public override bool Walk(ForIn node)
{
if (node != null)
{
if (node.Collection != null)
{
node.Collection.Walk(this);
}
if (node.Variable != null)
{
// if the variable portion of the for-in statement is a lexical
// declaration, then we will create the block node for its body right now
// and add the declaration. This will prevent the body from deleting
// an empty lexical scope.
var lexDeclaration = node.Variable as LexicalDeclaration;
if (lexDeclaration != null)
{
// create the scope on the block
SetScope(
node,
new BlockScope(node, CurrentLexicalScope, _errorSink)
{
IsInWithScope = m_withDepth > 0
}
);
m_lexicalStack.Push(GetScope(node));
}
}
try
{
if (node.Variable != null)
{
node.Variable.Walk(this);
}
if (node.Body != null)
{
node.Body.Walk(this);
}
}
finally
{
if (GetScope(node) != null)
{
Debug.Assert(CurrentLexicalScope == GetScope(node));
m_lexicalStack.Pop();
}
}
}
return(false);
}
public override bool Walk(ForIn node) { AddNode(node); return true; }
public override bool Walk(ForIn node) {
if (CheckBlock(node.Body)) {
Span = GetTargetStatement(node).GetSpan(_tree.LocationResolver);
return false;
}
return base.Walk(node);
}
public override bool Walk(ForIn node)
{
if (node != null)
{
if (node.Collection != null)
{
node.Collection.Walk(this);
}
if (node.Variable != null)
{
// if the variable portion of the for-in statement is a lexical
// declaration, then we will create the block node for its body right now
// and add the declaration. This will prevent the body from deleting
// an empty lexical scope.
var lexDeclaration = node.Variable as LexicalDeclaration;
if (lexDeclaration != null)
{
// create the scope on the block
SetScope(
node,
new BlockScope(node, CurrentLexicalScope, _errorSink)
{
IsInWithScope = m_withDepth > 0
}
);
m_lexicalStack.Push(GetScope(node));
}
}
try
{
if (node.Variable != null)
{
node.Variable.Walk(this);
}
if (node.Body != null)
{
node.Body.Walk(this);
}
}
finally
{
if (GetScope(node) != null)
{
Debug.Assert(CurrentLexicalScope == GetScope(node));
m_lexicalStack.Pop();
}
}
}
return false;
}
public override bool Walk(ForIn node) {
ReplaceControlFlowWhiteSpace(node, "for".Length);
ReplacePreceedingWhiteSpace(
node.Variable.GetStartIndex(_tree.LocationResolver),
_options.SpaceAfterOpeningAndBeforeClosingNonEmptyParenthesis ? " " : "",
_openParen
);
node.Variable.Walk(this);
ReplaceFollowingWhiteSpace(
node.Variable.GetEndIndex(_tree.LocationResolver),
" "
);
ReplacePreceedingWhiteSpace(
node.Collection.GetStartIndex(_tree.LocationResolver),
" "
);
node.Collection.Walk(this);
ReplaceFollowingWhiteSpace(
node.Collection.GetEndIndex(_tree.LocationResolver),
_options.SpaceAfterOpeningAndBeforeClosingNonEmptyParenthesis ? " " : ""
);
WalkFlowControlBlockWithOptionalParens(node.Body, node.Collection.GetEndIndex(_tree.LocationResolver), true);
return false;
}