Files
ww/test/wcc/400_w6c.c
Hojun-Cho 7b9488706b parse: enforce strict-package — reject package-less files (#24a)
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".
2026-06-29 03:55:26 +09:00

92 lines
2.5 KiB
C

/*
* 400_6c — codegen smoke tests. Each row supplies a tiny ww source
* and a list of substrings expected in the emitted .s. We don't
* golden-match the whole file (too brittle); we just verify that
* key opcodes and operand shapes show up.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "wwtestpkg.h"
static int
run6c(const char *src, char **out)
{
char path[64];
snprintf(path, sizeof path, "/tmp/wwt_%d.ww", getpid());
FILE *f = fopen(path, "wb");
if (f == NULL) return -1;
wwtest_fputs(src, f);
fclose(f);
char cmd[256];
const char *bin = getenv("BIN");
if (!bin) bin = "out/bin";
snprintf(cmd, sizeof cmd, "%s/w6c %s 2>&1", bin, path);
FILE *p = popen(cmd, "r");
if (p == NULL) { unlink(path); return -1; }
size_t cap = 4096, n = 0;
char *buf = malloc(cap);
int c;
while ((c = fgetc(p)) != EOF) {
if (n + 1 >= cap) { cap *= 2; buf = realloc(buf, cap); }
buf[n++] = (char)c;
}
buf[n] = '\0';
int rc = pclose(p);
unlink(path);
*out = buf;
return rc;
}
static int
contains(const char *hay, const char *needle)
{
return strstr(hay, needle) != NULL;
}
struct row { const char *src; const char *needle; };
static const struct row rows[] = {
{ "fn main() i32 = { return 42; };", "MOVQ\t$42, AX" },
{ "fn main() i32 = { return 42; };", "RET" },
{ "fn id(x: i32) i32 = { return x; };","MOVQ\tDI, -8(BP)" },
{ "fn add(a: i32, b: i32) i32 = { return a + b; };", "ADDQ\tBX, AX" },
{ "fn sub(a: i32, b: i32) i32 = { return a - b; };", "SUBQ\tBX, AX" },
{ "fn mul(a: i32, b: i32) i32 = { return a * b; };", "IMULQ\tBX, AX" },
{ "fn neg(x: i32) i32 = { return -x; };", "NEGQ\tAX" },
{ "fn cmp(a: i32, b: i32) bool = { return a == b; };", "CMPQ\tBX, AX" },
{ "fn cmp(a: i32, b: i32) bool = { return a == b; };", "JE" },
{ "fn cond(x: i32) i32 = { if (x > 0) { return 1; }; return 0; };",
"CMPQ\t$0, AX" },
{ "fn lo() void = { for (let i: i32 = 0; i < 10; i += 1) { }; };", "JMP" },
{ "fn callit() i32 = { return 1; };", "TEXT main.callit,$0" },
};
int
main(void)
{
int n = sizeof rows / sizeof rows[0];
int fail = 0;
for (int i = 0; i < n; i++) {
char *out = NULL;
int rc = run6c(rows[i].src, &out);
if (rc != 0) {
fprintf(stderr, "row %d: w6c rc=%d\n", i, rc);
fail++;
free(out);
continue;
}
if (!contains(out, rows[i].needle)) {
fprintf(stderr, "row %d: missing '%s' in:\n%s\n",
i, rows[i].needle, out);
fail++;
}
free(out);
}
if (fail) { fprintf(stderr, "%d/%d w6c tests failed\n", fail, n); return 1; }
printf("w6c: %d/%d ok\n", n, n);
return 0;
}