Use multi-value with interface types

azure-pipelines.yml

@@ -14,7 +14,8 @@ jobs:
           toolchain: nightly
       - template: ci/azure-install-node.yml
       - template: ci/azure-install-geckodriver.yml
-      - template: ci/azure-install-sccache.yml
+      # Temporarily disable sccache because it is failing on CI.
+      # - template: ci/azure-install-sccache.yml
       - script: cargo test
         displayName: "Builds on native"
       - script: cargo test --target wasm32-unknown-unknown
@@ -31,6 +32,8 @@ jobs:
         displayName: "Futures test suite on native"
       - script: cargo test -p wasm-bindgen-futures --target wasm32-unknown-unknown
         displayName: "Futures test suite on wasm"
+      - script: cargo test -p wasm-bindgen-multi-value-xform
+        displayName: "multi-value xform tests on native"
       - script: |
           set -e
           curl https://nodejs.org/download/nightly/v13.0.0-nightly2019081215b2d13310/node-v13.0.0-nightly2019081215b2d13310-linux-x64.tar.xz | tar xJf -
@@ -56,7 +59,8 @@ jobs:
           toolchain: nightly
       - template: ci/azure-install-node.yml
       - template: ci/azure-install-geckodriver.yml
-      - template: ci/azure-install-sccache.yml
+      # Temporarily disable sccache because it is failing on CI.
+      # - template: ci/azure-install-sccache.yml
       - script: cargo test --target wasm32-unknown-unknown
         displayName: "wasm-bindgen test suite"
         env:
@@ -78,14 +82,16 @@ jobs:
         parameters:
           toolchain: nightly
       - template: ci/azure-install-node.yml
-      - template: ci/azure-install-sccache.yml
+      # Temporarily disable sccache because it is failing on CI.
+      # - template: ci/azure-install-sccache.yml
       - script: cargo test --target wasm32-unknown-unknown --features nightly --test wasm
 
   - job: test_cli
     displayName: "Run wasm-bindgen-cli crate tests"
     steps:
       - template: ci/azure-install-rust.yml
-      - template: ci/azure-install-sccache.yml
+      # Temporarily disable sccache because it is failing on CI.
+      # - template: ci/azure-install-sccache.yml
       - script: rustup target add wasm32-unknown-unknown
         displayName: "install wasm target"
       - script: cargo test -p wasm-bindgen-cli-support
@@ -102,7 +108,8 @@ jobs:
           toolchain: nightly
       - template: ci/azure-install-node.yml
       - template: ci/azure-install-geckodriver.yml
-      - template: ci/azure-install-sccache.yml
+      # Temporarily disable sccache because it is failing on CI.
+      # - template: ci/azure-install-sccache.yml
       - script: cargo build --manifest-path crates/web-sys/Cargo.toml --target wasm32-unknown-unknown
       - script: cargo build --manifest-path crates/web-sys/Cargo.toml --target wasm32-unknown-unknown --features Node
       - script: cargo build --manifest-path crates/web-sys/Cargo.toml --target wasm32-unknown-unknown --features Element
@@ -118,7 +125,8 @@ jobs:
           toolchain: nightly
       - template: ci/azure-install-node.yml
       - template: ci/azure-install-geckodriver.yml
-      - template: ci/azure-install-sccache.yml
+      # Temporarily disable sccache because it is failing on CI.
+      # - template: ci/azure-install-sccache.yml
       - script: cargo test -p js-sys --target wasm32-unknown-unknown
 
   - job: test_webidl
@@ -129,7 +137,8 @@ jobs:
         parameters:
           toolchain: nightly
       - template: ci/azure-install-node.yml
-        #- template: ci/azure-install-sccache.yml
+      # Temporarily disable sccache because it is failing on CI.
+      # - template: ci/azure-install-sccache.yml
       - script: cargo test -p wasm-bindgen-webidl
       - script: cargo test -p webidl-tests --target wasm32-unknown-unknown
         env:
@@ -143,19 +152,23 @@ jobs:
         parameters:
           toolchain: nightly
       - template: ci/azure-install-node.yml
-      - template: ci/azure-install-sccache.yml
+      # Temporarily disable sccache because it is failing on CI.
+      # - template: ci/azure-install-sccache.yml
       - script: cargo test -p wasm-bindgen-macro
 
   - job: test_wasm_interpreter
     displayName: "Run wasm-bindgen-wasm-interpreter tests"
     steps:
       - template: ci/azure-install-rust.yml
-      - template: ci/azure-install-sccache.yml
+      # Temporarily disable sccache because it is failing on CI.
+      # - template: ci/azure-install-sccache.yml
       - script: |
           git clone https://github.com/WebAssembly/wabt
           mkdir -p wabt/build
           cd wabt/build
-          cmake .. -DCMAKE_BUILD_TYPE=Release -DBUILD_TESTS=off -DCMAKE_CXX_COMPILER_LAUNCHER=$RUSTC_WRAPPER
+          # Temporarily disable sccache because it is failing on CI.
+          # cmake .. -DCMAKE_BUILD_TYPE=Release -DBUILD_TESTS=off -DCMAKE_CXX_COMPILER_LAUNCHER=$RUSTC_WRAPPER
+          cmake .. -DCMAKE_BUILD_TYPE=Release -DBUILD_TESTS=off
           cmake --build . -- -j$(nproc)
           echo "##vso[task.prependpath]$PWD"
       - script: cargo test -p wasm-bindgen-wasm-interpreter
@@ -164,7 +177,8 @@ jobs:
     displayName: "Test TypeScript output of wasm-bindgen"
     steps:
       - template: ci/azure-install-rust.yml
-      - template: ci/azure-install-sccache.yml
+      # Temporarily disable sccache because it is failing on CI.
+      # - template: ci/azure-install-sccache.yml
       - template: ci/azure-install-node.yml
       - script: cd crates/typescript-tests && ./run.sh
 
@@ -175,7 +189,8 @@ jobs:
         # TODO: switch this back to `stable` when async/await is stable
         parameters:
           toolchain: nightly
-      - template: ci/azure-install-sccache.yml
+      # Temporarily disable sccache because it is failing on CI.
+      # - template: ci/azure-install-sccache.yml
       - template: ci/azure-install-wasm-pack.yml
       - script: mv _package.json package.json && npm install && rm package.json
         displayName: "run npm install"
@@ -197,7 +212,8 @@ jobs:
       - template: ci/azure-install-rust.yml
         parameters:
           toolchain: nightly-2019-08-27
-      - template: ci/azure-install-sccache.yml
+      # Temporarily disable sccache because it is failing on CI.
+      # - template: ci/azure-install-sccache.yml
       - script: rustup component add rust-src
         displayName: "install rust-src"
       - script: cargo install xargo
@@ -220,7 +236,8 @@ jobs:
         # TODO: switch this back to `stable` when async/await is stable
         parameters:
           toolchain: nightly
-      - template: ci/azure-install-sccache.yml
+      # Temporarily disable sccache because it is failing on CI.
+      # - template: ci/azure-install-sccache.yml
       - template: ci/azure-install-wasm-pack.yml
       - script: wasm-pack build --target web benchmarks
         displayName: "build benchmarks"
@@ -235,7 +252,8 @@ jobs:
     displayName: "Dist Linux binary"
     steps:
       - template: ci/azure-install-rust.yml
-      - template: ci/azure-install-sccache.yml
+      # Temporarily disable sccache because it is failing on CI.
+      # - template: ci/azure-install-sccache.yml
       - script: rustup target add x86_64-unknown-linux-musl
       - script: |
           sudo apt update -y
@@ -258,7 +276,8 @@ jobs:
       vmImage: macOS-10.13
     steps:
       - template: ci/azure-install-rust.yml
-      - template: ci/azure-install-sccache.yml
+      # Temporarily disable sccache because it is failing on CI.
+      # - template: ci/azure-install-sccache.yml
       - script: cargo build --manifest-path crates/cli/Cargo.toml --release
         env:
           MACOSX_DEPLOYMENT_TARGET: 10.7
@@ -272,15 +291,17 @@ jobs:
       vmImage: vs2017-win2016
     steps:
       - template: ci/azure-install-rust.yml
-      - template: ci/azure-install-sccache.yml
+      # Temporarily disable sccache because it is failing on CI.
+      # - template: ci/azure-install-sccache.yml
       - script: cargo build --manifest-path crates/cli/Cargo.toml --release
         env:
           RUSTFLAGS: -Ctarget-feature=+crt-static
       - template: ci/azure-create-tarball.yml
         parameters:
           name: dist_windows
-      - script: "%RUSTC_WRAPPER% -s"
-      - script: cat sccache.log
+      # Temporarily disable sccache because it is failing on CI.
+      # - script: "%RUSTC_WRAPPER% -s"
+      # - script: cat sccache.log
 
   - job: doc_book
     displayName: "Doc - build the book"
@@ -306,7 +327,8 @@ jobs:
       # Install rustfmt so we can format the web-sys bindings
       - script: rustup component add rustfmt
         displayName: "Install rustfmt"
-      - template: ci/azure-install-sccache.yml
+      # Temporarily disable sccache because it is failing on CI.
+      # - template: ci/azure-install-sccache.yml
       - script: cargo doc --no-deps --features 'nightly serde-serialize'
         displayName: "Document wasm-bindgen"
       - script: cargo doc --no-deps --manifest-path crates/js-sys/Cargo.toml

crates/anyref-xform/Cargo.toml

@@ -13,4 +13,4 @@ edition = '2018'
 
 [dependencies]
 failure = "0.1"
-walrus = "0.11.0"
+walrus = "0.12.0"

crates/cli-support/Cargo.toml

@@ -18,9 +18,11 @@ log = "0.4"
 rustc-demangle = "0.1.13"
 serde_json = "1.0"
 tempfile = "3.0"
-walrus = "0.11.0"
+walrus = "0.12.0"
 wasm-bindgen-anyref-xform = { path = '../anyref-xform', version = '=0.2.50' }
 wasm-bindgen-shared = { path = "../shared", version = '=0.2.50' }
+wasm-bindgen-multi-value-xform = { path = '../multi-value-xform', version = '=0.2.50' }
 wasm-bindgen-threads-xform = { path = '../threads-xform', version = '=0.2.50' }
+wasm-bindgen-wasm-conventions = { path = '../wasm-conventions', version = '=0.2.50' }
 wasm-bindgen-wasm-interpreter = { path = "../wasm-interpreter", version = '=0.2.50' }
-wasm-webidl-bindings = "0.4.0"
+wasm-webidl-bindings = "0.5.0"

crates/cli-support/src/js/mod.rs

@@ -465,12 +465,10 @@ impl<'a> Context<'a> {
         };
 
         let default_module_path = match self.config.mode {
-            OutputMode::Web => {
-                "\
+            OutputMode::Web => "\
                     if (typeof module === 'undefined') {
                         module = import.meta.url.replace(/\\.js$/, '_bg.wasm');
-                    }"
-            }
+                    }",
             _ => "",
         };
 
@@ -872,21 +870,30 @@ impl<'a> Context<'a> {
 
         match self.config.encode_into {
             EncodeInto::Always if !shared => {
-                self.global(&format!("
+                self.global(&format!(
+                    "
                     const encodeString = {};
-                ", encode_into));
+                ",
+                    encode_into
+                ));
             }
             EncodeInto::Test if !shared => {
-                self.global(&format!("
+                self.global(&format!(
+                    "
                     const encodeString = (typeof cachedTextEncoder.encodeInto === 'function'
                         ? {}
                         : {});
-                ", encode_into, encode));
+                ",
+                    encode_into, encode
+                ));
             }
             _ => {
-                self.global(&format!("
+                self.global(&format!(
+                    "
                     const encodeString = {};
-                ", encode));
+                ",
+                    encode
+                ));
             }
         }
 
@@ -1080,7 +1087,6 @@ impl<'a> Context<'a> {
                 fields: Vec::new(),
             })?;
             self.global(&format!("let cached{} = new {}{};", s, name, args));
-
         } else if !self.config.mode.always_run_in_browser() {
             self.global(&format!(
                 "
@@ -1090,7 +1096,6 @@ impl<'a> Context<'a> {
                 s
             ));
             self.global(&format!("let cached{0} = new l{0}{1};", s, args));
-
         } else {
             self.global(&format!("let cached{0} = new {0}{1};", s, args));
         }