clean up lua stuff a bit and add mez.inspect

runtime/share/mezzaluna/base_config.lua

@@ -0,0 +1,285 @@
+local master = function()
+  local config = {
+    tag_count = 5,
+  }
+
+  local ctx = {
+    master_ratio = 0.5,
+    tags = {},
+    tag_id = 1
+  }
+
+  local tile_onscreen = function(tag_id, res)
+    if ctx.tags[tag_id].master == nil then
+      return
+    end
+
+    if #ctx.tags[tag_id].stack == 0 then
+      mez.view.set_size(ctx.tags[tag_id].master, res.width, res.height)
+      mez.view.set_position(ctx.tags[tag_id].master, 0, 0)
+    else
+      mez.view.set_size(ctx.tags[tag_id].master, res.width * ctx.master_ratio, res.height)
+      mez.view.set_position(ctx.tags[tag_id].master, 0, 0)
+
+      for i, stack_id in ipairs(ctx.tags[tag_id].stack) do
+        mez.view.set_size(stack_id, res.width * (1 - ctx.master_ratio), res.height / #ctx.tags[tag_id].stack)
+        mez.view.set_position(stack_id, res.width * ctx.master_ratio, (res.height / #ctx.tags[tag_id].stack * (i - 1)))
+      end
+    end
+  end
+
+  local tile_offscreen = function(tag_id, res)
+    if ctx.tags[tag_id].master == nil then
+      return
+    end
+
+    mez.view.set_position(ctx.tags[tag_id].master, 0, -res.height)
+    mez.view.set_size(ctx.tags[tag_id].master, res.width, res.height)
+
+    for _, view in ipairs(ctx.tags[tag_id].stack) do
+      mez.view.set_position(view, 0, -res.height)
+      mez.view.set_size(view, res.width, res.height)
+    end
+  end
+
+  local tile_all = function ()
+    local res = mez.output.get_resolution(0)
+
+    for id = 1,config.tag_count do
+      if id == ctx.tag_id then
+        tile_onscreen(id, res)
+      else
+        tile_offscreen(id, res)
+      end
+    end
+  end
+
+  for i = 1,config.tag_count do
+    ctx.tags[#ctx.tags + 1] = {
+      stack = {},
+      master = nil,
+    }
+    mez.input.add_keymap("alt", "" .. i, {
+      press = function ()
+        ctx.tag_id = i
+
+        if ctx.tags[i].master then
+          mez.view.set_focused(ctx.tags[i].master)
+        else
+          mez.view.set_focused(nil)
+        end
+
+        tile_all()
+      end
+    })
+  end
+
+  mez.hook.add("ServerStartPost", {
+    callback = function()
+      print("ServerStartPost")
+      print("Doesn't do anything :(")
+    end
+  })
+
+  mez.hook.add("ViewMapPre", {
+    callback = function(v)
+      if ctx.tags[ctx.tag_id].master == nil then
+        ctx.tags[ctx.tag_id].master = v
+      else
+        table.insert(ctx.tags[ctx.tag_id].stack, #ctx.tags[ctx.tag_id].stack + 1, v)
+      end
+
+      mez.view.set_focused(v)
+
+      tile_all()
+    end
+  })
+
+  mez.hook.add("ViewUnmapPost", {
+    callback = function(v)
+      if v == ctx.tags[ctx.tag_id].master then
+        if #ctx.tags[ctx.tag_id].stack > 0 then
+          ctx.tags[ctx.tag_id].master = table.remove(ctx.tags[ctx.tag_id].stack, 1)
+          mez.view.set_focused(ctx.tags[ctx.tag_id].master)
+        else
+          ctx.tags[ctx.tag_id].master = nil
+        end
+      else
+        for i, id in ipairs(ctx.tags[ctx.tag_id].stack) do
+          if id == v then
+            if i == 1 then
+              mez.view.set_focused(ctx.tags[ctx.tag_id].master)
+            elseif i == #ctx.tags[ctx.tag_id].stack then
+              mez.view.set_focused(ctx.tags[ctx.tag_id].stack[i - 1])
+            else
+              mez.view.set_focused(ctx.tags[ctx.tag_id].stack[i + 1])
+            end
+
+            table.remove(ctx.tags[ctx.tag_id].stack, i)
+          end
+        end
+      end
+
+      tile_all()
+    end
+  })
+
+  mez.hook.add("ViewPointerMotion", {
+    callback = function (view_id, cursor_x, cursor_y)
+      mez.view.set_focused(view_id)
+    end
+  })
+
+  mez.input.add_keymap("alt", "p", {
+    press = function()
+      mez.api.spawn("wmenu-run")
+    end,
+  })
+
+  mez.input.add_keymap("alt", "b", {
+    press = function()
+      mez.api.spawn("swaybg -i ~/Images/wallpapers/void/gruv_void.png")
+    end,
+  })
+
+  mez.input.add_keymap("alt|shift", "Return", {
+    press = function()
+      mez.api.spawn("alacritty")
+    end,
+  })
+
+  mez.input.add_keymap("alt|shift", "C", {
+    press = function ()
+      mez.view.close(0)
+    end
+  })
+
+  mez.input.add_keymap("alt|shift", "q", {
+    press = function ()
+      mez.api.exit();
+    end
+  })
+
+  mez.input.add_keymap("alt", "Return", {
+    press = function()
+      local focused = mez.view.get_focused_id()
+
+      if focused == ctx.tags[ctx.tag_id].master then return end
+
+      for i, id in ipairs(ctx.tags[ctx.tag_id].stack) do
+        if focused == id then
+          local t = ctx.tags[ctx.tag_id].master
+          ctx.tags[ctx.tag_id].master = ctx.tags[ctx.tag_id].stack[i]
+          ctx.tags[ctx.tag_id].stack[i] = t
+        end
+      end
+
+      tile_all()
+    end,
+  })
+
+  mez.input.add_keymap("alt", "j", {
+    press = function ()
+      local focused = mez.view.get_focused_id()
+
+      if focused == ctx.tags[ctx.tag_id].master then
+        mez.view.set_focused(ctx.tags[ctx.tag_id].stack[1])
+      elseif focused == ctx.tags[ctx.tag_id].stack[#ctx.tags[ctx.tag_id].stack] then
+        mez.view.set_focused(ctx.tags[ctx.tag_id].master)
+      else
+        for i, id in ipairs(ctx.tags[ctx.tag_id].stack) do
+          -- TODO: use table.find
+          if focused == id then
+            mez.view.set_focused(ctx.tags[ctx.tag_id].stack[i + 1])
+          end
+        end
+      end
+    end
+  })
+
+  mez.input.add_keymap("alt", "k", {
+    press = function ()
+      local focused = mez.view.get_focused_id()
+
+      if focused == ctx.tags[ctx.tag_id].master then
+        mez.view.set_focused(ctx.tags[ctx.tag_id].stack[#ctx.tags[ctx.tag_id].stack])
+      elseif focused == ctx.tags[ctx.tag_id].stack[1] then
+        mez.view.set_focused(ctx.tags[ctx.tag_id].master)
+      else
+        for i, id in ipairs(ctx.tags[ctx.tag_id].stack) do
+          -- TODO: use table.find
+          if focused == id then
+            mez.view.set_focused(ctx.tags[ctx.tag_id].stack[i - 1])
+          end
+        end
+      end
+    end
+  })
+
+  mez.input.add_keymap("alt", "h", {
+    press = function()
+      if ctx.master_ratio > 0.15 then
+        ctx.master_ratio = ctx.master_ratio - 0.05
+        tile_all()
+      end
+    end
+  })
+
+  mez.input.add_keymap("alt", "l", {
+    press = function()
+      if ctx.master_ratio < 0.85 then
+        ctx.master_ratio = ctx.master_ratio + 0.05
+        tile_all()
+      end
+    end
+  })
+
+  mez.input.add_keymap("alt", "Tab", {
+    press = function ()
+      local focused = mez.view.get_focused_id()
+      local all = mez.view.get_all_ids()
+
+      for _, id in ipairs(all) do
+        if id ~= focused then
+          mez.view.set_focused(id)
+          return
+        end
+      end
+    end
+  })
+
+  for i = 1, 12 do
+    mez.input.add_keymap("ctrl|alt", "XF86Switch_VT_"..i, {
+      press = function() mez.api.change_vt(i) end
+    })
+  end
+end
+
+master()
+
+function print_table(tbl, indent, seen)
+    indent = indent or 0
+    seen = seen or {}
+
+    -- Prevent infinite loops from circular references
+    if seen[tbl] then
+        print(string.rep("  ", indent) .. "...(circular reference)")
+        return
+    end
+    seen[tbl] = true
+
+    for key, value in pairs(tbl) do
+        local formatting = string.rep("  ", indent) .. tostring(key) .. ": "
+
+        if type(value) == "table" then
+            print(formatting .. "{")
+            print_table(value, indent + 1, seen)
+            print(string.rep("  ", indent) .. "}")
+        elseif type(value) == "string" then
+            print(formatting .. '"' .. value .. '"')
+        else
+            print(formatting .. tostring(value))
+        end
+    end
+end
+

runtime/share/mezzaluna/init.lua

@@ -7,291 +7,10 @@ if not env_conf then
   env_conf = mez.fs.joinpath(env_conf, ".config")
 end
 
+-- allow loading files in the runtime directory
+package.path = package.path..";"..mez.fs.joinpath(mez.path.runtime, "?.lua")
+mez.inspect = require("inspect").inspect
+
+mez.path.base_config = mez.fs.joinpath(mez.path.runtime, "base_config.lua")
 mez.path.config = mez.fs.joinpath(env_conf, "mez", "init.lua")
 package.path = package.path..";"..mez.fs.joinpath(env_conf, "mez", "lua", "?.lua")
-
-local master = function()
-  local config = {
-    tag_count = 5,
-  }
-
-  local ctx = {
-    master_ratio = 0.5,
-    tags = {},
-    tag_id = 1
-  }
-
-  local tile_onscreen = function(tag_id, res)
-    if ctx.tags[tag_id].master == nil then
-      return
-    end
-
-    if #ctx.tags[tag_id].stack == 0 then
-      mez.view.set_size(ctx.tags[tag_id].master, res.width, res.height)
-      mez.view.set_position(ctx.tags[tag_id].master, 0, 0)
-    else
-      mez.view.set_size(ctx.tags[tag_id].master, res.width * ctx.master_ratio, res.height)
-      mez.view.set_position(ctx.tags[tag_id].master, 0, 0)
-
-      for i, stack_id in ipairs(ctx.tags[tag_id].stack) do
-        mez.view.set_size(stack_id, res.width * (1 - ctx.master_ratio), res.height / #ctx.tags[tag_id].stack)
-        mez.view.set_position(stack_id, res.width * ctx.master_ratio, (res.height / #ctx.tags[tag_id].stack * (i - 1)))
-      end
-    end
-  end
-
-  local tile_offscreen = function(tag_id, res)
-    if ctx.tags[tag_id].master == nil then
-      return
-    end
-
-    mez.view.set_position(ctx.tags[tag_id].master, 0, -res.height)
-    mez.view.set_size(ctx.tags[tag_id].master, res.width, res.height)
-
-    for _, view in ipairs(ctx.tags[tag_id].stack) do
-      mez.view.set_position(view, 0, -res.height)
-      mez.view.set_size(view, res.width, res.height)
-    end
-  end
-
-  local tile_all = function ()
-    local res = mez.output.get_resolution(0)
-
-    for id = 1,config.tag_count do
-      if id == ctx.tag_id then
-        tile_onscreen(id, res)
-      else
-        tile_offscreen(id, res)
-      end
-    end
-  end
-
-  for i = 1,config.tag_count do
-    ctx.tags[#ctx.tags + 1] = {
-      stack = {},
-      master = nil,
-    }
-    mez.input.add_keymap("alt", "" .. i, {
-      press = function ()
-        ctx.tag_id = i
-
-        if ctx.tags[i].master then
-          mez.view.set_focused(ctx.tags[i].master)
-        else
-          mez.view.set_focused(nil)
-        end
-
-        tile_all()
-      end
-    })
-  end
-
-  mez.hook.add("ServerStartPost", {
-    callback = function()
-      print("ServerStartPost")
-      print("Doesn't do anything :(")
-    end
-  })
-
-  mez.hook.add("ViewMapPre", {
-    callback = function(v)
-      if ctx.tags[ctx.tag_id].master == nil then
-        ctx.tags[ctx.tag_id].master = v
-      else
-        table.insert(ctx.tags[ctx.tag_id].stack, #ctx.tags[ctx.tag_id].stack + 1, v)
-      end
-
-      mez.view.set_focused(v)
-
-      tile_all()
-    end
-  })
-
-  mez.hook.add("ViewUnmapPost", {
-    callback = function(v)
-      if v == ctx.tags[ctx.tag_id].master then
-        if #ctx.tags[ctx.tag_id].stack > 0 then
-          ctx.tags[ctx.tag_id].master = table.remove(ctx.tags[ctx.tag_id].stack, 1)
-          mez.view.set_focused(ctx.tags[ctx.tag_id].master)
-        else
-          ctx.tags[ctx.tag_id].master = nil
-        end
-      else
-        for i, id in ipairs(ctx.tags[ctx.tag_id].stack) do
-          if id == v then
-            if i == 1 then
-              mez.view.set_focused(ctx.tags[ctx.tag_id].master)
-            elseif i == #ctx.tags[ctx.tag_id].stack then
-              mez.view.set_focused(ctx.tags[ctx.tag_id].stack[i - 1])
-            else
-              mez.view.set_focused(ctx.tags[ctx.tag_id].stack[i + 1])
-            end
-
-            table.remove(ctx.tags[ctx.tag_id].stack, i)
-          end
-        end
-      end
-
-      tile_all()
-    end
-  })
-
-  mez.hook.add("ViewPointerMotion", {
-    callback = function (view_id, cursor_x, cursor_y)
-      mez.view.set_focused(view_id)
-    end
-  })
-
-  mez.input.add_keymap("alt", "p", {
-    press = function()
-      mez.api.spawn("wmenu-run")
-    end,
-  })
-
-  mez.input.add_keymap("alt", "b", {
-    press = function()
-      mez.api.spawn("swaybg -i ~/Images/wallpapers/void/gruv_void.png")
-    end,
-  })
-
-  mez.input.add_keymap("alt|shift", "Return", {
-    press = function()
-      mez.api.spawn("alacritty")
-    end,
-  })
-
-  mez.input.add_keymap("alt|shift", "C", {
-    press = function ()
-      mez.view.close(0)
-    end
-  })
-
-  mez.input.add_keymap("alt|shift", "q", {
-    press = function ()
-      mez.api.exit();
-    end
-  })
-
-  mez.input.add_keymap("alt", "Return", {
-    press = function()
-      local focused = mez.view.get_focused_id()
-
-      if focused == ctx.tags[ctx.tag_id].master then return end
-
-      for i, id in ipairs(ctx.tags[ctx.tag_id].stack) do
-        if focused == id then
-          local t = ctx.tags[ctx.tag_id].master
-          ctx.tags[ctx.tag_id].master = ctx.tags[ctx.tag_id].stack[i]
-          ctx.tags[ctx.tag_id].stack[i] = t
-        end
-      end
-
-      tile_all()
-    end,
-  })
-
-  mez.input.add_keymap("alt", "j", {
-    press = function ()
-      local focused = mez.view.get_focused_id()
-
-      if focused == ctx.tags[ctx.tag_id].master then
-        mez.view.set_focused(ctx.tags[ctx.tag_id].stack[1])
-      elseif focused == ctx.tags[ctx.tag_id].stack[#ctx.tags[ctx.tag_id].stack] then
-        mez.view.set_focused(ctx.tags[ctx.tag_id].master)
-      else
-        for i, id in ipairs(ctx.tags[ctx.tag_id].stack) do
-          -- TODO: use table.find
-          if focused == id then
-            mez.view.set_focused(ctx.tags[ctx.tag_id].stack[i + 1])
-          end
-        end
-      end
-    end
-  })
-
-  mez.input.add_keymap("alt", "k", {
-    press = function ()
-      local focused = mez.view.get_focused_id()
-
-      if focused == ctx.tags[ctx.tag_id].master then
-        mez.view.set_focused(ctx.tags[ctx.tag_id].stack[#ctx.tags[ctx.tag_id].stack])
-      elseif focused == ctx.tags[ctx.tag_id].stack[1] then
-        mez.view.set_focused(ctx.tags[ctx.tag_id].master)
-      else
-        for i, id in ipairs(ctx.tags[ctx.tag_id].stack) do
-          -- TODO: use table.find
-          if focused == id then
-            mez.view.set_focused(ctx.tags[ctx.tag_id].stack[i - 1])
-          end
-        end
-      end
-    end
-  })
-
-  mez.input.add_keymap("alt", "h", {
-    press = function()
-      if ctx.master_ratio > 0.15 then
-        ctx.master_ratio = ctx.master_ratio - 0.05
-        tile_all()
-      end
-    end
-  })
-
-  mez.input.add_keymap("alt", "l", {
-    press = function()
-      if ctx.master_ratio < 0.85 then
-        ctx.master_ratio = ctx.master_ratio + 0.05
-        tile_all()
-      end
-    end
-  })
-
-  mez.input.add_keymap("alt", "Tab", {
-    press = function ()
-      local focused = mez.view.get_focused_id()
-      local all = mez.view.get_all_ids()
-
-      for _, id in ipairs(all) do
-        if id ~= focused then
-          mez.view.set_focused(id)
-          return
-        end
-      end
-    end
-  })
-
-  for i = 1, 12 do
-    mez.input.add_keymap("ctrl|alt", "XF86Switch_VT_"..i, {
-      press = function() mez.api.change_vt(i) end
-    })
-  end
-end
-
-master()
-
-function print_table(tbl, indent, seen)
-    indent = indent or 0
-    seen = seen or {}
-
-    -- Prevent infinite loops from circular references
-    if seen[tbl] then
-        print(string.rep("  ", indent) .. "...(circular reference)")
-        return
-    end
-    seen[tbl] = true
-
-    for key, value in pairs(tbl) do
-        local formatting = string.rep("  ", indent) .. tostring(key) .. ": "
-
-        if type(value) == "table" then
-            print(formatting .. "{")
-            print_table(value, indent + 1, seen)
-            print(string.rep("  ", indent) .. "}")
-        elseif type(value) == "string" then
-            print(formatting .. '"' .. value .. '"')
-        else
-            print(formatting .. tostring(value))
-        end
-    end
-end
-

runtime/share/mezzaluna/inspect.lua

@@ -0,0 +1,355 @@
+local _tl_compat; if (tonumber((_VERSION or ''):match('[%d.]*$')) or 0) < 5.3 then local p, m = pcall(require, 'compat53.module'); if p then _tl_compat = m end end; local math = _tl_compat and _tl_compat.math or math; local string = _tl_compat and _tl_compat.string or string; local table = _tl_compat and _tl_compat.table or table; local type = type
+local inspect = { Options = {} }
+
+inspect._VERSION = 'inspect.lua 3.1.0'
+inspect._URL = 'http://github.com/kikito/inspect.lua'
+inspect._DESCRIPTION = 'human-readable representations of tables'
+inspect._LICENSE = [[
+  MIT LICENSE
+
+  Copyright (c) 2022 Enrique García Cota
+
+  Permission is hereby granted, free of charge, to any person obtaining a
+  copy of this software and associated documentation files (the
+  "Software"), to deal in the Software without restriction, including
+  without limitation the rights to use, copy, modify, merge, publish,
+  distribute, sublicense, and/or sell copies of the Software, and to
+  permit persons to whom the Software is furnished to do so, subject to
+  the following conditions:
+
+  The above copyright notice and this permission notice shall be included
+  in all copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+  CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+  TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+  SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+]]
+inspect.KEY = setmetatable({}, { __tostring = function() return 'inspect.KEY' end })
+inspect.METATABLE = setmetatable({}, { __tostring = function() return 'inspect.METATABLE' end })
+
+local tostring = tostring
+local rep = string.rep
+local match = string.match
+local char = string.char
+local gsub = string.gsub
+local fmt = string.format
+
+local _rawget
+if rawget then
+   _rawget = rawget
+else
+   _rawget = function(t, k) return t[k] end
+end
+
+local function rawpairs(t)
+   return next, t, nil
+end
+
+
+
+local function smartQuote(str)
+   if match(str, '"') and not match(str, "'") then
+      return "'" .. str .. "'"
+   end
+   return '"' .. gsub(str, '"', '\\"') .. '"'
+end
+
+
+local shortControlCharEscapes = {
+   ["\a"] = "\\a", ["\b"] = "\\b", ["\f"] = "\\f", ["\n"] = "\\n",
+   ["\r"] = "\\r", ["\t"] = "\\t", ["\v"] = "\\v", ["\127"] = "\\127",
+}
+local longControlCharEscapes = { ["\127"] = "\127" }
+for i = 0, 31 do
+   local ch = char(i)
+   if not shortControlCharEscapes[ch] then
+      shortControlCharEscapes[ch] = "\\" .. i
+      longControlCharEscapes[ch] = fmt("\\%03d", i)
+   end
+end
+
+local function escape(str)
+   return (gsub(gsub(gsub(str, "\\", "\\\\"),
+   "(%c)%f[0-9]", longControlCharEscapes),
+   "%c", shortControlCharEscapes))
+end
+
+local luaKeywords = {
+   ['and'] = true,
+   ['break'] = true,
+   ['do'] = true,
+   ['else'] = true,
+   ['elseif'] = true,
+   ['end'] = true,
+   ['false'] = true,
+   ['for'] = true,
+   ['function'] = true,
+   ['goto'] = true,
+   ['if'] = true,
+   ['in'] = true,
+   ['local'] = true,
+   ['nil'] = true,
+   ['not'] = true,
+   ['or'] = true,
+   ['repeat'] = true,
+   ['return'] = true,
+   ['then'] = true,
+   ['true'] = true,
+   ['until'] = true,
+   ['while'] = true,
+}
+
+local function isIdentifier(str)
+   return type(str) == "string" and
+   not not str:match("^[_%a][_%a%d]*$") and
+   not luaKeywords[str]
+end
+
+local flr = math.floor
+local function isSequenceKey(k, sequenceLength)
+   return type(k) == "number" and
+   flr(k) == k and
+   1 <= (k) and
+   k <= sequenceLength
+end
+
+local defaultTypeOrders = {
+   ['number'] = 1, ['boolean'] = 2, ['string'] = 3, ['table'] = 4,
+   ['function'] = 5, ['userdata'] = 6, ['thread'] = 7,
+}
+
+local function sortKeys(a, b)
+   local ta, tb = type(a), type(b)
+
+
+   if ta == tb and (ta == 'string' or ta == 'number') then
+      return (a) < (b)
+   end
+
+   local dta = defaultTypeOrders[ta] or 100
+   local dtb = defaultTypeOrders[tb] or 100
+
+
+   return dta == dtb and ta < tb or dta < dtb
+end
+
+local function getKeys(t)
+
+   local seqLen = 1
+   while _rawget(t, seqLen) ~= nil do
+      seqLen = seqLen + 1
+   end
+   seqLen = seqLen - 1
+
+   local keys, keysLen = {}, 0
+   for k in rawpairs(t) do
+      if not isSequenceKey(k, seqLen) then
+         keysLen = keysLen + 1
+         keys[keysLen] = k
+      end
+   end
+   table.sort(keys, sortKeys)
+   return keys, keysLen, seqLen
+end
+
+local function countCycles(x, cycles)
+   if type(x) == "table" then
+      if cycles[x] then
+         cycles[x] = cycles[x] + 1
+      else
+         cycles[x] = 1
+         for k, v in rawpairs(x) do
+            countCycles(k, cycles)
+            countCycles(v, cycles)
+         end
+         countCycles(getmetatable(x), cycles)
+      end
+   end
+end
+
+local function makePath(path, a, b)
+   local newPath = {}
+   local len = #path
+   for i = 1, len do newPath[i] = path[i] end
+
+   newPath[len + 1] = a
+   newPath[len + 2] = b
+
+   return newPath
+end
+
+
+local function processRecursive(process,
+   item,
+   path,
+   visited)
+   if item == nil then return nil end
+   if visited[item] then return visited[item] end
+
+   local processed = process(item, path)
+   if type(processed) == "table" then
+      local processedCopy = {}
+      visited[item] = processedCopy
+      local processedKey
+
+      for k, v in rawpairs(processed) do
+         processedKey = processRecursive(process, k, makePath(path, k, inspect.KEY), visited)
+         if processedKey ~= nil then
+            processedCopy[processedKey] = processRecursive(process, v, makePath(path, processedKey), visited)
+         end
+      end
+
+      local mt = processRecursive(process, getmetatable(processed), makePath(path, inspect.METATABLE), visited)
+      if type(mt) ~= 'table' then mt = nil end
+      setmetatable(processedCopy, mt)
+      processed = processedCopy
+   end
+   return processed
+end
+
+local function puts(buf, str)
+   buf.n = buf.n + 1
+   buf[buf.n] = str
+end
+
+
+
+local Inspector = {}
+
+
+
+
+
+
+
+
+
+
+local Inspector_mt = { __index = Inspector }
+
+local function tabify(inspector)
+   puts(inspector.buf, inspector.newline .. rep(inspector.indent, inspector.level))
+end
+
+function Inspector:getId(v)
+   local id = self.ids[v]
+   local ids = self.ids
+   if not id then
+      local tv = type(v)
+      id = (ids[tv] or 0) + 1
+      ids[v], ids[tv] = id, id
+   end
+   return tostring(id)
+end
+
+function Inspector:putValue(v)
+   local buf = self.buf
+   local tv = type(v)
+   if tv == 'string' then
+      puts(buf, smartQuote(escape(v)))
+   elseif tv == 'number' or tv == 'boolean' or tv == 'nil' or
+      tv == 'cdata' or tv == 'ctype' then
+      puts(buf, tostring(v))
+   elseif tv == 'table' and not self.ids[v] then
+      local t = v
+
+      if t == inspect.KEY or t == inspect.METATABLE then
+         puts(buf, tostring(t))
+      elseif self.level >= self.depth then
+         puts(buf, '{...}')
+      else
+         if self.cycles[t] > 1 then puts(buf, fmt('<%d>', self:getId(t))) end
+
+         local keys, keysLen, seqLen = getKeys(t)
+
+         puts(buf, '{')
+         self.level = self.level + 1
+
+         for i = 1, seqLen + keysLen do
+            if i > 1 then puts(buf, ',') end
+            if i <= seqLen then
+               puts(buf, ' ')
+               self:putValue(t[i])
+            else
+               local k = keys[i - seqLen]
+               tabify(self)
+               if isIdentifier(k) then
+                  puts(buf, k)
+               else
+                  puts(buf, "[")
+                  self:putValue(k)
+                  puts(buf, "]")
+               end
+               puts(buf, ' = ')
+               self:putValue(t[k])
+            end
+         end
+
+         local mt = getmetatable(t)
+         if type(mt) == 'table' then
+            if seqLen + keysLen > 0 then puts(buf, ',') end
+            tabify(self)
+            puts(buf, '<metatable> = ')
+            self:putValue(mt)
+         end
+
+         self.level = self.level - 1
+
+         if keysLen > 0 or type(mt) == 'table' then
+            tabify(self)
+         elseif seqLen > 0 then
+            puts(buf, ' ')
+         end
+
+         puts(buf, '}')
+      end
+
+   else
+      puts(buf, fmt('<%s %d>', tv, self:getId(v)))
+   end
+end
+
+
+
+
+function inspect.inspect(root, options)
+   options = options or {}
+
+   local depth = options.depth or (math.huge)
+   local newline = options.newline or '\n'
+   local indent = options.indent or '  '
+   local process = options.process
+
+   if process then
+      root = processRecursive(process, root, {}, {})
+   end
+
+   local cycles = {}
+   countCycles(root, cycles)
+
+   local inspector = setmetatable({
+      buf = { n = 0 },
+      ids = {},
+      cycles = cycles,
+      depth = depth,
+      level = 0,
+      newline = newline,
+      indent = indent,
+   }, Inspector_mt)
+
+   inspector:putValue(root)
+
+   return table.concat(inspector.buf)
+end
+
+setmetatable(inspect, {
+   __call = function(_, root, options)
+      return inspect.inspect(root, options)
+   end,
+})
+
+return inspect

src/RemoteLua.zig

@@ -37,6 +37,9 @@ pub fn create(client: *wl.Client, version: u32, id: u32) !void {
   errdefer node.L.deinit();
   node.L.openLibs();
   Lua.openLibs(node.L);
+  Lua.loadRuntimeDir(node.L) catch |err| if (err == error.LuaRuntime) {
+    std.log.warn("{s}", .{try node.L.toString(-1)});
+  };
   // TODO: replace stdout and stderr with buffers we can send to the clients
 
   server.remote_lua_clients.prepend(&node.node);

src/lua/Bridge.zig

@@ -1,25 +1,25 @@
 const Bridge = @This();
 
 const std = @import("std");
-const Lua = @import("Lua.zig");
+const zlua = @import("zlua");
 
 const gpa = std.heap.c_allocator;
 
-pub fn getNestedField(L: *Lua, path: []u8) bool {
+pub fn getNestedField(L: *zlua.Lua, path: []u8) bool {
   var tokens = std.mem.tokenizeScalar(u8, path, '.');
   var first = true;
 
   while (tokens.next()) |token| {
     const tok = gpa.dupeZ(u8, token) catch return false;
     if (first) {
-      _ = L.state.getGlobal(tok) catch return false;
+      _ = L.getGlobal(tok) catch return false;
       first = false;
     } else {
-      _ = L.state.getField(-1, tok);
+      _ = L.getField(-1, tok);
-      L.state.remove(-2);
+      L.remove(-2);
     }
 
-    if (L.state.isNil(-1)) {
+    if (L.isNil(-1)) {
       return false;
     }
   }

src/lua/Lua.zig

@@ -16,33 +16,60 @@ const gpa = std.heap.c_allocator;
 
 state: *zlua.Lua,
 
-fn loadRuntimeDir(self: *Lua) !void {
+pub fn loadRuntimeDir(self: *zlua.Lua) !void {
-  const tmppath = try std.fs.path.join(gpa, &[_][]const u8{
+  const path_dir = try std.fs.path.joinZ(gpa, &[_][]const u8{
     config.runtime_path_prefix,
     "share",
     "mezzaluna",
+  });
+  defer gpa.free(path_dir);
+
+  {
+    _ = try self.getGlobal("mez");
+    _ = self.getField(-1, "path");
+    defer self.pop(2);
+    _ = self.pushString(path_dir);
+    self.setField(-2, "runtime");
+  }
+
+  const path_full = try std.fs.path.joinZ(gpa, &[_][]const u8{
+    path_dir,
     "init.lua",
   });
-  const path = try gpa.dupeZ(u8, tmppath);
+  defer gpa.free(path_full);
 
-  self.state.doFile(path) catch {
+  self.doFile(path_full) catch {
-    const err = try self.state.toString(-1);
+    const err = try self.toString(-1);
     std.log.debug("Failed to run lua file: {s}", .{err});
   };
 }
 
-fn loadConfigDir(self: *Lua) !void {
+fn loadBaseConfig(self: *zlua.Lua) !void {
+  const lua_path = "mez.path.base_config";
+  if (!Bridge.getNestedField(self, @constCast(lua_path[0..]))) {
+    std.log.err("Base config path not found. is your runtime dir setup?", .{});
+    return;
+  }
+  const path = self.toString(-1) catch |err| {
+    std.log.err("Failed to pop the base config path from the lua stack. {}", .{err});
+    return;
+  };
+  self.pop(-1);
+  try self.doFile(path);
+}
+
+fn loadConfigDir(self: *zlua.Lua) !void {
   const lua_path = "mez.path.config";
   if (!Bridge.getNestedField(self, @constCast(lua_path[0..]))) {
     std.log.err("Config path not found. is your runtime dir setup?", .{});
     return;
   }
-  const path = self.state.toString(-1) catch |err| {
+  const path = self.toString(-1) catch |err| {
     std.log.err("Failed to pop the config path from the lua stack. {}", .{err});
     return;
   };
-  self.state.pop(-1);
+  self.pop(-1);
-  try self.state.doFile(path);
+  try self.doFile(path);
 }
 
 pub fn openLibs(self: *zlua.Lua) void {
@@ -93,16 +120,16 @@ pub fn init(self: *Lua) !void {
 
   openLibs(self.state);
 
-  loadRuntimeDir(self) catch |err| {
+  loadRuntimeDir(self.state) catch |err| if (err == error.LuaRuntime) {
-    if (err == error.LuaRuntime) {
+    std.log.warn("{s}", .{try self.state.toString(-1)});
-      std.log.warn("{s}", .{try self.state.toString(-1)});
-    }
   };
 
-  loadConfigDir(self) catch |err| {
+  loadBaseConfig(self.state) catch |err| if (err == error.LuaRuntime) {
-    if (err == error.LuaRuntime) {
+    std.log.warn("{s}", .{try self.state.toString(-1)});
-      std.log.warn("{s}", .{try self.state.toString(-1)});
+  };
-    }
+
+  loadConfigDir(self.state) catch |err| if (err == error.LuaRuntime) {
+    std.log.warn("{s}", .{try self.state.toString(-1)});
   };
 
   std.log.debug("Loaded lua", .{});