* src/reader.c (reader_read_string): Support \xNN. Fixes Guix
bootstrap chain; i.e., compilation of gcc-2.95.3 using tcc-boot.
* tests/base.test ("reader: \\x08"): Test it.
* scaffold/tests/17-compare-char.c: Likewise, for mescc.
* build-aux/check-mescc.sh (tests): Run it.
Throughout, make these changes
Copyright headers: GNU Mes
First mention of name: GNU Mes
Website: https://www.gnu.org/software/mes
Git: git://git.savannah.gnu.org/mes.git
* check-boot.sh: New file.
* check.sh: Invoke it.
* module/srfi/srfi-16.mes: New file.
* scaffold/boot/00-zero.scm: New file.
* scaffold/boot/01-true.scm: New file.
* scaffold/boot/02-symbol.scm: New file.
* scaffold/boot/03-string.scm: New file.
* scaffold/boot/04-cons.scm: New file.
* scaffold/boot/04-quote.scm: New file.
* scaffold/boot/05-list.scm: New file.
* scaffold/boot/06-tick.scm: New file.
* scaffold/boot/07-if.scm: New file.
* scaffold/boot/08-if-if.scm: New file.
* scaffold/boot/10-cons.scm: New file.
* scaffold/boot/11-list.scm: New file.
* scaffold/boot/12-car.scm: New file.
* scaffold/boot/13-cdr.scm: New file.
* scaffold/boot/14-exit.scm: New file.
* scaffold/boot/15-display.scm: New file.
* scaffold/boot/16-if-eq-quote.scm: New file.
* scaffold/boot/20-define-quote.scm: New file.
* scaffold/boot/20-define-quoted.scm: New file.
* scaffold/boot/20-define.scm: New file.
* scaffold/boot/21-define-procedure.scm: New file.
* scaffold/boot/22-define-procedure-2.scm: New file.
* scaffold/boot/23-begin.scm: New file.
* scaffold/boot/24-begin-define.scm: New file.
* scaffold/boot/25-begin-define-2.scm: New file.
* scaffold/boot/26-begin-define-later.scm: New file.
* scaffold/boot/26-define-define.scm: New file.
* scaffold/boot/27-lambda-define.scm: New file.
* scaffold/boot/28-define-define.scm: New file.
* scaffold/boot/29-lambda-define.scm: New file.
* scaffold/boot/2a-lambda-lambda.scm: New file.
* scaffold/boot/2b-define-lambda.scm: New file.
* scaffold/boot/2c-define-lambda-recurse.scm: New file.
* scaffold/boot/2d-define-lambda-set.scm: New file.
* scaffold/boot/2e-define-second.scm: New file.
* scaffold/boot/30-capture.scm: New file.
* scaffold/boot/31-capture-define.scm: New file.
* scaffold/boot/32-capture-modify-close.scm: New file.
* scaffold/boot/33-procedure-override-close.scm: New file.
* scaffold/boot/34-cdr-override-close.scm: New file.
* scaffold/boot/35-closure-modify.scm: New file.
* scaffold/boot/36-closure-override.scm: New file.
* scaffold/boot/37-closure-lambda.scm: New file.
* scaffold/boot/38-simple-format.scm: New file.
* scaffold/boot/40-define-macro.scm: New file.
* scaffold/boot/41-when.scm: New file.
* scaffold/boot/42-if-when.scm: New file.
* scaffold/boot/43-or.scm: New file.
* scaffold/boot/44-or-if.scm: New file.
* scaffold/boot/45-pass-if.scm: New file.
* scaffold/boot/46-report.scm: New file.
* scaffold/boot/47-pass-if-eq.scm: New file.
* scaffold/boot/48-let.scm: New file.
* scaffold/boot/49-macro-override.scm: New file.
* scaffold/boot/4a-define-macro-define-macro.scm: New file.
* scaffold/boot/4b-define-macro-define.scm: New file.
* scaffold/boot/4c-quasiquote.scm: New file.
* scaffold/boot/50-primitive-load.scm: New file.
* scaffold/boot/51-module.scm: New file.
* scaffold/boot/52-define-module.scm: New file.
* scaffold/boot/53-closure-display.scm: New file.
* scaffold/boot/60-let-syntax.scm: New file.
* scaffold/boot/closure.scm: New file.
* scaffold/boot/compose.scm: New file.
* scaffold/boot/data/bar.mes: New file.
* scaffold/boot/data/i.scm: New file.
* scaffold/boot/data/module.mes: New file.
* scaffold/boot/foo.scm: New file.
* scaffold/boot/lambda-star.scm: New file.
* scaffold/boot/vector.scm: New file.
* tests/boot.test: New file.
* tests/boot.test-guile: New file.
* tests/srfi-16.test: New file.
* tests/srfi-16.test-guile: New file.
* module/mes/base-0.mes (cond): Evaluate test of COND only once.
Fixes cond tests with side effects (Nyacc).
* tests/base.test ("cond side effect"): Test it.
* module/mes/display.mes (display):
* module/mes/type-0.mes (char?): -1 is not a character.
(eof-object?): New function.
* tests/base.test ("#<eof>"): Test it.
* module/mes/scm.mes (eof-object?): Remove.
(unread-char): Return character (WAS: integer).
* mes.c (type_t): Add CONTINUATION.
(scm_t): Add continuation;
(scm_call_with_current_continuation): New symbol.
(scm_symbol_call_with_current_continuation): New special.
(g_continuations): New global
(CONTINUATION): New field accessor.
(MAKE_CONTINUATION): New make_cell helper.
(car_): Update.
(eval_apply): Implement call/cc.
* module/mes/display.mes (display): Handle continuations.
* module/mes/type-0.mes (<cell:continuation>): New type.
(cell-type-alist): Add it.
(continuation?): New function.
* tests/base.test ("call/cc"): New test.
* mes.c (r0, r1, r2, r3, stack): New globals.
(gc_loop): Handle MACRO and SCM.
(gc_copy): Handle FUNCTION, allow for pre-allocated SCM and SYMBOL.
(assq): Flag any BROKEN_HEARTs.
(vm_call): New function. Enables moving C stack to GC stack.
(evlis_env, apply_env, eval_env, expand_macro_env, begin_env,
if_env): Use vm_call-indirection.
(call_lambda): New function.
(vm_apply_env): Rename from apply_env. Remove parameters, instead
use r1, r2 and r0.
(vm_evlis_env, vm_eval_env, vm_expand_macro_env, vm_begin_env,
vm_if_env): Likewise.
(acons): New function.
(mes_environment) [!MES_FULL, MES_MINI]: Add cpp switches to create minimally
filled environment, for debugging.
(main): Print free value at exit.
* define.c (define_env): Use vm_call-indirection.
(vm_define_env): Rename from define_env.
* quasiquote.c (eval_quasiquote): Use vm_call-indirection.
(vm_eval_quasiquote): Rename from eval_quasiquote.
* tests/gc-2.test: New test.
tests/gc-2a.test: New test.
tests/gc-3.test: New test.
* mes.c (symbol_primitive_load): New symbol.
(builtin_eval): Use it to implement primitive-load.
* module/mes/base-0.mes (push!, pop!): New macro.
(load): New macro.
* tests/data/load.scm: New file.
* tests/base.test (load): New test.
