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owner ended and was declared; vscode client passes relatedInformation through
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end; borrows clause for prototypes, definitions, externs and function types, checked against the body
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owner ended (freed, moved, .d parameter, push, global, reassignment), with fixtures
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plain blocks
a call to rt.new_k / rt.recycle_leaf with a constant class, or to rt.own,
does its class-list pop or push (or owner store) inline and goes on after
the call; an empty list, memdebug, a held range, a block outside memory, a
translated word or a type/class mismatch takes the ordinary call. in a
region this replaces the o3_invoke round trip. o3 frees of leaf objects now
use recycle_leaf too (new_k stamps the type inside o3 since b86db60).
ZYNOFASTALLOC=1 turns it off; ZYPERFMAP=1 writes a perf map of translated code.
tests/programs/o3_freelist.zc: reuse, zeroing, an empty list, untyped
neighbours, memdebug; jit vs ZYNOFASTALLOC vs ZYO3INTERP.
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Restoring undirtied lafacts when the body might free was wrong: push can
grow an array without dirtying its name, so a[99] after push warned against
a stale length 0. Keep the old lafact_keep rule; reorder explain_prover so
the constant/affine cases run before the touch() loops.
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Rebased the prover WIP onto main. lafact_keep restores undirtied allocation
facts even when the loop body might free (so a later touch() no longer drops
every length fact). proven_p uses ptr_still so an outer call keeps the check.
entry_fact still supplies the size for the "might free" explain reason.
bounds_prover.zc and explain_prover.zc land with test.sh coverage.
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affine i*n+k); unbuilt and untested
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value first, running its drop (right side first, then the free, then the store), with hint: x: reassigning frees the old value; a new value that is part of the old one is an error; u, d and captured owners keep the leak error; the new value's size, leaf type and drop are recorded like a declaration's; spec 6.8.5, 6.15.2
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methods, collector drops after the sweep (once, resurrection), freed blocks forget their drop, temporaries drop at statement end with a hint, actor send check; o3: no collection inside a region (pending until the outermost exit), no drops set or ended inside o3; spec 3.11.6, 4.10.3-4, 6.15
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capture_scan in the body scanner
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compiled only in that mode; the genome keeps the call sites and a hook
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--explain-checks v1 (non-o3 code)
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main in o3call, o3 tests expect no check, boundsrules, bounds_fixed, bounds_heap and zc0unbounded tests
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defer expr; and defer { ... } register code that runs when the enclosing
block ends: at the end of the block, and at return, break and continue
that leave it. the tokens are kept at the defer and compiled again at each
exit (block_close, body, kw_return, kw_break, kw_continue), newest first,
before the block's variables are released, so the analyzer sees a deferred
rt.free(p) as the transfer of p where it runs. names mean what they meant
at the defer; values are read when it runs. return, break and continue
inside a deferred statement are errors, reported once. works in unchecked
code and closures (own base per function context).
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src/compiler/compiler.zc is now twelve files under src/compiler/, listed in
order in src/compiler/parts. cat of the parts in order is byte-identical to
the old file, so every compiler and image except the language server's is
unchanged. no function was edited.
consumers read the list: the makefile, bootstrap-check, genmap (which still
writes one compiler.zc into a generated map directory), tinyvm.bat,
test.sh, test_win.ps1 and the lsp drivers. the language server embeds each
part and serves them joined as the one document tinyvm:/compiler.zc.
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zinc
