[WASM] Remove WasmImport annotation

compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/compiler.kt

@@ -110,33 +110,10 @@ fun WasmCompiledModuleFragment.generateJs(): String {
     var wasmInstance = null;
     
     const externrefBoxes = new WeakMap();
-    
-    const runtime = {
-        identity(x) {
-            return x;
-        },
-
-        println(valueAddr) {
-            console.log(">>>  " + importStringFromWasm(valueAddr));
-        },
-        
-        printError(valueAddr) {
-            console.error(">>>  " + importStringFromWasm(valueAddr));
-        },
-    };
-    
-    function importStringFromWasm(addr) {
-        const mem16 = new Uint16Array(wasmInstance.exports.memory.buffer);
-        const mem32 = new Int32Array(wasmInstance.exports.memory.buffer);
-        const len = mem32[addr / 4];
-        const str_start_addr = (addr + 4) / 2;
-        const slice = mem16.slice(str_start_addr, str_start_addr + len);
-        return String.fromCharCode.apply(null, slice);
-    }
     """.trimIndent()
 
-    val jsCode =
-        "\nconst js_code = {${jsFuns.joinToString(",\n") { "\"" + it.importName + "\" : " + it.jsCode }}};"
+    val jsFuns = jsFuns.joinToString(",\n") { "\"" + it.importName + "\" : " + it.jsCode }
+    val jsCode = "\nconst js_code = {$jsFuns};"
 
     return runtime + jsCode
 }

compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/ir2wasm/DeclarationGenerator.kt

@@ -65,15 +65,12 @@ class DeclarationGenerator(val context: WasmModuleCodegenContext, private val al
         }
 
         val jsCode = declaration.getJsFunAnnotation() ?: if (declaration.isExternal) declaration.name.asString() else null
-        val importedName = if (jsCode != null) {
+        val importedName = jsCode?.let {
             val jsCodeName = jsCodeName(declaration)
-            context.addJsFun(jsCodeName, jsCode)
+            context.addJsFun(jsCodeName, it)
             WasmImportPair("js_code", jsCodeName(declaration))
-        } else {
-            declaration.getWasmImportAnnotation()
         }
 
-
         if (declaration.isFakeOverride)
             return
 

compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/utils/Annotations.kt

@@ -29,15 +29,6 @@ fun IrAnnotationContainer.hasWasmNoOpCastAnnotation(): Boolean =
 fun IrAnnotationContainer.hasWasmAutoboxedAnnotation(): Boolean =
     hasAnnotation(FqName("kotlin.wasm.internal.WasmAutoboxed"))
 
-fun IrAnnotationContainer.getWasmImportAnnotation(): WasmImportPair? =
-    getAnnotation(FqName("kotlin.wasm.internal.WasmImport"))?.let {
-        WasmImportPair(
-            (it.getValueArgument(0) as IrConst<*>).value as String,
-            (it.getValueArgument(1) as IrConst<*>).value as String
-        )
-    }
-
-
 class WasmArrayInfo(val klass: IrClass, val isNullable: Boolean) {
     val type = klass.defaultType.let { if (isNullable) it.makeNullable() else it }
 }