bootstrap

internal/bootstrap.cm

@@ -123,37 +123,51 @@ function use_fn(path) {
 // Helper to load engine.cm and run it with given env
 function load_engine(env) {
   var engine_path = core_path + '/internal/engine.mach'
+  var data = null
+  var engine_src = null
+  var engine_ast = null
   if (fd.is_file(engine_path)) {
-    var data = fd.slurp(engine_path)
+    data = fd.slurp(engine_path)
     return mach_load(data, env)
   }
   engine_path = core_path + '/internal/engine.cm'
-  var engine_src = text(fd.slurp(engine_path))
+  engine_src = text(fd.slurp(engine_path))
-  var engine_ast = analyze(engine_src, engine_path)
+  engine_ast = analyze(engine_src, engine_path)
   return run_ast('engine', engine_ast, env)
 }
 
 // Detect mode and route
 // CLI mode has 'args'; actor spawn mode has 'init'
+var program = null
+var user_args = []
+var _j = 0
+var script_file = null
+var script = null
+var ast = null
+
 if (args != null) {
   // CLI mode — run script directly
-  var program = args[0]
+  program = args[0]
-  var user_args = []
+  _j = 1
-  var _j = 1
   while (_j < length(args)) {
     push(user_args, args[_j])
     _j = _j + 1
   }
 
-  var script_file = program
+  script_file = program
   if (!ends_with(script_file, '.ce') && !ends_with(script_file, '.cm'))
     script_file = program + '.cm'
 
+  // Search CWD then core_path, trying .cm then .ce
   if (!fd.is_file(script_file))
     script_file = core_path + '/' + program + '.cm'
+  if (!fd.is_file(script_file))
+    script_file = program + '.ce'
+  if (!fd.is_file(script_file))
+    script_file = core_path + '/' + program + '.ce'
 
-  var script = text(fd.slurp(script_file))
+  script = text(fd.slurp(script_file))
-  var ast = analyze(script, script_file)
+  ast = analyze(script, script_file)
   run_ast(program, ast, {use: use_fn, args: user_args, json: json})
 } else {
   // Actor spawn mode — load engine.cm with full actor env

internal/engine.cm

@@ -6,17 +6,13 @@ var SYSYM = '__SYSTEM__'
 var _cell = {}
 var need_stop = false
 
-var dylib_ext
-
 var cases = {
   Windows: '.dll',
   macOS: '.dylib',
   Linux: '.so'
 }
 
-print(os.platform())
+var dylib_ext = cases[os.platform()]
-
-dylib_ext = cases[os.platform()]
 
 var MOD_EXT = '.cm'
 var ACTOR_EXT = '.ce'  
@@ -67,11 +63,14 @@ function use_core(path) {
     return use_cache[cache_key]
 
   var sym = use_embed(replace(path, '/', '_'))
+  var result = null
+  var script = null
+  var ast = null
 
   // Check for pre-compiled .mach file first
   var mach_path = core_path + '/' + path + '.mach'
   if (fd.is_file(mach_path)) {
-    var result = mach_load(fd.slurp(mach_path), {use: use_core})
+    result = mach_load(fd.slurp(mach_path), {use: use_core})
     use_cache[cache_key] = result
     return result
   }
@@ -79,9 +78,9 @@ function use_core(path) {
   // Fall back to source .cm file — compile at runtime
   var file_path = core_path + '/' + path + MOD_EXT
   if (fd.is_file(file_path)) {
-    var script = text(fd.slurp(file_path))
+    script = text(fd.slurp(file_path))
-    var ast = analyze(script, file_path)
+    ast = analyze(script, file_path)
-    var result = run_ast_fn('core:' + path, ast, {use: use_core})
+    result = run_ast_fn('core:' + path, ast, {use: use_core})
     use_cache[cache_key] = result
     return result
   }
@@ -108,21 +107,24 @@ function is_actor(value) {
 var ENETSERVICE = 0.1
 var REPLYTIMEOUT = 60 // seconds before replies are ignored
 
-function caller_data(depth = 0)
+function caller_data(depth)
 {
+  var _depth = depth == null ? 0 : depth
   var file = "nofile"
   var line = 0
-  
+  var md = null
-  var caller = array(Error().stack, "\n")[1+depth]
+  var m = null
+
+  var caller = array(Error().stack, "\n")[1+_depth]
   if (caller) {
-    var md = extract(caller, /\((.*)\:/)
+    md = extract(caller, /\((.*)\:/)
-    var m = md ? md[1] : "SCRIPT"
+    m = md ? md[1] : "SCRIPT"
     if (m) file = m
     md = extract(caller, /\:(\d*)\)/)
     m = md ? md[1] : 0
     if (m) line = m
   }
-  
+
   return {file,line}
 }
 
@@ -152,6 +154,9 @@ function log(name, args) {
 
 function actor_die(err)
 {
+  var reason = null
+  var unders = null
+
   if (err && is_function(err.toString)) {
     os.print(err.toString())
     os.print("\n")
@@ -161,14 +166,14 @@ function actor_die(err)
   if (overling) {
     if (err) {
       // with an err, this is a forceful disrupt
-      var reason = (is_proto(err, Error)) ? err.stack : err
+      reason = (is_proto(err, Error)) ? err.stack : err
       report_to_overling({type:'disrupt', reason})
     } else
       report_to_overling({type:'stop'})
   }
 
   if (underlings) {
-    var unders = array(underlings)
+    unders = array(underlings)
     arrfor(unders, function(id, index) {
       log.console(`calling on ${id} to disrupt too`)
       $_.stop(create_actor({id}))
@@ -192,9 +197,10 @@ function actor_die(err)
 _cell.args = init != null ? init : {}
 _cell.id = "newguy"
 
-function create_actor(desc = {id:guid()}) {
+function create_actor(desc) {
+  var _desc = desc == null ? {id:guid()} : desc
   var actor = {}
-  actor[ACTORDATA] = desc
+  actor[ACTORDATA] = _desc
   return actor
 }
 
@@ -343,9 +349,10 @@ REPLYTIMEOUT = config.reply_timeout
   }
 */
 
-function guid(bits = 256)
+function guid(bits)
 {
-  var guid = blob(bits, os.random)
+  var _bits = bits == null ? 256 : bits
+  var guid = blob(_bits, os.random)
   stone(guid)
   return text(guid,'h')
 }
@@ -427,13 +434,16 @@ $_.portal = function(fn, port) {
 }
 
 function handle_host(e) {
+  var queue = null
+  var data = null
+
   if (e.type == "connect") {
     log.system(`connected a new peer: ${e.peer.address}:${e.peer.port}`)
     peers[`${e.peer.address}:${e.peer.port}`] = e.peer
-    var queue = peer_queue.get(e.peer)
+    queue = peer_queue.get(e.peer)
     if (queue) {
       arrfor(queue, (msg, index) => e.peer.send(nota.encode(msg)))
-      log.system(`sent ${msg} out of queue`)
+      log.system(`sent queue out of queue`)
       peer_queue.delete(e.peer)
     }
   } else if (e.type == "disconnect") {
@@ -443,27 +453,28 @@ function handle_host(e) {
     })
     log.system('portal got disconnect from ' + e.peer.address + ":" + e.peer.port)
   } else if (e.type == "receive") {
-    var data = nota.decode(e.data)
+    data = nota.decode(e.data)
     if (data.replycc && !data.replycc.address) {
       data.replycc[ACTORDATA].address = e.peer.address
       data.replycc[ACTORDATA].port = e.peer.port
     }
-    function populate_actor_addresses(obj) {
+    if (data.data) populate_actor_addresses(data.data, e)
-      if (!is_object(obj)) return
-      if (obj[ACTORDATA] && !obj[ACTORDATA].address) {
-        obj[ACTORDATA].address = e.peer.address
-        obj[ACTORDATA].port = e.peer.port
-      }
-      arrfor(array(obj), function(key, index) {
-        if (key in obj)
-          populate_actor_addresses(obj[key])
-      })
-    }
-    if (data.data) populate_actor_addresses(data.data)
     turn(data)
   }
 }
 
+function populate_actor_addresses(obj, e) {
+  if (!is_object(obj)) return
+  if (obj[ACTORDATA] && !obj[ACTORDATA].address) {
+    obj[ACTORDATA].address = e.peer.address
+    obj[ACTORDATA].port = e.peer.port
+  }
+  arrfor(array(obj), function(key, index) {
+    if (key in obj)
+      populate_actor_addresses(obj[key], e)
+  })
+}
+
 // takes a callback function, an actor object, and a configuration record for getting information about the status of a connection to the actor. The configuration record is used to request the sort of information that needs to be communicated. This can include latency, bandwidth, activity, congestion, cost, partitions. The callback is given a record containing the requested information.
 $_.contact = function(callback, record) {
   send(create_actor(record), record, callback)
@@ -512,12 +523,13 @@ $_.unneeded = function unneeded(fn, seconds) {
 }
 
 // schedules the invocation of a function after a specified amount of time.
-$_.delay = function delay(fn, seconds = 0) {
+$_.delay = function delay(fn, seconds) {
+  var _seconds = seconds == null ? 0 : seconds
   function delay_turn() {
     fn()
     send_messages()
   }
-  var id = actor_mod.delay(delay_turn, seconds)
+  var id = actor_mod.delay(delay_turn, _seconds)
   return function() { actor_mod.removetimer(id) }
 }
 
@@ -542,6 +554,9 @@ function actor_send_immediate(actor, send) {
 }
 
 function actor_send(actor, message) {
+  var wota_blob = null
+  var peer = null
+
   if (actor[HEADER] && !actor[HEADER].replycc) // attempting to respond to a message but sender is not expecting; silently drop
     return
 
@@ -560,22 +575,21 @@ function actor_send(actor, message) {
     if (receive_fn) receive_fn(message.data)
     return
   }
-  
+
   // message to actor in same flock
   if (actor[ACTORDATA].id && actor_mod.mailbox_exist(actor[ACTORDATA].id)) {
-    var wota_blob = wota.encode(message)
+    wota_blob = wota.encode(message)
-//    log.console(`sending wota blob of ${length(wota_blob)/8} bytes`)
     actor_mod.mailbox_push(actor[ACTORDATA].id, wota_blob)
     return
   }
-  
+
   if (actor[ACTORDATA].address) {
     if (actor[ACTORDATA].id)
       message.target = actor[ACTORDATA].id
     else
       message.type = "contact"
-      
+
-    var peer = peers[actor[ACTORDATA].address + ":" + actor[ACTORDATA].port]
+    peer = peers[actor[ACTORDATA].address + ":" + actor[ACTORDATA].port]
     if (!peer) {
       if (!portal) {
         log.system(`creating a contactor ...`)
@@ -619,6 +633,11 @@ function send_messages() {
 var replies = {}
 
 function send(actor, message, reply) {
+  var send_msg = null
+  var target = null
+  var header = null
+  var id = null
+
   if (!is_object(actor)) {
     log.error(`Must send to an actor object. Provided: ${actor}`)
     disrupt
@@ -628,11 +647,11 @@ function send(actor, message, reply) {
     log.error('Message must be an object')
     disrupt
   }
-  var send_msg = {type:"user", data: message}
+  send_msg = {type:"user", data: message}
-  var target = actor
+  target = actor
 
   if (actor[HEADER] && actor[HEADER].replycc) {
-    var header = actor[HEADER]
+    header = actor[HEADER]
     if (!header.replycc || !is_actor(header.replycc)) {
       log.error(`Supplied actor had a return, but it's not a valid actor! ${actor[HEADER]}`)
       disrupt
@@ -643,7 +662,7 @@ function send(actor, message, reply) {
   }
 
   if (reply) {
-    var id = guid()
+    id = guid()
     replies[id] = reply
     $_.delay(_ => {
       if (replies[id]) {
@@ -728,18 +747,21 @@ function handle_actor_disconnect(id) {
 
 function handle_sysym(msg)
 {
-  var from
+  var from = null
+  var greeter = null
+  var letter2 = null
+
   if (msg.kind == 'stop') {
     actor_die("got stop message")
   } else if (msg.kind == 'underling') {
     from = msg.from
-    var greeter = greeters[from[ACTORDATA].id]
+    greeter = greeters[from[ACTORDATA].id]
     if (greeter) greeter(msg.message)
     if (msg.message.type == 'disrupt')
       delete underlings[from[ACTORDATA].id]
   } else if (msg.kind == 'contact') {
     if (portal_fn) {
-      var letter2 = msg.data
+      letter2 = msg.data
       letter2[HEADER] = msg
       delete msg.data
       portal_fn(letter2)
@@ -756,13 +778,16 @@ function handle_sysym(msg)
 }
 
 function handle_message(msg) {
+  var letter = null
+  var fn = null
+
   if (msg[SYSYM]) {
     handle_sysym(msg[SYSYM], msg.from)
     return
   }
 
   if (msg.type == "user") {
-    var letter = msg.data // what the sender really sent
+    letter = msg.data // what the sender really sent
     _ObjectDefineProperty(letter, HEADER, {
       value: msg, enumerable: false
     })
@@ -771,7 +796,7 @@ function handle_message(msg) {
     })
 
     if (msg.return) {
-      var fn = replies[msg.return]
+      fn = replies[msg.return]
       if (fn) fn(letter)
       delete replies[msg.return]
       return
@@ -801,14 +826,16 @@ var package = use_core('package')
 
 // Find the .ce file
 var prog_path = prog + ".ce"
+var pkg_dir = null
+var core_dir = null
 if (!fd.is_file(prog_path)) {
-  var pkg_dir = package.find_package_dir(prog_path)
+  pkg_dir = package.find_package_dir(prog_path)
   if (pkg_dir)
     prog_path = pkg_dir + '/' + prog + '.ce'
 }
 if (!fd.is_file(prog_path)) {
   // Check core packages
-  var core_dir = core_path
+  core_dir = core_path
   prog_path = core_dir + '/' + prog + '.ce'
 }
 if (!fd.is_file(prog_path)) {
@@ -824,9 +851,11 @@ $_.clock(_ => {
   var env = {}
   arrfor(array(runtime_env), function(k) { env[k] = runtime_env[k] })
   var _ki = 0
+  var inj = null
+  var key = null
   while (_ki < length(inject)) {
-    var inj = inject[_ki]
+    inj = inject[_ki]
-    var key = inj
+    key = inj
     if (key && key[0] == '$') key = text(key, 1)
     if (key == 'fd') env['$fd'] = fd
     else env['$' + key] = $_[key]

regen.cm

@@ -0,0 +1,42 @@
+// regen.cm — regenerate .mach bytecode files
+// Run with: ./cell --core . regen.cm
+
+var fd = use("fd")
+var json = use("json")
+var tokenize = use("tokenize")
+var parse = use("parse")
+var fold = use("fold")
+
+var files = [
+  {src: "tokenize.cm", name: "tokenize", out: "tokenize.mach"},
+  {src: "parse.cm", name: "parse", out: "parse.mach"},
+  {src: "fold.cm", name: "fold", out: "fold.mach"},
+  {src: "mcode.cm", name: "mcode", out: "mcode.mach"},
+  {src: "internal/bootstrap.cm", name: "bootstrap", out: "internal/bootstrap.mach"},
+  {src: "internal/engine.cm", name: "engine", out: "internal/engine.mach"}
+]
+
+var i = 0
+var entry = null
+var src = null
+var tok_result = null
+var ast = null
+var folded = null
+var ast_json = null
+var bytecode = null
+var f = null
+
+while (i < length(files)) {
+  entry = files[i]
+  src = text(fd.slurp(entry.src))
+  tok_result = tokenize(src, entry.src)
+  ast = parse(tok_result.tokens, src, entry.src, tokenize)
+  folded = fold(ast)
+  ast_json = json.encode(folded)
+  bytecode = mach_compile_ast(entry.name, ast_json)
+  f = fd.open(entry.out, "w")
+  fd.write(f, bytecode)
+  fd.close(f)
+  print(`wrote ${entry.out}`)
+  i = i + 1
+}

source/cell.c

@@ -217,8 +217,8 @@ void script_startup(cell_rt *prt)
 
   if (core_path)
     JS_SetPropertyStr(js, hidden_env, "core_path", JS_NewString(js, core_path));
-  if (shop_path)
+  JS_SetPropertyStr(js, hidden_env, "shop_path",
-    JS_SetPropertyStr(js, hidden_env, "shop_path", JS_NewString(js, shop_path));
+    shop_path ? JS_NewString(js, shop_path) : JS_NULL);
 
   // Stone the environment
   hidden_env = JS_Stone(js, hidden_env);
@@ -413,8 +413,8 @@ int cell_init(int argc, char **argv)
   JSValue hidden_env = JS_NewObject(ctx);
   JS_SetPropertyStr(ctx, hidden_env, "os", js_os_use(ctx));
   JS_SetPropertyStr(ctx, hidden_env, "core_path", JS_NewString(ctx, core_path));
-  if (shop_path)
+  JS_SetPropertyStr(ctx, hidden_env, "shop_path",
-    JS_SetPropertyStr(ctx, hidden_env, "shop_path", JS_NewString(ctx, shop_path));
+    shop_path ? JS_NewString(ctx, shop_path) : JS_NULL);
   JS_SetPropertyStr(ctx, hidden_env, "use_mcode", JS_NewBool(ctx, use_mcode));
   JS_SetPropertyStr(ctx, hidden_env, "actorsym", JS_DupValue(ctx, cli_rt->actor_sym_ref.val));
   JS_SetPropertyStr(ctx, hidden_env, "json", js_json_use(ctx));