NAME¶
Glib::ParseXSDoc - Parse POD and XSub declarations from XS files.
DESCRIPTION¶
This is the heart of an automatic API reference documentation system for
XS-based Perl modules. FIXME more info here!!
FIXME document recognized POD directives and the output data structures
FUNCTIONS¶
- xsdocparse (@filenames)
- Parse xs files for xsub signatures and pod. Writes to
standard output a data structure suitable for eval'ing in another Perl
script, describing all the stuff found. The output contains three
variables:
- $xspods = ARRAYREF
- array of pods found in the verbatim C portion of the XS
file, listed in the order found. These are assumed to pertain to the XS/C
api, not the Perl api. Any "=for apidoc" paragraphs following an
"=object" paragraphs in the verbatim sections are stripped (as
are the "=object" paragraphs), and will appear instead in
"$data->{$package}{pods}".
- $data = HASHREF
- big hash keyed by package name (as found in the MODULE
line), containing under each key a hash with all the xsubs and pods in
that package, in the order found. Packages are consolidated across
multiple files.
FYI, this creates a new parser and calls "parse_file" on it for each
input filename; then calls "swizzle_pods" to ensure that any
"=for apidoc name" pods are matched up with their target xsubs; and
finally calls Data::Dumper to write the data to stdout. So, if you want to get
finer control over how the output is created, or keep all the data in-process,
now you know how. :-)
METHODS¶
- $Glib::ParseXSDoc::verbose
- If true, this causes the parser to be verbose.
- $parser = Glib::ParseXSDoc->new
- Create a new xsub parser.
- string = $parser->package
- Get the current package name. Falls back to the module
name. Will be undef if the parser hasn't reached the first MODULE
line.
- HASHREF = $parser->pkgdata
- The data hash corresponding to the current package,
honoring the most recently encountered "=for object" directive.
Ensures that it exists. Returns a reference to the member of the main data
structure, so modifications are permanent and useful.
- $parser->parse_file (filename)
- Parse one xs file. Stores all the collected data in
$parser's internal data structures.
- $parser->swizzle_pods
- Match "=for apidoc" pods to xsubs.
- $parser->preprocess_pods
- Honor the "__hide__" and "__function__"
directives in "=for apidoc" lines.
We look for the strings anywhere, but you'll typically have it at the end of
the line, e.g.:
=for apidoc symname __hide__ for detached blocks
=for apidoc __hide__ for attached blocks
=for apidoc symname __function__ for functions rather than methods
=for apidoc __function__ for functions rather than methods
- bool = $parser->is_module_line ($line)
- Analyze $line to see if it contains an
XS MODULE directive. If so, returns true after setting the
$parser 's module, package, and
prefix accordingly.
- $pod = $parser->slurp_pod_paragraph ($firstline,
$term_regex=/^=cut\s*/)
- Slurp up POD lines from $filehandle
from here to the next $term_regex or EOF. Since you
probably already read a line to determine that we needed to start a pod,
you can pass that first line to be included.
- $xsub = $parser->parse_xsub (\@lines)
- $xsub = $parser->parse_xsub (@lines)
- Parse an xsub header, in the form of a list of lines, into
a data structure describing the xsub. That includes pulling out the
argument types, aliases, and code type.
Without artificial intelligence, we cannot reliably determine anything about
the types or number of parameters returned from xsubs with PPCODE bodies.
OUTLIST parameters are pulled from the args list and put into an
"outlist" key. IN_OUTLIST parameters are put into both.
Data type names are not mangled at all.
Note that the method can take either a list of lines or a reference to a
list of lines. The flat list form is provided for compatibility; the
reference form is preferred, to avoid duplicating a potentially large list
of strings.
- $parser->clean_out_empty_pods
- Looks through the data member of the parser and removes any
keys (and associated values) when no pod, enums, and xsubs exist for the
package.
AUTHOR¶
muppet <scott at asofyet dot org>
COPYRIGHT AND LICENSE¶
Copyright (C) 2003, 2004 by muppet
This library is free software; you can redistribute it and/or modify it under
the terms of the GNU Library General Public License as published by the Free
Software Foundation; either version 2.1 of the License, or (at your option)
any later version.
This library is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU Library General Public License for more
details.
You should have received a copy of the GNU Library General Public License along
with this library; if not, write to the Free Software Foundation, Inc., 51
Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.