X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=NEWS;h=ffdb9b478417094238a4c886335d0a384e26c7e8;hb=784b195743728436795b90f95273c3535ebee9a5;hp=5c54d08284d6329558a707c8efe3eab04e18c259;hpb=7f13323739a0d2b474bfd5c740942db5a78349d6;p=sbcl.git diff --git a/NEWS b/NEWS index 5c54d08..ffdb9b4 100644 --- a/NEWS +++ b/NEWS @@ -1778,14 +1778,26 @@ changes in sbcl-0.8.1 relative to sbcl-0.8.0: were silently accepted). * minor incompatible change: COMPILE-FILE now uses the freedom afforded (ANSI 3.2.2.3) to use derived function types for - functions defined in the same file. This also permits the system - to warn on static type mismatches and function redefinition. - * changes in type checking closed the following bugs: + functions defined in the same file. This also permits the system + to warn on static type mismatches and function + redefinition. (Currently it does not work with high DEBUG level.) + * minor incompatible change: VALUES declaration is disabled. + * When issuing notes, the compiler now signals a condition of type + SB-EXT:COMPILER-NOTE, and provides an associated MUFFLE-WARNING + restart for use in user handlers. It is expected that the + COMPILER-NOTE condition will eventually become a condition + supertype to a hierarchy of note types, which will then be + handleable in a similar fashion. However, at the moment, no such + note subtypes yet exist. (SB-INT:SIMPLE-COMPILER-NOTE exists, + but it's an implementation detail, not a classification for the + purpose above.) + * Changes in type checking closed the following bugs: ** type checking of unused values (192b, 194d, 203); ** template selection based on unsafe type assertions (192c, 236); ** type checking in branches (194bc). - * VALUES declaration is disabled. - * a short form of VALUES type specifier has ANSI meaning. + * A short form of VALUES type specifier has ANSI meaning (it has + increased the number of situations when SBCL cannot perform type + checking). * fixed bug in DEFSTRUCT: once again, naming structure slots with keywords or constants is permissible. * STREAM-READ-SEQUENCE and STREAM-WRITE-SEQUENCE now have methods @@ -1795,42 +1807,63 @@ changes in sbcl-0.8.1 relative to sbcl-0.8.0: outputs FRESH-LINE or TERPRI, and no longer converts its stream argument to a pretty-print stream. Instead, it leaves any such operations to DESCRIBE-OBJECT methods. - * bug fix: APROPOS now respects the EXTERNAL-ONLY flag. (reported + * bug fix: APROPOS now respects the EXTERNAL-ONLY flag. (reported by Teemu Kalvas) * bug fix: NIL is now a valid destructuring argument in DEFMACRO - lambda lists. (thanks to David Lichteblau) - * bug fix: defining a generic function with a :METHOD-CLASS being a + lambda lists. (thanks to David Lichteblau) + * bug fix: Defining a generic function with a :METHOD-CLASS being a subclass of STANDARD-METHOD no longer causes stack exhaustion. (thanks to Gerd Moellmann) - * increased compilation speed of long MULTIPLE-VALUES-BIND. + * fixed bug 246: increased compilation speed of long + MULTIPLE-VALUE-BIND (and likewise of NTH-VALUE with a constant + integer argument) * a contributed module implementing COMPILER-LET and MACROEXPAND-ALL has been included. * DEFCONSTANT now throws a condition of type SB-EXT:DEFCONSTANT-UNEQL if it is being asked to redefine a constant to a non-EQL value; CONTINUE and ABORT restarts - respectively change and preserve the value. - * fixed bug 63: the code walker, part of the implementation of CLOS, - is better at handling symbol macros. - * bug fix: there is no longer a type named LENGTH. (reported by - Raymond Toy) + respectively change and preserve the value. + * fixed bug 63: The code walker, part of the implementation of CLOS, + is now better at handling symbol macros. + * bug fix: There is no longer an internal implementation type named + CL:LENGTH. (reported by Raymond Toy) + * bug fix: In macro-like defining macros/special operators the + implicit block does not enclose the lambda list. + * fixed bugs 10 and 43: Bare VALUES, AND, OR and MEMBER symbols (not + enclosed in parentheses) are not suitable as type specifiers, and + their use properly signals an error now. + * bug fix: An argument count mismatch for a type specifier in code + being compiled no longer causes an unhandled error at compile + time, but signals a compile-time warning. + * fixed simple vector readable printing + * bug fix: DESCRIBE takes more care over whether the class + precedence list slot of a class is bound before accessing it. + (reported by Markus Krummenacker) + * bug fix: FORMATTER can successfully compile pretty-printer format + strings which use variants of the ~* directive inside. + * bug fix: SEARCH now applies its TEST predicate to the elements of + the arguments in the correct order. (thanks to Wolfhard Buss) + * fixed bug 235b: The compiler uses return types of MAPCAR and friends + in type inference. (thanks to Robert E. Brown) + * bug fix: Reading in symbols with an explicit package name of "" + (e.g. '||::FOO) now works correctly. (reported by Henrik Motakef) * fixed some bugs revealed by Paul Dietz' test suite: ** NIL is now allowed as a structure slot name. - ** arbitrary numbers, not just reals, are allowed in certain + ** Arbitrary numbers, not just REALs, are allowed in certain circumstances in LOOP for-as-arithmetic clauses. - ** multiple class redefinitions before slot access no longer + ** Multiple class redefinitions before slot access no longer causes a type error. ** (SETF FIND-CLASS) now accepts NIL as an argument to remove the association between the name and a class. - ** generic functions with non-standard method-combination and over - six methods all of which return constants no longer return NIL - after the first few invocations. (thanks to Gerd Moellmann) + ** Generic functions with non-standard method-combination and over + five methods all of which return constants no longer return NIL + after the first few invocations. (thanks to Gerd Moellmann) ** CALL-NEXT-METHOD with no arguments now passes the original values of the arguments, even in the presence of assignment. - ** functions [N]SUBST*, LAST, NRECONC, [N]SUBLIS may return any + ** Functions [N]SUBST*, LAST, NRECONC, [N]SUBLIS may return any object. ** DISASSEMBLE works with closures and funcallable instances. - ** ADD-METHOD now returns the generic function, not the new - method. + ** ADD-METHOD now returns the generic function, not the new method. ** FIND-METHOD signals an error if the lengths of the specializers is incompatible with the generic function, even if the ERRORP argument is true. @@ -1839,6 +1872,53 @@ changes in sbcl-0.8.1 relative to sbcl-0.8.0: ** DEFCLASS only redefines the class named by its class-name argument if that name is the proper name of the class; otherwise, it creates a new class. + ** SLOT-UNBOUND now correctly initalizes the CELL-ERROR-NAME slot + of the UNBOUND-SLOT condition to the name of the slot. + ** (SETF (AREF bv 0) ...) did not work for bit vectors. + ** SLOT-UNBOUND and SLOT-MISSING now have their return values + treated by SLOT-BOUNDP, SLOT-VALUE, (SETF SLOT-VALUE) and + SLOT-MAKUNBOUND in the specified fashion. + +changes in sbcl-0.8.2 relative to sbcl-0.8.1: + * fixed bug 148: failure to inline-expand a local function left + garbage, confusing the compiler. + * fixed bugs 3cd: structure slot readers perform type check if the + slot can have an invalid value (i.e. it is either not initialized + or can be written with a less specific slot writer). + * bug fix: the compiler now traps array references to elements off + the end of an array; previously, the bounds checking in some + circumstances could go off-by-one. + * improved MACHINE-VERSION, especially on Linux (thanks to Lars + Brinkhoff) + * type declarations for array element types now obey the description + on the CLHS page "Declaration TYPE", as per discussions on + sbcl-help around 2003-05-08. This means that a declaration + (TYPE (ARRAY FOO) BAR) means that, within the scope of the + declaration, all references to BAR will be asserted or assumed + (with THE, so dependent on compiler policy) to involve objects of + type FOO. Note that no such declaration is implied in + (MAKE-ARRAY .. :ELEMENT-TYPE 'FOO). + * declared types of functions from the "Conditions" + chapter. (reported by Paul Dietz) + * bug fix: CERROR accepts a function as its first argument. + * bug fix: NTH an NTHCDR accept a bignum as index + arguments. (reported by Adam Warner) + * optimization: character compare routines now optimize comparing + against a constant character. (reported by Gilbert Baumann) + * bug fix: (SETF AREF) on byte-sized-element arrays with constant index + argument now works properly on the MIPS platform. + * fixed compiler failure on (TYPEP x '(NOT (MEMBER 0d0))). + * repeated evaluation of the same DEFSTRUCT, a slot of which is + declared to have a functional type, does not cause an error + anymore. + * fixed bug: sometimes MAKE-INSTANCE did not work with classes with + many :DEFAULT-INITARGS. (reported by Istvan Marko) + * fixed bug: if last continuation of a deleted block has a + destination, this destination should be deleted too. (reported by + ohler on #lisp) + * fixed some bugs revealed by Paul Dietz' test suite: + ** LAST and [N]BUTLAST should accept a bignum. + ** condition slot accessors are methods. planned incompatible changes in 0.8.x: * (not done yet, but planned:) When the profiling interface settles