mirror of
https://github.com/SerenityOS/serenity.git
synced 2025-01-24 18:32:28 -05:00
84e41c4565
After this commit, Parser::index_of_node_at will prefer to return nodes with greater indices. Since the parsing logic ensures that child nodes come after parent nodes, this change makes this function return child nodes when possible.
138 lines
3.9 KiB
C++
138 lines
3.9 KiB
C++
/*
|
|
* Copyright (c) 2020, the SerenityOS developers.
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/StringView.h>
|
|
#include <AK/Types.h>
|
|
|
|
namespace Cpp {
|
|
|
|
#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(LessGreater) \
|
|
__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(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(ColonColon) \
|
|
__TOKEN(ColonColonAsterisk) \
|
|
__TOKEN(Semicolon) \
|
|
__TOKEN(Dot) \
|
|
__TOKEN(DotAsterisk) \
|
|
__TOKEN(Arrow) \
|
|
__TOKEN(ArrowAsterisk) \
|
|
__TOKEN(DoubleQuotedString) \
|
|
__TOKEN(SingleQuotedString) \
|
|
__TOKEN(RawString) \
|
|
__TOKEN(EscapeSequence) \
|
|
__TOKEN(Comment) \
|
|
__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<(const Position&) const;
|
|
bool operator<=(const Position&) const;
|
|
bool operator>(const Position&) const;
|
|
bool operator==(const Position&) const;
|
|
};
|
|
|
|
struct Token {
|
|
enum class Type {
|
|
#define __TOKEN(x) x,
|
|
FOR_EACH_TOKEN_TYPE
|
|
#undef __TOKEN
|
|
};
|
|
|
|
Token(Type type, const Position& start, const Position& end, const StringView& text)
|
|
: m_type(type)
|
|
, m_start(start)
|
|
, m_end(end)
|
|
, m_text(text)
|
|
{
|
|
}
|
|
|
|
static const char* type_to_string(Type t)
|
|
{
|
|
switch (t) {
|
|
#define __TOKEN(x) \
|
|
case Type::x: \
|
|
return #x;
|
|
FOR_EACH_TOKEN_TYPE
|
|
#undef __TOKEN
|
|
}
|
|
VERIFY_NOT_REACHED();
|
|
}
|
|
|
|
const char* to_string() const
|
|
{
|
|
return type_to_string(m_type);
|
|
}
|
|
const Position& start() const { return m_start; }
|
|
const Position& end() const { return m_end; }
|
|
|
|
void set_start(const Position& other) { m_start = other; }
|
|
void set_end(const Position& other) { m_end = other; }
|
|
Type type() const { return m_type; }
|
|
const StringView& text() const { return m_text; }
|
|
|
|
private:
|
|
Type m_type { Type::Unknown };
|
|
Position m_start;
|
|
Position m_end;
|
|
StringView m_text;
|
|
};
|
|
|
|
}
|