package org.eclipse.stem.model.ctdl.generator;

import com.google.common.base.Objects;
import com.google.common.collect.Iterables;
import java.util.Arrays;
import java.util.List;
import org.eclipse.emf.codegen.ecore.genmodel.GenClass;
import org.eclipse.emf.codegen.ecore.genmodel.GenPackage;
import org.eclipse.emf.common.notify.Notifier;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.common.util.TreeIterator;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.stem.model.ctdl.ctdl.AbsoluteCompartmentValueReference;
import org.eclipse.stem.model.ctdl.ctdl.Block;
import org.eclipse.stem.model.ctdl.ctdl.BooleanLiteral;
import org.eclipse.stem.model.ctdl.ctdl.CompartmentTransitionDefinitions;
import org.eclipse.stem.model.ctdl.ctdl.DefStatement;
import org.eclipse.stem.model.ctdl.ctdl.Div;
import org.eclipse.stem.model.ctdl.ctdl.Evaluation;
import org.eclipse.stem.model.ctdl.ctdl.Expression;
import org.eclipse.stem.model.ctdl.ctdl.ExternalFunctionReference;
import org.eclipse.stem.model.ctdl.ctdl.FunctionCall;
import org.eclipse.stem.model.ctdl.ctdl.FunctionReference;
import org.eclipse.stem.model.ctdl.ctdl.GlobalVariableReference;
import org.eclipse.stem.model.ctdl.ctdl.LocalVariableReference;
import org.eclipse.stem.model.ctdl.ctdl.MetamodelResource;
import org.eclipse.stem.model.ctdl.ctdl.Minus;
import org.eclipse.stem.model.ctdl.ctdl.ModelParamReference;
import org.eclipse.stem.model.ctdl.ctdl.Multi;
import org.eclipse.stem.model.ctdl.ctdl.NumberLiteral;
import org.eclipse.stem.model.ctdl.ctdl.Plus;
import org.eclipse.stem.model.ctdl.ctdl.PrimaryExpression;
import org.eclipse.stem.model.ctdl.ctdl.RelativeCompartmentValueReference;
import org.eclipse.stem.model.ctdl.ctdl.ReturnStatement;
import org.eclipse.stem.model.ctdl.ctdl.ScopedVariableReference;
import org.eclipse.stem.model.ctdl.ctdl.StringLiteral;
import org.eclipse.stem.model.ctdl.ctdl.TransitionBlock;
import org.eclipse.stem.model.ctdl.ctdl.VariableReference;
import org.eclipse.stem.model.ctdl.functions.ExternalFunctionDefinition;
import org.eclipse.stem.model.ctdl.functions.FunctionArgumentReference;
import org.eclipse.stem.model.ctdl.functions.JavaMethodArgument;
import org.eclipse.stem.model.ctdl.functions.SystemArgumentReference;
import org.eclipse.stem.model.ctdl.generator.ModelExpressionGenerator;
import org.eclipse.stem.model.ctdl.serializer.ITypeSerializer;
import org.eclipse.stem.model.ctdl.serializer.TypeSerializerFactory;
import org.eclipse.stem.model.metamodel.Compartment;
import org.eclipse.stem.model.metamodel.ModelParam;
import org.eclipse.stem.model.metamodel.Transition;
import org.eclipse.xtend2.lib.StringConcatenation;
import org.eclipse.xtext.generator.IFileSystemAccess;
import org.eclipse.xtext.resource.XtextResource;
import org.eclipse.xtext.xbase.lib.IterableExtensions;
import org.eclipse.xtext.xbase.lib.IteratorExtensions;
import org.eclipse.xtext.xbase.lib.StringExtensions;

@SuppressWarnings("all")
public class CTDLGenerator2 extends ModelExpressionGenerator {
  private GenClass _modelGenClass;
  
  public GenClass getModelGenClass() {
    return this._modelGenClass;
  }
  
  public void setModelGenClass(final GenClass modelGenClass) {
    this._modelGenClass = modelGenClass;
  }
  
  private GenClass _labelGenClass;
  
  public GenClass getLabelGenClass() {
    return this._labelGenClass;
  }
  
  public void setLabelGenClass(final GenClass labelGenClass) {
    this._labelGenClass = labelGenClass;
  }
  
  private GenClass _labelValueGenClass;
  
  public GenClass getLabelValueGenClass() {
    return this._labelValueGenClass;
  }
  
  public void setLabelValueGenClass(final GenClass labelValueGenClass) {
    this._labelValueGenClass = labelValueGenClass;
  }
  
  public void doGenerate(final List<XtextResource> resources, final IFileSystemAccess fsa) {
    GenClass _modelGenClass = this.getModelGenClass();
    String _name = _modelGenClass.getName();
    String fileName = (_name + "Expressions.java");
    CharSequence _build = this.build(resources);
    fsa.generateFile(fileName, _build);
  }
  
  public void doGenerate(final Resource resource, final IFileSystemAccess fsa) {
    TreeIterator<EObject> _allContents = resource.getAllContents();
    Iterable<EObject> _iterable = IteratorExtensions.<EObject>toIterable(_allContents);
    Iterable<CompartmentTransitionDefinitions> _filter = Iterables.<CompartmentTransitionDefinitions>filter(_iterable, CompartmentTransitionDefinitions.class);
    CompartmentTransitionDefinitions ctd = IterableExtensions.<CompartmentTransitionDefinitions>head(_filter);
    MetamodelResource mm = ctd.getMetamodel();
    Transition trans = mm.getTransition();
    Compartment _source = trans.getSource();
    String _name = _source.getName();
    String _plus = (_name + "_");
    Compartment _target = trans.getTarget();
    String _name_1 = _target.getName();
    String fname = (_plus + _name_1);
    CharSequence _compile = this.compile(resource);
    fsa.generateFile(fname, _compile);
  }
  
  public CharSequence build(final List<XtextResource> r) {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("package ");
    GenClass _modelGenClass = this.getModelGenClass();
    GenPackage _genPackage = _modelGenClass.getGenPackage();
    String _classPackageName = _genPackage.getClassPackageName();
    _builder.append(_classPackageName, "");
    _builder.append(";");
    CharSequence pkg = _builder;
    StringConcatenation _builder_1 = new StringConcatenation();
    _builder_1.append("\t\t");
    _builder_1.append("/**");
    _builder_1.newLine();
    _builder_1.append("\t\t ");
    _builder_1.append("* Generated expressions class for ");
    GenClass _modelGenClass_1 = this.getModelGenClass();
    String _name = _modelGenClass_1.getName();
    _builder_1.append(_name, "		 ");
    _builder_1.append(".");
    _builder_1.newLineIfNotEmpty();
    _builder_1.append("\t\t ");
    _builder_1.append("* DO NOT EDIT DIRECTLY.  Use extended class and override methods for transitions as desired.");
    _builder_1.newLine();
    _builder_1.append("\t\t ");
    _builder_1.append("* @generated");
    _builder_1.newLine();
    _builder_1.append("\t\t ");
    _builder_1.append("*/");
    _builder_1.newLine();
    _builder_1.append("\t\t");
    _builder_1.append("public class ");
    GenClass _modelGenClass_2 = this.getModelGenClass();
    String _name_1 = _modelGenClass_2.getName();
    _builder_1.append(_name_1, "		");
    _builder_1.append("Expressions {");
    _builder_1.newLineIfNotEmpty();
    _builder_1.append("\t");
    _builder_1.append("public void calculate(double t, long timeDelta, ");
    String _importedName = this.getImportedName("org.eclipse.stem.core.model.STEMTime");
    _builder_1.append(_importedName, "	");
    _builder_1.append(" time, ");
    GenClass _modelGenClass_3 = this.getModelGenClass();
    String _importGenClassInterface = this.importGenClassInterface(_modelGenClass_3);
    _builder_1.append(_importGenClassInterface, "	");
    _builder_1.append(" model, ");
    GenClass _labelGenClass = this.getLabelGenClass();
    String _importGenClassInterface_1 = this.importGenClassInterface(_labelGenClass);
    _builder_1.append(_importGenClassInterface_1, "	");
    _builder_1.append(" label, ");
    GenClass _labelValueGenClass = this.getLabelValueGenClass();
    String _importGenClassInterface_2 = this.importGenClassInterface(_labelValueGenClass);
    _builder_1.append(_importGenClassInterface_2, "	");
    _builder_1.append(" labelValue, ");
    String _importedName_1 = this.getImportedName("org.eclipse.stem.core.graph.Node");
    _builder_1.append(_importedName_1, "	");
    _builder_1.append(" node) {");
    _builder_1.newLineIfNotEmpty();
    _builder_1.append("\t");
    _builder_1.append("}");
    _builder_1.newLine();
    _builder_1.append("\t\t\t");
    _builder_1.newLine();
    {
      for(final XtextResource e : r) {
        CharSequence _compile = this.compile(e);
        _builder_1.append(_compile, "");
        _builder_1.newLineIfNotEmpty();
      }
    }
    _builder_1.append("} //");
    CharSequence body = _builder_1;
    String imports = this.getSortedImports();
    StringConcatenation _builder_2 = new StringConcatenation();
    _builder_2.append(pkg, "");
    _builder_2.newLineIfNotEmpty();
    _builder_2.newLine();
    _builder_2.append(imports, "");
    _builder_2.newLineIfNotEmpty();
    _builder_2.newLine();
    _builder_2.append(body, "");
    return ((CharSequence) _builder_2);
  }
  
  protected CharSequence _compile(final Resource r) {
    StringConcatenation _builder = new StringConcatenation();
    TreeIterator<EObject> _allContents = r.getAllContents();
    Iterable<EObject> _iterable = IteratorExtensions.<EObject>toIterable(_allContents);
    Iterable<TransitionBlock> _filter = Iterables.<TransitionBlock>filter(_iterable, TransitionBlock.class);
    TransitionBlock _head = IterableExtensions.<TransitionBlock>head(_filter);
    CharSequence _compile = this.compile(_head);
    _builder.append(_compile, "");
    return _builder;
  }
  
  protected CharSequence _compile(final TransitionBlock t) {
    EObject _eContainer = t.eContainer();
    CompartmentTransitionDefinitions ctd = ((CompartmentTransitionDefinitions) _eContainer);
    MetamodelResource _metamodel = ctd.getMetamodel();
    Transition transition = _metamodel.getTransition();
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("/**");
    _builder.newLine();
    _builder.append(" ");
    _builder.append("* Computes delta for transition ");
    Compartment _source = transition.getSource();
    String _name = _source.getName();
    _builder.append(_name, " ");
    _builder.append(" -> ");
    Compartment _target = transition.getTarget();
    String _name_1 = _target.getName();
    _builder.append(_name_1, " ");
    _builder.newLineIfNotEmpty();
    _builder.append(" ");
    _builder.append("* @generated");
    _builder.newLine();
    _builder.append(" ");
    _builder.append("*/");
    _builder.newLine();
    _builder.append("protected double ");
    Compartment _source_1 = transition.getSource();
    String _name_2 = _source_1.getName();
    _builder.append(_name_2, "");
    _builder.append("_");
    Compartment _target_1 = transition.getTarget();
    String _name_3 = _target_1.getName();
    _builder.append(_name_3, "");
    _builder.append(" (double t, long timeDelta, ");
    String _importedName = this.getImportedName("org.eclipse.stem.core.model.STEMTime");
    _builder.append(_importedName, "");
    _builder.append(" time, ");
    GenClass _modelGenClass = this.getModelGenClass();
    String _importGenClassInterface = this.importGenClassInterface(_modelGenClass);
    _builder.append(_importGenClassInterface, "");
    _builder.append(" model, ");
    GenClass _labelGenClass = this.getLabelGenClass();
    String _importGenClassInterface_1 = this.importGenClassInterface(_labelGenClass);
    _builder.append(_importGenClassInterface_1, "");
    _builder.append(" label, ");
    GenClass _labelValueGenClass = this.getLabelValueGenClass();
    String _importGenClassInterface_2 = this.importGenClassInterface(_labelValueGenClass);
    _builder.append(_importGenClassInterface_2, "");
    _builder.append(" labelValue, ");
    String _importedName_1 = this.getImportedName("org.eclipse.stem.core.graph.Node");
    _builder.append(_importedName_1, "");
    _builder.append(" node) {");
    _builder.newLineIfNotEmpty();
    {
      Block _block = t.getBlock();
      EList<DefStatement> _statements = _block.getStatements();
      for(final DefStatement s : _statements) {
        CharSequence _compile = this.compile(s);
        _builder.append(_compile, "");
      }
    }
    _builder.newLineIfNotEmpty();
    _builder.append("return ");
    Block _block_1 = t.getBlock();
    ReturnStatement _ret = _block_1.getRet();
    CharSequence _compile_1 = this.compile(_ret);
    _builder.append(_compile_1, "");
    _builder.append(";");
    _builder.newLineIfNotEmpty();
    _builder.append("}");
    _builder.newLine();
    return ((CharSequence) _builder);
  }
  
  protected CharSequence _compile(final DefStatement d) {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("double ");
    String _varname = d.getVarname();
    _builder.append(_varname, "");
    _builder.append("=");
    Evaluation _expr = d.getExpr();
    CharSequence _compile = this.compile(_expr);
    _builder.append(_compile, "");
    _builder.append(";");
    return _builder;
  }
  
  protected CharSequence _compile(final Evaluation e) {
    StringConcatenation _builder = new StringConcatenation();
    Expression _expression = e.getExpression();
    CharSequence _compile = this.compile(_expression, Double.TYPE);
    _builder.append(_compile, "");
    return _builder;
  }
  
  protected CharSequence _compile(final PrimaryExpression pe, final Class<? extends Object> expectedType) {
    String neg = "";
    boolean _isNegate = pe.isNegate();
    if (_isNegate) {
      neg = "-";
    }
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("(");
    _builder.append(neg, "");
    Expression _exp = pe.getExp();
    CharSequence _compile = this.compile(_exp, expectedType);
    _builder.append(_compile, "");
    _builder.append(")");
    _builder.newLineIfNotEmpty();
    return ((CharSequence) _builder);
  }
  
  protected CharSequence _compile(final Plus p, final Class<? extends Object> expectedType) {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("(");
    Expression _left = p.getLeft();
    CharSequence _compile = this.compile(_left, Double.TYPE);
    _builder.append(_compile, "");
    _builder.append("+");
    Expression _right = p.getRight();
    CharSequence _compile_1 = this.compile(_right, Double.TYPE);
    _builder.append(_compile_1, "");
    _builder.append(")");
    return _builder;
  }
  
  protected CharSequence _compile(final Minus m, final Class<? extends Object> expectedType) {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("(");
    Expression _left = m.getLeft();
    CharSequence _compile = this.compile(_left, Double.TYPE);
    _builder.append(_compile, "");
    _builder.append("-");
    Expression _right = m.getRight();
    CharSequence _compile_1 = this.compile(_right, Double.TYPE);
    _builder.append(_compile_1, "");
    _builder.append(")");
    return _builder;
  }
  
  protected CharSequence _compile(final Multi m, final Class<? extends Object> expectedType) {
    StringConcatenation _builder = new StringConcatenation();
    Expression _left = m.getLeft();
    CharSequence _compile = this.compile(_left, Double.TYPE);
    _builder.append(_compile, "");
    _builder.append("*");
    Expression _right = m.getRight();
    CharSequence _compile_1 = this.compile(_right, Double.TYPE);
    _builder.append(_compile_1, "");
    return _builder;
  }
  
  protected CharSequence _compile(final Div d, final Class<? extends Object> expectedType) {
    StringConcatenation _builder = new StringConcatenation();
    Expression _left = d.getLeft();
    CharSequence _compile = this.compile(_left, Double.TYPE);
    _builder.append(_compile, "");
    _builder.append("/");
    Expression _right = d.getRight();
    CharSequence _compile_1 = this.compile(_right, Double.TYPE);
    _builder.append(_compile_1, "");
    return _builder;
  }
  
  protected CharSequence _compileReference(final GlobalVariableReference rf, final Class<? extends Object> expectedType) {
    StringConcatenation _builder = new StringConcatenation();
    String _name = rf.getName();
    _builder.append(_name, "");
    return _builder;
  }
  
  protected CharSequence _compileReference(final LocalVariableReference rf, final Class<? extends Object> expectedType) {
    StringConcatenation _builder = new StringConcatenation();
    String _name = rf.getName();
    _builder.append(_name, "");
    return _builder;
  }
  
  protected CharSequence _compileReference(final AbsoluteCompartmentValueReference rf, final Class<? extends Object> expectedType) {
    GenClass _labelValueGenClass = this.getLabelValueGenClass();
    ITypeSerializer serializer = TypeSerializerFactory.getSerializer(rf, expectedType, _labelValueGenClass);
    boolean _notEquals = (!Objects.equal(serializer, null));
    if (_notEquals) {
      return serializer.serialize();
    }
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("labelValue.get");
    Compartment _obj = rf.getObj();
    String _name = _obj.getName();
    String _firstUpper = StringExtensions.toFirstUpper(_name);
    _builder.append(_firstUpper, "");
    _builder.append("()");
    return ((CharSequence) _builder);
  }
  
  protected CharSequence _compileReference(final RelativeCompartmentValueReference rf, final Class<? extends Object> expectedType) {
    GenClass _labelValueGenClass = this.getLabelValueGenClass();
    ITypeSerializer serializer = TypeSerializerFactory.getSerializer(rf, expectedType, _labelValueGenClass);
    boolean _notEquals = (!Objects.equal(serializer, null));
    if (_notEquals) {
      return serializer.serialize();
    }
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("labelValue.get");
    Compartment _obj = rf.getObj();
    String _name = _obj.getName();
    String _firstUpper = StringExtensions.toFirstUpper(_name);
    _builder.append(_firstUpper, "");
    _builder.append("()/labelValue.getPopulationCount()");
    return ((CharSequence) _builder);
  }
  
  protected CharSequence _compileReference(final ModelParamReference rf, final Class<? extends Object> expectedType) {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("get");
    ModelParam _obj = rf.getObj();
    String _name = _obj.getName();
    String _firstUpper = StringExtensions.toFirstUpper(_name);
    _builder.append(_firstUpper, "");
    _builder.append("()");
    return _builder;
  }
  
  protected CharSequence _compile(final VariableReference rf, final Class<? extends Object> expectedType) {
    StringConcatenation _builder = new StringConcatenation();
    ScopedVariableReference _ref = rf.getRef();
    CharSequence _compileReference = this.compileReference(_ref, expectedType);
    _builder.append(_compileReference, "");
    return _builder;
  }
  
  protected CharSequence _compile(final NumberLiteral nl, final Class<? extends Object> expectedType) {
    StringConcatenation _builder = new StringConcatenation();
    double _value = nl.getValue();
    _builder.append(_value, "");
    return _builder;
  }
  
  protected CharSequence _compile(final StringLiteral sl, final Class<? extends Object> expectedType) {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("\"");
    String _value = sl.getValue();
    _builder.append(_value, "");
    _builder.append("\"");
    return _builder;
  }
  
  protected CharSequence _compile(final BooleanLiteral bl, final Class<? extends Object> expectedType) {
    StringConcatenation _builder = new StringConcatenation();
    boolean _isValue = bl.isValue();
    _builder.append(_isValue, "");
    return _builder;
  }
  
  protected CharSequence _compileArgument(final SystemArgumentReference arg, final FunctionCall fc) {
    StringConcatenation _builder = new StringConcatenation();
    String _mapsFrom = arg.getMapsFrom();
    _builder.append(_mapsFrom, "");
    return _builder;
  }
  
  protected CharSequence _compileArgument(final FunctionArgumentReference arg, final FunctionCall fc) {
    StringConcatenation _builder = new StringConcatenation();
    EList<Expression> _args = fc.getArgs();
    int _argIndex = arg.getArgIndex();
    Expression _get = _args.get(_argIndex);
    Class<? extends Object> _javaType = arg.getJavaType();
    CharSequence _compile = this.compile(_get, _javaType);
    _builder.append(_compile, "");
    return _builder;
  }
  
  protected CharSequence _compileFunction(final ExternalFunctionReference fcr, final FunctionCall fc) {
    StringConcatenation _builder = new StringConcatenation();
    ExternalFunctionDefinition _func = fcr.getFunc();
    String _className = _func.getClassName();
    String _importedName = this.getImportedName(_className);
    _builder.append(_importedName, "");
    _builder.append(".");
    ExternalFunctionDefinition _func_1 = fcr.getFunc();
    String _methodName = _func_1.getMethodName();
    _builder.append(_methodName, "");
    _builder.append("(");
    _builder.newLineIfNotEmpty();
    {
      ExternalFunctionDefinition _func_2 = fcr.getFunc();
      EList<JavaMethodArgument> _javaMethodArguments = _func_2.getJavaMethodArguments();
      for(final JavaMethodArgument arg : _javaMethodArguments) {
        _builder.append("\t\t");
        {
          ExternalFunctionDefinition _func_3 = fcr.getFunc();
          EList<JavaMethodArgument> _javaMethodArguments_1 = _func_3.getJavaMethodArguments();
          JavaMethodArgument _head = IterableExtensions.<JavaMethodArgument>head(_javaMethodArguments_1);
          boolean _notEquals = (!Objects.equal(arg, _head));
          if (_notEquals) {
            _builder.append(",");
          }
        }
        _builder.newLineIfNotEmpty();
        _builder.append("\t\t");
        CharSequence _compileArgument = this.compileArgument(arg, fc);
        _builder.append(_compileArgument, "		");
        _builder.newLineIfNotEmpty();
        _builder.append("\t\t");
      }
    }
    _builder.append(")");
    return _builder;
  }
  
  protected CharSequence _compileFunction(final FunctionReference fcr, final FunctionCall fc) {
    StringConcatenation _builder = new StringConcatenation();
    String _name = fcr.getName();
    _builder.append(_name, "");
    _builder.append("(");
    {
      EList<Expression> _args = fc.getArgs();
      for(final Expression e : _args) {
        _builder.append(" ");
        _builder.newLineIfNotEmpty();
        {
          EList<Expression> _args_1 = fc.getArgs();
          Expression _head = IterableExtensions.<Expression>head(_args_1);
          boolean _equals = Objects.equal(e, _head);
          if (_equals) {
            CharSequence _compile = this.compile(e);
            _builder.append(_compile, "");
            _builder.newLineIfNotEmpty();
          } else {
            _builder.append(",");
            CharSequence _compile_1 = this.compile(e);
            _builder.append(_compile_1, "");
            _builder.newLineIfNotEmpty();
          }
        }
        _builder.append("\t\t\t");
      }
    }
    _builder.append(")");
    return _builder;
  }
  
  protected CharSequence _compile(final FunctionCall fc, final Class<? extends Object> expectedType) {
    StringConcatenation _builder = new StringConcatenation();
    FunctionReference _ref = fc.getRef();
    CharSequence _compileFunction = this.compileFunction(_ref, fc);
    _builder.append(_compileFunction, "");
    return _builder;
  }
  
  public CharSequence compile(final Notifier e) {
    if (e instanceof Evaluation) {
      return _compile((Evaluation)e);
    } else if (e instanceof DefStatement) {
      return _compile((DefStatement)e);
    } else if (e instanceof TransitionBlock) {
      return _compile((TransitionBlock)e);
    } else if (e instanceof Resource) {
      return _compile((Resource)e);
    } else {
      throw new IllegalArgumentException("Unhandled parameter types: " +
        Arrays.<Object>asList(e).toString());
    }
  }
  
  public CharSequence compile(final Expression bl, final Class<? extends Object> expectedType) {
    if (bl instanceof BooleanLiteral) {
      return _compile((BooleanLiteral)bl, expectedType);
    } else if (bl instanceof Div) {
      return _compile((Div)bl, expectedType);
    } else if (bl instanceof FunctionCall) {
      return _compile((FunctionCall)bl, expectedType);
    } else if (bl instanceof Minus) {
      return _compile((Minus)bl, expectedType);
    } else if (bl instanceof Multi) {
      return _compile((Multi)bl, expectedType);
    } else if (bl instanceof NumberLiteral) {
      return _compile((NumberLiteral)bl, expectedType);
    } else if (bl instanceof Plus) {
      return _compile((Plus)bl, expectedType);
    } else if (bl instanceof PrimaryExpression) {
      return _compile((PrimaryExpression)bl, expectedType);
    } else if (bl instanceof StringLiteral) {
      return _compile((StringLiteral)bl, expectedType);
    } else if (bl instanceof VariableReference) {
      return _compile((VariableReference)bl, expectedType);
    } else {
      throw new IllegalArgumentException("Unhandled parameter types: " +
        Arrays.<Object>asList(bl, expectedType).toString());
    }
  }
  
  public CharSequence compileReference(final ScopedVariableReference rf, final Class<? extends Object> expectedType) {
    if (rf instanceof AbsoluteCompartmentValueReference) {
      return _compileReference((AbsoluteCompartmentValueReference)rf, expectedType);
    } else if (rf instanceof RelativeCompartmentValueReference) {
      return _compileReference((RelativeCompartmentValueReference)rf, expectedType);
    } else if (rf instanceof GlobalVariableReference) {
      return _compileReference((GlobalVariableReference)rf, expectedType);
    } else if (rf instanceof LocalVariableReference) {
      return _compileReference((LocalVariableReference)rf, expectedType);
    } else if (rf instanceof ModelParamReference) {
      return _compileReference((ModelParamReference)rf, expectedType);
    } else {
      throw new IllegalArgumentException("Unhandled parameter types: " +
        Arrays.<Object>asList(rf, expectedType).toString());
    }
  }
  
  public CharSequence compileArgument(final JavaMethodArgument arg, final FunctionCall fc) {
    if (arg instanceof FunctionArgumentReference) {
      return _compileArgument((FunctionArgumentReference)arg, fc);
    } else if (arg instanceof SystemArgumentReference) {
      return _compileArgument((SystemArgumentReference)arg, fc);
    } else {
      throw new IllegalArgumentException("Unhandled parameter types: " +
        Arrays.<Object>asList(arg, fc).toString());
    }
  }
  
  public CharSequence compileFunction(final FunctionReference fcr, final FunctionCall fc) {
    if (fcr instanceof ExternalFunctionReference) {
      return _compileFunction((ExternalFunctionReference)fcr, fc);
    } else if (fcr != null) {
      return _compileFunction(fcr, fc);
    } else {
      throw new IllegalArgumentException("Unhandled parameter types: " +
        Arrays.<Object>asList(fcr, fc).toString());
    }
  }
}