public static void AddVariables(
ExpressionAst expression,
List <Tuple <ITypeName, VariableExpressionAst> > variables)
{
var visitor = new DelegateParameterVisitor();
visitor._variables = variables;
expression.Visit(visitor);
}
public object VisitAssignmentStatement(AssignmentStatementAst assignmentStatementAst)
{
_paramBlockExtent = assignmentStatementAst.Left.Extent;
DelegateParameterVisitor.AddVariables(
assignmentStatementAst.Left,
_variables);
var pipeline = assignmentStatementAst.Right as PipelineAst;
if (pipeline == null)
{
return(null);
}
var commandAst = pipeline.PipelineElements[0] as CommandAst;
if (commandAst == null ||
commandAst.GetCommandName() != Strings.DelegateSyntaxCommandName ||
commandAst.CommandElements.Count != 2)
{
return(null);
}
if (commandAst.CommandElements[1] is ScriptBlockExpressionAst sbAst)
{
return(sbAst.ScriptBlock.EndBlock);
}
var expression = commandAst.CommandElements[1] as ExpressionAst;
var statements =
new StatementAst[]
{
new CommandExpressionAst(
expression.Extent,
(ExpressionAst)expression.Copy(),
s_emptyRedirections)
};
var statementBlockAst = new StatementBlockAst(
commandAst.CommandElements[1].Extent,
statements,
s_emptyTraps);
return(new NamedBlockAst(
commandAst.CommandElements[1].Extent,
TokenKind.End,
statementBlockAst,
unnamed: true));
}
