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Add erlang SDK#1489

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11 changes: 11 additions & 0 deletions.gitignore
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Expand Up@@ -27,6 +27,17 @@ share/python-wheels/
*.egg
MANIFEST

# Erlang
*.beam
*.plt
.erlang.cookie
.eunit
.rebar
.rebar3
_build
priv/crates
rebar3.crashdump

# PyInstaller
# Usually these files are written by a python script from a template
# before PyInstaller builds the exe, so as to inject date/other infos into it.
Expand Down
44 changes: 44 additions & 0 deletionspgml-sdks/pgml/erlang/Makefile
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REBAR3 ?= $(shell test -e `which rebar3` 2>/dev/null && which rebar3 || echo "./rebar3")

.PHONY: deps test build

all: build

build: $(REBAR3)
@$(REBAR3) compile

deps:
@$(REBAR3) deps

fmt:
@$(REBAR3) fmt --write

fmt-check:
@$(REBAR3) fmt --check

shell:
@$(REBAR3) cargo clean
@$(REBAR3) shell

clean:
@$(REBAR3) clean

clean-all:
rm -rf $(CURDIR)/priv/crates
rm -rf $(CURDIR)/_build

distclean: clean
@$(REBAR3) clean --all

docs:
@$(REBAR3) edoc

test:
@$(REBAR3) cargo clean
@$(REBAR3) eunit

test-all:
@$(REBAR3) do eunit, ct, cover

release: test
@$(REBAR3) as prod release
17 changes: 17 additions & 0 deletionspgml-sdks/pgml/erlang/README.md
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# pgml

An Erlang NIF library written in Rust

## Build

``` shell
make
make fmt
```

## Test

``` shell
make test
```

5 changes: 5 additions & 0 deletionspgml-sdks/pgml/erlang/native/pgml/.cargo/config.toml
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[target.'cfg(target_os = "macos")']
rustflags = [
"-C", "link-arg=-undefined",
"-C", "link-arg=dynamic_lookup",
]
142 changes: 142 additions & 0 deletionspgml-sdks/pgml/erlang/native/pgml/Cargo.lock
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Some generated files are not rendered by default. Learn more abouthow customized files appear on GitHub.

14 changes: 14 additions & 0 deletionspgml-sdks/pgml/erlang/native/pgml/Cargo.toml
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[package]
name = "pgml"
version = "0.1.0"
edition = "2021"


[lib]
name = "pgml"
path = "src/lib.rs"
crate-type = ["dylib"]


[dependencies]
rustler = "0.33.0"
35 changes: 35 additions & 0 deletionspgml-sdks/pgml/erlang/native/pgml/README.md
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# NIF for pgml

## To compile the NIF in Erlang:

Add the following lines to your `rebar.config` file:

``` erlang
{plugins, [rebar3_rustler]}.

{cargo_opts, [
{src_dir, "native/pgml"}
]}.

{provider_hooks, [
{pre, [
{compile, {cargo, build}}
]},
{post, [
{clean, {cargo, clean}},
{eunit, {cargo, test}}
]}
]}.
```

## Build

``` shell
cargo build
```

## Test

``` shell
cargo test
```
4 changes: 4 additions & 0 deletionspgml-sdks/pgml/erlang/native/pgml/rust-toolchain.toml
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[toolchain]
channel = "nightly"
components = [ "rustfmt", "clippy" ]
profile = "minimal"
4 changes: 4 additions & 0 deletionspgml-sdks/pgml/erlang/native/pgml/src/lib.rs
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rustler::init!("pgml", []);

#[cfg(test)]
mod tests {}
27 changes: 27 additions & 0 deletionspgml-sdks/pgml/erlang/rebar.config
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{project_plugins, [{erlfmt, "~> 1.3"}]}.

{erl_opts, [debug_info]}.

{deps, []}.

{plugins, [rebar3_cargo]}.

{cargo_opts, [
{src_dir, "native/pgml"}
]}.

{provider_hooks, [
{pre, [
{compile, {cargo, build}}
]},
{post, [
{clean, {cargo, clean}},
{eunit, {cargo, test}}
]}
]}.

{erlfmt, [
check,
verbose,
{files, ["src/*", "rebar.config"]}
]}.
1 change: 1 addition & 0 deletionspgml-sdks/pgml/erlang/rebar.lock
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[].
14 changes: 14 additions & 0 deletionspgml-sdks/pgml/erlang/src/cargo.hrl
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-cargo_header_version(1).
-ifndef(CARGO_LOAD_APP).
-define(CARGO_LOAD_APP, pgml).
-endif.
-ifndef(CARGO_HRL).
-define(CARGO_HRL, 1).
-define(load_nif_from_crate(__CRATE, __INIT),
(fun() ->
__APP = ?CARGO_LOAD_APP,
__PATH = filename:join([code:priv_dir(__APP), "crates", __CRATE, __CRATE]),
erlang:load_nif(__PATH, __INIT)
end)()
).
-endif.
14 changes: 14 additions & 0 deletionspgml-sdks/pgml/erlang/src/pgml.app.src
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{application, pgml, [
{description, "An OTP library"},
{vsn, "0.1.0"},
{registered, []},
{applications, [
kernel,
stdlib
]},
{env, []},
{modules, []},

{licenses, ["Apache 2.0"]},
{links, []}
]}.
33 changes: 33 additions & 0 deletionspgml-sdks/pgml/erlang/src/pgml.erl
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-module(pgml).

-export([]).

-include("cargo.hrl").

-on_load init/0.

-define(NOT_LOADED, not_loaded(?LINE)).

%%%===================================================================
%%% API
%%%===================================================================

%%%===================================================================
%%% NIF
%%%===================================================================

init() ->
?load_nif_from_crate(pgml, 0).

not_loaded(Line) ->
erlang:nif_error({not_loaded, [{module, ?MODULE}, {line, Line}]}).

%%%===================================================================
%%% Tests
%%%===================================================================

-ifdef(TEST).

-include_lib("eunit/include/eunit.hrl").

-endif.
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