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-rw-r--r--Libraries/LibJS/AST.cpp6
-rw-r--r--Libraries/LibJS/Forward.h1
-rw-r--r--Libraries/LibJS/Heap/Heap.cpp20
-rw-r--r--Libraries/LibJS/Heap/Heap.h5
-rw-r--r--Libraries/LibJS/Interpreter.cpp6
-rw-r--r--Libraries/LibJS/Interpreter.h3
-rw-r--r--Libraries/LibJS/Makefile1
-rw-r--r--Libraries/LibJS/Runtime/ArrayPrototype.cpp20
-rw-r--r--Libraries/LibJS/Runtime/FunctionPrototype.cpp9
-rw-r--r--Libraries/LibJS/Runtime/MarkedValueList.cpp55
-rw-r--r--Libraries/LibJS/Runtime/MarkedValueList.h58
-rw-r--r--Libraries/LibWeb/DOM/Node.cpp5
-rw-r--r--Libraries/LibWeb/DOM/XMLHttpRequest.cpp5
13 files changed, 178 insertions, 16 deletions
diff --git a/Libraries/LibJS/AST.cpp b/Libraries/LibJS/AST.cpp
index 6a254a78df..87989e47bf 100644
--- a/Libraries/LibJS/AST.cpp
+++ b/Libraries/LibJS/AST.cpp
@@ -33,6 +33,7 @@
#include <LibJS/Runtime/Array.h>
#include <LibJS/Runtime/Error.h>
#include <LibJS/Runtime/GlobalObject.h>
+#include <LibJS/Runtime/MarkedValueList.h>
#include <LibJS/Runtime/NativeFunction.h>
#include <LibJS/Runtime/PrimitiveString.h>
#include <LibJS/Runtime/ScriptFunction.h>
@@ -112,8 +113,7 @@ Value CallExpression::execute(Interpreter& interpreter) const
auto& function = static_cast<Function&>(callee.as_object());
- Vector<Value> arguments;
- arguments.ensure_capacity(m_arguments.size());
+ MarkedValueList arguments(interpreter.heap());
for (size_t i = 0; i < m_arguments.size(); ++i) {
auto value = m_arguments[i].execute(interpreter);
if (interpreter.exception())
@@ -125,7 +125,7 @@ Value CallExpression::execute(Interpreter& interpreter) const
auto& call_frame = interpreter.push_call_frame();
call_frame.function_name = function.name();
- call_frame.arguments = move(arguments);
+ call_frame.arguments = arguments.values();
call_frame.environment = function.create_environment();
Object* new_object = nullptr;
diff --git a/Libraries/LibJS/Forward.h b/Libraries/LibJS/Forward.h
index dccf3347ca..abf94639f9 100644
--- a/Libraries/LibJS/Forward.h
+++ b/Libraries/LibJS/Forward.h
@@ -63,6 +63,7 @@ class Heap;
class HeapBlock;
class Interpreter;
class LexicalEnvironment;
+class MarkedValueList;
class PrimitiveString;
class ScopeNode;
class Shape;
diff --git a/Libraries/LibJS/Heap/Heap.cpp b/Libraries/LibJS/Heap/Heap.cpp
index 0bb47f0d6b..c36a43e7cf 100644
--- a/Libraries/LibJS/Heap/Heap.cpp
+++ b/Libraries/LibJS/Heap/Heap.cpp
@@ -30,6 +30,7 @@
#include <LibJS/Heap/Heap.h>
#include <LibJS/Heap/HeapBlock.h>
#include <LibJS/Interpreter.h>
+#include <LibJS/Runtime/MarkedValueList.h>
#include <LibJS/Runtime/Object.h>
#include <setjmp.h>
#include <stdio.h>
@@ -104,6 +105,13 @@ void Heap::gather_roots(HashTable<Cell*>& roots)
for (auto* handle : m_handles)
roots.set(handle->cell());
+ for (auto* list : m_marked_value_lists) {
+ for (auto& value : list->values()) {
+ if (value.is_cell())
+ roots.set(value.as_cell());
+ }
+ }
+
#ifdef HEAP_DEBUG
dbg() << "gather_roots:";
for (auto* root : roots) {
@@ -266,6 +274,18 @@ void Heap::did_destroy_handle(Badge<HandleImpl>, HandleImpl& impl)
m_handles.remove(&impl);
}
+void Heap::did_create_marked_value_list(Badge<MarkedValueList>, MarkedValueList& list)
+{
+ ASSERT(!m_marked_value_lists.contains(&list));
+ m_marked_value_lists.set(&list);
+}
+
+void Heap::did_destroy_marked_value_list(Badge<MarkedValueList>, MarkedValueList& list)
+{
+ ASSERT(m_marked_value_lists.contains(&list));
+ m_marked_value_lists.remove(&list);
+}
+
void Heap::defer_gc(Badge<DeferGC>)
{
++m_gc_deferrals;
diff --git a/Libraries/LibJS/Heap/Heap.h b/Libraries/LibJS/Heap/Heap.h
index 5504472107..6544021b5a 100644
--- a/Libraries/LibJS/Heap/Heap.h
+++ b/Libraries/LibJS/Heap/Heap.h
@@ -68,6 +68,9 @@ public:
void did_create_handle(Badge<HandleImpl>, HandleImpl&);
void did_destroy_handle(Badge<HandleImpl>, HandleImpl&);
+ void did_create_marked_value_list(Badge<MarkedValueList>, MarkedValueList&);
+ void did_destroy_marked_value_list(Badge<MarkedValueList>, MarkedValueList&);
+
void defer_gc(Badge<DeferGC>);
void undefer_gc(Badge<DeferGC>);
@@ -90,6 +93,8 @@ private:
Vector<NonnullOwnPtr<HeapBlock>> m_blocks;
HashTable<HandleImpl*> m_handles;
+ HashTable<MarkedValueList*> m_marked_value_lists;
+
size_t m_gc_deferrals { 0 };
bool m_should_gc_when_deferral_ends { false };
};
diff --git a/Libraries/LibJS/Interpreter.cpp b/Libraries/LibJS/Interpreter.cpp
index 24fdb5f49d..3dcc3ec250 100644
--- a/Libraries/LibJS/Interpreter.cpp
+++ b/Libraries/LibJS/Interpreter.cpp
@@ -30,6 +30,7 @@
#include <LibJS/Runtime/Error.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/LexicalEnvironment.h>
+#include <LibJS/Runtime/MarkedValueList.h>
#include <LibJS/Runtime/NativeFunction.h>
#include <LibJS/Runtime/Object.h>
#include <LibJS/Runtime/Shape.h>
@@ -177,12 +178,13 @@ void Interpreter::gather_roots(Badge<Heap>, HashTable<Cell*>& roots)
}
}
-Value Interpreter::call(Function* function, Value this_value, const Vector<Value>& arguments)
+Value Interpreter::call(Function* function, Value this_value, Optional<MarkedValueList> arguments)
{
auto& call_frame = push_call_frame();
call_frame.function_name = function->name();
call_frame.this_value = this_value;
- call_frame.arguments = arguments;
+ if (arguments.has_value())
+ call_frame.arguments = arguments.value().values();
call_frame.environment = function->create_environment();
auto result = function->call(*this);
pop_call_frame();
diff --git a/Libraries/LibJS/Interpreter.h b/Libraries/LibJS/Interpreter.h
index a6f54d97aa..9b32334df8 100644
--- a/Libraries/LibJS/Interpreter.h
+++ b/Libraries/LibJS/Interpreter.h
@@ -34,6 +34,7 @@
#include <LibJS/Heap/Heap.h>
#include <LibJS/Runtime/Exception.h>
#include <LibJS/Runtime/LexicalEnvironment.h>
+#include <LibJS/Runtime/MarkedValueList.h>
#include <LibJS/Runtime/Value.h>
namespace JS {
@@ -100,7 +101,7 @@ public:
void enter_scope(const ScopeNode&, ArgumentVector, ScopeType);
void exit_scope(const ScopeNode&);
- Value call(Function*, Value this_value = {}, const Vector<Value>& arguments = {});
+ Value call(Function*, Value this_value = {}, Optional<MarkedValueList> arguments = {});
CallFrame& push_call_frame()
{
diff --git a/Libraries/LibJS/Makefile b/Libraries/LibJS/Makefile
index 3e924b8dac..686110098c 100644
--- a/Libraries/LibJS/Makefile
+++ b/Libraries/LibJS/Makefile
@@ -27,6 +27,7 @@ OBJS = \
Runtime/GlobalObject.o \
Runtime/LexicalEnvironment.o \
Runtime/MathObject.o \
+ Runtime/MarkedValueList.o \
Runtime/NativeFunction.o \
Runtime/NativeProperty.o \
Runtime/NumberConstructor.o \
diff --git a/Libraries/LibJS/Runtime/ArrayPrototype.cpp b/Libraries/LibJS/Runtime/ArrayPrototype.cpp
index d59c939128..fc38b71acb 100644
--- a/Libraries/LibJS/Runtime/ArrayPrototype.cpp
+++ b/Libraries/LibJS/Runtime/ArrayPrototype.cpp
@@ -34,6 +34,7 @@
#include <LibJS/Runtime/Error.h>
#include <LibJS/Runtime/Function.h>
#include <LibJS/Runtime/GlobalObject.h>
+#include <LibJS/Runtime/MarkedValueList.h>
#include <LibJS/Runtime/Value.h>
namespace JS {
@@ -96,13 +97,18 @@ Value ArrayPrototype::filter(Interpreter& interpreter)
auto this_value = interpreter.argument(1);
auto initial_array_size = array->elements().size();
auto* new_array = Array::create(interpreter.global_object());
+
for (size_t i = 0; i < initial_array_size; ++i) {
if (i >= array->elements().size())
break;
auto value = array->elements()[i];
if (value.is_empty())
continue;
- auto result = interpreter.call(callback, this_value, { value, Value((i32)i), array });
+ MarkedValueList arguments(interpreter.heap());
+ arguments.append(value);
+ arguments.append(Value((i32)i));
+ arguments.append(array);
+ auto result = interpreter.call(callback, this_value, move(arguments));
if (interpreter.exception())
return {};
if (result.to_boolean())
@@ -127,7 +133,11 @@ Value ArrayPrototype::for_each(Interpreter& interpreter)
auto value = array->elements()[i];
if (value.is_empty())
continue;
- interpreter.call(callback, this_value, { value, Value((i32)i), array });
+ MarkedValueList arguments(interpreter.heap());
+ arguments.append(value);
+ arguments.append(Value((i32)i));
+ arguments.append(array);
+ interpreter.call(callback, this_value, move(arguments));
if (interpreter.exception())
return {};
}
@@ -151,7 +161,11 @@ Value ArrayPrototype::map(Interpreter& interpreter)
auto value = array->elements()[i];
if (value.is_empty())
continue;
- auto result = interpreter.call(callback, this_value, { value, Value((i32)i), array });
+ MarkedValueList arguments(interpreter.heap());
+ arguments.append(value);
+ arguments.append(Value((i32)i));
+ arguments.append(array);
+ auto result = interpreter.call(callback, this_value, move(arguments));
if (interpreter.exception())
return {};
new_array->elements().append(result);
diff --git a/Libraries/LibJS/Runtime/FunctionPrototype.cpp b/Libraries/LibJS/Runtime/FunctionPrototype.cpp
index 69a6c24934..7b44c4e2e1 100644
--- a/Libraries/LibJS/Runtime/FunctionPrototype.cpp
+++ b/Libraries/LibJS/Runtime/FunctionPrototype.cpp
@@ -32,6 +32,7 @@
#include <LibJS/Runtime/Function.h>
#include <LibJS/Runtime/FunctionPrototype.h>
#include <LibJS/Runtime/GlobalObject.h>
+#include <LibJS/Runtime/MarkedValueList.h>
#include <LibJS/Runtime/ScriptFunction.h>
namespace JS {
@@ -72,10 +73,10 @@ Value FunctionPrototype::apply(Interpreter& interpreter)
auto length_property = arg_array.as_object().get("length");
if (length_property.has_value())
length = length_property.value().to_number().to_i32();
- Vector<Value> arguments;
+ MarkedValueList arguments(interpreter.heap());
for (size_t i = 0; i < length; ++i)
arguments.append(arg_array.as_object().get(String::number(i)).value_or(js_undefined()));
- return interpreter.call(function, this_arg, arguments);
+ return interpreter.call(function, this_arg, move(arguments));
}
Value FunctionPrototype::bind(Interpreter& interpreter)
@@ -96,12 +97,12 @@ Value FunctionPrototype::call(Interpreter& interpreter)
return interpreter.throw_exception<TypeError>("Not a Function object");
auto function = static_cast<Function*>(this_object);
auto this_arg = interpreter.argument(0);
- Vector<Value> arguments;
+ MarkedValueList arguments(interpreter.heap());
if (interpreter.argument_count() > 1) {
for (size_t i = 1; i < interpreter.argument_count(); ++i)
arguments.append(interpreter.argument(i));
}
- return interpreter.call(function, this_arg, arguments);
+ return interpreter.call(function, this_arg, move(arguments));
}
Value FunctionPrototype::to_string(Interpreter& interpreter)
diff --git a/Libraries/LibJS/Runtime/MarkedValueList.cpp b/Libraries/LibJS/Runtime/MarkedValueList.cpp
new file mode 100644
index 0000000000..5980ed84bc
--- /dev/null
+++ b/Libraries/LibJS/Runtime/MarkedValueList.cpp
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <LibJS/Heap/Heap.h>
+#include <LibJS/Runtime/MarkedValueList.h>
+
+namespace JS {
+
+MarkedValueList::MarkedValueList(Heap& heap)
+ : m_heap(heap)
+{
+ m_heap.did_create_marked_value_list({}, *this);
+}
+
+MarkedValueList:: MarkedValueList(MarkedValueList&& other)
+ : m_heap(other.m_heap)
+ , m_values(move(other.m_values))
+{
+ m_heap.did_create_marked_value_list({}, *this);
+}
+
+MarkedValueList::~MarkedValueList()
+{
+ m_heap.did_destroy_marked_value_list({}, *this);
+}
+
+void MarkedValueList::append(Value value)
+{
+ m_values.append(value);
+}
+
+}
diff --git a/Libraries/LibJS/Runtime/MarkedValueList.h b/Libraries/LibJS/Runtime/MarkedValueList.h
new file mode 100644
index 0000000000..d9c262ed65
--- /dev/null
+++ b/Libraries/LibJS/Runtime/MarkedValueList.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <AK/Noncopyable.h>
+#include <AK/Vector.h>
+#include <LibJS/Forward.h>
+#include <LibJS/Runtime/Value.h>
+
+namespace JS {
+
+class MarkedValueList {
+ AK_MAKE_NONCOPYABLE(MarkedValueList);
+
+public:
+ explicit MarkedValueList(Heap&);
+ MarkedValueList(MarkedValueList&&);
+ ~MarkedValueList();
+
+ MarkedValueList& operator=(MarkedValueList&&) = delete;
+
+ bool is_empty() const { return m_values.is_empty(); }
+ size_t size() const { return m_values.size(); }
+ void clear() { m_values.clear(); }
+ Vector<Value, 32>& values() { return m_values; }
+
+ void append(Value);
+
+private:
+ Heap& m_heap;
+ Vector<Value, 32> m_values;
+};
+
+}
diff --git a/Libraries/LibWeb/DOM/Node.cpp b/Libraries/LibWeb/DOM/Node.cpp
index 97120bb380..b8c1636380 100644
--- a/Libraries/LibWeb/DOM/Node.cpp
+++ b/Libraries/LibWeb/DOM/Node.cpp
@@ -28,6 +28,7 @@
#include <LibJS/AST.h>
#include <LibJS/Interpreter.h>
#include <LibJS/Runtime/Function.h>
+#include <LibJS/Runtime/MarkedValueList.h>
#include <LibJS/Runtime/ScriptFunction.h>
#include <LibWeb/Bindings/EventWrapper.h>
#include <LibWeb/Bindings/NodeWrapper.h>
@@ -142,7 +143,9 @@ void Node::dispatch_event(NonnullRefPtr<Event> event)
dbg() << "calling event listener with this=" << this_value;
#endif
auto* event_wrapper = wrap(function->heap(), *event);
- document().interpreter().call(function, this_value, { event_wrapper });
+ JS::MarkedValueList arguments(function->heap());
+ arguments.append(event_wrapper);
+ document().interpreter().call(function, this_value, move(arguments));
}
}
diff --git a/Libraries/LibWeb/DOM/XMLHttpRequest.cpp b/Libraries/LibWeb/DOM/XMLHttpRequest.cpp
index 82caf5b71b..757ce79bb3 100644
--- a/Libraries/LibWeb/DOM/XMLHttpRequest.cpp
+++ b/Libraries/LibWeb/DOM/XMLHttpRequest.cpp
@@ -83,8 +83,9 @@ void XMLHttpRequest::dispatch_event(NonnullRefPtr<Event> event)
if (listener.event_name == event->name()) {
auto* function = const_cast<EventListener&>(*listener.listener).function();
auto* this_value = wrap(function->heap(), *this);
- auto* event_wrapper = wrap(function->heap(), *event);
- function->interpreter().call(function, this_value, { event_wrapper });
+ JS::MarkedValueList arguments(function->heap());
+ arguments.append(wrap(function->heap(), *event));
+ function->interpreter().call(function, this_value, move(arguments));
}
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 22:01:23 +0000