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Start using the forward move to recover from errors

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Some unit tests passing. Corpus tests still failing
This commit is contained in:
Max Brunsfeld 2016-03-02 21:03:55 -08:00
parent b733b0cc81
commit aef7582a2a
8 changed files with 295 additions and 113 deletions
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26
spec/runtime/parser_spec.cc
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@ -99,7 +99,7 @@ describe("Parser", [&]() {
TSNode last = ts_node_named_child(root, 2);
AssertThat(ts_node_name(error, doc), Equals("ERROR"));
AssertThat(ts_node_start_byte(error), Equals(strlen(" [123, ")));
AssertThat(ts_node_start_byte(error), Equals(strlen(" [123")));
AssertThat(ts_node_end_byte(error), Equals(strlen(" [123, @@@@@")));
AssertThat(ts_node_name(last, doc), Equals("true"));
@ -120,7 +120,7 @@ describe("Parser", [&]() {
AssertThat(ts_node_symbol(error), Equals(ts_builtin_sym_error));
AssertThat(ts_node_name(error, doc), Equals("ERROR"));
AssertThat(ts_node_start_byte(error), Equals(strlen(" [123, ")))
AssertThat(ts_node_start_byte(error), Equals(strlen(" [123")))
AssertThat(ts_node_end_byte(error), Equals(strlen(" [123, faaaaalse")))
AssertThat(ts_node_name(last, doc), Equals("true"));
@ -133,17 +133,17 @@ describe("Parser", [&]() {
set_text(" [123, true false, true]");
assert_root_node(
"(array (number) (ERROR (true) (UNEXPECTED 'f') (false)) (true))");
"(array (number) (ERROR (true) (UNEXPECTED 'f')) (false) (true))");
TSNode error = ts_node_named_child(root, 1);
TSNode last = ts_node_named_child(root, 2);
AssertThat(ts_node_name(error, doc), Equals("ERROR"));
AssertThat(ts_node_start_byte(error), Equals(strlen(" [123, ")));
AssertThat(ts_node_end_byte(error), Equals(strlen(" [123, true false")));
AssertThat(ts_node_end_byte(error), Equals(strlen(" [123, true ")));
AssertThat(ts_node_name(last, doc), Equals("true"));
AssertThat(ts_node_start_byte(last), Equals(strlen(" [123, true false, ")));
AssertThat(ts_node_name(last, doc), Equals("false"));
AssertThat(ts_node_start_byte(last), Equals(strlen(" [123, true ")));
});
});
@ -158,7 +158,7 @@ describe("Parser", [&]() {
TSNode last = ts_node_named_child(root, 2);
AssertThat(ts_node_name(error, doc), Equals("ERROR"));
AssertThat(ts_node_start_byte(error), Equals(strlen(" [123, ")));
AssertThat(ts_node_start_byte(error), Equals(strlen(" [123")));
AssertThat(ts_node_end_byte(error), Equals(strlen(" [123, ")))
AssertThat(ts_node_name(last, doc), Equals("true"));
@ -275,7 +275,7 @@ describe("Parser", [&]() {
insert_text(strlen("var x = y"), " *");
assert_root_node(
"(program (var_declaration (ERROR (identifier) (identifier) (UNEXPECTED ';'))))");
"(program (var_declaration (identifier) (ERROR (identifier) (UNEXPECTED ';'))))");
insert_text(strlen("var x = y *"), " z");
@ -367,15 +367,19 @@ describe("Parser", [&]() {
describe("deleting text", [&]() {
describe("when a critical token is removed", [&]() {
it("updates the parse tree, creating an error", [&]() {
set_text("123 * 456;");
set_text("123 * 456; 789 * 123;");
assert_root_node(
"(program (expression_statement (math_op (number) (number))))");
"(program "
"(expression_statement (math_op (number) (number))) "
"(expression_statement (math_op (number) (number))))");
delete_text(strlen("123 "), 2);
assert_root_node(
"(program (expression_statement (ERROR (number) (UNEXPECTED '4') (number))))");
"(program "
"(number) (UNEXPECTED '4') (expression_statement (number)) "
"(expression_statement (math_op (number) (number))))");
});
});
});