1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
/**
* @file node.h
*
* Functions related to nodes in the AST.
*/
#ifndef PRISM_NODE_H
#define PRISM_NODE_H
#include "prism/defines.h"
#include "prism/parser.h"
/**
* Append a new node onto the end of the node list.
*
* @param list The list to append to.
* @param node The node to append.
*/
void pm_node_list_append(pm_node_list_t *list, pm_node_t *node);
/**
* Deallocate a node and all of its children.
*
* @param parser The parser that owns the node.
* @param node The node to deallocate.
*/
PRISM_EXPORTED_FUNCTION void pm_node_destroy(pm_parser_t *parser, struct pm_node *node);
/**
* This struct stores the information gathered by the pm_node_memsize function.
* It contains both the memory footprint and additionally metadata about the
* shape of the tree.
*/
typedef struct {
/** The total memory footprint of the node and all of its children. */
size_t memsize;
/** The number of children the node has. */
size_t node_count;
} pm_memsize_t;
/**
* Calculates the memory footprint of a given node.
*
* @param node The node to calculate the memory footprint of.
* @param memsize The memory footprint of the node and all of its children.
*/
PRISM_EXPORTED_FUNCTION void pm_node_memsize(pm_node_t *node, pm_memsize_t *memsize);
/**
* Returns a string representation of the given node type.
*
* @param node_type The node type to convert to a string.
* @return A string representation of the given node type.
*/
PRISM_EXPORTED_FUNCTION const char * pm_node_type_to_str(pm_node_type_t node_type);
#endif
|
