mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-24 20:19:44 +00:00
b3125e73d4
With the move of some docs to docs/interop on ac06724a71,
a couple of references were not updated.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
301 lines
8.8 KiB
Python
Executable File
301 lines
8.8 KiB
Python
Executable File
#!/usr/bin/env python
|
|
# QAPI texi generator
|
|
#
|
|
# This work is licensed under the terms of the GNU LGPL, version 2+.
|
|
# See the COPYING file in the top-level directory.
|
|
"""This script produces the documentation of a qapi schema in texinfo format"""
|
|
import re
|
|
import sys
|
|
|
|
import qapi
|
|
|
|
MSG_FMT = """
|
|
@deftypefn {type} {{}} {name}
|
|
|
|
{body}
|
|
|
|
@end deftypefn
|
|
|
|
""".format
|
|
|
|
TYPE_FMT = """
|
|
@deftp {{{type}}} {name}
|
|
|
|
{body}
|
|
|
|
@end deftp
|
|
|
|
""".format
|
|
|
|
EXAMPLE_FMT = """@example
|
|
{code}
|
|
@end example
|
|
""".format
|
|
|
|
|
|
def subst_strong(doc):
|
|
"""Replaces *foo* by @strong{foo}"""
|
|
return re.sub(r'\*([^*\n]+)\*', r'@strong{\1}', doc)
|
|
|
|
|
|
def subst_emph(doc):
|
|
"""Replaces _foo_ by @emph{foo}"""
|
|
return re.sub(r'\b_([^_\n]+)_\b', r'@emph{\1}', doc)
|
|
|
|
|
|
def subst_vars(doc):
|
|
"""Replaces @var by @code{var}"""
|
|
return re.sub(r'@([\w-]+)', r'@code{\1}', doc)
|
|
|
|
|
|
def subst_braces(doc):
|
|
"""Replaces {} with @{ @}"""
|
|
return doc.replace('{', '@{').replace('}', '@}')
|
|
|
|
|
|
def texi_example(doc):
|
|
"""Format @example"""
|
|
# TODO: Neglects to escape @ characters.
|
|
# We should probably escape them in subst_braces(), and rename the
|
|
# function to subst_special() or subs_texi_special(). If we do that, we
|
|
# need to delay it until after subst_vars() in texi_format().
|
|
doc = subst_braces(doc).strip('\n')
|
|
return EXAMPLE_FMT(code=doc)
|
|
|
|
|
|
def texi_format(doc):
|
|
"""
|
|
Format documentation
|
|
|
|
Lines starting with:
|
|
- |: generates an @example
|
|
- =: generates @section
|
|
- ==: generates @subsection
|
|
- 1. or 1): generates an @enumerate @item
|
|
- */-: generates an @itemize list
|
|
"""
|
|
lines = []
|
|
doc = subst_braces(doc)
|
|
doc = subst_vars(doc)
|
|
doc = subst_emph(doc)
|
|
doc = subst_strong(doc)
|
|
inlist = ''
|
|
lastempty = False
|
|
for line in doc.split('\n'):
|
|
empty = line == ''
|
|
|
|
# FIXME: Doing this in a single if / elif chain is
|
|
# problematic. For instance, a line without markup terminates
|
|
# a list if it follows a blank line (reaches the final elif),
|
|
# but a line with some *other* markup, such as a = title
|
|
# doesn't.
|
|
#
|
|
# Make sure to update section "Documentation markup" in
|
|
# docs/devel/qapi-code-gen.txt when fixing this.
|
|
if line.startswith('| '):
|
|
line = EXAMPLE_FMT(code=line[2:])
|
|
elif line.startswith('= '):
|
|
line = '@section ' + line[2:]
|
|
elif line.startswith('== '):
|
|
line = '@subsection ' + line[3:]
|
|
elif re.match(r'^([0-9]*\.) ', line):
|
|
if not inlist:
|
|
lines.append('@enumerate')
|
|
inlist = 'enumerate'
|
|
line = line[line.find(' ')+1:]
|
|
lines.append('@item')
|
|
elif re.match(r'^[*-] ', line):
|
|
if not inlist:
|
|
lines.append('@itemize %s' % {'*': '@bullet',
|
|
'-': '@minus'}[line[0]])
|
|
inlist = 'itemize'
|
|
lines.append('@item')
|
|
line = line[2:]
|
|
elif lastempty and inlist:
|
|
lines.append('@end %s\n' % inlist)
|
|
inlist = ''
|
|
|
|
lastempty = empty
|
|
lines.append(line)
|
|
|
|
if inlist:
|
|
lines.append('@end %s\n' % inlist)
|
|
return '\n'.join(lines)
|
|
|
|
|
|
def texi_body(doc):
|
|
"""Format the main documentation body"""
|
|
return texi_format(str(doc.body)) + '\n'
|
|
|
|
|
|
def texi_enum_value(value):
|
|
"""Format a table of members item for an enumeration value"""
|
|
return '@item @code{%s}\n' % value.name
|
|
|
|
|
|
def texi_member(member, suffix=''):
|
|
"""Format a table of members item for an object type member"""
|
|
typ = member.type.doc_type()
|
|
return '@item @code{%s%s%s}%s%s\n' % (
|
|
member.name,
|
|
': ' if typ else '',
|
|
typ if typ else '',
|
|
' (optional)' if member.optional else '',
|
|
suffix)
|
|
|
|
|
|
def texi_members(doc, what, base, variants, member_func):
|
|
"""Format the table of members"""
|
|
items = ''
|
|
for section in doc.args.itervalues():
|
|
# TODO Drop fallbacks when undocumented members are outlawed
|
|
if section.content:
|
|
desc = texi_format(str(section))
|
|
elif (variants and variants.tag_member == section.member
|
|
and not section.member.type.doc_type()):
|
|
values = section.member.type.member_names()
|
|
desc = 'One of ' + ', '.join(['@t{"%s"}' % v for v in values])
|
|
else:
|
|
desc = 'Not documented'
|
|
items += member_func(section.member) + desc + '\n'
|
|
if base:
|
|
items += '@item The members of @code{%s}\n' % base.doc_type()
|
|
if variants:
|
|
for v in variants.variants:
|
|
when = ' when @code{%s} is @t{"%s"}' % (
|
|
variants.tag_member.name, v.name)
|
|
if v.type.is_implicit():
|
|
assert not v.type.base and not v.type.variants
|
|
for m in v.type.local_members:
|
|
items += member_func(m, when)
|
|
else:
|
|
items += '@item The members of @code{%s}%s\n' % (
|
|
v.type.doc_type(), when)
|
|
if not items:
|
|
return ''
|
|
return '\n@b{%s:}\n@table @asis\n%s@end table\n' % (what, items)
|
|
|
|
|
|
def texi_sections(doc):
|
|
"""Format additional sections following arguments"""
|
|
body = ''
|
|
for section in doc.sections:
|
|
name, doc = (section.name, str(section))
|
|
func = texi_format
|
|
if name.startswith('Example'):
|
|
func = texi_example
|
|
|
|
if name:
|
|
# prefer @b over @strong, so txt doesn't translate it to *Foo:*
|
|
body += '\n\n@b{%s:}\n' % name
|
|
|
|
body += func(doc)
|
|
return body
|
|
|
|
|
|
def texi_entity(doc, what, base=None, variants=None,
|
|
member_func=texi_member):
|
|
return (texi_body(doc)
|
|
+ texi_members(doc, what, base, variants, member_func)
|
|
+ texi_sections(doc))
|
|
|
|
|
|
class QAPISchemaGenDocVisitor(qapi.QAPISchemaVisitor):
|
|
def __init__(self):
|
|
self.out = None
|
|
self.cur_doc = None
|
|
|
|
def visit_begin(self, schema):
|
|
self.out = ''
|
|
|
|
def visit_enum_type(self, name, info, values, prefix):
|
|
doc = self.cur_doc
|
|
if self.out:
|
|
self.out += '\n'
|
|
self.out += TYPE_FMT(type='Enum',
|
|
name=doc.symbol,
|
|
body=texi_entity(doc, 'Values',
|
|
member_func=texi_enum_value))
|
|
|
|
def visit_object_type(self, name, info, base, members, variants):
|
|
doc = self.cur_doc
|
|
if base and base.is_implicit():
|
|
base = None
|
|
if self.out:
|
|
self.out += '\n'
|
|
self.out += TYPE_FMT(type='Object',
|
|
name=doc.symbol,
|
|
body=texi_entity(doc, 'Members', base, variants))
|
|
|
|
def visit_alternate_type(self, name, info, variants):
|
|
doc = self.cur_doc
|
|
if self.out:
|
|
self.out += '\n'
|
|
self.out += TYPE_FMT(type='Alternate',
|
|
name=doc.symbol,
|
|
body=texi_entity(doc, 'Members'))
|
|
|
|
def visit_command(self, name, info, arg_type, ret_type,
|
|
gen, success_response, boxed):
|
|
doc = self.cur_doc
|
|
if self.out:
|
|
self.out += '\n'
|
|
if boxed:
|
|
body = texi_body(doc)
|
|
body += '\n@b{Arguments:} the members of @code{%s}' % arg_type.name
|
|
body += texi_sections(doc)
|
|
else:
|
|
body = texi_entity(doc, 'Arguments')
|
|
self.out += MSG_FMT(type='Command',
|
|
name=doc.symbol,
|
|
body=body)
|
|
|
|
def visit_event(self, name, info, arg_type, boxed):
|
|
doc = self.cur_doc
|
|
if self.out:
|
|
self.out += '\n'
|
|
self.out += MSG_FMT(type='Event',
|
|
name=doc.symbol,
|
|
body=texi_entity(doc, 'Arguments'))
|
|
|
|
def symbol(self, doc, entity):
|
|
self.cur_doc = doc
|
|
entity.visit(self)
|
|
self.cur_doc = None
|
|
|
|
def freeform(self, doc):
|
|
assert not doc.args
|
|
if self.out:
|
|
self.out += '\n'
|
|
self.out += texi_body(doc) + texi_sections(doc)
|
|
|
|
|
|
def texi_schema(schema):
|
|
"""Convert QAPI schema documentation to Texinfo"""
|
|
gen = QAPISchemaGenDocVisitor()
|
|
gen.visit_begin(schema)
|
|
for doc in schema.docs:
|
|
if doc.symbol:
|
|
gen.symbol(doc, schema.lookup_entity(doc.symbol))
|
|
else:
|
|
gen.freeform(doc)
|
|
return gen.out
|
|
|
|
|
|
def main(argv):
|
|
"""Takes schema argument, prints result to stdout"""
|
|
if len(argv) != 2:
|
|
print >>sys.stderr, "%s: need exactly 1 argument: SCHEMA" % argv[0]
|
|
sys.exit(1)
|
|
|
|
schema = qapi.QAPISchema(argv[1])
|
|
if not qapi.doc_required:
|
|
print >>sys.stderr, ("%s: need pragma 'doc-required' "
|
|
"to generate documentation" % argv[0])
|
|
sys.exit(1)
|
|
print texi_schema(schema)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main(sys.argv)
|