From 46910e464bfab9992895898b4c1795e494796e39 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9C=80=E8=90=8C=E5=B0=8F=E6=B1=90?= <sumneko@hotmail.com>
Date: Wed, 29 Jun 2022 16:02:15 +0800
Subject: resolve #1248 supports spaces before `--[[@as]]`

---
 script/parser/luadoc.lua | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'script/parser/luadoc.lua')

diff --git a/script/parser/luadoc.lua b/script/parser/luadoc.lua
index 1e7a6ab3..c2019d8d 100644
--- a/script/parser/luadoc.lua
+++ b/script/parser/luadoc.lua
@@ -142,6 +142,7 @@ Symbol              <-  ({} {
 ---@field signs parser.object[]
 ---@field originalComment parser.object
 ---@field as? parser.object
+---@field touch? integer
 
 local function trim(str)
     return str:match '^%s*(%S+)%s*$'
@@ -1671,6 +1672,22 @@ local function bindDocs(state)
     end
 end
 
+local function findTouch(state, doc)
+    local text = state.lua
+    local pos  = guide.positionToOffset(state, doc.originalComment.start)
+    for i = pos - 2, 1, -1 do
+        local c = text:sub(i, i)
+        if c == '\r'
+        or c == '\n' then
+            break
+        elseif c ~= ' '
+        and    c ~= '\t' then
+            doc.touch = guide.offsetToPosition(state, i)
+            break
+        end
+    end
+end
+
 return function (state)
     local ast = state.ast
     local comments = state.comms
@@ -1714,6 +1731,9 @@ return function (state)
                 ast.finish = doc.finish
             end
             doc.originalComment = comment
+            if comment.type == 'comment.long' then
+                findTouch(state, doc)
+            end
         end
     end
 
-- 
cgit debian/1.2.3+git2.25.1-1-2-gaceb0