public override bool Visit(UnifiedWhile element, VisitorArgument arg)
{
Writer.Write("while ");
element.Condition.TryAccept(this, arg);
Writer.WriteLine(":");
element.Body.TryAccept(this, arg.IncrementDepth());
if (!element.ElseBody.IsEmptyOrNull())
{
Writer.WriteLine("else:");
element.ElseBody.TryAccept(this, arg.IncrementDepth());
}
return(false);
}
public override bool Visit(UnifiedIf ifStatement, VisitorArgument arg)
{
Writer.Write("if ");
ifStatement.Condition.TryAccept(this, arg);
Writer.WriteLine(":");
ifStatement.Body.TryAccept(this, arg.IncrementDepth());
if (ifStatement.ElseBody != null)
{
WriteIndent(arg.IndentDepth);
Writer.WriteLine("else:");
ifStatement.ElseBody.TryAccept(this, arg.IncrementDepth());
}
return(false);
}
public override bool Visit(UnifiedForeach element, VisitorArgument arg)
{
Writer.Write("for ");
element.Element.TryAccept(this, arg);
Writer.Write(" in ");
element.Set.TryAccept(this, arg);
Writer.WriteLine(":");
element.Body.TryAccept(this, arg.IncrementDepth());
if (!element.ElseBody.IsEmptyOrNull())
{
Writer.WriteLine("else:");
element.ElseBody.TryAccept(this, arg.IncrementDepth());
}
return(false);
}
public override bool Visit(UnifiedDoWhile element, VisitorArgument arg)
{
element.Body.TryAccept(this, arg);
Writer.Write("while ");
element.Condition.TryAccept(this, arg);
Writer.WriteLine(":");
element.Body.TryAccept(this, arg.IncrementDepth());
return(false);
}
public override bool Visit(
UnifiedSet <UnifiedCase> element, VisitorArgument arg)
{
arg = arg.IncrementDepth();
foreach (var caseElement in element)
{
WriteIndent(arg.IndentDepth);
caseElement.TryAccept(this, arg);
}
return(false);
}
public override bool Visit(UnifiedFor element, VisitorArgument arg)
{
element.Initializer.TryAccept(this, arg.Set(CommaDelimiter));
Writer.Write("while ");
element.Condition.TryAccept(this, arg);
Writer.WriteLine(":");
arg = arg.IncrementDepth();
element.Body.TryAccept(this, arg);
WriteIndent(arg.IndentDepth);
element.Step.TryAccept(this, arg.Set(SemiColonDelimiter));
return(false);
}
public override bool Visit(
UnifiedFunctionDefinition element, VisitorArgument arg)
{
element.Annotations.TryAccept(this, arg);
element.Modifiers.TryAccept(this, arg);
Writer.Write("def ");
element.Name.TryAccept(this, arg);
element.Parameters.TryAccept(this, arg);
Writer.WriteLine(":");
element.Body.TryAccept(this, arg.IncrementDepth());
return(false);
}
//ブロック
public override bool Visit(UnifiedBlock element, VisitorArgument arg)
{
//「いわゆるブロック」と「式のリストの入れ物としてのブロック」があるため、decorationでどちらかを判断する
var decoration = arg.Decoration;
//いわゆるブロックの場合 : e.g. while(true){ }の{ }の部分
if (decoration.MostLeft == "{")
{
Writer.WriteLine(decoration.MostLeft);
arg = arg.IncrementDepth(); //ブロック内部ではインデントを1つ下げる
//ブロック内部の式を出力
foreach (var stmt in element)
{
WriteIndent(arg.IndentDepth);
if (stmt.TryAccept(this, arg))
{
Writer.Write(";");
}
Writer.Write(decoration.EachRight);
}
arg = arg.DecrementDepth(); //インデントを元に戻す
WriteIndent(arg.IndentDepth);
Writer.Write(decoration.MostRight);
return(false);
}
//式のリストの入れ物としてのブロックの場合 : e.g. return 1,2,3;の1,2,3の部分
//式の数が0個の場合は何も出力せずに終了
if (element.Count == 0)
{
return(false);
}
//式が1つ以上ある場合
//TODO なぜ括弧を出力するのか確認
Writer.Write("(");
var comma = "";
foreach (var e in element)
{
Writer.Write(comma);
e.TryAccept(this, arg);
comma = decoration.Delimiter;
}
Writer.Write(")");
return(false);
}
public override bool Visit(UnifiedSwitch element, VisitorArgument arg)
{
if (!element.Cases.IsEmptyOrNull())
{
foreach (var c in element.Cases)
{
Writer.Write("if ");
element.Value.TryAccept(this, arg);
Writer.Write(" == ");
c.Condition.TryAccept(this, arg);
Writer.WriteLine(":");
c.Body.TryAccept(this, arg.IncrementDepth());
}
}
return(false);
}
public override bool Visit(
UnifiedClassDefinition element, VisitorArgument arg)
{
element.Annotations.TryAccept(this, arg);
element.Modifiers.TryAccept(this, arg);
Writer.Write("class");
Writer.Write(" ");
element.Name.TryAccept(this, arg);
Writer.Write(":");
Writer.Write(" # ");
element.GenericParameters.TryAccept(this, arg);
element.Constrains.TryAccept(this, arg);
Writer.WriteLine();
element.Body.TryAccept(this, arg.IncrementDepth());
return(false);
}
public override bool Visit(UnifiedBlock element, VisitorArgument arg)
{
if (!string.IsNullOrEmpty(arg.Decoration.MostLeft))
{
Writer.WriteLine(arg.Decoration.MostLeft);
arg = arg.IncrementDepth();
}
foreach (var stmt in element)
{
WriteIndent(arg);
if (stmt.TryAccept(this, arg))
{
Writer.Write(";");
}
Writer.Write(arg.Decoration.EachRight);
}
if (!string.IsNullOrEmpty(arg.Decoration.MostRight))
{
arg = arg.DecrementDepth();
WriteIndent(arg);
Writer.WriteLine(arg.Decoration.MostRight);
}
return(false);
}
