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Include rows and columns in TSLength

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This way, we don't have to have separate 1D and 2D versions for so many values
This commit is contained in:
Max Brunsfeld 2015-12-04 20:20:29 -08:00
parent 22c76fc71b
commit d2bf88d5fe
14 changed files with 186 additions and 241 deletions
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97
src/runtime/length.h
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@ -4,82 +4,69 @@
#include "tree_sitter/parser.h"
#include <stdbool.h>
static inline bool ts_length_is_unknown(TSLength self) {
return self.chars > 0 && self.bytes == 0;
}
static inline void ts_length_set_unknown(TSLength *self) {
self->bytes = 0;
self->rows = 0;
self->columns = 0;
}
static inline TSLength ts_length_add(TSLength len1, TSLength len2) {
TSLength result;
result.bytes = len1.bytes + len2.bytes;
result.chars = len1.chars + len2.chars;
if ((len1.chars > 0 && len1.bytes == 0) || (len2.chars > 0 && len2.bytes == 0))
if (ts_length_is_unknown(len1) || ts_length_is_unknown(len2)) {
result.bytes = 0;
result.rows = 0;
result.columns = result.chars;
} else {
result.bytes = len1.bytes + len2.bytes;
if (len2.rows == 0) {
result.rows = len1.rows;
result.columns = len1.columns + len2.columns;
} else {
result.rows = len1.rows + len2.rows;
result.columns = len2.columns;
}
}
return result;
}
static inline TSLength ts_length_sub(TSLength len1, TSLength len2) {
TSLength result;
result.bytes = len1.bytes - len2.bytes;
result.chars = len1.chars - len2.chars;
if ((len1.chars > 0 && len1.bytes == 0) || (len2.chars > 0 && len2.bytes == 0))
if (ts_length_is_unknown(len1) || ts_length_is_unknown(len2)) {
result.bytes = 0;
result.rows = 0;
result.columns = result.chars;
} else {
result.bytes = len1.bytes - len2.bytes;
if (len1.rows == len2.rows) {
result.rows = 0;
result.columns = len1.columns - len2.columns;
} else {
result.rows = len1.rows - len2.rows;
result.columns = len1.columns;
}
}
return result;
}
static inline TSPoint ts_point_make(size_t row, size_t column) {
TSPoint point;
point.row = row;
point.column = column;
return point;
}
static inline TSPoint ts_point_add(TSPoint point1, TSPoint point2) {
size_t row = point1.row + point2.row;
size_t column;
if (point2.row == 0) {
column = point1.column + point2.column;
} else {
column = point2.column;
}
return ts_point_make(row, column);
}
static inline TSPoint ts_point_sub(TSPoint point1, TSPoint point2) {
size_t row, column;
if (point1.row == point2.row) {
row = 0;
column = point1.column - point2.column;
} else {
row = point1.row - point2.row;
column = point1.column;
}
return ts_point_make(row, column);
}
static inline TSLength ts_length_zero() {
TSLength result;
result.bytes = result.chars = 0;
return result;
return (TSLength){0, 0, 0, 0};
}
static inline bool ts_length_eq(TSLength len1, TSLength len2) {
return len1.bytes == len2.bytes && len1.chars == len2.chars;
}
static inline TSPoint ts_point_zero() {
TSPoint point;
point.row = point.column = 0;
return point;
}
static inline TSLength ts_length_make(size_t bytes, size_t chars) {
TSLength result;
result.bytes = bytes;
result.chars = chars;
return result;
static inline bool ts_length_eq(TSLength self, TSLength other) {
return self.bytes == other.bytes &&
self.chars == other.chars &&
self.rows == other.rows &&
self.columns == other.columns;
}
#endif