#pragma once
#include "../std.h"
#include "../collections/List.h"
#include "token.h"

List_declare(Token);

typedef enum CompilerState {
    CompilerState_Initial,
    CompilerState_LexemaRecognition,
    CompilerState_ReadingComment,
    CompilerState_ReadingLabel,
    CompilerState_ReadingInstruction,
    CompilerState_ReadingArguments,
    CompilerState_ReadingData,
    CompilerState_Error,
    CompilerState_Success
} CompilerState;

typedef struct Compiler {
    const char* code;
    size_t code_len;
    char* out_buffer;
    size_t out_len;

    u32 line;       // > 0 if code parsing started
    u32 column;     // > 0 if code parsing started
    NULLABLE(char* error_message);
    CompilerState state;
    List_Token tokens;
} Compiler;

void Compiler_init(Compiler* cmp);
void Compiler_free(Compiler* cmp);

/// @brief compile assembly language code to machine code
/// @return true if no errors, false if any error occured (check cmp->error_message)
bool Compiler_compileTasm(Compiler* cmp, const char* restrict code, size_t code_len, char* restrict out_buffer, size_t out_len);

#define Compiler_setError(cmp, format, ...) _Compiler_setError(cmp, __func__, format ,##__VA_ARGS__)
void _Compiler_setError(Compiler* cmp, const char* context, const char* format, ...) __attribute__((__format__(__printf__, 3, 4)));