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cmake.py 15.33 KiB
#=============================================================================
# CMake - Cross Platform Makefile Generator
# Copyright 2000-2013 Kitware, Inc., Insight Software Consortium
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
import os
import re
# Monkey patch for pygments reporting an error when generator expressions are
# used.
# https://bitbucket.org/birkenfeld/pygments-main/issue/942/cmake-generator-expressions-not-handled
from pygments.lexers import CMakeLexer
from pygments.token import Name, Operator
from pygments.lexer import bygroups
CMakeLexer.tokens["args"].append(('(\\$<)(.+?)(>)',
bygroups(Operator, Name.Variable, Operator)))
# Monkey patch for sphinx generating invalid content for qcollectiongenerator
# https://bitbucket.org/birkenfeld/sphinx/issue/1435/qthelp-builder-should-htmlescape-keywords
from sphinx.util.pycompat import htmlescape
from sphinx.builders.qthelp import QtHelpBuilder
old_build_keywords = QtHelpBuilder.build_keywords
def new_build_keywords(self, title, refs, subitems):
old_items = old_build_keywords(self, title, refs, subitems)
new_items = []
for item in old_items:
before, rest = item.split("ref=\"", 1)
ref, after = rest.split("\"")
if ("<" in ref and ">" in ref):
new_items.append(before + "ref=\"" + htmlescape(ref) + "\"" + after)
else:
new_items.append(item)
return new_items
QtHelpBuilder.build_keywords = new_build_keywords
from docutils.parsers.rst import Directive, directives
from docutils.transforms import Transform
try:
from docutils.utils.error_reporting import SafeString, ErrorString
except ImportError:
# error_reporting was not in utils before version 0.11:
from docutils.error_reporting import SafeString, ErrorString
from docutils import io, nodes
from sphinx.directives import ObjectDescription
from sphinx.domains import Domain, ObjType
from sphinx.roles import XRefRole
from sphinx.util.nodes import make_refnode
from sphinx import addnodes
class CMakeModule(Directive):
required_arguments = 1
optional_arguments = 0
final_argument_whitespace = True
option_spec = {'encoding': directives.encoding}
def __init__(self, *args, **keys):
self.re_start = re.compile(r'^#\[(?P<eq>=*)\[\.rst:$')
Directive.__init__(self, *args, **keys)
def run(self):
settings = self.state.document.settings
if not settings.file_insertion_enabled:
raise self.warning('"%s" directive disabled.' % self.name)
env = self.state.document.settings.env
rel_path, path = env.relfn2path(self.arguments[0])
path = os.path.normpath(path)
encoding = self.options.get('encoding', settings.input_encoding)
e_handler = settings.input_encoding_error_handler
try:
settings.record_dependencies.add(path)
f = io.FileInput(source_path=path, encoding=encoding,
error_handler=e_handler)
except UnicodeEncodeError as error:
raise self.severe('Problems with "%s" directive path:\n'
'Cannot encode input file path "%s" '
'(wrong locale?).' %
(self.name, SafeString(path)))
except IOError as error:
raise self.severe('Problems with "%s" directive path:\n%s.' %
(self.name, ErrorString(error)))
raw_lines = f.read().splitlines()
f.close()
rst = None
lines = []
for line in raw_lines:
if rst is not None and rst != '#':
# Bracket mode: check for end bracket
pos = line.find(rst)
if pos >= 0:
if line[0] == '#':
line = ''
else:
line = line[0:pos]
rst = None
else:
# Line mode: check for .rst start (bracket or line)
m = self.re_start.match(line)
if m:
rst = ']%s]' % m.group('eq')
line = ''
elif line == '#.rst:':
rst = '#'
line = ''
elif rst == '#':
if line == '#' or line[:2] == '# ':
line = line[2:]
else:
rst = None
line = ''
elif rst is None:
line = ''
lines.append(line)
if rst is not None and rst != '#':
raise self.warning('"%s" found unclosed bracket "#[%s[.rst:" in %s' %
(self.name, rst[1:-1], path))
self.state_machine.insert_input(lines, path)
return []
class _cmake_index_entry:
def __init__(self, desc):
self.desc = desc
def __call__(self, title, targetid, main = 'main'):
return ('pair', u'%s ; %s' % (self.desc, title), targetid, main)
_cmake_index_objs = {
'command': _cmake_index_entry('command'),
'generator': _cmake_index_entry('generator'),
'manual': _cmake_index_entry('manual'),
'module': _cmake_index_entry('module'),
'policy': _cmake_index_entry('policy'),
'prop_cache': _cmake_index_entry('cache property'),
'prop_dir': _cmake_index_entry('directory property'),
'prop_gbl': _cmake_index_entry('global property'),
'prop_inst': _cmake_index_entry('installed file property'),
'prop_sf': _cmake_index_entry('source file property'),
'prop_test': _cmake_index_entry('test property'),
'prop_tgt': _cmake_index_entry('target property'),
'variable': _cmake_index_entry('variable'),
}
def _cmake_object_inventory(env, document, line, objtype, targetid):
inv = env.domaindata['cmake']['objects']
if targetid in inv:
document.reporter.warning(
'CMake object "%s" also described in "%s".' %
(targetid, env.doc2path(inv[targetid][0])), line=line)
inv[targetid] = (env.docname, objtype)
class CMakeTransform(Transform):
# Run this transform early since we insert nodes we want
# treated as if they were written in the documents.
default_priority = 210
def __init__(self, document, startnode):
Transform.__init__(self, document, startnode)
self.titles = {}
def parse_title(self, docname):
"""Parse a document title as the first line starting in [A-Za-z0-9<]
or fall back to the document basename if no such line exists.
The cmake --help-*-list commands also depend on this convention.
Return the title or False if the document file does not exist.
"""
env = self.document.settings.env
title = self.titles.get(docname)
if title is None:
fname = os.path.join(env.srcdir, docname+'.rst')
try:
f = open(fname, 'r')
except IOError:
title = False
else:
for line in f:
if len(line) > 0 and (line[0].isalnum() or line[0] == '<'):
title = line.rstrip()
break
f.close()
if title is None:
title = os.path.basename(docname)
self.titles[docname] = title
return title
def apply(self):
env = self.document.settings.env
# Treat some documents as cmake domain objects.
objtype, sep, tail = env.docname.rpartition('/')
make_index_entry = _cmake_index_objs.get(objtype)
if make_index_entry:
title = self.parse_title(env.docname)
# Insert the object link target.
if objtype == 'command':
targetname = title.lower()
else:
targetname = title
targetid = '%s:%s' % (objtype, targetname)
targetnode = nodes.target('', '', ids=[targetid])
self.document.note_explicit_target(targetnode)
self.document.insert(0, targetnode)
# Insert the object index entry.
indexnode = addnodes.index()
indexnode['entries'] = [make_index_entry(title, targetid)]
self.document.insert(0, indexnode)
# Add to cmake domain object inventory
_cmake_object_inventory(env, self.document, 1, objtype, targetid)
class CMakeObject(ObjectDescription):
def handle_signature(self, sig, signode):
# called from sphinx.directives.ObjectDescription.run()
signode += addnodes.desc_name(sig, sig)
return sig
def add_target_and_index(self, name, sig, signode):
if self.objtype == 'command':
targetname = name.lower()
else:
targetname = name
targetid = '%s:%s' % (self.objtype, targetname)
if targetid not in self.state.document.ids:
signode['names'].append(targetid)
signode['ids'].append(targetid)
signode['first'] = (not self.names)
self.state.document.note_explicit_target(signode)
_cmake_object_inventory(self.env, self.state.document,
self.lineno, self.objtype, targetid)
make_index_entry = _cmake_index_objs.get(self.objtype)
if make_index_entry:
self.indexnode['entries'].append(make_index_entry(name, targetid))
class CMakeXRefRole(XRefRole):
# See sphinx.util.nodes.explicit_title_re; \x00 escapes '<'.
_re = re.compile(r'^(.+?)(\s*)(?<!\x00)<(.*?)>$', re.DOTALL)
_re_sub = re.compile(r'^([^()\s]+)\s*\(([^()]*)\)$', re.DOTALL)
def __call__(self, typ, rawtext, text, *args, **keys):
# Translate CMake command cross-references of the form:
# `command_name(SUB_COMMAND)`
# to have an explicit target:
# `command_name(SUB_COMMAND) <command_name>`
if typ == 'cmake:command':
m = CMakeXRefRole._re_sub.match(text)
if m:
text = '%s <%s>' % (text, m.group(1))
# CMake cross-reference targets frequently contain '<' so escape
# any explicit `<target>` with '<' not preceded by whitespace.
while True:
m = CMakeXRefRole._re.match(text)
if m and len(m.group(2)) == 0:
text = '%s\x00<%s>' % (m.group(1), m.group(3))
else:
break
return XRefRole.__call__(self, typ, rawtext, text, *args, **keys)
# We cannot insert index nodes using the result_nodes method
# because CMakeXRefRole is processed before substitution_reference
# nodes are evaluated so target nodes (with 'ids' fields) would be
# duplicated in each evaluted substitution replacement. The
# docutils substitution transform does not allow this. Instead we
# use our own CMakeXRefTransform below to add index entries after
# substitutions are completed.
#
# def result_nodes(self, document, env, node, is_ref):
# pass
class CMakeXRefTransform(Transform):
# Run this transform early since we insert nodes we want
# treated as if they were written in the documents, but
# after the sphinx (210) and docutils (220) substitutions.
default_priority = 221
def apply(self):
env = self.document.settings.env
# Find CMake cross-reference nodes and add index and target
# nodes for them.
for ref in self.document.traverse(addnodes.pending_xref):
if not ref['refdomain'] == 'cmake':
continue
objtype = ref['reftype']
make_index_entry = _cmake_index_objs.get(objtype)
if not make_index_entry:
continue
objname = ref['reftarget']
targetnum = env.new_serialno('index-%s:%s' % (objtype, objname))
targetid = 'index-%s-%s:%s' % (targetnum, objtype, objname)
targetnode = nodes.target('', '', ids=[targetid])
self.document.note_explicit_target(targetnode)
indexnode = addnodes.index()
indexnode['entries'] = [make_index_entry(objname, targetid, '')]
ref.replace_self([indexnode, targetnode, ref])
class CMakeDomain(Domain):
"""CMake domain."""
name = 'cmake'
label = 'CMake'
object_types = {
'command': ObjType('command', 'command'),
'generator': ObjType('generator', 'generator'),
'variable': ObjType('variable', 'variable'),
'module': ObjType('module', 'module'),
'policy': ObjType('policy', 'policy'),
'prop_cache': ObjType('prop_cache', 'prop_cache'),
'prop_dir': ObjType('prop_dir', 'prop_dir'),
'prop_gbl': ObjType('prop_gbl', 'prop_gbl'),
'prop_inst': ObjType('prop_inst', 'prop_inst'),
'prop_sf': ObjType('prop_sf', 'prop_sf'),
'prop_test': ObjType('prop_test', 'prop_test'),
'prop_tgt': ObjType('prop_tgt', 'prop_tgt'),
'manual': ObjType('manual', 'manual'),
}
directives = {
'command': CMakeObject,
'variable': CMakeObject,
# Other object types cannot be created except by the CMakeTransform
# 'generator': CMakeObject,
# 'module': CMakeObject,
# 'policy': CMakeObject,
# 'prop_cache': CMakeObject,
# 'prop_dir': CMakeObject,
# 'prop_gbl': CMakeObject,
# 'prop_inst': CMakeObject,
# 'prop_sf': CMakeObject,
# 'prop_test': CMakeObject,
# 'prop_tgt': CMakeObject,
# 'manual': CMakeObject,
}
roles = {
'command': CMakeXRefRole(fix_parens = True, lowercase = True),
'generator': CMakeXRefRole(),
'variable': CMakeXRefRole(),
'module': CMakeXRefRole(),
'policy': CMakeXRefRole(),
'prop_cache': CMakeXRefRole(),
'prop_dir': CMakeXRefRole(),
'prop_gbl': CMakeXRefRole(),
'prop_inst': CMakeXRefRole(),
'prop_sf': CMakeXRefRole(),
'prop_test': CMakeXRefRole(),
'prop_tgt': CMakeXRefRole(),
'manual': CMakeXRefRole(),
}
initial_data = {
'objects': {}, # fullname -> docname, objtype
}
def clear_doc(self, docname):
to_clear = set()
for fullname, (fn, _) in self.data['objects'].items():
if fn == docname:
to_clear.add(fullname)
for fullname in to_clear:
del self.data['objects'][fullname]
def resolve_xref(self, env, fromdocname, builder,
typ, target, node, contnode):
targetid = '%s:%s' % (typ, target)
obj = self.data['objects'].get(targetid)
if obj is None:
# TODO: warn somehow?
return None
return make_refnode(builder, fromdocname, obj[0], targetid,
contnode, target)
def get_objects(self):
for refname, (docname, type) in self.data['objects'].items():
yield (refname, refname, type, docname, refname, 1)
def setup(app):
app.add_directive('cmake-module', CMakeModule)
app.add_transform(CMakeTransform)
app.add_transform(CMakeXRefTransform)
app.add_domain(CMakeDomain)