Implemented "spawn" function as it should be

bootstrap/semi_primitives.alc

@@ -1,4 +1,6 @@
 include "primitives.alh"
+include "utils.alh"
+include "random.alh"
 
 // This function must be kept internally, only called through the "sleep" and "interruptable_sleep" functions
 Float function __sleep(a : Float, b : Boolean) = ?primitives/__sleep
@@ -486,3 +488,69 @@ Element function range(max : Integer):
 		counter = counter + 1
 
 	return result!
+
+String function spawn(function : Element, arguments : Element):
+	// Define a new task, with all the required stack information
+	// This is taken from the "task_management" code
+	Element task_root
+	Element task_frame
+	Element output_value
+	Element input_value 
+	Element root
+
+	root = read_root()
+	task_root = create_node()
+	task_frame = create_node()
+	output_value = create_node()
+	input_value = create_node()
+
+	dict_add_fast(task_root, "frame", task_frame)
+	dict_add_fast(task_root, "output", output_value)
+	dict_add_fast(task_root, "last_output", output_value)
+	dict_add_fast(task_root, "input", input_value)
+	dict_add_fast(task_root, "last_input", input_value)
+	dict_add_fast(task_frame, "evalstack", create_node())
+	dict_add_fast(task_frame, "returnvalue", create_node())
+	dict_add_fast(task_frame, "phase", "init")
+	dict_add_fast(task_frame, "symbols", create_node())
+
+	// Instead of just spawning, we set a different IP
+	dict_add_fast(task_frame, "IP", function["body"])
+
+	// Additionally, we copy over all globals that we previously had
+	dict_add_fast(task_root, "globals", dict_copy(root[get_taskname()]["globals"]))
+
+	log("Setting IP to " + cast_value(function["body"]))
+	log("Has outputs: " + set_to_string(dict_keys(function)))
+
+	if (dict_in(function, "params")):
+		// And add the arguments to the symbol table
+		Element symbols
+		String arg_names_call
+		Element param_dict
+		Integer arg_i
+		symbols = task_frame["symbols"]
+		arg_names_call = "abcdefghijklmnopqrstuvwxyz"
+		arg_i = 0
+		param_dict = function["params"]
+		
+		arguments = list_copy(arguments)
+		Element t
+		Element entry
+		while (list_len(arguments) > 0):
+			entry = create_node()
+			dict_add(entry, "value", list_pop(arguments, 0))
+			t = create_edge(symbols, entry)
+			create_edge(t, param_dict[string_get(arg_names_call, arg_i)])
+			log("Adding to symbols: " + cast_value(string_get(arg_names_call, arg_i)))
+			arg_i = arg_i + 1
+
+	// Add this only at the end, as otherwise the task will already be detected and executed
+	String taskname
+	taskname = random_string(30)
+
+	while (dict_in(read_root(), taskname)):
+		taskname = random_string(30)
+	dict_add_fast(read_root(), taskname, task_root)
+
+	return taskname!

interface/HUTN/hutn_compiler/semantics_visitor.py

@@ -563,6 +563,7 @@ class SemanticsVisitor(Visitor):
                                        tree.startpos['column'],
                                        symbol.signature()))
 
+        """
         for i in range(len(expressions)):
             arg_type = self.get_type(expressions[i])
             param_type = symbol.params[i]
@@ -580,6 +581,7 @@ class SemanticsVisitor(Visitor):
             if type(arg_type) != type(param_type):
                 self.perform_implicit_cast(tree, expressions[i], arg_type,
                                            param_type)
+        """
 
         if symbol.name == "__input":
             tree.head = "input"

interface/HUTN/includes/primitives.alh

@@ -119,3 +119,4 @@ Element function reverseKeyLookupMulti(a: Element, b: Element)
 Element function dict_values(dict : Element)
 Boolean function is_error(a : Element)
 Element function range(max : Integer)
+String function spawn(function : Element, arguments : Element)

wrappers/classes/modelverse.xml

@@ -168,7 +168,7 @@
                         </raise>
                         <script>
                             self.responses.append(json.loads(data))
-                            print("Got data: " + str(json.loads(data)))
+                            #print("Got data: " + str(json.loads(data)))
                         </script>
                     </transition>
 

wrappers/modelverse_SCCD.py

@@ -1,7 +1,7 @@
 """
 Generated by Statechart compiler by Glenn De Jonghe, Joeri Exelmans, Simon Van Mierlo, and Yentl Van Tendeloo (for the inspiration)
 
-Date:   Fri Nov 10 08:54:09 2017
+Date:   Fri Nov 10 09:48:14 2017
 
 Model author: Yentl Van Tendeloo
 Model name:   MvK Server
@@ -2434,7 +2434,7 @@ class Modelverse(RuntimeClassBase):
         data = parameters[0]
         self.big_step.outputEventOM(Event("narrow_cast", None, [self, self.http_clients[1], Event("HTTP_input", None, [urllib.urlencode({"op": "get_output", "taskname": self.taskname}), "parent"])]))
         self.responses.append(json.loads(data))
-        print("Got data: " + str(json.loads(data)))
+        #print("Got data: " + str(json.loads(data)))
     
     def _initialized_http_mapper_init_3_guard(self, parameters):
         data = parameters[0]