Revert "allow enabling Prism via flag or env var"

This reverts commit 9b76c7fc89460ed8e9be40e4037c1d68395c0f6d.

8 files changed, 52 insertions, 550 deletions

diff --git a/common.mk b/common.mk
index ad4e98baeb..0e18bfe35b 100644
--- a/common.mk
+++ b/common.mk
@@ -2199,27 +2199,6 @@ ast.$(OBJEXT): $(top_srcdir)/internal/symbol.h
 ast.$(OBJEXT): $(top_srcdir)/internal/variable.h
 ast.$(OBJEXT): $(top_srcdir)/internal/vm.h
 ast.$(OBJEXT): $(top_srcdir)/internal/warnings.h
-ast.$(OBJEXT): $(top_srcdir)/prism/defines.h
-ast.$(OBJEXT): $(top_srcdir)/prism/diagnostic.h
-ast.$(OBJEXT): $(top_srcdir)/prism/encoding.h
-ast.$(OBJEXT): $(top_srcdir)/prism/node.h
-ast.$(OBJEXT): $(top_srcdir)/prism/options.h
-ast.$(OBJEXT): $(top_srcdir)/prism/pack.h
-ast.$(OBJEXT): $(top_srcdir)/prism/parser.h
-ast.$(OBJEXT): $(top_srcdir)/prism/prettyprint.h
-ast.$(OBJEXT): $(top_srcdir)/prism/prism.h
-ast.$(OBJEXT): $(top_srcdir)/prism/regexp.h
-ast.$(OBJEXT): $(top_srcdir)/prism/util/pm_buffer.h
-ast.$(OBJEXT): $(top_srcdir)/prism/util/pm_char.h
-ast.$(OBJEXT): $(top_srcdir)/prism/util/pm_constant_pool.h
-ast.$(OBJEXT): $(top_srcdir)/prism/util/pm_list.h
-ast.$(OBJEXT): $(top_srcdir)/prism/util/pm_memchr.h
-ast.$(OBJEXT): $(top_srcdir)/prism/util/pm_newline_list.h
-ast.$(OBJEXT): $(top_srcdir)/prism/util/pm_state_stack.h
-ast.$(OBJEXT): $(top_srcdir)/prism/util/pm_string.h
-ast.$(OBJEXT): $(top_srcdir)/prism/util/pm_string_list.h
-ast.$(OBJEXT): $(top_srcdir)/prism/util/pm_strncasecmp.h
-ast.$(OBJEXT): $(top_srcdir)/prism/util/pm_strpbrk.h
 ast.$(OBJEXT): {$(VPATH)}assert.h
 ast.$(OBJEXT): {$(VPATH)}ast.c
 ast.$(OBJEXT): {$(VPATH)}ast.rbinc
@@ -2396,8 +2375,6 @@ ast.$(OBJEXT): {$(VPATH)}missing.h
 ast.$(OBJEXT): {$(VPATH)}node.h
 ast.$(OBJEXT): {$(VPATH)}onigmo.h
 ast.$(OBJEXT): {$(VPATH)}oniguruma.h
-ast.$(OBJEXT): {$(VPATH)}prism/ast.h
-ast.$(OBJEXT): {$(VPATH)}prism/version.h
 ast.$(OBJEXT): {$(VPATH)}ruby_assert.h
 ast.$(OBJEXT): {$(VPATH)}ruby_atomic.h
 ast.$(OBJEXT): {$(VPATH)}rubyparser.h
@@ -2632,27 +2609,6 @@ builtin.$(OBJEXT): $(top_srcdir)/internal/static_assert.h
 builtin.$(OBJEXT): $(top_srcdir)/internal/variable.h
 builtin.$(OBJEXT): $(top_srcdir)/internal/vm.h
 builtin.$(OBJEXT): $(top_srcdir)/internal/warnings.h
-builtin.$(OBJEXT): $(top_srcdir)/prism/defines.h
-builtin.$(OBJEXT): $(top_srcdir)/prism/diagnostic.h
-builtin.$(OBJEXT): $(top_srcdir)/prism/encoding.h
-builtin.$(OBJEXT): $(top_srcdir)/prism/node.h
-builtin.$(OBJEXT): $(top_srcdir)/prism/options.h
-builtin.$(OBJEXT): $(top_srcdir)/prism/pack.h
-builtin.$(OBJEXT): $(top_srcdir)/prism/parser.h
-builtin.$(OBJEXT): $(top_srcdir)/prism/prettyprint.h
-builtin.$(OBJEXT): $(top_srcdir)/prism/prism.h
-builtin.$(OBJEXT): $(top_srcdir)/prism/regexp.h
-builtin.$(OBJEXT): $(top_srcdir)/prism/util/pm_buffer.h
-builtin.$(OBJEXT): $(top_srcdir)/prism/util/pm_char.h
-builtin.$(OBJEXT): $(top_srcdir)/prism/util/pm_constant_pool.h
-builtin.$(OBJEXT): $(top_srcdir)/prism/util/pm_list.h
-builtin.$(OBJEXT): $(top_srcdir)/prism/util/pm_memchr.h
-builtin.$(OBJEXT): $(top_srcdir)/prism/util/pm_newline_list.h
-builtin.$(OBJEXT): $(top_srcdir)/prism/util/pm_state_stack.h
-builtin.$(OBJEXT): $(top_srcdir)/prism/util/pm_string.h
-builtin.$(OBJEXT): $(top_srcdir)/prism/util/pm_string_list.h
-builtin.$(OBJEXT): $(top_srcdir)/prism/util/pm_strncasecmp.h
-builtin.$(OBJEXT): $(top_srcdir)/prism/util/pm_strpbrk.h
 builtin.$(OBJEXT): {$(VPATH)}assert.h
 builtin.$(OBJEXT): {$(VPATH)}atomic.h
 builtin.$(OBJEXT): {$(VPATH)}backward/2/assume.h
@@ -2829,8 +2785,6 @@ builtin.$(OBJEXT): {$(VPATH)}missing.h
 builtin.$(OBJEXT): {$(VPATH)}node.h
 builtin.$(OBJEXT): {$(VPATH)}onigmo.h
 builtin.$(OBJEXT): {$(VPATH)}oniguruma.h
-builtin.$(OBJEXT): {$(VPATH)}prism/ast.h
-builtin.$(OBJEXT): {$(VPATH)}prism/version.h
 builtin.$(OBJEXT): {$(VPATH)}ruby_assert.h
 builtin.$(OBJEXT): {$(VPATH)}ruby_atomic.h
 builtin.$(OBJEXT): {$(VPATH)}rubyparser.h
@@ -3715,27 +3669,6 @@ cont.$(OBJEXT): $(top_srcdir)/internal/thread.h
 cont.$(OBJEXT): $(top_srcdir)/internal/variable.h
 cont.$(OBJEXT): $(top_srcdir)/internal/vm.h
 cont.$(OBJEXT): $(top_srcdir)/internal/warnings.h
-cont.$(OBJEXT): $(top_srcdir)/prism/defines.h
-cont.$(OBJEXT): $(top_srcdir)/prism/diagnostic.h
-cont.$(OBJEXT): $(top_srcdir)/prism/encoding.h
-cont.$(OBJEXT): $(top_srcdir)/prism/node.h
-cont.$(OBJEXT): $(top_srcdir)/prism/options.h
-cont.$(OBJEXT): $(top_srcdir)/prism/pack.h
-cont.$(OBJEXT): $(top_srcdir)/prism/parser.h
-cont.$(OBJEXT): $(top_srcdir)/prism/prettyprint.h
-cont.$(OBJEXT): $(top_srcdir)/prism/prism.h
-cont.$(OBJEXT): $(top_srcdir)/prism/regexp.h
-cont.$(OBJEXT): $(top_srcdir)/prism/util/pm_buffer.h
-cont.$(OBJEXT): $(top_srcdir)/prism/util/pm_char.h
-cont.$(OBJEXT): $(top_srcdir)/prism/util/pm_constant_pool.h
-cont.$(OBJEXT): $(top_srcdir)/prism/util/pm_list.h
-cont.$(OBJEXT): $(top_srcdir)/prism/util/pm_memchr.h
-cont.$(OBJEXT): $(top_srcdir)/prism/util/pm_newline_list.h
-cont.$(OBJEXT): $(top_srcdir)/prism/util/pm_state_stack.h
-cont.$(OBJEXT): $(top_srcdir)/prism/util/pm_string.h
-cont.$(OBJEXT): $(top_srcdir)/prism/util/pm_string_list.h
-cont.$(OBJEXT): $(top_srcdir)/prism/util/pm_strncasecmp.h
-cont.$(OBJEXT): $(top_srcdir)/prism/util/pm_strpbrk.h
 cont.$(OBJEXT): {$(VPATH)}$(COROUTINE_H)
 cont.$(OBJEXT): {$(VPATH)}assert.h
 cont.$(OBJEXT): {$(VPATH)}atomic.h
@@ -3914,8 +3847,6 @@ cont.$(OBJEXT): {$(VPATH)}missing.h
 cont.$(OBJEXT): {$(VPATH)}node.h
 cont.$(OBJEXT): {$(VPATH)}onigmo.h
 cont.$(OBJEXT): {$(VPATH)}oniguruma.h
-cont.$(OBJEXT): {$(VPATH)}prism/ast.h
-cont.$(OBJEXT): {$(VPATH)}prism/version.h
 cont.$(OBJEXT): {$(VPATH)}ractor.h
 cont.$(OBJEXT): {$(VPATH)}ractor_core.h
 cont.$(OBJEXT): {$(VPATH)}rjit.h
@@ -6656,27 +6587,6 @@ eval.$(OBJEXT): $(top_srcdir)/internal/thread.h
 eval.$(OBJEXT): $(top_srcdir)/internal/variable.h
 eval.$(OBJEXT): $(top_srcdir)/internal/vm.h
 eval.$(OBJEXT): $(top_srcdir)/internal/warnings.h
-eval.$(OBJEXT): $(top_srcdir)/prism/defines.h
-eval.$(OBJEXT): $(top_srcdir)/prism/diagnostic.h
-eval.$(OBJEXT): $(top_srcdir)/prism/encoding.h
-eval.$(OBJEXT): $(top_srcdir)/prism/node.h
-eval.$(OBJEXT): $(top_srcdir)/prism/options.h
-eval.$(OBJEXT): $(top_srcdir)/prism/pack.h
-eval.$(OBJEXT): $(top_srcdir)/prism/parser.h
-eval.$(OBJEXT): $(top_srcdir)/prism/prettyprint.h
-eval.$(OBJEXT): $(top_srcdir)/prism/prism.h
-eval.$(OBJEXT): $(top_srcdir)/prism/regexp.h
-eval.$(OBJEXT): $(top_srcdir)/prism/util/pm_buffer.h
-eval.$(OBJEXT): $(top_srcdir)/prism/util/pm_char.h
-eval.$(OBJEXT): $(top_srcdir)/prism/util/pm_constant_pool.h
-eval.$(OBJEXT): $(top_srcdir)/prism/util/pm_list.h
-eval.$(OBJEXT): $(top_srcdir)/prism/util/pm_memchr.h
-eval.$(OBJEXT): $(top_srcdir)/prism/util/pm_newline_list.h
-eval.$(OBJEXT): $(top_srcdir)/prism/util/pm_state_stack.h
-eval.$(OBJEXT): $(top_srcdir)/prism/util/pm_string.h
-eval.$(OBJEXT): $(top_srcdir)/prism/util/pm_string_list.h
-eval.$(OBJEXT): $(top_srcdir)/prism/util/pm_strncasecmp.h
-eval.$(OBJEXT): $(top_srcdir)/prism/util/pm_strpbrk.h
 eval.$(OBJEXT): {$(VPATH)}assert.h
 eval.$(OBJEXT): {$(VPATH)}atomic.h
 eval.$(OBJEXT): {$(VPATH)}backward/2/assume.h
@@ -6857,8 +6767,6 @@ eval.$(OBJEXT): {$(VPATH)}missing.h
 eval.$(OBJEXT): {$(VPATH)}node.h
 eval.$(OBJEXT): {$(VPATH)}onigmo.h
 eval.$(OBJEXT): {$(VPATH)}oniguruma.h
-eval.$(OBJEXT): {$(VPATH)}prism/ast.h
-eval.$(OBJEXT): {$(VPATH)}prism/version.h
 eval.$(OBJEXT): {$(VPATH)}probes.dmyh
 eval.$(OBJEXT): {$(VPATH)}probes.h
 eval.$(OBJEXT): {$(VPATH)}probes_helper.h
@@ -7132,27 +7040,6 @@ gc.$(OBJEXT): $(top_srcdir)/internal/thread.h
 gc.$(OBJEXT): $(top_srcdir)/internal/variable.h
 gc.$(OBJEXT): $(top_srcdir)/internal/vm.h
 gc.$(OBJEXT): $(top_srcdir)/internal/warnings.h
-gc.$(OBJEXT): $(top_srcdir)/prism/defines.h
-gc.$(OBJEXT): $(top_srcdir)/prism/diagnostic.h
-gc.$(OBJEXT): $(top_srcdir)/prism/encoding.h
-gc.$(OBJEXT): $(top_srcdir)/prism/node.h
-gc.$(OBJEXT): $(top_srcdir)/prism/options.h
-gc.$(OBJEXT): $(top_srcdir)/prism/pack.h
-gc.$(OBJEXT): $(top_srcdir)/prism/parser.h
-gc.$(OBJEXT): $(top_srcdir)/prism/prettyprint.h
-gc.$(OBJEXT): $(top_srcdir)/prism/prism.h
-gc.$(OBJEXT): $(top_srcdir)/prism/regexp.h
-gc.$(OBJEXT): $(top_srcdir)/prism/util/pm_buffer.h
-gc.$(OBJEXT): $(top_srcdir)/prism/util/pm_char.h
-gc.$(OBJEXT): $(top_srcdir)/prism/util/pm_constant_pool.h
-gc.$(OBJEXT): $(top_srcdir)/prism/util/pm_list.h
-gc.$(OBJEXT): $(top_srcdir)/prism/util/pm_memchr.h
-gc.$(OBJEXT): $(top_srcdir)/prism/util/pm_newline_list.h
-gc.$(OBJEXT): $(top_srcdir)/prism/util/pm_state_stack.h
-gc.$(OBJEXT): $(top_srcdir)/prism/util/pm_string.h
-gc.$(OBJEXT): $(top_srcdir)/prism/util/pm_string_list.h
-gc.$(OBJEXT): $(top_srcdir)/prism/util/pm_strncasecmp.h
-gc.$(OBJEXT): $(top_srcdir)/prism/util/pm_strpbrk.h
 gc.$(OBJEXT): {$(VPATH)}assert.h
 gc.$(OBJEXT): {$(VPATH)}atomic.h
 gc.$(OBJEXT): {$(VPATH)}backward/2/assume.h
@@ -7335,8 +7222,6 @@ gc.$(OBJEXT): {$(VPATH)}missing.h
 gc.$(OBJEXT): {$(VPATH)}node.h
 gc.$(OBJEXT): {$(VPATH)}onigmo.h
 gc.$(OBJEXT): {$(VPATH)}oniguruma.h
-gc.$(OBJEXT): {$(VPATH)}prism/ast.h
-gc.$(OBJEXT): {$(VPATH)}prism/version.h
 gc.$(OBJEXT): {$(VPATH)}probes.dmyh
 gc.$(OBJEXT): {$(VPATH)}probes.h
 gc.$(OBJEXT): {$(VPATH)}ractor.h
@@ -7379,27 +7264,6 @@ goruby.$(OBJEXT): $(top_srcdir)/internal/static_assert.h
 goruby.$(OBJEXT): $(top_srcdir)/internal/variable.h
 goruby.$(OBJEXT): $(top_srcdir)/internal/vm.h
 goruby.$(OBJEXT): $(top_srcdir)/internal/warnings.h
-goruby.$(OBJEXT): $(top_srcdir)/prism/defines.h
-goruby.$(OBJEXT): $(top_srcdir)/prism/diagnostic.h
-goruby.$(OBJEXT): $(top_srcdir)/prism/encoding.h
-goruby.$(OBJEXT): $(top_srcdir)/prism/node.h
-goruby.$(OBJEXT): $(top_srcdir)/prism/options.h
-goruby.$(OBJEXT): $(top_srcdir)/prism/pack.h
-goruby.$(OBJEXT): $(top_srcdir)/prism/parser.h
-goruby.$(OBJEXT): $(top_srcdir)/prism/prettyprint.h
-goruby.$(OBJEXT): $(top_srcdir)/prism/prism.h
-goruby.$(OBJEXT): $(top_srcdir)/prism/regexp.h
-goruby.$(OBJEXT): $(top_srcdir)/prism/util/pm_buffer.h
-goruby.$(OBJEXT): $(top_srcdir)/prism/util/pm_char.h
-goruby.$(OBJEXT): $(top_srcdir)/prism/util/pm_constant_pool.h
-goruby.$(OBJEXT): $(top_srcdir)/prism/util/pm_list.h
-goruby.$(OBJEXT): $(top_srcdir)/prism/util/pm_memchr.h
-goruby.$(OBJEXT): $(top_srcdir)/prism/util/pm_newline_list.h
-goruby.$(OBJEXT): $(top_srcdir)/prism/util/pm_state_stack.h
-goruby.$(OBJEXT): $(top_srcdir)/prism/util/pm_string.h
-goruby.$(OBJEXT): $(top_srcdir)/prism/util/pm_string_list.h
-goruby.$(OBJEXT): $(top_srcdir)/prism/util/pm_strncasecmp.h
-goruby.$(OBJEXT): $(top_srcdir)/prism/util/pm_strpbrk.h
 goruby.$(OBJEXT): {$(VPATH)}assert.h
 goruby.$(OBJEXT): {$(VPATH)}atomic.h
 goruby.$(OBJEXT): {$(VPATH)}backward.h
@@ -7577,8 +7441,6 @@ goruby.$(OBJEXT): {$(VPATH)}missing.h
 goruby.$(OBJEXT): {$(VPATH)}node.h
 goruby.$(OBJEXT): {$(VPATH)}onigmo.h
 goruby.$(OBJEXT): {$(VPATH)}oniguruma.h
-goruby.$(OBJEXT): {$(VPATH)}prism/ast.h
-goruby.$(OBJEXT): {$(VPATH)}prism/version.h
 goruby.$(OBJEXT): {$(VPATH)}ruby_assert.h
 goruby.$(OBJEXT): {$(VPATH)}ruby_atomic.h
 goruby.$(OBJEXT): {$(VPATH)}rubyparser.h
@@ -7617,27 +7479,6 @@ hash.$(OBJEXT): $(top_srcdir)/internal/time.h
 hash.$(OBJEXT): $(top_srcdir)/internal/variable.h
 hash.$(OBJEXT): $(top_srcdir)/internal/vm.h
 hash.$(OBJEXT): $(top_srcdir)/internal/warnings.h
-hash.$(OBJEXT): $(top_srcdir)/prism/defines.h
-hash.$(OBJEXT): $(top_srcdir)/prism/diagnostic.h
-hash.$(OBJEXT): $(top_srcdir)/prism/encoding.h
-hash.$(OBJEXT): $(top_srcdir)/prism/node.h
-hash.$(OBJEXT): $(top_srcdir)/prism/options.h
-hash.$(OBJEXT): $(top_srcdir)/prism/pack.h
-hash.$(OBJEXT): $(top_srcdir)/prism/parser.h
-hash.$(OBJEXT): $(top_srcdir)/prism/prettyprint.h
-hash.$(OBJEXT): $(top_srcdir)/prism/prism.h
-hash.$(OBJEXT): $(top_srcdir)/prism/regexp.h
-hash.$(OBJEXT): $(top_srcdir)/prism/util/pm_buffer.h
-hash.$(OBJEXT): $(top_srcdir)/prism/util/pm_char.h
-hash.$(OBJEXT): $(top_srcdir)/prism/util/pm_constant_pool.h
-hash.$(OBJEXT): $(top_srcdir)/prism/util/pm_list.h
-hash.$(OBJEXT): $(top_srcdir)/prism/util/pm_memchr.h
-hash.$(OBJEXT): $(top_srcdir)/prism/util/pm_newline_list.h
-hash.$(OBJEXT): $(top_srcdir)/prism/util/pm_state_stack.h
-hash.$(OBJEXT): $(top_srcdir)/prism/util/pm_string.h
-hash.$(OBJEXT): $(top_srcdir)/prism/util/pm_string_list.h
-hash.$(OBJEXT): $(top_srcdir)/prism/util/pm_strncasecmp.h
-hash.$(OBJEXT): $(top_srcdir)/prism/util/pm_strpbrk.h
 hash.$(OBJEXT): {$(VPATH)}assert.h
 hash.$(OBJEXT): {$(VPATH)}atomic.h
 hash.$(OBJEXT): {$(VPATH)}backward/2/assume.h
@@ -7813,8 +7654,6 @@ hash.$(OBJEXT): {$(VPATH)}missing.h
 hash.$(OBJEXT): {$(VPATH)}node.h
 hash.$(OBJEXT): {$(VPATH)}onigmo.h
 hash.$(OBJEXT): {$(VPATH)}oniguruma.h
-hash.$(OBJEXT): {$(VPATH)}prism/ast.h
-hash.$(OBJEXT): {$(VPATH)}prism/version.h
 hash.$(OBJEXT): {$(VPATH)}probes.dmyh
 hash.$(OBJEXT): {$(VPATH)}probes.h
 hash.$(OBJEXT): {$(VPATH)}ractor.h
@@ -8681,27 +8520,6 @@ load.$(OBJEXT): $(top_srcdir)/internal/thread.h
 load.$(OBJEXT): $(top_srcdir)/internal/variable.h
 load.$(OBJEXT): $(top_srcdir)/internal/vm.h
 load.$(OBJEXT): $(top_srcdir)/internal/warnings.h
-load.$(OBJEXT): $(top_srcdir)/prism/defines.h
-load.$(OBJEXT): $(top_srcdir)/prism/diagnostic.h
-load.$(OBJEXT): $(top_srcdir)/prism/encoding.h
-load.$(OBJEXT): $(top_srcdir)/prism/node.h
-load.$(OBJEXT): $(top_srcdir)/prism/options.h
-load.$(OBJEXT): $(top_srcdir)/prism/pack.h
-load.$(OBJEXT): $(top_srcdir)/prism/parser.h
-load.$(OBJEXT): $(top_srcdir)/prism/prettyprint.h
-load.$(OBJEXT): $(top_srcdir)/prism/prism.h
-load.$(OBJEXT): $(top_srcdir)/prism/regexp.h
-load.$(OBJEXT): $(top_srcdir)/prism/util/pm_buffer.h
-load.$(OBJEXT): $(top_srcdir)/prism/util/pm_char.h
-load.$(OBJEXT): $(top_srcdir)/prism/util/pm_constant_pool.h
-load.$(OBJEXT): $(top_srcdir)/prism/util/pm_list.h
-load.$(OBJEXT): $(top_srcdir)/prism/util/pm_memchr.h
-load.$(OBJEXT): $(top_srcdir)/prism/util/pm_newline_list.h
-load.$(OBJEXT): $(top_srcdir)/prism/util/pm_state_stack.h
-load.$(OBJEXT): $(top_srcdir)/prism/util/pm_string.h
-load.$(OBJEXT): $(top_srcdir)/prism/util/pm_string_list.h
-load.$(OBJEXT): $(top_srcdir)/prism/util/pm_strncasecmp.h
-load.$(OBJEXT): $(top_srcdir)/prism/util/pm_strpbrk.h
 load.$(OBJEXT): {$(VPATH)}assert.h
 load.$(OBJEXT): {$(VPATH)}atomic.h
 load.$(OBJEXT): {$(VPATH)}backward/2/assume.h
@@ -8879,8 +8697,6 @@ load.$(OBJEXT): {$(VPATH)}missing.h
 load.$(OBJEXT): {$(VPATH)}node.h
 load.$(OBJEXT): {$(VPATH)}onigmo.h
 load.$(OBJEXT): {$(VPATH)}oniguruma.h
-load.$(OBJEXT): {$(VPATH)}prism/ast.h
-load.$(OBJEXT): {$(VPATH)}prism/version.h
 load.$(OBJEXT): {$(VPATH)}probes.dmyh
 load.$(OBJEXT): {$(VPATH)}probes.h
 load.$(OBJEXT): {$(VPATH)}ruby_assert.h
@@ -9995,27 +9811,6 @@ miniinit.$(OBJEXT): $(top_srcdir)/internal/static_assert.h
 miniinit.$(OBJEXT): $(top_srcdir)/internal/variable.h
 miniinit.$(OBJEXT): $(top_srcdir)/internal/vm.h
 miniinit.$(OBJEXT): $(top_srcdir)/internal/warnings.h
-miniinit.$(OBJEXT): $(top_srcdir)/prism/defines.h
-miniinit.$(OBJEXT): $(top_srcdir)/prism/diagnostic.h
-miniinit.$(OBJEXT): $(top_srcdir)/prism/encoding.h
-miniinit.$(OBJEXT): $(top_srcdir)/prism/node.h
-miniinit.$(OBJEXT): $(top_srcdir)/prism/options.h
-miniinit.$(OBJEXT): $(top_srcdir)/prism/pack.h
-miniinit.$(OBJEXT): $(top_srcdir)/prism/parser.h
-miniinit.$(OBJEXT): $(top_srcdir)/prism/prettyprint.h
-miniinit.$(OBJEXT): $(top_srcdir)/prism/prism.h
-miniinit.$(OBJEXT): $(top_srcdir)/prism/regexp.h
-miniinit.$(OBJEXT): $(top_srcdir)/prism/util/pm_buffer.h
-miniinit.$(OBJEXT): $(top_srcdir)/prism/util/pm_char.h
-miniinit.$(OBJEXT): $(top_srcdir)/prism/util/pm_constant_pool.h
-miniinit.$(OBJEXT): $(top_srcdir)/prism/util/pm_list.h
-miniinit.$(OBJEXT): $(top_srcdir)/prism/util/pm_memchr.h
-miniinit.$(OBJEXT): $(top_srcdir)/prism/util/pm_newline_list.h
-miniinit.$(OBJEXT): $(top_srcdir)/prism/util/pm_state_stack.h
-miniinit.$(OBJEXT): $(top_srcdir)/prism/util/pm_string.h
-miniinit.$(OBJEXT): $(top_srcdir)/prism/util/pm_string_list.h
-miniinit.$(OBJEXT): $(top_srcdir)/prism/util/pm_strncasecmp.h
-miniinit.$(OBJEXT): $(top_srcdir)/prism/util/pm_strpbrk.h
 miniinit.$(OBJEXT): {$(VPATH)}array.rb
 miniinit.$(OBJEXT): {$(VPATH)}assert.h
 miniinit.$(OBJEXT): {$(VPATH)}ast.rb
@@ -10205,8 +10000,6 @@ miniinit.$(OBJEXT): {$(VPATH)}onigmo.h
 miniinit.$(OBJEXT): {$(VPATH)}oniguruma.h
 miniinit.$(OBJEXT): {$(VPATH)}pack.rb
 miniinit.$(OBJEXT): {$(VPATH)}prelude.rb
-miniinit.$(OBJEXT): {$(VPATH)}prism/ast.h
-miniinit.$(OBJEXT): {$(VPATH)}prism/version.h
 miniinit.$(OBJEXT): {$(VPATH)}ractor.rb
 miniinit.$(OBJEXT): {$(VPATH)}rjit.rb
 miniinit.$(OBJEXT): {$(VPATH)}rjit_c.rb
@@ -12542,27 +12335,6 @@ proc.$(OBJEXT): $(top_srcdir)/internal/symbol.h
 proc.$(OBJEXT): $(top_srcdir)/internal/variable.h
 proc.$(OBJEXT): $(top_srcdir)/internal/vm.h
 proc.$(OBJEXT): $(top_srcdir)/internal/warnings.h
-proc.$(OBJEXT): $(top_srcdir)/prism/defines.h
-proc.$(OBJEXT): $(top_srcdir)/prism/diagnostic.h
-proc.$(OBJEXT): $(top_srcdir)/prism/encoding.h
-proc.$(OBJEXT): $(top_srcdir)/prism/node.h
-proc.$(OBJEXT): $(top_srcdir)/prism/options.h
-proc.$(OBJEXT): $(top_srcdir)/prism/pack.h
-proc.$(OBJEXT): $(top_srcdir)/prism/parser.h
-proc.$(OBJEXT): $(top_srcdir)/prism/prettyprint.h
-proc.$(OBJEXT): $(top_srcdir)/prism/prism.h
-proc.$(OBJEXT): $(top_srcdir)/prism/regexp.h
-proc.$(OBJEXT): $(top_srcdir)/prism/util/pm_buffer.h
-proc.$(OBJEXT): $(top_srcdir)/prism/util/pm_char.h
-proc.$(OBJEXT): $(top_srcdir)/prism/util/pm_constant_pool.h
-proc.$(OBJEXT): $(top_srcdir)/prism/util/pm_list.h
-proc.$(OBJEXT): $(top_srcdir)/prism/util/pm_memchr.h
-proc.$(OBJEXT): $(top_srcdir)/prism/util/pm_newline_list.h
-proc.$(OBJEXT): $(top_srcdir)/prism/util/pm_state_stack.h
-proc.$(OBJEXT): $(top_srcdir)/prism/util/pm_string.h
-proc.$(OBJEXT): $(top_srcdir)/prism/util/pm_string_list.h
-proc.$(OBJEXT): $(top_srcdir)/prism/util/pm_strncasecmp.h
-proc.$(OBJEXT): $(top_srcdir)/prism/util/pm_strpbrk.h
 proc.$(OBJEXT): {$(VPATH)}assert.h
 proc.$(OBJEXT): {$(VPATH)}atomic.h
 proc.$(OBJEXT): {$(VPATH)}backward/2/assume.h
@@ -12738,8 +12510,6 @@ proc.$(OBJEXT): {$(VPATH)}missing.h
 proc.$(OBJEXT): {$(VPATH)}node.h
 proc.$(OBJEXT): {$(VPATH)}onigmo.h
 proc.$(OBJEXT): {$(VPATH)}oniguruma.h
-proc.$(OBJEXT): {$(VPATH)}prism/ast.h
-proc.$(OBJEXT): {$(VPATH)}prism/version.h
 proc.$(OBJEXT): {$(VPATH)}proc.c
 proc.$(OBJEXT): {$(VPATH)}ruby_assert.h
 proc.$(OBJEXT): {$(VPATH)}ruby_atomic.h
@@ -15015,27 +14785,6 @@ rjit.$(OBJEXT): $(top_srcdir)/internal/struct.h
 rjit.$(OBJEXT): $(top_srcdir)/internal/variable.h
 rjit.$(OBJEXT): $(top_srcdir)/internal/vm.h
 rjit.$(OBJEXT): $(top_srcdir)/internal/warnings.h
-rjit.$(OBJEXT): $(top_srcdir)/prism/defines.h
-rjit.$(OBJEXT): $(top_srcdir)/prism/diagnostic.h
-rjit.$(OBJEXT): $(top_srcdir)/prism/encoding.h
-rjit.$(OBJEXT): $(top_srcdir)/prism/node.h
-rjit.$(OBJEXT): $(top_srcdir)/prism/options.h
-rjit.$(OBJEXT): $(top_srcdir)/prism/pack.h
-rjit.$(OBJEXT): $(top_srcdir)/prism/parser.h
-rjit.$(OBJEXT): $(top_srcdir)/prism/prettyprint.h
-rjit.$(OBJEXT): $(top_srcdir)/prism/prism.h
-rjit.$(OBJEXT): $(top_srcdir)/prism/regexp.h
-rjit.$(OBJEXT): $(top_srcdir)/prism/util/pm_buffer.h
-rjit.$(OBJEXT): $(top_srcdir)/prism/util/pm_char.h
-rjit.$(OBJEXT): $(top_srcdir)/prism/util/pm_constant_pool.h
-rjit.$(OBJEXT): $(top_srcdir)/prism/util/pm_list.h
-rjit.$(OBJEXT): $(top_srcdir)/prism/util/pm_memchr.h
-rjit.$(OBJEXT): $(top_srcdir)/prism/util/pm_newline_list.h
-rjit.$(OBJEXT): $(top_srcdir)/prism/util/pm_state_stack.h
-rjit.$(OBJEXT): $(top_srcdir)/prism/util/pm_string.h
-rjit.$(OBJEXT): $(top_srcdir)/prism/util/pm_string_list.h
-rjit.$(OBJEXT): $(top_srcdir)/prism/util/pm_strncasecmp.h
-rjit.$(OBJEXT): $(top_srcdir)/prism/util/pm_strpbrk.h
 rjit.$(OBJEXT): {$(VPATH)}assert.h
 rjit.$(OBJEXT): {$(VPATH)}atomic.h
 rjit.$(OBJEXT): {$(VPATH)}backward/2/assume.h
@@ -15216,8 +14965,6 @@ rjit.$(OBJEXT): {$(VPATH)}missing.h
 rjit.$(OBJEXT): {$(VPATH)}node.h
 rjit.$(OBJEXT): {$(VPATH)}onigmo.h
 rjit.$(OBJEXT): {$(VPATH)}oniguruma.h
-rjit.$(OBJEXT): {$(VPATH)}prism/ast.h
-rjit.$(OBJEXT): {$(VPATH)}prism/version.h
 rjit.$(OBJEXT): {$(VPATH)}ractor.h
 rjit.$(OBJEXT): {$(VPATH)}ractor_core.h
 rjit.$(OBJEXT): {$(VPATH)}rjit.c
@@ -15266,27 +15013,6 @@ rjit_c.$(OBJEXT): $(top_srcdir)/internal/struct.h
 rjit_c.$(OBJEXT): $(top_srcdir)/internal/variable.h
 rjit_c.$(OBJEXT): $(top_srcdir)/internal/vm.h
 rjit_c.$(OBJEXT): $(top_srcdir)/internal/warnings.h
-rjit_c.$(OBJEXT): $(top_srcdir)/prism/defines.h
-rjit_c.$(OBJEXT): $(top_srcdir)/prism/diagnostic.h
-rjit_c.$(OBJEXT): $(top_srcdir)/prism/encoding.h
-rjit_c.$(OBJEXT): $(top_srcdir)/prism/node.h
-rjit_c.$(OBJEXT): $(top_srcdir)/prism/options.h
-rjit_c.$(OBJEXT): $(top_srcdir)/prism/pack.h
-rjit_c.$(OBJEXT): $(top_srcdir)/prism/parser.h
-rjit_c.$(OBJEXT): $(top_srcdir)/prism/prettyprint.h
-rjit_c.$(OBJEXT): $(top_srcdir)/prism/prism.h
-rjit_c.$(OBJEXT): $(top_srcdir)/prism/regexp.h
-rjit_c.$(OBJEXT): $(top_srcdir)/prism/util/pm_buffer.h
-rjit_c.$(OBJEXT): $(top_srcdir)/prism/util/pm_char.h
-rjit_c.$(OBJEXT): $(top_srcdir)/prism/util/pm_constant_pool.h
-rjit_c.$(OBJEXT): $(top_srcdir)/prism/util/pm_list.h
-rjit_c.$(OBJEXT): $(top_srcdir)/prism/util/pm_memchr.h
-rjit_c.$(OBJEXT): $(top_srcdir)/prism/util/pm_newline_list.h
-rjit_c.$(OBJEXT): $(top_srcdir)/prism/util/pm_state_stack.h
-rjit_c.$(OBJEXT): $(top_srcdir)/prism/util/pm_string.h
-rjit_c.$(OBJEXT): $(top_srcdir)/prism/util/pm_string_list.h
-rjit_c.$(OBJEXT): $(top_srcdir)/prism/util/pm_strncasecmp.h
-rjit_c.$(OBJEXT): $(top_srcdir)/prism/util/pm_strpbrk.h
 rjit_c.$(OBJEXT): {$(VPATH)}assert.h
 rjit_c.$(OBJEXT): {$(VPATH)}atomic.h
 rjit_c.$(OBJEXT): {$(VPATH)}backward/2/assume.h
@@ -15466,8 +15192,6 @@ rjit_c.$(OBJEXT): {$(VPATH)}missing.h
 rjit_c.$(OBJEXT): {$(VPATH)}node.h
 rjit_c.$(OBJEXT): {$(VPATH)}onigmo.h
 rjit_c.$(OBJEXT): {$(VPATH)}oniguruma.h
-rjit_c.$(OBJEXT): {$(VPATH)}prism/ast.h
-rjit_c.$(OBJEXT): {$(VPATH)}prism/version.h
 rjit_c.$(OBJEXT): {$(VPATH)}probes.dmyh
 rjit_c.$(OBJEXT): {$(VPATH)}probes.h
 rjit_c.$(OBJEXT): {$(VPATH)}probes_helper.h
@@ -17773,27 +17497,6 @@ thread.$(OBJEXT): $(top_srcdir)/internal/time.h
 thread.$(OBJEXT): $(top_srcdir)/internal/variable.h
 thread.$(OBJEXT): $(top_srcdir)/internal/vm.h
 thread.$(OBJEXT): $(top_srcdir)/internal/warnings.h
-thread.$(OBJEXT): $(top_srcdir)/prism/defines.h
-thread.$(OBJEXT): $(top_srcdir)/prism/diagnostic.h
-thread.$(OBJEXT): $(top_srcdir)/prism/encoding.h
-thread.$(OBJEXT): $(top_srcdir)/prism/node.h
-thread.$(OBJEXT): $(top_srcdir)/prism/options.h
-thread.$(OBJEXT): $(top_srcdir)/prism/pack.h
-thread.$(OBJEXT): $(top_srcdir)/prism/parser.h
-thread.$(OBJEXT): $(top_srcdir)/prism/prettyprint.h
-thread.$(OBJEXT): $(top_srcdir)/prism/prism.h
-thread.$(OBJEXT): $(top_srcdir)/prism/regexp.h
-thread.$(OBJEXT): $(top_srcdir)/prism/util/pm_buffer.h
-thread.$(OBJEXT): $(top_srcdir)/prism/util/pm_char.h
-thread.$(OBJEXT): $(top_srcdir)/prism/util/pm_constant_pool.h
-thread.$(OBJEXT): $(top_srcdir)/prism/util/pm_list.h
-thread.$(OBJEXT): $(top_srcdir)/prism/util/pm_memchr.h
-thread.$(OBJEXT): $(top_srcdir)/prism/util/pm_newline_list.h
-thread.$(OBJEXT): $(top_srcdir)/prism/util/pm_state_stack.h
-thread.$(OBJEXT): $(top_srcdir)/prism/util/pm_string.h
-thread.$(OBJEXT): $(top_srcdir)/prism/util/pm_string_list.h
-thread.$(OBJEXT): $(top_srcdir)/prism/util/pm_strncasecmp.h
-thread.$(OBJEXT): $(top_srcdir)/prism/util/pm_strpbrk.h
 thread.$(OBJEXT): {$(VPATH)}$(COROUTINE_H)
 thread.$(OBJEXT): {$(VPATH)}assert.h
 thread.$(OBJEXT): {$(VPATH)}atomic.h
@@ -17975,8 +17678,6 @@ thread.$(OBJEXT): {$(VPATH)}missing.h
 thread.$(OBJEXT): {$(VPATH)}node.h
 thread.$(OBJEXT): {$(VPATH)}onigmo.h
 thread.$(OBJEXT): {$(VPATH)}oniguruma.h
-thread.$(OBJEXT): {$(VPATH)}prism/ast.h
-thread.$(OBJEXT): {$(VPATH)}prism/version.h
 thread.$(OBJEXT): {$(VPATH)}ractor.h
 thread.$(OBJEXT): {$(VPATH)}ractor_core.h
 thread.$(OBJEXT): {$(VPATH)}rjit.h
@@ -19022,27 +18723,6 @@ vm.$(OBJEXT): $(top_srcdir)/internal/thread.h
 vm.$(OBJEXT): $(top_srcdir)/internal/variable.h
 vm.$(OBJEXT): $(top_srcdir)/internal/vm.h
 vm.$(OBJEXT): $(top_srcdir)/internal/warnings.h
-vm.$(OBJEXT): $(top_srcdir)/prism/defines.h
-vm.$(OBJEXT): $(top_srcdir)/prism/diagnostic.h
-vm.$(OBJEXT): $(top_srcdir)/prism/encoding.h
-vm.$(OBJEXT): $(top_srcdir)/prism/node.h
-vm.$(OBJEXT): $(top_srcdir)/prism/options.h
-vm.$(OBJEXT): $(top_srcdir)/prism/pack.h
-vm.$(OBJEXT): $(top_srcdir)/prism/parser.h
-vm.$(OBJEXT): $(top_srcdir)/prism/prettyprint.h
-vm.$(OBJEXT): $(top_srcdir)/prism/prism.h
-vm.$(OBJEXT): $(top_srcdir)/prism/regexp.h
-vm.$(OBJEXT): $(top_srcdir)/prism/util/pm_buffer.h
-vm.$(OBJEXT): $(top_srcdir)/prism/util/pm_char.h
-vm.$(OBJEXT): $(top_srcdir)/prism/util/pm_constant_pool.h
-vm.$(OBJEXT): $(top_srcdir)/prism/util/pm_list.h
-vm.$(OBJEXT): $(top_srcdir)/prism/util/pm_memchr.h
-vm.$(OBJEXT): $(top_srcdir)/prism/util/pm_newline_list.h
-vm.$(OBJEXT): $(top_srcdir)/prism/util/pm_state_stack.h
-vm.$(OBJEXT): $(top_srcdir)/prism/util/pm_string.h
-vm.$(OBJEXT): $(top_srcdir)/prism/util/pm_string_list.h
-vm.$(OBJEXT): $(top_srcdir)/prism/util/pm_strncasecmp.h
-vm.$(OBJEXT): $(top_srcdir)/prism/util/pm_strpbrk.h
 vm.$(OBJEXT): {$(VPATH)}assert.h
 vm.$(OBJEXT): {$(VPATH)}atomic.h
 vm.$(OBJEXT): {$(VPATH)}backward/2/assume.h
@@ -19223,8 +18903,6 @@ vm.$(OBJEXT): {$(VPATH)}missing.h
 vm.$(OBJEXT): {$(VPATH)}node.h
 vm.$(OBJEXT): {$(VPATH)}onigmo.h
 vm.$(OBJEXT): {$(VPATH)}oniguruma.h
-vm.$(OBJEXT): {$(VPATH)}prism/ast.h
-vm.$(OBJEXT): {$(VPATH)}prism/version.h
 vm.$(OBJEXT): {$(VPATH)}probes.dmyh
 vm.$(OBJEXT): {$(VPATH)}probes.h
 vm.$(OBJEXT): {$(VPATH)}probes_helper.h
@@ -19276,27 +18954,6 @@ vm_backtrace.$(OBJEXT): $(top_srcdir)/internal/string.h
 vm_backtrace.$(OBJEXT): $(top_srcdir)/internal/variable.h
 vm_backtrace.$(OBJEXT): $(top_srcdir)/internal/vm.h
 vm_backtrace.$(OBJEXT): $(top_srcdir)/internal/warnings.h
-vm_backtrace.$(OBJEXT): $(top_srcdir)/prism/defines.h
-vm_backtrace.$(OBJEXT): $(top_srcdir)/prism/diagnostic.h
-vm_backtrace.$(OBJEXT): $(top_srcdir)/prism/encoding.h
-vm_backtrace.$(OBJEXT): $(top_srcdir)/prism/node.h
-vm_backtrace.$(OBJEXT): $(top_srcdir)/prism/options.h
-vm_backtrace.$(OBJEXT): $(top_srcdir)/prism/pack.h
-vm_backtrace.$(OBJEXT): $(top_srcdir)/prism/parser.h
-vm_backtrace.$(OBJEXT): $(top_srcdir)/prism/prettyprint.h
-vm_backtrace.$(OBJEXT): $(top_srcdir)/prism/prism.h
-vm_backtrace.$(OBJEXT): $(top_srcdir)/prism/regexp.h
-vm_backtrace.$(OBJEXT): $(top_srcdir)/prism/util/pm_buffer.h
-vm_backtrace.$(OBJEXT): $(top_srcdir)/prism/util/pm_char.h
-vm_backtrace.$(OBJEXT): $(top_srcdir)/prism/util/pm_constant_pool.h
-vm_backtrace.$(OBJEXT): $(top_srcdir)/prism/util/pm_list.h
-vm_backtrace.$(OBJEXT): $(top_srcdir)/prism/util/pm_memchr.h
-vm_backtrace.$(OBJEXT): $(top_srcdir)/prism/util/pm_newline_list.h
-vm_backtrace.$(OBJEXT): $(top_srcdir)/prism/util/pm_state_stack.h
-vm_backtrace.$(OBJEXT): $(top_srcdir)/prism/util/pm_string.h
-vm_backtrace.$(OBJEXT): $(top_srcdir)/prism/util/pm_string_list.h
-vm_backtrace.$(OBJEXT): $(top_srcdir)/prism/util/pm_strncasecmp.h
-vm_backtrace.$(OBJEXT): $(top_srcdir)/prism/util/pm_strpbrk.h
 vm_backtrace.$(OBJEXT): {$(VPATH)}assert.h
 vm_backtrace.$(OBJEXT): {$(VPATH)}atomic.h
 vm_backtrace.$(OBJEXT): {$(VPATH)}backward/2/assume.h
@@ -19473,8 +19130,6 @@ vm_backtrace.$(OBJEXT): {$(VPATH)}missing.h
 vm_backtrace.$(OBJEXT): {$(VPATH)}node.h
 vm_backtrace.$(OBJEXT): {$(VPATH)}onigmo.h
 vm_backtrace.$(OBJEXT): {$(VPATH)}oniguruma.h
-vm_backtrace.$(OBJEXT): {$(VPATH)}prism/ast.h
-vm_backtrace.$(OBJEXT): {$(VPATH)}prism/version.h
 vm_backtrace.$(OBJEXT): {$(VPATH)}ruby_assert.h
 vm_backtrace.$(OBJEXT): {$(VPATH)}ruby_atomic.h
 vm_backtrace.$(OBJEXT): {$(VPATH)}rubyparser.h
@@ -19503,27 +19158,6 @@ vm_dump.$(OBJEXT): $(top_srcdir)/internal/static_assert.h
 vm_dump.$(OBJEXT): $(top_srcdir)/internal/variable.h
 vm_dump.$(OBJEXT): $(top_srcdir)/internal/vm.h
 vm_dump.$(OBJEXT): $(top_srcdir)/internal/warnings.h
-vm_dump.$(OBJEXT): $(top_srcdir)/prism/defines.h
-vm_dump.$(OBJEXT): $(top_srcdir)/prism/diagnostic.h
-vm_dump.$(OBJEXT): $(top_srcdir)/prism/encoding.h
-vm_dump.$(OBJEXT): $(top_srcdir)/prism/node.h
-vm_dump.$(OBJEXT): $(top_srcdir)/prism/options.h
-vm_dump.$(OBJEXT): $(top_srcdir)/prism/pack.h
-vm_dump.$(OBJEXT): $(top_srcdir)/prism/parser.h
-vm_dump.$(OBJEXT): $(top_srcdir)/prism/prettyprint.h
-vm_dump.$(OBJEXT): $(top_srcdir)/prism/prism.h
-vm_dump.$(OBJEXT): $(top_srcdir)/prism/regexp.h
-vm_dump.$(OBJEXT): $(top_srcdir)/prism/util/pm_buffer.h
-vm_dump.$(OBJEXT): $(top_srcdir)/prism/util/pm_char.h
-vm_dump.$(OBJEXT): $(top_srcdir)/prism/util/pm_constant_pool.h
-vm_dump.$(OBJEXT): $(top_srcdir)/prism/util/pm_list.h
-vm_dump.$(OBJEXT): $(top_srcdir)/prism/util/pm_memchr.h
-vm_dump.$(OBJEXT): $(top_srcdir)/prism/util/pm_newline_list.h
-vm_dump.$(OBJEXT): $(top_srcdir)/prism/util/pm_state_stack.h
-vm_dump.$(OBJEXT): $(top_srcdir)/prism/util/pm_string.h
-vm_dump.$(OBJEXT): $(top_srcdir)/prism/util/pm_string_list.h
-vm_dump.$(OBJEXT): $(top_srcdir)/prism/util/pm_strncasecmp.h
-vm_dump.$(OBJEXT): $(top_srcdir)/prism/util/pm_strpbrk.h
 vm_dump.$(OBJEXT): {$(VPATH)}addr2line.h
 vm_dump.$(OBJEXT): {$(VPATH)}assert.h
 vm_dump.$(OBJEXT): {$(VPATH)}atomic.h
@@ -19698,8 +19332,6 @@ vm_dump.$(OBJEXT): {$(VPATH)}missing.h
 vm_dump.$(OBJEXT): {$(VPATH)}node.h
 vm_dump.$(OBJEXT): {$(VPATH)}onigmo.h
 vm_dump.$(OBJEXT): {$(VPATH)}oniguruma.h
-vm_dump.$(OBJEXT): {$(VPATH)}prism/ast.h
-vm_dump.$(OBJEXT): {$(VPATH)}prism/version.h
 vm_dump.$(OBJEXT): {$(VPATH)}procstat_vm.c
 vm_dump.$(OBJEXT): {$(VPATH)}ractor.h
 vm_dump.$(OBJEXT): {$(VPATH)}ractor_core.h
@@ -19938,27 +19570,6 @@ vm_trace.$(OBJEXT): $(top_srcdir)/internal/symbol.h
 vm_trace.$(OBJEXT): $(top_srcdir)/internal/variable.h
 vm_trace.$(OBJEXT): $(top_srcdir)/internal/vm.h
 vm_trace.$(OBJEXT): $(top_srcdir)/internal/warnings.h
-vm_trace.$(OBJEXT): $(top_srcdir)/prism/defines.h
-vm_trace.$(OBJEXT): $(top_srcdir)/prism/diagnostic.h
-vm_trace.$(OBJEXT): $(top_srcdir)/prism/encoding.h
-vm_trace.$(OBJEXT): $(top_srcdir)/prism/node.h
-vm_trace.$(OBJEXT): $(top_srcdir)/prism/options.h
-vm_trace.$(OBJEXT): $(top_srcdir)/prism/pack.h
-vm_trace.$(OBJEXT): $(top_srcdir)/prism/parser.h
-vm_trace.$(OBJEXT): $(top_srcdir)/prism/prettyprint.h
-vm_trace.$(OBJEXT): $(top_srcdir)/prism/prism.h
-vm_trace.$(OBJEXT): $(top_srcdir)/prism/regexp.h
-vm_trace.$(OBJEXT): $(top_srcdir)/prism/util/pm_buffer.h
-vm_trace.$(OBJEXT): $(top_srcdir)/prism/util/pm_char.h
-vm_trace.$(OBJEXT): $(top_srcdir)/prism/util/pm_constant_pool.h
-vm_trace.$(OBJEXT): $(top_srcdir)/prism/util/pm_list.h
-vm_trace.$(OBJEXT): $(top_srcdir)/prism/util/pm_memchr.h
-vm_trace.$(OBJEXT): $(top_srcdir)/prism/util/pm_newline_list.h
-vm_trace.$(OBJEXT): $(top_srcdir)/prism/util/pm_state_stack.h
-vm_trace.$(OBJEXT): $(top_srcdir)/prism/util/pm_string.h
-vm_trace.$(OBJEXT): $(top_srcdir)/prism/util/pm_string_list.h
-vm_trace.$(OBJEXT): $(top_srcdir)/prism/util/pm_strncasecmp.h
-vm_trace.$(OBJEXT): $(top_srcdir)/prism/util/pm_strpbrk.h
 vm_trace.$(OBJEXT): {$(VPATH)}assert.h
 vm_trace.$(OBJEXT): {$(VPATH)}atomic.h
 vm_trace.$(OBJEXT): {$(VPATH)}backward/2/assume.h
@@ -20136,8 +19747,6 @@ vm_trace.$(OBJEXT): {$(VPATH)}missing.h
 vm_trace.$(OBJEXT): {$(VPATH)}node.h
 vm_trace.$(OBJEXT): {$(VPATH)}onigmo.h
 vm_trace.$(OBJEXT): {$(VPATH)}oniguruma.h
-vm_trace.$(OBJEXT): {$(VPATH)}prism/ast.h
-vm_trace.$(OBJEXT): {$(VPATH)}prism/version.h
 vm_trace.$(OBJEXT): {$(VPATH)}ractor.h
 vm_trace.$(OBJEXT): {$(VPATH)}rjit.h
 vm_trace.$(OBJEXT): {$(VPATH)}ruby_assert.h
@@ -20377,27 +19986,6 @@ yjit.$(OBJEXT): $(top_srcdir)/internal/string.h
 yjit.$(OBJEXT): $(top_srcdir)/internal/variable.h
 yjit.$(OBJEXT): $(top_srcdir)/internal/vm.h
 yjit.$(OBJEXT): $(top_srcdir)/internal/warnings.h
-yjit.$(OBJEXT): $(top_srcdir)/prism/defines.h
-yjit.$(OBJEXT): $(top_srcdir)/prism/diagnostic.h
-yjit.$(OBJEXT): $(top_srcdir)/prism/encoding.h
-yjit.$(OBJEXT): $(top_srcdir)/prism/node.h
-yjit.$(OBJEXT): $(top_srcdir)/prism/options.h
-yjit.$(OBJEXT): $(top_srcdir)/prism/pack.h
-yjit.$(OBJEXT): $(top_srcdir)/prism/parser.h
-yjit.$(OBJEXT): $(top_srcdir)/prism/prettyprint.h
-yjit.$(OBJEXT): $(top_srcdir)/prism/prism.h
-yjit.$(OBJEXT): $(top_srcdir)/prism/regexp.h
-yjit.$(OBJEXT): $(top_srcdir)/prism/util/pm_buffer.h
-yjit.$(OBJEXT): $(top_srcdir)/prism/util/pm_char.h
-yjit.$(OBJEXT): $(top_srcdir)/prism/util/pm_constant_pool.h
-yjit.$(OBJEXT): $(top_srcdir)/prism/util/pm_list.h
-yjit.$(OBJEXT): $(top_srcdir)/prism/util/pm_memchr.h
-yjit.$(OBJEXT): $(top_srcdir)/prism/util/pm_newline_list.h
-yjit.$(OBJEXT): $(top_srcdir)/prism/util/pm_state_stack.h
-yjit.$(OBJEXT): $(top_srcdir)/prism/util/pm_string.h
-yjit.$(OBJEXT): $(top_srcdir)/prism/util/pm_string_list.h
-yjit.$(OBJEXT): $(top_srcdir)/prism/util/pm_strncasecmp.h
-yjit.$(OBJEXT): $(top_srcdir)/prism/util/pm_strpbrk.h
 yjit.$(OBJEXT): {$(VPATH)}assert.h
 yjit.$(OBJEXT): {$(VPATH)}atomic.h
 yjit.$(OBJEXT): {$(VPATH)}backward/2/assume.h
@@ -20578,8 +20166,6 @@ yjit.$(OBJEXT): {$(VPATH)}missing.h
 yjit.$(OBJEXT): {$(VPATH)}node.h
 yjit.$(OBJEXT): {$(VPATH)}onigmo.h
 yjit.$(OBJEXT): {$(VPATH)}oniguruma.h
-yjit.$(OBJEXT): {$(VPATH)}prism/ast.h
-yjit.$(OBJEXT): {$(VPATH)}prism/version.h
 yjit.$(OBJEXT): {$(VPATH)}probes.dmyh
 yjit.$(OBJEXT): {$(VPATH)}probes.h
 yjit.$(OBJEXT): {$(VPATH)}probes_helper.h
diff --git a/iseq.c b/iseq.c
index 5dc600e3b5..47d19a98f3 100644
--- a/iseq.c
+++ b/iseq.c
@@ -1487,23 +1487,6 @@ iseqw_s_compile_file_prism(int argc, VALUE *argv, VALUE self)
     return iseqw_new(iseq);
 }
 
-rb_iseq_t *
-rb_iseq_new_main_prism(pm_string_t *input, pm_options_t *options, VALUE path)
-{
-    pm_parser_t parser;
-    pm_parser_init(&parser, pm_string_source(input), pm_string_length(input), options);
-
-    if (NIL_P(path)) path = rb_fstring_lit("<compiled>");
-    int start_line = 0;
-    pm_options_line_set(options, start_line);
-
-    rb_iseq_t *iseq = iseq_alloc();
-    iseqw_s_compile_prism_compile(&parser, Qnil, iseq, path, path, start_line);
-
-    pm_parser_free(&parser);
-    return iseq;
-}
-
 /*
  *  call-seq:
  *      InstructionSequence.compile_file(file[, options]) -> iseq
diff --git a/iseq.h b/iseq.h
index 2e3467aa79..5d17bb5d5b 100644
--- a/iseq.h
+++ b/iseq.h
@@ -13,7 +13,6 @@
 #include "internal/gc.h"
 #include "shape.h"
 #include "vm_core.h"
-#include "prism/prism.h"
 
 RUBY_EXTERN const int ruby_api_version[];
 #define ISEQ_MAJOR_VERSION ((unsigned int)ruby_api_version[0])
@@ -174,7 +173,6 @@ void rb_iseq_init_trace(rb_iseq_t *iseq);
 int rb_iseq_add_local_tracepoint_recursively(const rb_iseq_t *iseq, rb_event_flag_t turnon_events, VALUE tpval, unsigned int target_line, bool target_bmethod);
 int rb_iseq_remove_local_tracepoint_recursively(const rb_iseq_t *iseq, VALUE tpval);
 const rb_iseq_t *rb_iseq_load_iseq(VALUE fname);
-rb_iseq_t * rb_iseq_new_main_prism(pm_string_t *input, pm_options_t *options, VALUE path);
 
 #if VM_INSN_INFO_TABLE_IMPL == 2
 unsigned int *rb_iseq_insns_info_decode_positions(const struct rb_iseq_constant_body *body);
diff --git a/load.c b/load.c
index 7ba1ac5ffa..780edf27a7 100644
--- a/load.c
+++ b/load.c
@@ -16,7 +16,6 @@
 #include "probes.h"
 #include "darray.h"
 #include "ruby/encoding.h"
-#include "prism/prism.h"
 #include "ruby/util.h"
 
 static VALUE ruby_dln_librefs;
@@ -718,39 +717,23 @@ static inline void
 load_iseq_eval(rb_execution_context_t *ec, VALUE fname)
 {
     const rb_iseq_t *iseq = rb_iseq_load_iseq(fname);
-    if (!iseq) {
-        if (*rb_ruby_prism_ptr()) {
-            pm_string_t input;
-            pm_options_t options = { 0 };
-
-            pm_string_mapped_init(&input, RSTRING_PTR(fname));
-            pm_options_filepath_set(&options, RSTRING_PTR(fname));
-
-            pm_parser_t parser;
-            pm_parser_init(&parser, pm_string_source(&input), pm_string_length(&input), &options);
-
-            iseq = rb_iseq_new_main_prism(&input, &options, fname);
 
-            pm_string_free(&input);
-            pm_options_free(&options);
-        }
-        else {
-            rb_execution_context_t *ec = GET_EC();
-            VALUE v = rb_vm_push_frame_fname(ec, fname);
-            rb_ast_t *ast;
-            VALUE parser = rb_parser_new();
-            rb_parser_set_context(parser, NULL, FALSE);
-            ast = (rb_ast_t *)rb_parser_load_file(parser, fname);
-
-            rb_thread_t *th = rb_ec_thread_ptr(ec);
-            VALUE realpath_map = get_loaded_features_realpath_map(th->vm);
-
-            iseq = rb_iseq_new_top(&ast->body, rb_fstring_lit("<top (required)>"),
-                                   fname, realpath_internal_cached(realpath_map, fname), NULL);
-            rb_ast_dispose(ast);
-            rb_vm_pop_frame(ec);
-            RB_GC_GUARD(v);
-        }
+    if (!iseq) {
+        rb_execution_context_t *ec = GET_EC();
+        VALUE v = rb_vm_push_frame_fname(ec, fname);
+        rb_ast_t *ast;
+        VALUE parser = rb_parser_new();
+        rb_parser_set_context(parser, NULL, FALSE);
+        ast = (rb_ast_t *)rb_parser_load_file(parser, fname);
+
+        rb_thread_t *th = rb_ec_thread_ptr(ec);
+        VALUE realpath_map = get_loaded_features_realpath_map(th->vm);
+
+        iseq = rb_iseq_new_top(&ast->body, rb_fstring_lit("<top (required)>"),
+                               fname, realpath_internal_cached(realpath_map, fname), NULL);
+        rb_ast_dispose(ast);
+        rb_vm_pop_frame(ec);
+        RB_GC_GUARD(v);
     }
     rb_exec_event_hook_script_compiled(ec, iseq, Qnil);
     rb_iseq_eval(iseq);
diff --git a/prism/prism.h b/prism/prism.h
index d55c4f2bfd..590cd74016 100644
--- a/prism/prism.h
+++ b/prism/prism.h
@@ -42,17 +42,6 @@
  */
 PRISM_EXPORTED_FUNCTION const char * pm_version(void);
 
-
-/**
- * @private
- *
- * This is used to decide of the prism parser should be used.
- *
- * @retval  true       Use Prism to parse files
- * @retval  false      Use standard parser
- */
-bool *rb_ruby_prism_ptr(void);
-
 /**
  * Initialize a parser with the given start and end pointers.
  *
diff --git a/ractor_core.h b/ractor_core.h
index e6bf55da00..36c0e91c7a 100644
--- a/ractor_core.h
+++ b/ractor_core.h
@@ -186,7 +186,6 @@ struct rb_ractor_struct {
     VALUE r_stderr;
     VALUE verbose;
     VALUE debug;
-    bool prism;
 
     rb_ractor_newobj_cache_t newobj_cache;
 
diff --git a/ruby.c b/ruby.c
index 2da3bafc07..a161bcb3d6 100644
--- a/ruby.c
+++ b/ruby.c
@@ -362,7 +362,6 @@ usage(const char *name, int help, int highlight, int columns)
           "enable or disable features. see below for available features"),
         M("--external-encoding=encoding",           ", --internal-encoding=encoding",
           "specify the default external or internal character encoding"),
-        M("--prism",                                "", "parse and compile using prism"),
         M("--backtrace-limit=num",                  "", "limit the maximum length of backtrace"),
         M("--verbose",                              "", "turn on verbose mode and disable script from stdin"),
         M("--version",                              "", "print the version number, then exit"),
@@ -1421,9 +1420,6 @@ proc_long_options(ruby_cmdline_options_t *opt, const char *s, long argc, char **
         opt->verbose = 1;
         ruby_verbose = Qtrue;
     }
-    else if (strcmp("prism", s) == 0) {
-        (*rb_ruby_prism_ptr()) = true;
-    }
     else if (strcmp("jit", s) == 0) {
 #if !USE_RJIT
         rb_warn("Ruby was built without JIT support");
@@ -1757,9 +1753,6 @@ ruby_opt_init(ruby_cmdline_options_t *opt)
         rb_warn_deprecated("The environment variable RUBY_GC_HEAP_INIT_SLOTS",
                            "environment variables RUBY_GC_HEAP_%d_INIT_SLOTS");
     }
-    if (getenv("RUBY_PRISM")) {
-        (*rb_ruby_prism_ptr()) = true;
-    }
 
 #if USE_RJIT
     // rb_call_builtin_inits depends on RubyVM::RJIT.enabled?
@@ -1978,7 +1971,7 @@ process_options(int argc, char **argv, ruby_cmdline_options_t *opt)
     rb_ast_t *ast = 0;
     VALUE parser;
     VALUE script_name;
-    rb_iseq_t *iseq;
+    const rb_iseq_t *iseq;
     rb_encoding *enc, *lenc;
 #if UTF8_PATH
     rb_encoding *ienc = 0;
@@ -2246,41 +2239,39 @@ process_options(int argc, char **argv, ruby_cmdline_options_t *opt)
     ruby_set_argv(argc, argv);
     opt->sflag = process_sflag(opt->sflag);
 
-    if (!(*rb_ruby_prism_ptr())) {
-        if (opt->e_script) {
-            VALUE progname = rb_progname;
-            rb_encoding *eenc;
-            rb_parser_set_context(parser, 0, TRUE);
+    if (opt->e_script) {
+        VALUE progname = rb_progname;
+        rb_encoding *eenc;
+        rb_parser_set_context(parser, 0, TRUE);
 
-            if (opt->src.enc.index >= 0) {
-                eenc = rb_enc_from_index(opt->src.enc.index);
-            }
-            else {
-                eenc = lenc;
-#if UTF8_PATH
-                if (ienc) eenc = ienc;
-#endif
-            }
+        if (opt->src.enc.index >= 0) {
+            eenc = rb_enc_from_index(opt->src.enc.index);
+        }
+        else {
+            eenc = lenc;
 #if UTF8_PATH
-            if (eenc != uenc) {
-                opt->e_script = str_conv_enc(opt->e_script, uenc, eenc);
-            }
+            if (ienc) eenc = ienc;
 #endif
-            rb_enc_associate(opt->e_script, eenc);
-            ruby_opt_init(opt);
-            ruby_set_script_name(progname);
-            rb_parser_set_options(parser, opt->do_print, opt->do_loop,
-                                  opt->do_line, opt->do_split);
-            ast = rb_parser_compile_string(parser, opt->script, opt->e_script, 1);
         }
-        else {
-            VALUE f;
-            int xflag = opt->xflag;
-            f = open_load_file(script_name, &xflag);
-            opt->xflag = xflag != 0;
-            rb_parser_set_context(parser, 0, f == rb_stdin);
-            ast = load_file(parser, opt->script_name, f, 1, opt);
+#if UTF8_PATH
+        if (eenc != uenc) {
+            opt->e_script = str_conv_enc(opt->e_script, uenc, eenc);
         }
+#endif
+        rb_enc_associate(opt->e_script, eenc);
+        ruby_opt_init(opt);
+        ruby_set_script_name(progname);
+        rb_parser_set_options(parser, opt->do_print, opt->do_loop,
+                              opt->do_line, opt->do_split);
+        ast = rb_parser_compile_string(parser, opt->script, opt->e_script, 1);
+    }
+    else {
+        VALUE f;
+        int xflag = opt->xflag;
+        f = open_load_file(script_name, &xflag);
+        opt->xflag = xflag != 0;
+        rb_parser_set_context(parser, 0, f == rb_stdin);
+        ast = load_file(parser, opt->script_name, f, 1, opt);
     }
     ruby_set_script_name(opt->script_name);
     if (dump & DUMP_BIT(yydebug)) {
@@ -2305,7 +2296,7 @@ process_options(int argc, char **argv, ruby_cmdline_options_t *opt)
         rb_enc_set_default_internal(Qnil);
     rb_stdio_set_default_encoding();
 
-    if (!(*rb_ruby_prism_ptr()) && !ast->body.root) {
+    if (!ast->body.root) {
         rb_ast_dispose(ast);
         return Qfalse;
     }
@@ -2381,32 +2372,13 @@ process_options(int argc, char **argv, ruby_cmdline_options_t *opt)
             }
         }
 
-        if ((*rb_ruby_prism_ptr())) {
-            pm_string_t input;
-            pm_options_t options = { 0 };
-
-            if (opt->e_script) {
-                pm_string_constant_init(&input, RSTRING_PTR(opt->e_script), RSTRING_LEN(opt->e_script));
-                pm_options_filepath_set(&options, "-e");
-            }
-            else {
-                pm_string_mapped_init(&input, RSTRING_PTR(opt->script_name));
-                pm_options_filepath_set(&options, RSTRING_PTR(opt->script_name));
-            }
 
-            iseq = rb_iseq_new_main_prism(&input, &options, path);
-
-            pm_string_free(&input);
-            pm_options_free(&options);
-        }
-        else {
-            rb_binding_t *toplevel_binding;
-            GetBindingPtr(rb_const_get(rb_cObject, rb_intern("TOPLEVEL_BINDING")),
-                          toplevel_binding);
-            const struct rb_block *base_block = toplevel_context(toplevel_binding);
-            iseq = rb_iseq_new_main(&ast->body, opt->script_name, path, vm_block_iseq(base_block), !(dump & DUMP_BIT(insns_without_opt)));
-            rb_ast_dispose(ast);
-        }
+        rb_binding_t *toplevel_binding;
+        GetBindingPtr(rb_const_get(rb_cObject, rb_intern("TOPLEVEL_BINDING")),
+                      toplevel_binding);
+        const struct rb_block *base_block = toplevel_context(toplevel_binding);
+        iseq = rb_iseq_new_main(&ast->body, opt->script_name, path, vm_block_iseq(base_block), !(dump & DUMP_BIT(insns_without_opt)));
+        rb_ast_dispose(ast);
     }
 
     if (dump & (DUMP_BIT(insns) | DUMP_BIT(insns_without_opt))) {
@@ -2962,7 +2934,6 @@ ruby_process_options(int argc, char **argv)
     ruby_cmdline_options_t opt;
     VALUE iseq;
     const char *script_name = (argc > 0 && argv[0]) ? argv[0] : ruby_engine;
-    (*rb_ruby_prism_ptr()) = false;
 
     if (!origarg.argv || origarg.argc <= 0) {
         origarg.argc = argc;
diff --git a/vm.c b/vm.c
index 1c91ada813..4cc19f7c23 100644
--- a/vm.c
+++ b/vm.c
@@ -4192,13 +4192,6 @@ rb_ruby_verbose_ptr(void)
     return &cr->verbose;
 }
 
-bool *
-rb_ruby_prism_ptr(void)
-{
-    rb_ractor_t *cr = GET_RACTOR();
-    return &cr->prism;
-}
-
 VALUE *
 rb_ruby_debug_ptr(void)
 {