public List <BasicBlock> Build(BoundBlockStatement block)
{
foreach (var statement in block.Statements)
{
switch (statement.Kind)
{
case BoundNodeKind.LabelStatement:
StartBlock();
_statements.Add(statement);
break;
case BoundNodeKind.GotoStatement:
case BoundNodeKind.ConditionalGotoStatement:
case BoundNodeKind.ReturnStatement:
_statements.Add(statement);
StartBlock();
break;
case BoundNodeKind.NopStatement:
case BoundNodeKind.VariableDeclaration:
case BoundNodeKind.SequencePointStatement:
case BoundNodeKind.ExpressionStatement:
_statements.Add(statement);
break;
default:
throw new Exception($"Unexpected statement: {statement.Kind}");
}
}
EndBlock();
return(_blocks.ToList());
}
private static void WriteBlockStatement(BoundBlockStatement node, IndentedTextWriter writer)
{
writer.WritePunctuation(SyntaxKind.OpenBraceToken);
writer.WriteLine();
writer.Indent++;
foreach (var s in node.Statements)
{
s.WriteTo(writer);
}
writer.Indent--;
writer.WritePunctuation(SyntaxKind.CloseBraceToken);
writer.WriteLine();
}