diff -r a3cf077a8db3 -r 25f42e208e08 eric6/ThirdParty/Pygments/pygments/lexers/yang.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eric6/ThirdParty/Pygments/pygments/lexers/yang.py Tue Sep 15 19:09:05 2020 +0200
@@ -0,0 +1,104 @@
+# -*- coding: utf-8 -*-
+"""
+ pygments.lexers.yang
+ ~~~~~~~~~~~~~~~~~~~~
+
+ Lexer for the YANG 1.1 modeling language. See :rfc:`7950`.
+
+ :copyright: Copyright 2006-2020 by the Pygments team, see AUTHORS.
+ :license: BSD, see LICENSE for details.
+"""
+
+from pygments.lexer import (RegexLexer, bygroups, words)
+from pygments.token import (Text, Token, Name, String, Comment,
+ Number)
+
+__all__ = ['YangLexer']
+
+class YangLexer(RegexLexer):
+ """
+ Lexer for `YANG <https://tools.ietf.org/html/rfc7950/>`_, based on RFC7950
+
+ .. versionadded:: 2.7
+ """
+ name = 'YANG'
+ aliases = ['yang']
+ filenames = ['*.yang']
+ mimetypes = ['application/yang']
+
+ #Keywords from RFC7950 ; oriented at BNF style
+ TOP_STMTS_KEYWORDS = ("module", "submodule")
+ MODULE_HEADER_STMT_KEYWORDS = ("belongs-to", "namespace", "prefix", "yang-version")
+ META_STMT_KEYWORDS = ("contact", "description", "organization",
+ "reference", "revision")
+ LINKAGE_STMTS_KEYWORDS = ("import", "include", "revision-date")
+ BODY_STMT_KEYWORDS = ("action", "argument", "augment", "deviation",
+ "extension", "feature", "grouping", "identity",
+ "if-feature", "input", "notification", "output",
+ "rpc", "typedef")
+ DATA_DEF_STMT_KEYWORDS = ("anydata", "anyxml", "case", "choice",
+ "config", "container", "deviate", "leaf",
+ "leaf-list", "list", "must", "presence",
+ "refine", "uses", "when")
+ TYPE_STMT_KEYWORDS = ("base", "bit", "default", "enum", "error-app-tag",
+ "error-message", "fraction-digits", "length",
+ "max-elements", "min-elements", "modifier",
+ "ordered-by", "path", "pattern", "position",
+ "range", "require-instance", "status", "type",
+ "units", "value", "yin-element")
+ LIST_STMT_KEYWORDS = ("key", "mandatory", "unique")
+
+ #RFC7950 other keywords
+ CONSTANTS_KEYWORDS = ("add", "current", "delete", "deprecated", "false",
+ "invert-match", "max", "min", "not-supported",
+ "obsolete", "replace", "true", "unbounded", "user")
+
+ #RFC7950 Built-In Types
+ TYPES = ("binary", "bits", "boolean", "decimal64", "empty", "enumeration",
+ "identityref", "instance-identifier", "int16", "int32", "int64",
+ "int8", "leafref", "string", "uint16", "uint32", "uint64",
+ "uint8", "union")
+
+ suffix_re_pattern = r'(?=[^\w\-:])'
+
+ tokens = {
+ 'comments': [
+ (r'[^*/]', Comment),
+ (r'/\*', Comment, '#push'),
+ (r'\*/', Comment, '#pop'),
+ (r'[*/]', Comment),
+ ],
+ "root": [
+ (r'\s+', Text.Whitespace),
+ (r'[{};]+', Token.Punctuation),
+ (r'(?<![\-\w])(and|or|not|\+|\.)(?![\-\w])', Token.Operator),
+
+ (r'"(?:\\"|[^"])*?"', String.Double),
+ (r"'(?:\\'|[^'])*?'", String.Single),
+
+ (r'/\*', Comment, 'comments'),
+ (r'//.*?$', Comment),
+
+ #match BNF stmt for `node-identifier` with [ prefix ":"]
+ (r'(?:^|(?<=[\s{};]))([\w.-]+)(:)([\w.-]+)(?=[\s{};])',
+ bygroups(Name.Namespace, Token.Punctuation, Name.Variable)),
+
+ #match BNF stmt `date-arg-str`
+ (r'([0-9]{4}\-[0-9]{2}\-[0-9]{2})(?=[\s{};])', Name.Label),
+ (r'([0-9]+\.[0-9]+)(?=[\s{};])', Number.Float),
+ (r'([0-9]+)(?=[\s{};])', Number.Integer),
+
+ (words(TOP_STMTS_KEYWORDS, suffix=suffix_re_pattern), Token.Keyword),
+ (words(MODULE_HEADER_STMT_KEYWORDS, suffix=suffix_re_pattern), Token.Keyword),
+ (words(META_STMT_KEYWORDS, suffix=suffix_re_pattern), Token.Keyword),
+ (words(LINKAGE_STMTS_KEYWORDS, suffix=suffix_re_pattern), Token.Keyword),
+ (words(BODY_STMT_KEYWORDS, suffix=suffix_re_pattern), Token.Keyword),
+ (words(DATA_DEF_STMT_KEYWORDS, suffix=suffix_re_pattern), Token.Keyword),
+ (words(TYPE_STMT_KEYWORDS, suffix=suffix_re_pattern), Token.Keyword),
+ (words(LIST_STMT_KEYWORDS, suffix=suffix_re_pattern), Token.Keyword),
+ (words(TYPES, suffix=suffix_re_pattern), Name.Class),
+ (words(CONSTANTS_KEYWORDS, suffix=suffix_re_pattern), Name.Class),
+
+ (r'[^;{}\s\'"]+', Name.Variable),
+ ]
+ }
