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author | Michael Gran <spk121@yahoo.com> | 2009-07-29 06:38:32 -0700 |
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committer | Michael Gran <spk121@yahoo.com> | 2009-07-29 06:38:32 -0700 |
commit | 904a78f11d2d11a58d5df365a44c4fbbd4c96df3 (patch) | |
tree | c0df0bc8bfcb70ce62ce7de6d42b9df26352b7e8 /libguile/vm-i-system.c | |
parent | 77332b21a01fac906ae4707426e00f01e62c0415 (diff) | |
download | guile-904a78f11d2d11a58d5df365a44c4fbbd4c96df3.tar.gz |
Add 32-bit characters
This adds the 32-bit standalone characters. Strings are still
8-bit. Characters larger than 8-bit can only be entered or
displayed in octal format at this point. At this point, the
terminal's display encoding is expected to be Latin-1.
* module/language/assembly/compile-bytecode.scm (write-bytecode):
add 32-bit char
* module/language/assembly.scm (object->assembly): add 32-bit char
(assembly->object): add 32-bit char
* libguile/vm-i-system.c (make-char32): new op
* libguile/print.c (iprin1): print 32-bit char
* libguile/numbers.h: add type scm_t_wchar
* libguile/numbers.c: add type scm_t_wchar
* libguile/chars.h: new type scm_t_wchar
(SCM_CODEPOINT_MAX): new
(SCM_IS_UNICODE_CHAR): new
(SCM_MAKE_CHAR): operate on 32-bit char
* libguile/chars.c: comparison operators now use Unicode
codepoints
(scm_c_upcase): now receives and returns scm_t_wchar
(scm_c_downcase): now receives and returns scm_t_wchar
Diffstat (limited to 'libguile/vm-i-system.c')
-rw-r--r-- | libguile/vm-i-system.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/libguile/vm-i-system.c b/libguile/vm-i-system.c index 726112c8a..ecafbebdd 100644 --- a/libguile/vm-i-system.c +++ b/libguile/vm-i-system.c @@ -175,6 +175,19 @@ VM_DEFINE_INSTRUCTION (16, make_char8, "make-char8", 1, 0, 1) NEXT; } +VM_DEFINE_INSTRUCTION (42, make_char32, "make-char32", 4, 0, 1) +{ + scm_t_wchar v = 0; + v += FETCH (); + v <<= 8; v += FETCH (); + v <<= 8; v += FETCH (); + v <<= 8; v += FETCH (); + PUSH (SCM_MAKE_CHAR (v)); + NEXT; +} + + + VM_DEFINE_INSTRUCTION (17, list, "list", 2, -1, 1) { unsigned h = FETCH (); |