--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ThirdParty/Pygments/pygments/lexers/pascal.py Wed Mar 11 18:32:27 2015 +0100 @@ -0,0 +1,831 @@ +# -*- coding: utf-8 -*- +""" + pygments.lexers.pascal + ~~~~~~~~~~~~~~~~~~~~~~ + + Lexers for Pascal family languages. + + :copyright: Copyright 2006-2014 by the Pygments team, see AUTHORS. + :license: BSD, see LICENSE for details. +""" + +import re + +from pygments.lexer import Lexer, RegexLexer, include, bygroups, words, \ + using, this, default +from pygments.util import get_bool_opt, get_list_opt +from pygments.token import Text, Comment, Operator, Keyword, Name, String, \ + Number, Punctuation, Error +from pygments.scanner import Scanner + +__all__ = ['DelphiLexer', 'Modula2Lexer', 'AdaLexer'] + + +class DelphiLexer(Lexer): + """ + For `Delphi <http://www.borland.com/delphi/>`_ (Borland Object Pascal), + Turbo Pascal and Free Pascal source code. + + Additional options accepted: + + `turbopascal` + Highlight Turbo Pascal specific keywords (default: ``True``). + `delphi` + Highlight Borland Delphi specific keywords (default: ``True``). + `freepascal` + Highlight Free Pascal specific keywords (default: ``True``). + `units` + A list of units that should be considered builtin, supported are + ``System``, ``SysUtils``, ``Classes`` and ``Math``. + Default is to consider all of them builtin. + """ + name = 'Delphi' + aliases = ['delphi', 'pas', 'pascal', 'objectpascal'] + filenames = ['*.pas'] + mimetypes = ['text/x-pascal'] + + TURBO_PASCAL_KEYWORDS = ( + 'absolute', 'and', 'array', 'asm', 'begin', 'break', 'case', + 'const', 'constructor', 'continue', 'destructor', 'div', 'do', + 'downto', 'else', 'end', 'file', 'for', 'function', 'goto', + 'if', 'implementation', 'in', 'inherited', 'inline', 'interface', + 'label', 'mod', 'nil', 'not', 'object', 'of', 'on', 'operator', + 'or', 'packed', 'procedure', 'program', 'record', 'reintroduce', + 'repeat', 'self', 'set', 'shl', 'shr', 'string', 'then', 'to', + 'type', 'unit', 'until', 'uses', 'var', 'while', 'with', 'xor' + ) + + DELPHI_KEYWORDS = ( + 'as', 'class', 'except', 'exports', 'finalization', 'finally', + 'initialization', 'is', 'library', 'on', 'property', 'raise', + 'threadvar', 'try' + ) + + FREE_PASCAL_KEYWORDS = ( + 'dispose', 'exit', 'false', 'new', 'true' + ) + + BLOCK_KEYWORDS = set(( + 'begin', 'class', 'const', 'constructor', 'destructor', 'end', + 'finalization', 'function', 'implementation', 'initialization', + 'label', 'library', 'operator', 'procedure', 'program', 'property', + 'record', 'threadvar', 'type', 'unit', 'uses', 'var' + )) + + FUNCTION_MODIFIERS = set(( + 'alias', 'cdecl', 'export', 'inline', 'interrupt', 'nostackframe', + 'pascal', 'register', 'safecall', 'softfloat', 'stdcall', + 'varargs', 'name', 'dynamic', 'near', 'virtual', 'external', + 'override', 'assembler' + )) + + # XXX: those aren't global. but currently we know no way for defining + # them just for the type context. + DIRECTIVES = set(( + 'absolute', 'abstract', 'assembler', 'cppdecl', 'default', 'far', + 'far16', 'forward', 'index', 'oldfpccall', 'private', 'protected', + 'published', 'public' + )) + + BUILTIN_TYPES = set(( + 'ansichar', 'ansistring', 'bool', 'boolean', 'byte', 'bytebool', + 'cardinal', 'char', 'comp', 'currency', 'double', 'dword', + 'extended', 'int64', 'integer', 'iunknown', 'longbool', 'longint', + 'longword', 'pansichar', 'pansistring', 'pbool', 'pboolean', + 'pbyte', 'pbytearray', 'pcardinal', 'pchar', 'pcomp', 'pcurrency', + 'pdate', 'pdatetime', 'pdouble', 'pdword', 'pextended', 'phandle', + 'pint64', 'pinteger', 'plongint', 'plongword', 'pointer', + 'ppointer', 'pshortint', 'pshortstring', 'psingle', 'psmallint', + 'pstring', 'pvariant', 'pwidechar', 'pwidestring', 'pword', + 'pwordarray', 'pwordbool', 'real', 'real48', 'shortint', + 'shortstring', 'single', 'smallint', 'string', 'tclass', 'tdate', + 'tdatetime', 'textfile', 'thandle', 'tobject', 'ttime', 'variant', + 'widechar', 'widestring', 'word', 'wordbool' + )) + + BUILTIN_UNITS = { + 'System': ( + 'abs', 'acquireexceptionobject', 'addr', 'ansitoutf8', + 'append', 'arctan', 'assert', 'assigned', 'assignfile', + 'beginthread', 'blockread', 'blockwrite', 'break', 'chdir', + 'chr', 'close', 'closefile', 'comptocurrency', 'comptodouble', + 'concat', 'continue', 'copy', 'cos', 'dec', 'delete', + 'dispose', 'doubletocomp', 'endthread', 'enummodules', + 'enumresourcemodules', 'eof', 'eoln', 'erase', 'exceptaddr', + 'exceptobject', 'exclude', 'exit', 'exp', 'filepos', 'filesize', + 'fillchar', 'finalize', 'findclasshinstance', 'findhinstance', + 'findresourcehinstance', 'flush', 'frac', 'freemem', + 'get8087cw', 'getdir', 'getlasterror', 'getmem', + 'getmemorymanager', 'getmodulefilename', 'getvariantmanager', + 'halt', 'hi', 'high', 'inc', 'include', 'initialize', 'insert', + 'int', 'ioresult', 'ismemorymanagerset', 'isvariantmanagerset', + 'length', 'ln', 'lo', 'low', 'mkdir', 'move', 'new', 'odd', + 'olestrtostring', 'olestrtostrvar', 'ord', 'paramcount', + 'paramstr', 'pi', 'pos', 'pred', 'ptr', 'pucs4chars', 'random', + 'randomize', 'read', 'readln', 'reallocmem', + 'releaseexceptionobject', 'rename', 'reset', 'rewrite', 'rmdir', + 'round', 'runerror', 'seek', 'seekeof', 'seekeoln', + 'set8087cw', 'setlength', 'setlinebreakstyle', + 'setmemorymanager', 'setstring', 'settextbuf', + 'setvariantmanager', 'sin', 'sizeof', 'slice', 'sqr', 'sqrt', + 'str', 'stringofchar', 'stringtoolestr', 'stringtowidechar', + 'succ', 'swap', 'trunc', 'truncate', 'typeinfo', + 'ucs4stringtowidestring', 'unicodetoutf8', 'uniquestring', + 'upcase', 'utf8decode', 'utf8encode', 'utf8toansi', + 'utf8tounicode', 'val', 'vararrayredim', 'varclear', + 'widecharlentostring', 'widecharlentostrvar', + 'widechartostring', 'widechartostrvar', + 'widestringtoucs4string', 'write', 'writeln' + ), + 'SysUtils': ( + 'abort', 'addexitproc', 'addterminateproc', 'adjustlinebreaks', + 'allocmem', 'ansicomparefilename', 'ansicomparestr', + 'ansicomparetext', 'ansidequotedstr', 'ansiextractquotedstr', + 'ansilastchar', 'ansilowercase', 'ansilowercasefilename', + 'ansipos', 'ansiquotedstr', 'ansisamestr', 'ansisametext', + 'ansistrcomp', 'ansistricomp', 'ansistrlastchar', 'ansistrlcomp', + 'ansistrlicomp', 'ansistrlower', 'ansistrpos', 'ansistrrscan', + 'ansistrscan', 'ansistrupper', 'ansiuppercase', + 'ansiuppercasefilename', 'appendstr', 'assignstr', 'beep', + 'booltostr', 'bytetocharindex', 'bytetocharlen', 'bytetype', + 'callterminateprocs', 'changefileext', 'charlength', + 'chartobyteindex', 'chartobytelen', 'comparemem', 'comparestr', + 'comparetext', 'createdir', 'createguid', 'currentyear', + 'currtostr', 'currtostrf', 'date', 'datetimetofiledate', + 'datetimetostr', 'datetimetostring', 'datetimetosystemtime', + 'datetimetotimestamp', 'datetostr', 'dayofweek', 'decodedate', + 'decodedatefully', 'decodetime', 'deletefile', 'directoryexists', + 'diskfree', 'disksize', 'disposestr', 'encodedate', 'encodetime', + 'exceptionerrormessage', 'excludetrailingbackslash', + 'excludetrailingpathdelimiter', 'expandfilename', + 'expandfilenamecase', 'expanduncfilename', 'extractfiledir', + 'extractfiledrive', 'extractfileext', 'extractfilename', + 'extractfilepath', 'extractrelativepath', 'extractshortpathname', + 'fileage', 'fileclose', 'filecreate', 'filedatetodatetime', + 'fileexists', 'filegetattr', 'filegetdate', 'fileisreadonly', + 'fileopen', 'fileread', 'filesearch', 'fileseek', 'filesetattr', + 'filesetdate', 'filesetreadonly', 'filewrite', 'finalizepackage', + 'findclose', 'findcmdlineswitch', 'findfirst', 'findnext', + 'floattocurr', 'floattodatetime', 'floattodecimal', 'floattostr', + 'floattostrf', 'floattotext', 'floattotextfmt', 'fmtloadstr', + 'fmtstr', 'forcedirectories', 'format', 'formatbuf', 'formatcurr', + 'formatdatetime', 'formatfloat', 'freeandnil', 'getcurrentdir', + 'getenvironmentvariable', 'getfileversion', 'getformatsettings', + 'getlocaleformatsettings', 'getmodulename', 'getpackagedescription', + 'getpackageinfo', 'gettime', 'guidtostring', 'incamonth', + 'includetrailingbackslash', 'includetrailingpathdelimiter', + 'incmonth', 'initializepackage', 'interlockeddecrement', + 'interlockedexchange', 'interlockedexchangeadd', + 'interlockedincrement', 'inttohex', 'inttostr', 'isdelimiter', + 'isequalguid', 'isleapyear', 'ispathdelimiter', 'isvalidident', + 'languages', 'lastdelimiter', 'loadpackage', 'loadstr', + 'lowercase', 'msecstotimestamp', 'newstr', 'nextcharindex', 'now', + 'outofmemoryerror', 'quotedstr', 'raiselastoserror', + 'raiselastwin32error', 'removedir', 'renamefile', 'replacedate', + 'replacetime', 'safeloadlibrary', 'samefilename', 'sametext', + 'setcurrentdir', 'showexception', 'sleep', 'stralloc', 'strbufsize', + 'strbytetype', 'strcat', 'strcharlength', 'strcomp', 'strcopy', + 'strdispose', 'strecopy', 'strend', 'strfmt', 'stricomp', + 'stringreplace', 'stringtoguid', 'strlcat', 'strlcomp', 'strlcopy', + 'strlen', 'strlfmt', 'strlicomp', 'strlower', 'strmove', 'strnew', + 'strnextchar', 'strpas', 'strpcopy', 'strplcopy', 'strpos', + 'strrscan', 'strscan', 'strtobool', 'strtobooldef', 'strtocurr', + 'strtocurrdef', 'strtodate', 'strtodatedef', 'strtodatetime', + 'strtodatetimedef', 'strtofloat', 'strtofloatdef', 'strtoint', + 'strtoint64', 'strtoint64def', 'strtointdef', 'strtotime', + 'strtotimedef', 'strupper', 'supports', 'syserrormessage', + 'systemtimetodatetime', 'texttofloat', 'time', 'timestamptodatetime', + 'timestamptomsecs', 'timetostr', 'trim', 'trimleft', 'trimright', + 'tryencodedate', 'tryencodetime', 'tryfloattocurr', 'tryfloattodatetime', + 'trystrtobool', 'trystrtocurr', 'trystrtodate', 'trystrtodatetime', + 'trystrtofloat', 'trystrtoint', 'trystrtoint64', 'trystrtotime', + 'unloadpackage', 'uppercase', 'widecomparestr', 'widecomparetext', + 'widefmtstr', 'wideformat', 'wideformatbuf', 'widelowercase', + 'widesamestr', 'widesametext', 'wideuppercase', 'win32check', + 'wraptext' + ), + 'Classes': ( + 'activateclassgroup', 'allocatehwnd', 'bintohex', 'checksynchronize', + 'collectionsequal', 'countgenerations', 'deallocatehwnd', 'equalrect', + 'extractstrings', 'findclass', 'findglobalcomponent', 'getclass', + 'groupdescendantswith', 'hextobin', 'identtoint', + 'initinheritedcomponent', 'inttoident', 'invalidpoint', + 'isuniqueglobalcomponentname', 'linestart', 'objectbinarytotext', + 'objectresourcetotext', 'objecttexttobinary', 'objecttexttoresource', + 'pointsequal', 'readcomponentres', 'readcomponentresex', + 'readcomponentresfile', 'rect', 'registerclass', 'registerclassalias', + 'registerclasses', 'registercomponents', 'registerintegerconsts', + 'registernoicon', 'registernonactivex', 'smallpoint', 'startclassgroup', + 'teststreamformat', 'unregisterclass', 'unregisterclasses', + 'unregisterintegerconsts', 'unregistermoduleclasses', + 'writecomponentresfile' + ), + 'Math': ( + 'arccos', 'arccosh', 'arccot', 'arccoth', 'arccsc', 'arccsch', 'arcsec', + 'arcsech', 'arcsin', 'arcsinh', 'arctan2', 'arctanh', 'ceil', + 'comparevalue', 'cosecant', 'cosh', 'cot', 'cotan', 'coth', 'csc', + 'csch', 'cycletodeg', 'cycletograd', 'cycletorad', 'degtocycle', + 'degtograd', 'degtorad', 'divmod', 'doubledecliningbalance', + 'ensurerange', 'floor', 'frexp', 'futurevalue', 'getexceptionmask', + 'getprecisionmode', 'getroundmode', 'gradtocycle', 'gradtodeg', + 'gradtorad', 'hypot', 'inrange', 'interestpayment', 'interestrate', + 'internalrateofreturn', 'intpower', 'isinfinite', 'isnan', 'iszero', + 'ldexp', 'lnxp1', 'log10', 'log2', 'logn', 'max', 'maxintvalue', + 'maxvalue', 'mean', 'meanandstddev', 'min', 'minintvalue', 'minvalue', + 'momentskewkurtosis', 'netpresentvalue', 'norm', 'numberofperiods', + 'payment', 'periodpayment', 'poly', 'popnstddev', 'popnvariance', + 'power', 'presentvalue', 'radtocycle', 'radtodeg', 'radtograd', + 'randg', 'randomrange', 'roundto', 'samevalue', 'sec', 'secant', + 'sech', 'setexceptionmask', 'setprecisionmode', 'setroundmode', + 'sign', 'simpleroundto', 'sincos', 'sinh', 'slndepreciation', 'stddev', + 'sum', 'sumint', 'sumofsquares', 'sumsandsquares', 'syddepreciation', + 'tan', 'tanh', 'totalvariance', 'variance' + ) + } + + ASM_REGISTERS = set(( + 'ah', 'al', 'ax', 'bh', 'bl', 'bp', 'bx', 'ch', 'cl', 'cr0', + 'cr1', 'cr2', 'cr3', 'cr4', 'cs', 'cx', 'dh', 'di', 'dl', 'dr0', + 'dr1', 'dr2', 'dr3', 'dr4', 'dr5', 'dr6', 'dr7', 'ds', 'dx', + 'eax', 'ebp', 'ebx', 'ecx', 'edi', 'edx', 'es', 'esi', 'esp', + 'fs', 'gs', 'mm0', 'mm1', 'mm2', 'mm3', 'mm4', 'mm5', 'mm6', + 'mm7', 'si', 'sp', 'ss', 'st0', 'st1', 'st2', 'st3', 'st4', 'st5', + 'st6', 'st7', 'xmm0', 'xmm1', 'xmm2', 'xmm3', 'xmm4', 'xmm5', + 'xmm6', 'xmm7' + )) + + ASM_INSTRUCTIONS = set(( + 'aaa', 'aad', 'aam', 'aas', 'adc', 'add', 'and', 'arpl', 'bound', + 'bsf', 'bsr', 'bswap', 'bt', 'btc', 'btr', 'bts', 'call', 'cbw', + 'cdq', 'clc', 'cld', 'cli', 'clts', 'cmc', 'cmova', 'cmovae', + 'cmovb', 'cmovbe', 'cmovc', 'cmovcxz', 'cmove', 'cmovg', + 'cmovge', 'cmovl', 'cmovle', 'cmovna', 'cmovnae', 'cmovnb', + 'cmovnbe', 'cmovnc', 'cmovne', 'cmovng', 'cmovnge', 'cmovnl', + 'cmovnle', 'cmovno', 'cmovnp', 'cmovns', 'cmovnz', 'cmovo', + 'cmovp', 'cmovpe', 'cmovpo', 'cmovs', 'cmovz', 'cmp', 'cmpsb', + 'cmpsd', 'cmpsw', 'cmpxchg', 'cmpxchg486', 'cmpxchg8b', 'cpuid', + 'cwd', 'cwde', 'daa', 'das', 'dec', 'div', 'emms', 'enter', 'hlt', + 'ibts', 'icebp', 'idiv', 'imul', 'in', 'inc', 'insb', 'insd', + 'insw', 'int', 'int01', 'int03', 'int1', 'int3', 'into', 'invd', + 'invlpg', 'iret', 'iretd', 'iretw', 'ja', 'jae', 'jb', 'jbe', + 'jc', 'jcxz', 'jcxz', 'je', 'jecxz', 'jg', 'jge', 'jl', 'jle', + 'jmp', 'jna', 'jnae', 'jnb', 'jnbe', 'jnc', 'jne', 'jng', 'jnge', + 'jnl', 'jnle', 'jno', 'jnp', 'jns', 'jnz', 'jo', 'jp', 'jpe', + 'jpo', 'js', 'jz', 'lahf', 'lar', 'lcall', 'lds', 'lea', 'leave', + 'les', 'lfs', 'lgdt', 'lgs', 'lidt', 'ljmp', 'lldt', 'lmsw', + 'loadall', 'loadall286', 'lock', 'lodsb', 'lodsd', 'lodsw', + 'loop', 'loope', 'loopne', 'loopnz', 'loopz', 'lsl', 'lss', 'ltr', + 'mov', 'movd', 'movq', 'movsb', 'movsd', 'movsw', 'movsx', + 'movzx', 'mul', 'neg', 'nop', 'not', 'or', 'out', 'outsb', 'outsd', + 'outsw', 'pop', 'popa', 'popad', 'popaw', 'popf', 'popfd', 'popfw', + 'push', 'pusha', 'pushad', 'pushaw', 'pushf', 'pushfd', 'pushfw', + 'rcl', 'rcr', 'rdmsr', 'rdpmc', 'rdshr', 'rdtsc', 'rep', 'repe', + 'repne', 'repnz', 'repz', 'ret', 'retf', 'retn', 'rol', 'ror', + 'rsdc', 'rsldt', 'rsm', 'sahf', 'sal', 'salc', 'sar', 'sbb', + 'scasb', 'scasd', 'scasw', 'seta', 'setae', 'setb', 'setbe', + 'setc', 'setcxz', 'sete', 'setg', 'setge', 'setl', 'setle', + 'setna', 'setnae', 'setnb', 'setnbe', 'setnc', 'setne', 'setng', + 'setnge', 'setnl', 'setnle', 'setno', 'setnp', 'setns', 'setnz', + 'seto', 'setp', 'setpe', 'setpo', 'sets', 'setz', 'sgdt', 'shl', + 'shld', 'shr', 'shrd', 'sidt', 'sldt', 'smi', 'smint', 'smintold', + 'smsw', 'stc', 'std', 'sti', 'stosb', 'stosd', 'stosw', 'str', + 'sub', 'svdc', 'svldt', 'svts', 'syscall', 'sysenter', 'sysexit', + 'sysret', 'test', 'ud1', 'ud2', 'umov', 'verr', 'verw', 'wait', + 'wbinvd', 'wrmsr', 'wrshr', 'xadd', 'xbts', 'xchg', 'xlat', + 'xlatb', 'xor' + )) + + def __init__(self, **options): + Lexer.__init__(self, **options) + self.keywords = set() + if get_bool_opt(options, 'turbopascal', True): + self.keywords.update(self.TURBO_PASCAL_KEYWORDS) + if get_bool_opt(options, 'delphi', True): + self.keywords.update(self.DELPHI_KEYWORDS) + if get_bool_opt(options, 'freepascal', True): + self.keywords.update(self.FREE_PASCAL_KEYWORDS) + self.builtins = set() + for unit in get_list_opt(options, 'units', list(self.BUILTIN_UNITS)): + self.builtins.update(self.BUILTIN_UNITS[unit]) + + def get_tokens_unprocessed(self, text): + scanner = Scanner(text, re.DOTALL | re.MULTILINE | re.IGNORECASE) + stack = ['initial'] + in_function_block = False + in_property_block = False + was_dot = False + next_token_is_function = False + next_token_is_property = False + collect_labels = False + block_labels = set() + brace_balance = [0, 0] + + while not scanner.eos: + token = Error + + if stack[-1] == 'initial': + if scanner.scan(r'\s+'): + token = Text + elif scanner.scan(r'\{.*?\}|\(\*.*?\*\)'): + if scanner.match.startswith('$'): + token = Comment.Preproc + else: + token = Comment.Multiline + elif scanner.scan(r'//.*?$'): + token = Comment.Single + elif scanner.scan(r'[-+*\/=<>:;,.@\^]'): + token = Operator + # stop label highlighting on next ";" + if collect_labels and scanner.match == ';': + collect_labels = False + elif scanner.scan(r'[\(\)\[\]]+'): + token = Punctuation + # abort function naming ``foo = Function(...)`` + next_token_is_function = False + # if we are in a function block we count the open + # braces because ootherwise it's impossible to + # determine the end of the modifier context + if in_function_block or in_property_block: + if scanner.match == '(': + brace_balance[0] += 1 + elif scanner.match == ')': + brace_balance[0] -= 1 + elif scanner.match == '[': + brace_balance[1] += 1 + elif scanner.match == ']': + brace_balance[1] -= 1 + elif scanner.scan(r'[A-Za-z_][A-Za-z_0-9]*'): + lowercase_name = scanner.match.lower() + if lowercase_name == 'result': + token = Name.Builtin.Pseudo + elif lowercase_name in self.keywords: + token = Keyword + # if we are in a special block and a + # block ending keyword occours (and the parenthesis + # is balanced) we end the current block context + if (in_function_block or in_property_block) and \ + lowercase_name in self.BLOCK_KEYWORDS and \ + brace_balance[0] <= 0 and \ + brace_balance[1] <= 0: + in_function_block = False + in_property_block = False + brace_balance = [0, 0] + block_labels = set() + if lowercase_name in ('label', 'goto'): + collect_labels = True + elif lowercase_name == 'asm': + stack.append('asm') + elif lowercase_name == 'property': + in_property_block = True + next_token_is_property = True + elif lowercase_name in ('procedure', 'operator', + 'function', 'constructor', + 'destructor'): + in_function_block = True + next_token_is_function = True + # we are in a function block and the current name + # is in the set of registered modifiers. highlight + # it as pseudo keyword + elif in_function_block and \ + lowercase_name in self.FUNCTION_MODIFIERS: + token = Keyword.Pseudo + # if we are in a property highlight some more + # modifiers + elif in_property_block and \ + lowercase_name in ('read', 'write'): + token = Keyword.Pseudo + next_token_is_function = True + # if the last iteration set next_token_is_function + # to true we now want this name highlighted as + # function. so do that and reset the state + elif next_token_is_function: + # Look if the next token is a dot. If yes it's + # not a function, but a class name and the + # part after the dot a function name + if scanner.test(r'\s*\.\s*'): + token = Name.Class + # it's not a dot, our job is done + else: + token = Name.Function + next_token_is_function = False + # same for properties + elif next_token_is_property: + token = Name.Property + next_token_is_property = False + # Highlight this token as label and add it + # to the list of known labels + elif collect_labels: + token = Name.Label + block_labels.add(scanner.match.lower()) + # name is in list of known labels + elif lowercase_name in block_labels: + token = Name.Label + elif lowercase_name in self.BUILTIN_TYPES: + token = Keyword.Type + elif lowercase_name in self.DIRECTIVES: + token = Keyword.Pseudo + # builtins are just builtins if the token + # before isn't a dot + elif not was_dot and lowercase_name in self.builtins: + token = Name.Builtin + else: + token = Name + elif scanner.scan(r"'"): + token = String + stack.append('string') + elif scanner.scan(r'\#(\d+|\$[0-9A-Fa-f]+)'): + token = String.Char + elif scanner.scan(r'\$[0-9A-Fa-f]+'): + token = Number.Hex + elif scanner.scan(r'\d+(?![eE]|\.[^.])'): + token = Number.Integer + elif scanner.scan(r'\d+(\.\d+([eE][+-]?\d+)?|[eE][+-]?\d+)'): + token = Number.Float + else: + # if the stack depth is deeper than once, pop + if len(stack) > 1: + stack.pop() + scanner.get_char() + + elif stack[-1] == 'string': + if scanner.scan(r"''"): + token = String.Escape + elif scanner.scan(r"'"): + token = String + stack.pop() + elif scanner.scan(r"[^']*"): + token = String + else: + scanner.get_char() + stack.pop() + + elif stack[-1] == 'asm': + if scanner.scan(r'\s+'): + token = Text + elif scanner.scan(r'end'): + token = Keyword + stack.pop() + elif scanner.scan(r'\{.*?\}|\(\*.*?\*\)'): + if scanner.match.startswith('$'): + token = Comment.Preproc + else: + token = Comment.Multiline + elif scanner.scan(r'//.*?$'): + token = Comment.Single + elif scanner.scan(r"'"): + token = String + stack.append('string') + elif scanner.scan(r'@@[A-Za-z_][A-Za-z_0-9]*'): + token = Name.Label + elif scanner.scan(r'[A-Za-z_][A-Za-z_0-9]*'): + lowercase_name = scanner.match.lower() + if lowercase_name in self.ASM_INSTRUCTIONS: + token = Keyword + elif lowercase_name in self.ASM_REGISTERS: + token = Name.Builtin + else: + token = Name + elif scanner.scan(r'[-+*\/=<>:;,.@\^]+'): + token = Operator + elif scanner.scan(r'[\(\)\[\]]+'): + token = Punctuation + elif scanner.scan(r'\$[0-9A-Fa-f]+'): + token = Number.Hex + elif scanner.scan(r'\d+(?![eE]|\.[^.])'): + token = Number.Integer + elif scanner.scan(r'\d+(\.\d+([eE][+-]?\d+)?|[eE][+-]?\d+)'): + token = Number.Float + else: + scanner.get_char() + stack.pop() + + # save the dot!!!11 + if scanner.match.strip(): + was_dot = scanner.match == '.' + yield scanner.start_pos, token, scanner.match or '' + + +class Modula2Lexer(RegexLexer): + """ + For `Modula-2 <http://www.modula2.org/>`_ source code. + + Additional options that determine which keywords are highlighted: + + `pim` + Select PIM Modula-2 dialect (default: True). + `iso` + Select ISO Modula-2 dialect (default: False). + `objm2` + Select Objective Modula-2 dialect (default: False). + `gm2ext` + Also highlight GNU extensions (default: False). + + .. versionadded:: 1.3 + """ + name = 'Modula-2' + aliases = ['modula2', 'm2'] + filenames = ['*.def', '*.mod'] + mimetypes = ['text/x-modula2'] + + flags = re.MULTILINE | re.DOTALL + + tokens = { + 'whitespace': [ + (r'\n+', Text), # blank lines + (r'\s+', Text), # whitespace + ], + 'identifiers': [ + (r'([a-zA-Z_$][\w$]*)', Name), + ], + 'numliterals': [ + (r'[01]+B', Number.Bin), # binary number (ObjM2) + (r'[0-7]+B', Number.Oct), # octal number (PIM + ISO) + (r'[0-7]+C', Number.Oct), # char code (PIM + ISO) + (r'[0-9A-F]+C', Number.Hex), # char code (ObjM2) + (r'[0-9A-F]+H', Number.Hex), # hexadecimal number + (r'[0-9]+\.[0-9]+E[+-][0-9]+', Number.Float), # real number + (r'[0-9]+\.[0-9]+', Number.Float), # real number + (r'[0-9]+', Number.Integer), # decimal whole number + ], + 'strings': [ + (r"'(\\\\|\\'|[^'])*'", String), # single quoted string + (r'"(\\\\|\\"|[^"])*"', String), # double quoted string + ], + 'operators': [ + (r'[*/+=#~&<>\^-]', Operator), + (r':=', Operator), # assignment + (r'@', Operator), # pointer deref (ISO) + (r'\.\.', Operator), # ellipsis or range + (r'`', Operator), # Smalltalk message (ObjM2) + (r'::', Operator), # type conversion (ObjM2) + ], + 'punctuation': [ + (r'[()\[\]{},.:;|]', Punctuation), + ], + 'comments': [ + (r'//.*?\n', Comment.Single), # ObjM2 + (r'/\*(.*?)\*/', Comment.Multiline), # ObjM2 + (r'\(\*([^$].*?)\*\)', Comment.Multiline), + # TO DO: nesting of (* ... *) comments + ], + 'pragmas': [ + (r'\(\*\$(.*?)\*\)', Comment.Preproc), # PIM + (r'<\*(.*?)\*>', Comment.Preproc), # ISO + ObjM2 + ], + 'root': [ + include('whitespace'), + include('comments'), + include('pragmas'), + include('identifiers'), + include('numliterals'), + include('strings'), + include('operators'), + include('punctuation'), + ] + } + + pim_reserved_words = [ + # 40 reserved words + 'AND', 'ARRAY', 'BEGIN', 'BY', 'CASE', 'CONST', 'DEFINITION', + 'DIV', 'DO', 'ELSE', 'ELSIF', 'END', 'EXIT', 'EXPORT', 'FOR', + 'FROM', 'IF', 'IMPLEMENTATION', 'IMPORT', 'IN', 'LOOP', 'MOD', + 'MODULE', 'NOT', 'OF', 'OR', 'POINTER', 'PROCEDURE', 'QUALIFIED', + 'RECORD', 'REPEAT', 'RETURN', 'SET', 'THEN', 'TO', 'TYPE', + 'UNTIL', 'VAR', 'WHILE', 'WITH', + ] + + pim_pervasives = [ + # 31 pervasives + 'ABS', 'BITSET', 'BOOLEAN', 'CAP', 'CARDINAL', 'CHAR', 'CHR', 'DEC', + 'DISPOSE', 'EXCL', 'FALSE', 'FLOAT', 'HALT', 'HIGH', 'INC', 'INCL', + 'INTEGER', 'LONGINT', 'LONGREAL', 'MAX', 'MIN', 'NEW', 'NIL', 'ODD', + 'ORD', 'PROC', 'REAL', 'SIZE', 'TRUE', 'TRUNC', 'VAL', + ] + + iso_reserved_words = [ + # 46 reserved words + 'AND', 'ARRAY', 'BEGIN', 'BY', 'CASE', 'CONST', 'DEFINITION', 'DIV', + 'DO', 'ELSE', 'ELSIF', 'END', 'EXCEPT', 'EXIT', 'EXPORT', 'FINALLY', + 'FOR', 'FORWARD', 'FROM', 'IF', 'IMPLEMENTATION', 'IMPORT', 'IN', + 'LOOP', 'MOD', 'MODULE', 'NOT', 'OF', 'OR', 'PACKEDSET', 'POINTER', + 'PROCEDURE', 'QUALIFIED', 'RECORD', 'REPEAT', 'REM', 'RETRY', + 'RETURN', 'SET', 'THEN', 'TO', 'TYPE', 'UNTIL', 'VAR', 'WHILE', + 'WITH', + ] + + iso_pervasives = [ + # 42 pervasives + 'ABS', 'BITSET', 'BOOLEAN', 'CAP', 'CARDINAL', 'CHAR', 'CHR', 'CMPLX', + 'COMPLEX', 'DEC', 'DISPOSE', 'EXCL', 'FALSE', 'FLOAT', 'HALT', 'HIGH', + 'IM', 'INC', 'INCL', 'INT', 'INTEGER', 'INTERRUPTIBLE', 'LENGTH', + 'LFLOAT', 'LONGCOMPLEX', 'LONGINT', 'LONGREAL', 'MAX', 'MIN', 'NEW', + 'NIL', 'ODD', 'ORD', 'PROC', 'PROTECTION', 'RE', 'REAL', 'SIZE', + 'TRUE', 'TRUNC', 'UNINTERRUBTIBLE', 'VAL', + ] + + objm2_reserved_words = [ + # base language, 42 reserved words + 'AND', 'ARRAY', 'BEGIN', 'BY', 'CASE', 'CONST', 'DEFINITION', 'DIV', + 'DO', 'ELSE', 'ELSIF', 'END', 'ENUM', 'EXIT', 'FOR', 'FROM', 'IF', + 'IMMUTABLE', 'IMPLEMENTATION', 'IMPORT', 'IN', 'IS', 'LOOP', 'MOD', + 'MODULE', 'NOT', 'OF', 'OPAQUE', 'OR', 'POINTER', 'PROCEDURE', + 'RECORD', 'REPEAT', 'RETURN', 'SET', 'THEN', 'TO', 'TYPE', + 'UNTIL', 'VAR', 'VARIADIC', 'WHILE', + # OO extensions, 16 reserved words + 'BYCOPY', 'BYREF', 'CLASS', 'CONTINUE', 'CRITICAL', 'INOUT', 'METHOD', + 'ON', 'OPTIONAL', 'OUT', 'PRIVATE', 'PROTECTED', 'PROTOCOL', 'PUBLIC', + 'SUPER', 'TRY', + ] + + objm2_pervasives = [ + # base language, 38 pervasives + 'ABS', 'BITSET', 'BOOLEAN', 'CARDINAL', 'CHAR', 'CHR', 'DISPOSE', + 'FALSE', 'HALT', 'HIGH', 'INTEGER', 'INRANGE', 'LENGTH', 'LONGCARD', + 'LONGINT', 'LONGREAL', 'MAX', 'MIN', 'NEG', 'NEW', 'NEXTV', 'NIL', + 'OCTET', 'ODD', 'ORD', 'PRED', 'PROC', 'READ', 'REAL', 'SUCC', 'TMAX', + 'TMIN', 'TRUE', 'TSIZE', 'UNICHAR', 'VAL', 'WRITE', 'WRITEF', + # OO extensions, 3 pervasives + 'OBJECT', 'NO', 'YES', + ] + + gnu_reserved_words = [ + # 10 additional reserved words + 'ASM', '__ATTRIBUTE__', '__BUILTIN__', '__COLUMN__', '__DATE__', + '__FILE__', '__FUNCTION__', '__LINE__', '__MODULE__', 'VOLATILE', + ] + + gnu_pervasives = [ + # 21 identifiers, actually from pseudo-module SYSTEM + # but we will highlight them as if they were pervasives + 'BITSET8', 'BITSET16', 'BITSET32', 'CARDINAL8', 'CARDINAL16', + 'CARDINAL32', 'CARDINAL64', 'COMPLEX32', 'COMPLEX64', 'COMPLEX96', + 'COMPLEX128', 'INTEGER8', 'INTEGER16', 'INTEGER32', 'INTEGER64', + 'REAL8', 'REAL16', 'REAL32', 'REAL96', 'REAL128', 'THROW', + ] + + def __init__(self, **options): + self.reserved_words = set() + self.pervasives = set() + # ISO Modula-2 + if get_bool_opt(options, 'iso', False): + self.reserved_words.update(self.iso_reserved_words) + self.pervasives.update(self.iso_pervasives) + # Objective Modula-2 + elif get_bool_opt(options, 'objm2', False): + self.reserved_words.update(self.objm2_reserved_words) + self.pervasives.update(self.objm2_pervasives) + # PIM Modula-2 (DEFAULT) + else: + self.reserved_words.update(self.pim_reserved_words) + self.pervasives.update(self.pim_pervasives) + # GNU extensions + if get_bool_opt(options, 'gm2ext', False): + self.reserved_words.update(self.gnu_reserved_words) + self.pervasives.update(self.gnu_pervasives) + # initialise + RegexLexer.__init__(self, **options) + + def get_tokens_unprocessed(self, text): + for index, token, value in RegexLexer.get_tokens_unprocessed(self, text): + # check for reserved words and pervasives + if token is Name: + if value in self.reserved_words: + token = Keyword.Reserved + elif value in self.pervasives: + token = Keyword.Pervasive + # return result + yield index, token, value + + +class AdaLexer(RegexLexer): + """ + For Ada source code. + + .. versionadded:: 1.3 + """ + + name = 'Ada' + aliases = ['ada', 'ada95', 'ada2005'] + filenames = ['*.adb', '*.ads', '*.ada'] + mimetypes = ['text/x-ada'] + + flags = re.MULTILINE | re.IGNORECASE + + tokens = { + 'root': [ + (r'[^\S\n]+', Text), + (r'--.*?\n', Comment.Single), + (r'[^\S\n]+', Text), + (r'function|procedure|entry', Keyword.Declaration, 'subprogram'), + (r'(subtype|type)(\s+)(\w+)', + bygroups(Keyword.Declaration, Text, Keyword.Type), 'type_def'), + (r'task|protected', Keyword.Declaration), + (r'(subtype)(\s+)', bygroups(Keyword.Declaration, Text)), + (r'(end)(\s+)', bygroups(Keyword.Reserved, Text), 'end'), + (r'(pragma)(\s+)(\w+)', bygroups(Keyword.Reserved, Text, + Comment.Preproc)), + (r'(true|false|null)\b', Keyword.Constant), + (words(( + 'Address', 'Byte', 'Boolean', 'Character', 'Controlled', 'Count', 'Cursor', + 'Duration', 'File_Mode', 'File_Type', 'Float', 'Generator', 'Integer', 'Long_Float', + 'Long_Integer', 'Long_Long_Float', 'Long_Long_Integer', 'Natural', 'Positive', + 'Reference_Type', 'Short_Float', 'Short_Integer', 'Short_Short_Float', + 'Short_Short_Integer', 'String', 'Wide_Character', 'Wide_String'), suffix=r'\b'), + Keyword.Type), + (r'(and(\s+then)?|in|mod|not|or(\s+else)|rem)\b', Operator.Word), + (r'generic|private', Keyword.Declaration), + (r'package', Keyword.Declaration, 'package'), + (r'array\b', Keyword.Reserved, 'array_def'), + (r'(with|use)(\s+)', bygroups(Keyword.Namespace, Text), 'import'), + (r'(\w+)(\s*)(:)(\s*)(constant)', + bygroups(Name.Constant, Text, Punctuation, Text, + Keyword.Reserved)), + (r'<<\w+>>', Name.Label), + (r'(\w+)(\s*)(:)(\s*)(declare|begin|loop|for|while)', + bygroups(Name.Label, Text, Punctuation, Text, Keyword.Reserved)), + (words(( + 'abort', 'abs', 'abstract', 'accept', 'access', 'aliased', 'all', + 'array', 'at', 'begin', 'body', 'case', 'constant', 'declare', + 'delay', 'delta', 'digits', 'do', 'else', 'elsif', 'end', 'entry', + 'exception', 'exit', 'interface', 'for', 'goto', 'if', 'is', 'limited', + 'loop', 'new', 'null', 'of', 'or', 'others', 'out', 'overriding', + 'pragma', 'protected', 'raise', 'range', 'record', 'renames', 'requeue', + 'return', 'reverse', 'select', 'separate', 'subtype', 'synchronized', + 'task', 'tagged', 'terminate', 'then', 'type', 'until', 'when', + 'while', 'xor'), prefix=r'\b', suffix=r'\b'), + Keyword.Reserved), + (r'"[^"]*"', String), + include('attribute'), + include('numbers'), + (r"'[^']'", String.Character), + (r'(\w+)(\s*|[(,])', bygroups(Name, using(this))), + (r"(<>|=>|:=|[()|:;,.'])", Punctuation), + (r'[*<>+=/&-]', Operator), + (r'\n+', Text), + ], + 'numbers': [ + (r'[0-9_]+#[0-9a-f]+#', Number.Hex), + (r'[0-9_]+\.[0-9_]*', Number.Float), + (r'[0-9_]+', Number.Integer), + ], + 'attribute': [ + (r"(')(\w+)", bygroups(Punctuation, Name.Attribute)), + ], + 'subprogram': [ + (r'\(', Punctuation, ('#pop', 'formal_part')), + (r';', Punctuation, '#pop'), + (r'is\b', Keyword.Reserved, '#pop'), + (r'"[^"]+"|\w+', Name.Function), + include('root'), + ], + 'end': [ + ('(if|case|record|loop|select)', Keyword.Reserved), + ('"[^"]+"|[\w.]+', Name.Function), + ('\s+', Text), + (';', Punctuation, '#pop'), + ], + 'type_def': [ + (r';', Punctuation, '#pop'), + (r'\(', Punctuation, 'formal_part'), + (r'with|and|use', Keyword.Reserved), + (r'array\b', Keyword.Reserved, ('#pop', 'array_def')), + (r'record\b', Keyword.Reserved, ('record_def')), + (r'(null record)(;)', bygroups(Keyword.Reserved, Punctuation), '#pop'), + include('root'), + ], + 'array_def': [ + (r';', Punctuation, '#pop'), + (r'(\w+)(\s+)(range)', bygroups(Keyword.Type, Text, Keyword.Reserved)), + include('root'), + ], + 'record_def': [ + (r'end record', Keyword.Reserved, '#pop'), + include('root'), + ], + 'import': [ + (r'[\w.]+', Name.Namespace, '#pop'), + default('#pop'), + ], + 'formal_part': [ + (r'\)', Punctuation, '#pop'), + (r'\w+', Name.Variable), + (r',|:[^=]', Punctuation), + (r'(in|not|null|out|access)\b', Keyword.Reserved), + include('root'), + ], + 'package': [ + ('body', Keyword.Declaration), + ('is\s+new|renames', Keyword.Reserved), + ('is', Keyword.Reserved, '#pop'), + (';', Punctuation, '#pop'), + ('\(', Punctuation, 'package_instantiation'), + ('([\w.]+)', Name.Class), + include('root'), + ], + 'package_instantiation': [ + (r'("[^"]+"|\w+)(\s+)(=>)', bygroups(Name.Variable, Text, Punctuation)), + (r'[\w.\'"]', Text), + (r'\)', Punctuation, '#pop'), + include('root'), + ], + }