13.4.89  printf_field

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);
};