cleanup

12 files changed, 46 insertions, 86 deletions

diff --git a/script/core/code-action.lua b/script/core/code-action.lua
index 64f862f9..1bac9359 100644
--- a/script/core/code-action.lua
+++ b/script/core/code-action.lua
@@ -57,7 +57,7 @@ end
 
 local function disableDiagnostic(uri, code, start, results)
     local lines = files.getLines(uri)
-    local row   = guide.positionOf(lines, start)
+    local row   = guide.positionOf(start)
     results[#results+1] = {
         title   = lang.script('ACTION_DISABLE_DIAG', code),
         kind    = 'quickfix',
diff --git a/script/core/completion.lua b/script/core/completion.lua
index f81f8179..59dc19f3 100644
--- a/script/core/completion.lua
+++ b/script/core/completion.lua
@@ -176,7 +176,7 @@ local function getSnip(source)
             if vm.isMetaFile(uri) then
                 goto CONTINUE
             end
-            local row = guide.positionOf(lines, def.start)
+            local row = guide.positionOf(def.start)
             local firstRow = lines[row]
             local lastRow = lines[math.min(row + context - 1, #lines)]
             local snip = text:sub(firstRow.start, lastRow.finish)
diff --git a/script/core/diagnostics/newfield-call.lua b/script/core/diagnostics/newfield-call.lua
index fe86ad66..61d52dd2 100644
--- a/script/core/diagnostics/newfield-call.lua
+++ b/script/core/diagnostics/newfield-call.lua
@@ -27,8 +27,8 @@ return function (uri, callback)
             local func = call.node
             local args = call.args
             if args then
-                local funcLine = guide.positionOf(lines, func.finish)
-                local argsLine = guide.positionOf(lines, args.start)
+                local funcLine = guide.positionOf(func.finish)
+                local argsLine = guide.positionOf(args.start)
                 if argsLine > funcLine then
                     callback {
                         start   = call.start,
diff --git a/script/core/diagnostics/newline-call.lua b/script/core/diagnostics/newline-call.lua
index 71dc33e2..69bf948f 100644
--- a/script/core/diagnostics/newline-call.lua
+++ b/script/core/diagnostics/newline-call.lua
@@ -26,8 +26,8 @@ return function (uri, callback)
             return
         end
 
-        local nodeRow = guide.positionOf(lines, node.finish)
-        local argRow  = guide.positionOf(lines, args.start)
+        local nodeRow = guide.positionOf(node.finish)
+        local argRow  = guide.positionOf(args.start)
         if nodeRow == argRow then
             return
         end
diff --git a/script/core/find-source.lua b/script/core/find-source.lua
index edbb1e2c..26a411e5 100644
--- a/script/core/find-source.lua
+++ b/script/core/find-source.lua
@@ -11,12 +11,12 @@ local function isValidFunctionPos(source, offset)
     return false
 end
 
-return function (ast, offset, accept)
+return function (ast, position, accept)
     local len = math.huge
     local result
-    guide.eachSourceContain(ast.ast, offset, function (source)
+    guide.eachSourceContain(ast.ast, position, function (source)
         if source.type == 'function' then
-            if not isValidFunctionPos(source, offset) then
+            if not isValidFunctionPos(source, position) then
                 return
             end
         end
diff --git a/script/core/keyword.lua b/script/core/keyword.lua
index b8e37605..4b43efe5 100644
--- a/script/core/keyword.lua
+++ b/script/core/keyword.lua
@@ -275,8 +275,8 @@ until $1"
         if first == 'end'
         or first == 'else'
         or first == 'elseif' then
-            local startRow  = guide.positionOf(lines, info.start)
-            local finishRow = guide.positionOf(lines, pos)
+            local startRow  = guide.positionOf(info.start)
+            local finishRow = guide.positionOf(pos)
             local startSp   = info.text:match('^%s*', lines[startRow].start + 1)
             local finishSp  = info.text:match('^%s*', lines[finishRow].start + 1)
             if startSp == finishSp then
diff --git a/script/core/reference.lua b/script/core/reference.lua
index 5f5831c6..067d2e23 100644
--- a/script/core/reference.lua
+++ b/script/core/reference.lua
@@ -52,13 +52,13 @@ local accept = {
     ['doc.alias.name']   = true,
 }
 
-return function (uri, offset)
+return function (uri, position)
     local ast = files.getState(uri)
     if not ast then
         return nil
     end
 
-    local source = findSource(ast, offset, accept)
+    local source = findSource(ast, position, accept)
     if not source then
         return nil
     end
diff --git a/script/core/type-formatting.lua b/script/core/type-formatting.lua
index a225d9d7..12272f11 100644
--- a/script/core/type-formatting.lua
+++ b/script/core/type-formatting.lua
@@ -5,7 +5,7 @@ local guide        = require "parser.guide"
 local function insertIndentation(uri, offset, edits)
     local lines  = files.getLines(uri)
     local text   = files.getOriginText(uri)
-    local row    = guide.positionOf(lines, offset)
+    local row    = guide.positionOf(offset)
     local line   = lines[row]
     local indent = text:sub(line.start, line.finish):match '^%s*'
     for _, edit in ipairs(edits) do
diff --git a/script/files.lua b/script/files.lua
index ecaaa5a5..0e62a740 100644
--- a/script/files.lua
+++ b/script/files.lua
@@ -744,7 +744,7 @@ function m.position(uri, offset, leftOrRight)
         lines  = m.getOriginLines(uri)
         text   = m.getOriginText(uri)
     end
-    local row, col      = guide.positionOf(lines, offset)
+    local row, col      = guide.positionOf(offset)
     local start, finish = guide.lineRange(lines, row, true)
     start = start + 1
     if col <= finish - start + 1 then
diff --git a/script/parser/guide.lua b/script/parser/guide.lua
index e5e9ead1..941fc7b1 100644
--- a/script/parser/guide.lua
+++ b/script/parser/guide.lua
@@ -548,24 +548,24 @@ function m.getRange(source)
     return start, finish
 end
 
---- 判断source是否包含offset
-function m.isContain(source, offset)
+--- 判断source是否包含position
+function m.isContain(source, position)
     local start, finish = m.getStartFinish(source)
     if not start then
         return false
     end
-    return start <= offset and finish >= offset
+    return start <= position and finish >= position
 end
 
---- 判断offset在source的影响范围内
+--- 判断position在source的影响范围内
 ---
 --- 主要针对赋值等语句时，key包含value
-function m.isInRange(source, offset)
+function m.isInRange(source, position)
     local start, finish = m.getRange(source)
     if not start then
         return false
     end
-    return start <= offset and finish >= offset
+    return start <= position and finish >= position
 end
 
 function m.isBetween(source, tStart, tFinish)
@@ -597,8 +597,8 @@ local function addChilds(list, obj)
     f(obj, list)
 end
 
---- 遍历所有包含offset的source
-function m.eachSourceContain(ast, offset, callback)
+--- 遍历所有包含position的source
+function m.eachSourceContain(ast, position, callback)
     local list = { ast }
     local mark = {}
     while true do
@@ -610,8 +610,8 @@ function m.eachSourceContain(ast, offset, callback)
         list[len] = nil
         if not mark[obj] then
             mark[obj] = true
-            if m.isInRange(obj, offset) then
-                if m.isContain(obj, offset) then
+            if m.isInRange(obj, position) then
+                if m.isContain(obj, position) then
                     local res = callback(obj)
                     if res ~= nil then
                         return res
@@ -737,64 +737,24 @@ function m.eachSpecialOf(ast, name, callback)
     end
 end
 
---- 获取光标偏移对应的坐标。
---- 如果在换行符的右侧，则认为在新的一行。
---- 第一行的行号是1不是0。
----@param lines table
----@return integer {name = 'row'}
----@return integer {name = 'col'}
-function m.positionOf(lines, offset)
-    if offset <= 0 then
-        return 1, 0
-    end
-    local lastLine = lines[#lines]
-    if offset >= lastLine.finish then
-        return #lines, lastLine.finish - lastLine.start
-    end
-    local min = 1
-    local max = #lines
-    for _ = 1, 100 do
-        if max <= min then
-            local line = lines[min]
-            return min, offset - line.start
-        end
-        local row = (max - min) // 2 + min
-        local line = lines[row]
-        if offset < line.start then
-            max = row - 1
-        elseif offset >= line.finish then
-            min = row + 1
-        else
-            return row, offset - line.start
-        end
-    end
-    error('Stack overflow!')
+--- 将 position 拆分成行号与列号
+---
+--- 第一行是0
+---@param position integer
+---@return integer row
+---@return integer col
+function m.positionOf(position)
+    return position // 10000, position % 10000
 end
 
---- 获取坐标对应的光标偏移。
---- 一定会落在当前行的换行符左侧。
---- 第一行的行号是1不是0。
----@param lines table
+--- 将行列合并为 position
+---
+--- 第一行是0
 ---@param row integer
 ---@param col integer
----@return integer {name = 'offset'}
-function m.offsetOf(lines, row, col)
-    if row < 1 then
-        return 0
-    end
-    if row > #lines then
-        local lastLine = lines[#lines]
-        return lastLine.finish
-    end
-    local line = lines[row]
-    local len = line.range - line.start
-    if col < 0 then
-        return line.start
-    elseif col > len then
-        return line.range
-    else
-        return line.start + col
-    end
+---@return integer
+function m.offsetOf(row, col)
+    return row * 10000 + col
 end
 
 function m.lineContent(lines, text, row, ignoreNL)
diff --git a/script/parser/luadoc.lua b/script/parser/luadoc.lua
index 26341571..533aa9db 100644
--- a/script/parser/luadoc.lua
+++ b/script/parser/luadoc.lua
@@ -635,7 +635,7 @@ function parseType(parent)
     result.finish = getFinish()
     result.firstFinish = result.finish
 
-    local row = guide.positionOf(Lines, result.finish)
+    local row = guide.positionOf(result.finish)
 
     local function pushResume()
         local comments
@@ -1178,8 +1178,8 @@ end
 
 local function isTailComment(lns, text, binded, doc)
     local lastDoc = binded[#binded]
-    local lastDocStartRow = guide.positionOf(lns, lastDoc.originalComment.start)
-    local lastDocStartLineData = guide.lineData(lns, lastDocStartRow)
+    local lastDocStartRow = guide.positionOf(lastDoc.originalComment.start)
+    local lastDocStartLineData = guide.lineData(lastDocStartRow)
     if haveCodeBeforeDocInCurLine(text, lastDocStartLineData, lastDoc.originalComment.start) then
         return true
     end
@@ -1191,8 +1191,8 @@ local function isNextLine(lns, text, binded, doc)
         return false
     end
     local lastDoc = binded[#binded]
-    local lastRow = guide.positionOf(lns, lastDoc.finish)
-    local newRow  = guide.positionOf(lns, doc.start)
+    local lastRow = guide.positionOf(lastDoc.finish)
+    local newRow  = guide.positionOf(doc.start)
     return newRow - lastRow == 1
 end
 
@@ -1332,7 +1332,7 @@ local function bindDoc(sources, lns, binded)
         doc.bindSources = bindSources
     end
     bindGeneric(binded)
-    local row = guide.positionOf(lns, lastDoc.finish)
+    local row = guide.positionOf(lastDoc.finish)
     local cstart, cfinish = guide.lineRange(lns, row)
     local nstart, nfinish = guide.lineRange(lns, row + 1)
     bindDocsBetween(sources, binded, bindSources, cstart, cfinish)
diff --git a/script/vm/getDocs.lua b/script/vm/getDocs.lua
index c0205654..5fcf9478 100644
--- a/script/vm/getDocs.lua
+++ b/script/vm/getDocs.lua
@@ -186,7 +186,7 @@ local function makeDiagRange(uri, doc, results)
             names[name] = true
         end
     end
-    local row = guide.positionOf(lines, doc.start)
+    local row = guide.positionOf(doc.start)
     if doc.mode == 'disable-next-line' then
         if lines[row+1] then
             results[#results+1] = {