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Fix leaked lookahead trees in normal parsing

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This commit is contained in:
Max Brunsfeld 2016-01-29 17:31:43 -08:00
parent a74bf7ece1
commit 7c44b0e387
7 changed files with 85 additions and 36 deletions
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47
spec/runtime/document_spec.cc
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@ -1,5 +1,8 @@
#include "spec_helper.h"
#include "runtime/alloc.h"
#include "runtime/debugger.h"
#include "helpers/record_alloc.h"
#include "helpers/stream_methods.h"
#include "helpers/tree_helpers.h"
#include "helpers/spy_debugger.h"
#include "helpers/spy_input.h"
@ -12,13 +15,22 @@ describe("Document", [&]() {
TSNode root;
before_each([&]() {
record_alloc::start();
doc = ts_document_make();
});
after_each([&]() {
ts_document_free(doc);
record_alloc::stop();
AssertThat(record_alloc::outstanding_allocation_indices(), IsEmpty());
});
auto assert_node_string_equals = [&](TSNode node, const string &expected) {
char *actual = ts_node_string(node, doc);
AssertThat(actual, Equals(expected));
ts_free(actual);
};
describe("set_input(input)", [&]() {
SpyInput *spy_input;
@ -30,8 +42,9 @@ describe("Document", [&]() {
ts_document_parse(doc);
root = ts_document_root_node(doc);
AssertThat(ts_node_string(root, doc), Equals(
"(object (pair (string) (array (number) (number))))"));
assert_node_string_equals(
root,
"(object (pair (string) (array (number) (number))))");
});
after_each([&]() {
@ -48,8 +61,9 @@ describe("Document", [&]() {
ts_document_parse(doc);
root = ts_document_root_node(doc);
AssertThat(ts_node_string(root, doc), Equals(
"(array (true) (false))"));
assert_node_string_equals(
root,
"(array (true) (false))");
});
it("allows the input to be retrieved later", [&]() {
@ -74,8 +88,9 @@ describe("Document", [&]() {
ts_document_parse(doc);
TSNode new_root = ts_document_root_node(doc);
AssertThat(ts_node_string(new_root, doc), Equals(
"(object (pair (string) (array (null) (number))))"));
assert_node_string_equals(
new_root,
"(object (pair (string) (array (null) (number))))");
AssertThat(spy_input->strings_read, Equals(vector<string>({" [null, 2", ""})));
});
@ -83,14 +98,16 @@ describe("Document", [&]() {
ts_document_set_input_string(doc, "");
ts_document_parse(doc);
TSNode new_root = ts_document_root_node(doc);
AssertThat(ts_node_string(new_root, doc), Equals(
"(ERROR (UNEXPECTED <EOF>))"));
assert_node_string_equals(
new_root,
"(ERROR (UNEXPECTED <EOF>))");
ts_document_set_input_string(doc, "1");
ts_document_parse(doc);
new_root = ts_document_root_node(doc);
AssertThat(ts_node_string(new_root, doc), Equals(
"(number)"));
assert_node_string_equals(
new_root,
"(number)");
});
});
@ -104,8 +121,9 @@ describe("Document", [&]() {
ts_document_parse(doc);
root = ts_document_root_node(doc);
AssertThat(ts_node_string(root, doc), Equals(
"(object (pair (string) (array (number) (number))))"));
assert_node_string_equals(
root,
"(object (pair (string) (array (number) (number))))");
});
it("clears out any previous tree", [&]() {
@ -117,9 +135,10 @@ describe("Document", [&]() {
ts_document_parse(doc);
root = ts_document_root_node(doc);
AssertThat(ts_node_string(root, doc), Equals(
assert_node_string_equals(
root,
"(program (expression_statement "
"(object (pair (string) (array (number) (number))))))"));
"(object (pair (string) (array (number) (number))))))");
});
});