45 lines
1.0 KiB
C
45 lines
1.0 KiB
C
#ifndef TREE_SITTER_LENGTH_H_
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#define TREE_SITTER_LENGTH_H_
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#include <stdlib.h>
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#include <stdbool.h>
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#include "./point.h"
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#include "tree_sitter/api.h"
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typedef struct {
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uint32_t bytes;
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TSPoint extent;
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} Length;
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static const Length LENGTH_UNDEFINED = {0, {0, 1}};
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static const Length LENGTH_MAX = {UINT32_MAX, {UINT32_MAX, UINT32_MAX}};
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static inline bool length_is_undefined(Length length) {
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return length.bytes == 0 && length.extent.column != 0;
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}
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static inline Length length_min(Length len1, Length len2) {
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return (len1.bytes < len2.bytes) ? len1 : len2;
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}
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static inline Length length_add(Length len1, Length len2) {
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Length result;
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result.bytes = len1.bytes + len2.bytes;
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result.extent = point_add(len1.extent, len2.extent);
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return result;
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}
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static inline Length length_sub(Length len1, Length len2) {
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Length result;
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result.bytes = len1.bytes - len2.bytes;
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result.extent = point_sub(len1.extent, len2.extent);
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return result;
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}
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static inline Length length_zero(void) {
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Length result = {0, {0, 0}};
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return result;
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}
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#endif
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