Compose the calculator component

Signed-off-by: Mark Rossett <marosset@microsoft.com>

Author: marosset

.gitignore

@@ -5,8 +5,9 @@
 
 # Ignore wasm modules
 
-**/*.wasm
 **/*.bin
+**/*.wasm
+**/*.wat
 
 # Node dependencies from https://github.com/github/gitignore/blob/main/Node.gitignore
 

Justfile

@@ -9,3 +9,20 @@ build-subtractor:
 
 build-calculator:
   cd components/calculator && cargo component build
+
+build-component: build-adder build-subtractor build-calculator
+  # Virtualize the calculator component
+  wasm-tools print ./components/calculator/target/wasm32-wasip1/debug/calculator.wasm -o calculator.wat
+  sed -i 's/@0.2.3/@0.2.1/g' calculator.wat
+  wasm-tools parse calculator.wat -o calculator.hack.wasm
+  wasi-virt --out calculator.virtualized.wasm calculator.hack.wasm
+  # Virtualize the adder component
+  wasm-tools print ./components/adder/target/wasm32-wasip1/debug/adder.wasm -o adder.wat
+  sed -i 's/@0.2.3/@0.2.1/g' adder.wat
+  wasm-tools parse adder.wat -o adder.hack.wasm
+  wasi-virt --out adder.virtualized.wasm adder.hack.wasm
+  # compose the components
+  wac plug calculator.virtualized.wasm  \
+    --plug ./adder.virtualized.wasm \
+    --plug ./components/subtractor/subtractor.wasm \
+    --output calculator-composed.wasm

README.md

@@ -0,0 +1,8 @@
+## Required tools
+
+- Rust toolchain
+- Node.js
+- wasm-tools
+- wac
+- wasi-virt
+- hyperlight-wasm-aot (needed?)