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Change the wildcard syntax in tree queries

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1. Use '_' instead of '*'.
2. Add '*' as a postfix operator for zero-or-more repetitions

Signed-off-by: Patrick Thomson <patrickt@github.com>
This commit is contained in:
Max Brunsfeld 2020-05-11 13:04:04 -07:00
parent 40262483a9
commit 85c998d572
3 changed files with 57 additions and 42 deletions
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53
cli/src/tests/query_test.rs
View file

@ -381,8 +381,8 @@ fn test_query_matches_with_named_wildcard() {
let query = Query::new(
language,
"
(return_statement (*) @the-return-value)
(binary_expression operator: * @the-operator)
(return_statement (_) @the-return-value)
(binary_expression operator: _ @the-operator)
",
)
.unwrap();
@ -413,7 +413,7 @@ fn test_query_matches_with_wildcard_at_the_root() {
let query = Query::new(
language,
"
(*
(_
(comment) @doc
.
(function_declaration
@ -432,10 +432,10 @@ fn test_query_matches_with_wildcard_at_the_root() {
let query = Query::new(
language,
"
(* (string) @a)
(* (number) @b)
(* (true) @c)
(* (false) @d)
(_ (string) @a)
(_ (number) @b)
(_ (true) @c)
(_ (false) @d)
",
)
.unwrap();
@ -477,7 +477,7 @@ fn test_query_matches_with_immediate_siblings() {
.)
(list
.
(*) @first-element)
(_) @first-element)
",
)
.unwrap();
@ -506,17 +506,19 @@ fn test_query_matches_with_repeated_leaf_nodes() {
let query = Query::new(
language,
"
(*
(
(comment)+ @doc
.
(class_declaration
name: (identifier) @name))
name: (identifier) @name)
)
(*
(
(comment)+ @doc
.
(function_declaration
name: (identifier) @name))
name: (identifier) @name)
)
",
)
.unwrap();
@ -618,7 +620,7 @@ fn test_query_matches_with_non_terminal_repetitions_within_root() {
let query = Query::new(
language,
r#"
(*
(_
(expression_statement
(identifier) @id)+)
"#,
@ -673,18 +675,19 @@ fn test_query_matches_with_nested_repetitions() {
}
#[test]
fn test_query_matches_with_leading_optional_repeated_leaf_nodes() {
fn test_query_matches_with_leading_zero_or_more_repeated_leaf_nodes() {
allocations::record(|| {
let language = get_language("javascript");
let query = Query::new(
language,
"
(*
(comment)+? @doc
(
(comment)* @doc
.
(function_declaration
name: (identifier) @name))
name: (identifier) @name)
)
",
)
.unwrap();
@ -808,7 +811,7 @@ fn test_query_matches_with_repeated_internal_nodes() {
let query = Query::new(
language,
"
(*
(_
(method_definition
(decorator (identifier) @deco)+
name: (property_identifier) @name))
@ -1099,12 +1102,12 @@ fn test_query_captures_basic() {
language,
r#"
(pair
key: * @method.def
key: _ @method.def
(function
name: (identifier) @method.alias))
(variable_declarator
name: * @function.def
name: _ @function.def
value: (function
name: (identifier) @function.alias))
@ -1352,7 +1355,7 @@ fn test_query_captures_with_many_nested_results_without_fields() {
language,
r#"
(pair
key: * @method-def
key: _ @method-def
(arrow_function))
":" @colon
@ -1612,7 +1615,7 @@ fn test_query_captures_with_matches_removed() {
r#"
(binary_expression
left: (identifier) @left
operator: * @op
operator: _ @op
right: (identifier) @right)
"#,
)
@ -1735,13 +1738,13 @@ fn test_query_capture_names() {
r#"
(if_statement
condition: (binary_expression
left: * @left-operand
left: _ @left-operand
operator: "||"
right: * @right-operand)
right: _ @right-operand)
consequence: (statement_block) @body)
(while_statement
condition:* @loop-condition)
condition: _ @loop-condition)
"#,
)
.unwrap();