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/*
* Copyright (c) 2021, Brandon Scott <xeon.productions@gmail.com>
* Copyright (c) 2020, Hunter Salyer <thefalsehonesty@gmail.com>
* Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "WebContentConsoleClient.h"
#include <LibJS/Interpreter.h>
#include <LibJS/MarkupGenerator.h>
#include <LibJS/Parser.h>
#include <LibWeb/Bindings/WindowObject.h>
#include <WebContent/ConsoleGlobalObject.h>
namespace WebContent {
WebContentConsoleClient::WebContentConsoleClient(JS::Console& console, WeakPtr<JS::Interpreter> interpreter, ClientConnection& client)
: ConsoleClient(console)
, m_client(client)
, m_interpreter(interpreter)
{
JS::DeferGC defer_gc(m_interpreter->heap());
auto console_global_object = m_interpreter->heap().allocate_without_global_object<ConsoleGlobalObject>(static_cast<Web::Bindings::WindowObject&>(m_interpreter->global_object()));
console_global_object->initialize_global_object();
m_console_global_object = JS::make_handle(console_global_object);
}
void WebContentConsoleClient::handle_input(const String& js_source)
{
auto parser = JS::Parser(JS::Lexer(js_source));
auto program = parser.parse_program();
StringBuilder output_html;
if (parser.has_errors()) {
auto error = parser.errors()[0];
auto hint = error.source_location_hint(js_source);
if (!hint.is_empty())
output_html.append(String::formatted("<pre>{}</pre>", escape_html_entities(hint)));
m_interpreter->vm().throw_exception<JS::SyntaxError>(*m_console_global_object.cell(), error.to_string());
} else {
m_interpreter->run(*m_console_global_object.cell(), *program);
}
if (m_interpreter->exception()) {
auto* exception = m_interpreter->exception();
m_interpreter->vm().clear_exception();
output_html.append("Uncaught exception: ");
auto error = exception->value();
if (error.is_object())
output_html.append(JS::MarkupGenerator::html_from_error(error.as_object()));
else
output_html.append(JS::MarkupGenerator::html_from_value(error));
print_html(output_html.string_view());
return;
}
print_html(JS::MarkupGenerator::html_from_value(m_interpreter->vm().last_value()));
}
void WebContentConsoleClient::print_html(const String& line)
{
m_client.async_did_js_console_output("html", line);
}
void WebContentConsoleClient::clear_output()
{
m_client.async_did_js_console_output("clear_output", {});
}
JS::Value WebContentConsoleClient::log()
{
print_html(escape_html_entities(vm().join_arguments()));
return JS::js_undefined();
}
JS::Value WebContentConsoleClient::info()
{
StringBuilder html;
html.append("<span class=\"info\">");
html.append("(i) ");
html.append(escape_html_entities(vm().join_arguments()));
html.append("</span>");
print_html(html.string_view());
return JS::js_undefined();
}
JS::Value WebContentConsoleClient::debug()
{
StringBuilder html;
html.append("<span class=\"debug\">");
html.append("(d) ");
html.append(escape_html_entities(vm().join_arguments()));
html.append("</span>");
print_html(html.string_view());
return JS::js_undefined();
}
JS::Value WebContentConsoleClient::warn()
{
StringBuilder html;
html.append("<span class=\"warn\">");
html.append("(w) ");
html.append(escape_html_entities(vm().join_arguments()));
html.append("</span>");
print_html(html.string_view());
return JS::js_undefined();
}
JS::Value WebContentConsoleClient::error()
{
StringBuilder html;
html.append("<span class=\"error\">");
html.append("(e) ");
html.append(escape_html_entities(vm().join_arguments()));
html.append("</span>");
print_html(html.string_view());
return JS::js_undefined();
}
JS::Value WebContentConsoleClient::clear()
{
clear_output();
return JS::js_undefined();
}
JS::Value WebContentConsoleClient::trace()
{
StringBuilder html;
html.append(escape_html_entities(vm().join_arguments()));
auto trace = get_trace();
for (auto& function_name : trace) {
if (function_name.is_empty())
function_name = "<anonymous>";
html.appendff(" -> {}<br>", function_name);
}
print_html(html.string_view());
return JS::js_undefined();
}
JS::Value WebContentConsoleClient::count()
{
auto label = vm().argument_count() ? vm().argument(0).to_string_without_side_effects() : "default";
auto counter_value = m_console.counter_increment(label);
print_html(String::formatted("{}: {}", label, counter_value));
return JS::js_undefined();
}
JS::Value WebContentConsoleClient::count_reset()
{
auto label = vm().argument_count() ? vm().argument(0).to_string_without_side_effects() : "default";
if (m_console.counter_reset(label)) {
print_html(String::formatted("{}: 0", label));
} else {
print_html(String::formatted("\"{}\" doesn't have a count", label));
}
return JS::js_undefined();
}
JS::Value WebContentConsoleClient::assert_()
{
auto& vm = this->vm();
if (!vm.argument(0).to_boolean()) {
StringBuilder html;
if (vm.argument_count() > 1) {
html.append("<span class=\"error\">");
html.append("Assertion failed:");
html.append("</span>");
html.append(" ");
html.append(escape_html_entities(vm.join_arguments(1)));
} else {
html.append("<span class=\"error\">");
html.append("Assertion failed");
html.append("</span>");
}
print_html(html.string_view());
}
return JS::js_undefined();
}
}
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