ruby/yarp/node.h

34 строки
1.1 KiB
C

#ifndef YARP_NODE_H
#define YARP_NODE_H
#include "yarp/defines.h"
#include "yarp/parser.h"
// Append a token to the given list.
void yp_location_list_append(yp_location_list_t *list, const yp_token_t *token);
// Append a new node onto the end of the node list.
void yp_node_list_append(yp_node_list_t *list, yp_node_t *node);
// Clear the node but preserves the location.
void yp_node_clear(yp_node_t *node);
// Deallocate a node and all of its children.
YP_EXPORTED_FUNCTION void yp_node_destroy(yp_parser_t *parser, struct yp_node *node);
// This struct stores the information gathered by the yp_node_memsize function.
// It contains both the memory footprint and additionally metadata about the
// shape of the tree.
typedef struct {
size_t memsize;
size_t node_count;
} yp_memsize_t;
// Calculates the memory footprint of a given node.
YP_EXPORTED_FUNCTION void yp_node_memsize(yp_node_t *node, yp_memsize_t *memsize);
#define YP_EMPTY_NODE_LIST ((yp_node_list_t) { .nodes = NULL, .size = 0, .capacity = 0 })
#define YP_EMPTY_LOCATION_LIST ((yp_location_list_t) { .locations = NULL, .size = 0, .capacity = 0 })
#endif // YARP_NODE_H