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288 lines
10 KiB
Python
288 lines
10 KiB
Python
2 years ago
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"""
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pygments.lexers.dylan
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~~~~~~~~~~~~~~~~~~~~~
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Lexers for the Dylan language.
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:copyright: Copyright 2006-2022 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import re
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from pygments.lexer import Lexer, RegexLexer, bygroups, do_insertions, default
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from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
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Number, Punctuation, Generic, Literal, Whitespace
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__all__ = ['DylanLexer', 'DylanConsoleLexer', 'DylanLidLexer']
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class DylanLexer(RegexLexer):
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"""
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For the Dylan language.
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.. versionadded:: 0.7
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"""
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name = 'Dylan'
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url = 'http://www.opendylan.org/'
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aliases = ['dylan']
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filenames = ['*.dylan', '*.dyl', '*.intr']
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mimetypes = ['text/x-dylan']
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flags = re.IGNORECASE
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builtins = {
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'subclass', 'abstract', 'block', 'concrete', 'constant', 'class',
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'compiler-open', 'compiler-sideways', 'domain', 'dynamic',
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'each-subclass', 'exception', 'exclude', 'function', 'generic',
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'handler', 'inherited', 'inline', 'inline-only', 'instance',
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'interface', 'import', 'keyword', 'library', 'macro', 'method',
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'module', 'open', 'primary', 'required', 'sealed', 'sideways',
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'singleton', 'slot', 'thread', 'variable', 'virtual'}
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keywords = {
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'above', 'afterwards', 'begin', 'below', 'by', 'case', 'cleanup',
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'create', 'define', 'else', 'elseif', 'end', 'export', 'finally',
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'for', 'from', 'if', 'in', 'let', 'local', 'otherwise', 'rename',
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'select', 'signal', 'then', 'to', 'unless', 'until', 'use', 'when',
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'while'}
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operators = {
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'~', '+', '-', '*', '|', '^', '=', '==', '~=', '~==', '<', '<=',
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'>', '>=', '&', '|'}
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functions = {
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'abort', 'abs', 'add', 'add!', 'add-method', 'add-new', 'add-new!',
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'all-superclasses', 'always', 'any?', 'applicable-method?', 'apply',
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'aref', 'aref-setter', 'as', 'as-lowercase', 'as-lowercase!',
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'as-uppercase', 'as-uppercase!', 'ash', 'backward-iteration-protocol',
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'break', 'ceiling', 'ceiling/', 'cerror', 'check-type', 'choose',
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'choose-by', 'complement', 'compose', 'concatenate', 'concatenate-as',
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'condition-format-arguments', 'condition-format-string', 'conjoin',
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'copy-sequence', 'curry', 'default-handler', 'dimension', 'dimensions',
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'direct-subclasses', 'direct-superclasses', 'disjoin', 'do',
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'do-handlers', 'element', 'element-setter', 'empty?', 'error', 'even?',
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'every?', 'false-or', 'fill!', 'find-key', 'find-method', 'first',
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'first-setter', 'floor', 'floor/', 'forward-iteration-protocol',
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'function-arguments', 'function-return-values',
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'function-specializers', 'gcd', 'generic-function-mandatory-keywords',
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'generic-function-methods', 'head', 'head-setter', 'identity',
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'initialize', 'instance?', 'integral?', 'intersection',
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'key-sequence', 'key-test', 'last', 'last-setter', 'lcm', 'limited',
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'list', 'logand', 'logbit?', 'logior', 'lognot', 'logxor', 'make',
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'map', 'map-as', 'map-into', 'max', 'member?', 'merge-hash-codes',
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'min', 'modulo', 'negative', 'negative?', 'next-method',
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'object-class', 'object-hash', 'odd?', 'one-of', 'pair', 'pop',
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'pop-last', 'positive?', 'push', 'push-last', 'range', 'rank',
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'rcurry', 'reduce', 'reduce1', 'remainder', 'remove', 'remove!',
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'remove-duplicates', 'remove-duplicates!', 'remove-key!',
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'remove-method', 'replace-elements!', 'replace-subsequence!',
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'restart-query', 'return-allowed?', 'return-description',
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'return-query', 'reverse', 'reverse!', 'round', 'round/',
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'row-major-index', 'second', 'second-setter', 'shallow-copy',
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'signal', 'singleton', 'size', 'size-setter', 'slot-initialized?',
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'sort', 'sort!', 'sorted-applicable-methods', 'subsequence-position',
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'subtype?', 'table-protocol', 'tail', 'tail-setter', 'third',
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'third-setter', 'truncate', 'truncate/', 'type-error-expected-type',
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'type-error-value', 'type-for-copy', 'type-union', 'union', 'values',
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'vector', 'zero?'}
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valid_name = '\\\\?[\\w!&*<>|^$%@\\-+~?/=]+'
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def get_tokens_unprocessed(self, text):
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for index, token, value in RegexLexer.get_tokens_unprocessed(self, text):
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if token is Name:
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lowercase_value = value.lower()
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if lowercase_value in self.builtins:
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yield index, Name.Builtin, value
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continue
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if lowercase_value in self.keywords:
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yield index, Keyword, value
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continue
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if lowercase_value in self.functions:
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yield index, Name.Builtin, value
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continue
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if lowercase_value in self.operators:
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yield index, Operator, value
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continue
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yield index, token, value
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tokens = {
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'root': [
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# Whitespace
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(r'\s+', Whitespace),
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# single line comment
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(r'//.*?\n', Comment.Single),
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# lid header
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(r'([a-z0-9-]+)(:)([ \t]*)(.*(?:\n[ \t].+)*)',
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bygroups(Name.Attribute, Operator, Whitespace, String)),
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default('code') # no header match, switch to code
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],
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'code': [
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# Whitespace
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(r'\s+', Whitespace),
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# single line comment
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(r'(//.*?)(\n)', bygroups(Comment.Single, Whitespace)),
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# multi-line comment
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(r'/\*', Comment.Multiline, 'comment'),
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# strings and characters
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(r'"', String, 'string'),
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(r"'(\\.|\\[0-7]{1,3}|\\x[a-f0-9]{1,2}|[^\\\'\n])'", String.Char),
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# binary integer
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(r'#b[01]+', Number.Bin),
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# octal integer
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(r'#o[0-7]+', Number.Oct),
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# floating point
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(r'[-+]?(\d*\.\d+(e[-+]?\d+)?|\d+(\.\d*)?e[-+]?\d+)', Number.Float),
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# decimal integer
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(r'[-+]?\d+', Number.Integer),
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# hex integer
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(r'#x[0-9a-f]+', Number.Hex),
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# Macro parameters
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(r'(\?' + valid_name + ')(:)'
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r'(token|name|variable|expression|body|case-body|\*)',
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bygroups(Name.Tag, Operator, Name.Builtin)),
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(r'(\?)(:)(token|name|variable|expression|body|case-body|\*)',
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bygroups(Name.Tag, Operator, Name.Builtin)),
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(r'\?' + valid_name, Name.Tag),
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# Punctuation
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(r'(=>|::|#\(|#\[|##|\?\?|\?=|\?|[(){}\[\],.;])', Punctuation),
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# Most operators are picked up as names and then re-flagged.
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# This one isn't valid in a name though, so we pick it up now.
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(r':=', Operator),
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# Pick up #t / #f before we match other stuff with #.
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(r'#[tf]', Literal),
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# #"foo" style keywords
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(r'#"', String.Symbol, 'keyword'),
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# #rest, #key, #all-keys, etc.
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(r'#[a-z0-9-]+', Keyword),
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# required-init-keyword: style keywords.
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(valid_name + ':', Keyword),
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# class names
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('<' + valid_name + '>', Name.Class),
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# define variable forms.
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(r'\*' + valid_name + r'\*', Name.Variable.Global),
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# define constant forms.
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(r'\$' + valid_name, Name.Constant),
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# everything else. We re-flag some of these in the method above.
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(valid_name, Name),
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],
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'comment': [
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(r'[^*/]+', Comment.Multiline),
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(r'/\*', Comment.Multiline, '#push'),
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(r'\*/', Comment.Multiline, '#pop'),
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(r'[*/]', Comment.Multiline)
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],
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'keyword': [
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(r'"', String.Symbol, '#pop'),
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(r'[^\\"]+', String.Symbol), # all other characters
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],
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'string': [
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(r'"', String, '#pop'),
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(r'\\([\\abfnrtv"\']|x[a-f0-9]{2,4}|[0-7]{1,3})', String.Escape),
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(r'[^\\"\n]+', String), # all other characters
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(r'\\\n', String), # line continuation
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(r'\\', String), # stray backslash
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]
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}
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class DylanLidLexer(RegexLexer):
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"""
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For Dylan LID (Library Interchange Definition) files.
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.. versionadded:: 1.6
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"""
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name = 'DylanLID'
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aliases = ['dylan-lid', 'lid']
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filenames = ['*.lid', '*.hdp']
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mimetypes = ['text/x-dylan-lid']
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flags = re.IGNORECASE
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tokens = {
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'root': [
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# Whitespace
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(r'\s+', Whitespace),
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# single line comment
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(r'(//.*?)(\n)', bygroups(Comment.Single, Whitespace)),
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# lid header
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(r'(.*?)(:)([ \t]*)(.*(?:\n[ \t].+)*)',
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bygroups(Name.Attribute, Operator, Whitespace, String)),
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]
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}
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class DylanConsoleLexer(Lexer):
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"""
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For Dylan interactive console output like:
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.. sourcecode:: dylan-console
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? let a = 1;
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=> 1
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? a
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=> 1
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This is based on a copy of the RubyConsoleLexer.
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.. versionadded:: 1.6
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"""
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name = 'Dylan session'
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aliases = ['dylan-console', 'dylan-repl']
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filenames = ['*.dylan-console']
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mimetypes = ['text/x-dylan-console']
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_line_re = re.compile('.*?\n')
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_prompt_re = re.compile(r'\?| ')
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def get_tokens_unprocessed(self, text):
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dylexer = DylanLexer(**self.options)
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curcode = ''
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insertions = []
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for match in self._line_re.finditer(text):
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line = match.group()
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m = self._prompt_re.match(line)
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if m is not None:
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end = m.end()
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insertions.append((len(curcode),
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[(0, Generic.Prompt, line[:end])]))
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curcode += line[end:]
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else:
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if curcode:
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yield from do_insertions(insertions,
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dylexer.get_tokens_unprocessed(curcode))
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curcode = ''
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insertions = []
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yield match.start(), Generic.Output, line
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if curcode:
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yield from do_insertions(insertions,
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dylexer.get_tokens_unprocessed(curcode))
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