Inspired by a patch from rain1 for foo->bar[baz].
* module/language/c99/compiler.mes (expr->accu):
(expr->accu*): Consider field size for foo.bar[baz].
* scaffold/tests/7a-struct-char-array.c: Test it.
* make.scm (add-scaffold-test): Build it.
* scaffold/tests/79-int-array.c: Test it.
* make.scm (add-scaffold-test): Build it.
* module/language/c99/compiler.mes (init-declr->count): New function.
(decl->info): Support int foo[bar] = {baz,...}.
* module/language/c99/compiler.mes (decl->info): Support struct inside union.
* scaffold/tests/78-union-struct.c: Test it.
* make.scm (add-scaffold-test): Build it.
* module/language/c99/compiler.mes (expr->base*): New function.
(expr->accu): Use it to have value in accu for assignments.
* scaffold/tests/77-pointer-assign.c (test): Test it.
* stage0/x86.M1 (mov____%ecx,(%edx), mov___(%eax),%ecx): New define.
* module/mes/as-i386.mes (accu-mem->base->mem): New function.
(i386:byte-base->accu-mem+n):
(i386:byte-base->accu-mem):
(i386:base-mem->accu-mem):
(i386:base->accu-mem):
(i386:value->accu-mem+n):
(i386:value->accu-mem):
(i386:accu->base-mem+n):
(i386:byte-accu->base-mem):
(i386:accu->base-mem): Rename from accu-address, base-address.
Update callers.
* module/mes/as-i386.scm (mes): Update exports.
* module/language/c99/compiler.mes (decl->info): Support foo *bar[baz].
* module/language/c99/compiler.mes (push-global): Support push of -2,
-1. Change signature to take info. Update callers.
(push-global-address): Change signature to take info. Update callers.
* module/language/c99/compiler.mes (expr->accu): Support size for more expressions.
(expr->pointer):
(expr->size): Support more expressions.
* scaffold/tests/77-pointer-assign.c (add0): Test it.
* module/language/c99/compiler.mes (expr->accu): Thinko for de-ref assign.
* stage0/x86.M1: Fix typos.
* module/mes/as-i386.mes: Update for typos.
* scaffold/tests/77-pointer-assign.c: Test it.
* make.scm (add-scaffold-test): Build it.
* module/language/c99/compiler.mes (ident->size, expr->size): New function.
(expr->accu): Use them for ++,--,add, sub.
(i386:type-alist): Set void size to 1.
* scaffold/tests/71-struct-array.c (test):
* scaffold/tests/76-pointer-arithmetic.c: Test it.
* make.scm (add-scaffold-test): Build it.
* module/language/c99/compiler.mes (struct-field): Update pointer
info.
(field:name,field:pointer,field:size,field:type): Rely on pointer
info.
(field:pointer): New function.
(expr->accu): Use it.
* scaffold/tests/71-struct-array.c (test): Test it.
* module/language/c99/compiler.mes (struct-field): Add struct tag to
struct/union types.
(field-type, field-size, field-offset, field-field, ast-type->type):
Ascertain struct tag with type.
* (expr->accu*): Do not add struct tag.
* scaffold/tests/75-struct-union.c: Test it.
* scaffold/tests/71-struct-array.c: Update.
* module/language/c99/compiler.mes (init-declr->pointer): Use -1 for array.
(expr->accu): Implement foo[i].bar.baz.
* scaffold/tests/72-typedef-struct-def.c (test): Test it.
* module/language/c99/compiler.mes (field:name): New function.
(decl->info): Use it.
(struct-field): Support anonymous union.
(field:size): Update.
(field-field): Update.
(field-offset): Update.
* module/mes/as-i386.mes (i386:accu-not): New function.
(i386:accu-negate): Rename from i386:accu-not.
* module/mes/as-i386.scm (mes): Export them.
* module/language/c99/compiler.mes (expr->accu): Support ~, ^=.
* scaffold/tests/60-math.c (test): Test it.
* stage0/x86.M1 (not____%eax): New define.
* module/language/c99/compiler.mes (initzer->value): New function.
(initzer->data): Use it to support bitwise-or initializer.
* scaffold/tests/74-multi-line-string.c (test): Test it.
