Examples with AltGuards org.eclipse.titan.designer.AST.TTCN3.statements.AltGuards used on opensource projects

Example 1 with AltGuards

use of org.eclipse.titan.designer.AST.TTCN3.statements.AltGuards in project titan.EclipsePlug-ins by eclipse.

the class Def_AltStatement_Writer method writeTestCaseAltStatement.

public void writeTestCaseAltStatement(Alt_Statement altStatement) {
    AltGuards currentAltGuards = altStatement.getAltGuards();
    String[] negativeConditions = new String[currentAltGuards.getNofAltguards()];
    String[] positiveConditions = new String[currentAltGuards.getNofAltguards()];
    // initialize values
    for (int i = 0; i < currentAltGuards.getNofAltguards(); i++) {
        AltGuard currentAltGuard = currentAltGuards.getAltguardByIndex(i);
        if (currentAltGuard instanceof Operation_Altguard) {
            Statement currentStatement = ((Operation_Altguard) currentAltGuard).getGuardStatement();
            if (currentStatement instanceof Receive_Port_Statement) {
                altReceiveCounter++;
                if (altGuardConditions.get(i) != null) {
                    // alt guard present && any port receive
                    if (altGuardPortReference.get(altReceiveCounter).equals("any port")) {
                        positiveConditions[i] = altGuardConditions.get(altReceiveCounter) + ".getValue()" + "&&(" + "anyPortReceive(true))";
                        negativeConditions[i] = altGuardConditions.get(altReceiveCounter) + ".getValue()" + "&&(" + "anyPortReceive(false))";
                    } else {
                        // alt guard present && normal port receive
                        positiveConditions[i] = altGuardConditions.get(altReceiveCounter) + ".getValue()" + "&&(" + altGuardPortReference.get(altReceiveCounter) + ".receive(" + altGuardReceiveValue.get(altReceiveCounter) + ",true)!=null)";
                        negativeConditions[i] = altGuardConditions.get(altReceiveCounter) + ".getValue()" + "&&(" + altGuardPortReference.get(altReceiveCounter) + ".receive(" + altGuardReceiveValue.get(altReceiveCounter) + ",false)!=null)";
                        if (altGuardReceiveValue.get(altReceiveCounter).startsWith("Templates")) {
                            altGuardReceiveType.set(altReceiveCounter, "Templates");
                        }
                    }
                } else {
                    // no alt guard && any port recieve
                    if (altGuardPortReference.get(altReceiveCounter).equals("any port")) {
                        positiveConditions[i] = "anyPortReceive(true)";
                        negativeConditions[i] = "anyPortReceive(false)";
                    } else {
                        // no alt guard && no receive parameter
                        if (altGuardReceiveType.get(altReceiveCounter).equals("noparam")) {
                            positiveConditions[i] = altGuardPortReference.get(altReceiveCounter) + ".receive(true)!=null";
                            negativeConditions[i] = altGuardPortReference.get(altReceiveCounter) + ".receive(false)!=null";
                        } else if (// no alt guard && typed port recieve
                        altGuardReceiveType.get(altReceiveCounter).equals("_TYPED_PARAM_")) {
                            negativeConditions[i] = altGuardPortReference.get(altReceiveCounter) + ".receive_" + altGuardReceiveValue.get(altReceiveCounter) + "(false)!=null";
                            if (altGuardReceiveAnyValValue.get(altReceiveCounter) != null) {
                                positiveConditions[i] = "(" + altGuardReceiveAnyValValue.get(altReceiveCounter) + "=" + altGuardPortReference.get(altReceiveCounter) + ".receive_" + altGuardReceiveValue.get(altReceiveCounter) + "(true))!=null";
                            } else {
                            }
                        } else {
                            // no alt guard && normal port recieve
                            positiveConditions[i] = altGuardPortReference.get(altReceiveCounter) + ".receive(" + altGuardReceiveValue.get(altReceiveCounter) + ",true)!=null";
                            negativeConditions[i] = altGuardPortReference.get(altReceiveCounter) + ".receive(" + altGuardReceiveValue.get(altReceiveCounter) + ",false)!=null";
                        }
                        if (altGuardReceiveValue.get(altReceiveCounter) != null && altGuardReceiveValue.get(altReceiveCounter).startsWith("Templates")) {
                            altGuardReceiveType.set(altReceiveCounter, "Templates");
                        }
                    }
                }
            }
            if (currentStatement instanceof Timeout_Statement) {
                timeOutCounter++;
                if (altGuardConditions.get(i) != null) {
                    positiveConditions[i] = altGuardConditions.get(i) + "&&(" + altGuardTimeout.get(timeOutCounter) + ".timeout()";
                    negativeConditions[i] = altGuardConditions.get(i) + "&&(!" + altGuardTimeout.get(i) + ".timeout()";
                } else {
                    positiveConditions[i] = altGuardTimeout.get(timeOutCounter) + ".timeout()";
                    negativeConditions[i] = "!" + altGuardTimeout.get(timeOutCounter) + ".timeout()";
                }
            }
        }
    }
    // write
    altString.append("rownum=" + altStatement.getLocation().getLine() + ";\r\n");
    altString.append("for(;;){" + "\r\n");
    altString.append("if(!(");
    for (int j = 0; j < negativeConditions.length; j++) {
        altString.append(negativeConditions[j]);
        if (j + 1 < negativeConditions.length) {
            altString.append("||");
        }
    }
    altString.append(")){" + "\r\n");
    // timer
    if (isThereAStartedTimer) {
        altString.append("long timeout = -1;" + "\r\n");
        altString.append("long newtimeout;" + "\r\n");
        altString.append("if(" + currentTimerName + ".running)if((newtimeout=(long)(" + currentTimerName + ".read().value*1000.0))<timeout || timeout == -1) timeout=newtimeout;" + "\r\n");
        altString.append("if(timeout>0) try{queue.poll(timeout,TimeUnit.MILLISECONDS);}catch(InterruptedException e){} " + "\r\n");
    } else {
        altString.append("try{queue.take();}catch(InterruptedException e){}" + "\r\n");
    }
    // endoftimer
    altString.append("}" + "\r\n");
    altString.append("this.lock();" + "\r\n");
    // ifwriter
    altReceiveCounter = -1;
    boolean isFirstIf = true;
    for (int i = 0; i < currentAltGuards.getNofAltguards(); i++) {
        AltGuard currentAltGuard = currentAltGuards.getAltguardByIndex(i);
        if (currentAltGuard instanceof Operation_Altguard) {
            Statement currentStatement = ((Operation_Altguard) currentAltGuard).getGuardStatement();
            StatementBlock currentStatementBlock = ((Operation_Altguard) currentAltGuard).getStatementBlock();
            if (isFirstIf) {
                altString.append("if(" + positiveConditions[i] + "){\r\n");
                isFirstIf = false;
            } else {
                altString.append("else if(" + positiveConditions[i] + "){\r\n");
            }
            if (currentStatement instanceof Receive_Port_Statement) {
                altReceiveCounter++;
                altString.append("rownum=" + currentStatement.getLocation().getLine() + ";\r\n");
                if (altGuardReceiveType.get(altReceiveCounter).equals("noparam")) {
                    altString.append("	TTCN3Logger.writeLog(compid, \"PORTEVENT\", sourcefilename, rownum, \"function\", \"" + nodeName + "\", \"RECEIVE event on port " + altGuardPortReference.get(altReceiveCounter) + "\", true);" + "\r\n");
                } else if (altGuardReceiveType.get(altReceiveCounter).equals("Templates")) {
                    String methodName = altGuardReceiveValue.get(altReceiveCounter);
                    if (methodName.endsWith("()") && methodName.startsWith("Templates.")) {
                        methodName = (String) methodName.subSequence(10, methodName.length() - 2);
                    }
                    altString.append("	TTCN3Logger.writeLog(compid, \"PORTEVENT\", sourcefilename, rownum, \"function\", \"" + nodeName + "\", \"RECEIVE event on port " + altGuardPortReference.get(altReceiveCounter) + ":\\n " + methodName + ":=\" + " + altGuardReceiveValue.get(altReceiveCounter) + ".toString(), true);" + "\r\n");
                } else if (altGuardReceiveType.get(altReceiveCounter).equals("any port")) {
                    altString.append("	TTCN3Logger.writeLog(compid, \"PORTEVENT\", sourcefilename, rownum, \"function\", \"" + nodeName + "\", \"RECEIVE event on port any port\", true);" + "\r\n");
                } else if (altGuardReceiveType.get(altReceiveCounter).equals("_TYPED_PARAM_")) {
                    altString.append("	TTCN3Logger.writeLog(compid, \"PORTEVENT\", sourcefilename, rownum, \"function\", \"" + nodeName + "\", \"RECEIVE event on port " + altGuardPortReference.get(altReceiveCounter) + ": type " + altGuardReceiveValue.get(altReceiveCounter) + "\", true);" + "\r\n");
                } else {
                    if (altGuardReceiveValue.get(altReceiveCounter) != null) {
                        altString.append("	TTCN3Logger.writeLog(compid, \"PORTEVENT\", sourcefilename, rownum, \"function\", \"" + nodeName + "\", \"RECEIVE event on port " + altGuardPortReference.get(altReceiveCounter) + ":\" + " + altGuardReceiveValue.get(altReceiveCounter) + ".toString(), true);" + "\r\n");
                    }
                }
            } else if (currentStatement instanceof Timeout_Statement) {
                altString.append("rownum=" + currentStatement.getLocation().getLine() + ";\r\n" + "TTCN3Logger.writeLog(compid, \"TIMEROP\", sourcefilename, rownum, \"function\", \"" + nodeName + "\", \"Timeout on timer " + currentTimerName + ".\", false);" + "\r\n");
            }
            boolean isThereARepeatStatement = false;
            for (int j = 0; j < currentStatementBlock.getSize(); j++) {
                Statement currentStatementBlockStatement = currentStatementBlock.getStatementByIndex(j);
                if (currentStatementBlockStatement instanceof Setverdict_Statement) {
                    Setverdict_Statement setVerdictStatement = (Setverdict_Statement) currentStatementBlockStatement;
                    String verdict = "";
                    if (setVerdictStatement.getVerdictValue() instanceof Verdict_Value) {
                        Verdict_Value verdictValue = (Verdict_Value) setVerdictStatement.getVerdictValue();
                        if (verdictValue.getValue().toString().equals("PASS")) {
                            verdict = "pass";
                        } else if (verdictValue.getValue().toString().equals("INCONC")) {
                            verdict = "inconc";
                        } else {
                            verdict = "fail";
                        }
                    }
                    altString.append("rownum=" + setVerdictStatement.getLocation().getLine() + ";\r\n");
                    altString.append("TTCN3Logger.writeLog(compid, \"VERDICTOP\", sourcefilename, rownum, \"function\", \"" + nodeName + "\", \"setverdict(" + verdict + "): \" + getVerdict() + \" -> " + verdict + "\", true);" + "\r\n");
                    altString.append("setVerdict(\"" + verdict + "\");" + "\r\n");
                }
                if (currentStatementBlockStatement instanceof Assignment_Statement) {
                    if (isFunction) {
                        functionParent.assignCounter++;
                        altString.append(functionParent.writeAssignmentStatement((Assignment_Statement) currentStatementBlockStatement));
                        String test = "";
                        test.toString();
                    } else if (isTestCase) {
                        testcaseParent.assignCounter++;
                        altString.append(testcaseParent.writeAssignmentStatement((Assignment_Statement) currentStatementBlockStatement));
                    }
                }
                if (currentStatementBlockStatement instanceof Send_Statement) {
                    if (isFunction) {
                        functionParent.sendCounter++;
                        altString.append(functionParent.writeSendStatement((Send_Statement) currentStatementBlockStatement));
                    } else if (isTestCase) {
                        testcaseParent.sendCounter++;
                        altString.append(testcaseParent.writeSendStatement((Send_Statement) currentStatementBlockStatement));
                    }
                }
                if (currentStatementBlockStatement instanceof Repeat_Statement) {
                    isThereARepeatStatement = true;
                }
            }
            if (isThereARepeatStatement) {
                isThereARepeatStatement = false;
            } else {
                altString.append("break;\r\n");
            }
            altString.append("}\r\n");
        }
    }
    altString.append("this.unlock();" + "\r\n");
    altString.append("}" + "\r\n");
}

Example 2 with AltGuards

use of org.eclipse.titan.designer.AST.TTCN3.statements.AltGuards in project titan.EclipsePlug-ins by eclipse.

the class Call_Statement method checkCallBody.

/**
 * Checks the response and exception handling part of a call operation.
 *
 * @param timestamp
 *                the timestamp of the actual build cycle.
 * @param portType
 *                the port type of the actual call statement.
 * @param signature
 *                the signature type of the actual call statement.
 */
private void checkCallBody(final CompilationTimeStamp timestamp, final Port_Type portType, final IType signature) {
    boolean hasCatchTimeout = false;
    for (int i = 0; i < altGuards.getNofAltguards(); i++) {
        final AltGuard altGuard = altGuards.getAltguardByIndex(i);
        if (!altguard_type.AG_OP.equals(altGuard.getType())) {
            continue;
        }
        final Statement statement = ((Operation_Altguard) altGuard).getGuardStatement();
        if (Statement_type.S_CATCH.equals(statement.getType())) {
            ((Catch_Statement) statement).setCallSettings(true, timerValue != null);
            hasCatchTimeout |= ((Catch_Statement) statement).hasTimeout();
        }
    }
    altGuards.setMyLaicStmt(altGuards, null);
    altGuards.setMyAltguards(altGuards);
    altGuards.check(timestamp);
    if (portType != null) {
        // operation.
        for (int i = 0; i < altGuards.getNofAltguards(); i++) {
            final AltGuard altguard = altGuards.getAltguardByIndex(i);
            if (!altguard_type.AG_OP.equals(altguard.getType())) {
                continue;
            }
            final Statement statement = ((Operation_Altguard) altguard).getGuardStatement();
            if (statement.getIsErroneous()) {
                continue;
            }
            switch(statement.getType()) {
                case S_GETREPLY:
                    {
                        final Reference tempPortReference = ((Getreply_Statement) statement).getPortReference();
                        if (tempPortReference == null) {
                            final String message = MessageFormat.format("The `{0}'' operation must refer to the same port as the previous `call'' statement: `{1}'' was expected instead of `any port''", statement.getStatementName(), portReference.getId().getDisplayName());
                            statement.getLocation().reportSemanticError(message);
                        } else if (!portReference.getId().equals(tempPortReference.getId())) {
                            final String message = MessageFormat.format("The `{0}'' operation refers to a different port than the previous `call'' statement: `{1}'' was expected instead of `{2}''", statement.getStatementName(), portReference.getId().getDisplayName(), tempPortReference.getId().getDisplayName());
                            tempPortReference.getLocation().reportSemanticError(message);
                        }
                        final TemplateInstance instance = ((Getreply_Statement) statement).getReceiveParameter();
                        if (instance != null) {
                            final IType tempSignature = instance.getExpressionGovernor(timestamp, Expected_Value_type.EXPECTED_DYNAMIC_VALUE);
                            if (tempSignature != null && signature != null && !signature.isCompatible(timestamp, tempSignature, null, null, null)) {
                                final String message = MessageFormat.format(GETRPELYTOWRONGSIGNATURE, signature.getTypename(), tempSignature.getTypename());
                                instance.getLocation().reportSemanticError(message);
                            }
                        }
                        break;
                    }
                case S_CATCH:
                    final Reference tempPortReference = ((Catch_Statement) statement).getPortReference();
                    if (tempPortReference == null) {
                        final String message = MessageFormat.format("The `{0}'' operation must refer to the same port as the previous `call'' statement: `{1}'' was expected instead of `any port''", statement.getStatementName(), portReference.getId().getDisplayName());
                        statement.getLocation().reportSemanticError(message);
                    } else if (!portReference.getId().equals(tempPortReference.getId())) {
                        final String message = MessageFormat.format("The `{0}'' operation refers to a different port than the previous `call'' statement: `{1}'' was expected instead of `{2}''", statement.getStatementName(), portReference.getId().getDisplayName(), tempPortReference.getId().getDisplayName());
                        tempPortReference.getLocation().reportSemanticError(message);
                    }
                    final Signature_Type tempSignature = ((Catch_Statement) statement).getSignatureType();
                    if (tempSignature != null && signature != null && !signature.isCompatible(timestamp, tempSignature, null, null, null)) {
                        final String message = MessageFormat.format("The `catch'' operation refers to a different signature than the previous `call'' statement: `{0}'' was expected instead of `{1}''", signature.getTypename(), tempSignature.getTypename());
                        statement.getLocation().reportSemanticError(message);
                    }
                    break;
                default:
                    break;
            }
        }
    }
    if (timerValue != null && !hasCatchTimeout) {
        location.reportSemanticWarning("The call operation has a timer, but the timeout expection is not cought");
    }
}

Example 3 with AltGuards

use of org.eclipse.titan.designer.AST.TTCN3.statements.AltGuards in project titan.EclipsePlug-ins by eclipse.

the class ReturnVisitor method visit.

@Override
public int visit(final IVisitableNode node) {
    // certain YES
    if (node instanceof Return_Statement) {
        certainty = ReturnCertainty.YES;
        return V_ABORT;
    }
    // 
    if (node instanceof StatementBlock || node instanceof StatementList) {
        final StatementBlockVisitor blockVis = new StatementBlockVisitor();
        node.accept(blockVis);
        certainty = blockVis.getCertainty();
        return V_SKIP;
    }
    // custom statements
    if (node instanceof While_Statement || node instanceof DoWhile_Statement || node instanceof For_Statement) {
        final BranchMerger branchMerger = new BranchMerger();
        node.accept(branchMerger);
        // conditional blocks: maximum MAYBE
        certainty = branchMerger.getCertainty().or(ReturnCertainty.NO);
        return V_SKIP;
    }
    if (node instanceof If_Statement) {
        final If_Statement ifs = (If_Statement) node;
        final BranchMerger branchMerger = new BranchMerger();
        node.accept(branchMerger);
        if (ifs.getStatementBlock() != null) {
            // must enter one block: maximum YES
            certainty = branchMerger.getCertainty();
        } else {
            // conditional blocks: maximum MAYBE
            certainty = branchMerger.getCertainty().or(ReturnCertainty.NO);
        }
        return V_SKIP;
    }
    if (node instanceof Alt_Statement) {
        final AltGuards ags = ((Alt_Statement) node).getAltGuards();
        final BranchMerger branchMerger = new BranchMerger();
        ags.accept(branchMerger);
        if (ags.hasElse()) {
            // must enter one block: maximum YES
            certainty = branchMerger.getCertainty();
        } else {
            // conditional blocks: maximum MAYBE
            certainty = branchMerger.getCertainty().or(ReturnCertainty.NO);
        }
        return V_SKIP;
    }
    if (node instanceof Interleave_Statement) {
        final BranchMerger branchMerger = new BranchMerger();
        node.accept(branchMerger);
        // conditional block: maximum MAYBE
        certainty = branchMerger.getCertainty().or(ReturnCertainty.NO);
        return V_SKIP;
    }
    if (node instanceof StatementBlock_Statement) {
        final BranchMerger branchMerger = new BranchMerger();
        node.accept(branchMerger);
        // must enter block: maximum YES
        certainty = branchMerger.getCertainty();
        return V_SKIP;
    }
    if (node instanceof SelectCase_Statement) {
        final BranchMerger branchMerger = new BranchMerger();
        node.accept(branchMerger);
        // must enter one block: maximum YES
        certainty = branchMerger.getCertainty();
        return V_SKIP;
    }
    return V_ABORT;
}

Example 4 with AltGuards

use of org.eclipse.titan.designer.AST.TTCN3.statements.AltGuards in project titan.EclipsePlug-ins by eclipse.

the class Call_Statement method check.

@Override
public /**
 * {@inheritDoc}
 */
void check(final CompilationTimeStamp timestamp) {
    if (lastTimeChecked != null && !lastTimeChecked.isLess(timestamp)) {
        return;
    }
    final Port_Type portType = Port_Utility.checkPortReference(timestamp, this, portReference);
    if (parameter == null) {
        return;
    }
    IType signatureType = null;
    boolean signatureTypeDetermined = false;
    if (portType != null) {
        // the port type is known
        final PortTypeBody portTypeBody = portType.getPortBody();
        final TypeSet outSignatures = portTypeBody.getOutSignatures();
        if (OperationModes.OP_Message.equals(portTypeBody.getOperationMode())) {
            portReference.getLocation().reportSemanticError(MessageFormat.format(SENDONPORT, portType.getTypename()));
        } else if (outSignatures != null) {
            if (outSignatures.getNofTypes() == 1) {
                signatureType = outSignatures.getTypeByIndex(0);
            } else {
                signatureType = Port_Utility.getOutgoingType(timestamp, parameter);
                if (signatureType == null) {
                    parameter.getLocation().reportSemanticError(UNKNOWNSIGNATURE);
                } else {
                    if (!outSignatures.hasType(timestamp, signatureType)) {
                        parameter.getLocation().reportSemanticError(MessageFormat.format(TYPENOTPRESENT, signatureType.getTypename(), portType.getTypename()));
                    }
                }
            }
            signatureTypeDetermined = true;
        } else {
            portReference.getLocation().reportSemanticError(MessageFormat.format(NOOUTGOINGSIGNATURETYPES, portType.getTypename()));
        }
    }
    if (!signatureTypeDetermined) {
        signatureType = Port_Utility.getOutgoingType(timestamp, parameter);
    }
    boolean isNonblocking = false;
    if (signatureType != null) {
        parameter.check(timestamp, signatureType);
        signatureType = signatureType.getTypeRefdLast(timestamp);
        switch(signatureType.getTypetype()) {
            case TYPE_SIGNATURE:
                ((Signature_Type) signatureType).checkThisTemplate(timestamp, parameter.getTemplateBody(), false, false, null);
                isNonblocking = ((Signature_Type) signatureType).isNonblocking();
                break;
            default:
                parameter.getLocation().reportSemanticError(MessageFormat.format(CALLPARAMETERNOTSIGNATURE, signatureType.getTypename()));
                break;
        }
        if (isNonblocking) {
            if (timerValue != null) {
                timerValue.getLocation().reportSemanticError(MessageFormat.format(NONBLOCKINGWITHTIMER, signatureType.getTypename()));
            } else if (noWait) {
                location.reportSemanticError(MessageFormat.format(NONBLOCKINGWITHNOWAIT, signatureType.getTypename()));
            }
            if (altGuards != null) {
                location.reportSemanticError(MessageFormat.format(NONBLOCKINGWITHRESPONSEPART, signatureType.getTypename()));
            }
        } else if (noWait) {
            if (altGuards != null) {
                location.reportSemanticError(NOWAITWITHRESPONSEPART);
            }
        } else {
            if (!getIsErroneous() && altGuards == null) {
                location.reportSemanticError(RESPONSEPARTMISSING);
            }
        }
    }
    if (timerValue != null) {
        timerValue.setLoweridToReference(timestamp);
        final Type_type temporalType = timerValue.getExpressionReturntype(timestamp, Expected_Value_type.EXPECTED_DYNAMIC_VALUE);
        switch(temporalType) {
            case TYPE_REAL:
                final IValue last = timerValue.getValueRefdLast(timestamp, Expected_Value_type.EXPECTED_DYNAMIC_VALUE, null);
                if (Value_type.REAL_VALUE.equals(last.getValuetype()) && !last.getIsErroneous(timestamp)) {
                    final double temp = ((Real_Value) last).getValue();
                    if (temp < 0) {
                        timerValue.getLocation().reportSemanticError(MessageFormat.format(CALLTIMERNEGATIVE, temp));
                    }
                }
                break;
            case TYPE_UNDEFINED:
                setIsErroneous();
                break;
            default:
                if (!isErroneous) {
                    location.reportSemanticError(FLOATTIMEREXPECTED);
                }
                break;
        }
    }
    Port_Utility.checkToClause(timestamp, this, portType, toClause);
    if (altGuards != null) {
        checkCallBody(timestamp, portType, signatureType);
    }
    lastTimeChecked = timestamp;
}

Example 5 with AltGuards

use of org.eclipse.titan.designer.AST.TTCN3.statements.AltGuards in project titan.EclipsePlug-ins by eclipse.

the class Call_Statement method updateSyntax.

@Override
public /**
 * {@inheritDoc}
 */
void updateSyntax(final TTCN3ReparseUpdater reparser, final boolean isDamaged) throws ReParseException {
    if (isDamaged) {
        throw new ReParseException();
    }
    if (portReference != null) {
        portReference.updateSyntax(reparser, false);
        reparser.updateLocation(portReference.getLocation());
    }
    if (parameter != null) {
        parameter.updateSyntax(reparser, false);
        reparser.updateLocation(parameter.getLocation());
    }
    if (timerValue != null) {
        timerValue.updateSyntax(reparser, false);
        reparser.updateLocation(timerValue.getLocation());
    }
    if (toClause instanceof IIncrementallyUpdateable) {
        ((IIncrementallyUpdateable) toClause).updateSyntax(reparser, false);
        reparser.updateLocation(toClause.getLocation());
    } else if (toClause != null) {
        throw new ReParseException();
    }
    if (altGuards != null) {
        altGuards.updateSyntax(reparser, false);
        reparser.updateLocation(altGuards.getLocation());
    }
}