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https://github.com/zap-proto/lua.git
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zeekay
274cacae31
- .github/workflows/ci.yml: push-to-main + PR + workflow_dispatch. Installs luajit + luarocks + lunitx + capnproto on ubuntu-latest, loads the module, runs the full suite. Validated end-to-end in ubuntu:22.04 (capnp 0.8.0): 59 tests / 504 assertions, 0 failures, 0 skips. - tools/gen-example.sh: single canonical path to generate proto/example_zap.lua from proto/*.zap using the capnp front-end + this repo's pure-Lua compiler. Makes tests 01 and 10 run for real instead of skipping when no 'zap' tool. - tests/run_tests.sh: generate the fixture via tools/gen-example.sh; honest skip only when capnp is genuinely absent. - bin/zapc-lua: make cjson optional (pcall) to match bin/zapc-llua; it is only used for the --verbose debug dump and is not required to run.
58 lines
2.3 KiB
Bash
Executable File
58 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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#
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# Generate proto/example_zap.lua from the proto/*.zap schemas.
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#
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# The lua-zap compiler is a schema-compiler plugin: it consumes a Cap'n Proto
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# CodeGeneratorRequest, not raw .zap text. The canonical front-end that parses
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# .zap files and emits that request is the `capnp` tool. This script drives it:
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#
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# 1. capnp compile proto/*.zap -> binary CodeGeneratorRequest
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# 2. capnp decode schema.zap -> textual request
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# 3. util.parse_zap_decode_txt + compile.compile (pure Lua, this repo)
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# -> proto/example_zap.lua
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#
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# Step 3 is exactly what bin/zapc-lua does after the front-end; here we invoke
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# the same `zap.util` / `zap.compile` entry points directly so generation has a
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# single, scriptable path for both humans and CI.
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#
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# example.zap is listed first so util.get_output_name() yields proto/example_zap.
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set -euo pipefail
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ROOT=$(cd "$(dirname "$0")/.." && pwd)
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export LUA_PATH="$ROOT/?.lua;$ROOT/lua/?.lua;$ROOT/proto/?.lua;$ROOT/vendor/?.lua;${LUA_PATH:-};;"
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# example.zap first so util.get_output_name() yields proto/example_zap.
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PROTOS=(proto/example.zap proto/enums.zap proto/struct.zap proto/lua.zap)
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if ! command -v capnp >/dev/null 2>&1; then
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echo "gen-example: 'capnp' (Cap'n Proto) not found on PATH" >&2
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exit 1
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fi
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REQ=$(mktemp)
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TXT=$(mktemp)
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trap 'rm -f "$REQ" "$TXT"' EXIT
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# Run from ROOT with proto/-prefixed paths so requestedFiles keep that prefix,
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# placing the generated module at proto/example_zap.lua. capnp resolves each
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# file's relative imports from its own directory, so cross-proto imports work.
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( cd "$ROOT" && capnp compile -o- "${PROTOS[@]}" ) > "$REQ"
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capnp decode "$ROOT/bin/schema.zap" CodeGeneratorRequest < "$REQ" > "$TXT"
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luajit - "$TXT" "$ROOT" <<'LUA'
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local util = require "zap.util"
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local compile = require "zap.compile"
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local txt = assert(arg[1], "internal: missing txt arg")
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local root = assert(arg[2], "internal: missing root arg")
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local lua_schema = assert(util.parse_zap_decode_txt(txt))
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local schema = assert(assert(loadstring(lua_schema))())
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schema.__compiler = "lua-zap(decoded by capnp)"
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local res = compile.compile(schema)
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local out = root .. "/" .. util.get_output_name(schema) .. ".lua"
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util.write_file(out, res)
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io.write("gen-example: wrote ", out, " (", #res, " bytes)\n")
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LUA
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