override public object Clone()
{
UnpackStatement clone = (UnpackStatement)FormatterServices.GetUninitializedObject(typeof(UnpackStatement));
clone._lexicalInfo = _lexicalInfo;
clone._endSourceLocation = _endSourceLocation;
clone._documentation = _documentation;
clone._isSynthetic = _isSynthetic;
clone._entity = _entity;
if (_annotations != null)
{
clone._annotations = (Hashtable)_annotations.Clone();
}
if (null != _modifier)
{
clone._modifier = _modifier.Clone() as StatementModifier;
clone._modifier.InitializeParent(clone);
}
if (null != _declarations)
{
clone._declarations = _declarations.Clone() as DeclarationCollection;
clone._declarations.InitializeParent(clone);
}
if (null != _expression)
{
clone._expression = _expression.Clone() as Expression;
clone._expression.InitializeParent(clone);
}
return(clone);
}
public UnpackStatement CreateUnpackStatement(DeclarationCollection declarations, Expression expression)
{
UnpackStatement unpack = new UnpackStatement(expression.LexicalInfo);
unpack.Declarations.AddRange(declarations);
unpack.Expression = expression;
return unpack;
}
public override void OnUnpackStatement(UnpackStatement node)
{
Visit(node.Expression);
node.Expression = GetCorrectIterator(node.Expression);
IType defaultDeclarationType = GetEnumeratorItemType(GetExpressionType(node.Expression));
foreach (Declaration d in node.Declarations)
{
bool declareNewVariable = d.Type != null;
GetDeclarationType(defaultDeclarationType, d);
if (declareNewVariable)
{
AssertUniqueLocal(d);
}
else
{
IEntity entity = TryToResolveName(d.Name);
if (null != entity)
{
Bind(d, entity);
AssertLValue(d, entity);
continue;
}
}
DeclareLocal(d, false);
}
}
protected UnpackStatement unpack() //throws RecognitionException, TokenStreamException
{
UnpackStatement s;
IToken t = null;
Declaration d = null;
s = new UnpackStatement();
Expression e = null;
try { // for error handling
d=declaration();
match(COMMA);
if (0==inputState.guessing)
{
s.Declarations.Add(d);
}
{
switch ( LA(1) )
{
case ID:
{
declaration_list(s.Declarations);
break;
}
case ASSIGN:
{
break;
}
default:
{
throw new NoViableAltException(LT(1), getFilename());
}
}
}
t = LT(1);
match(ASSIGN);
e=array_or_expression();
if (0==inputState.guessing)
{
s.Expression = e;
s.LexicalInfo = ToLexicalInfo(t);
}
}
catch (RecognitionException ex)
{
if (0 == inputState.guessing)
{
reportError(ex, "unpack");
recover(ex,tokenSet_90_);
}
else
{
throw ex;
}
}
return s;
}
public override void OnUnpackStatement(UnpackStatement node)
{
NotImplemented("Unpacking");
}
public override void OnUnpackStatement(UnpackStatement node)
{
ArrayLiteralExpression ale = node.Expression as ArrayLiteralExpression;
for (int i = 0; i < node.Declarations.Count; i++) {
Declaration decl = node.Declarations[i];
if (acceptImplicit && ale != null && ale.Items.Count > i) {
DeclarationFound(decl.Name, decl.Type, ale.Items[i], decl.LexicalInfo);
} else if (decl.Type != null) {
DeclarationFound(decl.Name, decl.Type, null, decl.LexicalInfo);
}
}
}
public override void LeaveUnpackStatement(UnpackStatement node)
{
LeaveStatement(node);
}
override public object Clone()
{
UnpackStatement clone = new UnpackStatement();
clone._lexicalInfo = _lexicalInfo;
clone._endSourceLocation = _endSourceLocation;
clone._documentation = _documentation;
clone._isSynthetic = _isSynthetic;
clone._entity = _entity;
if (_annotations != null) clone._annotations = (Hashtable)_annotations.Clone();
if (null != _modifier)
{
clone._modifier = _modifier.Clone() as StatementModifier;
clone._modifier.InitializeParent(clone);
}
if (null != _declarations)
{
clone._declarations = _declarations.Clone() as DeclarationCollection;
clone._declarations.InitializeParent(clone);
}
if (null != _expression)
{
clone._expression = _expression.Clone() as Expression;
clone._expression.InitializeParent(clone);
}
return clone;
}
override public void LeaveUnpackStatement(UnpackStatement node)
{
Block body = new Block(node.LexicalInfo);
UnpackExpression(body, node.Expression, node.Declarations);
ReplaceCurrentNode(body);
}
public override void OnUnpackStatement(UnpackStatement us)
{
WriteIndented();
for (int i=0; i<us.Declarations.Count; ++i)
{
if (i > 0)
{
Write(", ");
}
Visit(us.Declarations[i]);
}
WriteOperator(" = ");
Visit(us.Expression);
Visit(us.Modifier);
WriteLine();
}
