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Add language support for sway (helix-editor#6023)
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Original file line number | Diff line number | Diff line change |
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; ------- | ||
; Tree-Sitter doesn't allow overrides in regards to captures, | ||
; though it is possible to affect the child node of a captured | ||
; node. Thus, the approach here is to flip the order so that | ||
; overrides are unnecessary. | ||
; ------- | ||
|
||
; ------- | ||
; Types | ||
; ------- | ||
|
||
; --- | ||
; Primitives | ||
; --- | ||
|
||
(escape_sequence) @constant.character.escape | ||
(primitive_type) @type.builtin | ||
(boolean_literal) @constant.builtin.boolean | ||
(integer_literal) @constant.numeric.integer | ||
(float_literal) @constant.numeric.float | ||
(char_literal) @constant.character | ||
[ | ||
(string_literal) | ||
(raw_string_literal) | ||
] @string | ||
[ | ||
(line_comment) | ||
(block_comment) | ||
] @comment | ||
|
||
; --- | ||
; Extraneous | ||
; --- | ||
|
||
(self) @variable.builtin | ||
(enum_variant (identifier) @type.enum.variant) | ||
|
||
(field_initializer | ||
(field_identifier) @variable.other.member) | ||
(shorthand_field_initializer | ||
(identifier) @variable.other.member) | ||
(shorthand_field_identifier) @variable.other.member | ||
|
||
(loop_label | ||
"'" @label | ||
(identifier) @label) | ||
|
||
; --- | ||
; Punctuation | ||
; --- | ||
|
||
[ | ||
"::" | ||
"." | ||
";" | ||
"," | ||
] @punctuation.delimiter | ||
|
||
[ | ||
"(" | ||
")" | ||
"[" | ||
"]" | ||
"{" | ||
"}" | ||
"#" | ||
] @punctuation.bracket | ||
(type_arguments | ||
[ | ||
"<" | ||
">" | ||
] @punctuation.bracket) | ||
(type_parameters | ||
[ | ||
"<" | ||
">" | ||
] @punctuation.bracket) | ||
(closure_parameters | ||
"|" @punctuation.bracket) | ||
|
||
; --- | ||
; Variables | ||
; --- | ||
|
||
(let_declaration | ||
pattern: [ | ||
((identifier) @variable) | ||
((tuple_pattern | ||
(identifier) @variable)) | ||
]) | ||
|
||
; It needs to be anonymous to not conflict with `call_expression` further below. | ||
(_ | ||
value: (field_expression | ||
value: (identifier)? @variable | ||
field: (field_identifier) @variable.other.member)) | ||
|
||
(parameter | ||
pattern: (identifier) @variable.parameter) | ||
(closure_parameters | ||
(identifier) @variable.parameter) | ||
|
||
; ------- | ||
; Keywords | ||
; ------- | ||
|
||
(for_expression | ||
"for" @keyword.control.repeat) | ||
((identifier) @keyword.control | ||
(#match? @keyword.control "^yield$")) | ||
|
||
"in" @keyword.control | ||
|
||
[ | ||
"match" | ||
"if" | ||
"else" | ||
] @keyword.control.conditional | ||
|
||
[ | ||
"while" | ||
] @keyword.control.repeat | ||
|
||
[ | ||
"break" | ||
"continue" | ||
"return" | ||
] @keyword.control.return | ||
|
||
[ | ||
"contract" | ||
"script" | ||
"predicate" | ||
] @keyword.other | ||
|
||
"use" @keyword.control.import | ||
(dep_item "dep" @keyword.control.import !body) | ||
(use_as_clause "as" @keyword.control.import) | ||
|
||
(type_cast_expression "as" @keyword.operator) | ||
|
||
[ | ||
"as" | ||
"pub" | ||
"dep" | ||
|
||
"abi" | ||
"impl" | ||
"where" | ||
"trait" | ||
"for" | ||
] @keyword | ||
|
||
[ | ||
"struct" | ||
"enum" | ||
"storage" | ||
"configurable" | ||
] @keyword.storage.type | ||
|
||
"let" @keyword.storage | ||
"fn" @keyword.function | ||
"abi" @keyword.function | ||
|
||
(mutable_specifier) @keyword.storage.modifier.mut | ||
|
||
(reference_type "&" @keyword.storage.modifier.ref) | ||
(self_parameter "&" @keyword.storage.modifier.ref) | ||
|
||
[ | ||
"const" | ||
"ref" | ||
"deref" | ||
"move" | ||
] @keyword.storage.modifier | ||
|
||
; TODO: variable.mut to highlight mutable identifiers via locals.scm | ||
|
||
; ------- | ||
; Guess Other Types | ||
; ------- | ||
|
||
((identifier) @constant | ||
(#match? @constant "^[A-Z][A-Z\\d_]*$")) | ||
|
||
; --- | ||
; PascalCase identifiers in call_expressions (e.g. `Ok()`) | ||
; are assumed to be enum constructors. | ||
; --- | ||
|
||
(call_expression | ||
function: [ | ||
((identifier) @type.enum.variant | ||
(#match? @type.enum.variant "^[A-Z]")) | ||
(scoped_identifier | ||
name: ((identifier) @type.enum.variant | ||
(#match? @type.enum.variant "^[A-Z]"))) | ||
]) | ||
|
||
; --- | ||
; Assume that types in match arms are enums and not | ||
; tuple structs. Same for `if let` expressions. | ||
; --- | ||
|
||
(match_pattern | ||
(scoped_identifier | ||
name: (identifier) @constructor)) | ||
(tuple_struct_pattern | ||
type: [ | ||
((identifier) @constructor) | ||
(scoped_identifier | ||
name: (identifier) @constructor) | ||
]) | ||
(struct_pattern | ||
type: [ | ||
((type_identifier) @constructor) | ||
(scoped_type_identifier | ||
name: (type_identifier) @constructor) | ||
]) | ||
|
||
; --- | ||
; Other PascalCase identifiers are assumed to be structs. | ||
; --- | ||
|
||
((identifier) @type | ||
(#match? @type "^[A-Z]")) | ||
|
||
; ------- | ||
; Functions | ||
; ------- | ||
|
||
(call_expression | ||
function: [ | ||
((identifier) @function) | ||
(scoped_identifier | ||
name: (identifier) @function) | ||
(field_expression | ||
field: (field_identifier) @function) | ||
]) | ||
(generic_function | ||
function: [ | ||
((identifier) @function) | ||
(scoped_identifier | ||
name: (identifier) @function) | ||
(field_expression | ||
field: (field_identifier) @function.method) | ||
]) | ||
|
||
(function_item | ||
name: (identifier) @function) | ||
|
||
(function_signature_item | ||
name: (identifier) @function) | ||
|
||
; ------- | ||
; Operators | ||
; ------- | ||
|
||
[ | ||
"*" | ||
"'" | ||
"->" | ||
"=>" | ||
"<=" | ||
"=" | ||
"==" | ||
"!" | ||
"!=" | ||
"%" | ||
"%=" | ||
"&" | ||
"&=" | ||
"&&" | ||
"|" | ||
"|=" | ||
"||" | ||
"^" | ||
"^=" | ||
"*" | ||
"*=" | ||
"-" | ||
"-=" | ||
"+" | ||
"+=" | ||
"/" | ||
"/=" | ||
">" | ||
"<" | ||
">=" | ||
">>" | ||
"<<" | ||
">>=" | ||
"<<=" | ||
"@" | ||
".." | ||
"..=" | ||
"'" | ||
] @operator | ||
|
||
; ------- | ||
; Paths | ||
; ------- | ||
|
||
(use_declaration | ||
argument: (identifier) @namespace) | ||
(use_wildcard | ||
(identifier) @namespace) | ||
(dep_item | ||
name: (identifier) @namespace) | ||
(scoped_use_list | ||
path: (identifier)? @namespace) | ||
(use_list | ||
(identifier) @namespace) | ||
(use_as_clause | ||
path: (identifier)? @namespace | ||
alias: (identifier) @namespace) | ||
|
||
; --- | ||
; Remaining Paths | ||
; --- | ||
|
||
(scoped_identifier | ||
path: (identifier)? @namespace | ||
name: (identifier) @namespace) | ||
(scoped_type_identifier | ||
path: (identifier) @namespace) | ||
|
||
; ------- | ||
; Remaining Identifiers | ||
; ------- | ||
|
||
"?" @special | ||
|
||
(type_identifier) @type | ||
(identifier) @variable | ||
(field_identifier) @variable.other.member |
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