Add language support for sway (#6023)

pull/5529/merge
Sophie Dankel 2 years ago committed by GitHub
parent 0cbb61c3a4
commit f69bb41169
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GPG Key ID: 4AEE18F83AFDEB23

@ -125,6 +125,7 @@
| sshclientconfig | ✓ | | | |
| starlark | ✓ | ✓ | | |
| svelte | ✓ | | | `svelteserver` |
| sway | ✓ | ✓ | ✓ | `forc` |
| swift | ✓ | | | `sourcekit-lsp` |
| tablegen | ✓ | ✓ | ✓ | |
| task | ✓ | | | |

@ -52,6 +52,20 @@ args = { attachCommands = [ "platform select remote-gdb-server", "platform conne
name = "rust"
source = { git = "https://github.com/tree-sitter/tree-sitter-rust", rev = "0431a2c60828731f27491ee9fdefe25e250ce9c9" }
[[language]]
name = "sway"
scope = "source.sway"
injection-regex = "sway"
file-types = ["sw"]
language-server = { command = "forc", args = ["lsp"] }
roots = ["Forc.toml", "Forc.lock"]
indent = { tab-width = 4, unit = " " }
comment-token = "//"
[[grammar]]
name = "sway"
source = { git = "https://github.com/FuelLabs/tree-sitter-sway", rev = "e491a005ee1d310f4c138bf215afd44cfebf959c" }
[[language]]
name = "toml"
scope = "source.toml"

@ -0,0 +1,336 @@
; -------
; 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

@ -0,0 +1,71 @@
[
(use_list)
(block)
(match_block)
(arguments)
(parameters)
(declaration_list)
(field_declaration_list)
(field_initializer_list)
(struct_pattern)
(tuple_pattern)
(unit_expression)
(enum_variant_list)
(call_expression)
(binary_expression)
(field_expression)
(tuple_expression)
(array_expression)
(where_clause)
(token_tree)
] @indent
[
"}"
"]"
")"
] @outdent
; Indent the right side of assignments.
; The #not-same-line? predicate is required to prevent an extra indent for e.g.
; an else-clause where the previous if-clause starts on the same line as the assignment.
(assignment_expression
.
(_) @expr-start
right: (_) @indent
(#not-same-line? @indent @expr-start)
(#set! "scope" "all")
)
(compound_assignment_expr
.
(_) @expr-start
right: (_) @indent
(#not-same-line? @indent @expr-start)
(#set! "scope" "all")
)
(let_declaration
.
(_) @expr-start
value: (_) @indent
alternative: (_)? @indent
(#not-same-line? @indent @expr-start)
(#set! "scope" "all")
)
(if_expression
.
(_) @expr-start
condition: (_) @indent
(#not-same-line? @indent @expr-start)
(#set! "scope" "all")
)
; Some field expressions where the left part is a multiline expression are not
; indented by cargo fmt.
; Because this multiline expression might be nested in an arbitrary number of
; field expressions, this can only be matched using a Regex.
(field_expression
value: (_) @val
"." @outdent
(#match? @val "(\\A[^\\n\\r]+\\([\\t ]*(\\n|\\r).*)|(\\A[^\\n\\r]*\\{[\\t ]*(\\n|\\r))")
)

@ -0,0 +1,2 @@
([(line_comment) (block_comment)] @injection.content
(#set! injection.language "comment"))

@ -0,0 +1,17 @@
; Scopes
[
(function_item)
(closure_expression)
(block)
] @local.scope
; Definitions
(parameter
(identifier) @local.definition)
(closure_parameters (identifier) @local.definition)
; References
(identifier) @local.reference

@ -0,0 +1,52 @@
(function_item
body: (_) @function.inside) @function.around(closure_expression body: (_) @function.inside) @function.around
(struct_item
body: (_) @class.inside) @class.around
(enum_item
body: (_) @class.inside) @class.around
(trait_item
body: (_) @class.inside) @class.around
(impl_item
body: (_) @class.inside) @class.around
(parameters
((_) @parameter.inside . ","? @parameter.around) @parameter.around)
(type_parameters
((_) @parameter.inside . ","? @parameter.around) @parameter.around)
(type_arguments
((_) @parameter.inside . ","? @parameter.around) @parameter.around)
(closure_parameters
((_) @parameter.inside . ","? @parameter.around) @parameter.around)
(arguments
((_) @parameter.inside . ","? @parameter.around) @parameter.around)
[
(line_comment)
(block_comment)
] @comment.inside
(line_comment)+ @comment.around
(block_comment) @comment.around
(; #[test]
(attribute_item
(attribute
(identifier) @_test_attribute))
; allow other attributes like #[should_panic] and comments
[
(attribute_item)
(line_comment)
]*
; the test function
(function_item
body: (_) @test.inside) @test.around
(#eq? @_test_attribute "test"))
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