def __preprocess(self, match): raw_incl = match if isinstance(match, str) else match.group(1) incl = raw_incl.strip().lower() if incl in self.__processed_includes: return '' self.__processed_includes.append(incl) text = utils.read_all_text_from_file( path.join(utils.get_script_folder(), '..', 'include', 'toml++', incl)).strip() + '\n' text = text.replace('\r\n', '\n') # convert windows newlines text = self.__re_strip_blocks.sub('', text, 0) # strip {{ }} blocks self.__current_level += 1 text = self.__re_includes.sub(lambda m: self.__preprocess(m), text, 0) self.__current_level -= 1 if (self.__current_level == 1): header_text = '↓ ' + raw_incl lpad = 20 + ((25 * (self.__header_indent % 4)) - int( (len(header_text) + 4) / 2)) self.__header_indent += 1 text = '#if 1 {}\n{}\n\n#endif {}\n'.format( utils.make_divider(header_text, lpad, line_length=113), text, utils.make_divider('↑ ' + raw_incl, lpad, line_length=113)) return '\n\n' + text + '\n\n' # will get merged later
def __preprocess(self, incl): if not isinstance(incl, (Path, str)): # a regex match object incl = incl.group(1).strip() if isinstance(incl, str): incl = Path(incl.strip().replace('\\',r'/')) if not incl.is_absolute(): incl = Path(self.__directory_stack[-1], incl).resolve() if incl in self.__processed_includes: return '' if self.__current_level == 0 and self.__entry_root == '': self.__entry_root = str(incl.parent).replace('\\',r'/') self.__processed_includes.append(incl) self.__directory_stack.append(incl.parent) text = utils.read_all_text_from_file(incl, logger=True).strip() + '\n' text = text.replace('\r\n', '\n') # convert windows newlines self.__current_level += 1 text = self.__re_includes.sub(lambda m : self.__preprocess(m), text, 0) self.__current_level -= 1 if self.__current_level == 1: header = str(incl).replace('\\',r'/') if header.startswith(self.__entry_root): header = header[len(self.__entry_root):].strip('/') header = utils.make_divider(header, 10, pattern = r'*') text = f'{header}\n\n{text}' self.__directory_stack.pop() return '\n\n' + text + '\n\n'
def preprocess(self, match): raw_incl = match if isinstance(match, str) else match.group(1) incl = raw_incl.strip().lower() if incl in self.processed_includes: return '' self.processed_includes.append(incl) text = utils.read_all_text_from_file(path.join(utils.get_script_folder(), '..', 'include', 'toml++', incl)).strip() + '\n' text = re.sub('\r\n', '\n', text, 0, re.I | re.M) # convert windows newlines text = re.sub(r'//[#!]\s*[{][{].*?//[#!]\s*[}][}]*?\n', '', text, 0, re.I | re.S) # strip {{ }} blocks self.current_level += 1 text = re.sub(r'^\s*#\s*include\s+"(.+?)"', lambda m : self.preprocess(m), text, 0, re.I | re.M) self.current_level -= 1 if (self.current_level == 1): header_text = '↓ ' + raw_incl lpad = 28 + ((25 * (self.header_indent % 4)) - int((len(header_text) + 4) / 2)) self.header_indent += 1 text = '{}\n#if 1\n\n{}\n\n#endif\n{}\n'.format( utils.make_divider(header_text, lpad), text, utils.make_divider('↑ ' + raw_incl, lpad) ) return '\n\n' + text + '\n\n' # will get merged later
def main(): # establish local directories root_dir = utils.entry_script_dir().parent include_dir = Path(root_dir, 'include', 'toml++') # preprocess header(s) toml_h = str(Preprocessor(Path(include_dir, 'toml.h'))) # strip various things: if 1: for i in range(3): # trailing whitespace toml_h = re.sub('([^ \t])[ \t]+\n', r'\1\n', toml_h) # explicit 'strip this' blocks toml_h = re.sub(r'(?:\n[ \t]*)?//[#!][ \t]*[{][{].*?//[#!][ \t]*[}][}].*?\n', '\n', toml_h, flags=re.S) # spdx license identifiers toml_h = re.sub(r'^\s*//\s*SPDX-License-Identifier:.+?$', '', toml_h, 0, re.I | re.M) # double blank lines toml_h = re.sub('\n(?:[ \t]*\n[ \t]*)+\n', '\n\n', toml_h) # magic comments blank_line = r'(?:[ \t]*\n)' comment_line = r'(?:[ \t]*//(?:[/#!<]| ?(?:---|===|\^\^\^|vvv))[^\n]*\n)' toml_h = re.sub(rf'\n{comment_line}{blank_line}+{comment_line}', '\n', toml_h) toml_h = re.sub(rf'([{{,])\s*\n(?:{comment_line}|{blank_line})+', r'\1\n', toml_h) toml_h = re.sub(rf'{comment_line}+', '\n', toml_h) # weird spacing edge case between } and pp directives toml_h = re.sub('\n[}]\n#', r'\n}\n\n#', toml_h, re.S) # enable warnings -> disable warnings toml_h = re.sub('(TOML_ENABLE_WARNINGS;)\n[ \t\n]*\n(TOML_DISABLE_WARNINGS;)', r'', toml_h) # blank lines between consecutive TOML_XXXXX_WARNINGS statements toml_h = re.sub('(TOML_[A-Z_]+?_WARNINGS;)\n[ \t\n]*\n(TOML_[A-Z_]+?_WARNINGS;)', r'\1\n\2', toml_h) # blank lines between consecutive #includes toml_h = re.sub('[#]\s*include\s*<(.+?)>\n[ \t\n]*\n[#]\s*include\s*<(.+?)>', r'#include <\1>\n#include <\2>', toml_h) # blank lines following opening brackets or a comma toml_h = re.sub(r'([^@][({,])\n\n', r'\1\n', toml_h) # blank lines preceeding closing brackets toml_h = re.sub(r'\n\n([ \t]*[})])', r'\n\1', toml_h) # ensure only one trailing newline toml_h = toml_h.strip() + '\n' # change TOML_LIB_SINGLE_HEADER to 1 toml_h = re.sub( '#\s*define\s+TOML_LIB_SINGLE_HEADER\s+[0-9]+', '#define TOML_LIB_SINGLE_HEADER 1', toml_h, 0, re.I ) # read version number version_h = utils.read_all_text_from_file(Path(include_dir, 'impl/version.h'), logger=True) match = re.search( r'#\s*define\s+TOML_LIB_MAJOR\s+([0-9]+)[^0-9].*' + r'#\s*define\s+TOML_LIB_MINOR\s+([0-9]+)[^0-9].*' + r'#\s*define\s+TOML_LIB_PATCH\s+([0-9]+)[^0-9]', version_h, re.I | re.S) if match is None: raise Exception("could not find TOML_LIB_MAJOR, TOML_LIB_MINOR or TOML_LIB_PATCH impl/version.h") version = rf'{int(match[1])}.{int(match[2])}.{int(match[3])}' print(rf'Library version: {version}') # build the preamble (license etc) preamble = [] preamble.append(rf''' // toml++ v{version} // https://github.com/marzer/tomlplusplus // SPDX-License-Identifier: MIT''') preamble.append(r''' // - THIS FILE WAS ASSEMBLED FROM MULTIPLE HEADER FILES BY A SCRIPT - PLEASE DON'T EDIT IT DIRECTLY - // // If you wish to submit a contribution to toml++, hooray and thanks! Before you crack on, please be aware that this // file was assembled from a number of smaller files by a python script, and code contributions should not be made // against it directly. You should instead make your changes in the relevant source file(s). The file names of the files // that contributed to this header can be found at the beginnings and ends of the corresponding sections of this file.''') preamble.append(r''' // TOML Language Specifications: // latest: https://github.com/toml-lang/toml/blob/master/README.md // v1.0.0: https://toml.io/en/v1.0.0 // v0.5.0: https://toml.io/en/v0.5.0 // changelog: https://github.com/toml-lang/toml/blob/master/CHANGELOG.md''') preamble.append(utils.read_all_text_from_file(Path(utils.entry_script_dir(), '..', 'LICENSE').resolve(), logger=True)) # write the output with StringIO(newline='\n') as output: # build in a string buffer write = lambda txt, end='\n': print(txt, file=output, end=end) if (len(preamble) > 0): write(utils.make_divider()) for pre in preamble: write('//') for line in pre.strip().splitlines(): if len(line) == 0: write('//') continue if not line.startswith('//'): write('// ', end = '') write(line) write('//') write(utils.make_divider()) write(toml_h) write('') output_str = output.getvalue().strip() # analyze the output to find any potentially missing #undefs if 1: re_define = re.compile(r'^\s*#\s*define\s+([a-zA-Z0-9_]+)(?:$|\s|\()') re_undef = re.compile(r'^\s*#\s*undef\s+([a-zA-Z0-9_]+)(?:$|\s|//)') defines = dict() for output_line in output_str.splitlines(): defined = True m = re_define.match(output_line) if not m: defined = False m = re_undef.match(output_line) if m: defines[m.group(1)] = defined ignore_list = ( # macros that are meant to stay public (user configs etc) r'INCLUDE_TOMLPLUSPLUS_H', r'POXY_IMPLEMENTATION_DETAIL', r'TOML_ALL_INLINE', r'TOML_API', r'TOML_CONCAT', r'TOML_CONCAT_1', r'TOML_CONFIG_HEADER', r'TOML_ENABLE_FORMATTERS', r'TOML_ENABLE_PARSER', r'TOML_ENABLE_SIMD', r'TOML_ENABLE_UNRELEASED_FEATURES', r'TOML_ENABLE_WINDOWS_COMPAT', r'TOML_EXCEPTIONS', r'TOML_EXTERN_TEMPLATES', r'TOML_HEADER_ONLY', r'TOML_LANG_MAJOR', r'TOML_LANG_MINOR', r'TOML_LANG_PATCH', r'TOML_LIB_MAJOR', r'TOML_LIB_MINOR', r'TOML_LIB_PATCH', r'TOML_LIB_SINGLE_HEADER', r'TOML_MAX_NESTED_VALUES', r'TOML_NAMESPACE_END', r'TOML_NAMESPACE_START', r'TOML_OPTIONAL_TYPE', r'TOML_SMALL_FLOAT_TYPE', r'TOML_SMALL_INT_TYPE', r'TOML_UNDEF_MACROS', r'TOMLPLUSPLUS_H', ) set_defines = [] for define, currently_set in defines.items(): if currently_set and define not in ignore_list: set_defines.append(define) if len(set_defines) > 0: set_defines.sort() print(f"Potentially missing #undefs:") for define in set_defines: print(f"\t#undef {define}") # write the output file output_file_path = Path(utils.entry_script_dir(), '..', 'toml.hpp').resolve() print("Writing to {}".format(output_file_path)) with open(output_file_path,'w', encoding='utf-8', newline='\n') as output_file: print(output_str, file=output_file)
def main(): # preprocess header(s) source_text = str(Preprocessor('toml.h')) # strip various things: # 'pragma once' source_text = re.sub(r'^\s*#\s*pragma\s+once\s*$', '', source_text, 0, re.I | re.M) # clang-format directives source_text = re.sub(r'^\s*//\s*clang-format\s+.+?$', '', source_text, 0, re.I | re.M) # spdx license identifiers source_text = re.sub(r'^\s*//\s*SPDX-License-Identifier:.+?$', '', source_text, 0, re.I | re.M) # 'magic' comment blocks (incl. doxygen) source_text = re.sub('(?:(?:\n|^)[ \t]*//[/#!<]+[^\n]*)+\n', '\n', source_text, 0, re.I | re.M) # 'magic' comments (incl. doxygen) source_text = re.sub('(?://[/#!<].*?)\n', '\n', source_text, 0, re.I | re.M) # remove trailing whitespace source_text = re.sub('([^ \t])[ \t]+\n', '\\1\n', source_text, 0, re.I | re.M) # bookended namespace blocks source_text = re.sub( '}\n+TOML_NAMESPACE_END\n+TOML_NAMESPACE_START\n+{\n+', '\n', source_text, 0, re.I | re.M) source_text = re.sub( '}\n+TOML_IMPL_NAMESPACE_END\n+TOML_IMPL_NAMESPACE_START\n+{\n+', '\n', source_text, 0, re.I | re.M) # blank lines before some preprocessor directives #source_text = re.sub('\n+\n(\s*)#\s*(elif|else|endif)(.*?)\n', '\n\\1#\\2\\3\n', source_text, 0, re.I | re.M) # blank lines after some preprocessor directives #source_text = re.sub('#\s*(if|ifn?def|elif|else)(.*?)\n\n+', '#\\1\\2\n', source_text, 0, re.I | re.M) # blank lines after opening braces source_text = re.sub('[{]\s*\n\s*\n+', '{\n', source_text, 0, re.I | re.M) # double newlines source_text = re.sub('\n(?:[ \t]*\n[ \t]*)+\n', '\n\n', source_text, 0, re.I | re.M) # source_text = re.sub( # blank lines between various preprocessor directives # '[#](endif(?:\s*//[^\n]*)?)\n{2,}[#](ifn?(?:def)?|define)', # '#\\1\n#\\2', # source_text, 0, re.I | re.M # ) return_type_pattern \ = r'(?:' \ + r'(?:\[\[nodiscard\]\]\s*)?' \ + r'(?:(?:friend|explicit|virtual|inline|const|operator)\s+)*' \ + r'(?:' \ + r'bool|int64_t|(?:const_)?iterator|double|void' \ + r'|node(?:_(?:view|of)<.+?>|)?|table|array|value(?:<.+?>)?' \ + r'|T|U|parse_(?:error|result)' \ + r')' \ + r'(?:\s*[&*]+)?' \ + r'(?:\s*[(]\s*[)])?' \ + r'\s+' \ + r')' blank_lines_between_returns_pattern = '({}[^\n]+)\n\n([ \t]*{})'.format( return_type_pattern, return_type_pattern) for i in range( 0, 5): # remove blank lines between simple one-liner definitions source_text = re.sub('(using .+?;)\n\n([ \t]*using)', '\\1\n\\2', source_text, 0, re.I | re.M) source_text = re.sub( '([a-zA-Z_][a-zA-Z0-9_]*[ \t]+[a-zA-Z_][a-zA-Z0-9_]*[ \t]*;)' \ + '\n\n([ \t]*[a-zA-Z_][a-zA-Z0-9_]*[ \t]+[a-zA-Z_][a-zA-Z0-9_]*[ \t]*;)', '\\1\n\\2', source_text, 0, re.I | re.M) source_text = re.sub(blank_lines_between_returns_pattern, '\\1\n\\2', source_text, 0, re.I | re.M) source_text = source_text.strip() + '\n' # change TOML_LIB_SINGLE_HEADER to 1 source_text = re.sub('#\s*define\s+TOML_LIB_SINGLE_HEADER\s+[0-9]+', '#define TOML_LIB_SINGLE_HEADER 1', source_text, 0, re.I) # extract library version library_version = {'major': 0, 'minor': 0, 'patch': 0} match = re.search(r'^\s*#\s*define\s+TOML_LIB_MAJOR\s+([0-9]+)\s*$', source_text, re.I | re.M) if match is not None: library_version['major'] = match.group(1) match = re.search(r'^\s*#\s*define\s+TOML_LIB_MINOR\s+([0-9]+)\s*$', source_text, re.I | re.M) if match is not None: library_version['minor'] = match.group(1) match = re.search( r'^\s*#\s*define\s+TOML_LIB_(?:REVISION|PATCH)\s+([0-9]+)\s*$', source_text, re.I | re.M) if match is not None: library_version['patch'] = match.group(1) # build the preamble (license etc) preamble = [] preamble.append(''' // toml++ v{major}.{minor}.{patch} // https://github.com/marzer/tomlplusplus // SPDX-License-Identifier: MIT'''.format(**library_version)) preamble.append(''' // - THIS FILE WAS ASSEMBLED FROM MULTIPLE HEADER FILES BY A SCRIPT - PLEASE DON'T EDIT IT DIRECTLY - // // If you wish to submit a contribution to toml++, hooray and thanks! Before you crack on, please be aware that this // file was assembled from a number of smaller files by a python script, and code contributions should not be made // against it directly. You should instead make your changes in the relevant source file(s). The file names of the files // that contributed to this header can be found at the beginnings and ends of the corresponding sections of this file.''' ) preamble.append(''' // TOML Language Specifications: // latest: https://github.com/toml-lang/toml/blob/master/README.md // v1.0.0-rc.2: https://toml.io/en/v1.0.0-rc.2 // v1.0.0-rc.1: https://toml.io/en/v1.0.0-rc.1 // v0.5.0: https://toml.io/en/v0.5.0 // changelog: https://github.com/toml-lang/toml/blob/master/CHANGELOG.md''') preamble.append( utils.read_all_text_from_file( path.join(utils.get_script_folder(), '..', 'LICENSE'))) # write the output with StringIO(newline='\n') as output: # build in a string buffer write = lambda txt, end='\n': print(txt, file=output, end=end) if (len(preamble) > 0): write(utils.make_divider()) for pre in preamble: write('//') for line in pre.strip().splitlines(): if len(line) == 0: write('//') continue if not line.startswith('//'): write('// ', end='') write(line) write('//') write(utils.make_divider()) write(source_text) write('') output_str = output.getvalue().strip() # analyze the output to find any potentially missing #undefs re_define = re.compile(r'^\s*#\s*define\s+([a-zA-Z0-9_]+)(?:$|\s|\()') re_undef = re.compile(r'^\s*#\s*undef\s+([a-zA-Z0-9_]+)(?:$|\s|//)') defines = dict() for output_line in output_str.splitlines(): defined = True m = re_define.match(output_line) if not m: defined = False m = re_undef.match(output_line) if m: defines[m.group(1)] = defined ignore_list = ( # macros that are meant to stay public (user configs etc) 'INCLUDE_TOMLPLUSPLUS_H', 'TOML_API', 'TOML_UNRELEASED_FEATURES', 'TOML_LARGE_FILES', 'TOML_PARSER', 'TOML_WINDOWS_COMPAT', 'TOML_EXCEPTIONS', 'TOML_LIB_SINGLE_HEADER', 'TOML_LIB_MAJOR', 'TOML_LIB_MINOR', 'TOML_LIB_PATCH', 'TOML_LANG_MAJOR', 'TOML_LANG_MINOR', 'TOML_LANG_PATCH', 'TOML_UNDEF_MACROS', 'TOML_HEADER_ONLY', 'TOML_ALL_INLINE') set_defines = [] for define, currently_set in defines.items(): if currently_set and define not in ignore_list: set_defines.append(define) if len(set_defines) > 0: set_defines.sort() print(f"Potentially missing #undefs:") for define in set_defines: print(f"\t#undef {define}") # write the output file output_file_path = path.join(utils.get_script_folder(), '..', 'toml.hpp') print("Writing to {}".format(output_file_path)) with open(output_file_path, 'w', encoding='utf-8', newline='\n') as output_file: print(output_str, file=output_file)
def main(): # preprocess header(s) source_text = Preprocessor()('toml.h') source_text = re.sub(r'^\s*#\s*pragma\s+once\s*$', '', source_text, 0, re.I | re.M) # 'pragma once' source_text = re.sub(r'^\s*//\s*clang-format\s+.+?$', '', source_text, 0, re.I | re.M) # clang-format directives source_text = re.sub(r'^\s*//\s*SPDX-License-Identifier:.+?$', '', source_text, 0, re.I | re.M) # spdx source_text = re.sub('(?:(?:\n|^)[ \t]*//[/#!<]+[^\n]*)+\n', '\n', source_text, 0, re.I | re.M) # remove 'magic' comment blocks source_text = re.sub('(?://[/#!<].*?)\n', '\n', source_text, 0, re.I | re.M) # remove 'magic' comments source_text = re.sub('([^ \t])[ \t]+\n', '\\1\n', source_text, 0, re.I | re.M) # remove trailing whitespace source_text = re.sub('\n(?:[ \t]*\n[ \t]*)+\n', '\n\n', source_text, 0, re.I | re.M) # remove double newlines # source_text = re.sub( # blank lines between various preprocessor directives # '[#](endif(?:\s*//[^\n]*)?)\n{2,}[#](ifn?(?:def)?|define)', # '#\\1\n#\\2', # source_text, 0, re.I | re.M # ) return_type_pattern \ = r'(?:' \ + r'(?:\[\[nodiscard\]\]\s*)?' \ + r'(?:(?:friend|explicit|virtual|inline|const|operator)\s+)*' \ + r'(?:' \ + r'bool|int64_t|(?:const_)?iterator|double|void' \ + r'|node(?:_(?:view|of)<.+?>|)?|table|array|value(?:<.+?>)?' \ + r'|T|U|parse_(?:error|result)' \ + r')' \ + r'(?:\s*[&*]+)?' \ + r'(?:\s*[(]\s*[)])?' \ + r'\s+' \ + r')' blank_lines_between_returns_pattern = '({}[^\n]+)\n\n([ \t]*{})'.format(return_type_pattern, return_type_pattern) for i in range(0, 5): # remove blank lines between simple one-liner definitions source_text = re.sub('(using .+?;)\n\n([ \t]*using)', '\\1\n\\2', source_text, 0, re.I | re.M) source_text = re.sub( '([a-zA-Z_][a-zA-Z0-9_]*[ \t]+[a-zA-Z_][a-zA-Z0-9_]*[ \t]*;)' \ + '\n\n([ \t]*[a-zA-Z_][a-zA-Z0-9_]*[ \t]+[a-zA-Z_][a-zA-Z0-9_]*[ \t]*;)', '\\1\n\\2', source_text, 0, re.I | re.M) source_text = re.sub(blank_lines_between_returns_pattern, '\\1\n\\2', source_text, 0, re.I | re.M) source_text = source_text.strip() + '\n' # extract library version library_version = { 'major': 0, 'minor': 0, 'patch': 0 } match = re.search(r'^\s*#\s*define\s+TOML_LIB_MAJOR\s+([0-9]+)\s*$', source_text, re.I | re.M) if match is not None: library_version['major'] = match.group(1) match = re.search(r'^\s*#\s*define\s+TOML_LIB_MINOR\s+([0-9]+)\s*$', source_text, re.I | re.M) if match is not None: library_version['minor'] = match.group(1) match = re.search(r'^\s*#\s*define\s+TOML_LIB_(?:REVISION|PATCH)\s+([0-9]+)\s*$', source_text, re.I | re.M) if match is not None: library_version['patch'] = match.group(1) # build the preamble (license etc) preamble = [] preamble.append(''' toml++ v{major}.{minor}.{patch} https://github.com/marzer/tomlplusplus SPDX-License-Identifier: MIT'''.format(**library_version)) preamble.append(''' - THIS FILE WAS ASSEMBLED FROM MULTIPLE HEADER FILES BY A SCRIPT - PLEASE DON'T EDIT IT DIRECTLY - If you wish to submit a contribution to toml++, hooray and thanks! Before you crack on, please be aware that this file was assembled from a number of smaller files by a python script, and code contributions should not be made against it directly. You should instead make your changes in the relevant source file(s). The file names of the files that contributed to this header can be found at the beginnings and ends of the corresponding sections of this file.''') preamble.append(''' TOML language specifications: Latest: https://github.com/toml-lang/toml/blob/master/README.md v1.0.0-rc.1: https://toml.io/en/v1.0.0-rc.1 v0.5.0: https://toml.io/en/v0.5.0''') preamble.append(utils.read_all_text_from_file(path.join(utils.get_script_folder(), '..', 'LICENSE'))) # write the output file output_file_path = path.join(utils.get_script_folder(), '..', 'toml.hpp') print("Writing to {}".format(output_file_path)) with open(output_file_path,'w', encoding='utf-8', newline='\n') as output_file: if (len(preamble) > 0): print(utils.make_divider(), file=output_file) for pre in preamble: print('//', file=output_file) for line in pre.strip().splitlines(): print('//', file=output_file, end = '') if (len(line) > 0): print(' ', file=output_file, end = '') print(line, file=output_file) else: print('\n', file=output_file, end = '') print('//', file=output_file) print(utils.make_divider(), file=output_file) print('''// clang-format off #ifndef INCLUDE_TOMLPLUSPLUS_H #define INCLUDE_TOMLPLUSPLUS_H #define TOML_LIB_SINGLE_HEADER 1 ''', file=output_file) print(source_text, file=output_file) print(''' #endif // INCLUDE_TOMLPLUSPLUS_H // clang-format on''', file=output_file)