Hojun-Cho
c7d9dc92de
Build w6a and w6l from package-main directories and expose the wcc backend through a narrow package API so w6c and wwdump no longer import implementation files. Retarget the remaining load-bearing fixtures and example sources to directory packages; retain the one intentional flat compiler collision as an explicitly composed raw unit.
283 lines
10 KiB
Plaintext
283 lines
10 KiB
Plaintext
package collide_test;
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// Cross-module leaf-name collision observers on both driver stages.
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// Ports of the retired native carriers test/wcc/989_fnptrcollide_run.c
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// and 989_barefn_collide_run.c; every assertion preserved.
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//
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// fnptrcollide (#14 F7-c7) — a data global `slot: i64` whose LEAF
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// collides with the imported fn bar.slot must FAIL to build on BOTH
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// stages: type-keyed nodefnptr refuses to fold `&slot` into the fn's
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// TEXT reloc. Pre-fix wwstage was name-keyed and silently BUILT it
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// (a DATAR to the fn symbol — cat-A: cs loud-fails, ww builds). The
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// collision REQUIRES the import path (imported fn leaf vs local data
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// global), so a single-file fixture cannot express it.
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//
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// barefn (#84/#24a) — a `package main;` root `fn run` coexists with
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// imported aa.run: build+run exit 9 on BOTH stages (the user's
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// main.run wins, never aa.run=5); the concatenated
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// __root.s+aa.s (fixed #93 sep order) carries EXACTLY ONE
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// `TEXT main.run,` and EXACTLY ONE `TEXT aa.run,` (distinct symbols,
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// no #31-class w6l-tolerated duplicate, no silently-dead bare fn);
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// cs==ww byte-for-byte (rule 10).
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//
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// Dropped C machinery, not assertions: the ww_ww-absent skip gate
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// (the Make target declares both drivers), the shell `timeout 240`
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// (runcommand's deadline carries it), and the unlink/rmdir accounting
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// (testenv.clean asserts the removal).
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import os;
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import os.exec;
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import strings;
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import testenv;
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import time;
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fn fail(label: str, why: str) void = {
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let m: str = strings.concat("collide FAIL: ", label, " -- ", why,
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"\n");
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os.write(2, m.ptr, m.len: u64);
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assert(false);
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};
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fn tmo() time.duration = {
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return (240i64 * (time.second: i64)): time.duration;
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};
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// -1 encodes an abnormal (non-EXIT) termination, never a valid code.
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fn runcode(dir: str, name: str, argv: []str) i32 = {
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let co: testenv.commandout;
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testenv.runcommand(dir, dir, name, argv, tmo(), &co);
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if (co.termination != exec.termination.EXIT) { return -1; };
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return co.code;
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};
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@test fn fnptrcollide() void = {
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let drvs: []str = ["ww", "ww_ww"];
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let i: i32 = 0;
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for (i < 2) {
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let td: str = testenv.fresh();
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assert(os.mkdir(strings.concat(td, "/bar"), 493) == 0);
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testenv.writefile(strings.concat(td, "/bar/bar.ww"),
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strings.concat(
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"package bar;\n",
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"export fn slot() i64 = { return 99; };\n"));
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testenv.writefile(strings.concat(td, "/main.ww"), strings.concat(
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"package main;\n",
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"import bar;\n",
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"let slot: i64 = 7;\n",
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"let fp: *i64 = &slot;\n",
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"export fn main() int = { return (*fp): int; };\n"));
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let av: []str = [testenv.driver(drvs[i]), "build", "-I", "bar",
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"main.ww"];
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if (runcode(td, strings.concat("build_", drvs[i]), av) == 0) {
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fail("fnptrcollide", strings.concat(drvs[i], " built ok, ",
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"expected the leaf-name collision to be rejected (#14 -- ",
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"&slot mis-folded to the fn TEXT reloc)"));
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};
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testenv.clean(td);
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i += 1;
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};
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};
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// __root.s then aa.s: the carrier's fixed #93 sep concat order.
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fn catfixed(stem: str) str = {
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return strings.concat(
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testenv.readfile(strings.concat(stem, ".sepwork/__root.s")),
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testenv.readfile(strings.concat(stem, ".sepwork/aa.s")));
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};
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// column-0 anchored label lines; the '\n' prepend counts a file-leading
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// label too.
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fn textcount(s: str, sym: str) i32 = {
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return testenv.occurrences(strings.concat("\n", s),
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strings.concat("\nTEXT ", sym, ","));
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};
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@test fn barefn() void = {
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let td: str = testenv.fresh();
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assert(os.mkdir(strings.concat(td, "/aa"), 493) == 0);
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testenv.writefile(strings.concat(td, "/aa/aa.ww"), strings.concat(
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"package aa;\n",
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"export fn run() i32 = { return 5; };\n"));
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testenv.writefile(strings.concat(td, "/root.ww"), strings.concat(
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"package main;\n",
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"import aa;\n",
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"fn run() i32 = { return 9; };\n",
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"export fn main() i32 = { return run(); };\n"));
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let drvs: []str = ["ww", "ww_ww"];
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let tags: []str = ["cs", "ww"];
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let asms: []str = ["", ""];
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let s: i32 = 0;
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for (s < 2) {
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let stem: str = strings.concat(td, "/prog.", tags[s]);
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let av: []str = [testenv.driver(drvs[s]), "build", "-o", stem,
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"-I", td, strings.concat(td, "/root.ww")];
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if (runcode(td, strings.concat("build_", tags[s]), av) != 0) {
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fail("barefn", strings.concat(drvs[s], " build failed"));
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};
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let rav: []str = [stem];
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if (runcode(td, strings.concat("run_", tags[s]), rav) != 9) {
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fail("barefn", strings.concat(drvs[s], " exit != 9 ",
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"(user main.run must win, not aa.run=5)"));
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};
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asms[s] = catfixed(stem);
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if (textcount(asms[s], "main.run") != 1
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|| textcount(asms[s], "aa.run") != 1) {
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fail("barefn", strings.concat(drvs[s], " TEXT label counts ",
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"!= 1/1 (user main.run distinct from import, no dup)"));
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};
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s += 1;
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};
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if (!testenv.same(asms[0], asms[1])) {
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fail("barefn", "cs .s != ww .s (rule 10)");
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};
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testenv.clean(td);
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};
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// barevalue (#55 cgen-side sibling) — the migrated 794 compiler carrier
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// (test/wcc/794_xmod_ident_prefer.c, retired with this row; its header
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// documents both #55 halves). A bare VALUE ident read inside an
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// imported module must be classified by the checker-stamped type, not
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// a unit-wide leaf table: aa exports `v: i32 = 7` and getv() reads the
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// bare `v`; the root declares a same-leaf `fn v() i64`. This compiler
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// collision requires one explicitly composed raw unit; directory packages
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// correctly isolate the leaf tables and the driver no longer folds source
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// imports. Pre-fix wwstage cgen took fnretlookup's leaf
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// fallback and emitted `LEAQ aa.v(SB)` (fn address, no load) — the
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// binary exited 0; cstage loads 7 (LEAQ+MOVSXD). Both compilers must
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// emit byte-identical assembly and the raw fixture must run 7.
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@test fn barevalue() void = {
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let td: str = testenv.fresh();
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let unit: str = strings.concat(td, "/barevalue.unit.ww");
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testenv.writefile(unit, strings.concat(
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"//ww:module aa\n",
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"package aa;\n",
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"export let v: i32 = 7;\n",
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"export fn getv() i32 = {\n",
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" return v;\n",
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"};\n",
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"//ww:module-reset\n",
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"package main;\n",
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"import aa;\n",
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"fn v() i64 = { return 100; };\n",
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"export fn main() i32 = {\n",
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" return aa.getv();\n",
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"};\n"));
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let comps: []str = ["w6c", "w6c_ww"];
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let tags: []str = ["cs", "ww"];
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let asms: []str = ["", ""];
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let s: i32 = 0;
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for (s < 2) {
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asms[s] = strings.concat(td, "/", tags[s], ".s");
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let av: []str = [testenv.driver(comps[s]), "-o", asms[s], unit];
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if (runcode(td, strings.concat("build_", tags[s]), av) != 0) {
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fail("barevalue", strings.concat(comps[s], " compile failed"));
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};
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s += 1;
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};
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if (!testenv.same(testenv.readfile(asms[0]), testenv.readfile(asms[1]))) {
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fail("barevalue", "cs .s != ww .s (rule 10)");
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};
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let obj: str = strings.concat(td, "/barevalue.o");
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let aav: []str = [testenv.driver("w6a"), "-o", obj, asms[0]];
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if (runcode(td, "assemble", aav) != 0) { fail("barevalue", "w6a failed"); };
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let prog: str = strings.concat(td, "/barevalue");
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let lav: []str = [testenv.driver("w6l"), "-o", prog, obj,
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strings.concat(testenv.repo(), "/out/lib/libwwrt.a")];
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if (runcode(td, "link", lav) != 0) { fail("barevalue", "w6l failed"); };
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let rav: []str = [prog];
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if (runcode(td, "run", rav) != 7) {
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fail("barevalue", "bare v loaded the foreign fn address");
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};
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testenv.clean(td);
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};
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// defshadow — corner (c) of the same class: a foreign scalar `def`
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// leaf colliding with a curmod fn. The def arm ran BEFORE
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// fn-classification in wwstage cgident (cstage checks TY_FN first),
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// so the bare `MSG` fn value read `MOVQ main.MSG(SB)` data where
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// cstage takes the fn address; the qualified `p5aa.MSG` data read hit
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// the mirror corner (d) in cgdot. Runtime pre-fix: 141, want 42.
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@test fn defshadow() void = {
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let td: str = testenv.fresh();
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assert(os.mkdir(strings.concat(td, "/p5aa"), 493) == 0);
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testenv.writefile(strings.concat(td, "/p5aa/p5aa.ww"), strings.concat(
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"package p5aa;\n",
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"export def MSG: i32 = 3;\n"));
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testenv.writefile(strings.concat(td, "/main.ww"), strings.concat(
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"package main;\n",
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"import p5aa;\n",
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"fn MSG(x: i32) i32 = { return x + 40; };\n",
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"export fn main() i32 = {\n",
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" let f = MSG;\n",
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" return f(2) + p5aa.MSG - 3;\n",
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"};\n"));
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let drvs: []str = ["ww", "ww_ww"];
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let tags: []str = ["cs", "ww"];
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let asms: []str = ["", ""];
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let s: i32 = 0;
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for (s < 2) {
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let stem: str = strings.concat(td, "/prog.", tags[s]);
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let av: []str = [testenv.driver(drvs[s]), "build", "-o", stem,
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"-I", td, strings.concat(td, "/main.ww")];
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if (runcode(td, strings.concat("build_", tags[s]), av) != 0) {
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fail("defshadow", strings.concat(drvs[s], " build failed"));
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};
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let rav: []str = [stem];
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if (runcode(td, strings.concat("run_", tags[s]), rav) != 42) {
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fail("defshadow", strings.concat(drvs[s], " exit != 42 ",
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"(bare MSG is the curmod fn; p5aa.MSG is the ",
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"foreign data def)"));
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};
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asms[s] = testenv.readfile(strings.concat(stem,
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".sepwork/__root.s"));
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s += 1;
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};
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if (!testenv.same(asms[0], asms[1])) {
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fail("defshadow", "cs .s != ww .s (rule 10)");
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};
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testenv.clean(td);
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};
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// modqualfnval — corner (d) positive twin: a module-QUALIFIED fn used
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// as a value must still take the address arm under the stamped-type
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// gate (proves the checker stamps the N_DOT fn rvalue as TY_FN).
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@test fn modqualfnval() void = {
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let td: str = testenv.fresh();
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assert(os.mkdir(strings.concat(td, "/p6aa"), 493) == 0);
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testenv.writefile(strings.concat(td, "/p6aa/p6aa.ww"), strings.concat(
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"package p6aa;\n",
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"export fn hit(x: i32) i32 = { return x + 40; };\n"));
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testenv.writefile(strings.concat(td, "/main.ww"), strings.concat(
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"package main;\n",
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"import p6aa;\n",
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"export fn main() i32 = {\n",
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" let f = p6aa.hit;\n",
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" return f(2);\n",
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"};\n"));
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let drvs: []str = ["ww", "ww_ww"];
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let tags: []str = ["cs", "ww"];
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let asms: []str = ["", ""];
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let s: i32 = 0;
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for (s < 2) {
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let stem: str = strings.concat(td, "/prog.", tags[s]);
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let av: []str = [testenv.driver(drvs[s]), "build", "-o", stem,
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"-I", td, strings.concat(td, "/main.ww")];
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if (runcode(td, strings.concat("build_", tags[s]), av) != 0) {
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fail("modqualfnval", strings.concat(drvs[s],
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" build failed"));
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};
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let rav: []str = [stem];
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if (runcode(td, strings.concat("run_", tags[s]), rav) != 42) {
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fail("modqualfnval", strings.concat(drvs[s],
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" exit != 42"));
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};
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asms[s] = testenv.readfile(strings.concat(stem,
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".sepwork/__root.s"));
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s += 1;
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};
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if (!testenv.same(asms[0], asms[1])) {
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fail("modqualfnval", "cs .s != ww .s (rule 10)");
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};
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testenv.clean(td);
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};
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