gnatstub - Generate skeletons for Ada package bodies
gnatstub [OPTION]... filename [directory]
gnatstub is an Ada library unit body sample generator. It
takes a source file containing the source of an Ada library unit declaration
and generates the sample body for this unit in another source file. Sample
body is a kind of "minimal", but compilable body for a given unit
declaration.
gnatstub is an ASIS application developed on top of the
ASIS implementation for GNAT. The important thing to know about
gnatstub is that to create a body, gnatstub first compiles the
spec to create in your current directory the tree output file (or, simply, a
tree file). After creating a body, gnatstub deletes this tree file
(the tree file may be kept by setting the corresponding option). Therefore,
if you have some other ASIS-based tools built on top of ASIS-for-GNAT,
working on the tree files located in your current directory, be aware of
possible changes in the set of tree files as a result of using gnatstub.
- -f
- Replace an existing body file (if any) with a body sample. If destination
directory contains a file which should be considered as the body for
filename according to the GNAT file name conventions,
gnatstub treats this file as a body for filename, and it
does not create a sample body if '-f' option is not set;
- -hs
- Put in body sample the comment header from the source of the library unit
declaration contained in filename ("comment header" is
all the comments preceding the compilation unit).
- -hg
- Put in body sample a sample comment header.
- -Idir
- -I-
- These options have just the same meaning as in calls to gnatgcc or
gnatmake. They are used to define the source search path in the
call to gnatgcc issued by gnatstub to create the tree file.
Note, that to create a body, gnatstub needs a legal Ada unit,
therefore if filename depends on some unit located in another
directory, '-I' should be used to provide the path to this unit.
- -in
- (n is a decimal natural number) Sets the indentation level in a body
sample to n, '-i0' means "no indentation", the default
indentation is 3;
- -k
- Do not remove the tree file: as default, gnatstub removes from the current
directory the tree file created for filename after creating the
body sampler. '-k' prevents deleting the tree file.
- -ln
- (n is a decimal positive number) Sets maximum line length in a body sample
to n, the default line length is 78;
- -q
- Quiet mode: gnatstub does not generate a confirmation when a body is
successfully created or a message when a body is not required for an
argument unit.
- -t
- Overwrite the existing tree file: if the current directory already
contains the file which, according to the GNAT file name rules should be
considered as a tree file for filename, gnatstub will refuse
to create the tree file needed to create a body sampler, unless '-t'
option is set.
- -v
- Verbose mode: gnatstub generates version information.
gnat(1), asistant(1), gnat2xml(1), gnatcheck(1), gnatelim(1),
gnatmetric(1), gnatpp(1), gnattest(1)
Documentation about the ASIS tools may be found in
/usr/share/doc/asis-doc/ if the asis-doc package is installed.
The reference documentation about ASIS is excluded due to license problems,
but may be found in various formats at
http://libre.adacore.com/developers/documentation.