Move all examples to a top-level directory

.github/workflows/main.yml

@@ -184,9 +184,10 @@ jobs:
         Get-Command clang.exe
         clang.exe --version
 
-    # Install wasm32-wasi target in order to build wasi-common's integration
-    # tests
+    # Install wasm32 targets in order to build various tests throughout the
+    # repo
     - run: rustup target add wasm32-wasi
+    - run: rustup target add wasm32-unknown-unknown
 
     - run: cargo fetch --locked
     - run: cargo fetch --locked --manifest-path crates/test-programs/wasi-tests/Cargo.toml
@@ -197,6 +198,9 @@ jobs:
     - run: cargo build --manifest-path crates/api/Cargo.toml --features lightbeam
       if: matrix.rust == 'nightly'
 
+    # Ensure all our examples build and execute
+    - run: cargo run -p run-examples
+
     # Build and test all features except for lightbeam
     - run: cargo test --features test_programs --all --exclude lightbeam --exclude wasmtime-c-api -- --nocapture
       env:
@@ -205,7 +209,7 @@ jobs:
 
     # Test debug (DWARF) related functionality.
     - run: cargo test test_debug_dwarf_ -- --ignored --nocapture --test-threads 1
-      if: matrix.os == 'ubuntu-latest' 
+      if: matrix.os == 'ubuntu-latest'
       env:
         RUST_BACKTRACE: 1
         RUSTFLAGS: "-D warnings"

.gitmodules

@@ -2,7 +2,7 @@
 	path = tests/spec_testsuite
 	url = https://github.com/WebAssembly/testsuite
 [submodule "crates/c-api/examples/wasm-c-api"]
-	path = crates/c-api/examples/wasm-c-api
+	path = crates/c-api/wasm-c-api
 	url = https://github.com/WebAssembly/wasm-c-api
 [submodule "crates/wasi-common/WASI"]
 	path = crates/wasi-common/wig/WASI

Cargo.toml

@@ -63,12 +63,14 @@ opt-level = 0
 [workspace]
 members = [
   "cranelift",
+  "crates/c-api",
   "crates/fuzzing",
-  "crates/misc/rust",
   "crates/misc/py",
-  "crates/c-api",
-  "fuzz",
+  "crates/misc/run-examples",
+  "crates/misc/rust",
   "crates/wiggle",
+  "examples/fib-debug/wasm",
+  "fuzz",
 ]
 
 [features]

ci/build-tarballs.sh

@@ -48,7 +48,7 @@ mkdir tmp/$api_pkgname/lib
 mkdir tmp/$api_pkgname/include
 cp LICENSE README.md tmp/$api_pkgname
 mv bins-$src/* tmp/$api_pkgname/lib
-cp crates/c-api/examples/wasm-c-api/include/wasm.h tmp/$api_pkgname/include
+cp crates/c-api/wasm-c-api/include/wasm.h tmp/$api_pkgname/include
 cp crates/c-api/include/{wasmtime,wasi}.h tmp/$api_pkgname/include
 mktarball $api_pkgname