package dolmen_type

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in-package search v0.2.0

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Bitvector helpers

exception Invalid_char of char

Excpetion raised by functions in this module when a non-valid character is encountered in the parsing functions.

val check_bin : char -> unit

check_bin c Checks if c is '0' or '1', if it's neither, raises Invalid_char c.

val parse_binary : string -> string

Parse a string of the form "#bXXXXXXX" (with X a binary character, i.e. either '1' or '0'), into a binary representation of the bitvector. In this case, it means taking the substring and checking that all characters are valid.

raises Invalid_char
if the input string contains an non-binary character

val parse_hexa : string -> string

Parse a string of the form "#xXXXXXXX" (with X a hexadecimal character, i.e. in the '0'-'f' range), into a binary representation of the bitvector.

raises Invalid_char
if the input string contains a non-hexa character

val parse_decimal : string -> int -> string

Parse a string of the form "bvXXXXXXX" (with X a decimal character, i.e. in the '0'-'9' range), into a binary bitvector of the given size (second argument), which is the representation of the decimal integer (or a truncated version if the size given is smaller thant the required size for the given integer).

raises Invalid_char
if the input string contains a non-decimal character