// Protected Methods
protected void EmitHeaderStatement(PySourceCodeEmiter emiter, PySourceCodeWriter writer, PyEmitStyle style, string header, IPyStatement statement)
{
style = style ?? new PyEmitStyle();
var iStyle = PyEmitStyle.xClone(style, ShowBracketsEnum.IfManyItems);
if (style.UseBracketsEvenIfNotNecessary)
{
iStyle.Brackets = ShowBracketsEnum.Always;
}
var statementToEmit = PyCodeBlock.Reduce(statement);
var emptyStatement = !PyCodeBlock.HasAny(statementToEmit);
if (emptyStatement)
{
header += "{}";
}
if (style.Compression == EmitStyleCompression.NearCrypto)
{
writer.Write(header);
}
else
{
writer.WriteLn(header);
}
if (emptyStatement)
{
return;
}
var myBracket = style.UseBracketsEvenIfNotNecessary;
if (!myBracket)
{
var gf = statementToEmit.GetStatementEmitInfo(iStyle);
if (gf != StatementEmitInfo.NormalSingleStatement)
{
myBracket = true;
}
}
writer.IncIndent();
if (myBracket)
{
iStyle.Brackets = ShowBracketsEnum.Never;
writer.OpenLn("{");
}
statementToEmit.Emit(emiter, writer, iStyle);
if (myBracket)
{
writer.CloseLn("}");
}
writer.DecIndent();
}
public static PyCodeBlock Bound(IPyStatement s)
{
if (s is PyCodeBlock)
{
return(s as PyCodeBlock);
}
var g = new PyCodeBlock();
g.Statements.Add(s);
return(g);
}
// Public Methods
public override void Emit(PySourceCodeEmiter emiter, PySourceCodeWriter writer, PyEmitStyle style)
{
var isBeauty = style == null || style.Compression == EmitStyleCompression.Beauty;
var ifTrueAny = PyCodeBlock.HasAny(_ifTrue);
var ifFalseAny = PyCodeBlock.HasAny(_ifFalse);
if (!ifTrueAny && !ifFalseAny)
{
return;
}
writer.OpenLnF("if{1}({0}){2}",
Condition.GetPyCode(style),
isBeauty ? " " : "",
ifTrueAny ? "" : "{}");
if (ifTrueAny)
{
var iStyle = PyEmitStyle.xClone(style, ShowBracketsEnum.IfManyItems_OR_IfStatement);
if (style != null && style.UseBracketsEvenIfNotNecessary)
{
iStyle.Brackets = ShowBracketsEnum.Always;
}
var bound = PyCodeBlock.Bound(_ifTrue);
bound.Emit(emiter, writer, iStyle);
}
writer.DecIndent();
if (!ifFalseAny)
{
return;
}
var oneLine = _ifFalse is PyIfStatement;
var oldIndent = writer.Intent;
{
if (oneLine)
{
writer.Write("else ");
writer.SkipIndent = true;
}
else
{
writer.OpenLn("else");
}
var myBracket = style != null && style.UseBracketsEvenIfNotNecessary;
var iStyle = PyEmitStyle.xClone(style,
myBracket
? ShowBracketsEnum.Never
: ShowBracketsEnum.IfManyItems_OR_IfStatement);
if (!myBracket)
{
var gf = _ifFalse.GetStatementEmitInfo(iStyle);
if (gf != StatementEmitInfo.NormalSingleStatement)
{
myBracket = true;
}
}
if (myBracket)
{
iStyle.Brackets = ShowBracketsEnum.Never;
writer.OpenLn("{");
}
_ifFalse.Emit(emiter, writer, iStyle);
if (myBracket)
{
writer.CloseLn("}");
}
}
writer.Intent = oldIndent;
}