YStatement ProcessStatement(IfStatementSyntax ifStatement)
{
YExpr condition = ProcessExpr(ifStatement.Condition);
YStatement statement = ProcessStatement(ifStatement.Statement);
YStatement elseStatement = ProcessStatement(ifStatement.Else.Statement);
return(new YIf(condition, statement, elseStatement));
}
/// <summary>
/// Unwrap statement to string.
/// </summary>
static public void AppendEx(this StringBuilder builder, YStatement statement)
{
if (statement is YBlock)
{
var block = (YBlock)statement;
builder.Append("{");
foreach (var s in block.Statements)
{
AppendEx(builder, s);
}
builder.Append("}");
}
else if (statement is YReturn)
{
var @return = (YReturn)statement;
builder.Append("return ");
AppendEx(builder, @return.Value);
builder.Append(";");
}
else if (statement is YExprStatement)
{
AppendEx(builder, ((YExprStatement)statement).Expression);
builder.Append(";");
}
else if (statement is YIf)
{
var @if = (YIf)statement;
builder.Append("if (");
AppendEx(builder, @if.Condition);
builder.Append(")");
AppendEx(builder, @if.Statement);
if (@if.ElseStatement != null)
{
builder.Append(" else ");
AppendEx(builder, @if.ElseStatement);
}
}
}
public YIf(YExpr condition, YStatement statement, YStatement elseStatement)
{
Condition = condition;
Statement = statement;
ElseStatement = elseStatement;
}
