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