static AstNode RemoveUnreachableCode(AstFor forStatement, bool inList)
{
if (forStatement.Condition == null ||
TypeConverter.ToBoolean(forStatement.Condition.ConstValue() ?? AstTrue.Instance))
{
return(forStatement);
}
var declarations = GetDeclarations(forStatement.Body);
if (forStatement.Init == null)
{
return(declarations ?? Remove);
}
var statement = forStatement.Init is AstStatement
? forStatement.Init
: new AstSimpleStatement(forStatement.Init);
if (declarations == null)
{
return(statement);
}
var statements = new StructList <AstNode>();
statements.Add(statement);
statements.Add(declarations);
return(inList
? SpreadStructList(ref statements)
: new AstBlock(forStatement)
{
Body = statements
});
}
public void WriteFor(AstFor a)
{
Write(a.Source);
Write(a.OptionalInitializer);
Write(a.OptionalCondition);
Write(a.OptionalIncrement);
Write(a.OptionalBody);
}
