123 lines
3.7 KiB
C
123 lines
3.7 KiB
C
#ifndef RUNTIME_SUBTREE_H_
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#define RUNTIME_SUBTREE_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 <stdio.h>
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#include "runtime/length.h"
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#include "runtime/array.h"
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#include "tree_sitter/runtime.h"
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#include "tree_sitter/parser.h"
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extern TSStateId TS_TREE_STATE_NONE;
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typedef struct {
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union {
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char *long_data;
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char short_data[sizeof(char *) + sizeof(uint32_t)];
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};
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uint32_t length;
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} ExternalScannerState;
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typedef struct Subtree Subtree;
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typedef Array(const Subtree *) SubtreeArray;
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typedef Array(Subtree *) MutableSubtreeArray;
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struct Subtree {
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Length padding;
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Length size;
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volatile uint32_t ref_count;
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uint32_t bytes_scanned;
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uint32_t error_cost;
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uint32_t node_count;
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uint32_t repeat_depth;
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int32_t dynamic_precedence;
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bool visible : 1;
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bool named : 1;
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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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bool has_external_tokens : 1;
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bool is_missing : 1;
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bool is_keyword : 1;
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TSSymbol symbol;
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TSStateId parse_state;
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struct {
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TSSymbol symbol;
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TSLexMode lex_mode;
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} first_leaf;
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union {
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struct {
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SubtreeArray children;
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uint32_t visible_child_count;
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uint32_t named_child_count;
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uint16_t alias_sequence_id;
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};
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struct {
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uint32_t _2;
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ExternalScannerState external_scanner_state;
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};
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struct {
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uint32_t _1;
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int32_t lookahead_char;
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};
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};
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};
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typedef struct {
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MutableSubtreeArray free_trees;
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MutableSubtreeArray tree_stack;
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} SubtreePool;
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void ts_external_scanner_state_init(ExternalScannerState *, const char *, unsigned);
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const char *ts_external_scanner_state_data(const ExternalScannerState *);
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bool ts_subtree_array_copy(SubtreeArray, SubtreeArray *);
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void ts_subtree_array_delete(SubtreePool *, SubtreeArray *);
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SubtreeArray ts_subtree_array_remove_trailing_extras(SubtreeArray *);
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void ts_subtree_array_reverse(SubtreeArray *);
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SubtreePool ts_subtree_pool_new(uint32_t capacity);
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void ts_subtree_pool_delete(SubtreePool *);
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Subtree *ts_subtree_pool_allocate(SubtreePool *);
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void ts_subtree_pool_free(SubtreePool *, Subtree *);
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Subtree *ts_subtree_new_leaf(SubtreePool *, TSSymbol, Length, Length, const TSLanguage *);
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Subtree *ts_subtree_new_node(SubtreePool *, TSSymbol, SubtreeArray *, unsigned, const TSLanguage *);
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Subtree *ts_subtree_new_copy(SubtreePool *, const Subtree *);
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Subtree *ts_subtree_new_error_node(SubtreePool *, SubtreeArray *, const TSLanguage *);
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Subtree *ts_subtree_new_error(SubtreePool *, Length, Length, int32_t, const TSLanguage *);
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Subtree *ts_subtree_new_missing_leaf(SubtreePool *, TSSymbol, const TSLanguage *);
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Subtree *ts_subtree_make_mut(SubtreePool *, const Subtree *);
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void ts_subtree_retain(const Subtree *tree);
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void ts_subtree_release(SubtreePool *, const Subtree *tree);
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bool ts_subtree_eq(const Subtree *tree1, const Subtree *tree2);
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int ts_subtree_compare(const Subtree *tree1, const Subtree *tree2);
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void ts_subtree_set_children(Subtree *, SubtreeArray *, const TSLanguage *);
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void ts_subtree_balance(const Subtree *, SubtreePool *, const TSLanguage *);
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const Subtree *ts_subtree_edit(const Subtree *, const TSInputEdit *edit, SubtreePool *);
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char *ts_subtree_string(const Subtree *, const TSLanguage *, bool include_all);
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void ts_subtree_print_dot_graph(const Subtree *, const TSLanguage *, FILE *);
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const Subtree *ts_subtree_last_external_token(const Subtree *);
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bool ts_subtree_external_scanner_state_eq(const Subtree *, const Subtree *);
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static inline uint32_t ts_subtree_total_bytes(const Subtree *self) {
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return self->padding.bytes + self->size.bytes;
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}
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static inline Length ts_subtree_total_size(const Subtree *self) {
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return length_add(self->padding, self->size);
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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_SUBTREE_H_
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