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https://github.com/lvgl/lvgl.git
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3035d27d4a
* fix(conf): ensure the template and generated file conform the coding style and remove lv_conf_internal.h from the excluding list of code-format.cfg Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com> * fix(conf): regenerate lv_conf_internal.h Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
160 lines
4.4 KiB
Python
Executable File
160 lines
4.4 KiB
Python
Executable File
#!/usr/bin/env python3
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'''
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Generates lv_conf_internal.h from lv_conf_template.h to provide default values
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'''
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import sys
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import re
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if sys.version_info < (3,6,0):
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print("Python >=3.6 is required", file=sys.stderr)
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exit(1)
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fin = open("../lv_conf_template.h", "r")
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fout = open("../src/lv_conf_internal.h", "w")
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fout.write(
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'''/**
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* GENERATED FILE, DO NOT EDIT IT!
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* @file lv_conf_internal.h
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* Make sure all the defines of lv_conf.h have a default value
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**/
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#ifndef LV_CONF_INTERNAL_H
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#define LV_CONF_INTERNAL_H
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/* clang-format off */
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#include <stdint.h>
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/* Handle special Kconfig options */
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#ifndef LV_KCONFIG_IGNORE
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#include "lv_conf_kconfig.h"
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#ifdef CONFIG_LV_CONF_SKIP
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#define LV_CONF_SKIP
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#endif
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#endif
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/*If "lv_conf.h" is available from here try to use it later.*/
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#ifdef __has_include
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#if __has_include("lv_conf.h")
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#ifndef LV_CONF_INCLUDE_SIMPLE
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#define LV_CONF_INCLUDE_SIMPLE
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#endif
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#endif
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#endif
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/*If lv_conf.h is not skipped include it*/
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#ifndef LV_CONF_SKIP
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#ifdef LV_CONF_PATH /*If there is a path defined for lv_conf.h use it*/
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#define __LV_TO_STR_AUX(x) #x
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#define __LV_TO_STR(x) __LV_TO_STR_AUX(x)
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#include __LV_TO_STR(LV_CONF_PATH)
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#undef __LV_TO_STR_AUX
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#undef __LV_TO_STR
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#elif defined(LV_CONF_INCLUDE_SIMPLE) /*Or simply include lv_conf.h is enabled*/
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#include "lv_conf.h"
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#else
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#include "../../lv_conf.h" /*Else assume lv_conf.h is next to the lvgl folder*/
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#endif
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#endif
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#ifdef CONFIG_LV_COLOR_DEPTH
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#define _LV_KCONFIG_PRESENT
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#endif
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/*----------------------------------
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* Start parsing lv_conf_template.h
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-----------------------------------*/
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'''
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)
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started = 0
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for line in fin.read().splitlines():
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if not started:
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if '#define LV_CONF_H' in line:
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started = 1
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continue
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else:
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continue
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if '/*--END OF LV_CONF_H--*/' in line: break
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#Is there a #define in this line?
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r = re.search(r'^([\s]*)#[\s]*define[\s]+([^\s]+).*$', line) # \s means any white space character
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if r:
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indent = r[1]
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name = r[2]
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name = re.sub('\(.*?\)', '', name, 1) #remove parentheses from macros. E.g. MY_FUNC(5) -> MY_FUNC
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name_and_value = re.sub('[\s]*#[\s]*define', '', line, 1)
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#If the value should be 1 (enabled) by default use a more complex structure for Kconfig checks because
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#if a not defined CONFIG_... value should be interpreted as 0 and not the LVGL default
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is_one = re.search(r'[\s]*#[\s]*define[\s]*[A-Z0-9_]+[\s]+1[\s]*$', line)
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if(is_one):
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#1. Use the value if already set from lv_conf.h or anything else (i.e. do nothing)
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#2. In Kconfig environment use the CONFIG_... value if set, else use 0
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#3. In not Kconfig environment use the LVGL's default value
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fout.write(
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f'{indent}#ifndef {name}\n'
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f'{indent} #ifdef _LV_KCONFIG_PRESENT\n'
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f'{indent} #ifdef CONFIG_{name.upper()}\n'
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f'{indent} #define {name} CONFIG_{name.upper()}\n'
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f'{indent} #else\n'
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f'{indent} #define {name} 0\n'
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f'{indent} #endif\n'
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f'{indent} #else\n'
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f'{indent} #define{name_and_value}\n'
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f'{indent} #endif\n'
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f'{indent}#endif\n'
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)
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else:
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#1. Use the value if already set from lv_conf.h or anything else (i.e. do nothing)
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#2. Use the Kconfig value if set
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#3. Use the LVGL's default value
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fout.write(
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f'{indent}#ifndef {name}\n'
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f'{indent} #ifdef CONFIG_{name.upper()}\n'
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f'{indent} #define {name} CONFIG_{name.upper()}\n'
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f'{indent} #else\n'
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f'{indent} #define{name_and_value}\n'
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f'{indent} #endif\n'
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f'{indent}#endif\n'
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)
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elif re.search('^ *typedef .*;.*$', line):
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continue #ignore typedefs to avoide redeclaration
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else:
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fout.write(f'{line}\n')
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fout.write(
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'''
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/*----------------------------------
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* End of parsing lv_conf_template.h
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-----------------------------------*/
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LV_EXPORT_CONST_INT(LV_DPI_DEF);
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#undef _LV_KCONFIG_PRESENT
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/*If running without lv_conf.h add typdesf with default value*/
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#ifdef LV_CONF_SKIP
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#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS) /*Disable warnings for Visual Studio*/
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#define _CRT_SECURE_NO_WARNINGS
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#endif
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#endif /*defined(LV_CONF_SKIP)*/
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#endif /*LV_CONF_INTERNAL_H*/
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'''
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)
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fin.close()
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fout.close()
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