diff options
Diffstat (limited to 'keywords.py')
| -rw-r--r-- | keywords.py | 194 |
1 files changed, 115 insertions, 79 deletions
diff --git a/keywords.py b/keywords.py index 49c68bf..c4c4a13 100644 --- a/keywords.py +++ b/keywords.py @@ -1,63 +1,57 @@ import ast + +types = [ + 'SYNTAX_KEYWORD', 'SYNTAX_CONSTANT', 'SYNTAX_BUILTIN' +] +exec('\n'.join(['{} = {}'.format(type, i) for (i, type) in enumerate(types)])) + def process_keywords(keywords): assert len(set(keywords)) == len(keywords) keywords_by_c = {} - for kwd in keywords: + for (type,kwd) in keywords: c = kwd[0] if c in keywords_by_c: - keywords_by_c[c].append(kwd) + keywords_by_c[c].append((type, kwd)) else: - keywords_by_c[c] = [kwd] + keywords_by_c[c] = [(type, kwd)] return keywords_by_c def output_keywords(file, keywords, language): keywords = process_keywords(keywords) for (c, kwds) in sorted(keywords.items()): kwds = list(sorted(kwds)) - file.write('static char const *const syntax_keywords_{}_{}[{}] = {{'.format(language, c, len(kwds)+1)) - file.write(','.join(map(lambda x: '"'+x+'"', kwds)) + '};\n') - file.write('static char const *const *const syntax_all_keywords_{}[] = {{\n'.format(language)) + file.write('static Keyword const syntax_keywords_{}_{}[{}] = {{'.format(language, c, len(kwds)+1)) + file.write(','.join(map(lambda kwd: '{"'+kwd[1]+'", ' + types[kwd[0]] + '}', kwds)) + '};\n') + file.write('static Keyword const *const syntax_all_keywords_{}[] = {{\n'.format(language)) file.write('\t'+', '.join(["['{}'] = syntax_keywords_{}_{}".format(c, language, c) for c in sorted(keywords.keys())]) + '\n') file.write('};\n\n') -keywords_c = ["CHAR_BIT", "CHAR_MAX", "CHAR_MIN", "DBL_DIG", "DBL_EPSILON", "DBL_HAS_SUBNORM", "DBL_MANT_DIG", "DBL_MAX", - "DBL_MAX_10_EXP", "DBL_MAX_EXP", "DBL_MIN", "DBL_MIN_EXP", "DBL_TRUE_MIN", "DECIMAL_DIG", "EXIT_FAILURE", "EXIT_SUCCESS", - "FLT_DECIMAL_DIG", "FLT_DIG", "FLT_EVAL_METHOD", "FLT_HAS_SUBNORM", "FLT_MANT_DIG", "FLT_MAX", "FLT_MAX_10_EXP", "FLT_MAX_EXP", - "FLT_MIN", "FLT_MIN_10_EXP", "FLT_MIN_EXP", "FLT_RADIX", "FLT_ROUNDS", "FLT_TRUE_MIN", "INT16_MAX", "INT16_MIN", - "INT32_MAX", "INT32_MIN", "INT64_MAX", "INT64_MIN", "INT8_MAX", "INT8_MIN", "INTMAX_MAX", "INTMAX_MIN", - "INTPTR_MAX", "INTPTR_MIN", "INT_FAST16_MAX", "INT_FAST16_MIN", "INT_FAST32_MAX", "INT_FAST32_MIN", "INT_FAST64_MAX", "INT_FAST64_MIN", - "INT_FAST8_MAX", "INT_FAST8_MIN", "INT_LEAST16_MAX", "INT_LEAST16_MIN", "INT_LEAST32_MAX", "INT_LEAST32_MIN", "INT_LEAST64_MAX", "INT_LEAST64_MIN", - "INT_LEAST8_MAX", "INT_LEAST8_MIN", "INT_MAX", "INT_MIN", "LDBL_DECIMAL_DIG", "LDBL_DIG", "LDBL_EPSILON", "LDBL_MANT_DIG", - "LDBL_MAX", "LDBL_MAX_10_EXP", "LDBL_MAX_EXP", "LDBL_MIN", "LDBL_MIN_10_EXP", "LDBL_MIN_EXP", "LDBL_TRUE_MIN", "LLONG_MAX", - "LLONG_MIN", "LONG_MAX", "LONG_MIN", "MB_LEN_MAX", "NULL", "SCHAR_MAX", "SCHAR_MIN", "SHRT_MAX", - "SHRT_MIN", "UCHAR_MAX", "UINT16_MAX", "UINT32_MAX", "UINT64_MAX", "UINT8_MAX", "UINTMAX_MAX", "UINTPTR_MAX", - "UINT_FAST16_MAX", "UINT_FAST32_MAX", "UINT_FAST64_MAX", "UINT_FAST8_MAX", "UINT_LEAST16_MAX", "UINT_LEAST32_MAX", "UINT_LEAST64_MAX", "UINT_LEAST8_MAX", - "UINT_MAX", "ULLONG_MAX", "ULONG_MAX", "USHRT_MAX", "_Alignas", "_Alignof", "_Atomic", "_Bool", - "_Complex", "_Generic", "_Imaginary", "_Noreturn", "_Static_assert", "_Thread_local", "auto", "bool", - "break", "case", "char", "char16_t", "char32_t", "char8_t", "const", "continue", - "default", "do", "double", "else", "enum", "extern", "false", "float", - "for", "goto", "if", "inline", "int", "int16_t", "int32_t", "int64_t", - "int8_t", "long", "register", "restrict", "return", "short", "signed", "sizeof", - "static", "struct", "switch", "true", "typedef", "uint16_t", "uint32_t", "uint64_t", - "uint8_t", "union", "unsigned", "void", "volatile", "wchar_t", "while", "wint_t", - "size_t", "rsize_t", "uintptr_t", "intptr_t", "intmax_t", "uintmax_t", - "PTRDIFF_MIN", "PTRDIFF_MAX", 'SIG_ATOMIC_MIN', 'SIG_ATOMIC_MAX', +constants_c = ['CHAR_BIT', 'CHAR_MAX', 'CHAR_MIN', 'DBL_DIG', 'DBL_EPSILON', 'DBL_HAS_SUBNORM', 'DBL_MANT_DIG', 'DBL_MAX', + 'DBL_MAX_10_EXP', 'DBL_MAX_EXP', 'DBL_MIN', 'DBL_MIN_EXP', 'DBL_TRUE_MIN', 'DECIMAL_DIG', 'EXIT_FAILURE', 'EXIT_SUCCESS', + 'FLT_DECIMAL_DIG', 'FLT_DIG', 'FLT_EVAL_METHOD', 'FLT_HAS_SUBNORM', 'FLT_MANT_DIG', 'FLT_MAX', 'FLT_MAX_10_EXP', 'FLT_MAX_EXP', + 'FLT_MIN', 'FLT_MIN_10_EXP', 'FLT_MIN_EXP', 'FLT_RADIX', 'FLT_ROUNDS', 'FLT_TRUE_MIN', 'INT16_MAX', 'INT16_MIN', + 'INT32_MAX', 'INT32_MIN', 'INT64_MAX', 'INT64_MIN', 'INT8_MAX', 'INT8_MIN', 'INTMAX_MAX', 'INTMAX_MIN', + 'INTPTR_MAX', 'INTPTR_MIN', 'INT_FAST16_MAX', 'INT_FAST16_MIN', 'INT_FAST32_MAX', 'INT_FAST32_MIN', 'INT_FAST64_MAX', 'INT_FAST64_MIN', + 'INT_FAST8_MAX', 'INT_FAST8_MIN', 'INT_LEAST16_MAX', 'INT_LEAST16_MIN', 'INT_LEAST32_MAX', 'INT_LEAST32_MIN', 'INT_LEAST64_MAX', 'INT_LEAST64_MIN', + 'INT_LEAST8_MAX', 'INT_LEAST8_MIN', 'INT_MAX', 'INT_MIN', 'LDBL_DECIMAL_DIG', 'LDBL_DIG', 'LDBL_EPSILON', 'LDBL_MANT_DIG', + 'LDBL_MAX', 'LDBL_MAX_10_EXP', 'LDBL_MAX_EXP', 'LDBL_MIN', 'LDBL_MIN_10_EXP', 'LDBL_MIN_EXP', 'LDBL_TRUE_MIN', 'LLONG_MAX', + 'LLONG_MIN', 'LONG_MAX', 'LONG_MIN', 'MB_LEN_MAX', 'NULL', 'SCHAR_MAX', 'SCHAR_MIN', 'SHRT_MAX', + 'SHRT_MIN', 'UCHAR_MAX', 'UINT16_MAX', 'UINT32_MAX', 'UINT64_MAX', 'UINT8_MAX', 'UINTMAX_MAX', 'UINTPTR_MAX', + 'UINT_FAST16_MAX', 'UINT_FAST32_MAX', 'UINT_FAST64_MAX', 'UINT_FAST8_MAX', 'UINT_LEAST16_MAX', 'UINT_LEAST32_MAX', 'UINT_LEAST64_MAX', 'UINT_LEAST8_MAX', + 'UINT_MAX', 'ULLONG_MAX', 'ULONG_MAX', 'USHRT_MAX', 'true', 'false', + 'PTRDIFF_MIN', 'PTRDIFF_MAX', 'SIG_ATOMIC_MIN', 'SIG_ATOMIC_MAX', 'SIZE_MAX', 'WCHAR_MIN', 'WCHAR_MAX', 'WINT_MIN', 'WINT_MAX', 'FILE', 'fpos_t', '_IOFBF', '_IOLBF', '_IONBF', 'BUFSIZ', 'EOF', 'FOPEN_MAX', 'FILENAME_MAX', 'L_tmpnam', - 'SEEK_CUR', 'SEEK_END', 'SEEK_SET', - 'TMP_MAX', 'stderr', 'stdin', 'stdout', - 'mbstate_t', 'TIME_UTC', 'static_assert', 'noreturn', 'alignof', 'alignas', 'complex', - 'TMP_MAX_S', - 'SIG_DFL', 'SIG_ERR', 'SIG_IGN', - "SIGABRT", "SIGALRM", "SIGBUS", "SIGCHLD", "SIGCLD", "SIGCONT", - "SIGEMT", "SIGFPE", "SIGHUP", "SIGILL", "SIGINFO", "SIGINT", - "SIGIO", "SIGIOT", "SIGKILL", "SIGLOST", "SIGPIPE", - "SIGPOLL", "SIGPROF", "SIGPWR", "SIGQUIT", "SIGSEGV", "SIGSTKFLT", - "SIGSTOP", "SIGTSTP", "SIGSYS", "SIGTERM", "SIGTRAP", "SIGTTIN", - "SIGTTOU", "SIGUNUSED", "SIGURG", "SIGUSR1", "SIGUSR2", "SIGVTALRM", - "SIGXCPU", "SIGXFSZ", "SIGWINCH", 'imaxdiv_t', - 'NDEBUG', 'I', + 'SEEK_CUR', 'SEEK_END', 'SEEK_SET', 'TMP_MAX', 'stderr', 'stdin', 'stdout', 'TIME_UTC', + 'TMP_MAX_S', 'SIG_DFL', 'SIG_ERR', 'SIG_IGN', + 'SIGABRT', 'SIGALRM', 'SIGBUS', 'SIGCHLD', 'SIGCLD', 'SIGCONT', + 'SIGEMT', 'SIGFPE', 'SIGHUP', 'SIGILL', 'SIGINFO', 'SIGINT', + 'SIGIO', 'SIGIOT', 'SIGKILL', 'SIGLOST', 'SIGPIPE', + 'SIGPOLL', 'SIGPROF', 'SIGPWR', 'SIGQUIT', 'SIGSEGV', 'SIGSTKFLT', + 'SIGSTOP', 'SIGTSTP', 'SIGSYS', 'SIGTERM', 'SIGTRAP', 'SIGTTIN', + 'SIGTTOU', 'SIGUNUSED', 'SIGURG', 'SIGUSR1', 'SIGUSR2', 'SIGVTALRM', + 'SIGXCPU', 'SIGXFSZ', 'SIGWINCH', 'NDEBUG', 'I', 'EPERM', 'ENOENT', 'ESRCH', 'EINTR', 'EIO', 'ENXIO', 'E2BIG', 'ENOEXEC', 'EBADF', 'ECHILD', 'EAGAIN', 'ENOMEM', 'EACCES', 'EFAULT', 'ENOTBLK', 'EBUSY', 'EEXIST', 'EXDEV', 'ENODEV', 'ENOTDIR', @@ -77,28 +71,49 @@ keywords_c = ["CHAR_BIT", "CHAR_MAX", "CHAR_MIN", "DBL_DIG", "DBL_EPSILON", "DBL 'ENETUNREACH', 'ENETRESET', 'ECONNABORTED', 'ECONNRESET', 'ENOBUFS', 'EISCONN', 'ENOTCONN', 'ESHUTDOWN', 'ETOOMANYREFS', 'ETIMEDOUT', 'ECONNREFUSED', 'EHOSTDOWN', 'EHOSTUNREACH', 'EALREADY', 'EINPROGRESS', - 'ESTALE', 'EUCLEAN', 'ENOTNAM', - 'ENAVAIL', 'EISNAM', 'EREMOTEIO', 'EDQUOT', 'ENOMEDIUM', 'EMEDIUMTYPE', - 'errno_t', 'fenv_t', 'fexcept_t', 'FE_DIVBYZERO', 'FE_INEXACT', - 'FE_INVALID', 'FE_OVERFLOW', 'FE_UNDERFLOW', 'FE_ALL_EXCEPT', 'FE_DOWNWARD', + 'ESTALE', 'EUCLEAN', 'ENOTNAM', 'ENAVAIL', 'EISNAM', 'EREMOTEIO', 'EDQUOT', 'ENOMEDIUM', 'EMEDIUMTYPE', + 'FE_DIVBYZERO', 'FE_INEXACT', 'FE_INVALID', 'FE_OVERFLOW', 'FE_UNDERFLOW', 'FE_ALL_EXCEPT', 'FE_DOWNWARD', 'FE_TONEAREST', 'FE_TOWARDZERO', 'FE_UPWARD', 'FE_DFL_ENV', 'LC_ALL', 'LC_CTYPE', 'LC_NUMERIC', 'LC_COLLATE', 'LC_MONETARY', 'LC_TIME', - 'float_t', 'double_t', 'HUGE_VAL', 'HUGE_VALF', 'HUGE_VALL', 'INFINITY', + 'HUGE_VAL', 'HUGE_VALF', 'HUGE_VALL', 'INFINITY', 'NAN', 'FP_INFINITE', 'FP_NAN', 'FP_NORMAL', 'FP_SUBNORMAL', 'FP_ZERO', 'FP_FAST_FMA', 'FP_FAST_FMAF', 'FP_FAST_FMAL', 'FP_ILOGB0', 'FP_ILOGBNAN', - 'MATH_ERRNO', 'MATH_ERREXCEPT', 'math_errhandling', 'jmp_buf', 'va_list', + 'MATH_ERRNO', 'MATH_ERREXCEPT', 'RSIZE_MAX', 'MB_CUR_MAX', 'CLOCKS_PER_SEC', 'WEOF', + 'ONCE_FLAG_INIT', 'TSS_DTOR_ITERATIONS', + 'thrd_timeout', 'thrd_success', 'thrd_busy', 'thrd_error', 'thrd_nomem', + 'mtx_plain', 'mtx_recursive', 'mtx_timed', 'mtx_try', +] +keywords_c = ['_Alignas', '_Alignof', '_Atomic', '_Bool', + '_Complex', '_Generic', '_Imaginary', '_Noreturn', '_Static_assert', '_Thread_local', 'auto', + 'break', 'case', 'char', 'const', 'continue', + 'default', 'do', 'double', 'else', 'enum', 'extern', 'float', 'for', 'goto', 'if', 'inline', 'int', + 'long', 'register', 'restrict', 'return', 'short', 'signed', 'sizeof', + 'static', 'struct', 'switch', 'typedef', 'union', 'unsigned', 'void', 'volatile', 'while', +] +builtins_c = [ + 'bool', + 'int8_t', 'int16_t', 'int32_t', 'int64_t', 'uint8_t', 'uint16_t', 'uint32_t', 'uint64_t', + 'int_least8_t', 'int_least16_t', 'int_least32_t', 'int_least64_t', 'uint_least8_t', 'uint_least16_t', 'uint_least32_t', 'uint_least64_t', + 'int_fast8_t', 'int_fast16_t', 'int_fast32_t', 'int_fast64_t', 'uint_fast8_t', 'uint_fast16_t', 'uint_fast32_t', 'uint_fast64_t', + 'char8_t', 'char16_t', 'char32_t', + 'wchar_t', 'wint_t', + 'size_t', 'rsize_t', 'uintptr_t', 'intptr_t', 'intmax_t', 'uintmax_t', + 'mbstate_t', 'static_assert', 'noreturn', 'alignof', 'alignas', 'complex', + 'imaxdiv_t', + 'math_errhandling', 'jmp_buf', 'va_list', + 'errno_t', 'fenv_t', 'fexcept_t', + 'float_t', 'double_t', 'sig_atomic_t', 'memory_order', 'memory_order_relaxed', 'memory_order_consume', 'memory_order_acquire', 'memory_order_release', 'memory_order_acq_rel', 'memory_order_seq_cst', - 'ptrdiff_t', 'max_align_t', 'offsetof', 'RSIZE_MAX', 'MB_CUR_MAX', 'div_t', 'ldiv_t', 'lldiv_t', - 'constraint_handler_t', 'ONCE_FLAG_INIT', 'TSS_DTOR_ITERATIONS', 'cnd_t', 'thrd_t', 'tss_t', 'mtx_t', - 'tss_dtor_t', 'thrd_start_t', 'once_flag', 'xtime', 'mtx_plain', 'mtx_recursive', 'mtx_timed', - 'mtx_try', 'thrd_timeout', 'thrd_success', 'thrd_busy', 'thrd_error', 'thrd_nomem', - 'CLOCKS_PER_SEC', 'clock_t', 'time_t', 'WEOF', 'wctrans_t', 'wctype_t', + 'ptrdiff_t', 'max_align_t', 'offsetof', + 'div_t', 'ldiv_t', 'lldiv_t', 'constraint_handler_t', 'cnd_t', 'thrd_t', 'tss_t', 'mtx_t', + 'tss_dtor_t', 'thrd_start_t', 'once_flag', 'xtime', + 'clock_t', 'time_t', 'wctrans_t', 'wctype_t', ] - + for x in ['char', 'char16_t', 'char32_t', 'wchar_t', 'short', 'int', 'long', 'llong', 'address', 'flag']: - keywords_c.append('ATOMIC_{}_LOCK_FREE'.format(x.upper())) + constants_c.append('ATOMIC_{}_LOCK_FREE'.format(x.upper())) for x in ['flag', 'bool', 'address', 'char', 'schar', 'uchar', 'short', 'ushort', 'int', 'uint', 'long', 'ulong', 'llong', 'ullong', 'char16_t', 'char32_t', 'wchar_t', @@ -107,19 +122,19 @@ for x in ['flag', 'bool', 'address', 'char', 'schar', 'uchar', 'short', 'int_fast8_t', 'int_fast16_t', 'int_fast32_t', 'int_fast64_t', 'uint_fast8_t', 'uint_fast16_t', 'uint_fast32_t', 'uint_fast64_t', 'intptr_t', 'uintptr_t', 'size_t', 'ptrdiff_t', 'intmax_t', 'uintmax_t']: - keywords_c.append('atomic_{}'.format(x)) + builtins_c.append('atomic_{}'.format(x)) for c in 'diouxX': for thing in ['', 'LEAST', 'FAST']: for N in [8, 16, 32, 64]: - keywords_c.append('PRI{}{}{}'.format(c, thing, N)) - if c != 'X': keywords_c.append('SCN{}{}{}'.format(c, thing, N)) + constants_c.append('PRI{}{}{}'.format(c, thing, N)) + if c != 'X': constants_c.append('SCN{}{}{}'.format(c, thing, N)) - keywords_c.append('PRI{}PTR'.format(c)) - keywords_c.append('PRI{}MAX'.format(c)) + constants_c.append('PRI{}PTR'.format(c)) + constants_c.append('PRI{}MAX'.format(c)) if c != 'X': - keywords_c.append('SCN{}PTR'.format(c)) - keywords_c.append('SCN{}MAX'.format(c)) + constants_c.append('SCN{}PTR'.format(c)) + constants_c.append('SCN{}MAX'.format(c)) # keywords unique to C++ (not in C) keywords_cpp = [ @@ -133,28 +148,49 @@ keywords_cpp = [ 'static_cast', 'synchronized', 'template', 'this', 'throw', 'try', 'typeid', 'typename', 'using', 'virtual', 'xor', 'xor_eq', + 'bool', 'wchar_t', ] -assert not set(keywords_c).intersection(keywords_cpp) +def cant_overlap(*args): + for i in range(len(args)): + for j in range(i): + assert not set(args[i]).intersection(args[j]) +cant_overlap(keywords_c, keywords_cpp) keywords_rust = [ - "as", "break", "const", "continue", "crate", "else", "enum", "extern", "false", "fn", "for", - "if", "impl", "in", "let", "loop", "match", "mod", "move", "mut", "pub", "ref", "return", - "self", "Self", "static", "struct", "super", "trait", "true", "type", "unsafe", "use", - "where", "while", "async", "await", "dyn", "abstract", "become", "box", "do", "final", - "macro", "override", "priv", "typeof", "unsized", "virtual", "yield", "try", "union", - "asm!","concat_idents!","format_args_nl!","global_asm!","is_aarch64_feature_detected!", - "is_arm_feature_detected!","is_mips64_feature_detected!","is_mips_feature_detected!", - "is_powerpc64_feature_detected!","is_powerpc_feature_detected!","llvm_asm!","log_syntax!", - "trace_macros!","assert!","assert_eq!","assert_ne!","cfg!","column!","compile_error!", - "concat!","dbg!","debug_assert!","debug_assert_eq!","debug_assert_ne!","env!","eprint!", - "eprintln!","file!","format!","format_args!","include!","include_bytes!","include_str!", - "is_x86_feature_detected!","line!","matches!","module_path!","option_env!","panic!", - "print!","println!","stringify!","thread_local!","todo!","try!","unimplemented!", - "unreachable!","vec!","write!","writeln!", + 'as', 'break', 'const', 'continue', 'crate', 'else', 'enum', 'extern', 'false', 'fn', 'for', + 'if', 'impl', 'in', 'let', 'loop', 'match', 'mod', 'move', 'mut', 'pub', 'ref', 'return', + 'self', 'Self', 'static', 'struct', 'super', 'trait', 'true', 'type', 'unsafe', 'use', + 'where', 'while', 'async', 'await', 'dyn', 'abstract', 'become', 'box', 'do', 'final', + 'macro', 'override', 'priv', 'typeof', 'unsized', 'virtual', 'yield', 'try', 'union', +] +builtins_rust = [ + 'asm!','concat_idents!','format_args_nl!','global_asm!','is_aarch64_feature_detected!', + 'is_arm_feature_detected!','is_mips64_feature_detected!','is_mips_feature_detected!', + 'is_powerpc64_feature_detected!','is_powerpc_feature_detected!','llvm_asm!','log_syntax!', + 'trace_macros!','assert!','assert_eq!','assert_ne!','cfg!','column!','compile_error!', + 'concat!','dbg!','debug_assert!','debug_assert_eq!','debug_assert_ne!','env!','eprint!', + 'eprintln!','file!','format!','format_args!','include!','include_bytes!','include_str!', + 'is_x86_feature_detected!','line!','matches!','module_path!','option_env!','panic!', + 'print!','println!','stringify!','thread_local!','todo!','try!','unimplemented!', + 'unreachable!','vec!','write!','writeln!', + # @TODO: i32, u32, Some, str, etc. ] file = open('keywords.h', 'w') -output_keywords(file, keywords_c, 'c') -output_keywords(file, keywords_cpp, 'cpp') -output_keywords(file, keywords_rust, 'rust') +file.write('''typedef struct { + char const *str; + SyntaxCharType type; +} Keyword;\n\n''') + +def label(kwds, l): + return [(l, kwd) for kwd in kwds] + +cant_overlap(keywords_c, constants_c, builtins_c) +c_things = label(keywords_c, SYNTAX_KEYWORD) + label(constants_c, SYNTAX_CONSTANT) + label(builtins_c, SYNTAX_BUILTIN) +output_keywords(file, c_things, 'c') +cpp_things = c_things + label(keywords_cpp, SYNTAX_KEYWORD) +cpp_things.remove((SYNTAX_BUILTIN, 'bool')) +cpp_things.remove((SYNTAX_BUILTIN, 'wchar_t')) +output_keywords(file, cpp_things, 'cpp') +output_keywords(file, label(keywords_rust, SYNTAX_KEYWORD) + label(builtins_rust, SYNTAX_BUILTIN), 'rust') file.close() |