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Rewrote preprocesser API

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This C++ rewrite allows me to rewrite the actual API of the system.
In particular, I'm no longer restricting myself to just using enums
then figuring out a way to get proper error logging later down the
line (through tracking tokens in the buffer internally, for example).

Instead I can now design error structures which hold references to the
token they occurred on as well as possible lexical errors (if they're
a FILE_LEXICAL_ERROR which occurs due to the ~%USE~ macro).  This
means it's a lot easier to write error logging now at the top level.
This commit is contained in:
Aryadev Chavali
2024-04-15 04:37:43 +06:30
parent 72ef40e671
commit 062ed12278
1 changed files with 25 additions and 7 deletions
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32
asm/preprocesser.hpp
View File

@@ -12,11 +12,12 @@
#ifndef PREPROCESSER_HPP
#define PREPROCESSER_HPP
#include <ostream>
#include <tuple>
#include "./lexer.hpp"
enum pp_err_t
enum pp_err_type_t
{
OK = 0,
EXPECTED_NAME,
@@ -27,13 +28,30 @@ enum pp_err_t
UNKNOWN_NAME,
};
std::pair<std::vector<token_t>, pp_err_t>
preprocesser(const std::vector<token_t> &);
struct pp_err_t
{
const token_t *reference;
pp_err_type_t type;
lerr_t lerr;
std::pair<std::vector<token_t>, pp_err_t>
preprocess_macro_blocks(const std::vector<token_t> &);
pp_err_t(pp_err_type_t);
pp_err_t(pp_err_type_t, const token_t *);
pp_err_t(pp_err_type_t, const token_t *, lerr_t);
};
std::pair<std::vector<token_t>, pp_err_t>
preprocess_use_blocks(const std::vector<token_t> &);
std::ostream &operator<<(std::ostream &, pp_err_t &);
std::pair<std::vector<token_t *>, pp_err_t>
preprocesser(std::vector<token_t *> &);
std::pair<std::vector<token_t *>, pp_err_t>
preprocess_const_blocks(std::vector<token_t *> &);
std::pair<std::vector<token_t *>, pp_err_t>
preprocess_use_blocks(std::vector<token_t *> &);
// TODO: Implement this
std::pair<std::vector<token_t *>, pp_err_t>
preprocess_macro_blocks(std::vector<token_t *> &);
#endif