#ifndef __PARSER_H__
#define __PARSER_H__

#include "../frontend.h"
#include "../lexer/lexer.h"
// #include "symbol_table/symtab.h"
// #include "ast/ast.h"

#define PARSER_MAX_TOKEN_QUEUE 16

struct Parser {
    struct ASTNode* root;
    struct ASTNode* cur_node;
    
    struct Lexer* lexer;
    struct SymbolTable* symtab;
    int cur_idx;
    int peek_idx;
    int end_idx;
    int size;
    struct Token TokenBuffer[PARSER_MAX_TOKEN_QUEUE];
    int err_level;
};

void init_parser(struct Parser* parser, struct Lexer* lexer, struct SymbolTable* symtab);
void run_parser(struct Parser* parser);
void flushpeektok(struct Parser* parser);
int poptok(struct Parser* parser);
struct Token* peektok(struct Parser* parser);
enum TokenType peektoktype(struct Parser* parser);
void expecttok(struct Parser* parser, enum TokenType type);

#endif