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parse: enforce strict-package — reject package-less files (#24a)

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Flip the soft-default to a hard "missing package clause" error symmetrically in
both stages (cmd/wcc/parse.c + lib/ww/syntax/parse.ww): the first real decl of a
primary section with empty pathmod/resetmod and no seen clause is now rejected.
Closes the documented soft-default divergence (the 63-wrapper carve-out).

The gate flip can't be split from the migration it breaks, so this is one atomic
commit: ~80 test/wcc wrappers gain `package main;` via a shared wwtestpkg.h
helper, 6 data fixtures plus 17 asm-grep assertions update for the bare->main.<leaf>
root-helper mangle shift, and rt/ declares `package rt;` with @symbol pinning the
bare rt_ensure/rt_malloc linker names.

Root mangling narrows: the executable entry `main` stays bare (existing
carve-out), but root helper symbols become main.X. The #84 cluster is rewritten
to assert main.run distinct from aa.run/test.run; its cgen fix and bare machinery
are retained — still load-bearing for package-less module-reset deps. New
table-driven test 782_strict_package.c (6 rows, both stages).

Retiring //ww:module-reset is deferred to #24b: it is load-bearing (clears the
.wwi pathmod so the body's package clause asserts), not a vestige; fusing its
removal here would be a silent mismatch.

All byte-id gates green; full make test reports "all 335 tests passed".
This commit is contained in:
Hojun-Cho
2026-06-29 03:55:26 +09:00
parent d34c90d932
commit 7b9488706b
95 changed files with 579 additions and 223 deletions
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16
test/wcc/989_septest_run.c
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@@ -41,6 +41,7 @@
#include <sys/wait.h>
#include <sys/stat.h>
#include <dirent.h>
#include "wwtestpkg.h"
static int
runwait(const char *cmd)
@@ -114,7 +115,7 @@ write_file(const char *path, const char *body)
{
FILE *f = fopen(path, "wb");
if (!f) return -1;
fputs(body, f);
wwtest_fputs(body, f);
fclose(f);
return 0;
}
@@ -196,12 +197,13 @@ static struct tcase cases[] = {
/* a non-`fn() void` @test signature must loud-reject, not be coerced. */
{ "badsig", NULL, "test/wcc/data/attest_badsig.ww", 0, 0, 1 },
/* a user `fn run` COEXISTS with lib/test's bound runner (post-#80 synth
* `use test;` keys the runner under "test", #84 mangles the user `run`
* bare) → accept and run to exit 0. Under sep the two land in distinct
* units (`run` in __root.s, `test.run` in test.s), so a regressed #84
* collision re-mangles the user `run` to `test.run` and the force-loaded
* root `.o` + test's `.a` both define `test.run` → w6l duplicate-symbol
* → non-zero; exit 0 is the teeth (empirically confirmed). byteid=1 also
* `use test;` keys the runner under "test"; under strict-package #24a the
* user file's `package main;` mangles its `run` to `main.run`) → accept
* and run to exit 0. Under sep the two land in distinct units (`main.run`
* in __root.s, `test.run` in test.s), so a regressed collision re-mangles
* the user `run` to `test.run` and the force-loaded root `.o` + test's
* `.a` both define `test.run` → w6l duplicate-symbol → non-zero; exit 0
* is the teeth (empirically confirmed). byteid=1 also
* pins this coexist path's cs==ww per-pkg asm + synth presence — the
* rule-10 leg the ported 997 `coexist_run` carried over the #84 mangle. */
{ "collide_run", NULL, "test/wcc/data/attest_userrun.ww", 0, 1, 0 },