feat!: switch upstream Zig parser

The new parser is faster, does not lag while editing, correctly parses
the entire Zig code base, and is much easier to write queries for.

README.md

@@ -464,7 +464,7 @@ We are looking for maintainers to add more parsers and to write query files for
 - [x] [yang](https://github.com/Hubro/tree-sitter-yang) (maintained by @Hubro)
 - [x] [yuck](https://github.com/Philipp-M/tree-sitter-yuck) (maintained by @Philipp-M, @amaanq)
 - [x] [zathurarc](https://github.com/Freed-Wu/tree-sitter-zathurarc) (maintained by @Freed-Wu)
-- [x] [zig](https://github.com/maxxnino/tree-sitter-zig) (maintained by @maxxnino)
+- [x] [zig](https://github.com/tree-sitter-grammars/tree-sitter-zig) (maintained by @amaanq)
 <!--parserinfo-->
 
 For related information on the supported languages, including related plugins, see [this wiki page](https://github.com/nvim-treesitter/nvim-treesitter/wiki/Supported-Languages-Information).

lockfile.json

@@ -873,6 +873,6 @@
     "revision": "0554b4a5d313244b7fc000cbb41c04afae4f4e31"
   },
   "zig": {
-    "revision": "2bac4cc6c697d46a193905fef6d003bfa0bfabfd"
+    "revision": "21e2218e0ec7f4e3c0640d16bf8c67e6f0a61e18"
   }
 }

lua/nvim-treesitter/parsers.lua

@@ -2508,10 +2508,10 @@ list.zathurarc = {
 
 list.zig = {
   install_info = {
-    url = "https://github.com/maxxnino/tree-sitter-zig",
+    url = "https://github.com/tree-sitter-grammars/tree-sitter-zig",
     files = { "src/parser.c" },
   },
-  maintainers = { "@maxxnino" },
+  maintainers = { "@amaanq" },
 }
 
 list.templ = {

queries/zig/folds.scm

@@ -1,14 +1,23 @@
 [
-  (Block)
-  (ContainerDecl)
-  (SwitchExpr)
-  (InitList)
-  (AsmExpr)
-  (ErrorSetDecl)
-  (LINESTRING)
-  [
-    (IfPrefix)
-    (WhilePrefix)
-    (ForPrefix)
-  ]
+  (block)
+  (switch_expression)
+  (initializer_list)
+  (asm_expression)
+  (multiline_string)
+  (if_statement)
+  (while_statement)
+  (for_statement)
+  (if_expression)
+  (else_clause)
+  (for_expression)
+  (while_expression)
+  (if_type_expression)
+  (function_signature)
+  (parameters)
+  (call_expression)
+  (struct_declaration)
+  (opaque_declaration)
+  (enum_declaration)
+  (union_declaration)
+  (error_set_declaration)
 ] @fold

queries/zig/highlights.scm

@@ -1,104 +1,116 @@
-(line_comment) @comment @spell
+; Variables
+(identifier) @variable
+
+; Parameters
+(parameter
+  name: (identifier) @variable.parameter)
+
+(payload
+  (identifier) @variable.parameter)
+
+; Types
+(parameter
+  type: (identifier) @type)
+
+((identifier) @type
+  (#lua-match? @type "^[A-Z_][a-zA-Z0-9_]*"))
+
+(variable_declaration
+  (identifier) @type
+  "="
+  [
+    (struct_declaration)
+    (enum_declaration)
+    (union_declaration)
+    (opaque_declaration)
+  ])
 
 [
-  (container_doc_comment)
-  (doc_comment)
-] @comment.documentation @spell
+  (builtin_type)
+  "anyframe"
+] @type.builtin
+
+; Constants
+((identifier) @constant
+  (#lua-match? @constant "^[A-Z][A-Z_0-9]+$"))
 
 [
-  variable: (IDENTIFIER)
-  variable_type_function: (IDENTIFIER)
-] @variable
+  "null"
+  "unreachable"
+  "undefined"
+] @constant.builtin
 
-parameter: (IDENTIFIER) @variable.parameter
+(field_expression
+  .
+  member: (identifier) @constant)
 
+(enum_declaration
+  (container_field
+    type: (identifier) @constant))
+
+; Labels
+(block_label
+  (identifier) @label)
+
+(break_label
+  (identifier) @label)
+
+; Fields
+(field_initializer
+  .
+  (identifier) @variable.member)
+
+(field_expression
+  (_)
+  member: (identifier) @variable.member)
+
+(container_field
+  name: (identifier) @variable.member)
+
+(initializer_list
+  (assignment_expression
+    left: (field_expression
+      .
+      member: (identifier) @variable.member)))
+
+; Functions
+(builtin_identifier) @function.builtin
+
+(call_expression
+  function: (identifier) @function.call)
+
+(call_expression
+  function: (field_expression
+    member: (identifier) @function.call))
+
+(function_declaration
+  name: (identifier) @function)
+
+; Modules
+(variable_declaration
+  (identifier) @module
+  (builtin_function
+    (builtin_identifier) @keyword.import
+    (#any-of? @keyword.import "@import" "@cImport")))
+
+; Builtins
 [
-  field_member: (IDENTIFIER)
-  field_access: (IDENTIFIER)
-] @variable.member
+  "c"
+  "..."
+] @variable.builtin
 
-; assume TitleCase is a type
-([
-  variable_type_function: (IDENTIFIER)
-  field_access: (IDENTIFIER)
-  parameter: (IDENTIFIER)
-] @type
-  (#lua-match? @type "^%u([%l]+[%u%l%d]*)*$"))
-
-; assume camelCase is a function
-([
-  variable_type_function: (IDENTIFIER)
-  field_access: (IDENTIFIER)
-  parameter: (IDENTIFIER)
-] @function
-  (#lua-match? @function "^%l+([%u][%l%d]*)+$"))
-
-; assume all CAPS_1 is a constant
-([
-  variable_type_function: (IDENTIFIER)
-  field_access: (IDENTIFIER)
-] @constant
-  (#lua-match? @constant "^%u[%u%d_]+$"))
-
-function: (IDENTIFIER) @function
-
-function_call: (IDENTIFIER) @function.call
-
-exception: "!" @keyword.exception
-
-((IDENTIFIER) @variable.builtin
+((identifier) @variable.builtin
   (#eq? @variable.builtin "_"))
 
-(PtrTypeStart
-  "c" @variable.builtin)
-
-(ContainerDecl
-  (ContainerDeclType
-    "enum")
-  (ContainerField
-    (ErrorUnionExpr
-      (SuffixExpr
-        (IDENTIFIER) @constant))))
-
-field_constant: (IDENTIFIER) @constant
-
-(BUILTINIDENTIFIER) @function.builtin
-
-((BUILTINIDENTIFIER) @keyword.import
-  (#any-of? @keyword.import "@import" "@cImport"))
-
-(INTEGER) @number
-
-(FLOAT) @number.float
-
-[
-  "true"
-  "false"
-] @boolean
-
-[
-  (LINESTRING)
-  (STRINGLITERALSINGLE)
-] @string @spell
-
-(CHAR_LITERAL) @character
-
-(EscapeSequence) @string.escape
-
-(FormatSequence) @string.special
-
-(BreakLabel
-  (IDENTIFIER) @label)
-
-(BlockLabel
-  (IDENTIFIER) @label)
+(calling_convention
+  (identifier) @variable.builtin)
 
+; Keywords
 [
   "asm"
   "defer"
   "errdefer"
   "test"
-  "opaque"
   "error"
   "const"
   "var"
@@ -108,6 +120,7 @@ field_constant: (IDENTIFIER) @constant
   "struct"
   "union"
   "enum"
+  "opaque"
 ] @keyword.type
 
 [
@@ -151,11 +164,6 @@ field_constant: (IDENTIFIER) @constant
   "catch"
 ] @keyword.exception
 
-[
-  "anytype"
-  (BuildinTypeExpr)
-] @type.builtin
-
 [
   "volatile"
   "allowzero"
@@ -168,50 +176,85 @@ field_constant: (IDENTIFIER) @constant
   "inline"
   "noinline"
   "extern"
-] @keyword.modifier
-
-[
   "comptime"
   "packed"
   "threadlocal"
-] @attribute
+] @keyword.modifier
 
+; Operator
 [
-  "null"
-  "unreachable"
-  "undefined"
-] @constant.builtin
-
-[
-  (CompareOp)
-  (BitwiseOp)
-  (BitShiftOp)
-  (AdditionOp)
-  (AssignOp)
-  (MultiplyOp)
-  (PrefixOp)
   "="
+  "*="
+  "*%="
+  "*|="
+  "/="
+  "%="
+  "+="
+  "+%="
+  "+|="
+  "-="
+  "-%="
+  "-|="
+  "<<="
+  "<<|="
+  ">>="
+  "&="
+  "^="
+  "|="
+  "!"
+  "~"
+  "-"
+  "-%"
+  "&"
+  "=="
+  "!="
+  ">"
+  ">="
+  "<="
+  "<"
+  "&"
+  "^"
+  "|"
+  "<<"
+  ">>"
+  "<<|"
+  "+"
+  "++"
+  "+%"
+  "-%"
+  "+|"
+  "-|"
   "*"
+  "/"
+  "%"
   "**"
-  "->"
-  ".?"
+  "*%"
+  "*|"
+  "||"
   ".*"
+  ".?"
   "?"
+  ".."
 ] @operator
 
-[
-  ";"
-  "."
-  ","
-  ":"
-  "=>"
-] @punctuation.delimiter
+; Literals
+(character) @character
 
-[
-  ".."
-  "..."
-] @punctuation.special
+([
+  (string)
+  (multiline_string)
+] @string
+  (#set! "priority" 95))
 
+(integer) @number
+
+(float) @number.float
+
+(boolean) @boolean
+
+(escape_sequence) @string.escape
+
+; Punctuation
 [
   "["
   "]"
@@ -221,19 +264,20 @@ field_constant: (IDENTIFIER) @constant
   "}"
 ] @punctuation.bracket
 
-(Payload
+[
+  ";"
+  "."
+  ","
+  ":"
+  "=>"
+  "->"
+] @punctuation.delimiter
+
+(payload
   "|" @punctuation.bracket)
 
-(PtrPayload
-  "|" @punctuation.bracket)
+; Comments
+(comment) @comment @spell
 
-(PtrIndexPayload
-  "|" @punctuation.bracket)
-
-(PtrListPayload
-  "|" @punctuation.bracket)
-
-(ParamType
-  (ErrorUnionExpr
-    (SuffixExpr
-      variable_type_function: (IDENTIFIER) @type)))
+((comment) @comment.documentation
+  (#lua-match? @comment.documentation "^//!"))

queries/zig/indents.scm

@@ -1,11 +1,10 @@
 [
-  (Block)
-  (ContainerDecl)
-  (SwitchExpr)
-  (InitList)
+  (block)
+  (switch_expression)
+  (initializer_list)
 ] @indent.begin
 
-(Block
+(block
   "}" @indent.end)
 
 [
@@ -18,8 +17,6 @@
 ] @indent.branch
 
 [
-  (line_comment)
-  (container_doc_comment)
-  (doc_comment)
-  (LINESTRING)
+  (comment)
+  (multiline_string)
 ] @indent.ignore

queries/zig/injections.scm

@@ -1,6 +1,10 @@
-([
-  (container_doc_comment)
-  (doc_comment)
-  (line_comment)
-] @injection.content
+((comment) @injection.content
   (#set! injection.language "comment"))
+
+; TODO: add when asm is added
+; (asm_output_item (string) @injection.content
+;   (#set! injection.language "asm"))
+; (asm_input_item (string) @injection.content
+;   (#set! injection.language "asm"))
+; (asm_clobbers (string) @injection.content
+;   (#set! injection.language "asm"))