The standard library printf_field package implements support functionality shared by the sfprintf and scanf packages.
The printf_field package API is specified anonymously inline in the source.
The printf_field package source code is in src/lib/src/printf-field.pkg.
The above information is manually maintained and may contain errors.
api {
Sign = ALWAYS_SIGN | BLANK_SIGN | DEFAULT_SIGN;
Neg_Sign = MINUS_SIGN | TILDE_SIGN;
Field_Flags =
{base:Bool, large:Bool, left_justify:Bool, neg_char:Neg_Sign, sign:Sign, zero_pad:Bool};
Field_Width = NO_PAD | WIDTH Int;
Float_Format = E_FORMAT Bool | F_FORMAT | G_FORMAT Bool;
Printf_Field_Type
= BINARY_FIELD
|
BOOL_FIELD
|
CAP_HEX_FIELD
|
CHAR_FIELD
|
FLOAT_FIELD
{format:Float_Format, prec:Int}
|
HEX_FIELD
|
INT_FIELD
|
OCTAL_FIELD
|
STRING_FIELD;
Printf_Field
= CHAR_SET Char -> Bool | FIELD (Field_Flags , Field_Width , Printf_Field_Type) | RAW Substring;
Printf_Arg
= BOOL
Bool
|
CHAR
Char
|
FLOAT
Float
|
INT
Int
|
LEFT
(Int , Printf_Arg)
|
LINT
multiword_int::Int
|
LUNT
one_word_unt::Unt
|
QUICKSTRING
quickstring__premicrothread::Quickstring
|
RIGHT
(Int , Printf_Arg)
|
STRING
String
|
UNT
Unt
|
UNT8
one_byte_unt::Unt;
exception BAD_FORMAT String;
scan_field : Substring -> (Printf_Field , Substring);};