C# Support: Add treesitter and OmniSharp LSP support (#6908)
This PR adds the C# tree-sitter grammar. It also adds OmniSharp-Roslyn for LSP support. Resolves issue [#5299](https://github.com/zed-industries/zed/issues/5299) Release Notes: - Added C# support ## VSCode <img width="984" alt="vscode" src="https://github.com/zed-industries/zed/assets/6967829/1f6b4cb7-4e00-4d61-8e58-2867dc5c8ecf"> ## Zed <img width="1722" alt="zed" src="https://github.com/zed-industries/zed/assets/6967829/88436c78-93de-4e26-be15-b0dea6590c55">
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fminkowski
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name = "CSharp"
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path_suffixes = ["cs"]
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line_comments = ["// "]
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autoclose_before = ";:.,=}])>"
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brackets = [
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{ start = "{", end = "}", close = true, newline = true },
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{ start = "[", end = "]", close = true, newline = true },
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{ start = "(", end = ")", close = true, newline = true },
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{ start = "\"", end = "\"", close = true, newline = false, not_in = ["string"] },
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{ start = "'", end = "'", close = true, newline = false, not_in = ["string", "comment"] },
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{ start = "/*", end = " */", close = true, newline = false, not_in = ["string", "comment"] },
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]
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@@ -0,0 +1,254 @@
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;; Methods
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(method_declaration name: (identifier) @function)
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(local_function_statement name: (identifier) @function)
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;; Types
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(interface_declaration name: (identifier) @type)
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(class_declaration name: (identifier) @type)
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(enum_declaration name: (identifier) @type)
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(struct_declaration (identifier) @type)
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(record_declaration (identifier) @type)
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(record_struct_declaration (identifier) @type)
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(namespace_declaration name: (identifier) @type)
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(constructor_declaration name: (identifier) @constructor)
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(destructor_declaration name: (identifier) @constructor)
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[
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(implicit_type)
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(predefined_type)
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] @type.builtin
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(_ type: (identifier) @type)
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;; Enum
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(enum_member_declaration (identifier) @property)
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;; Literals
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[
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(real_literal)
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(integer_literal)
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] @number
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[
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(character_literal)
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(string_literal)
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(verbatim_string_literal)
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(interpolated_string_text)
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(interpolated_verbatim_string_text)
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"\""
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"$\""
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"@$\""
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"$@\""
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] @string
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[
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(boolean_literal)
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(null_literal)
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] @constant
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;; Comments
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(comment) @comment
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;; Tokens
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[
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";"
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"."
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","
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] @punctuation.delimiter
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[
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"--"
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"-"
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"-="
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"&"
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"&="
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"&&"
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"+"
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"++"
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"+="
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"<"
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"<="
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"<<"
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"<<="
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"="
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"=="
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"!"
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"!="
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"=>"
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">"
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">="
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">>"
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">>="
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">>>"
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">>>="
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"|"
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"|="
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"||"
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"?"
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"??"
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"??="
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"^"
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"^="
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"~"
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"*"
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"*="
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"/"
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"/="
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"%"
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"%="
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":"
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] @operator
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[
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"("
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")"
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"["
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"]"
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"{"
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"}"
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] @punctuation.bracket
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;; Keywords
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(modifier) @keyword
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(this_expression) @keyword
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(escape_sequence) @keyword
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[
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"add"
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"alias"
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"as"
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"base"
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"break"
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"case"
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"catch"
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"checked"
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"class"
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"continue"
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"default"
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"delegate"
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"do"
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"else"
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"enum"
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"event"
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"explicit"
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"extern"
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"finally"
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"for"
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"foreach"
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"global"
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"goto"
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"if"
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"implicit"
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"interface"
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"is"
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"lock"
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"namespace"
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"notnull"
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"operator"
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"params"
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"return"
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"remove"
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"sizeof"
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"stackalloc"
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"static"
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"struct"
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"switch"
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"throw"
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"try"
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"typeof"
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"unchecked"
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"using"
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"while"
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"new"
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"await"
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"in"
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"yield"
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"get"
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"set"
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"when"
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"out"
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"ref"
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"from"
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"where"
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"select"
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"record"
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"init"
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"with"
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"let"
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] @keyword
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;; Linq
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(from_clause (identifier) @variable)
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(group_clause (identifier) @variable)
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(order_by_clause (identifier) @variable)
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(join_clause (identifier) @variable)
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(select_clause (identifier) @variable)
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(query_continuation (identifier) @variable) @keyword
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;; Record
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(with_expression
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(with_initializer_expression
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(simple_assignment_expression
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(identifier) @variable)))
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;; Exprs
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(binary_expression (identifier) @variable (identifier) @variable)
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(binary_expression (identifier)* @variable)
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(conditional_expression (identifier) @variable)
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(prefix_unary_expression (identifier) @variable)
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(postfix_unary_expression (identifier)* @variable)
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(assignment_expression (identifier) @variable)
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(cast_expression (_) (identifier) @variable)
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;; Class
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(base_list (identifier) @type) ;; applies to record_base too
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(property_declaration (generic_name))
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(property_declaration
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name: (identifier) @variable)
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(property_declaration
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name: (identifier) @variable)
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(property_declaration
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name: (identifier) @variable)
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;; Lambda
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(lambda_expression) @variable
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;; Attribute
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(attribute) @attribute
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;; Parameter
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(parameter
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name: (identifier) @variable)
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(parameter (identifier) @variable)
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(parameter_modifier) @keyword
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;; Variable declarations
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(variable_declarator (identifier) @variable)
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(for_each_statement left: (identifier) @variable)
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(catch_declaration (_) (identifier) @variable)
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;; Return
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(return_statement (identifier) @variable)
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(yield_statement (identifier) @variable)
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;; Type
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(generic_name (identifier) @type)
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(type_parameter (identifier) @property)
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(type_argument_list (identifier) @type)
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(as_expression right: (identifier) @type)
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(is_expression right: (identifier) @type)
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;; Type constraints
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(type_parameter_constraints_clause (identifier) @property)
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;; Switch
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(switch_statement (identifier) @variable)
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(switch_expression (identifier) @variable)
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;; Lock statement
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(lock_statement (identifier) @variable)
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;; Method calls
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(invocation_expression (member_access_expression name: (identifier) @function))
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@@ -0,0 +1,2 @@
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((comment) @injection.content
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(#set! injection.language "comment"))
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@@ -0,0 +1,38 @@
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(class_declaration
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"class" @context
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name: (identifier) @name
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) @item
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(constructor_declaration
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name: (identifier) @name
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) @item
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(property_declaration
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type: (identifier)? @context
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type: (predefined_type)? @context
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name: (identifier) @name
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) @item
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(field_declaration
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(variable_declaration) @context
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) @item
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(method_declaration
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name: (identifier) @name
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parameters: (parameter_list) @context
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) @item
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(enum_declaration
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"enum" @context
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name: (identifier) @name
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) @item
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(namespace_declaration
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"namespace" @context
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name: (qualified_name) @name
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) @item
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(interface_declaration
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"interface" @context
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name: (identifier) @name
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) @item
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