private static SyntaxNode Compound(RParser.CompoundContext compound, Func <ParserRuleContext, Scope, SyntaxNode> transform, Scope scope)
{
//create a new context for the block
var inner = new Scope(scope);
inner.InitR();
var pre = inner.PreStatements();
var statements = new List <StatementSyntax>();
var exprlist = compound.exprlist();
if (exprlist is RParser.ExpressionListContext)
{
var list = exprlist as RParser.ExpressionListContext;
foreach (var expr in list.expr_or_assign())
{
pre.Clear();
var statement = transform(expr, inner) as StatementSyntax;
Debug.Assert(statement != null);
statements.AddRange(pre);
statements.Add(statement);
}
}
return(CSharp.Block(statements));
}
/// <summary>
/// Exit a parse tree produced by <see cref="RParser.Compound"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitCompound([NotNull] RParser.CompoundContext context)
{
}
