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Diffstat (limited to 'pygments/lexers/varnish.py')
| -rw-r--r-- | pygments/lexers/varnish.py | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/pygments/lexers/varnish.py b/pygments/lexers/varnish.py new file mode 100644 index 00000000..e64a601b --- /dev/null +++ b/pygments/lexers/varnish.py @@ -0,0 +1,190 @@ +# -*- coding: utf-8 -*- +""" + pygments.lexers.varnish + ~~~~~~~~~~~~~~~~~~~~~~~ + + Lexers for Varnish configuration + + :copyright: Copyright 2006-2015 by the Pygments team, see AUTHORS. + :license: BSD, see LICENSE for details. +""" + +from pygments.lexer import RegexLexer, include, bygroups, using, this, \ + inherit, words +from 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'), + (r'(\.\w+\b)(\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', 'now'), suffix=r'\b'), + Name.Variable), + (r'[!%&+*\-,/<.}{>=|~]+', Operator), + (r'[();]', Punctuation), + + (r'[,]+', Punctuation), + (words(('include', 'hash_data', 'regsub', 'regsuball', 'if', 'else', + 'elsif', 'elif', 'synth', 'synthetic', 'ban', 'synth', + '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))), + ('[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'), + ], + } |