X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=regcomp.sym;h=1a2bd3101b2078228e98ea0ca083b4b87325ca0f;hb=0295a53a2a0d7b08c078ea9d195ec919c7df2a35;hp=19d729eb9d6b54e41a9cf41d3d07a66e6124bf4e;hpb=ce5e94717f361c3fd6b9b0fb704412d30f3ccf66;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/regcomp.sym b/regcomp.sym
index 19d729e..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.
@@ -116,7 +121,12 @@ RENUM		BRANCHJ,off 1 1	Group with independently numbered parens.
 OPTIMIZED	NOTHING,off	Placeholder for dump.
 
 # 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
-
+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.