Commit graph

127 commits

Author SHA1 Message Date
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
Jan Nieuwenhuizen fe727301c5 mescc: Support regular C99 compile, headers + mlibc.
* libc/include/assert.h: New file.
* libc/include/ctype.h: New file.
* libc/include/errno.h: New file.
* libc/include/fcntl.h: New file.
* libc/include/limits.h: New file.
* libc/include/mlibc.h: New file.
* libc/include/stdio.h: New file.
* libc/include/stdlib: New file.
* libc/include/string.h: New file.
* libc/include/unistd.h: New file.
* libc/mlibc.c: Remove declarations.
* make/bin.make (INCLUDES): Factor out standard includes.
* make/bin-mlibc.make: New file.
* scaffold/scaffold.make: Use it.
* src/src.make: Use it.
* module/language/c99/compiler.mes (ast-info): Handle more function declarations.
* scaffold/cons-mes.c: Remove mlibc definitionsa and mlibc.c include.
  Instead include <mlibc.h>.
* scaffold/hello.c: Likewise.
* scaffold/m.c: Likewise.
* scaffold/malloc.c: Likewise.
* scaffold/micro-mes.c: Likewise.
* scaffold/mini-mes.c: Likewise.
* scaffold/t.c: Likewise.
* scaffold/tiny-mes.c: Likewise.
* src/gc.c: Likewise.
* src/lib.c: Likewise.
* src/math.c: Likewise.
* src/mes.c: Likewise.
* src/posix.c: Likewise.
* src/reader.c: Likewise.
2017-05-02 23:30:46 +02:00
Jan Nieuwenhuizen d9780e66cd mescc: Support list of initializers.
* module/language/c99/compiler.mes (ast->info): Support list of initializers.
2017-05-03 08:09:19 +02:00
Jan Nieuwenhuizen 4e0042cae6 mescc: Basic printf support.
* module/mes/libc-i386.mes (i386:va-arg): New function.
* module/mes/libc-i386.scm (mes): Export it.
* module/mes/libc.mes (printf): New function.
  (libc): Add it.
* libc/include/stdio.h: New file.
* module/language/c99/compiler.mes (c99-input->ast): Add libc/include
  to include path.
  (ast-info): Handle (skip) ellipsis in function declaration.
2017-05-02 17:00:07 +02:00
Jan Nieuwenhuizen 26dcf7136b mescc: Parse mlibc early, show progress.
* module/mes/libc.mes (_start, strlen, getchar, assert_fail, ungetc,
  putchar, fputc, eputs, fputs, puts, strcmp, itoa, isdigit, atoi,
  malloc, realloc, strncmp, c:getenv): Change to function, add
  progress.  Update callers.
* module/language/c99/compiler.mes (c99-input->info): Compile libc separately.
* guile/mescc.scm: Update progress.
* scripts/mescc.mes: Update progress.
2017-04-24 19:09:54 +02:00
Jan Nieuwenhuizen 777fbc9d70 mescc: Avoid duplication of globals.
* module/language/c99/compiler.mes (globals:add-string): New function.
  (expr->arg): Use it to avoid globals duplication.
  (expr->accu): Do not pre-add globals.
2017-04-23 13:53:36 +02:00
Jan Nieuwenhuizen 7f3e44e361 mescc: Fix global creation in AND/OR clause.
* module/language/c99/compiler.mes (test->jump->info): Retain globals
  created in AND/OR test.
2017-04-23 13:53:08 +02:00
Jan Nieuwenhuizen 996c449a81 mescc: Add getenv.
* module/mes/libc-i386.mes (i386:_start): Push environment pointer.
* module/mes/libc.mes (g_environment): New global.
  (_env): New function.
  (_start): Use it to set g_environment.
  (getenv): New function.
* lib/mlibc.c (strncmp): New function.
  (getenv): Implement.
* lib/mstart.c (_start): Set g_environment.
* module/mes/libc.mes (strncmp): New function.
  (libc): Add it.
* scaffold/t.c: (array_ref): Test it.
2017-04-17 02:24:20 +02:00
Jan Nieuwenhuizen d47f0f65c5 mescc: Support pointer arrays and some arithmetic.
* module/language/c99/compiler.mes (.name): Support **; handle type size.
  (.statements): Likewise.
  (push-local-de-ref): Likewise.
  (push-ident-de-ref): Likewise.
  (expr->arg): Likewise.
  (ident->accu):  Likewise.
  (base->ident-address):  Likewise.
  (ident-add): Likewise.
  (expr->accu):  Likewise.
  (decl->type):  Likewise.
  (formal->text):  Likewise.
  (int->global, ident-address->accu, ident-address->base): New functions.
  (ast->info): Support *, *[] ** declarations.
  (push-local-de-de-ref,  push-ident-de-de-ref): New functions.
* module/mes/as-i386.mes (i386:push-byte-local-de-ref): Rename from
  i386:push-local-de-ref.  Update callers.
  (i386:push-local-de-ref, i386:push-byte-local-de-de-ref,
  i386:accu-mem-add): New functions.
* module/mes/as-i386.scm (mes): Export them.
* scaffold/t.c (array_test): Test it.
2017-04-17 02:15:11 +02:00
Jan Nieuwenhuizen 38d30a3e42 build: Refactor.
* GNUmakefile (OUT,QUIET,SUBDIRS): New variables.
  include make/common.make
* .gitignore: Remove toplevel targets.
* build-aux/compile-all.scm: Import from GNU Guix.
* configure (gulp-pipe): Check exit status.  Actually test for CC,
  CC32.
* make/bin.make: New file.
* make/check.make: New file.
* make/clean.make: New file.
* make/common.make: New file.
* make/compile.make: New file.
* make/guile.make: New file.
* make/mescc-guile.make: New file.
* make/mescc-mes.make: New file.
* make/reset.make: New file.
* lib/mlibc.c: Rename from top.
* lib/start.c: Rename from top.
* module/module.make: New file.
* scaffold/scaffold.make: New file.
* scripts/scripts.make: New file.
* src/mes.c: Rename from top.
* src/src.make: New file.
* src/mes.c: Rename from top.
* src/gc..c: Rename from top.
* src/lib.c: Rename from top.
* src/posix.c: Rename from top.
* src/reader.c: Rename from top.
* src/vector.c: Rename from top.
* tests/tests.make: New file.
2017-04-12 21:27:59 +02:00
Jan Nieuwenhuizen c4b14d66d3 mescc: Allow usage of const by ignoring.
* module/language/c99/compiler.mes (ast->info): Support const
  declarations (by ignoring them).
* lib.c (display_helper)[!__GNUC__]: Remove branch.
* posix.c (write_byte)[!__GNUC__]: Likewise.
2017-04-10 08:06:33 +02:00
Jan Nieuwenhuizen 39d334d51b mescc: Support break in while.
* module/language/c99/compiler.mes (make): Add break field.
  (.break): New function.
  (clone): Support break field.
  (ast->info): Support break.
* scaffold/t.c (test): Test it.
* scaffold/mini-mes.c (lookup_symbol_): Use it; remove goto workaround.
2017-04-10 06:59:50 +02:00
Jan Nieuwenhuizen 6009cf95fe mescc: Refactor switch.
* module/language/c99/compiler.mes (case->jump-info): Refactor.
  Support multiple case statements.
* scaffold/t.c (swits): Test it.
* lib.c (display_helper)[__NYACC__]: Remove branch.
2017-04-09 06:52:39 +02:00
Jan Nieuwenhuizen 2deca502ed mescc: Refactor assignment.
* module/language/c99/compiler.mes (expr->accu): Refactor assignment.
  Support multiple operators.
* scaffold/t.c (math_test): Test it.
* scaffold/mini-mes.c (minus, divide, modulo, multiply,
  logior)[!__GNUC__]: Remove branch.
2017-04-08 06:31:12 +02:00
Jan Nieuwenhuizen da931b4faa mescc: Factor-out array-ref.
* module/language/c99/compiler.mes: Factor-out array-ref.
2017-04-07 23:06:09 +02:00