310 lines
9.7 KiB
Python
310 lines
9.7 KiB
Python
# Extension to generate Doxygen XML include files, with IDF config & soc macros included
|
|
from __future__ import print_function
|
|
from __future__ import unicode_literals
|
|
from io import open
|
|
import os
|
|
import os.path
|
|
import re
|
|
import subprocess
|
|
from .util import copy_if_modified
|
|
|
|
ALL_KINDS = [
|
|
("function", "Functions"),
|
|
("union", "Unions"),
|
|
("struct", "Structures"),
|
|
("define", "Macros"),
|
|
("typedef", "Type Definitions"),
|
|
("enum", "Enumerations")
|
|
]
|
|
"""list of items that will be generated for a single API file
|
|
"""
|
|
|
|
|
|
def setup(app):
|
|
# The idf_build_system extension will emit this event once it
|
|
app.connect('idf-info', generate_doxygen)
|
|
|
|
return {'parallel_read_safe': True, 'parallel_write_safe': True, 'version': '0.1'}
|
|
|
|
|
|
def _parse_defines(header_path, sdk_config_path):
|
|
defines = {}
|
|
# Note: we run C preprocessor here without any -I arguments (except "sdkconfig.h"), so assumption is
|
|
# that these headers are all self-contained and don't include any other headers
|
|
# not in the same directory
|
|
print("Reading macros from %s..." % (header_path))
|
|
processed_output = subprocess.check_output(["xtensa-esp32-elf-gcc", "-I", sdk_config_path,
|
|
"-dM", "-E", header_path]).decode()
|
|
for line in processed_output.split("\n"):
|
|
line = line.strip()
|
|
m = re.search("#define ([^ ]+) ?(.*)", line)
|
|
if m and not m.group(1).startswith("_"):
|
|
defines[m.group(1)] = m.group(2)
|
|
|
|
return defines
|
|
|
|
|
|
def generate_doxygen(app, defines):
|
|
build_dir = os.path.dirname(app.doctreedir.rstrip(os.sep))
|
|
|
|
# Call Doxygen to get XML files from the header files
|
|
print("Calling Doxygen to generate latest XML files")
|
|
doxy_env = os.environ
|
|
doxy_env.update({
|
|
"ENV_DOXYGEN_DEFINES": " ".join('{}={}'.format(key, value) for key, value in defines.items()),
|
|
"IDF_PATH": app.config.idf_path,
|
|
"IDF_TARGET": app.config.idf_target,
|
|
})
|
|
doxyfile = os.path.join(app.config.docs_root, "Doxyfile")
|
|
print("Running doxygen with doxyfile {}".format(doxyfile))
|
|
# note: run Doxygen in the build directory, so the xml & xml_in files end up in there
|
|
subprocess.check_call(["doxygen", doxyfile], env=doxy_env, cwd=build_dir)
|
|
|
|
# Doxygen has generated XML files in 'xml' directory.
|
|
# Copy them to 'xml_in', only touching the files which have changed.
|
|
copy_if_modified(os.path.join(build_dir, 'xml/'), os.path.join(build_dir, 'xml_in/'))
|
|
|
|
# Generate 'api_name.inc' files from the Doxygen XML files
|
|
convert_api_xml_to_inc(app, doxyfile)
|
|
|
|
|
|
def convert_api_xml_to_inc(app, doxyfile):
|
|
""" Generate header_file.inc files
|
|
with API reference made of doxygen directives
|
|
for each header file
|
|
specified in the 'INPUT' statement of the Doxyfile.
|
|
"""
|
|
build_dir = app.config.build_dir
|
|
|
|
xml_directory_path = "{}/xml".format(build_dir)
|
|
inc_directory_path = "{}/inc".format(build_dir)
|
|
|
|
if not os.path.isdir(xml_directory_path):
|
|
raise RuntimeError("Directory {} does not exist!".format(xml_directory_path))
|
|
|
|
if not os.path.exists(inc_directory_path):
|
|
os.makedirs(inc_directory_path)
|
|
|
|
header_paths = get_doxyfile_input_paths(app, doxyfile)
|
|
print("Generating 'api_name.inc' files with Doxygen directives")
|
|
for header_file_path in header_paths:
|
|
api_name = get_api_name(header_file_path)
|
|
inc_file_path = inc_directory_path + "/" + api_name + ".inc"
|
|
rst_output = generate_directives(header_file_path, xml_directory_path)
|
|
|
|
previous_rst_output = ''
|
|
if os.path.isfile(inc_file_path):
|
|
with open(inc_file_path, "r", encoding='utf-8') as inc_file_old:
|
|
previous_rst_output = inc_file_old.read()
|
|
|
|
if previous_rst_output != rst_output:
|
|
with open(inc_file_path, "w", encoding='utf-8') as inc_file:
|
|
inc_file.write(rst_output)
|
|
|
|
|
|
def get_doxyfile_input_paths(app, doxyfile_path):
|
|
"""Get contents of Doxyfile's INPUT statement.
|
|
|
|
Returns:
|
|
Contents of Doxyfile's INPUT.
|
|
|
|
"""
|
|
if not os.path.isfile(doxyfile_path):
|
|
raise RuntimeError("Doxyfile '{}' does not exist!".format(doxyfile_path))
|
|
|
|
print("Getting Doxyfile's INPUT")
|
|
|
|
with open(doxyfile_path, "r", encoding='utf-8') as input_file:
|
|
line = input_file.readline()
|
|
# read contents of Doxyfile until 'INPUT' statement
|
|
while line:
|
|
if line.find("INPUT") == 0:
|
|
break
|
|
line = input_file.readline()
|
|
|
|
doxyfile_INPUT = []
|
|
line = input_file.readline()
|
|
# skip input_file contents until end of 'INPUT' statement
|
|
while line:
|
|
if line.isspace():
|
|
# we have reached the end of 'INPUT' statement
|
|
break
|
|
# process only lines that are not comments
|
|
if line.find("#") == -1:
|
|
# extract header file path inside components folder
|
|
m = re.search("components/(.*\.h)", line) # noqa: W605 - regular expression
|
|
header_file_path = m.group(1)
|
|
|
|
# Replace env variable used for multi target header
|
|
header_file_path = header_file_path.replace("$(IDF_TARGET)", app.config.idf_target)
|
|
|
|
doxyfile_INPUT.append(header_file_path)
|
|
|
|
# proceed reading next line
|
|
line = input_file.readline()
|
|
|
|
return doxyfile_INPUT
|
|
|
|
|
|
def get_api_name(header_file_path):
|
|
"""Get name of API from header file path.
|
|
|
|
Args:
|
|
header_file_path: path to the header file.
|
|
|
|
Returns:
|
|
The name of API.
|
|
|
|
"""
|
|
api_name = ""
|
|
regex = r".*/(.*)\.h"
|
|
m = re.search(regex, header_file_path)
|
|
if m:
|
|
api_name = m.group(1)
|
|
|
|
return api_name
|
|
|
|
|
|
def generate_directives(header_file_path, xml_directory_path):
|
|
"""Generate API reference with Doxygen directives for a header file.
|
|
|
|
Args:
|
|
header_file_path: a path to the header file with API.
|
|
|
|
Returns:
|
|
Doxygen directives for the header file.
|
|
|
|
"""
|
|
|
|
api_name = get_api_name(header_file_path)
|
|
|
|
# in XLT file name each "_" in the api name is expanded by Doxygen to "__"
|
|
xlt_api_name = api_name.replace("_", "__")
|
|
xml_file_path = "%s/%s_8h.xml" % (xml_directory_path, xlt_api_name)
|
|
|
|
rst_output = ""
|
|
rst_output = ".. File automatically generated by 'gen-dxd.py'\n"
|
|
rst_output += "\n"
|
|
rst_output += get_rst_header("Header File")
|
|
rst_output += "* :component_file:`" + header_file_path + "`\n"
|
|
rst_output += "\n"
|
|
|
|
try:
|
|
import xml.etree.cElementTree as ET
|
|
except ImportError:
|
|
import xml.etree.ElementTree as ET
|
|
|
|
tree = ET.ElementTree(file=xml_file_path)
|
|
for kind, label in ALL_KINDS:
|
|
rst_output += get_directives(tree, kind)
|
|
|
|
return rst_output
|
|
|
|
|
|
def get_rst_header(header_name):
|
|
"""Get rst formatted code with a header.
|
|
|
|
Args:
|
|
header_name: name of header.
|
|
|
|
Returns:
|
|
Formatted rst code with the header.
|
|
|
|
"""
|
|
|
|
rst_output = ""
|
|
rst_output += header_name + "\n"
|
|
rst_output += "^" * len(header_name) + "\n"
|
|
rst_output += "\n"
|
|
|
|
return rst_output
|
|
|
|
|
|
def select_unions(innerclass_list):
|
|
"""Select unions from innerclass list.
|
|
|
|
Args:
|
|
innerclass_list: raw list with unions and structures
|
|
extracted from Dogygen's xml file.
|
|
|
|
Returns:
|
|
Doxygen directives with unions selected from the list.
|
|
|
|
"""
|
|
|
|
rst_output = ""
|
|
for line in innerclass_list.splitlines():
|
|
# union is denoted by "union" at the beginning of line
|
|
if line.find("union") == 0:
|
|
union_id, union_name = re.split(r"\t+", line)
|
|
rst_output += ".. doxygenunion:: "
|
|
rst_output += union_name
|
|
rst_output += "\n"
|
|
|
|
return rst_output
|
|
|
|
|
|
def select_structs(innerclass_list):
|
|
"""Select structures from innerclass list.
|
|
|
|
Args:
|
|
innerclass_list: raw list with unions and structures
|
|
extracted from Dogygen's xml file.
|
|
|
|
Returns:
|
|
Doxygen directives with structures selected from the list.
|
|
Note: some structures are excluded as described on code below.
|
|
|
|
"""
|
|
|
|
rst_output = ""
|
|
for line in innerclass_list.splitlines():
|
|
# structure is denoted by "struct" at the beginning of line
|
|
if line.find("struct") == 0:
|
|
# skip structures that are part of union
|
|
# they are documented by 'doxygenunion' directive
|
|
if line.find("::") > 0:
|
|
continue
|
|
struct_id, struct_name = re.split(r"\t+", line)
|
|
rst_output += ".. doxygenstruct:: "
|
|
rst_output += struct_name
|
|
rst_output += "\n"
|
|
rst_output += " :members:\n"
|
|
rst_output += "\n"
|
|
|
|
return rst_output
|
|
|
|
|
|
def get_directives(tree, kind):
|
|
"""Get directives for specific 'kind'.
|
|
|
|
Args:
|
|
tree: the ElementTree 'tree' of XML by Doxygen
|
|
kind: name of API "kind" to be generated
|
|
|
|
Returns:
|
|
Doxygen directives for selected 'kind'.
|
|
Note: the header with "kind" name is included.
|
|
|
|
"""
|
|
|
|
rst_output = ""
|
|
if kind in ["union", "struct"]:
|
|
innerclass_list = ""
|
|
for elem in tree.iterfind('compounddef/innerclass'):
|
|
innerclass_list += elem.attrib["refid"] + "\t" + elem.text + "\n"
|
|
if kind == "union":
|
|
rst_output += select_unions(innerclass_list)
|
|
else:
|
|
rst_output += select_structs(innerclass_list)
|
|
else:
|
|
for elem in tree.iterfind(
|
|
'compounddef/sectiondef/memberdef[@kind="%s"]' % kind):
|
|
name = elem.find('name')
|
|
rst_output += ".. doxygen%s:: " % kind
|
|
rst_output += name.text + "\n"
|
|
if rst_output:
|
|
all_kinds_dict = dict(ALL_KINDS)
|
|
rst_output = get_rst_header(all_kinds_dict[kind]) + rst_output + "\n"
|
|
|
|
return rst_output
|