#include "lexer.h"

struct decl;
struct expr;

struct parser {
    /* Lexical analyzer */
    struct lexer lex;
    /* Lookahead token */
    struct token cur;
    /* Location of the lookahead token */
    struct location loc;
};

/* Initialize parser */
void init_parser(struct parser *p, FILE *in);

/* Parse a single declaration */
struct decl *parse_decl(struct parser *p);

/* Parse a single expression */
struct expr *parse_expr(struct parser *p);

/* Parse a list of declarations */
struct decl_list *parse_program(struct parser *p);