| Commit message (Collapse) | Author | Age | Files | Lines |
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* arith.c, cadr.c, debug.c, eval.c, filter.c, gencadr.txr, glob.c,
hash.c, linenoise/linenoise.c, lisplib.c, match.c, parser.c, rand.c,
regex.c, signal.c, stream.c, struct.c, sysif.c, syslog.c, txr.c,
unwind.c, utf8.c: Remove unncessary header files.
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* LICENSE, METALICENSE, Makefile, args.c, args.h, arith.c,
arith.h, cadr.c, cadr.h, combi.c, combi.h, configure,
debug.c, debug.h, eval.c, eval.h, filter.c, filter.h, gc.c,
gc.h, glob.c, glob.h, hash.c, hash.h, jmp.S, lib.c, lib.h,
lisplib.c, lisplib.h, match.c, match.h, parser.c, parser.h,
parser.l, parser.y, rand.c, rand.h, regex.c, regex.h,
share/txr/stdlib/cadr.tl, share/txr/stdlib/except.tl,
share/txr/stdlib/hash.tl, share/txr/stdlib/ifa.tl,
share/txr/stdlib/path-test.tl, share/txr/stdlib/place.tl,
share/txr/stdlib/struct.tl, share/txr/stdlib/txr-case.tl,
share/txr/stdlib/type.tl, share/txr/stdlib/with-resources.tl,
share/txr/stdlib/with-stream.tl, share/txr/stdlib/yield.tl,
signal.c, signal.h, stream.c, stream.h, struct.c, struct.h,
sysif.c, sysif.h, syslog.c, syslog.h, txr.1, txr.c, txr.h,
unwind.c, unwind.h, utf8.c, utf8.h: Add 2016 copyright.
* linenoise/LICENSE, linenoise/linenoise.c,
linenoise/linenoise.h: Bump one principal author's copyright
from 2014 to 2015. The code is based on a snapshot of 2015
upstream work.
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TXR is moving to custom assembly-language routines.
This is mainly motivated by a very dubious thing done in the
GNU C Library setjmp and longjmp in the name of security.
Evidently, glibc's setjmp "mangles" certain pointer values
which are stored into the jmp_buf buffer. It's been that way
since 2005, evidently. This means that, firstly, all along,
the use of setjmp in gc.c to get registers into a buffer so
they can be scanned has not actually worked properly. More
importantly, this pointer mangling in setjmp and longjmp is
very hostile to a stack copying implementation of delimited
continuations. The reason is that continuations contain
jmp_buf buffers, which get relocated in the process of
capturing and reviving a continuation. Any pointers in a
jmp_buf which point into the captured stack segment have to be
fixed up to point into the relocated location. Mangled
pointers make this difficult, requiring hacks which are
specific to glibc and the machine architecture. We might as
well implement a clean, well-behaved setjmp and longjmp.
* Makefile (jmp.o): New object file.
(dbg/%.o, opt/%.o): New rules for .S prerequisites.
* args.c, arith.c, cadr.c, combi.c, cadr.c, combi.c, debug.c,
eval.c, filter.c, glob.c, hash.c, lib.c, match.c, parser.c,
rand.c, regex.c, signal.c, stream.c, struct.c, sysif.c,
syslog.c, txr.c, unwind.c, utf8.c: Removed <setjmp.h>
include.
* gc.c: Switch to struct jmp and jmp_save, instead
of jmp_buf and setjmp.
* jmp.S: New source file.
* signal.h (struct jmp): New struct type.
(jmp_save, jmp_restore): New function declarations
denoting assembly language routines in jmp.S.
(extended_jmp_buf): Uses struct jmp instead of
setjmp.
(extended_setjmp): Use jmp_save instead of setjmp.
(extended_longjmp): Use jmp_restore instead of
longjmp.
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* glob.c (glob_wrap): Fix signed/unsigned comparison.
* stream.c (make_null_stream): Fix convert beign used
where coerce is needed.
* sysif.c (dup_wrap): Fix use of C++ new keyword.
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* arith.c (arith-init): Changing *flo-...* from special to
lexical, and adding un-earmuffed variants. The earmuffed
versions are obsolescent.
Adding %pi% and %e% global lexicals. Earmuffed versions are
also made global lexical, and obsolescent.
* eval.c (lookup_global_var, lookup_global_var_l): New functions.
(lookup_var): Uses lookup_global_var.
(reg_varl): New function.
(reg_var): Uses reg_var.
(eval_init): Register global lexicals user-package, system-package
and keyword-package. Old symbols with earmuffs are obsoleted,
and also turned into global lexicals.
(top-vb, top-fb): Changed to lexical.
* eval.h (lookup_global_var, lookup_global_var_l, reg_varl):
Declared.
* genvim.txr: Scan ver.tl so that the lib-version variable
is included. Extract reg_varl calls.
* glob.c (glob_init): glob-err and other variables made lexical.
* lib.c (get_user_package, get_system_package, get_keyword_package):
Use lookup_global_var_l to avoid searching dynamic scope for
lexicals which cannot be dynamically rebound.
* share/txr/stdlib/ver.tl (lib-version): New global lexical variable.
(*lib-version*): Turned lexical. Obsolescent.
* signal.c (sig-init): sig-* variables turned lexical.
* sysif.c (sysif-init): s-*, poll-* and w-* variables turned lexical.
* syslog.c (syslog-init): log-* variables turned lexical.
* txr.c (sysroot-init): stdlib and *txr-version* variables turned
lexical. txr-version variable added, and *txr-version* is
obsolescent.
(txr-main): self-path variable added. *self-path* turns lexical
and is obsolescent.
* txr.1: Documentation updated. Lexical variables not referred
to as special. Special variables referred to as special.
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(glob_wrap, glob_init): New functions.
(errfunc_thunk): New static function.
* glob.h: New file.
* txr.c (main): call glob_init if HAVE_GLOB is defined.
* configure (have_glob): New variable.
(gen_config_make): Add have_glob to config/config.make.
Detect glob function and set have_glob, and add
HAVE_GLOB to config/config.h.
* Makefile (OBJS): Include glob.h if have_glob is "y".
* genvim.txr: Scan glob.c for functions and variables also.
* txr.1: Documented glob and glob-related variables.
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