mirror of
https://github.com/LadybirdBrowser/ladybird.git
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be09893fa7
We don't need nanosecond precision here anyways, as we only display millisecond resolution. This uses our simple duration formatter from AK, which is updated to accept a Duration here. This method did not have any users after the move from Serenity.
901 lines
32 KiB
C++
901 lines
32 KiB
C++
/*
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* Copyright (c) 2020, Emanuele Torre <torreemanuele6@gmail.com>
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* Copyright (c) 2020-2023, Linus Groh <linusg@serenityos.org>
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* Copyright (c) 2021-2022, Sam Atkins <atkinssj@serenityos.org>
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* Copyright (c) 2024, Gasim Gasimzada <gasim@gasimzada.net>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/MemoryStream.h>
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#include <AK/NumberFormat.h>
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#include <AK/StringBuilder.h>
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#include <LibJS/Console.h>
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#include <LibJS/Print.h>
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#include <LibJS/Runtime/AbstractOperations.h>
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#include <LibJS/Runtime/Array.h>
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#include <LibJS/Runtime/Completion.h>
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#include <LibJS/Runtime/StringConstructor.h>
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#include <LibJS/Runtime/ValueInlines.h>
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namespace JS {
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GC_DEFINE_ALLOCATOR(Console);
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GC_DEFINE_ALLOCATOR(ConsoleClient);
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Console::Console(Realm& realm)
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: m_realm(realm)
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{
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}
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Console::~Console() = default;
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void Console::visit_edges(Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_realm);
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visitor.visit(m_client);
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}
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// 1.1.1. assert(condition, ...data), https://console.spec.whatwg.org/#assert
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ThrowCompletionOr<Value> Console::assert_()
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{
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auto& vm = realm().vm();
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// 1. If condition is true, return.
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auto condition = vm.argument(0).to_boolean();
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if (condition)
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return js_undefined();
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// 2. Let message be a string without any formatting specifiers indicating generically an assertion failure (such as "Assertion failed").
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auto message = PrimitiveString::create(vm, "Assertion failed"_string);
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// NOTE: Assemble `data` from the function arguments.
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GC::MarkedVector<Value> data { vm.heap() };
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if (vm.argument_count() > 1) {
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data.ensure_capacity(vm.argument_count() - 1);
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for (size_t i = 1; i < vm.argument_count(); ++i) {
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data.append(vm.argument(i));
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}
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}
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// 3. If data is empty, append message to data.
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if (data.is_empty()) {
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data.append(message);
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}
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// 4. Otherwise:
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else {
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// 1. Let first be data[0].
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auto& first = data[0];
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// 2. If first is not a String, then prepend message to data.
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if (!first.is_string()) {
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data.prepend(message);
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}
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// 3. Otherwise:
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else {
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// 1. Let concat be the concatenation of message, U+003A (:), U+0020 SPACE, and first.
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auto concat = TRY_OR_THROW_OOM(vm, String::formatted("{}: {}", message->utf8_string(), MUST(first.to_string(vm))));
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// 2. Set data[0] to concat.
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data[0] = PrimitiveString::create(vm, move(concat));
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}
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}
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// 5. Perform Logger("assert", data).
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if (m_client)
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TRY(m_client->logger(LogLevel::Assert, data));
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return js_undefined();
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}
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// 1.1.2. clear(), https://console.spec.whatwg.org/#clear
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Value Console::clear()
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{
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// 1. Empty the appropriate group stack.
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m_group_stack.clear();
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// 2. If possible for the environment, clear the console. (Otherwise, do nothing.)
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if (m_client)
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m_client->clear();
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return js_undefined();
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}
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// 1.1.3. debug(...data), https://console.spec.whatwg.org/#debug
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ThrowCompletionOr<Value> Console::debug()
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{
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// 1. Perform Logger("debug", data).
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if (m_client) {
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auto data = vm_arguments();
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return m_client->logger(LogLevel::Debug, data);
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}
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return js_undefined();
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}
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// 1.1.4. error(...data), https://console.spec.whatwg.org/#error
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ThrowCompletionOr<Value> Console::error()
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{
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// 1. Perform Logger("error", data).
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if (m_client) {
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auto data = vm_arguments();
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return m_client->logger(LogLevel::Error, data);
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}
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return js_undefined();
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}
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// 1.1.5. info(...data), https://console.spec.whatwg.org/#info
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ThrowCompletionOr<Value> Console::info()
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{
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// 1. Perform Logger("info", data).
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if (m_client) {
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auto data = vm_arguments();
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return m_client->logger(LogLevel::Info, data);
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}
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return js_undefined();
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}
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// 1.1.6. log(...data), https://console.spec.whatwg.org/#log
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ThrowCompletionOr<Value> Console::log()
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{
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// 1. Perform Logger("log", data).
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if (m_client) {
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auto data = vm_arguments();
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return m_client->logger(LogLevel::Log, data);
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}
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return js_undefined();
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}
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// To [create table row] given tabularDataItem, rowIndex, list finalColumns, and optional list properties, perform the following steps:
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static ThrowCompletionOr<GC::Ref<Object>> create_table_row(Realm& realm, Value row_index, Value tabular_data_item, GC::MarkedVector<Value>& final_columns, HashMap<PropertyKey, bool>& visited_columns, HashMap<PropertyKey, bool>& properties)
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{
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auto& vm = realm.vm();
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auto add_column = [&](PropertyKey const& column_name) -> Optional<Completion> {
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// In order to not iterate over the final_columns to find if a column is
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// already in the list, an additional hash map is used to identify
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// if a column is already visited without needing to loop through the whole
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// array.
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if (!visited_columns.contains(column_name)) {
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visited_columns.set(column_name, true);
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if (column_name.is_string()) {
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final_columns.append(PrimitiveString::create(vm, column_name.as_string()));
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} else if (column_name.is_symbol()) {
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final_columns.append(column_name.as_symbol());
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} else if (column_name.is_number()) {
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final_columns.append(Value(column_name.as_number()));
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}
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}
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return {};
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};
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// 1. Let `row` be a new map
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auto row = Object::create(realm, nullptr);
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// 2. Set `row["(index)"]` to `rowIndex`
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{
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auto key = PropertyKey("(index)");
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TRY(row->set(key, row_index, Object::ShouldThrowExceptions::No));
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add_column(key);
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}
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// 3. If `tabularDataItem` is a list, then:
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if (TRY(tabular_data_item.is_array(vm))) {
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auto& array = tabular_data_item.as_array();
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// 3.1. Let `indices` be get the indices of `tabularDataItem`
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auto& indices = array.indexed_properties();
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// 3.2. For each `index` of `indices`
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for (auto const& prop : indices) {
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PropertyKey key(prop.index());
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// 3.2.1. Let `value` be `tabularDataItem[index]`
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Value value = TRY(array.get(key));
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// 3.2.2. If `properties` is not empty and `properties` does not contain `index`, continue
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if (properties.size() > 0 && !properties.contains(key)) {
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continue;
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}
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// 3.2.3. Set `row[index]` to `value`
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TRY(row->set(key, value, Object::ShouldThrowExceptions::No));
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// 3.2.4. If `finalColumns` does not contain `index`, append `index` to `finalColumns`
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add_column(key);
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}
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}
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// 4. Otherwise, if `tabularDataItem` is a map, then:
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else if (tabular_data_item.is_object()) {
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auto& object = tabular_data_item.as_object();
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// 4.1. For each `key` -> `value` of `tabularDataItem`
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object.enumerate_object_properties([&](Value key_v) -> Optional<Completion> {
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auto key = TRY(PropertyKey::from_value(vm, key_v));
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// 4.1.1. If `properties` is not empty and `properties` does not contain `key`, continue
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if (properties.size() > 0 && !properties.contains(key)) {
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return {};
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}
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// 4.1.2. Set `row[key]` to `value`
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TRY(row->set(key, TRY(object.get(key)), Object::ShouldThrowExceptions::No));
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// 4.1.3. If `finalColumns` does not contain `key`, append `key` to `finalColumns`
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add_column(key);
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return {};
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});
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}
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// 5. Otherwise,
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else {
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PropertyKey key("Value");
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// 5.1. Set `row["Value"]` to `tabularDataItem`
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TRY(row->set(key, tabular_data_item, Object::ShouldThrowExceptions::No));
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// 5.2. If `finalColumns` does not contain "Value", append "Value" to `finalColumns`
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add_column(key);
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}
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// 6. Return row
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return row;
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}
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// 1.1.7. table(tabularData, properties), https://console.spec.whatwg.org/#table, WIP
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ThrowCompletionOr<Value> Console::table()
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{
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if (!m_client) {
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return js_undefined();
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}
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auto& vm = realm().vm();
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if (vm.argument_count() > 0) {
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auto tabular_data = vm.argument(0);
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auto properties_arg = vm.argument(1);
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HashMap<PropertyKey, bool> properties;
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if (TRY(properties_arg.is_array(vm))) {
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auto& properties_array = properties_arg.as_array().indexed_properties();
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auto* properties_storage = properties_array.storage();
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for (auto const& col : properties_array) {
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auto col_name = properties_storage->get(col.index()).value().value;
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properties.set(TRY(PropertyKey::from_value(vm, col_name)), true);
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}
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}
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// 1. Let `finalRows` be the new list, initially empty
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GC::MarkedVector<Value> final_rows(vm.heap());
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// 2. Let `finalColumns` be the new list, initially empty
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GC::MarkedVector<Value> final_columns(vm.heap());
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HashMap<PropertyKey, bool> visited_columns;
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// 3. If `tabularData` is a list, then:
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if (TRY(tabular_data.is_array(vm))) {
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auto& array = tabular_data.as_array();
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// 3.1. Let `indices` be get the indices of `tabularData`
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auto& indices = array.indexed_properties();
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// 3.2. For each `index` of `indices`
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for (auto const& prop : indices) {
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PropertyKey index(prop.index());
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// 3.2.1. Let `value` be `tabularData[index]`
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Value value = TRY(array.get(index));
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// 3.2.2. Perform create table row with `value`, `key`, `finalColumns`, and `properties` that returns `row`
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auto row = TRY(create_table_row(realm(), Value(index.as_number()), value, final_columns, visited_columns, properties));
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// 3.2.3. Append `row` to `finalRows`
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final_rows.append(row);
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}
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}
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// 4. Otherwise, if `tabularData` is a map, then:
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else if (tabular_data.is_object()) {
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auto& object = tabular_data.as_object();
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// 4.1. For each `key` -> `value` of `tabularData`
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object.enumerate_object_properties([&](Value key) -> Optional<Completion> {
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auto index = TRY(PropertyKey::from_value(vm, key));
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auto value = TRY(object.get(index));
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// 4.1.1. Perform create table row with `key`, `value`, `finalColumns`, and `properties` that returns `row`
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auto row = TRY(create_table_row(realm(), key, value, final_columns, visited_columns, properties));
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// 4.1.2. Append `row` to `finalRows`
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final_rows.append(row);
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return {};
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});
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}
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// 5. If `finalRows` is not empty, then:
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if (final_rows.size() > 0) {
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auto table_rows = Array::create_from(realm(), final_rows);
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auto table_cols = Array::create_from(realm(), final_columns);
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// 5.1. Let `finalData` to be a new map:
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auto final_data = Object::create(realm(), nullptr);
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// 5.2. Set `finalData["rows"]` to `finalRows`
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TRY(final_data->set(PropertyKey("rows"), table_rows, Object::ShouldThrowExceptions::No));
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// 5.3. Set finalData["columns"] to finalColumns
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TRY(final_data->set(PropertyKey("columns"), table_cols, Object::ShouldThrowExceptions::No));
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// 5.4. Perform `Printer("table", finalData)`
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GC::MarkedVector<Value> args(vm.heap());
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args.append(Value(final_data));
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return m_client->printer(LogLevel::Table, args);
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}
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}
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// 6. Otherwise, perform `Printer("log", tabularData)`
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return m_client->printer(LogLevel::Log, vm_arguments());
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}
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// 1.1.8. trace(...data), https://console.spec.whatwg.org/#trace
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ThrowCompletionOr<Value> Console::trace()
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{
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if (!m_client)
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return js_undefined();
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auto& vm = realm().vm();
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// 1. Let trace be some implementation-defined, potentially-interactive representation of the callstack from where this function was called.
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Console::Trace trace;
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auto& execution_context_stack = vm.execution_context_stack();
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// NOTE: -2 to skip the console.trace() execution context
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for (ssize_t i = execution_context_stack.size() - 2; i >= 0; --i) {
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auto const& function_name = execution_context_stack[i]->function_name;
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trace.stack.append((!function_name || function_name->is_empty())
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? "<anonymous>"_string
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: function_name->utf8_string());
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}
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// 2. Optionally, let formattedData be the result of Formatter(data), and incorporate formattedData as a label for trace.
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if (vm.argument_count() > 0) {
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auto data = vm_arguments();
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auto formatted_data = TRY(m_client->formatter(data));
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trace.label = TRY(value_vector_to_string(formatted_data));
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}
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// 3. Perform Printer("trace", « trace »).
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return m_client->printer(Console::LogLevel::Trace, trace);
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}
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// 1.1.9. warn(...data), https://console.spec.whatwg.org/#warn
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ThrowCompletionOr<Value> Console::warn()
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{
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// 1. Perform Logger("warn", data).
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if (m_client) {
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auto data = vm_arguments();
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return m_client->logger(LogLevel::Warn, data);
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}
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return js_undefined();
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}
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// 1.1.10. dir(item, options), https://console.spec.whatwg.org/#dir
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ThrowCompletionOr<Value> Console::dir()
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{
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auto& vm = realm().vm();
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// 1. Let object be item with generic JavaScript object formatting applied.
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// NOTE: Generic formatting is performed by ConsoleClient::printer().
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auto object = vm.argument(0);
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// 2. Perform Printer("dir", « object », options).
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if (m_client) {
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GC::MarkedVector<Value> printer_arguments { vm.heap() };
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TRY_OR_THROW_OOM(vm, printer_arguments.try_append(object));
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return m_client->printer(LogLevel::Dir, move(printer_arguments));
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}
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return js_undefined();
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}
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static ThrowCompletionOr<String> label_or_fallback(VM& vm, StringView fallback)
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{
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return vm.argument_count() > 0 && !vm.argument(0).is_undefined()
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? vm.argument(0).to_string(vm)
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: TRY_OR_THROW_OOM(vm, String::from_utf8(fallback));
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}
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// 1.2.1. count(label), https://console.spec.whatwg.org/#count
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ThrowCompletionOr<Value> Console::count()
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{
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auto& vm = realm().vm();
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// NOTE: "default" is the default value in the IDL. https://console.spec.whatwg.org/#ref-for-count
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auto label = TRY(label_or_fallback(vm, "default"sv));
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// 1. Let map be the associated count map.
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auto& map = m_counters;
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// 2. If map[label] exists, set map[label] to map[label] + 1.
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if (auto found = map.find(label); found != map.end()) {
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map.set(label, found->value + 1);
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}
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// 3. Otherwise, set map[label] to 1.
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else {
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map.set(label, 1);
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}
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// 4. Let concat be the concatenation of label, U+003A (:), U+0020 SPACE, and ToString(map[label]).
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auto concat = TRY_OR_THROW_OOM(vm, String::formatted("{}: {}", label, map.get(label).value()));
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// 5. Perform Logger("count", « concat »).
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GC::MarkedVector<Value> concat_as_vector { vm.heap() };
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concat_as_vector.append(PrimitiveString::create(vm, move(concat)));
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if (m_client)
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TRY(m_client->logger(LogLevel::Count, concat_as_vector));
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return js_undefined();
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}
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// 1.2.2. countReset(label), https://console.spec.whatwg.org/#countreset
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ThrowCompletionOr<Value> Console::count_reset()
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{
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auto& vm = realm().vm();
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// NOTE: "default" is the default value in the IDL. https://console.spec.whatwg.org/#ref-for-countreset
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auto label = TRY(label_or_fallback(vm, "default"sv));
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// 1. Let map be the associated count map.
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auto& map = m_counters;
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// 2. If map[label] exists, set map[label] to 0.
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if (auto found = map.find(label); found != map.end()) {
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map.set(label, 0);
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}
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// 3. Otherwise:
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else {
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// 1. Let message be a string without any formatting specifiers indicating generically
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// that the given label does not have an associated count.
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auto message = TRY_OR_THROW_OOM(vm, String::formatted("\"{}\" doesn't have a count", label));
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// 2. Perform Logger("countReset", « message »);
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GC::MarkedVector<Value> message_as_vector { vm.heap() };
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message_as_vector.append(PrimitiveString::create(vm, move(message)));
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if (m_client)
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TRY(m_client->logger(LogLevel::CountReset, message_as_vector));
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}
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return js_undefined();
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}
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// 1.3.1. group(...data), https://console.spec.whatwg.org/#group
|
||
ThrowCompletionOr<Value> Console::group()
|
||
{
|
||
// 1. Let group be a new group.
|
||
Group group;
|
||
|
||
// 2. If data is not empty, let groupLabel be the result of Formatter(data).
|
||
String group_label {};
|
||
auto data = vm_arguments();
|
||
if (!data.is_empty()) {
|
||
auto formatted_data = TRY(m_client->formatter(data));
|
||
group_label = TRY(value_vector_to_string(formatted_data));
|
||
}
|
||
// ... Otherwise, let groupLabel be an implementation-chosen label representing a group.
|
||
else {
|
||
group_label = "Group"_string;
|
||
}
|
||
|
||
// 3. Incorporate groupLabel as a label for group.
|
||
group.label = group_label;
|
||
|
||
// 4. Optionally, if the environment supports interactive groups, group should be expanded by default.
|
||
// NOTE: This is handled in Printer.
|
||
|
||
// 5. Perform Printer("group", « group »).
|
||
if (m_client)
|
||
TRY(m_client->printer(LogLevel::Group, group));
|
||
|
||
// 6. Push group onto the appropriate group stack.
|
||
m_group_stack.append(group);
|
||
|
||
return js_undefined();
|
||
}
|
||
|
||
// 1.3.2. groupCollapsed(...data), https://console.spec.whatwg.org/#groupcollapsed
|
||
ThrowCompletionOr<Value> Console::group_collapsed()
|
||
{
|
||
// 1. Let group be a new group.
|
||
Group group;
|
||
|
||
// 2. If data is not empty, let groupLabel be the result of Formatter(data).
|
||
String group_label {};
|
||
auto data = vm_arguments();
|
||
if (!data.is_empty()) {
|
||
auto formatted_data = TRY(m_client->formatter(data));
|
||
group_label = TRY(value_vector_to_string(formatted_data));
|
||
}
|
||
// ... Otherwise, let groupLabel be an implementation-chosen label representing a group.
|
||
else {
|
||
group_label = "Group"_string;
|
||
}
|
||
|
||
// 3. Incorporate groupLabel as a label for group.
|
||
group.label = group_label;
|
||
|
||
// 4. Optionally, if the environment supports interactive groups, group should be collapsed by default.
|
||
// NOTE: This is handled in Printer.
|
||
|
||
// 5. Perform Printer("groupCollapsed", « group »).
|
||
if (m_client)
|
||
TRY(m_client->printer(LogLevel::GroupCollapsed, group));
|
||
|
||
// 6. Push group onto the appropriate group stack.
|
||
m_group_stack.append(group);
|
||
|
||
return js_undefined();
|
||
}
|
||
|
||
// 1.3.3. groupEnd(), https://console.spec.whatwg.org/#groupend
|
||
ThrowCompletionOr<Value> Console::group_end()
|
||
{
|
||
if (m_group_stack.is_empty())
|
||
return js_undefined();
|
||
|
||
// 1. Pop the last group from the group stack.
|
||
m_group_stack.take_last();
|
||
if (m_client)
|
||
m_client->end_group();
|
||
|
||
return js_undefined();
|
||
}
|
||
|
||
// 1.4.1. time(label), https://console.spec.whatwg.org/#time
|
||
ThrowCompletionOr<Value> Console::time()
|
||
{
|
||
auto& vm = realm().vm();
|
||
|
||
// NOTE: "default" is the default value in the IDL. https://console.spec.whatwg.org/#ref-for-time
|
||
auto label = TRY(label_or_fallback(vm, "default"sv));
|
||
|
||
// 1. If the associated timer table contains an entry with key label, return, optionally reporting
|
||
// a warning to the console indicating that a timer with label `label` has already been started.
|
||
if (m_timer_table.contains(label)) {
|
||
if (m_client) {
|
||
GC::MarkedVector<Value> timer_already_exists_warning_message_as_vector { vm.heap() };
|
||
|
||
auto message = TRY_OR_THROW_OOM(vm, String::formatted("Timer '{}' already exists.", label));
|
||
timer_already_exists_warning_message_as_vector.append(PrimitiveString::create(vm, move(message)));
|
||
|
||
TRY(m_client->printer(LogLevel::Warn, move(timer_already_exists_warning_message_as_vector)));
|
||
}
|
||
return js_undefined();
|
||
}
|
||
|
||
// 2. Otherwise, set the value of the entry with key label in the associated timer table to the current time.
|
||
m_timer_table.set(label, Core::ElapsedTimer::start_new());
|
||
return js_undefined();
|
||
}
|
||
|
||
// 1.4.2. timeLog(label, ...data), https://console.spec.whatwg.org/#timelog
|
||
ThrowCompletionOr<Value> Console::time_log()
|
||
{
|
||
auto& vm = realm().vm();
|
||
|
||
// NOTE: "default" is the default value in the IDL. https://console.spec.whatwg.org/#ref-for-timelog
|
||
auto label = TRY(label_or_fallback(vm, "default"sv));
|
||
|
||
// 1. Let timerTable be the associated timer table.
|
||
|
||
// 2. Let startTime be timerTable[label].
|
||
auto maybe_start_time = m_timer_table.find(label);
|
||
|
||
// NOTE: Warn if the timer doesn't exist. Not part of the spec yet, but discussed here: https://github.com/whatwg/console/issues/134
|
||
if (maybe_start_time == m_timer_table.end()) {
|
||
if (m_client) {
|
||
GC::MarkedVector<Value> timer_does_not_exist_warning_message_as_vector { vm.heap() };
|
||
|
||
auto message = TRY_OR_THROW_OOM(vm, String::formatted("Timer '{}' does not exist.", label));
|
||
timer_does_not_exist_warning_message_as_vector.append(PrimitiveString::create(vm, move(message)));
|
||
|
||
TRY(m_client->printer(LogLevel::Warn, move(timer_does_not_exist_warning_message_as_vector)));
|
||
}
|
||
return js_undefined();
|
||
}
|
||
auto start_time = maybe_start_time->value;
|
||
|
||
// 3. Let duration be a string representing the difference between the current time and startTime, in an implementation-defined format.
|
||
auto duration = AK::human_readable_time(start_time.elapsed_time());
|
||
|
||
// 4. Let concat be the concatenation of label, U+003A (:), U+0020 SPACE, and duration.
|
||
auto concat = TRY_OR_THROW_OOM(vm, String::formatted("{}: {}", label, duration));
|
||
|
||
// 5. Prepend concat to data.
|
||
GC::MarkedVector<Value> data { vm.heap() };
|
||
data.ensure_capacity(vm.argument_count());
|
||
data.append(PrimitiveString::create(vm, move(concat)));
|
||
for (size_t i = 1; i < vm.argument_count(); ++i)
|
||
data.append(vm.argument(i));
|
||
|
||
// 6. Perform Printer("timeLog", data).
|
||
if (m_client)
|
||
TRY(m_client->printer(LogLevel::TimeLog, move(data)));
|
||
return js_undefined();
|
||
}
|
||
|
||
// 1.4.3. timeEnd(label), https://console.spec.whatwg.org/#timeend
|
||
ThrowCompletionOr<Value> Console::time_end()
|
||
{
|
||
auto& vm = realm().vm();
|
||
|
||
// NOTE: "default" is the default value in the IDL. https://console.spec.whatwg.org/#ref-for-timeend
|
||
auto label = TRY(label_or_fallback(vm, "default"sv));
|
||
|
||
// 1. Let timerTable be the associated timer table.
|
||
|
||
// 2. Let startTime be timerTable[label].
|
||
auto maybe_start_time = m_timer_table.find(label);
|
||
|
||
// NOTE: Warn if the timer doesn't exist. Not part of the spec yet, but discussed here: https://github.com/whatwg/console/issues/134
|
||
if (maybe_start_time == m_timer_table.end()) {
|
||
if (m_client) {
|
||
GC::MarkedVector<Value> timer_does_not_exist_warning_message_as_vector { vm.heap() };
|
||
|
||
auto message = TRY_OR_THROW_OOM(vm, String::formatted("Timer '{}' does not exist.", label));
|
||
timer_does_not_exist_warning_message_as_vector.append(PrimitiveString::create(vm, move(message)));
|
||
|
||
TRY(m_client->printer(LogLevel::Warn, move(timer_does_not_exist_warning_message_as_vector)));
|
||
}
|
||
return js_undefined();
|
||
}
|
||
auto start_time = maybe_start_time->value;
|
||
|
||
// 3. Remove timerTable[label].
|
||
m_timer_table.remove(label);
|
||
|
||
// 4. Let duration be a string representing the difference between the current time and startTime, in an implementation-defined format.
|
||
auto duration = AK::human_readable_time(start_time.elapsed_time());
|
||
|
||
// 5. Let concat be the concatenation of label, U+003A (:), U+0020 SPACE, and duration.
|
||
auto concat = TRY_OR_THROW_OOM(vm, String::formatted("{}: {}", label, duration));
|
||
|
||
// 6. Perform Printer("timeEnd", « concat »).
|
||
if (m_client) {
|
||
GC::MarkedVector<Value> concat_as_vector { vm.heap() };
|
||
concat_as_vector.append(PrimitiveString::create(vm, move(concat)));
|
||
TRY(m_client->printer(LogLevel::TimeEnd, move(concat_as_vector)));
|
||
}
|
||
return js_undefined();
|
||
}
|
||
|
||
GC::MarkedVector<Value> Console::vm_arguments()
|
||
{
|
||
auto& vm = realm().vm();
|
||
|
||
GC::MarkedVector<Value> arguments { vm.heap() };
|
||
arguments.ensure_capacity(vm.argument_count());
|
||
for (size_t i = 0; i < vm.argument_count(); ++i) {
|
||
arguments.append(vm.argument(i));
|
||
}
|
||
return arguments;
|
||
}
|
||
|
||
void Console::output_debug_message(LogLevel log_level, String const& output) const
|
||
{
|
||
switch (log_level) {
|
||
case Console::LogLevel::Debug:
|
||
dbgln("\033[32;1m(js debug)\033[0m {}", output);
|
||
break;
|
||
case Console::LogLevel::Error:
|
||
dbgln("\033[32;1m(js error)\033[0m {}", output);
|
||
break;
|
||
case Console::LogLevel::Info:
|
||
dbgln("\033[32;1m(js info)\033[0m {}", output);
|
||
break;
|
||
case Console::LogLevel::Log:
|
||
dbgln("\033[32;1m(js log)\033[0m {}", output);
|
||
break;
|
||
case Console::LogLevel::Warn:
|
||
dbgln("\033[32;1m(js warn)\033[0m {}", output);
|
||
break;
|
||
default:
|
||
dbgln("\033[32;1m(js)\033[0m {}", output);
|
||
break;
|
||
}
|
||
}
|
||
|
||
void Console::report_exception(JS::Error const& exception, bool in_promise) const
|
||
{
|
||
if (m_client)
|
||
m_client->report_exception(exception, in_promise);
|
||
}
|
||
|
||
ThrowCompletionOr<String> Console::value_vector_to_string(GC::MarkedVector<Value> const& values)
|
||
{
|
||
auto& vm = realm().vm();
|
||
StringBuilder builder;
|
||
|
||
for (auto const& item : values) {
|
||
if (!builder.is_empty())
|
||
builder.append(' ');
|
||
|
||
builder.append(TRY(item.to_string(vm)));
|
||
}
|
||
|
||
return MUST(builder.to_string());
|
||
}
|
||
|
||
ConsoleClient::ConsoleClient(Console& console)
|
||
: m_console(console)
|
||
{
|
||
}
|
||
|
||
ConsoleClient::~ConsoleClient() = default;
|
||
|
||
void ConsoleClient::visit_edges(Visitor& visitor)
|
||
{
|
||
Base::visit_edges(visitor);
|
||
visitor.visit(m_console);
|
||
}
|
||
|
||
// 2.1. Logger(logLevel, args), https://console.spec.whatwg.org/#logger
|
||
ThrowCompletionOr<Value> ConsoleClient::logger(Console::LogLevel log_level, GC::MarkedVector<Value> const& args)
|
||
{
|
||
auto& vm = m_console->realm().vm();
|
||
|
||
// 1. If args is empty, return.
|
||
if (args.is_empty())
|
||
return js_undefined();
|
||
|
||
// 2. Let first be args[0].
|
||
auto first = args[0];
|
||
|
||
// 3. Let rest be all elements following first in args.
|
||
size_t rest_size = args.size() - 1;
|
||
|
||
// 4. If rest is empty, perform Printer(logLevel, « first ») and return.
|
||
if (rest_size == 0) {
|
||
GC::MarkedVector<Value> first_as_vector { vm.heap() };
|
||
first_as_vector.append(first);
|
||
return printer(log_level, move(first_as_vector));
|
||
}
|
||
|
||
// 5. Otherwise, perform Printer(logLevel, Formatter(args)).
|
||
else {
|
||
auto formatted = TRY(formatter(args));
|
||
TRY(printer(log_level, formatted));
|
||
}
|
||
|
||
// 6. Return undefined.
|
||
return js_undefined();
|
||
}
|
||
|
||
// 2.2. Formatter(args), https://console.spec.whatwg.org/#formatter
|
||
ThrowCompletionOr<GC::MarkedVector<Value>> ConsoleClient::formatter(GC::MarkedVector<Value> const& args)
|
||
{
|
||
auto& realm = m_console->realm();
|
||
auto& vm = realm.vm();
|
||
|
||
// 1. If args’s size is 1, return args.
|
||
if (args.size() == 1)
|
||
return args;
|
||
|
||
// 2. Let target be the first element of args.
|
||
auto target = (!args.is_empty()) ? TRY(args.first().to_string(vm)) : String {};
|
||
|
||
// 3. Let current be the second element of args.
|
||
auto current = (args.size() > 1) ? args[1] : js_undefined();
|
||
|
||
// 4. Find the first possible format specifier specifier, from the left to the right in target.
|
||
auto find_specifier = [](StringView target) -> Optional<StringView> {
|
||
size_t start_index = 0;
|
||
while (start_index < target.length()) {
|
||
auto maybe_index = target.find('%', start_index);
|
||
if (!maybe_index.has_value())
|
||
return {};
|
||
|
||
auto index = maybe_index.value();
|
||
if (index + 1 >= target.length())
|
||
return {};
|
||
|
||
switch (target[index + 1]) {
|
||
case 'c':
|
||
case 'd':
|
||
case 'f':
|
||
case 'i':
|
||
case 'o':
|
||
case 'O':
|
||
case 's':
|
||
return target.substring_view(index, 2);
|
||
}
|
||
|
||
start_index = index + 1;
|
||
}
|
||
return {};
|
||
};
|
||
auto maybe_specifier = find_specifier(target);
|
||
|
||
// 5. If no format specifier was found, return args.
|
||
if (!maybe_specifier.has_value()) {
|
||
return args;
|
||
}
|
||
// 6. Otherwise:
|
||
else {
|
||
auto specifier = maybe_specifier.release_value();
|
||
Optional<Value> converted;
|
||
|
||
// 1. If specifier is %s, let converted be the result of Call(%String%, undefined, « current »).
|
||
if (specifier == "%s"sv) {
|
||
converted = TRY(call(vm, *realm.intrinsics().string_constructor(), js_undefined(), current));
|
||
}
|
||
// 2. If specifier is %d or %i:
|
||
else if (specifier.is_one_of("%d"sv, "%i"sv)) {
|
||
// 1. If current is a Symbol, let converted be NaN
|
||
if (current.is_symbol()) {
|
||
converted = js_nan();
|
||
}
|
||
// 2. Otherwise, let converted be the result of Call(%parseInt%, undefined, « current, 10 »).
|
||
else {
|
||
converted = TRY(call(vm, *realm.intrinsics().parse_int_function(), js_undefined(), current, Value { 10 }));
|
||
}
|
||
}
|
||
// 3. If specifier is %f:
|
||
else if (specifier == "%f"sv) {
|
||
// 1. If current is a Symbol, let converted be NaN
|
||
if (current.is_symbol()) {
|
||
converted = js_nan();
|
||
}
|
||
// 2. Otherwise, let converted be the result of Call(% parseFloat %, undefined, « current »).
|
||
else {
|
||
converted = TRY(call(vm, *realm.intrinsics().parse_float_function(), js_undefined(), current));
|
||
}
|
||
}
|
||
// 4. If specifier is %o, optionally let converted be current with optimally useful formatting applied.
|
||
else if (specifier == "%o"sv) {
|
||
// TODO: "Optimally-useful formatting"
|
||
converted = current;
|
||
}
|
||
// 5. If specifier is %O, optionally let converted be current with generic JavaScript object formatting applied.
|
||
else if (specifier == "%O"sv) {
|
||
// TODO: "generic JavaScript object formatting"
|
||
converted = current;
|
||
}
|
||
// 6. TODO: process %c
|
||
else if (specifier == "%c"sv) {
|
||
// NOTE: This has no spec yet. `%c` specifiers treat the argument as CSS styling for the log message.
|
||
add_css_style_to_current_message(TRY(current.to_string(vm)));
|
||
converted = PrimitiveString::create(vm, String {});
|
||
}
|
||
|
||
// 7. If any of the previous steps set converted, replace specifier in target with converted.
|
||
if (converted.has_value())
|
||
target = TRY_OR_THROW_OOM(vm, target.replace(specifier, TRY(converted->to_string(vm)), ReplaceMode::FirstOnly));
|
||
}
|
||
|
||
// 7. Let result be a list containing target together with the elements of args starting from the third onward.
|
||
GC::MarkedVector<Value> result { vm.heap() };
|
||
result.ensure_capacity(args.size() - 1);
|
||
result.empend(PrimitiveString::create(vm, move(target)));
|
||
for (size_t i = 2; i < args.size(); ++i)
|
||
result.unchecked_append(args[i]);
|
||
|
||
// 8. Return Formatter(result).
|
||
return formatter(result);
|
||
}
|
||
|
||
ThrowCompletionOr<String> ConsoleClient::generically_format_values(GC::MarkedVector<Value> const& values)
|
||
{
|
||
AllocatingMemoryStream stream;
|
||
auto& vm = m_console->realm().vm();
|
||
PrintContext ctx { vm, stream, true };
|
||
bool first = true;
|
||
for (auto const& value : values) {
|
||
if (!first)
|
||
TRY_OR_THROW_OOM(vm, stream.write_until_depleted(" "sv.bytes()));
|
||
TRY_OR_THROW_OOM(vm, JS::print(value, ctx));
|
||
first = false;
|
||
}
|
||
// FIXME: Is it possible we could end up serializing objects to invalid UTF-8?
|
||
return TRY_OR_THROW_OOM(vm, String::from_stream(stream, stream.used_buffer_size()));
|
||
}
|
||
|
||
}
|