1 files changed, 29 insertions, 40 deletions
diff --git a/script/parser/lines.lua b/script/parser/lines.lua
index ee6b4f41..1aba0ae5 100644
--- a/script/parser/lines.lua
+++ b/script/parser/lines.lua
@@ -1,45 +1,34 @@
-local m = require 'lpeglabel'
-
-_ENV = nil
-
-local function Line(start, line, range, finish)
-    line.start  = start
-    line.finish = finish - 1
-    line.range  = range  - 1
-    return line
-end
-
-local function Space(...)
-    local line = {...}
-    local sp = 0
-    local tab = 0
-    for i = 1, #line do
-        if line[i] == ' ' then
-            sp = sp + 1
-        elseif line[i] == '\t' then
-            tab = tab + 1
-        end
-        line[i] = nil
-    end
-    line.sp  = sp
-    line.tab = tab
-    return line
-end
-
-local parser = m.P{
-'Lines',
-Lines   = m.Ct(m.V'Line'^0 * m.V'LastLine'),
-Line    = m.Cp() * m.V'Indent' * (1 - m.V'Nl')^0 * m.Cp() * m.V'Nl' * m.Cp() / Line,
-LastLine= m.Cp() * m.V'Indent' * (1 - m.V'Nl')^0 * m.Cp() * m.Cp() / Line,
-Nl      = m.P'\r\n' + m.S'\r\n',
-Indent  = m.C(m.S' \t')^0 / Space,
-}
+local sfind = string.find
+local ssub  = string.sub
 
+---@param text string
 return function (self, text)
-    local lines, err = parser:match(text)
-    if not lines then
-        return nil, err
+    local current = 1
+    local lines = {}
+    local i = 1
+    while true do
+        local pos = sfind(text,'[\r\n]', current)
+        if not pos then
+            break
+        end
+        local line = {
+            start = current - 1,
+            range = pos - 1,
+        }
+        lines[i] = line
+        i = i + 1
+        if ssub(text, pos, pos + 1) == '\r\n' then
+            current     = pos + 2
+            line.finish = pos + 1
+        else
+            current     = pos + 1
+            line.finish = pos
+        end
     end
-
+    lines[i] = {
+        start  = current - 1,
+        finish = #text,
+        range  = #text,
+    }
     return lines
 end