From ba44e92573f5fdd23d29cfb49d8afe78287d5f79 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Mon, 20 Jan 2025 16:42:22 +0900
Subject: ext/json no longer uses ragel

---
 common.mk                 |  7 +------
 ext/json/parser/prereq.mk | 13 -------------
 2 files changed, 1 insertion(+), 19 deletions(-)
 delete mode 100644 ext/json/parser/prereq.mk

diff --git a/common.mk b/common.mk
index f70416c46f..9457cf70cd 100644
--- a/common.mk
+++ b/common.mk
@@ -1252,7 +1252,7 @@ srcs-ext: $(EXT_SRCS)
 realclean-srcs-ext::
 	$(Q)$(RM) $(EXT_SRCS)
 
-EXTRA_SRCS = $(srcdir)/ext/json/parser/parser.c \
+EXTRA_SRCS = \
 	     $(srcdir)/ext/date/zonetab.h \
 	     $(empty)
 
@@ -1374,11 +1374,6 @@ $(RIPPER_SRCS): $(srcdir)/ext/ripper/ripper_init.c.tmpl $(srcdir)/ext/ripper/eve
 		Q=$(Q) ECHO=$(ECHO) RM="$(RM1)" top_srcdir=../.. srcdir=. VPATH=../.. \
 		RUBY="$(BASERUBY)" BASERUBY="$(BASERUBY)" PATH_SEPARATOR="$(PATH_SEPARATOR)" LANG=C
 
-$(srcdir)/ext/json/parser/parser.c: $(srcdir)/ext/json/parser/parser.rl $(srcdir)/ext/json/parser/prereq.mk
-	$(ECHO) generating $@
-	$(Q) $(CHDIR) $(@D) && $(exec) $(MAKE) -f prereq.mk $(mflags) \
-		Q=$(Q) ECHO=$(ECHO) top_srcdir=../../.. srcdir=. VPATH=../../.. BASERUBY="$(BASERUBY)"
-
 $(srcdir)/ext/date/zonetab.h: $(srcdir)/ext/date/zonetab.list $(srcdir)/ext/date/prereq.mk
 	$(ECHO) generating $@
 	$(Q) $(CHDIR) $(@D) && $(exec) $(MAKE) -f prereq.mk $(mflags) \
diff --git a/ext/json/parser/prereq.mk b/ext/json/parser/prereq.mk
deleted file mode 100644
index fc59169056..0000000000
--- a/ext/json/parser/prereq.mk
+++ /dev/null
@@ -1,13 +0,0 @@
-RAGEL = ragel
-
-.SUFFIXES: .rl
-
-.rl.c:
-	$(RAGEL) -G2 $<
-	$(BASERUBY) -pli -e '$$_.sub!(/[ \t]+$$/, "")' \
-	-e '$$_.sub!(/^static const int (JSON_.*=.*);$$/, "enum {\\1};")' \
-	-e '$$_.sub!(/^(static const char) (_JSON(?:_\w+)?_nfa_\w+)(?=\[\] =)/, "\\1 MAYBE_UNUSED(\\2)")' \
-	-e '$$_.sub!(/0 <= ([\( ]+\*[\( ]*p\)+) && \1 <= 31/, "0 <= (signed char)(*(p)) && (*(p)) <= 31")' \
-	-e '$$_ = "/* This file is automatically generated from parser.rl by using ragel */\n" + $$_ if $$. == 1' $@
-
-parser.c:
-- 
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