such as in the equation
 o1,o2 = current (n(x,y,z));

Remove a lot of warnings (considered as errors by dune).

The idea is to be able to take into account clock in node profiles
when generating the main simulation loop, and to avoid to read inputs
that are not present.

+ fix a (invisible) bug in lic2soc: the same action was generated twice.

And it is now done only by Lic2soc (L2lCheckLoops is not used anymore)

Also, during this change, I was bitten again by the « "__" versus "::" in ident
names » problem again.

The core of this problem is due to the fact that I use LicDump both for
(1) dealing with internal ident names
(2) generating lustre files

Because of (2), ident names may depend on the ec or the v4 option. hence, internal
names were sometimes translated with "__" instead of "::".

To (try to) fix that, I've added a boolean flag to all "to_string" functions that
states whether the function is used for internal purposes, or for generating lustre
files.

It was quite a boring change, that triggered other problems, that I've fixed
in this (too long) commit :
 - -esa should force -en, otherwise bad things happen (-esa is used for -ec anyway)
 - in -esa mode, #/nor inputs tuples of bool, not arrays
 - fix the list of predi op that returns a type different that its arg (SocPredef)

nb : i have changed the var name in the generated nodes, which was a bad idea
(=painful to get it rigth again).

('::' vs '__')

soc2c -2cw7: use mkff+fixffx+arm.looploc to fix extern lib calls.

The bug was (in soc2c.ml::137) that, for array of instances of size
n, it was generating n+1 initialisations, causing a seg fault.

Report by willie (cf mail of 8/10/2014 to get the file)

file:/tmp/modes3x2.lus

lus2lic -esa -en -2c /tmp/modes3x2.lus -n modes3x2

But it gives an error of:
Error. in file "/mnt/A/wsept/modes3x2_pre_orig_lus2lic_en_esa/modes3x2.lus",
line 74, col 8 to 8, token '#': only one operator per equation is allowed
(v04_0, v04_1).

Which is the line:
assert #(on_off, toggle);

-----------------------------------------------------------------

Actually, refuse programs that uses "#" or "nor" run with -esa and
-2c|-exec

That means that willie program is now rejected.

Nevertheless, that change migth fix some other programs (that uses
arrays, and used with -esa and -exec or -2c).

Also fix a bug in Lic2soc.make_e2a_elt where some deps and some
actions were lost. Actually, this bug ought to be triggered only with
nested calls. So this affects only programs executed via the
-knc/-keep-nested-calls option. and -2c is not supposed to work in
conjunction with -knc ! Hence this fix does not fix anything. But
still it fixes potentially future code if I (or someone else) decide
to handle nested calls in the lic one day.

More precisely, it was introduced here 6c7bc562

bug1: Soc2cGenAssign.f was calling Soc2cIdent.type_to_short_string,
which was generating bad idents (ie, containing "::").

bug2 : some _assign_array_types macro def were missing.

to be continued...

is the clock of the quicker clock among its inputs, not among its output !

nb : the -exec mode was working because I did not use the generated soc,
which was completely wrong.

Note that to do that, I have modified the CURRENT variant of
Lic.val_exp, to attach it the clock the current holds on. Indeed, the
clock is mandatory to generated correct code...

In an ideal world, this clock information may have explicitely been
set by the user ("current(clk_of_X,X)" instead of "current(X)"), but
for historical reason, it is not the case.

Hence, this information is added as soon as it is available, namely,
during clock checking.

Indeed, once the activation condition has been true, and when it is
false it wax returning the default value instead of the previous one.

# of expected passes 		1512 -> 1519
# of unexpected failures	84 -> 78

# of unexpected failures	101->109

but actually, some new test passes causes several other failing test
to be tried, so it is not really a regression.

where I've removed the handling of polymorphism.

where I've removed the handling of polymorphism.

For instance,
  node toto = map<<Lustre::if,  N>>(x, a, b);
is rejected.

The problem with this change is that we now also reject equations such as
   res = map<<+,  N>>(x, a, b);

which could be avoided. Probably L2lRmPoly does its job partially.

nb:  unexpected failures 126 -> 120

The arrow soc now has a memory used to hold if the first step has be triggered.

- Generate code for most predef operators.
- Generate a loop.c file (in a similar manner as ec2c -loop does)

Add the modes3x2 exemple of Pascal (its version + a la V6 version).

Fix the doc wrt the merge exemple (the tex was refering to a
non-existant file).

Work in progress...

Indeed, the initialisation of the fby was done when the soc was
created.  Hence the first fby that was translated was giving its
initial value to all others forthcoming fby !!!

In order to fix that, I've modified the type of Soc.key so that the
initial value is part of its key.

Note that currently, it does not work if the initial value is an input.

Actually, it was a misunderstanding of mine (R1) ; the behavior was consistent
with the lv6 doc, but not with the v4 behavior...

Indeed, # means "at most 1 among n", not "exactly one among n" as I tought...

The rationale is to avoid local vars blow-up on some
examples. Indeed, the generated oracle blows-up (e.g., on left.lus)
if we execute it via v4, whereas via v6 it works fine.

This change triggers a couple of bugs that ware easy to fix
(confusion between div and slash) that I've fixed along the way.
For the others, I'll see later.

Overall it's a progress albeit
  #fail: 80 -> 83

indeed:
  #unresolved: 20 -> 12
  #passes		878 -> 883
  time: 335 -> 228

 nb : #FAILS=84->81

I though polymorphism was removed by l2lRmPoly.ml, but well, it was easy.

nb : #FAILS=131->128

nb : #FAILS=135->131

I took the data type definition from SocExecValue to define a Data
module that is a strict extension of the Lutin Data module.

The duplicated Genlex module is now also identical to the one of
Lurette.

Quite boring, but simple thanks to the ocaml type system.