342 lines
15 KiB
Plaintext
342 lines
15 KiB
Plaintext
Change Log
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----------
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Version 1.42
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Other changes:
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- Fixed segfault crash caused by invalid syntax to cond (PG)
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- Fixed a bug in the close-port routine in init.scm
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- Fixed possible crash loading file due to uninitialized variable (MP)
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- Don't use snprintf() in atom2str to return some fixed strings (KC/MP)
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- Added "tinyscheme" to the features list (JaW)
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- Added Sconstruct to allow building using scons (AG)
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- Fixed function prototype for scheme_init_new (JuW)
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- Make various limits configurable (JuW)
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Contributors:
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Kevin Cozens, Mauro Persano, Pedro Gimeno, James Woodcock, Atanu Ghosh,
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and Justus Winter.
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Version 1.41
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Bugs fixed:
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#3020389 - Added makefile section for Mac OS X (SL)
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#3286135 - Fixed num_mod routine which caused errors in use of modulo
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#3290232 - Corrected version number shown on startup (GM)
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#3394882 - Added missing #if in opdefines.h around get and put (DC)
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#3395547 - Fix for the modulo procedure (DC)
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#3400290 - Optimized append to make it an O(n) operation (DC)
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#3493926 - Corrected flag used when building shared files on OSX (J)
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R5RS related changes:
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#2866196 - Parser does not handle delimiters correctly
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#3395548 - Add a decimal point to inexact numbers in atom2str (DC)
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#3399331 - Make min/max return inexact when any argument is inexact
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#3399332 - Compatibility fix for expt.
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#3399335 - Optional radix for string->number and number->string (DC)
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#3400202 - Append with one argument should not return a list (DC)
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#3400284 - Compatibility fix for integer?
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Other changes:
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- Added flags to makefile for MinGW/MSYS (TC)
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- Moved variable declarations to avoid warnings with some compilers
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- Don't print space after initial #( when printing vectors.
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- Minor optimization for is_nonneg().
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- No need to round integers in OP_ROUND (#3400284)
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- Fixes to code that reports line number with error (RC)
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Contributors:
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Kevin Cozens, Gordon McNutt, Doug Currie, Sean Long, Tim Cas, Joey,
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Richard Copley, and CMarinier.
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Version 1.40
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Bugs fixed:
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#1964950 - Stop core dumps due to bad syntax in LET (and variants)
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#2826594 - allow reverse to work on empty list (Tony Garnock-Jones)
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Potential problem of arglist to foreign calls being wrongly GC'ed.
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Fixed bug that read could loop forever (tehom).
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API changes:
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Exposed is_list and list_length.
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Added scheme_register_foreign_func_list and declarations for it (tehom)
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Defined *compile-hook* (tehom)
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Other changes:
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Updated is_list and list_length to handle circular lists.
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Nested calling thru C has been made now safer (tehom)
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Peter Michaux cleaned up port_rep_from_file
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Added unwind-protect (tehom)
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Some cleanups to in/outport and Eval_Cycle by Peter Michaux
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Report error line number (Mostly by Sanel Zukan, back-compatibility by Tehom)
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Contributors:
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Kevin Cozens, Dimitrios Souflis, Tom Breton, Peter Michaux, Sanel Zukan,
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and Tony Garnock-Jones.
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Version 1.39
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Bugs fixed:
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Fix for the load bug
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Fixed parsing of octal coded characters. Fixes bug #1818018.
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Added tests for when mk_vector is out of memory. Can't rely on sc->sink.
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Fix for bug #1794369
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Finished feature-request 1599947: scheme_apply0 etc return values.
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Partly provided feature-request 1599947: Expose list_length, eqv, etc
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Provided feature-request 1599945, Scheme->C->Scheme calling.
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Fix for bug 1593861 (behavior of is_integer)
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Fix for bug 1589711
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Error checking of binding spec syntax in LET and LETREC. The bad syntax
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was causing a segmentation fault in Linux. Complete fixes for bug #1817986.
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Error checking of binding spec syntax in LET*
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Bad syntax was causing core dump in Linux.
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Fix for nasty gc bug
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R5RS changes:
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R5RS requires numbers to be of equal value AND of the same type (ie. both
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exact or inexact) in order to return #t from eqv?. R5RS compliance fix.
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String output ports now conform to SRFI-6
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Other changes:
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Drew Yao fixed buffer overflow problems in mk_sharp_const.
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put OP_T0LVL in charge of reacting to EOF
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file_push checks array bounds (patch from Ray Lehtiniemi)
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Changed to always use snprintf (Patch due to Ramiro bsd1628)
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Updated usage information using text from the Manual.txt file.
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Version 1.38
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Interim release until the rewrite, mostly incorporating modifications
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from Kevin Cozens. Small addition for Cygwin in the makefile, and
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modifications by Andrew Guenther for Apple platforms.
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Version 1.37
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Joe Buehler submitted reserve_cells.
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Version 1.36
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Joe Buehler fixed a patch in the allocator.
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Alexander Shendi moved the comment handling in the scanner, which
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fixed an obscure bug for which Mike E had provided a patch as well.
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Kevin Cozens has submitted some fixes and modifications which have
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not been incorporated yet in their entirety.
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Version 1.35
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Todd Showalter discovered that the number of free cells reported
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after GC was incorrect, which could also cause unnecessary allocations.
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Version 1.34
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Long missing version. Lots of bugfixes have accumulated in my email, so
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I had to start using them. In this version, Keenan Pepper has submitted
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a bugfix for the string comparison library procedure, Wouter Boeke
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modified some code that was casting to the wrong type and crashed on
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some machines, "SheppardCo" submitted a replacement "modulo" code and
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Scott Fenton submitted lots of corrections that shut up some compiler
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warnings. Brian Maher submitted instructions on how to build on OS-X.
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I have to dig deeper into my mailbox and find earlier emails, too.
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Version 1.33
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Charles Hayden fixed a nasty GC bug of the new stack frame, while in
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the process of porting TinyScheme to C++. He also submitted other
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changes, and other people also had comments or requests, but the GC
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bug was so important that this version is put through the door to
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correct it.
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Version 1.32
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Stephen Gildea put some quality time on TinyScheme again, and made
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a whole lot of changes to the interpreter that made it noticeably
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faster.
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Version 1.31
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Patches to the hastily-done version 1.30. Stephen Gildea fixed
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some things done wrongly, and Richard Russo fixed the makefile
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for building on Windows. Property lists (heritage from MiniScheme)
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are now optional and have disappeared from the interface. They
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should be considered as deprecated.
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Version 1.30
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After many months, I followed Preston Bannister's advice of
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using macros and a single source text to keep the enums and the
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dispatch table in sync, and I used his contributed "opdefines.h".
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Timothy Downs contributed a helpful function, "scheme_call".
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Stephen Gildea contributed new versions of the makefile and
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practically all other sources. He created a built-in STRING-APPEND,
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and fixed a lot of other bugs.
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Ruhi Bloodworth reported fixes necessary for OS X and a small
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bug in dynload.c.
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Version 1.29
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The previous version contained a lot of corrections, but there
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were a lot more that still wait on a sheet of paper lost in a
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carton someplace after my house move... Manuel Heras-Gilsanz
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noticed this and resent his own contribution, which relies on
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another bugfix that v.1.28 was missing: a problem with string
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output, that this version fixes. I hope other people will take
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the time to resend their contributions, if they didn't make it
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to v.1.28.
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Version 1.28
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Many people have contacted me with bugfixes or remarks in
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the three months I was inactive. A lot of them spotted that
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scheme_deinit crashed while reporting gc results. They suggested
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that sc->outport be set to NIL in scheme_deinit, which I did.
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Dennis Taylor remarked that OP_VALUEPRINT reset sc->value instead
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of preserving it. He submitted a modification which I adopted
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partially. David Hovemeyer sent me many little changes, that you
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will find in version 1.28, and Patrice Stoessel modified the
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float reader to conform to R5RS.
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Version 1.27
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Version 1.27 is the successor of 1.25. Bug fixes only, but I had to
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release them so that everybody can profit. 'Backchar' tried to write
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back to the string, which obviously didn't work for const strings.
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'Substring' didn't check for crossed start and end indices. Defines
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changed to restore the ability to compile under MSVC.
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Version 1.26
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Version 1.26 was never released. I changed a lot of things, in fact
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too much, even the garbage collector, and hell broke loose. I'll
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try a more gradual approach next time.
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Version 1.25
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Types have been homogenized to be able to accommodate a different
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representation. Plus, promises are no longer closures. Unfortunately,
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I discovered that continuations and force/delay do not pass the SCM
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test (and never did)... However, on the bright side, what little
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modifications I did had a large impact on the footprint:
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USE_NO_FEATURES now produces an object file of 63960 bytes on Linux!
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Version 1.24
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SCM tests now pass again after change in atom2str.
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Version 1.23
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Finally I managed to mess it up with my version control. Version
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1.22 actually lacked some of the things I have been fixing in the
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meantime. This should be considered as a complete replacement for
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1.22.
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Version 1.22
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The new ports had a bug in LOAD. MK_CLOSURE is introduced.
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Shawn Wagner inquired about string->number and number->string.
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I added string->atom and atom->string and defined the number
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functions from them. Doing that, I fixed WRITE applied to symbols
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(it didn't quote them). Unfortunately, minimum build is now
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slightly larger than 64k... I postpone action because Jason's idea
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might solve it elegantly.
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Version 1.21
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Jason Felice submitted a radically different datatype representation
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which he had implemented. While discussing its pros and cons, it
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became apparent that the current implementation of ports suffered
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from a grave fault: ports were not garbage-collected. I changed the
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ports to be heap-allocated, which enabled the use of string ports
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for loading. Jason also fixed errors in the garbage collection of
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vectors. USE_VERBATIM is gone. "ssp_compiler.c" has a better solution
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on HTML generation. A bug involving backslash notation in strings
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has been fixed. '-c' flag now executes next argument as a stream of
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Scheme commands. Foreign functions are now also heap allocated,
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and scheme_define is used to define everything.
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Version 1.20
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Tracing has been added. The toplevel loop has been slightly
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rearranged. Backquote reading for vector templates has been
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sanitized. Symbol interning is now correct. Arithmetic functions
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have been corrected. APPLY, MAP, FOR-EACH, numeric comparison
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functions fixed. String reader/writer understands \xAA notation.
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Version 1.19
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Carriage Return now delimits identifiers. DOS-formatted Scheme files
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can be used by Unix. Random number generator added to library.
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Fixed some glitches of the new type-checking scheme. Fixed erroneous
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(append '() 'a) behavior. Will continue with r4rstest.scm to
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fix errors.
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Version 1.18
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The FFI has been extended. USE_VERBOSE_GC has gone. Anyone wanting
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the same functionality can put (gcverbose #t) in init.scm.
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print-width was removed, along with three corresponding op-codes.
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Extended character constants with ASCII names were added.
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mk_counted_string paves the way for full support of binary strings.
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As much as possible of the type-checking chores were delegated
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to the inner loop, thus reducing the code size to less than 4200 loc!
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Version 1.17
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Dynamically-loaded extensions are more fully integrated.
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TinyScheme is now distributed under the BSD open-source license.
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Version 1.16
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Dynamically-loaded extensions introduced (USE_DL).
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Santeri Paavolainen found a race condition: When a cons is executed,
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and each of the two arguments is a constructing function, GC could
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happen before all arguments are evaluated and cons() is called, and
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the evaluated arguments would all be reclaimed!
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Fortunately, such a case was rare in the code, although it is
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a pitfall in new code and code in foreign functions. Currently, only
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one such case remains, when COLON_HOOK is defined.
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Version 1.15
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David Gould also contributed some changes that speed up operation.
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Kirk Zurell fixed HASPROP.
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The Garbage Collection didn't collect all the garbage...fixed.
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Version 1.14
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Unfortunately, after Andre fixed the GC it became obvious that the
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algorithm was too slow... Fortunately, David Gould found a way to
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speed it up.
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Version 1.13
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Silly bug involving division by zero resolved by Roland Kaufman.
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Macintoch support from Shmulik Regev.
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Float parser bug fixed by Alexander Shendi.
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GC bug from Andru Luvisi.
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Version 1.12
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Cis* incorrectly called isalpha() instead of isascii()
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Added USE_CHAR_CLASSIFIERS, USE_STRING_PORTS.
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Version 1.11
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BSDI defines isnumber... changed all similar functions to is_*
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EXPT now has correct definition. Added FLOOR,CEILING,TRUNCATE
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and ROUND, courtesy of Bengt Kleberg. Preprocessor symbols now
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have values 1 or 0, and can be set as compiler defines (proposed
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by Andy Ganor *months* ago). 'prompt' and 'InitFile' can now be
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defined during compilation, too.
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Version 1.10
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Another bug when file ends with comment!
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Added DEFINE-MACRO in init.scm, courtesy of Andy Gaynor.
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Version 1.09
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Removed bug when READ met EOF. lcm.
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Version 1.08
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quotient,remainder and modulo. gcd.
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Version 1.07
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'=>' in cond now exists
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list? now checks for circularity
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some reader bugs removed
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Reader is more consistent wrt vectors
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Quote and Quasiquote work with vectors
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Version 1.06
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#! is now skipped
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generic-assoc bug removed
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strings are now managed differently, hack.txt is removed
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various delicate points fixed
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Version 1.05
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Support for scripts, *args*, "-1" option.
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Various R5RS procedures.
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*sharp-hook*
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Handles unmatched parentheses.
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New architecture for procedures.
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Version 1.04
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Added missing T_ATOM bits...
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Added vectors
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Free-list is sorted by address, since vectors need consecutive cells.
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(quit <exitcode>) for use with scripts
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Version 1.03 (26 Aug 1998):
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Extended .h with useful functions for FFI
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Library: with-input-* etc.
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Finished R5RS I/O, added string ports.
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Version 1.02 (25 Aug 1998):
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First part of R5RS I/O.
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