First commit

Hot reloads the plugin in the current editor. It will unregister the plugin and register it again, in order to avoid sideffects like duplicate menu entries, etc.
missing attribution

missing attributioon of 0 to warnings
Revert "First commit"

This reverts commit 7f15d0e.

reloadplugin.lua

@@ -0,0 +1,107 @@
+-- @LICENSE MIT
+-- Copyright 2017 Paul Kulchenko, ZeroBrane LLC;
+-- Contributed by Chronos Phaenon Eosphoros (@cpeosphoros)
+-- Hot reloads the plugin in the current editor. It will unregister and register
+-- again the plugin, in order to avoid sideffects like duplicate menu entries,
+-- etc.
+
+local id = ID("reloadplugin.reloadplugin")
+
+local function print(...)
+	ide:Print(...)
+end
+
+local function printf(...)
+	ide:Print(string.format(...))
+end
+
+-- snippet taken from plugin analyzeall.lua
+-- Copyright 2014 Paul Kulchenko, ZeroBrane LLC;
+local function analyze(filePath)
+	local warn, err = AnalyzeFile(filePath)
+	local errors, warnings = 0, 0
+	if err then
+		print(err)
+		errors = errors + 1
+	elseif #warn > 0 then
+		for _, msg in ipairs(warn) do print(msg) end
+		warnings = warnings + #warn
+	end
+	return errors, warnings
+end
+
+local function splitName(fname)
+	local _,_, name, extension = string.find(fname, "^(.+)%.(.+)$")
+	name = name or ""
+	extension  = extension or ""
+	return name, extension
+end
+
+local function doFile (filename)
+	local res = {pcall(loadfile, filename)}
+	local ok = table.remove(res, 1)
+	return ok, table.unpack(res)
+end
+
+-- If you use a directory different than ide:GetPackagePath() for plugin
+-- development, an OS fylesystem link from your plugin to
+-- ide:GetPackagePath(yourplugin) will be needed. It could have been implemented
+-- with doc:GetFilePath(), but wasn't to avoid versioning errors.
+local function loadPlugin()
+	local editor = ide:GetEditorWithFocus()
+	if not editor then print("Error: No editor.") return end
+	local doc = ide:GetDocument(editor)
+	if doc:IsNew() then print("Error: New document.") return end
+	if doc:IsModified() and not doc:Save() then
+		print("Error: Document not saved.")
+		return
+	end
+	local fname = doc:GetFileName()
+	local name, extension = splitName(fname)
+	if extension ~= "lua" then print("Error: Not a .lua file.") return end
+	local _package = ide:GetPackage(name)
+	if not _package then print ("Error: Package not registered.") return end
+	--local fpath = doc:GetFilePath()
+	local fpath = ide:GetPackagePath() .. fname
+	local errors = analyze(fpath)
+	if errors ~= 0 then return end
+	printf("Loading %s.", fname)
+	local ok, package = doFile(fpath)
+	if not ok then
+		print(package)
+		print("Error: Not a valid plugin.")
+		return
+	end
+	ok, package = pcall(package)
+	if not ok then
+		print(package)
+		printf("Error calling %s. Package not loaded.", fpath)
+		return
+	end
+	if _package.onUnRegister then _package.onUnRegister(_package) end
+	if package.onRegister and package.onRegister(package) == false then
+		ide:RemovePackage(_package.fname)
+		print("onRegister returned false. Package unloaded.")
+		return
+	end
+	package = ide:AddPackage(name, package)
+	printf("Done loading %s.", package.fname)
+end
+
+return {
+	name = "Plugin hot reloader",
+	description = [[Hot reloads the plugin in the current editor, in order to
+avoid closing/reopening the IDE when developing plugins.]],
+	author = "Chronos Phaenon Eosphoros",
+	version = 0.1,
+	dependencies = "1.60",
+
+	onRegister = function(self)
+		ide:FindTopMenu("&Project"):Append(id, "Hot reload plugin\tAlt-R")
+		ide:GetMainFrame():Connect(id, wx.wxEVT_COMMAND_MENU_SELECTED,loadPlugin)
+	 end,
+
+	onUnRegister = function(self)
+		ide:RemoveMenuItem(id)
+	end,
+}