A fully working version of the scheduling language with added examples

transformation/schedule/schedule_lib/loop.py

@@ -0,0 +1,74 @@
+import functools
+from typing import List, Generator, override, Type
+
+from jinja2 import Template
+
+from api.od import ODAPI
+from .exec_node import ExecNode
+from .data_node import DataNode
+from .data_node import Data
+from .funcs import not_visited, generate_dot_node
+
+class Loop(ExecNode, DataNode):
+    def __init__(self) -> None:
+        super().__init__()
+        self.cur_data: Data = Data(self)
+
+    @staticmethod
+    @override
+    def get_exec_output_gates():
+        return ["it", "out"]
+
+    @override
+    def generate_stack_frame(self, exec_id: int) -> None:
+        super().generate_stack_frame(exec_id)
+        self.cur_data.generate_stack_frame(exec_id)
+
+    @override
+    def delete_stack_frame(self, exec_id: int) -> None:
+        super().delete_stack_frame(exec_id)
+        self.cur_data.delete_stack_frame(exec_id)
+
+    @override
+    def nextState(self, exec_id: int) -> tuple[ExecNode, str]:
+        return self.next_node["out" if self.data_out["out"].empty(exec_id) else "it"]
+
+    def execute(self, port: str, exec_id: int, od: ODAPI) -> tuple[int, any] | None:
+        self.data_out["out"].clear(exec_id)
+
+        if not self.cur_data.empty(exec_id):
+            self.data_out["out"].append(exec_id, self.cur_data.pop(exec_id,0))
+        DataNode.input_event(self, "out", exec_id)
+        return None
+
+    def input_event(self, gate: str, exec_id: int) -> None:
+        self.cur_data.replace(exec_id, self.get_input_data(gate, exec_id))
+        data_o = self.data_out["out"]
+        if data_o.empty(exec_id):
+            return
+        data_o.clear(exec_id)
+        DataNode.input_event(self, "out", exec_id)
+
+
+    @not_visited
+    def generate_dot(
+        self, nodes: List[str], edges: List[str], visited: set[int], template: Template
+    ) -> None:
+        generate_dot_node(
+            self,
+            nodes,
+            template,
+            **{
+                "label": f"loop",
+                "ports_exec": (
+                    self.get_exec_input_gates(),
+                    self.get_exec_output_gates(),
+                ),
+                "ports_data": (
+                    self.get_data_input_gates(),
+                    self.get_data_output_gates(),
+                ),
+            },
+        )
+        ExecNode.generate_dot(self, nodes, edges, visited, template)
+        DataNode.generate_dot(self, nodes, edges, visited, template)