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Implement Wasm binding for Tree.getChangedRanges()

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This commit is contained in:
Max Brunsfeld 2019-05-09 23:52:57 -07:00
parent 7de4985a27
commit 0d70b485c0
4 changed files with 94 additions and 5 deletions
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30
lib/binding_web/binding.c
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@ -74,6 +74,20 @@ static TSPoint unmarshal_point(const void **address) {
return point;
}
static void marshal_range(TSRange *range) {
range->start_byte = byte_to_code_unit(range->start_byte);
range->end_byte = byte_to_code_unit(range->end_byte);
range->start_point.column = byte_to_code_unit(range->start_point.column);
range->end_point.column = byte_to_code_unit(range->end_point.column);
}
static void unmarshal_range(TSRange *range) {
range->start_byte = code_unit_to_byte(range->start_byte);
range->end_byte = code_unit_to_byte(range->end_byte);
range->start_point.column = code_unit_to_byte(range->start_point.column);
range->end_point.column = code_unit_to_byte(range->end_point.column);
}
static TSInputEdit unmarshal_edit() {
TSInputEdit edit;
const void **address = TRANSFER_BUFFER;
@ -151,11 +165,7 @@ TSTree *ts_parser_parse_wasm(
};
if (range_count) {
for (unsigned i = 0; i < range_count; i++) {
TSRange *range = &ranges[i];
range->start_byte = code_unit_to_byte(range->start_byte);
range->end_byte = code_unit_to_byte(range->end_byte);
range->start_point.column = code_unit_to_byte(range->start_point.column);
range->end_point.column = code_unit_to_byte(range->end_point.column);
unmarshal_range(&ranges[i]);
}
ts_parser_set_included_ranges(self, ranges, range_count);
free(ranges);
@ -178,6 +188,16 @@ void ts_tree_edit_wasm(TSTree *tree) {
ts_tree_edit(tree, &edit);
}
void ts_tree_get_changed_ranges_wasm(TSTree *tree, TSTree *other) {
unsigned range_count;
TSRange *ranges = ts_tree_get_changed_ranges(tree, other, &range_count);
for (unsigned i = 0; i < range_count; i++) {
marshal_range(&ranges[i]);
}
TRANSFER_BUFFER[0] = (const void *)range_count;
TRANSFER_BUFFER[1] = (const void *)ranges;
}
/************************/
/* Section - TreeCursor */
/************************/