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Author SHA1 Message Date
Jan Nieuwenhuizen 637c40aeb9 mescc: Avoid warnings in recursve functions. 
* module/language/c99/compiler.mes (expr->accu): Avoid warnings in recursve functions.
 2017-07-09 11:01:30 +02:00
Jan Nieuwenhuizen f8865ab276 mescc: undefine __GNUC__. 
* module/language/c99/compiler.mes (c99-input->full-ast): Remove
  __GNUC__=0.  Should help compiling pcc, libguile/eval.c.
 2017-07-09 09:26:04 +02:00
Jan Nieuwenhuizen ebb15c72a3 mescc: Support stdarg. 
* mlibc/include/stdarg.h (va_list): New type.
  (va_start, va_arg, va_end, va_copy): New macro.
  (vprintf): New declaration.
* mlibc/libc-mes.c (vprintf): New function.
  (printf): Rewrite using vprintf.
* module/language/c99/compiler.mes (expr->accu, expr->accu*): Handle
  any array.  Limitation: element size must be 4/sizeof (expression).
  (make-type): Add value pointer to type.
  (type:type, type:size, type:pointer, type:description): New functions.
  (ast->info): Handle typedef with pointer.
 2017-07-05 18:48:08 +02:00
Jan Nieuwenhuizen 83a43b81b3 mescc: Produce M1 output instead of hex2. 
Use: ./make.scm [TARGET]
     ./make.scm check

* stage0/x86.M1: New file.
* mlibc/mini-libc-mes.c (exit, write): Use M1 instead of .byte.
* mlibc/libc-mes.c (_start, exit, read, write, open, access, brk,
  fsync, printf): Use M1 instead of .byte.
* module/mes/as-i386.mes: Use M1.
* module/mes/make.scm: New file.
* make.scm: New file.
* guile/guix/records.scm: New File.
* guile/guix/shell-utils.scm: New file.
* module/mes/M1.mes: Rename from hex2.mes.
* module/mes/M1.scm: Rename from hex2.scm.
* scripts/mescc.mes: Update callers.
* guile/mescc.scm: Update callers.
 2017-07-02 16:25:14 +02:00
Jan Nieuwenhuizen c44df4ed8a mescc: Remove ELF creation, handled by hex2 now. 
* module/language/c99/compiler.scm (make-global, global:type,
  global:pointer, global:value): Move from elf-util.mes
* module/mes/as.mes: New file.
* module/mes/as-i386.mes: Use it.
* module/mes/as-i386.scm: Use it.
* module/mes/elf-util.mes: Remove.
* module/mes/elf.mes (elf32-addr, elf32-half, elf32-off, elf32-word,
  make-elf, write-any, object->elf): Remove
  (hex2->elf): New function with dummy implementation.
* module/mes/elf.scm: Update exports.
* module/mes/hex2.mes (object->elf): New function.
* module/mes/hex2.scm: Export it.
 2017-06-25 09:26:25 +02:00
Jan Nieuwenhuizen 1de0f33020 mescc: Produce object files in hex2 format, remove hex3. 
* GNUmakefile (HEX2_FLAGS): New variable.
* make/mescc-guile.make ($(OUT)/$(TARGET)): Use HEX2 for linking.
* make/mescc-mes.make ($(OUT)/$(TARGET)): Likewise.
* guile/mescc.scm (main): Remove hex3 support.
* scripts/mescc.mes (main): Likewise.
* stage0/elf32-0header.hex2: New file, merging of elf32.hex and elf32-header.hex2.
* stage0/elf-0footer.hex2: New file.
* stage0/elf32-header.hex2: Rename from elf32-header-exit-42.hex2,
  repurpose as generic debug heder.
* stage0/elf32-footer-single-main.hex2: Rename from elf32-footer-exit-42.hex2,
  repurpose as generic debug footer for single-main source.
* stage0/exit-42.c: New file.
* stage0/stage0.make ($(OUT)/0exit-42): Test 0header, 0footer.
  ($(OUT)/exit-42.guile): Test generic debug header, footer.
* stage0/elf32.hex2: Remove.
 2017-06-25 09:33:55 +02:00
Jan Nieuwenhuizen 77dfdd44b7 mescc: Remove jump calculation, use labels: rename jumps. 
* module/mes/as-i386.mes (i386:jump, i386:jump-byte-z, i386:jump-g,
  i386:jump-ge, i386:jump-nc, i386:jump-ncz, i386:jump-nz,
  i386:jump-z): Rename from i386:jump-label*.
* module/mes/as-i386.scm (mes): Update exports.
* module/language/c99/compiler.mes (ast->info): Update callers.
 2017-06-13 20:31:03 +02:00
Jan Nieuwenhuizen bdd80babb8 mescc: Remove jump calculation, use labels: cleanup. 
* module/language/c99/compiler.mes (test->jump->info): Remove.
 2017-06-12 20:58:49 +02:00
Jan Nieuwenhuizen 7d7126bf0d mescc: Remove jump calculation, use labels: switch. 
* module/language/c99/compiler.mes (expr->accu): Refactor (switch ...).
  (clause->info): Refactor.
 2017-06-13 20:20:38 +02:00
Jan Nieuwenhuizen 36e0219af3 mescc: Remove jump calculation, use labels: and, or. 
* module/language/c99/compiler.mes (expr->accu): Refactor (and
  ...), (or ...).
 2017-06-12 22:11:19 +02:00
Jan Nieuwenhuizen 0a94b499fa mescc: Remove jump calculation, use labels: if. 
* module/language/c99/compiler.mes (ast->info): Refactor (if ...)
  using test-jump-label->info.
 2017-06-12 20:11:37 +02:00
Jan Nieuwenhuizen 4e564c3ce3 mescc: Remove jump calculation, use labels: for. 
* module/language/c99/compiler.mes (ast->info): Refactor (for ...)
  using test-jump-label->info.
 2017-06-12 19:46:35 +02:00
Jan Nieuwenhuizen 0f19aba1a8 mescc: Remove jump calculation, use labels: do while. 
* module/language/c99/compiler.mes (ast->info): Refactor (do-while
  ...)  using test-jump-label->info.
 2017-06-12 19:00:24 +02:00
Jan Nieuwenhuizen 42ca62b075 mescc: Remove jump calculation, use labels: ?. 
* module/language/c99/compiler.mes (ast->info): Refactor (cond-expr
  ...)  using test-jump-label->info.
 2017-06-12 18:43:25 +02:00
Jan Nieuwenhuizen 44a97b03d9 mescc: Support continue in while. 
* module/language/c99/compiler.mes (make): Add continue field.
  (.continue): New function.
  (clone): Support continue field.
  (ast->info): Support continue.
* scaffold/t.c (test): Test it.
 2017-06-12 17:10:29 +02:00
Jan Nieuwenhuizen 9843f88d74 mescc: Remove jump calculation, use labels: while. 
* module/language/c99/compiler.mes (ast->info): Refactor (while ...)
  using test-jump-label->info.
 2017-06-12 21:06:12 +02:00
Jan Nieuwenhuizen 5bf3c92938 mescc: Remove jump calculation, use labels: prepare. 
* module/language/c99/compiler.mes (test-jump-label->info): New
  function.
* module/mes/as-i386.mes (i386:jump-label-z,i386:jump-label-byte-z,
  i386:jump-label-g, i386:jump-label-ge,i386:jump-label-nz): New
  functions.
* module/mes/as-i386.scm: Export them.
 2017-06-12 21:00:50 +02:00
Jan Nieuwenhuizen 7cce8c6090 mescc: Remove duplication of string globals. 
* module/language/c99/compiler.mes (expr->global): Curry-in globals.
  Update callers.
  (initzer->global): Likewise.
 2017-06-12 10:49:31 +02:00
Jan Nieuwenhuizen d46994f2fe mescc: Unify labels. 
* module/language/c99/compiler.mes: Use (#:address label) (#local
  label) (#:relative label) thoughout.
* module/mes/elf-util.mes (add-s:-prefix, drop-s:-prefix): Remove.
  (function->text): Update.
* module/mes/hex2.mes (write-hex2): Update.
 2017-06-11 18:05:56 +02:00
Jan Nieuwenhuizen 1263d6e278 mescc: Write object files in hex2 or hex3 format. 
* stage0/elf32.hex2: New file.
* module/mes/hex2.mes: New file.
* module/mes/hex2.scm: New file.
* module/language/c99/compiler.mes: Eradicate object lamdas.
  (current-eval, dec-xhex, function:-object->text, object->elf,
  object->objects, merge-objects, alist-add): Remove.
* module/mes/elf.mes (object->elf): New function, move from compiler.mes.
* module/mes/elf.scm: Export it.
* guile/mescc.scm (parse-opts): Add -g.
  (main): Use it.
* scripts/mescc.mes: Likewise.
* scripts/mescc-guile.make (MESCC.scm, MESLD.scm): Add -g flag.
* scripts/mescc-mes.make (MESCC.mes, MESLD.mes): Likewise.
* scaffold/m.c: Add proper includes.
* scaffold/argv.c: New file.
* scaffold/hello.c: Simplify.
* scaffold/micro-mes.c: Add proper includes.
* scaffold/t.c: Add proper includes.
 2017-06-11 13:11:40 +02:00
Jan Nieuwenhuizen c1d91c722d mescc: Support for non-Guix[SD] builds. 
* module/language/c99/compiler.mes (c99-input->full-ast): Cater for
  C_INCLUDE_PATH not set.  Fixes non-Guix[SD] builds.
 2017-06-20 19:42:37 +02:00
Jan Nieuwenhuizen 86b891ecb6 mescc: Bugfix for merging objects. 
* mlibc/libc-mes.c (main): Declare.
* mlibc/mini-libc-mes.c (g_stdin): Define.
  (main): Declare.
* module/language/c99/compiler.mes (alist-add): Thinko.  Fixes merging
  objects when first declares function of next.
 2017-06-05 11:42:15 +02:00
Jan Nieuwenhuizen 4d1df9cbcb mescc: move include into share/mlibc, allows installing alongside gcc. 
* mlibc: Rename from libc.
* HACKING: Update for name change.
* make/bin.make: Likewise.
* make/mescc-guile.make: Likewise.
* make/mescc-mes.make: Likewise.
* scaffold/scaffold.make: Likewise.
* make/install.make: Likewise.
  (install): Install mlibc into share/mlibc.
 2017-06-03 12:27:53 +02:00
Jan Nieuwenhuizen 0a07a01b29 mescc: Handle any const, by ignoring. 
* module/language/c99/compiler.mes (ast-strip-const): New function.
  (c99-input->ast): Use it.
  (type->size, type->description, ast->info): Remove const handling.
 2017-06-02 13:12:56 +02:00
Jan Nieuwenhuizen 6f842c6051 mescc: Support array in struct. 
* module/language/c99/compiler.mes: (field:size, field-offset): New
  functions.  Update callers, use them throughout.
  (ast->info): Support declaration of struct and typedef'ed struct
  variable with array fields.
  (expr->accu, expr->accu*): Support foo.bar[baz], foo->bar[baz].
* scaffold/t-tcc.c: Test it.
 2017-05-31 20:52:48 +02:00
Jan Nieuwenhuizen 9f56b8b102 core: Always include reader.c, drop binary read-0-32.mo dependency. 
* module/language/c99/compiler.mes (c99-input->full-ast): Remove
  obsolete __NYACC__ and MES_FULL defines.
* src/mes.c [!MES_FULL]: Include reader-mes.h.
  (mes_builtins) [!MES_FULL]: Include reader.mes.i, reader.me.environment.i.
  [!MES_FULL]: Include reader.c.
  (main) [!MES_FULL]: By default call load_env, only call bload_env
  when --load is supplied.  WAS: Always bload read-0-32.mo.
* src/reader.c (__end_of__mes_): Remove.
  (dump): Remove option of dumping tiny test program.
* make/mescc-mes.make ($(OUT)/$(TARGET), mescc.mes-ccompile,
  mescc.mes.c-compile-E): Depend on $(OUT)/mes, scripts/mes.
* src/src.make (mes.guile): Remove module/mes/read-32-0 dependency.
  Do not build $(OUT)/mes.mes.
* module/module.make (module/mes/read-0.mo, module/mes/read-0-32.mo,
  module/mes/tiny-0-32.mo): Remove targets.
  (CLEAN): Do not add them.  Neither install $(OUT)/mes.mes.
* .gitignore: Remove exceptions for them.
* make/install.make (install): Do not install them.
* HACKING: Update info about creating module/mes/read-32-0.mo.
* scaffold/mini-mes.c: Remove.
* scaffold/tiny-mes.c: Remove.
* scaffold/cons-mes.c: Remove.
* scaffold/scaffold.make (tiny-mes.libc, tiny-mes.guile, tiny-mes.mes,
  mini-mes.libc, mini-mes.guile, mini-mes.mes): Reemove targets.
 2017-05-28 16:03:45 +02:00
Jan Nieuwenhuizen f6671eaf3e mescc: Add missing builtins. 
* module/language/c99/compiler.mes (i386:type-alist): Add missing
  builtins.  TODO: identify and handle unsigned.
 2017-05-27 09:28:08 +02:00
Jan Nieuwenhuizen bade7d5519 mescc: Support typedef and many TCC declaration variants. 
* module/language/c99/compiler.mes (ast->info): Register typedefs in types.
  (enum-def-list->constants): Support addition and substraction in
  enum field values.
  (get-type): New function.  Use throughout.
 2017-05-25 07:32:29 +02:00
Jan Nieuwenhuizen 3b4e7cd8a8 mescc: Handle comments anywhere. 
* module/language/c99/compiler.mes (c99-input->full-ast): Rename from c99-input->full-ast.
  (ast-strip-comment, c99-input->ast): New functions.
  (ast->info): Remove comment exceptions.
 2017-05-25 19:48:26 +02:00
Jan Nieuwenhuizen 92a330ff07 mescc: Support anonymous enums. 
* module/language/c99/compiler.mes (enum-def-list->constants): New function.
  (ast->info): Support anonymous enum.
 2017-05-25 07:57:26 +02:00
Jan Nieuwenhuizen 6af7556d51 mescc: C99 header files and declaraions. 
* libc/include/assert.h (assert_fail):
* libc/include/stdio.h:
+int eputs (char const* s);
+int fputs (char const* s);
+int puts (char const* s);
+int putchar (int c);
+int fputc (int c, int fd);
+int getchar ();
* libc/include/stdlib.h:
+char* getenv (char const* s)
+int atoi (char const *s);
+int *malloc (size_t);
+int *realloc (int *p, int size);
* libc/include/unistd.h (access):
* src/lib.c (display_helper):
* src/mes.c (read_input_file_env):
* src/posix.c: Include unistd.h.
 2017-05-23 07:16:08 +02:00
Jan Nieuwenhuizen cf51f3f5bd mescc: support -E. 
* guile/mescc.scm (parse-opts): Add -E.
  (source->ast): New function.
  (main): Use it.
* scripts/mescc.mes (parse-opts): Add -E.
  (source->ast): New function.
  (main): Use it.
 2017-05-22 19:22:18 +02:00
Jan Nieuwenhuizen 3c880bbb56 mescc: Refactor mlibc compilation. 
* libc/libc-mes.c: New file.  Contents from module/mes/libc.mes, module/mes/libc-i386.mes.
* libc/libc-gcc.c: Rename from libc/mlibc.c, include libc/mstart.c
* libc/mstart.c: Remove.
* module/mes/libc-i386.mes: Remove.
* module/mes/libc-i386.scm: Remove.
* module/mes/libc.mes: Remove.
* module/mes/libc.scm: Remove.
* GNUmakefile (CFLAGS): Include libc-gcc.c (WAS: mlibc.c).
* make/bin-mlibc.make (C_FLAGS): Remove start.c include.
* make/mescc-guile.make: Rewrite using compile, link.
* make/mescc-mes.make: Likewise.
* scaffold/m.c: Update.
 2017-05-21 22:25:02 +02:00
Jan Nieuwenhuizen 2027754a59 mescc: support -c, -o. 
* module/language/c99/compiler.mes: Throughout: quote lambda's.
  (current-eval): New function.
  Thanks Andy!
  (object->list): New function.  Update callers.
  (c99-input->info): Dump a.o.
  (initzer->non-const, function:object->list): New functions.
  (info:object->list): New function.
  (c99-input->elf): Call it.
* module/mes/as-i386: Throughout: quote lambda's.
* scripts/mescc.mes (main): Rewrite.
* guile/mescc.scm (main): Likewise.
 2017-05-17 13:56:25 +02:00
Jan Nieuwenhuizen 45ce77df85 core: Add current-output-port, open-output-file, set-current-output-port. 
* libc/include/fcntl.h: Declare it.  Add some fcntl defines.
* libc/include/stdio.h: Remove fcntl defines, Declare g_stdout.
* module/language/c99/compiler.mes (c99-input->ast): Define O_WRONLY, O_RDWR.
* module/mes/guile.mes (with-output-to-file, with-output-to-port): New functions.
* src/posix.c (current_output_port, open_output_file,
  set_current_output_port): New functions.
* libc/mlibc.c (open): Add optional mode parameter.
* module/mes/libc-i386.mes (i386:open): Forward third parameter.
* scaffold/mini-mes.c (main): Init g_stdout.
* src/mes.c (main): Likewise.
 2017-05-19 06:56:47 +02:00
Jan Nieuwenhuizen 7241756945 mescc: Minimal support for short. 
* module/language/c99/compiler.mes (i386:type-alist): Add short.
 2017-05-08 21:34:08 +02:00
Jan Nieuwenhuizen ae7a42671a mescc: Add strcpy. 
* libc/include/string.h (strcpy): Declare.
* libc/mlibc.c (strcpy): New function.
* module/mes/libc.mes (strcpy): New function.
  (libc): Add it.
* scaffold/t.c (string_test): Test it.
 2017-05-08 21:15:53 +02:00
Jan Nieuwenhuizen 5d0202bbf7 mescc: Enhance sizeof support. 
* module/language/c99/compiler.mes (expr->accu): Support sizeof (simple-type),
  sizeof (var).
 2017-05-08 21:32:32 +02:00
Jan Nieuwenhuizen ed3aa5be35 mescc: Support void return. 
* module/language/c99/compiler.mes (ast-info): Support `return'.
 2017-05-08 20:06:20 +02:00
Jan Nieuwenhuizen df878c59d9 mescc: Bugfixes for local char[]. 
* module/language/c99/compiler.mes (push-ident): Cater for local arrays.
  (expr->accu): Avoid post-inc/post-dec twice on rhs of assignment.
  Fix size lookup for local char arrayns.
 2017-05-07 07:36:44 +02:00
Jan Nieuwenhuizen 0bc2c05dba mescc: Enhance enum support. 
* module/language/c99/compiler.mes (ast->info): Support enum variable
  declaration.  Respect field value overrides.
 2017-05-06 19:31:00 +02:00
Jan Nieuwenhuizen 390059a42d mescc: Support binary constants. 
* module/language/c99/compiler.mes (cstring->number): Support binary 0bxxx values.
* scaffold/t.c (math_test): Test it.
 2017-05-06 18:16:24 +02:00
Jan Nieuwenhuizen 2eae07de72 mescc: Support ==, != as expression value. 
* module/mes/as-i386.scm: Export them.
* module/language/c99/compiler.mes (expr->accu): Set accu to 0/1 for eq, ne.
* module/mes/as-i386.mes (i386:nz->accu, i386:z->accu,
  i386:accu<->stack): New functions.
* scaffold/t.c (math_test): Test it.
 2017-05-06 17:30:14 +02:00
Jan Nieuwenhuizen be6e30a8fa mescc: Support &, ^. 
* module/mes/as-i386.mes (i386:accu-and-base, i386:accu-xor-base): New functions.
* module/mes/as-i386.scm: Export them.
* module/language/c99/compiler.mes (expr->accu): Support bitwise-and, bitwise-xor.
 2017-05-06 14:57:39 +02:00
Jan Nieuwenhuizen 6272356959 mescc: Support struct pointers. 
* module/language/c99/compiler.mes (expr->accu): Support
  &struct.field, struct->field.
  (ast->info): Support struct *foo = &bar;
* scaffold/t.c (struct_test): Test it.
 2017-05-06 11:01:58 +02:00
Jan Nieuwenhuizen 5246de5e39 mescc: Support struct definition with variable declaration. 
* module/language/c99/compiler.mes (ast->info): Support `struct foo {} bar;'.
 2017-05-06 09:27:28 +02:00
Jan Nieuwenhuizen 68528219cb mescc: Support void functions. 
* module/language/c99/compiler.mes (function->info): Add return if
  missing.  Fixes calling void functions (and functions where return
  is missing).
* scaffold/t.c (void_func): Test it.
 2017-05-06 09:11:42 +02:00
Jan Nieuwenhuizen 6dc19bd040 mescc: Bugfix for break in switch not in compound. 
* module/language/c99/compiler.mes (clause->jump-info): Rename from
  case->jump-info.
  (statements->clauses): New function.
  (ast->info): Use it.  Fixes switch statement with break in a case
  outside of a compound.
* scaffold/t.c (swits): Test it.
 2017-05-06 08:39:04 +02:00
Jan Nieuwenhuizen f5372bdeff mescc: Enhance [int/pointer] array support. 
* module/language/c99/compiler.mes (p-expr->type): Handle array-ref
  with any index.
  (ast->info): Support plain array declerations.
  (expr->accu): For size == 4, assume value in accu.  Fixes int/pointer arrays.
* scaffold/t.c: Test it.
 2017-05-05 09:24:19 +02:00
Jan Nieuwenhuizen 03211ee91d mescc: Enhance struct support. 
* module/language/c99/compiler.mes (expr->accu): Remove struct scm
  hardcoding.
  (p-expr->type): New function.
  (ast->info): Support struct variable declaration without
  initializer.  Set struct type for all struct declarations.
 2017-05-04 19:39:23 +02:00