feat: make wasm works

wasm/main.go

 package main
 
 import (
-	"fmt"
+	"encoding/json"
 	"github.com/antlr/antlr4/runtime/Go/antlr"
 	"github.com/phodal/coca/core/adapter/coca_file"
+	"github.com/phodal/coca/core/domain"
 	"github.com/phodal/coca/core/infrastructure/ast/identifier"
+	"syscall/js"
 )
 
-func main()  {
-	parser := coca_file.ProcessString(`
-package com.phodal.coca.analysis.identifier.model;
+func registerCallbacks() {
+	js.Global().Set("compileCode", js.FuncOf(CompileCodeCallback))
+}
+
+func main() {
+	c := make(chan struct{}, 0)
+	registerCallbacks()
+	<-c
+}
 
-public class DataClass {
-    private String date;
+func CompileCodeCallback(value js.Value, args []js.Value) interface{} {
+	callback := args[len(args)-1:][0]
+	message := args[0].String()
 
-    public String getDate() {
-        return date;
-    }
+	results := CompileCode(message)
+
+	identModel, _ := json.Marshal(results)
+	callback.Invoke(js.Null(), string(identModel))
+	return nil
 }
-`)
+
+func CompileCode(code string) []domain.JIdentifier {
+	parser := coca_file.ProcessString(code)
 	context := parser.CompilationUnit()
 
 	listener := identifier.NewJavaIdentifierListener()
@@ -26,5 +39,5 @@ public class DataClass {
 	antlr.NewParseTreeWalker().Walk(listener, context)
 
 	identifiers := listener.GetNodes()
-	fmt.Println(identifiers)
-}
\ No newline at end of file
+	return identifiers
+}

wasm/web/index.html

@@ -6,6 +6,25 @@
         const go = new Go();
         WebAssembly.instantiateStreaming(fetch("coca.wasm"), go.importObject).then((result) => {
             go.run(result.instance);
+
+            let code = `
+package com.phodal.coca.analysis.identifier.model;
+
+public class DataClass {
+    private String date;
+
+    public String getDate() {
+        return date;
+    }
+}
+`;
+            compileCode(code, (err, message) => {
+                if (err) {
+                    console.error(err);
+                    return;
+                }
+                console.log(message);
+            })
         });
     </script>
 </head>