feat(lang): add hare language support (#2289)

Co-authored-by: Mehdi Katranji <hello@mek.yt>

3 files changed, 199 insertions, 0 deletions

diff --git a/runtime/queries/hare/highlights.scm b/runtime/queries/hare/highlights.scm
new file mode 100644
index 00000000..cd3c1d0a
--- /dev/null
+++ b/runtime/queries/hare/highlights.scm
@@ -0,0 +1,158 @@
+[
+  "f32"
+  "f64"
+  "i16"
+  "i32"
+  "i64"
+  "i8"
+  "int"
+  "rune"
+  "str"
+  "u16"
+  "u32"
+  "u64"
+  "u8"
+  "uint"
+  "uintptr"
+  "void"
+] @type
+
+
+[
+  "else"
+  "if"
+  "match"
+  "switch"
+] @keyword.control.conditional
+
+[
+  "export"
+  "use"
+] @keyword.control.import
+
+[
+  "continue"
+  "for"
+  "break"
+] @keyword.control.repeat
+
+"return" @keyword.control.return
+
+[
+  "abort"
+  "assert"
+] @keyword.control.exception
+
+[
+  "def"
+  "fn"
+] @keyword.function
+
+[
+  "alloc"
+  "append"
+  "as"
+  "bool"
+  "char"
+  "const"
+  "defer"
+  "delete"
+  "enum"
+  "free"
+  "is"
+  "len"
+  "let"
+  "match"
+  "nullable"
+  "offset"
+  "size"
+  "static"
+  "struct"
+  "type"
+  "union"
+] @keyword
+
+[
+  "."  
+  "!"  
+  "~"  
+  "?"  
+  "*"  
+  "/"
+  "%"  
+  "+"  
+  "-" 
+  "<<" 
+  ">>"
+  "::" 
+  "<"  
+  "<=" 
+  ">"  
+  ">="
+  "==" 
+  "!=" 
+  "&"  
+  "|"  
+  "^"  
+  "&&" 
+  "||"
+  "="     
+  "+="    
+  "-="   
+  "*="   
+  "/="   
+  "%="    
+  "&="    
+  "|="   
+  "<<="   
+  ">>=" 
+  "^="
+  "=>"
+] @operator
+
+[
+  "("
+  ")"
+  "["
+  "]"
+  ")"
+  "{"
+  "}"
+] @punctuation.bracket
+
+[
+  ":"
+  ";"
+] @punctuation.delimiter
+
+"..." @special 
+
+(comment) @comment
+
+[
+  "false"
+  "null"
+  "true"
+] @constant.builtin
+
+(string_constant) @string
+(escape_sequence) @constant.character.escape
+(rune_constant) @string
+(integer_constant) @constant.numeric.integer 
+(floating_constant) @constant.numeric.float
+
+(call_expression
+  (postfix_expression) @function)
+
+(function_declaration
+  name: (identifier) @function)
+
+(parameter (name) @variable.parameter)
+
+(field_access_expression
+  selector: (name) @variable.other.member)
+(decl_attr) @special
+(fndec_attrs) @special
+
+(identifier) @variable
+
diff --git a/runtime/queries/hare/indents.scm b/runtime/queries/hare/indents.scm
new file mode 100644
index 00000000..a2e83c00
--- /dev/null
+++ b/runtime/queries/hare/indents.scm
@@ -0,0 +1,21 @@
+[
+ (struct_union_fields)
+ (expression_list)
+] @indent
+
+[
+  "case"
+  "}"
+  "]"
+  ")"
+] @outdent
+
+; [
+;   "{"
+;   "}"
+; ] @branch
+
+; [
+;   (comment)
+; ] @ignore
+
diff --git a/runtime/queries/hare/locals.scm b/runtime/queries/hare/locals.scm
new file mode 100644
index 00000000..b8b9b9f7
--- /dev/null
+++ b/runtime/queries/hare/locals.scm
@@ -0,0 +1,20 @@
+(unit) @local.scope
+
+(function_declaration) @local.scope
+
+(global_binding
+  (identifier) @local.definition)
+(constant_binding 
+  (identifier) @local.definition)
+(type_bindings
+  (identifier) @local.definition)
+
+(function_declaration
+  (prototype
+    (parameter_list
+      (parameters
+        (parameter
+          (name) @local.definition)))))
+
+(identifier) @local.reference
+