Literals

Number literals

• Integers : 255, 0255, 0xff, 0o377, 0b11111111
• Floating-point : 0.25, .25, 00.250, 0.25e0, 2.5e-1, 0.025e1

Character literals

• Unicode characters : 'あ' -> 12354
• Characters sequence : 'Hello' -> 111 108 108 101 72

Escape sequences

• \a -> 7
• \b -> 8
• \e -> 27
• \f -> 12
• \n -> 10
• \r -> 13
• \t -> 9
• \v -> 11
• \\ -> 92
• \' -> 39
• \" -> 34
• \nnn -> The byte whose numerical value is given by nnn interpreted as an octal number.
• \xhh -> The byte whose numerical value is given by hh interpreted as a hexadecimal number.
• \uhhhh -> Unicode code point below 10000 hexadecimal.
• \Uhhhhhhhh -> Unicode code point where h is a hexadecimal digit.

String literals

• "Hello" -> It allot 6 cells. It ends with '\0'.

Identifier literals

$(identifier)

This is a unique unsigned integer value.

It used when declaring subroutines, variables, structures, etc.

Control keywords, built-in operators, literals cannot become identifiers.