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/*
* Copyright (c) 2020, Stephan Unverwerth <s.unverwerth@gmx.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/String.h>
#include <AK/StringView.h>
namespace JS {
enum class TokenType {
Ampersand,
AmpersandEquals,
Asterisk,
AsteriskEquals,
BoolLiteral,
BracketClose,
BracketOpen,
Catch,
Class,
Comma,
Const,
CurlyClose,
CurlyOpen,
Delete,
Do,
DoubleAmpersand,
DoublePipe,
Else,
Eof,
Equals,
EqualsEquals,
EqualsEqualsEquals,
ExclamationMark,
ExclamationMarkEquals,
ExclamationMarkEqualsEquals,
Finally,
For,
Function,
GreaterThan,
GreaterThanEquals,
Identifier,
If,
Interface,
Invalid,
LessThan,
LessThanEquals,
Let,
Minus,
MinusEquals,
MinusMinus,
New,
NullLiteral,
NumericLiteral,
ParenClose,
ParenOpen,
Percent,
PercentEquals,
Period,
Pipe,
PipeEquals,
Plus,
PlusEquals,
PlusPlus,
QuestionMark,
RegexLiteral,
Return,
Semicolon,
ShiftLeft,
ShiftRight,
Slash,
SlashEquals,
StringLiteral,
Try,
Var,
While
};
class Token {
public:
Token(TokenType type, StringView trivia, StringView value)
: m_type(type)
, m_trivia(trivia)
, m_value(value)
{
}
TokenType type() const { return m_type; }
const char* name() const;
static const char* name(TokenType);
const StringView& trivia() const { return m_trivia; }
const StringView& value() const { return m_value; }
double double_value() const;
String string_value() const;
bool bool_value() const;
private:
TokenType m_type;
StringView m_trivia;
StringView m_value;
};
}
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