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Progress on handling custom connectives

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TODO: Fix matrix numbering
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Brandon Rozek 2024-10-28 12:54:13 -04:00
parent e293e5ac3e
commit 17fb542bd0
1 changed files with 74 additions and 55 deletions
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129
parse_magic.py
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@ -4,6 +4,7 @@ Parses the Magic Ugly Data File Format
Assumes the base logic is R with no extra connectives
"""
import argparse
import re
import sys
from typing import TextIO, List, Optional, Tuple, Set, Dict
@ -72,7 +73,7 @@ class ModelBuilder:
self.mimplication: Optional[ModelFunction] = None
self.num_necessitation: int = 0
self.mnecessitation: Optional[ModelFunction] = None
self.custom_model_functions: List[Tuple[int, ModelFunction]]
self.custom_model_functions: Dict[str, ModelFunction] = {}
class Stage:
def __init__(self, name: str):
@ -89,10 +90,13 @@ class Stages:
def add(self, name: str):
stage = Stage(name)
stage.next = stage
if self.last_stage is not None:
stage.previous = self.last_stage
self.last_stage.next = stage
else:
# The previous of the first stage
# is the end
stage.previous = Stage("end")
self.stages[name] = stage
@ -114,9 +118,8 @@ def derive_stages(header: UglyHeader) -> Stages:
stages.add("implication")
if header.necessitation:
stages.add("necessitation")
# TODO: Can't use -- as that can be a custom symbol
# for (acidity, symbol) in header.custom_model_functions:
# stages.add(f"custom--{acidity}--{symbol}")
for (adicity, symbol) in header.custom_model_functions:
stages.add(f"custom--{adicity}--{symbol}")
stages.add("process_model")
# After processing the model, go to the previous stage
@ -124,7 +127,6 @@ def derive_stages(header: UglyHeader) -> Stages:
return stages
def parse_matrices(infile: SourceFile) -> List[Tuple[Model, Dict]]:
solutions = [] # Reset
header = parse_header(infile)
@ -160,7 +162,23 @@ def parse_matrices(infile: SourceFile) -> List[Tuple[Model, Dict]]:
processed = process_necessitations(infile, current_model_parts)
stage = stage.next if processed else stage.previous
case _:
raise NotImplementedError("Custom Connectives are not yet supported")
custom_stage = re.search(r"custom--(\d+)--(\S+)", stage.name)
if custom_stage is None or len(custom_stage.groups()) != 2:
raise NotImplementedError(f"Unrecognized Stage: {stage.name}")
adicity, symbol = custom_stage.groups()
adicity = int(adicity)
if adicity == 0:
# We don't need to do anything here
stage = stage.next
elif adicity == 1:
processed = process_monadic_connective(infile, symbol, current_model_parts)
stage = stage.next if processed else stage.previous
elif adicity == 2:
processed = process_dyadic_connective(infile, symbol, current_model_parts)
stage = stage.next if processed else stage.previous
else:
raise NotImplementedError("Unable to process connectives of adicity greater than 2")
return solutions
@ -259,10 +277,25 @@ def process_necessitations(infile: SourceFile, current_model_parts: ModelBuilder
return True
def process_monadic_connective(infile: SourceFile, symbol: str, current_model_parts: ModelBuilder) -> bool:
mfunction = parse_single_monadic_connective(infile, symbol, current_model_parts.size)
if mfunction is None:
return False
current_model_parts.custom_model_functions[symbol] = mfunction
return True
def process_dyadic_connective(infile: SourceFile, symbol: str, current_model_parts: ModelBuilder) -> bool:
mfunction = parse_single_dyadic_connective(infile, symbol, current_model_parts.size)
if mfunction is None:
return False
current_model_parts.custom_model_functions[symbol] = mfunction
return True
def process_model(mp: ModelBuilder, solutions: List[Tuple[Model, Dict]]):
"""Create Model"""
assert mp.mimplication is not None
assert len(mp.carrier_set) > 0
assert mp.size + 1 == len(mp.carrier_set)
logical_operations = { mp.mimplication }
@ -284,6 +317,12 @@ def process_model(mp: ModelBuilder, solutions: List[Tuple[Model, Dict]]):
logical_operations.add(mp.mnecessitation)
interpretation[Necessitation] = mp.mnecessitation
for custom_mf in mp.custom_model_functions.values():
if custom_mf is None:
logical_operations.add(custom_mf)
# NOTE: No need to assign interpretation
# for VSP check
solutions.append((model, interpretation))
print(f"Parsed Matrix {model.name}")
@ -336,20 +375,7 @@ def parse_single_negation(infile: SourceFile, size: int) -> Optional[ModelFuncti
"""
Parse the line representing the negation table.
"""
line = infile.next_line()
if line == '-1':
return None
row = line.split(" ")
assert len(row) == size + 1, f"Negation table doesn't match size at line {infile.current_line}"
mapping = {}
for i, j in zip(range(size + 1), row):
x = mvalue_from_index(i)
y = parse_mvalue(j)
mapping[(x, )] = y
return ModelFunction(1, mapping, "¬")
return parse_single_monadic_connective(infile, "¬", size)
def mvalue_from_index(i: int) -> ModelValue:
"""
@ -485,10 +511,33 @@ def parse_single_designated(infile: SourceFile, size: int) -> Optional[Set[Model
def parse_single_implication(infile: SourceFile, size: int) -> Tuple[ModelFunction]:
"""
Take the current string, parse an implication table from it,
and return along with it the remainder of the string
Take the current string, parse an implication table from it.
"""
return parse_single_dyadic_connective(infile, "→", size)
def parse_single_necessitation(infile: SourceFile, size: int) -> Optional[ModelFunction]:
"""
Parse the line representing the necessitation table.
"""
return parse_single_monadic_connective(infile, "!", size)
def parse_single_monadic_connective(infile: SourceFile, symbol: str, size: int) -> Optional[ModelFunction]:
line = infile.next_line()
if line == '-1':
return None
row = line.split(" ")
assert len(row) == size + 1, f"{symbol} table doesn't match size at line {infile.current_line}"
mapping = {}
for i, j in zip(range(size + 1), row):
x = mvalue_from_index(i)
y = parse_mvalue(j)
mapping[(x, )] = y
return ModelFunction(1, mapping, symbol)
def parse_single_dyadic_connective(infile: SourceFile, symbol: str, size: int) -> Optional[ModelFunction]:
try:
first_token = next(infile)
if first_token == "-1":
@ -502,7 +551,7 @@ def parse_single_implication(infile: SourceFile, size: int) -> Tuple[ModelFuncti
except StopIteration:
pass
assert len(table) == (size + 1)**2, f"Implication table does not match expected size at line {infile.current_line}"
assert len(table) == (size + 1)**2, f"{symbol} table does not match expected size at line {infile.current_line}"
mapping = {}
table_i = 0
@ -516,37 +565,7 @@ def parse_single_implication(infile: SourceFile, size: int) -> Tuple[ModelFuncti
mapping[(x, y)] = r
mimplication = ModelFunction(2, mapping, "→")
return mimplication
def parse_single_necessitation(infile: SourceFile, size: int) -> Optional[ModelFunction]:
"""
Parse the line representing the necessitation table.
"""
try:
first_token = next(infile)
if first_token == "-1":
return None
except StopIteration:
return None
row = []
try:
row = [first_token] + [next(infile) for _ in range(size)]
except StopIteration:
pass
assert len(row) == size + 1, f"Necessitation table doesn't match size at line {infile.current_line}"
mapping = {}
for i, j in zip(range(size + 1), row):
x = mvalue_from_index(i)
y = parse_mvalue(j)
mapping[(x, )] = y
mnecessitation = ModelFunction(1, mapping, "!")
return mnecessitation
return ModelFunction(2, mapping, symbol)
if __name__ == "__main__":