definitions
¶
Definitions for tt’s expression grammar, operands, and operators.
definitions.grammar
module¶
Definitions related to expression grammar.
definitions.operands
module¶
Definitions related to operands.
definitions.operators
module¶
Definitions for tt’s built-in Boolean operators.
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class
tt.definitions.operators.
BooleanOperator
(precedence, eval_func, name)[source]¶ Bases:
object
A wrapper around a Boolean operator.
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eval_func
¶ The evaluation function wrapped by this operator.
Type: Callable
>>> from tt.definitions import TT_XOR_OP >>> TT_XOR_OP.eval_func(0, 0) False >>> TT_XOR_OP.eval_func(True, False) True
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tt.definitions.operators.
MAX_OPERATOR_STR_LEN
= 4¶ The length of the longest operator from
OPERATOR_MAPPING
.Type: int
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tt.definitions.operators.
OPERATOR_MAPPING
= {'or': <BooleanOperator OR>, '\\/': <BooleanOperator OR>, 'XOR': <BooleanOperator XOR>, '|': <BooleanOperator OR>, 'nand': <BooleanOperator NAND>, 'nxor': <BooleanOperator XNOR>, 'NXOR': <BooleanOperator XNOR>, 'and': <BooleanOperator AND>, '||': <BooleanOperator OR>, 'NAND': <BooleanOperator NAND>, 'NOT': <BooleanOperator NOT>, '/\\': <BooleanOperator AND>, '&': <BooleanOperator AND>, 'xor': <BooleanOperator XOR>, 'nor': <BooleanOperator NOR>, '~': <BooleanOperator NOT>, 'not': <BooleanOperator NOT>, '&&': <BooleanOperator AND>, 'XNOR': <BooleanOperator XNOR>, '!': <BooleanOperator NOT>, 'OR': <BooleanOperator OR>, 'NOR': <BooleanOperator NOR>, 'xnor': <BooleanOperator XNOR>, 'AND': <BooleanOperator AND>}¶ A mapping of Boolean operators.
This mapping serves to define all valid operator strings and maps them to the appropriate
BooleanOperator
object defining the operator behavior.Type: Dict{ str
:BooleanOperator
}
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tt.definitions.operators.
TT_AND_OP
= <BooleanOperator AND>¶ tt’s operator implementation of a Boolean AND.
Type: BooleanOperator
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tt.definitions.operators.
TT_NAND_OP
= <BooleanOperator NAND>¶ tt’s operator implementation of a Boolean NAND.
Type: BooleanOperator
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tt.definitions.operators.
TT_NOR_OP
= <BooleanOperator NOR>¶ tt’s operator implementation of a Boolean NOR.
Type: BooleanOperator
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tt.definitions.operators.
TT_NOT_OP
= <BooleanOperator NOT>¶ tt’s operator implementation of a Boolean NOT.
Type: BooleanOperator
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tt.definitions.operators.
TT_OR_OP
= <BooleanOperator OR>¶ tt’s operator implementation of a Boolean OR.
Type: BooleanOperator
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tt.definitions.operators.
TT_XNOR_OP
= <BooleanOperator XNOR>¶ tt’s operator implementation of a Boolean XNOR.
Type: BooleanOperator
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tt.definitions.operators.
TT_XOR_OP
= <BooleanOperator XOR>¶ tt’s operator implementation of a Boolean XOR.
Type: BooleanOperator