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update NEWS
* NEWS: Update for 2.0.1.
This commit is contained in:
Andy Wingo
parent
9d6a151fbd
commit
7c81eba25b
1 changed files with 152 additions and 302 deletions
454
NEWS
454
NEWS
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@ -7,343 +7,193 @@ Please send Guile bug reports to bug-guile@gnu.org.
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Changes in 2.0.1 (since 2.0.0):
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Changes in 2.0.1 (since 2.0.0):
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* Notable changes
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** guile.m4 supports linking with rpath
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* New modules (see the manual for details)
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** `(ice-9 binary-ports)', XXX
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* Memory leak fixes
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The GUILE_FLAGS macro now sets GUILE_LIBS and GUILE_LTLIBS, which
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include appropriate directives to the linker to include libguile-2.0.so
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in the runtime library lookup path.
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close-port leaking iconv_t
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** `begin' expands macros in its body before other expressions
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weak hash table pumping
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This enables support for programs like the following:
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* doc work
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(begin
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(define even?
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(lambda (x)
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(or (= x 0) (odd? (- x 1)))))
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(define-syntax odd?
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(syntax-rules ()
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((odd? x) (not (even? x)))))
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(even? 10))
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goops mop
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** REPL reader usability enhancements
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* guile.m4 supports linking with rpath
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The REPL now flushes input after a read error, which should prevent one
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error from causing other errors. The REPL also now interprets comments
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as whitespace.
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** REPL output has configurable width
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The REPL now defaults to output with the current terminal's width, in
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columns. See "Debug Commands" in the manual for more information on
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the ,width command.
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** Better C access to the module system
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Guile now has convenient C accessors to look up variables or values in
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modules and their public interfaces. See `scm_c_public_ref' and friends
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in "Accessing Modules from C" in the manual.
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** Added `scm_call_5', `scm_call_6'
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* guile.m4 (GUILE_FLAGS): Also set GUILE_LIBS and GUILE_LTLIBS. Fix
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See "Fly Evaluation" in the manual.
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documentation.
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* Add omitted exports from `(ice-9 vlist)'.
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** Added `scm_from_latin1_keyword', `scm_from_utf8_keyword'
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* module/ice-9/vlist.scm: Export `vhash-delq' and `vhash-delv'.
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See "Keyword Procedures" in the manual, for more. Note that
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`scm_from_locale_keyword' should not be used when the name is a C string
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constant.
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* re-enable the after-gc-hook
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** R6RS unicode and string I/O work
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Added efficient implementations of `get-string-n' and `get-string-n!'
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for binary ports. Exported `current-input-port', `current-output-port'
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and `current-error-port' from `(rnrs io ports)', and enhanced support
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for transcoders.
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** Added `pointer->scm', `scm->pointer' to `(system foreign)'
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* chi-top-sequence defines macros before expanding other exps
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These procedure are useful if one needs to pass and receive SCM values
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to and from foreign functions. See "Foreign Variables" in the manual,
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for more.
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(begin
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** Added `heap-allocated-since-gc' to `(gc-stats)'
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(define even?
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(lambda (x)
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(or (= x 0) (odd? (- x 1)))))
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(define-syntax odd?
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(syntax-rules ()
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((odd? x) (not (even? x)))))
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(even? 10))
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* flush all input on a read error
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Also fixed the long-standing bug in the REPL `,stat' command.
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* module/system/repl/repl.scm (flush-all-input): New helper.
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** Add `on-error' REPL option
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(prompting-meta-read): Flush all input on a read error, as we could be
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within some expression or a string or something.
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* repl.scm understands comments
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* module/system/repl/repl.scm (read-comment, read-scheme-line-comment)
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This option controls what happens when an error occurs at the REPL, and
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(read-scheme-datum-comment): New helpers.
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defaults to `debug', indicating that Guile should enter the debugger.
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(meta-reader): Take a language instead of a reader. If we have a
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Other values include `report', which will simply print a backtrace
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nonwhitespace char, first check to see that it's a comment, and if so,
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without entering the debugger. See "System Commands" in the manual.
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read it off and loop.
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(prompting-meta-read): Call meta-reader with the lang.
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* Add ,width meta-command to set screen width in debug output
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** Enforce immutability of string literals
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Attempting to mutate a string literal now causes a runtime error.
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terminal-width by default
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** Fix pthread redirection
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* man page updates
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Guile 2.0.0 shipped with headers that, if configured with pthread
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support, would re-define `pthread_create', `pthread_join', and other API
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to redirect to the BDW-GC wrappers, `GC_pthread_create', etc. This was
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unintended, and not necessary: because threads must enter Guile with
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scm_with_guile, Guile can handle thread registration itself, without
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needing to make the GC aware of all threads. This oversight has been
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fixed.
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Mark Harig
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** `with-continuation-barrier' now unwinds on `quit'
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* add ice-9 eval-string
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A throw to `quit' in a continuation barrier will cause Guile to exit.
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Before, it would do so before unwinding to the barrier, which would
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prevent cleanup handlers from running. This has been fixed so that it
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exits only after unwinding.
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Fly Evaluation in the manual
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** `string->pointer' and `pointer->string' have optional encoding arg
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* add scm_c_public_ref et al
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* libguile/modules.h:
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This allows users of the FFI to more easily deal in strings with
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* libguile/modules.c (scm_public_lookup, scm_private_lookup)
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particular (non-locale) encodings, like "utf-8". See "Void Pointers and
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(scm_c_public_lookup, scm_c_private_lookup, scm_public_ref)
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Byte Access" in the manual, for more.
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(scm_private_ref, scm_c_public_ref, scm_c_private_ref)
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(scm_public_variable, scm_private_variable, scm_c_public_variable)
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(scm_c_private_variable): New helpers to get at variables and values
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in modules.
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"Accessing Modules from C" in the manual
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** R6RS fixnum arithmetic optimizations
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* add scm_call_{5,6}
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* doc/ref/api-evaluation.texi (Fly Evaluation): Document
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R6RS fixnum operations are are still slower than generic arithmetic,
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scm_call_{5,6,n}.
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however.
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* Add scm_from_latin1_keyword and scm_from_utf8_keyword
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** New procedure: `define-inlinable'
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* doc/ref/api-data.texi: Document new functions. Remind users that
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See "Inlinable Procedures" in the manual, for more.
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scm_from_locale_keyword should not be used when the name is a C string
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constant. Change formal parameter from `str' to `name'.
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* srfi-9 define-record-type in nested contexts
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** New procedure: `exact-integer-sqrt'
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* Add `get-string-n' and `get-string-n!' for binary and R6RS ports
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See "Integer Operations" in the manual, for more.
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* rnrs io ports work
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Export `current-input-port', `current-output-port' and
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`current-error-port'.
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Enhance transcoder-related functionality of `(rnrs io ports)'
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** "Extended read syntax" for symbols parses better
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* module/rnrs/io/ports.scm (transcoder-eol-style)
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(transcoder-error-handling-mode): Export these.
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(textual-port?): Implement this procedure and export it.
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* module/rnrs.scm: Export these here as well.
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* module/rnrs/io/ports.scm (port-transcoder): Implement this procedure.
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(binary-port?): Treat only ports without an encoding as binary ports,
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add docstring.
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(standard-input-port, standard-output-port, standard-error-port):
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Ensure these are created without an encoding.
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(eol-style): Add `none' as enumeration member.
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(native-eol-style): Switch to `none' from `lf'.
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* test-suite/tests/r6rs-ports.test (7.2.7 Input ports)
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(8.2.10 Output ports): Test binary-ness of `standard-input-port',
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`standard-output-port' and `standard-error-port'.
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(8.2.6 Input and output ports): Add test for `port-transcoder'.
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doc: Remove "lack of support for Unicode I/O and strings".
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* doc/ref/api-io.texi (R6RS I/O Ports): Remove 1.8ish comment.
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* add pointer->scm, scm->pointer
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In #{foo}# symbols, backslashes are now treated as escapes, as the
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symbol-printing code intended. Additionally, "\x" within #{foo}# is now
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interpreted as starting an R6RS hex escape. This is backward compatible
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because the symbol printer would never produce a "\x" before. The
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printer also works better too.
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* Manual updates
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** GOOPS documentation updates
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** New man page
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Thanks to Mark Harig for improvements to guile.1.
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** SRFI-23 documented
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The humble `error' SRFI now has an entry in the manual.
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* New modules
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** `(ice-9 binary-ports)': XXX, in the manual
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** `(ice-9 eval-string)': "Fly Evaluation", in the manual
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* libguile/foreign.c (scm_pointer_to_scm, scm_scm_to_pointer): New
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functions, useful to pass and receive SCM values to and from foreign
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functions.
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* module/system/foreign.scm: Export the new functions.
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* doc/ref/api-foreign.texi (Foreign Variables): Add docs.
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* gc-stats update
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add heap-allocated-since-gc; fix ,stat.
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* allow ,option on-error report instead of debug
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"System Commands" in the manual.
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* Make VM string literals immutable.
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* don't redirect pthread_create et al
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* libguile/bdw-gc.h: Don't do pthread redirects, because we don't want
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to affect applications' pthread_* bindings.
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* libguile/pthread-threads.h (scm_i_pthread_create)
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(scm_i_pthread_detach, scm_i_pthread_exit, scm_i_pthread_cancel)
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(scm_i_pthread_sigmask): Do pthread redirects here, in this internal
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header.
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* Document SRFI-23
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* doc/ref/srfi-modules.texi: mention that we support SRFI 23
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* module/ice-9/boot-9.scm (%cond-expand-features): add srfi-23
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* with-continuation-barrier calls exit(3) _after_ unwinding
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* libguile/continuations.c (scm_handler, c_handler)
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(scm_c_with_continuation_barrier, scm_with_continuation_barrier):
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Instead of calling scm_handle_by_message_noexit in the pre-unwind
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handler, roll our own exception printing in the pre-unwind, and do to
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exit()-on-quit in the post-unwind handler. This lets the stack unwind
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at exit-time so that pending dynwinds run.
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* test-suite/tests/continuations.test ("continuations"): Add a test.
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* string->pointer and pointer->string have optional encoding arg
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"Void Pointers and Byte Access" in the manual.
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* Several optimizations for R6RS fixnum arithmetic
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* Move `define-inlinable' into the default namespace
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* module/ice-9/boot-9.scm (define-inlineable): Moved here from SRFI-9.
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* module/srfi/srfi-9 (define-inlinable): Removed here.
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* doc/ref/api-procedures.texi (Inlinable Procedures): Add subsection
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about `define-inlinable'.
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* Implement R6RS' `fixnum?' in a smarter way
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* module/rnrs/arithmetic/fixnums.scm (fixnum?): Implemented using
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bit-twiddling, and using `define-inlinable'.
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commit 882c89636a2a4afa26cff17c7cdbc1d8c1cb2745
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Author: Mark H Weaver <mhw@netris.org>
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Date: Wed Apr 6 15:09:42 2011 -0400
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Fix the R6RS exact-integer-sqrt and import into core guile
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* libguile/numbers.c (scm_exact_integer_sqrt): New C procedure to
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compute exact integer square root and remainder.
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(scm_i_exact_integer_sqrt): New Scheme procedure `exact-integer-sqrt'
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from the R6RS, imported into core guile.
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* libguile/numbers.h: Add prototypes.
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* module/rnrs/base.scm: Remove broken stub implementation, which would
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fail badly when applied to large integers.
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* doc/ref/api-data.texi: Add documentation.
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* doc/ref/r6rs.texi: Change documentation for `exact-integer-sqrt' to a
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stub that xrefs the core docs, as is done for other operations
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available in core.
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* test-suite/tests/numbers.test: Add tests.
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* NEWS: Add news entries.
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commit adf43b3f081878860ed1d4d5091b9a432b44da90
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Author: Andy Wingo <wingo@pobox.com>
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Date: Mon Apr 11 10:13:48 2011 +0200
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ignore SIGPIPE in (system repl server)
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* module/system/repl/server.scm (run-server): Ignore SIGPIPE when we run
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a server, as otherwise a rudely disconnected client could cause the
|
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server to quit. Thanks to John Proctor for the report, and Detlev
|
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Zundel for the debugging.
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commit 15671c6e7fd86160b415b5373b2c1539e23556f3
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|
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Author: Andy Wingo <wingo@pobox.com>
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Date: Mon Apr 11 11:52:35 2011 +0200
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refactor scm_i_print_symbol_name
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* libguile/print.c (symbol_has_extended_read_syntax)
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(print_normal_symbol, print_extended_symbol, scm_i_print_symbol_name):
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Factor scm_i_print_symbol_name into separate routines. Add comments.
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There are a number of bugs here.
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commit d9527cfafdad1046770437a7a59d3745e7243c67
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Author: Andy Wingo <wingo@pobox.com>
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Date: Mon Apr 11 12:48:06 2011 +0200
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read-extended-symbol handles backslash better, including r6rs hex escapes
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* libguile/read.c (scm_read_extended_symbol): Interpret '\' as an escape
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character. Due to some historical oddities we have to support '\'
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before any character, but since we never emitted '\' in front of
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"normal" characters like 'x' we can interpret "\x..;" to be an R6RS
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hex escape.
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* test-suite/tests/reader.test ("#{}#"): Add tests.
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commit 2e9fc9fc73a8157152e6b2e122ec545d96478c2a
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Author: Andy Wingo <wingo@pobox.com>
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Date: Mon Apr 11 13:38:27 2011 +0200
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symbols with odd characters print better in #{}#
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* libguile/print.c (symbol_has_extended_read_syntax): Use a more
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general, unicode-appropriate algorithm. Hopefully doesn't cause
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any current #{}# cases to be unescaped.
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(print_extended_symbol): Use more appropriate unicode algorithm, and
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emit unicode hex escapes instead of our own lame escapes.
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* test-suite/tests/symbols.test: Add tests.
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commit b9e22602bb9c7d82500e4e5612bf80e478e28b8c
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Author: Andy Wingo <wingo@pobox.com>
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Date: Mon Apr 11 13:49:29 2011 +0200
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regen psyntax-pp.scm
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* module/ice-9/psyntax-pp.scm: Regenerate, to take advantage of better
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#{}# serialization.
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commit 62ef23cbb828accf1f5b9622ff17775aa539d354
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Author: Andy Wingo <wingo@pobox.com>
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Date: Mon Apr 11 17:21:20 2011 +0200
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fix reader.test for --disable-deprecated
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* test-suite/tests/reader.test: Fix deprecated tests; begin-deprecated
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was splicing in expression context before, which is a no-no.
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commit cf9d4a82146556ff45d40d6eec8579082287900e
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Author: Ian Price <ianprice90@googlemail.com>
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Date: Wed Apr 6 01:53:38 2011 +0100
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Added optional second arg to R6RS log function
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* module/rnrs/base.scm (log): now takes a base argument, using the
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change of base formula for logs.
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* test-suite/tests/r6rs-base.test ("log (2nd arg)"): Add test cases.
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commit 15993bce1cd0a2e69f11a6ac1725fa7a219c5b7c
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||||||
Author: Ian Price <ianprice90@googlemail.com>
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||||||
Date: Wed Apr 6 13:51:44 2011 +0100
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fix assert to return true value.
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* module/rnrs/base.scm (assert): returns value instead of void.
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* test-suite/tests/r6rs-base.test ("assert"): add test cases.
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commit c89b45299329d034875429804f18768c1ea96713
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Author: Ian Price <ianprice90@googlemail.com>
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Date: Fri Apr 8 02:49:20 2011 +0100
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Fix fencepost error in bip_seek
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||||||
* libguile/r6rs-ports.c (bip_seek): Fix to allow seeking to end of port.
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|
||||||
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||||||
* test-suite/tests/r6rs-ports.test ("bytevector input port can seek to
|
|
||||||
very end"): Add tests.
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||||||
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|
||||||
commit dcb1e3b0f8c79d1373f334909fa5d653ec7674eb
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|
||||||
Author: Andy Wingo <wingo@pobox.com>
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|
||||||
Date: Wed Apr 13 12:03:50 2011 +0200
|
|
||||||
|
|
||||||
--disable-threads fix
|
|
||||||
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|
||||||
* libguile/threads.c (do_thread_exit_trampoline, on_thread_exit):
|
|
||||||
(scm_i_init_thread_for_guile): Only register and unregister threads
|
|
||||||
with bdw-gc when we are building with threads support. Thanks to
|
|
||||||
Marijn for the report.
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|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
* New procedures (see the manual for details)
|
|
||||||
|
|
||||||
** exact-integer-sqrt, imported into core from (rnrs base)
|
|
||||||
|
|
||||||
* Bugs fixed
|
* Bugs fixed
|
||||||
|
|
||||||
** exact-integer-sqrt now handles large integers correctly
|
** Fixed iconv_t memory leak on close-port
|
||||||
|
** Fixed some leaks with weak hash tables
|
||||||
|
** Export `vhash-delq' and `vhash-delv' from `(ice-9 vlist)'
|
||||||
|
** `after-gc-hook' works again
|
||||||
|
** `define-record-type' now allowed in nested contexts
|
||||||
|
** `exact-integer-sqrt' now handles large integers correctly
|
||||||
|
** Fixed C extension examples in manual
|
||||||
|
** `vhash-delete' honors HASH argument
|
||||||
|
** Make `locale-digit-grouping' more robust
|
||||||
|
** Default exception printer robustness fixes
|
||||||
|
** Fix presence of non-I CPPFLAGS in `guile-2.0.pc'
|
||||||
|
** `read' updates line/column numbers when reading SCSH block comments
|
||||||
|
** Fix imports of multiple custom interfaces of same module
|
||||||
|
** Fix encoding scanning for non-seekable ports
|
||||||
|
** Fix `setter' when called with a non-setter generic
|
||||||
|
** Fix f32 and f64 bytevectors to not accept rationals
|
||||||
|
** Fix description of the R6RS `finite?' in manual
|
||||||
|
** Quotient, remainder and modulo accept inexact integers again
|
||||||
|
** Fix `continue' within `while' to take zero arguments
|
||||||
|
** Fix alignment for structures in FFI
|
||||||
|
** Fix port-filename of stdin, stdout, stderr to match the docs
|
||||||
|
** Fix weak hash table-related bug in `define-wrapped-pointer-type'
|
||||||
|
** Fix partial continuation application with pending procedure calls
|
||||||
|
** scm_{to,from}_locale_string use current locale, not current ports
|
||||||
|
** Fix thread cleanup, by using a pthread_key destructor
|
||||||
|
** Fix `quit' at the REPL
|
||||||
|
** Fix a failure to sync regs in vm bytevector ops
|
||||||
|
** Fix (texinfo reflection) to handle nested structures like syntax patterns
|
||||||
|
** Fix stexi->html double translation
|
||||||
|
** Fix tree-il->scheme fix for <prompt>
|
||||||
|
** Fix compilation of <prompt> in <fix> in single-value context
|
||||||
|
** Fix race condition in ensure-writable-dir
|
||||||
|
** Fix error message on ,disassemble "non-procedure"
|
||||||
|
** Fix prompt and abort with the boot evaluator
|
||||||
|
** Fix `procedure->pointer' for functions returning `void'
|
||||||
|
** Fix error reporting in dynamic-pointer
|
||||||
|
** Fix problems detecting coding: in block comments
|
||||||
|
** Fix duplicate load-path and load-compiled-path in compilation environment
|
||||||
|
** Add fallback read(2) suppport for .go files if mmap(2) unavailable
|
||||||
|
** Fix c32vector-set!, c64vector-set!
|
||||||
|
** Fix mistakenly deprecated read syntax for uniform complex vectors
|
||||||
|
** Fix parsing of exact numbers with negative exponents
|
||||||
|
** Ignore SIGPIPE in (system repl server)
|
||||||
|
** Fix optional second arg to R6RS log function
|
||||||
|
** Fix R6RS `assert' to return true value.
|
||||||
|
** Fix fencepost error when seeking in bytevector input ports
|
||||||
|
|
||||||
exact-integer-sqrt now works correctly when applied to very large
|
|
||||||
integers (too large to be precisely represented by a C double).
|
|
||||||
It has also been imported into core from (rnrs base).
|
|
||||||
|
|
||||||
|
|
||||||
Changes in 2.0.0 (changes since the 1.8.x series):
|
Changes in 2.0.0 (changes since the 1.8.x series):
|
||||||
|
|
|
||||||
Loading…
Add table
Add a link
Reference in a new issue