Add emmylua build script

Author: sapphyrus

build_emmylua.rb

@@ -0,0 +1,47 @@
+require "bundler/inline"
+
+gemfile do
+	source "https://rubygems.org"
+
+	require "json"
+	require "pathname"
+
+	gem "pry"
+end
+
+BUILD_DIR = Pathname.new("build/")
+SRC_DIR = Pathname.new("src/")
+
+globals = JSON.parse((BUILD_DIR + "globals.json").read)
+
+contents = []
+contents << "--[[EmmyLua]]"
+
+globals.sort.each do |global, functions|
+	contents << ""
+	contents << "-- #{global}:"
+	contents << ""
+	contents << "#{global} = {}"
+	contents << ""
+
+	functions.each do |name, documentation|
+		contents << "---"
+
+		if documentation.key? "description"
+			contents << "--- #{documentation["description"]}"
+			contents << "---"
+		end
+		documentation["args"].each do |arg|
+			contents << "--- `#{arg["name"]}`#{arg.key?("description") ? ": #{arg["description"]}" : ""}"
+		end
+		documentation["args"].each do |arg|
+			contents << "---@param #{arg["name"]}#{arg.key?("type") ? " #{arg["type"]}" : ""}"
+		end
+
+		contents << "---@return #{documentation["return_type"]}#{documentation.key?("return_description") ? " #{documentation["return_description"]}" : ""}" if documentation.key? "return_type"
+		contents << "function #{global}.#{name}(#{documentation["args"].map{|arg| arg["name"]}.join(", ")}) end"
+		contents << ""
+	end
+end
+
+puts contents.join("\n")