[ruby/prism] Remove Debug::static_inspect

https://github.com/ruby/prism/commit/486c71c426

prism/extension.c

@@ -1223,40 +1223,6 @@ format_errors(VALUE self, VALUE source, VALUE colorize) {
     return result;
 }
 
-/**
- * call-seq:
- *   Debug::static_inspect(source) -> String
- *
- * Inspect the node as it would be inspected by the warnings used in static
- * literal sets.
- */
-static VALUE
-static_inspect(int argc, VALUE *argv, VALUE self) {
-    pm_string_t input;
-    pm_options_t options = { 0 };
-    string_options(argc, argv, &input, &options);
-
-    pm_parser_t parser;
-    pm_parser_init(&parser, pm_string_source(&input), pm_string_length(&input), &options);
-
-    pm_node_t *program = pm_parse(&parser);
-    pm_node_t *node = ((pm_program_node_t *) program)->statements->body.nodes[0];
-
-    pm_buffer_t buffer = { 0 };
-    pm_static_literal_inspect(&buffer, &parser.newline_list, parser.start_line, parser.encoding->name, node);
-
-    rb_encoding *encoding = rb_enc_find(parser.encoding->name);
-    VALUE result = rb_enc_str_new(pm_buffer_value(&buffer), pm_buffer_length(&buffer), encoding);
-
-    pm_buffer_free(&buffer);
-    pm_node_destroy(&parser, program);
-    pm_parser_free(&parser);
-    pm_string_free(&input);
-    pm_options_free(&options);
-
-    return result;
-}
-
 /**
  * call-seq: Debug::Encoding.all -> Array[Debug::Encoding]
  *
@@ -1414,7 +1380,6 @@ Init_prism(void) {
     rb_define_singleton_method(rb_cPrismDebug, "memsize", memsize, 1);
     rb_define_singleton_method(rb_cPrismDebug, "profile_file", profile_file, 1);
     rb_define_singleton_method(rb_cPrismDebug, "format_errors", format_errors, 2);
-    rb_define_singleton_method(rb_cPrismDebug, "static_inspect", static_inspect, -1);
 
 #ifndef PRISM_EXCLUDE_PRETTYPRINT
     rb_define_singleton_method(rb_cPrismDebug, "inspect_node", inspect_node, 1);

prism/static_literals.c

@@ -603,7 +603,7 @@ pm_static_literal_inspect_node(pm_buffer_t *buffer, const pm_static_literals_met
 /**
  * Create a string-based representation of the given static literal.
  */
-PRISM_EXPORTED_FUNCTION void
+void
 pm_static_literal_inspect(pm_buffer_t *buffer, const pm_newline_list_t *newline_list, int32_t start_line, const char *encoding_name, const pm_node_t *node) {
     pm_static_literal_inspect_node(
         buffer,

prism/static_literals.h

@@ -116,6 +116,6 @@ void pm_static_literals_free(pm_static_literals_t *literals);
  * @param encoding_name The name of the encoding of the source being parsed.
  * @param node The node to create a string representation of.
  */
-PRISM_EXPORTED_FUNCTION void pm_static_literal_inspect(pm_buffer_t *buffer, const pm_newline_list_t *newline_list, int32_t start_line, const char *encoding_name, const pm_node_t *node);
+void pm_static_literal_inspect(pm_buffer_t *buffer, const pm_newline_list_t *newline_list, int32_t start_line, const char *encoding_name, const pm_node_t *node);
 
 #endif

prism/util/pm_char.h

@@ -34,8 +34,7 @@ size_t pm_strspn_whitespace(const uint8_t *string, ptrdiff_t length);
  * @return The number of characters at the start of the string that are
  *     whitespace.
  */
-size_t
-pm_strspn_whitespace_newlines(const uint8_t *string, ptrdiff_t length, pm_newline_list_t *newline_list);
+size_t pm_strspn_whitespace_newlines(const uint8_t *string, ptrdiff_t length, pm_newline_list_t *newline_list);
 
 /**
  * Returns the number of characters at the start of the string that are inline

test/prism/static_inspect_test.rb

@@ -2,8 +2,6 @@
 
 require_relative "test_helper"
 
-return if Prism::BACKEND == :FFI
-
 module Prism
   class StaticInspectTest < TestCase
     def test_false
@@ -84,7 +82,8 @@ module Prism
     private
 
     def static_inspect(source, **options)
-      Debug.static_inspect(source, **options)
+      warnings = Prism.parse("{ #{source} => 1, #{source} => 1 }", **options).warnings
+      warnings.last.message[/^key (.+) is duplicated and overwritten on line \d/, 1]
     end
   end
 end