Edges modified

examples/reference/connect_expressions.jac

@@ -0,0 +1,31 @@
+node node_a{
+    has value:int;
+}
+walker Creator {
+    can create with `<root> entry;
+    can travel with `<root>|node_a entry;
+}
+edge MyEdge {
+  has val:int =5;
+}
+:walker:Creator:can:create{
+    end = <here>;
+    for i = 0 to i<7 by i+=1{
+        if i % 2==0{
+            end ++> end := node_a(value=i);
+        }
+        else{
+            end +:MyEdge:val=i:+> end := node_a(value=i+10);
+        }
+    }
+}
+:walker:Creator:can:travel{
+    for i in -:MyEdge:val<=6 :->{
+            print(i.value);
+        }
+    visit-->;
+}
+with entry{
+    <root> spawn Creator();
+    # print(<r>._jac_.gen_dot());
+}

examples/reference/data_spatial_references.jac

@@ -1,36 +1,3 @@
-import:py random;
 
-node MyNode {
-    has value: int;
-
-}
-edge MyEdge {
-  has val:int =5;
-}
-walker Walk {
-    #has count: int = 0;
-    can create with `<root> entry;
-    #can do_something with `<root> entry;
-}
-
-:walker:Walk:can:create{
-    for i=0 to i<5 by i+=1 {
-        <root> +:MyEdge:val=random.randint(1,10):+> MyNode(value=i+1);
-        <here> ++>  MyNode(value=i+1);
-        }
-    visit -->;
-}
-# :walker:Walk:can:do_something{
-#     for i in -:MyEdge:val<=5 :->{
-#             print(i.val);
-#         }
-# }
-
-
-with entry {
-   <root> spawn Walk();
-   #<root>._jac_.gen_dot();
-
-}
 
 

examples/reference/data_spatial_references.py

@@ -1,22 +1 @@
-"""
-need to create some type of edge with fields
 
-edge MyEdge {
-  has val:int =5;
-}
-
-node MyNode {
-}
-
-create 10 edges off of root
-
-<root> +:MyEdge:val=randint(0, 10):+> MyNode()
-
-5 of these
-
-<root> ++> MyNode()
-
-then we test the refs
-for i in -:MyEdge:val<=5:->:
-    print i.val;
-"""

examples/reference/data_spatial_spawn_expressions.jac

@@ -23,5 +23,5 @@ node node_a{
 }
 
 with entry{
-    :> Adder spawn <root>;  # spawn will iniiate the walker Adder from root node
+    Adder() spawn <root>;  # spawn will iniiate the walker Adder from root node
 }

examples/reference/data_spatial_walker_statements.jac

@@ -28,11 +28,11 @@ walker walker_2{
     visit -->;
 }
 :node:node_a:can:print_something -> str{
-    f"walker_1 entered to {<self>}"|>print;
+    print(f"walker_1 entered to {<self>}");
     visit -->;
 }
 
 with entry{
-    :> walker_1 spawn <root>;  #walker_1 statrt walking from root node
+    walker_1() spawn <root>;  #walker_1 statrt walking from root node
     <root> spawn walker_2();   #after walker_1 finish walking walker_2 start walking to nodes
 }

jaclang/compiler/passes/main/pyast_gen_pass.py

@@ -2043,18 +2043,13 @@ def translate_edge_op_ref(self, loc: ast3.AST, node: ast.EdgeOpRef) -> ast3.AST:
                     node.filter_type.gen.py_ast
                     if node.filter_type
                     else self.sync(ast3.Constant(value=None)),
+                    node.filter_cond.gen.py_ast
+                    if node.filter_cond
+                    else self.sync(ast3.Constant(value=None)),
                 ],
                 keywords=[],
             )
         )
-        if node.filter_cond:
-            ret = self.sync(
-                ast3.Call(
-                    func=node.filter_cond.gen.py_ast,
-                    args=[ret],
-                    keywords=[],
-                )
-            )
         return ret
 
     def exit_disconnect_op(self, node: ast.DisconnectOp) -> None:

jaclang/core/construct.py

@@ -40,24 +40,45 @@ def connect_node(self, nd: NodeArchitype, edg: EdgeArchitype) -> NodeArchitype:
         edg._jac_.attach(self.obj, nd)
         return self.obj
 
+    # def edges_to_nodes(
+    #     self, dir: EdgeDir, filter_type: Optional[type], filter_func: Optional[Callable]
+    # ) -> list[NodeArchitype]:
+    #     """Get set of nodes connected to this node."""
+    #     filter_func = filter_func if filter_func else lambda x: x
+    #     ret_nodes: list[NodeArchitype] = []
+    #     if dir in [EdgeDir.OUT]:
+    #         edge_list = []
+    #         for x in self.edges[EdgeDir.OUT]:
+    #             if x._jac_.target and (not filter_type or isinstance(x, filter_type)):
+    #                 edge_list.append(x)
+    #         new_edge = filter_func(edge_list)
+    #         for i in new_edge:
+    #             ret_nodes.append(i._jac_.target)
+    #     elif dir in [EdgeDir.IN]:
+    #         edge_list = []
+    #         for i in self.edges[EdgeDir.IN]:
+    #             if i._jac_.source and (not filter_type or isinstance(i, filter_type)):
+    #                 edge_list.append(i)
+    #         new_edge = filter_func(edge_list)
+    #         for i in new_edge:
+    #             ret_nodes.append(i._jac_.source)
+    #     return ret_nodes
+
     def edges_to_nodes(
-        self, dir: EdgeDir, filter_type: Optional[type]
+        self, dir: EdgeDir, filter_type: Optional[type], filter_func: Optional[Callable]
     ) -> list[NodeArchitype]:
         """Get set of nodes connected to this node."""
-        ret_nodes: list[NodeArchitype] = []
-        if dir in [EdgeDir.OUT]:
-            for i in self.edges[EdgeDir.OUT]:
-                if i._jac_.target and (
-                    not filter_type or isinstance(i._jac_.target, filter_type)
-                ):
-                    ret_nodes.append(i._jac_.target)
-        elif dir in [EdgeDir.IN]:
-            for i in self.edges[EdgeDir.IN]:
-                if i._jac_.source and (
-                    not filter_type or isinstance(i._jac_.source, filter_type)
-                ):
-                    ret_nodes.append(i._jac_.source)
-        return ret_nodes
+        filter_func = filter_func or (lambda x: x)
+        edge_list = [
+            e
+            for e in self.edges[dir]
+            if getattr(e._jac_, "target" if dir == EdgeDir.OUT else "source", None)
+            and (not filter_type or isinstance(e, filter_type))
+        ]
+        return [
+            getattr(e._jac_, "target" if dir == EdgeDir.OUT else "source")
+            for e in filter_func(edge_list)
+        ]
 
     def gen_dot(self, dot_file: Optional[str] = None) -> str:
         """Generate Dot file for visualizing nodes and edges."""
@@ -80,8 +101,7 @@ def gen_dot(self, dot_file: Optional[str] = None) -> str:
         if dot_file:
             with open(dot_file, "w") as f:
                 f.write(dot_content + "}")
-        else:
-            print(dot_content + "}")
+        return dot_content + "}"
 
 
 @dataclass(eq=False)

jaclang/plugin/default.py

@@ -129,10 +129,11 @@ def edge_ref(
         node_obj: NodeArchitype,
         dir: EdgeDir,
         filter_type: Optional[type],
+        filter_func: Optional[Callable],
     ) -> list[NodeArchitype]:
         """Jac's apply_dir stmt feature."""
         if isinstance(node_obj, NodeArchitype):
-            return node_obj._jac_.edges_to_nodes(dir, filter_type)
+            return node_obj._jac_.edges_to_nodes(dir, filter_type, filter_func)
         else:
             raise TypeError("Invalid node object")
 
@@ -192,7 +193,7 @@ def get_root() -> Architype:
     def build_edge(
         edge_dir: EdgeDir,
         conn_type: Optional[Type[Architype]],
-        conn_assign: Optional[tuple],
+        conn_assign: Optional[tuple[tuple, tuple]],
     ) -> Architype:
         """Jac's root getter."""
         conn_type = conn_type if conn_type else GenericEdge
@@ -201,4 +202,10 @@ def build_edge(
             edge._jac_.dir = edge_dir
         else:
             raise TypeError("Invalid edge object")
+        if conn_assign:
+            for fld, val in zip(conn_assign[0], conn_assign[1]):
+                if hasattr(edge, fld):
+                    setattr(edge, fld, val)
+                else:
+                    raise ValueError(f"Invalid attribute: {fld}")
         return edge

jaclang/plugin/feature.py

@@ -86,10 +86,11 @@ def edge_ref(
         node_obj: NodeArchitype,
         dir: EdgeDir,
         filter_type: Optional[type],
+        filter_func: Optional[Callable],
     ) -> list[NodeArchitype]:
         """Jac's apply_dir stmt feature."""
         return JacFeature.pm.hook.edge_ref(
-            node_obj=node_obj, dir=dir, filter_type=filter_type
+            node_obj=node_obj, dir=dir, filter_type=filter_type, filter_func=filter_func
         )
 
     @staticmethod
@@ -125,7 +126,7 @@ def get_root() -> Architype:
     def build_edge(
         edge_dir: EdgeDir,
         conn_type: Optional[Type[Architype]],
-        conn_assign: Optional[tuple],
+        conn_assign: Optional[tuple[tuple, tuple]],
     ) -> Architype:
         """Jac's root getter."""
         return JacFeature.pm.hook.build_edge(

jaclang/plugin/spec.py

@@ -110,6 +110,7 @@ def edge_ref(
         node_obj: NodeArchitype,
         dir: EdgeDir,
         filter_type: Optional[type],
+        filter_func: Optional[Callable],
     ) -> list[NodeArchitype]:
         """Jac's apply_dir stmt feature."""
         raise NotImplementedError
@@ -152,7 +153,7 @@ def get_root() -> Architype:
     def build_edge(
         edge_dir: EdgeDir,
         conn_type: Optional[Type[Architype]],
-        conn_assign: Optional[tuple],
+        conn_assign: Optional[tuple[tuple, tuple]],
     ) -> Architype:
         """Jac's root getter."""
         raise NotImplementedError

jaclang/tests/fixtures/edge_ops.jac

@@ -0,0 +1,43 @@
+import:py random;
+
+node node_a{
+    has value:int;
+}
+
+walker Creator {
+    can create with `<root> entry;
+    can travel with `<root>|node_a entry;
+}
+
+edge MyEdge {
+  has val:int =5,
+      val2:int = 10;
+}
+
+:walker:Creator:can:create{
+    end = <here>;
+    for i = 0 to i<5 by i+=1{
+        end ++> end := node_a(value=i+1);
+        if i == 2{
+            for j=0 to j<3 by j+=1 {
+                end +:MyEdge:val=random.randint(1,15), val2=random.randint(1,5):+> node_a(value=j+10);
+            }
+            print([(i.val, i.val2) for i in list(end._jac_.edges.values())[1]]);
+        }
+    }
+    for i=0 to i<3 by i+=1 {
+        end +:MyEdge:val=random.randint(1,20):+> node_a(value=i+5);
+    }
+}
+:walker:Creator:can:travel{
+    for i in -:MyEdge:val<=5:-> {
+            print(i.value);
+        }
+    visit-->;
+}
+
+with entry{
+    random.seed(1);
+    <root> spawn Creator();
+    #print(<root>._jac_.gen_dot());
+}

jaclang/tests/fixtures/gendot_bubble_sort.jac

@@ -57,5 +57,5 @@ with entry{
     <r> spawn walker1();
     <r> spawn walker2();
     <r> spawn walker3();
-    <r>._jac_.gen_dot();
+    print(<r>._jac_.gen_dot());
 }

jaclang/tests/fixtures/semstr.jac

@@ -5,7 +5,6 @@ enum 'enum' emotion {
         Angry
 }
 
-
 node 'personality'
 personality{
     has

jaclang/tests/test_language.py

@@ -202,3 +202,15 @@ def test_has_lambda_goodness(self) -> None:
         stdout_value = captured_output.getvalue()
         self.assertEqual(stdout_value.split("\n")[0], "mylist:  [1, 2, 3]")
         self.assertEqual(stdout_value.split("\n")[1], "mydict:  {'a': 2, 'b': 4}")
+
+    def test_conn_assign_on_edges(self) -> None:
+        """Test conn assign on edges."""
+        construct.root._jac_.edges[construct.EdgeDir.OUT].clear()
+        captured_output = io.StringIO()
+        sys.stdout = captured_output
+        jac_import("edge_ops", self.fixture_abs_path("./"))
+        sys.stdout = sys.__stdout__
+        stdout_value = captured_output.getvalue()
+        self.assertEqual(stdout_value.split("\n")[0], "[(3, 5), (14, 1), (5, 1)]")
+        self.assertEqual(stdout_value.split("\n")[1], "10")
+        self.assertEqual(stdout_value.split("\n")[2], "12")