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From: =?utf-8?Q?Yannick_Duch=C3=AAne_=28Hibou57?=
 =?utf-8?Q?=29?=
 <yannick_duchene@yahoo.fr>
Newsgroups: comp.lang.ada
Subject: Re: Tentative design of markdown parser
Date: Sat, 28 May 2011 16:40:53 +0200
Organization: Ada @ Home
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Date: 2011-05-28T16:40:53+02:00
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Le Sat, 28 May 2011 15:22:17 +0200, Natasha Kerensikova  =

<lithiumcat@gmail.com> a =C3=A9crit:
> type Element_Priority is delta 2.0**(-15) range 0.0 .. 1.0;
>
> type Span_Element is record
>   Active_Char : Character;
>   Priority : Element_Priority;
>   Lexer : Lexer_Callback;
>   Renderer : Renderer_Callback);
I've the Rationals part which I may read later, and did not already  =

searched the web for what Markdown is, so I may missed some point.

What is Element_Priority ? A kind of Order-of-precedence ?

Span_Element is a structure, with no constructor ? What returns  =

instance(s) of Span_Element ?

> type Lexer_Callback is access procedure (
>   Source : String;
>   Position : in out Positive;
>   Renderer: Render_Callback);
Lexer_Callback get a parameter of type String, but nowhere I can see a  =

structure holding a type String. Seems the interface does not show all t=
he  =

relations between all the stuffs.

Position is in/out, so something should hold at least a corresponding  =

element of the same type Positive, which would be mutable. I could not s=
ee  =

such a thing. Same as the above comment, I feel the interface does not  =

show some relations which are supposed to be =E2=80=9Cguessed=E2=80=9D.

Sorry if my questions seems stupid, as I suppose everything looks very  =

clear in your own mind.

-- =

=E2=80=9CSyntactic sugar causes cancer of the semi-colons.=E2=80=9D  [Ep=
igrams on  =

Programming =E2=80=94 Alan J. =E2=80=94 P. Yale University]
=E2=80=9CStructured Programming supports the law of the excluded muddle.=
=E2=80=9D [Idem]
=E2=80=9Cc++; /* this makes c bigger but returns the old value */=E2=80=9D=
 [Anonymous]