public object VisitVariableDeclarationStatement(JsVariableDeclarationStatement statement, bool addNewline)
{
_cb.Append("var ");
bool first = true;
foreach (var d in statement.Declarations)
{
if (!first)
{
_cb.Append("," + _space);
}
_cb.Append(d.Name);
if (d.Initializer != null)
{
_cb.Append(_space + "=" + _space);
VisitExpression(d.Initializer, false);
}
first = false;
}
_cb.Append(";");
if (addNewline)
{
_cb.AppendLine();
}
return(null);
}
public override JsStatement VisitVariableDeclarationStatement(JsVariableDeclarationStatement statement, object data)
{
List <JsExpression> list = null;
foreach (var d in statement.Declarations)
{
_variables.Add(d.Name);
if (d.Initializer != null)
{
list = list ?? new List <JsExpression>();
list.Add(JsExpression.Assign(JsExpression.Identifier(d.Name), d.Initializer));
}
}
if (list == null)
{
return(new JsBlockStatement(new JsStatement[0], mergeWithParent: true));
}
else if (list.Count == 1)
{
return(new JsExpressionStatement(list[0]));
}
else
{
return(new JsExpressionStatement(JsExpression.Comma(list)));
}
}
private JsBlockStatement CompileCatchClause(LocalResolveResult catchVariable, CatchClause catchClause, bool isCatchAll, bool isOnly)
{
SetRegion(catchClause.GetRegion());
JsStatement variableDeclaration = null;
if (!catchClause.VariableNameToken.IsNull) {
JsExpression compiledAssignment;
if (isCatchAll) // If this is the only handler we need to construct the exception
compiledAssignment = isOnly ? _runtimeLibrary.MakeException(JsExpression.Identifier(_variables[catchVariable.Variable].Name)) : JsExpression.Identifier(_variables[catchVariable.Variable].Name);
else
compiledAssignment = _runtimeLibrary.Downcast(JsExpression.Identifier(_variables[catchVariable.Variable].Name), _compilation.FindType(KnownTypeCode.Exception), _resolver.Resolve(catchClause.Type).Type);
variableDeclaration = new JsVariableDeclarationStatement(new JsVariableDeclaration(_variables[((LocalResolveResult)_resolver.Resolve(catchClause.VariableNameToken)).Variable].Name, compiledAssignment));
}
var result = CreateInnerCompiler().Compile(catchClause.Body);
if (variableDeclaration != null)
result = new JsBlockStatement(new[] { variableDeclaration }.Concat(result.Statements));
return result;
}
public virtual JsStatement VisitVariableDeclarationStatement(JsVariableDeclarationStatement statement, TData data)
{
var declarations = VisitVariableDeclarations(statement.Declarations, data);
return(ReferenceEquals(declarations, statement.Declarations) ? statement : new JsVariableDeclarationStatement(declarations));
}
