feat(snl): add parser and queries

runtime/queries/snl/locals.scm

@@ -0,0 +1,65 @@
+; Functions definitions
+(function_declarator
+  declarator: (identifier) @local.definition.function)
+
+(preproc_function_def
+  name: (identifier) @local.definition.macro) @local.scope
+
+(preproc_def
+  name: (identifier) @local.definition.macro)
+
+((identifier) @local.definition.parameter
+  (#has-ancestor? @local.definition.parameter param_decl))
+
+(init_declarator
+  (declarator
+    (identifier)) @local.definition.var)
+
+(array_declarator
+  (identifier) @local.definition.var)
+
+; Struct
+(member_decl
+  (declarator
+    (identifier)) @local.definition.field)
+
+(structdef
+  name: (identifier) @local.definition.type)
+
+; References
+((field_expression
+  field: (identifier) @local.reference)
+  (#set! reference.kind "field"))
+
+((call_expression
+  function: (identifier) @local.reference)
+  (#set! reference.kind "call"))
+
+((basetype
+  (identifier) @local.reference)
+  (#set! reference.kind "type"))
+
+; SNL specific
+(state_set
+  name: (identifier) @local.definition)
+
+(state
+  name: (identifier) @local.definition)
+
+(state_statement
+  name: (identifier) @local.reference)
+
+(transition
+  name: (identifier) @local.reference)
+
+(identifier) @local.reference
+
+[
+  (for_statement)
+  (if_statement)
+  (while_statement)
+  (source_file)
+  (block)
+  (state_set)
+  (state_block)
+] @local.scope