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* genmap: default genome reservation 0x70000 words (the genome had 197 words ↵Gravatar zinc 13 days2-10/+10
| | | | 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
* compiler: a //:lines marker starts a new file, so unbounded; and unchecked; ↵Gravatar zinc 13 days1-1/+3
| | | | of the source before it end there: a program joined to the unbounded runtime in a self-hosted run-only image is bounds-checked again (since d55b5fd its index errors went unreported); runtime_image_test expects the trap's exit status 2; spec 4.15.1, 4.x unchecked, 5.15.3
* compiler: the drop globals' comment says mailbox send, so nothing the ↵Gravatar zinc 13 days1-1/+1
| | | | compiler reads mentions actors (test.sh check)
* rt: the free paths take one F_HASDROP test, and dropfree does the drop and ↵Gravatar zinc 13 days1-4/+4
| | | | the clearing out of line
* destructors: heap(v), drop(v, f) / v.drop(f) / v.drop = f, struct drop ↵Gravatar zinc 13 days6-9/+318
| | | | 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
* defer: any single statement (if/else, loops, switch, unchecked, unbounded), ↵Gravatar zinc 13 days1-4/+8
| | | | not just an expression or a block
* fndef: b.2.13 unnamed prototype parameters in fewer ops (402197 -> 402112 ↵Gravatar zinc 13 days1-9/+8
| | | | words, same behaviour)
* zy: a runtime trap exits 2 (rt.trap: index out of range, frame overflow, out ↵Gravatar zinc 13 days1-5/+8
| | | | of heap, bad pointer, use after free); compile errors stay 1; spec 8.1.3; exitstatus.sh checks exit 2
* detach doc comments on internal bounds helpers (genome size); todo: reuse ↵Gravatar zinc 13 days1-0/+19
| | | | capture_scan in the body scanner
* explain-checks: the record writer moves to src/lib/explain.zc, embedded and ↵Gravatar zinc 13 days4-54/+76
| | | | compiled only in that mode; the genome keeps the call sites and a hook
* bounds: body scan, loop-entry hoisting, pointer proofs from requested size, ↵Gravatar zinc 13 days9-15/+397
| | | | --explain-checks v1 (non-o3 code)
* zy: nonzero exit on compile errorsGravatar zinc 13 days1-3/+5
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* merge work/exactsize: exact-size heap boundsGravatar zinc 13 days4-25/+23
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| * rt: exact-size heap bounds; n, the words new asked for, lives in bits 32..62 ↵Gravatar zinc 13 days4-25/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | of p[-4] the bnd recipe and paylen read n instead of the power-of-two block: bnd: r6 = sub p 3; r6 = ld r6; r7 = xor p 0x2B7E1516; r6 = eq r6 r7; r7 = sub p 4; r7 = ld r7; r7 = shr r7 32; r7 = mul r7 q; r8 = mul i m; r8 = ltu r8 r7; r8 = xor r8 1; r0 = and r6 r8 paylen: return p[-4] >> 32 two loads instead of three; osize, bchk, release, recycle and the memdebug leak report all read n (rt.new(4) has length 4, rt.new(0) has 0). writers: new_raw and new_k set n; stack.h line 87 and tinyvm.ts (BigInt) set it on stack segments. release clears n when a block goes into quarantine (len 0, indexing traps; under memdebug bchk reports a use after free); every free-list path (fpush, mkblock, bdrop, recycle_leaf, balloc hold) rewrites the word as k << 16, and an array that grows gets a fresh block. a request over 2^31-1-HDR words stops in new_raw (oom), and the compiler only takes the new_k fast path for constant sizes that fit, so n is never truncated. bit users checked (all mask or preserve bits 32..62; none compares or copies the whole word): gc mark and sweep; release, free, recycle, recycle_leaf; share and own; isobj, quar, checkptr, obj_base; bclass and the bfree buddy merge; balloc, mkblock, fpush, funlink, heap_grow; frame_grow; stack_allocate in src/core/stack.h and src/js/tinyvm.ts; micro.c and core.c (check word only); the compiler's two p[-4] | F_INTERNAL writes (base.zc, builtins.zc). 32-bit ports: none (baremetal, wasm and micro use int64 Cell). tests: tests/programs/exactsize.zc (n-1/n for non-power-of-two sizes, new(0), packed bytes, recycle, grow, stack growth); 8-runtime: exact_size_bounds, pointer_index_n_minus_1, pointer_index_n_traps, pointer_index_n_traps_memdebug, new_zero_index_traps, new_too_big_traps, stale_index_after_free_traps, stale_index_after_free_memdebug. expectations changed: leak report shows n (tests/test.sh line 169, examples/learn/13-memdebug.out, docs/LEARN.md, 4-statements/memdebug_report_line.zc). programs adjusted to keep test.sh expectations: quarantine.zc (unbounded), bounds_heap.zc (rt.new(11)). spec 3.7.4 and 4.11 updated. fixpoint 402204 words (main 402197).
* | merge work/xref: stale known-line check for conformance and parityGravatar zinc 13 days1-5/+8
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| * conformance and parity: a known entry that passes again is stale and fails ↵Gravatar zinc 13 days1-5/+8
| | | | | | | | the run
* | merge work/jit2: compiled o3 regions on x86-64Gravatar zinc 13 days1-9/+262
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| * | x86-64 o3 regions: header comment, readme, bench note and todoGravatar zinc 13 days1-3/+4
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| * | x86-64 jit: compile o3 regions (vars in their frame slots, six value ↵Gravatar zinc 13 days1-6/+258
| |/ | | | | | | registers); ZYO3INTERP=1 keeps the region interpreter
* | Merge branch 'main' into work/specGravatar zinc 13 days1-14/+26
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| * merge work/xref: zc0 u*d redo and follow-upsGravatar zinc 13 days1-14/+26
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| | * zc0: a store into a local embed array is an error (its elements are in the ↵Gravatar zinc 13 days1-8/+17
| | | | | | | | | | | | code); test in tests/test.sh
| | * zc0: free the saved token when the local-embed lookahead returns earlyGravatar zinc 13 days1-1/+1
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| | * zc0: u*x, m*x, d*x are products when u, m or d is a visible local or global ↵Gravatar zinc 13 days1-5/+8
| | | | | | | | | | | | (spec 1.6.3); redone from zc-spec's 2f2597b
* | | len: len on a char* is an error with typecheck off too (appendix b.2.14)Gravatar zinc 13 days1-1/+2
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* | | prototypes: parameters may be unnamed, int f(int, int*); (appendix b.2.13)Gravatar zinc 13 days1-2/+11
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* | | bool: normalising into a bool keeps an incompatible source type, so the ↵Gravatar zinc 13 days1-1/+2
| | | | | | | | | | | | return type check still fires (fixes typeerrors/ret.zc after b.2.6)
* | | lexer: a block comment that is never closed is 'unterminated comment' ↵Gravatar zinc 13 days1-0/+2
| | | | | | | | | | | | (appendix b.2.11)
* | | bool: a value stored into a bool is normalised to 0 or 1 (appendix b.2.6)Gravatar zinc 13 days1-0/+5
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* | | enum: a member is defined as soon as it is declared, so later values can ↵Gravatar zinc 13 days2-2/+10
| | | | | | | | | | | | name it (appendix b.2.2)
* | | Merge branch 'main' into work/specGravatar zinc 13 days3-25/+234
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| * | merge work/jit2: x86-64 jit inline enhancementsGravatar zinc 13 days2-8/+183
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| | * x86-64 jit: header comment and todo for inlined enhancementsGravatar zinc 13 days1-2/+2
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| | * rt: note the two definitions of a heap block's length (bnd recipe, paylen)Gravatar zinc 13 days1-0/+4
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| | * x86-64 jit: inline enhancements (micro-ops lowered to registers, literal ↵Gravatar zinc 13 days1-5/+176
| | | | | | | | | | | | specialization, ZYNOENH=1 to call xrun); enh_ops test; jit_x64_test in test.sh
| | * core: an enhancement's ld reads 0 past 2^32 in xexec too (mread took an ↵Gravatar zinc 13 days1-1/+1
| | | | | | | | | | | | int), as the jits and the microcore do
| * | Merge branch 'main' into work/xrefGravatar zinc 13 days16-42/+190
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| * | zc0: integer literals as the compiler reads them (010 is 10, 0x is 0, values ↵Gravatar zinc 13 days1-2/+20
| | | | | | | | | | | | wrap modulo 2^64)
| * | zc0: embed of an array type inside a functionGravatar zinc 13 days1-2/+4
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| * | zc0: x as T reads a whole type (x as int*, x as char**)Gravatar zinc 13 days1-1/+1
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| * | zc0: reject .u on a typed parameter with the compiler's messageGravatar zinc 13 days1-1/+4
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| * | zc0: string literals have no length limit (the token text grows)Gravatar zinc 13 days1-11/+22
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* | | globals: an integer constant initializing a float or f32 global converts to ↵Gravatar zinc 13 days1-1/+2
| | | | | | | | | | | | float (float g = 2; is 2.0)
* | | Revert "zc0: read integer literals like the compiler: decimal with leading ↵Gravatar zinc 13 days1-12/+2
| | | | | | | | | | | | | | | | | | zeros, 0x hex, wrapping (appendix b.1.11)" This reverts commit 76fc2643d1df7da7c83f7b58fe7e8459f487b816.
* | | Revert "zc0: u*x, m*x, d*x are products when u, m or d is a visible local or ↵Gravatar zinc 13 days1-8/+5
| | | | | | | | | | | | | | | | | | global (spec 1.6.3)" This reverts commit 2f2597bd753fa04edc8cf51ffe9fd324965224d2.
* | | Merge branch 'main' into work/specGravatar zinc 13 days16-51/+208
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| * | merge bounds checkingGravatar zinc 13 days16-42/+190
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| | * bounds checking: constant loop bound proof works, plain-op fixed-array ↵Gravatar zinc 13 days2-7/+10
| | | | | | | | | | | | check, docs (readme, spec 4.15 and friends, server, vscode), conformance and test.sh fixes, todo
| | * bounds checking: port agent/bounds-checking onto main 0879d0a; unbounded ↵Gravatar zinc 13 days16-40/+185
| | | | | | | | | | | | main in o3call, o3 tests expect no check, boundsrules, bounds_fixed, bounds_heap and zc0unbounded tests
| * | merge: memdebug obj_base via size classesGravatar zinc 13 days1-9/+18
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