mirror of
				https://github.com/RGBCube/serenity
				synced 2025-10-31 21:22:46 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			133 lines
		
	
	
	
		
			3.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			133 lines
		
	
	
	
		
			3.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
 | |
|  * Copyright (c) 2023, the SerenityOS developers.
 | |
|  *
 | |
|  * SPDX-License-Identifier: BSD-2-Clause
 | |
|  */
 | |
| 
 | |
| #pragma once
 | |
| 
 | |
| #include <AK/StringView.h>
 | |
| #include <AK/Types.h>
 | |
| 
 | |
| namespace GLSL {
 | |
| 
 | |
| #define FOR_EACH_TOKEN_TYPE        \
 | |
|     __TOKEN(Unknown)               \
 | |
|     __TOKEN(Whitespace)            \
 | |
|     __TOKEN(PreprocessorStatement) \
 | |
|     __TOKEN(IncludeStatement)      \
 | |
|     __TOKEN(IncludePath)           \
 | |
|     __TOKEN(LeftParen)             \
 | |
|     __TOKEN(RightParen)            \
 | |
|     __TOKEN(LeftCurly)             \
 | |
|     __TOKEN(RightCurly)            \
 | |
|     __TOKEN(LeftBracket)           \
 | |
|     __TOKEN(RightBracket)          \
 | |
|     __TOKEN(Less)                  \
 | |
|     __TOKEN(Greater)               \
 | |
|     __TOKEN(LessEquals)            \
 | |
|     __TOKEN(GreaterEquals)         \
 | |
|     __TOKEN(LessLess)              \
 | |
|     __TOKEN(GreaterGreater)        \
 | |
|     __TOKEN(LessLessEquals)        \
 | |
|     __TOKEN(GreaterGreaterEquals)  \
 | |
|     __TOKEN(Comma)                 \
 | |
|     __TOKEN(Plus)                  \
 | |
|     __TOKEN(PlusPlus)              \
 | |
|     __TOKEN(PlusEquals)            \
 | |
|     __TOKEN(Minus)                 \
 | |
|     __TOKEN(MinusMinus)            \
 | |
|     __TOKEN(MinusEquals)           \
 | |
|     __TOKEN(Asterisk)              \
 | |
|     __TOKEN(AsteriskEquals)        \
 | |
|     __TOKEN(Slash)                 \
 | |
|     __TOKEN(SlashEquals)           \
 | |
|     __TOKEN(Percent)               \
 | |
|     __TOKEN(PercentEquals)         \
 | |
|     __TOKEN(Caret)                 \
 | |
|     __TOKEN(CaretCaret)            \
 | |
|     __TOKEN(CaretEquals)           \
 | |
|     __TOKEN(ExclamationMark)       \
 | |
|     __TOKEN(ExclamationMarkEquals) \
 | |
|     __TOKEN(Equals)                \
 | |
|     __TOKEN(EqualsEquals)          \
 | |
|     __TOKEN(And)                   \
 | |
|     __TOKEN(AndAnd)                \
 | |
|     __TOKEN(AndEquals)             \
 | |
|     __TOKEN(Pipe)                  \
 | |
|     __TOKEN(PipePipe)              \
 | |
|     __TOKEN(PipeEquals)            \
 | |
|     __TOKEN(Tilde)                 \
 | |
|     __TOKEN(QuestionMark)          \
 | |
|     __TOKEN(Colon)                 \
 | |
|     __TOKEN(Semicolon)             \
 | |
|     __TOKEN(Dot)                   \
 | |
|     __TOKEN(DoubleQuotedString)    \
 | |
|     __TOKEN(SingleQuotedString)    \
 | |
|     __TOKEN(RawString)             \
 | |
|     __TOKEN(EscapeSequence)        \
 | |
|     __TOKEN(Integer)               \
 | |
|     __TOKEN(Float)                 \
 | |
|     __TOKEN(Keyword)               \
 | |
|     __TOKEN(KnownType)             \
 | |
|     __TOKEN(Identifier)            \
 | |
|     __TOKEN(EOF_TOKEN)
 | |
| 
 | |
| struct Position {
 | |
|     size_t line { 0 };
 | |
|     size_t column { 0 };
 | |
| 
 | |
|     bool operator<(Position const&) const;
 | |
|     bool operator<=(Position const&) const;
 | |
|     bool operator>(Position const&) const;
 | |
|     bool operator==(Position const&) const;
 | |
| };
 | |
| 
 | |
| struct Token {
 | |
|     enum class Type {
 | |
| #define __TOKEN(x) x,
 | |
|         FOR_EACH_TOKEN_TYPE
 | |
| #undef __TOKEN
 | |
|     };
 | |
| 
 | |
|     Token(Type type, Position const& start, Position const& end, StringView text)
 | |
|         : m_type(type)
 | |
|         , m_start(start)
 | |
|         , m_end(end)
 | |
|         , m_text(text)
 | |
|     {
 | |
|     }
 | |
| 
 | |
|     static char const* type_to_string(Type t)
 | |
|     {
 | |
|         switch (t) {
 | |
| #define __TOKEN(x) \
 | |
|     case Type::x:  \
 | |
|         return #x;
 | |
|             FOR_EACH_TOKEN_TYPE
 | |
| #undef __TOKEN
 | |
|         }
 | |
|         VERIFY_NOT_REACHED();
 | |
|     }
 | |
| 
 | |
|     ErrorOr<String> to_string() const;
 | |
|     ErrorOr<String> type_as_string() const;
 | |
| 
 | |
|     Position const& start() const { return m_start; }
 | |
|     Position const& end() const { return m_end; }
 | |
| 
 | |
|     void set_start(Position const& other) { m_start = other; }
 | |
|     void set_end(Position const& other) { m_end = other; }
 | |
|     Type type() const { return m_type; }
 | |
|     StringView text() const { return m_text; }
 | |
| 
 | |
| private:
 | |
|     Type m_type { Type::Unknown };
 | |
|     Position m_start;
 | |
|     Position m_end;
 | |
|     StringView m_text;
 | |
| };
 | |
| 
 | |
| }
 | |
| 
 | |
| #undef FOR_EACH_TOKEN_TYPE
 | 
