ladybird/Userland/Libraries/LibGUI/GMLLexer.h
Brian Gianforcaro 1682f0b760 Everything: Move to SPDX license identifiers in all files.
SPDX License Identifiers are a more compact / standardized
way of representing file license information.

See: https://spdx.dev/resources/use/#identifiers

This was done with the `ambr` search and replace tool.

 ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
2021-04-22 11:22:27 +02:00

70 lines
1.2 KiB
C++

/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/StringView.h>
namespace GUI {
#define FOR_EACH_TOKEN_TYPE \
__TOKEN(Unknown) \
__TOKEN(Comment) \
__TOKEN(ClassMarker) \
__TOKEN(ClassName) \
__TOKEN(LeftCurly) \
__TOKEN(RightCurly) \
__TOKEN(Identifier) \
__TOKEN(Colon) \
__TOKEN(JsonValue)
struct GMLPosition {
size_t line;
size_t column;
};
struct GMLToken {
enum class Type {
#define __TOKEN(x) x,
FOR_EACH_TOKEN_TYPE
#undef __TOKEN
};
const char* to_string() const
{
switch (m_type) {
#define __TOKEN(x) \
case Type::x: \
return #x;
FOR_EACH_TOKEN_TYPE
#undef __TOKEN
}
VERIFY_NOT_REACHED();
}
Type m_type { Type::Unknown };
StringView m_view;
GMLPosition m_start;
GMLPosition m_end;
};
class GMLLexer {
public:
GMLLexer(const StringView&);
Vector<GMLToken> lex();
private:
char peek(size_t offset = 0) const;
char consume();
StringView m_input;
size_t m_index { 0 };
GMLPosition m_previous_position { 0, 0 };
GMLPosition m_position { 0, 0 };
};
}