Beispiel #1
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def le(l, r):
    return BinaryOp(Token(TokenTypes.LESS_EQUAL, "<="), l, r)
Beispiel #2
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def ge(l, r):
    return BinaryOp(Token(TokenTypes.GREATER_EQUAL, ">="), l, r)
Beispiel #3
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def lt(l, r):
    return BinaryOp(Token(TokenTypes.LESS, "<"), l, r)
Beispiel #4
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def gt(l, r):
    return BinaryOp(Token(TokenTypes.GREATER, ">"), l, r)
Beispiel #5
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def _and(l, r):
    return BinaryOp(Token(TokenTypes.AND, "and"), l, r)
Beispiel #6
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def _or(l, r):
    return BinaryOp(Token(TokenTypes.OR, "or"), l, r)
Beispiel #7
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def _is_not(l, r):
    return BinaryOp(Token(TokenTypes.NOT_EQUAL, "is not"), l, r)
Beispiel #8
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def t(s):
    return Token.from_str(s)
Beispiel #9
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def mod(l, r):
    return BinaryOp(Token(TokenTypes.MOD, "%"), l, r)
Beispiel #10
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def _is(l, r):
    return BinaryOp(Token(TokenTypes.EQUAL, "is"), l, r)
Beispiel #11
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def mult(l, r):
    return BinaryOp(Token(TokenTypes.MULT, "*"), l, r)
Beispiel #12
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def v(n):
    return Var(Token(TokenTypes.VAR, n))
Beispiel #13
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def c(v):
    return Int(Token(TokenTypes.INT, v))
Beispiel #14
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from littlepython.ast import Int, Var, BinaryOp, UnaryOp, Assign, ControlBlock, If, Block, GetArrayItem, SetArrayItem, \
    ForLoop, Function, FunctionDef, FunctionSig, Call, Return
from littlepython.tokenizer import Token, TokenTypes


def t(s):
    return Token.from_str(s)


# def iterator_to_generator(iterator):
#     return (i for i in iterator)

ADD = Token(TokenTypes.ADD, "+")
SUB = Token(TokenTypes.SUB, "-")
DIV = Token(TokenTypes.DIV, "/")
NOT = Token(TokenTypes.NOT, "not")
EOF = Token(TokenTypes.EOF, None)


def add(l, r=None):
    if r:
        return BinaryOp(ADD, l, r)
    return UnaryOp(ADD, l)


def sub(l, r=None):
    if r:
        return BinaryOp(SUB, l, r)
    return UnaryOp(SUB, l)
Beispiel #15
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def test_token_from_str_invalid():
    with pytest.raises(ValueError) as err:
        Token.from_str("^")
    assert "Invalid input" in str(err.value)