Examples with ExpressionBindingException cbit.vcell.parser.ExpressionBindingException used on opensource projects

Example 16 with ExpressionBindingException

use of cbit.vcell.parser.ExpressionBindingException in project vcell by virtualcell.

the class ReactionRulePropertiesTableModel method setValueAt.

public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
    Object o = getValueAt(rowIndex);
    if (!(o instanceof Parameter)) {
        return;
    }
    Parameter parameter = (Parameter) o;
    // try {
    switch(columnIndex) {
        case COLUMN_NAME:
            {
                try {
                    if (aValue instanceof String) {
                        String newName = (String) aValue;
                        if (!parameter.getName().equals(newName)) {
                            if (parameter instanceof LocalParameter) {
                                reactionRule.getKineticLaw().renameParameter(parameter.getName(), newName);
                            } else if (parameter instanceof LocalProxyParameter) {
                                parameter.setName(newName);
                            }
                            fireTableRowsUpdated(rowIndex, rowIndex);
                        }
                    }
                } catch (ExpressionException e) {
                    e.printStackTrace(System.out);
                    PopupGenerator.showErrorDialog(ownerTable, "Error changing parameter name:\n" + e.getMessage());
                } catch (PropertyVetoException e) {
                    e.printStackTrace(System.out);
                    PopupGenerator.showErrorDialog(ownerTable, "Error changing parameter name:\n" + e.getMessage());
                }
                break;
            }
        case COLUMN_IS_GLOBAL:
            {
                if (aValue.equals(Boolean.FALSE)) {
                    // check box has been <unset> (<true> to <false>) : change param from global to local
                    if ((parameter instanceof LocalProxyParameter) && ((((LocalProxyParameter) parameter).getTarget() instanceof Model.ReservedSymbol) || (((LocalProxyParameter) parameter).getTarget() instanceof SpeciesContext) || (((LocalProxyParameter) parameter).getTarget() instanceof ModelQuantity))) {
                        PopupGenerator.showErrorDialog(ownerTable, "Parameter : \'" + parameter.getName() + "\' is a " + ((LocalProxyParameter) parameter).getTarget().getClass() + " in the model; cannot convert it to a local kinetic parameter.");
                    } else {
                        try {
                            reactionRule.getKineticLaw().convertParameterType(parameter, false);
                        } catch (PropertyVetoException pve) {
                            pve.printStackTrace(System.out);
                            PopupGenerator.showErrorDialog(ownerTable, "Unable to convert parameter : \'" + parameter.getName() + "\' to local kinetics parameter : " + pve.getMessage());
                        } catch (ExpressionBindingException e) {
                            e.printStackTrace(System.out);
                            PopupGenerator.showErrorDialog(ownerTable, "Unable to convert parameter : \'" + parameter.getName() + "\' to local kinetics parameter : " + e.getMessage());
                        }
                    }
                } else {
                    // check box has been <set> (<false> to <true>) : change param from local to global
                    if ((parameter instanceof LocalParameter) && (((LocalParameter) parameter).getRole() != RbmKineticLaw.RbmKineticLawParameterType.UserDefined)) {
                        PopupGenerator.showErrorDialog(ownerTable, "Parameter : \'" + parameter.getName() + "\' is a pre-defined kinetics parameter (not user-defined); cannot convert it to a model level (global) parameter.");
                    } else {
                        ModelParameter mp = reactionRule.getModel().getModelParameter(parameter.getName());
                        // model already had the model parameter 'param', but check if 'param' value is different from
                        // model parameter with same name. If it is, the local value will be overridden by global (model) param
                        // value, and user should be warned.
                        String choice = "Ok";
                        if (mp != null && !(mp.getExpression().compareEqual(parameter.getExpression()))) {
                            String msgStr = "Model already has a global parameter named : \'" + parameter.getName() + "\'; with value = \'" + mp.getExpression().infix() + "\'; This local parameter \'" + parameter.getName() + "\' with value = \'" + parameter.getExpression().infix() + "\' will be overridden by the global value. \nPress \'Ok' to override " + "local value with global value of \'" + parameter.getName() + "\'. \nPress \'Cancel\' to retain new local value.";
                            choice = PopupGenerator.showWarningDialog(ownerTable, msgStr, new String[] { "Ok", "Cancel" }, "Ok");
                        }
                        if (choice.equals("Ok")) {
                            try {
                                // Now 'parameter' is a local kinetic parameter. If it is not numeric, and if its expression
                                // contains other local kinetic parameters, warn user that 'parameter' cannot be promoted because
                                // of its expression containing other local parameters.
                                boolean bPromoteable = true;
                                if (!parameter.getExpression().isNumeric()) {
                                    String[] symbols = parameter.getExpression().getSymbols();
                                    for (int i = 0; i < symbols.length; i++) {
                                        if (reactionRule.getKineticLaw().getLocalParameter(symbols[i]) != null) {
                                            PopupGenerator.showErrorDialog(ownerTable, "Parameter \'" + parameter.getName() + "\' contains other local kinetic parameters; Cannot convert it to global until the referenced parameters are global.");
                                            bPromoteable = false;
                                        }
                                    }
                                }
                                if (bPromoteable) {
                                    reactionRule.getKineticLaw().convertParameterType(parameter, true);
                                }
                            } catch (PropertyVetoException pve) {
                                pve.printStackTrace(System.out);
                                PopupGenerator.showErrorDialog(ownerTable, "Cannot convert parameter \'" + parameter.getName() + "\' to global parameter : " + pve.getMessage());
                            } catch (ExpressionBindingException e) {
                                e.printStackTrace(System.out);
                                PopupGenerator.showErrorDialog(ownerTable, "Cannot convert parameter \'" + parameter.getName() + "\' to global parameter : " + e.getMessage());
                            }
                        }
                    }
                }
                fireTableRowsUpdated(rowIndex, rowIndex);
                break;
            }
        case COLUMN_VALUE:
            {
                try {
                    if (aValue instanceof ScopedExpression) {
                        // }
                        throw new RuntimeException("unexpected value type ScopedExpression");
                    } else if (aValue instanceof String) {
                        String newExpressionString = (String) aValue;
                        if (parameter instanceof LocalParameter) {
                            LocalParameter localParameter = (LocalParameter) parameter;
                            reactionRule.getKineticLaw().setParameterValue(localParameter, new Expression(newExpressionString), true);
                        } else if (parameter instanceof LocalProxyParameter) {
                            parameter.setExpression(new Expression(newExpressionString));
                        }
                    }
                    reactionRule.getKineticLaw().resolveUndefinedUnits();
                    fireTableRowsUpdated(rowIndex, rowIndex);
                } catch (java.beans.PropertyVetoException e) {
                    e.printStackTrace(System.out);
                    PopupGenerator.showErrorDialog(ownerTable, "Error:\n" + e.getMessage());
                } catch (ExpressionException e) {
                    e.printStackTrace(System.out);
                    PopupGenerator.showErrorDialog(ownerTable, "Expression error:\n" + e.getMessage());
                }
                break;
            }
        case COLUMN_UNITS:
            {
                try {
                    if (aValue instanceof String && parameter instanceof LocalParameter && ((LocalParameter) parameter).getRole() == RbmKineticLaw.RbmKineticLawParameterType.UserDefined) {
                        String newUnitString = (String) aValue;
                        LocalParameter kineticsParm = (LocalParameter) parameter;
                        ModelUnitSystem modelUnitSystem = reactionRule.getModel().getUnitSystem();
                        if (!kineticsParm.getUnitDefinition().getSymbol().equals(newUnitString)) {
                            kineticsParm.setUnitDefinition(modelUnitSystem.getInstance(newUnitString));
                            reactionRule.getKineticLaw().resolveUndefinedUnits();
                            fireTableRowsUpdated(rowIndex, rowIndex);
                        }
                    }
                } catch (VCUnitException e) {
                    e.printStackTrace(System.out);
                    PopupGenerator.showErrorDialog(ownerTable, "Error changing parameter unit:\n" + e.getMessage());
                }
                break;
            }
    }
// }catch (java.beans.PropertyVetoException e){
// e.printStackTrace(System.out);
// }
}

Example 17 with ExpressionBindingException

use of cbit.vcell.parser.ExpressionBindingException in project vcell by virtualcell.

the class SimulationWorkspace method getEstimatedNumTimePointsForStoch.

private static long getEstimatedNumTimePointsForStoch(SimulationSymbolTable simSymbolTable) {
    Simulation sim = simSymbolTable.getSimulation();
    SolverTaskDescription solverTaskDescription = sim.getSolverTaskDescription();
    TimeBounds tb = solverTaskDescription.getTimeBounds();
    double startTime = tb.getStartingTime();
    double endTime = tb.getEndingTime();
    OutputTimeSpec tSpec = solverTaskDescription.getOutputTimeSpec();
    // hybrid G_E and G_M are fixed time step methods using uniform output time spec
    if (tSpec.isUniform()) {
        double outputTimeStep = ((UniformOutputTimeSpec) tSpec).getOutputTimeStep();
        return (long) ((endTime - startTime) / outputTimeStep);
    }
    double maxProbability = 0;
    SubDomain subDomain = sim.getMathDescription().getSubDomains().nextElement();
    List<VarIniCondition> varInis = subDomain.getVarIniConditions();
    // get all the probability expressions
    ArrayList<Expression> probList = new ArrayList<Expression>();
    for (JumpProcess jp : subDomain.getJumpProcesses()) {
        probList.add(jp.getProbabilityRate());
    }
    // loop through probability expressions
    for (int i = 0; i < probList.size(); i++) {
        try {
            Expression pExp = new Expression(probList.get(i));
            pExp.bindExpression(simSymbolTable);
            pExp = simSymbolTable.substituteFunctions(pExp);
            pExp = pExp.flatten();
            String[] symbols = pExp.getSymbols();
            // substitute stoch vars with it's initial condition expressions
            if (symbols != null) {
                for (int j = 0; symbols != null && j < symbols.length; j++) {
                    for (int k = 0; k < varInis.size(); k++) {
                        if (symbols[j].equals(varInis.get(k).getVar().getName())) {
                            pExp.substituteInPlace(new Expression(symbols[j]), new Expression(varInis.get(k).getIniVal()));
                            break;
                        }
                    }
                }
            }
            pExp = simSymbolTable.substituteFunctions(pExp);
            pExp = pExp.flatten();
            double val = pExp.evaluateConstant();
            if (maxProbability < val) {
                maxProbability = val;
            }
        } catch (ExpressionBindingException e) {
            System.out.println("Cannot estimate the total time points for stochastic simulation!! Due to the reason below...");
            e.printStackTrace();
        } catch (ExpressionException ex) {
            System.out.println("Cannot estimate the total time points for stochastic simulation!! Due to the reason below...");
            ex.printStackTrace();
        } catch (MathException e) {
            System.out.println("Cannot estimate the total time points for stochastic simulation!! Due to the reason below...");
            e.printStackTrace();
        }
    }
    int keepEvery = 1;
    if (tSpec.isDefault()) {
        keepEvery = ((DefaultOutputTimeSpec) tSpec).getKeepEvery();
    }
    // points = (endt-startt)/(t*keepEvery) = (endt - startt)/(keepEvery*1/prob)
    long estimatedPoints = Math.round((tb.getEndingTime() - tb.getStartingTime()) * maxProbability / keepEvery) + 1;
    return estimatedPoints;
}

Example 18 with ExpressionBindingException

use of cbit.vcell.parser.ExpressionBindingException in project vcell by virtualcell.

the class ParameterTableModel method setValueAt.

public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
    Parameter parameter = getValueAt(rowIndex);
    // try {
    switch(columnIndex) {
        case COLUMN_NAME:
            {
                try {
                    if (aValue instanceof String) {
                        String newName = (String) aValue;
                        if (!parameter.getName().equals(newName)) {
                            if (parameter instanceof Kinetics.KineticsParameter) {
                                reactionStep.getKinetics().renameParameter(parameter.getName(), newName);
                            } else if (parameter instanceof Kinetics.KineticsProxyParameter) {
                                parameter.setName(newName);
                            }
                            fireTableRowsUpdated(rowIndex, rowIndex);
                        }
                    }
                } catch (ExpressionException e) {
                    e.printStackTrace(System.out);
                    PopupGenerator.showErrorDialog(ownerTable, "Error changing parameter name:\n" + e.getMessage());
                } catch (java.beans.PropertyVetoException e) {
                    e.printStackTrace(System.out);
                    PopupGenerator.showErrorDialog(ownerTable, "Error changing parameter name:\n" + e.getMessage());
                }
                break;
            }
        case COLUMN_IS_GLOBAL:
            {
                if (aValue.equals(Boolean.FALSE)) {
                    // check box has been <unset> (<true> to <false>) : change param from global to local
                    if ((parameter instanceof KineticsProxyParameter) && ((((KineticsProxyParameter) parameter).getTarget() instanceof Model.ReservedSymbol) || (((KineticsProxyParameter) parameter).getTarget() instanceof SpeciesContext) || (((KineticsProxyParameter) parameter).getTarget() instanceof ModelQuantity))) {
                        PopupGenerator.showErrorDialog(ownerTable, "Parameter : \'" + parameter.getName() + "\' is a " + ((KineticsProxyParameter) parameter).getTarget().getClass() + " in the model; cannot convert it to a local kinetic parameter.");
                    } else {
                        try {
                            reactionStep.getKinetics().convertParameterType(parameter, false);
                        } catch (PropertyVetoException pve) {
                            pve.printStackTrace(System.out);
                            PopupGenerator.showErrorDialog(ownerTable, "Unable to convert parameter : \'" + parameter.getName() + "\' to local kinetics parameter : " + pve.getMessage());
                        } catch (ExpressionBindingException e) {
                            e.printStackTrace(System.out);
                            PopupGenerator.showErrorDialog(ownerTable, "Unable to convert parameter : \'" + parameter.getName() + "\' to local kinetics parameter : " + e.getMessage());
                        }
                    }
                } else {
                    // check box has been <set> (<false> to <true>) : change param from local to global
                    if ((parameter instanceof KineticsParameter) && (((KineticsParameter) parameter).getRole() != Kinetics.ROLE_UserDefined)) {
                        PopupGenerator.showErrorDialog(ownerTable, "Parameter : \'" + parameter.getName() + "\' is a pre-defined kinetics parameter (not user-defined); cannot convert it to a model level (global) parameter.");
                    } else {
                        ModelParameter mp = reactionStep.getKinetics().getReactionStep().getModel().getModelParameter(parameter.getName());
                        // model already had the model parameter 'param', but check if 'param' value is different from
                        // model parameter with same name. If it is, the local value will be overridden by global (model) param
                        // value, and user should be warned.
                        String choice = "Ok";
                        if (mp != null && !(mp.getExpression().compareEqual(parameter.getExpression()))) {
                            String msgStr = "Model already has a global parameter named : \'" + parameter.getName() + "\'; with value = \'" + mp.getExpression().infix() + "\'; This local parameter \'" + parameter.getName() + "\' with value = \'" + parameter.getExpression().infix() + "\' will be overridden by the global value. \nPress \'Ok' to override " + "local value with global value of \'" + parameter.getName() + "\'. \nPress \'Cancel\' to retain new local value.";
                            choice = PopupGenerator.showWarningDialog(ownerTable, msgStr, new String[] { "Ok", "Cancel" }, "Ok");
                        }
                        if (choice.equals("Ok")) {
                            try {
                                // Now 'parameter' is a local kinetic parameter. If it is not numeric, and if its expression
                                // contains other local kinetic parameters, warn user that 'parameter' cannot be promoted because
                                // of its expression containing other local parameters.
                                boolean bPromoteable = true;
                                if (!parameter.getExpression().isNumeric()) {
                                    String[] symbols = parameter.getExpression().getSymbols();
                                    for (int i = 0; i < symbols.length; i++) {
                                        if (reactionStep.getKinetics().getKineticsParameter(symbols[i]) != null) {
                                            PopupGenerator.showErrorDialog(ownerTable, "Parameter \'" + parameter.getName() + "\' contains other local kinetic parameters; Cannot convert it to global until the referenced parameters are global.");
                                            bPromoteable = false;
                                        }
                                    }
                                }
                                if (bPromoteable) {
                                    reactionStep.getKinetics().convertParameterType(parameter, true);
                                }
                            } catch (PropertyVetoException pve) {
                                pve.printStackTrace(System.out);
                                PopupGenerator.showErrorDialog(ownerTable, "Cannot convert parameter \'" + parameter.getName() + "\' to global parameter : " + pve.getMessage());
                            } catch (ExpressionBindingException e) {
                                e.printStackTrace(System.out);
                                PopupGenerator.showErrorDialog(ownerTable, "Cannot convert parameter \'" + parameter.getName() + "\' to global parameter : " + e.getMessage());
                            }
                        }
                    }
                }
                fireTableRowsUpdated(rowIndex, rowIndex);
                break;
            }
        case COLUMN_VALUE:
            {
                try {
                    if (aValue instanceof ScopedExpression) {
                        // }
                        throw new RuntimeException("unexpected value type ScopedExpression");
                    } else if (aValue instanceof String) {
                        String newExpressionString = (String) aValue;
                        if (parameter instanceof Kinetics.KineticsParameter) {
                            reactionStep.getKinetics().setParameterValue((Kinetics.KineticsParameter) parameter, new Expression(newExpressionString));
                        } else if (parameter instanceof Kinetics.KineticsProxyParameter) {
                            parameter.setExpression(new Expression(newExpressionString));
                        }
                    }
                    reactionStep.getKinetics().resolveUndefinedUnits();
                    fireTableRowsUpdated(rowIndex, rowIndex);
                } catch (java.beans.PropertyVetoException e) {
                    e.printStackTrace(System.out);
                    PopupGenerator.showErrorDialog(ownerTable, "Error:\n" + e.getMessage());
                } catch (ExpressionException e) {
                    e.printStackTrace(System.out);
                    PopupGenerator.showErrorDialog(ownerTable, "Expression error:\n" + e.getMessage());
                }
                break;
            }
        case COLUMN_UNITS:
            {
                try {
                    if (aValue instanceof String && parameter instanceof Kinetics.KineticsParameter && ((Kinetics.KineticsParameter) parameter).getRole() == Kinetics.ROLE_UserDefined) {
                        String newUnitString = (String) aValue;
                        Kinetics.KineticsParameter kineticsParm = (Kinetics.KineticsParameter) parameter;
                        ModelUnitSystem modelUnitSystem = reactionStep.getModel().getUnitSystem();
                        if (!kineticsParm.getUnitDefinition().getSymbol().equals(newUnitString)) {
                            kineticsParm.setUnitDefinition(modelUnitSystem.getInstance(newUnitString));
                            reactionStep.getKinetics().resolveUndefinedUnits();
                            fireTableRowsUpdated(rowIndex, rowIndex);
                        }
                    }
                } catch (VCUnitException e) {
                    e.printStackTrace(System.out);
                    PopupGenerator.showErrorDialog(ownerTable, "Error changing parameter unit:\n" + e.getMessage());
                }
                break;
            }
    }
// }catch (java.beans.PropertyVetoException e){
// e.printStackTrace(System.out);
// }
}

Example 19 with ExpressionBindingException

use of cbit.vcell.parser.ExpressionBindingException in project vcell by virtualcell.

the class SimulationContext method updateSpeciesIniCondition.

// specially created for loading from database, used in ServerDocumentManager.saveBioModel()
public void updateSpeciesIniCondition(SimulationContext simContext) throws MappingException, PropertyVetoException {
    boolean bUseConcentration = simContext.isUsingConcentration();
    this.setUsingConcentration(bUseConcentration);
    SpeciesContextSpec[] refScSpec = simContext.getReactionContext().getSpeciesContextSpecs();
    // SpeciesContextSpec[] scSpec = this.getReactionContext().getSpeciesContextSpecs();
    for (int i = 0; i < refScSpec.length; i++) {
        SpeciesContext refSc = refScSpec[i].getSpeciesContext();
        SpeciesContextSpec scSpec = this.getReactionContext().getSpeciesContextSpec(refSc);
        try {
            scSpec.getInitialConcentrationParameter().setExpression(refScSpec[i].getInitialConcentrationParameter().getExpression());
            scSpec.getInitialCountParameter().setExpression(refScSpec[i].getInitialCountParameter().getExpression());
        } catch (ExpressionBindingException e) {
            e.printStackTrace();
            throw new MappingException(e.getMessage());
        }
    }
}

Example 20 with ExpressionBindingException

use of cbit.vcell.parser.ExpressionBindingException in project vcell by virtualcell.

the class MathMapping_4_8 method getIdentifierSubstitutions.

/**
 * Substitutes appropriate variables for speciesContext bindings
 *
 * @return cbit.vcell.parser.Expression
 * @param origExp cbit.vcell.parser.Expression
 * @param structureMapping cbit.vcell.mapping.StructureMapping
 */
protected Expression getIdentifierSubstitutions(Expression origExp, VCUnitDefinition desiredExpUnitDef, StructureMapping structureMapping) throws ExpressionException, MappingException {
    String[] symbols = origExp.getSymbols();
    if (symbols == null) {
        return origExp;
    }
    VCUnitDefinition expUnitDef = null;
    try {
        VCUnitEvaluator unitEvaluator = new VCUnitEvaluator(simContext.getModel().getUnitSystem());
        expUnitDef = unitEvaluator.getUnitDefinition(origExp);
        if (desiredExpUnitDef == null) {
            String expStr = origExp.renameBoundSymbols(getNameScope()).infix();
            System.out.println("...........exp='" + expStr + "', desiredUnits are null");
            localIssueList.add(new Issue(origExp, issueContext, IssueCategory.Units, "expected=[null], observed=[" + expUnitDef.getSymbol() + "]", Issue.SEVERITY_WARNING));
        } else if (expUnitDef == null) {
            String expStr = origExp.renameBoundSymbols(getNameScope()).infix();
            System.out.println("...........exp='" + expStr + "', evaluated Units are null");
            localIssueList.add(new Issue(origExp, issueContext, IssueCategory.Units, "expected=[" + desiredExpUnitDef.getSymbol() + "], observed=[null]", Issue.SEVERITY_WARNING));
        } else if (desiredExpUnitDef.isTBD()) {
            String expStr = origExp.renameBoundSymbols(getNameScope()).infix();
            System.out.println("...........exp='" + expStr + "', desiredUnits are [" + desiredExpUnitDef.getSymbol() + "] and expression units are [" + expUnitDef.getSymbol() + "]");
            localIssueList.add(new Issue(origExp, issueContext, IssueCategory.Units, "expected=[" + desiredExpUnitDef.getSymbol() + "], observed=[" + expUnitDef.getSymbol() + "] for exp = " + expStr, Issue.SEVERITY_WARNING));
        } else if (!desiredExpUnitDef.isEquivalent(expUnitDef) && !expUnitDef.isTBD()) {
            String expStr = origExp.renameBoundSymbols(getNameScope()).infix();
            System.out.println("...........exp='" + expStr + "', desiredUnits are [" + desiredExpUnitDef.getSymbol() + "] and expression units are [" + expUnitDef.getSymbol() + "]");
            localIssueList.add(new Issue(origExp, issueContext, IssueCategory.Units, "expected=[" + desiredExpUnitDef.getSymbol() + "], observed=[" + expUnitDef.getSymbol() + "] for exp = " + expStr, Issue.SEVERITY_WARNING));
        }
    } catch (VCUnitException e) {
        String expStr = origExp.renameBoundSymbols(getNameScope()).infix();
        System.out.println(".........exp='" + expStr + "' exception='" + e.getMessage() + "'");
        localIssueList.add(new Issue(origExp, issueContext, IssueCategory.Units, "expected=[" + ((desiredExpUnitDef != null) ? (desiredExpUnitDef.getSymbol()) : ("null")) + "], exception=" + e.getMessage(), Issue.SEVERITY_WARNING));
    } catch (ExpressionException e) {
        String expStr = origExp.renameBoundSymbols(getNameScope()).infix();
        System.out.println(".........exp='" + expStr + "' exception='" + e.getMessage() + "'");
        localIssueList.add(new Issue(origExp, issueContext, IssueCategory.Units, "expected=[" + ((desiredExpUnitDef != null) ? (desiredExpUnitDef.getSymbol()) : ("null")) + "], exception=" + e.getMessage(), Issue.SEVERITY_WARNING));
    } catch (Exception e) {
        e.printStackTrace(System.out);
        localIssueList.add(new Issue(origExp, issueContext, IssueCategory.Units, "expected=[" + ((desiredExpUnitDef != null) ? (desiredExpUnitDef.getSymbol()) : ("null")) + "], exception=" + e.getMessage(), Issue.SEVERITY_WARNING));
    }
    Expression newExp = new Expression(origExp);
    for (int i = 0; i < symbols.length; i++) {
        SymbolTableEntry ste = origExp.getSymbolBinding(symbols[i]);
        if (ste == null) {
            throw new ExpressionBindingException("symbol '" + symbols[i] + "' not bound");
        // ste = simContext.getGeometryContext().getModel().getSpeciesContext(symbols[i]);
        }
        if (ste != null) {
            String newName = getMathSymbol(ste, structureMapping);
            if (!newName.equals(symbols[i])) {
                newExp.substituteInPlace(new Expression(symbols[i]), new Expression(newName));
            }
        }
    }
    return newExp;
}