Add 'cloner'. Example also uses concrete syntax for LHS and RHS. Renders all possible rewrites and morphisms with LHS and RHS.

This commit is contained in:
Joeri Exelmans 2024-10-08 12:22:37 +02:00
parent e875821e70
commit c351649d23
3 changed files with 129 additions and 93 deletions

View file

@ -1,12 +1,10 @@
# Renderer for Object Diagrams textual concrete syntax
from services import od
from services.bottom.V0 import Bottom
from concrete_syntax.common import display_value
def render_od(state, m_id, mm_id, hide_names=True):
bottom = Bottom(state)
output = ""
m_od = od.OD(mm_id, m_id, state)

View file

@ -8,6 +8,7 @@ from framework.conformance import Conformance
from services.od import OD
from transformation.matcher import mvs_adapter
from transformation.ramify import ramify
from transformation.cloner import clone_od
from transformation import rewriter
from services.bottom.V0 import Bottom
from services.primitives.integer_type import Integer
@ -30,11 +31,11 @@ def main():
int_mm_id = UUID(state.read_value(state.read_dict(state.read_root(), "Integer")))
string_mm_id = UUID(state.read_value(state.read_dict(state.read_root(), "String")))
conf = Conformance(state, scd_mm_id, scd_mm_id)
print("Conformance SCD_MM -> SCD_MM?", conf.check_nominal(log=True))
print("--------------------------------------")
print(renderer.render_od(state, scd_mm_id, scd_mm_id, hide_names=False))
print("--------------------------------------")
# conf = Conformance(state, scd_mm_id, scd_mm_id)
# print("Conformance SCD_MM -> SCD_MM?", conf.check_nominal(log=True))
# print("--------------------------------------")
# print(renderer.render_od(state, scd_mm_id, scd_mm_id, hide_names=True))
# print("--------------------------------------")
def create_dsl_mm_api():
# Create DSL MM with SCD API
@ -60,40 +61,41 @@ def main():
def create_dsl_mm_parser():
# Create DSL MM with parser
dsl_mm_cs = """
# Integer:ModelRef
Bear:Class
Animal:Class {
# Integer:ModelRef
Bear:Class
Animal:Class {
abstract = True;
}
Man:Class {
}
Man:Class {
lower_cardinality = 1;
upper_cardinality = 2;
constraint = `get_value(get_slot(element, "weight")) < 20`;
}
Man_weight:AttributeLink (Man -> Integer) {
constraint = `get_value(get_slot(element, "weight")) > 20`;
}
Man_weight:AttributeLink (Man -> Integer) {
name = "weight";
optional = False;
constraint = ```
# this is the same constraint as above, but this time, part of the attributelink itself (and thus shorter)
node = get_target(element)
get_value(node) < 20
get_value(node) > 20
```;
}
afraidOf:Association (Man -> Animal) {
}
afraidOf:Association (Man -> Animal) {
target_lower_cardinality = 1;
}
Man_inh_Animal:Inheritance (Man -> Animal)
Bear_inh_Animal:Inheritance (Bear -> Animal)
}
:Inheritance (Man -> Animal)
:Inheritance (Bear -> Animal)
not_too_fat:GlobalConstraint {
not_too_fat:GlobalConstraint {
constraint = ```
# total weight of all men low 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 < 50
total_weight < 85
```;
}
"""
}
"""
dsl_mm_id = parser.parse_od(state, dsl_mm_cs, mm=scd_mm_id)
return dsl_mm_id
@ -113,14 +115,14 @@ not_too_fat:GlobalConstraint {
def create_dsl_m_parser():
# Create DSL M with parser
dsl_m_cs = """
george :Man {
george:Man {
weight = 80;
}
bear1:Bear
bear2:Bear
:afraidOf (george -> bear1)
:afraidOf (george -> bear2)
"""
}
bear1:Bear
bear2:Bear
:afraidOf (george -> bear1)
:afraidOf (george -> bear2)
"""
dsl_m_id = parser.parse_od(state, dsl_m_cs, mm=dsl_mm_id)
return dsl_m_id
@ -128,20 +130,20 @@ bear2:Bear
# dsl_mm_id = create_dsl_mm_api()
dsl_mm_id = create_dsl_mm_parser()
print("DSL MM:")
print("--------------------------------------")
print(renderer.render_od(state, dsl_mm_id, scd_mm_id, hide_names=False))
print("--------------------------------------")
# print("DSL MM:")
# print("--------------------------------------")
# print(renderer.render_od(state, dsl_mm_id, scd_mm_id, hide_names=True))
# print("--------------------------------------")
conf = Conformance(state, dsl_mm_id, scd_mm_id)
print("Conformance DSL_MM -> SCD_MM?", conf.check_nominal(log=True))
# dsl_m_id = create_dsl_m_api()
dsl_m_id = create_dsl_m_parser()
print("DSL M:")
print("--------------------------------------")
print(renderer.render_od(state, dsl_m_id, dsl_mm_id, hide_names=False))
print("--------------------------------------")
# print("DSL M:")
# print("--------------------------------------")
# print(renderer.render_od(state, dsl_m_id, dsl_mm_id, hide_names=True))
# print("--------------------------------------")
conf = Conformance(state, dsl_m_id, dsl_mm_id)
print("Conformance DSL_M -> DSL_MM?", conf.check_nominal(log=True))
@ -151,26 +153,47 @@ bear2:Bear
ramified_mm_id = ramify(state, dsl_mm_id, prefix)
ramified_int_mm_id = ramify(state, int_mm_id, prefix)
# LHS of our rule
lhs_id = state.create_node()
lhs_od = OD(ramified_mm_id, lhs_id, state)
lhs_od.create_object("man", prefix+"Man")
lhs_od.create_slot(prefix+"weight", "man", lhs_od.create_actioncode_value(f"man.{prefix}weight", 'v < 99'))
lhs_od.create_object("scaryAnimal", prefix+"Animal")
lhs_od.create_link("manAfraidOfAnimal", prefix+"afraidOf", "man", "scaryAnimal")
# LHS - pattern to match
# TODO: enable more powerful constraints
lhs_cs = f"""
# object to match
man:{prefix}Man {{
# match only men heavy enough
{prefix}weight = `v > 60`;
}}
# object to delete
scaryAnimal:{prefix}Animal
# link to delete
manAfraidOfAnimal:{prefix}afraidOf (man -> scaryAnimal)
"""
lhs_id = parser.parse_od(state, lhs_cs, mm=ramified_mm_id)
conf = Conformance(state, lhs_id, ramified_mm_id)
print("Conformance LHS_M -> RAM_DSL_MM?", conf.check_nominal(log=True))
# RHS of our rule
rhs_id = state.create_node()
rhs_od = OD(ramified_mm_id, rhs_id, state)
rhs_od.create_object("man", prefix+"Man")
rhs_od.create_slot(prefix+"weight", "man", rhs_od.create_actioncode_value(f"man.{prefix}weight", 'v + 5'))
rhs_od.create_object("bill", prefix+"Man")
rhs_od.create_slot(prefix+"weight", "bill", rhs_od.create_actioncode_value(f"bill.{prefix}weight", '100'))
rhs_od.create_link("billAfraidOfMan", prefix+"afraidOf", "bill", "man")
# TODO: enable more powerful actions
rhs_cs = f"""
# matched object
man:{prefix}Man {{
# man gains weight
{prefix}weight = `v + 5`;
}}
# object to create
bill:{prefix}Man {{
{prefix}weight = `100`;
}}
# link to create
billAfraidOfMan:{prefix}afraidOf (bill -> man)
"""
rhs_id = parser.parse_od(state, rhs_cs, mm=ramified_mm_id)
conf = Conformance(state, rhs_id, ramified_mm_id)
print("Conformance RHS_M -> RAM_DSL_MM?", conf.check_nominal(log=True))
@ -195,7 +218,6 @@ bear2:Bear
# Render pattern
uml += plantuml.render_package("RHS", plantuml.render_object_diagram(state, rhs_id, ramified_mm_id))
uml += plantuml.render_trace_conformance(state, rhs_id, ramified_mm_id)
return uml
def render_all_matches():
@ -207,11 +229,11 @@ bear2:Bear
print("matching...")
generator = mvs_adapter.match_od(state, dsl_m_id, dsl_mm_id, lhs_id, ramified_mm_id)
for name_mapping, color in zip(generator, ["red", "orange"]):
print("\nMATCH:\n", name_mapping)
for match, color in zip(generator, ["red", "orange"]):
print("\nMATCH:\n", match)
# Render every match
uml += plantuml.render_trace_match(state, name_mapping, lhs_id, dsl_m_id, color)
uml += plantuml.render_trace_match(state, match, lhs_id, dsl_m_id, color)
print("DONE")
return uml
@ -219,36 +241,44 @@ bear2:Bear
def render_rewrite():
uml = render_ramification()
generator = mvs_adapter.match_od(state, dsl_m_id, dsl_mm_id, lhs_id, ramified_mm_id)
for name_mapping in generator:
rewriter.rewrite(state, lhs_id, rhs_id, ramified_mm_id, name_mapping, dsl_m_id, dsl_mm_id)
conf = Conformance(state, dsl_m_id, dsl_mm_id)
print("Conformance DSL_M (after rewrite) -> DSL_MM?", conf.check_nominal(log=True))
# Render match
uml_match = plantuml.render_trace_match(state, name_mapping, rhs_id, dsl_m_id, 'orange')
# Stop matching after rewrite
break
# Render host graph (after rewriting)
uml += plantuml.render_package("Model (after rewrite)", plantuml.render_object_diagram(state, dsl_m_id, dsl_mm_id))
# Render host graph (before rewriting)
uml += plantuml.render_package("Model (before rewrite)", plantuml.render_object_diagram(state, dsl_m_id, dsl_mm_id))
# Render conformance
uml += plantuml.render_trace_conformance(state, dsl_m_id, dsl_mm_id)
uml += uml_match
generator = mvs_adapter.match_od(state, dsl_m_id, dsl_mm_id, lhs_id, ramified_mm_id)
for i, (match, color) in enumerate(zip(generator, ["red", "orange"])):
uml += plantuml.render_trace_match(state, match, lhs_id, dsl_m_id, color)
# rewrite happens in-place (which sucks), so we will only modify a clone:
snapshot_dsl_m_id = clone_od(state, dsl_m_id, dsl_mm_id)
rewriter.rewrite(state, lhs_id, rhs_id, ramified_mm_id, match, snapshot_dsl_m_id, dsl_mm_id)
conf = Conformance(state, snapshot_dsl_m_id, dsl_mm_id)
print(f"Conformance DSL_M (after rewrite {i}) -> DSL_MM?", conf.check_nominal(log=True))
# Render host graph (after rewriting)
uml += plantuml.render_package(f"Model (after rewrite {i})", plantuml.render_object_diagram(state, snapshot_dsl_m_id, dsl_mm_id))
# Render match
uml += plantuml.render_trace_match(state, match, rhs_id, snapshot_dsl_m_id, color)
# Render conformance
uml += plantuml.render_trace_conformance(state, snapshot_dsl_m_id, dsl_mm_id)
return uml
# plantuml_str = render_all_matches()
# plantuml_str = render_rewrite()
plantuml_str = render_rewrite()
# print()
print()
print("==============================================")
print("BEGIN PLANTUML")
print("==============================================")
# print(plantuml_str)
print(plantuml_str)
print("==============================================")
print("END PLANTUML")
print("==============================================")
if __name__ == "__main__":
main()

8
transformation/cloner.py Normal file
View file

@ -0,0 +1,8 @@
from uuid import UUID
from concrete_syntax.textual_od import parser, renderer
# Clones an object diagram
def clone_od(state, m: UUID, mm: UUID):
# cheap-ass implementation: render and parse
cs = renderer.render_od(state, m, mm, hide_names=False)
return parser.parse_od(state, cs, mm)