Reference Manual User guide

C
HAPTER
4
Operators
CATC Scripting Language
13
Operator
Symbol
Description
Operand
Ty p es
R esult
Ty p es
Examples
Bitwise Logical Operators
~
Bitwise
complement
Integer-integer Integer
~0b11111110 = 0b00000001
&
Bitwise AND Integer-integer Integer
0b11111110 & 0b01010101 =
0b01010100
^
Bitwise
exclusive OR
Integer-integer Integer
0b11111110 ^ 0b01010101 =
0b10101011
|
Bitwise
inclusive OR
Integer-integer Integer
0b11111110 | 0b01010101 =
0b11111111
Shift Operators
<<
Left shift Integer-integer Integer
0b11111110 << 3 = 0b11110000
>>
Right shift Integer-integer Integer
0b11111110 >> 1 = 0b01111111
Assignment Operators
=
Assignment Any Any
A = 1
B = C = A
+=
Addition
assignment
Integer-integer Integer
x = 1
x
+= 1 = 2
String-string String
a = "one "
a
+= "two" = "one two"
Raw byte-raw byte Raw
z = '001122'
z
+= '334455' = '001122334455'
List-list List
x = [1, 2]
x
+= [3, 4] = [1, 2, 3, 4]
Integer-list List
y = 1
y
+= [2, 3] = [1, 2, 3]
Integer-string String
a = "number = "
a += 2 = "number = 2"
*Note:
integer-string concatenation uses decimal
conversion.
String-list List
s = "one"
s
+ ["two"] = ["one", "two"]
-=
Subtraction
assignment
Integer-integer Integer
y = 3
y
–= 1 = 2
*=
Multiplication
assignment
Integer-integer Integer
x = 3
x
*= 1 = 3
/=
Division
assignment
Integer-integer Integer
s = 3
s
/= 1 = 3
%=
Modulus
assignment
Integer-integer Integer
y = 3
y
%= 1 = 0
>>=
Right shift
assignment
Integer-integer Integer
b = 0b11111110
b
>>= 1 = 0b01111111
<<=
Left shift
assignment
Integer-integer Integer
a = 0b11111110
a
<<= 3 = 0b11111110000
Table 4.2: Operators (Continued)