* libguile/hashtab.c (scm_fixup_weak_alist): Keep the value of PREV
unchanged after a nullified pair is deleted; this fixes a bug whereby
if several successive nullified pairs were encountered, not all of them
would be removed, and the assertion in `weak_bucket_assoc' would be
hit. In addition, remove the `scm_is_pair (pair)' test.
* libguile/script.c (scm_shell_usage, scm_compile_shell_switches): Add a
--listen argument to spawn a REPL server, possibly specifying the port
or path to listen on. The goal is for this to be the default way to
allow debugging via Emacs or simply using netcat.
* libguile/ports.c (scm_char_ready_p, scm_peek_char, scm_unread_char)
(scm_unread_string): Always validate the port, even in the case that
we get it the default current-input-port. Otherwise the following
causes a segfault:
(begin (close-port (current-input-port)) (peek-char))
* libguile/error.c (scm_syserror, scm_syserror_msg): Run pending pending
asyncs before throwing the error, as one of the asyncs might be a
signal handler. But there is unfortunately a race here, as noted in a
comment.
* libguile/r6rs-ports.c (scm_register_r6rs_ports): New function.
* libguile/r6rs-ports.h (scm_register_r6rs_ports): New declaration.
* libguile/init.c (scm_i_init_guile): Call it.
* libguile/programs.h:
* libguile/programs.c (scm_program_source): Add an optional arg, the
sources table to traverse. Defaults to the result of
scm_program_sources.
* module/system/vm/program.scm (program-sources-pre-retire): Move
definition here from (system vm traps), and export.
* module/system/vm/traps.scm: Adapt.
* module/system/vm/frame.scm (frame-next-source): New exported binding,
returns the source line corresponding to the next instruction instead
of the previous instruction.
* libguile/vm-i-scheme.c (symbol?, vector?): New
instructions. Renumbered the rest.
* libguile/vm-i-system.c: Renumber instructions.
* libguile/_scm.h (SCM_OBJCODE_MINOR_VERSION): Bump.
* module/ice-9/psyntax.scm (binding-type, binding-value): Define using
macros so that we inline to car and cdr opcodes. Oh, for an inliner :)
* module/language/tree-il/compile-glil.scm (*primcall-ops*)
* module/language/tree-il/primitives.scm
(*interesting-primitive-names*, *effect-free-primitives*)
(*effect+exception-free-primitives*): Add symbol? and vector?
inlines.
* libguile/stackchk.h: Include private-options.h if we are building
guile.
* libguile/vm.c (scm_c_vm_run): Check for C stack overflow before
entering the engine.
* libguile/eval.c:
* libguile/debug.c (scm_debug_opts): Move here, from eval.c. Change
SCM_BACKTRACE_P to 1, initially.
* libguile/private-options.h: Make all options vars private.
* libguile/private-options.h (SCM_ELISP_VECTORS_P, SCM_ESCAPED_PARENS_P):
* libguile/read.c (scm_read_opts): Remove unused elisp-vectors option,
and the elisp-strings option (which allowed \( and \) escapes in
strings).
(scm_read_string): Remove the elisp-strings case.
* doc/ref/api-options.texi (Reader options): Update, and update wording
of the case-insensitive bit.
* libguile/frames.h:
* libguile/frames.c (scm_frame_stack_pointer): New function.
* module/system/repl/debug.scm (print-registers): New function, prints
out registers.
* module/system/repl/command.scm (registers): New debugging
meta-command.
(inspect): Not a stack-command, a normal meta-command.
* libguile/script.c (scm_compile_shell_switches): Select the debugging
VM in the cases that we previously would select deval -- when running
interactively without --no-debug, or otherwise with --debug.
* libguile/vm.c: Default to the regular engine.
(scm_c_set_vm_engine_x): Remove requirement for the VM to have no
pending computations.
* libguile/vm.h (scm_c_vm_run): Make internal.
* libguile/vm.c (vm_default_engine): New static global variable.
(make_vm): Set vp->engine based on
(scm_vm_apply): Remove in favor of call-with-vm.
(scm_thread_vm, scm_set_thread_vm_x): Remove these, as they did not
have a well-defined meaning, and were dangerous to call on other
threads.
(scm_the_vm): Reinstate previous definition.
(symbol_to_vm_engine, vm_engine_to_symbol)
(vm_has_pending_computation): New helpers.
(scm_vm_engine, scm_set_vm_engine_x, scm_c_set_vm_engine_x): New
accessors for VM engines.
(scm_c_set_default_vm_engine_x, scm_set_default_vm_engine_x): New
setters for the default VM engine.
(scm_call_with_vm): New function, applies a procedure to arguments in
a context in which a given VM is current.
* libguile/eval.c (eval, scm_apply): VM dispatch goes through
scm_call_with_vm.
* test-suite/tests/control.test ("the-vm"):
* module/system/vm/coverage.scm (with-code-coverage): Use call-with-vm.
* module/system/vm/vm.scm: Update exports.
* test-suite/vm/run-vm-tests.scm (run-vm-program):
* test-suite/tests/compiler.test ("current-reader"): Just rely on the
result of make-program being an applicable.
* test-suite/tests/eval.test ("stack overflow"): Add a note that this
test does not test what it should.
The `mpz_t' associated with a bignum would never be freed, so an
expression like `(while #t (expt 2 5000))' would quickly lead to memory
exhaustion.
* libguile/numbers.c (finalize_bignum): New function.
(make_bignum): Register it as a finalizer for P.
* libguile/numbers.c (make_bignum): New function.
(scm_i_mkbig, scm_i_long2big, scm_i_ulong2big, scm_i_clonebig,
scm_i_dbl2big, scm_i_mpz2num): Use it.
* libguile/_scm.h (scm_aligned_cell, scm_t_aligned_cell): Remove. The
whole approach was misguided as the compiler can't guarantee absolute
alignment on the stack.
* libguile/vm.c (vm_dispatch_hook): Take care of FRAME's alignment
explicitly so that it's correct even if the current stack frame isn't
8-byte aligned (as can be the case on i686--the SysV i386 ABI just
says that the stack is word-aligned.)
The characters U+0007 to U+000D have non-hex forms for their
escapes when in written strings.
* libguile/print.c (write_character): use non-hex escapes
* test-suite/tests/reader.test (write R6RS string escapes): adjust test
* libguile/eval.c: Mark "breakpoints", "trace", and "procnames" debug
options as obsolete. There is lots of work left to do here, though.
* libguile/srcprop.h (scm_sym_breakpoint)
(scm_c_source_property_breakpoint_p, SRCBRKP): Remove these
definitions, without replacements.
* libguile/srcprop.c: Remove all code that has to do with breakpoints.
Reported by Göran Weinholt <goran@weinholt.se>.
* libguile/r6rs-ports.c (scm_lookahead_u8): Return an unsigned byte.
* test-suite/tests/r6rs-ports.test ("7.2.8 Binary Input")["lookahead-u8:
result is unsigned"]: New test.
* libguile/hashtab.c (scm_hash_fn_set_x): Register a disappearing link
to VAL when TABLE is weak-value.
* test-suite/tests/weaks.test ("weak-hash")["weak-key dies", "weak-value
dies", "doubly-weak dies"]: Use `hash-set!' and `hash-ref', not
`hashq-set!' and `hashq-ref', otherwise these tests would always
succeed because (eq? "this" "this") => #f.
["lives"]: Use `hash-ref' and `hash-set!' too for consistency.
* libguile/vm-i-system.c (call_cc, tail_call_cc): Call the new
RESTORE_CONTINUATION_HOOK when a continuation is restored.
(prompt): Call the new ABORT_CONTINUATION_HOOK when entering the abort
handler's continuation.
* libguile/vm-engine.h (ABORT_CONTINUATION_HOOK)
(RESTORE_CONTINUATION_HOOK):
* libguile/vm.h (SCM_VM_ABORT_CONTINUATION_HOOK)
(SCM_VM_RESTORE_CONTINUATION_HOOK):
* libguile/vm.c: (scm_vm_abort_continuation_hook): New hook, called when
entering an abort handler.
(scm_vm_restore_continuation_hook): New hook, called after returning
to a continuation.
* module/system/vm/vm.scm: Add hooks to export list.
* libguile/vm.h (SCM_VM_PUSH_CONTINUATION_HOOK)
(SCM_VM_POP_CONTINUATION_HOOK): New hooks, to replace
enter/exit/return.
(SCM_VM_BOOT_HOOK, SCM_VM_HALT_HOOK, SCM_VM_BREAK_HOOK): Remove these
useless hooks.
* libguile/vm.c (scm_vm_push_continuation_hook)
(scm_vm_pop_continuation_hook): New accessors.
* libguile/vm-i-system.c: Remove boot, halt, break, enter, exit, and
return hooks. Also remove the break instruction. Instead now when we
push a new continuation onto the stack we call PUSH_CONTINUATION_HOOK,
and when we pop via a return we call POP_CONTINUATION_HOOK. APPLY_HOOK
is now decoupled from continuation pushes and pops.
* libguile/vm-engine.h:
* libguile/vm-engine.c: Adapt for hooks.
* module/system/vm/trace.scm (vm-trace): Adapt for hooks. Also revive
the #:instructions? #t mode.
* module/system/vm/vm.scm: Adapt exports for new set of hooks.
Reported by Mike Gran <spk121@yahoo.com>.
* libguile/strings.c (scm_i_unistring_escapes_to_guile_escapes,
scm_i_unistring_escapes_to_r6rs_escapes): Augment comments.
(scm_to_stringn): When `handler ==
SCM_FAILED_CONVERSION_ESCAPE_SEQUENCE && SCM_R6RS_ESCAPES_P', realloc
BUF so that it's large enough for the worst case.
* libguile/print.c (display_character): When `result != NULL && strategy
== SCM_FAILED_CONVERSION_ESCAPE_SEQUENCE && SCM_R6RS_ESCAPES_P', make
LOCALE_ENCODED large enough to hold an R6RS escape.
This makes `peek-char' 40x faster on a port whose encoding is
faster on a UTF-8 port containing multi-byte codepoints.
The `xml->sxml' procedure is 4x faster on a 2.7 MiB XML file.
* libguile/ports.c (get_codepoint): New procedure, moved here from
`scm_getc', with the additional BUF and LEN parameters.
(scm_getc): Use it.
(scm_peek_char): Use it instead of the `scm_getc'/`scm_ungetc'
sequence.
* test-suite/tests/ports.test ("string ports")["peek-char [latin-1]",
"peek-char [utf-8]"]: New tests.
* benchmark-suite/Makefile.am (SCM_BENCHMARKS): Add
`benchmarks/ports.bm'.
* benchmark-suite/benchmarks/ports.bm: New file.
This had been removed by commit 07f49ac786
("Factorize and optimize `write' for strings and characters.").
Thanks Mike!
* libguile/print.c (write_combining_character): New procedure.
(write_character): Use it.
* test-suite/tests/chars.test ("basic char handling")["combining accent
is pretty-printed", "combining X is pretty-printed"]: New tests.
* test-suite/tests/encoding-iso88591.test ("characters")["write A
followed by combining accent"]: New test.
* test-suite/tests/encoding-utf8.test ("characters")["write A followed
by combining accent"]: New test.
According to `write.bm', this makes `write' 2.6 times faster for strings.
* libguile/print.c (iprin1): Use `write_character' when
`SCM_WRITINGP (pstate)' and `SCM_CHARP (exp)' or `scm_is_string (exp)'.
(scm_i_charprint): Remove.
(display_character, write_character): New functions.
(scm_write_char): Use `display_character' instead of
`scm_i_charprint'.
* libguile/print.h (scm_i_charprint): Remove declaration.
* benchmark-suite/benchmarks/write.bm: New file.
* benchmark-suite/Makefile.am (SCM_BENCHMARKS): Add
`benchmarks/write.bm'.
* libguile/srfi-1.c:
* libguile/srfi-1.h:
* libguile/srfi-60.c:
* libguile/srfi-60.h:
* libguile/ChangeLog-srfi: Move here, from the srfi/ dir. The C API is
internal. Add API to register the extensions, called by init.c.
* libguile/init.c: Verily, register srfi extensions.
* libguile/Makefile.am: Add srfi files.
* module/srfi/srfi-1.scm:
* module/srfi/srfi-60.scm: Update load-extension invocation.
* Makefile.am:
* configure.ac: Remove srfi/ dir.
* test-suite/standalone/Makefile.am:
* test-suite/standalone/test-srfi-1.c: Remove srfi-1 C test, we don't
support this API any more.
