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(b.1.9 left for Acorn's decision)
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constant expressions (b.1.7, b.2.16); zc0 matches
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owner ended and was declared; vscode client passes relatedInformation through
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getline) with test, learn example and docs
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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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owned std.File (or null) with write and read, and its drop closes the descriptor; Host.writefile is built on it; file_drop.zc, learn and readme
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4.11, readme, memdebug_report_drop.zc
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left); the map constants in rt.zc and the README table move by 0x8000; gc.zc's reclaim bound is 900 (937 with the heap higher, 952 before) and the run-only section rewrites whatever its number
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check, docs (readme, spec 4.15 and friends, server, vscode), conformance and test.sh fixes, todo
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so switching rebuilds zy, check llvm with a test link
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NOLLVM=1 turns it off
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x86-64 jit, docs, measurements, tests; default genome reservation 0x68000
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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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also: ca_owners in the language server keeps the owner order in a fixed
array instead of a heap list the analyzer rejected.
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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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Reference for lexing, types, expressions (full precedence table),
statements, declarations, the ownership analyzer and its messages,
compile-time execution and the runtime contract, with appendices for
the zc0 subset and for doc/implementation disagreements and bugs found
while checking the rules against build/bin/zy. Pointers added to
README.md and ONBOARD.md.
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bstr locals, globals, parameters and returns are byte strings for + , the
comparisons, indexing, slicing, len and put_s; b"..." globals; embed inside
a function. u, m and d are ordinary names: a recast is the letter with the
star touching it (u*x), tags .u .m .d are accepted on types and bare. an
enhancement named inside asm { } emits its opcode. zc0's image of the
genome and language server sources is unchanged.
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src/tools/parity.sh compiles each program of tests/programs, examples and
examples/learn with zc0 (runtime, program, mkgenome, a microcore with the image
embedded, kept under build/parity/) and runs it beside build/bin/zy < prog.zc,
then compares stdout. what zc0 rejects is skipped and counted. tests/parity.known
lists the differences that are by design (zc0 has no ownership analysis or
memdebug checks). make parity runs it. tests/programs/parity_ops.zc pins operator
precedence and associativity across every binary operator, unary operators,
assignment and short-circuit order; its output matches a c compiler's.
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typedef T name; binds name to the type record of T, at the top level or
in a function (scoped to its block). string is a built-in alias for char*.
A type name straight before , or ) in a parameter list is the parameter's
name, so fn f(string) still works. The language server shows typedef T
name; on hover and highlights typedef as a keyword.
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const NAME = e; inside a struct body declares a compile-time constant named
Struct.NAME, reached as Struct.NAME or by bare name in the struct's methods.
A misspelled field or Struct.name member now ends its error with
'; did you mean 'name'?' on the member word, which the language server
turns into a quick fix.
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every public declaration in src/lib/std.zc has a comment directly above it,
so the language server can show it. comments only; no code changed. the
comments now match the bodies: Host.env and Bytes.env report the characters
copied (at most n - 1), capture drops output past 256 characters, and Buf.set
can raise the length past the current end.
adds examples/std_tour.zc, which calls one or two functions from each group,
and points the README standard-library section at it.
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module
const name = value; inside a function declares a local constant that takes
the initializer's type. the let quick fix now writes a bare const.
the self-hosted compiler bound || tighter than &&, unlike zc0 and the
readme. no existing source mixed them without parentheses, so only new
code was affected.
missing-name diagnostics and their quick fixes now search every module:
rt, core, run, loaded files, and std, icon and actor scanned from source,
including static groups (std.Text.itoa). typos suggest module exports
(putc -> rt.put_c) and get a change-to fix.
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embed declarations get accept and reject fixtures, a run-only image check
through zc0, an lsp keyword hover and the grammar keyword. errors point at
the declaration and still declare the name, so its uses are not reported
again. zc0 tracks byte-string globals and lays embedded arrays out one word
per element, the way its own indexing reads them.
the command-line javascript vm reaches node's file system for the file
syscalls, so include and embed work there; other embedders opt in.
the web build is self-contained in build/web with its examples. README,
BORROW and BOOTSTRAP-OWNERSHIP describe the new build and ownership rules,
and ONBOARD.md is a reading and verification order for the code.
the suite passes the map header to mklayout, the wasm fuzz program uses
the include format, and lsp drivers scale their deadlines on hosts
without the arm64 jit (ZC_TEST_TIMEOUT_SCALE). LLVM_CONFIG selects an
llvm with headers for the llvm section.
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docs/history kept six stages with a full copy of the project under code/,
3.8 mb of sources duplicated from stage to stage and already superseded. store
them as docs/history/code-snapshots.tar.gz, 0.66 mb, and extract one in place
to read it. every stage's notes.md stays browsable, and the index says where the
code went and how to get it back.
the top-level README points at the archive too. its other two links into
docs/history, 21-micro and 35-bench, were notes that were never kept and do not
resolve; the index now records that.
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src/ carried 8.4 MB of build output: the genome header, the javascript vm and
its layout, and the language-server image, plus a second copy of the extension
server under editors/vscode/server/. none of it is source.
- move the genome from src/core/genome.h to build/core/genome.h and compile with
-Ibuild/core; `make all` bootstraps one when it is missing
- write genome.json, layout.ts, layout.js and lsp.json to build/js/
- compile tinyvm.ts to build/js/, typed by a tracked src/js/layout.d.ts so the
vm needs no generated file beside its source
- build the wasm server into build/editors/vscode/server/ and stage the whole
server into editors/vscode/server/ only while mkvsix.sh packages it
- redirect the test suite, image_run.js, tinyvm.sh, tinyvm.bat, test_win.ps1 and
the baremetal build at the new paths, and add make lspimage and make vsix
- stop tracking every generated file
also fix a build blocker: lookup_raw compared skind against K_VAR, which was
never declared, so `make genome` could not run at all. the guard is about
emitted program globals, which are K_GVAR and K_GARR.
tests/test.sh -q reports 159 passed and 21 failed both before and after this
change; every failure is pre-existing and comes from the checked-in genome being
stale relative to src/, plus the bootstrap above.
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Compiler and VM
- make every memory map limit dynamic and adjustable at both build time and
runtime, including compiler tables, stacks, and every execution region
- reserve and grow tables, operand and return stacks, frame segments, and
image-building output without relocating live code or globals
- rename i/o and string helpers consistently (puts -> put_s, putn -> put_n,
scat -> cat_s) across compiler, runtime, examples, tests, and docs
- recast and consume values assigned to globals from inside functions
- allow fixed and const together, add typed closure returns (fn:t(...)),
multi-include syntax (include rt, run, core;), and recurse type inference
- never infer string literals as word, anywhere, as argument, variable, or
return type
- draft docs/BORROW.md: a borrow checker less intrusive than Rust's but more
intelligent
LSP and editor integration
- require explicit includes and give every toolchain area its own namespace
(rt, lsp, run, core)
- hover for built-in types, inferred types, values known at hover time, array
and pointer lifetime/size, library names in include statements, and inferred
lifetimes with explanations
- honor /* */ comments as documentation for variables and arguments, and stop
misattributing section headers or trailing comments as variable hints
- stream diagnostics and cancel stale requests on change
- jump to definition and references, including cross-file
- quick fixes with automatic library import, and namespace completion
Hints and diagnostics
- render hints as blue squigglies by default, with hints on/small/off per file
- suppress magic-number hints via a preceding /* */ comment, and say so
- warn on unused arguments; allow multiple _ discards in parameters, pattern
matching, and tagged enums, warning if a _ is actually used
- rewrite hint and comment prose in professional compiler-doc register
Libraries
- add icon.zc: run-time self-modification, find/replace syntax, type and block
edits, and step-through inspection of locals and globals
- add actor.zc: async actors with Actor<I,O>, implicit this, spawn/recv/send,
injected into the compiler machinery at include time rather than built in
Tooling and docs
- reorganize sources, tests, and designs into subdirectories
- unify windows entry points in tinyvm.bat and add a matching tinyvm.sh
- add --help across the toolchain
- polish the learning guide, stdlib docs, and design notes
Tests
- add accept, reject, and regression coverage across the compiler, LSP,
- runtime, icon, actors, threads, formatting, and the toolchain contracts,
plus fuzzers and property tests
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zinc
Moon Flower
