Bootstrapping parser.

wasm-validation/Cargo.toml → bootstrap/Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "wasm-validation"
+name = "bootstrap"
 version = "0.1.0"
 authors = ["losfair <zhy20000919@hotmail.com>"]
 edition = "2018"
@@ -12,3 +12,7 @@ lto = true
 
 [dependencies]
 wasmparser = "0.29"
+protobuf = "2.4"
+
+[build-dependencies]
+protoc-rust = "2.4"

bootstrap/build.rs

@@ -0,0 +1,14 @@
+extern crate protoc_rust;
+
+use protoc_rust::Customize;
+
+fn main() {
+	protoc_rust::run(protoc_rust::Args {
+	    out_dir: "src/protos",
+	    input: &["protos/module.proto"],
+	    includes: &["protos"],
+	    customize: Customize {
+	      ..Default::default()
+	    },
+	}).expect("protoc");
+}

bootstrap/gen_go.sh

@@ -0,0 +1,22 @@
+#!/bin/sh
+
+cargo build --release --target wasm32-unknown-unknown
+wasm-gc target/wasm32-unknown-unknown/release/wasm_validation.wasm
+WASM_B64=$(base64 < target/wasm32-unknown-unknown/release/bootstrap.wasm)
+VM_B64=$(../life -emit-bc-unsafe -bc-exports get_code_buf,check_and_parse target/wasm32-unknown-unknown/release/bootstrap.wasm | base64)
+cat > wasm.go << EOF
+package bootstrap
+
+import "encoding/base64"
+
+var WASMBytecode = _getCodeFromB64("${WASM_B64}")
+var VMBytecode = _getCodeFromB64("${VM_B64}")
+
+func _getCodeFromB64(input string) []byte {
+    code, err := base64.StdEncoding.DecodeString(input)
+    if err != nil {
+        panic(err)
+    }
+    return code
+}
+EOF