22413ef729
The WebSocket bindings match the original specification from the WHATWG living standard, but do not match the later update of the standard that involves FETCH. The FETCH update will be handled later since the changes would also affect XMLHttpRequest.
1560 lines
52 KiB
C++
1560 lines
52 KiB
C++
/*
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* Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/ByteBuffer.h>
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#include <AK/Debug.h>
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#include <AK/GenericLexer.h>
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#include <AK/HashMap.h>
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#include <AK/LexicalPath.h>
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#include <AK/SourceGenerator.h>
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#include <AK/StringBuilder.h>
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#include <LibCore/ArgsParser.h>
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#include <LibCore/File.h>
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#include <ctype.h>
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static String make_input_acceptable_cpp(const String& input)
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{
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if (input.is_one_of("class", "template", "for", "default", "char", "namespace")) {
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StringBuilder builder;
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builder.append(input);
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builder.append('_');
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return builder.to_string();
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}
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String input_without_dashes = input;
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input_without_dashes.replace("-", "_");
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return input_without_dashes;
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}
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static void report_parsing_error(StringView message, StringView filename, StringView input, size_t offset)
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{
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// FIXME: Spaghetti code ahead.
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size_t lineno = 1;
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size_t colno = 1;
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size_t start_line = 0;
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size_t line_length = 0;
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for (size_t index = 0; index < input.length(); ++index) {
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if (offset == index)
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colno = index - start_line + 1;
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if (input[index] == '\n') {
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if (index >= offset)
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break;
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start_line = index + 1;
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line_length = 0;
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++lineno;
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} else {
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++line_length;
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}
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}
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StringBuilder error_message;
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error_message.appendff("{}\n", input.substring_view(start_line, line_length));
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for (size_t i = 0; i < colno - 1; ++i)
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error_message.append(' ');
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error_message.append("\033[1;31m^\n");
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error_message.appendff("{}:{}: error: {}\033[0m\n", filename, lineno, message);
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warnln("{}", error_message.string_view());
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exit(EXIT_FAILURE);
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}
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namespace IDL {
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template<typename FunctionType>
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static size_t get_function_length(FunctionType& function)
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{
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size_t length = 0;
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for (auto& parameter : function.parameters) {
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if (!parameter.optional)
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length++;
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}
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return length;
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}
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struct Type {
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String name;
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bool nullable { false };
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bool is_string() const { return name.is_one_of("ByteString", "CSSOMString", "DOMString", "USVString"); }
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};
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struct Parameter {
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Type type;
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String name;
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bool optional { false };
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String optional_default_value {};
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};
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struct Function {
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Type return_type;
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String name;
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Vector<Parameter> parameters;
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HashMap<String, String> extended_attributes;
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size_t length() const { return get_function_length(*this); }
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};
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struct Constructor {
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String name;
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Vector<Parameter> parameters;
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size_t length() const { return get_function_length(*this); }
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};
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struct Constant {
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Type type;
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String name;
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String value;
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};
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struct Attribute {
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bool readonly { false };
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Type type;
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String name;
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HashMap<String, String> extended_attributes;
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// Added for convenience after parsing
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String getter_callback_name;
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String setter_callback_name;
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};
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struct Interface {
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String name;
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String parent_name;
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HashMap<String, String> extended_attributes;
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Vector<Attribute> attributes;
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Vector<Constant> constants;
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Vector<Constructor> constructors;
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Vector<Function> functions;
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// Added for convenience after parsing
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String wrapper_class;
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String wrapper_base_class;
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String fully_qualified_name;
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String constructor_class;
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String prototype_class;
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String prototype_base_class;
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};
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static OwnPtr<Interface> parse_interface(StringView filename, const StringView& input)
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{
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auto interface = make<Interface>();
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GenericLexer lexer(input);
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auto assert_specific = [&](char ch) {
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if (!lexer.consume_specific(ch))
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report_parsing_error(String::formatted("expected '{}'", ch), filename, input, lexer.tell());
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};
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auto consume_whitespace = [&] {
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bool consumed = true;
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while (consumed) {
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consumed = lexer.consume_while([](char ch) { return isspace(ch); }).length() > 0;
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if (lexer.consume_specific("//")) {
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lexer.consume_until('\n');
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consumed = true;
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}
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}
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};
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auto assert_string = [&](const StringView& expected) {
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if (!lexer.consume_specific(expected))
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report_parsing_error(String::formatted("expected '{}'", expected), filename, input, lexer.tell());
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};
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auto parse_extended_attributes = [&] {
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HashMap<String, String> extended_attributes;
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for (;;) {
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consume_whitespace();
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if (lexer.consume_specific(']'))
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break;
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auto name = lexer.consume_until([](auto ch) { return ch == ']' || ch == '=' || ch == ','; });
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if (lexer.consume_specific('=')) {
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auto value = lexer.consume_until([](auto ch) { return ch == ']' || ch == ','; });
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extended_attributes.set(name, value);
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} else {
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extended_attributes.set(name, {});
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}
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lexer.consume_specific(',');
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}
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consume_whitespace();
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return extended_attributes;
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};
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if (lexer.consume_specific('['))
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interface->extended_attributes = parse_extended_attributes();
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assert_string("interface");
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consume_whitespace();
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interface->name = lexer.consume_until([](auto ch) { return isspace(ch); });
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consume_whitespace();
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if (lexer.consume_specific(':')) {
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consume_whitespace();
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interface->parent_name = lexer.consume_until([](auto ch) { return isspace(ch); });
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consume_whitespace();
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}
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assert_specific('{');
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auto parse_type = [&] {
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bool unsigned_ = lexer.consume_specific("unsigned");
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if (unsigned_)
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consume_whitespace();
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auto name = lexer.consume_until([](auto ch) { return isspace(ch) || ch == '?'; });
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auto nullable = lexer.consume_specific('?');
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StringBuilder builder;
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if (unsigned_)
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builder.append("unsigned ");
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builder.append(name);
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return Type { builder.to_string(), nullable };
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};
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auto parse_attribute = [&](HashMap<String, String>& extended_attributes) {
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bool readonly = lexer.consume_specific("readonly");
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if (readonly)
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consume_whitespace();
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if (lexer.consume_specific("attribute"))
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consume_whitespace();
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auto type = parse_type();
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consume_whitespace();
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auto name = lexer.consume_until([](auto ch) { return isspace(ch) || ch == ';'; });
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consume_whitespace();
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assert_specific(';');
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Attribute attribute;
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attribute.readonly = readonly;
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attribute.type = type;
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attribute.name = name;
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attribute.getter_callback_name = String::formatted("{}_getter", attribute.name.to_snakecase());
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attribute.setter_callback_name = String::formatted("{}_setter", attribute.name.to_snakecase());
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attribute.extended_attributes = move(extended_attributes);
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interface->attributes.append(move(attribute));
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};
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auto parse_constant = [&] {
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lexer.consume_specific("const");
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consume_whitespace();
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Constant constant;
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constant.type = parse_type();
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consume_whitespace();
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constant.name = lexer.consume_until([](auto ch) { return isspace(ch) || ch == '='; });
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consume_whitespace();
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lexer.consume_specific('=');
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consume_whitespace();
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constant.value = lexer.consume_while([](auto ch) { return !isspace(ch) && ch != ';'; });
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consume_whitespace();
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assert_specific(';');
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interface->constants.append(move(constant));
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};
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auto parse_parameters = [&] {
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consume_whitespace();
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Vector<Parameter> parameters;
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for (;;) {
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if (lexer.next_is(')'))
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break;
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bool optional = lexer.consume_specific("optional");
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if (optional)
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consume_whitespace();
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auto type = parse_type();
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consume_whitespace();
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auto name = lexer.consume_until([](auto ch) { return isspace(ch) || ch == ',' || ch == ')' || ch == '='; });
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Parameter parameter = { move(type), move(name), optional };
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consume_whitespace();
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if (lexer.next_is(')')) {
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parameters.append(parameter);
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break;
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}
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if (lexer.next_is('=') && optional) {
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assert_specific('=');
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consume_whitespace();
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auto default_value = lexer.consume_until([](auto ch) { return isspace(ch) || ch == ',' || ch == ')'; });
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parameter.optional_default_value = default_value;
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}
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parameters.append(parameter);
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if (lexer.next_is(')'))
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break;
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assert_specific(',');
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consume_whitespace();
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}
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return parameters;
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};
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auto parse_function = [&](HashMap<String, String>& extended_attributes) {
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auto return_type = parse_type();
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consume_whitespace();
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auto name = lexer.consume_until([](auto ch) { return isspace(ch) || ch == '('; });
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consume_whitespace();
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assert_specific('(');
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auto parameters = parse_parameters();
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assert_specific(')');
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consume_whitespace();
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assert_specific(';');
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interface->functions.append(Function { return_type, name, move(parameters), move(extended_attributes) });
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};
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auto parse_constructor = [&] {
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assert_string("constructor");
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consume_whitespace();
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assert_specific('(');
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auto parameters = parse_parameters();
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assert_specific(')');
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consume_whitespace();
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assert_specific(';');
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interface->constructors.append(Constructor { interface->name, move(parameters) });
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};
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for (;;) {
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HashMap<String, String> extended_attributes;
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consume_whitespace();
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if (lexer.consume_specific('}')) {
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consume_whitespace();
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assert_specific(';');
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break;
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}
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if (lexer.consume_specific('[')) {
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extended_attributes = parse_extended_attributes();
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}
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if (lexer.next_is("constructor")) {
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parse_constructor();
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continue;
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}
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if (lexer.next_is("const")) {
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parse_constant();
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continue;
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}
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if (lexer.next_is("readonly") || lexer.next_is("attribute")) {
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parse_attribute(extended_attributes);
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continue;
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}
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parse_function(extended_attributes);
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}
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interface->wrapper_class = String::formatted("{}Wrapper", interface->name);
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interface->wrapper_base_class = String::formatted("{}Wrapper", interface->parent_name.is_empty() ? String::empty() : interface->parent_name);
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interface->constructor_class = String::formatted("{}Constructor", interface->name);
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interface->prototype_class = String::formatted("{}Prototype", interface->name);
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interface->prototype_base_class = String::formatted("{}Prototype", interface->parent_name.is_empty() ? "Object" : interface->parent_name);
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return interface;
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}
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}
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static void generate_constructor_header(const IDL::Interface&);
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static void generate_constructor_implementation(const IDL::Interface&);
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static void generate_prototype_header(const IDL::Interface&);
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static void generate_prototype_implementation(const IDL::Interface&);
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static void generate_header(const IDL::Interface&);
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static void generate_implementation(const IDL::Interface&);
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int main(int argc, char** argv)
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{
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Core::ArgsParser args_parser;
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const char* path = nullptr;
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bool header_mode = false;
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bool implementation_mode = false;
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bool constructor_header_mode = false;
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bool constructor_implementation_mode = false;
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bool prototype_header_mode = false;
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bool prototype_implementation_mode = false;
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args_parser.add_option(header_mode, "Generate the wrapper .h file", "header", 'H');
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args_parser.add_option(implementation_mode, "Generate the wrapper .cpp file", "implementation", 'I');
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args_parser.add_option(constructor_header_mode, "Generate the constructor .h file", "constructor-header", 'C');
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args_parser.add_option(constructor_implementation_mode, "Generate the constructor .cpp file", "constructor-implementation", 'O');
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args_parser.add_option(prototype_header_mode, "Generate the prototype .h file", "prototype-header", 'P');
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args_parser.add_option(prototype_implementation_mode, "Generate the prototype .cpp file", "prototype-implementation", 'R');
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args_parser.add_positional_argument(path, "IDL file", "idl-file");
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args_parser.parse(argc, argv);
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auto file_or_error = Core::File::open(path, Core::IODevice::ReadOnly);
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if (file_or_error.is_error()) {
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fprintf(stderr, "Cannot open %s\n", path);
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return 1;
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}
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LexicalPath lexical_path(path);
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auto namespace_ = lexical_path.parts().at(lexical_path.parts().size() - 2);
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auto data = file_or_error.value()->read_all();
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auto interface = IDL::parse_interface(path, data);
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if (!interface) {
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warnln("Cannot parse {}", path);
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return 1;
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}
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if (namespace_.is_one_of("CSS", "DOM", "HTML", "UIEvents", "HighResolutionTime", "NavigationTiming", "SVG", "XHR")) {
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StringBuilder builder;
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builder.append(namespace_);
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builder.append("::");
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builder.append(interface->name);
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interface->fully_qualified_name = builder.to_string();
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} else {
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interface->fully_qualified_name = interface->name;
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}
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if constexpr (WRAPPER_GENERATOR_DEBUG) {
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dbgln("Attributes:");
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for (auto& attribute : interface->attributes) {
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dbgln(" {}{}{} {}",
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attribute.readonly ? "readonly " : "",
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attribute.type.name,
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attribute.type.nullable ? "?" : "",
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attribute.name);
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}
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dbgln("Functions:");
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for (auto& function : interface->functions) {
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dbgln(" {}{} {}",
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function.return_type.name,
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function.return_type.nullable ? "?" : "",
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function.name);
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for (auto& parameter : function.parameters) {
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dbgln(" {}{} {}",
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parameter.type.name,
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parameter.type.nullable ? "?" : "",
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parameter.name);
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}
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}
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}
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if (header_mode)
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generate_header(*interface);
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if (implementation_mode)
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generate_implementation(*interface);
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if (constructor_header_mode)
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generate_constructor_header(*interface);
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if (constructor_implementation_mode)
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generate_constructor_implementation(*interface);
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if (prototype_header_mode)
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generate_prototype_header(*interface);
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if (prototype_implementation_mode)
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generate_prototype_implementation(*interface);
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return 0;
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}
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static bool should_emit_wrapper_factory(const IDL::Interface& interface)
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{
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// FIXME: This is very hackish.
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if (interface.name == "Event")
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return false;
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if (interface.name == "EventTarget")
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return false;
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if (interface.name == "Node")
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return false;
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if (interface.name == "Text")
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return false;
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if (interface.name == "Document")
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return false;
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if (interface.name == "DocumentType")
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return false;
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if (interface.name.ends_with("Element"))
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return false;
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return true;
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}
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static bool is_wrappable_type(const IDL::Type& type)
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{
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if (type.name == "Node")
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return true;
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if (type.name == "Document")
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return true;
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if (type.name == "Text")
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return true;
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if (type.name == "DocumentType")
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return true;
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if (type.name.ends_with("Element"))
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return true;
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if (type.name == "ImageData")
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return true;
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return false;
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}
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|
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template<typename ParameterType>
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static void generate_to_cpp(SourceGenerator& generator, ParameterType& parameter, const String& js_name, const String& js_suffix, const String& cpp_name, bool return_void = false, bool legacy_null_to_empty_string = false, bool optional = false, String optional_default_value = {})
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{
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auto scoped_generator = generator.fork();
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scoped_generator.set("cpp_name", make_input_acceptable_cpp(cpp_name));
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scoped_generator.set("js_name", js_name);
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scoped_generator.set("js_suffix", js_suffix);
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scoped_generator.set("legacy_null_to_empty_string", legacy_null_to_empty_string ? "true" : "false");
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scoped_generator.set("parameter.type.name", parameter.type.name);
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|
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if (!optional_default_value.is_null())
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scoped_generator.set("parameter.optional_default_value", optional_default_value);
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|
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if (return_void)
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scoped_generator.set("return_statement", "return;");
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else
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scoped_generator.set("return_statement", "return {};");
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|
|
// FIXME: Add support for optional, nullable and default values to all types
|
|
if (parameter.type.is_string()) {
|
|
if (!optional) {
|
|
scoped_generator.append(R"~~~(
|
|
auto @cpp_name@ = @js_name@@js_suffix@.to_string(global_object, @legacy_null_to_empty_string@);
|
|
if (vm.exception())
|
|
@return_statement@
|
|
)~~~");
|
|
} else {
|
|
scoped_generator.append(R"~~~(
|
|
String @cpp_name@;
|
|
if (!@js_name@@js_suffix@.is_undefined()) {
|
|
@cpp_name@ = @js_name@@js_suffix@.to_string(global_object, @legacy_null_to_empty_string@);
|
|
if (vm.exception())
|
|
@return_statement@
|
|
})~~~");
|
|
if (!optional_default_value.is_null()) {
|
|
scoped_generator.append(R"~~~( else {
|
|
@cpp_name@ = @parameter.optional_default_value@;
|
|
}
|
|
)~~~");
|
|
} else {
|
|
scoped_generator.append(R"~~~(
|
|
)~~~");
|
|
}
|
|
}
|
|
} else if (parameter.type.name == "EventListener") {
|
|
if (parameter.type.nullable) {
|
|
scoped_generator.append(R"~~~(
|
|
RefPtr<EventListener> @cpp_name@;
|
|
if (!@js_name@@js_suffix@.is_null()) {
|
|
if (!@js_name@@js_suffix@.is_function()) {
|
|
vm.throw_exception<JS::TypeError>(global_object, JS::ErrorType::NotA, "Function");
|
|
@return_statement@
|
|
}
|
|
@cpp_name@ = adopt_ref(*new EventListener(JS::make_handle(&@js_name@@js_suffix@.as_function())));
|
|
}
|
|
)~~~");
|
|
} else {
|
|
scoped_generator.append(R"~~~(
|
|
if (!@js_name@@js_suffix@.is_function()) {
|
|
vm.throw_exception<JS::TypeError>(global_object, JS::ErrorType::NotA, "Function");
|
|
@return_statement@
|
|
}
|
|
auto @cpp_name@ = adopt_ref(*new EventListener(JS::make_handle(&@js_name@@js_suffix@.as_function())));
|
|
)~~~");
|
|
}
|
|
} else if (is_wrappable_type(parameter.type)) {
|
|
scoped_generator.append(R"~~~(
|
|
auto @cpp_name@_object = @js_name@@js_suffix@.to_object(global_object);
|
|
if (vm.exception())
|
|
@return_statement@
|
|
|
|
if (!is<@parameter.type.name@Wrapper>(@cpp_name@_object)) {
|
|
vm.throw_exception<JS::TypeError>(global_object, JS::ErrorType::NotA, "@parameter.type.name@");
|
|
@return_statement@
|
|
}
|
|
|
|
auto& @cpp_name@ = static_cast<@parameter.type.name@Wrapper*>(@cpp_name@_object)->impl();
|
|
)~~~");
|
|
} else if (parameter.type.name == "double") {
|
|
if (!optional) {
|
|
scoped_generator.append(R"~~~(
|
|
double @cpp_name@ = @js_name@@js_suffix@.to_double(global_object);
|
|
if (vm.exception())
|
|
@return_statement@
|
|
)~~~");
|
|
} else {
|
|
if (!optional_default_value.is_null()) {
|
|
scoped_generator.append(R"~~~(
|
|
double @cpp_name@;
|
|
)~~~");
|
|
} else {
|
|
scoped_generator.append(R"~~~(
|
|
Optional<double> @cpp_name@;
|
|
)~~~");
|
|
}
|
|
scoped_generator.append(R"~~~(
|
|
if (!@js_name@@js_suffix@.is_undefined()) {
|
|
@cpp_name@ = @js_name@@js_suffix@.to_double(global_object);
|
|
if (vm.exception())
|
|
@return_statement@
|
|
}
|
|
)~~~");
|
|
if (!optional_default_value.is_null()) {
|
|
scoped_generator.append(R"~~~(
|
|
else
|
|
@cpp_name@ = @parameter.optional_default_value@;
|
|
)~~~");
|
|
} else {
|
|
scoped_generator.append(R"~~~(
|
|
)~~~");
|
|
}
|
|
}
|
|
} else if (parameter.type.name == "boolean") {
|
|
if (!optional) {
|
|
scoped_generator.append(R"~~~(
|
|
bool @cpp_name@ = @js_name@@js_suffix@.to_boolean();
|
|
)~~~");
|
|
} else {
|
|
if (!optional_default_value.is_null()) {
|
|
scoped_generator.append(R"~~~(
|
|
bool @cpp_name@;
|
|
)~~~");
|
|
} else {
|
|
scoped_generator.append(R"~~~(
|
|
Optional<bool> @cpp_name@;
|
|
)~~~");
|
|
}
|
|
scoped_generator.append(R"~~~(
|
|
if (!@js_name@@js_suffix@.is_undefined())
|
|
@cpp_name@ = @js_name@@js_suffix@.to_boolean();)~~~");
|
|
if (!optional_default_value.is_null()) {
|
|
scoped_generator.append(R"~~~(
|
|
else
|
|
@cpp_name@ = @parameter.optional_default_value@;
|
|
)~~~");
|
|
} else {
|
|
scoped_generator.append(R"~~~(
|
|
)~~~");
|
|
}
|
|
}
|
|
} else if (parameter.type.name == "unsigned long") {
|
|
scoped_generator.append(R"~~~(
|
|
auto @cpp_name@ = @js_name@@js_suffix@.to_u32(global_object);
|
|
if (vm.exception())
|
|
@return_statement@
|
|
)~~~");
|
|
} else if (parameter.type.name == "unsigned short") {
|
|
scoped_generator.append(R"~~~(
|
|
auto @cpp_name@ = (u16)@js_name@@js_suffix@.to_u32(global_object);
|
|
if (vm.exception())
|
|
@return_statement@
|
|
)~~~");
|
|
} else if (parameter.type.name == "EventHandler") {
|
|
// x.onfoo = function() { ... }
|
|
scoped_generator.append(R"~~~(
|
|
HTML::EventHandler @cpp_name@;
|
|
if (@js_name@@js_suffix@.is_function()) {
|
|
@cpp_name@.callback = JS::make_handle(&@js_name@@js_suffix@.as_function());
|
|
} else if (@js_name@@js_suffix@.is_string()) {
|
|
@cpp_name@.string = @js_name@@js_suffix@.as_string().string();
|
|
} else {
|
|
@return_statement@
|
|
}
|
|
)~~~");
|
|
} else {
|
|
dbgln("Unimplemented JS-to-C++ conversion: {}", parameter.type.name);
|
|
VERIFY_NOT_REACHED();
|
|
}
|
|
}
|
|
|
|
template<typename FunctionType>
|
|
static void generate_argument_count_check(SourceGenerator& generator, FunctionType& function)
|
|
{
|
|
auto argument_count_check_generator = generator.fork();
|
|
argument_count_check_generator.set("function.name", function.name);
|
|
argument_count_check_generator.set("function.nargs", String::number(function.length()));
|
|
|
|
if (function.length() == 0)
|
|
return;
|
|
if (function.length() == 1) {
|
|
argument_count_check_generator.set(".bad_arg_count", "JS::ErrorType::BadArgCountOne");
|
|
argument_count_check_generator.set(".arg_count_suffix", "");
|
|
} else {
|
|
argument_count_check_generator.set(".bad_arg_count", "JS::ErrorType::BadArgCountMany");
|
|
argument_count_check_generator.set(".arg_count_suffix", String::formatted(", \"{}\"", function.length()));
|
|
}
|
|
|
|
argument_count_check_generator.append(R"~~~(
|
|
if (vm.argument_count() < @function.nargs@) {
|
|
vm.throw_exception<JS::TypeError>(global_object, @.bad_arg_count@, "@function.name@"@.arg_count_suffix@);
|
|
return {};
|
|
}
|
|
)~~~");
|
|
}
|
|
|
|
static void generate_arguments(SourceGenerator& generator, const Vector<IDL::Parameter>& parameters, StringBuilder& arguments_builder, bool return_void = false)
|
|
{
|
|
auto arguments_generator = generator.fork();
|
|
|
|
Vector<String> parameter_names;
|
|
size_t argument_index = 0;
|
|
for (auto& parameter : parameters) {
|
|
parameter_names.append(make_input_acceptable_cpp(parameter.name.to_snakecase()));
|
|
arguments_generator.set("argument.index", String::number(argument_index));
|
|
|
|
arguments_generator.append(R"~~~(
|
|
auto arg@argument.index@ = vm.argument(@argument.index@);
|
|
)~~~");
|
|
// FIXME: Parameters can have [LegacyNullToEmptyString] attached.
|
|
generate_to_cpp(generator, parameter, "arg", String::number(argument_index), parameter.name.to_snakecase(), return_void, false, parameter.optional, parameter.optional_default_value);
|
|
++argument_index;
|
|
}
|
|
|
|
arguments_builder.join(", ", parameter_names);
|
|
}
|
|
|
|
static void generate_header(const IDL::Interface& interface)
|
|
{
|
|
StringBuilder builder;
|
|
SourceGenerator generator { builder };
|
|
|
|
generator.set("name", interface.name);
|
|
generator.set("fully_qualified_name", interface.fully_qualified_name);
|
|
generator.set("wrapper_base_class", interface.wrapper_base_class);
|
|
generator.set("wrapper_class", interface.wrapper_class);
|
|
generator.set("wrapper_class:snakecase", interface.wrapper_class.to_snakecase());
|
|
|
|
generator.append(R"~~~(
|
|
#pragma once
|
|
|
|
#include <LibWeb/Bindings/Wrapper.h>
|
|
|
|
// FIXME: This is very strange.
|
|
#if __has_include(<LibWeb/CSS/@name@.h>)
|
|
# include <LibWeb/CSS/@name@.h>
|
|
#elif __has_include(<LibWeb/DOM/@name@.h>)
|
|
# include <LibWeb/DOM/@name@.h>
|
|
#elif __has_include(<LibWeb/HTML/@name@.h>)
|
|
# include <LibWeb/HTML/@name@.h>
|
|
#elif __has_include(<LibWeb/UIEvents/@name@.h>)
|
|
# include <LibWeb/UIEvents/@name@.h>
|
|
#elif __has_include(<LibWeb/HighResolutionTime/@name@.h>)
|
|
# include <LibWeb/HighResolutionTime/@name@.h>
|
|
#elif __has_include(<LibWeb/NavigationTiming/@name@.h>)
|
|
# include <LibWeb/NavigationTiming/@name@.h>
|
|
#elif __has_include(<LibWeb/SVG/@name@.h>)
|
|
# include <LibWeb/SVG/@name@.h>
|
|
#elif __has_include(<LibWeb/XHR/@name@.h>)
|
|
# include <LibWeb/XHR/@name@.h>
|
|
#endif
|
|
)~~~");
|
|
|
|
if (interface.wrapper_base_class != "Wrapper") {
|
|
generator.append(R"~~~(
|
|
#include <LibWeb/Bindings/@wrapper_base_class@.h>
|
|
)~~~");
|
|
}
|
|
|
|
generator.append(R"~~~(
|
|
namespace Web::Bindings {
|
|
|
|
class @wrapper_class@ : public @wrapper_base_class@ {
|
|
JS_OBJECT(@name@, @wrapper_base_class@);
|
|
public:
|
|
static @wrapper_class@* create(JS::GlobalObject&, @fully_qualified_name@&);
|
|
|
|
@wrapper_class@(JS::GlobalObject&, @fully_qualified_name@&);
|
|
virtual void initialize(JS::GlobalObject&) override;
|
|
virtual ~@wrapper_class@() override;
|
|
)~~~");
|
|
|
|
if (interface.extended_attributes.contains("CustomGet")) {
|
|
generator.append(R"~~~(
|
|
virtual JS::Value get(const JS::PropertyName&, JS::Value receiver = {}, bool without_side_effects = false) const override;
|
|
)~~~");
|
|
}
|
|
if (interface.extended_attributes.contains("CustomGetByIndex")) {
|
|
generator.append(R"~~~(
|
|
virtual JS::Value get_by_index(u32 property_index) const override;
|
|
)~~~");
|
|
}
|
|
if (interface.extended_attributes.contains("CustomPut")) {
|
|
generator.append(R"~~~(
|
|
virtual bool put(const JS::PropertyName&, JS::Value, JS::Value receiver = {}) override;
|
|
)~~~");
|
|
}
|
|
|
|
if (interface.wrapper_base_class == "Wrapper") {
|
|
generator.append(R"~~~(
|
|
@fully_qualified_name@& impl() { return *m_impl; }
|
|
const @fully_qualified_name@& impl() const { return *m_impl; }
|
|
)~~~");
|
|
} else {
|
|
generator.append(R"~~~(
|
|
@fully_qualified_name@& impl() { return static_cast<@fully_qualified_name@&>(@wrapper_base_class@::impl()); }
|
|
const @fully_qualified_name@& impl() const { return static_cast<const @fully_qualified_name@&>(@wrapper_base_class@::impl()); }
|
|
)~~~");
|
|
}
|
|
|
|
generator.append(R"~~~(
|
|
private:
|
|
)~~~");
|
|
|
|
if (interface.wrapper_base_class == "Wrapper") {
|
|
generator.append(R"~~~(
|
|
NonnullRefPtr<@fully_qualified_name@> m_impl;
|
|
)~~~");
|
|
}
|
|
|
|
generator.append(R"~~~(
|
|
};
|
|
)~~~");
|
|
|
|
if (should_emit_wrapper_factory(interface)) {
|
|
generator.append(R"~~~(
|
|
@wrapper_class@* wrap(JS::GlobalObject&, @fully_qualified_name@&);
|
|
)~~~");
|
|
}
|
|
|
|
generator.append(R"~~~(
|
|
} // namespace Web::Bindings
|
|
)~~~");
|
|
|
|
outln("{}", generator.as_string_view());
|
|
}
|
|
|
|
void generate_implementation(const IDL::Interface& interface)
|
|
{
|
|
StringBuilder builder;
|
|
SourceGenerator generator { builder };
|
|
|
|
generator.set("name", interface.name);
|
|
generator.set("wrapper_class", interface.wrapper_class);
|
|
generator.set("wrapper_base_class", interface.wrapper_base_class);
|
|
generator.set("prototype_class", interface.prototype_class);
|
|
generator.set("fully_qualified_name", interface.fully_qualified_name);
|
|
|
|
generator.append(R"~~~(
|
|
#include <AK/FlyString.h>
|
|
#include <LibJS/Runtime/Array.h>
|
|
#include <LibJS/Runtime/Error.h>
|
|
#include <LibJS/Runtime/Function.h>
|
|
#include <LibJS/Runtime/GlobalObject.h>
|
|
#include <LibJS/Runtime/Uint8ClampedArray.h>
|
|
#include <LibJS/Runtime/Value.h>
|
|
#include <LibWeb/Bindings/@prototype_class@.h>
|
|
#include <LibWeb/Bindings/@wrapper_class@.h>
|
|
#include <LibWeb/Bindings/CanvasRenderingContext2DWrapper.h>
|
|
#include <LibWeb/Bindings/CommentWrapper.h>
|
|
#include <LibWeb/Bindings/DOMImplementationWrapper.h>
|
|
#include <LibWeb/Bindings/DocumentFragmentWrapper.h>
|
|
#include <LibWeb/Bindings/DocumentTypeWrapper.h>
|
|
#include <LibWeb/Bindings/DocumentWrapper.h>
|
|
#include <LibWeb/Bindings/EventTargetWrapperFactory.h>
|
|
#include <LibWeb/Bindings/EventWrapperFactory.h>
|
|
#include <LibWeb/Bindings/HTMLCanvasElementWrapper.h>
|
|
#include <LibWeb/Bindings/HTMLCollectionWrapper.h>
|
|
#include <LibWeb/Bindings/HTMLFormElementWrapper.h>
|
|
#include <LibWeb/Bindings/HTMLHeadElementWrapper.h>
|
|
#include <LibWeb/Bindings/HTMLImageElementWrapper.h>
|
|
#include <LibWeb/Bindings/ImageDataWrapper.h>
|
|
#include <LibWeb/Bindings/NodeWrapperFactory.h>
|
|
#include <LibWeb/Bindings/TextWrapper.h>
|
|
#include <LibWeb/Bindings/WindowObject.h>
|
|
#include <LibWeb/DOM/Element.h>
|
|
#include <LibWeb/DOM/EventListener.h>
|
|
#include <LibWeb/HTML/HTMLElement.h>
|
|
#include <LibWeb/Origin.h>
|
|
|
|
// FIXME: This is a total hack until we can figure out the namespace for a given type somehow.
|
|
using namespace Web::CSS;
|
|
using namespace Web::DOM;
|
|
using namespace Web::HTML;
|
|
|
|
namespace Web::Bindings {
|
|
|
|
@wrapper_class@* @wrapper_class@::create(JS::GlobalObject& global_object, @fully_qualified_name@& impl)
|
|
{
|
|
return global_object.heap().allocate<@wrapper_class@>(global_object, global_object, impl);
|
|
}
|
|
|
|
)~~~");
|
|
|
|
if (interface.wrapper_base_class == "Wrapper") {
|
|
generator.append(R"~~~(
|
|
@wrapper_class@::@wrapper_class@(JS::GlobalObject& global_object, @fully_qualified_name@& impl)
|
|
: Wrapper(static_cast<WindowObject&>(global_object).ensure_web_prototype<@prototype_class@>("@name@"))
|
|
, m_impl(impl)
|
|
{
|
|
}
|
|
)~~~");
|
|
} else {
|
|
generator.append(R"~~~(
|
|
@wrapper_class@::@wrapper_class@(JS::GlobalObject& global_object, @fully_qualified_name@& impl)
|
|
: @wrapper_base_class@(global_object, impl)
|
|
{
|
|
set_prototype(&static_cast<WindowObject&>(global_object).ensure_web_prototype<@prototype_class@>("@name@"));
|
|
}
|
|
)~~~");
|
|
}
|
|
|
|
generator.append(R"~~~(
|
|
void @wrapper_class@::initialize(JS::GlobalObject& global_object)
|
|
{
|
|
@wrapper_base_class@::initialize(global_object);
|
|
}
|
|
|
|
@wrapper_class@::~@wrapper_class@()
|
|
{
|
|
}
|
|
)~~~");
|
|
|
|
if (should_emit_wrapper_factory(interface)) {
|
|
generator.append(R"~~~(
|
|
@wrapper_class@* wrap(JS::GlobalObject& global_object, @fully_qualified_name@& impl)
|
|
{
|
|
return static_cast<@wrapper_class@*>(wrap_impl(global_object, impl));
|
|
}
|
|
)~~~");
|
|
}
|
|
|
|
generator.append(R"~~~(
|
|
} // namespace Web::Bindings
|
|
)~~~");
|
|
|
|
outln("{}", generator.as_string_view());
|
|
}
|
|
|
|
static void generate_constructor_header(const IDL::Interface& interface)
|
|
{
|
|
StringBuilder builder;
|
|
SourceGenerator generator { builder };
|
|
|
|
generator.set("name", interface.name);
|
|
generator.set("fully_qualified_name", interface.fully_qualified_name);
|
|
generator.set("constructor_class", interface.constructor_class);
|
|
generator.set("constructor_class:snakecase", interface.constructor_class.to_snakecase());
|
|
|
|
generator.append(R"~~~(
|
|
#pragma once
|
|
|
|
#include <LibJS/Runtime/NativeFunction.h>
|
|
|
|
namespace Web::Bindings {
|
|
|
|
class @constructor_class@ : public JS::NativeFunction {
|
|
JS_OBJECT(@constructor_class@, JS::NativeFunction);
|
|
public:
|
|
explicit @constructor_class@(JS::GlobalObject&);
|
|
virtual void initialize(JS::GlobalObject&) override;
|
|
virtual ~@constructor_class@() override;
|
|
|
|
virtual JS::Value call() override;
|
|
virtual JS::Value construct(JS::Function& new_target) override;
|
|
|
|
private:
|
|
virtual bool has_constructor() const override { return true; }
|
|
};
|
|
|
|
} // namespace Web::Bindings
|
|
)~~~");
|
|
|
|
outln("{}", generator.as_string_view());
|
|
}
|
|
|
|
void generate_constructor_implementation(const IDL::Interface& interface)
|
|
{
|
|
StringBuilder builder;
|
|
SourceGenerator generator { builder };
|
|
|
|
generator.set("name", interface.name);
|
|
generator.set("prototype_class", interface.prototype_class);
|
|
generator.set("wrapper_class", interface.wrapper_class);
|
|
generator.set("constructor_class", interface.constructor_class);
|
|
generator.set("prototype_class:snakecase", interface.prototype_class.to_snakecase());
|
|
generator.set("fully_qualified_name", interface.fully_qualified_name);
|
|
|
|
generator.append(R"~~~(
|
|
#include <LibJS/Heap/Heap.h>
|
|
#include <LibJS/Runtime/GlobalObject.h>
|
|
#include <LibWeb/Bindings/@constructor_class@.h>
|
|
#include <LibWeb/Bindings/@prototype_class@.h>
|
|
#include <LibWeb/Bindings/@wrapper_class@.h>
|
|
#include <LibWeb/Bindings/ExceptionOrUtils.h>
|
|
#include <LibWeb/Bindings/WindowObject.h>
|
|
#if __has_include(<LibWeb/CSS/@name@.h>)
|
|
# include <LibWeb/CSS/@name@.h>
|
|
#elif __has_include(<LibWeb/DOM/@name@.h>)
|
|
# include <LibWeb/DOM/@name@.h>
|
|
#elif __has_include(<LibWeb/HTML/@name@.h>)
|
|
# include <LibWeb/HTML/@name@.h>
|
|
#elif __has_include(<LibWeb/UIEvents/@name@.h>)
|
|
# include <LibWeb/UIEvents/@name@.h>
|
|
#elif __has_include(<LibWeb/HighResolutionTime/@name@.h>)
|
|
# include <LibWeb/HighResolutionTime/@name@.h>
|
|
#elif __has_include(<LibWeb/NavigationTiming/@name@.h>)
|
|
# include <LibWeb/NavigationTiming/@name@.h>
|
|
#elif __has_include(<LibWeb/SVG/@name@.h>)
|
|
# include <LibWeb/SVG/@name@.h>
|
|
#elif __has_include(<LibWeb/XHR/@name@.h>)
|
|
# include <LibWeb/XHR/@name@.h>
|
|
#endif
|
|
|
|
// FIXME: This is a total hack until we can figure out the namespace for a given type somehow.
|
|
using namespace Web::CSS;
|
|
using namespace Web::DOM;
|
|
using namespace Web::HTML;
|
|
|
|
namespace Web::Bindings {
|
|
|
|
@constructor_class@::@constructor_class@(JS::GlobalObject& global_object)
|
|
: NativeFunction(*global_object.function_prototype())
|
|
{
|
|
}
|
|
|
|
@constructor_class@::~@constructor_class@()
|
|
{
|
|
}
|
|
|
|
JS::Value @constructor_class@::call()
|
|
{
|
|
vm().throw_exception<JS::TypeError>(global_object(), JS::ErrorType::ConstructorWithoutNew, "@name@");
|
|
return {};
|
|
}
|
|
|
|
JS::Value @constructor_class@::construct(Function&)
|
|
{
|
|
)~~~");
|
|
|
|
if (interface.constructors.is_empty()) {
|
|
// No constructor
|
|
generator.set("constructor.length", "0");
|
|
generator.append(R"~~~(
|
|
vm().throw_exception<JS::TypeError>(global_object(), JS::ErrorType::NotAConstructor, "@name@");
|
|
return {};
|
|
)~~~");
|
|
} else if (interface.constructors.size() == 1) {
|
|
// Single constructor
|
|
|
|
auto& constructor = interface.constructors[0];
|
|
generator.set("constructor.length", String::number(constructor.length()));
|
|
|
|
generator.append(R"~~~(
|
|
[[maybe_unused]] auto& vm = this->vm();
|
|
auto& global_object = this->global_object();
|
|
|
|
auto& window = static_cast<WindowObject&>(global_object);
|
|
)~~~");
|
|
|
|
if (!constructor.parameters.is_empty()) {
|
|
generate_argument_count_check(generator, constructor);
|
|
|
|
StringBuilder arguments_builder;
|
|
generate_arguments(generator, constructor.parameters, arguments_builder);
|
|
generator.set(".constructor_arguments", arguments_builder.string_view());
|
|
|
|
generator.append(R"~~~(
|
|
auto impl = throw_dom_exception_if_needed(vm, global_object, [&] { return @fully_qualified_name@::create_with_global_object(window, @.constructor_arguments@); });
|
|
)~~~");
|
|
} else {
|
|
generator.append(R"~~~(
|
|
auto impl = throw_dom_exception_if_needed(vm, global_object, [&] { return @fully_qualified_name@::create_with_global_object(window); });
|
|
)~~~");
|
|
}
|
|
generator.append(R"~~~(
|
|
if (should_return_empty(impl))
|
|
return JS::Value();
|
|
return @wrapper_class@::create(global_object, impl.release_value());
|
|
)~~~");
|
|
} else {
|
|
// Multiple constructor overloads - can't do that yet.
|
|
TODO();
|
|
}
|
|
|
|
generator.append(R"~~~(
|
|
}
|
|
|
|
void @constructor_class@::initialize(JS::GlobalObject& global_object)
|
|
{
|
|
auto& vm = this->vm();
|
|
auto& window = static_cast<WindowObject&>(global_object);
|
|
[[maybe_unused]] u8 default_attributes = JS::Attribute::Enumerable;
|
|
|
|
NativeFunction::initialize(global_object);
|
|
define_property(vm.names.prototype, &window.ensure_web_prototype<@prototype_class@>("@name@"), 0);
|
|
define_property(vm.names.length, JS::Value(@constructor.length@), JS::Attribute::Configurable);
|
|
|
|
)~~~");
|
|
|
|
for (auto& constant : interface.constants) {
|
|
auto constant_generator = generator.fork();
|
|
constant_generator.set("constant.name", constant.name);
|
|
constant_generator.set("constant.value", constant.value);
|
|
|
|
constant_generator.append(R"~~~(
|
|
define_property("@constant.name@", JS::Value((i32)@constant.value@), JS::Attribute::Enumerable);
|
|
)~~~");
|
|
}
|
|
|
|
generator.append(R"~~~(
|
|
}
|
|
|
|
} // namespace Web::Bindings
|
|
)~~~");
|
|
|
|
outln("{}", generator.as_string_view());
|
|
}
|
|
|
|
static void generate_prototype_header(const IDL::Interface& interface)
|
|
{
|
|
StringBuilder builder;
|
|
SourceGenerator generator { builder };
|
|
|
|
generator.set("name", interface.name);
|
|
generator.set("fully_qualified_name", interface.fully_qualified_name);
|
|
generator.set("prototype_class", interface.prototype_class);
|
|
generator.set("prototype_class:snakecase", interface.prototype_class.to_snakecase());
|
|
|
|
generator.append(R"~~~(
|
|
#pragma once
|
|
|
|
#include <LibJS/Runtime/Object.h>
|
|
|
|
namespace Web::Bindings {
|
|
|
|
class @prototype_class@ : public JS::Object {
|
|
JS_OBJECT(@prototype_class@, JS::Object);
|
|
public:
|
|
explicit @prototype_class@(JS::GlobalObject&);
|
|
virtual void initialize(JS::GlobalObject&) override;
|
|
virtual ~@prototype_class@() override;
|
|
private:
|
|
)~~~");
|
|
|
|
for (auto& function : interface.functions) {
|
|
auto function_generator = generator.fork();
|
|
function_generator.set("function.name:snakecase", function.name.to_snakecase());
|
|
function_generator.append(R"~~~(
|
|
JS_DECLARE_NATIVE_FUNCTION(@function.name:snakecase@);
|
|
)~~~");
|
|
}
|
|
|
|
for (auto& attribute : interface.attributes) {
|
|
auto attribute_generator = generator.fork();
|
|
attribute_generator.set("attribute.name:snakecase", attribute.name.to_snakecase());
|
|
attribute_generator.append(R"~~~(
|
|
JS_DECLARE_NATIVE_GETTER(@attribute.name:snakecase@_getter);
|
|
)~~~");
|
|
|
|
if (!attribute.readonly) {
|
|
attribute_generator.append(R"~~~(
|
|
JS_DECLARE_NATIVE_SETTER(@attribute.name:snakecase@_setter);
|
|
)~~~");
|
|
}
|
|
}
|
|
|
|
generator.append(R"~~~(
|
|
};
|
|
|
|
} // namespace Web::Bindings
|
|
)~~~");
|
|
|
|
outln("{}", generator.as_string_view());
|
|
}
|
|
|
|
void generate_prototype_implementation(const IDL::Interface& interface)
|
|
{
|
|
StringBuilder builder;
|
|
SourceGenerator generator { builder };
|
|
|
|
generator.set("name", interface.name);
|
|
generator.set("parent_name", interface.parent_name);
|
|
generator.set("prototype_class", interface.prototype_class);
|
|
generator.set("prototype_base_class", interface.prototype_base_class);
|
|
generator.set("wrapper_class", interface.wrapper_class);
|
|
generator.set("constructor_class", interface.constructor_class);
|
|
generator.set("prototype_class:snakecase", interface.prototype_class.to_snakecase());
|
|
generator.set("fully_qualified_name", interface.fully_qualified_name);
|
|
|
|
generator.append(R"~~~(
|
|
#include <AK/Function.h>
|
|
#include <LibJS/Runtime/Array.h>
|
|
#include <LibJS/Runtime/Error.h>
|
|
#include <LibJS/Runtime/Function.h>
|
|
#include <LibJS/Runtime/GlobalObject.h>
|
|
#include <LibJS/Runtime/Uint8ClampedArray.h>
|
|
#include <LibWeb/Bindings/@prototype_class@.h>
|
|
#include <LibWeb/Bindings/@wrapper_class@.h>
|
|
#include <LibWeb/Bindings/CSSStyleDeclarationWrapper.h>
|
|
#include <LibWeb/Bindings/CSSStyleSheetWrapper.h>
|
|
#include <LibWeb/Bindings/CanvasRenderingContext2DWrapper.h>
|
|
#include <LibWeb/Bindings/CommentWrapper.h>
|
|
#include <LibWeb/Bindings/DOMImplementationWrapper.h>
|
|
#include <LibWeb/Bindings/DocumentFragmentWrapper.h>
|
|
#include <LibWeb/Bindings/DocumentTypeWrapper.h>
|
|
#include <LibWeb/Bindings/DocumentWrapper.h>
|
|
#include <LibWeb/Bindings/EventTargetWrapperFactory.h>
|
|
#include <LibWeb/Bindings/EventWrapper.h>
|
|
#include <LibWeb/Bindings/EventWrapperFactory.h>
|
|
#include <LibWeb/Bindings/ExceptionOrUtils.h>
|
|
#include <LibWeb/Bindings/HTMLCanvasElementWrapper.h>
|
|
#include <LibWeb/Bindings/HTMLCollectionWrapper.h>
|
|
#include <LibWeb/Bindings/HTMLFormElementWrapper.h>
|
|
#include <LibWeb/Bindings/HTMLHeadElementWrapper.h>
|
|
#include <LibWeb/Bindings/HTMLImageElementWrapper.h>
|
|
#include <LibWeb/Bindings/ImageDataWrapper.h>
|
|
#include <LibWeb/Bindings/NodeWrapperFactory.h>
|
|
#include <LibWeb/Bindings/PerformanceTimingWrapper.h>
|
|
#include <LibWeb/Bindings/RangeWrapper.h>
|
|
#include <LibWeb/Bindings/StyleSheetListWrapper.h>
|
|
#include <LibWeb/Bindings/TextWrapper.h>
|
|
#include <LibWeb/Bindings/WindowObject.h>
|
|
#include <LibWeb/DOM/Element.h>
|
|
#include <LibWeb/DOM/EventListener.h>
|
|
#include <LibWeb/DOM/Range.h>
|
|
#include <LibWeb/DOM/Window.h>
|
|
#include <LibWeb/HTML/EventHandler.h>
|
|
#include <LibWeb/HTML/HTMLElement.h>
|
|
#include <LibWeb/NavigationTiming/PerformanceTiming.h>
|
|
#include <LibWeb/Origin.h>
|
|
|
|
#if __has_include(<LibWeb/Bindings/@prototype_base_class@.h>)
|
|
# include <LibWeb/Bindings/@prototype_base_class@.h>
|
|
#endif
|
|
#if __has_include(<LibWeb/CSS/@name@.h>)
|
|
# include <LibWeb/CSS/@name@.h>
|
|
#elif __has_include(<LibWeb/DOM/@name@.h>)
|
|
# include <LibWeb/DOM/@name@.h>
|
|
#elif __has_include(<LibWeb/HTML/@name@.h>)
|
|
# include <LibWeb/HTML/@name@.h>
|
|
#elif __has_include(<LibWeb/UIEvents/@name@.h>)
|
|
# include <LibWeb/UIEvents/@name@.h>
|
|
#elif __has_include(<LibWeb/HighResolutionTime/@name@.h>)
|
|
# include <LibWeb/HighResolutionTime/@name@.h>
|
|
#elif __has_include(<LibWeb/NavigationTiming/@name@.h>)
|
|
# include <LibWeb/NavigationTiming/@name@.h>
|
|
#elif __has_include(<LibWeb/SVG/@name@.h>)
|
|
# include <LibWeb/SVG/@name@.h>
|
|
#elif __has_include(<LibWeb/XHR/@name@.h>)
|
|
# include <LibWeb/XHR/@name@.h>
|
|
#endif
|
|
|
|
// FIXME: This is a total hack until we can figure out the namespace for a given type somehow.
|
|
using namespace Web::CSS;
|
|
using namespace Web::DOM;
|
|
using namespace Web::HTML;
|
|
using namespace Web::NavigationTiming;
|
|
using namespace Web::XHR;
|
|
|
|
namespace Web::Bindings {
|
|
|
|
@prototype_class@::@prototype_class@(JS::GlobalObject& global_object)
|
|
: Object(*global_object.object_prototype())
|
|
{
|
|
)~~~");
|
|
|
|
if (interface.name == "DOMException") {
|
|
// https://heycam.github.io/webidl/#es-DOMException-specialness
|
|
// Object.getPrototypeOf(DOMException.prototype) === Error.prototype
|
|
generator.append(R"~~~(
|
|
set_prototype(global_object.error_prototype());
|
|
)~~~");
|
|
} else if (!interface.parent_name.is_empty()) {
|
|
generator.append(R"~~~(
|
|
set_prototype(&static_cast<WindowObject&>(global_object).ensure_web_prototype<@prototype_base_class@>("@parent_name@"));
|
|
)~~~");
|
|
}
|
|
|
|
generator.append(R"~~~(
|
|
}
|
|
|
|
@prototype_class@::~@prototype_class@()
|
|
{
|
|
}
|
|
|
|
void @prototype_class@::initialize(JS::GlobalObject& global_object)
|
|
{
|
|
[[maybe_unused]] auto& vm = this->vm();
|
|
[[maybe_unused]] u8 default_attributes = JS::Attribute::Enumerable | JS::Attribute::Configurable;
|
|
|
|
)~~~");
|
|
|
|
for (auto& attribute : interface.attributes) {
|
|
auto attribute_generator = generator.fork();
|
|
attribute_generator.set("attribute.name", attribute.name);
|
|
attribute_generator.set("attribute.getter_callback", attribute.getter_callback_name);
|
|
|
|
if (attribute.readonly)
|
|
attribute_generator.set("attribute.setter_callback", "nullptr");
|
|
else
|
|
attribute_generator.set("attribute.setter_callback", attribute.setter_callback_name);
|
|
|
|
attribute_generator.append(R"~~~(
|
|
define_native_property("@attribute.name@", @attribute.getter_callback@, @attribute.setter_callback@, default_attributes);
|
|
)~~~");
|
|
}
|
|
|
|
for (auto& constant : interface.constants) {
|
|
auto constant_generator = generator.fork();
|
|
constant_generator.set("constant.name", constant.name);
|
|
constant_generator.set("constant.value", constant.value);
|
|
|
|
constant_generator.append(R"~~~(
|
|
define_property("@constant.name@", JS::Value((i32)@constant.value@), JS::Attribute::Enumerable);
|
|
)~~~");
|
|
}
|
|
|
|
for (auto& function : interface.functions) {
|
|
auto function_generator = generator.fork();
|
|
function_generator.set("function.name", function.name);
|
|
function_generator.set("function.name:snakecase", function.name.to_snakecase());
|
|
function_generator.set("function.length", String::number(function.length()));
|
|
|
|
function_generator.append(R"~~~(
|
|
define_native_function("@function.name@", @function.name:snakecase@, @function.length@, default_attributes);
|
|
)~~~");
|
|
}
|
|
|
|
generator.append(R"~~~(
|
|
Object::initialize(global_object);
|
|
}
|
|
)~~~");
|
|
|
|
if (!interface.attributes.is_empty() || !interface.functions.is_empty()) {
|
|
generator.append(R"~~~(
|
|
static @fully_qualified_name@* impl_from(JS::VM& vm, JS::GlobalObject& global_object)
|
|
{
|
|
auto* this_object = vm.this_value(global_object).to_object(global_object);
|
|
if (!this_object)
|
|
return {};
|
|
)~~~");
|
|
|
|
if (interface.name == "EventTarget") {
|
|
generator.append(R"~~~(
|
|
if (is<WindowObject>(this_object)) {
|
|
return &static_cast<WindowObject*>(this_object)->impl();
|
|
}
|
|
)~~~");
|
|
}
|
|
|
|
generator.append(R"~~~(
|
|
if (!is<@wrapper_class@>(this_object)) {
|
|
vm.throw_exception<JS::TypeError>(global_object, JS::ErrorType::NotA, "@fully_qualified_name@");
|
|
return nullptr;
|
|
}
|
|
|
|
return &static_cast<@wrapper_class@*>(this_object)->impl();
|
|
}
|
|
)~~~");
|
|
}
|
|
|
|
auto generate_return_statement = [&](auto& return_type) {
|
|
auto scoped_generator = generator.fork();
|
|
scoped_generator.set("return_type", return_type.name);
|
|
|
|
if (return_type.name == "undefined") {
|
|
scoped_generator.append(R"~~~(
|
|
return JS::js_undefined();
|
|
)~~~");
|
|
return;
|
|
}
|
|
|
|
if (return_type.nullable) {
|
|
if (return_type.is_string()) {
|
|
scoped_generator.append(R"~~~(
|
|
if (retval.is_null())
|
|
return JS::js_null();
|
|
)~~~");
|
|
} else {
|
|
scoped_generator.append(R"~~~(
|
|
if (!retval)
|
|
return JS::js_null();
|
|
)~~~");
|
|
}
|
|
}
|
|
|
|
if (return_type.is_string()) {
|
|
scoped_generator.append(R"~~~(
|
|
return JS::js_string(vm, retval);
|
|
)~~~");
|
|
} else if (return_type.name == "ArrayFromVector") {
|
|
// FIXME: Remove this fake type hack once it's no longer needed.
|
|
// Basically once we have NodeList we can throw this out.
|
|
scoped_generator.append(R"~~~(
|
|
auto* new_array = JS::Array::create(global_object);
|
|
for (auto& element : retval)
|
|
new_array->indexed_properties().append(wrap(global_object, element));
|
|
|
|
return new_array;
|
|
)~~~");
|
|
} else if (return_type.name == "boolean" || return_type.name == "double") {
|
|
scoped_generator.append(R"~~~(
|
|
return JS::Value(retval);
|
|
)~~~");
|
|
} else if (return_type.name == "short" || return_type.name == "unsigned short" || return_type.name == "long" || return_type.name == "unsigned long") {
|
|
scoped_generator.append(R"~~~(
|
|
return JS::Value((i32)retval);
|
|
)~~~");
|
|
} else if (return_type.name == "Uint8ClampedArray") {
|
|
scoped_generator.append(R"~~~(
|
|
return retval;
|
|
)~~~");
|
|
} else if (return_type.name == "EventHandler") {
|
|
scoped_generator.append(R"~~~(
|
|
return retval.callback.cell();
|
|
)~~~");
|
|
} else {
|
|
scoped_generator.append(R"~~~(
|
|
return wrap(global_object, const_cast<@return_type@&>(*retval));
|
|
)~~~");
|
|
}
|
|
};
|
|
|
|
for (auto& attribute : interface.attributes) {
|
|
auto attribute_generator = generator.fork();
|
|
attribute_generator.set("attribute.getter_callback", attribute.getter_callback_name);
|
|
attribute_generator.set("attribute.setter_callback", attribute.setter_callback_name);
|
|
attribute_generator.set("attribute.name:snakecase", attribute.name.to_snakecase());
|
|
|
|
if (attribute.extended_attributes.contains("ImplementedAs")) {
|
|
auto implemented_as = attribute.extended_attributes.get("ImplementedAs").value();
|
|
attribute_generator.set("attribute.cpp_getter_name", implemented_as);
|
|
} else {
|
|
attribute_generator.set("attribute.cpp_getter_name", attribute.name.to_snakecase());
|
|
}
|
|
|
|
if (attribute.extended_attributes.contains("Reflect")) {
|
|
auto attribute_name = attribute.extended_attributes.get("Reflect").value();
|
|
if (attribute_name.is_null())
|
|
attribute_name = attribute.name;
|
|
attribute_name = make_input_acceptable_cpp(attribute_name);
|
|
|
|
attribute_generator.set("attribute.reflect_name", attribute_name);
|
|
} else {
|
|
attribute_generator.set("attribute.reflect_name", attribute.name.to_snakecase());
|
|
}
|
|
|
|
attribute_generator.append(R"~~~(
|
|
JS_DEFINE_NATIVE_GETTER(@prototype_class@::@attribute.getter_callback@)
|
|
{
|
|
auto* impl = impl_from(vm, global_object);
|
|
if (!impl)
|
|
return {};
|
|
)~~~");
|
|
|
|
if (attribute.extended_attributes.contains("ReturnNullIfCrossOrigin")) {
|
|
attribute_generator.append(R"~~~(
|
|
if (!impl->may_access_from_origin(static_cast<WindowObject&>(global_object).origin()))
|
|
return JS::js_null();
|
|
)~~~");
|
|
}
|
|
|
|
if (attribute.extended_attributes.contains("Reflect")) {
|
|
if (attribute.type.name != "boolean") {
|
|
attribute_generator.append(R"~~~(
|
|
auto retval = impl->attribute(HTML::AttributeNames::@attribute.reflect_name@);
|
|
)~~~");
|
|
} else {
|
|
attribute_generator.append(R"~~~(
|
|
auto retval = impl->has_attribute(HTML::AttributeNames::@attribute.reflect_name@);
|
|
)~~~");
|
|
}
|
|
} else {
|
|
attribute_generator.append(R"~~~(
|
|
auto retval = impl->@attribute.cpp_getter_name@();
|
|
)~~~");
|
|
}
|
|
|
|
generate_return_statement(attribute.type);
|
|
|
|
attribute_generator.append(R"~~~(
|
|
}
|
|
)~~~");
|
|
|
|
if (!attribute.readonly) {
|
|
attribute_generator.append(R"~~~(
|
|
JS_DEFINE_NATIVE_SETTER(@prototype_class@::@attribute.setter_callback@)
|
|
{
|
|
auto* impl = impl_from(vm, global_object);
|
|
if (!impl)
|
|
return;
|
|
)~~~");
|
|
|
|
generate_to_cpp(generator, attribute, "value", "", "cpp_value", true, attribute.extended_attributes.contains("LegacyNullToEmptyString"));
|
|
|
|
if (attribute.extended_attributes.contains("Reflect")) {
|
|
if (attribute.type.name != "boolean") {
|
|
attribute_generator.append(R"~~~(
|
|
impl->set_attribute(HTML::AttributeNames::@attribute.reflect_name@, cpp_value);
|
|
)~~~");
|
|
} else {
|
|
attribute_generator.append(R"~~~(
|
|
if (!cpp_value)
|
|
impl->remove_attribute(HTML::AttributeNames::@attribute.reflect_name@);
|
|
else
|
|
impl->set_attribute(HTML::AttributeNames::@attribute.reflect_name@, String::empty());
|
|
)~~~");
|
|
}
|
|
} else {
|
|
attribute_generator.append(R"~~~(
|
|
impl->set_@attribute.name:snakecase@(cpp_value);
|
|
)~~~");
|
|
}
|
|
|
|
attribute_generator.append(R"~~~(
|
|
}
|
|
)~~~");
|
|
}
|
|
}
|
|
|
|
// Implementation: Functions
|
|
for (auto& function : interface.functions) {
|
|
auto function_generator = generator.fork();
|
|
function_generator.set("function.name", function.name);
|
|
function_generator.set("function.name:snakecase", function.name.to_snakecase());
|
|
|
|
if (function.extended_attributes.contains("ImplementedAs")) {
|
|
auto implemented_as = function.extended_attributes.get("ImplementedAs").value();
|
|
function_generator.set("function.cpp_name", implemented_as);
|
|
} else {
|
|
function_generator.set("function.cpp_name", function.name.to_snakecase());
|
|
}
|
|
|
|
function_generator.append(R"~~~(
|
|
JS_DEFINE_NATIVE_FUNCTION(@prototype_class@::@function.name:snakecase@)
|
|
{
|
|
auto* impl = impl_from(vm, global_object);
|
|
if (!impl)
|
|
return {};
|
|
)~~~");
|
|
|
|
generate_argument_count_check(generator, function);
|
|
|
|
StringBuilder arguments_builder;
|
|
generate_arguments(generator, function.parameters, arguments_builder);
|
|
function_generator.set(".arguments", arguments_builder.string_view());
|
|
|
|
function_generator.append(R"~~~(
|
|
auto result = throw_dom_exception_if_needed(vm, global_object, [&] { return impl->@function.cpp_name@(@.arguments@); });
|
|
if (should_return_empty(result))
|
|
return JS::Value();
|
|
|
|
[[maybe_unused]] auto retval = result.release_value();
|
|
)~~~");
|
|
|
|
generate_return_statement(function.return_type);
|
|
|
|
function_generator.append(R"~~~(
|
|
}
|
|
)~~~");
|
|
}
|
|
|
|
generator.append(R"~~~(
|
|
} // namespace Web::Bindings
|
|
)~~~");
|
|
|
|
outln("{}", generator.as_string_view());
|
|
}
|