@Override
public Object visit(
TransactionStatement transactionStatement,
EOLPrinterContext context,
EolVisitorController<EOLPrinterContext, Object> controller) {
String result = "transaction";
if (transactionStatement.getNames() != null) {
Iterator<NameExpression> iterator = transactionStatement.getNames().iterator();
while (iterator.hasNext()) {
result += controller.visit(iterator.next(), context);
if (iterator.hasNext()) {
result += ", ";
}
}
}
result += " {" + context.newline();
context.indent();
if (transactionStatement.getBody() != null) {
result += controller.visit(transactionStatement.getBody(), context);
}
result += context.newline();
context.outdent();
result += context.whitespace() + "}";
return result;
}
@Override
public Object visit(
KeyValueExpression keyValue,
EOLPrinterContext context,
EolVisitorController<EOLPrinterContext, Object> controller) {
String result = "";
result +=
controller.visit(keyValue.getKey(), context)
+ " = "
+ controller.visit(keyValue.getValue(), context);
return result;
}
@Override
public Object visit(
NegativeOperatorExpression negativeOperatorExpression,
TypeResolutionContext context,
EolVisitorController<TypeResolutionContext, Object> controller) {
controller.visit(negativeOperatorExpression.getExpr(), context);
Expression expression = negativeOperatorExpression.getExpr(); // get the expression
Type exprType = expression.getResolvedType();
if (exprType instanceof BooleanType) { // if expression is of type boolean
context.getLogBook().addError(expression, "Expression cannot be Boolean");
}
if (exprType instanceof StringType) { // if expression is of type string
// handle string
context.getLogBook().addError(expression, "Expression cannot be String");
}
if (exprType instanceof RealType) { // if expression is of type real
negativeOperatorExpression.setResolvedType(EcoreUtil.copy(exprType));
}
if (exprType instanceof IntegerType) {
negativeOperatorExpression.setResolvedType(EcoreUtil.copy(exprType));
}
return null;
}
@Override
public Object visit(
EolProgram eolProgram,
PrinterContext context,
EolVisitorController<PrinterContext, Object> controller) {
String result = "";
if (eolProgram.getModelDeclarations() != null
&& eolProgram.getModelDeclarations().size() != 0) {
Iterator<ModelDeclarationStatement> iterator = eolProgram.getModelDeclarations().iterator();
while (iterator.hasNext()) {
result += controller.visit(iterator.next(), context);
if (iterator.hasNext()) {
result += context.newline();
}
}
result += context.newline();
}
if (eolProgram.getImports() != null && eolProgram.getImports().size() != 0) {
Iterator<Import> iterator = eolProgram.getImports().iterator();
while (iterator.hasNext()) {
result += controller.visit(iterator.next(), context);
if (iterator.hasNext()) {
result += context.newline();
}
}
result += context.newline();
}
if (eolProgram.getBlock() != null) {
result += controller.visit(eolProgram.getBlock(), context) + context.newline();
}
if (eolProgram.getOperations() != null && eolProgram.getOperations().size() != 0) {
Iterator<OperationDefinition> iterator = eolProgram.getOperations().iterator();
while (iterator.hasNext()) {
result += controller.visit(iterator.next(), context);
if (iterator.hasNext()) {
result += context.newline();
}
}
}
return result;
}
@Override
public Object visit(
VariableDeclarationExpression variableDeclarationExpression,
TypeResolutionContext context,
EolVisitorController<TypeResolutionContext, Object> controller) {
// visit contents first
controller.visitContents(variableDeclarationExpression, context);
// if create is not null
if (variableDeclarationExpression.getCreate() != null) {
// get the value of the create
boolean newExpression = variableDeclarationExpression.getCreate().isVal();
// if it is a new variable
if (newExpression) {
// get resolved type
Type rawType = variableDeclarationExpression.getResolvedType();
// we are interested in the model element types
if (rawType instanceof ModelElementType) {
// get the type
ModelElementType modelElementType = (ModelElementType) rawType;
// if the model element type is a EClass in the meta model
if (modelElementType.getEcoreType() instanceof EClass) {
// get the EClass
EClass eClass = (EClass) modelElementType.getEcoreType();
// check if the class is an interface or abstract
if (eClass.isAbstract() || eClass.isInterface()) {
context
.getLogBook()
.addError(
modelElementType, "Model element type is not instantiable"); // throw error
}
}
}
}
}
return null;
}