301 lines
9.9 KiB
Python
301 lines
9.9 KiB
Python
"""Functions for working with config.h files.
|
|
"""
|
|
from pygments.lexers.c_cpp import CLexer
|
|
from pygments.token import Token
|
|
from pygments import lex
|
|
from itertools import islice
|
|
from pathlib import Path
|
|
import re
|
|
|
|
from milc import cli
|
|
|
|
from qmk.comment_remover import comment_remover
|
|
|
|
default_key_entry = {'x': -1, 'y': 0, 'w': 1}
|
|
single_comment_regex = re.compile(r'\s+/[/*].*$')
|
|
multi_comment_regex = re.compile(r'/\*(.|\n)*?\*/', re.MULTILINE)
|
|
layout_macro_define_regex = re.compile(r'^#\s*define')
|
|
|
|
|
|
def _get_chunks(it, size):
|
|
"""Break down a collection into smaller parts
|
|
"""
|
|
it = iter(it)
|
|
return iter(lambda: tuple(islice(it, size)), ())
|
|
|
|
|
|
def _preprocess_c_file(file):
|
|
"""Load file and strip comments
|
|
"""
|
|
file_contents = file.read_text(encoding='utf-8')
|
|
file_contents = comment_remover(file_contents)
|
|
return file_contents.replace('\\\n', '')
|
|
|
|
|
|
def strip_line_comment(string):
|
|
"""Removes comments from a single line string.
|
|
"""
|
|
return single_comment_regex.sub('', string)
|
|
|
|
|
|
def strip_multiline_comment(string):
|
|
"""Removes comments from a single line string.
|
|
"""
|
|
return multi_comment_regex.sub('', string)
|
|
|
|
|
|
def c_source_files(dir_names):
|
|
"""Returns a list of all *.c, *.h, and *.cpp files for a given list of directories
|
|
|
|
Args:
|
|
|
|
dir_names
|
|
List of directories relative to `qmk_firmware`.
|
|
"""
|
|
files = []
|
|
for dir in dir_names:
|
|
files.extend(file for file in Path(dir).glob('**/*') if file.suffix in ['.c', '.h', '.cpp'])
|
|
return files
|
|
|
|
|
|
def find_layouts(file):
|
|
"""Returns list of parsed LAYOUT preprocessor macros found in the supplied include file.
|
|
"""
|
|
file = Path(file)
|
|
aliases = {} # Populated with all `#define`s that aren't functions
|
|
parsed_layouts = {}
|
|
|
|
# Search the file for LAYOUT macros and aliases
|
|
file_contents = _preprocess_c_file(file)
|
|
|
|
for line in file_contents.split('\n'):
|
|
if layout_macro_define_regex.match(line.lstrip()) and '(' in line and 'LAYOUT' in line:
|
|
# We've found a LAYOUT macro
|
|
macro_name, layout, matrix = _parse_layout_macro(line.strip())
|
|
|
|
# Reject bad macro names
|
|
if macro_name.startswith('LAYOUT_kc') or not macro_name.startswith('LAYOUT'):
|
|
continue
|
|
|
|
# Parse the matrix data
|
|
matrix_locations = _parse_matrix_locations(matrix, file, macro_name)
|
|
|
|
# Parse the layout entries into a basic structure
|
|
default_key_entry['x'] = -1 # Set to -1 so _default_key(key) will increment it to 0
|
|
layout = layout.strip()
|
|
parsed_layout = [_default_key(key) for key in layout.split(',')]
|
|
|
|
for i, key in enumerate(parsed_layout):
|
|
if 'label' not in key:
|
|
cli.log.error('Invalid LAYOUT macro in %s: Empty parameter name in macro %s at pos %s.', file, macro_name, i)
|
|
elif key['label'] in matrix_locations:
|
|
key['matrix'] = matrix_locations[key['label']]
|
|
|
|
parsed_layouts[macro_name] = {
|
|
'layout': parsed_layout,
|
|
'filename': str(file),
|
|
}
|
|
|
|
elif '#define' in line:
|
|
# Attempt to extract a new layout alias
|
|
try:
|
|
_, pp_macro_name, pp_macro_text = line.strip().split(' ', 2)
|
|
aliases[pp_macro_name] = pp_macro_text
|
|
except ValueError:
|
|
continue
|
|
|
|
return parsed_layouts, aliases
|
|
|
|
|
|
def parse_config_h_file(config_h_file, config_h=None):
|
|
"""Extract defines from a config.h file.
|
|
"""
|
|
if not config_h:
|
|
config_h = {}
|
|
|
|
config_h_file = Path(config_h_file)
|
|
|
|
if config_h_file.exists():
|
|
config_h_text = config_h_file.read_text(encoding='utf-8')
|
|
config_h_text = config_h_text.replace('\\\n', '')
|
|
config_h_text = strip_multiline_comment(config_h_text)
|
|
|
|
for linenum, line in enumerate(config_h_text.split('\n')):
|
|
line = strip_line_comment(line).strip()
|
|
|
|
if not line:
|
|
continue
|
|
|
|
line = line.split()
|
|
|
|
if line[0] == '#define':
|
|
if len(line) == 1:
|
|
cli.log.error('%s: Incomplete #define! On or around line %s' % (config_h_file, linenum))
|
|
elif len(line) == 2:
|
|
config_h[line[1]] = True
|
|
else:
|
|
config_h[line[1]] = ' '.join(line[2:])
|
|
|
|
elif line[0] == '#undef':
|
|
if len(line) == 2:
|
|
if line[1] in config_h:
|
|
if config_h[line[1]] is True:
|
|
del config_h[line[1]]
|
|
else:
|
|
config_h[line[1]] = False
|
|
else:
|
|
cli.log.error('%s: Incomplete #undef! On or around line %s' % (config_h_file, linenum))
|
|
|
|
return config_h
|
|
|
|
|
|
def _default_key(label=None):
|
|
"""Increment x and return a copy of the default_key_entry.
|
|
"""
|
|
default_key_entry['x'] += 1
|
|
new_key = default_key_entry.copy()
|
|
|
|
if label:
|
|
new_key['label'] = label
|
|
|
|
return new_key
|
|
|
|
|
|
def _parse_layout_macro(layout_macro):
|
|
"""Split the LAYOUT macro into its constituent parts
|
|
"""
|
|
layout_macro = layout_macro.replace('\\', '').replace(' ', '').replace('\t', '').replace('#define', '')
|
|
macro_name, layout = layout_macro.split('(', 1)
|
|
layout, matrix = layout.split(')', 1)
|
|
|
|
return macro_name, layout, matrix
|
|
|
|
|
|
def _parse_matrix_locations(matrix, file, macro_name):
|
|
"""Parse raw matrix data into a dictionary keyed by the LAYOUT identifier.
|
|
"""
|
|
matrix_locations = {}
|
|
|
|
for row_num, row in enumerate(matrix.split('},{')):
|
|
if row.startswith('LAYOUT'):
|
|
cli.log.error('%s: %s: Nested layout macro detected. Matrix data not available!', file, macro_name)
|
|
break
|
|
|
|
row = row.replace('{', '').replace('}', '')
|
|
for col_num, identifier in enumerate(row.split(',')):
|
|
if identifier != 'KC_NO':
|
|
matrix_locations[identifier] = [row_num, col_num]
|
|
|
|
return matrix_locations
|
|
|
|
|
|
def _coerce_led_token(_type, value):
|
|
""" Convert token to valid info.json content
|
|
"""
|
|
value_map = {
|
|
'NO_LED': None,
|
|
'LED_FLAG_ALL': 0xFF,
|
|
'LED_FLAG_NONE': 0x00,
|
|
'LED_FLAG_MODIFIER': 0x01,
|
|
'LED_FLAG_UNDERGLOW': 0x02,
|
|
'LED_FLAG_KEYLIGHT': 0x04,
|
|
'LED_FLAG_INDICATOR': 0x08,
|
|
}
|
|
if _type is Token.Literal.Number.Integer:
|
|
return int(value)
|
|
if _type is Token.Literal.Number.Float:
|
|
return float(value)
|
|
if _type is Token.Literal.Number.Hex:
|
|
return int(value, 0)
|
|
if _type is Token.Name and value in value_map.keys():
|
|
return value_map[value]
|
|
|
|
|
|
def _validate_led_config(matrix, matrix_rows, matrix_indexes, position, position_raw, flags):
|
|
# TODO: Improve crude parsing/validation
|
|
if len(matrix) != matrix_rows and len(matrix) != (matrix_rows / 2):
|
|
raise ValueError("Unable to parse g_led_config matrix data")
|
|
if len(position) != len(flags):
|
|
raise ValueError("Unable to parse g_led_config position data")
|
|
if len(matrix_indexes) and (max(matrix_indexes) >= len(flags)):
|
|
raise ValueError("OOB within g_led_config matrix data")
|
|
if not all(isinstance(n, int) for n in matrix_indexes):
|
|
raise ValueError("matrix indexes are not all ints")
|
|
if (len(position_raw) % 2) != 0:
|
|
raise ValueError("Malformed g_led_config position data")
|
|
|
|
|
|
def _parse_led_config(file, matrix_cols, matrix_rows):
|
|
"""Return any 'raw' led/rgb matrix config
|
|
"""
|
|
matrix_raw = []
|
|
position_raw = []
|
|
flags = []
|
|
|
|
found_led_config = False
|
|
bracket_count = 0
|
|
section = 0
|
|
for _type, value in lex(_preprocess_c_file(file), CLexer()):
|
|
# Assume g_led_config..stuff..;
|
|
if value == 'g_led_config':
|
|
found_led_config = True
|
|
elif value == ';':
|
|
found_led_config = False
|
|
elif found_led_config:
|
|
# Assume bracket count hints to section of config we are within
|
|
if value == '{':
|
|
bracket_count += 1
|
|
if bracket_count == 2:
|
|
section += 1
|
|
elif value == '}':
|
|
bracket_count -= 1
|
|
else:
|
|
# Assume any non whitespace value here is important enough to stash
|
|
if _type in [Token.Literal.Number.Integer, Token.Literal.Number.Float, Token.Literal.Number.Hex, Token.Name]:
|
|
if section == 1 and bracket_count == 3:
|
|
matrix_raw.append(_coerce_led_token(_type, value))
|
|
if section == 2 and bracket_count == 3:
|
|
position_raw.append(_coerce_led_token(_type, value))
|
|
if section == 3 and bracket_count == 2:
|
|
flags.append(_coerce_led_token(_type, value))
|
|
|
|
# Slightly better intrim format
|
|
matrix = list(_get_chunks(matrix_raw, matrix_cols))
|
|
position = list(_get_chunks(position_raw, 2))
|
|
matrix_indexes = list(filter(lambda x: x is not None, matrix_raw))
|
|
|
|
# If we have not found anything - bail with no error
|
|
if not section:
|
|
return None
|
|
|
|
# Throw any validation errors
|
|
_validate_led_config(matrix, matrix_rows, matrix_indexes, position, position_raw, flags)
|
|
|
|
return (matrix, position, flags)
|
|
|
|
|
|
def find_led_config(file, matrix_cols, matrix_rows):
|
|
"""Search file for led/rgb matrix config
|
|
"""
|
|
found = _parse_led_config(file, matrix_cols, matrix_rows)
|
|
if not found:
|
|
return None
|
|
|
|
# Expand collected content
|
|
(matrix, position, flags) = found
|
|
|
|
# Align to output format
|
|
led_config = []
|
|
for index, item in enumerate(position, start=0):
|
|
led_config.append({
|
|
'x': item[0],
|
|
'y': item[1],
|
|
'flags': flags[index],
|
|
})
|
|
for r in range(len(matrix)):
|
|
for c in range(len(matrix[r])):
|
|
index = matrix[r][c]
|
|
if index is not None:
|
|
led_config[index]['matrix'] = [r, c]
|
|
|
|
return led_config
|