Tools - add barebones REPL

This can be used as a template for integration with external tools

app/server/ruby/bin/repl.rb

@@ -0,0 +1,72 @@
+require 'open3'
+
+require_relative "../lib/sonicpi/osc/osc"
+require_relative "../paths"
+require_relative "../lib/sonicpi/promise"
+
+## This is a very simple barebones REPL for Sonic Pi
+## All stdin is sent to Sonic Pi for evaluation and output is sent to stdout
+## It also ensures the server is kept alive.
+
+module SonicPi
+  class Repl
+    def initialize()
+      daemon_stdin, daemon_stdout_and_err, daemon_wait_thr = Open3.popen2e Paths.ruby_path, Paths.daemon_path
+
+      puts "Sonic Pi Daemon started with PID: #{daemon_wait_thr.pid}"
+      puts "Log files are located at: #{Paths.log_path}"
+
+      daemon_info_prom = Promise.new
+
+      daemon_io_thr = Thread.new do
+        daemon_stdout_and_err.each do |line|
+          line = line.force_encoding("UTF-8")
+          daemon_info_prom.deliver! line
+          Thread.current.kill
+        end
+      end
+
+      daemon_info = daemon_info_prom.get.split.map(&:to_i)
+
+      daemon_port = daemon_info[0]
+      gui_listen_to_spider_port = daemon_info[1]
+      gui_send_to_spider_port = daemon_info[2]
+      scsynth_port = daemon_info[3]
+      osc_cues_port = daemon_info[4]
+      tau_port = daemon_info[5]
+      tau_booter_port = daemon_info[6]
+      daemon_token = daemon_info[7]
+
+      puts "OSC Cues port: #{osc_cues_port}"
+
+      daemon_zombie_feeder = Thread.new do
+        osc_client = OSC::UDPClient.new("localhost", daemon_port)
+
+        at_exit do
+          puts "Killing the Daemon..."
+          osc_client.send("/daemon/exit", daemon_token)
+        end
+
+        loop do
+          osc_client.send("/daemon/keep-alive", daemon_token)
+          sleep 5
+        end
+      end
+
+      repl_print_osc_server = OSC::UDPServer.new(gui_listen_to_spider_port)
+      repl_print_osc_server.add_global_method do |osc_path, msg|
+        puts "#{osc_path} #{msg[1]}"
+      end
+
+      repl_eval_osc_client = OSC::UDPClient.new("localhost", gui_send_to_spider_port)
+
+      loop do
+        input = gets
+        repl_eval_osc_client.send("/run-code", daemon_token, input)
+      end
+    end
+  end
+end
+
+
+SonicPi::Repl.new()

app/server/ruby/paths.rb

@@ -275,6 +275,10 @@ def self.ruby_path
       end
     end
 
+    def self.daemon_path
+      File.absolute_path("#{server_path}/ruby/bin/daemon.rb")
+    end
+
 
     def self.tau_boot_path
       case os

bin/sonic-pi-repl.bat

@@ -0,0 +1,18 @@
+@echo off
+REM Note: set the SONIC_PI_HOME env variable to specify the location of the log files
+REM       otherwise it will default to Sonic Pi's standard location in the home directory
+
+set SCRIPT_DIR=%~dp0
+set WORKING_DIR=%cd%
+
+set RUBY_PATH=%SCRIPT_DIR%\..\app\server\native\ruby\bin\ruby.exe
+if not exist "%RUBY_PATH%" (
+  set RUBY_PATH=ruby
+)
+
+cd "%SCRIPT_DIR%"
+"%RUBY_PATH%" "..\app\server\ruby\bin\repl.rb"
+
+REM Restore working directory as it was prior to this script running...
+echo Goodbye...
+cd "%WORKING_DIR%"

bin/sonic-pi-repl.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+## Note: set the SONIC_PI_HOME env variable to specify the location of the log files
+##       otherwise it will default to Sonic Pi's standard location in the home directory
+
+set -e # Quit script on error
+
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+WORKING_DIR="$(pwd)"
+
+cleanup_function() {
+    echo "Goodbye..."
+    cd "${WORKING_DIR}"
+}
+
+RUBY_PATH="${SCRIPT_DIR}/../app/server/native/ruby/bin/ruby"
+if [ ! -x "${RUBY_PATH}" ]; then
+  RUBY_PATH="ruby"
+fi
+
+
+cd "${SCRIPT_DIR}"
+"${RUBY_PATH}" "../app/server/ruby/bin/repl.rb"
+
+# Restore working directory as it was prior to this script running...
+trap cleanup_function EXIT