Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 168 insertions, 0 deletions

diff --git a/js/src/vm/CallAndConstruct.cpp b/js/src/vm/CallAndConstruct.cpp
new file mode 100644
index 0000000000..be714e3dd0
--- /dev/null
+++ b/js/src/vm/CallAndConstruct.cpp
@@ -0,0 +1,168 @@
+/* -*- Mode.h: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "js/CallAndConstruct.h"
+
+#include "mozilla/Assertions.h"  // MOZ_ASSERT
+
+#include "jstypes.h"                  // JS_PUBLIC_API
+#include "gc/Zone.h"                  // js::Zone
+#include "js/Context.h"               // AssertHeapIsIdle
+#include "js/friend/ErrorMessages.h"  // JSMSG_*
+#include "js/RootingAPI.h"    // JS::Rooted, JS::Handle, JS::MutableHandle
+#include "js/Value.h"         // JS::Value, JS::*Value
+#include "js/ValueArray.h"    // JS::HandleValueArray
+#include "vm/BytecodeUtil.h"  // JSDVG_IGNORE_STACK
+#include "vm/Interpreter.h"   // js::Call, js::Construct
+#include "vm/JSAtom.h"        // JSAtom, js::Atomize
+#include "vm/JSContext.h"     // JSContext, CHECK_THREAD, ReportValueError
+#include "vm/JSObject.h"      // JSObject
+#include "vm/Stack.h"  // js::InvokeArgs, js::FillArgumentsFromArraylike, js::ConstructArgs
+
+#include "vm/JSContext-inl.h"         // JSContext::check
+#include "vm/JSObject-inl.h"          // js::IsConstructor
+#include "vm/ObjectOperations-inl.h"  // js::GetProperty
+
+using namespace js;
+
+JS_PUBLIC_API bool JS::IsCallable(JSObject* obj) { return obj->isCallable(); }
+
+JS_PUBLIC_API bool JS::IsConstructor(JSObject* obj) {
+  return obj->isConstructor();
+}
+
+JS_PUBLIC_API bool JS_CallFunctionValue(JSContext* cx,
+                                        JS::Handle<JSObject*> obj,
+                                        JS::Handle<JS::Value> fval,
+                                        const JS::HandleValueArray& args,
+                                        JS::MutableHandle<JS::Value> rval) {
+  MOZ_ASSERT(!cx->zone()->isAtomsZone());
+  AssertHeapIsIdle();
+  CHECK_THREAD(cx);
+  cx->check(obj, fval, args);
+
+  js::InvokeArgs iargs(cx);
+  if (!FillArgumentsFromArraylike(cx, iargs, args)) {
+    return false;
+  }
+
+  JS::Rooted<JS::Value> thisv(cx, JS::ObjectOrNullValue(obj));
+  return js::Call(cx, fval, thisv, iargs, rval);
+}
+
+JS_PUBLIC_API bool JS_CallFunction(JSContext* cx, JS::Handle<JSObject*> obj,
+                                   JS::Handle<JSFunction*> fun,
+                                   const JS::HandleValueArray& args,
+                                   JS::MutableHandle<JS::Value> rval) {
+  MOZ_ASSERT(!cx->zone()->isAtomsZone());
+  AssertHeapIsIdle();
+  CHECK_THREAD(cx);
+  cx->check(obj, fun, args);
+
+  js::InvokeArgs iargs(cx);
+  if (!FillArgumentsFromArraylike(cx, iargs, args)) {
+    return false;
+  }
+
+  JS::Rooted<JS::Value> fval(cx, JS::ObjectValue(*fun));
+  JS::Rooted<JS::Value> thisv(cx, JS::ObjectOrNullValue(obj));
+  return js::Call(cx, fval, thisv, iargs, rval);
+}
+
+JS_PUBLIC_API bool JS_CallFunctionName(JSContext* cx, JS::Handle<JSObject*> obj,
+                                       const char* name,
+                                       const JS::HandleValueArray& args,
+                                       JS::MutableHandle<JS::Value> rval) {
+  MOZ_ASSERT(!cx->zone()->isAtomsZone());
+  AssertHeapIsIdle();
+  CHECK_THREAD(cx);
+  cx->check(obj, args);
+
+  JSAtom* atom = Atomize(cx, name, strlen(name));
+  if (!atom) {
+    return false;
+  }
+
+  JS::Rooted<JS::Value> fval(cx);
+  JS::Rooted<jsid> id(cx, AtomToId(atom));
+  if (!GetProperty(cx, obj, obj, id, &fval)) {
+    return false;
+  }
+
+  js::InvokeArgs iargs(cx);
+  if (!FillArgumentsFromArraylike(cx, iargs, args)) {
+    return false;
+  }
+
+  JS::Rooted<JS::Value> thisv(cx, JS::ObjectOrNullValue(obj));
+  return js::Call(cx, fval, thisv, iargs, rval);
+}
+
+JS_PUBLIC_API bool JS::Call(JSContext* cx, JS::Handle<JS::Value> thisv,
+                            JS::Handle<JS::Value> fval,
+                            const JS::HandleValueArray& args,
+                            JS::MutableHandle<JS::Value> rval) {
+  AssertHeapIsIdle();
+  CHECK_THREAD(cx);
+  cx->check(thisv, fval, args);
+
+  js::InvokeArgs iargs(cx);
+  if (!FillArgumentsFromArraylike(cx, iargs, args)) {
+    return false;
+  }
+
+  return js::Call(cx, fval, thisv, iargs, rval);
+}
+
+JS_PUBLIC_API bool JS::Construct(JSContext* cx, JS::Handle<JS::Value> fval,
+                                 JS::Handle<JSObject*> newTarget,
+                                 const JS::HandleValueArray& args,
+                                 JS::MutableHandle<JSObject*> objp) {
+  AssertHeapIsIdle();
+  CHECK_THREAD(cx);
+  cx->check(fval, newTarget, args);
+
+  if (!js::IsConstructor(fval)) {
+    ReportValueError(cx, JSMSG_NOT_CONSTRUCTOR, JSDVG_IGNORE_STACK, fval,
+                     nullptr);
+    return false;
+  }
+
+  JS::Rooted<JS::Value> newTargetVal(cx, JS::ObjectValue(*newTarget));
+  if (!js::IsConstructor(newTargetVal)) {
+    ReportValueError(cx, JSMSG_NOT_CONSTRUCTOR, JSDVG_IGNORE_STACK,
+                     newTargetVal, nullptr);
+    return false;
+  }
+
+  js::ConstructArgs cargs(cx);
+  if (!FillArgumentsFromArraylike(cx, cargs, args)) {
+    return false;
+  }
+
+  return js::Construct(cx, fval, cargs, newTargetVal, objp);
+}
+
+JS_PUBLIC_API bool JS::Construct(JSContext* cx, JS::Handle<JS::Value> fval,
+                                 const JS::HandleValueArray& args,
+                                 JS::MutableHandle<JSObject*> objp) {
+  AssertHeapIsIdle();
+  CHECK_THREAD(cx);
+  cx->check(fval, args);
+
+  if (!js::IsConstructor(fval)) {
+    ReportValueError(cx, JSMSG_NOT_CONSTRUCTOR, JSDVG_IGNORE_STACK, fval,
+                     nullptr);
+    return false;
+  }
+
+  js::ConstructArgs cargs(cx);
+  if (!FillArgumentsFromArraylike(cx, cargs, args)) {
+    return false;
+  }
+
+  return js::Construct(cx, fval, cargs, fval, objp);
+}