fix: handle more cases of editing subtrees that depend on column values
(cherry picked from commit a83b893016)
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parent
77794c558f
commit
d10308528d
5 changed files with 137 additions and 3 deletions
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@ -501,6 +501,67 @@ h + i
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);
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}
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#[test]
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fn test_parsing_after_editing_tree_that_depends_on_column_position() {
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let dir = fixtures_dir()
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.join("test_grammars")
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.join("depends_on_column");
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let grammar_json = load_grammar_file(&dir.join("grammar.js"), None).unwrap();
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let (grammar_name, parser_code) = generate_parser_for_grammar(grammar_json.as_str()).unwrap();
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let mut parser = Parser::new();
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parser
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.set_language(&get_test_language(&grammar_name, &parser_code, Some(&dir)))
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.unwrap();
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let mut code = b"\n x".to_vec();
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let mut tree = parser.parse(&code, None).unwrap();
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assert_eq!(tree.root_node().to_sexp(), "(x_is_at (odd_column))");
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perform_edit(
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&mut tree,
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&mut code,
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&Edit {
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position: 1,
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deleted_length: 0,
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inserted_text: b" ".to_vec(),
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},
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)
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.unwrap();
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assert_eq!(code, b"\n x");
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let mut recorder = ReadRecorder::new(&code);
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let mut tree = parser
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.parse_with(&mut |i, _| recorder.read(i), Some(&tree))
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.unwrap();
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assert_eq!(tree.root_node().to_sexp(), "(x_is_at (even_column))",);
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assert_eq!(recorder.strings_read(), vec!["\n x"]);
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perform_edit(
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&mut tree,
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&mut code,
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&Edit {
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position: 1,
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deleted_length: 0,
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inserted_text: b"\n".to_vec(),
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},
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)
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.unwrap();
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assert_eq!(code, b"\n\n x");
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let mut recorder = ReadRecorder::new(&code);
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let tree = parser
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.parse_with(&mut |i, _| recorder.read(i), Some(&tree))
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.unwrap();
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assert_eq!(tree.root_node().to_sexp(), "(x_is_at (even_column))",);
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assert_eq!(recorder.strings_read(), vec!["\n\n x"]);
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}
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#[test]
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fn test_parsing_after_detecting_error_in_the_middle_of_a_string_token() {
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let mut parser = Parser::new();
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