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tophemantopheman
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feat(go): setup go toolchain
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‎go_modules/.gitignore‎

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*.wasm

‎go_modules/plugin-echo/.gitignore‎

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internal
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*.wasm

‎go_modules/plugin-echo/go.mod‎

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module webassembly-repl/plugin-echo
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go 1.24
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tool go.bytecodealliance.org/cmd/wit-bindgen-go
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7+
require (
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github.com/coreos/go-semver v0.3.1 // indirect
9+
github.com/docker/libtrust v0.0.0-20160708172513-aabc10ec26b7 // indirect
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github.com/klauspost/compress v1.18.0 // indirect
11+
github.com/opencontainers/go-digest v1.0.0 // indirect
12+
github.com/regclient/regclient v0.8.3 // indirect
13+
github.com/sirupsen/logrus v1.9.3 // indirect
14+
github.com/tetratelabs/wazero v1.9.0 // indirect
15+
github.com/ulikunitz/xz v0.5.12 // indirect
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github.com/urfave/cli/v3 v3.3.3 // indirect
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go.bytecodealliance.org v0.7.0 // indirect
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go.bytecodealliance.org/cm v0.3.0 // indirect
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golang.org/x/mod v0.24.0 // indirect
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golang.org/x/sys v0.33.0 // indirect
21+
)

‎go_modules/plugin-echo/go.sum‎

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github.com/coreos/go-semver v0.3.1 h1:yi21YpKnrx1gt5R+la8n5WgS0kCrsPp33dmEyHReZr4=
2+
github.com/coreos/go-semver v0.3.1/go.mod h1:irMmmIw/7yzSRPWryHsK7EYSg09caPQL03VsM8rvUec=
3+
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
4+
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
5+
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
6+
github.com/docker/libtrust v0.0.0-20160708172513-aabc10ec26b7 h1:UhxFibDNY/bfvqU5CAUmr9zpesgbU6SWc8/B4mflAE4=
7+
github.com/docker/libtrust v0.0.0-20160708172513-aabc10ec26b7/go.mod h1:cyGadeNEkKy96OOhEzfZl+yxihPEzKnqJwvfuSUqbZE=
8+
github.com/klauspost/compress v1.18.0 h1:c/Cqfb0r+Yi+JtIEq73FWXVkRonBlf0CRNYc8Zttxdo=
9+
github.com/klauspost/compress v1.18.0/go.mod h1:2Pp+KzxcywXVXMr50+X0Q/Lsb43OQHYWRCY2AiWywWQ=
10+
github.com/olareg/olareg v0.1.2 h1:75G8X6E9FUlzL/CSjgFcYfMgNzlc7CxULpUUNsZBIvI=
11+
github.com/olareg/olareg v0.1.2/go.mod h1:TWs+N6pO1S4bdB6eerzUm/ITRQ6kw91mVf9ZYeGtw+Y=
12+
github.com/opencontainers/go-digest v1.0.0 h1:apOUWs51W5PlhuyGyz9FCeeBIOUDA/6nW8Oi/yOhh5U=
13+
github.com/opencontainers/go-digest v1.0.0/go.mod h1:0JzlMkj0TRzQZfJkVvzbP0HBR3IKzErnv2BNG4W4MAM=
14+
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
15+
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
16+
github.com/regclient/regclient v0.8.3 h1:AFAPu/vmOYGyY22AIgzdBUKbzH+83lEpRioRYJ/reCs=
17+
github.com/regclient/regclient v0.8.3/go.mod h1:gjQh5uBVZoo/CngchghtQh9Hx81HOMKRRDd5WPcPkbk=
18+
github.com/sergi/go-diff v1.3.1 h1:xkr+Oxo4BOQKmkn/B9eMK0g5Kg/983T9DqqPHwYqD+8=
19+
github.com/sergi/go-diff v1.3.1/go.mod h1:aMJSSKb2lpPvRNec0+w3fl7LP9IOFzdc9Pa4NFbPK1I=
20+
github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ=
21+
github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
22+
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
23+
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
24+
github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
25+
github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
26+
github.com/tetratelabs/wazero v1.9.0 h1:IcZ56OuxrtaEz8UYNRHBrUa9bYeX9oVY93KspZZBf/I=
27+
github.com/tetratelabs/wazero v1.9.0/go.mod h1:TSbcXCfFP0L2FGkRPxHphadXPjo1T6W+CseNNY7EkjM=
28+
github.com/ulikunitz/xz v0.5.12 h1:37Nm15o69RwBkXM0J6A5OlE67RZTfzUxTj8fB3dfcsc=
29+
github.com/ulikunitz/xz v0.5.12/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
30+
github.com/urfave/cli/v3 v3.3.3 h1:byCBaVdIXuLPIDm5CYZRVG6NvT7tv1ECqdU4YzlEa3I=
31+
github.com/urfave/cli/v3 v3.3.3/go.mod h1:FJSKtM/9AiiTOJL4fJ6TbMUkxBXn7GO9guZqoZtpYpo=
32+
go.bytecodealliance.org v0.7.0 h1:CTJ1eb5kFhBKHw1/xycxxz4SmVWNKXYHhrA78oLNXhY=
33+
go.bytecodealliance.org v0.7.0/go.mod h1:PCLMft5yTQsHT9oNPWlq0I6Qdmo6THvdky2AZHjNUkA=
34+
go.bytecodealliance.org/cm v0.3.0 h1:VhV+4vjZPUGCozCg9+up+FNL3YU6XR+XKghk7kQ0vFc=
35+
go.bytecodealliance.org/cm v0.3.0/go.mod h1:JD5vtVNZv7sBoQQkvBvAAVKJPhR/bqBH7yYXTItMfZI=
36+
golang.org/x/mod v0.24.0 h1:ZfthKaKaT4NrhGVZHO1/WDTwGES4De8KtWO0SIbNJMU=
37+
golang.org/x/mod v0.24.0/go.mod h1:IXM97Txy2VM4PJ3gI61r1YEk/gAj6zAHN3AdZt6S9Ww=
38+
golang.org/x/sync v0.14.0 h1:woo0S4Yywslg6hp4eUFjTVOyKt0RookbpAHG4c1HmhQ=
39+
golang.org/x/sync v0.14.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
40+
golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
41+
golang.org/x/sys v0.33.0 h1:q3i8TbbEz+JRD9ywIRlyRAQbM0qF7hu24q3teo2hbuw=
42+
golang.org/x/sys v0.33.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
43+
golang.org/x/tools v0.33.0 h1:4qz2S3zmRxbGIhDIAgjxvFutSvH5EfnsYrRBj0UI0bc=
44+
golang.org/x/tools v0.33.0/go.mod h1:CIJMaWEY88juyUfo7UbgPqbC8rU2OqfAV1h2Qp0oMYI=
45+
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
46+
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
47+
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
48+
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

‎go_modules/plugin-echo/main.go‎

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package main
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import (
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"webassembly-repl/plugin-echo/internal/repl/api/plugin"
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"webassembly-repl/plugin-echo/internal/repl/api/transport"
6+
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"go.bytecodealliance.org/cm"
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)
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func init() {
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// Export the plugin name function
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plugin.Exports.Name = func() string {
13+
return "echogo"
14+
}
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// Export the manual function
17+
plugin.Exports.Man = func() string {
18+
return `NAME
19+
echogo - Echo a message (built with Go)
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USAGE
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echogo <message>
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DESCRIPTION
25+
Echo a message.`
26+
}
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// Export the run function
29+
plugin.Exports.Run = func(payload string) cm.Result[plugin.PluginResponse, plugin.PluginResponse, struct{}] {
30+
response := plugin.PluginResponse{
31+
Status: transport.ReplStatusSuccess,
32+
Stdout: cm.Some(payload),
33+
Stderr: cm.None[string](),
34+
}
35+
return cm.OK[cm.Result[plugin.PluginResponse, plugin.PluginResponse, struct{}]](response)
36+
}
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}
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// main is required for the wasip2 target
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func main() {}

‎go_modules/wit/host-api.wit‎

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package repl:api;
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interface host-state {
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use transport.{readline-response};
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use transport.{repl-var};
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get-plugins-names: func() -> list<string>;
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get-repl-vars: func() -> list<repl-var>;
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set-repl-var: func(var: repl-var);
10+
}
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interface guest-state {
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get-reserved-commands: func() -> list<string>;
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}
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interface repl-logic {
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use transport.{readline-response};
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readline: func(line: string) -> readline-response;
19+
}
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world host-api {
22+
import host-state;
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export guest-state;
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export repl-logic;
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}

‎go_modules/wit/plugin-api.wit‎

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interface plugin {
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use transport.{plugin-response};
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name: func() -> string;
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man: func() -> string;
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run: func(payload: string) -> result<plugin-response>;
7+
}
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/// Provided by the host, accessible by plugins
10+
interface http-client {
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record http-header {
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name: string,
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value: string,
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}
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record http-response {
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status: u16,
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ok: bool,
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headers: list<http-header>,
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body: string,
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}
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get: func(url: string, headers: list<http-header>) -> result<http-response, string>;
24+
}
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interface host-state-plugin {
27+
get-repl-var: func(key: string) -> option<string>;
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}
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world plugin-api {
31+
// The wasip2 target of TinyGo assumes that the component is targeting wasi:cli/command@0.2.0 world (part of wasi:cli),
32+
// so it needs to include the imports from that world.
33+
include wasi:cli/imports@0.2.0;
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import http-client;
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import host-state-plugin;
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export plugin;
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}

‎go_modules/wit/shared.wit‎

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interface transport {
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record plugin-response {
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status: repl-status,
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stdout: option<string>,
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stderr: option<string>,
6+
}
7+
8+
enum repl-status {
9+
success,
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error,
11+
}
12+
13+
record parsed-line {
14+
command: string,
15+
payload: string,
16+
}
17+
18+
variant readline-response {
19+
to-run(parsed-line),
20+
ready(plugin-response),
21+
}
22+
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record repl-var {
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key: string,
25+
value: string,
26+
}
27+
}

‎go_modules/wkg.lock‎

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# This file is automatically generated.
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# It is not intended for manual editing.
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version = 1
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[[packages]]
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name = "wasi:cli"
7+
registry = "wasi.dev"
8+
9+
[[packages.versions]]
10+
requirement = "=0.2.0"
11+
version = "0.2.0"
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digest = "sha256:e7e85458e11caf76554b724ebf4f113259decf0f3b1ee2e2930de096f72114a7"

‎justfile‎

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#!/usr/bin/env bash
4545
just list-c-plugins|xargs -I {} just build-c-plugin {}
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# Bundle wit files into a single file `repl:api.wasm`
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go-wit-build:
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#!/usr/bin/env bash
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cd go_modules/
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wkg wit build
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# Generate Go bindings for the plugin
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go-wit-bindgen-plugin plugin: go-wit-build
55+
#!/usr/bin/env bash
56+
cd go_modules/{{plugin}}
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rm -rf internal
58+
go tool wit-bindgen-go generate --world plugin-api --out internal ../repl:api.wasm
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# Generate Go bindings for all plugins
61+
go-wit-bindgen-plugins:
62+
#!/usr/bin/env bash
63+
just list-go-plugins|xargs -I {} just go-wit-bindgen-plugin {}
64+
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# Build a specific Go plugin
66+
build-go-plugin plugin:
67+
#!/usr/bin/env bash
68+
just go-wit-bindgen-plugin {{plugin}}
69+
cd go_modules/{{plugin}}
70+
tinygo build -target=wasip2 --wit-package ../repl:api.wasm --wit-world plugin-api -o {{plugin}}-go.wasm main.go
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# Build all Go plugins
73+
build-go-plugins:
74+
#!/usr/bin/env bash
75+
just list-go-plugins|xargs -I {} just build-go-plugin {}
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77+
# List all Go plugins
78+
list-go-plugins:
79+
#!/usr/bin/env bash
80+
ls -1 go_modules|grep plugin-
81+
4782
# Build all rust plugins in debug mode
4883
build-rust-plugins:
4984
#!/usr/bin/env bash
@@ -71,13 +106,15 @@ build-plugins:
71106
just build-repl-logic-guest
72107
just build-rust-plugins
73108
just build-c-plugins
109+
just build-go-plugins
74110

75111
# Build all plugins in release mode
76112
build-plugins-release:
77113
#!/usr/bin/env bash
78114
just build-repl-logic-guest-release
79115
just build-rust-plugins-release
80116
just build-c-plugins
117+
just build-go-plugins
81118

82119
# Build a specific plugin
83120
build-plugin plugin:

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