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https://github.com/LadybirdBrowser/ladybird.git
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971e466521
Duplicates can show up when copy-pasting IDL snippets into existing IDL files, and the resulting error is extremely useless and misleading. This commit makes it so the parser catches these cases, and emits a more helpful error like "Overload set 'instantiate' contains multiple identical declarations".
75 lines
2.8 KiB
C++
75 lines
2.8 KiB
C++
/*
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* Copyright (c) 2020-2023, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
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* Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
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* Copyright (c) 2022, Ali Mohammad Pur <mpfard@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/CharacterTypes.h>
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#include <AK/GenericLexer.h>
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#include <LibIDL/Types.h>
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namespace IDL {
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class Parser {
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public:
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Parser(ByteString filename, StringView contents, ByteString import_base_path);
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Interface& parse();
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Vector<ByteString> imported_files() const;
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private:
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// https://webidl.spec.whatwg.org/#dfn-special-operation
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// A special operation is a getter, setter or deleter.
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enum class IsSpecialOperation {
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No,
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Yes,
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};
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Parser(Parser* parent, ByteString filename, StringView contents, ByteString import_base_path);
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void assert_specific(char ch);
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void assert_string(StringView expected);
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void consume_whitespace();
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Optional<Interface&> resolve_import(auto path);
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HashMap<ByteString, ByteString> parse_extended_attributes();
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void parse_attribute(HashMap<ByteString, ByteString>& extended_attributes, Interface&);
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void parse_interface(Interface&);
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void parse_namespace(Interface&);
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void parse_non_interface_entities(bool allow_interface, Interface&);
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void parse_enumeration(HashMap<ByteString, ByteString>, Interface&);
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void parse_typedef(Interface&);
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void parse_interface_mixin(Interface&);
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void parse_dictionary(Interface&);
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void parse_callback_function(HashMap<ByteString, ByteString>& extended_attributes, Interface&);
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void parse_constructor(HashMap<ByteString, ByteString>& extended_attributes, Interface&);
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void parse_getter(HashMap<ByteString, ByteString>& extended_attributes, Interface&);
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void parse_setter(HashMap<ByteString, ByteString>& extended_attributes, Interface&);
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void parse_deleter(HashMap<ByteString, ByteString>& extended_attributes, Interface&);
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void parse_stringifier(HashMap<ByteString, ByteString>& extended_attributes, Interface&);
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void parse_iterable(Interface&);
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Function parse_function(HashMap<ByteString, ByteString>& extended_attributes, Interface&, IsSpecialOperation is_special_operation = IsSpecialOperation::No);
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Vector<Parameter> parse_parameters();
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NonnullRefPtr<Type const> parse_type();
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void parse_constant(Interface&);
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ByteString import_base_path;
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ByteString filename;
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StringView input;
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LineTrackingLexer lexer;
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HashTable<NonnullOwnPtr<Interface>>& top_level_interfaces();
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HashTable<NonnullOwnPtr<Interface>> interfaces;
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HashMap<ByteString, Interface*>& top_level_resolved_imports();
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HashMap<ByteString, Interface*> resolved_imports;
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Parser* top_level_parser();
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Parser* parent = nullptr;
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};
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}
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