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Rewritten Rust `highlights.scm` (#425)

Browse Source 
* rewrote Rust highlights.scm

* wip

* wip

* wip

* wip

* fixed type highlighting

* wip

* rewrite again

* moved operators

* missing newline

* missing newline

* update book

* fix constructor highlighting

* fix constructor highlighting

* fix const highlighting

* better constructor highlighting

* remove dup, bug was my locals.scm file

* fixed docs

* merge

* fixed for highlighting

* add yield

* remove yield

* added yield back

* fixed yield highlighting

* unecessary
pull/430/head
Kirawi 3 years ago committed by GitHub
parent c7aa7bf4ba
commit 084a8a9522
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 306 additions and 183 deletions
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1
book/src/themes.md
Unescape Escape View File

@ -51,6 +51,7 @@ Possible keys:
| `attribute` | |
| `keyword` | |
| `keyword.directive` | Preprocessor directives (\#if in C) |
| `keyword.control` | Control flow |
| `namespace` | |
| `punctuation` | |
| `punctuation.delimiter` | |

4
helix-core/src/syntax.rs
Unescape Escape View File

@ -161,7 +161,7 @@ impl LanguageConfiguration {
let injections_query = read_query(&language, "injections.scm");
let locals_query = "";
let locals_query = read_query(&language, "locals.scm");
if highlights_query.is_empty() {
None
@ -171,7 +171,7 @@ impl LanguageConfiguration {
language,
&highlights_query,
&injections_query,
locals_query,
&locals_query,
)
.unwrap(); // TODO: no unwrap
config.configure(scopes);

484
runtime/queries/rust/highlights.scm
Unescape Escape View File

@ -1,214 +1,336 @@
; Identifier conventions
; -------
; 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.
; -------
; Assume all-caps names are constants
((identifier) @constant
(#match? @constant "^[A-Z][A-Z\\d_]+$"))
; Assume other uppercase names are enum constructors
(enum_variant) @type.enum.variant
((identifier) @constructor
(#match? @constructor "^[A-Z]"))
; -------
; Types
; -------
; Assume that uppercase names in paths are types
(mod_item
name: (identifier) @namespace)
(scoped_identifier
path: (identifier) @namespace)
(scoped_identifier
(scoped_identifier
name: (identifier) @namespace))
(scoped_type_identifier
path: (identifier) @namespace)
(scoped_type_identifier
(scoped_identifier
name: (identifier) @namespace))
; ---
; Primitives
; ---
((scoped_identifier
path: (identifier) @type)
(#match? @type "^[A-Z]"))
((scoped_identifier
path: (scoped_identifier
name: (identifier) @type))
(#match? @type "^[A-Z]"))
(escape_sequence) @escape
(primitive_type) @type.builtin
(boolean_literal) @constant.builtin
[
(integer_literal)
(float_literal)
] @number
[
(char_literal)
(string_literal)
(raw_string_literal)
] @string
[
(line_comment)
(block_comment)
] @comment
; Namespaces
; ---
; Extraneous
; ---
(crate) @namespace
(extern_crate_declaration
(crate)
name: (identifier) @namespace)
(scoped_use_list
path: (identifier) @namespace)
(scoped_use_list
path: (scoped_identifier
(identifier) @namespace))
(use_list (scoped_identifier (identifier) @namespace . (_)))
(self) @variable.builtin
(enum_variant (identifier) @type.enum.variant)
; Function calls
(field_initializer
(field_identifier) @property)
(shorthand_field_initializer) @variable
(shorthand_field_identifier) @variable
(call_expression
function: (identifier) @function)
(call_expression
function: (field_expression
field: (field_identifier) @function.method))
(call_expression
function: (scoped_identifier
"::"
name: (identifier) @function))
(lifetime
"'" @label
(identifier) @label)
(loop_label
(identifier) @type)
(generic_function
function: (identifier) @function)
(generic_function
function: (scoped_identifier
name: (identifier) @function))
(generic_function
function: (field_expression
field: (field_identifier) @function.method))
; ---
; Punctuation
; ---
(macro_invocation
macro: (identifier) @function.macro
"!" @function.macro)
(macro_invocation
macro: (scoped_identifier
(identifier) @function.macro .))
[
"::"
"."
";"
] @punctuation.delimiter
; (metavariable) @variable
(metavariable) @function.macro
[
"("
")"
"["
"]"
] @punctuation.bracket
(type_arguments
[
"<"
">"
] @punctuation.bracket)
(type_parameters
[
"<"
">"
] @punctuation.bracket)
"$" @function.macro
; ---
; Parameters
; ---
; Function definitions
(parameter
pattern: (identifier) @variable.parameter)
(closure_parameters
(identifier) @variable.parameter)
(function_item (identifier) @function)
(function_signature_item (identifier) @function)
; Other identifiers
(type_identifier) @type
(primitive_type) @type.builtin
(field_identifier) @property
; -------
; Keywords
; -------
(line_comment) @comment
(block_comment) @comment
(for_expression
"for" @keyword.control)
((identifier) @keyword.control
(#match? @keyword.control "^yield$"))
[
"while"
"loop"
"in"
"break"
"continue"
"(" @punctuation.bracket
")" @punctuation.bracket
"[" @punctuation.bracket
"]" @punctuation.bracket
"match"
"if"
"else"
"return"
"await"
] @keyword.control
[
(crate)
(super)
"as"
"use"
"pub"
"mod"
"extern"
"fn"
"struct"
"enum"
"impl"
"where"
"trait"
"for"
"type"
"union"
"unsafe"
"default"
"macro_rules!"
"let"
"ref"
"move"
"dyn"
"static"
"const"
"async"
] @keyword
(type_arguments
"<" @punctuation.bracket
">" @punctuation.bracket)
(type_parameters
"<" @punctuation.bracket
">" @punctuation.bracket)
"::" @punctuation.delimiter
"." @punctuation.delimiter
";" @punctuation.delimiter
(parameter (identifier) @variable.parameter)
(closure_parameters (_) @variable.parameter)
(lifetime (identifier) @label)
"async" @keyword
"break" @keyword
"const" @keyword
"continue" @keyword
(crate) @keyword
"default" @keyword
"dyn" @keyword
"else" @keyword
"enum" @keyword
"extern" @keyword
"fn" @keyword
"for" @keyword
"if" @keyword
"impl" @keyword
"in" @keyword
"let" @keyword
"let" @keyword
"loop" @keyword
"macro_rules!" @keyword
"match" @keyword
"mod" @keyword
"move" @keyword
"pub" @keyword
"ref" @keyword
"return" @keyword
"static" @keyword
"struct" @keyword
"trait" @keyword
"type" @keyword
"union" @keyword
"unsafe" @keyword
"use" @keyword
"where" @keyword
"while" @keyword
(mutable_specifier) @keyword.mut
(use_list (self) @keyword)
(scoped_use_list (self) @keyword)
(scoped_identifier (self) @keyword)
(super) @keyword
"as" @keyword
(self) @variable.builtin
[
(char_literal)
(string_literal)
(raw_string_literal)
] @string
(boolean_literal) @constant.builtin
(integer_literal) @number
(float_literal) @number
; -------
; Guess Other Types
; -------
(escape_sequence) @escape
((identifier) @constant
(#match? @constant "^[A-Z][A-Z\\d_]+$"))
; ---
; PascalCase identifiers in call_expressions (e.g. `Ok()`)
; are assumed to be enum constructors.
; ---
(call_expression
function: [
((identifier) @type.variant
(#match? @type.variant "^[A-Z]"))
(scoped_identifier
name: ((identifier) @type.variant
(#match? @type.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)
; ---
; Macros
; ---
(meta_item
(identifier) @attribute)
(attribute_item) @attribute
(inner_attribute_item) @attribute
(macro_definition
name: (identifier) @function.macro)
(macro_invocation
macro: [
((identifier) @function.macro)
(scoped_identifier
name: (identifier) @function.macro)
]
"!" @function.macro)
(metavariable) @variable.parameter
(fragment_specifier) @variable.parameter
; -------
; Operators
; -------
[
"*"
"'"
"->"
"=>"
"<="
"="
"=="
"!"
"!="
"%"
"%="
"&"
"&="
"&&"
"|"
"|="
"||"
"^"
"^="
"*"
"*="
"-"
"-="
"+"
"+="
"/"
"/="
">"
"<"
">="
">>"
"<<"
">>="
"@"
".."
"..="
"'"
"*"
"'"
"->"
"=>"
"<="
"="
"=="
"!"
"!="
"%"
"%="
"&"
"&="
"&&"
"|"
"|="
"||"
"^"
"^="
"*"
"*="
"-"
"-="
"+"
"+="
"/"
"/="
">"
"<"
">="
">>"
"<<"
">>="
"@"
".."
"..="
"'"
] @operator
; -------
; Paths
; -------
(use_declaration
argument: (identifier) @namespace)
(use_wildcard
(identifier) @namespace)
(extern_crate_declaration
name: (identifier) @namespace)
(mod_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

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