85 lines
1.9 KiB
C
85 lines
1.9 KiB
C
#ifndef RUNTIME_LENGTH_H_
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#define RUNTIME_LENGTH_H_
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#include "tree_sitter/parser.h"
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#include <stdbool.h>
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static inline TSLength ts_length_add(TSLength len1, TSLength len2) {
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TSLength result;
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result.bytes = len1.bytes + len2.bytes;
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result.chars = len1.chars + len2.chars;
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if ((len1.chars > 0 && len1.bytes == 0) || (len2.chars > 0 && len2.bytes == 0))
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result.bytes = 0;
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return result;
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}
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static inline TSLength ts_length_sub(TSLength len1, TSLength len2) {
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TSLength result;
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result.bytes = len1.bytes - len2.bytes;
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result.chars = len1.chars - len2.chars;
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if ((len1.chars > 0 && len1.bytes == 0) || (len2.chars > 0 && len2.bytes == 0))
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result.bytes = 0;
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return result;
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}
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static inline TSPoint ts_point_make(size_t row, size_t column) {
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TSPoint point;
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point.row = row;
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point.column = column;
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return point;
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}
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static inline TSPoint ts_point_add(TSPoint point1, TSPoint point2) {
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size_t row = point1.row + point2.row;
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size_t column;
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if (point2.row == 0) {
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column = point1.column + point2.column;
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} else {
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column = point2.column;
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}
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return ts_point_make(row, column);
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}
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static inline TSPoint ts_point_sub(TSPoint point1, TSPoint point2) {
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size_t row, column;
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if (point1.row == point2.row) {
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row = 0;
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column = point1.column - point2.column;
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} else {
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row = point1.row - point2.row;
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column = point1.column;
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}
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return ts_point_make(row, column);
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}
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static inline TSLength ts_length_zero() {
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TSLength result;
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result.bytes = result.chars = 0;
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return result;
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}
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static inline bool ts_length_eq(TSLength len1, TSLength len2) {
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return len1.bytes == len2.bytes && len1.chars == len2.chars;
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}
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static inline TSPoint ts_point_zero() {
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TSPoint point;
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point.row = point.column = 0;
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return point;
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}
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static inline TSLength ts_length_make(size_t bytes, size_t chars) {
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TSLength result;
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result.bytes = bytes;
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result.chars = chars;
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return result;
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}
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#endif
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