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Author SHA1 Message Date
Jan Nieuwenhuizen 778fbd4f48
mescc: Fix for compiling handwritten .S assembly. 
* module/mescc/mescc.scm (mescc:compile): Handle .S.
(mescc:link): Likewise.
 2019-12-06 21:17:13 +01:00
Jan Nieuwenhuizen 2659caeffa
mescc: Ignore -fno-stack-protector. 
* module/mescc.scm (parse-opts): Ignore it.
 2019-12-02 18:27:32 +01:00
Jan Nieuwenhuizen 2c2f03c9e4
mescc: Honor --includedir, --libdir. 
* guix/git/mes.scm (mes):
* module/mescc.scm (%includedir, %libdir): New variable.
(mescc:main): Add them to options.
* module/mescc/mescc.scm (mescc:preprocess, c->info): Add %includedir.
(arch-find): Use %libdir instead of
prefix-file.
(prefix-file): Remove.
* scripts/mescc.scm.in (%includedir, %libdir): Initialize from and set
in environment.

xx

* module/mescc/mescc.scm :
 2019-11-24 11:14:14 +01:00
Jan Nieuwenhuizen c6cceb47f3
build: Update script help and usage. 
* doc/mes.texi (Invoking mesar): New section.
* mes/module/mes/boot-0.scm: Add one line help description.
* module/mescc.scm (parse-opts): Likewise.
* scripts/diff.scm (main): Add -h,--help, -v,--version.
* scripts/mesar.in: Likewise.
 2019-11-04 23:56:15 +01:00
Jan Nieuwenhuizen c1bc77a1fb
mescc: Remove dead code. Thanks Mark Weaver. 
* module/mescc/compile.scm (field-size): Remove dead function.
 2019-09-09 16:04:16 +02:00
Danny Milosavljevic a5f16861ab
mescc: Put char's ASCII code into register, not char. 
* module/mescc/compile.scm (expr-register): Put char's ASCII code into
register, not char.
 2019-05-30 22:11:37 +02:00
Jan Nieuwenhuizen 7670d6be38
mes: Update to Nyacc 0.93. 
* mes/module/nyacc/lang/c99/util.mes: New file.
* mes/module/nyacc/lang/c99/parser.mes: Use it.
* module/mescc/compile.scm (ast->info): Update for Nyacc 0.93.0.
* module/mescc/preprocess.scm (need-progress):  Likewise.
(ast-strip-comment): Likewise.
 2019-06-09 19:42:42 +02:00
Jan Nieuwenhuizen 26891251a6
mescc: Do not dump variables with extern storage. 
* lib/tests/scaffold/70-extern.stdout: New file.
* lib/tests/scaffold/70-extern.c: New file.
* build-aux/check-mescc.sh (TESTS): Add it..
* module/mescc/M1.scm (global-string?, global-extern?): New function.
(info->M1): Dump strings first.  Skip extern symbols.
* module/mescc/info.scm (<global>): Add storage field.
(make-global): Add storage parameter.  Pass it.
* module/mescc/compile.scm (make-global-entry): Likewise.
(global->info): Likewise.
(init-declr->info): Likewise.
(decl->info): Pass storage.
 2019-07-27 17:22:00 +02:00
Jan Nieuwenhuizen c03807b78f
mescc: Be silent. 
* module/mescc/M1.scm (infos->M1, info->M1): Add verbose?.  Move
debugging into verbose? > 1.
* module/mescc/compile.scm (c99-input->info, c99-ast->info): Likewise.
(mescc:trace-verbose): Rename from mescc:trace.
(mescc:trace): New function.
* module/mescc.scm (mescc:main): Likewise.
* module/mescc/mescc.scm (mescc:preprocess, c->ast mescc:compile,
c->info, E->info): Likewise.
* module/mescc/preprocess.scm (c99-input->full-ast, c99-input->ast):
Likewise.
 2019-07-27 09:51:21 +02:00
Jan Nieuwenhuizen af1cc3ce81
mescc: Add <include>/<kernel>/<arch> to include path. 
* module/mescc/preprocess.scm (c99-input->full-ast): Add
<include>/<kernel>/<arch> to include path.
* module/mescc/compile.scm (c99-input->info): Pass arch.
* module/mescc/mescc.scm (mescc:preprocess): Likewise.
(c->info): Likewise.
(c->ast): Likewise.
 2019-07-26 22:44:04 +02:00
Jan Nieuwenhuizen 2197252482
mescc: Add 70-function-destruct-declare.c test. 
* module/mescc/compile.scm (init-declr->info): Do not attempt to
re-calculate function type.
(ftn-declr:get-type): Remove.
* lib/tests/scaffold/70-function-destruct-declare.c: New file.
* build-aux/check-mescc.sh (TESTS): Add it.
 2019-07-26 19:09:12 +02:00
Jan Nieuwenhuizen d5a0ecb3d5
mescc: Resurrect --write. 
* module/mescc/mescc.scm (mescc:preprocess): Pass pretty-print/write
to c->ast.
 2019-07-26 18:57:45 +02:00
Jan Nieuwenhuizen 2611a64b2e
mescc: Add 70-struct-post.c test with fix. 
* lib/tests/scaffold/70-struct-post.c: New file.
* build-aux/check-mescc.sh (TESTS): Add it.
* module/mescc/compile.scm (expr->register): Use type size for rank
0 (WAS: 1).
 2019-07-21 22:40:42 +02:00
Jan Nieuwenhuizen 2f77f506b1
mescc: Add 70-struct-short-enum-init.c test with fix. 
* module/mescc/compile.scm (init->data): Respect type of size.
* lib/tests/scaffold/70-struct-short-enum-init.c: New file.
* lib/tests/scaffold/70-struct-short-enum-init.stdout: New file.
* build-aux/check-mescc.sh (TESTS): Add test.
 2019-07-21 16:48:26 +02:00
Jan Nieuwenhuizen 8e01a68357
mescc: Add 70-array-in-struct-init.c test with fix. 
* lib/tests/scaffold/70-array-in-struct-init.c: New file.
* lib/tests/scaffold/70-array-in-struct-init.stdout: New file.
* build-aux/check-mescc.sh (TESTS): Add test.
* module/mescc/compile.scm (array-init-element->data): Recurse for
elements instead of using init->data.  Support array fields.
 2019-07-20 17:14:55 +02:00
Jan Nieuwenhuizen 6541ec8c09
mescc: Use basename of input as default output name. 
* module/mescc/mescc.scm (mescc:preprocess, mescc:compile,
mescc:assemble, M1->hex2): Use basename of input as default output name.
 2019-07-08 19:42:31 +02:00
Jan Nieuwenhuizen 479bf10878
build: Handle gcc with --pie-by-default. 
This fixes upgrading to debian-hurd-20190220.img.

* build-aux/build.sh.in (CFLAGS): Add -static.  Fixes using gcc
compiled with --pie-by-default
* build-aux/check.sh.in (CFLAGS): Likewise.
* module/mescc.scm (parse-opts): Ignore -no-pie, -static.
 2019-07-06 13:57:30 +02:00
Jan Nieuwenhuizen fbe0b2eef8
porting: Add x86 scaffold: exit and write in assembly. 
* lib/x86-mes-gcc/exit-42.S: New file.
* lib/x86-mes-gcc/hello-mes.S: New file.
* lib/x86-mes/elf32-0exit-42.hex2: New file.
* lib/x86-mes/elf32-0hello-mes.hex2: New file.
* lib/x86-mes/elf32-body-hello-mes.hex2: New file.
* lib/x86-mes/elf32-body-exit-42.hex2: Rewrite.
* lib/x86-mes/elf32-header.hex2: Fix copyright header.
* lib/x86-mes/elf32-0header.hex2: Likewise.
* lib/x86-mes/elf-0footer.hex2: Remove.
* build-aux/build-scaffold.sh: Build them.
* .dir-locals.el (asm-mode): Allow TABs.
* .gitignore: Reserve .S assembly sources, i.e. manual written
assembly.  Update build system.
* module/mescc/mescc.scm: Update.
* build-aux/build-lib.sh: Update.
* scripts/ar.in: Update.
 2019-06-13 14:19:59 +02:00
Jan Nieuwenhuizen 78b3c85f15
build: Cater for ARM. 
* configure: Cater for ARM.
* configure.sh: Likewise
* build-aux/GNUmakefile.in: Likewise.
* build-aux/bootstrap.sh.in: Likewise.
* module/mescc.scm (parse-opts): Likewise.
* src/mes.c (mes_environment): Likewise.
* build-aux/build.sh.in: Likewise.
* build-aux/config.sh Likewise.
* build-aux/install.sh.in: Likewise.
* module/mes/guile.scm: Likewise.
* scripts/mescc.scm.in: Likewise.
* module/mescc/mescc.scm (arch-get): New function.
(arch-get-info): New function.
(arch-get-define): New function.
(arch-get-m1-options): New function.
(arch-get-Architecture): New function.
(mescc:preprocess c->info, E->info, M1->hex2, hex2->elf,
M1->blood-elf, arch-find): Use them.
 2019-05-22 17:55:20 +02:00
Jan Nieuwenhuizen 5dc245e739
build: Simplify. 
core: Make mes src/ c files separate compilation units.

* include/mes/constants.h: New file.
* include/mes/macros.h: New file.
* include/mes/mes.h: New file.
* src/gc.c: Update.
* src/hash.c: Update.
* src/lib.c: Update.
* src/math.c: Update.
* src/mes.c: Update.
* src/module.c: Update.
* src/posix.c: Update.
* src/reader.c: Update.
* src/string.c: Update.
* src/struct.c: Update.
* src/vector.c: Update.

    mes: Update datadir.

* src/mes.c (g_datadir): New global.
(open_boot): Rename from read_boot.
(read_boot): New function.
* mes/module/mes/boot-0.scm: Move from boot-0.scm.in
* configure: Update.
* configure.sh: Update.

    mescc: Create libraries from separate files.

* .gitignore: Update.
* build-aux/bootstrap-mes.sh: Remove.
* build-aux/bootstrap.sh.in: Remove.
* build-aux/build-guile.sh: Update.
* build-aux/build-mes.sh: Update.
* build-aux/build-scaffold.sh: New file.
* build-aux/build.sh.in: Update.
* build-aux/cc.sh: Update.
* build-aux/check-tcc.sh: Remove.
* build-aux/config.sh.in: New file.
* build-aux/config.sh: Remove.
* build-aux/install.sh.in: Update.
* build-aux/test-boot.sh: New file.
* build-aux/test-c.sh: New file.
* build-aux/test-driver: New file.
* build-aux/test-suite.sh: New file.
* build-aux/trace.sh: Update.
* build-aux/uninstall.sh.in: Update.
* configure: Update.
* configure.sh: Update.
* lib/linux/x86-mes-mescc/crt1.c: Move from lib/linux/x86-mes.
* lib/linux/x86-mes-mescc/mini.c: Likewise.
* lib/linux/x86_64-mes-mescc/crt1.c: Move from lib/linux/x86_64-mes.
* lib/linux/x86_64-mes-mescc/mini.c: Likewise.
* lib/linux/x86-mes-gcc/syscall.c: Rename from mes.c.
* lib/linux/x86-mes-mescc/syscall.c: Likewise.
* lib/linux/x86_64-mes-gcc/syscall.c: Likewise.
* lib/linux/x86_64-mes-mescc/syscall.c: Likewise.
* lib/mes/mes_open.c: Include config.h.
* lib/tests/stdio/70-printf-hello.c: Likewise.
* lib/tests/stdio/70-printf-simple.c: Likewise.
* scaffold/gc-test.sh: New file.
* simple.sh: Update.
 2019-06-08 15:36:22 +02:00
Jan Nieuwenhuizen 50f3f9ffdc
mescc: Use a.out as default executable name. 
* module/mescc/mescc.scm (hex2->elf): Use a.out as default executable
name.
 2019-05-29 16:49:22 +02:00
Jan Nieuwenhuizen 9cc3b10763
mescc: Robustify against empty `V' in environment. 
* module/mescc.scm: Robustify against empty V in environment.
 2019-05-29 16:47:54 +02:00
Jan Nieuwenhuizen 1444c67010
mescc: Fix -dumpmachine to respect -m bits selection. 
* module/mescc.scm (parse-opts): Fix -dumpmachine to respect -m bits
selection.  Also display kernel.
 2019-05-29 00:04:47 +02:00
Jan Nieuwenhuizen 115feda4fc
mescc: Ignore -fnobuiltin, -nostdinc for GCC compatibility. 
* module/mescc.scm (parse-opts): Add -fnobuiltin, -nostdinc.
(mescc:main): Ignore them.
 2019-05-29 16:44:31 +02:00
Jan Nieuwenhuizen 44f8117886
test: Resurrect running boot tests on Guile. 
* module/mes/guile.scm (keyword->string): New function.
* scaffold/boot/43-or.scm (foo): Add quoting.
* scaffold/boot/45-pass-if.scm (pass-if): Likewise.
* scaffold/boot/46-report.scm (pass-if): Likewise.
* scaffold/boot/47-pass-if-eq.scm (pass-if): Likewise.
* scaffold/boot/48-let.scm (map): Rename from map1.
* scaffold/boot/60-let-syntax-expanded.scm: Some work.
 2019-05-27 22:57:44 +02:00
Jan Nieuwenhuizen 26e88603d4
mescc: Mes C Library: Use SYSTEM_LIBC [WAS: WITH_GLIBC]. 
Run: sed -i 's,WITH_GLIBC,SYSTEM_LIBC,g' $(git grep -l WITH_GLIBC)

* build-aux/config.sh: Update.
* include/alloca.h: Likewise.
* include/ar.h: Likewise.
* include/argz.h: Likewise.
* include/assert.h: Likewise.
* include/ctype.h: Likewise.
* include/dirent.h: Likewise.
* include/dirstream.h: Likewise.
* include/dlfcn.h: Likewise.
* include/endian.h: Likewise.
* include/errno.h: Likewise.
* include/fcntl.h: Likewise.
* include/features.h: Likewise.
* include/float.h: Likewise.
* include/getopt.h: Likewise.
* include/inttypes.h: Likewise.
* include/libgen.h: Likewise.
* include/limits.h: Likewise.
* include/linux/x86_64/syscall.h: Likewise.
* include/locale.h: Likewise.
* include/math.h: Likewise.
* include/memory.h: Likewise.
* include/mes/lib-mini.h: Likewise.
* include/pwd.h: Likewise.
* include/setjmp.h: Likewise.
* include/signal.h: Likewise.
* include/stdarg.h: Likewise.
* include/stdbool.h: Likewise.
* include/stddef.h: Likewise.
* include/stdint.h: Likewise.
* include/stdio.h: Likewise.
* include/stdlib.h: Likewise.
* include/stdnoreturn.h: Likewise.
* include/string.h: Likewise.
* include/strings.h: Likewise.
* include/sys/cdefs.h: Likewise.
* include/sys/dir.h: Likewise.
* include/sys/file.h: Likewise.
* include/sys/ioctl.h: Likewise.
* include/sys/mman.h: Likewise.
* include/sys/param.h: Likewise.
* include/sys/resource.h: Likewise.
* include/sys/select.h: Likewise.
* include/sys/stat.h: Likewise.
* include/sys/time.h: Likewise.
* include/sys/timeb.h: Likewise.
* include/sys/times.h: Likewise.
* include/sys/types.h: Likewise.
* include/sys/ucontext.h: Likewise.
* include/sys/user.h: Likewise.
* include/sys/wait.h: Likewise.
* include/termio.h: Likewise.
* include/time.h: Likewise.
* include/unistd.h: Likewise.
* lib/libmes.c: Likewise.
* lib/tests/stdio/70-printf-hello.c: Likewise.
* lib/tests/stdio/70-printf-simple.c: Likewise.
* lib/tests/stdio/80-sscanf.c: Likewise.
* lib/tests/stdlib/50-malloc.c: Likewise.
* module/mescc/preprocess.scm: Likewise.
* scaffold/cons-mes.c: Likewise.
* scaffold/lib/stdlib/malloc.c: Likewise.
* scaffold/micro-mes.c: Likewise.
* scaffold/tests/61-array.c: Likewise.
* scaffold/tiny-mes.c: Likewise.
* simple.sh: Likewise.
* src/mes.c: Likewise.
 2019-05-29 16:15:12 +02:00
Jan Nieuwenhuizen 77e75c3142
mes: Bugfix for search-path. Fixes running MesCC on Guile. 
* module/mescc/mescc.scm (arch-find): Also look in cwd.
* mes/module/mes/posix.mes (search-path): Do not look in cwd.
 2019-05-27 21:51:37 +02:00
Jan Nieuwenhuizen 0ef174897f
mescc: Use named --architecture switch for upcoming mescc-tools 0.6. 
* module/mescc/mescc.scm (M1->hex2): Use named --architecture switch for
upcoming mescc-tools 0.6.
(hex2->elf): Likewise.
* build-aux/bootstrap-mes.sh: Likewise.
* build-aux/bootstrap.sh.in: Likewise.
* build-aux/config.sh: Likewise.
 2019-05-25 16:01:39 +02:00
Jan Nieuwenhuizen a22e5d3acc
mes: Identify 64-bit bug when compiled with MesCC. 
* src/math.c (divide): Add divide-by-zero error.
(modulo): Likewise.
* module/mes/guile.scm (%compiler): New variable.
* module/mescc/M1.scm (mesc?): New variable.
(hex2:immediate8): Use it to avoid divide-by-zero error.
* HACKING (Bugs): Add it.
 2019-05-27 21:33:20 +02:00
Jan Nieuwenhuizen fb13083d08
mescc: Support -nodefaultlibs, -nostartfiles, -nostdlib. 
* module/mescc.scm (parse-opts): Parse -nodefaultlibs, -nostartfiles, -nostdlib.
* module/mescc/mescc.scm (mescc:link): Handle -nodefaultlibs, -nostdlib.
(hex2->elf): Handle -nostartfiles, -nostdlib.
 2019-05-05 20:25:22 +02:00
Jan Nieuwenhuizen 48a0bf181d
build: Replace POSIX, posix_p by WITH_GLIBC, wip_glibc_p. 
* build-aux/build-mes.sh: Replace POSIX, posix_p by WITH_GLIBC, wip_glibc_p.
* build-aux/build.sh.in: Likewise.
* build-aux/cc.sh (link): Likewise.
* build-aux/config.make.in (with_glibc_p): Likewise.
* build-aux/config.sh (libc): Likewise.
(CPPFLAGS): Likewise.
* build-aux/config.status.in (with_glibc_p): Likewise.
* build-aux/test.sh: Likewise.
* configure (main): Likewise.
* configure.sh (subst): Likewise.
(mes_arch): Likewise.
* include/libmes.h: Likewise.
* include/linux/x86_64/syscall.h: Likewise.
* lib/libmes.c: Likewise.
* lib/tests/stdio/70-printf-hello.c (main): Likewise.
* lib/tests/stdio/70-printf-simple.c (main): Likewise.
* lib/tests/stdio/80-sscanf.c (main): Likewise.
* lib/tests/stdlib/50-malloc.c: Likewise.
* module/mescc/preprocess.scm (c99-input->full-ast): Likewise.
* scaffold/cons-mes.c: Likewise.
* scaffold/lib/stdlib/malloc.c: Likewise.
* scaffold/micro-mes.c: Likewise.
* scaffold/tests/61-array.c (getenv): Likewise.
* scaffold/tiny-mes.c: Likewise.
* src/mes.c: Likewise.
 2019-03-23 21:44:00 +01:00
Jan Nieuwenhuizen 90b384def3
mes: Support map and for-each with lists of unequal length. 
* mes/module/mes/base.mes (map): Support lists of unequal length.
* mes/module/mes/scm.mes (for-each): Likewise.
* module/mescc/compile.scm (expr->register): Fix compile warning.
* tests/scm.test ("map 1,2", "map 2,1", "for-each 1,2", "for-each
2,1": Test it.
 2019-03-02 14:33:58 +01:00
Jan Nieuwenhuizen 3e41363232
mescc: Enhance POSIX command-line support, e.g. -DFOO=1. 
* module/mescc.scm (unclump-single): New function.
(main): Use it to support -DFOO=bar, and equivalent.
 2018-12-26 14:14:02 +01:00
Jan Nieuwenhuizen 32dcd3a575
doc: Release update. 
* AUTHORS: Update.
* HACKING: Update.
* NEWS: Update.
* doc/mes.guix: Update.
* scripts/mescc.in: Update.
* mes/module/mes/boot-0.scm.in: Update.
* doc/announce/ANNOUNCE-0.19: New file.
 2018-10-20 09:53:44 +02:00
Jan Nieuwenhuizen 0a32045caf
mescc: Replace \r in comments. 
* module/mescc/compile.scm (ast->comment): Replace \r in comments.
 2018-12-02 07:26:07 +01:00
Jan Nieuwenhuizen 6b841a0cab
mescc: Run without shell. 
* mes/module/mescc.mes: New file.
* module/mescc.scm: Include it.
* scripts/mescc.scm.in: New file.
* scripts/mescc.in: Use it; Make pure shell.
* configure: Substitute it.
* configure.sh: Substitute it.
* build-aux/install.sh.in: Install it.
 2018-11-25 13:21:03 +01:00
Jan Nieuwenhuizen 149f2a3e51
core: String as array of bytes. 
* src/strings.c: New file.
* src/mes.c: Use it.  Update users.
 2018-11-11 16:25:36 +01:00
Jan Nieuwenhuizen c9a3fe68ec
test: Use write instead of display. 
* module/mes/test.scm (seq?, sequal?, seq2?, sless?, sequal2?): Use
write for expected, actual.
 2018-11-15 17:10:03 +01:00
Jan Nieuwenhuizen 6b5ac57602
build: Simplify: cater for one compiler at a time. 
* build-aux/build-cc.sh: Remove.
* build-aux/build-cc32.sh: Remove.
* build-aux/build-cc64.sh: Remove.
* build-aux/build-x86_64-mes.sh: Remove.
* build-aux/cc-mes.sh: Remove.
* build-aux/cc-x86_64-mes.sh: Remove.
* build-aux/cc32-mes.sh: Remove.
* build-aux/cc64-mes.sh: Remove.
* build-aux/test64.sh: Remove.
* build-aux/bootstrap-mes.sh: New file.
* build-aux/config.make.in: New file.
* build-aux/config.status.in: New file.
* build-aux/test-cc.sh: New file.
* .gitignore: Update.
* build-aux/GNUmakefile.in: Update.
* build-aux/build-guile.sh: Update.
* build-aux/build-mes.sh: Update.
* build-aux/build.sh.in: Update.
* build-aux/cc.sh: Update.
* build-aux/check-boot.sh: Update.
* build-aux/check-mes.sh: Update.
* build-aux/check-mescc.sh: Update.
* build-aux/check-tcc.sh: Update.
* build-aux/check.sh.in: Update.
* build-aux/config.sh: Update.
* build-aux/export.make: Update.
* build-aux/install.sh.in: Update.
* build-aux/pre-inst-env.in: Update.
* build-aux/test.sh: Update.
* build-aux/uninstall.sh.in: Update.
* configure: Update.
* configure.sh: Update.
* module/mescc/i386/as.scm: Update.
* module/mescc/preprocess.scm: Update.
* module/mescc/x86_64/as.scm: Update.
* scripts/mescc.in: Update.
* tests/psyntax.test: Update.
 2018-11-06 20:29:35 +01:00
Jan Nieuwenhuizen cd70c63a40
mescc: Exit if library cannot be found. 
* module/mescc/mescc.scm (arch-find): Exit upon failure.
 2018-11-08 14:46:46 +01:00
Jan Nieuwenhuizen 5d8e44de2c
test: Add performance test. 
* module/mes/test.scm (pass-if-timeout): New macro.
* tests/perform.test: New test.
* build-aux/check-mes.sh (tests): Run it.
 2018-10-21 12:04:25 +02:00
Jan Nieuwenhuizen a8ae42ff3c
mes: Resurrect Guile-1.8 support. 
* module/mes/mes-0.scm: Resurrect Guile-1.8 support.
 2018-10-17 09:47:20 +02:00
Jan Nieuwenhuizen 7da67941e2
core: Add module-define! 
* src/module.c (module_define_x, module_printer): New function.
(make_initial_module): Use them.
* tests/srfi-0.test: Test it.
* src/mes.c (display_m0): Remove.  Update callers.
* mes/module/mes/fluids.mes (make-fluid): Rewrite.
* tests/macro.test: Test it.
* mes/module/mes/boot-0.scm.in (module-define!): Remove.
* mes/module/mes/boot-02.scm: Likewise.
* module/mes/misc.scm (pk, warn): New function.
* build-aux/check-mes.sh (tests): Run tests.
 2018-10-14 09:10:30 +02:00
Jan Nieuwenhuizen 0feea9ae52
mescc: Recognize U integer suffix. 
* module/mescc/compile.scm (cstring->int): Recognize U integer
suffix.  Thanks, Peter de Wachter!
 2018-10-19 23:31:30 +02:00
Peter De Wachter b560899d84
mescc: Allow superfluous parentheses in function declarations. 
E.g.:  int (f)();
This is obscure but valid C.  It occurs in the csmith headers (thanks
to macro shenanigans).

* module/mescc/compile.scm (fctn-defn:get-name,
fctn-defn:get-statement): Allow superfluous parentheses in function declarations.
 2018-10-16 20:40:40 +02:00
Peter De Wachter ab57acfa01
mescc: Implement unary plus operator. 
* module/mescc/compile.scm (ast->type, expr->register,
try-expr->number):): Implement unary plus operator.
 2018-10-16 20:40:38 +02:00
Peter De Wachter 053309e4dc
mescc: Exit with non-zero exit code when subprocess fails. 
system* returns the result of waitpid. So, suppose that a subprocess
fails with exit code 1. Then the waitpid return value will be 256.
And exit(256) is equivalent to exit(0).

Modified-by: Jan Nieuwenhuizen <janneke@gnu.org>

* mes/module/mes/posix.mes (status:exit-val): New function.
* module/mescc/mescc.scm (assert-system*): Use it.
 2018-10-16 20:40:35 +02:00
Jan Nieuwenhuizen cc473c1d72
mescc: Oops typo. 
* module/mescc/M1.scm (hex2:immediate8): Typo.
 2018-10-12 09:37:10 +02:00
Jan Nieuwenhuizen 9a36cf22d0
mescc: Another attempt at divide. 
* module/mescc/i386/as.scm (i386:r0/r1): Never be signed.  Use div for unsigned.
(i386:r0%r1): Likewise.
* module/mescc/x86_64/as.scm (x86_64:r0/r1): Likewise.
(x86_64:r0%r1): Likewise.
* lib/x86-mes/x86.M1: Add div.
* lib/x86_64-mes/x86_64.M1: Likewise.
 2018-10-07 15:15:45 +02:00
Jan Nieuwenhuizen 6ab9a206bb
mescc: Nyacc comment escapes. 
* module/mescc/compile.scm (ast->comment): Nyacc comment escapes.
 2018-10-06 20:32:49 +02:00