mirror of
https://github.com/Brandon-Rozek/matmod.git
synced 2024-11-20 21:56:29 -05:00
Clarifying the parsing transition system
This commit is contained in:
parent
312e1aeda5
commit
4e4e19e117
1 changed files with 186 additions and 139 deletions
325
parse_magic.py
325
parse_magic.py
|
|
@ -21,12 +21,19 @@ class SourceFile:
|
|||
def __init__(self, fileobj: TextIO):
|
||||
self.fileobj = fileobj
|
||||
self.current_line = 0
|
||||
self.reststr = ""
|
||||
|
||||
def __next__(self):
|
||||
if self.reststr != "":
|
||||
return self.reststr
|
||||
|
||||
contents = next(self.fileobj)
|
||||
self.current_line += 1
|
||||
return contents
|
||||
|
||||
def set_reststr(self, reststr: str):
|
||||
self.reststr = reststr
|
||||
|
||||
class UglyHeader:
|
||||
def __init__(self, negation: bool, necessitation: bool, custom_model_functions: List[Tuple[int, str]]):
|
||||
self.negation = negation
|
||||
|
|
@ -48,135 +55,212 @@ 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]]
|
||||
|
||||
class Stage:
|
||||
def __init__(self, name: str):
|
||||
self.name = name
|
||||
self.next: Optional['Stage'] = None
|
||||
self.previous: Optional['Stage'] = None
|
||||
def __str__(self):
|
||||
return self.name
|
||||
|
||||
class Stages:
|
||||
def __init__(self):
|
||||
self.stages: Dict[str, Stage] = {}
|
||||
self.last_stage: Optional[Stage] = None
|
||||
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:
|
||||
stage.previous = Stage("end")
|
||||
|
||||
self.stages[name] = stage
|
||||
self.last_stage = stage
|
||||
def next_stage(self, name):
|
||||
return self.stages[name].next
|
||||
def previous_stage(self, name):
|
||||
return self.stages[name].previous
|
||||
def get(self, name):
|
||||
return self.stages[name]
|
||||
|
||||
def derive_stages(header: UglyHeader) -> Stages:
|
||||
stages = Stages()
|
||||
stages.add("size")
|
||||
if header.negation:
|
||||
stages.add("negation")
|
||||
stages.add("order")
|
||||
stages.add("designated")
|
||||
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}")
|
||||
stages.add("process_model")
|
||||
|
||||
# After processing the model, go to the previous stage
|
||||
stages.get("process_model").next = stages.get("process_model").previous
|
||||
|
||||
return stages
|
||||
|
||||
|
||||
def parse_matrices(infile: SourceFile) -> List[Tuple[Model, Dict]]:
|
||||
solutions = [] # Reset
|
||||
header = parse_header(infile)
|
||||
stages = derive_stages(header)
|
||||
first_run = True
|
||||
current_model_parts = ModelBuilder()
|
||||
process_sizes(infile, header, current_model_parts, solutions)
|
||||
stage = stages.get("size")
|
||||
while True:
|
||||
print("Current stage:", stage)
|
||||
match stage.name:
|
||||
case "end":
|
||||
break
|
||||
case "process_model":
|
||||
process_model(current_model_parts, solutions)
|
||||
stage = stage.next
|
||||
case "size":
|
||||
processed = process_sizes(infile, current_model_parts, first_run)
|
||||
first_run = False
|
||||
stage = stage.next if processed else stage.previous
|
||||
case "negation":
|
||||
processed = process_negations(infile, current_model_parts)
|
||||
stage = stage.next if processed else stage.previous
|
||||
case "order":
|
||||
processed = process_orders(infile, current_model_parts)
|
||||
stage = stage.next if processed else stage.previous
|
||||
case "designated":
|
||||
processed = process_designateds(infile, current_model_parts)
|
||||
stage = stage.next if processed else stage.previous
|
||||
case "implication":
|
||||
processed = process_implications(infile, current_model_parts)
|
||||
stage = stage.next if processed else stage.previous
|
||||
case "necessitation":
|
||||
processed = process_necessitations(infile, current_model_parts)
|
||||
stage = stage.next if processed else stage.previous
|
||||
case _:
|
||||
raise NotImplementedError("Custom Connectives are not yet supported")
|
||||
|
||||
return solutions
|
||||
|
||||
def process_sizes(infile: SourceFile, header: UglyHeader, current_model_parts: ModelBuilder, solutions: List[Tuple[Model, Dict]]):
|
||||
"""Stage 1"""
|
||||
def process_sizes(infile: SourceFile, current_model_parts: ModelBuilder, first_run: bool) -> bool:
|
||||
try:
|
||||
size = parse_size(infile, first_run)
|
||||
except StopIteration:
|
||||
return False
|
||||
if size is None:
|
||||
return False
|
||||
|
||||
first_run = True
|
||||
carrier_set = carrier_set_from_size(size)
|
||||
current_model_parts.size = size
|
||||
current_model_parts.carrier_set = carrier_set
|
||||
|
||||
while True:
|
||||
print("Processing next size")
|
||||
try:
|
||||
size = parse_size(infile, first_run)
|
||||
first_run = False
|
||||
except StopIteration:
|
||||
# For some reason, when necessitation is enabled this doesn't
|
||||
# have a -1 on the last line
|
||||
break
|
||||
if size is None:
|
||||
break
|
||||
# Reset counts
|
||||
current_model_parts.num_negation = 0
|
||||
current_model_parts.num_order = 0
|
||||
current_model_parts.num_designated = 0
|
||||
current_model_parts.num_implication = 0
|
||||
current_model_parts.num_necessitation = 0
|
||||
|
||||
carrier_set = carrier_set_from_size(size)
|
||||
current_model_parts.size = size
|
||||
current_model_parts.carrier_set = carrier_set
|
||||
process_negations(infile, header, current_model_parts, solutions)
|
||||
return True
|
||||
|
||||
def process_negations(infile: SourceFile, header: UglyHeader, current_model_parts: ModelBuilder, solutions: List[Tuple[Model, Dict]]):
|
||||
def process_negations(infile: SourceFile, current_model_parts: ModelBuilder) -> bool:
|
||||
"""Stage 2 (Optional)"""
|
||||
num_negation = 0
|
||||
while True:
|
||||
print("Processing next negation")
|
||||
mnegation = None
|
||||
if header.negation:
|
||||
mnegation = parse_single_negation(infile, current_model_parts.size)
|
||||
if mnegation is None:
|
||||
break
|
||||
num_negation += 1
|
||||
mnegation = parse_single_negation(infile, current_model_parts.size)
|
||||
if mnegation is None:
|
||||
return False
|
||||
|
||||
current_model_parts.num_negation = num_negation
|
||||
current_model_parts.mnegation = mnegation
|
||||
current_model_parts.num_negation += 1
|
||||
current_model_parts.mnegation = mnegation
|
||||
|
||||
process_orders(infile, header, current_model_parts, solutions)
|
||||
# Reset counts
|
||||
current_model_parts.num_order = 0
|
||||
current_model_parts.num_designated = 0
|
||||
current_model_parts.num_implication = 0
|
||||
current_model_parts.num_necessitation = 0
|
||||
|
||||
if not header.negation:
|
||||
break
|
||||
return True
|
||||
|
||||
def process_orders(infile: SourceFile, header: UglyHeader, current_model_parts: ModelBuilder, solutions: List[Tuple[Model, Dict]]):
|
||||
def process_orders(infile: SourceFile, current_model_parts: ModelBuilder) -> bool:
|
||||
"""Stage 3"""
|
||||
num_order = 0
|
||||
while True:
|
||||
print("Processing next order")
|
||||
result = parse_single_order(infile, current_model_parts.size)
|
||||
if result is None:
|
||||
break
|
||||
num_order += 1
|
||||
mconjunction, mdisjunction = result
|
||||
current_model_parts.num_order = num_order
|
||||
current_model_parts.mconjunction = mconjunction
|
||||
current_model_parts.mdisjunction = mdisjunction
|
||||
process_designateds(infile, header, current_model_parts, solutions)
|
||||
result = parse_single_order(infile, current_model_parts.size)
|
||||
if result is None:
|
||||
return False
|
||||
|
||||
def process_designateds(infile: SourceFile, header: UglyHeader, current_model_parts: ModelBuilder, solutions: List[Tuple[Model, Dict]]):
|
||||
mconjunction, mdisjunction = result
|
||||
current_model_parts.num_order += 1
|
||||
current_model_parts.mconjunction = mconjunction
|
||||
current_model_parts.mdisjunction = mdisjunction
|
||||
|
||||
# Reset counts
|
||||
current_model_parts.num_designated = 0
|
||||
current_model_parts.num_implication = 0
|
||||
current_model_parts.num_necessitation = 0
|
||||
|
||||
return True
|
||||
|
||||
def process_designateds(infile: SourceFile, current_model_parts: ModelBuilder) -> bool:
|
||||
"""Stage 4"""
|
||||
num_designated = 0
|
||||
while True:
|
||||
print("Processing next designated")
|
||||
designated_values = parse_single_designated(infile, current_model_parts.size)
|
||||
if designated_values is None:
|
||||
break
|
||||
num_designated += 1
|
||||
current_model_parts.num_designated = num_designated
|
||||
current_model_parts.designated_values = designated_values
|
||||
process_implications(infile, header, current_model_parts, solutions)
|
||||
designated_values = parse_single_designated(infile, current_model_parts.size)
|
||||
if designated_values is None:
|
||||
return False
|
||||
|
||||
def process_implications(
|
||||
infile: SourceFile, header: UglyHeader, current_model_parts: ModelBuilder, solutions: List[Tuple[Model, Dict]]):
|
||||
current_model_parts.num_designated += 1
|
||||
current_model_parts.designated_values = designated_values
|
||||
|
||||
# Reset counts
|
||||
current_model_parts.num_implication = 0
|
||||
current_model_parts.num_necessitation = 0
|
||||
|
||||
return True
|
||||
|
||||
def process_implications(infile: SourceFile, current_model_parts: ModelBuilder) -> bool:
|
||||
"""Stage 5"""
|
||||
if header.necessitation:
|
||||
num_implication = 0
|
||||
while True:
|
||||
print("Processing next implication")
|
||||
instr = next(infile).strip()
|
||||
mimplication, reststr = parse_single_implication(instr, infile.current_line, current_model_parts.size)
|
||||
if mimplication is None:
|
||||
break
|
||||
num_implication += 1
|
||||
current_model_parts.num_implication = num_implication
|
||||
current_model_parts.mimplication = mimplication
|
||||
process_necessitations(infile, reststr, header, current_model_parts, solutions)
|
||||
else:
|
||||
results = parse_implications(infile, current_model_parts.size)
|
||||
for num_implication, mimplication in enumerate(results, 1):
|
||||
current_model_parts.num_implication = num_implication
|
||||
current_model_parts.mimplication = mimplication
|
||||
process_model(current_model_parts, solutions)
|
||||
if infile.reststr == "":
|
||||
infile.reststr = next(infile).strip()
|
||||
|
||||
def process_necessitations(infile: SourceFile, instr: str, header: UglyHeader, current_model_parts: ModelBuilder, solutions: List[Tuple[Model, Dict]]):
|
||||
mimplication, reststr = parse_single_implication(infile.reststr, infile.current_line, current_model_parts.size)
|
||||
infile.reststr = reststr
|
||||
if mimplication is None:
|
||||
return False
|
||||
|
||||
# NOTE: For some reason, one necessitation table will be on the same line as the implication table
|
||||
mnecessitation = parse_single_necessitation_from_str(instr, infile.current_line, current_model_parts.size)
|
||||
assert mnecessitation is not None, f"Expected Necessitation Table at line {infile.current_line}"
|
||||
num_necessitation = 1
|
||||
current_model_parts.num_implication += 1
|
||||
current_model_parts.mimplication = mimplication
|
||||
|
||||
current_model_parts.num_necessitation = num_necessitation
|
||||
# Reset counts
|
||||
current_model_parts.num_necessitation = 0
|
||||
|
||||
return True
|
||||
|
||||
def process_necessitations(infile: SourceFile, current_model_parts: ModelBuilder) -> bool:
|
||||
# TODO: In progress
|
||||
if infile.reststr != "":
|
||||
infile.reststr = next(infile).strip()
|
||||
|
||||
# TODO: This should match the implication way of doing things when
|
||||
# custom conenctives are involved (returning reststr)
|
||||
mnecessitation, reststr = parse_single_necessitation_from_str(infile.reststr, infile.current_line, current_model_parts.size)
|
||||
infile.reststr = reststr
|
||||
if mnecessitation is None:
|
||||
return False
|
||||
|
||||
current_model_parts.num_necessitation += 1
|
||||
current_model_parts.mnecessitation = mnecessitation
|
||||
process_model(current_model_parts, solutions)
|
||||
|
||||
while True:
|
||||
print("Processing next necessitation")
|
||||
mnecessitation = parse_single_necessitation(infile, current_model_parts.size)
|
||||
if mnecessitation is None:
|
||||
break
|
||||
num_necessitation += 1
|
||||
|
||||
current_model_parts.num_necessitation = num_necessitation
|
||||
current_model_parts.mnecessitation = mnecessitation
|
||||
process_model(current_model_parts, solutions)
|
||||
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 }
|
||||
model_name = f"{mp.size}{'.' + str(mp.num_negation) if mp.num_negation != 0 else ''}.{mp.num_order}.{mp.num_designated}.{mp.num_implication}{'.' + str(mp.num_necessitation) if mp.num_necessitation != 0 else ''}"
|
||||
model_name = f"{mp.size + 1}{'.' + str(mp.num_negation) if mp.num_negation != 0 else ''}.{mp.num_order}.{mp.num_designated}.{mp.num_implication}{'.' + str(mp.num_necessitation) if mp.num_necessitation != 0 else ''}"
|
||||
model = Model(mp.carrier_set, logical_operations, mp.designated_values, name=model_name)
|
||||
interpretation = {
|
||||
Implication: mp.mimplication
|
||||
|
|
@ -216,7 +300,7 @@ def parse_header(infile: SourceFile) -> UglyHeader:
|
|||
custom_model_functions.append((arity, symbol))
|
||||
return UglyHeader(negation_defined, necessitation_defined, custom_model_functions)
|
||||
|
||||
def carrier_set_from_size(size: int):
|
||||
def carrier_set_from_size(size: int) -> Set[ModelValue]:
|
||||
"""
|
||||
Construct a carrier set of model values
|
||||
based on the desired size.
|
||||
|
|
@ -261,8 +345,7 @@ def parse_single_negation(infile: SourceFile, size: int) -> Optional[ModelFuncti
|
|||
|
||||
return ModelFunction(1, mapping, "¬")
|
||||
|
||||
|
||||
def mvalue_from_index(i: int):
|
||||
def mvalue_from_index(i: int) -> ModelValue:
|
||||
"""
|
||||
Given an index, return the
|
||||
representation of the model value.
|
||||
|
|
@ -394,7 +477,6 @@ def parse_single_designated(infile: SourceFile, size: int) -> Optional[Set[Model
|
|||
|
||||
return designated_values
|
||||
|
||||
|
||||
def parse_single_implication(instr: str, line: int, size: int) -> Tuple[ModelFunction, str]:
|
||||
"""
|
||||
Take the current string, parse an implication table from it,
|
||||
|
|
@ -423,40 +505,6 @@ def parse_single_implication(instr: str, line: int, size: int) -> Tuple[ModelFun
|
|||
reststr = " ".join(table[(size + 1)**2:])
|
||||
return mimplication, reststr
|
||||
|
||||
|
||||
def parse_implications(infile: SourceFile, size: int) -> List[ModelFunction]:
|
||||
"""
|
||||
Parse the line representing the list of implication
|
||||
tables.
|
||||
"""
|
||||
line = next(infile).strip()
|
||||
|
||||
# Split and remove the last '-1' character
|
||||
table = line.split(" ")[:-1]
|
||||
|
||||
assert len(table) % (size + 1)**2 == 0, f"Implication table does not match expected size at line {infile.current_line}"
|
||||
|
||||
table_i = 0
|
||||
mimplications: List[ModelFunction] = []
|
||||
|
||||
for _ in range(len(table) // (size + 1)**2):
|
||||
mapping = {}
|
||||
|
||||
for i in range(size + 1):
|
||||
x = mvalue_from_index(i)
|
||||
for j in range(size + 1):
|
||||
y = mvalue_from_index(j)
|
||||
|
||||
r = parse_mvalue(table[table_i])
|
||||
table_i += 1
|
||||
|
||||
mapping[(x, y)] = r
|
||||
|
||||
mimplication = ModelFunction(2, mapping, "→")
|
||||
mimplications.append(mimplication)
|
||||
|
||||
return mimplications
|
||||
|
||||
def parse_single_necessitation_from_str(instr: str, line: int, size: int) -> Optional[ModelFunction]:
|
||||
"""
|
||||
Parse the line representing the necessitation table.
|
||||
|
|
@ -465,7 +513,7 @@ def parse_single_necessitation_from_str(instr: str, line: int, size: int) -> Opt
|
|||
return None
|
||||
|
||||
row = instr.split(" ")
|
||||
assert len(row) == size + 1, f"Necessitation table doesn't match size at line {line}"
|
||||
assert len(row) >= size + 1, f"Necessitation table doesn't match size at line {line}"
|
||||
mapping = {}
|
||||
|
||||
for i, j in zip(range(size + 1), row):
|
||||
|
|
@ -473,11 +521,10 @@ def parse_single_necessitation_from_str(instr: str, line: int, size: int) -> Opt
|
|||
y = parse_mvalue(j)
|
||||
mapping[(x, )] = y
|
||||
|
||||
return ModelFunction(1, mapping, "!")
|
||||
mnecessitation = ModelFunction(1, mapping, "!")
|
||||
reststr = " ".join(row[(size + 1):])
|
||||
|
||||
def parse_single_necessitation(infile: SourceFile, size: int) -> Optional[ModelFunction]:
|
||||
line = next(infile).strip()
|
||||
return parse_single_necessitation_from_str(line, infile.current_line, size)
|
||||
return mnecessitation, reststr
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
|
|
|
|||
Loading…
Reference in a new issue