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Handle allocation failures when instantiating documents

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This commit is contained in:
Max Brunsfeld 2016-01-18 10:44:49 -08:00
parent 9d0835edbf
commit 1543a6c7b0
12 changed files with 255 additions and 31 deletions
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42
src/runtime/stack.c
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@ -43,17 +43,39 @@ static TSTree *ts_stack__default_tree_selection(void *p, TSTree *t1, TSTree *t2)
}
Stack *ts_stack_new() {
Stack *self = ts_malloc(sizeof(Stack));
*self = (Stack){
.heads = ts_calloc(INITIAL_HEAD_CAPACITY, sizeof(StackNode *)),
.head_count = 1,
.head_capacity = INITIAL_HEAD_CAPACITY,
.tree_selection_payload = NULL,
.tree_selection_function = ts_stack__default_tree_selection,
.pop_results = vector_new(sizeof(StackPopResult), 4),
.pop_paths = vector_new(sizeof(PopPath), 4),
};
Stack *self = ts_calloc(1, sizeof(Stack));
if (!self)
goto error;
self->head_count = 1;
self->head_capacity = INITIAL_HEAD_CAPACITY;
self->heads = ts_calloc(INITIAL_HEAD_CAPACITY, sizeof(StackNode *));
if (!self->heads)
goto error;
self->pop_results = vector_new(sizeof(StackPopResult), 4);
if (!self->pop_results.contents)
goto error;
self->pop_paths = vector_new(sizeof(PopPath), 4);
if (!self->pop_paths.contents)
goto error;
self->tree_selection_payload = NULL;
self->tree_selection_function = ts_stack__default_tree_selection;
return self;
error:
if (self) {
if (self->heads)
ts_free(self->heads);
if (self->pop_results.contents)
vector_delete(&self->pop_results);
if (self->pop_paths.contents)
vector_delete(&self->pop_paths);
ts_free(self);
}
return NULL;
}
void ts_stack_delete(Stack *self) {