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pascal.py
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# -*- coding: utf-8 -*-
"""
pygments.lexers.pascal
~~~~~~~~~~~~~~~~~~~~~~
Lexers for Pascal family languages.
:copyright: Copyright 2006-2020 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
# compatibility import
from pygments.lexers.modula2 import Modula2Lexer
__all__ = ['DelphiLexer', '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', '*.dpr']
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 = {
'begin', 'class', 'const', 'constructor', 'destructor', 'end',
'finalization', 'function', 'implementation', 'initialization',
'label', 'library', 'operator', 'procedure', 'program', 'property',
'record', 'threadvar', 'type', 'unit', 'uses', 'var'
}
FUNCTION_MODIFIERS = {
'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 = {
'absolute', 'abstract', 'assembler', 'cppdecl', 'default', 'far',
'far16', 'forward', 'index', 'oldfpccall', 'private', 'protected',
'published', 'public'
}
BUILTIN_TYPES = {
'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 = {
'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 = {
'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 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', 'some', '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),
(r'"[^"]+"|[\w.]+', Name.Function),
(r'\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),
(r'is\s+new|renames', Keyword.Reserved),
('is', Keyword.Reserved, '#pop'),
(';', Punctuation, '#pop'),
(r'\(', Punctuation, 'package_instantiation'),
(r'([\w.]+)', Name.Class),
include('root'),
],
'package_instantiation': [
(r'("[^"]+"|\w+)(\s+)(=>)', bygroups(Name.Variable, Text, Punctuation)),
(r'[\w.\'"]', Text),
(r'\)', Punctuation, '#pop'),
include('root'),
],
}