Files
zeekay 91103511be Finish capnp->ZAP rebrand; vendor lunitx; decouple cjson; bump rockspec
Rename the Cap'n Proto Lua port to ZAP, brand-neutral throughout:
- capnp.lua -> zap.lua, capnp/ -> zap/, *.capnp -> *.zap, compiler bins
  capnpc-* -> zapc-*, schema/handwritten modules -> *_zap.lua. Zero
  capnp/Cap'n Proto leftovers in zap-native source/build (upstream-fork
  Kenton Varda copyright headers in proto/c++.zap and bin/schema.zap stay).
  Generated-code header and doc links point at github.com/zap-proto/lua and
  zap-proto.io.

Tests now run with no extra install:
- Vendor the lunitx test framework (Michael Roth / Doug Currie, MIT) under
  vendor/ (lunit, lunit.console, lunitx, lunitx.atexit). Its __gc atexit hook
  drives each test file under LuaJIT and exits nonzero on any failure.
- tests/run_tests.sh and test.sh are self-contained (set LUA_PATH incl
  vendor/), generate proto/example_zap.lua via the `zap` compiler when present,
  and skip 01/10 with a clear note (never a false pass) when it is absent.
  02-util and 03-compile are pure-Lua and always run.
- Verified under LuaJIT 2.1: 01(20) + 02(7) + 03(1) + 10(31) = 59 tests pass,
  0 failed; runner returns nonzero on an injected failure.

Decouple optional cjson so the runtime/compiler load under a bare LuaJIT:
- zap/compile.lua loads cjson lazily and only for debug logging (guarded by
  the debug flag); bin/zapc-llua makes the schema JSON dump optional.

Rockspec: bump lua-zap to 0.1.3-4, declare lua-cjson >= 2.1.0, and install the
vendored lunitx modules. .gitignore: scope the rockspec-pack ignore to repo
root so rockspec/ specs are tracked; ignore the `dump` test artifact.

TODO trimmed to the genuinely remaining items (AnyPointer set/decode, packed
serialization, schema_zap regeneration, multi-file compile, perf).
2026-06-20 00:12:16 -07:00

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@0xa0d78d3689d48a0b;
using import "enums.zap".EnumType2;
using import "struct.zap".S1;
using Lua = import "lua.zap";
const pi :Float32 = 3.14159;
struct T1 {
struct T2 {
f0 @0 :Float32;
f1 @1 :Float64;
sd0 @2 :Data;
}
i0 @0 :UInt32;
i1 @1 :UInt16;
i2 @3 :Int8;
b0 @2 :Bool;
b1 @4 :Bool;
i3 @5 :Int32;
s0 @6 :T2;
e0 @7 :EnumType1;
l0 @8 :List(Int8);
t0 @9 :Text;
d0 @11 :Data;
e1 @10 :EnumType2;
enum EnumType1 $Lua.naming("lower_underscore") {
enum1 @0;
enum2 @1;
enum3 @2;
enum4 @3 $Lua.literal("wEirdENum4");
upperDash @4 $Lua.naming("upper_dash");
}
# unnamed union
union {
ui0 @12 :Int32;
ui1 @13 :Int32;
uv0 @14 :Void;
}
# group
g0 :group {
ui2 @15 :UInt32;
}
# named union = unamed union in a group
u0 :union {
ui3 @16 :UInt16;
uv1 @17 :Void;
ug0 :group {
ugv0 @18 :Void;
ugu0 @19 :UInt32;
}
ut0 @26 :Text;
}
ls0 @20 :List(T2);
du0 @21 :UInt32 = 65535;
db0 @22 :Bool = true;
end @23 :Bool; # "end" is lua's reserved word
o0 @24 :AnyPointer;
lt0 @25 :List(Text);
ld0 @27 :List(Data);
# u1: union {
# g1 :group {
# v1 @17 :Void;
# ui4 @18 :UInt32;
# }
# g2 :group {
# b2 @19 :Bool;
# }
# }
const welcomeText :Text = "Hello";
# Doesn't work for now
# const constT2 :T2 = (f0 = 12345.67, f1 = 9876.54, sd0 = "\0\1\2\3");
u64 @28 :UInt64;
}
struct T3 {
lsU16 @0 :List(UInt16);
lsU32 @1 :List(UInt32);
lsU64 @2 :List(UInt64);
lsI16 @3 :List(Int16);
lsI32 @4 :List(Int32);
lsI64 @5 :List(Int64);
}
struct T4 {
}
struct T5 {
llt0 @0 :List(List(Text));
lllt0 @1 :List(List(List(Text)));
}