2025-03-05 15:45:19 +08:00

34 lines
841 B
C

#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