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dylan.py
""" pygments.lexers.dylan ~~~~~~~~~~~~~~~~~~~~~ Lexers for the Dylan language. :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS. :license: BSD, see LICENSE for details. """ import re from pygments.lexer import Lexer, RegexLexer, bygroups, do_insertions, \ default, line_re from pygments.token import Comment, Operator, Keyword, Name, String, \ Number, Punctuation, Generic, Literal, Whitespace __all__ = ['DylanLexer', 'DylanConsoleLexer', 'DylanLidLexer'] class DylanLexer(RegexLexer): """ For the Dylan language. .. versionadded:: 0.7 """ name = 'Dylan' url = 'http://www.opendylan.org/' aliases = ['dylan'] filenames = ['*.dylan', '*.dyl', '*.intr'] mimetypes = ['text/x-dylan'] flags = re.IGNORECASE builtins = { 'subclass', 'abstract', 'block', 'concrete', 'constant', 'class', 'compiler-open', 'compiler-sideways', 'domain', 'dynamic', 'each-subclass', 'exception', 'exclude', 'function', 'generic', 'handler', 'inherited', 'inline', 'inline-only', 'instance', 'interface', 'import', 'keyword', 'library', 'macro', 'method', 'module', 'open', 'primary', 'required', 'sealed', 'sideways', 'singleton', 'slot', 'thread', 'variable', 'virtual'} keywords = { 'above', 'afterwards', 'begin', 'below', 'by', 'case', 'cleanup', 'create', 'define', 'else', 'elseif', 'end', 'export', 'finally', 'for', 'from', 'if', 'in', 'let', 'local', 'otherwise', 'rename', 'select', 'signal', 'then', 'to', 'unless', 'until', 'use', 'when', 'while'} operators = { '~', '+', '-', '*', '|', '^', '=', '==', '~=', '~==', '<', '<=', '>', '>=', '&', '|'} functions = { 'abort', 'abs', 'add', 'add!', 'add-method', 'add-new', 'add-new!', 'all-superclasses', 'always', 'any?', 'applicable-method?', 'apply', 'aref', 'aref-setter', 'as', 'as-lowercase', 'as-lowercase!', 'as-uppercase', 'as-uppercase!', 'ash', 'backward-iteration-protocol', 'break', 'ceiling', 'ceiling/', 'cerror', 'check-type', 'choose', 'choose-by', 'complement', 'compose', 'concatenate', 'concatenate-as', 'condition-format-arguments', 'condition-format-string', 'conjoin', 'copy-sequence', 'curry', 'default-handler', 'dimension', 'dimensions', 'direct-subclasses', 'direct-superclasses', 'disjoin', 'do', 'do-handlers', 'element', 'element-setter', 'empty?', 'error', 'even?', 'every?', 'false-or', 'fill!', 'find-key', 'find-method', 'first', 'first-setter', 'floor', 'floor/', 'forward-iteration-protocol', 'function-arguments', 'function-return-values', 'function-specializers', 'gcd', 'generic-function-mandatory-keywords', 'generic-function-methods', 'head', 'head-setter', 'identity', 'initialize', 'instance?', 'integral?', 'intersection', 'key-sequence', 'key-test', 'last', 'last-setter', 'lcm', 'limited', 'list', 'logand', 'logbit?', 'logior', 'lognot', 'logxor', 'make', 'map', 'map-as', 'map-into', 'max', 'member?', 'merge-hash-codes', 'min', 'modulo', 'negative', 'negative?', 'next-method', 'object-class', 'object-hash', 'odd?', 'one-of', 'pair', 'pop', 'pop-last', 'positive?', 'push', 'push-last', 'range', 'rank', 'rcurry', 'reduce', 'reduce1', 'remainder', 'remove', 'remove!', 'remove-duplicates', 'remove-duplicates!', 'remove-key!', 'remove-method', 'replace-elements!', 'replace-subsequence!', 'restart-query', 'return-allowed?', 'return-description', 'return-query', 'reverse', 'reverse!', 'round', 'round/', 'row-major-index', 'second', 'second-setter', 'shallow-copy', 'signal', 'singleton', 'size', 'size-setter', 'slot-initialized?', 'sort', 'sort!', 'sorted-applicable-methods', 'subsequence-position', 'subtype?', 'table-protocol', 'tail', 'tail-setter', 'third', 'third-setter', 'truncate', 'truncate/', 'type-error-expected-type', 'type-error-value', 'type-for-copy', 'type-union', 'union', 'values', 'vector', 'zero?'} valid_name = '\\\\?[\\w!&*<>|^$%@\\-+~?/=]+' def get_tokens_unprocessed(self, text): for index, token, value in RegexLexer.get_tokens_unprocessed(self, text): if token is Name: lowercase_value = value.lower() if lowercase_value in self.builtins: yield index, Name.Builtin, value continue if lowercase_value in self.keywords: yield index, Keyword, value continue if lowercase_value in self.functions: yield index, Name.Builtin, value continue if lowercase_value in self.operators: yield index, Operator, value continue yield index, token, value tokens = { 'root': [ # Whitespace (r'\s+', Whitespace), # single line comment (r'//.*?\n', Comment.Single), # lid header (r'([a-z0-9-]+)(:)([ \t]*)(.*(?:\n[ \t].+)*)', bygroups(Name.Attribute, Operator, Whitespace, String)), default('code') # no header match, switch to code ], 'code': [ # Whitespace (r'\s+', Whitespace), # single line comment (r'(//.*?)(\n)', bygroups(Comment.Single, Whitespace)), # multi-line comment (r'/\*', Comment.Multiline, 'comment'), # strings and characters (r'"', String, 'string'), (r"'(\\.|\\[0-7]{1,3}|\\x[a-f0-9]{1,2}|[^\\\'\n])'", String.Char), # binary integer (r'#b[01]+', Number.Bin), # octal integer (r'#o[0-7]+', Number.Oct), # floating point (r'[-+]?(\d*\.\d+(e[-+]?\d+)?|\d+(\.\d*)?e[-+]?\d+)', Number.Float), # decimal integer (r'[-+]?\d+', Number.Integer), # hex integer (r'#x[0-9a-f]+', Number.Hex), # Macro parameters (r'(\?' + valid_name + ')(:)' r'(token|name|variable|expression|body|case-body|\*)', bygroups(Name.Tag, Operator, Name.Builtin)), (r'(\?)(:)(token|name|variable|expression|body|case-body|\*)', bygroups(Name.Tag, Operator, Name.Builtin)), (r'\?' + valid_name, Name.Tag), # Punctuation (r'(=>|::|#\(|#\[|##|\?\?|\?=|\?|[(){}\[\],.;])', Punctuation), # Most operators are picked up as names and then re-flagged. # This one isn't valid in a name though, so we pick it up now. (r':=', Operator), # Pick up #t / #f before we match other stuff with #. (r'#[tf]', Literal), # #"foo" style keywords (r'#"', String.Symbol, 'keyword'), # #rest, #key, #all-keys, etc. (r'#[a-z0-9-]+', Keyword), # required-init-keyword: style keywords. (valid_name + ':', Keyword), # class names ('<' + valid_name + '>', Name.Class), # define variable forms. (r'\*' + valid_name + r'\*', Name.Variable.Global), # define constant forms. (r'\$' + valid_name, Name.Constant), # everything else. We re-flag some of these in the method above. (valid_name, Name), ], 'comment': [ (r'[^*/]+', Comment.Multiline), (r'/\*', Comment.Multiline, '#push'), (r'\*/', Comment.Multiline, '#pop'), (r'[*/]', Comment.Multiline) ], 'keyword': [ (r'"', String.Symbol, '#pop'), (r'[^\\"]+', String.Symbol), # all other characters ], 'string': [ (r'"', String, '#pop'), (r'\\([\\abfnrtv"\']|x[a-f0-9]{2,4}|[0-7]{1,3})', String.Escape), (r'[^\\"\n]+', String), # all other characters (r'\\\n', String), # line continuation (r'\\', String), # stray backslash ] } class DylanLidLexer(RegexLexer): """ For Dylan LID (Library Interchange Definition) files. .. versionadded:: 1.6 """ name = 'DylanLID' aliases = ['dylan-lid', 'lid'] filenames = ['*.lid', '*.hdp'] mimetypes = ['text/x-dylan-lid'] flags = re.IGNORECASE tokens = { 'root': [ # Whitespace (r'\s+', Whitespace), # single line comment (r'(//.*?)(\n)', bygroups(Comment.Single, Whitespace)), # lid header (r'(.*?)(:)([ \t]*)(.*(?:\n[ \t].+)*)', bygroups(Name.Attribute, Operator, Whitespace, String)), ] } class DylanConsoleLexer(Lexer): """ For Dylan interactive console output. This is based on a copy of the RubyConsoleLexer. .. versionadded:: 1.6 """ name = 'Dylan session' aliases = ['dylan-console', 'dylan-repl'] filenames = ['*.dylan-console'] mimetypes = ['text/x-dylan-console'] _example = 'dylan-console/console' _prompt_re = re.compile(r'\?| ') def get_tokens_unprocessed(self, text): dylexer = DylanLexer(**self.options) curcode = '' insertions = [] for match in line_re.finditer(text): line = match.group() m = self._prompt_re.match(line) if m is not None: end = m.end() insertions.append((len(curcode), [(0, Generic.Prompt, line[:end])])) curcode += line[end:] else: if curcode: yield from do_insertions(insertions, dylexer.get_tokens_unprocessed(curcode)) curcode = '' insertions = [] yield match.start(), Generic.Output, line if curcode: yield from do_insertions(insertions, dylexer.get_tokens_unprocessed(curcode))
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