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Handle allocation failures during parsing

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This commit is contained in:
Max Brunsfeld 2016-01-19 18:07:24 -08:00
parent ff97a09343
commit 3dde0a6f39
10 changed files with 288 additions and 122 deletions
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30
spec/runtime/parser_spec.cc
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@ -30,7 +30,7 @@ describe("Parser", [&]() {
auto set_text = [&](const char *text) {
input = new SpyInput(text, chunk_size);
ts_document_set_input(doc, input->input());
ts_document_parse(doc);
AssertThat(ts_document_parse(doc), Equals(0));
root = ts_document_root_node(doc);
AssertThat(ts_node_end_byte(root), Equals(strlen(text)));
@ -450,6 +450,34 @@ describe("Parser", [&]() {
AssertThat(record_alloc::outstanding_allocation_indices(), IsEmpty());
}
});
it("handles allocation failures during parsing", [&]() {
ts_document_set_language(doc, get_test_language("cpp"));
set_text("int main() { return vector<int *>().size(); }");
size_t allocation_count = record_alloc::allocation_count();
AssertThat(allocation_count, IsGreaterThan<size_t>(1));
char *string = ts_node_string(root, doc);
AssertThat(string, Equals("(translation_unit (function_definition "
"(identifier) "
"(function_declarator (identifier)) "
"(compound_statement "
"(return_statement (call_expression (field_expression "
"(call_expression (template_call "
"(identifier) "
"(type_name (identifier) (abstract_pointer_declarator)))) "
"(identifier)))))))"));
free(string);
for (size_t i = 0; i < allocation_count; i++) {
record_alloc::start();
record_alloc::fail_at_allocation_index(i);
ts_document_invalidate(doc);
AssertThat(ts_document_parse(doc), Equals(-1));
}
});
});
});