mirror of
https://github.com/Brandon-Rozek/matmod.git
synced 2025-11-03 03:11:12 +00:00
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
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@ -21,12 +21,19 @@ class SourceFile:
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def __init__(self, fileobj: TextIO):
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self.fileobj = fileobj
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self.current_line = 0
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self.reststr = ""
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def __next__(self):
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if self.reststr != "":
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return self.reststr
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contents = next(self.fileobj)
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self.current_line += 1
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return contents
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def set_reststr(self, reststr: str):
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self.reststr = reststr
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class UglyHeader:
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def __init__(self, negation: bool, necessitation: bool, custom_model_functions: List[Tuple[int, str]]):
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self.negation = negation
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@ -48,135 +55,212 @@ class ModelBuilder:
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self.mimplication: Optional[ModelFunction] = None
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self.num_necessitation: int = 0
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self.mnecessitation: Optional[ModelFunction] = None
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self.custom_model_functions: List[Tuple[int, ModelFunction]]
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class Stage:
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def __init__(self, name: str):
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self.name = name
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self.next: Optional['Stage'] = None
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self.previous: Optional['Stage'] = None
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def __str__(self):
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return self.name
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class Stages:
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def __init__(self):
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self.stages: Dict[str, Stage] = {}
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self.last_stage: Optional[Stage] = None
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def add(self, name: str):
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stage = Stage(name)
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stage.next = stage
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if self.last_stage is not None:
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stage.previous = self.last_stage
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self.last_stage.next = stage
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else:
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stage.previous = Stage("end")
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self.stages[name] = stage
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self.last_stage = stage
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def next_stage(self, name):
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return self.stages[name].next
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def previous_stage(self, name):
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return self.stages[name].previous
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def get(self, name):
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return self.stages[name]
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def derive_stages(header: UglyHeader) -> Stages:
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stages = Stages()
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stages.add("size")
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if header.negation:
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stages.add("negation")
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stages.add("order")
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stages.add("designated")
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stages.add("implication")
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if header.necessitation:
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stages.add("necessitation")
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# TODO: Can't use -- as that can be a custom symbol
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# for (acidity, symbol) in header.custom_model_functions:
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# stages.add(f"custom--{acidity}--{symbol}")
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stages.add("process_model")
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# After processing the model, go to the previous stage
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stages.get("process_model").next = stages.get("process_model").previous
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return stages
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def parse_matrices(infile: SourceFile) -> List[Tuple[Model, Dict]]:
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solutions = [] # Reset
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header = parse_header(infile)
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stages = derive_stages(header)
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first_run = True
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current_model_parts = ModelBuilder()
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process_sizes(infile, header, current_model_parts, solutions)
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stage = stages.get("size")
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while True:
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print("Current stage:", stage)
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match stage.name:
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case "end":
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break
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case "process_model":
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process_model(current_model_parts, solutions)
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stage = stage.next
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case "size":
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processed = process_sizes(infile, current_model_parts, first_run)
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first_run = False
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stage = stage.next if processed else stage.previous
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case "negation":
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processed = process_negations(infile, current_model_parts)
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stage = stage.next if processed else stage.previous
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case "order":
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processed = process_orders(infile, current_model_parts)
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stage = stage.next if processed else stage.previous
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case "designated":
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processed = process_designateds(infile, current_model_parts)
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stage = stage.next if processed else stage.previous
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case "implication":
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processed = process_implications(infile, current_model_parts)
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stage = stage.next if processed else stage.previous
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case "necessitation":
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processed = process_necessitations(infile, current_model_parts)
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stage = stage.next if processed else stage.previous
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case _:
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raise NotImplementedError("Custom Connectives are not yet supported")
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return solutions
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def process_sizes(infile: SourceFile, header: UglyHeader, current_model_parts: ModelBuilder, solutions: List[Tuple[Model, Dict]]):
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"""Stage 1"""
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def process_sizes(infile: SourceFile, current_model_parts: ModelBuilder, first_run: bool) -> bool:
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try:
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size = parse_size(infile, first_run)
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except StopIteration:
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return False
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if size is None:
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return False
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first_run = True
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carrier_set = carrier_set_from_size(size)
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current_model_parts.size = size
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current_model_parts.carrier_set = carrier_set
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while True:
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print("Processing next size")
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try:
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size = parse_size(infile, first_run)
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first_run = False
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except StopIteration:
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# For some reason, when necessitation is enabled this doesn't
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# have a -1 on the last line
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break
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if size is None:
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break
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# Reset counts
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current_model_parts.num_negation = 0
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current_model_parts.num_order = 0
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current_model_parts.num_designated = 0
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current_model_parts.num_implication = 0
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current_model_parts.num_necessitation = 0
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carrier_set = carrier_set_from_size(size)
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current_model_parts.size = size
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current_model_parts.carrier_set = carrier_set
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process_negations(infile, header, current_model_parts, solutions)
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return True
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def process_negations(infile: SourceFile, header: UglyHeader, current_model_parts: ModelBuilder, solutions: List[Tuple[Model, Dict]]):
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def process_negations(infile: SourceFile, current_model_parts: ModelBuilder) -> bool:
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"""Stage 2 (Optional)"""
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num_negation = 0
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while True:
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print("Processing next negation")
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mnegation = None
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if header.negation:
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mnegation = parse_single_negation(infile, current_model_parts.size)
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if mnegation is None:
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break
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num_negation += 1
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mnegation = parse_single_negation(infile, current_model_parts.size)
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if mnegation is None:
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return False
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current_model_parts.num_negation = num_negation
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current_model_parts.mnegation = mnegation
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current_model_parts.num_negation += 1
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current_model_parts.mnegation = mnegation
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process_orders(infile, header, current_model_parts, solutions)
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# Reset counts
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current_model_parts.num_order = 0
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current_model_parts.num_designated = 0
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current_model_parts.num_implication = 0
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current_model_parts.num_necessitation = 0
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if not header.negation:
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break
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return True
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def process_orders(infile: SourceFile, header: UglyHeader, current_model_parts: ModelBuilder, solutions: List[Tuple[Model, Dict]]):
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def process_orders(infile: SourceFile, current_model_parts: ModelBuilder) -> bool:
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"""Stage 3"""
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num_order = 0
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while True:
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print("Processing next order")
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result = parse_single_order(infile, current_model_parts.size)
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if result is None:
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break
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num_order += 1
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mconjunction, mdisjunction = result
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current_model_parts.num_order = num_order
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current_model_parts.mconjunction = mconjunction
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current_model_parts.mdisjunction = mdisjunction
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process_designateds(infile, header, current_model_parts, solutions)
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result = parse_single_order(infile, current_model_parts.size)
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if result is None:
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return False
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def process_designateds(infile: SourceFile, header: UglyHeader, current_model_parts: ModelBuilder, solutions: List[Tuple[Model, Dict]]):
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mconjunction, mdisjunction = result
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current_model_parts.num_order += 1
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current_model_parts.mconjunction = mconjunction
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current_model_parts.mdisjunction = mdisjunction
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# Reset counts
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current_model_parts.num_designated = 0
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current_model_parts.num_implication = 0
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current_model_parts.num_necessitation = 0
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return True
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def process_designateds(infile: SourceFile, current_model_parts: ModelBuilder) -> bool:
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"""Stage 4"""
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num_designated = 0
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while True:
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print("Processing next designated")
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designated_values = parse_single_designated(infile, current_model_parts.size)
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if designated_values is None:
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break
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num_designated += 1
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current_model_parts.num_designated = num_designated
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current_model_parts.designated_values = designated_values
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process_implications(infile, header, current_model_parts, solutions)
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designated_values = parse_single_designated(infile, current_model_parts.size)
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if designated_values is None:
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return False
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def process_implications(
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infile: SourceFile, header: UglyHeader, current_model_parts: ModelBuilder, solutions: List[Tuple[Model, Dict]]):
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current_model_parts.num_designated += 1
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current_model_parts.designated_values = designated_values
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# Reset counts
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current_model_parts.num_implication = 0
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current_model_parts.num_necessitation = 0
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return True
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def process_implications(infile: SourceFile, current_model_parts: ModelBuilder) -> bool:
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"""Stage 5"""
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if header.necessitation:
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num_implication = 0
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while True:
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print("Processing next implication")
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instr = next(infile).strip()
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mimplication, reststr = parse_single_implication(instr, infile.current_line, current_model_parts.size)
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if mimplication is None:
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break
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num_implication += 1
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current_model_parts.num_implication = num_implication
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current_model_parts.mimplication = mimplication
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process_necessitations(infile, reststr, header, current_model_parts, solutions)
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else:
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results = parse_implications(infile, current_model_parts.size)
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for num_implication, mimplication in enumerate(results, 1):
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current_model_parts.num_implication = num_implication
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current_model_parts.mimplication = mimplication
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process_model(current_model_parts, solutions)
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if infile.reststr == "":
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infile.reststr = next(infile).strip()
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def process_necessitations(infile: SourceFile, instr: str, header: UglyHeader, current_model_parts: ModelBuilder, solutions: List[Tuple[Model, Dict]]):
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mimplication, reststr = parse_single_implication(infile.reststr, infile.current_line, current_model_parts.size)
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infile.reststr = reststr
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if mimplication is None:
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return False
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# NOTE: For some reason, one necessitation table will be on the same line as the implication table
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mnecessitation = parse_single_necessitation_from_str(instr, infile.current_line, current_model_parts.size)
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assert mnecessitation is not None, f"Expected Necessitation Table at line {infile.current_line}"
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num_necessitation = 1
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current_model_parts.num_implication += 1
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current_model_parts.mimplication = mimplication
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current_model_parts.num_necessitation = num_necessitation
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# Reset counts
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current_model_parts.num_necessitation = 0
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return True
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def process_necessitations(infile: SourceFile, current_model_parts: ModelBuilder) -> bool:
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# TODO: In progress
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if infile.reststr != "":
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infile.reststr = next(infile).strip()
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# TODO: This should match the implication way of doing things when
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# custom conenctives are involved (returning reststr)
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mnecessitation, reststr = parse_single_necessitation_from_str(infile.reststr, infile.current_line, current_model_parts.size)
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infile.reststr = reststr
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if mnecessitation is None:
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return False
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current_model_parts.num_necessitation += 1
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current_model_parts.mnecessitation = mnecessitation
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process_model(current_model_parts, solutions)
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while True:
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print("Processing next necessitation")
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mnecessitation = parse_single_necessitation(infile, current_model_parts.size)
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if mnecessitation is None:
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break
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num_necessitation += 1
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current_model_parts.num_necessitation = num_necessitation
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current_model_parts.mnecessitation = mnecessitation
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process_model(current_model_parts, solutions)
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return True
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def process_model(mp: ModelBuilder, solutions: List[Tuple[Model, Dict]]):
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"""Create Model"""
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assert mp.mimplication is not None
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assert len(mp.carrier_set) > 0
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assert mp.size + 1 == len(mp.carrier_set)
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logical_operations = { mp.mimplication }
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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 ''}"
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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 ''}"
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model = Model(mp.carrier_set, logical_operations, mp.designated_values, name=model_name)
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interpretation = {
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Implication: mp.mimplication
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@ -216,7 +300,7 @@ def parse_header(infile: SourceFile) -> UglyHeader:
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custom_model_functions.append((arity, symbol))
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return UglyHeader(negation_defined, necessitation_defined, custom_model_functions)
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def carrier_set_from_size(size: int):
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def carrier_set_from_size(size: int) -> Set[ModelValue]:
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"""
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Construct a carrier set of model values
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based on the desired size.
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@ -261,8 +345,7 @@ def parse_single_negation(infile: SourceFile, size: int) -> Optional[ModelFuncti
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return ModelFunction(1, mapping, "¬")
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def mvalue_from_index(i: int):
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def mvalue_from_index(i: int) -> ModelValue:
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"""
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Given an index, return the
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representation of the model value.
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@ -394,7 +477,6 @@ def parse_single_designated(infile: SourceFile, size: int) -> Optional[Set[Model
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return designated_values
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def parse_single_implication(instr: str, line: int, size: int) -> Tuple[ModelFunction, str]:
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"""
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Take the current string, parse an implication table from it,
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@ -423,40 +505,6 @@ def parse_single_implication(instr: str, line: int, size: int) -> Tuple[ModelFun
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reststr = " ".join(table[(size + 1)**2:])
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return mimplication, reststr
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def parse_implications(infile: SourceFile, size: int) -> List[ModelFunction]:
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"""
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Parse the line representing the list of implication
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tables.
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"""
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line = next(infile).strip()
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# Split and remove the last '-1' character
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table = line.split(" ")[:-1]
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assert len(table) % (size + 1)**2 == 0, f"Implication table does not match expected size at line {infile.current_line}"
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table_i = 0
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mimplications: List[ModelFunction] = []
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for _ in range(len(table) // (size + 1)**2):
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mapping = {}
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for i in range(size + 1):
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x = mvalue_from_index(i)
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for j in range(size + 1):
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y = mvalue_from_index(j)
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r = parse_mvalue(table[table_i])
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table_i += 1
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mapping[(x, y)] = r
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mimplication = ModelFunction(2, mapping, "→")
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mimplications.append(mimplication)
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return mimplications
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def parse_single_necessitation_from_str(instr: str, line: int, size: int) -> Optional[ModelFunction]:
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"""
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Parse the line representing the necessitation table.
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@ -465,7 +513,7 @@ def parse_single_necessitation_from_str(instr: str, line: int, size: int) -> Opt
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return None
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row = instr.split(" ")
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assert len(row) == size + 1, f"Necessitation table doesn't match size at line {line}"
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assert len(row) >= size + 1, f"Necessitation table doesn't match size at line {line}"
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mapping = {}
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for i, j in zip(range(size + 1), row):
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@ -473,11 +521,10 @@ def parse_single_necessitation_from_str(instr: str, line: int, size: int) -> Opt
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y = parse_mvalue(j)
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mapping[(x, )] = y
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return ModelFunction(1, mapping, "!")
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mnecessitation = ModelFunction(1, mapping, "!")
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reststr = " ".join(row[(size + 1):])
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def parse_single_necessitation(infile: SourceFile, size: int) -> Optional[ModelFunction]:
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line = next(infile).strip()
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return parse_single_necessitation_from_str(line, infile.current_line, size)
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return mnecessitation, reststr
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if __name__ == "__main__":
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