1 files changed, 46 insertions, 0 deletions
diff --git a/lib/prism/string_query.rb b/lib/prism/string_query.rb
new file mode 100644
index 0000000000..99ce57e5fe
--- /dev/null
+++ b/lib/prism/string_query.rb
@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+# :markup: markdown
+#--
+# rbs_inline: enabled
+
+module Prism
+  # Query methods that allow categorizing strings based on their context for
+  # where they could be valid in a Ruby syntax tree.
+  class StringQuery
+    # @rbs!
+    #    def self.local?: (String string) -> bool
+    #    def self.constant?: (String string) -> bool
+    #    def self.method_name?: (String string) -> bool
+
+    # The string that this query is wrapping.
+    attr_reader :string #: String
+
+    # Initialize a new query with the given string.
+    #--
+    #: (String string) -> void
+    def initialize(string)
+      @string = string
+    end
+
+    # Whether or not this string is a valid local variable name.
+    #--
+    #: () -> bool
+    def local?
+      StringQuery.local?(string)
+    end
+
+    # Whether or not this string is a valid constant name.
+    #--
+    #: () -> bool
+    def constant?
+      StringQuery.constant?(string)
+    end
+
+    # Whether or not this string is a valid method name.
+    #--
+    #: () -> bool
+    def method_name?
+      StringQuery.method_name?(string)
+    end
+  end
+end