private AegisIf MatchEElseIf()
{
if (tk.Type == TokenType.If)
{
Match(TokenType.If);
}
else
{
Match(TokenType.ElseIf);
}
Expr exp = MatchExpr();
MatchNewline();
var ai = new AegisIf();
ai.Exp = exp;
PushNode(ai);
curNode.Items = MatchIfBlock().Items;
ai = (AegisIf)PopNode();
return(ai);
}
private AegisIf MatchIf()
{
if (tk.Type == TokenType.If)
{
Match(TokenType.If);
}
else
{
Match(TokenType.ElseIf);
}
if (fallback)
{
return(null);
}
if (tk.Type == TokenType.LPar)
{
Match(TokenType.LPar);
}
Expr exp = MatchExpr();
if (fallback)
{
return(null);
}
if (tk.Type == TokenType.RPar)
{
Match(TokenType.RPar);
}
if (tk.Type == TokenType.NewLine)
{
MatchNewline();
}
var ai = new AegisIf();
PushNode(ai);
curNode.Items = MatchIfBlock().Items;
ai = (AegisIf)PopNode();
ai.Exp = exp;
ai.ElseIfs = new List <AegisIf>();
while (tk.Type == TokenType.ElseIf)
{
ai.ElseIfs.Add(MatchEElseIf());
}
if (tk.Type == TokenType.Else)
{
Match(TokenType.Else);
ai.Else = MatchIfBlock();
}
Match(TokenType.EndIf);
Match(TokenType.NewLine);
return(ai);
}
private void GenIf(AegisIf ai)
{
if (ai.Exp.GetType() == typeof(ComposExpr))
{
WriteNew("if ");
Write(TranslateExpr(ai.Exp));
WriteLine("");
}
else
{
WriteNew("if (");
Write(TranslateExpr(ai.Exp));
WriteLine(")");
}
WriteNewLine("{0}", "{");
tabLevel++;
GenBlock(ai.Items);
tabLevel--;
WriteNewLine("{0}", "}");
if (ai.ElseIfs != null)
{
foreach (AegisIf aii in ai.ElseIfs)
{
GenElseIf(aii);
}
}
if (ai.Else != null && ai.Else.Items.Count > 0)
{
WriteNewLine("else");
if (ai.Else.Items.Count == 1)
{
tabLevel++;
GenBlock(ai.Else.Items);
tabLevel--;
}
else
{
WriteNewLine("{0}", "{");
tabLevel++;
GenBlock(ai.Else.Items);
tabLevel--;
WriteNewLine("{0}", "}");
}
}
}
private void GenElseIf(AegisIf ai)
{
if (ai.Exp.GetType() == typeof(ComposExpr))
{
WriteNew("else if ");
Write(TranslateExpr(ai.Exp));
WriteLine("");
}
else
{
WriteNew("else if (");
Write(TranslateExpr(ai.Exp));
WriteLine(")");
}
if (ai.Items.Count == 1)
{
tabLevel++;
GenBlock(ai.Items);
tabLevel--;
}
else
{
WriteNewLine("{0}", "{");
tabLevel++;
GenBlock(ai.Items);
tabLevel--;
WriteNewLine("{0}", "}");
}
}
