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WebContent: Added IPC calls for initializing JS console and sending input

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Brandon Scott 2021-02-27 21:44:49 -06:00 • committed by Andreas Kling
parent 225baa3cb7
commit 51f073ff39
8 changed files with 272 additions and 1 deletions
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172
Userland/Services/WebContent/WebContentConsoleClient.cpp Normal file
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/*
* Copyright (c) 2021, Brandon Scott <xeon.productions@gmail.com>
* Copyright (c) 2020, Hunter Salyer <thefalsehonesty@gmail.com>
* 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 "WebContentConsoleClient.h"
#include <LibJS/Console.h>
#include <LibJS/Interpreter.h>
#include <LibJS/MarkupGenerator.h>
#include <LibJS/Parser.h>
#include <LibWeb/Bindings/DOMExceptionWrapper.h>
#include <LibWeb/DOM/DocumentType.h>
#include <LibWeb/DOM/Text.h>
#include <LibWeb/DOMTreeModel.h>
namespace WebContent {
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_interpreter->global_object(), error.to_string());
} else {
m_interpreter->run(m_interpreter->global_object(), *program);
}
if (m_interpreter->exception()) {
output_html.append("Uncaught exception: ");
auto error = m_interpreter->exception()->value();
if (error.is_object() && is<Web::Bindings::DOMExceptionWrapper>(error.as_object())) {
auto& dom_exception_wrapper = static_cast<Web::Bindings::DOMExceptionWrapper&>(error.as_object());
error = JS::Error::create(m_interpreter->global_object(), dom_exception_wrapper.impl().name(), dom_exception_wrapper.impl().message());
}
output_html.append(JS::MarkupGenerator::html_from_value(error));
print_html(output_html.string_view());
m_interpreter->vm().clear_exception();
return;
}
print_html(JS::MarkupGenerator::html_from_value(m_interpreter->vm().last_value()));
}
void WebContentConsoleClient::print_html(const String& line)
{
m_client.post_message(Messages::WebContentClient::DidJSConsoleOutput("html", line));
}
void WebContentConsoleClient::clear_output()
{
m_client.post_message(Messages::WebContentClient::DidJSConsoleOutput("clear_output", {}));
}
JS::Value WebContentConsoleClient::log()
{
print_html(vm().join_arguments());
return JS::js_undefined();
}
JS::Value WebContentConsoleClient::info()
{
StringBuilder html;
html.append("<span class=\"info\">");
html.append("(i) ");
html.append(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(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(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(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(vm().join_arguments());
auto trace = get_trace();
for (auto& function_name : trace) {
if (function_name.is_empty())
function_name = "&lt;anonymous&gt;";
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();
}
}