public override bool Walk(AssignmentStatement node)
{
foreach (var lhs in node.Left) {
DefineExpr(lhs);
}
node.Right.Walk(this);
return false;
}
private Statement FinishAssignments(Expression right)
{
List<Expression> left = null;
List<string> assignWhiteSpace = MakeWhiteSpaceList();
Expression singleLeft = null;
while (MaybeEat(TokenKind.Assign)) {
if (assignWhiteSpace != null) {
assignWhiteSpace.Add(_tokenWhiteSpace);
}
string assignError = right.CheckAssign();
if (assignError != null) {
ReportSyntaxError(right.StartIndex, right.EndIndex, assignError, ErrorCodes.SyntaxError | ErrorCodes.NoCaret);
}
if (singleLeft == null) {
singleLeft = right;
} else {
if (left == null) {
left = new List<Expression>();
left.Add(singleLeft);
}
left.Add(right);
}
if (_langVersion >= JLanguageVersion.V71 && MaybeEat(TokenKind.KeywordYield)) {
right = ParseYieldExpression();
} else {
right = ParseTestListAsExpr();
}
}
AssignmentStatement assign;
if (left != null) {
Debug.Assert(left.Count > 0);
assign = new AssignmentStatement(left.ToArray(), right);
assign.SetLoc(left[0].StartIndex, right.EndIndex);
} else {
Debug.Assert(singleLeft != null);
assign = new AssignmentStatement(new[] { singleLeft }, right);
assign.SetLoc(singleLeft.StartIndex, right.EndIndex);
}
if (assignWhiteSpace != null) {
AddListWhiteSpace(assign, assignWhiteSpace.ToArray());
}
return assign;
}
public AssignmentScopeNode(JAst ast, AssignmentStatement assign, NameExpression name)
{
_assign = assign;
_name = name;
_ast = ast;
}
// AssignStmt
public override bool Walk(AssignmentStatement node)
{
node.Right.Walk(this);
foreach (Expression e in node.Left) {
e.Walk(_fdef);
}
return false;
}
public override void PostWalk(AssignmentStatement node)
{
}
public override bool Walk(AssignmentStatement node)
{
UpdateChildRanges(node);
foreach (var nameExpr in node.Left.OfType<NameExpression>()) {
_scope.AddVariable(nameExpr.Name, CreateVariableInDeclaredScope(nameExpr));
}
return base.Walk(node);
}
// AssignmentStatement
public override bool Walk(AssignmentStatement node)
{
return ShouldWalkWorker(node);
}
public override void PostWalk(AssignmentStatement node)
{
PostWalkWorker(node);
}