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Author SHA1 Message Date
Jan Nieuwenhuizen 6c6df16ca3 mini-mes: Workarounds for vector.c. 
* vector.c (make_vector, vector_set_x, list_to_vector)[!__GNUC__]: Avoid
  by value assignment from array-of struct entry.
 2017-03-25 17:15:07 +01:00
Jan Nieuwenhuizen 30743ce141 mini-mes: Fully remove reader from core. 
* scaffold/mini-mes.c (lookup_): Remove.
* mes.c: Likewise.
* reader.c (lookup_): Enable.
* mlib.c (putc): New function.
* module/mes/libc.mes (putc): New function.
 2017-03-25 15:58:44 +01:00
Jan Nieuwenhuizen 040b9aedfc mescc: Support bitwise or. 
* module/mes/as-i386.mes (i386:accu-or-base): New function.
* module/mes/as-i386.scm: Export it.
* module/language/c99/compiler.mes (expr->accu): Use it; support bitwise or.
* scaffold/t.c (math_test): Test it.
* scaffold/mini-mes.c (logior): Use it.
 2017-03-24 23:15:01 +01:00
Jan Nieuwenhuizen ca633abdda mescc: Lshift support non-fixed shift value. 
* module/mes/as-i386.mes (i386:accu<<base): New function.
* module/mes/as-i386.scm: Export it.
* module/language/c99/compiler.mes (expr->accu): Use it.
* scaffold/t.c (math_test): Test it.
 2017-03-24 22:32:02 +01:00
Jan Nieuwenhuizen ce55c198c0 mescc: Use signed integer comparison. 
* module/language/c99/compiler.mes (test->jump->info):
* module/mes/as-i386.mes (i386:Xjump-le, i386:Xjump-g, i386:Xjump-l,
  i386:Xjump-ge): New functions.
* module/mes/as-i386.scm: Export them.
* scaffold/t.c (math_test): Test them.
* tests/scm.test ("iota -1"): Enable for mesc.
 2017-03-24 21:45:19 +01:00
Jan Nieuwenhuizen 66b53669f8 mescc: Run module/base-0.mes. 
* gc.c: New file.
* vector.c: New file.
* mes.c: Remove vector and gc functions, include vector.c, gc.c.
* GNUmakefile (mes.o): Add gc, vector dependencies.
* scaffold/mini-mes.c (eval_apply): Support primitive-load through
  read_input_file.
  (getenv_, open_input_file, current_input_port,
  set_current_input_port force_output, exit_, values, arity_, xassq,
  is_p, minus, plus, divide, modulo multiply, logior, ash): New function.
  (mes_symbols): Add symbols %gnuc, %mesc.
* scaffold/mini-mes.c (): New functions.
* scaffold/b-0.mes: New file.
* scaffold/t-0.mes: New file.
 2017-03-26 21:13:01 +02:00
Jan Nieuwenhuizen dbd987ab19 mescc: Have ungetc remember 2 positions. 
* doc/examples/t.c (read_test): Test it.
* doc/examples/mini-mes.c:
* mlibc.c (getchar, ungetc): Support 2 ungetc positions.
* module/mes/libc.mes (getchar, ungetc): Likewise.
 2017-03-23 18:57:06 +01:00
Jan Nieuwenhuizen 0685c9e7e8 mescc: Add brk, naive malloc. 
* scaffold/mini-mes.c (gc_init_cells): Use malloc to init g_cells.
* scaffold/malloc.c: New file.
* GNUmakefile (malloc, guile-malloc): New targets.
* module/mes/libc-i386.mes (i386:brk): New function.
  (i386:libc): Add it.
* mlibc.c (brk): New function.
  (malloc): Use it.
  (realloc): New function.
* module/mes/libc.mes (malloc, realloc): New functions.
 2017-04-02 12:31:15 +02:00
Jan Nieuwenhuizen a7f40f71ff mescc: Add missing defines. 
* module/language/c99/compiler.mes (mescc): Set STDIN, STDOUT, STDERR,
  INT_MIN, INT_MAX.
 2017-03-22 07:54:45 +01:00
Jan Nieuwenhuizen efc02d9746 mini-mes: Update display_. 
* doc/examples/mini-mes.c (display_): Add separator, nicer recursion.
* mes.c (display_): Update.
 2017-03-22 07:09:58 +01:00
Jan Nieuwenhuizen 76f6fdc43e mescc: Struct by value assignment fixes. 
* module/language/c99/compiler.mes (ast->info): Remove g_function
  hardcoding, fix struct assignment.
* doc/examples/t.c (struct_test): Test it.
 2017-03-22 07:13:34 +01:00
Jan Nieuwenhuizen bcf1b2a356 mescc: Fix struct field comparison. 
* module/language/c99/compiler.mes (expr->accu, ast->info): Some
  push/pop fixes, fixes struct field comparisons.
* doc/examples/t.c (struct_test): Test it.
 2017-03-22 07:10:54 +01:00
Jan Nieuwenhuizen 9a02352a15 mescc: Run full scheme reader read-0.mes. 
* lib.c (load_env)[MINI_MES]: Load full reader, module/mes/read-0.mes.
* GNUmakefile (module/mes/read-0-32.mo): Update dependency.
* module/mes/mini-0.mes: Remove.
* doc/examples/t.c (struct_test):
* module/mes/read-0-32.mo: New file: bootstrap binary reader.
 2017-03-22 06:59:50 +01:00
Jan Nieuwenhuizen 98f64ae516 mescc: Mini-mes (gcc-compiled) runs read-0.mes. 
* module/language/c99/compiler.mes (expr->accu): Add mul.
  (test->jump->info): Add le, ge.
  (ast->info): Support int and char* initialization at top level.
* module/mes/as-i386.mes (i386:accu*base, i386:Xjump-cz,
  i386:Xjump-ncz): New function.
* module/mes/as-i386.scm: Export them.
* doc/examples/t.c (test): Test them.
* module/mes/libc.mes (ungetc): New function.
  (getchar): Support it.
  (assert_fail, isdigit): New functions.
  (libc): Export them.
* module/mes/mini-0.mes: Load full reader.
* mlibc.c (ungetc): New function.
  (getchar): Support it.
  (assert_fail, isdigit): New functions.
* mes.c (list length error lookup_ getchar ungetchar peekchar
  peek_byte read_byte unread_byte greater_p less_p): Move functions
  needed to run read-0.mes into core.
* doc/examples/mini-mes.c: Likewise.
* lib.c (length, error): Comment-out.
* math.c (greater_p, less_p): Comment-out.
* posix.c: (getchar, ungetchar, peekchar, peek_byte, read_byte,
  unread_byte): Comment-out.
* reader.c (lookup_): Comment-out.
 2017-03-22 06:39:24 +01:00
Jan Nieuwenhuizen 240f2814f4 mescc: Cleanup mini-mes build and test. 
* GNUmakefile (guile-cons-mes guile-m guile-main guile-micro-mes
  guile-mini-mes guile-t guile-tiny-mes): New targets.
  (clean): Clean them.
* .gitignore: Ignore them.
* HACKING: Update.
* scaffold/tiny-mes.c (bload_env): Read module/mes/tiny-0-32.mo.
* scaffold/cons-mes.c (simple_bload_env): Likewise.
* lib.c (dump)[MES_TINY]: Write crafted dump: module/mes/tiny-0-32.mo.
  (load_env): Read module/mes/mini-0.mes.
  (bload_env): Read module/mes/read-0-32.mo.
* module/mes/mini-0.mes: New file.
* module/mes/tiny-0.mes : New file.
 2017-03-19 13:41:56 +01:00
Jan Nieuwenhuizen 4e12e14b85 mescc: Refactor libc. 
* GNUmakefile (mini-mes): Add include.
* mlibc.c: New file: libc bits for GNUC -nostdlib.
* mstart.c: New file: _start for GNUC -nostdlib.
* scaffold/cons-mes.c: Remove GNUC libc bits.
* scaffold/m.c: Likewise.
* scaffold/mini-mes.c: Likewise.
* scaffold/t.c: Likewise.
* scaffold/tiny-mes.c: Litkewise.
* module/language/c99/compiler.mes (libc, i386:libc): Remove.
* module/language/c99/compiler.scm
* module/mes/libc-i386.mes: Remove assembly bits.
  (_start): New function.
* module/mes/libc-i386.scm: Export it, remove assembly exports.
* module/mes/as-i386.mes: New file: assembly bits from libc-i386.mes.
* module/mes/as-i386.scm: New file: export them.
* module/mes/libc.mes (libc,_start): New functions from compiler.mes.
* module/mes/libc.scm: Export them.
 2017-04-02 12:29:09 +02:00
Jan Nieuwenhuizen a14c3d937a mescc: Support assignment with comparison. 
* module/language/c99/compiler.mes (expr->accu): Handle assignment -> accu.
* doc/examples/t.c (test): Test it.
* doc/examples/mini-mes.c (eval_apply): Use it.
 2017-03-18 08:25:15 +01:00
Jan Nieuwenhuizen 4c59078002 mescc: Support assignment test. 
* module/language/c99/compiler.mes (test->jump->info): Handle assignment.
* doc/examples/t.c (test): Test it.
 2017-03-18 08:17:18 +01:00
Jan Nieuwenhuizen b22eee36df mescc: Fix simple value tests. 
* module/language/c99/compiler.mes (test->jump->info): Test accu
  before jumping.  Fixes simple value tests.
 2017-03-17 23:49:29 +01:00
Jan Nieuwenhuizen a4d65166c0 mescc: Support generic initializer. 
* module/language/c99/compiler.mes (ast->info): Support generic
  declaration using initializer.  Supports struct field initializer.
* doc/examples/t.c (struct_test): Test it.
* doc/examples/mini-mes.c (call_lambda, eval_apply, write_byte,
  display_): Use it.  (call_lambda): (eval_apply,
  list_of_char_equal_p): Use it.
 2017-03-17 17:54:37 +01:00
Jan Nieuwenhuizen ddd880bdc8 mescc: Remove last hardcodings for identifiers. 
* module/language/c99/compiler.mes (ident->accu, ident->base):
  Use local:ptr, type->size to remove hard coding of functionx, c1.
  (expr->accu): Use type->size to remove hard coding of size byte.
  (decl->type): Also handle typename, bail out if type not found.
  (type->size): Print identifier and and bail out if type not found.
  (formal:ptr): New function.
  (formals->locals): Use it to set pointer value of parameter.  WAS: 0.
  (ast->info): Remove functionx hardcoding.
  (getchar): Rename c1 to c.
* doc/examples/t.c: Test it.
 2017-03-17 17:32:23 +01:00
Jan Nieuwenhuizen cbee04c4b8 mescc: Support function call with enum value. 
* doc/examples/mini-mes.c: Remove debug printing.
* module/language/c99/compiler.mes (push-global, push-local,
  push-global-address, push-local-address, push-local-de-ref): Return
  list of lambda.
  (push-ident): Support push constant.  Fixes mini-mes,
  cstring_to_list.
* doc/examples/t.c (test): Test it.
 2017-03-17 08:37:45 +01:00
Jan Nieuwenhuizen a2f180ba4a mescc: Fix d-sel comparisons. 
* module/language/c99/compiler.mes (ast->info): Save base while
computing accu. Fix comparison using d-sel in second argument.
* doc/examples/t.c: Test it.
* doc/examples/mini-mes.c (assq): Use it.
 2017-03-14 00:15:13 +01:00
Jan Nieuwenhuizen d039b00349 mescc: Fix for character array s[0]. 
* module/language/c99/compiler.mes (expr->arg, expr->accu, ast->info):
  Use type size to calculate index.
* doc/examples/t.c: Test it.
* doc/examples/mini-mes.c (cstring_to_list): Simplify.
 2017-03-13 19:38:38 +01:00
Jan Nieuwenhuizen 03c37b2e22 mescc: Support mini-mes running scheme program with builtins. 
Mini-mes, compiled with either gcc or mescc, now runs a memory dump of
this mini-0.mes program

	(begin
	  (write-byte (make-cell 0 0 65))
	  (write-byte (make-cell 0 0 66))
          (write-byte (make-cell 0 0 67))
 	  (write-byte (make-cell 0 0 10))
	  #f)

when read and dumped by (gcc-compiled) mes-32.

* build-aux/mes-snarf.scm: FIXES ..collapse?
* module/language/c99/compiler.mes (ast->info): Bail out on unhandled
  declarations.  Was: verbosely skip.
 2017-03-12 12:02:12 +01:00
Jan Nieuwenhuizen 1322d99c22 mescc: Support [for] itoa. 
* module/mes/libc-i386.mes (i386:accu%base): New function.
* module/mes/libc-i386.scm: Export it.
* module/language/c99/compiler.mes (expr->accu): Use it to support mod.
* doc/examples/t.c (itoa): New function.
  (test): Test it.
* doc/examples/mini-mes.c (itoa)[!__GNUC__]: New function.
 2017-03-12 11:05:20 +01:00
Jan Nieuwenhuizen 3268027e46 mescc: Support do .. while. 
* module/language/c99/compiler.mes (ast->info): Support do-while.
* doc/examples/t.c (test): Test it.
 2017-03-12 11:05:00 +01:00
Jan Nieuwenhuizen 76f1a89cef core+mini-mes: Replace manual snippets by snarfed includes. 
* build-aux/mes-snarf.scm (symbol->source, function->header,
  function->source, function->environment): Add workarounds to
  avoid struct-copy initializers.
* GNUmakefile (mini-mes): Snarf symbols and functions.
* scaffold/mini-mes.c: Include mini-mes.h, mini-mes.symbols.h,
  mini-mes.symbols.i, mini-mes.i, mini-mes.environment.i.
  Add snarfable symbol/special definitions.
  (type_t): Prefix all types with `T', update users.
  (assert_defined, gc_push_frame, gc_peek_frame, gc_init_cells): Mark
  as internal.
* mes.c (type_t): Prefix all types with `T', update users.
* scaffold/mini-mes.c (eq_p, type_, car_, cdr_,
  list_of_char_equal_p, lookup_macro, write_byte): New functions (from
  mes.c).
  (assq): Add debugging, workaround.
 2017-03-10 20:56:18 +01:00
Jan Nieuwenhuizen f738d4381d mescc: Support goto in while body. 
* module/language/c99/compiler.mes (ast->info): Support goto in while
  body.
* doc/examples/t.c (test): Test it.
 2017-03-10 07:01:51 +01:00
Jan Nieuwenhuizen f612feec47 core+mini-mes: Move function name to struct function. 
* module/language/c99/compiler.mes (expr->arg): Handle char arguments.
* doc/examples/cons-mes.c (struct function): Add name field.
* doc/examples/mini-mes.c: Likewise.
  (mes_builtins): Update.
* mes.c: Likewise.
* build-aux/mes-snarf.scm: Update.
 2017-03-09 23:27:12 +01:00
Jan Nieuwenhuizen e9560e95a5 mescc: Support strings in struct initialization. 
* module/mes/elf-util.mes (add-s:-prefix, drop-s:-prefix): New functions.
* module/mes/elf-util.scm: Export them.
* module/language/c99/compiler.mes (string->global): Add `s:' prefix
  to global strings.  Update users.
  (expr->arg): Update.
  (expr->accu): Handle string expressions.
  (initzer->global): New function.
  (struct-field): Handle string field.
* doc/examples/t.c: Test it.
* doc/examples/mini-mes.c: Use it.

dun!
 2017-03-09 08:14:27 +01:00
Jan Nieuwenhuizen 64e73dcf29 mescc: Display sexps better. 
* module/mes/elf.mes (make-elf): Only display data sections smaller
  than 200 bytes.
* doc/examples/mini-mes.c (simple_bload_env): Read mini-0-32.mes.
* doc/examples/cons-mes.c (display_): Support symbols and specials.
* doc/examples/tiny-mes.c: Likewise.
* lib.c:
* mes.c:
 2017-03-07 22:33:59 +01:00
Jan Nieuwenhuizen dd52f580fb mescc: Compile all of mini-mes. 
* module/language/c99/compiler.mes (case->jump-info): Support single statement.
* module/mes/elf-util.mes (function-prefix): Workaround for reversed
  functions.  FIXME!
* module/mes/elf.mes:
* scaffold/mini-mes.c (type_t): Rename FUNCTION to TFUNCTION for Nyacc.
  Add missing symbols.
  (eval_apply): Uncomment most.
* scaffold/tiny-mes.c:
* scaffold/cons-mes.c: Remove cruft.
 2017-03-06 07:14:15 +01:00
Jan Nieuwenhuizen 78e70f9024 mescc: Support struct assignment. 
* module/mes/libc-i386.mes (i386:base-address->accu-address,
  i386:accu+n, i386:base+n): New functions.
* module/mes/libc-i386.scm: Export them.
* module/language/c99/compiler.mes (ast->info): Use them.
* doc/examples/t.c: Test them.
* doc/examples/cons-mes.c: Drop workarounds.
* doc/examples/mini-mes.c: Likewise.
* mes.c:
 2017-03-02 20:26:13 +01:00
Jan Nieuwenhuizen 08ea0da745 mescc: Fix add, sub, lshift. 
* module/language/c99/compiler.mes (expr->accu): Fix add, sub, lshift.
* doc/examples/t.c: Test them.
* doc/examples/cons-mes.c:
* doc/examples/mini-mes.c:
 2017-03-02 20:19:53 +01:00
Jan Nieuwenhuizen c9b251616a mescc: Support any expression as arg. 
* module/language/c99/compiler.mes (expr->arg): Also push parameter,
  always return info.
  (ast->info): Loop over args.  Fixes using function calls in arguments.
* module/mes/libc-i386.mes (i386:push-arg): Remove.
  (i386:call, i386:call-accu): Remove arguments parameter.
* doc/examples/t.c: Test it.
 2017-02-27 07:50:33 +01:00
Jan Nieuwenhuizen 07c4b02fa3 mescc: Fixes for goto. 
* module/mes/libc-i386.mes (XXjump): New function.
* module/mes/libc-i386.scm: Export it.
* module/language/c99/compiler.mes (case->jump-info, ast->info): Use it.
* scaffold/t.c: Test it.
* GNUmakefile (cons-mes): New target.
* scaffold/cons-mes.c: New file.
* scaffold/mini-mes.c:
 2017-04-02 12:13:04 +02:00
Jan Nieuwenhuizen 184c9f2641 mescc: Mini-mes runs (cons 0 1) dump. 
* module/mes/libc-i386.mes (i386:Xjump-z, i386:Xjump-c,
  i386:Xjump-nc): New functions.
* module/mes/libc-i386.scm: Export them.
* module/language/c99/compiler.mes (case->jump-info, test-jump->info,
  ast->info): Use them.
* doc/examples/t.c: Test it.
* doc/examples/mini-mes.c: Run it.
 2017-02-24 13:27:39 +01:00
Jan Nieuwenhuizen 70e4aec861 mescc: Run mini-mes. 
* .gitignore: Ignore tiny-mes and tiny .mo's.
* doc/examples/tiny-mes.c: Simplify.
* doc/examples/mini-mes.c: Use simplifications from tiny-mes.
* doc/examples/t.c (read_test, struct_test): New functions.
  (test): Add tests for arena, g_cells globals.
* module/mes/elf-util.mes (dec->hex): New function.
  (lambda/label->list): Add text-address parameter.  Update callers.
* module/language/c99/compiler.mes (make, info, clone): Add init field.
  (.init): New function.
  (ident->accu): Add exceptions for globals.
* module/mes/elf-util.scm: Export it.
* module/mes/libc-i386.mes (i386:accu->base-ref,
  i386:byte-accu->base-ref, i386:accu->base-ref+n,
  i386:accu->global-ref, i386:global-ref->accu, i386:global-ref->base,
  i386:global-add, i386:global->accu):, i386:local-ref->accu,
  i386:local-ptr->accu, i386:local-ptr->base): New functions.
* module/mes/libc-i386.scm: Export them.
 2017-01-29 15:22:39 +01:00
Jan Nieuwenhuizen 61e14e6e24 mini-mes: gcc: run (cons 0 1). 2017-01-18 07:38:45 +01:00
Jan Nieuwenhuizen c210959c49 mescc: Read and display sexp dumped by mes. 
* lib.c (dump)[MES_HACK]: Dump small hello-world sexp, to be handled by
* doc/examples/tiny-mes.c (display_): New function.
* module/mes/libc-i386.mes (i386:accu->base, i386:mem->accu,
  i386:mem+n->accu): New functions.
* module/mes/libc-i386.scm: Export them.
* GNUmakefile (mes-32): New target.
 2017-01-10 20:05:47 +01:00
Jan Nieuwenhuizen 11f7f67a45 mescc: Support switch. 
* module/language/c99/compiler.mes (case->jump-info): New function.
  (ast->info): Use it.
* doc/examples/t.c (swits): Test it.
 2017-01-17 19:03:08 +01:00
Jan Nieuwenhuizen 6ffca4bf61 mescc: Add open/read C-tests. 
* scaffold/m.c: New file.
* scaffold/tiny-mes.c: New file.
* GNUmakefile (m, tiny-mes): New targets.
* scaffold/micro-mes.c: Update gcc-libc bits.
* scaffold/mini-mes.c: Likewise.
 2017-04-02 12:10:38 +02:00
Jan Nieuwenhuizen c3eacb58df mescc: Support ?. 
* module/language/c99/compiler.mes (ast->info): Support cond-expr.
* scaffold/t.c (test): Test it.
 2017-01-10 20:27:44 +01:00
Jan Nieuwenhuizen b98a2dda6e mescc: Handle && in if and while. 
* scaffold/t.c (test): Add strcmp tests.
* module/language/c99/compiler.mes (expr->arg):
  (test->jump->info): New function.
  (ast->info): Use it.
* module/mes/libc-i386.mes (i386:global->accu):
  (i386:base-mem->accu): Rename from i386:mem->accu.
  (i386:byte-base-mem->accu): Rename from i386:base-mem->accu.
  (i386:accu-not, i386:global->accu, i386:xor-accu): New functions.
* module/mes/libc-i386.scm: Export them.
 2017-01-08 17:51:40 +01:00
Jan Nieuwenhuizen 7667fb95c0 mescc: Proper support for i++,++i,i--,--i. 
* module/language/c99/compiler.mes (ast->info): Bugfix: locals.
  Add i--, --i.  Properly support i++, ++i.
* module/mes/libc-i386.mes (i386:function-locals): Support 8 local vars.
* scaffold/t.c (test): Test it.
 2017-01-07 21:53:12 +01:00
Jan Nieuwenhuizen c83ef66265 mescc: Beginning of expression and test template. 
* scaffold/t.c: New file.
* GNUmakefile (mescc-check, t-check): New targets.
* module/language/c99/compiler.mes (write-any): Catch weirdness.
  (make): Add <function> slot.
  (.function): New accessor.
  (clone): Handle it.
  (function->info): Set it.
  (ast->info): Make tests generic in if, for, while.  Add goto, label,
  !, ==, !=, -, &&.
* module/mes/elf-util.mes (lambda/label->list): New function.
  (text->list): Use it.
  (functions->text, function-prefix): New function.
  (function-offset): Use it.
  (label-offset): New function.
* module/mes/elf-util.scm (mes): Export them.
* module/mes/elf.mes (make-elf): Use text->list.
* module/mes/libc-i386.mes (eputs, puts): Remove.
  (i386:byte-base-sub): Rename from sub-byte-base.
  (i386:byte-jump-z): Rename from i386:Xjump-byte-z.
  (i386:byte-mem->accu): Rename from i386:Xmem-byte->accu.
  (i386:byte-mem->base): Rename from i386:Xmem-byte->base.
  (i386:accu->local, i386:accu-non-zero?, i386:accu-zero?,
  i386:base-sub, i386:byte-sub-base, i386:jump-c, i386:jump-cz,
  i386:jump-nc, i386:jump-ncz, i386:byte-mem->base, i386:sub-base,
  i386:test-accu, i386:test-base, i386:test-jump-z, i386:value->base,
  i386:xor-zf): New functions.
 2017-04-02 12:23:00 +02:00
Jan Nieuwenhuizen 8d1e001ab2 mescc: Have micro-mes use strcmp to print help. 
* doc/examples/micro-mes.c (main): Add --help.
* module/language/c99/compiler.mes (info?): New function.
  (expr->accu): Handle function call and sub.
  (ast->info): Handle if not, and, de-ref, eq, sub, return f ().
* module/mes/libc-i386.mes (i386:accu-zero?, i386:Xmem-byte->accu,
  i386:Xmem-byte->base, i386:jump-byte-nz, i386:jump-byte-z,
  i386:test-byte-base, i386:Xjump-byte-z, i386:sub-byte-base): New
  functions.
* module/mes/libc-i386.scm: Export them.
 2017-01-06 00:20:05 +01:00
Jan Nieuwenhuizen 38dc229a01 mescc: Have micro-mes use if not to segfault. 
* module/language/c99/compiler.mes (write-any): Check explicitly on
  number?, report error otherwise.
  (statement->text+symbols+locals): Remove statement-offset.
  Handle compounds.  Handle very specific if.
  (function->symbols): Remove unused text-offset.
* doc/examples/micro-mes.c (main): If argc > 1 print argv1.  Fixes
  segfault :-)
* module/mes/elf-util.mes (symbols->text): Loop rather than map,
  feed text-offset.
* module/mes/libc-i386.mes (i386:local-test, i386:jump-le): New
  functions.
* module/mes/libc-i386.scm: Export them.
 2017-01-03 18:22:56 +01:00
Jan Nieuwenhuizen 296449c615 mescc: Have micro-mes print argv. 
* module/language/c99/compiler.mes (expr->arg): Bugfix argv: Use
  size=4 (int).
  (statement->text+symbols+locals): Bugfixes: array-ref, initialize with
  immediate, initialize with local.
  (formals->locals): Bugfix: formals counted down from -1 [WAS: down to
  -1].
* module/mes/libc-i386.mes (i386:call): Reverse args pushes to match
  formals index changes.
  (i386:write): Update for changed formals push order.
  (i386:mem->accu, i386:value->accu): New functions.
* module/mes/libc-i386.scm (mes): Export them.
* doc/examples/micro-mes.c (eputs, puts, fputs): Make identical with
  mescc's implementations.
  (main): Print argv[0] and (unconditionally; crash if not given) argv[1].
 2017-01-03 12:33:34 +01:00
Jan Nieuwenhuizen 01177f7324 mescc: Have micro-mes print argc. 
* module/language/c99/compiler.mes (accu->ident): New function.
  (statement->text+symbols+locals): Use it to implement initialization
  with immediate, local.
  (_start): Call main with argc,argv [WAS: 0,0].
* module/mes/libc-i386.mes (i386:push-accu, i386:accu->local): New
  functions.
* module/mes/libc-i386.scm: Export them.
* doc/examples/micro-mes.c (main): Return argc as exit status.
 2017-01-03 12:52:59 +01:00
Jan Nieuwenhuizen 109cbdd1e7 mescc: Formals, local variables. 
* module/language/c99/compiler.mes (statement->text+symbols+locals):
  Rename from statement->text+symbols.  Handle locals.
  (formals->text): Add proper function preamble.
  (formals->locals): Add formals as locals.
  (expr->accu, ident->accu, ident->base, ident-ref, global-ref): New
  functions.
  (strlen, eputs, fputs, puts): New functions.
  (libc): New variable.
  (i386:libc): Rename from libc.  Remove eputs and puts.
* module/mes/libc-i386.mes (i386:eputs, i386:puts: Remove.
  (i386:call, i386:ret): Handle locals as argument.
  (i386:function-locals, i386:function-preamble, i386:jump,
  i386:local->accu, i386:local-add, i386:local-assign,
  i386:local->base, i386:ref-global, i386:ref-local, i386:ret-local,
  i386:mem-byte->accu, i386:test-jump, i386:write): New functions.
* module/mes/libc-i386.scm: Export them.
 2017-01-02 23:21:33 +01:00
Jan Nieuwenhuizen 0315d42306 mini-mes: Parse with Nyacc. 
* doc/examples/mini-mes.c: Parse with Nyacc.
 2017-01-02 07:50:44 +01:00
Jan Nieuwenhuizen 8989dab8b0 mescc: Scaffolding of Nyacc compile experiments. 
* scaffold/micro-mes.c: New file.
* scaffold/mini-mes.c: New file.
* GNUmakefile (mini-mes, micro-mes): New targets.
* .gitignore: Ignore them.
 2017-04-02 12:01:33 +02:00