docs: GH pages for client docs

.github/actions/extism/action.yml

@@ -7,24 +7,12 @@ runs:
   steps:
     - name: Checkout sources
       uses: actions/checkout@v3
-    - name: Install Rust
-      uses: actions-rs/toolchain@v1
+    - name: Download libextism
+      uses: actions/download-artifact@v3
       with:
-        toolchain: stable
-        override: true
-    - name: Cache Rust environment
-      uses: Swatinem/rust-cache@v1
-    - name: Cache libextism
-      id: cache-libextism
-      uses: actions/cache@v3
-      with:
-        path: target/**
-        key: ${{ runner.os }}-libextism-${{ hashFiles('runtime/**') }}-${{ hashFiles('manifest/**') }}-${{ hashFiles('libextism/**') }}
-    - name: Build
-      if: steps.cache-libextism.outputs.cache-hit != 'true'
-      shell: bash
-      run: cargo build --release -p libextism
+        name: libextism-${{ matrix.os }}
     - name: Install extism shared library
       shell: bash
       run: |
-        sudo make install
+        sudo cp libextism.* /usr/local/lib
+        sudo cp runtime/extism.h /usr/local/include

.github/dependabot.yml

@@ -1,41 +0,0 @@
-# To get started with Dependabot version updates, you'll need to specify which
-# package ecosystems to update and where the package manifests are located.
-# Please see the documentation for all configuration options:
-# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
-
-version: 2
-updates:
-  - package-ecosystem: "cargo" # See documentation for possible values
-    directory: "/" # Location of package manifests
-    schedule:
-      interval: "weekly"
-
-  - package-ecosystem: "pip"
-    directory: "python"
-    schedule:
-      interval: "weekly"
-
-  - package-ecosystem: "mix"
-    directory: "elixir"
-    schedule:
-      interval: "weekly"
-
-  - package-ecosystem: "npm"
-    directory: "node"
-    schedule:
-      interval: "weekly"
-
-  - package-ecosystem: "composer"
-    directory: "/"
-    schedule:
-      interval: "weekly"
-
-  - package-ecosystem: "bundler"
-    directory: "ruby"
-    schedule:
-      interval: "weekly"
-
-  - package-ecosystem: "gomod"
-    directory: "/"
-    schedule:
-      interval: "weekly"

.github/workflows/browser-ci.yml

@@ -1,36 +0,0 @@
-on: 
-  pull_request:
-    paths:
-      - .github/actions/extism/**
-      - .github/workflows/ci-node.yml
-      - manifest/**
-      - runtime/**
-      - libextism/**
-      - browser/**
-  workflow_dispatch:
-
-name: Browser CI
-
-jobs:
-  node:
-    name: Browser
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest]
-        rust:
-          - stable
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@v3
-      - uses: ./.github/actions/extism
-      - name: Setup Node env
-        uses: actions/setup-node@v3
-        with:
-          node-version: 18
-
-      - name: Test Browser Runtime
-        run: |
-          cd browser
-          npm i
-          npm run test

.github/workflows/ci-cpp.yml

@@ -1,39 +0,0 @@
-on: 
-  pull_request:
-    paths:
-      - .github/actions/extism/**
-      - .github/workflows/ci-cpp.yml
-      - manifest/**
-      - runtime/**
-      - libextism/**
-      - cpp/**
-  workflow_dispatch:
-
-name: C++ CI
-
-jobs:
-  cpp:
-    name: C++
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest, macos-latest]
-        rust:
-          - stable
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@v3
-      - uses: ./.github/actions/extism
-      - name: Install C++ SDK deps
-        if: ${{ matrix.os == 'macos-latest' }}
-        run: |
-          brew install jsoncpp googletest pkg-config
-      - name: Install C++ SDK deps
-        if: ${{ matrix.os == 'ubuntu-latest' }}
-        run: |
-          sudo apt-get install g++ libjsoncpp-dev libgtest-dev pkg-config
-      - name: Run C++ tests
-        run: |
-          cd cpp
-          LD_LIBRARY_PATH=/usr/local/lib make example
-          LD_LIBRARY_PATH=/usr/local/lib make test

.github/workflows/ci-dotnet.yml

@@ -1,34 +0,0 @@
-on: 
-  pull_request:
-    paths:
-      - .github/actions/extism/**
-      - .github/workflows/ci-dotnet.yml
-      - manifest/**
-      - runtime/**
-      - libextism/**
-      - dotnet/**
-  workflow_dispatch:
-
-name: .NET CI
-
-jobs:
-  dotnet:
-    name: .NET
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest, macos-latest]
-        rust:
-          - stable
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@v3
-      - uses: ./.github/actions/extism
-      - name: Setup .NET Core SDK
-        uses: actions/setup-dotnet@v3.0.3
-        with:
-           dotnet-version: 7.x
-      - name: Test .NET Sdk
-        run: |
-          cd dotnet
-          LD_LIBRARY_PATH=/usr/local/lib dotnet test ./Extism.sln

.github/workflows/ci-elixir.yml

@@ -1,41 +0,0 @@
-on: 
-  pull_request:
-    paths:
-      - .github/actions/extism/**
-      - .github/workflows/ci-elixir.yml
-      - manifest/**
-      - runtime/**
-      - rust/**
-      - elixir/**
-  workflow_dispatch:
-
-name: Elixir CI
-
-jobs:
-  elixir:
-    name: Elixir
-    runs-on: ${{ matrix.os }}
-    env:
-      MIX_ENV: test
-    strategy:
-      matrix:
-        os: [ubuntu-latest, macos-latest]
-        rust:
-          - stable
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@v3
-      - uses: ./.github/actions/extism
-      - name: Setup Elixir Host SDK
-        if: ${{ runner.os != 'macOS' }}
-        uses: erlef/setup-beam@v1
-        with:
-          experimental-otp: true
-          otp-version: '25.0.4'
-          elixir-version: '1.14.0'
-
-      - name: Test Elixir Host SDK
-        if: ${{ runner.os != 'macOS' }}
-        run: |
-         cd elixir
-         LD_LIBRARY_PATH=/usr/local/lib mix do deps.get, test

.github/workflows/ci-go.yml

@@ -1,39 +0,0 @@
-on: 
-  pull_request:
-    paths:
-      - .github/actions/extism/**
-      - .github/workflows/ci-go.yml
-      - manifest/**
-      - runtime/**
-      - libextism/**
-      - extism.go
-      - extism_test.go
-      - go.mod
-      - libextism.pc 
-      - go/**
-  workflow_dispatch:
-
-name: Go CI
-
-jobs:
-  go:
-    name: Go
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest, macos-latest]
-        rust:
-          - stable
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@v3
-      - uses: ./.github/actions/extism
-      - name: Setup Go env
-        uses: actions/setup-go@v3
-
-      - name: Test Go Host SDK
-        run: |
-          go version
-          LD_LIBRARY_PATH=/usr/local/lib go test
-          cd go
-          LD_LIBRARY_PATH=/usr/local/lib go run main.go | grep "Hello from Go!"

.github/workflows/ci-haskell.yml

@@ -1,47 +0,0 @@
-on: 
-  pull_request:
-    paths:
-      - .github/actions/extism/**
-      - .github/workflows/ci-haskell.yml
-      - manifest/**
-      - runtime/**
-      - libextism/**
-      - haskell/**
-  workflow_dispatch:
-
-name: Haskell CI
-
-jobs:
-  haskell:
-    name: Haskell
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest, macos-latest]
-        rust:
-          - stable
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@v3
-      - uses: ./.github/actions/extism
-      - name: Setup Haskell env
-        uses: haskell/actions/setup@v2
-        with:
-          enable-stack: false
-      - name: Cache Haskell
-        id: cache-haskell
-        uses: actions/cache@v3
-        with:
-          path: ./haskell/dist-newstyle
-          key: ${{ runner.os }}-haskell-${{ hashFiles('haskell/**') }}
-      - name: Build Haskell Host SDK
-        if: steps.cache-haskell.outputs.cache-hit != 'true'
-        run: |
-          cd haskell
-          cabal update
-          LD_LIBRARY_PATH=/usr/local/lib cabal build
-      - name: Test Haskell SDK
-        run: |
-          cd haskell
-          cabal update
-          LD_LIBRARY_PATH=/usr/local/lib cabal test

.github/workflows/ci-java.yml

@@ -1,37 +0,0 @@
-on: 
-  pull_request:
-    paths:
-      - .github/actions/extism/**
-      - .github/workflows/ci-java.yml
-      - manifest/**
-      - runtime/**
-      - libextism/**
-      - java/**
-  workflow_dispatch:
-
-name: Java CI
-
-jobs:
-  java:
-    name: Java
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest]
-        version: [11, 17]
-        rust:
-          - stable
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@v3
-      - uses: ./.github/actions/extism
-      - name: Set up Java
-        uses: actions/setup-java@v3
-        with:
-          distribution: 'temurin'
-          java-version: '${{ matrix.version }}'
-      - name: Test Java
-        run: |
-          cd java
-          mvn --batch-mode -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn verify
-

.github/workflows/ci-node.yml

@@ -1,38 +0,0 @@
-on: 
-  pull_request:
-    paths:
-      - .github/actions/extism/**
-      - .github/workflows/ci-node.yml
-      - manifest/**
-      - runtime/**
-      - libextism/**
-      - node/**
-  workflow_dispatch:
-
-name: Node CI
-
-jobs:
-  node:
-    name: Node
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest, macos-latest]
-        rust:
-          - stable
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@v3
-      - uses: ./.github/actions/extism
-      - name: Setup Node env
-        uses: actions/setup-node@v3
-        with:
-          node-version: 18
-
-      - name: Test Node Host SDK
-        run: |
-          cd node
-          npm i
-          LD_LIBRARY_PATH=/usr/local/lib npm run build
-          LD_LIBRARY_PATH=/usr/local/lib npm run example
-          LD_LIBRARY_PATH=/usr/local/lib npm run test

.github/workflows/ci-ocaml.yml

@@ -1,50 +0,0 @@
-on: 
-  pull_request:
-    paths:
-      - .github/actions/extism/**
-      - .github/workflows/ci-ocaml.yml
-      - manifest/**
-      - runtime/**
-      - libextism/**
-      - ocaml/**
-      - dune-project
-      - extism.opam
-  workflow_dispatch:
-
-name: OCaml CI
-
-jobs:
-  ocaml:
-    name: OCaml
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest, macos-latest]
-        rust:
-          - stable
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@v3
-      - uses: ./.github/actions/extism
-      - name: Setup OCaml env
-        uses: ocaml/setup-ocaml@v2
-        with:
-          ocaml-compiler: ocaml-base-compiler.5.0.0
-      - name: Cache OCaml
-        id: cache-ocaml
-        uses: actions/cache@v3
-        with:
-          path: _build
-          key: ${{ runner.os }}-ocaml-${{ hashFiles('ocaml/**.ml') }}-${{ hashFiles('dune-project') }}
-      - name: Build OCaml Host SDK
-        if: steps.cache-ocaml.outputs.cache-hit != 'true'
-        run: |
-          opam install -y --deps-only .
-          cd ocaml
-          LD_LIBRARY_PATH=/usr/local/lib opam exec -- dune build
-      - name: Test OCaml Host SDK
-        run: |
-          opam install -y --deps-only .
-          cd ocaml
-          LD_LIBRARY_PATH=/usr/local/lib opam exec -- dune exec ./bin/main.exe ../wasm/code.wasm count_vowels -- --input "qwertyuiop"
-          LD_LIBRARY_PATH=/usr/local/lib opam exec -- dune runtest

.github/workflows/ci-php.yml

@@ -1,42 +0,0 @@
-on: 
-  pull_request:
-    paths:
-      - .github/actions/extism/**
-      - .github/workflows/ci-php.yml
-      - manifest/**
-      - runtime/**
-      - libextism/**
-      - php/**
-      - composer.json
-      - composer.lock
-  workflow_dispatch:
-
-name: PHP CI
-
-jobs:
-  php:
-    name: PHP
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest, macos-latest]
-        rust:
-          - stable
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@v3
-      - uses: ./.github/actions/extism
-      - name: Setup PHP env
-        uses: shivammathur/setup-php@v2
-        with:
-          php-version: "8.1"
-          extensions: ffi
-          tools: composer
-        env:
-          fail-fast: true
-
-      - name: Test PHP SDK
-        run: |
-          cd php/example
-          composer install
-          php index.php

.github/workflows/ci-python.yml

@@ -1,40 +0,0 @@
-on: 
-  pull_request:
-    paths:
-      - .github/actions/extism/**
-      - .github/workflows/ci-python.yml
-      - manifest/**
-      - runtime/**
-      - libextism/**
-      - python/**
-  workflow_dispatch:
-
-name: Python CI
-
-jobs:
-  python:
-    name: Python
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest, macos-latest]
-        rust:
-          - stable
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@v3
-      - uses: ./.github/actions/extism
-      - name: Setup Python env
-        uses: actions/setup-python@v4
-        with:
-          python-version: "3.9"
-          check-latest: true
-      - name: Install Poetry
-        uses: snok/install-poetry@v1
-      - name: Test Python Host SDK
-        run: |
-          cd python
-          cp ../README.md .
-          poetry install --no-dev
-          poetry run python example.py
-          poetry run python -m unittest discover

.github/workflows/ci-ruby.yml

@@ -1,38 +0,0 @@
-on: 
-  pull_request:
-    paths:
-      - .github/actions/extism/**
-      - .github/workflows/ci-ruby.yml
-      - manifest/**
-      - runtime/**
-      - libextism/**
-      - ruby/**
-  workflow_dispatch:
-
-name: Ruby CI
-
-jobs:
-  ruby:
-    name: Ruby
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest, macos-latest]
-        rust:
-          - stable
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@v3
-      - uses: ./.github/actions/extism
-      - name: Setup Ruby env
-        uses: ruby/setup-ruby@v1
-        with:
-          ruby-version: "3.0"
-
-      - name: Test Ruby Host SDK
-        run: |
-          cd ruby
-          bundle install
-          ruby example.rb
-          rake test
-

.github/workflows/ci-rust.yml

@@ -1,105 +0,0 @@
-on: 
-  pull_request:
-    paths:
-      - .github/actions/extism/**
-      - .github/workflows/ci-rust.yml
-      - manifest/**
-      - runtime/**
-      - rust/**
-      - libextism/**
-  workflow_dispatch:
-
-name: Rust CI
-
-env:
-  RUNTIME_CRATE: extism-runtime
-  LIBEXTISM_CRATE: libextism
-  RUST_SDK_CRATE: extism
-
-jobs:
-  lib:
-    name: Extism runtime lib
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest, macos-latest]
-        rust:
-          - stable
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@v3
-      - name: Install Rust
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
-          override: true
-      - name: Cache Rust environment
-        uses: Swatinem/rust-cache@v1
-      - name: Cache libextism
-        id: cache-libextism
-        uses: actions/cache@v3
-        with:
-          path: target/release/libextism.*
-          key: ${{ runner.os }}-libextism-${{ hashFiles('runtime/**') }}-${{ hashFiles('manifest/**') }}
-      - name: Cache target
-        id: cache-target
-        uses: actions/cache@v3
-        with:
-          path: target/**
-          key: ${{ runner.os }}-target-${{ env.GITHUB_SHA }}
-      - name: Build
-        if: steps.cache-libextism.outputs.cache-hit != 'true'
-        shell: bash
-        run: cargo build --release -p ${{ env.LIBEXTISM_CRATE }}
-      - name: Upload artifact
-        uses: actions/upload-artifact@v3
-        with:
-          name: libextism-${{ matrix.os }}
-          path: |
-              target/release/libextism.*
-  lint_and_test:
-    name: Extism runtime lint and test
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest, macos-latest]
-        rust:
-          - stable
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@v3
-      - name: Install Rust
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
-          override: true
-      - name: Cache Rust environment
-        uses: Swatinem/rust-cache@v1
-      - name: Cache target
-        id: cache-target
-        uses: actions/cache@v3
-        with:
-          path: target/**
-          key: ${{ runner.os }}-target-${{ env.GITHUB_SHA }}
-      - name: Format
-        run: cargo fmt --check -p ${{ env.RUNTIME_CRATE }}
-      - name: Lint
-        run: cargo clippy --release --all-features --no-deps -p ${{ env.RUNTIME_CRATE }}
-      - name: Test
-        run: cargo test --all-features --release -p ${{ env.RUNTIME_CRATE }}
-
-  rust:
-    name: Rust
-    needs: lib
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest, macos-latest]
-        rust:
-          - stable
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@v3
-      - uses: ./.github/actions/extism
-      - name: Test Rust Host SDK
-        run: LD_LIBRARY_PATH=/usr/local/lib cargo test --release -p ${{ env.RUST_SDK_CRATE }}

.github/workflows/ci-zig.yml

@@ -1,37 +0,0 @@
-on: 
-  pull_request:
-    paths:
-      - .github/actions/extism/**
-      - .github/workflows/ci-zig.yml
-      - manifest/**
-      - runtime/**
-      - libextism/**
-      - zig/**
-  workflow_dispatch:
-
-name: Zig CI
-
-jobs:
-  zig:
-    name: Zig
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest, macos-latest]
-        zig_version: ["master"] # eventually use multiple versions once stable
-        rust:
-          - stable
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@v3
-      - uses: ./.github/actions/extism
-      - name: Setup Zig env
-        uses: goto-bus-stop/setup-zig@v2
-        with: 
-          version: ${{ matrix.zig_version }}
-
-      - name: Test Zig Host SDK
-        run: |
-          zig version
-          cd zig
-          LD_LIBRARY_PATH=/usr/local/lib zig build test

.github/workflows/ci.yml

@@ -2,7 +2,353 @@ on: [pull_request, workflow_dispatch]
 
 name: CI
 
+env:
+  RUNTIME_MANIFEST: runtime/Cargo.toml
+  RUNTIME_CRATE: extism-runtime
+  RUST_SDK_CRATE: extism
+
 jobs:
+  lib:
+    name: Extism runtime lib
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        rust:
+          - stable
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v3
+      - name: Install Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+      - name: Cache Rust environment
+        uses: Swatinem/rust-cache@v1
+      - name: Cache libextism
+        id: cache-libextism
+        uses: actions/cache@v3
+        with:
+          path: target/release/libextism.*
+          key: ${{ runner.os }}-libextism-${{ hashFiles('runtime/**') }}-${{ hashFiles('manifest/**') }}
+      - name: Cache target
+        id: cache-target
+        uses: actions/cache@v3
+        with:
+          path: target/**
+          key: ${{ runner.os }}-target-${{ env.GITHUB_SHA }}
+      - name: Build
+        if: steps.cache-libextism.outputs.cache-hit != 'true'
+        shell: bash
+        run: cargo build --release -p ${{ env.RUNTIME_CRATE }}
+      - name: Upload artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: libextism-${{ matrix.os }}
+          path: |
+              target/release/libextism.*
+  lint_and_test:
+    name: Extism runtime lint and test
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        rust:
+          - stable
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v3
+      - name: Install Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+      - name: Cache Rust environment
+        uses: Swatinem/rust-cache@v1
+      - name: Cache target
+        id: cache-target
+        uses: actions/cache@v3
+        with:
+          path: target/**
+          key: ${{ runner.os }}-target-${{ env.GITHUB_SHA }}
+      - name: Format
+        run: cargo fmt --check -p ${{ env.RUNTIME_CRATE }}
+      - name: Lint
+        run: cargo clippy --release --all-features --no-deps -p ${{ env.RUNTIME_CRATE }}
+      - name: Test
+        run: cargo test --all-features --release -p ${{ env.RUNTIME_CRATE }}
+
+  rust:
+    name: Rust
+    needs: lib
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        rust:
+          - stable
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v3
+      - uses: ./.github/actions/extism
+      - name: Test Rust Host SDK
+        run: LD_LIBRARY_PATH=/usr/local/lib cargo test --release -p ${{ env.RUST_SDK_CRATE }}
+
+  elixir:
+    name: Elixir
+    needs: lib
+    runs-on: ${{ matrix.os }}
+    env:
+      MIX_ENV: test
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        rust:
+          - stable
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v3
+      - uses: ./.github/actions/extism
+      - name: Setup Elixir Host SDK
+        if: ${{ runner.os != 'macOS' }}
+        uses: erlef/setup-beam@v1
+        with:
+          experimental-otp: true
+          otp-version: '25.0.4'
+          elixir-version: '1.14.0'
+
+      - name: Test Elixir Host SDK
+        if: ${{ runner.os != 'macOS' }}
+        run: |
+         cd elixir
+         LD_LIBRARY_PATH=/usr/local/lib mix do deps.get, test
+
+  go:
+    name: Go
+    needs: lib
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        rust:
+          - stable
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v3
+      - uses: ./.github/actions/extism
+      - name: Setup Go env
+        uses: actions/setup-go@v3
+
+      - name: Test Go Host SDK
+        run: |
+          go version
+          cd go
+          LD_LIBRARY_PATH=/usr/local/lib go run main.go
+          LD_LIBRARY_PATH=/usr/local/lib go test
+
+  python:
+    name: Python
+    needs: lib
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        rust:
+          - stable
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v3
+      - uses: ./.github/actions/extism
+      - name: Setup Python env
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.9"
+          check-latest: true
+      - name: Install Poetry
+        uses: snok/install-poetry@v1
+      - name: Test Python Host SDK
+        run: |
+          cd python
+          poetry install
+          poetry run python example.py
+          poetry run python -m unittest discover
+
+  ruby:
+    name: Ruby
+    needs: lib
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        rust:
+          - stable
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v3
+      - uses: ./.github/actions/extism
+      - name: Setup Ruby env
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: "3.0"
+
+      - name: Test Ruby Host SDK
+        run: |
+          cd ruby
+          bundle install
+          ruby example.rb
+          rake test
+
+  node:
+    name: Node
+    needs: lib
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        rust:
+          - stable
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v3
+      - uses: ./.github/actions/extism
+      - name: Setup Node env
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18
+
+      - name: Test Node Host SDK
+        run: |
+          cd node
+          npm i
+          LD_LIBRARY_PATH=/usr/local/lib npm run build
+          LD_LIBRARY_PATH=/usr/local/lib npm run example
+          LD_LIBRARY_PATH=/usr/local/lib npm run test
+
+  ocaml:
+    name: OCaml
+    needs: lib
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        rust:
+          - stable
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v3
+      - uses: ./.github/actions/extism
+      - name: Setup OCaml env
+        uses: ocaml/setup-ocaml@v2
+        with:
+          ocaml-compiler: ocaml-base-compiler.5.0.0~beta1
+      - name: Cache OCaml
+        id: cache-ocaml
+        uses: actions/cache@v3
+        with:
+          path: _build
+          key: ${{ runner.os }}-ocaml-${{ hashFiles('ocaml/**') }}-${{ hashFiles('dune-project') }}
+      - name: Build OCaml Host SDK
+        if: steps.cache-ocaml.outputs.cache-hit != 'true'
+        run: |
+          cd ocaml
+          LD_LIBRARY_PATH=/usr/local/lib opam exec -- dune build
+      - name: Test OCaml Host SDK
+        run: |
+          opam install -y --deps-only .
+          cd ocaml
+          LD_LIBRARY_PATH=/usr/local/lib opam exec -- dune exec ./bin/main.exe
+          LD_LIBRARY_PATH=/usr/local/lib opam exec -- dune runtest
+
+  haskell:
+    name: Haskell
+    needs: lib
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        rust:
+          - stable
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v3
+      - uses: ./.github/actions/extism
+      - name: Setup Haskell env
+        uses: haskell/actions/setup@v2
+        with:
+          enable-stack: true
+          stack-version: "latest"
+      - name: Cache Haskell
+        id: cache-haskell
+        uses: actions/cache@v3
+        with:
+          path: .stack-work
+          key: ${{ runner.os }}-haskell-${{ hashFiles('haskell/**') }}
+      - name: Build Haskell Host SDK
+        if: steps.cache-haskell.outputs.cache-hit != 'true'
+        run: |
+          cd haskell
+          LD_LIBRARY_PATH=/usr/local/lib stack build
+      - name: Test Haskell SDK
+        run: |
+          cd haskell
+          LD_LIBRARY_PATH=/usr/local/lib stack test
+
+  php:
+    name: PHP
+    needs: lib
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        rust:
+          - stable
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v3
+      - uses: ./.github/actions/extism
+      - name: Setup PHP env
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: "8.1"
+          extensions: ffi
+          tools: composer
+        env:
+          fail-fast: true
+
+      - name: Test PHP SDK
+        run: |
+          cd php/example
+          composer install
+          php index.php
+
+  cpp:
+    name: C++
+    needs: lib
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        rust:
+          - stable
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v3
+      - uses: ./.github/actions/extism
+      - name: Install C++ SDK deps
+        if: ${{ matrix.os == 'macos-latest' }}
+        run: |
+          brew install jsoncpp googletest pkg-config
+      - name: Install C++ SDK deps
+        if: ${{ matrix.os == 'ubuntu-latest' }}
+        run: |
+          sudo apt-get install g++ libjsoncpp-dev libgtest-dev pkg-config
+      - name: Run C++ tests
+        run: |
+          cd cpp
+          LD_LIBRARY_PATH=/usr/local/lib make example
+          LD_LIBRARY_PATH=/usr/local/lib make test
+
   sdk_api_coverage:
     name: SDK API Coverage Report
     runs-on: ubuntu-latest
@@ -22,4 +368,3 @@ jobs:
         id: coverage
         run: |
           python scripts/sdk_coverage.py
-

.github/workflows/docs.yml

@@ -0,0 +1,34 @@
+name: Docs
+
+# Controls when the workflow will run
+on:
+  # Triggers the workflow on push or pull request events but only for the "main" branch
+  push:
+    branches: [ "main" ]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  build:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - uses: actions/checkout@v3
+
+      - name: Setup Python env
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.9"
+          check-latest: true
+          
+      - name: Build Python Docs
+        run: |
+          cd python
+          make prepare
+          make docs

.github/workflows/release-dotnet-native.yaml

@@ -1,29 +0,0 @@
-on:
-  workflow_dispatch:
-
-name: Release .NET Native NuGet Packages
-
-jobs:
-  release-runtimes:
-    name: release-dotnet-native
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Setup .NET Core SDK
-        uses: actions/setup-dotnet@v3.0.3
-        with:
-           dotnet-version: 7.x
-      - uses: dawidd6/action-download-artifact@v2
-        with:
-          workflow: release.yml
-          name: release-artifacts
-      - name: Extract Archive
-        run: |
-          tar -xvzf libextism-x86_64-pc-windows-msvc-v*.tar.gz --directory dotnet/nuget/runtimes
-          mv dotnet/nuget/runtimes/extism.dll dotnet/nuget/runtimes/win-x64.dll
-      - name: Publish win-x64
-        run: |
-          cd dotnet/nuget
-          dotnet pack -o dist
-          dotnet nuget push --source https://api.nuget.org/v3/index.json ./dist/*.nupkg --api-key ${{ secrets.NUGET_API_KEY }}

.github/workflows/release-dotnet.yaml

@@ -1,32 +0,0 @@
-on:
-  workflow_dispatch:
-
-name: Release .NET SDK
-
-jobs:
-  release-sdks:
-    name: release-dotnet
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Install extism shared library
-        shell: bash
-        run: |
-          mkdir -p /home/runner/.local/bin/  
-          export PATH="/home/runner/.local/bin/:$PATH"
-          curl https://raw.githubusercontent.com/extism/cli/main/install.sh | sh
-          extism --sudo --prefix /usr/local install
-      - name: Setup .NET Core SDK
-        uses: actions/setup-dotnet@v3.0.3
-        with:
-           dotnet-version: 7.x
-      - name: Test .NET Sdk
-        run: |
-          cd dotnet
-          LD_LIBRARY_PATH=/usr/local/lib dotnet test ./Extism.sln
-      - name: Publish .NET Sdk
-        run: |
-          cd dotnet/src/Extism.Sdk/
-          dotnet pack -c Release
-          dotnet nuget push --source https://api.nuget.org/v3/index.json ./bin/Release/*.nupkg --api-key ${{ secrets.NUGET_API_KEY }}

.github/workflows/release-elixir.yaml

@@ -1,34 +0,0 @@
-on:
-  workflow_dispatch:
-
-name: Release Elixir SDK
-
-jobs:
-  release-sdks:
-    name: release-elixir
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Install extism shared library
-        shell: bash
-        run: |
-          mkdir -p /home/runner/.local/bin/  
-          export PATH="/home/runner/.local/bin/:$PATH"
-          curl https://raw.githubusercontent.com/extism/cli/main/install.sh | sh
-          extism --sudo --prefix /usr/local install
-      - name: Setup Elixir Host SDK
-        uses: erlef/setup-beam@v1
-        with:
-          experimental-otp: true
-          otp-version: '25.0.4'
-          elixir-version: '1.14.0'
-
-      - name: Publish Elixir Host SDK to hex.pm
-        env:
-          HEX_API_KEY: ${{ secrets.HEX_PM_API_TOKEN }}
-        run: |
-          cd elixir
-          cp ../LICENSE .
-          make publish
-  

.github/workflows/release-haskell.yaml

@@ -1,16 +0,0 @@
-on:
-  workflow_dispatch:
-
-name: Release Haskell SDK
-
-jobs:
-  release-sdks:
-    name: release-rust
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-      - uses: cachix/haskell-release-action@v1
-        with:
-          - hackage-token: "${{ secrets.HACKAGE_TOKEN }}"
-          - work-dir: ./haskell

.github/workflows/release-java.yml

@@ -1,22 +0,0 @@
-name: Publish package to the Maven Central Repository
-on:
-  workflow_dispatch:
-jobs:
-  publish:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-      - name: Set up Java
-        uses: actions/setup-java@v3
-        with:
-          java-version: '11'
-          distribution: 'adopt'
-      - name: Publish package
-        env:
-          JRELEASER_NEXUS2_USERNAME: ${{ secrets.JRELEASER_NEXUS2_USERNAME }}
-          JRELEASER_NEXUS2_PASSWORD: ${{ secrets.JRELEASER_NEXUS2_PASSWORD }}
-          JRELEASER_GPG_PASSPHRASE: ${{ secrets.JRELEASER_GPG_PASSPHRASE }}
-          JRELEASER_GPG_SECRET_KEY: ${{ secrets.JRELEASER_GPG_SECRET_KEY }}
-          JRELEASER_GPG_PUBLIC_KEY: ${{ secrets.JRELEASER_GPG_PUBLIC_KEY }}
-          JRELEASER_GITHUB_TOKEN: "dummy"
-        run: mvn -Prelease clean jreleaser:prepare deploy jreleaser:deploy -DaltDeploymentRepository=local::default::file:./target/staging-deploy

.github/workflows/release-node.yaml

@@ -1,30 +0,0 @@
-on:
-  workflow_dispatch:
-
-name: Release Node SDK
-
-jobs:
-  release-sdks:
-    name: release-node
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-
-      - name: Setup Node env
-        uses: actions/setup-node@v3
-        with:
-          node-version: 16
-          registry-url: "https://registry.npmjs.org"
-        env:
-          NODE_AUTH_TOKEN: ${{ secrets.NPM_API_TOKEN }}
-          CI: true
-
-      - name: Release Node Host SDK
-        env:
-          NODE_AUTH_TOKEN: ${{ secrets.NPM_API_TOKEN }}
-          CI: true
-        run: |
-          cd node
-          make publish
-  

.github/workflows/release-python.yaml

@@ -1,36 +0,0 @@
-on:
-  workflow_dispatch:
-
-name: Release Python SDK
-
-jobs:
-  release-sdks:
-    name: release-python
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-
-      - name: Setup Python env
-        uses: actions/setup-python@v4
-        with:
-          python-version: "3.9"
-          check-latest: true
-      - name: Run image
-        uses: abatilo/actions-poetry@v2
-
-      - name: Build Python Host SDK
-        run: |
-          cd python
-          cp ../LICENSE .
-          make clean
-          poetry install --no-dev
-          poetry build
-
-      - name: Release Python Host SDK
-        uses: pypa/gh-action-pypi-publish@release/v1
-        with:
-          user: ${{ secrets.PYPI_API_USER }}
-          password: ${{ secrets.PYPI_API_TOKEN }}
-          packages_dir: python/dist/
-

.github/workflows/release-ruby.yaml

@@ -1,25 +0,0 @@
-on:
-  workflow_dispatch:
-
-name: Release Ruby SDK
-
-jobs:
-  release-sdks:
-    name: release-ruby
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-
-      - name: Setup Ruby
-        uses: actions/setup-ruby@v1
-        with:
-          ruby-version: '3.1' # Version range or exact version of a Ruby version to use, using semvers version range syntax.
-
-      - name: Publish Ruby Gem
-        env:
-          RUBYGEMS_API_KEY: ${{ secrets.RUBYGEMS_API_TOKEN }}
-        run: |
-          cd ruby
-          make publish RUBYGEMS_API_KEY=$RUBYGEMS_API_KEY
-      

.github/workflows/release-rust.yaml

@@ -1,39 +0,0 @@
-on:
-  workflow_dispatch:
-
-name: Release Rust SDK
-
-jobs:
-  release-sdks:
-    name: release-rust
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-      
-      - name: Setup Rust env
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
-          profile: minimal
-          override: true
-          target: ${{ matrix.target }}
-
-      - name: Release Rust Manifest Crate
-        env:
-          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_API_TOKEN }}
-        run: |
-          # order of crate publication matter: manifest, runtime, rust
-          cargo publish --manifest-path manifest/Cargo.toml
-          # allow for crates.io to update so dependant crates can locate extism-manifest
-          sleep 5 
-
-      - name: Release Rust Host SDK
-        if: always()
-        env:
-          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_API_TOKEN }}
-        run: |
-          #cargo publish --manifest-path runtime/Cargo.toml --no-verify
-          cargo publish --manifest-path rust/Cargo.toml
-      
-  

.github/workflows/release.yml

@@ -1,13 +1,12 @@
 on:
   release:
     types: [created]
-  workflow_dispatch:
 
 name: Release
 
 env:
   RUNTIME_MANIFEST: runtime/Cargo.toml
-  RUNTIME_CRATE: libextism
+  RUNTIME_CRATE: extism-runtime
   RUSTFLAGS: -C target-feature=-crt-static
   ARTIFACT_DIR: release-artifacts
 
@@ -214,3 +213,112 @@ jobs:
           files: |
             *.tar.gz
             *.txt
+
+  release-sdks:
+    needs: [release-linux, release-macos] # release-windows
+    name: publish-sdks
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup Node env
+        uses: actions/setup-node@v3
+        with:
+          node-version: 16
+          registry-url: "https://registry.npmjs.org"
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_API_TOKEN }}
+          CI: true
+
+      - name: Release Node Host SDK
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_API_TOKEN }}
+          CI: true
+        run: |
+          cd node
+          npm publish
+
+      - name: Setup Rust env
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          profile: minimal
+          override: true
+          target: ${{ matrix.target }}
+
+      - name: Release Rust Host SDK
+        env:
+          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_API_TOKEN }}
+        run: |
+          # order of crate publication matter: manifest, runtime, rust
+
+          cargo publish --manifest-path manifest/Cargo.toml
+          # allow for crates.io to update so dependant crates can locate extism-manifest
+          sleep 5 
+
+          cargo publish --manifest-path runtime/Cargo.toml --no-verify
+          cargo publish --manifest-path rust/Cargo.toml
+
+      - name: Setup Elixir Host SDK
+        uses: erlef/setup-beam@v1
+        with:
+          experimental-otp: true
+          otp-version: '25.0.4'
+          elixir-version: '1.14.0'
+
+      - name: Publish Elixir Host SDK to hex.pm
+        env:
+          HEX_API_KEY: ${{ secrets.HEX_PM_API_TOKEN }}
+        run: |
+          cd elixir
+          cp ../LICENSE .
+          mix do deps.get, deps.compile
+          mix hex.build
+          mix hex.publish --yes
+
+      - name: Setup Ruby
+        uses: actions/setup-ruby@v1
+        with:
+          ruby-version: '3.1' # Version range or exact version of a Ruby version to use, using semvers version range syntax.
+
+      - name: Publish Ruby Gem
+        env:
+          RUBYGEMS_API_KEY: ${{ secrets.RUBYGEMS_API_TOKEN }}
+        run: |
+          cd ruby
+          gem build extism.gemspec
+          gem push extism*.gem -k $RUBYGEMS_API_KEY
+        
+      - name: Publish Elixir Host SDK to hex.pm
+        env:
+          HEX_API_KEY: ${{ secrets.HEX_PM_API_TOKEN }}
+        run: |
+          cd elixir
+          mix do deps.get, deps.compile
+          mix hex.build
+          mix hex.publish --yes
+
+      - name: Setup Python env
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.9"
+          check-latest: true
+
+      - name: Build Python Host SDK
+        run: |
+          pushd python
+          python3 -m pip install --upgrade build
+          cp ../LICENSE .
+          cp ../README.md .
+          python3 -m poetry build
+          popd
+
+      - name: Release Python Host SDK
+        uses: pypa/gh-action-pypi-publish@release/v1
+        env:
+          INPUT_VERIFY_METADATA: false
+        with:
+          user: ${{ secrets.PYPI_API_USER }}
+          password: ${{ secrets.PYPI_API_TOKEN }}
+          packages_dir: python/dist/

.gitignore

@@ -27,18 +27,9 @@ ruby/tmp/
 ruby/Gemfile.lock
 rust/target
 rust/test.log
-duniverse
-_build
+ocaml/duniverse
+ocaml/_build
 php/Extism.php
-python/docs
 dist-newstyle
 .stack-work
-vendor
-zig/zig-*
-zig/example-out/
-zig/*.log
-java/*.iml
-java/*.log
-java/.idea
-java/.DS_Store
-
+vendor

.ocamlformat

@@ -1 +0,0 @@
-version = 0.24.1

Cargo.toml

@@ -3,6 +3,8 @@ members = [
   "manifest",
   "runtime",
   "rust",
-  "libextism",
 ]
-exclude = ["kernel"]
+exclude = [
+  "elixir/native/extism_nif"
+]
+

Makefile

@@ -18,23 +18,18 @@ else
 	FEATURE_FLAGS=--features $(FEATURES)
 endif
 
-build:
-	cargo build --release $(FEATURE_FLAGS) --manifest-path libextism/Cargo.toml
 
-.PHONY: kernel
-kernel:
-	cd kernel && bash build.sh
+.PHONY: build
 
 lint:
 	cargo clippy --release --no-deps --manifest-path runtime/Cargo.toml
 
-debug:
-	RUSTFLAGS=-g $(MAKE) build
+build:
+	cargo build --release $(FEATURE_FLAGS) --manifest-path runtime/Cargo.toml
 
 install:
-	mkdir -p $(DEST)/lib $(DEST)/include
-	install runtime/extism.h $(DEST)/include/extism.h
-	install target/release/libextism.$(SOEXT) $(DEST)/lib/libextism.$(SOEXT)
+	install runtime/extism.h $(DEST)/include
+	install target/release/libextism.$(SOEXT) $(DEST)/lib
 
 uninstall:
 	rm -f $(DEST)/include/extism.h $(DEST)/lib/libextism.$(SOEXT)

README.md

@@ -1,8 +1,6 @@
 ### _Welcome!_
 
-**Please note:** This project still under active development and APIs may change until we hit v1.0.
-
-If you're interested in working on or building with Extism, please join our [Discord](https://discord.gg/cx3usBCWnc) and let us know - we are happy to help get you started.
+**Please note:** this project still under active development. It's usable, but expect some rough edges while work is underway. If you're interested in working on or building with Extism, please join our [Discord](https://discord.gg/cx3usBCWnc) and let us know - we are happy to help get you started.
 
 [![Discord](https://img.shields.io/discord/1011124058408112148?color=%23404eed&label=Community%20Chat&logo=Discord&logoColor=%23404eed)](https://discord.gg/cx3usBCWnc)
 
@@ -12,21 +10,14 @@ The universal plug-in system. Run WebAssembly extensions inside your app. Use id
 [Ruby](https://extism.org/docs/integrate-into-your-codebase/ruby-host-sdk), [Python](https://extism.org/docs/integrate-into-your-codebase/python-host-sdk), 
 [Node](https://extism.org/docs/integrate-into-your-codebase/node-host-sdk), [Rust](https://extism.org/docs/integrate-into-your-codebase/rust-host-sdk), 
 [C](https://extism.org/docs/integrate-into-your-codebase/c-host-sdk), [C++](https://extism.org/docs/integrate-into-your-codebase/cpp-host-sdk), 
-[OCaml](https://extism.org/docs/integrate-into-your-codebase/ocaml-host-sdk), 
-[Haskell](https://extism.org/docs/integrate-into-your-codebase/haskell-host-sdk), 
-[PHP](https://extism.org/docs/integrate-into-your-codebase/php-host-sdk), 
-[Elixir/Erlang](https://extism.org/docs/integrate-into-your-codebase/elixir-or-erlang-host-sdk), 
-[.NET](https://extism.org/docs/integrate-into-your-codebase/dotnet-host-sdk),
-[Java](https://extism.org/docs/integrate-into-your-codebase/java-host-sdk),
-[Zig](https://extism.org/docs/integrate-into-your-codebase/zig-host-sdk) & more (others coming soon). 
+[OCaml](https://extism.org/docs/integrate-into-your-codebase/ocaml-host-sdk), [Haskell](https://extism.org/docs/integrate-into-your-codebase/haskell-host-sdk), [PHP](https://extism.org/docs/integrate-into-your-codebase/php-host-sdk), [Elixir/Erlang](https://extism.org/docs/integrate-into-your-codebase/elixir-or-erlang-host-sdk) & more (others coming soon). 
 
-Plug-in development kits (PDK) for plug-in authors supported in [Rust](https://github.com/extism/rust-pdk), [AssemblyScript](https://github.com/extism/assemblyscript-pdk), [Go](https://github.com/extism/go-pdk), [C/C++](https://github.com/extism/c-pdk), [Haskell](https://github.com/extism/haskell-pdk), and [Zig](https://github.com/extism/zig-pdk).
+Plug-in development kits (PDK) for plug-in authors supported in [Rust](https://github.com/extism/rust-pdk), [AssemblyScript](https://github.com/extism/assemblyscript-pdk), [Go](https://github.com/extism/go-pdk), [C/C++](https://github.com/extism/c-pdk).
 
 <p align="center">
-  <img style="width: 70%;" src="https://user-images.githubusercontent.com/7517515/210286900-39b144fd-1b26-4dd0-b7a9-2b5755bc174d.png" alt="Extism embedded SDK language support"/>
+  <img style="width: 70%;" src="https://user-images.githubusercontent.com/7517515/198499438-f3de06e5-71b4-439d-ab31-a3672acc6ede.png"/>
 </p>
 
-
 Add a flexible, secure, and _bLaZiNg FaSt_ plug-in system to your project. Server, desktop, mobile, web, database -- you name it. Enable users to write and execute safe extensions to your software in **3 easy steps:**
 
 ### 1. Import
@@ -64,4 +55,5 @@ Extism is an open-source product from the team at:
 </p>
 
 
+
 _Reach out and tell us what you're building! We'd love to help._

browser/.gitignore

@@ -1,130 +0,0 @@
-# Logs
-logs
-*.log
-npm-debug.log*
-yarn-debug.log*
-yarn-error.log*
-lerna-debug.log*
-.pnpm-debug.log*
-
-# Diagnostic reports (https://nodejs.org/api/report.html)
-report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
-
-# Runtime data
-pids
-*.pid
-*.seed
-*.pid.lock
-
-# Directory for instrumented libs generated by jscoverage/JSCover
-lib-cov
-
-# Coverage directory used by tools like istanbul
-coverage
-*.lcov
-
-# nyc test coverage
-.nyc_output
-
-# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
-.grunt
-
-# Bower dependency directory (https://bower.io/)
-bower_components
-
-# node-waf configuration
-.lock-wscript
-
-# Compiled binary addons (https://nodejs.org/api/addons.html)
-build/Release
-
-# Dependency directories
-node_modules/
-jspm_packages/
-
-# Snowpack dependency directory (https://snowpack.dev/)
-web_modules/
-
-# TypeScript cache
-*.tsbuildinfo
-
-# Optional npm cache directory
-.npm
-
-# Optional eslint cache
-.eslintcache
-
-# Optional stylelint cache
-.stylelintcache
-
-# Microbundle cache
-.rpt2_cache/
-.rts2_cache_cjs/
-.rts2_cache_es/
-.rts2_cache_umd/
-
-# Optional REPL history
-.node_repl_history
-
-# Output of 'npm pack'
-*.tgz
-
-# Yarn Integrity file
-.yarn-integrity
-
-# dotenv environment variable files
-.env
-.env.development.local
-.env.test.local
-.env.production.local
-.env.local
-
-# parcel-bundler cache (https://parceljs.org/)
-.cache
-.parcel-cache
-
-# Next.js build output
-.next
-out
-
-# Nuxt.js build / generate output
-.nuxt
-dist
-
-# Gatsby files
-.cache/
-# Comment in the public line in if your project uses Gatsby and not Next.js
-# https://nextjs.org/blog/next-9-1#public-directory-support
-# public
-
-# vuepress build output
-.vuepress/dist
-
-# vuepress v2.x temp and cache directory
-.temp
-.cache
-
-# Docusaurus cache and generated files
-.docusaurus
-
-# Serverless directories
-.serverless/
-
-# FuseBox cache
-.fusebox/
-
-# DynamoDB Local files
-.dynamodb/
-
-# TernJS port file
-.tern-port
-
-# Stores VSCode versions used for testing VSCode extensions
-.vscode-test
-
-# yarn v2
-.yarn/cache
-.yarn/unplugged
-.yarn/build-state.yml
-.yarn/install-state.gz
-.pnp.*

browser/.prettierrc

@@ -1,5 +0,0 @@
-{
-  "printWidth": 120,
-  "trailingComma": "all",
-  "singleQuote": true
-}

browser/Makefile

@@ -1,28 +0,0 @@
-.PHONY: test
-
-prepare:
-	npm install
-
-build:
-	npm run build
-
-test: prepare
-	npm run test
-
-clean:
-	echo "No clean implemented"
-
-publish: clean prepare build
-	npm publish
-
-format:
-	npx prettier --write src
-
-lint:
-	npx prettier --check src
-
-docs:
-	npx typedoc --out doc src
-
-show-docs: docs
-	open doc/index.html

browser/build.js

@@ -1,23 +0,0 @@
-const { build } = require("esbuild");
-const { peerDependencies } = require('./package.json')
-
-const sharedConfig = {
-    entryPoints: ["src/index.ts"],
-    bundle: true,
-    minify: false,
-    drop: [], // preseve debugger statements
-    external: Object.keys(peerDependencies || {}),
-};
-
-build({
-    ...sharedConfig,
-    platform: 'node', // for CJS
-    outfile: "dist/index.js",
-});
-
-build({
-    ...sharedConfig,
-    outfile: "dist/index.esm.js",
-    platform: 'neutral', // for ESM
-    format: "esm",
-});

browser/index.html

@@ -1,248 +0,0 @@
-<html>
-  <head>
-    <script src="https://unpkg.com/babel-standalone@6/babel.min.js"></script>
-    <script src="https://unpkg.com/react@18/umd/react.development.js" crossorigin></script>
-    <script src="https://unpkg.com/react-dom@18/umd/react-dom.development.js" crossorigin></script>
-    <style>
-      #main {
-        width: 100%;
-      }
-      .manifest {
-        display: flex; /* or inline-flex */
-        flex-direction: row;
-        flex-wrap: nowrap;
-        width: 100%;
-      }
-      .urlInput {
-        width: 600px;
-      }
-      .funcName {
-        width: 150px;
-      }
-      .textAreas {
-        display: flex; /* or inline-flex */
-        flex-direction: row;
-        flex-wrap: nowrap;
-        width: 100%;
-        height: 300px;
-      }
-      .inputBox {
-        width: 100%;
-        height: 100%; 
-      }
-      .inputBox > textarea {
-        width: 100%;
-        height: 100%; 
-      }
-      .outputBox {
-        width: 100%;
-        height: 100%; 
-      }
-      .outputBox > textarea {
-        width: 100%;
-        height: 100%; 
-      }
-      .space {
-        height: 80px;
-      }
-      .dragAreas {
-        display: flex; /* or inline-flex */
-        flex-direction: row;
-        flex-wrap: nowrap;
-        width: 100%;
-        height: 200px;
-      }
-      .dragInput {
-        width: 100%;
-        height: 100%; 
-        border-style: dotted;
-        border-color: #000;
-      }
-      .dragOutput {
-        width: 100%;
-        height: 100%; 
-      }
-      .dropZone {
-        width: 100%;
-        height: 100%; 
-      } 
-      .outputImage {
-        width: 100%;
-        height: 100%; 
-      }
-      
-    </style>
-
-    <script type="text/babel">
-      function getBase64(file, cb) {
-        var reader = new FileReader();
-        reader.readAsDataURL(file);
-        reader.onload = function () {
-          cb(reader.result)
-        };
-        reader.onerror = function (error) {
-          console.log("error")
-        };
-      }
-
-      function arrayTob64(buffer) {
-        var binary = '';
-        var bytes = [].slice.call(buffer);
-        bytes.forEach((b) => binary += String.fromCharCode(b));
-        return window.btoa(binary);
-      }
-
-
-      class App extends React.Component {
-        state = {
-          url: "https://raw.githubusercontent.com/extism/extism/main/wasm/code.wasm",
-          input: new Uint8Array(),
-          output: new Uint8Array(),
-          func_name: "count_vowels",
-          functions: []
-        }
-
-        async loadFunctions(url) {
-            let helloWorld = function(index){
-              console.log("Hello, " + this.allocator.getString(index));
-              return index;
-            };
-            let plugin = await this.extismContext.newPlugin({ "wasm": [ { "path": url } ] }, {"hello_world": helloWorld});
-            let functions = Object.keys(await plugin.getExports())
-            console.log("funcs ", functions)
-            this.setState({functions})
-        }
-
-        componentDidMount() {
-          this.loadFunctions(this.state.url)
-        }
-
-        constructor(props) {
-          super(props)
-          this.extismContext = props.extismContext
-        }
-
-        handleInputChange(e) {
-          e.preventDefault();
-          this.setState({ [e.target.name]: e.target.value })
-          if (e.target.name === "url") {
-            this.loadFunctions(e.target.value)
-          }
-        }
-
-        onInputKeyPress(e) {
-          if (e.keyCode == 13 && e.shiftKey == true) {
-            e.preventDefault()
-            this.handleOnRun()
-          }
-        }
-
-        async handleOnRun(e) {
-          e && e.preventDefault && e.preventDefault();
-          let helloWorld = function(index){
-            console.log("Hello, " + this.allocator.getString(index));
-            return index;
-          };
-          let plugin = await this.extismContext.newPlugin({ "wasm": [ { "path": this.state.url } ] }, {
-              "hello_world": helloWorld
-          });
-          let result = await plugin.call(this.state.func_name, this.state.input)
-          let output = result
-          this.setState({output})
-        }
-
-        nop = (e) => {
-          e.preventDefault();
-          e.stopPropagation();
-        };
-        handleDrop = e => {
-          e.preventDefault();
-          e.stopPropagation();
-          let files = [...e.dataTransfer.files];
-          if (files && files.length == 1) {
-            let file = files[0]
-            console.log(file)
-            file.arrayBuffer().then(b => {
-              this.setState({input: new Uint8Array(b)})
-              this.handleOnRun()
-            })
-          } else {
-            throw Error("Only one file please")
-          }
-        };
-
-        render() {
-          const funcOptions = this.state.functions.map(f => <option value={f}>{f}</option>)
-          let image = null
-          if (this.state.output) {
-              image = <img src={`data:image/png;base64,${arrayTob64(this.state.output)}`}/>
-          }
-
-          return <div className="app">
-            <div className="manifest">
-              <div>
-                <label>WASM Url: </label>
-                <input type="text" name="url" className="urlInput" value={this.state.url} onChange={this.handleInputChange.bind(this)} />
-              </div>
-              <div>
-                <label>Function: </label>
-                <select type="text" name="func_name" className="funcName" value={this.state.func_name} onChange={this.handleInputChange.bind(this)}>
-                  {funcOptions}
-                </select>
-              </div>
-              <div>
-                <button onClick={this.handleOnRun.bind(this)}>Run</button>
-              </div>
-            </div>
-            <div className="textAreas">
-              <div className="inputBox">
-                <h3>Text Input</h3>
-                <textarea name="input" value={this.state.input} onChange={this.handleInputChange.bind(this)} onKeyDown={this.onInputKeyPress.bind(this)}></textarea>
-              </div>
-              <div className="outputBox">
-                <h3>Text Output</h3>
-                <textarea name="output" value={new TextDecoder().decode(this.state.output)} ></textarea>
-              </div>
-            </div>
-            <div className="space" />
-            <div className="dragAreas">
-              <div className="dragInput">
-                <h3>Image Input</h3>
-                <div className="dropZone"
-                  onDrop={this.handleDrop.bind(this)}
-                  onDragOver={this.nop.bind(this)}
-                  onDragEnter={this.nop.bind(this)}
-                  onDragLeave={this.nop.bind(this)}
-                >
-                </div>
-              </div>
-              <div className="dragOutput">
-                <h3>Image Output</h3>
-                <div className="outputImage">
-                  {image}
-                </div>
-              </div>
-            </div>
-          </div>
-        }
-      }
-      window.App = App
-    </script>
-
-    <script type="module">
-      import {ExtismContext} from './dist/index.esm.js'
-      const e = React.createElement;
-
-      window.onload = () => {
-        const domContainer = document.getElementById('main');
-        console.log(domContainer)
-        const root = ReactDOM.createRoot(domContainer);
-        const extismContext = new ExtismContext()
-        root.render(e(App, {extismContext}));
-      }
-    </script>
-  </head>
-  <body>
-    <div id="main"></div>
-  </body>
-</html>

browser/jest.config.js

@@ -1,5 +0,0 @@
-/** @type {import('ts-jest/dist/types').InitialOptionsTsJest} */
-module.exports = {
-  preset: 'ts-jest',
-  testEnvironment: 'jsdom',
-};

browser/package.json

@@ -1,39 +0,0 @@
-{
-  "name": "@extism/runtime-browser",
-  "version": "0.3.0",
-  "description": "Extism runtime in the browser",
-  "scripts": {
-    "build": "node build.js && tsc --emitDeclarationOnly --outDir dist",
-    "format": "prettier --write \"src/**/*.ts\"",
-    "lint": "tslint -p tsconfig.json",
-    "test": "jest --config jest.config.js"
-  },
-  "private": false,
-  "publishConfig": {
-    "access": "public"
-  },
-  "files": [
-    "dist/*"
-  ],
-  "module": "dist/index.esm.js",
-  "main": "dist/index.js",
-  "typings": "dist/src/index.d.ts",
-  "author": "The Extism Authors <oss@extism.org>",
-  "license": "BSD-3-Clause",
-  "devDependencies": {
-    "@types/jest": "^29.2.2",
-    "esbuild": "^0.15.13",
-    "esbuild-jest": "^0.5.0",
-    "jest": "^29.2.2",
-    "jest-environment-jsdom": "^29.3.1",
-    "prettier": "^2.7.1",
-    "ts-jest": "^29.0.3",
-    "tslint": "^6.1.3",
-    "tslint-config-prettier": "^1.18.0",
-    "typedoc": "^0.23.20",
-    "typescript": "^4.8.4"
-  },
-  "dependencies": {
-    "@bjorn3/browser_wasi_shim": "^0.2.7"
-  }
-}

browser/src/allocator.ts

@@ -1,104 +0,0 @@
-type MemoryBlock = { offset: bigint; length: bigint };
-
-export default class Allocator {
-  currentIndex: bigint;
-  active: Record<number, MemoryBlock>;
-  freed: MemoryBlock[];
-  memory: Uint8Array;
-
-  constructor(n: number) {
-    this.currentIndex = BigInt(1);
-    this.active = {};
-    this.freed = [];
-    this.memory = new Uint8Array(n);
-  }
-
-  reset() {
-    this.currentIndex = BigInt(1);
-    this.active = {};
-    this.freed = [];
-  }
-
-  alloc(length: bigint): bigint {
-    for (var i = 0; i < this.freed.length; i++) {
-      let block = this.freed[i];
-      if (block.length === length) {
-        this.active[Number(block.offset)] = block;
-        this.freed.splice(i, 1);
-        return block.offset;
-      } else if (block.length > length + BigInt(64)) {
-        const newBlock = { offset: block.offset, length };
-        block.offset += length;
-        block.length -= length;
-        return newBlock.offset;
-      }
-    }
-
-    // Resize memory if needed
-    // TODO: put a limit on the memory size
-    if (BigInt(this.memory.length) < this.currentIndex + length) {
-      const tmp = new Uint8Array(Number(this.currentIndex + length + BigInt(64)));
-      tmp.set(this.memory);
-      this.memory = tmp;
-    }
-
-    const offset = this.currentIndex;
-    this.currentIndex += length;
-    this.active[Number(offset)] = { offset, length };
-    return offset;
-  }
-
-  getBytes(offset: bigint): Uint8Array | null {
-    const block = this.active[Number(offset)];
-    if (!block) {
-      return null;
-    }
-
-    return new Uint8Array(this.memory.buffer, Number(offset), Number(block.length));
-  }
-
-  getString(offset: bigint): string | null {
-    const bytes = this.getBytes(offset);
-    if (bytes === null) {
-      return null;
-    }
-
-    return new TextDecoder().decode(bytes);
-  }
-
-  allocBytes(data: Uint8Array): bigint {
-    const offs = this.alloc(BigInt(data.length));
-    const bytes = this.getBytes(offs);
-    if (bytes === null) {
-      this.free(offs);
-      return BigInt(0);
-    }
-
-    bytes.set(data);
-    return offs;
-  }
-
-  allocString(data: string): bigint {
-    const bytes = new TextEncoder().encode(data);
-    return this.allocBytes(bytes);
-  }
-
-  getLength(offset: bigint): bigint {
-    const block = this.active[Number(offset)];
-    if (!block) {
-      return BigInt(0);
-    }
-
-    return block.length;
-  }
-
-  free(offset: bigint) {
-    const block = this.active[Number(offset)];
-    if (!block) {
-      return;
-    }
-
-    delete this.active[Number(offset)];
-    this.freed.push(block);
-  }
-}

browser/src/context.ts

@@ -1,45 +0,0 @@
-import { Manifest, PluginConfig, ManifestWasmFile, ManifestWasmData } from './manifest';
-import { ExtismPlugin } from './plugin';
-
-/**
- * Can be a {@link Manifest} or just the raw bytes of the WASM module as an ArrayBuffer.
- * We recommend using {@link Manifest}
- */
-type ManifestData = Manifest | ArrayBuffer;
-
-/**
- * A Context is needed to create plugins. The Context
- * is where your plugins live. Freeing the context
- * frees all of the plugins in its scope.
- */
-export default class ExtismContext {
-  /**
-   * Create a plugin managed by this context
-   *
-   * @param manifest - The {@link ManifestData} describing the plugin code and config
-   * @param config - Config details for the plugin
-   * @returns A new Plugin scoped to this Context
-   */
-  async newPlugin(manifest: ManifestData, functions: Record<string, any> = {}, config?: PluginConfig) {
-    let moduleData: ArrayBuffer | null = null;
-    if (manifest instanceof ArrayBuffer) {
-      moduleData = manifest;
-    } else if ((manifest as Manifest).wasm) {
-      const wasmData = (manifest as Manifest).wasm;
-      if (wasmData.length > 1) throw Error('This runtime only supports one module in Manifest.wasm');
-      const wasm = wasmData[0];
-      if ((wasm as ManifestWasmData).data) {
-        moduleData = (wasm as ManifestWasmData).data;
-      } else if ((wasm as ManifestWasmFile).path) {
-        const response = await fetch((wasm as ManifestWasmFile).path);
-        moduleData = await response.arrayBuffer();
-        console.dir(moduleData);
-      }
-    }
-    if (!moduleData) {
-      throw Error(`Unsure how to interpret manifest ${manifest}`);
-    }
-
-    return new ExtismPlugin(moduleData, functions, config);
-  }
-}

browser/src/index.test.ts

@@ -1,24 +0,0 @@
-import { ExtismContext } from './';
-import fs from 'fs';
-import path from 'path';
-
-function parse(bytes: Uint8Array): any {
-  return JSON.parse(new TextDecoder().decode(bytes));
-}
-
-describe('', () => {
-  it('can load and call a plugin', async () => {
-    // const data = fs.readFileSync(path.join(__dirname, '..', 'data', 'code.wasm'));
-    // const ctx = new ExtismContext();
-    // const plugin = await ctx.newPlugin({ wasm: [{ data: data }] });
-    // const functions = await plugin.getExports();
-    // expect(Object.keys(functions).filter((x) => !x.startsWith('__') && x !== 'memory')).toEqual(['count_vowels']);
-    // let output = await plugin.call('count_vowels', 'this is a test');
-    // expect(parse(output)).toEqual({ count: 4 });
-    // output = await plugin.call('count_vowels', 'this is a test again');
-    // expect(parse(output)).toEqual({ count: 7 });
-    // output = await plugin.call('count_vowels', 'this is a test thrice');
-    // expect(parse(output)).toEqual({ count: 6 });
-    expect(true).toEqual(true);
-  });
-});

browser/src/index.ts

@@ -1,4 +0,0 @@
-import ExtismContext from './context';
-import { ExtismFunction, ExtismPlugin } from './plugin';
-
-export { ExtismContext, ExtismFunction, ExtismPlugin };

browser/src/manifest.ts

@@ -1,40 +0,0 @@
-/**
- * Represents a path or url to a WASM module
- */
-export type ManifestWasmFile = {
-  path: string;
-  name?: string;
-  hash?: string;
-};
-
-/**
- * Represents the raw bytes of a WASM file loaded into memory
- */
-export type ManifestWasmData = {
-  data: Uint8Array;
-  name?: string;
-  hash?: string;
-};
-
-/**
- * {@link ExtismPlugin} Config
- */
-export type PluginConfig = Map<string, string>;
-
-/**
- * The WASM to load as bytes or a path
- */
-export type ManifestWasm = ManifestWasmFile | ManifestWasmData;
-
-/**
- * The manifest which describes the {@link ExtismPlugin} code and
- * runtime constraints.
- *
- * @see [Extism > Concepts > Manifest](https://extism.org/docs/concepts/manifest)
- */
-export type Manifest = {
-  wasm: Array<ManifestWasm>;
-  //memory?: ManifestMemory;
-  config?: PluginConfig;
-  allowed_hosts?: Array<string>;
-};

browser/src/plugin.ts

@@ -1,203 +0,0 @@
-import Allocator from './allocator';
-import { PluginConfig } from './manifest';
-import { WASI, Fd } from '@bjorn3/browser_wasi_shim';
-
-export type ExtismFunction = any;
-
-export class ExtismPlugin {
-  moduleData: ArrayBuffer;
-  allocator: Allocator;
-  config?: PluginConfig;
-  vars: Record<string, Uint8Array>;
-  input: Uint8Array;
-  output: Uint8Array;
-  module?: WebAssembly.WebAssemblyInstantiatedSource;
-  functions: Record<string, ExtismFunction>;
-
-  constructor(moduleData: ArrayBuffer, functions: Record<string, ExtismFunction> = {}, config?: PluginConfig) {
-    this.moduleData = moduleData;
-    this.allocator = new Allocator(1024 * 1024);
-    this.config = config;
-    this.vars = {};
-    this.input = new Uint8Array();
-    this.output = new Uint8Array();
-    this.functions = functions;
-  }
-
-  async getExports(): Promise<WebAssembly.Exports> {
-    const module = await this._instantiateModule();
-    return module.instance.exports;
-  }
-
-  async getImports(): Promise<WebAssembly.ModuleImportDescriptor[]> {
-    const module = await this._instantiateModule();
-    return WebAssembly.Module.imports(module.module);
-  }
-
-  async getInstance(): Promise<WebAssembly.Instance> {
-    const module = await this._instantiateModule();
-    return module.instance;
-  }
-
-  async call(func_name: string, input: Uint8Array | string): Promise<Uint8Array> {
-    const module = await this._instantiateModule();
-
-    if (typeof input === 'string') {
-      this.input = new TextEncoder().encode(input);
-    } else if (input instanceof Uint8Array) {
-      this.input = input;
-    } else {
-      throw new Error('input should be string or Uint8Array');
-    }
-
-    this.allocator.reset();
-
-    let func = module.instance.exports[func_name];
-    if (!func) {
-      throw Error(`function does not exist ${func_name}`);
-    }
-    //@ts-ignore
-    func();
-    return this.output;
-  }
-
-  async _instantiateModule(): Promise<WebAssembly.WebAssemblyInstantiatedSource> {
-    if (this.module) {
-      return this.module;
-    }
-    const environment = this.makeEnv();
-    const args: Array<string> = [];
-    const envVars: Array<string> = [];
-    let fds: Fd[] = [
-      // new XtermStdio(term), // stdin
-      // new XtermStdio(term), // stdout
-      // new XtermStdio(term), // stderr
-    ];
-    let wasi = new WASI(args, envVars, fds);
-    let env = {
-      wasi_snapshot_preview1: wasi.wasiImport,
-      env: environment,
-    };
-    this.module = await WebAssembly.instantiate(this.moduleData, env);
-    // normally we would call wasi.start here but it doesn't respect when there is
-    // no _start function
-    //@ts-ignore
-    wasi.inst = this.module.instance;
-    if (this.module.instance.exports._start) {
-      //@ts-ignore
-      this.module.instance.exports._start();
-    }
-    return this.module;
-  }
-
-  makeEnv(): any {
-    const plugin = this;
-    var env: any = {
-      extism_alloc(n: bigint): bigint {
-        return plugin.allocator.alloc(n);
-      },
-      extism_free(n: bigint) {
-        plugin.allocator.free(n);
-      },
-      extism_load_u8(n: bigint): number {
-        return plugin.allocator.memory[Number(n)];
-      },
-      extism_load_u64(n: bigint): bigint {
-        let cast = new DataView(plugin.allocator.memory.buffer, Number(n));
-        return cast.getBigUint64(0, true);
-      },
-      extism_store_u8(offset: bigint, n: number) {
-        plugin.allocator.memory[Number(offset)] = Number(n);
-      },
-      extism_store_u64(offset: bigint, n: bigint) {
-        const tmp = new DataView(plugin.allocator.memory.buffer, Number(offset));
-        tmp.setBigUint64(0, n, true);
-      },
-      extism_input_length(): bigint {
-        return BigInt(plugin.input.length);
-      },
-      extism_input_load_u8(i: bigint): number {
-        return plugin.input[Number(i)];
-      },
-      extism_input_load_u64(idx: bigint): bigint {
-        let cast = new DataView(plugin.input.buffer, Number(idx));
-        return cast.getBigUint64(0, true);
-      },
-      extism_output_set(offset: bigint, length: bigint) {
-        const offs = Number(offset);
-        const len = Number(length);
-        plugin.output = plugin.allocator.memory.slice(offs, offs + len);
-      },
-      extism_error_set(i: bigint) {
-        throw plugin.allocator.getString(i);
-      },
-      extism_config_get(i: bigint): bigint {
-        if (typeof plugin.config === 'undefined') {
-          return BigInt(0);
-        }
-        const key = plugin.allocator.getString(i);
-        if (key === null) {
-          return BigInt(0);
-        }
-        const value = plugin.config.get(key);
-        if (typeof value === 'undefined') {
-          return BigInt(0);
-        }
-        return plugin.allocator.allocString(value);
-      },
-      extism_var_get(i: bigint): bigint {
-        const key = plugin.allocator.getString(i);
-        if (key === null) {
-          return BigInt(0);
-        }
-        const value = plugin.vars[key];
-        if (typeof value === 'undefined') {
-          return BigInt(0);
-        }
-        return plugin.allocator.allocBytes(value);
-      },
-      extism_var_set(n: bigint, i: bigint) {
-        const key = plugin.allocator.getString(n);
-        if (key === null) {
-          return;
-        }
-        const value = plugin.allocator.getBytes(i);
-        if (value === null) {
-          return;
-        }
-        plugin.vars[key] = value;
-      },
-      extism_http_request(n: bigint, i: bigint): number {
-        debugger;
-        return 0;
-      },
-      extism_length(i: bigint): bigint {
-        return plugin.allocator.getLength(i);
-      },
-      extism_log_warn(i: bigint) {
-        const s = plugin.allocator.getString(i);
-        console.warn(s);
-      },
-      extism_log_info(i: bigint) {
-        const s = plugin.allocator.getString(i);
-        console.log(s);
-      },
-      extism_log_debug(i: bigint) {
-        const s = plugin.allocator.getString(i);
-        console.debug(s);
-      },
-      extism_log_error(i: bigint) {
-        const s = plugin.allocator.getString(i);
-        console.error(s);
-      },
-    };
-
-    for (const [name, func] of Object.entries(this.functions)) {
-      env[name] = function () {
-        return func.apply(plugin, arguments);
-      };
-    }
-
-    return env;
-  }
-}

browser/tsconfig.json

@@ -1,13 +0,0 @@
-{
-  "compilerOptions": {
-    "target": "es2016", 
-    "module": "commonjs",  
-    "esModuleInterop": true,
-    "forceConsistentCasingInFileNames": true,
-    "declaration": true,
-    "strict": true,                   
-    "skipLibCheck": true,
-    "allowJs": true
-  },
-  "exclude": ["node_modules", "dist", "**/*.test.ts"]
-}

browser/tslint.json

@@ -1,6 +0,0 @@
-{
-    "extends": [
-        "tslint:recommended",
-        "tslint-config-prettier"
-    ]
-}

c/Makefile

@@ -1,2 +1,2 @@
 build:
-	clang -g -o main main.c -lextism -L .
+	clang -o main main.c -lextism -L .

c/main.c

@@ -9,21 +9,6 @@
 #include <sys/stat.h>
 #include <unistd.h>
 
-void hello_world(ExtismCurrentPlugin *plugin, const ExtismVal *inputs,
-                 uint64_t n_inputs, ExtismVal *outputs, uint64_t n_outputs,
-                 void *data) {
-  puts("Hello from C!");
-  puts(data);
-
-  ExtismSize ptr_offs = inputs[0].v.i64;
-
-  uint8_t *buf = extism_current_plugin_memory(plugin) + ptr_offs;
-  uint64_t length = extism_current_plugin_memory_length(plugin, ptr_offs);
-  fwrite(buf, length, 1, stdout);
-  fputc('\n', stdout);
-  outputs[0].v.i64 = inputs[0].v.i64;
-}
-
 uint8_t *read_file(const char *filename, size_t *len) {
 
   FILE *fp = fopen(filename, "rb");
@@ -36,7 +21,6 @@ uint8_t *read_file(const char *filename, size_t *len) {
 
   uint8_t *data = malloc(length);
   if (data == NULL) {
-    fclose(fp);
     return NULL;
   }
 
@@ -56,18 +40,13 @@ int main(int argc, char *argv[]) {
   ExtismContext *ctx = extism_context_new();
 
   size_t len = 0;
-  uint8_t *data = read_file("../wasm/code-functions.wasm", &len);
-  ExtismValType inputs[] = {I64};
-  ExtismValType outputs[] = {I64};
-  ExtismFunction *f = extism_function_new("hello_world", inputs, 1, outputs, 1,
-                                          hello_world, "Hello, again!", NULL);
-  ExtismPlugin plugin =
-      extism_plugin_new(ctx, data, len, (const ExtismFunction **)&f, 1, true);
+  uint8_t *data = read_file("../wasm/code.wasm", &len);
+  ExtismPlugin plugin = extism_plugin_new(ctx, data, len, false);
   free(data);
   if (plugin < 0) {
-    puts(extism_error(ctx, -1));
     exit(1);
   }
+
   assert(extism_plugin_call(ctx, plugin, "count_vowels", (uint8_t *)argv[1],
                             strlen(argv[1])) == 0);
   ExtismSize out_len = extism_plugin_output_length(ctx, plugin);
@@ -76,7 +55,6 @@ int main(int argc, char *argv[]) {
   write(STDOUT_FILENO, "\n", 1);
 
   extism_plugin_free(ctx, plugin);
-  extism_function_free(f);
   extism_context_free(ctx);
   return 0;
 }

composer.json

@@ -1,49 +1,50 @@
 {
-  "name": "extism/extism",
-  "description": "Make your software programmable. Run WebAssembly extensions in your app using the first off-the-shelf, universal plug-in system.",
-  "license": "BSD-3-Clause",
-  "type": "library",
-  "keywords": [
-    "WebAssembly",
-    "plugin-system",
-    "runtime",
-    "plug-in"
-  ],
-  "authors": [
-    {
-      "name": "The Extism Authors",
-      "email": "oss@extism.org",
-      "homepage": "https://extism.org"
+    "name": "extism/extism",
+    "description": "Make your software programmable. Run WebAssembly extensions in your app using the first off-the-shelf, universal plug-in system.",
+    "license": "BSD-3-Clause",
+    "type": "library",
+    "keywords": [
+        "WebAssembly",
+        "plugin-system",
+        "runtime",
+        "plug-in"
+    ],
+    "authors": [
+        {
+            "name": "The Extism Authors",
+            "email": "oss@extism.org",
+            "homepage": "https://extism.org"
+        },
+        {
+            "name": "Dylibso, Inc.",
+            "email": "oss@dylib.so",
+            "homepage": "https://dylib.so"
+        }
+    ],
+    "require": {
+        "php": "^7.4 || ^8",
+        "ircmaxell/ffime": "dev-master"
     },
-    {
-      "name": "Dylibso, Inc.",
-      "email": "oss@dylib.so",
-      "homepage": "https://dylib.so"
-    }
-  ],
-  "require": {
-    "php": "^7.4 || ^8",
-    "ircmaxell/ffime": "dev-master"
-  },
-  "suggest": {},
-  "minimum-stability": "dev",
-  "prefer-stable": true,
-  "autoload": {
-    "psr-4": {
-      "Extism\\": "php/src/"
+    "suggest": {},
+    "minimum-stability": "dev",
+    "prefer-stable": true,
+    "autoload": {
+        "psr-4": {
+            "Extism\\": "php/src/"
+        },
+        "files": [
+            "php/src/Plugin.php",
+            "php/src/generate.php",
+            "php/src/extism.h"
+        ]
     },
-    "files": [
-      "php/src/Context.php",
-      "php/src/Plugin.php"
-    ]
-  },
-  "autoload-dev": {
-    "psr-4": {}
-  },
-  "config": {
-    "sort-packages": true
-  },
-  "extra": {},
-  "scripts": {},
-  "scripts-descriptions": {}
+    "autoload-dev": {
+        "psr-4": {}
+    },
+    "config": {
+        "sort-packages": true
+    },
+    "extra": {},
+    "scripts": {},
+    "scripts-descriptions": {}
 }

cpp/Makefile

@@ -1,16 +1,15 @@
 FLAGS=`pkg-config --cflags --libs jsoncpp gtest` -lextism -lpthread
 
 build-example:
-	$(CXX) -std=c++14 -o example -I. example.cpp $(FLAGS)
+	$(CXX) -std=c++11 -o example -I. example.cpp $(FLAGS)
 	
 .PHONY: example
 example: build-example
 	./example
 
 build-test:
-	$(CXX) -std=c++14 -o test/test -I. test/test.cpp $(FLAGS)
+	$(CXX) -std=c++11 -o test/test -I. test/test.cpp $(FLAGS)
 
 .PHONY: test
 test: build-test
 	cd test && ./test
-

cpp/example.cpp

@@ -14,26 +14,10 @@ std::vector<uint8_t> read(const char *filename) {
 }
 
 int main(int argc, char *argv[]) {
-  auto wasm = read("../wasm/code-functions.wasm");
-  std::string tmp = "Testing";
+  auto wasm = read("../wasm/code.wasm");
+  Context context = Context();
 
-  // A lambda can be used as a host function
-  auto hello_world = [&tmp](CurrentPlugin plugin,
-                            const std::vector<Val> &inputs,
-                            std::vector<Val> &outputs, void *user_data) {
-    std::cout << "Hello from C++" << std::endl;
-    std::cout << (const char *)user_data << std::endl;
-    std::cout << tmp << std::endl;
-    outputs[0].v = inputs[0].v;
-  };
-
-  std::vector<Function> functions = {
-      Function("hello_world", {ValType::I64}, {ValType::I64}, hello_world,
-               (void *)"Hello again!",
-               [](void *x) { std::cout << "Free user data" << std::endl; }),
-  };
-
-  Plugin plugin(wasm, true, functions);
+  Plugin plugin = context.plugin(wasm);
 
   const char *input = argc > 1 ? argv[1] : "this is a test";
   ExtismSize length = strlen(input);

cpp/extism.hpp

@@ -1,10 +1,7 @@
 #pragma once
 
-#include <cstring>
-#include <functional>
 #include <map>
 #include <memory>
-#include <stdexcept>
 #include <string>
 #include <vector>
 
@@ -23,62 +20,27 @@ extern "C" {
 namespace extism {
 
 typedef std::map<std::string, std::string> Config;
-
-template <typename T> class ManifestKey {
-  bool is_set = false;
-
-public:
-  T value;
-  ManifestKey(T x, bool is_set = false) : is_set(is_set) { value = x; }
-
-  void set(T x) {
-    value = x;
-    is_set = true;
-  }
-
-  bool empty() const { return is_set == false; }
-};
-
 class Wasm {
-  std::string _path;
-  std::string _url;
-  // TODO: add base64 encoded raw data
-  ManifestKey<std::string> _hash =
-      ManifestKey<std::string>(std::string(), false);
-
 public:
-  // Create Wasm pointing to a path
-  static Wasm path(std::string s, std::string hash = std::string()) {
-    Wasm w;
-    w._path = s;
-    if (!hash.empty()) {
-      w._hash.set(hash);
-    }
-    return w;
-  }
-
-  // Create Wasm pointing to a URL
-  static Wasm url(std::string s, std::string hash = std::string()) {
-    Wasm w;
-    w._url = s;
-    if (!hash.empty()) {
-      w._hash.set(hash);
-    }
-    return w;
-  }
+  std::string path;
+  std::string url;
+  // TODO: add base64 encoded raw data
+  std::string hash;
 
 #ifndef EXTISM_NO_JSON
   Json::Value json() const {
     Json::Value doc;
 
-    if (!this->_path.empty()) {
-      doc["path"] = this->_path;
-    } else if (!this->_url.empty()) {
-      doc["url"] = this->_url;
+    if (!this->path.empty()) {
+      doc["path"] = this->path;
     }
 
-    if (!this->_hash.empty()) {
-      doc["hash"] = this->_hash.value;
+    if (!this->url.empty()) {
+      doc["url"] = this->url;
+    }
+
+    if (!this->hash.empty()) {
+      doc["hash"] = this->hash;
     }
 
     return doc;
@@ -90,23 +52,14 @@ class Manifest {
 public:
   Config config;
   std::vector<Wasm> wasm;
-  ManifestKey<std::vector<std::string>> allowed_hosts;
-  ManifestKey<std::map<std::string, std::string>> allowed_paths;
-  ManifestKey<uint64_t> timeout_ms;
+  std::vector<std::string> allowed_hosts;
 
-  // Empty manifest
-  Manifest()
-      : timeout_ms(0, false), allowed_hosts(std::vector<std::string>(), false),
-        allowed_paths(std::map<std::string, std::string>(), false) {}
-
-  // Create manifest with a single Wasm from a path
   static Manifest path(std::string s, std::string hash = std::string()) {
     Manifest m;
     m.add_wasm_path(s, hash);
     return m;
   }
 
-  // Create manifest with a single Wasm from a URL
   static Manifest url(std::string s, std::string hash = std::string()) {
     Manifest m;
     m.add_wasm_url(s, hash);
@@ -135,71 +88,43 @@ public:
     if (!this->allowed_hosts.empty()) {
       Json::Value h;
 
-      for (auto s : this->allowed_hosts.value) {
+      for (auto s : this->allowed_hosts) {
         h.append(s);
       }
       doc["allowed_hosts"] = h;
     }
 
-    if (!this->allowed_paths.empty()) {
-      Json::Value h;
-      for (auto k : this->allowed_paths.value) {
-        h[k.first] = k.second;
-      }
-      doc["allowed_paths"] = h;
-    }
-
-    if (!this->timeout_ms.empty()) {
-      doc["timeout_ms"] = Json::Value(this->timeout_ms.value);
-    }
-
     Json::FastWriter writer;
     return writer.write(doc);
   }
 #endif
 
-  // Add Wasm from path
   void add_wasm_path(std::string s, std::string hash = std::string()) {
-    Wasm w = Wasm::path(s, hash);
+    Wasm w;
+    w.path = s;
+    w.hash = hash;
     this->wasm.push_back(w);
   }
 
-  // Add Wasm from URL
   void add_wasm_url(std::string u, std::string hash = std::string()) {
-    Wasm w = Wasm::url(u, hash);
+    Wasm w;
+    w.url = u;
+    w.hash = hash;
     this->wasm.push_back(w);
   }
 
-  // Add host to allowed hosts
-  void allow_host(std::string host) {
-    if (this->allowed_hosts.empty()) {
-      this->allowed_hosts.set(std::vector<std::string>{});
-    }
-    this->allowed_hosts.value.push_back(host);
-  }
+  void allow_host(std::string host) { this->allowed_hosts.push_back(host); }
 
-  // Add path to allowed paths
-  void allow_path(std::string src, std::string dest = std::string()) {
-    if (this->allowed_paths.empty()) {
-      this->allowed_paths.set(std::map<std::string, std::string>{});
-    }
-
-    if (dest.empty()) {
-      dest = src;
-    }
-    this->allowed_paths.value[src] = dest;
-  }
-
-  // Set timeout
-  void set_timeout_ms(uint64_t ms) { this->timeout_ms = ms; }
-
-  // Set config key/value
   void set_config(std::string k, std::string v) { this->config[k] = v; }
 };
 
-class Error : public std::runtime_error {
+class Error : public std::exception {
+private:
+  std::string message;
+
 public:
-  Error(std::string msg) : std::runtime_error(msg) {}
+  Error(std::string msg) : message(msg) {}
+  const char *what() { return message.c_str(); }
 };
 
 class Buffer {
@@ -218,141 +143,14 @@ public:
   }
 };
 
-typedef ExtismValType ValType;
-typedef ExtismValUnion ValUnion;
-typedef ExtismVal Val;
-
-class CurrentPlugin {
-  ExtismCurrentPlugin *pointer;
-
-public:
-  CurrentPlugin(ExtismCurrentPlugin *p) : pointer(p) {}
-
-  uint8_t *memory() { return extism_current_plugin_memory(this->pointer); }
-  ExtismSize memory_length(uint64_t offs) {
-    return extism_current_plugin_memory_length(this->pointer, offs);
-  }
-
-  uint64_t alloc(ExtismSize size) {
-    return extism_current_plugin_memory_alloc(this->pointer, size);
-  }
-
-  void free(uint64_t offs) {
-    extism_current_plugin_memory_free(this->pointer, offs);
-  }
-
-  void returnString(Val &output, const std::string &s) {
-    this->returnBytes(output, (const uint8_t *)s.c_str(), s.size());
-  }
-
-  void returnBytes(Val &output, const uint8_t *bytes, size_t len) {
-    auto offs = this->alloc(len);
-    memcpy(this->memory() + offs, bytes, len);
-    output.v.i64 = offs;
-  }
-
-  uint8_t *inputBytes(Val &inp, size_t *length = nullptr) {
-    if (inp.t != ValType::I64) {
-      return nullptr;
-    }
-    if (length != nullptr) {
-      *length = this->memory_length(inp.v.i64);
-    }
-    return this->memory() + inp.v.i64;
-  }
-
-  std::string inputString(Val &inp) {
-    size_t length = 0;
-    char *buf = (char *)this->inputBytes(inp, &length);
-    return std::string(buf, length);
-  }
-};
-
-typedef std::function<void(CurrentPlugin, const std::vector<Val> &,
-                           std::vector<Val> &, void *user_data)>
-    FunctionType;
-
-struct UserData {
-  FunctionType func;
-  void *user_data = NULL;
-  std::function<void(void *)> free_user_data;
-};
-
-static void function_callback(ExtismCurrentPlugin *plugin,
-                              const ExtismVal *inputs, ExtismSize n_inputs,
-                              ExtismVal *outputs, ExtismSize n_outputs,
-                              void *user_data) {
-  UserData *data = (UserData *)user_data;
-  const std::vector<Val> inp(inputs, inputs + n_inputs);
-  std::vector<Val> outp(outputs, outputs + n_outputs);
-  data->func(CurrentPlugin(plugin), inp, outp, data->user_data);
-
-  for (ExtismSize i = 0; i < n_outputs; i++) {
-    outputs[i] = outp[i];
-  }
-}
-
-static void free_user_data(void *user_data) {
-  UserData *data = (UserData *)user_data;
-  if (data->user_data != NULL && data->free_user_data != NULL) {
-    data->free_user_data(data->user_data);
-  }
-}
-
-class Function {
-  std::shared_ptr<ExtismFunction> func;
-  std::string name;
-  UserData user_data;
-
-public:
-  Function(std::string name, const std::vector<ValType> inputs,
-           const std::vector<ValType> outputs, FunctionType f,
-           void *user_data = NULL, std::function<void(void *)> free = nullptr)
-      : name(name) {
-    this->user_data.func = f;
-    this->user_data.user_data = user_data;
-    this->user_data.free_user_data = free;
-    auto ptr = extism_function_new(
-        this->name.c_str(), inputs.data(), inputs.size(), outputs.data(),
-        outputs.size(), function_callback, &this->user_data, free_user_data);
-    this->func = std::shared_ptr<ExtismFunction>(ptr, extism_function_free);
-  }
-
-  void set_namespace(std::string s) {
-    extism_function_set_namespace(this->func.get(), s.c_str());
-  }
-
-  Function(const Function &f) { this->func = f.func; }
-
-  ExtismFunction *get() { return this->func.get(); }
-};
-
-class CancelHandle {
-  const ExtismCancelHandle *handle;
-
-public:
-  CancelHandle(const ExtismCancelHandle *x) : handle(x){};
-  bool cancel() { return extism_plugin_cancel(this->handle); }
-};
-
 class Plugin {
   std::shared_ptr<ExtismContext> context;
   ExtismPlugin plugin;
-  std::vector<Function> functions;
 
 public:
-  // Create a new plugin
-  Plugin(const uint8_t *wasm, ExtismSize length, bool with_wasi = false,
-         std::vector<Function> functions = std::vector<Function>(),
-         std::shared_ptr<ExtismContext> ctx = std::shared_ptr<ExtismContext>(
-             extism_context_new(), extism_context_free))
-      : functions(functions) {
-    std::vector<const ExtismFunction *> ptrs;
-    for (auto i : this->functions) {
-      ptrs.push_back(i.get());
-    }
-    this->plugin = extism_plugin_new(ctx.get(), wasm, length, ptrs.data(),
-                                     ptrs.size(), with_wasi);
+  Plugin(std::shared_ptr<ExtismContext> ctx, const uint8_t *wasm,
+         ExtismSize length, bool with_wasi = false) {
+    this->plugin = extism_plugin_new(ctx.get(), wasm, length, with_wasi);
     if (this->plugin < 0) {
       const char *err = extism_error(ctx.get(), -1);
       throw Error(err == nullptr ? "Unable to load plugin" : err);
@@ -360,39 +158,12 @@ public:
     this->context = ctx;
   }
 
-  Plugin(const std::string &str, bool with_wasi = false,
-         std::vector<Function> functions = {},
-         std::shared_ptr<ExtismContext> ctx = std::shared_ptr<ExtismContext>(
-             extism_context_new(), extism_context_free))
-      : Plugin((const uint8_t *)str.c_str(), str.size(), with_wasi, functions,
-               ctx) {}
-
-  Plugin(const std::vector<uint8_t> &data, bool with_wasi = false,
-         std::vector<Function> functions = {},
-         std::shared_ptr<ExtismContext> ctx = std::shared_ptr<ExtismContext>(
-             extism_context_new(), extism_context_free))
-      : Plugin(data.data(), data.size(), with_wasi, functions, ctx) {}
-
-  CancelHandle cancel_handle() {
-    return CancelHandle(
-        extism_plugin_cancel_handle(this->context.get(), this->id()));
-  }
-
 #ifndef EXTISM_NO_JSON
-  // Create a new plugin from Manifest
-  Plugin(const Manifest &manifest, bool with_wasi = false,
-         std::vector<Function> functions = {},
-         std::shared_ptr<ExtismContext> ctx = std::shared_ptr<ExtismContext>(
-             extism_context_new(), extism_context_free)) {
-    std::vector<const ExtismFunction *> ptrs;
-    for (auto i : this->functions) {
-      ptrs.push_back(i.get());
-    }
-
+  Plugin(std::shared_ptr<ExtismContext> ctx, const Manifest &manifest,
+         bool with_wasi = false) {
     auto buffer = manifest.json();
-    this->plugin =
-        extism_plugin_new(ctx.get(), (const uint8_t *)buffer.c_str(),
-                          buffer.size(), ptrs.data(), ptrs.size(), with_wasi);
+    this->plugin = extism_plugin_new(ctx.get(), (const uint8_t *)buffer.c_str(),
+                                     buffer.size(), with_wasi);
     if (this->plugin < 0) {
       const char *err = extism_error(ctx.get(), -1);
       throw Error(err == nullptr ? "Unable to load plugin from manifest" : err);
@@ -410,15 +181,9 @@ public:
 
   ExtismContext *get_context() const { return this->context.get(); }
 
-  void update(const uint8_t *wasm, size_t length, bool with_wasi = false,
-              std::vector<Function> functions = {}) {
-    this->functions = functions;
-    std::vector<const ExtismFunction *> ptrs;
-    for (auto i : this->functions) {
-      ptrs.push_back(i.get());
-    }
+  void update(const uint8_t *wasm, size_t length, bool with_wasi = false) {
     bool b = extism_plugin_update(this->context.get(), this->plugin, wasm,
-                                  length, ptrs.data(), ptrs.size(), with_wasi);
+                                  length, with_wasi);
     if (!b) {
       const char *err = extism_error(this->context.get(), -1);
       throw Error(err == nullptr ? "Unable to update plugin" : err);
@@ -426,17 +191,11 @@ public:
   }
 
 #ifndef EXTISM_NO_JSON
-  void update(const Manifest &manifest, bool with_wasi = false,
-              std::vector<Function> functions = {}) {
-    this->functions = functions;
-    std::vector<const ExtismFunction *> ptrs;
-    for (auto i : this->functions) {
-      ptrs.push_back(i.get());
-    }
+  void update(const Manifest &manifest, bool with_wasi = false) {
     auto buffer = manifest.json();
-    bool b = extism_plugin_update(
-        this->context.get(), this->plugin, (const uint8_t *)buffer.c_str(),
-        buffer.size(), ptrs.data(), ptrs.size(), with_wasi);
+    bool b = extism_plugin_update(this->context.get(), this->plugin,
+                                  (const uint8_t *)buffer.c_str(),
+                                  buffer.size(), with_wasi);
     if (!b) {
       const char *err = extism_error(this->context.get(), -1);
       throw Error(err == nullptr ? "Unable to update plugin" : err);
@@ -469,7 +228,6 @@ public:
     this->config(json.c_str(), json.size());
   }
 
-  // Call a plugin
   Buffer call(const std::string &func, const uint8_t *input,
               ExtismSize input_length) const {
     int32_t rc = extism_plugin_call(this->context.get(), this->plugin,
@@ -490,19 +248,15 @@ public:
     return Buffer(ptr, length);
   }
 
-  // Call a plugin function with std::vector<uint8_t> input
   Buffer call(const std::string &func,
               const std::vector<uint8_t> &input) const {
     return this->call(func, input.data(), input.size());
   }
 
-  // Call a plugin function with string input
-  Buffer call(const std::string &func,
-              const std::string &input = std::string()) const {
+  Buffer call(const std::string &func, const std::string &input) const {
     return this->call(func, (const uint8_t *)input.c_str(), input.size());
   }
 
-  // Returns true if the specified function exists
   bool function_exists(const std::string &func) const {
     return extism_plugin_function_exists(this->context.get(), this->plugin,
                                          func.c_str());
@@ -512,50 +266,38 @@ public:
 class Context {
 public:
   std::shared_ptr<ExtismContext> pointer;
-
-  // Create a new context;
   Context() {
     this->pointer = std::shared_ptr<ExtismContext>(extism_context_new(),
                                                    extism_context_free);
   }
 
-  // Create plugin from uint8_t*
-  Plugin plugin(const uint8_t *wasm, size_t length, bool with_wasi = false,
-                std::vector<Function> functions = {}) const {
-    return Plugin(wasm, length, with_wasi, functions, this->pointer);
+  Plugin plugin(const uint8_t *wasm, size_t length,
+                bool with_wasi = false) const {
+    return Plugin(this->pointer, wasm, length, with_wasi);
   }
 
-  // Create plugin from std::string
-  Plugin plugin(const std::string &str, bool with_wasi = false,
-                std::vector<Function> functions = {}) const {
-    return Plugin((const uint8_t *)str.c_str(), str.size(), with_wasi,
-                  functions, this->pointer);
+  Plugin plugin(const std::string &str, bool with_wasi = false) const {
+    return Plugin(this->pointer, (const uint8_t *)str.c_str(), str.size(),
+                  with_wasi);
   }
 
-  // Create plugin from uint8_t vector
-  Plugin plugin(const std::vector<uint8_t> &data, bool with_wasi = false,
-                std::vector<Function> functions = {}) const {
-    return Plugin(data.data(), data.size(), with_wasi, functions,
-                  this->pointer);
+  Plugin plugin(const std::vector<uint8_t> &data,
+                bool with_wasi = false) const {
+    return Plugin(this->pointer, data.data(), data.size(), with_wasi);
   }
 
 #ifndef EXTISM_NO_JSON
-  // Create plugin from Manifest
-  Plugin plugin(const Manifest &manifest, bool with_wasi = false,
-                std::vector<Function> functions = {}) const {
-    return Plugin(manifest, with_wasi, functions, this->pointer);
+  Plugin plugin(const Manifest &manifest, bool with_wasi = false) const {
+    return Plugin(this->pointer, manifest, with_wasi);
   }
 #endif
 
-  // Remove all plugins
   void reset() { extism_context_reset(this->pointer.get()); }
 };
 
-// Set global log file for plugins
 inline bool set_log_file(const char *filename, const char *level) {
   return extism_log_file(filename, level);
 }
 
-// Get libextism version
 inline std::string version() { return std::string(extism_version()); }
 } // namespace extism

cpp/test/test.cpp

@@ -10,8 +10,6 @@ std::vector<uint8_t> read(const char *filename) {
                               std::istreambuf_iterator<char>());
 }
 
-const std::string code = "../../wasm/code.wasm";
-
 namespace {
 using namespace extism;
 
@@ -21,24 +19,26 @@ TEST(Context, Basic) {
 }
 
 TEST(Plugin, Manifest) {
-  Manifest manifest = Manifest::path(code);
+  Context context;
+  Manifest manifest = Manifest::path("code.wasm");
   manifest.set_config("a", "1");
 
-  ASSERT_NO_THROW(Plugin plugin(manifest));
-  Plugin plugin(manifest);
+  ASSERT_NO_THROW(Plugin plugin = context.plugin(manifest));
+  Plugin plugin = context.plugin(manifest);
 
   Buffer buf = plugin.call("count_vowels", "this is a test");
   ASSERT_EQ((std::string)buf, "{\"count\": 4}");
 }
 
 TEST(Plugin, BadManifest) {
+  Context context;
   Manifest manifest;
-  ASSERT_THROW(Plugin plugin(manifest), Error);
+  ASSERT_THROW(Plugin plugin = context.plugin(manifest), Error);
 }
 
 TEST(Plugin, Bytes) {
   Context context;
-  auto wasm = read(code.c_str());
+  auto wasm = read("code.wasm");
   ASSERT_NO_THROW(Plugin plugin = context.plugin(wasm));
   Plugin plugin = context.plugin(wasm);
 
@@ -48,7 +48,7 @@ TEST(Plugin, Bytes) {
 
 TEST(Plugin, UpdateConfig) {
   Context context;
-  auto wasm = read(code.c_str());
+  auto wasm = read("code.wasm");
   Plugin plugin = context.plugin(wasm);
 
   Config config;
@@ -58,33 +58,13 @@ TEST(Plugin, UpdateConfig) {
 
 TEST(Plugin, FunctionExists) {
   Context context;
-  auto wasm = read(code.c_str());
+  auto wasm = read("code.wasm");
   Plugin plugin = context.plugin(wasm);
 
   ASSERT_FALSE(plugin.function_exists("bad_function"));
   ASSERT_TRUE(plugin.function_exists("count_vowels"));
 }
 
-TEST(Plugin, HostFunction) {
-  auto wasm = read("../../wasm/code-functions.wasm");
-  auto t = std::vector<ValType>{ValType::I64};
-  Function hello_world =
-      Function("hello_world", t, t,
-               [](CurrentPlugin plugin, const std::vector<Val> &params,
-                  std::vector<Val> &results, void *user_data) {
-                 auto offs = plugin.alloc(4);
-                 memcpy(plugin.memory() + offs, "test", 4);
-                 results[0].v.i64 = (int64_t)offs;
-               });
-  auto functions = std::vector<Function>{
-      hello_world,
-  };
-  Plugin plugin(wasm, true, functions);
-  auto buf = plugin.call("count_vowels", "aaa");
-  ASSERT_EQ(buf.length, 4);
-  ASSERT_EQ((std::string)buf, "test");
-}
-
 }; // namespace
 
 int main(int argc, char **argv) {

dotnet/.gitignore

@@ -1,479 +0,0 @@
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-## files generated by popular Visual Studio add-ons.
-##
-## Get latest from https://github.com/github/gitignore/blob/main/VisualStudio.gitignore
-
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-bld/
-[Bb]in/
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-[Ll]og/
-[Ll]ogs/
-
-# Visual Studio 2015/2017 cache/options directory
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-# Uncomment if you have tasks that create the project's static files in wwwroot
-#wwwroot/
-
-# Visual Studio 2017 auto generated files
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-
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-nuget/runtimes/win-x64.dll

dotnet/Extism.sln

@@ -1,37 +0,0 @@
-
-Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 17
-VisualStudioVersion = 17.4.33110.190
-MinimumVisualStudioVersion = 10.0.40219.1
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Extism.Sdk", "src\Extism.Sdk\Extism.Sdk.csproj", "{1FAA7B6E-249C-4E4C-AE7A-A493A9D24475}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Extism.Sdk.Tests", "test\Extism.Sdk\Extism.Sdk.Tests.csproj", "{DB440D61-C781-4C59-9223-9A79CC9FB4E7}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Extism.Sdk.Sample", "samples\Extism.Sdk.Sample\Extism.Sdk.Sample.csproj", "{2232E572-E8BA-46A1-AF31-E4168960DB75}"
-EndProject
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|Any CPU = Debug|Any CPU
-		Release|Any CPU = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{1FAA7B6E-249C-4E4C-AE7A-A493A9D24475}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{1FAA7B6E-249C-4E4C-AE7A-A493A9D24475}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{1FAA7B6E-249C-4E4C-AE7A-A493A9D24475}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{1FAA7B6E-249C-4E4C-AE7A-A493A9D24475}.Release|Any CPU.Build.0 = Release|Any CPU
-		{DB440D61-C781-4C59-9223-9A79CC9FB4E7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{DB440D61-C781-4C59-9223-9A79CC9FB4E7}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{DB440D61-C781-4C59-9223-9A79CC9FB4E7}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{DB440D61-C781-4C59-9223-9A79CC9FB4E7}.Release|Any CPU.Build.0 = Release|Any CPU
-		{2232E572-E8BA-46A1-AF31-E4168960DB75}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{2232E572-E8BA-46A1-AF31-E4168960DB75}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{2232E572-E8BA-46A1-AF31-E4168960DB75}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{2232E572-E8BA-46A1-AF31-E4168960DB75}.Release|Any CPU.Build.0 = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(SolutionProperties) = preSolution
-		HideSolutionNode = FALSE
-	EndGlobalSection
-	GlobalSection(ExtensibilityGlobals) = postSolution
-		SolutionGuid = {2B6BF267-F2A5-4CB5-8DFD-F11CC8787E6B}
-	EndGlobalSection
-EndGlobal

dotnet/nuget/Extism.runtime.win.csproj

@@ -1,24 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;netstandard2.1</TargetFrameworks>
-    <NoBuild>true</NoBuild>
-    <IncludeBuildOutput>false</IncludeBuildOutput>
-  </PropertyGroup>
-
-  <PropertyGroup>
-    <PackageId>Extism.runtime.win-x64</PackageId>
-    <Version>0.7.0</Version>
-    <Authors>Extism Contributors</Authors>
-    <Description>Internal implementation package for Extism to work on Windows x64</Description>
-    <Tags>extism, wasm, plugin</Tags>
-    <PackageLicenseExpression>BSD-3-Clause</PackageLicenseExpression>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <Content Include="runtimes/win-x64.dll"
-      CopyToOutputDirectory="Always"
-      Pack="true"
-      PackagePath="runtimes\win-x64\native\extism.dll" />
-  </ItemGroup>
-</Project>

dotnet/nuget/runtimes/expected.txt

@@ -1 +0,0 @@
-win-x64.dll

dotnet/samples/Extism.Sdk.Sample/Extism.Sdk.Sample.csproj

@@ -1,29 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-	<PropertyGroup>
-		<OutputType>Exe</OutputType>
-		<TargetFramework>net7.0</TargetFramework>
-		<ImplicitUsings>enable</ImplicitUsings>
-		<Nullable>enable</Nullable>
-		<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-	</PropertyGroup>
-
-	<ItemGroup>
-		<None Include="..\..\..\wasm\code.wasm" Link="code.wasm">
-			<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-		</None>
-		<None Include="..\..\..\wasm\code-functions.wasm" Link="code-functions.wasm">
-			<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-		</None>
-	</ItemGroup>
-
-	<ItemGroup>
-		<PackageReference Include="Extism.runtime.win-x64" Version="0.4.0" />
-	</ItemGroup>
-
-	<ItemGroup>
-		<ProjectReference Include="..\..\src\Extism.Sdk\Extism.Sdk.csproj" />
-	</ItemGroup>
-
-
-</Project>

dotnet/samples/Extism.Sdk.Sample/Program.cs

@@ -1,40 +0,0 @@
-using Extism.Sdk;
-using Extism.Sdk.Native;
-
-using System.Runtime.InteropServices;
-using System.Text;
-
-var context = new Context();
-
-var userData = Marshal.StringToHGlobalAnsi("Hello again!");
-
-using var helloWorld = new HostFunction(
-    "hello_world",
-    "env",
-    new[] { ExtismValType.I64 },
-    new[] { ExtismValType.I64 },
-    userData,
-    HelloWorld);
-
-void HelloWorld(CurrentPlugin plugin, Span<ExtismVal> inputs, Span<ExtismVal> outputs, nint data)
-{
-    Console.WriteLine("Hello from .NET!");
-
-    var text = Marshal.PtrToStringAnsi(data);
-    Console.WriteLine(text);
-
-    var input = plugin.ReadString(new nint(inputs[0].v.i64));
-    Console.WriteLine($"Input: {input}");
-
-    outputs[0].v.i64 = plugin.WriteString(input);
-}
-
-var wasm = File.ReadAllBytes("./code-functions.wasm");
-using var plugin = context.CreatePlugin(wasm, new[] { helloWorld }, withWasi: true);
-
-var output = Encoding.UTF8.GetString(
-    plugin.CallFunction("count_vowels", Encoding.UTF8.GetBytes("Hello World!"))
-);
-
-Console.WriteLine($"Output: {output}");
-

dotnet/samples/Extism.Sdk.Sample/README.md

@@ -1,5 +0,0 @@
-## Example 1
-
-This example shows how you can use the library in the most basic way. 
-It loads up the sample wasm plugin and lets you to pass inputs to it and show the ouput. 
-**Please note that on Windows you have to manually copy the `extism.dll` file to the ouput directory.**

dotnet/src/Directory.build.props

@@ -1,24 +0,0 @@
-<!-- Recommended practices for publishing nuget packages from: https://devblogs.microsoft.com/dotnet/producing-packages-with-source-link/ -->
-
-<Project>
-    <PropertyGroup>
-        <!-- Publish the repository URL in the built .nupkg (in the NuSpec <Repository> element) -->
-        <PublishRepositoryUrl>true</PublishRepositoryUrl>
-
-        <!-- Embed source files that are not tracked by the source control manager in the PDB -->
-        <EmbedUntrackedSources>true</EmbedUntrackedSources>
-
-        <!-- Recommended: Embed symbols containing Source Link in the main file (exe/dll) -->
-        <DebugType>embedded</DebugType>
-
-        <GenerateDocumentationFile>true</GenerateDocumentationFile>
-    </PropertyGroup>
-
-    <PropertyGroup Condition="'$(GITHUB_ACTIONS)' == 'true'">
-        <ContinuousIntegrationBuild>true</ContinuousIntegrationBuild>
-    </PropertyGroup>
-
-    <ItemGroup>
-        <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
-    </ItemGroup>
-</Project>

dotnet/src/Extism.Sdk/Context.cs

@@ -1,191 +0,0 @@
-using System.Collections.Concurrent;
-using System.Diagnostics.CodeAnalysis;
-using System.Runtime.InteropServices;
-
-namespace Extism.Sdk.Native;
-
-/// <summary>
-/// Represents an Extism context through which you can load <see cref="Plugin"/>s.
-/// </summary>
-public unsafe class Context : IDisposable
-{
-    private readonly ConcurrentDictionary<int, Plugin> _plugins = new ConcurrentDictionary<int, Plugin>();
-
-    private const int DisposedMarker = 1;
-
-    private int _disposed;
-
-    /// <summary>
-    /// Initialize a new Extism Context.
-    /// </summary>
-    public Context()
-    {
-        unsafe
-        {
-            NativeHandle = LibExtism.extism_context_new();
-        }
-    }
-
-    /// <summary>
-    /// Native pointer to the Extism Context.
-    /// </summary>
-    internal LibExtism.ExtismContext* NativeHandle { get; }
-
-    /// <summary>
-    /// Loads an Extism <see cref="Plugin"/>.
-    /// </summary>
-    /// <param name="wasm">A WASM module (wat or wasm) or a JSON encoded manifest.</param>
-    /// <param name="functions">List of host functions expected by the plugin.</param>
-    /// <param name="withWasi">Enable/Disable WASI.</param>
-    public Plugin CreatePlugin(ReadOnlySpan<byte> wasm, HostFunction[] functions, bool withWasi)
-    {
-        CheckNotDisposed();
-
-        var functionHandles = functions.Select(f => f.NativeHandle).ToArray();
-
-        unsafe
-        {
-            fixed (byte* wasmPtr = wasm)
-            fixed (IntPtr* functionsPtr = functionHandles)
-            {
-                var index = LibExtism.extism_plugin_new(NativeHandle, wasmPtr, wasm.Length, functionsPtr, functions.Length, withWasi);
-                if (index == -1)
-                {
-                    var errorMsg = GetError();
-                    if (errorMsg != null)
-                    {
-                        throw new ExtismException(errorMsg);
-                    }
-                    else
-                    {
-                        throw new ExtismException("Failed to create plugin.");
-                    }
-                }
-
-                return _plugins[index] = new Plugin(this, functions, index);
-            }
-        }
-    }
-
-    /// <summary>
-    /// Get a plugin by index.
-    /// </summary>
-    /// <param name="index">Index of plugin.</param>
-    /// <returns></returns>
-    public Plugin GetPlugin(int index)
-    {
-        return _plugins[index];
-    }
-
-    /// <summary>
-    /// Remove all plugins from this <see cref="Context"/>'s registry.
-    /// </summary>
-    public void Reset()
-    {
-        CheckNotDisposed();
-
-        LibExtism.extism_context_reset(NativeHandle);
-    }
-
-    /// <summary>
-    /// Get this this <see cref="Context"/>'s last error.
-    /// </summary>
-    /// <returns></returns>
-    internal string? GetError()
-    {
-        CheckNotDisposed();
-
-        var result = LibExtism.extism_error(NativeHandle, -1);
-        return Marshal.PtrToStringUTF8(result);
-    }
-
-    /// <summary>
-    /// Frees all resources held by this Context.
-    /// </summary>
-    public void Dispose()
-    {
-        if (Interlocked.Exchange(ref _disposed, DisposedMarker) == DisposedMarker)
-        {
-            // Already disposed.
-            return;
-        }
-
-        Dispose(true);
-        GC.SuppressFinalize(this);
-    }
-
-    /// <summary>
-    /// Throw an appropriate exception if the plugin has been disposed.
-    /// </summary>
-    /// <exception cref="ObjectDisposedException"></exception>
-    protected void CheckNotDisposed()
-    {
-        Interlocked.MemoryBarrier();
-        if (_disposed == DisposedMarker)
-        {
-            ThrowDisposedException();
-        }
-    }
-
-    [DoesNotReturn]
-    private static void ThrowDisposedException()
-    {
-        throw new ObjectDisposedException(nameof(Context));
-    }
-
-    /// <summary>
-    /// Frees all resources held by this Context.
-    /// </summary>
-    protected virtual void Dispose(bool disposing)
-    {
-        if (disposing)
-        {
-            // Free up any managed resources here
-        }
-
-        foreach (var plugin in _plugins.Values)
-        {
-            plugin.Dispose();
-        }
-
-        // Free up unmanaged resources
-        LibExtism.extism_context_free(NativeHandle);
-    }
-
-    /// <summary>
-    /// Destructs the current Context and frees all resources used by it.
-    /// </summary>
-    ~Context()
-    {
-        Dispose(false);
-    }
-
-    /// <summary>
-    /// Get the Extism version string.
-    /// </summary>
-    public static string GetExtismVersion()
-    {
-        var pointer = LibExtism.extism_version();
-        return Marshal.PtrToStringUTF8(pointer);
-    }
-
-    /// <summary>
-    /// Set Extism's log file and level. This is applied for all <see cref="Context"/>s.
-    /// </summary>
-    /// <param name="logPath">Log file; can be 'stdout' or 'stderr' to write logs to the console.</param>
-    /// <param name="level">The log level to write at.</param>
-    public static bool SetExtismLogFile(string logPath, LogLevel level)
-    {
-        var logLevel = level switch
-        {
-            LogLevel.Error => LibExtism.LogLevels.Error,
-            LogLevel.Warning => LibExtism.LogLevels.Warn,
-            LogLevel.Info => LibExtism.LogLevels.Info,
-            LogLevel.Debug => LibExtism.LogLevels.Debug,
-            LogLevel.Trace => LibExtism.LogLevels.Trace,
-            _ => throw new NotImplementedException(),
-        };
-
-        return LibExtism.extism_log_file(logPath, logLevel);
-    }
-}

dotnet/src/Extism.Sdk/CurrentPlugin.cs

@@ -1,138 +0,0 @@
-using Extism.Sdk.Native;
-
-using System.Text;
-
-namespace Extism.Sdk
-{
-    /// <summary>
-    /// Represents the current plugin. Can only be used within <see cref="HostFunction"/>s.
-    /// </summary>
-    public class CurrentPlugin
-    {
-        internal CurrentPlugin(nint nativeHandle)
-        {
-            NativeHandle = nativeHandle;
-        }
-
-        internal nint NativeHandle { get; }
-
-        /// <summary>
-        /// Returns a pointer to the memory of the currently running plugin.
-        /// NOTE: this should only be called from host functions.
-        /// </summary>
-        /// <returns></returns>
-        public nint GetMemory()
-        {
-            return LibExtism.extism_current_plugin_memory(NativeHandle);
-        }
-
-        /// <summary>
-        /// Reads a string from a memory block using UTF8.
-        /// </summary>
-        /// <param name="pointer"></param>
-        /// <returns></returns>
-        public string ReadString(nint pointer)
-        {
-            return ReadString(pointer, Encoding.UTF8);
-        }
-
-        /// <summary>
-        /// Reads a string form a memory block.
-        /// </summary>
-        /// <param name="pointer"></param>
-        /// <param name="encoding"></param>
-        /// <returns></returns>
-        public string ReadString(nint pointer, Encoding encoding)
-        {
-            var buffer = ReadBytes(pointer);
-
-            return encoding.GetString(buffer);
-        }
-
-        /// <summary>
-        /// Returns a span of bytes for a given block.
-        /// </summary>
-        /// <param name="pointer"></param>
-        /// <returns></returns>
-        public unsafe Span<byte> ReadBytes(nint pointer)
-        {
-            var mem = GetMemory();
-            var length = (int)BlockLength(pointer);
-            var ptr = (byte*)mem + pointer;
-
-            return new Span<byte>(ptr, length);
-        }
-
-        /// <summary>
-        /// Writes a string into the current plugin memory using UTF-8 encoding and returns the pointer of the block.
-        /// </summary>
-        /// <param name="value"></param>
-        public nint WriteString(string value)
-            => WriteString(value, Encoding.UTF8);
-
-        /// <summary>
-        /// Writes a string into the current plugin memory and returns the pointer of the block.
-        /// </summary>
-        /// <param name="value"></param>
-        /// <param name="encoding"></param>
-        public nint WriteString(string value, Encoding encoding)
-        {
-            var bytes = encoding.GetBytes(value);
-            var pointer = AllocateBlock(bytes.Length);
-            WriteBytes(pointer, bytes);
-
-            return pointer;
-        }
-
-        /// <summary>
-        /// Writes a byte array into a block of memory.
-        /// </summary>
-        /// <param name="pointer"></param>
-        /// <param name="bytes"></param>
-        public unsafe void WriteBytes(nint pointer, Span<byte> bytes)
-        {
-            var length = BlockLength(pointer);
-            if (length < bytes.Length)
-            {
-                throw new InvalidOperationException("Destination block length is less than source block length.");
-            }
-
-            var mem = GetMemory();
-            var ptr = (void*)(mem + pointer);
-            var destination = new Span<byte>(ptr, bytes.Length);
-
-            bytes.CopyTo(destination);
-        }
-
-        /// <summary>
-        /// Frees a block of memory belonging to the current plugin.
-        /// </summary>
-        /// <param name="pointer"></param>
-        public void FreeBlock(nint pointer)
-        {
-            LibExtism.extism_current_plugin_memory_free(NativeHandle, pointer);
-        }
-
-        /// <summary>
-        /// Allocate a memory block in the currently running plugin.
-        /// 
-        /// </summary>
-        /// <param name="length"></param>
-        /// <returns></returns>
-        public nint AllocateBlock(long length)
-        {
-            return LibExtism.extism_current_plugin_memory_alloc(NativeHandle, length);
-        }
-
-        /// <summary>
-        /// Get the length of an allocated block.
-        /// NOTE: this should only be called from host functions.
-        /// </summary>
-        /// <param name="pointer"></param>
-        /// <returns></returns>
-        public long BlockLength(nint pointer)
-        {
-            return LibExtism.extism_current_plugin_memory_length(NativeHandle, pointer);
-        }
-    }
-}

dotnet/src/Extism.Sdk/Extism.Sdk.csproj

@@ -1,28 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <TargetFramework>netstandard2.1</TargetFramework>
-    <ImplicitUsings>enable</ImplicitUsings>
-    <Nullable>enable</Nullable>
-    <AllowUnsafeBlocks>True</AllowUnsafeBlocks>
-    <LangVersion>10</LangVersion>
-  </PropertyGroup>
-
-  <PropertyGroup>
-    <PackageId>Extism.Sdk</PackageId>
-    <Version>0.7.0</Version>
-    <Authors>Extism Contributors</Authors>
-    <Description>Extism SDK that allows hosting Extism plugins in .NET apps.</Description>
-    <Tags>extism, wasm, plugin</Tags>
-    <PackageLicenseExpression>BSD-3-Clause</PackageLicenseExpression>
-    <PackageReadmeFile>README.md</PackageReadmeFile>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <None Include="README.md" Pack="true" PackagePath="\" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.0.0" />
-  </ItemGroup>
-</Project>

dotnet/src/Extism.Sdk/ExtismException.cs

@@ -1,40 +0,0 @@
-namespace Extism.Sdk.Native;
-
-using System;
-
-/// <summary>
-/// Represents errors that occur during calling Extism functions.
-/// </summary>
-public class ExtismException : Exception
-{
-    /// <summary>
-    /// Initializes a new instance of the <see cref="ExtismException"/> class.
-    /// </summary>
-    public ExtismException()
-    {
-    }
-
-    /// <summary>
-    /// Initializes a new instance of the <see cref="ExtismException"/> class with a specified error message.
-    /// </summary>
-    /// <param name="message">The message that describes the error .</param>
-    public ExtismException(string message)
-        : base(message)
-    {
-    }
-
-    /// <summary>
-    /// Initializes a new instance of the <see cref="ExtismException"/> class
-    /// with a specified error message and a reference to the inner exception
-    /// that is the cause of this exception.
-    /// </summary>
-    /// <param name="message">The message that describes the error.</param>
-    /// <param name="innerException">
-    ///  The exception that is the cause of the current exception, or a null reference
-    ///  (Nothing in Visual Basic) if no inner exception is specified.
-    /// </param>
-    public ExtismException(string message, Exception innerException)
-        : base(message, innerException)
-    {
-    }
-}

dotnet/src/Extism.Sdk/HostFunction.cs

@@ -1,146 +0,0 @@
-using Extism.Sdk.Native;
-
-using System.Diagnostics.CodeAnalysis;
-
-namespace Extism.Sdk
-{
-    /// <summary>
-    /// A host function signature.
-    /// </summary>
-    /// <param name="plugin">Plugin Index</param>
-    /// <param name="inputs">Input parameters</param>
-    /// <param name="outputs">Output parameters, the host function can change this.</param>
-    /// <param name="userData">A data passed in during Host Function creation.</param>
-    public delegate void ExtismFunction(CurrentPlugin plugin, Span<ExtismVal> inputs, Span<ExtismVal> outputs, IntPtr userData);
-
-    /// <summary>
-    /// A function provided by the host that plugins can call.
-    /// </summary>
-    public class HostFunction : IDisposable
-    {
-        private const int DisposedMarker = 1;
-        private int _disposed;
-
-        /// <summary>
-        /// Registers a Host Function.
-        /// </summary>
-        /// <param name="functionName">The literal name of the function, how it would be called from a <see cref="Plugin"/>.</param>
-        /// <param name="inputTypes">The types of the input arguments/parameters the <see cref="Plugin"/> caller will provide.</param>
-        /// <param name="outputTypes">The types of the output returned from the host function to the <see cref="Plugin"/>.</param>
-        /// <param name="userData">An opaque pointer to an object from the host, accessible to the <see cref="Plugin"/>.
-        /// NOTE: it is the shared responsibility of the host and <see cref="Plugin"/> to cast/dereference this value properly.</param>
-        /// <param name="hostFunction"></param>
-        public HostFunction(
-            string functionName,
-            Span<ExtismValType> inputTypes,
-            Span<ExtismValType> outputTypes,
-            IntPtr userData,
-            ExtismFunction hostFunction) :
-            this(functionName, "", inputTypes, outputTypes, userData, hostFunction)
-        {
-
-        }
-
-        /// <summary>
-        /// Registers a Host Function.
-        /// </summary>
-        /// <param name="functionName">The literal name of the function, how it would be called from a <see cref="Plugin"/>.</param>
-        /// <param name="namespace">Function namespace.</param>
-        /// <param name="inputTypes">The types of the input arguments/parameters the <see cref="Plugin"/> caller will provide.</param>
-        /// <param name="outputTypes">The types of the output returned from the host function to the <see cref="Plugin"/>.</param>
-        /// <param name="userData">An opaque pointer to an object from the host, accessible to the <see cref="Plugin"/>.
-        /// NOTE: it is the shared responsibility of the host and <see cref="Plugin"/> to cast/dereference this value properly.</param>
-        /// <param name="hostFunction"></param>
-        unsafe public HostFunction(
-            string functionName,
-            string @namespace,
-            Span<ExtismValType> inputTypes,
-            Span<ExtismValType> outputTypes,
-            IntPtr userData,
-            ExtismFunction hostFunction)
-        {
-            fixed (ExtismValType* inputs = inputTypes)
-            fixed (ExtismValType* outputs = outputTypes)
-            {
-                NativeHandle = LibExtism.extism_function_new(functionName, inputs, inputTypes.Length, outputs, outputTypes.Length, CallbackImpl, userData, IntPtr.Zero);
-            }
-
-            if (!string.IsNullOrEmpty(@namespace))
-            {
-                LibExtism.extism_function_set_namespace(NativeHandle, @namespace);
-            }
-
-            void CallbackImpl(
-                nint plugin,
-                ExtismVal* inputsPtr,
-                uint n_inputs,
-                ExtismVal* outputsPtr,
-                uint n_outputs,
-                IntPtr data)
-            {
-                var outputs = new Span<ExtismVal>(outputsPtr, (int)n_outputs);
-                var inputs = new Span<ExtismVal>(inputsPtr, (int)n_inputs);
-
-                hostFunction(new CurrentPlugin(plugin), inputs, outputs, data);
-            }
-        }
-
-        internal IntPtr NativeHandle { get; }
-
-        /// <summary>
-        /// Frees all resources held by this Host Function.
-        /// </summary>
-        public void Dispose()
-        {
-            if (Interlocked.Exchange(ref _disposed, DisposedMarker) == DisposedMarker)
-            {
-                // Already disposed.
-                return;
-            }
-
-            Dispose(true);
-            GC.SuppressFinalize(this);
-        }
-
-        /// <summary>
-        /// Throw an appropriate exception if the Host Function has been disposed.
-        /// </summary>
-        /// <exception cref="ObjectDisposedException"></exception>
-        protected void CheckNotDisposed()
-        {
-            Interlocked.MemoryBarrier();
-            if (_disposed == DisposedMarker)
-            {
-                ThrowDisposedException();
-            }
-        }
-
-        [DoesNotReturn]
-        private static void ThrowDisposedException()
-        {
-            throw new ObjectDisposedException(nameof(HostFunction));
-        }
-
-        /// <summary>
-        /// Frees all resources held by this Host Function.
-        /// </summary>
-        unsafe protected virtual void Dispose(bool disposing)
-        {
-            if (disposing)
-            {
-                // Free up any managed resources here
-            }
-
-            // Free up unmanaged resources
-            LibExtism.extism_function_free(NativeHandle);
-        }
-
-        /// <summary>
-        /// Destructs the current Host Function and frees all resources used by it.
-        /// </summary>
-        ~HostFunction()
-        {
-            Dispose(false);
-        }
-    }
-}

dotnet/src/Extism.Sdk/LibExtism.cs

@@ -1,347 +0,0 @@
-using System.Runtime.InteropServices;
-
-namespace Extism.Sdk.Native;
-
-/// <summary>
-/// A union type for host function argument/return values.
-/// </summary>
-[StructLayout(LayoutKind.Explicit)]
-public struct ExtismValUnion
-{
-    /// <summary>
-    /// Set this for 32 bit integers
-    /// </summary>
-    [FieldOffset(0)]
-    public int i32;
-
-    /// <summary>
-    /// Set this for 64 bit integers
-    /// </summary>
-    [FieldOffset(0)]
-    public long i64;
-
-    /// <summary>
-    /// Set this for 32 bit floats
-    /// </summary>
-    [FieldOffset(0)]
-    public float f32;
-
-    /// <summary>
-    /// Set this for 64 bit floats
-    /// </summary>
-    [FieldOffset(0)]
-    public double f64;
-}
-
-/// <summary>
-/// Represents Wasm data types that Extism can understand
-/// </summary>
-public enum ExtismValType : byte
-{
-    /// <summary>
-    /// Signed 32 bit integer. Equivalent of <see cref="int"/> or <see cref="uint"/>
-    /// </summary>
-    I32,
-
-    /// <summary>
-    /// Signed 64 bit integer. Equivalent of <see cref="long"/> or <see cref="ulong"/>
-    /// </summary>
-    I64,
-
-    /// <summary>
-    /// Floating point 32 bit integer. Equivalent of <see cref="float"/>
-    /// </summary>
-    F32,
-
-    /// <summary>
-    /// Floating point 64 bit integer. Equivalent of <see cref="double"/>
-    /// </summary>
-    F64,
-
-    /// <summary>
-    /// A 128 bit number.
-    /// </summary>
-    V128,
-
-    /// <summary>
-    /// A reference to opaque data in the Wasm instance.
-    /// </summary>
-    FuncRef,
-
-    /// <summary>
-    /// A reference to opaque data in the Wasm instance.
-    /// </summary>
-    ExternRef
-}
-
-/// <summary>
-/// `ExtismVal` holds the type and value of a function argument/return
-/// </summary>
-[StructLayout(LayoutKind.Sequential)]
-public struct ExtismVal
-{
-    /// <summary>
-    /// The type for the argument
-    /// </summary>
-    public ExtismValType t;
-
-    /// <summary>
-    /// The value for the argument
-    /// </summary>
-    public ExtismValUnion v;
-}
-
-/// <summary>
-/// Functions exposed by the native Extism library.
-/// </summary>
-internal static class LibExtism
-{
-    /// <summary>
-    /// A `Context` is used to store and manage plugins.
-    /// </summary>
-    [StructLayout(LayoutKind.Sequential)]
-    internal struct ExtismContext { }
-
-    /// <summary>
-    /// Host function signature
-    /// </summary>
-    /// <param name="plugin"></param>
-    /// <param name="inputs"></param>
-    /// <param name="n_inputs"></param>
-    /// <param name="outputs"></param>
-    /// <param name="n_outputs"></param>
-    /// <param name="data"></param>
-    unsafe internal delegate void InternalExtismFunction(nint plugin, ExtismVal* inputs, uint n_inputs, ExtismVal* outputs, uint n_outputs, IntPtr data);
-
-    /// <summary>
-    /// Returns a pointer to the memory of the currently running plugin.
-    /// NOTE: this should only be called from host functions.
-    /// </summary>
-    /// <param name="plugin"></param>
-    /// <returns></returns>
-    [DllImport("extism", EntryPoint = "extism_current_plugin_memory")]
-    internal static extern IntPtr extism_current_plugin_memory(nint plugin);
-
-    /// <summary>
-    /// Allocate a memory block in the currently running plugin
-    /// </summary>
-    /// <param name="plugin"></param>
-    /// <param name="n"></param>
-    /// <returns></returns>
-    [DllImport("extism", EntryPoint = "extism_current_plugin_memory_alloc")]
-    internal static extern IntPtr extism_current_plugin_memory_alloc(nint plugin, long n);
-
-    /// <summary>
-    /// Get the length of an allocated block.
-    /// NOTE: this should only be called from host functions.
-    /// </summary>
-    /// <param name="plugin"></param>
-    /// <param name="n"></param>
-    /// <returns></returns>
-    [DllImport("extism", EntryPoint = "extism_current_plugin_memory_length")]
-    internal static extern long extism_current_plugin_memory_length(nint plugin, long n);
-
-    /// <summary>
-    /// Get the length of an allocated block.
-    /// NOTE: this should only be called from host functions.
-    /// </summary>
-    /// <param name="plugin"></param>
-    /// <param name="ptr"></param>
-    [DllImport("extism", EntryPoint = "extism_current_plugin_memory_free")]
-    internal static extern void extism_current_plugin_memory_free(nint plugin, IntPtr ptr);
-
-    /// <summary>
-    /// Create a new host function.
-    /// </summary>
-    /// <param name="name">function name, this should be valid UTF-8</param>
-    /// <param name="inputs">argument types</param>
-    /// <param name="nInputs">number of argument types</param>
-    /// <param name="outputs">return types</param>
-    /// <param name="nOutputs">number of return types</param>
-    /// <param name="func">the function to call</param>
-    /// <param name="userData">a pointer that will be passed to the function when it's called this value should live as long as the function exists</param>
-    /// <param name="freeUserData">a callback to release the `user_data` value when the resulting `ExtismFunction` is freed.</param>
-    /// <returns></returns>
-    [DllImport("extism", EntryPoint = "extism_function_new")]
-    unsafe internal static extern IntPtr extism_function_new(string name, ExtismValType* inputs, long nInputs, ExtismValType* outputs, long nOutputs, InternalExtismFunction func, IntPtr userData, IntPtr freeUserData);
-
-    /// <summary>
-    /// Set the namespace of an <see cref="ExtismFunction"/>
-    /// </summary>
-    /// <param name="ptr"></param>
-    /// <param name="namespace"></param>
-    [DllImport("extism", EntryPoint = "extism_function_set_namespace")]
-    internal static extern void extism_function_set_namespace(IntPtr ptr, string @namespace);
-
-    /// <summary>
-    /// Free an <see cref="ExtismFunction"/>
-    /// </summary>
-    /// <param name="ptr"></param>
-    [DllImport("extism", EntryPoint = "extism_function_free")]
-    internal static extern void extism_function_free(IntPtr ptr);
-
-    /// <summary>
-    /// Create a new context.
-    /// </summary>
-    /// <returns>A pointer to the newly created context.</returns>
-    [DllImport("extism")]
-    unsafe internal static extern ExtismContext* extism_context_new();
-
-    /// <summary>
-    /// Remove a context from the registry and free associated memory.
-    /// </summary>
-    /// <param name="context"></param>
-    [DllImport("extism")]
-    unsafe internal static extern void extism_context_free(ExtismContext* context);
-
-    /// <summary>
-    /// Load a WASM plugin.
-    /// </summary>
-    /// <param name="context">Pointer to the context the plugin will be associated with.</param>
-    /// <param name="wasm">A WASM module (wat or wasm) or a JSON encoded manifest.</param>
-    /// <param name="wasmSize">The length of the `wasm` parameter.</param>
-    /// <param name="functions">Array of host function pointers.</param>
-    /// <param name="nFunctions">Number of host functions.</param>
-    /// <param name="withWasi">Enables/disables WASI.</param>
-    /// <returns></returns>
-    [DllImport("extism")]
-    unsafe internal static extern int extism_plugin_new(ExtismContext* context, byte* wasm, int wasmSize, IntPtr* functions, int nFunctions, bool withWasi);
-
-    /// <summary>
-    /// Update a plugin, keeping the existing ID.
-    /// Similar to <see cref="extism_plugin_new"/> but takes an `plugin` argument to specify which plugin to update.
-    /// Memory for this plugin will be reset upon update.
-    /// </summary>
-    /// <param name="context">Pointer to the context the plugin is associated with.</param>
-    /// <param name="plugin">Pointer to the plugin you want to update.</param>
-    /// <param name="wasm">A WASM module (wat or wasm) or a JSON encoded manifest.</param>
-    /// <param name="wasmSize">The length of the `wasm` parameter.</param>
-    /// <param name="functions">Array of host function pointers.</param>
-    /// <param name="nFunctions">Number of host functions.</param>
-    /// <param name="withWasi">Enables/disables WASI.</param>
-    /// <returns></returns>
-    [DllImport("extism")]
-    unsafe internal static extern bool extism_plugin_update(ExtismContext* context, int plugin, byte* wasm, long wasmSize, Span<IntPtr> functions, long nFunctions, bool withWasi);
-
-    /// <summary>
-    /// Remove a plugin from the registry and free associated memory.
-    /// </summary>
-    /// <param name="context">Pointer to the context the plugin is associated with.</param>
-    /// <param name="plugin">Pointer to the plugin you want to free.</param>
-    [DllImport("extism")]
-    unsafe internal static extern void extism_plugin_free(ExtismContext* context, int plugin);
-
-    /// <summary>
-    /// Remove all plugins from the registry.
-    /// </summary>
-    /// <param name="context"></param>
-    [DllImport("extism")]
-    unsafe internal static extern void extism_context_reset(ExtismContext* context);
-
-    /// <summary>
-    /// Update plugin config values, this will merge with the existing values.
-    /// </summary>
-    /// <param name="context">Pointer to the context the plugin is associated with.</param>
-    /// <param name="plugin">Pointer to the plugin you want to update the configurations for.</param>
-    /// <param name="json">The configuration JSON encoded in UTF8.</param>
-    /// <param name="jsonLength">The length of the `json` parameter.</param>
-    /// <returns></returns>
-    [DllImport("extism")]
-    unsafe internal static extern bool extism_plugin_config(ExtismContext* context, int plugin, byte* json, int jsonLength);
-
-    /// <summary>
-    /// Returns true if funcName exists.
-    /// </summary>
-    /// <param name="context"></param>
-    /// <param name="plugin"></param>
-    /// <param name="funcName"></param>
-    /// <returns></returns>
-    [DllImport("extism")]
-    unsafe internal static extern bool extism_plugin_function_exists(ExtismContext* context, int plugin, string funcName);
-
-    /// <summary>
-    /// Call a function.
-    /// </summary>
-    /// <param name="context"></param>
-    /// <param name="plugin"></param>
-    /// <param name="funcName">The function to call.</param>
-    /// <param name="data">Input data.</param>
-    /// <param name="dataLen">The length of the `data` parameter.</param>
-    /// <returns></returns>
-    [DllImport("extism")]
-    unsafe internal static extern int extism_plugin_call(ExtismContext* context, int plugin, string funcName, byte* data, int dataLen);
-
-    /// <summary>
-    /// Get the error associated with a Context or Plugin, if plugin is -1 then the context error will be returned.
-    /// </summary>
-    /// <param name="context"></param>
-    /// <param name="plugin">A plugin pointer, or -1 for the context error.</param>
-    /// <returns></returns>
-    [DllImport("extism")]
-    unsafe internal static extern IntPtr extism_error(ExtismContext* context, nint plugin);
-
-    /// <summary>
-    /// Get the length of a plugin's output data.
-    /// </summary>
-    /// <param name="context"></param>
-    /// <param name="plugin"></param>
-    /// <returns></returns>
-    [DllImport("extism")]
-    unsafe internal static extern long extism_plugin_output_length(ExtismContext* context, int plugin);
-
-    /// <summary>
-    /// Get the plugin's output data.
-    /// </summary>
-    /// <param name="context"></param>
-    /// <param name="plugin"></param>
-    /// <returns></returns>
-    [DllImport("extism")]
-    unsafe internal static extern IntPtr extism_plugin_output_data(ExtismContext* context, int plugin);
-
-    /// <summary>
-    /// Set log file and level.
-    /// </summary>
-    /// <param name="filename"></param>
-    /// <param name="logLevel"></param>
-    /// <returns></returns>
-    [DllImport("extism")]
-    internal static extern bool extism_log_file(string filename, string logLevel);
-
-    /// <summary>
-    /// Get the Extism version string.
-    /// </summary>
-    /// <returns></returns>
-    [DllImport("extism", EntryPoint = "extism_version")]
-    internal static extern IntPtr extism_version();
-
-    /// <summary>
-    /// Extism Log Levels
-    /// </summary>
-    internal static class LogLevels
-    {
-        /// <summary>
-        /// Designates very serious errors.
-        /// </summary>
-        internal const string Error = "Error";
-
-        /// <summary>
-        /// Designates hazardous situations.
-        /// </summary>
-        internal const string Warn = "Warn";
-
-        /// <summary>
-        /// Designates useful information.
-        /// </summary>
-        internal const string Info = "Info";
-
-        /// <summary>
-        /// Designates lower priority information.
-        /// </summary>
-        internal const string Debug = "Debug";
-
-        /// <summary>
-        /// Designates very low priority, often extremely verbose, information.
-        /// </summary>
-        internal const string Trace = "Trace";
-    }
-}

dotnet/src/Extism.Sdk/LogLevel.cs

@@ -1,32 +0,0 @@
-namespace Extism.Sdk.Native;
-
-/// <summary>
-/// Extism Log Levels
-/// </summary>
-public enum LogLevel
-{
-    /// <summary>
-    /// Designates very serious errors.
-    /// </summary>
-    Error,
-
-    /// <summary>
-    /// Designates hazardous situations.
-    /// </summary>
-    Warning,
-
-    /// <summary>
-    /// Designates useful information.
-    /// </summary>
-    Info,
-
-    /// <summary>
-    /// Designates lower priority information.
-    /// </summary>
-    Debug,
-
-    /// <summary>
-    /// Designates very low priority, often extremely verbose, information.
-    /// </summary>
-    Trace
-}

dotnet/src/Extism.Sdk/Plugin.cs

@@ -1,210 +0,0 @@
-using System.Diagnostics.CodeAnalysis;
-using System.Runtime.InteropServices;
-
-namespace Extism.Sdk.Native;
-
-/// <summary>
-/// Represents a WASM Extism plugin.
-/// </summary>
-public class Plugin : IDisposable
-{
-    private const int DisposedMarker = 1;
-
-    private readonly Context _context;
-    private readonly HostFunction[] _functions;
-    private int _disposed;
-
-    /// <summary>
-    /// Create a and load a plug-in
-    /// Using this constructor will give the plug-in it's own internal Context
-    /// </summary>
-    /// <param name="wasm">A WASM module (wat or wasm) or a JSON encoded manifest.</param>
-    /// <param name="functions">List of host functions expected by the plugin.</param>
-    /// <param name="withWasi">Enable/Disable WASI.</param>
-    public static Plugin Create(ReadOnlySpan<byte> wasm, HostFunction[] functions, bool withWasi) {
-        var context = new Context();
-        return context.CreatePlugin(wasm, functions, withWasi);
-    }
-
-    internal Plugin(Context context, HostFunction[] functions, int index)
-    {
-        _context = context;
-        _functions = functions;
-        Index = index;
-    }
-
-    /// <summary>
-    /// A pointer to the native Plugin struct.
-    /// </summary>
-    internal int Index { get; }
-
-    /// <summary>
-    /// Update a plugin, keeping the existing ID.
-    /// </summary>
-    /// <param name="wasm">The plugin WASM bytes.</param>
-    /// <param name="withWasi">Enable/Disable WASI.</param>
-    unsafe public bool Update(ReadOnlySpan<byte> wasm, bool withWasi)
-    {
-        CheckNotDisposed();
-
-        var functions = _functions.Select(f => f.NativeHandle).ToArray();
-        fixed (byte* wasmPtr = wasm)
-        {
-            return LibExtism.extism_plugin_update(_context.NativeHandle, Index, wasmPtr, wasm.Length, functions, 0, withWasi);
-        }
-    }
-
-    /// <summary>
-    ///  Update plugin config values, this will merge with the existing values.
-    /// </summary>
-    /// <param name="json">The configuration JSON encoded in UTF8.</param>
-    unsafe public bool SetConfig(ReadOnlySpan<byte> json)
-    {
-        CheckNotDisposed();
-
-        fixed (byte* jsonPtr = json)
-        {
-            return LibExtism.extism_plugin_config(_context.NativeHandle, Index, jsonPtr, json.Length);
-        }
-    }
-
-    /// <summary>
-    /// Checks if a specific function exists in the current plugin.
-    /// </summary>
-    unsafe public bool FunctionExists(string name)
-    {
-        CheckNotDisposed();
-
-        return LibExtism.extism_plugin_function_exists(_context.NativeHandle, Index, name);
-    }
-
-    /// <summary>
-    /// Calls a function in the current plugin and returns a status.
-    /// If the status represents an error, call <see cref="GetError"/> to get the error.
-    /// Othewise, call <see cref="OutputData"/> to get the function's output data.
-    /// </summary>
-    /// <param name="functionName">Name of the function in the plugin to invoke.</param>
-    /// <param name="data">A buffer to provide as input to the function.</param>
-    /// <returns>The exit code of the function.</returns>
-    /// <exception cref="ExtismException"></exception>
-    unsafe public ReadOnlySpan<byte> CallFunction(string functionName, ReadOnlySpan<byte> data)
-    {
-        CheckNotDisposed();
-
-        fixed (byte* dataPtr = data)
-        {
-            int response = LibExtism.extism_plugin_call(_context.NativeHandle, Index, functionName, dataPtr, data.Length);
-            if (response == 0)
-            {
-                return OutputData();
-            }
-            else
-            {
-                var errorMsg = GetError();
-                if (errorMsg != null)
-                {
-                    throw new ExtismException(errorMsg);
-                }
-                else
-                {
-                    throw new ExtismException("Call to Extism failed");
-                }
-            }
-        }
-    }
-
-    /// <summary>
-    /// Get the length of a plugin's output data.
-    /// </summary>
-    /// <returns></returns>
-    unsafe internal int OutputLength()
-    {
-        CheckNotDisposed();
-
-        return (int)LibExtism.extism_plugin_output_length(_context.NativeHandle, Index);
-    }
-
-    /// <summary>
-    /// Get the plugin's output data.
-    /// </summary>
-    internal ReadOnlySpan<byte> OutputData()
-    {
-        CheckNotDisposed();
-
-        var length = OutputLength();
-
-        unsafe
-        {
-            var ptr = LibExtism.extism_plugin_output_data(_context.NativeHandle, Index).ToPointer();
-            return new Span<byte>(ptr, length);
-        }
-    }
-
-    /// <summary>
-    /// Get the error associated with the current plugin.
-    /// </summary>
-    /// <returns></returns>
-    unsafe internal string? GetError()
-    {
-        CheckNotDisposed();
-
-        var result = LibExtism.extism_error(_context.NativeHandle, Index);
-        return Marshal.PtrToStringUTF8(result);
-    }
-
-    /// <summary>
-    /// Frees all resources held by this Plugin.
-    /// </summary>
-    public void Dispose()
-    {
-        if (Interlocked.Exchange(ref _disposed, DisposedMarker) == DisposedMarker)
-        {
-            // Already disposed.
-            return;
-        }
-
-        Dispose(true);
-        GC.SuppressFinalize(this);
-    }
-
-    /// <summary>
-    /// Throw an appropriate exception if the plugin has been disposed.
-    /// </summary>
-    /// <exception cref="ObjectDisposedException"></exception>
-    protected void CheckNotDisposed()
-    {
-        Interlocked.MemoryBarrier();
-        if (_disposed == DisposedMarker)
-        {
-            ThrowDisposedException();
-        }
-    }
-
-    [DoesNotReturn]
-    private static void ThrowDisposedException()
-    {
-        throw new ObjectDisposedException(nameof(Plugin));
-    }
-
-    /// <summary>
-    /// Frees all resources held by this Plugin.
-    /// </summary>
-    unsafe protected virtual void Dispose(bool disposing)
-    {
-        if (disposing)
-        {
-            // Free up any managed resources here
-        }
-
-        // Free up unmanaged resources
-        LibExtism.extism_plugin_free(_context.NativeHandle, Index);
-    }
-
-    /// <summary>
-    /// Destructs the current Plugin and frees all resources used by it.
-    /// </summary>
-    ~Plugin()
-    {
-        Dispose(false);
-    }
-}

dotnet/src/Extism.Sdk/README.md

@@ -1,2 +0,0 @@
-## Extism.Sdk
-Extism SDK that allows hosting Extism plugins in .NET apps.

dotnet/test/Extism.Sdk/BasicTests.cs

@@ -1,73 +0,0 @@
-using Extism.Sdk.Native;
-
-using System.Reflection;
-using System.Runtime.InteropServices;
-using System.Text;
-
-using Xunit;
-
-namespace Extism.Sdk.Tests;
-
-public class BasicTests
-{
-    [Fact]
-    public void CountHelloWorldVowelsWithoutContext()
-    {
-        var binDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location)!;
-        var wasm = File.ReadAllBytes(Path.Combine(binDirectory, "code.wasm"));
-        using var plugin = Plugin.Create(wasm, Array.Empty<HostFunction>(), withWasi: true);
-
-        var response = plugin.CallFunction("count_vowels", Encoding.UTF8.GetBytes("Hello World"));
-        Assert.Equal("{\"count\": 3}", Encoding.UTF8.GetString(response));
-    }
-
-    [Fact]
-    public void CountHelloWorldVowels()
-    {
-        using var context = new Context();
-
-        var binDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location)!;
-        var wasm = File.ReadAllBytes(Path.Combine(binDirectory, "code.wasm"));
-        using var plugin = context.CreatePlugin(wasm, Array.Empty<HostFunction>(), withWasi: true);
-
-        var response = plugin.CallFunction("count_vowels", Encoding.UTF8.GetBytes("Hello World"));
-        Assert.Equal("{\"count\": 3}", Encoding.UTF8.GetString(response));
-    }
-
-    [Fact]
-    public void CountVowelsHostFunctions()
-    {
-        using var context = new Context();
-
-        var userData = Marshal.StringToHGlobalAnsi("Hello again!");
-
-        using var helloWorld = new HostFunction(
-            "hello_world",
-            "env",
-            new[] { ExtismValType.I64 },
-            new[] { ExtismValType.I64 },
-            userData,
-            HelloWorld);
-
-        var binDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location)!;
-        var wasm = File.ReadAllBytes(Path.Combine(binDirectory, "code-functions.wasm"));
-        using var plugin = context.CreatePlugin(wasm, new[] { helloWorld }, withWasi: true);
-
-        var response = plugin.CallFunction("count_vowels", Encoding.UTF8.GetBytes("Hello World"));
-        Assert.Equal("{\"count\": 3}", Encoding.UTF8.GetString(response));
-
-        void HelloWorld(CurrentPlugin plugin, Span<ExtismVal> inputs, Span<ExtismVal> outputs, nint data)
-        {
-            Console.WriteLine("Hello from .NET!");
-
-            var text = Marshal.PtrToStringAnsi(data);
-            Console.WriteLine(text);
-
-            var input = plugin.ReadString(new nint(inputs[0].v.i64));
-            Console.WriteLine($"Input: {input}");
-
-            var output = new string(input); // clone the string
-            outputs[0].v.i64 = plugin.WriteString(output);
-        }
-    }
-}

dotnet/test/Extism.Sdk/Extism.Sdk.Tests.csproj

@@ -1,42 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-	<PropertyGroup>
-		<TargetFramework>net7.0</TargetFramework>
-		<ImplicitUsings>enable</ImplicitUsings>
-		<Nullable>enable</Nullable>
-
-		<IsPackable>false</IsPackable>
-	</PropertyGroup>
-
-	<ItemGroup>
-		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.2" />
-		<PackageReference Include="xunit" Version="2.4.2" />
-		<PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
-			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-			<PrivateAssets>all</PrivateAssets>
-		</PackageReference>
-		<PackageReference Include="coverlet.collector" Version="3.1.2">
-			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-			<PrivateAssets>all</PrivateAssets>
-		</PackageReference>
-	</ItemGroup>
-
-	<ItemGroup>
-		<None Include="..\..\..\wasm\code.wasm" Link="code.wasm">
-			<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-		</None>
-		<None Include="..\..\..\wasm\code-functions.wasm" Link="code-functions.wasm">
-			<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-		</None>
-	</ItemGroup>
-
-
-	<ItemGroup>
-		<ProjectReference Include="..\..\src\Extism.Sdk\Extism.Sdk.csproj" />
-	</ItemGroup>
-
-	<ItemGroup>
-		<PackageReference Include="Extism.runtime.win-x64" Version="0.4.0" />
-	</ItemGroup>
-
-</Project>

dune-project

@@ -19,30 +19,6 @@
  (name extism)
  (synopsis "Extism bindings")
  (description "Bindings to Extism, the universal plugin system")
- (depends 
-  (ocaml (>= 4.14.1)) 
-  dune
-  (ctypes (>= 0.18.0))
-  (ctypes-foreign (>= 0.18.0))
-  (bigstringaf (>= 0.9.0))
-  (ppx_yojson_conv (>= v0.15.0))
-  (extism-manifest (= :version))
-  (ppx_inline_test (>= v0.15.0))
-  (cmdliner (>= 1.1.1))
- )
- (tags
-  (topics wasm plugin)))
-
-(package
- (name extism-manifest)
- (synopsis "Extism manifest bindings")
- (description "Bindings to the Extism manifest format")
- (depends 
-  (ocaml (>= 4.14.1)) 
-  dune
-  (ppx_yojson_conv (>= v0.15.0))
-  (ppx_inline_test (>= v0.15.0))
-  (base64 (>= 3.5.0))
- )
+ (depends ocaml dune ctypes-foreign bigstringaf ppx_yojson_conv base64 ppx_inline_test)
  (tags
   (topics wasm plugin)))

elixir/README.md

@@ -13,7 +13,7 @@ You can find this package on [hex.pm](https://hex.pm/packages/extism).
 ```elixir
 def deps do
   [
-    {:extism, "~> 0.1.0"}
+    {:extism, "~> 0.0.1-rc.5"}
   ]
 end
 ```
@@ -70,4 +70,4 @@ The key method to know here is [Extism.Plugin#call](Extism.Plugin.html#call/3) w
 ```elixir
 {:ok, plugin} = Extism.Context.new_plugin(ctx, manifest, false)
 {:ok, output} = Extism.Plugin.call(plugin, "count_vowels", "this is a test")
-```
+```

elixir/lib/extism/cancel_handle.ex

@@ -1,31 +0,0 @@
-defmodule Extism.CancelHandle do
-  @moduledoc """
-  A CancelHandle is a handle generated by a plugin that allows it to be cancelled from another
-  thread while running.
-  """
-  defstruct [
-    # The actual NIF Resource. PluginIndex and the context
-    handle: nil
-  ]
-
-  def wrap_resource(handle) do
-    %__MODULE__{
-      handle: handle
-    }
-  end
-
-  @doc """
-  Cancel plugin execution
-  """
-  def cancel(handle) do
-    Extism.Native.plugin_cancel(handle.handle)
-  end
-end
-
-defimpl Inspect, for: Extim.CancelHandle do
-  import Inspect.Algebra
-
-  def inspect(dict, opts) do
-    concat(["#Extism.CancelHandle<", to_doc(dict.handle, opts), ">"])
-  end
-end

elixir/lib/extism/context.ex

@@ -49,7 +49,7 @@ defmodule Extism.Context do
   ## Parameters
 
     - ctx: The Context to manage this plugin
-    - manifest: The String or Map of the WASM module or [manifest](https://extism.org/docs/concepts/manifest)
+    - manifest: The String or Map of the WASM module or manifest
     - wasi: A bool you set to true if you want WASI support
 
   """

elixir/lib/extism/native.ex

@@ -16,8 +16,6 @@ defmodule Extism.Native do
   def plugin_has_function(_ctx, _plugin_id, _function_name), do: error()
   def plugin_free(_ctx, _plugin_id), do: error()
   def set_log_file(_filename, _level), do: error()
-  def plugin_cancel_handle(_ctx, _plugin_id), do: error()
-  def plugin_cancel(_handle), do: error()
 
   defp error, do: :erlang.nif_error(:nif_not_loaded)
 end

elixir/lib/extism/plugin.ex

@@ -15,25 +15,12 @@ defmodule Extism.Plugin do
     }
   end
 
-  @doc """
-  Creates a new plugin
-  """
-  def new(manifest, wasi \\ false, context \\ nil) do
-    ctx = context || Extism.Context.new()
-    {:ok, manifest_payload} = JSON.encode(manifest)
-
-    case Extism.Native.plugin_new_with_manifest(ctx.ptr, manifest_payload, wasi) do
-      {:error, err} -> {:error, err}
-      res -> {:ok, Extism.Plugin.wrap_resource(ctx, res)}
-    end
-  end
-
   @doc """
   Call a plugin's function by name
 
   ## Examples
 
-      iex> {:ok, plugin} = Extism.Plugin.new(manifest, false)
+      iex> {:ok, plugin} = Extism.Context.new_plugin(ctx, manifest, false)
       iex> {:ok, output} = Extism.Plugin.call(plugin, "count_vowels", "this is a test")
          # {:ok, "{\"count\": 4}"}
 
@@ -57,14 +44,6 @@ defmodule Extism.Plugin do
 
   @doc """
   Updates the manifest of the given plugin
-
-  ## Parameters
-
-    - ctx: The Context to manage this plugin
-    - manifest: The String or Map of the WASM module or [manifest](https://extism.org/docs/concepts/manifest)
-    - wasi: A bool you set to true if you want WASI support
-
-
   """
   def update(plugin, manifest, wasi) when is_map(manifest) do
     {:ok, manifest_payload} = JSON.encode(manifest)

elixir/mix.exs

@@ -4,8 +4,8 @@ defmodule Extism.MixProject do
   def project do
     [
       app: :extism,
-      version: "0.5.0",
-      elixir: "~> 1.12",
+      version: "0.0.1-rc.5",
+      elixir: "~> 1.14",
       start_permanent: Mix.env() == :prod,
       deps: deps(),
       package: package(),
@@ -23,7 +23,7 @@ defmodule Extism.MixProject do
 
   defp deps do
     [
-      {:rustler, "~> 0.29.1"},
+      {:rustler, "~> 0.26.0"},
       {:json, "~> 1.4"},
       {:ex_doc, "~> 0.21", only: :dev, runtime: false}
     ]
@@ -43,7 +43,7 @@ defmodule Extism.MixProject do
       licenses: ["BSD-3-Clause"],
       description: "Extism Host SDK for Elixir and Erlang",
       name: "extism",
-      files: ~w(lib native .formatter.exs mix.exs README.md LICENSE),
+      files: ~w(lib native priv .formatter.exs mix.exs README.md LICENSE),
       links: %{"GitHub" => "https://github.com/extism/extism"}
     ]
   end

elixir/mix.lock

@@ -1,12 +1,12 @@
 %{
-  "earmark_parser": {:hex, :earmark_parser, "1.4.33", "3c3fd9673bb5dcc9edc28dd90f50c87ce506d1f71b70e3de69aa8154bc695d44", [:mix], [], "hexpm", "2d526833729b59b9fdb85785078697c72ac5e5066350663e5be6a1182da61b8f"},
-  "ex_doc": {:hex, :ex_doc, "0.30.5", "aa6da96a5c23389d7dc7c381eba862710e108cee9cfdc629b7ec021313900e9e", [:mix], [{:earmark_parser, "~> 1.4.31", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1", [hex: :makeup_erlang, repo: "hexpm", optional: false]}], "hexpm", "88a1e115dcb91cefeef7e22df4a6ebbe4634fbf98b38adcbc25c9607d6d9d8e6"},
+  "earmark_parser": {:hex, :earmark_parser, "1.4.29", "149d50dcb3a93d9f3d6f3ecf18c918fb5a2d3c001b5d3305c926cddfbd33355b", [:mix], [], "hexpm", "4902af1b3eb139016aed210888748db8070b8125c2342ce3dcae4f38dcc63503"},
+  "ex_doc": {:hex, :ex_doc, "0.29.0", "4a1cb903ce746aceef9c1f9ae8a6c12b742a5461e6959b9d3b24d813ffbea146", [:mix], [{:earmark_parser, "~> 1.4.19", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1", [hex: :makeup_erlang, repo: "hexpm", optional: false]}], "hexpm", "f096adb8bbca677d35d278223361c7792d496b3fc0d0224c9d4bc2f651af5db1"},
   "jason": {:hex, :jason, "1.4.0", "e855647bc964a44e2f67df589ccf49105ae039d4179db7f6271dfd3843dc27e6", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "79a3791085b2a0f743ca04cec0f7be26443738779d09302e01318f97bdb82121"},
   "json": {:hex, :json, "1.4.1", "8648f04a9439765ad449bc56a3ff7d8b11dd44ff08ffcdefc4329f7c93843dfa", [:mix], [], "hexpm", "9abf218dbe4ea4fcb875e087d5f904ef263d012ee5ed21d46e9dbca63f053d16"},
   "makeup": {:hex, :makeup, "1.1.0", "6b67c8bc2882a6b6a445859952a602afc1a41c2e08379ca057c0f525366fc3ca", [:mix], [{:nimble_parsec, "~> 1.2.2 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "0a45ed501f4a8897f580eabf99a2e5234ea3e75a4373c8a52824f6e873be57a6"},
-  "makeup_elixir": {:hex, :makeup_elixir, "0.16.1", "cc9e3ca312f1cfeccc572b37a09980287e243648108384b97ff2b76e505c3555", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.2.3 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "e127a341ad1b209bd80f7bd1620a15693a9908ed780c3b763bccf7d200c767c6"},
-  "makeup_erlang": {:hex, :makeup_erlang, "0.1.2", "ad87296a092a46e03b7e9b0be7631ddcf64c790fa68a9ef5323b6cbb36affc72", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm", "f3f5a1ca93ce6e092d92b6d9c049bcda58a3b617a8d888f8e7231c85630e8108"},
-  "nimble_parsec": {:hex, :nimble_parsec, "1.3.1", "2c54013ecf170e249e9291ed0a62e5832f70a476c61da16f6aac6dca0189f2af", [:mix], [], "hexpm", "2682e3c0b2eb58d90c6375fc0cc30bc7be06f365bf72608804fb9cffa5e1b167"},
-  "rustler": {:hex, :rustler, "0.29.1", "880f20ae3027bd7945def6cea767f5257bc926f33ff50c0d5d5a5315883c084d", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}, {:toml, "~> 0.6", [hex: :toml, repo: "hexpm", optional: false]}], "hexpm", "109497d701861bfcd26eb8f5801fe327a8eef304f56a5b63ef61151ff44ac9b6"},
-  "toml": {:hex, :toml, "0.7.0", "fbcd773caa937d0c7a02c301a1feea25612720ac3fa1ccb8bfd9d30d822911de", [:mix], [], "hexpm", "0690246a2478c1defd100b0c9b89b4ea280a22be9a7b313a8a058a2408a2fa70"},
+  "makeup_elixir": {:hex, :makeup_elixir, "0.16.0", "f8c570a0d33f8039513fbccaf7108c5d750f47d8defd44088371191b76492b0b", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.2.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "28b2cbdc13960a46ae9a8858c4bebdec3c9a6d7b4b9e7f4ed1502f8159f338e7"},
+  "makeup_erlang": {:hex, :makeup_erlang, "0.1.1", "3fcb7f09eb9d98dc4d208f49cc955a34218fc41ff6b84df7c75b3e6e533cc65f", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm", "174d0809e98a4ef0b3309256cbf97101c6ec01c4ab0b23e926a9e17df2077cbb"},
+  "nimble_parsec": {:hex, :nimble_parsec, "1.2.3", "244836e6e3f1200c7f30cb56733fd808744eca61fd182f731eac4af635cc6d0b", [:mix], [], "hexpm", "c8d789e39b9131acf7b99291e93dae60ab48ef14a7ee9d58c6964f59efb570b0"},
+  "rustler": {:hex, :rustler, "0.26.0", "06a2773d453ee3e9109efda643cf2ae633dedea709e2455ac42b83637c9249bf", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}, {:toml, "~> 0.6", [hex: :toml, repo: "hexpm", optional: false]}], "hexpm", "42961e9d2083d004d5a53e111ad1f0c347efd9a05cb2eb2ffa1d037cdc74db91"},
+  "toml": {:hex, :toml, "0.6.2", "38f445df384a17e5d382befe30e3489112a48d3ba4c459e543f748c2f25dd4d1", [:mix], [], "hexpm", "d013e45126d74c0c26a38d31f5e8e9b83ea19fc752470feb9a86071ca5a672fa"},
 }

elixir/native/extism_nif/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "extism_nif"
-version = "0.3.0"
+version = "0.0.1-rc.5"
 edition = "2021"
 authors = ["Benjamin Eckel <bhelx@simst.im>"]
 
@@ -9,10 +9,7 @@ name = "extism_nif"
 path = "src/lib.rs"
 crate-type = ["cdylib"]
 
-# need this to be here and be empty
-[workspace]
-
 [dependencies]
-rustler = "0.28.0"
-extism = "0.5.0"
+rustler = "0.26.0"
+extism = { version = "0.0.1-rc.5" }
 log = "0.4"

elixir/native/extism_nif/src/lib.rs

@@ -1,10 +1,10 @@
-use extism::{Context, Plugin};
-use rustler::{Atom, Env, ResourceArc, Term};
-use std::mem;
-use std::path::Path;
+use rustler::{Atom, Env, Term, ResourceArc};
+use extism::{Plugin, Context};
 use std::str;
+use std::path::Path;
 use std::str::FromStr;
 use std::sync::RwLock;
+use std::mem;
 
 mod atoms {
     rustler::atoms! {
@@ -15,33 +15,27 @@ mod atoms {
 }
 
 struct ExtismContext {
-    ctx: RwLock<Context>,
+    ctx: RwLock<Context>
 }
-unsafe impl Sync for ExtismContext {}
-unsafe impl Send for ExtismContext {}
-
-struct ExtismCancelHandle {
-    handle: RwLock<extism::CancelHandle>,
-}
-
-unsafe impl Sync for ExtismCancelHandle {}
-unsafe impl Send for ExtismCancelHandle {}
 
 fn load(env: Env, _: Term) -> bool {
     rustler::resource!(ExtismContext, env);
-    rustler::resource!(ExtismCancelHandle, env);
     true
 }
 
 fn to_rustler_error(extism_error: extism::Error) -> rustler::Error {
-    rustler::Error::Term(Box::new(extism_error.to_string()))
+    match extism_error {
+        extism::Error::UnableToLoadPlugin(msg) => rustler::Error::Term(Box::new(msg)),
+        extism::Error::Message(msg) => rustler::Error::Term(Box::new(msg)),
+        extism::Error::Json(json_err) => rustler::Error::Term(Box::new(json_err.to_string()))
+    }
 }
 
 #[rustler::nif]
 fn context_new() -> ResourceArc<ExtismContext> {
-    ResourceArc::new(ExtismContext {
-        ctx: RwLock::new(Context::new()),
-    })
+    ResourceArc::new(
+        ExtismContext { ctx: RwLock::new(Context::new()) }
+    )
 }
 
 #[rustler::nif]
@@ -52,18 +46,14 @@ fn context_reset(ctx: ResourceArc<ExtismContext>) {
 
 #[rustler::nif]
 fn context_free(ctx: ResourceArc<ExtismContext>) {
-    let context = ctx.ctx.read().unwrap();
+    let context = &ctx.ctx.read().unwrap();
     std::mem::drop(context)
 }
 
 #[rustler::nif]
-fn plugin_new_with_manifest(
-    ctx: ResourceArc<ExtismContext>,
-    manifest_payload: String,
-    wasi: bool,
-) -> Result<i32, rustler::Error> {
-    let context = ctx.ctx.write().unwrap();
-    let result = match Plugin::new(&context, manifest_payload, [], wasi) {
+fn plugin_new_with_manifest(ctx: ResourceArc<ExtismContext>, manifest_payload: String, wasi: bool) -> Result<i32, rustler::Error> {
+    let context = &ctx.ctx.write().unwrap();
+    let result = match Plugin::new(context, manifest_payload, wasi) {
         Err(e) => Err(to_rustler_error(e)),
         Ok(plugin) => {
             let plugin_id = plugin.as_i32();
@@ -77,64 +67,38 @@ fn plugin_new_with_manifest(
 }
 
 #[rustler::nif]
-fn plugin_call(
-    ctx: ResourceArc<ExtismContext>,
-    plugin_id: i32,
-    name: String,
-    input: String,
-) -> Result<String, rustler::Error> {
-    let context = &ctx.ctx.read().unwrap();
-    let mut plugin = unsafe { Plugin::from_id(plugin_id, context) };
-    let result = match plugin.call(name, input) {
-        Err(e) => Err(to_rustler_error(e)),
-        Ok(result) => match str::from_utf8(result) {
-            Ok(output) => Ok(output.to_string()),
-            Err(_e) => Err(rustler::Error::Term(Box::new(
-                "Could not read output from plugin",
-            ))),
-        },
-    };
-    // this forget should be safe because the context will clean up
-    // all it's plugins when it is dropped
-    mem::forget(plugin);
-    result
-}
-
-#[rustler::nif]
-fn plugin_update_manifest(
-    ctx: ResourceArc<ExtismContext>,
-    plugin_id: i32,
-    manifest_payload: String,
-    wasi: bool,
-) -> Result<(), rustler::Error> {
-    let context = &ctx.ctx.read().unwrap();
-    let mut plugin = unsafe { Plugin::from_id(plugin_id, context) };
-    let result = match plugin.update(manifest_payload, [], wasi) {
-        Ok(()) => Ok(()),
-        Err(e) => Err(to_rustler_error(e)),
-    };
-    // this forget should be safe because the context will clean up
-    // all it's plugins when it is dropped
-    mem::forget(plugin);
-    result
-}
-
-#[rustler::nif]
-fn plugin_cancel_handle(
-    ctx: ResourceArc<ExtismContext>,
-    plugin_id: i32,
-) -> Result<ResourceArc<ExtismCancelHandle>, rustler::Error> {
+fn plugin_call(ctx: ResourceArc<ExtismContext>, plugin_id: i32, name: String, input: String) -> Result<String, rustler::Error> {
     let context = &ctx.ctx.read().unwrap();
     let plugin = unsafe { Plugin::from_id(plugin_id, context) };
-    let handle = plugin.cancel_handle();
-    Ok(ResourceArc::new(ExtismCancelHandle {
-        handle: RwLock::new(handle),
-    }))
+    let result = match plugin.call(name, input) {
+        Err(e) => Err(to_rustler_error(e)),
+        Ok(result) => {
+            match str::from_utf8(&result) {
+                Ok(output) => Ok(output.to_string()),
+                Err(_e) => Err(rustler::Error::Term(Box::new("Could not read output from plugin")))
+            }
+        }
+    };
+    // this forget should be safe because the context will clean up
+    // all it's plugins when it is dropped
+    mem::forget(plugin);
+    result
 }
 
 #[rustler::nif]
-fn plugin_cancel(handle: ResourceArc<ExtismCancelHandle>) -> bool {
-    handle.handle.read().unwrap().cancel()
+fn plugin_update_manifest(ctx: ResourceArc<ExtismContext>, plugin_id: i32, manifest_payload: String, wasi: bool) -> Result<(), rustler::Error> {
+    let context = &ctx.ctx.read().unwrap();
+    let mut plugin = unsafe { Plugin::from_id(plugin_id, context) };
+    let result = match plugin.update(manifest_payload, wasi) {
+        Ok(()) => {
+            Ok(())
+        },
+        Err(e) => Err(to_rustler_error(e))
+    };
+    // this forget should be safe because the context will clean up
+    // all it's plugins when it is dropped
+    mem::forget(plugin);
+    result
 }
 
 #[rustler::nif]
@@ -149,28 +113,16 @@ fn plugin_free(ctx: ResourceArc<ExtismContext>, plugin_id: i32) -> Result<(), ru
 fn set_log_file(filename: String, log_level: String) -> Result<Atom, rustler::Error> {
     let path = Path::new(&filename);
     match log::Level::from_str(&log_level) {
-        Err(_e) => Err(rustler::Error::Term(Box::new(format!(
-            "{} not a valid log level",
-            log_level
-        )))),
+        Err(_e) => Err(rustler::Error::Term(Box::new(format!("{} not a valid log level", log_level)))),
         Ok(level) => {
-            if extism::set_log_file(path, Some(level)) {
-                Ok(atoms::ok())
-            } else {
-                Err(rustler::Error::Term(Box::new(
-                    "Did not set log file, received false from the API.",
-                )))
-            }
+            extism::set_log_file(path, Some(level));
+            Ok(atoms::ok())
         }
     }
 }
 
 #[rustler::nif]
-fn plugin_has_function(
-    ctx: ResourceArc<ExtismContext>,
-    plugin_id: i32,
-    function_name: String,
-) -> Result<bool, rustler::Error> {
+fn plugin_has_function(ctx: ResourceArc<ExtismContext>, plugin_id: i32, function_name: String) -> Result<bool, rustler::Error> {
     let context = &ctx.ctx.read().unwrap();
     let plugin = unsafe { Plugin::from_id(plugin_id, context) };
     let has_function = plugin.has_function(function_name);
@@ -190,8 +142,6 @@ rustler::init!(
         plugin_call,
         plugin_update_manifest,
         plugin_has_function,
-        plugin_cancel_handle,
-        plugin_cancel,
         plugin_free,
         set_log_file,
     ],

elixir/test/extism_test.exs

@@ -35,8 +35,6 @@ defmodule ExtismTest do
     assert JSON.decode(output) == {:ok, %{"count" => 7}}
     {:ok, output} = Extism.Plugin.call(plugin, "count_vowels", "this is a test thrice")
     assert JSON.decode(output) == {:ok, %{"count" => 6}}
-    {:ok, output} = Extism.Plugin.call(plugin, "count_vowels", "🌎hello🌎world🌎")
-    assert JSON.decode(output) == {:ok, %{"count" => 3}}
     Extism.Context.free(ctx)
   end
 

extism-manifest.opam

@@ -1,34 +0,0 @@
-# This file is generated by dune, edit dune-project instead
-opam-version: "2.0"
-synopsis: "Extism manifest bindings"
-description: "Bindings to the Extism manifest format"
-maintainer: ["Extism Authors <oss@extism.org>"]
-authors: ["Extism Authors <oss@extism.org>"]
-license: "BSD-3-Clause"
-tags: ["topics" "wasm" "plugin"]
-homepage: "https://github.com/extism/extism"
-doc: "https://github.com/extism/extism"
-bug-reports: "https://github.com/extism/extism/issues"
-depends: [
-  "ocaml" {>= "4.14.1"}
-  "dune" {>= "3.2"}
-  "ppx_yojson_conv" {>= "v0.15.0"}
-  "ppx_inline_test" {>= "v0.15.0"}
-  "base64" {>= "3.5.0"}
-  "odoc" {with-doc}
-]
-build: [
-  ["dune" "subst"] {dev}
-  [
-    "dune"
-    "build"
-    "-p"
-    name
-    "-j"
-    jobs
-    "@install"
-    "@runtest" {with-test}
-    "@doc" {with-doc}
-  ]
-]
-dev-repo: "git+https://github.com/extism/extism.git"

extism.go

@@ -5,50 +5,13 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"runtime/cgo"
 	"unsafe"
 )
 
 /*
-#cgo CFLAGS: -I/usr/local/include
-#cgo LDFLAGS: -L/usr/local/lib -lextism
+#cgo pkg-config: libextism.pc
 #include <extism.h>
 #include <stdlib.h>
-
-int64_t extism_val_i64(ExtismValUnion* x){
-	return x->i64;
-}
-
-int32_t extism_val_i32(ExtismValUnion* x){
-	return x->i32;
-}
-
-float extism_val_f32(ExtismValUnion* x){
-	return x->f32;
-}
-
-double extism_val_f64(ExtismValUnion* x){
-	return x->f64;
-}
-
-
-void extism_val_set_i64(ExtismValUnion* x, int64_t i){
-	x->i64 = i;
-}
-
-
-void extism_val_set_i32(ExtismValUnion* x, int32_t i){
-	x->i32 = i;
-}
-
-void extism_val_set_f32(ExtismValUnion* x, float f){
-	x->f32 = f;
-}
-
-void extism_val_set_f64(ExtismValUnion* x, double f){
-	x->f64 = f;
-}
-
 */
 import "C"
 
@@ -57,106 +20,6 @@ type Context struct {
 	pointer *C.ExtismContext
 }
 
-type ValType = C.ExtismValType
-
-type Val = C.ExtismVal
-
-type Size = C.ExtismSize
-
-var (
-	I32       ValType = C.I32
-	I64       ValType = C.I64
-	F32       ValType = C.F32
-	F64       ValType = C.F64
-	V128      ValType = C.V128
-	FuncRef   ValType = C.FuncRef
-	ExternRef ValType = C.ExternRef
-)
-
-// Function is used to define host functions
-type Function struct {
-	pointer  *C.ExtismFunction
-	userData cgo.Handle
-}
-
-// Free a function
-func (f *Function) Free() {
-	C.extism_function_free(f.pointer)
-	f.pointer = nil
-	f.userData.Delete()
-}
-
-// NewFunction creates a new host function with the given name, input/outputs and optional user data, which can be an
-// arbitrary `interface{}`
-func NewFunction(name string, inputs []ValType, outputs []ValType, f unsafe.Pointer, userData interface{}) Function {
-	var function Function
-	function.userData = cgo.NewHandle(userData)
-	cname := C.CString(name)
-	ptr := unsafe.Pointer(function.userData)
-	var inputsPtr *C.ExtismValType = nil
-	if len(inputs) > 0 {
-		inputsPtr = (*C.ExtismValType)(&inputs[0])
-	}
-	var outputsPtr *C.ExtismValType = nil
-	if len(outputs) > 0 {
-		outputsPtr = (*C.ExtismValType)(&outputs[0])
-	}
-	function.pointer = C.extism_function_new(
-		cname,
-		inputsPtr,
-		C.uint64_t(len(inputs)),
-		outputsPtr,
-		C.uint64_t(len(outputs)),
-		(*[0]byte)(f),
-		ptr,
-		nil,
-	)
-	C.free(unsafe.Pointer(cname))
-	return function
-}
-
-func (f *Function) SetNamespace(s string) {
-	cstr := C.CString(s)
-	defer C.free(unsafe.Pointer(cstr))
-	C.extism_function_set_namespace(f.pointer, cstr)
-}
-
-func (f Function) WithNamespace(s string) Function {
-	f.SetNamespace(s)
-	return f
-}
-
-type CurrentPlugin struct {
-	pointer *C.ExtismCurrentPlugin
-}
-
-func GetCurrentPlugin(ptr unsafe.Pointer) CurrentPlugin {
-	return CurrentPlugin{
-		pointer: (*C.ExtismCurrentPlugin)(ptr),
-	}
-}
-
-func (p *CurrentPlugin) Memory(offs uint) []byte {
-	length := C.extism_current_plugin_memory_length(p.pointer, C.uint64_t(offs))
-	data := unsafe.Pointer(C.extism_current_plugin_memory(p.pointer))
-	return unsafe.Slice((*byte)(unsafe.Add(data, offs)), C.int(length))
-}
-
-// Alloc a new memory block of the given length, returning its offset
-func (p *CurrentPlugin) Alloc(n uint) uint {
-	return uint(C.extism_current_plugin_memory_alloc(p.pointer, C.uint64_t(n)))
-}
-
-// Free the memory block specified by the given offset
-func (p *CurrentPlugin) Free(offs uint) {
-	C.extism_current_plugin_memory_free(p.pointer, C.uint64_t(offs))
-}
-
-// Length returns the number of bytes allocated at the specified offset
-func (p *CurrentPlugin) Length(offs uint) uint {
-	return uint(C.extism_current_plugin_memory_length(p.pointer, C.uint64_t(offs)))
-}
-
 // NewContext creates a new context, it should be freed using the `Free` method
 func NewContext() Context {
 	p := C.extism_context_new()
@@ -173,9 +36,8 @@ func (ctx *Context) Free() {
 
 // Plugin is used to call WASM functions
 type Plugin struct {
-	ctx       *Context
-	id        int32
-	functions []Function
+	ctx *Context
+	id  int32
 }
 
 type WasmData struct {
@@ -191,11 +53,11 @@ type WasmFile struct {
 }
 
 type WasmUrl struct {
-	Url     string            `json:"url"`
-	Hash    string            `json:"hash,omitempty"`
-	Headers map[string]string `json:"headers,omitempty"`
-	Name    string            `json:"name,omitempty"`
-	Method  string            `json:"method,omitempty"`
+	Url    string            `json:"url"`
+	Hash   string            `json:"hash,omitempty"`
+	Header map[string]string `json:"header,omitempty"`
+	Name   string            `json:"name,omitempty"`
+	Method string            `json:"method,omitempty"`
 }
 
 type Wasm interface{}
@@ -203,12 +65,10 @@ type Wasm interface{}
 type Manifest struct {
 	Wasm   []Wasm `json:"wasm"`
 	Memory struct {
-		MaxPages uint32 `json:"max_pages,omitempty"`
+		Max uint32 `json:"max,omitempty"`
 	} `json:"memory,omitempty"`
 	Config       map[string]string `json:"config,omitempty"`
 	AllowedHosts []string          `json:"allowed_hosts,omitempty"`
-	AllowedPaths map[string]string `json:"allowed_paths,omitempty"`
-	Timeout      uint              `json:"timeout_ms,omitempty"`
 }
 
 func makePointer(data []byte) unsafe.Pointer {
@@ -234,32 +94,14 @@ func ExtismVersion() string {
 	return C.GoString(C.extism_version())
 }
 
-func register(ctx *Context, data []byte, functions []Function, wasi bool) (Plugin, error) {
+func register(ctx *Context, data []byte, wasi bool) (Plugin, error) {
 	ptr := makePointer(data)
-	functionPointers := []*C.ExtismFunction{}
-	for _, f := range functions {
-		functionPointers = append(functionPointers, f.pointer)
-	}
-	plugin := C.int32_t(-1)
-
-	if len(functions) == 0 {
-		plugin = C.extism_plugin_new(
-			ctx.pointer,
-			(*C.uchar)(ptr),
-			C.uint64_t(len(data)),
-			nil,
-			0,
-			C._Bool(wasi))
-	} else {
-		plugin = C.extism_plugin_new(
-			ctx.pointer,
-			(*C.uchar)(ptr),
-			C.uint64_t(len(data)),
-			&functionPointers[0],
-			C.uint64_t(len(functions)),
-			C._Bool(wasi),
-		)
-	}
+	plugin := C.extism_plugin_new(
+		ctx.pointer,
+		(*C.uchar)(ptr),
+		C.uint64_t(len(data)),
+		C._Bool(wasi),
+	)
 
 	if plugin < 0 {
 		err := C.extism_error(ctx.pointer, C.int32_t(-1))
@@ -273,44 +115,21 @@ func register(ctx *Context, data []byte, functions []Function, wasi bool) (Plugi
 		)
 	}
 
-	return Plugin{id: int32(plugin), ctx: ctx, functions: functions}, nil
+	return Plugin{id: int32(plugin), ctx: ctx}, nil
 }
 
-func update(ctx *Context, plugin int32, data []byte, functions []Function, wasi bool) error {
+func update(ctx *Context, plugin int32, data []byte, wasi bool) error {
 	ptr := makePointer(data)
-	functionPointers := []*C.ExtismFunction{}
-	for _, f := range functions {
-		functionPointers = append(functionPointers, f.pointer)
-	}
+	b := bool(C.extism_plugin_update(
+		ctx.pointer,
+		C.int32_t(plugin),
+		(*C.uchar)(ptr),
+		C.uint64_t(len(data)),
+		C._Bool(wasi),
+	))
 
-	if len(functions) == 0 {
-		b := bool(C.extism_plugin_update(
-			ctx.pointer,
-			C.int32_t(plugin),
-			(*C.uchar)(ptr),
-			C.uint64_t(len(data)),
-			nil,
-			0,
-			C._Bool(wasi),
-		))
-
-		if b {
-			return nil
-		}
-	} else {
-		b := bool(C.extism_plugin_update(
-			ctx.pointer,
-			C.int32_t(plugin),
-			(*C.uchar)(ptr),
-			C.uint64_t(len(data)),
-			&functionPointers[0],
-			C.uint64_t(len(functions)),
-			C._Bool(wasi),
-		))
-
-		if b {
-			return nil
-		}
+	if b {
+		return nil
 	}
 
 	err := C.extism_error(ctx.pointer, C.int32_t(-1))
@@ -324,57 +143,44 @@ func update(ctx *Context, plugin int32, data []byte, functions []Function, wasi
 	)
 }
 
-// NewPlugin creates a plugin in its own context
-func NewPlugin(module io.Reader, functions []Function, wasi bool) (Plugin, error) {
-	ctx := NewContext()
-	return ctx.Plugin(module, functions, wasi)
-}
-
-// NewPlugin creates a plugin in its own context from a manifest
-func NewPluginFromManifest(manifest Manifest, functions []Function, wasi bool) (Plugin, error) {
-	ctx := NewContext()
-	return ctx.PluginFromManifest(manifest, functions, wasi)
-}
-
 // PluginFromManifest creates a plugin from a `Manifest`
-func (ctx *Context) PluginFromManifest(manifest Manifest, functions []Function, wasi bool) (Plugin, error) {
+func (ctx *Context) PluginFromManifest(manifest Manifest, wasi bool) (Plugin, error) {
 	data, err := json.Marshal(manifest)
 	if err != nil {
 		return Plugin{id: -1}, err
 	}
 
-	return register(ctx, data, functions, wasi)
+	return register(ctx, data, wasi)
 }
 
 // Plugin creates a plugin from a WASM module
-func (ctx *Context) Plugin(module io.Reader, functions []Function, wasi bool) (Plugin, error) {
+func (ctx *Context) Plugin(module io.Reader, wasi bool) (Plugin, error) {
 	wasm, err := io.ReadAll(module)
 	if err != nil {
 		return Plugin{id: -1}, err
 	}
 
-	return register(ctx, wasm, functions, wasi)
+	return register(ctx, wasm, wasi)
 }
 
 // Update a plugin with a new WASM module
-func (p *Plugin) Update(module io.Reader, functions []Function, wasi bool) error {
+func (p *Plugin) Update(module io.Reader, wasi bool) error {
 	wasm, err := io.ReadAll(module)
 	if err != nil {
 		return err
 	}
-	p.functions = functions
-	return update(p.ctx, p.id, wasm, functions, wasi)
+
+	return update(p.ctx, p.id, wasm, wasi)
 }
 
 // Update a plugin with a new Manifest
-func (p *Plugin) UpdateManifest(manifest Manifest, functions []Function, wasi bool) error {
+func (p *Plugin) UpdateManifest(manifest Manifest, wasi bool) error {
 	data, err := json.Marshal(manifest)
 	if err != nil {
 		return err
 	}
 
-	p.functions = functions
-	return update(p.ctx, p.id, data, functions, wasi)
+	return update(p.ctx, p.id, data, wasi)
 }
 
 // Set configuration values
@@ -388,7 +194,7 @@ func (plugin Plugin) SetConfig(data map[string][]byte) error {
 	return nil
 }
 
-// FunctionExists returns true when the named function is present in the plugin
+/// FunctionExists returns true when the name function is present in the plugin
 func (plugin Plugin) FunctionExists(functionName string) bool {
 	name := C.CString(functionName)
 	b := C.extism_plugin_function_exists(plugin.ctx.pointer, C.int(plugin.id), name)
@@ -396,7 +202,7 @@ func (plugin Plugin) FunctionExists(functionName string) bool {
 	return bool(b)
 }
 
-// Call a function by name with the given input, returning the output
+/// Call a function by name with the given input, returning the output
 func (plugin Plugin) Call(functionName string, input []byte) ([]byte, error) {
 	ptr := makePointer(input)
 	name := C.CString(functionName)
@@ -425,7 +231,8 @@ func (plugin Plugin) Call(functionName string, input []byte) ([]byte, error) {
 
 	if length > 0 {
 		x := C.extism_plugin_output_data(plugin.ctx.pointer, C.int32_t(plugin.id))
-		return unsafe.Slice((*byte)(x), C.int(length)), nil
+		y := (*[]byte)(unsafe.Pointer(&x))
+		return []byte((*y)[0:length]), nil
 	}
 
 	return []byte{}, nil
@@ -444,80 +251,3 @@ func (plugin *Plugin) Free() {
 func (ctx Context) Reset() {
 	C.extism_context_reset(ctx.pointer)
 }
-
-// ValGetI64 returns an I64 from an ExtismVal, it accepts a pointer to a C.ExtismVal
-func ValGetI64(v unsafe.Pointer) int64 {
-	return int64(C.extism_val_i64(&(*Val)(v).v))
-}
-
-// ValGetUInt returns a uint from an ExtismVal, it accepts a pointer to a C.ExtismVal
-func ValGetUInt(v unsafe.Pointer) uint {
-	return uint(C.extism_val_i64(&(*Val)(v).v))
-}
-
-// ValGetI32 returns an int32 from an ExtismVal, it accepts a pointer to a C.ExtismVal
-func ValGetI32(v unsafe.Pointer) int32 {
-	return int32(C.extism_val_i32(&(*Val)(v).v))
-}
-
-// ValGetF32 returns a float32 from an ExtismVal, it accepts a pointer to a C.ExtismVal
-func ValGetF32(v unsafe.Pointer) float32 {
-	return float32(C.extism_val_f32(&(*Val)(v).v))
-}
-
-// ValGetF32 returns a float64 from an ExtismVal, it accepts a pointer to a C.ExtismVal
-func ValGetF64(v unsafe.Pointer) float64 {
-	return float64(C.extism_val_i64(&(*Val)(v).v))
-}
-
-// ValSetI64 stores an int64 in an ExtismVal, it accepts a pointer to a C.ExtismVal and the new value
-func ValSetI64(v unsafe.Pointer, i int64) {
-	C.extism_val_set_i64(&(*Val)(v).v, C.int64_t(i))
-}
-
-// ValSetI32 stores an int32 in an ExtismVal, it accepts a pointer to a C.ExtismVal and the new value
-func ValSetI32(v unsafe.Pointer, i int32) {
-	C.extism_val_set_i32(&(*Val)(v).v, C.int32_t(i))
-}
-
-// ValSetF32 stores a float32 in an ExtismVal, it accepts a pointer to a C.ExtismVal and the new value
-func ValSetF32(v unsafe.Pointer, i float32) {
-	C.extism_val_set_f32(&(*Val)(v).v, C.float(i))
-}
-
-// ValSetF64 stores a float64 in an ExtismVal, it accepts a pointer to a C.ExtismVal and the new value
-func ValSetF64(v unsafe.Pointer, f float64) {
-	C.extism_val_set_f64(&(*Val)(v).v, C.double(f))
-}
-
-func (p *CurrentPlugin) ReturnBytes(v unsafe.Pointer, b []byte) {
-	mem := p.Alloc(uint(len(b)))
-	ptr := p.Memory(mem)
-	copy(ptr, b)
-	ValSetI64(v, int64(mem))
-}
-
-func (p *CurrentPlugin) ReturnString(v unsafe.Pointer, s string) {
-	p.ReturnBytes(v, []byte(s))
-}
-
-func (p *CurrentPlugin) InputBytes(v unsafe.Pointer) []byte {
-	return p.Memory(ValGetUInt(v))
-}
-
-func (p *CurrentPlugin) InputString(v unsafe.Pointer) string {
-	return string(p.InputBytes(v))
-}
-
-type CancelHandle struct {
-	pointer *C.ExtismCancelHandle
-}
-
-func (p *Plugin) CancelHandle() CancelHandle {
-	pointer := C.extism_plugin_cancel_handle(p.ctx.pointer, C.int(p.id))
-	return CancelHandle{pointer}
-}
-
-func (c *CancelHandle) Cancel() bool {
-	return bool(C.extism_plugin_cancel(c.pointer))
-}

extism.opam

@@ -10,15 +10,13 @@ homepage: "https://github.com/extism/extism"
 doc: "https://github.com/extism/extism"
 bug-reports: "https://github.com/extism/extism/issues"
 depends: [
-  "ocaml" {>= "4.14.1"}
+  "ocaml"
   "dune" {>= "3.2"}
-  "ctypes" {>= "0.18.0"}
-  "ctypes-foreign" {>= "0.18.0"}
-  "bigstringaf" {>= "0.9.0"}
-  "ppx_yojson_conv" {>= "v0.15.0"}
-  "extism-manifest" {= version}
-  "ppx_inline_test" {>= "v0.15.0"}
-  "cmdliner" {>= "1.1.1"}
+  "ctypes-foreign"
+  "bigstringaf"
+  "ppx_yojson_conv"
+  "base64"
+  "ppx_inline_test"
   "odoc" {with-doc}
 ]
 build: [
@@ -36,5 +34,3 @@ build: [
   ]
 ]
 dev-repo: "git+https://github.com/extism/extism.git"
-build-env: [EXTISM_TEST_NO_LIB = ""]
-post-messages: ["See https://extism.org/docs/install/ for information about installing libextism"]

extism.opam.template

@@ -1,2 +0,0 @@
-build-env: [EXTISM_TEST_NO_LIB = ""]
-post-messages: ["See https://extism.org/docs/install/ for information about installing libextism"]

extism_test.go

@@ -4,19 +4,13 @@ import (
 	"encoding/json"
 	"fmt"
 	"testing"
-	"time"
 )
 
-func manifest(functions bool) Manifest {
-	path := "./wasm/code.wasm"
-	if functions {
-		path = "./wasm/code-functions.wasm"
-	}
-
+func manifest() Manifest {
 	return Manifest{
 		Wasm: []Wasm{
 			WasmFile{
-				Path: path,
+				Path: "./wasm/code.wasm",
 			},
 		},
 	}
@@ -44,7 +38,7 @@ func TestCallPlugin(t *testing.T) {
 	ctx := NewContext()
 	defer ctx.Free()
 
-	plugin, err := ctx.PluginFromManifest(manifest(false), []Function{}, false)
+	plugin, err := ctx.PluginFromManifest(manifest(), false)
 	if err != nil {
 		t.Error(err)
 	}
@@ -64,7 +58,7 @@ func TestFreePlugin(t *testing.T) {
 	ctx := NewContext()
 	defer ctx.Free()
 
-	plugin, err := ctx.PluginFromManifest(manifest(false), []Function{}, false)
+	plugin, err := ctx.PluginFromManifest(manifest(), false)
 	if err != nil {
 		t.Error(err)
 	}
@@ -84,7 +78,7 @@ func TestContextReset(t *testing.T) {
 	ctx := NewContext()
 	defer ctx.Free()
 
-	plugin, err := ctx.PluginFromManifest(manifest(false), []Function{}, false)
+	plugin, err := ctx.PluginFromManifest(manifest(), false)
 	if err != nil {
 		t.Error(err)
 	}
@@ -104,7 +98,7 @@ func TestCanUpdateAManifest(t *testing.T) {
 	ctx := NewContext()
 	defer ctx.Free()
 
-	plugin, err := ctx.PluginFromManifest(manifest(false), []Function{}, false)
+	plugin, err := ctx.PluginFromManifest(manifest(), false)
 	if err != nil {
 		t.Error(err)
 	}
@@ -113,7 +107,7 @@ func TestCanUpdateAManifest(t *testing.T) {
 		t.Error(err)
 	}
 
-	plugin.UpdateManifest(manifest(false), []Function{}, false)
+	plugin.UpdateManifest(manifest(), false)
 
 	// can still call the plugin
 	if err := expectVowelCount(plugin, "this is a test", 4); err != nil {
@@ -125,7 +119,7 @@ func TestFunctionExists(t *testing.T) {
 	ctx := NewContext()
 	defer ctx.Free()
 
-	plugin, err := ctx.PluginFromManifest(manifest(false), []Function{}, false)
+	plugin, err := ctx.PluginFromManifest(manifest(), false)
 	if err != nil {
 		t.Error(err)
 	}
@@ -142,7 +136,7 @@ func TestErrorsOnUnknownFunction(t *testing.T) {
 	ctx := NewContext()
 	defer ctx.Free()
 
-	plugin, err := ctx.PluginFromManifest(manifest(false), []Function{}, false)
+	plugin, err := ctx.PluginFromManifest(manifest(), false)
 	if err != nil {
 		t.Error(err)
 	}
@@ -152,33 +146,3 @@ func TestErrorsOnUnknownFunction(t *testing.T) {
 		t.Fatal("Was expecting call to unknown function to fail")
 	}
 }
-
-func TestCancel(t *testing.T) {
-	manifest := Manifest{
-		Wasm: []Wasm{
-			WasmFile{
-				Path: "./wasm/loop.wasm",
-			},
-		},
-	}
-
-	ctx := NewContext()
-	defer ctx.Free()
-
-	plugin, err := ctx.PluginFromManifest(manifest, []Function{}, false)
-	if err != nil {
-		t.Error(err)
-	}
-
-	cancelHandle := plugin.CancelHandle()
-
-	go func(handle CancelHandle) {
-		time.Sleep(time.Second * 1)
-		handle.Cancel()
-	}(cancelHandle)
-
-	_, err = plugin.Call("infinite_loop", []byte(""))
-	if err == nil {
-		t.Fail()
-	}
-}

go/main.go

@@ -4,38 +4,17 @@ import (
 	"encoding/json"
 	"fmt"
 	"os"
-	"runtime/cgo"
-	"unsafe"
 
 	"github.com/extism/extism"
 )
 
-/*
-#include <extism.h>
-EXTISM_GO_FUNCTION(hello_world);
-*/
-import "C"
-
-//export hello_world
-func hello_world(plugin unsafe.Pointer, inputs *C.ExtismVal, nInputs C.ExtismSize, outputs *C.ExtismVal, nOutputs C.ExtismSize, userData uintptr) {
-	fmt.Println("Hello from Go!")
-	s := cgo.Handle(userData)
-	fmt.Println(s.Value().(string))
-	inputSlice := unsafe.Slice(inputs, nInputs)
-	outputSlice := unsafe.Slice(outputs, nOutputs)
-
-	// Get memory pointed to by first element of input slice
-	p := extism.GetCurrentPlugin(plugin)
-	str := p.InputString(unsafe.Pointer(&inputSlice[0]))
-	fmt.Println(str)
-
-	outputSlice[0] = inputSlice[0]
-}
-
 func main() {
 	version := extism.ExtismVersion()
 	fmt.Println("Extism Version: ", version)
 
+	ctx := extism.NewContext()
+	defer ctx.Free() // this will free the context and all associated plugins
+
 	// set some input data to provide to the plugin module
 	var data []byte
 	if len(os.Args) > 1 {
@@ -43,10 +22,9 @@ func main() {
 	} else {
 		data = []byte("testing from go -> wasm shared memory...")
 	}
-	manifest := extism.Manifest{Wasm: []extism.Wasm{extism.WasmFile{Path: "../wasm/code-functions.wasm"}}}
-	f := extism.NewFunction("hello_world", []extism.ValType{extism.I64}, []extism.ValType{extism.I64}, C.hello_world, "Hello again!")
-	defer f.Free()
-	plugin, err := extism.NewPluginFromManifest(manifest, []extism.Function{f}, true)
+
+	manifest := extism.Manifest{Wasm: []extism.Wasm{extism.WasmFile{Path: "../wasm/code.wasm"}}}
+	plugin, err := ctx.PluginFromManifest(manifest, false)
 	if err != nil {
 		fmt.Println(err)
 		os.Exit(1)

haskell/CHANGELOG.md

@@ -1,5 +1,5 @@
 # Revision history for extism
 
-## 0.2.0.0 -- 2023-01-16
+## 0.1.0.0 -- YYYY-mm-dd
 
 * First version. Released on an unsuspecting world.

haskell/Example.hs

@@ -1,24 +1,23 @@
 module Main where
 
+import System.Exit (exitFailure, exitSuccess)
+import qualified Data.ByteString as B
 import Extism
-import Extism.CurrentPlugin
-import Extism.Manifest(manifest, wasmFile)
+import Extism.Manifest
 
-unwrap (Right x) = x
-unwrap (Left (ExtismError msg)) = do
-  error msg
+try f (Right x) = f x
+try f (Left (ErrorMessage msg)) = do
+  _ <- putStrLn msg
+  exitFailure
 
-hello plugin params msg = do
-  putStrLn "Hello from Haskell!"
-  putStrLn msg
-  offs <- allocBytes plugin (toByteString "{\"count\": 999}")
-  return [toI64 offs]
+handlePlugin plugin = do
+  res <- Extism.call plugin "count_vowels" (Extism.toByteString "this is a test")
+  try (\bs -> do
+    _ <- putStrLn (Extism.fromByteString bs)
+    _ <- Extism.free plugin
+    exitSuccess) res
 
 main = do
-  setLogFile "stdout" Error
-  let m = manifest [wasmFile "../wasm/code-functions.wasm"]
-  f <- hostFunction "hello_world" [I64] [I64] hello "Hello, again"
-  plugin <- unwrap <$> createPluginFromManifest m [f] True
-  res <- unwrap <$> call plugin "count_vowels" (toByteString "this is a test")
-  putStrLn (fromByteString res)
-  free plugin
+  context <- Extism.newContext ()
+  plugin <- Extism.pluginFromManifest context (manifest [wasmFile "../wasm/code.wasm"]) False
+  try handlePlugin plugin

haskell/Makefile

@@ -1,33 +0,0 @@
-.PHONY: test
-
-prepare:
-	cabal update
-
-build: prepare
-	cabal build
-
-test: prepare
-	cabal test
-
-clean:
-	cabal clean
-
-publish: clean prepare
-	cabal v2-haddock --haddock-for-hackage ./manifest/extism-manifest.cabal
-	cabal v2-haddock --haddock-for-hackage
-	cabal sdist ./manifest/extism-manifest.cabal
-	cabal sdist
-	# TODO: upload
-
-format:
-	# TODO
-
-lint:
-	cabal check
-	hlint src manifest
-
-docs:
-	# TODO
-
-show-docs: docs
-	# TODO

haskell/cabal.project

@@ -1 +0,0 @@
-packages: extism.cabal manifest/extism-manifest.cabal

haskell/extism.cabal

@@ -1,45 +1,54 @@
-cabal-version:      3.0
+cabal-version:      2.4
 name:               extism
-version:            0.5.0
-license:            BSD-3-Clause
-maintainer:         oss@extism.org
+version:            0.0.1.0
+
+-- A short (one-line) description of the package.
+synopsis: Extism bindings
+
+-- A longer description of the package.
+description: Bindings to Extism, the universal plugin system
+
+-- A URL where users can report bugs.
+bug-reports: https://github.com/extism/extism
+
+-- The license under which the package is released.
+license: BSD-3-Clause
+
 author:             Extism authors
-bug-reports:        https://github.com/extism/extism
-synopsis:           Extism bindings
-description:        Bindings to Extism, the universal plugin system
-category:           Plugins, WebAssembly
-extra-doc-files: CHANGELOG.md
+maintainer:         oss@extism.org
+
+-- A copyright notice.
+-- copyright:
+category: Plugins, WebAssembly
+extra-source-files: CHANGELOG.md
 
 library
-    exposed-modules:    Extism Extism.CurrentPlugin
-    reexported-modules: Extism.Manifest
-    hs-source-dirs:     src
-    other-modules:      Extism.Bindings
-    default-language:   Haskell2010
-    extra-libraries:    extism
-    extra-lib-dirs:     /usr/local/lib
-    build-depends:
-        base              >= 4.16.1 && < 5,
-        bytestring        >= 0.11.3 && <= 0.12,
-        json              >= 0.10 && <= 0.11,
-        extism-manifest   >= 0.0.0 && < 0.4.0
+    exposed-modules: Extism Extism.Manifest
 
-test-suite extism-example
-    type:             exitcode-stdio-1.0
-    main-is:          Example.hs
+    -- Modules included in this library but not exported.
+    other-modules:
+
+    -- LANGUAGE extensions used by modules in this package.
+    -- other-extensions:
+    build-depends:    
+          base ^>=4.16.1.0
+        , bytestring
+        , base64-bytestring
+        , json
+    hs-source-dirs:   src
     default-language: Haskell2010
-    build-depends:
-        base,
-        extism,
-        bytestring
-
-test-suite extism-test
-    type:             exitcode-stdio-1.0
-    main-is:          Test.hs
+    extra-libraries: extism
+    extra-lib-dirs: /usr/local/lib
+    
+Test-Suite extism-example
+    type:       exitcode-stdio-1.0
+    main-is:    Example.hs
+    build-depends: base, extism, bytestring
+    default-language: Haskell2010
+        
+Test-Suite extism-test
+    type:       exitcode-stdio-1.0
+    main-is:    Test.hs
     hs-source-dirs:   test
+    build-depends: base, extism, bytestring, HUnit
     default-language: Haskell2010
-    build-depends:
-        base,
-        extism,
-        bytestring,
-        HUnit

haskell/manifest/CHANGELOG.md

@@ -1,5 +0,0 @@
-# Revision history for extism-manifest
-
-## 0.1.0.0 -- YYYY-mm-dd
-
-* First version. Released on an unsuspecting world.

haskell/manifest/Extism/JSON.hs

@@ -1,60 +0,0 @@
-module Extism.JSON (
-  module Extism.JSON,
-  module Text.JSON
-) where
-
-import Text.JSON
-import qualified Data.ByteString as B
-import Data.ByteString.Internal (c2w, w2c)
-import qualified Data.ByteString.Base64 as B64
-import qualified Data.ByteString.Char8 as BS (unpack)
-
-data Nullable a = Null | NotNull a
-
-makeArray x = JSArray [showJSON a | a <- x]
-isNull JSNull = True
-isNull _ = False
-filterNulls obj = [(a, b) | (a, b) <- obj, not (isNull b)]
-object x = makeObj $ filterNulls x
-objectWithNulls = makeObj
-nonNull = NotNull
-null' = Null
-(.=) a b = (a, showJSON b)
-toNullable (Just x) = NotNull x
-toNullable Nothing = Null
-fromNullable (NotNull x) = Just x
-fromNullable Null = Nothing
-fromNotNull (NotNull x) = x
-fromNotNull Null = error "Value is Null"
-mapNullable f Null = Null
-mapNullable f (NotNull x) = NotNull (f x)
-
-(.?) (JSObject a) k =
-  case valFromObj k a of
-    Ok x -> NotNull x
-    Error _ -> Null
-(.?) _ _ = Null
-(.??) a k = toNullable $ lookup k a
-
-find :: JSON a => String -> JSValue -> Nullable a
-find k obj = obj .? k
-
-update :: JSON a => String -> a -> JSValue -> JSValue
-update k v (JSObject obj) = object $ fromJSObject obj ++ [k .= v]
-
-instance JSON a => JSON (Nullable a) where
-  showJSON (NotNull x) = showJSON x
-  showJSON Null = JSNull
-  readJSON JSNull = Ok Null
-  readJSON x = readJSON x
-
-
-newtype Base64 = Base64 B.ByteString
-
-instance JSON Base64 where
-  showJSON (Base64 bs) = showJSON (BS.unpack $ B64.encode bs)
-  readJSON (JSString s) =
-    let toByteString x = B.pack (Prelude.map c2w x) in
-    case B64.decode (toByteString (fromJSString s)) of
-    Left msg -> Error msg
-    Right d -> Ok (Base64 d)