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C Operator Precedence

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Lenguaje C
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General topics
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Preprocessor
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Las secuencias de escape
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Flow control
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Funciones
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Functions
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declaración de la función
especificador inline
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Los especificadores
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cv especificadores
especificadores de clase de almacenamiento
alignas especificador (C99)
Los literales
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Expresiones
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orden de evaluación
los operadores alternativos
los operadores
prioridad de los operadores
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typedef declaration
atributos (C99)
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Montaje en línea
 
La siguiente tabla muestra la precedencia y asociatividad de los operadores de C. Los operadores se enumeran arriba a abajo, de mayor a menor precedencia .
Original:
The following table lists the precedence and associativity of C operators. Operators are listed top to bottom, in descending precedence.
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Precedence Operator Description Associativity
1 ++ -- Suffix/postfix increment and decrement Left-to-right
() Function call
[] Array subscripting
. Structure and union member access
−> Structure and union member access through pointer
(type){list} Compound literal(C99)
2 ++ -- Prefix increment and decrement Right-to-left
+ Unary plus and minus
! ~ Logical NOT and bitwise NOT
(type) Type cast
* Indirection (dereference)
& Address-of
sizeof Size-of
_Alignof Alignment requirement(C11)
3 * / % Multiplication, division, and remainder Left-to-right
4 + Addition and subtraction
5 << >> Bitwise left shift and right shift
6 < <= For relational operators < and ≤ respectively
> >= For relational operators > and ≥ respectively
7 == != For relational = and ≠ respectively
8 & Bitwise AND
9 ^ Bitwise XOR (exclusive or)
10 | Bitwise OR (inclusive or)
11 && Logical AND
12 || Logical OR
13 ?: Ternary conditional Right-to-Left
14 = Simple assignment
+= −= Assignment by sum and difference
*= /= %= Assignment by product, quotient, and remainder
<<= >>= Assignment by bitwise left shift and right shift
&= ^= |= Assignment by bitwise AND, XOR, and OR
15 , Comma Left-to-right
Al analizar una expresión, un operador que aparece en alguna fila será atado apretado (como si entre paréntesis) a sus argumentos que cualquier operador que aparece en una fila, más abajo .
Original:
When parsing an expression, an operator which is listed on some row will be bound tighter (as if by parentheses) to its arguments than any operator that is listed on a row further below it.
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Los operadores que se encuentran en la misma celda (puede haber varias filas de los operadores registrados en una celda) tienen la misma prioridad y se agrupan en la dirección dada. Por ejemplo, la expresión a=b=c se analiza como a=(b=c), y no como (a=b)=c a causa de derecha a izquierda asociatividad. Tenga en cuenta que esto no afecta a la evaluación orden de las subexpresiones a, b, y c .
Original:
Operators that are in the same cell (there may be several rows of operators listed in a cell) have the same precedence and are grouped in the given direction. For example, the expression a=b=c is parsed as a=(b=c), and not as (a=b)=c because of right-to-left associativity. Note that this does not affect the evaluación orden of the subexpressions a, b, and c.
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