X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=regcomp.sym;h=1a2bd3101b2078228e98ea0ca083b4b87325ca0f;hb=0295a53a2a0d7b08c078ea9d195ec919c7df2a35;hp=1bcdecb48b235c2cd6b343bfaa79fafa65fdfab4;hpb=a3621e74372f5d2c10ed0d2a21195cab42a5be54;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/regcomp.sym b/regcomp.sym
index 1bcdecb..1a2bd31 100644
--- a/regcomp.sym
+++ b/regcomp.sym
@@ -3,6 +3,11 @@
 
 # Empty rows and #-comment rows are ignored.
 
+# Note that the order in this file is important.
+#
+# Add new regops to the end, and do not re-order the existing ops.
+#
+
 # Exit points
 END		END,    no	End of program.
 SUCCEED		END,    no	Return from a subroutine, basically.
@@ -60,11 +65,6 @@ EXACT		EXACT,  sv	Match this string (preceded by length).
 EXACTF		EXACT,  sv	Match this string, folded (prec. by length).
 EXACTFL		EXACT,  sv	Match this string, folded in locale (w/len).
 
-# Trie Related (behave the same as A|LIST|OF|WORDS would)
-TRIE		TRIE,   trie 1	Match one or more of many EXACT strings
-TRIEF		TRIE,   trie 1	Match one or more of many EXACTF strings
-TRIEFL		TRIE,   trie 1	Match one or more of many EXACTFL strings
-
 # Do nothing
 NOTHING		NOTHING,no	Match empty string.
 # A variant of above which delimits a group, thus stops optimizations
@@ -119,3 +119,14 @@ RENUM		BRANCHJ,off 1 1	Group with independently numbered parens.
 # This is not really a node, but an optimized away piece of a "long" node.
 # To simplify debugging output, we mark it as if it were a node
 OPTIMIZED	NOTHING,off	Placeholder for dump.
+
+# Trie Related (behave the same as A|LIST|OF|WORDS would)
+TRIE		TRIE,   trie 1	Match many EXACT(FL?)? at once. flags==type
+TRIEC		TRIE,   trie 1	Trie + charclass. (unused at present)
+
+# Special opcode with the property that no opcode in a compiled program
+# will ever be of this type. Thus it can be used as a flag value that
+# no other opcode has been seen. END is used similarly, in that an END
+# node cant be optimized. So END implies "unoptimizable" and PSEUDO mean
+# "not seen anything to optimize yet".
+PSEUDO		PSEUDO,off	Pseudo opcode for internal use.