support for (AND ..) types, among other things)
changes in sbcl-0.6.13 relative to sbcl-0.6.12:
-* a port to the Alpha CPU, thanks to Dan Barlow
+* a port to the Compaq/DEC Alpha CPU, thanks to Dan Barlow
* Martin Atzmueller ported Tim Moore's marvellous CMU CL DISASSEMBLE
patch, so that DISASSEMBLE output is much nicer.
-* better error handling in CLOS method combination, thanks to
- Martin Atzmueller and Pierre Mai
-* Logical pathnames work better, thanks to various fixes and
- tests from Dan Barlow.
+* The code in the SB-PROFILE package now seems reasonably stable.
+ I still haven't decided what the final interface should look like
+ (I'd like PROFILE to interact cleanly with TRACE, since both
+ facilities use function encapsulation) but if you have a need
+ for profiling now, you can probably use it successfully with
+ the current CMU-CL-style interface.
+* Pathnames and *DEFAULT-DIRECTORY-DEFAULTS* are much more
+ ANSI-compliant, thanks to various fixes and tests from Dan Barlow.
+ Also, at Dan Barlow's suggestion, TRUENAME on a dangling symbolic
+ link now returns the dangling link itself, and for similar
+ reasons, TRUENAME on a cyclic symbolic link returns the cyclic
+ link itself. (In these cases the old code signalled an error and
+ looped endlessly, respectively.) Thus, DIRECTORY now works even
+ in the presence of dangling and cyclic symbolic links.
+* Compiler trace output (the :TRACE-FILE option to COMPILE-FILE)
+ is now a supported extension again, since the consensus on
+ sbcl-devel was that it can be useful for ordinary development
+ work, not just for debugging SBCL itself.
+* The default for SB-EXT:*DERIVE-FUNCTION-TYPES* has changed to
+ NIL, i.e. ANSI behavior, i.e. the compiler now recognizes
+ that currently-defined functions might be redefined later with
+ different return types.
* Hash tables can be printed readably, as inspired by CMU CL code
of Eric Marsden and SBCL code of Martin Atzmueller.
-* a new slam.sh hack to shorten the edit/compile/debug cycle for
- low-level changes to SBCL itself, and a new :SB-AFTER-XC-CORE
- target feature to control the generation of the after-xc.core
- file needed by slam.sh.
-* Compiler trace output (the :TRACE-FILE option to COMPILE-FILE)
- is now a supported extension again, since the consensus is that
- it can be useful for ordinary development work, not just for
- debugging SBCL itself.
-?? more overflow fixes for >16Mbyte i/o buffers
+* better error handling in CLOS method combination, thanks to
+ Martin Atzmueller porting Pierre Mai's CMU CL patches
+* more overflow fixes for >16Mbyte I/O buffers
+* A bug in READ has been fixed, so that now a single Ctrl-D
+ character suffices to cause end-of-file on character streams.
+ In particular, now you only need one Ctrl-D at the command
+ line (not two) to exit SBCL.
+* fixed bug 26: ARRAY-DISPLACEMENT now returns (VALUES NIL 0) for
+ undisplaced arrays.
+* fixed bug 107 (reported as a CMU CL bug by Erik Naggum on
+ comp.lang.lisp 2001-06-11): (WRITE #*101 :RADIX T :BASE 36) now
+ does the right thing.
+* The implementation of some type tests, especially for CONDITION
+ types, is now tidier and maybe faster, due to CMU CL code
+ originally by Douglas Crosher, ported by Martin Atzmueller.
+* Some math functions have been fixed, and there are new
+ optimizers for deriving the types of COERCE and ARRAY-ELEMENT-TYPE,
+ thanks to Raymond Toy's work on CMU CL, ported by Martin Atzmueller.
+* (There are also some new optimizers in contrib/*-extras.lisp. Those
+ aren't built into sbcl-0.6.13, but are a sneak preview of what's
+ likely to be built into sbcl-0.7.0.)
+* A bug in COPY-READTABLE was fixed. (Joao Cachopo's patch to CMU
+ CL, ported to SBCL by Martin Atzmueller)
+* DESCRIBE now gives more information in some cases. (Pierre Mai's
+ patch to CMU CL, ported to SBCL by Martin Atzmueller)
+* Martin Atzmueller and Bill Newman fixed some bugs in INSPECT.
+* There's a new slam.sh hack to shorten the edit/compile/debug
+ cycle for low-level changes to SBCL itself, and a new
+ :SB-AFTER-XC-CORE target feature to control the generation of
+ the after-xc.core file needed by slam.sh.
* minor incompatible change: The ENTRY-POINTS &KEY argument to
COMPILE-FILE is no longer supported, so that now every function
gets an entry point, so that block compilation looks a little
more like the plain vanilla ANSI section 3.2.2.3 scheme.
+* minor incompatible change: SB-EXT:GET-BYTES-CONSED now
+ returns the number of bytes consed since the system started,
+ rather than the number consed since the first time the function
+ was called. (The new definition parallels ANSI functions like
+ CL:GET-INTERNAL-RUN-TIME.)
+* minor incompatible change: The old CMU-CL-style DIRECTORY options,
+ i.e. :ALL, :FOLLOW-LINKS, and :CHECK-FOR-SUBDIRS, are no longer
+ supported. Now DIRECTORY always does the abstract Common-Lisp-y
+ thing, i.e. :ALL T :FOLLOW-LINKS T :CHECK-FOR-SUBDIRS T.
* Fasl file version numbers are now independent of the target CPU,
since historically most system changes which required version
number changes have affected all CPUs equally. Similarly,
the byte fasl file version is now equal to the ordinary
fasl file version.
+changes in sbcl-0.7.0 relative to sbcl-0.6.13:
+* There are new compiler optimizations for various functions: FIND,
+ POSITION, FIND-IF, POSITION-IF, FILL, COERCE, TRUNCATE, FLOOR, and
+ CEILING. Mostly these should be transparent, but there's one
+ potentially-annoying problem (bug 117): when the compiler inline
+ expands the FIND/POSITION family of functions and does type
+ analysis on the result, it can find control paths which have
+ type mismatches, and when it can't prove that they're not taken,
+ it will issue WARNINGs about the type mismatches. It's not clear
+ how to make the compiler smart enough to fix this in general, but
+ a workaround is given in the entry for 117 in the BUGS file.
+* The doc/cmucl/ directory, containing old CMU CL documentation,
+ is no longer part of the base system. The files which used to
+ be in the doc/cmucl/ directory are now available as
+ <ftp://sbcl.sourceforge.net/pub/sbcl/cmucl-docs.tar.bz2>.
+?? lots of tidying up internally: renaming things so that names are
+ more systematic and consistent, converting C macros to inline
+ functions, systematizing indentation
+
planned incompatible changes in 0.7.x:
* The debugger prompt sequence now goes "5]", "5[2]", "5[3]", etc.
as you get deeper into recursive calls to the debugger command loop,
projects / sbcl.git / blobdiff