Sunday, November 06, 2005
Factor 0.79 released
Factor 0.79 is now out after two months of development.Everything else: Contributed code:
- Incompatible changes:
- The
iftecombinator has been renamed toif. - Syntax changes:
{ 1 2 3 } ! arrays
V{ 1 2 3 } ! vectors
H{ [[ key value ]] ... } ! hashtables
C{ 1.02 -7.44 } ! complex numbers
T{ class slots ... } ! tuple
- The
- Compiler:
- New basic block optimizer performs more aggressive dead load and store elimination.
- Stack shuffles are compiled more efficiently.
- Pushing literals on either side of a stack shuffle is now compiled more efficiently.
- Fixed a problem with relocation of compiled code on PowerPC.
- Fixed various FFI issues on Mac OS X.
- User interface:
- Graphics rendering is now done using OpenGL and text rendering is done via FreeType. SDL_gfx and SDL_ttf libraries are no longer required.
- Added expandable outliners. Used by the inspector,
.s,usage.,uses.,vocabs., and various other words. - Added word completion to the listener pane; press
TAB. - Added word navigation shortcuts to the listener pane; press
C+LEFTandC+RIGHTto move a word at a time, andC+BACKSPACEandC+DELETEto delete the previous and next word, respectively. - Added mouse-over help for presentations.
- Previously-entered output is now clickable in the listener.
- New, better-looking widget theme.
- Collections:
- Faster
map,2eachand2map. - Arrays are now better supported and should be used instead of vectors where resizing is not desired.
- Some new sequence words that do not bounds check:
nth-unsafeandset-nth-unsafe. These should only be used in special circumstances, such as inner loops (each,mapand so on use them). - New
replace-slice ( new from to seq -- seq )word replaces a slice of a sequence with another sequence. - Hashtables did not obey the rule that equal objects must have equal hashcodes, so using hashtables as hashtable keys did not work.
- New
mismatch ( seq seq -- i )word returns first index where two sequences differ, or -1 if they have equal elements. - New
drop-prefix ( seq seq -- seq seq )word returns a pair of sequences which have the same elements as the two input sequences, with the common prefix removed.
- Faster
- On Mac OS X, signal 11 errors caused by stack under/overflow no longer trigger the OS X crash reporter dialog.
- Easier exception handling. The
cleanup ( try cleanup -- )word encapsulates the following idiom:
The
[ A ] [ B rethrow ] catch
[ A ] [ B ] cleanuprecover ( try recover -- )word encapsulates the following idiom:
The
[ A ] [ [ B ] when* ] catch
[ A ] [ B ] recovercatch ( try -- error/f )word no longer takes a quotation that receives the error caught; rather, it just pushes the error that was caught on the stack. That is, the old way:
Becomes:
[ A ] [ B ] catch
However, most uses of
[ A ] catch Bcatchcan be replaced bycleanupandrecover. - The distinct
ttype is gone. Now, thetobject is just a symbol. - A new
with-server ( port ident quot -- )combinator takes care of listening on a network socket, logging client connections, spawning client handler threads, and error handling. The quotation is called for each client, in a new scope with the client socket as the default stream. - New
1+,1-words are a bit faster than1 +and1 -since there is one less generic dispatch involved. - On Windows, FFI errors would raise a signal 11 instead of reporting a nice message.
- The HTTP server and client has been moved from
library/httpd/tolibrary/contrib/. - Intel 8080 CPU and Space Invaders emulator in
contrib/space-invaders(Chris Double) - AOL Instant Messenger chat client library in
contrib/aim(Doug Coleman) - Cairo graphics library binding in
contrib/cairo. (Sampo Vuori) - Advanced math library with quaternions, matrices, polynomials, statistics and various functions in
contrib/math/. (Doug Coleman) - Dimensioned units in
contrib/units/. (Doug Coleman) - X11 binding in
contrib/x11/(Eduardo Cavazos)
Comments:
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But I don't appear to be able to compile the UI on Mac OS X (at least it doesn't on my Mac OS X...)
I've got SDL 1.2 and Freetype 2.1.9 both installed under /opt/local (via dports) and have tried both make macosx-sdl and SITE_CFLAGS="-I/opt/local/include -L/opt/local/lib" make macosx-sdl but neither seem to work. Am I missing something really obvious?
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I've got SDL 1.2 and Freetype 2.1.9 both installed under /opt/local (via dports) and have tried both make macosx-sdl and SITE_CFLAGS="-I/opt/local/include -L/opt/local/lib" make macosx-sdl but neither seem to work. Am I missing something really obvious?
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