97 lines
2.4 KiB
C
97 lines
2.4 KiB
C
#ifndef RUNTIME_TREE_H_
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#define RUNTIME_TREE_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdbool.h>
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#include "tree_sitter/parser.h"
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struct TSTree {
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struct {
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struct TSTree *parent;
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size_t index;
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TSLength offset;
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} context;
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size_t child_count;
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size_t visible_child_count;
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size_t named_child_count;
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union {
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struct TSTree **children;
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char lookahead_char;
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};
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TSLength padding;
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TSLength size;
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TSSymbol symbol;
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struct {
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TSNodeType type : 2;
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bool extra : 1;
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bool fragile_left : 1;
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bool fragile_right : 1;
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bool has_changes : 1;
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} options;
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unsigned short int ref_count;
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};
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TSTree *ts_tree_make_leaf(TSSymbol, TSLength, TSLength, TSNodeType);
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TSTree *ts_tree_make_node(TSSymbol, size_t, TSTree **, TSNodeType);
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TSTree *ts_tree_make_error(TSLength size, TSLength padding, char lookahead_char);
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void ts_tree_retain(TSTree *tree);
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void ts_tree_release(TSTree *tree);
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bool ts_tree_eq(const TSTree *tree1, const TSTree *tree2);
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char *ts_tree_string(const TSTree *tree, const char **names);
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TSLength ts_tree_total_size(const TSTree *tree);
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void ts_tree_prepend_children(TSTree *, size_t, TSTree **);
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void ts_tree_edit(TSTree *, TSInputEdit);
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static inline bool ts_tree_is_extra(const TSTree *tree) {
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return tree->options.extra;
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}
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static inline bool ts_tree_is_visible(const TSTree *tree) {
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return tree->options.type != TSNodeTypeHidden;
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}
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static inline void ts_tree_set_extra(TSTree *tree) {
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tree->options.extra = true;
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}
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static inline void ts_tree_set_fragile_left(TSTree *tree) {
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tree->options.fragile_left = true;
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}
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static inline void ts_tree_set_fragile_right(TSTree *tree) {
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tree->options.fragile_right = true;
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}
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static inline bool ts_tree_is_fragile_left(const TSTree *tree) {
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return tree->options.fragile_left;
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}
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static inline bool ts_tree_is_fragile_right(const TSTree *tree) {
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return tree->options.fragile_right;
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}
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static inline bool ts_tree_is_terminal(const TSTree *tree) {
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return tree->child_count == 0;
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}
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static inline bool ts_tree_has_changes(const TSTree *tree) {
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return tree->options.has_changes;
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}
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static inline bool ts_tree_is_empty(const TSTree *tree) {
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return ts_tree_total_size(tree).chars == 0;
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}
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static inline bool ts_tree_is_fragile(const TSTree *tree) {
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return ts_tree_is_empty(tree) || tree->options.fragile_left ||
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tree->options.fragile_right;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif // RUNTIME_TREE_H_
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