("FromSysMLV2_EXAMPLE_SPECIFICATION",null);
signalMap.clear();
blockMap.clear();
stateMap.clear();
TraceManager.addDev("Building DataTypes");
buildDataTypes();
TraceManager.addDev("Building Blocks");
buildBlocks();
TraceManager.addDev("Building Relations");
buildRelations();
for(AvatarFromSysMLError e : errors)
TraceManager.addDev(e.toString());
return avSpec;
}
private void addState(AvatarStateMachineElement e, AvatarBlock b) {
if (transitionMap.get(e) == null){
ArrayList<AvatarTransition> l = new ArrayList<AvatarTransition>();
transitionMap.put(e, new StateTransitions(b, l));
}
}
private void addTransition(AvatarTransition t, AvatarStateMachineElement e) {
transitionMap.get(e).getTransitions().add(t);
}
private AvatarBlock getBlock(StxBlock _b) {
AvatarBlock b = blockMap.get(_b);
if (b == null) {
b = new AvatarBlock(_b.getName(), avSpec, null);
blockMap.put(_b, b);
}
return b;
}
private AvatarSignal getSignal(StxSignal _b) {
AvatarSignal b = signalMap.get(_b);
if (b == null) {
if (_b.isInput())
b = new AvatarSignal(_b.getName(), AvatarSignal.IN, null);
else
b = new AvatarSignal(_b.getName(), AvatarSignal.OUT, null);
signalMap.put(_b, b);
}
return b;
}
private AvatarAttribute getOriginalAttributeByName(String _name, AvatarBlock _block) {
List<AvatarAttribute> l = _block.getOriginalAttributes();
int size = l.size();
for (int i = 0; i < size; i++)
if(l.get(i).getName().equals(_name)) return l.get(i);
return null;
}
private AvatarAttribute getAttributeByName(String _name, AvatarBlock _block) {
List<AvatarAttribute> l = _block.getAttributes();
int size = l.size();
for (int i = 0; i < size; i++)
if(l.get(i).getName().equals(_name)) return l.get(i);
return null;
}
private AvatarAttribute getTimerByName(String _name, AvatarBlock _block) {
AvatarAttribute res = getAttributeByName(_name, _block);
if (res != null && res.getType() == AvatarType.TIMER) return res;
return null;
}
private AvatarStateMachineElement getState(StxState _s, AvatarBlock _b) {
AvatarStateMachineElement s = stateMap.get(_s);
if (s == null) {
switch(_s.getType()) {
case AvatarFromSysMLSyntax.STXSTARTSTATE :
s = new AvatarStartState("StartState", null, _b);
break;
case AvatarFromSysMLSyntax.STXSTANDARDSTATE :
s = new AvatarState(_s.getName(), null, _b);
break;
case AvatarFromSysMLSyntax.STXRANDOMSTATE :
s = new AvatarRandom(_s.getName(), null, _b);
break;
case AvatarFromSysMLSyntax.STXCOUNTSTATE :
s = new AvatarQueryOnSignal(_s.getName(), getSignal(_s.getSignal()),
getAttributeByName(_s.getVariable().replaceAll("\\.", "__"),_b), null, _b);
break;
case AvatarFromSysMLSyntax.STXSTOPSTATE :
case AvatarFromSysMLSyntax.STXSENDSTATE :
case AvatarFromSysMLSyntax.STXRECEIVESTATE :
s = new AvatarActionOnSignal(_s.getName(), null, null, _b);
break;
case AvatarFromSysMLSyntax.STXPRESENDSTATE :
case AvatarFromSysMLSyntax.STXPRERECEIVESTATE :
addError(new AvatarFromSysMLError(AvatarFromSysMLError.BUGERROR, null,
"adding precom state (AvatarFromSysML.getState)", null));
break;
case AvatarFromSysMLSyntax.STXSETTIMERSTATE :
s = new AvatarSetTimer(_s.getName(), null, _b);
break;
case AvatarFromSysMLSyntax.STXRESETTIMERSTATE :
s = new AvatarResetTimer(_s.getName(), null, _b);
break;
case AvatarFromSysMLSyntax.STXEXPIRETIMERSTATE :
s = new AvatarExpireTimer(_s.getName(), null, _b);
}
if (s != null) stateMap.put(_s, s);
}
return s;
}
// BUILDING DATATYPES %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
private class BuildDataType implements BiConsumer<String, StxDataType> {
private HashMap<String,AvatarDataType> dataTypeMap;
private HashMap<AvatarAttribute,String> attributeMap;
public BuildDataType(HashMap<String,AvatarDataType> _dataTypeMap, HashMap<AvatarAttribute,String> _attributeMap) {
dataTypeMap = _dataTypeMap;
attributeMap = _attributeMap;
}
public void accept(String n, StxDataType d) {
AvatarDataType dataType = new AvatarDataType(d.getName(),null);
avSpec.addDataType(dataType);
dataTypeMap.put(d.getName(), dataType);
int nbFields = d.getSize();
for (int i = 0; i < nbFields; i++) {
StxField f = d.getField(i);
String type = f.getType();
AvatarAttribute aa;
if(type.equals("Integer"))
aa = new AvatarAttribute(f.getName(),AvatarType.INTEGER,null,null);
else if(type.equals("Boolean"))
aa = new AvatarAttribute(f.getName(),AvatarType.BOOLEAN,null,null);
else {
aa = new AvatarAttribute(f.getName(), AvatarType.UNDEFINED, null, null);
attributeMap.put(aa, type);
}
String initVal = f.getInitialValue().trim();
if(f.getDefaultValue() && initVal.equals(aa.getType().getDefaultInitialValue()))
aa.setInitialValue("");
else aa.setInitialValue(initVal);
dataType.addAttribute(aa);
}
}
}
private class CompleteDataTypeAttribute implements BiConsumer<AvatarAttribute,String> {
HashMap<String,AvatarDataType> dataTypeMap;
public CompleteDataTypeAttribute(HashMap<String,AvatarDataType> _dataTypeMap) { dataTypeMap = _dataTypeMap;}
public void accept(AvatarAttribute aa, String dt) {
AvatarDataType adt = dataTypeMap.get(dt);
if (adt == null) {
errors.add(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, "datatype " + dt + " in datatype field " +
aa.getName() + " is undefined"));
aa.setType(AvatarType.INTEGER);
}
else aa.setDataType(adt);}
}
private void buildDataTypes(){
List<AvatarDataType> dtList = avSpec.getDataTypes();
HashMap<String,AvatarDataType> dataTypeMap = new HashMap<String,AvatarDataType>();
HashMap<AvatarAttribute,String> attributeMap = new HashMap<AvatarAttribute,String>();
stxSpec.getDataTypeMap().forEach(new BuildDataType(dataTypeMap, attributeMap));
attributeMap.forEach(new CompleteDataTypeAttribute(dataTypeMap));
List<String> err = new ArrayList<String>();
primitiveFieldsMap = AvatarDataTypePrimitiveFields.buildMap(dtList, err);
for(String e : err) errors.add(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR,e));
}
Location location = null;
// BUILDING BLOCKS (but not statemachines) %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
private class BuildBlock implements BiConsumer<String, StxBlock> {
List<AvatarDataType> dataTypeList;
public BuildBlock(){}
public void accept(String n, StxBlock blk) {
if (!blk.isDeclared()) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR,
"block " + blk.getName() +"has been used but has not been declared"));
return;
}
AvatarBlock theBlock = getBlock(blk);
avSpec.addBlock(theBlock);
// set father
StxBlock fth = blk.getFather();
if (fth != null) theBlock.setFather(getBlock(fth));
// add Attributes
int size = blk.getNbAttributes();
for (int i = 0; i < size; i++) {
StxAttribute a = blk.getAttribute(i);
String initVal = a.getInit().trim();
AvatarAttribute aa;
AvatarAttribute ax;
if (a.getType().equals("Integer")) {
aa = new AvatarAttribute(a.getName(), AvatarType.INTEGER, theBlock, null);
ax = new AvatarAttribute(a.getName(), AvatarType.INTEGER, theBlock, null);
if(a.getDefaultValue() && initVal.equals(AvatarType.INTEGER.getDefaultInitialValue()))
initVal = "";
aa.setInitialValue(initVal);
ax.setInitialValue(initVal);
theBlock.addAttribute(ax);
ax.setAsConstant(false);
}
else if (a.getType().equals("Boolean")) {
aa = new AvatarAttribute(a.getName(), AvatarType.BOOLEAN, theBlock, null);
ax = new AvatarAttribute(a.getName(), AvatarType.BOOLEAN, theBlock, null);
if(a.getDefaultValue() && initVal.equals(AvatarType.BOOLEAN.getDefaultInitialValue()))
initVal = "";
aa.setInitialValue(initVal);
ax.setInitialValue(initVal);
theBlock.addAttribute(ax);
ax.setAsConstant(false);
}
else {
aa = new AvatarAttribute(a.getName(), AvatarType.UNDEFINED, theBlock, null);
AvatarDataType adt = avSpec.getDataTypeByName(a.getType());
aa.setDataType(adt);
String aaName = a.getName() + "__";
AvatarDataTypePrimitiveFields primitiveFields = primitiveFieldsMap.get(adt);
int dtsize = primitiveFields.size();
for (int j = 0; j < dtsize; j++) {
ax = new AvatarAttribute(aaName + primitiveFields.getName(j),
primitiveFields.getType(j), theBlock, null);
theBlock.addAttribute(ax);
ax.setAsConstant(false);
}
}
theBlock.addOriginalAttribute(aa);
aa.setAsConstant(false);
}
// add Constants
size = blk.getNbConstants();
for (int i = 0; i < size; i++) {
StxAttribute a = blk.getConstant(i);
String initVal = a.getInit().trim();
AvatarAttribute aa = null;
AvatarAttribute ax;
if (a.getType().equals("Integer")) {
aa = new AvatarAttribute(a.getName(), AvatarType.INTEGER, theBlock, null);
theBlock.addOriginalAttribute(aa);
aa.setAsConstant(true);
ax = new AvatarAttribute(a.getName(), AvatarType.INTEGER, theBlock, null);
theBlock.addAttribute(ax);
ax.setAsConstant(true);
if(a.getDefaultValue() && initVal.equals(AvatarType.INTEGER.getDefaultInitialValue()))
initVal = "";
aa.setInitialValue(initVal);
ax.setInitialValue(initVal);
}
else if (a.getType().equals("Boolean")) {
aa = new AvatarAttribute(a.getName(), AvatarType.BOOLEAN, theBlock, null);
theBlock.addOriginalAttribute(aa);
aa.setAsConstant(true);
ax = new AvatarAttribute(a.getName(), AvatarType.BOOLEAN, theBlock, null);
theBlock.addAttribute(ax);
ax.setAsConstant(true);
if(a.getDefaultValue() && initVal.equals(AvatarType.BOOLEAN.getDefaultInitialValue()))
initVal = "";
aa.setInitialValue(initVal);
ax.setInitialValue(initVal);
}
else
addError(new AvatarFromSysMLError(AvatarFromSysMLError.LOWERROR,
a.getLeft(), "datatype for constants is not supported", null));
}
// add Timers
size = blk.getNbTimers();
for (int i = 0; i < size; i++) {
AvatarAttribute aa = new AvatarAttribute(blk.getTimer(i).getName(), AvatarType.TIMER, theBlock, null);
theBlock.addOriginalAttribute(aa);
aa.setAsConstant(false);
aa = new AvatarAttribute(blk.getTimer(i).getName(), AvatarType.TIMER, theBlock, null);
theBlock.addAttribute(aa);
aa.setAsConstant(false);
}
// add Methods
size = blk.getNbMethods();
for (int i = 0; i < size; i++) {
StxMethod sm = blk.getMethod(i);
AvatarMethod am = new AvatarMethod(sm.getName(),null);
theBlock.addMethod(am);
buildProfile(sm, am, theBlock);
String returnType = sm.getReturnType();
if (returnType == null || returnType.length() == 0) continue;
if (returnType.equals("Integer")) {
am.addReturnParameter(new AvatarAttribute("return__0", AvatarType.INTEGER, theBlock, null));
am.addOriginalReturnParameter(new AvatarAttribute("return__", AvatarType.INTEGER, theBlock, null));
}
else if (returnType.equals("Boolean")) {
am.addReturnParameter(new AvatarAttribute("return__0", AvatarType.BOOLEAN, theBlock, null));
am.addOriginalReturnParameter(new AvatarAttribute("return__", AvatarType.BOOLEAN, theBlock, null));
}
else {
AvatarDataType adt = avSpec.getDataTypeByName(returnType);
if (adt == null)
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, sm.getLeft(),
"unknown type for method return parameter", null));
AvatarAttribute ret = new AvatarAttribute("return__", AvatarType.UNDEFINED, theBlock, null);
ret.setDataType(adt);
am.addOriginalReturnParameter(ret);
AvatarDataTypePrimitiveFields primitiveFields = primitiveFieldsMap.get(adt);
int dtsize = primitiveFields.size();
for (int j = 0; j < dtsize; j++) {
ret = new AvatarAttribute("return__" + j,
primitiveFields.getType(j), theBlock, null);
am.addReturnParameter(ret);
}
}
}
// add Signals (build profile delayed)
size = blk.getNbSignals();
for (int i = 0; i < size; i++) {
StxSignal ss = blk.getSignal(i);
AvatarSignal as = getSignal(ss);
if (!ss.isDeclared()) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.LOWERROR, ss.getLeft(),
"signal " + theBlock.getName() + "." + ss.getName() + " has not been declared"));
continue;
}
theBlock.addSignal(as);
StxChannel ch = ss.getChannel();
if (ch == null) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.LOWERROR, ss.getLeft(),
"channel of signal " + ss.getName() + " has not been set"));
continue;
}
if (!ch.isDeclared()) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.LOWERROR, ss.getLeft(),
"channel of signal " + theBlock.getName() + "." + ss.getName() + " has not been declared"));
continue;
}
if (ss.isInput()) {
StxInMessage im = ss.getChannel().getInProfile();
if (im == null) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.LOWERROR, ss.getLeft(),
"input profile of signal " + ss.getName() + " has not been set"));
continue;
}
buildProfile(im, as, theBlock);
}
else {
StxOutMessage om = ss.getChannel().getOutProfile();
if (om == null) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.LOWERROR, ss.getLeft(),
"output profile of signal " + ss.getName() + " has not been set"));
continue;
}
buildProfile(om, as, theBlock);
}
}
}
}
private class BuildStateMachine implements BiConsumer<String, StxBlock> {
List<AvatarDataType> dataTypeList;
public BuildStateMachine(){}
public void accept(String n, StxBlock blk) {
AvatarBlock theBlock = getBlock(blk);
StxState[] states = blk.getStates();
AvatarStateMachine asm = theBlock.getStateMachine();
AvatarStateMachineElement theSourceState;
transitionMap.clear();
int size = states.length;
for (int i = 0; i < size; i++) {
byte stateType = states[i].getType();
boolean undeclaredState = false;
if (! states[i].isDeclared()) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR,
"state " + theBlock.getName() + "." + states[i].getName() + " is used but not declared"));
stateType = AvatarFromSysMLSyntax.STXSTANDARDSTATE;
undeclaredState = true;
}
if (stateType != AvatarFromSysMLSyntax.STXPRESENDSTATE &&
stateType != AvatarFromSysMLSyntax.STXPRERECEIVESTATE &&
stateType != AvatarFromSysMLSyntax.STXSTOPSTATE ) {
if (undeclaredState) {
states[i].setType(AvatarFromSysMLSyntax.STXSTANDARDSTATE);
}
theSourceState = getState(states[i], theBlock);
addState(theSourceState, theBlock);
asm.addElement(theSourceState);
if (stateType == AvatarFromSysMLSyntax.STXRANDOMSTATE) {
((AvatarRandom) theSourceState).setOriginalValues(states[i].getMinValue(), states[i].getMaxValue());
((AvatarRandom) theSourceState).setValues(
states[i].getMinValue().replaceAll("\\.", "__"),
states[i].getMaxValue().replaceAll("\\.", "__"));
((AvatarRandom) theSourceState).setVariable(states[i].getVariable().replaceAll("\\.", "__"));
} else if (stateType == AvatarFromSysMLSyntax.STXSTARTSTATE)
asm.setStartState((AvatarStartState) theSourceState);
// add transitions
List<StxTransition> transitions = states[i].getTransitions();
int tsize = transitions.size();
if (tsize > 1 && stateType != AvatarFromSysMLSyntax.STXSTANDARDSTATE) {
tsize = 1;
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, states[i].getTransitions().get(1).getLeft(),
"state " + states[i].getName() + " only accept one single outgoing transition",
states[i].getTransitions().get(1).getRleft()));
}
for (int j = 0; j < tsize; j++) {
StxTransition transition = transitions.get(j);
if (transition == null) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, states[i].getLeft(),
"something is wrong in state " + states[i].getName() + " : null transition found"));
continue;
}
if (! transition.isDeclared()) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, transition.getRleft(),
"transition request in state " + states[i].getName() + " of block " + theBlock.getName() +
" has no associated declaration" ));
continue;
}
if (! transition.isRequested()) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, transition.getLeft(),
"transition has no request in state " + states[i].getName()));
continue;
}
AvatarTransition theTransition = new AvatarTransition(theBlock,"", null);
if (transition.getGuard() != null) {
theTransition.setGuard(
"[" + transition.getGuard().replaceAll("\\.", "__") + "]",
"[" + transition.getGuard() + "]");
}
String minDelay = transition.getMinDelay().trim();
String maxDelay = transition.getMaxDelay().trim();
if (minDelay.equals(maxDelay)) maxDelay = "";
theTransition.setDelays(
minDelay.replaceAll("\\.", "__"),
maxDelay.replaceAll("\\.", "__"),
minDelay,
maxDelay);
setDistributionLaw(theTransition, transition.getDelayDistributionLaw(),transition.getDelayExtra(), transition);
theTransition.setProbability(transition.getProbability());
// add actions
List<StxAction> actions = transition.getActions(); // should exist only in some cases...
int asize = actions.size();
for (int k = 0; k < asize; k++) {
StxAction action = actions.get(k);
location = action.getLeft();
if(action.getType() == AvatarFromSysMLSyntax.STXASSIGNACTION){
String originalLeftHandStr = action.getTarget();
String leftHandStr = extendIdent(action.getTarget().replaceAll("\\.", "__"), blk);
String originalRightHandStr;
String rightHandStr;
StxTerm value = action.getValue();
if (value instanceof StxId) {
originalRightHandStr = ((StxId)value).toString();
rightHandStr = ((StxId)value).toString().replaceAll("\\.", "__");
}
else if (value instanceof StxExpr){
originalRightHandStr = ((StxExpr)value).toString();
rightHandStr = ((StxExpr)value).toString().replaceAll("\\.", "__");
}
else {
originalRightHandStr = extendOriginalCall((StxCall)value,blk);
rightHandStr = extendCall((StxCall)value,blk);
}
theTransition.addAction(leftHandStr + "=" + rightHandStr,
originalLeftHandStr + "=" + originalRightHandStr);
}
else { // STXMETHODACTION
if (action.getValue() instanceof StxCall) { // else ERROR
String originalTermStr = extendOriginalCall((StxCall)action.getValue(),blk);
String termStr = extendCall((StxCall)action.getValue(),blk);
theTransition.addAction(termStr, originalTermStr);
}
}
}
if (transition.getTarget() == null) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, transition.getRleft(),
"something is wrong in transition : no target defined", transition.getLeft()));
continue;
}
if (transition.getTarget().getType() == AvatarFromSysMLSyntax.STXPRESENDSTATE ||
transition.getTarget().getType() == AvatarFromSysMLSyntax.STXPRERECEIVESTATE) {
if (transition.getTarget().getTransitions().size() == 0 ||
transition.getTarget().getTransition(0) == null) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, transition.getTarget().getLeft(),
"something is wrong in precommunication state " + transition.getTarget().getName() +
" : no outgoing transition"));
continue;
}
byte type = transition.getTarget().getType();
transition = transition.getTarget().getTransition(0);
if (type == AvatarFromSysMLSyntax.STXPRESENDSTATE &
! ( ( transition.getTarget().getType() == AvatarFromSysMLSyntax.STXSENDSTATE &&
transition.getType() == AvatarFromSysMLSyntax.STXSENDTRANSITION ) ||
( transition.getTarget().getType() == AvatarFromSysMLSyntax.STXSETTIMERSTATE &&
transition.getType() == AvatarFromSysMLSyntax.STXSETTIMERTRANSITION ) ||
( transition.getTarget().getType() == AvatarFromSysMLSyntax.STXRESETTIMERSTATE &&
transition.getType() == AvatarFromSysMLSyntax.STXRESETTIMERTRANSITION ) )) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, transition.getTarget().getLeft(),
"outgoing transitions from pre-send state must be sending transitions leading to some sending state " +
"(send/set timer /reset timer)", transition.getLeft()));
continue;
}
if (type == AvatarFromSysMLSyntax.STXPRERECEIVESTATE &
! ( ( transition.getTarget().getType() == AvatarFromSysMLSyntax.STXRECEIVESTATE &&
transition.getType() == AvatarFromSysMLSyntax.STXRECEIVETRANSITION ) ||
( transition.getTarget().getType() == AvatarFromSysMLSyntax.STXEXPIRETIMERSTATE &&
transition.getType() == AvatarFromSysMLSyntax.STXEXPIRETIMERTRANSITION ) )) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, transition.getTarget().getLeft(),
"outgoing transitions from pre-reveive state must be sending transitions leading to some " +
"receivinging state (receive/expire timer)", transition.getLeft()));
continue;
}
}
AvatarStateMachineElement tgtState;
if (transition.getTarget().getType() == AvatarFromSysMLSyntax.STXSTOPSTATE) {
if (transition.getTarget().getTransitions().size() != 0) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.LOWWARNING, transition.getTarget().getLeft(),
"stopstate should not have outgoing transitions"));
}
tgtState = new AvatarStopState("StopState", null, theBlock);
addState(tgtState, theBlock);
}
else tgtState = getState(transition.getTarget(), theBlock);
addState(tgtState, theBlock);
byte tgtType = transition.getTarget().getType();
Location tgtLoc = transition.getTarget().getLeft();
if (transition.getType() == AvatarFromSysMLSyntax.STXSENDTRANSITION) {
if(tgtState instanceof AvatarActionOnSignal) {
AvatarActionOnSignal state = (AvatarActionOnSignal)tgtState;
if (transition.getSignal() == null) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, transition.getRleft(),
"sending transition should have an associated signal", transition.getLeft()));
continue;
}
state.setSignal( getSignal(transition.getSignal()));
if (state.getSignal().isIn()) {
new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, transition.getRleft(),
"signal of sending transition must be an output signal", transition.getSignal().getLeft());
continue;
}
if (! transition.getSignal().isDeclared()) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.LOWERROR, transition.getRleft(),
"transition uses a signal " + transition.getSignal().getName() + " that has not been declared"));
continue;
}
location = transition.getRleft();
ArrayList<StxTerm> sendPayload = transition.getSendPayload();
if (sendPayload != null) {
int nbParam = sendPayload.size();
for(int u = 0; u < nbParam; u++) {
StxTerm p = sendPayload.get(u);
if (p instanceof StxId) {
state.addOriginalValue(p.toString());
String[] ids;
String extendedPath = extendPath(p.toString().replaceAll("\\.", "__"), blk);
if (extendedPath == null) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.LOWERROR, p.getLeft(), "attribute \"" +
p.toString() + "\" cannot be typed"));
AvatarDataType adt = state.getSignal().getListOfOriginalAttributes().get(u).getDataType();
if (adt == null) {
ids = new String[1];
ids[0] = p.toString();
} else {
ids = extendName(p.toString().replaceAll("\\.", "__"),adt).split(",");
}
}
else ids = extendedPath.split(",");
int isize = ids.length;
for (int w = 0; w < isize; w++) state.addValue(ids[w]);
}
else if (p instanceof StxExpr) {
state.addOriginalValue( p.toString() );
state.addValue( p.toString().replaceAll("\\.", "__"));
}
else {
state.addOriginalValue(extendOriginalCall((StxCall)p,blk));
state.addValue(extendCall((StxCall)p,blk));
}
}
}
}
else {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, transition.getLeft(),
"sending transition should lead to a send state", transition.getRleft()));
continue;
}
}
else if (transition.getType() == AvatarFromSysMLSyntax.STXRECEIVETRANSITION) {
if(tgtState instanceof AvatarActionOnSignal) {
AvatarActionOnSignal state = (AvatarActionOnSignal)tgtState;
if (transition.getSignal() == null) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, transition.getRleft(),
"receiving transition should have an associated signal", transition.getLeft()));
continue;
}
state.setSignal(getSignal(transition.getSignal()));
if (! transition.getSignal().isDeclared()) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.LOWERROR, transition.getRleft(),
"transition uses a signal " + transition.getSignal().getName() + " that has not been declared"));
continue;
}
if (state.getSignal().isOut()) {
new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, transition.getRleft(),
"signal of receiving transition must be an input signal", transition.getSignal().getLeft());
continue;
}
if (transition.getSignal().getChannel() == null) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, transition.getRleft(),
"signal of receiving transition doesn't have an associated channel", transition.getSignal().getLeft()));
continue;
}
location = transition.getLeft();
List<AvatarAttribute> profile = state.getSignal().getListOfOriginalAttributes();
if (profile != null && !profile.isEmpty()) {
HashMap<String, String> receivePayload = transition.getReceivePayload();
int nbParams = profile.size();
for (int k = 0; k < nbParams; k++) {
AvatarAttribute aa = profile.get(k);
String value;
if (aa == null) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.LOWERROR, transition.getLeft(),
"parameter " + k + " of signal " + state.getSignal().getName() +
" is not well defined"));
value = "";
} else {
value = receivePayload.get(aa.getName());
if (value == null) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.LOWERROR, transition.getLeft(),
"receiving transition has a missing field"));
value = "";
}
}
state.addOriginalValue(value);
String[] ids;
String extendedPath = extendPath(value.replaceAll("\\.", "__"), blk);
if (extendedPath == null) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.LOWERROR, location, "attribute \"" +
value + "\" cannot be typed"));
AvatarDataType adt = profile.get(k).getDataType();
if (adt == null) {
ids = new String[1];
ids[0] = value;
} else {
ids = extendName(value.replaceAll("\\.", "__"),adt).split(",");
}
}
else ids = extendedPath.split(",");
int isize = ids.length;
for (int w = 0; w < isize; w++) state.addValue(ids[w]);
}
}
}
else {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, transition.getLeft(),
"receiving transition should lead to a receive state", transition.getRleft()));
continue;
}
}
else if (transition.getType() == AvatarFromSysMLSyntax.STXSETTIMERTRANSITION) {
if(tgtState instanceof AvatarSetTimer) {
AvatarSetTimer state = (AvatarSetTimer) tgtState;
if (transition.getTimer() == null) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, transition.getLeft(),
"set-timer transition has no associated timer", transition.getRleft()));
continue;
}
state.setTimer(getTimerByName(transition.getTimer(), theBlock));
if (transition.getSendPayload() == null || transition.getSendPayload().size() != 1
|| !(transition.getSendPayload().get(0) instanceof StxExpr)) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, transition.getLeft(),
"payload of set-timer transition is not well formed", transition.getRleft()));
continue;
}
state.setTimerValue(((StxExpr)transition.getSendPayload().get(0)).toString().replaceAll(".","__"));
state.setTimerOriginalValue(((StxExpr)transition.getSendPayload().get(0)).toString());
}
else {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, transition.getLeft(),
"set-timer transition should lead to a set-timer state", transition.getRleft()));
continue;
}
}
else if (transition.getType() == AvatarFromSysMLSyntax.STXRESETTIMERTRANSITION) {
if(tgtState instanceof AvatarResetTimer) {
AvatarResetTimer state = (AvatarResetTimer) tgtState;
if (transition.getTimer() == null) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, transition.getLeft(),
"reset-timer transition has no associated timer", transition.getRleft()));
continue;
}
state.setTimer(getTimerByName(transition.getTimer(), theBlock));
}
else {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, transition.getLeft(),
"reset-timer transition should lead to a reset-timer state", transition.getRleft()));
continue;
}
}
else if (transition.getType() == AvatarFromSysMLSyntax.STXEXPIRETIMERTRANSITION) {
if(tgtState instanceof AvatarExpireTimer) {
AvatarExpireTimer state = (AvatarExpireTimer) tgtState;
if (transition.getTimer() == null) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, transition.getLeft(),
"expire-timer transition has no associated timer", transition.getRleft()));
continue;
}
state.setTimer(getTimerByName(transition.getTimer(), theBlock));
}
else {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, transition.getLeft(),
"expire-timer transition should lead to a expire-timer state", transition.getRleft()));
continue;
}
}
else if (! (tgtType == AvatarFromSysMLSyntax.STXSTOPSTATE ||
tgtType == AvatarFromSysMLSyntax.STXSTANDARDSTATE ||
tgtType == AvatarFromSysMLSyntax.STXRANDOMSTATE ||
tgtType == AvatarFromSysMLSyntax.STXCOUNTSTATE ||
tgtType == AvatarFromSysMLSyntax.STXSTARTSTATE) ) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, transition.getLeft(),
"transition type is not consistant with the type of its target state", tgtLoc));
continue;
}
asm.addElement(theTransition);
theSourceState.addNext(theTransition);
addTransition(theTransition, tgtState);
theTransition.addNext(tgtState);
}
}
}
transitionMap.forEach(new CheckIncommings());
}
}
private class CheckIncommings implements BiConsumer<AvatarStateMachineElement, StateTransitions> {
List<AvatarDataType> dataTypeList;
public CheckIncommings(){}
public void accept(AvatarStateMachineElement e, StateTransitions st) {
int s = st.getTransitions().size();
if (s == 0 && ! (e instanceof AvatarStartState)) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.LOWERROR, "state " + e.getName() +
" of block " + st.getBlock().getName() + " is unreachable --> removed"));
st.getBlock().getStateMachine().removeElement(e);
for(AvatarStateMachineElement x : e.getNexts())
st.getBlock().getStateMachine().removeElement(x);
}
if (s > 0 && (e instanceof AvatarStartState)) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.LOWERROR, "start state in bloc " +
st.getBlock().getName() + " has some input transition"));
for(int i = 0; i < s; i++) {
st.getTransitions().get(i).getNexts().clear();
AvatarStopState nw = new AvatarStopState("errorstate",null, st.getBlock());
st.getTransitions().get(i).addNext(nw);
st.getBlock().getStateMachine().addElement(nw);
}
}
if (s > 1 && !(e instanceof AvatarStartState || e instanceof AvatarStateElement)) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.LOWERROR, "state " + e.getName() + " in bloc " +
st.getBlock().getName() + " has more than one incomming transition"));
for(int i = 1; i < s; i++) {
st.getTransitions().get(i).getNexts().clear();
AvatarStopState nw = new AvatarStopState("errorstate",null, st.getBlock());
st.getTransitions().get(i).addNext(nw);
st.getBlock().getStateMachine().addElement(nw);
}
}
}
}
private void buildBlocks(){
stxSpec.getBlockMap().forEach(new BuildBlock());
stxSpec.getBlockMap().forEach(new BuildStateMachine());
}
private void setDistributionLaw(AvatarTransition _t, String distributionLaw, HashMap<String,String> delayExtra, StxTransition _st) {
int law = -1;
int size;
if (distributionLaw == null || distributionLaw.equals("")) law = AvatarTransition.DELAY_UNIFORM_LAW;
else {
size = _t.DISTRIBUTION_LAWS.length;
for (int i = 0; i < size; i++) {
if (_t.DISTRIBUTION_LAWS[i].equals(distributionLaw)) {
law = i;
break;
}
}
if (law == -1) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, _st.getLeft(),
"transition with unknown transition law : " + distributionLaw + " (set to uniform)"));
law = AvatarTransition.DELAY_UNIFORM_LAW;
}
}
String extra1 = _t.LABELS_OF_EXTRA_ATTRIBUTES_1[law];
String extra2 = _t.LABELS_OF_EXTRA_ATTRIBUTES_2[law];
size = _t.NB_OF_EXTRA_ATTRIBUTES[law];
String tmpString;
if (size > 0) {
tmpString = extra1;
extra1 = delayExtra.get(extra1);
if (extra1 == null) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.LOWERROR, _st.getLeft(),
"transition law : " + distributionLaw + " requires a " + tmpString + " parameter"));
}
if (size > 1) {
tmpString = extra2;
extra2 = delayExtra.get(extra2);
if (extra2 == null) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.LOWERROR, _st.getLeft(),
"transition law : " + distributionLaw + " requires a " + tmpString + " parameter"));
}
}
}
if (delayExtra != null && delayExtra.size() > size) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.LOWWARNING, _st.getLeft(),
"transition law : " + distributionLaw + " has too much parameters"));
}
_t.setDistributionLaw(law, extra1, extra2);
}
private void buildProfile(StxStructure ss, AvatarMethod am, AvatarBlock b) {
AvatarAttribute aa;
int size = ss.getSize();
for (int i = 0; i < size; i++) {
String type = ss.getFieldType(i);
if (type.equals("Integer")){
aa = new AvatarAttribute(ss.getFieldName(i), AvatarType.INTEGER, b, null);
am.addOriginalParameter(aa);
aa.setAsConstant(false);
aa = new AvatarAttribute(ss.getFieldName(i), AvatarType.INTEGER, b, null);
am.addParameter(aa);
aa.setAsConstant(false);
} else if (type.equals("Boolean")) {
aa = new AvatarAttribute(ss.getFieldName(i), AvatarType.BOOLEAN, b, null);
am.addOriginalParameter(aa);
aa.setAsConstant(false);
aa = new AvatarAttribute(ss.getFieldName(i), AvatarType.BOOLEAN, b, null);
am.addParameter(aa);
aa.setAsConstant(false);
} else {
AvatarDataType adt = avSpec.getDataTypeByName(type);
if (adt == null) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.LOWWARNING, ss.getLeft(),
"message profile uses undefined datatype " + type));
}
String aaName = ss.getFieldName(i);
aa = new AvatarAttribute(aaName, AvatarType.UNDEFINED, b, null);
aa.setDataType(adt);
am.addOriginalParameter(aa);
aa.setAsConstant(false);
aaName = aaName + "__";
AvatarDataTypePrimitiveFields primitiveFields = primitiveFieldsMap.get(adt);
int dtsize = primitiveFields.size();
for (int j = 0; j < dtsize; j++) {
aa = new AvatarAttribute(aaName + primitiveFields.getName(j),
primitiveFields.getType(j), b, null);
am.addParameter(aa);
aa.setAsConstant(false);
}
}
}
}
private String getStxAttributeType(String name, StxBlock blk){
int size = blk.getNbAttributes();
for (int i = 0; i < size; i++) {
if (blk.getAttribute(i).getName().equals(name)) return blk.getAttribute(i).getType();
}
return null;
}
private String getStxPathType(String s, StxBlock b) {
String[] path = s.split("__");
String type = getStxAttributeType(path[0], b);
int size = path.length;
for (int i = 1; i < size; i++) {
AvatarDataType adt = avSpec.getDataTypeByName(type);
if (adt == null) return null;
int nbFields = adt.attributeNb();
int j;
for (j = 0; j < nbFields; j++)
if (adt.getAttribute(j).getName().equals(path[i])) break;
if (j == nbFields) return null;
AvatarType adtType = adt.getAttribute(j).getType();
if (adtType == AvatarType.INTEGER)
type = "Integer";
else if (adtType == AvatarType.BOOLEAN)
type = "Boolean";
else
type = adt.getAttribute(j).getDataType().getName();
}
return type;
}
private String extendString;
private AvatarDataType extendDataType;
private AvatarType extendPrimitiveType;
private String extendPath(String path, StxBlock b) {
extendString = getStxPathType(path, b);
if (extendString == null) {
extendDataType = null;
extendPrimitiveType = null;
return null;
}
if (extendString.equals("Integer")) {
extendDataType = null;
extendPrimitiveType = AvatarType.INTEGER;
return path;
}
if (extendString.equals("Boolean")) {
extendDataType = null;
extendPrimitiveType = AvatarType.BOOLEAN;
return path;
}
extendPrimitiveType = null;
extendDataType = avSpec.getDataTypeByName(extendString);
if (extendDataType != null)
return extendName(path, extendDataType);
else return null;
}
private String extendName(String name, AvatarDataType adt) {
if (adt != null) {
AvatarDataTypePrimitiveFields primitiveFields = primitiveFieldsMap.get(adt);
int size = primitiveFields.size() -1;
StringBuffer res = new StringBuffer();
int i;
for (i = 0; i < size; i++)
res.append(name + "__" + primitiveFields.getName(i) + ", ");
res.append(name + "__" + primitiveFields.getName(i));
return res.toString();
}
else return null;
}
private String extendIdent (String path, StxBlock b) {
String result = extendPath(path, b);
return (result.indexOf(',') == -1 ? result : "(" + result + ")");
}
private String extendCall (StxCall call, StxBlock b) {
StringBuffer result = new StringBuffer();
int size = call.getNbIdents();
int i;
for (i =0 ; i < size; i++) {
result.append(call.getSegment(i));
result.append(extendPath(call.getIdent(i).replaceAll("\\.", "__"), b));
}
result.append(call.getSegment(i));
return result.toString().replaceAll("\\.", "__");
}
private String extendOriginalCall (StxCall call, StxBlock b) {
StringBuffer result = new StringBuffer();
int size = call.getNbIdents();
int i;
for (i =0 ; i < size; i++) {
result.append(call.getSegment(i));
result.append(call.getIdent(i));
}
result.append(call.getSegment(i));
return result.toString();
}
// BUILD RELATIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
private void buildRelations(){
stxSpec.getRelationMap().forEach(new BuildRelation());
}
private class BuildRelation implements BiConsumer<String, StxRelation> {
public BuildRelation() {
}
public void accept(String n, StxRelation r) {
if (!r.isDeclared()) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.LOWERROR,
"relation " + r.getName() +" has been used but has not been declared"));
int size = r.getSize();
if (size == 0) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.LOWWARNING, r.getLeft(),
"relation is empty"));
return;
} else {
int i = 0;
while (i < size && (r.getChannel(i).getBlockA() == null || r.getChannel(i).getBlockB() == null)) i++;
if (i == size) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR,
"cannot determine blocs of relation " + r.getName()));
return;
}
r.setBlock1(stxSpec.getBlockMap().get(r.getChannel(i).getBlockA()));
r.setBlock2(stxSpec.getBlockMap().get(r.getChannel(i).getBlockB()));
if (r.getBlock1() == null || r.getBlock2() == null) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR,
"cannot determine blocs of relation " + r.getName()));
return;
}
}
}
AvatarBlock blk1 = getBlock(r.getBlock1());
AvatarBlock blk2 = getBlock(r.getBlock2());
AvatarRelation theRelation = new AvatarRelation(n, blk1, blk2, null);
avSpec.addRelation(theRelation);
theRelation.setAsynchronous(r.getAsynchronous());
theRelation.setPrivate(r.getPrivate());
theRelation.setLossy(r.getLossy());
theRelation.setBlocking(r.getBlocking());
theRelation.setSizeOfFIFO(r.getFifoSize());
int size = r.getSize();
if (size == 0) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.LOWWARNING, r.getLeft(),
"relation " + r.getName() + " is empty"));
}
for (int i = 0; i < size; i++) {
StxChannel c = r.getChannel(i);
c.commuteSignals(r.getBlock1().getName());
if (!blk1.getName().equals(c.getBlockA()) || !blk2.getName().equals(c.getBlockB())) {
addError(new AvatarFromSysMLError(AvatarFromSysMLError.HIGHERROR, c.getLeft(),
"inconsistency between blocs of channel " + c.getName() + " and relation " + r.getName()));
continue;
}
if (c.getSignalA() != null && c.getSignalB() != null)
theRelation.addSignals(getSignal(c.getSignalA()),getSignal(c.getSignalB()));
else
addError(new AvatarFromSysMLError(AvatarFromSysMLError.LOWERROR, c.getLeft(),
"missing signal binding for channel"));
}
}
}
}