pebble/tools/generate_native_sdk/extract_comments.py
2025-01-27 11:38:16 -08:00

128 lines
4.1 KiB
Python

# Copyright 2024 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import re
import sys
block_comment_re = re.compile(r"""(^//!.*$(\n)?)+""", flags=re.MULTILINE)
addtogroup_start_re = re.compile(r"""//!\s+@addtogroup\s+(?P<name>\S+)(\s+(?P<display_name>.+))?$""")
block_start_re = re.compile(r"""//!\s+@{""")
block_end_re = re.compile(r"""//!\s+@}""")
define_block_comment_re = re.compile(r"""(?P<block_comment>(^//!.*$(\n)?)+)#define\s+(?P<define_name>[A-Za-z0-9_]+)""", flags=re.MULTILINE)
def find_group(group_stack, groups):
for g in groups:
if g.group_stack() == group_stack:
return g
return None
def add_group_comment(group_comment, group_stack, groups):
for g in groups:
if g.group_stack() == group_stack:
g.comment = group_comment.strip()
break
def scan_file_content_for_groups(content, groups):
group_stack = []
in_group_description = False
group_comment = ''
for match in block_comment_re.finditer(content):
comment_block = match.group(0).strip()
for line in comment_block.splitlines():
result = addtogroup_start_re.search(line)
if result is not None:
group_stack.append(result.group('name'))
if result.group('display_name') is not None:
g = find_group(group_stack, groups)
if g is not None:
g.display_name = result.group('display_name')
in_group_description = True
elif block_start_re.search(line) is not None:
in_group_description = False
group_comment.strip()
if len(group_comment) > 0:
g = find_group(group_stack, groups)
if g is not None:
g.comment = group_comment.strip()
group_comment = ''
elif block_end_re.search(line) is not None:
if len(group_stack) == 0:
raise Exception("Unbalanced groups!")
group_stack.pop()
elif in_group_description:
group_comment += line + '\n'
if len(group_stack) != 0:
raise Exception("Unbalanced groups!")
def scan_file_content_for_defines(content, defines):
for match in define_block_comment_re.finditer(content):
for d in defines:
if d.name == match.group('define_name'):
d.comment = match.group('block_comment').strip()
break
def parse_file(filename, groups, defines):
with open(filename) as f:
content = f.read()
scan_file_content_for_groups(content, groups)
scan_file_content_for_defines(content, defines)
def extract_comments(filenames, groups, defines):
for f in filenames:
parse_file(f, groups, defines)
def test_handle_macro():
test_input = """
//! This is a documented MACRO
#define FOO(x) BAR(x);
//! This is a documented define
#define BRAD "awesome"
//! This is a multiline
//! documented define.
#define TEST "nosetests"
"""
class TestDefine(object):
def __init__(self, name):
self.name = name
self.comment = None
defines = [ TestDefine("FOO"), TestDefine("BRAD"), TestDefine("TEST"), TestDefine("Other") ]
scan_file_content_for_defines(test_input, defines)
from nose.tools import eq_
eq_(defines[0].comment, "//! This is a documented MACRO")
eq_(defines[1].comment, "//! This is a documented define")
eq_(defines[2].comment, "//! This is a multiline\n//! documented define.")
assert defines[3].comment is None
if __name__ == '__main__':
parse_file(sys.argv[1], [], [])