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mirror of synced 2024-11-18 21:07:12 +01:00
ImHex/include/lang/lexer.hpp
WerWolv 78ef07cf0f
Pattern Language rewrite (#111)
* Initial parser rewrite effort

Lexer and Token cleanup, Parser started over

* Greatly improved parser syntax

* Reimplemented using declarations and variable placement parsing

* Added back unions and structs

* Added enums as well as mathematical expressions (+, -, *, /, <<, >>, &, |, ^)

* Code style improvement

* Implemented arrays and fixed memory issues

* Fixed more memory issues in parser, reimplemented validator, evaluator and patterns

* Fixed builtin types, arrays and reimplemented strings

* Improved error messages

* Made character a distinct type, used for chars and strings

* Implemented padding, fixed arrays

* Added bitfields

* Added rvalue parsing, no evaluating yet

* Added .idea folder to gitignore

* Fixed build on MacOS

* Added custom implementation of integral concept if not available

* Rebased onto master

* Fixed array variable decl crash

* Added rvalues and dot syntax

* Lower case all pattern language error messages

* Fixed typo in variable name

* Fixed bug where preprocessor would not ignore commented out directives

* Reimplemented pointers

* Fixed rebase issues
2021-01-02 20:27:11 +01:00

31 lines
637 B
C++

#pragma once
#include <hex.hpp>
#include "token.hpp"
#include <optional>
#include <string>
#include <vector>
namespace hex::lang {
class Lexer {
public:
Lexer();
std::optional<std::vector<Token>> lex(const std::string& code);
const std::pair<u32, std::string>& getError() { return this->m_error; }
private:
std::pair<u32, std::string> m_error;
using LexerError = std::pair<u32, std::string>;
[[noreturn]] void throwLexerError(std::string_view error, u32 lineNumber) const {
throw LexerError(lineNumber, "Lexer: " + std::string(error));
}
};
}