Add Thread::Backtrace.limit method

Author: andrykonchin

CHANGELOG.md

@@ -92,6 +92,7 @@ Compatibility:
 * Add `Process._fork` (#2733, @horakivo).
 * Update to JCodings 1.0.58 and Joni 2.1.44 (@eregon).
 * Add `MatchData#match` and `MatchData#match_length` (#2733, @horakivo).
+* Add `Thread::Backtrace.limit` method (#2733, @andrykonchin).
 
 Performance:
 

spec/tags/core/thread/backtrace/limit_tags.txt

@@ -1,4 +1,2 @@
 slow:Thread::Backtrace.limit returns maximum backtrace length set by --backtrace-limit command-line option
 slow:Thread::Backtrace.limit returns -1 when --backtrace-limit command-line option is not set
-fails:Thread::Backtrace.limit returns maximum backtrace length set by --backtrace-limit command-line option
-fails:Thread::Backtrace.limit returns -1 when --backtrace-limit command-line option is not set

src/main/ruby/truffleruby/core/thread.rb

@@ -331,6 +331,12 @@ def list
 
 Primitive.thread_set_group Thread.current, ThreadGroup::Default
 
+class Thread::Backtrace
+  def self.limit
+    Primitive.exception_backtrace_limit
+  end
+end
+
 class Thread::Backtrace::Location
   def inspect
     to_s.inspect

test/mri/excludes/TestRubyOptions.rb

@@ -1,48 +1,41 @@
-exclude :test_autosplit, "needs investigation"
-exclude :test_chdir, "needs investigation"
-exclude :test_copyright, "needs investigation"
-exclude :test_debug, "needs investigation"
-exclude :test_dump_insns_with_rflag, "needs investigation"
-exclude :test_dump_parsetree_with_rflag, "needs investigation"
-exclude :test_dump_syntax_with_rflag, "needs investigation"
-exclude :test_dump_yydebug_with_rflag, "needs investigation"
-exclude :test_encoding, "needs investigation"
-exclude :test_eval, "needs investigation"
-exclude :test_frozen_string_literal_debug, "needs investigation"
-exclude :test_indentation_check, "needs investigation"
-exclude :test_invalid_option, "needs investigation"
-exclude :test_kanji, "needs investigation"
-exclude :test_notfound, "needs investigation"
-exclude :test_option_variables, "needs investigation"
-exclude :test_pflag_gsub, "needs investigation"
-exclude :test_pflag_sub, "needs investigation"
-exclude :test_program_name, "needs investigation"
-exclude :test_require, "needs investigation"
-exclude :test_rubyopt, "needs investigation"
-exclude :test_safe_level, "needs investigation"
-exclude :test_script_is_directory, "needs investigation"
-exclude :test_search, "needs investigation"
-exclude :test_separator, "needs investigation"
-exclude :test_set_program_name, "needs investigation"
-exclude :test_set_program_name, "needs investigation"
-exclude :test_setproctitle, "needs investigation"
-exclude :test_setproctitle, "needs investigation"
-exclude :test_sflag, "needs investigation"
-exclude :test_shadowing_variable, "needs investigation"
-exclude :test_shebang, "needs investigation"
-exclude :test_unused_variable, "needs investigation"
-exclude :test_usage_long, "needs investigation"
-exclude :test_verbose, "needs investigation"
-exclude :test_version, "needs investigation"
-exclude :test_yydebug, "needs investigation"
-exclude :test_segv_loaded_features, "needs investigation"
-exclude :test_segv_setproctitle, "needs investigation"
-exclude :test_segv_test, "needs investigation"
-exclude :test_assignment_in_conditional, "needs investigation"
-exclude :test_cwd_encoding, "needs investigation"
-exclude :test_disable, "needs investigation"
-exclude :test_flag_in_shebang, "needs investigation"
-exclude :test_frozen_string_literal, "needs investigation"
-exclude :test_jit_debug, "needs investigation"
-exclude :test_warning, "needs investigation"
-exclude :test_backtrace_limit, "pid 285721 exit 1"
+exclude :test_script_is_directory, "[ruby-core:26925]"
+exclude :test_dump_yydebug_with_rflag, "pid 86142 exit 1"
+exclude :test_version, "Expected /^ruby 3\\.1\\.3(?:[p ]|dev|rc).*? \\[x86_64\\-darwin21\\]$/ to match \"truffleruby 23.0.0-dev-82f5ec31*, like ruby 3.1.3, Interpreted JVM [x86_64-darwin]\"."
+exclude :test_eval, "pid 86149 exit 1"
+exclude :test_backtrace_limit, "pid 86150 exit 1"
+exclude :test_dump_parsetree_with_rflag, "pid 86151 exit 1"
+exclude :test_invalid_option, "pid 86153 exit 2"
+exclude :test_pflag_gsub, "[ruby-core:47967]"
+exclude :test_rubyopt, "<\"\\\"あ\\\"\"> expected but was"
+exclude :test_frozen_string_literal, ""
+exclude :test_kanji, "pid 86216 exit 0."
+exclude :test_autosplit, "pid 86218 exit 1"
+exclude :test_option_variables, "<[\"[true, true, true]\","
+exclude :test_separator, "pid 86222 exit 1"
+exclude :test_cwd_encoding, "pid 86223 exit 1"
+exclude :test_chdir, "pid 86224 exit 1"
+exclude :test_indentation_check, ""
+exclude :test_disable, "pid 86382 exit 0."
+exclude :test_flag_in_shebang, "pid 86383 exit 0."
+exclude :test_assignment_in_conditional, "[ruby-dev:39363]"
+exclude :test_dump_insns_with_rflag, "pid 86385 exit 1"
+exclude :test___dir__encoding, "the encoding of __FILE__ and __dir__ should be same."
+exclude :test_require, "pid 86390 exit 1"
+exclude :test_encoding, "pid 86392 exit 1"
+exclude :test_pflag_sub, "[ruby-core:47967]"
+exclude :test_unused_variable, "[ruby-dev:41620]"
+exclude :test_setproctitle, "ArgumentError expected but nothing was raised."
+exclude :test_sflag, "pid 86399 exit 0."
+exclude :test_usage_long, "<[]> expected but was"
+exclude :test_yydebug, "<[]> expected to be != to"
+exclude :test_copyright, "pid 86402 exit 0."
+exclude :test_shebang, "pid 86406 exit 0."
+exclude :test_program_name, "<\"-\"> expected but was"
+exclude :test_frozen_string_literal_debug, "[\"--disable=gems\", \"--enable-frozen-string-literal\", \"--debug-frozen-string-literal\"] \"foo\" << \"bar\""
+exclude :test_verbose, "Expected /^ruby 3\\.1\\.3(?:[p ]|dev|rc).*? \\[x86_64\\-darwin21\\]$/ to match \"truffleruby 23.0.0-dev-82f5ec31*, like ruby 3.1.3, Interpreted JVM [x86_64-darwin]\"."
+exclude :test_warning, "pid 86422 exit 0."
+exclude :test_notfound, "[ruby-core:23717]"
+exclude :test_dump_syntax_with_rflag, "pid 86428 exit 1"
+exclude :test_segv_test, "ArgumentError: unknown exec option: :rlimit_core"
+exclude :test_segv_setproctitle, "ArgumentError: unknown exec option: :rlimit_core"
+exclude :test_segv_loaded_features, "ArgumentError: unknown exec option: :rlimit_core"