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8b39074078
This was causing some macro redefinition errors after the headers ended up in the same file through some includes. The simple fix is to undefine the macro after use.
71 lines
1.2 KiB
C++
71 lines
1.2 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@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/StringView.h>
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namespace GUI::GML {
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#define FOR_EACH_TOKEN_TYPE \
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__TOKEN(Unknown) \
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__TOKEN(Comment) \
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__TOKEN(ClassMarker) \
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__TOKEN(ClassName) \
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__TOKEN(LeftCurly) \
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__TOKEN(RightCurly) \
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__TOKEN(Identifier) \
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__TOKEN(Colon) \
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__TOKEN(JsonValue)
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struct Position {
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size_t line;
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size_t column;
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};
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struct Token {
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enum class Type {
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#define __TOKEN(x) x,
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FOR_EACH_TOKEN_TYPE
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#undef __TOKEN
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};
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char const* to_string() const
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{
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switch (m_type) {
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#define __TOKEN(x) \
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case Type::x: \
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return #x;
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FOR_EACH_TOKEN_TYPE
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#undef __TOKEN
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}
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VERIFY_NOT_REACHED();
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}
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Type m_type { Type::Unknown };
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StringView m_view;
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Position m_start;
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Position m_end;
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};
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class Lexer {
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public:
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Lexer(StringView);
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Vector<Token> lex();
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private:
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char peek(size_t offset = 0) const;
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char consume();
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StringView m_input;
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size_t m_index { 0 };
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Position m_position { 0, 0 };
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};
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}
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#undef FOR_EACH_TOKEN_TYPE
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