Wasm build pipeline

1 files changed, 42 insertions, 0 deletions

diff --git a/inter/main.go b/inter/main.go
new file mode 100644
index 0000000..e0dd0a7
--- /dev/null
+++ b/inter/main.go
@@ -0,0 +1,42 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"os"
+
+	"github.com/tetratelabs/wazero"
+	"github.com/tetratelabs/wazero/imports/wasi_snapshot_preview1"
+)
+
+const wasmLocation = "../hello.wasm"
+
+func main() {
+	var ctx = context.Background()
+
+	var runtime = wazero.NewRuntime(ctx)
+	defer runtime.Close(ctx)
+
+	wasi_snapshot_preview1.MustInstantiate(ctx, runtime)
+
+	var wasm, wasmErr = LoadWasm()
+	if wasmErr != nil {
+		panic(fmt.Sprintf("Failed to load WASM module: %s", wasmErr.Error()))
+	}
+
+	var mod, modErr = runtime.Instantiate(ctx, wasm)
+	if modErr != nil {
+		panic(fmt.Sprintf("Failed to instantiate WASM module: %s", modErr.Error()))
+	}
+
+	var add = mod.ExportedFunction("Add")
+	var result, callErr = add.Call(ctx, 25, 25)
+	if callErr != nil {
+		panic(fmt.Sprintf("Failed to call WASM finction: %s", callErr.Error()))
+	}
+	fmt.Printf("Addition result: %v\n", result[0])
+}
+
+func LoadWasm() ([]byte, error) {
+	return os.ReadFile(wasmLocation)
+}