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@ -2,7 +2,7 @@ from expression import Token, Expression |
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from lib.Pile import Pile_chaine as Pile |
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from lib.File import File_chaine as File |
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def tokenize(text): |
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def tokenize(text: str) -> list: |
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buffer = "" |
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tokens = [] |
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for char in text: |
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@ -12,7 +12,6 @@ def tokenize(text): |
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else: |
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#PUSH |
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if buffer != "": |
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print("a") |
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tokens.append(Token(Token.NUMBER, buffer)) |
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buffer = "" |
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#SINGLE CHAR |
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@ -23,11 +22,9 @@ def tokenize(text): |
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tokens.append(Token(Token.OPERATOR, char)) |
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if buffer != "": |
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tokens.append(Token(Token.NUMBER, buffer)) |
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for token in tokens: |
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print(token.type, ":", token.val) |
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return tokens |
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def shutting_yard(tokens): |
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def shutting_yard(tokens: list) -> File: |
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output = File() |
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opertator = Pile() |
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for token in tokens: |
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@ -36,44 +33,39 @@ def shutting_yard(tokens): |
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elif token.type == Token.FUNCTION: |
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opertator.empiler(token) |
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elif token.type == Token.OPERATOR: |
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if not opertator.est_vide(): |
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o2 = opertator.sommet() |
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a = o2 != "(" |
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print(o2.val) |
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b = Token.getPrecedence(o2.val) > Token.getPrecedence(token.val) |
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c = Token.getPrecedence(token.val) == Token.getPrecedence(o2.val) |
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while a and (b or (c)): #and d)) |
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while (not opertator.est_vide() and opertator.sommet().val != "(") and (Token.getPrecedence(opertator.sommet().val) > Token.getPrecedence(token.val) or (Token.getPrecedence(token.val) == Token.getPrecedence(opertator.sommet().val) and token.val != "^")): |
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output.enfiler(opertator.depiler()) |
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opertator.empiler(token) |
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elif token.val == "(": |
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opertator.empiler(token) |
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elif token.val == ")": |
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while opertator.sommet() != "(": |
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while not opertator.est_vide() and opertator.sommet().val != "(": |
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assert not opertator.est_vide() |
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output.enfiler(opertator.depiler()) |
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assert opertator.sommet() == "(" |
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assert opertator.sommet().val == "(" |
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opertator.depiler() |
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if opertator.sommet().type == Token.FUNCTION: |
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output.enfiler(opertator.depiler()) |
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while not opertator.est_vide(): |
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assert opertator.sommet != "(" |
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assert opertator.sommet().val != "(" |
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output.enfiler(opertator.depiler()) |
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return output |
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def npi2tree(tokens): |
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def npi2tree(tokens: File) -> Expression: |
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pile = Pile() |
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for token in tokens: |
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if token in ["+", "-", "*", "/"]: |
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exp = Expression(token, pile.depiler(), pile.depiler()) |
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while not tokens.est_vide(): |
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token = tokens.defiler() |
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if token.val in ["+", "-", "*", "/"]: |
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exp = Expression(token.val, pile.depiler(), pile.depiler()) |
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pile.empiler(exp) |
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else: |
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pile.empiler(Expression(token)) |
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pile.empiler(Expression(token.val)) |
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return pile.depiler() |
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if __name__ == "__main__": |
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print(shutting_yard(tokenize("2+44(4+21)"))) |
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a = npi2tree(shutting_yard(tokenize("2+44*(4+21)"))).evalue() |
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print(a) |
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#print(npi2tree(tokenize("6 4 3 + *"))) |