fix #291

Author: sumneko

Diff for: changelog.md

@@ -3,6 +3,7 @@
 ## 1.7.0
 * `CHG` diagnostic: `unused-function` ignores function with `<close>`
 * `FIX` semantic: tokens may not be updated correctly
+* `FIX` [#291](https://github.com/sumneko/lua-language-server/issues/291)
 
 ## 1.6.0
 `2020-12-14`

Diff for: script/files.lua

@@ -367,7 +367,7 @@ end
 ---@param uri string
 ---@return boolean
 function m.isLua(uri)
-    local ext = uri:match '%.([^%.%/%\\]-)$'
+    local ext = uri:match '%.([^%.%/%\\]+)$'
     if not ext then
         return false
     end

Diff for: script/glob/gitignore.lua

@@ -19,7 +19,7 @@ end
 local parser = m.P {
     'Main',
     ['Sp']          = m.S(' \t')^0,
-    ['Slash']       = m.S('/\\')^1,
+    ['Slash']       = m.S('/')^1,
     ['Main']        = m.Ct(m.V'Sp' * m.P'{' * m.V'Pattern' * (',' * expect(m.V'Pattern', 'Miss exp after ","'))^0 * m.P'}')
                     + m.Ct(m.V'Pattern')
                     + m.T'Main Failed'
@@ -35,12 +35,15 @@ local parser = m.P {
                     + object('?',    m.P'?')
                     + object('[]',   m.V'Range')
                     ,
-    ['Char']        = object('char', (1 - m.S',{}[]*?/\\')^1),
+    ['SimpleChar']  = m.P(1) - m.S',{}[]*?/',
+    ['EscChar']     = m.P'\\' / '' * m.P(1),
+    ['Char']        = object('char', m.Cs((m.V'EscChar' + m.V'SimpleChar')^1)),
     ['FSymbol']     = object('**', m.P'**'),
     ['Range']       = m.P'[' * m.Ct(m.V'RangeUnit'^0) * m.P']'^-1,
     ['RangeUnit']   = m.Ct(- m.P']' * m.C(m.P(1)) * (m.P'-' * - m.P']' * m.C(m.P(1)))^-1),
 }
 
+---@class gitignore
 local mt = {}
 mt.__index = mt
 mt.__name = 'gitignore'
@@ -170,7 +173,9 @@ function mt:scan(callback)
                 if type(result) == 'table' then
                     for _, path in ipairs(result) do
                         local filename = path:match '([^/\\]+)[/\\]*$'
-                        if filename then
+                        if  filename
+                        and filename ~= '.'
+                        and filename ~= '..' then
                             list[#list+1] = current .. '/' .. filename
                         end
                     end
@@ -185,6 +190,7 @@ function mt:__call(path)
     if self.options.ignoreCase then
         path = path:lower()
     end
+    path = path:gsub('^[/\\]+', '')
     return self:finishMatch(path)
 end
 

Diff for: script/glob/glob.lua

@@ -19,7 +19,7 @@ end
 local parser = m.P {
     'Main',
     ['Sp']          = m.S(' \t')^0,
-    ['Slash']       = m.S('/\\')^1,
+    ['Slash']       = m.P('/')^1,
     ['Main']        = m.Ct(m.V'Sp' * m.P'{' * m.V'Pattern' * (',' * expect(m.V'Pattern', 'Miss exp after ","'))^0 * m.P'}')
                     + m.Ct(m.V'Pattern')
                     + m.T'Main Failed'
@@ -35,7 +35,9 @@ local parser = m.P {
                     + object('?',    m.P'?')
                     + object('[]',   m.V'Range')
                     ,
-    ['Char']        = object('char', (1 - m.S',{}[]*?/\\')^1),
+    ['SimpleChar']  = m.P(1) - m.S',{}[]*?/',
+    ['EscChar']     = m.P'\\' / '' * m.P(1),
+    ['Char']        = object('char', m.Cs((m.V'EscChar' + m.V'SimpleChar')^1)),
     ['FSymbol']     = object('**', m.P'**'),
     ['RangeWord']   = 1 - m.P']',
     ['Range']       = m.P'[' * m.Ct(m.V'RangeUnit'^0) * m.P']'^-1,
@@ -83,6 +85,7 @@ function mt:__call(path)
     if self.options.ignoreCase then
         path = path:lower()
     end
+    path = path:gsub('^[/\\]+', '')
     for _, refused in ipairs(self.refused) do
         if refused(path) then
             return false