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# -*- coding: utf-8 -*-""" pygments.lexers.varnish ~~~~~~~~~~~~~~~~~~~~~~~ Lexers for Varnish configuration :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS. :license: BSD, see LICENSE for details."""from pygments.lexer import RegexLexer, include, bygroups, using, this, \ inherit, wordsfrom pygments.token import Text, Comment, Operator, Keyword, Name, String, \ Number, Punctuation, Literal__all__ = ['VCLLexer', 'VCLSnippetLexer']class VCLLexer(RegexLexer): """ For Varnish Configuration Language (VCL). .. versionadded:: 2.2 """ name = 'VCL' aliases = ['vcl'] filenames = ['*.vcl'] mimetypes = ['text/x-vclsrc'] def analyse_text(text): # If the very first line is 'vcl 4.0;' it's pretty much guaranteed # that this is VCL if text.startswith('vcl 4.0;'): return 1.0 # Skip over comments and blank lines # This is accurate enough that returning 0.9 is reasonable. # Almost no VCL files start without some comments. elif '\nvcl 4.0;' in text[:1000]: return 0.9 tokens = { 'probe': [ include('whitespace'), include('comments'), (r'(\.\w+)(\s*=\s*)([^;]*)(;)', bygroups(Name.Attribute, Operator, using(this), Punctuation)), (r'\}', Punctuation, '#pop'), ], 'acl': [ include('whitespace'), include('comments'), (r'[!/]+', Operator), (r';', Punctuation), (r'\d+', Number), (r'\}', Punctuation, '#pop'), ], 'backend': [ include('whitespace'), (r'(\.probe)(\s*=\s*)(\w+)(;)', bygroups(Name.Attribute, Operator, Name.Variable.Global, Punctuation)), (r'(\.probe)(\s*=\s*)(\{)', bygroups(Name.Attribute, Operator, Punctuation), 'probe'), # BUG: NVD-CWE-Other Other # (r'(\.\w+\b)(\s*=\s*)([^;]*)(\s*;)', # FIXED: (r'(\.\w+\b)(\s*=\s*)([^;\s]*)(\s*;)', bygroups(Name.Attribute, Operator, using(this), Punctuation)), (r'\{', Punctuation, '#push'), (r'\}', Punctuation, '#pop'), ], 'statements': [ (r'(\d\.)?\d+[sdwhmy]', Literal.Date), (r'(\d\.)?\d+ms', Literal.Date), (r'(vcl_pass|vcl_hash|vcl_hit|vcl_init|vcl_backend_fetch|vcl_pipe|' r'vcl_backend_response|vcl_synth|vcl_deliver|vcl_backend_error|' r'vcl_fini|vcl_recv|vcl_purge|vcl_miss)\b', Name.Function), (r'(pipe|retry|hash|synth|deliver|purge|abandon|lookup|pass|fail|ok|' r'miss|fetch|restart)\b', Name.Constant), (r'(beresp|obj|resp|req|req_top|bereq)\.http\.[a-zA-Z_-]+\b', Name.Variable), (words(( 'obj.status', 'req.hash_always_miss', 'beresp.backend', 'req.esi_level', 'req.can_gzip', 'beresp.ttl', 'obj.uncacheable', 'req.ttl', 'obj.hits', 'client.identity', 'req.hash_ignore_busy', 'obj.reason', 'req.xid', 'req_top.proto', 'beresp.age', 'obj.proto', 'obj.age', 'local.ip', 'beresp.uncacheable', 'req.method', 'beresp.backend.ip', 'now', 'obj.grace', 'req.restarts', 'beresp.keep', 'req.proto', 'resp.proto', 'bereq.xid', 'bereq.between_bytes_timeout', 'req.esi', 'bereq.first_byte_timeout', 'bereq.method', 'bereq.connect_timeout', 'beresp.do_gzip', 'resp.status', 'beresp.do_gunzip', 'beresp.storage_hint', 'resp.is_streaming', 'beresp.do_stream', 'req_top.method', 'bereq.backend', 'beresp.backend.name', 'beresp.status', 'req.url', 'obj.keep', 'obj.ttl', 'beresp.reason', 'bereq.retries', 'resp.reason', 'bereq.url', 'beresp.do_esi', 'beresp.proto', 'client.ip', 'bereq.proto', 'server.hostname', 'remote.ip', 'req.backend_hint', 'server.identity', 'req_top.url', 'beresp.grace', 'beresp.was_304', 'server.ip', 'bereq.uncacheable'), suffix=r'\b'), Name.Variable), (r'[!%&+*\-,/<.}{>=|~]+', Operator), (r'[();]', Punctuation), (r'[,]+', Punctuation), (words(('hash_data', 'regsub', 'regsuball', 'if', 'else', 'elsif', 'elif', 'synth', 'synthetic', 'ban', 'return', 'set', 'unset', 'import', 'include', 'new', 'rollback', 'call'), suffix=r'\b'), Keyword), (r'storage\.\w+\.\w+\b', Name.Variable), (words(('true', 'false')), Name.Builtin), (r'\d+\b', Number), (r'(backend)(\s+\w+)(\s*\{)', bygroups(Keyword, Name.Variable.Global, Punctuation), 'backend'), (r'(probe\s)(\s*\w+\s)(\{)', bygroups(Keyword, Name.Variable.Global, Punctuation), 'probe'), (r'(acl\s)(\s*\w+\s)(\{)', bygroups(Keyword, Name.Variable.Global, Punctuation), 'acl'), (r'(vcl )(4.0)(;)$', bygroups(Keyword.Reserved, Name.Constant, Punctuation)), (r'(sub\s+)([a-zA-Z]\w*)(\s*\{)', bygroups(Keyword, Name.Function, Punctuation)), (r'([a-zA-Z_]\w*)' r'(\.)' r'([a-zA-Z_]\w*)' r'(\s*\(.*\))', bygroups(Name.Function, Punctuation, Name.Function, using(this))), (r'[a-zA-Z_]\w*', Name), ], 'comment': [ (r'[^*/]+', Comment.Multiline), (r'/\*', Comment.Multiline, '#push'), (r'\*/', Comment.Multiline, '#pop'), (r'[*/]', Comment.Multiline), ], 'comments': [ (r'#.*$', Comment), (r'/\*', Comment.Multiline, 'comment'), (r'//.*$', Comment), ], 'string': [ (r'"', String, '#pop'), (r'[^"\n]+', String), # all other characters ], 'multistring': [ (r'[^"}]', String), (r'"\}', String, '#pop'), (r'["}]', String), ], 'whitespace': [ (r'L?"', String, 'string'), (r'\{"', String, 'multistring'), (r'\n', Text), (r'\s+', Text), (r'\\\n', Text), # line continuation ], 'root': [ include('whitespace'), include('comments'), include('statements'), (r'\s+', Text), ], }class VCLSnippetLexer(VCLLexer): """ For Varnish Configuration Language snippets. .. versionadded:: 2.2 """ name = 'VCLSnippets' aliases = ['vclsnippets', 'vclsnippet'] mimetypes = ['text/x-vclsnippet'] filenames = [] def analyse_text(text): # override method inherited from VCLLexer return 0 tokens = { 'snippetspre': [ (r'\.\.\.+', Comment), (r'(bereq|req|req_top|resp|beresp|obj|client|server|local|remote|' r'storage)($|\.\*)', Name.Variable), ], 'snippetspost': [ (r'(backend)\b', Keyword.Reserved), ], 'root': [ include('snippetspre'), inherit, include('snippetspost'), ], } |