Teledyne-lecroy Protocol Analyzers File-Based Decoding User Manual Manual de usuario descargar pdf (Pagina 17)

File-based Decoding User Manual Chapter 4: Operators

LeCroy Corporation 11

Operator

Symbol Description Operand Types

Result

Types Examples

Index Operator

[ ] Index or subscript Raw Bytes Integer Raw = '001122'

Raw[1] = 0x11

List Any List = [0, 1, 2, 3, [4, 5]]

List[2] = 2

List[4] = [4, 5]

List[4][1] = 5

*Note: if an indexed Raw value is assigned to any

value that is not a byte (

> 255 or not an integer), the

variable is promoted to a list before the assignment

is performed.

Associative Operator

( ) Associative Any Any ( 2 + 4 ) * 3 = 18

2 + ( 4 * 3 ) = 14

Arithmetic Operators

* Multiplication Integer-integer Integer 3 * 1 = 3

/ Division Integer-integer Integer 3 / 1 = 3

% Modulus Integer-integer Integer 3 % 1 = 0

+ Addition Integer-integer Integer 2 + 2 = 4

String-string String "one " + "two" = "one two"

Raw byte-raw byte Raw '001122' + '334455' = '001122334455'

List-list List [1, 2] + [3, 4] = [1, 2, 3, 4]

Integer-list List 1 + [2, 3] = [1, 2, 3]

Integer-string String "number = " + 2 = "number = 2"

*Note: integer-string concatenation uses decimal

conversion.

String-list List "one" + ["two"] = ["one", "two"]

- Subtraction Integer-integer Integer 3 – 1 = 2

Increment and Decrement Operators

++ Increment Integer Integer a = 1

++a = 2

b = 1

b++ = 1

*Note that the value of b after execution is 2.

-- Decrement Integer Integer a = 2

--a = 1

b = 2

b-- = 2

*Note that the value of b after execution is 1.

Table 4.2 Operators

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 81 82

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Teledyne-lecroy Protocol Analyzers File-Based Decoding User Manual Manual de usuario Pagina 17

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