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Rework AST access API: reduce heap allocation

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This commit is contained in:
Max Brunsfeld 2015-07-31 15:47:48 -07:00
parent feb46302f3
commit 54e40b8146
16 changed files with 288 additions and 273 deletions
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4
src/runtime/tree.c
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@ -64,7 +64,7 @@ TSTree *ts_tree_make_node(TSSymbol symbol, size_t child_count,
} else {
if (is_hidden)
options |= TSTreeOptionsHidden;
if (child_count == 1 &&
if (child_count == 1 && symbol != ts_builtin_sym_document &&
(ts_tree_is_visible(children[0]) || ts_tree_is_wrapper(children[0])))
options |= (TSTreeOptionsWrapper | TSTreeOptionsHidden);
if (child_count > 0) {
@ -82,6 +82,7 @@ TSTree *ts_tree_make_node(TSSymbol symbol, size_t child_count,
TSTree *result =
malloc(sizeof(TSTree) + (visible_child_count * sizeof(TSTreeChild)));
*result = (TSTree){.ref_count = 1,
.parent = NULL,
.symbol = symbol,
.children = children,
.child_count = child_count,
@ -98,6 +99,7 @@ TSTree *ts_tree_make_node(TSSymbol symbol, size_t child_count,
TSLength offset = ts_length_zero();
for (size_t i = 0, vis_i = 0; i < child_count; i++) {
TSTree *child = children[i];
child->parent = result;
if (i > 0)
offset = ts_length_add(offset, child->padding);