mirror of
https://github.com/espressif/esp-idf.git
synced 2025-10-30 20:51:41 +00:00
85 lines
3.1 KiB
Python
85 lines
3.1 KiB
Python
# Sphinx extension to integrate defines into the Sphinx Build
|
|
#
|
|
# Runs after the IDF dummy project has been built
|
|
#
|
|
# Then emits the new 'idf-defines-generated' event which has a dictionary of raw text define values
|
|
# that other extensions can use to generate relevant data.
|
|
|
|
import glob
|
|
import os
|
|
import pprint
|
|
import re
|
|
import subprocess
|
|
|
|
|
|
def generate_defines(app, project_description):
|
|
sdk_config_path = os.path.join(project_description['build_dir'], 'config')
|
|
|
|
# Parse kconfig macros to pass into doxygen
|
|
#
|
|
# TODO: this should use the set of "config which can't be changed" eventually,
|
|
# not the header
|
|
defines = get_defines(os.path.join(project_description['build_dir'],
|
|
'config', 'sdkconfig.h'), sdk_config_path)
|
|
|
|
# Add all SOC _caps.h headers and kconfig macros to the defines
|
|
#
|
|
# kind of a hack, be nicer to add a component info dict in project_description.json
|
|
soc_path = [p for p in project_description['build_component_paths'] if p.endswith('/soc')][0]
|
|
soc_headers = glob.glob(os.path.join(soc_path, project_description['target'],
|
|
'include', 'soc', '*_caps.h'))
|
|
assert len(soc_headers) > 0
|
|
|
|
for soc_header in soc_headers:
|
|
defines.update(get_defines(soc_header, sdk_config_path))
|
|
|
|
# write a list of definitions to make debugging easier
|
|
with open(os.path.join(app.config.build_dir, 'macro-definitions.txt'), 'w') as f:
|
|
pprint.pprint(defines, f)
|
|
print('Saved macro list to %s' % f.name)
|
|
|
|
add_tags(app, defines)
|
|
|
|
app.emit('idf-defines-generated', defines)
|
|
|
|
|
|
def get_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:
|
|
name = m.group(1)
|
|
value = m.group(2)
|
|
if name.startswith('_'):
|
|
continue # toolchain macro
|
|
if (' ' in value) or ('=' in value):
|
|
value = '' # macros that expand to multiple tokens (ie function macros) cause doxygen errors, so just mark as 'defined'
|
|
defines[name] = value
|
|
|
|
return defines
|
|
|
|
|
|
def add_tags(app, defines):
|
|
# try to parse define values as ints and add to tags
|
|
for name, value in defines.items():
|
|
try:
|
|
define_value = int(value.strip('()'))
|
|
if define_value > 0:
|
|
app.tags.add(name)
|
|
except ValueError:
|
|
continue
|
|
|
|
|
|
def setup(app):
|
|
app.connect('idf-info', generate_defines)
|
|
app.add_event('idf-defines-generated')
|
|
|
|
return {'parallel_read_safe': True, 'parallel_write_safe': True, 'version': '0.2'}
|