master > master: Teile auslagern + Vereinfachungen

This commit is contained in:
RD
2021-05-06 15:29:44 +02:00
parent d94d508e8c
commit 6f6de00296
4 changed files with 153 additions and 109 deletions

View File

@@ -6,11 +6,11 @@
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
from __future__ import annotations;
import re;
# install: lark; lark-parser; lark-parser[regex].
# https://lark-parser.readthedocs.io/en/latest/grammar.html
from lark import Lark;
from lark import Tree;
from typing import List;
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# GLOBALE KONSTANTEN
@@ -53,12 +53,61 @@ lexerAussagenlogik = Lark(
);
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# MAIN METHOD string -> parts
# METHODE: string -> Syntaxbaum
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
def string_to_parts(u: str) -> Tree:
def stringToSyntaxbaum(u: str) -> Tree:
try:
u_lexed = lexerAussagenlogik.parse(u);
return u_lexed;
except:
raise Exception('Ausdruck \033[1m{}\033[0m konnte nicht erkannt werden!'.format(u));
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# METHODEN: Erkennung von Formeltypen
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
def isAtom(fml: Tree) -> bool:
return fml.data == 'atom';
def isBeliebig(fml: Tree) -> bool:
return fml.data == 'beliebig';
def isTrueSymbol(fml: Tree) -> bool:
return fml.data == 'wahr';
def isFalseSymbol(fml: Tree) -> bool:
return fml.data == 'falsch';
def isNegation(fml: Tree) -> bool:
return fml.data == 'negation';
def isConjunction(fml: Tree) -> bool:
return fml.data == 'konjunktion';
def isDisjunction(fml: Tree) -> bool:
return fml.data == 'disjunktion';
def isImplication(fml: Tree) -> bool:
return fml.data == 'implikation';
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# METHODEN: Formel -> Teilformeln
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
def getTeilformeln(fml: Tree) -> List[Tree]:
return [
part for part in fml.children
if isinstance(part, Tree)
and not part.data == 'junktor'
];
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# METHODEN: Formel (Atom/Beliebig) -> Name
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
def getName(fml: Tree) -> str:
text = fml.children[0];
if isinstance(text, str):
return text;
raise Exception('Konnte Textinhalt nicht ablesen!');