* new syntactic sugar for the Unix command line: --load foo.bar is now
an alternate notation for --eval '(load "foo.bar")'.
* bug fixes:
- ?? The system now detects stack overflow and handles it gracefully,
+ ** The system now detects stack overflow and handles it gracefully,
at least for (OR (> SAFETY (MAX SPEED SPACE)) (= SAFETY 3))
optimization settings. (This is a good thing in general, and
its introduction in this version should be particularly timely
classes in the same source file as the DEFCLASSes which defined
them. (thanks to Stig E Sandoe for reporting and Martin Atzmueller
for fixing this)
+ ** fixes in CONDITION class precedence list for undefined function
+ errors (thanks to Alexei Dejneka)
+ ** *DEFAULT-PATHNAME-DEFAULTS* is used more consistently and
+ correctly. (thanks to Dan Barlow)
+ ** portability fixes aiming at bootstrapping under CLISP (thanks
+ to Dave McDonald and Christophe Rhodes)
+ ** FORMAT fixes (thanks to Robert Strandh and Dan Barlow)
+ ** fixes in type translation and and type inference (thanks to
+ Christophe Rhodes)
+ ** fixes to optimizer internal errors (thanks to Alexei Dejneka)
+ ** various fixes in the new ports (thanks to Dan Barlow)
* several changes related to debugging:
** suppression of tail recursion, as noted above
** stack overflow detection, as noted above
implementation, at least on X86 systems; and I just noticed that
encapsulation also seems closer to the spirit of the ANSI
specification.)
- ?? TRACE :ENCAPSULATE T now attaches a more informative debug
- name to its wrapper function objects than it used to
+
+changes in sbcl-0.7.3 relative to sbcl-0.7.2:
+ * ANSI's DEFINE-SYMBOL-MACRO is now supported. (thanks to Nathan
+ Froyd porting CMU CL code originally by Douglas Thomas Crosher)
+ * SBCL now runs on the PPC archtiecture under Linux. It actually did
+ this as of 0.7.1.45, but was left out of the previous news section
+ (thanks to Dan Barlow)
+ * SBCL now runs on the Solaris operating system on SPARC architectures
+ (thanks to Christophe Rhodes's port of the CMUCL runtime)
+ * cleanups to the runtime on SPARC, both Linux and Solaris, and for
+ gcc>=3 (thanks to Nathan Froyd and Ingvar Mattsson)
+ * SPARC backend cleanups, allowing builds of cores optimized for V8
+ and V9 SPARCS, and also emission of code targeted to a particular
+ backend chosen at runtime (thanks to Christophe Rhodes and Raymond
+ Toy)
+ * SBCL is closer to bootstrapping under CLISP, thanks to various
+ fixes by Christophe Rhodes.
+ * The fasl file format has changed again, to allow the compiler's
+ INFO database to support symbol macros.
+ * The user manual (in doc/) is formatted into HTML more nicely.
+ (thanks to coreythomas)
+ * The system is smarter about SUBTYPEP relationships, especially
+ those involving NOT types (including types such as ATOM which are
+ represented internally using NOT types). Thus SUBTYPEP is less
+ likely to return (VALUES NIL NIL) in general, and in particular
+ bugs 58 and (the remaining bits of) bug 50 are fixed. (thanks to
+ Christophe Rhodes)
+ * The fasl file format has changed again, because the internal
+ representation of types now includes a new slot to support the new
+ SUBTYPEP-of-NOT-types logic.
+ * (not a change in the main branch of SBCL, but a related prototype
+ which can hopefully be merged into the main branch of SBCL in the
+ future:) Brian Spilsbury has produced a Unicode-enabled variant of
+ sbcl-0.7.0, available as a patch against sbcl-0.7.0 at
+ <http://designix.com.au/brian/SBCL/sbcl-0.7.0-unicode.p0.gz>.
+ * Bug 151 fixed: GET-DISPATCH-MACRO-CHAR now returns NIL for undefined
+ dispatch macro character combinations. (thanks to Alexey Dejneka)
+ * Bugfix in PARSE-NAMESTRING: we now correctly parse unix namestrings
+ that superficially look like logical namestrings correctly.
+ * USER-HOMEDIR-PATHNAME now returns a (physical) pathname that SBCL
+ can deal with.
+ * Bugfix in DEFSTRUCT: BOA constructor lambda lists now accept (name
+ default supplied-p) for &optional and &key arguments. (thanks to
+ Martin Atzmueller)
+
+changes in sbcl-0.7.4 relative to sbcl-0.7.3:
+ * bug 147 fixed: The compiler preserves its block link/count
+ invariants more correctly now so that it doesn't crash. (thanks
+ to Alexey Dejneka)
+ * Dynamic loading of object files in OpenBSD is now supported. (thanks
+ to Pierre Mai)
+ * COMPILE now works correctly on macros. (thanks to Matthias Hoelzl)
+ * GET-MACRO-CHARACTER and SET-MACRO-CHARACTER now represent
+ no-value-for-this-character as NIL (as specified by ANSI).
+ * HOST-NAMESTRING on physical pathnames now returns a string that is
+ valid as a host argument to MERGE-PATHNAMES and to MAKE-PATHNAME.
+ (thanks to Christophe Rhodes)
+ * The Alpha port handles icache flushing more correctly. (thanks to
+ Dan Barlow)
+ * More progress has been made toward bootstrapping under CLISP. (thanks
+ to Christophe Rhodes)
+ * The fasl file format has changed again, because dynamic loading
+ on OpenBSD (which has non-ELF object files) motivated some cleanups
+ in the way that foreign symbols are transformed and passed around.
+ * minor incompatible change: The ASCII RUBOUT character, (CHAR-CODE 127),
+ is no longer treated as whitespace by the reader, but instead as
+ an ordinary character. Thus e.g. (READ-FROM-STRING "A\7fB") returns
+ |A\7fB|, instead of A as it used to.
+
+changes in sbcl-0.7.5 relative to sbcl-0.7.4:
+ * SBCL now builds with OpenMCL (version 0.12) as the
+ cross-compilation host; also, more progress has been made toward
+ bootstrapping under CLISP.
+ * SBCL now runs on the Tru64 (aka OSF/1) operating system on the
+ Alpha architecture.
+ * bug 158 fixed: The compiler can now deal with integer loop
+ increments different from 1; fixing this turned out also to fix
+ bug 164.
+ * bug 169 fixed: no more bogus warnings about using lexical bindings
+ despite the presence of perfectly good SPECIAL declarations (thanks
+ to David Lichteblau)
+ * bug 175 fixed: CHANGE-CLASS is now more ANSI-conforming,
+ accepting initargs. (thanks to Espen Johnsen and Pierre Mai)
+ * bug 179 fixed: DIRECTORY can now deal with filenames with pattern
+ characters in them.
+ * bug 180 fixed: Method combination specifications no longer ignore
+ the :MOST-SPECIFIC-LAST option. (thanks to Pierre Mai)
+ * bug fix: Structure type predicate functions now check their argument
+ count as they should.
+ * bug fix: Classes with :METACLASS STRUCTURE-CLASS now print
+ correctly. (thanks to Pierre Mai)
+ * minor incompatible change: The --noprogrammer option is deprecated
+ in favor of the new --disable-debugger option, which is very similar.
+ (The major difference is that it takes effect at a slightly different
+ time at startup, causing handling of errors in --sysinit and
+ --userinit files will be affected differently.) The
+ SB-EXT:DISABLE-DEBUGGER and SB-EXT:ENABLE-DEBUGGER functions have
+ been added to allow this functionality to be controlled from ordinary
+ Lisp code. (ENABLE-DEBUGGER should help people like the Debian
+ maintainers, who might want to run non-interactive scripts to
+ build SBCL cores which will later be used interactively.)
+ * minor incompatible change: The LOAD function no longer, when given
+ a wild pathname to load, loads all files matching that pathname.
+ Instead, an error of type FILE-ERROR is signalled.
+
+changes in sbcl-0.7.6 relative to sbcl-0.7.5:
+ * bug fix: Floating point exceptions are treated much more
+ consistently on the x86/Linux and PPC/Linux platforms.
+ * Array initialization with :INITIAL-ELEMENT is now much faster for
+ cases when the compiler cannot open code the array creation, but
+ does know what the UPGRADED-ARRAY-ELEMENT-TYPE will be. General
+ array accesses have also seen a speed increase.
+ * bug fix: LOAD :IF-DOES-NOT-EXIST NIL now works when file type is
+ specified. (This was at the root of some bad interactions between
+ SBCL and ILISP: thanks to Gregory Wright for diagnosing this and
+ reporting the bug.)
+ * bug fix: Internal error arguments for undefined functions are now
+ computed correctly on the PPC/Linux platform.
+ * bug fix: Bad &REST syntax is now checked correctly. (thanks to
+ Raymond Toy's patch for CMU CL)
+ * Support for the Solaris 9 operating environment has been included
+ (thanks to Daniel Merritt)
+ * A very ugly but hopefully complete draft of the missing FFI chapter
+ of the manual has been created by reformatting the corresponding
+ CMU CL manual chapter into (currently very ugly and incoherent)
+ DocBook and bringing it up to date for SBCL behavior. Thus, the
+ manual is now essentially complete, at least by my extreme
+ once-and-only-once standards, whereby it's acceptable to refer to
+ the doc strings of SB-EXT functions as the primary documentation.
+ * The fasl file version number has changed again, due to cleanup of
+ (user-invisible) bitrotted stuff. (E.g. *!INITIAL-FDEFN-OBJECTS*
+ is no longer a static symbol.)
+
+changes in sbcl-0.7.7 relative to sbcl-0.7.6:
+ * An alpha-quality port to the parisc architecture running Linux,
+ based on the old CMUCL backend, has been made. This, even more so
+ than the other backends, should be considered still a work in
+ progress; known problems include that the Linux kernel in 64-bit
+ mode does not propagate the correct sigcontext structure to
+ userspace, and consequently SBCL on a parisc64 kernel will not
+ work yet.
+ * fixed bug 189: The compiler now respects NOTINLINE declarations for
+ functions declared in FLET and LABELS. (I.e. "LET conversion" is
+ suppressed.) Also now that the compiler is looking at declarations
+ in the environment, it checks optimization declarations as well,
+ and suppresses inlining when (> DEBUG SPEED).
+ * More fixes have been made to treatment of floating point exception
+ treatment and other Unix signals. In particular, floating point
+ exceptions no longer cause Bus errors on the SPARC/Linux platform.
+ * The detection and handling of control stack exhaustion (infinite
+ or very deeply nested recursion) has changed. Stack exhaustion
+ detection is now done by write-protecting pages at the OS level
+ and applies at all optimization settings; when found, a
+ SB-KERNEL:CONTROL-STACK-EXHAUSTED condition (subclass of
+ STORAGE-CONDITION) is signalled, so stack exhaustion can no longer
+ be caught using IGNORE-ERRORS.
+ * Bugs 65, 70, and 109 fixed: The compiler now preserves invariants
+ correctly when transforming recursive LABELS functions to LETs.
+ (thanks to Alexey Dejneka)
+ * Bug 48a./b. fixed: SYMBOL-MACROLET now refuses to bind symbols
+ that are names of constants or global variables.
+ * Bug fix: DEFINE-ALIEN-ROUTINE now declaims the correct FTYPE for
+ alien routines with docstrings.
+ * Bug 184 fixed: Division of ratios by the integer 0 now signals an
+ error of type DIVISION-BY-ZERO. (thanks to Wolfhard Buss and
+ Raymond Toy)
+ * Bug fix: Errors in PARSE-INTEGER are now of type PARSE-ERROR.
+ (thanks to Eric Marsden)
+ * Bug fix: COERCE to (COMPLEX FLOAT) of rationals now returns an
+ object of type (COMPLEX FLOAT). (thanks to Wolfhard Buss)
+ * Bug fix: The SPARC backend can now compile functions involving
+ LOGAND and stack-allocated arguments. (thanks to Raymond Toy)
+ * Bug fix: We no longer segfault on passing a non-FILE-STREAM stream
+ to a functions expecting a PATHNAME-DESIGNATOR.
+ * Bug fix: DEFGENERIC now enforces the ANSI restrictions on its
+ lambda lists. (thanks to Alexey Dejneka)
+ * Bug fix: changed encoding of PCL's internal MAKE-INSTANCE
+ functions so that EXPORTing the name of the class doesn't cause
+ MAKE-INSTANCE functions from earlier DEFCLASSes to get lost (thanks
+ to Antonio Martinez for reporting this)
+ * Bug 192 fixed: The internal primitive DATA-VECTOR-REF can now be
+ constant-folded without failing an assertion. (thanks to Einar
+ Floystad Dorum for reporting this)
+ * Bugs 123 and 165 fixed: array specializations on as-yet-undefined
+ types are now dealt with more correctly by the compiler.
+ * Minor incompatible change: COMPILE-FILE-PATHNAME now merges its
+ OUTPUT-FILE argument with its INPUT-FILE argument, resulting in
+ behaviour analogous to RENAME-FILE. This puts its behaviour more
+ in line with ANSI's wording on COMPILE-FILE-PATHNAME. (thanks to
+ Marco Antinotti)
+ * The fasl file version number has changed again. (because of the
+ bug fix involving the names of PCL MAKE-INSTANCE functions)
+
+changes in sbcl-0.7.8 relative to sbcl-0.7.7:
+ * A beta-quality port to the mips architecture running Linux,
+ based on the old CMUCL backend, has been made. It has been tested
+ on a big-endian kernel, and works sufficiently well to be able to
+ rebuild itself; it has not been tested in little-endian mode.
+ * fixed bug 120a: The compiler now deals correctly with IFs where
+ the consequent is the same as the alternative, instead of
+ misderiving the return type. (thanks to Alexey Dejneka)
+ * fixed bug 113: Logical pathnames are now dumpable (the logical
+ host is resolved at load-time, throwing an error if it is not
+ found).
+ * fixed bug 174: FORMAT's error message is slightly clearer when a
+ non-printing character is used in a format directive.
+ * fixed several bugs in compiler checking of type declarations, i.e.
+ violations of the Python "declarations are assertions" principle
+ (thanks to Alexey Dejneka)
+ * fixed several bugs in PCL's error checking (thanks to Gerd
+ Moellmann)
+ * fixed bug in printing of FILE-ERROR (thanks to Antonio
+ Martinez-Shotton)
+ * fixed bug in compilation of functions as first class values
+ (thanks to Antonio Martinez-Shotton)
+ * The compiler's handling TYPE-ERRORs which it can prove will
+ inevitably happen at runtime has been cleaned up and corrected.
+ (thanks to Alexey Dejneka)
planned incompatible changes in 0.7.x:
* When the profiling interface settles down, maybe in 0.7.x, maybe
projects / sbcl.git / blobdiff