Mercurial Repositories > eric / file comparison
comparison: eric6/ThirdParty/Pygments/pygments/lexers/yang.py
eric6/ThirdParty/Pygments/pygments/lexers/yang.py
- changeset 7701
- 25f42e208e08
- child 7983
- 54c5cfbb1e29
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| 7700:a3cf077a8db3 | 7701:25f42e208e08 |
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| 1 # -*- coding: utf-8 -*- | |
| 2 """ | |
| 3 pygments.lexers.yang | |
| 4 ~~~~~~~~~~~~~~~~~~~~ | |
| 5 | |
| 6 Lexer for the YANG 1.1 modeling language. See :rfc:`7950`. | |
| 7 | |
| 8 :copyright: Copyright 2006-2020 by the Pygments team, see AUTHORS. | |
| 9 :license: BSD, see LICENSE for details. | |
| 10 """ | |
| 11 | |
| 12 from pygments.lexer import (RegexLexer, bygroups, words) | |
| 13 from pygments.token import (Text, Token, Name, String, Comment, | |
| 14 Number) | |
| 15 | |
| 16 __all__ = ['YangLexer'] | |
| 17 | |
| 18 class YangLexer(RegexLexer): | |
| 19 """ | |
| 20 Lexer for `YANG <https://tools.ietf.org/html/rfc7950/>`_, based on RFC7950 | |
| 21 | |
| 22 .. versionadded:: 2.7 | |
| 23 """ | |
| 24 name = 'YANG' | |
| 25 aliases = ['yang'] | |
| 26 filenames = ['*.yang'] | |
| 27 mimetypes = ['application/yang'] | |
| 28 | |
| 29 #Keywords from RFC7950 ; oriented at BNF style | |
| 30 TOP_STMTS_KEYWORDS = ("module", "submodule") | |
| 31 MODULE_HEADER_STMT_KEYWORDS = ("belongs-to", "namespace", "prefix", "yang-version") | |
| 32 META_STMT_KEYWORDS = ("contact", "description", "organization", | |
| 33 "reference", "revision") | |
| 34 LINKAGE_STMTS_KEYWORDS = ("import", "include", "revision-date") | |
| 35 BODY_STMT_KEYWORDS = ("action", "argument", "augment", "deviation", | |
| 36 "extension", "feature", "grouping", "identity", | |
| 37 "if-feature", "input", "notification", "output", | |
| 38 "rpc", "typedef") | |
| 39 DATA_DEF_STMT_KEYWORDS = ("anydata", "anyxml", "case", "choice", | |
| 40 "config", "container", "deviate", "leaf", | |
| 41 "leaf-list", "list", "must", "presence", | |
| 42 "refine", "uses", "when") | |
| 43 TYPE_STMT_KEYWORDS = ("base", "bit", "default", "enum", "error-app-tag", | |
| 44 "error-message", "fraction-digits", "length", | |
| 45 "max-elements", "min-elements", "modifier", | |
| 46 "ordered-by", "path", "pattern", "position", | |
| 47 "range", "require-instance", "status", "type", | |
| 48 "units", "value", "yin-element") | |
| 49 LIST_STMT_KEYWORDS = ("key", "mandatory", "unique") | |
| 50 | |
| 51 #RFC7950 other keywords | |
| 52 CONSTANTS_KEYWORDS = ("add", "current", "delete", "deprecated", "false", | |
| 53 "invert-match", "max", "min", "not-supported", | |
| 54 "obsolete", "replace", "true", "unbounded", "user") | |
| 55 | |
| 56 #RFC7950 Built-In Types | |
| 57 TYPES = ("binary", "bits", "boolean", "decimal64", "empty", "enumeration", | |
| 58 "identityref", "instance-identifier", "int16", "int32", "int64", | |
| 59 "int8", "leafref", "string", "uint16", "uint32", "uint64", | |
| 60 "uint8", "union") | |
| 61 | |
| 62 suffix_re_pattern = r'(?=[^\w\-:])' | |
| 63 | |
| 64 tokens = { | |
| 65 'comments': [ | |
| 66 (r'[^*/]', Comment), | |
| 67 (r'/\*', Comment, '#push'), | |
| 68 (r'\*/', Comment, '#pop'), | |
| 69 (r'[*/]', Comment), | |
| 70 ], | |
| 71 "root": [ | |
| 72 (r'\s+', Text.Whitespace), | |
| 73 (r'[{};]+', Token.Punctuation), | |
| 74 (r'(?<![\-\w])(and|or|not|\+|\.)(?![\-\w])', Token.Operator), | |
| 75 | |
| 76 (r'"(?:\\"|[^"])*?"', String.Double), | |
| 77 (r"'(?:\\'|[^'])*?'", String.Single), | |
| 78 | |
| 79 (r'/\*', Comment, 'comments'), | |
| 80 (r'//.*?$', Comment), | |
| 81 | |
| 82 #match BNF stmt for `node-identifier` with [ prefix ":"] | |
| 83 (r'(?:^|(?<=[\s{};]))([\w.-]+)(:)([\w.-]+)(?=[\s{};])', | |
| 84 bygroups(Name.Namespace, Token.Punctuation, Name.Variable)), | |
| 85 | |
| 86 #match BNF stmt `date-arg-str` | |
| 87 (r'([0-9]{4}\-[0-9]{2}\-[0-9]{2})(?=[\s{};])', Name.Label), | |
| 88 (r'([0-9]+\.[0-9]+)(?=[\s{};])', Number.Float), | |
| 89 (r'([0-9]+)(?=[\s{};])', Number.Integer), | |
| 90 | |
| 91 (words(TOP_STMTS_KEYWORDS, suffix=suffix_re_pattern), Token.Keyword), | |
| 92 (words(MODULE_HEADER_STMT_KEYWORDS, suffix=suffix_re_pattern), Token.Keyword), | |
| 93 (words(META_STMT_KEYWORDS, suffix=suffix_re_pattern), Token.Keyword), | |
| 94 (words(LINKAGE_STMTS_KEYWORDS, suffix=suffix_re_pattern), Token.Keyword), | |
| 95 (words(BODY_STMT_KEYWORDS, suffix=suffix_re_pattern), Token.Keyword), | |
| 96 (words(DATA_DEF_STMT_KEYWORDS, suffix=suffix_re_pattern), Token.Keyword), | |
| 97 (words(TYPE_STMT_KEYWORDS, suffix=suffix_re_pattern), Token.Keyword), | |
| 98 (words(LIST_STMT_KEYWORDS, suffix=suffix_re_pattern), Token.Keyword), | |
| 99 (words(TYPES, suffix=suffix_re_pattern), Name.Class), | |
| 100 (words(CONSTANTS_KEYWORDS, suffix=suffix_re_pattern), Name.Class), | |
| 101 | |
| 102 (r'[^;{}\s\'"]+', Name.Variable), | |
| 103 ] | |
| 104 } |
