mirror of https://github.com/arendst/Tasmota.git
108 lines
3.4 KiB
Python
108 lines
3.4 KiB
Python
import re
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import sys
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import glob
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# https://stackoverflow.com/a/241506
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def comment_remover(text):
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def replacer(match):
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s = match.group(0)
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if s.startswith('/'):
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return " " # note: a space and not an empty string
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else:
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return s
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pattern = re.compile(
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r'//.*?$|/\*.*?\*/|\'(?:\\.|[^\\\'])*\'|"(?:\\.|[^\\"])*"',
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re.DOTALL | re.MULTILINE
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)
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return re.sub(pattern, replacer, text)
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lv_src_prefix = "../../lib/libesp32_lvgl/LVGL/src/"
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# find all headers
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headers_names = glob.glob(lv_src_prefix + "**/*.h", recursive=True)
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def clean_source(raw):
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raw = comment_remover(raw) # remove comments
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# convert cr/lf or cr to lf
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raw = re.sub('\r\n ', '\n', raw)
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raw = re.sub('\r', '\n', raw)
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# group multilines into a single line, i.e. if line ends with '\', put in a single line
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raw = re.sub('\\\\\n', ' ', raw)
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# remove preprocessor directives
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raw = re.sub('\n[ \t]*#[^\n]*(?=\n)', '', raw)
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raw = re.sub('^[ \t]*#[^\n]*\n', '', raw)
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raw = re.sub('\n[ \t]*#[^\n]*$', '', raw)
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# remove extern "C" {}
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raw = re.sub('extern\s+"C"\s+{(.*)}', '\\1', raw, flags=re.DOTALL)
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# remove empty lines
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raw = re.sub('\n[ \t]*(?=\n)', '', raw)
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raw = re.sub('^[ \t]*\n', '', raw) # remove first empty line
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raw = re.sub('\n[ \t]*$', '', raw) # remove last empty line
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return raw
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# ################################################################################
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# Parse 'enum'
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# ################################################################################
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output_filename = "lv_enum.h"
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sys.stdout = open(output_filename, 'w')
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print("""
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// LV Colors - we store in 24 bits format and will convert at runtime
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// This is specific treatment because we keep colors in 24 bits format
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COLOR_WHITE=0xFFFFFF
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COLOR_SILVER=0xC0C0C0
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COLOR_GRAY=0x808080
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COLOR_BLACK=0x000000
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COLOR_RED=0xFF0000
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COLOR_MAROON=0x800000
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COLOR_YELLOW=0xFFFF00
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COLOR_OLIVE=0x808000
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COLOR_LIME=0x00FF00
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COLOR_GREEN=0x008000
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COLOR_CYAN=0x00FFFF
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COLOR_AQUA=0x00FFFF
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COLOR_TEAL=0x008080
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COLOR_BLUE=0x0000FF
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COLOR_NAVY=0x000080
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COLOR_MAGENTA=0xFF00FF
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COLOR_PURPLE=0x800080
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// following are #define, not enum
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LV_RADIUS_CIRCLE
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LV_TEXTAREA_CURSOR_LAST
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LV_STYLE_PROP_ALL
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""")
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# unit test
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#headers_names = [ '../../lib/libesp32_lvgl/LVGL/src/lv_widgets/lv_btn.h' ]
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#headers_names = [ '../../lib/libesp32_lvgl/LVGL/src/lv_core/lv_style.h' ]
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#
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for header_name in headers_names:
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with open(header_name) as f:
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raw = clean_source(f.read())
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# extract enums
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enums = re.findall('enum\s+{(.*?)}', raw, flags=re.DOTALL)
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for enum in enums: # iterate on all matches
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# remove enums defined via a macro
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enum = re.sub('\S+\((.*?),.*?\),', '\\1,', enum) # turn 'LV_STYLE_PROP_INIT(LV_STYLE_SIZE, 0x0, LV_STYLE_ID_VALUE + 3, LV_STYLE_ATTR_NONE),' into 'LV_STYLE_SIZE'
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#
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enum_elt = enum.split(",")
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for enum_item in enum_elt:
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# remove any space
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enum_item = re.sub('[ \t\n]', '', enum_item)
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# remove anything after '='
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enum_item = re.sub('=.*$', '', enum_item)
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# item is ready
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exclude = False
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for exclude_prefix in ["_", "LV_BIDI_DIR_", "LV_FONT_", "LV_IMG_CF_RESERVED_", "LV_IMG_CF_USER_",
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"LV_SIGNAL_", "LV_TEMPL_", "LV_TASK_PRIO_", "LV_THEME_", "LV_KEYBOARD_MODE_TEXT_ARABIC"]:
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if enum_item.startswith(exclude_prefix): exclude = True
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if exclude: continue
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print(enum_item)
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sys.stdout.close()
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