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load and execute all ~/.fgfs/Nasal/*.nas files in alphabetic order after

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the $FG_ROOT/Nasal/*.nas ones are done. This allows to use props.Node etc.
immediately, without requirement for settimer(func{}, 0) constructions.

Rationale:
- clean separation of local additions (and hacks :-) from standard files
- users might not have write permission to $FG_ROOT/Nasal/ or shouldn't
  have to su to root for writing Nasal code
This commit is contained in:
mfranz 2007-08-06 22:50:06 +00:00
parent bff5a62666
commit bf050c012f
1 changed files with 29 additions and 0 deletions
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29
Nasal/globals.nas
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@ -110,3 +110,32 @@ printlog = func(level, args...) {
}
##
# Load and execute ~/.fgfs/Nasal/*.nas files in alphabetic order
# after all $FG_ROOT/Nasal/*.nas files were loaded.
#
_setlistener("/sim/signals/nasal-dir-initialized", func {
var path = getprop("/sim/fg-home") ~ "/Nasal";
if ((var dir = directory(path)) == nil) return;
foreach (var file; sort(dir, cmp)) {
if (substr(file, -4) != ".nas") continue;
var module = substr(file, 0, size(file) - 4);
file = path ~ "/" ~ file;
printlog("info", ">>> executing local Nasal file ", file);
if (!contains(globals, module)) var locals = globals[module] = {};
elsif (typeof(globals[module]) == "hash") var locals = globals[module];
else var locals = {};
var err = [];
var code = call(func { compile(io.readfile(file), file) }, nil, err);
if (size(err)) {
print(file ~ ": " ~ err[0]);
continue;
}
call(bind(code, globals), nil, nil, locals, err);
debug.printerror(err);
}
});