codekingpro/portable-devtools

1"""2    pygments.lexers.vip3    ~~~~~~~~~~~~~~~~~~~4 5    Lexers for Visual Prolog & Grammar files.6 7    :copyright: Copyright 2006-present by the Pygments team, see AUTHORS.8    :license: BSD, see LICENSE for details.9"""10 11import re12 13from pygments.lexer import RegexLexer, inherit, words, include14from pygments.token import Text, Comment, Operator, Keyword, Name, String, \15    Number, Punctuation, Whitespace16 17__all__ = ['VisualPrologLexer', 'VisualPrologGrammarLexer']18 19 20class VisualPrologBaseLexer(RegexLexer):21    minorendkw = ('try', 'foreach', 'if')22    minorkwexp = ('and', 'catch', 'do', 'else', 'elseif', 'erroneous', 'externally', 'failure', 'finally', 'foreach', 'if', 'or', 'orelse', 'otherwise', 'then',23                  'try', 'div', 'mod', 'rem', 'quot')24    dockw = ('short', 'detail', 'end', 'withdomain')25    tokens = {26        'root': [27            (r'\s+', Whitespace),28            (words(minorendkw, prefix=r'\bend\s+', suffix=r'\b'), Keyword.Minor),29            (r'end', Keyword),30            (words(minorkwexp, suffix=r'\b'), Keyword.Minor),31            (r'0[xo][\da-fA-F_]+', Number),32            (r'((\d[\d_]*)?\.)?\d[\d_]*([eE][\-+]?\d+)?', Number),33            (r'_\w*', Name.Variable.Anonymous),34            (r'[A-Z]\w*', Name.Variable),35            (r'@\w+', Name.Variable),36            (r'[a-z]\w*', Name),37            (r'/\*', Comment, 'comment'),38            (r'\%', Comment, 'commentline'),39            (r'"', String.Symbol, 'string'),40            (r'\'', String.Symbol, 'stringsingle'),41            (r'@"', String.Symbol, 'atstring'),42            (r'[\-+*^/!?<>=~:]+', Operator),43            (r'[$,.[\]|(){}\\]+', Punctuation),44            (r'.', Text),45        ],46        'commentdoc': [47            (words(dockw, prefix=r'@', suffix=r'\b'), Comment.Preproc),48            (r'@', Comment),49        ],50        'commentline': [51            include('commentdoc'),52            (r'[^@\n]+', Comment),53            (r'$', Comment, '#pop'),54        ],55        'comment': [56            include('commentdoc'),57            (r'[^@*/]+', Comment),58            (r'/\*', Comment, '#push'),59            (r'\*/', Comment, '#pop'),60            (r'[*/]', Comment),61        ],62        'stringescape': [63            (r'\\u[0-9a-fA-F]{4}', String.Escape),64            (r'\\[\'"ntr\\]', String.Escape),65        ],66        'stringsingle': [67            include('stringescape'),68            (r'\'', String.Symbol, '#pop'),69            (r'[^\'\\\n]+', String),70            (r'\n', String.Escape.Error, '#pop'),71        ],72        'string': [73            include('stringescape'),74            (r'"', String.Symbol, '#pop'),75            (r'[^"\\\n]+', String),76            (r'\n', String.Escape.Error, '#pop'),77        ],78        'atstring': [79            (r'""', String.Escape),80            (r'"', String.Symbol, '#pop'),81            (r'[^"]+', String),82        ]83    }84 85 86class VisualPrologLexer(VisualPrologBaseLexer):87    """Lexer for VisualProlog88    """89    name = 'Visual Prolog'90    url = 'https://www.visual-prolog.com/'91    aliases = ['visualprolog']92    filenames = ['*.pro', '*.cl', '*.i', '*.pack', '*.ph']93    version_added = '2.17'94 95    majorkw = ('goal', 'namespace', 'interface', 'class', 'implement', 'where', 'open', 'inherits', 'supports', 'resolve',96               'delegate', 'monitor', 'constants', 'domains', 'predicates', 'constructors', 'properties', 'clauses', 'facts')97    minorkw = ('align', 'anyflow', 'as', 'bitsize', 'determ', 'digits', 'erroneous', 'externally', 'failure', 'from',98               'guard', 'multi', 'nondeterm', 'or', 'orelse', 'otherwise', 'procedure', 'resolve', 'single', 'suspending')99    directivekw = ('bininclude', 'else', 'elseif', 'endif', 'error', 'export', 'externally', 'from', 'grammargenerate',100                   'grammarinclude', 'if', 'include', 'message', 'options', 'orrequires', 'requires', 'stringinclude', 'then')101    tokens = {102        'root': [103            (words(minorkw, suffix=r'\b'), Keyword.Minor),104            (words(majorkw, suffix=r'\b'), Keyword),105            (words(directivekw, prefix='#', suffix=r'\b'), Keyword.Directive),106            inherit107        ]108    }109 110    def analyse_text(text):111        """Competes with IDL and Prolog on *.pro; div. lisps on*.cl and SwigLexer on *.i"""112        # These are *really* good indicators (and not conflicting with the other languages)113        # end-scope first on line e.g. 'end implement'114        # section keyword alone on line e.g. 'clauses'115        if re.search(r'^\s*(end\s+(interface|class|implement)|(clauses|predicates|domains|facts|constants|properties)\s*$)', text):116            return 0.98117        else:118            return 0119 120 121class VisualPrologGrammarLexer(VisualPrologBaseLexer):122    """Lexer for VisualProlog grammar123    """124 125    name = 'Visual Prolog Grammar'126    url = 'https://www.visual-prolog.com/'127    aliases = ['visualprologgrammar']128    filenames = ['*.vipgrm']129    version_added = '2.17'130 131    majorkw = ('open', 'namespace', 'grammar', 'nonterminals',132               'startsymbols', 'terminals', 'rules', 'precedence')133    directivekw = ('bininclude', 'stringinclude')134    tokens = {135        'root': [136            (words(majorkw, suffix=r'\b'), Keyword),137            (words(directivekw, prefix='#', suffix=r'\b'), Keyword.Directive),138            inherit139        ]140    }141 142    def analyse_text(text):143        """No competditors (currently)"""144        # These are *really* good indicators145        # end-scope first on line e.g. 'end grammar'146        # section keyword alone on line e.g. 'rules'147        if re.search(r'^\s*(end\s+grammar|(nonterminals|startsymbols|terminals|rules|precedence)\s*$)', text):148            return 0.98149        else:150            return 0151