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Unified Diff: src/builtins.cc

Issue 1895603002: [esnext] prototype runtime implementation for async functions (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@AsyncFunction
Patch Set: remove weird arrow-generator thing Created 4 years, 7 months ago
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Index: src/builtins.cc
diff --git a/src/builtins.cc b/src/builtins.cc
index 7609de8aaffc160d37535d2ce5c8e59f556f5342..03305dd5c92bd3dab16804a0780bdb78b30cd54f 100644
--- a/src/builtins.cc
+++ b/src/builtins.cc
@@ -2478,6 +2478,17 @@ void Builtins::Generate_GeneratorPrototypeThrow(CodeStubAssembler* assembler) {
"[Generator].prototype.throw");
}
+void Builtins::Generate_AsyncFunctionNext(CodeStubAssembler* assembler) {
+ Generate_GeneratorPrototypeResume(assembler, JSGeneratorObject::kNext,
+ "AsyncFunctionNext");
+}
+
+// ES6 section 25.3.1.4 Generator.prototype.throw ( exception )
+void Builtins::Generate_AsyncFunctionThrow(CodeStubAssembler* assembler) {
+ Generate_GeneratorPrototypeResume(assembler, JSGeneratorObject::kThrow,
+ "AsyncFunctionThrow");
+}
+
// -----------------------------------------------------------------------------
// ES6 section 26.1 The Reflect Object
@@ -4203,6 +4214,13 @@ BUILTIN(GeneratorFunctionConstructor) {
return *result;
}
+BUILTIN(AsyncFunctionConstructor) {
+ HandleScope scope(isolate);
+ Handle<JSFunction> result;
+ ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+ isolate, result, CreateDynamicFunction(isolate, args, "async function"));
+ return *result;
+}
// ES6 section 19.4.1.1 Symbol ( [ description ] ) for the [[Call]] case.
BUILTIN(SymbolConstructor) {
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