vis

commit be129f6564176e363a292db8e600e3b41cc36829
parent e18cb20b2e22a9f74499f0cd68194cea59ca86f6
Author: Marc André Tanner <mat@brain-dump.org>
Date:   Tue, 30 May 2017 15:06:01 +0200

lexer: add simple strace(1) output lexer

Diffstat:
A
lua/lexers/strace.lua
 | 
31
+++++++++++++++++++++++++++++++
M
lua/plugins/filetype.lua
 | 
5
+++++

2 files changed, 36 insertions(+), 0 deletions(-)
diff --git a/lua/lexers/strace.lua b/lua/lexers/strace.lua
@@ -0,0 +1,31 @@
+-- strace(1) output lexer
+
+local l = require('lexer')
+local token, word_match = l.token, l.word_match
+local S = lpeg.S
+
+local M = {_NAME = 'strace'}
+
+local ws = token(l.WHITESPACE, l.space^1)
+local string = token(l.STRING, l.delimited_range('"', true) + l.delimited_range("'", true))
+local number = token(l.NUMBER, l.float + l.integer)
+local constant = token(l.CONSTANT, (l.upper + '_') * (l.upper + l.digit + '_')^0)
+local syscall = token(l.KEYWORD, l.starts_line(l.word))
+local operator = token(l.OPERATOR, S('+-/*%<>~!=^&|?~:;,.()[]{}'))
+local comment = token(l.COMMENT, l.nested_pair('/*', '*/') + ('(' * (l.alpha + ' ')^1 * ')\n'))
+local result = token(l.TYPE, '= ' * l.integer)
+
+M._rules = {
+  {'whitespace', ws},
+  {'keyword', syscall},
+  {'constant', constant},
+  {'string', string},
+  {'comment', comment},
+  {'type', result},
+  {'number', number},
+  {'operator', operator},
+}
+
+M._LEXBYLINE = true
+
+return M
diff --git a/lua/plugins/filetype.lua b/lua/plugins/filetype.lua
@@ -349,6 +349,11 @@ vis.ftdetect.filetypes = {
 	sql= {
 		ext = { "%.ddl$", "%.sql$" },
 	},
+	strace = {
+		detect = function(file, data)
+			return data:match("^execve%(")
+		end
+	},
 	systemd = {
 		ext = {
 			"%.automount$", "%.device$", "%.mount$", "%.path$",