Add concrete syntax for class diagrams + example (woods2.py)

examples/conformance/woods2.py

@@ -0,0 +1,130 @@
+from state.devstate import DevState
+from bootstrap.scd import bootstrap_scd
+from framework.conformance import Conformance, render_conformance_check_result
+from concrete_syntax.textual_cd import parser as parser_cd
+from concrete_syntax.textual_od import parser as parser_od
+from concrete_syntax.textual_od import renderer as renderer_od
+from concrete_syntax.common import indent
+from concrete_syntax.plantuml import renderer as plantuml
+from util.prompt import yes_no, pause
+
+state = DevState()
+
+print("Loading meta-meta-model...")
+scd_mmm = bootstrap_scd(state)
+print("OK")
+
+print("Is our meta-meta-model a valid class diagram?")
+conf = Conformance(state, scd_mmm, scd_mmm)
+print(render_conformance_check_result(conf.check_nominal()))
+
+# If you are curious, you can serialize the meta-meta-model:
+# print("--------------")
+# print(indent(
+#     renderer.render_od(state,
+#         m_id=scd_mmm,
+#         mm_id=scd_mmm),
+#     4))
+# print("--------------")
+
+
+# Change this:
+woods_mm_cs = """
+    abstract class Animal
+
+    class Bear (Animal)
+    
+    class Man [1..2] (Animal) {
+        Integer weight `get_value(get_target(this)) > 20`; # <- constraint in context of attribute-link
+
+        `get_value(get_slot(this, "weight")) > 20` # <- constraint in context of Man-object
+    }
+
+    association afraidOf  [0..6] Man -> Animal [1..2]
+
+    global total_weight_small_enough ```
+        total_weight = 0
+        for man_name, man_id in get_all_instances("Man"):
+            total_weight += get_value(get_slot(man_id, "weight"))
+        total_weight < 85
+    ```
+"""
+
+print()
+print("Parsing 'woods' meta-model...")
+woods_mm = parser_cd.parse_cd(
+    state,
+    m_text=woods_mm_cs, # the string of text to parse
+)
+print("OK")
+
+# As a double-check, you can serialize the parsed model:
+print("--------------")
+print(indent(
+    renderer_od.render_od(state,
+        m_id=woods_mm,
+        mm_id=scd_mmm),
+    4))
+print("--------------")
+
+print("Is our 'woods' meta-model a valid class diagram?")
+conf = Conformance(state, woods_mm, scd_mmm)
+print(render_conformance_check_result(conf.check_nominal()))
+
+# Change this:
+woods_m_cs = """
+    george:Man {
+        weight = 15;
+    }
+    billy:Man {
+        weight = 100;
+    }
+    bear1:Bear
+    bear2:Bear
+    :afraidOf (george -> bear1)
+    :afraidOf (george -> bear2)
+"""
+
+print()
+print("Parsing 'woods' model...")
+woods_m = parser_od.parse_od(
+    state,
+    m_text=woods_m_cs,
+    mm=woods_mm, # this time, the meta-model is the previous model we parsed
+)
+print("OK")
+
+# As a double-check, you can serialize the parsed model:
+# print("--------------")
+# print(indent(
+#     renderer.render_od(state,
+#         m_id=woods_m,
+#         mm_id=woods_mm),
+#     4))
+# print("--------------")
+
+print("Is our model a valid woods-diagram?")
+conf = Conformance(state, woods_m, woods_mm)
+print(render_conformance_check_result(conf.check_nominal()))
+
+
+print()
+print("==================================")
+if yes_no("Print PlantUML?"):
+    print_mm = yes_no("  ▸ Print meta-model?")
+    print_m = yes_no("  ▸ Print model?")
+    print_conf = print_mm and print_m and yes_no("  ▸ Print conformance links?")
+
+    uml = ""
+    if print_mm:
+        uml += plantuml.render_package("Meta-model", plantuml.render_class_diagram(state, woods_mm))
+    if print_m:
+        uml += plantuml.render_package("Model", plantuml.render_object_diagram(state, woods_m, woods_mm))
+    if print_conf:
+        uml += plantuml.render_trace_conformance(state, woods_m, woods_mm)
+
+    print("==================================")
+    print(uml)
+    print("==================================")
+    print("Go to http://www.plantuml.com/plantuml/uml/")
+    print("and paste the above string.")