invalid char representations and raising &lexical

[hyln9]

According to R6RS 4.2.6, these should all raise &lexical. See my comments for each one.

Ikarus Scheme version 0.0.3+ (revision 1452, build 2008-04-19)
Copyright (c) 2006-2008 Abdulaziz Ghuloum

\x0001z ;; should raise &lexical

\3

\alarmx ;; &irritants is ("xalarm")

Unhandled exception
Condition components:

1. &lexical
2. &message: "invalid character after sequence"
3. &irritants: ("xalarm")
4. &lexical-position:
   file-name: stdin
   character: 23
   #\x00110000 ;; should raise &lexical
   Unhandled exception
   Condition components:
   1. &assertion
5. &who: integer->char
6. &message: "integer does not have a unicode representation"
7. &irritants: (1114112)
   #\xD800 ;; should raise &lexical
   Unhandled exception
   Condition components:
   1. &assertion
8. &who: integer->char
9. &message: "integer does not have a unicode representation"
10. &irritants: (55296)

Launchpad Details: #LP223417 Derick Eddington - 2008-04-27 22:37:13 -0400

[hyln9]

Will fix. Thanks.

Launchpad Details: #LPC Abdulaziz Ghuloum - 2008-04-28 00:11:52 -0400

[hyln9]

Fixed in 1454. Thanks. :-)

Ikarus Scheme version 0.0.3+ (revision 1454, build 2008-04-28)
Copyright (c) 2006-2008 Abdulaziz Ghuloum

#\x0001z
Unhandled exception
Condition components:

1. &lexical
2. &message: "invalid character sequence"
   "\x00D800;"
3. &irritants: ("x0001z")
4. &lexical-position:
   file-name: stdin
   character: 8
   #\alarmx
   Unhandled exception
   Condition components:
   1. &lexical
5. &message: "invalid character after sequence"
   foo\xd800;bar
6. &irritants: ("alarmx")
7. &lexical-position:
   file-name: stdin
   character: 17
   #\x00110000
   Unhandled exception
   Condition components:
   1. &lexical
8. &message: "invalid numeric value for character"
9. &irritants: ("x00110000")
10. &lexical-position:
    file-name: stdin
    character: 30
    #\xD800
    Unhandled exception
    Condition components:
    1. &lexical
11. &message: "invalid numeric value for character"
12. &irritants: ("xD800")
13. &lexical-position:
    file-name: stdin
    character: 38
    "\x00110000;"
    Unhandled exception
    Condition components:
    1. &lexical
14. &message: "invalid numeric value for character"
15. &irritants: ("x00110000")
16. &lexical-position:
    file-name: stdin
    character: 51
    "\x00D800;"
    Unhandled exception
    Condition components:
    1. &lexical
17. &message: "invalid numeric value for character"
18. &irritants: ("x00D800")
19. &lexical-position:
    file-name: stdin
    character: 63
    foo\xd800;bar
    Unhandled exception
    Condition components:
    1. &lexical
20. &message: "invalid numeric value for character"
21. &irritants: ("\xd800")
22. &lexical-position:
    file-name: stdin
    character: 75

Launchpad Details: #LPC Abdulaziz Ghuloum - 2008-04-28 15:04:49 -0400