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Render syntax tree efficiently in docs playground

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This commit is contained in:
Max Brunsfeld 2019-04-30 09:52:33 -07:00
parent 3425b6e1c2
commit 73e4db41b0
5 changed files with 284 additions and 185 deletions
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12
lib/web/binding.c
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@ -233,6 +233,18 @@ bool ts_tree_cursor_current_node_is_named_wasm(const TSTree *tree) {
return ts_node_is_named(node);
}
bool ts_tree_cursor_current_node_is_missing_wasm(const TSTree *tree) {
TSTreeCursor cursor = unmarshal_cursor(TRANSFER_BUFFER, tree);
TSNode node = ts_tree_cursor_current_node(&cursor);
return ts_node_is_missing(node);
}
const uint32_t ts_tree_cursor_current_node_id_wasm(const TSTree *tree) {
TSTreeCursor cursor = unmarshal_cursor(TRANSFER_BUFFER, tree);
TSNode node = ts_tree_cursor_current_node(&cursor);
return (uint32_t)node.id;
}
void ts_tree_cursor_start_position_wasm(const TSTree *tree) {
TSTreeCursor cursor = unmarshal_cursor(TRANSFER_BUFFER, tree);
TSNode node = ts_tree_cursor_current_node(&cursor);

10
lib/web/binding.js
View file

@ -461,11 +461,21 @@ class TreeCursor {
return C._ts_tree_cursor_current_node_type_id_wasm(this.tree[0]);
}
get nodeId() {
marshalTreeCursor(this);
return C._ts_tree_cursor_current_node_id_wasm(this.tree[0]);
}
get nodeIsNamed() {
marshalTreeCursor(this);
return C._ts_tree_cursor_current_node_is_named_wasm(this.tree[0]) === 1;
}
get nodeIsMissing() {
marshalTreeCursor(this);
return C._ts_tree_cursor_current_node_is_missing_wasm(this.tree[0]) === 1;
}
get startPosition() {
marshalTreeCursor(this);
C._ts_tree_cursor_start_position_wasm(this.tree[0]);