Add C, C++, and Objective-C language support for sourcekit-lsp

extension.toml

@@ -11,11 +11,22 @@ repository = "https://github.com/zed-extensions/swift"
 
 [language_servers.sourcekit-lsp]
 name = "sourcekit-lsp"
-language = "Swift"
+languages = ["Swift", "C", "C++", "Objective-C", "Objective-C++"]
+
+[language_servers.sourcekit-lsp.language_ids]
+Swift = "swift"
+C = "c"
+"C++" = "cpp"
+"Objective-C" = "objective-c"
+"Objective-C++" = "objective-cpp"
 
 [grammars.swift]
 repository = "https://github.com/alex-pinkus/tree-sitter-swift"
 commit = "33e56e4e2a6455f3fd4e04cfe5c7a314d498612d"
 
+[grammars.objc]
+repository = "https://github.com/amaanq/tree-sitter-objc"
+commit = "181a81b8f23a2d593e7ab4259981f50122909fda"
+
 [debug_adapters.Swift]
 schema_path = "debug_adapter_schemas/Swift.json"

languages/objective-c/config.toml

@@ -0,0 +1,15 @@
+name = "Objective-C"
+grammar = "objc"
+path_suffixes = ["m", "h"]
+line_comments = ["// "]
+block_comment = ["/*", "*/"]
+autoclose_before = ";:.,=}])> \n\t"
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+    { start = "(", end = ")", close = true, newline = true },
+    { start = "\"", end = "\"", close = true, newline = false, not_in = ["string", "comment"] },
+    { start = "'", end = "'", close = true, newline = false, not_in = ["string", "comment"] },
+    { start = "/*", end = " */", close = true, newline = false, not_in = ["string", "comment"] },
+]
+word_characters = ["_"]

languages/objective-c/highlights.scm

@@ -0,0 +1,344 @@
+; ============================================================
+; C base highlights (compatible with tree-sitter-objc)
+; ============================================================
+
+(identifier) @variable
+
+((identifier) @constant
+ (#match? @constant "^[A-Z][A-Z\\d_]*$"))
+
+; C Keywords
+
+[
+  "break"
+  "case"
+  "const"
+  "continue"
+  "default"
+  "do"
+  "else"
+  "enum"
+  "extern"
+  "for"
+  "if"
+  "inline"
+  "return"
+  "sizeof"
+  "static"
+  "struct"
+  "switch"
+  "typedef"
+  "union"
+  "volatile"
+  "while"
+] @keyword
+
+; Preprocessor
+
+(preproc_directive) @keyword
+
+; #include / #import — highlight the whole node as keyword, path as string
+(preproc_include) @keyword
+(preproc_include path: (string_literal) @string)
+(preproc_include path: (system_lib_string) @string)
+
+; #define — keyword + macro name as constant + value as string
+(preproc_def) @keyword
+(preproc_def name: (identifier) @constant)
+(preproc_def value: (preproc_arg) @string)
+
+(preproc_function_def) @keyword
+(preproc_function_def name: (identifier) @function.special)
+(preproc_function_def value: (preproc_arg) @string)
+
+; #if / #ifdef / #ifndef / #elif / #else / #endif
+(preproc_if) @keyword
+(preproc_ifdef) @keyword
+(preproc_elif) @keyword
+(preproc_else) @keyword
+(preproc_call) @keyword
+
+; C Operators
+
+[
+  "--"
+  "-"
+  "-="
+  "->"
+  "="
+  "!="
+  "!"
+  "*"
+  "&"
+  "&&"
+  "+"
+  "++"
+  "+="
+  "<"
+  "=="
+  ">"
+  ">="
+  "<="
+  "||"
+  "|"
+  "~"
+  "%"
+  "/"
+  "?"
+  ":"
+] @operator
+
+; Delimiters
+
+[
+  "."
+  ";"
+  ","
+] @delimiter
+
+; Strings and Literals
+
+(string_literal) @string
+(system_lib_string) @string
+(concatenated_string) @string
+(escape_sequence) @string.escape
+
+(null) @constant
+(number_literal) @number
+(char_literal) @number
+(true) @constant.builtin
+(false) @constant.builtin
+
+; Fields and Types
+
+(field_identifier) @property
+(statement_identifier) @label
+(type_identifier) @type
+(primitive_type) @type
+(sized_type_specifier) @type
+
+; Function calls
+
+(call_expression
+  function: (identifier) @function)
+(call_expression
+  function: (field_expression
+    field: (field_identifier) @function))
+(function_declarator
+  declarator: (identifier) @function)
+(preproc_function_def
+  name: (identifier) @function.special)
+
+; Comments
+
+(comment) @comment
+
+; Brackets
+
+["(" ")" "[" "]" "{" "}"] @punctuation.bracket
+
+; ============================================================
+; Objective-C specific highlights
+; ============================================================
+
+; Preprocs
+
+(preproc_undef
+  name: (_) @constant) @preproc
+
+; @import module
+(module_import "@import" @keyword path: (identifier) @namespace)
+
+; Type Qualifiers
+
+[
+  "@optional"
+  "@required"
+  "__covariant"
+  "__contravariant"
+  (visibility_specification)
+] @type.qualifier
+
+; Storageclasses
+
+[
+  "@autoreleasepool"
+  "@synthesize"
+  "@dynamic"
+  (protocol_qualifier)
+] @storageclass
+
+; ObjC Keywords
+
+[
+  "@protocol"
+  "@interface"
+  "@implementation"
+  "@compatibility_alias"
+  "@property"
+  "@selector"
+  "@defs"
+  "availability"
+  "@end"
+] @keyword
+
+(class_declaration "@" @keyword "class" @keyword)
+
+(method_definition ["+" "-"] @keyword.function)
+(method_declaration ["+" "-"] @keyword.function)
+
+[
+  "__typeof__"
+  "__typeof"
+  "typeof"
+  "in"
+] @keyword.operator
+
+[
+  "@synchronized"
+  "oneway"
+] @keyword.coroutine
+
+; Exceptions
+
+[
+  "@try"
+  "__try"
+  "@catch"
+  "__catch"
+  "@finally"
+  "__finally"
+  "@throw"
+] @exception
+
+; Variables
+
+((identifier) @variable.builtin
+  (#any-of? @variable.builtin "self" "super"))
+
+; Functions & Methods
+
+[
+  "objc_bridge_related"
+  "@available"
+  "__builtin_available"
+  "va_arg"
+  "asm"
+] @function.builtin
+
+(method_definition (identifier) @method)
+
+(method_declaration (identifier) @method)
+
+(method_identifier (identifier)? @method ":" @method (identifier)? @method)
+
+(message_expression method: (identifier) @method.call)
+
+; Constructors
+
+((message_expression method: (identifier) @constructor)
+  (#eq? @constructor "init"))
+
+; Attributes
+
+(availability_attribute_specifier
+  [
+    "CF_FORMAT_FUNCTION" "NS_AVAILABLE" "__IOS_AVAILABLE" "NS_AVAILABLE_IOS"
+    "API_AVAILABLE" "API_UNAVAILABLE" "API_DEPRECATED" "NS_ENUM_AVAILABLE_IOS"
+    "NS_DEPRECATED_IOS" "NS_ENUM_DEPRECATED_IOS" "NS_FORMAT_FUNCTION" "DEPRECATED_MSG_ATTRIBUTE"
+    "__deprecated_msg" "__deprecated_enum_msg" "NS_SWIFT_NAME" "NS_SWIFT_UNAVAILABLE"
+    "NS_EXTENSION_UNAVAILABLE_IOS" "NS_CLASS_AVAILABLE_IOS" "NS_CLASS_DEPRECATED_IOS" "__OSX_AVAILABLE_STARTING"
+    "NS_ROOT_CLASS" "NS_UNAVAILABLE" "NS_REQUIRES_NIL_TERMINATION" "CF_RETURNS_RETAINED"
+    "CF_RETURNS_NOT_RETAINED" "DEPRECATED_ATTRIBUTE" "UI_APPEARANCE_SELECTOR" "UNAVAILABLE_ATTRIBUTE"
+  ]) @attribute
+
+; ObjC Macros / Type Qualifiers
+
+(type_qualifier
+  [
+    "_Complex"
+    "_Nonnull"
+    "_Nullable"
+    "_Nullable_result"
+    "_Null_unspecified"
+    "__autoreleasing"
+    "__block"
+    "__bridge"
+    "__bridge_retained"
+    "__bridge_transfer"
+    "__complex"
+    "__kindof"
+    "__nonnull"
+    "__nullable"
+    "__ptrauth_objc_class_ro"
+    "__ptrauth_objc_isa_pointer"
+    "__ptrauth_objc_super_pointer"
+    "__strong"
+    "__thread"
+    "__unsafe_unretained"
+    "__unused"
+    "__weak"
+  ]) @function.macro.builtin
+
+[ "__real" "__imag" ] @function.macro.builtin
+
+; ObjC Types
+
+(class_declaration (identifier) @type)
+
+(class_interface "@interface" . (identifier) @type superclass: _? @type category: _? @namespace)
+
+(class_implementation "@implementation" . (identifier) @type superclass: _? @type category: _? @namespace)
+
+(protocol_forward_declaration (identifier) @type)
+
+(protocol_reference_list (identifier) @type)
+
+[
+  "BOOL"
+  "IMP"
+  "SEL"
+  "Class"
+  "id"
+] @type.builtin
+
+; Constants
+
+(property_attribute (identifier) @constant "="?)
+
+[ "__asm" "__asm__" ] @constant.macro
+
+; Properties
+
+(property_implementation "@synthesize" (identifier) @property)
+
+((identifier) @property
+  (#has-ancestor? @property struct_declaration))
+
+; Parameters
+
+(method_parameter ":" @method (identifier) @parameter)
+
+(method_parameter declarator: (identifier) @parameter)
+
+(parameter_declaration
+  declarator: (function_declarator
+                declarator: (parenthesized_declarator
+                              (block_pointer_declarator
+                                declarator: (identifier) @parameter))))
+
+"..." @parameter.builtin
+
+; ObjC Operators
+
+"^" @operator
+
+; ObjC Literals
+
+(platform) @string.special
+
+(version_number) @number
+
+; ObjC Punctuation
+
+"@" @punctuation.special