#include <string.h>
#include <stdlib.h>
#include <mips.h>
#include <merror.h>
#include <mlimits.h>

#include "parse.h"

#define RELTBL_INIT_LEN 8

int reftbl_init(struct reference_table *ref_tbl)
{
	ref_tbl->len = RELTBL_INIT_LEN;
	ref_tbl->count = 0;
        ref_tbl->references = malloc(sizeof(struct reference) *
				     RELTBL_INIT_LEN);

        if (ref_tbl->references == NULL) {
                ERROR("cannot alloc");
                return M_ERROR;
        }

	return M_SUCCESS;
}

void reftbl_free(struct reference_table *ref_tbl)
{
	free(ref_tbl->references);
}

int reftbl_push(struct reference_table *ref_tbl, struct reference reference)
{
	if (ref_tbl->count >= ref_tbl->len) {
		ref_tbl->len *= 2;
		ref_tbl->references = realloc(ref_tbl->references,
				sizeof(struct reference) * ref_tbl->len);

		if (ref_tbl->references == NULL) {
			ERROR("cannot realloc");
			return M_ERROR;
		}
	}

	ref_tbl->references[ref_tbl->count++] = reference;

	return M_SUCCESS;
}