Files
sx/examples/0803-memory-push-context-with-arena.sx
agra 4e942b5373 test: migrate examples to XXXX-category-name layout + split expected streams
Rename all example tests/companions to the XXXX-category-test-name scheme
(per-category 100-blocks: basic 0010, types 0100, ... errors 1000,
diagnostics 1100, ffi 1200, ffi-objc 1300, ffi-jni 1400, vectors 1500,
platform 1600). Companions and dir/C fixtures move in lockstep with their
parent test; #import/#source/#include paths rewritten to match.

Expected output now lives in examples/expected/ (a sibling dir of the
tests) split into three streams per the new convention:
  <name>.exit / <name>.stdout / <name>.stderr  (+ optional <name>.ir)

run_examples.sh rewritten: scans examples/ and issues/ for an
expected/<name>.exit marker, captures stdout and stderr separately (no
more 2>&1), compares each stream + exit + optional IR snapshot.

Behavior validated unchanged: every renamed test reproduces its prior
merged output + exit (diffs limited to file paths/basenames embedded in
diagnostics + traces, which correctly reflect the new names). Suite:
292 passed, 0 failed. 50-smoke.sx split + issue relocation + docs follow
in subsequent commits.
2026-06-01 19:05:15 +03:00

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// `push <Context>` where Context's first field is an `#inline` protocol
// (`allocator: Allocator`) and the value being pushed is an `Arena` upcast to
// that protocol. Exercises save/restore of the boxed context across the push.
#import "modules/std.sx";
#import "modules/allocators.sx";
main :: () -> void {
arena := Arena.init(context.allocator, 4096);
new_ctx := Context.{ allocator = xx arena, data = context.data };
push new_ctx {
ptr := context.allocator.alloc(128);
out("inside push\n");
}
out("after push\n");
}