codekingpro/portable-devtools

1"""2    pygments.lexers.prolog3    ~~~~~~~~~~~~~~~~~~~~~~4 5    Lexers for Prolog and Prolog-like languages.6 7    :copyright: Copyright 2006-2024 by the Pygments team, see AUTHORS.8    :license: BSD, see LICENSE for details.9"""10 11import re12 13from pygments.lexer import RegexLexer, bygroups14from pygments.token import Text, Comment, Operator, Keyword, Name, String, \15    Number, Punctuation16 17__all__ = ['PrologLexer', 'LogtalkLexer']18 19 20class PrologLexer(RegexLexer):21    """22    Lexer for Prolog files.23    """24    name = 'Prolog'25    aliases = ['prolog']26    filenames = ['*.ecl', '*.prolog', '*.pro', '*.pl']27    mimetypes = ['text/x-prolog']28    url = 'https://en.wikipedia.org/wiki/Prolog'29    version_added = ''30 31    tokens = {32        'root': [33            (r'/\*', Comment.Multiline, 'nested-comment'),34            (r'%.*', Comment.Single),35            # character literal36            (r'0\'.', String.Char),37            (r'0b[01]+', Number.Bin),38            (r'0o[0-7]+', Number.Oct),39            (r'0x[0-9a-fA-F]+', Number.Hex),40            # literal with prepended base41            (r'\d\d?\'[a-zA-Z0-9]+', Number.Integer),42            (r'(\d+\.\d*|\d*\.\d+)([eE][+-]?[0-9]+)?', Number.Float),43            (r'\d+', Number.Integer),44            (r'[\[\](){}|.,;!]', Punctuation),45            (r':-|-->', Punctuation),46            (r'"(?:\\x[0-9a-fA-F]+\\|\\u[0-9a-fA-F]{4}|\\U[0-9a-fA-F]{8}|'47             r'\\[0-7]+\\|\\["\\abcefnrstv]|[^\\"])*"', String.Double),48            (r"'(?:''|[^'])*'", String.Atom),  # quoted atom49            # Needs to not be followed by an atom.50            # (r'=(?=\s|[a-zA-Z\[])', Operator),51            (r'is\b', Operator),52            (r'(<|>|=<|>=|==|=:=|=|/|//|\*|\+|-)(?=\s|[a-zA-Z0-9\[])',53             Operator),54            (r'(mod|div|not)\b', Operator),55            (r'_', Keyword),  # The don't-care variable56            (r'([a-z]+)(:)', bygroups(Name.Namespace, Punctuation)),57            (r'([a-z\u00c0-\u1fff\u3040-\ud7ff\ue000-\uffef]'58             r'[\w$\u00c0-\u1fff\u3040-\ud7ff\ue000-\uffef]*)'59             r'(\s*)(:-|-->)',60             bygroups(Name.Function, Text, Operator)),  # function defn61            (r'([a-z\u00c0-\u1fff\u3040-\ud7ff\ue000-\uffef]'62             r'[\w$\u00c0-\u1fff\u3040-\ud7ff\ue000-\uffef]*)'63             r'(\s*)(\()',64             bygroups(Name.Function, Text, Punctuation)),65            (r'[a-z\u00c0-\u1fff\u3040-\ud7ff\ue000-\uffef]'66             r'[\w$\u00c0-\u1fff\u3040-\ud7ff\ue000-\uffef]*',67             String.Atom),  # atom, characters68            # This one includes !69            (r'[#&*+\-./:<=>?@\\^~\u00a1-\u00bf\u2010-\u303f]+',70             String.Atom),  # atom, graphics71            (r'[A-Z_]\w*', Name.Variable),72            (r'\s+|[\u2000-\u200f\ufff0-\ufffe\uffef]', Text),73        ],74        'nested-comment': [75            (r'\*/', Comment.Multiline, '#pop'),76            (r'/\*', Comment.Multiline, '#push'),77            (r'[^*/]+', Comment.Multiline),78            (r'[*/]', Comment.Multiline),79        ],80    }81 82    def analyse_text(text):83        """Competes with IDL and Visual Prolog on *.pro"""84        if ':-' in text:85            # Visual Prolog also uses :-86            return 0.587        else:88            return 089 90 91class LogtalkLexer(RegexLexer):92    """93    For Logtalk source code.94    """95 96    name = 'Logtalk'97    url = 'http://logtalk.org/'98    aliases = ['logtalk']99    filenames = ['*.lgt', '*.logtalk']100    mimetypes = ['text/x-logtalk']101    version_added = '0.10'102 103    tokens = {104        'root': [105            # Directives106            (r'^\s*:-\s', Punctuation, 'directive'),107            # Comments108            (r'%.*?\n', Comment),109            (r'/\*(.|\n)*?\*/', Comment),110            # Whitespace111            (r'\n', Text),112            (r'\s+', Text),113            # Numbers114            (r"0'[\\]?.", Number),115            (r'0b[01]+', Number.Bin),116            (r'0o[0-7]+', Number.Oct),117            (r'0x[0-9a-fA-F]+', Number.Hex),118            (r'\d+\.?\d*((e|E)(\+|-)?\d+)?', Number),119            # Variables120            (r'([A-Z_][a-zA-Z0-9_]*)', Name.Variable),121            # Event handlers122            (r'(after|before)(?=[(])', Keyword),123            # Message forwarding handler124            (r'forward(?=[(])', Keyword),125            # Execution-context methods126            (r'(context|parameter|this|se(lf|nder))(?=[(])', Keyword),127            # Reflection128            (r'(current_predicate|predicate_property)(?=[(])', Keyword),129            # DCGs and term expansion130            (r'(expand_(goal|term)|(goal|term)_expansion|phrase)(?=[(])', Keyword),131            # Entity132            (r'(abolish|c(reate|urrent))_(object|protocol|category)(?=[(])', Keyword),133            (r'(object|protocol|category)_property(?=[(])', Keyword),134            # Entity relations135            (r'co(mplements_object|nforms_to_protocol)(?=[(])', Keyword),136            (r'extends_(object|protocol|category)(?=[(])', Keyword),137            (r'imp(lements_protocol|orts_category)(?=[(])', Keyword),138            (r'(instantiat|specializ)es_class(?=[(])', Keyword),139            # Events140            (r'(current_event|(abolish|define)_events)(?=[(])', Keyword),141            # Flags142            (r'(create|current|set)_logtalk_flag(?=[(])', Keyword),143            # Compiling, loading, and library paths144            (r'logtalk_(compile|l(ibrary_path|oad|oad_context)|make(_target_action)?)(?=[(])', Keyword),145            (r'\blogtalk_make\b', Keyword),146            # Database147            (r'(clause|retract(all)?)(?=[(])', Keyword),148            (r'a(bolish|ssert(a|z))(?=[(])', Keyword),149            # Control constructs150            (r'(ca(ll|tch)|throw)(?=[(])', Keyword),151            (r'(fa(il|lse)|true|(instantiation|system)_error)\b', Keyword),152            (r'(uninstantiation|type|domain|existence|permission|representation|evaluation|resource|syntax)_error(?=[(])', Keyword),153            # All solutions154            (r'((bag|set)of|f(ind|or)all)(?=[(])', Keyword),155            # Multi-threading predicates156            (r'threaded(_(ca(ll|ncel)|once|ignore|exit|peek|wait|notify))?(?=[(])', Keyword),157            # Engine predicates158            (r'threaded_engine(_(create|destroy|self|next|next_reified|yield|post|fetch))?(?=[(])', Keyword),159            # Term unification160            (r'(subsumes_term|unify_with_occurs_check)(?=[(])', Keyword),161            # Term creation and decomposition162            (r'(functor|arg|copy_term|numbervars|term_variables)(?=[(])', Keyword),163            # Evaluable functors164            (r'(div|rem|m(ax|in|od)|abs|sign)(?=[(])', Keyword),165            (r'float(_(integer|fractional)_part)?(?=[(])', Keyword),166            (r'(floor|t(an|runcate)|round|ceiling)(?=[(])', Keyword),167            # Other arithmetic functors168            (r'(cos|a(cos|sin|tan|tan2)|exp|log|s(in|qrt)|xor)(?=[(])', Keyword),169            # Term testing170            (r'(var|atom(ic)?|integer|float|c(allable|ompound)|n(onvar|umber)|ground|acyclic_term)(?=[(])', Keyword),171            # Term comparison172            (r'compare(?=[(])', Keyword),173            # Stream selection and control174            (r'(curren|se)t_(in|out)put(?=[(])', Keyword),175            (r'(open|close)(?=[(])', Keyword),176            (r'flush_output(?=[(])', Keyword),177            (r'(at_end_of_stream|flush_output)\b', Keyword),178            (r'(stream_property|at_end_of_stream|set_stream_position)(?=[(])', Keyword),179            # Character and byte input/output180            (r'(nl|(get|peek|put)_(byte|c(har|ode)))(?=[(])', Keyword),181            (r'\bnl\b', Keyword),182            # Term input/output183            (r'read(_term)?(?=[(])', Keyword),184            (r'write(q|_(canonical|term))?(?=[(])', Keyword),185            (r'(current_)?op(?=[(])', Keyword),186            (r'(current_)?char_conversion(?=[(])', Keyword),187            # Atomic term processing188            (r'atom_(length|c(hars|o(ncat|des)))(?=[(])', Keyword),189            (r'(char_code|sub_atom)(?=[(])', Keyword),190            (r'number_c(har|ode)s(?=[(])', Keyword),191            # Implementation defined hooks functions192            (r'(se|curren)t_prolog_flag(?=[(])', Keyword),193            (r'\bhalt\b', Keyword),194            (r'halt(?=[(])', Keyword),195            # Message sending operators196            (r'(::|:|\^\^)', Operator),197            # External call198            (r'[{}]', Keyword),199            # Logic and control200            (r'(ignore|once)(?=[(])', Keyword),201            (r'\brepeat\b', Keyword),202            # Sorting203            (r'(key)?sort(?=[(])', Keyword),204            # Bitwise functors205            (r'(>>|<<|/\\|\\\\|\\)', Operator),206            # Predicate aliases207            (r'\bas\b', Operator),208            # Arithmetic evaluation209            (r'\bis\b', Keyword),210            # Arithmetic comparison211            (r'(=:=|=\\=|<|=<|>=|>)', Operator),212            # Term creation and decomposition213            (r'=\.\.', Operator),214            # Term unification215            (r'(=|\\=)', Operator),216            # Term comparison217            (r'(==|\\==|@=<|@<|@>=|@>)', Operator),218            # Evaluable functors219            (r'(//|[-+*/])', Operator),220            (r'\b(e|pi|div|mod|rem)\b', Operator),221            # Other arithmetic functors222            (r'\b\*\*\b', Operator),223            # DCG rules224            (r'-->', Operator),225            # Control constructs226            (r'([!;]|->)', Operator),227            # Logic and control228            (r'\\+', Operator),229            # Mode operators230            (r'[?@]', Operator),231            # Existential quantifier232            (r'\^', Operator),233            # Punctuation234            (r'[()\[\],.|]', Text),235            # Atoms236            (r"[a-z][a-zA-Z0-9_]*", Text),237            (r"'", String, 'quoted_atom'),238            # Double-quoted terms239            (r'"', String, 'double_quoted_term'),240        ],241 242        'quoted_atom': [243            (r"''", String),244            (r"'", String, '#pop'),245            (r'\\([\\abfnrtv"\']|(x[a-fA-F0-9]+|[0-7]+)\\)', String.Escape),246            (r"[^\\'\n]+", String),247            (r'\\', String),248        ],249 250        'double_quoted_term': [251            (r'""', String),252            (r'"', String, '#pop'),253            (r'\\([\\abfnrtv"\']|(x[a-fA-F0-9]+|[0-7]+)\\)', String.Escape),254            (r'[^\\"\n]+', String),255            (r'\\', String),256        ],257 258        'directive': [259            # Conditional compilation directives260            (r'(el)?if(?=[(])', Keyword, 'root'),261            (r'(e(lse|ndif))(?=[.])', Keyword, 'root'),262            # Entity directives263            (r'(category|object|protocol)(?=[(])', Keyword, 'entityrelations'),264            (r'(end_(category|object|protocol))(?=[.])', Keyword, 'root'),265            # Predicate scope directives266            (r'(public|protected|private)(?=[(])', Keyword, 'root'),267            # Other directives268            (r'e(n(coding|sure_loaded)|xport)(?=[(])', Keyword, 'root'),269            (r'in(clude|itialization|fo)(?=[(])', Keyword, 'root'),270            (r'(built_in|dynamic|synchronized|threaded)(?=[.])', Keyword, 'root'),271            (r'(alias|d(ynamic|iscontiguous)|m(eta_(non_terminal|predicate)|ode|ultifile)|s(et_(logtalk|prolog)_flag|ynchronized))(?=[(])', Keyword, 'root'),272            (r'op(?=[(])', Keyword, 'root'),273            (r'(c(alls|oinductive)|module|reexport|use(s|_module))(?=[(])', Keyword, 'root'),274            (r'[a-z][a-zA-Z0-9_]*(?=[(])', Text, 'root'),275            (r'[a-z][a-zA-Z0-9_]*(?=[.])', Text, 'root'),276        ],277 278        'entityrelations': [279            (r'(complements|extends|i(nstantiates|mp(lements|orts))|specializes)(?=[(])', Keyword),280            # Numbers281            (r"0'[\\]?.", Number),282            (r'0b[01]+', Number.Bin),283            (r'0o[0-7]+', Number.Oct),284            (r'0x[0-9a-fA-F]+', Number.Hex),285            (r'\d+\.?\d*((e|E)(\+|-)?\d+)?', Number),286            # Variables287            (r'([A-Z_][a-zA-Z0-9_]*)', Name.Variable),288            # Atoms289            (r"[a-z][a-zA-Z0-9_]*", Text),290            (r"'", String, 'quoted_atom'),291            # Double-quoted terms292            (r'"', String, 'double_quoted_term'),293            # End of entity-opening directive294            (r'([)]\.)', Text, 'root'),295            # Scope operator296            (r'(::)', Operator),297            # Punctuation298            (r'[()\[\],.|]', Text),299            # Comments300            (r'%.*?\n', Comment),301            (r'/\*(.|\n)*?\*/', Comment),302            # Whitespace303            (r'\n', Text),304            (r'\s+', Text),305        ]306    }307 308    def analyse_text(text):309        if ':- object(' in text:310            return 1.0311        elif ':- protocol(' in text:312            return 1.0313        elif ':- category(' in text:314            return 1.0315        elif re.search(r'^:-\s[a-z]', text, re.M):316            return 0.9317        else:318            return 0.0319