Re: [Texmacs-dev] Attempt to migrate to Guile 2.0 (need help)

[Massimiliano Gubinelli]

Hi,

On 16 Jun 2016, at 14:41, Darcy Shen <address@hidden> wrote:

I have migrated some existing statements that are not liked by Guile-2

item 1. conditional define

   (if (condition)      (define a ...)      (define a ...))    (define a (if (condition)      body1      body2))

note that semantics is not preserved: you do at runtime a check which should be performed only once at compile/definition-time. It is not clear that this is a wise choice. I would like to understand how to do conditional compilation in Guile-2 this is part of the matter. I remember having found something to specify that some form has to be evaluated by the compiler at compile time but I do not remember exactly right now. Anyway this change seems a bit odd….

item 2. curried define

   (define ((x a) b c)      (display a)      (display b)      (display c))    (define (x a)      (lambda (b c)        (display a)        (display b)        (display c)))

and use cond-expand for backward compatibility

Still don't know what's going wrong. I will try to extract the wrong pattern.

Since it works in init-texmacs.scm but does not work in a module, I guess that the problem is related to Guile's Module System.

---- On Thu, 16 Jun 2016 06:46:51 +0800 Massimiliano Gubinelli <address@hidden> wrote ----

Hi,

On 15 Jun 2016, at 17:07, Darcy Shen <address@hidden> wrote:

The problem is that after making tm-define.scm compile I can `tm-define` something in `init-texmacs.scm` and it compiles and works. But in the module `tm-preferences.scm`, it will cause a compile error where I use `tm-define`.

do you know what is going wrong? If I remember correctly my attempts to Guile-2 there were statements which were mixing compile-time and run-time evaluations (like for example conditional definitions) and they were not liked by Guile-2.

Max

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