# Note that the order in this file is important.
#
# Format for first section:
-# NAME \t TYPE, arg-description [num-args] [longjump-len] \t DESCRIPTION
+# NAME \s+ TYPE, arg-description [flags] [num-args] [longjump-len] ; DESCRIPTION
#
#
# run perl regen.pl after editing this file
-#* Exit points (0,1)
-
-END END, no End of program.
-SUCCEED END, no Return from a subroutine, basically.
-
-#* Anchors: (2..13)
-
-BOL BOL, no Match "" at beginning of line.
-MBOL BOL, no Same, assuming multiline.
-SBOL BOL, no Same, assuming singleline.
-EOS EOL, no Match "" at end of string.
-EOL EOL, no Match "" at end of line.
-MEOL EOL, no Same, assuming multiline.
-SEOL EOL, no Same, assuming singleline.
-BOUND BOUND, no Match "" at any word boundary
-BOUNDL BOUND, no Match "" at any word boundary
-NBOUND NBOUND, no Match "" at any word non-boundary
-NBOUNDL NBOUND, no Match "" at any word non-boundary
-GPOS GPOS, no Matches where last m//g left off.
-
-#* [Special] alternatives: (14..30)
-
-REG_ANY REG_ANY, no Match any one character (except newline).
-SANY REG_ANY, no Match any one character.
-CANY REG_ANY, no Match any one byte.
-ANYOF ANYOF, sv Match character in (or not in) this class.
-ALNUM ALNUM, no Match any alphanumeric character
-ALNUML ALNUM, no Match any alphanumeric char in locale
-NALNUM NALNUM, no Match any non-alphanumeric character
-NALNUML NALNUM, no Match any non-alphanumeric char in locale
-SPACE SPACE, no Match any whitespace character
-SPACEL SPACE, no Match any whitespace char in locale
-NSPACE NSPACE, no Match any non-whitespace character
-NSPACEL NSPACE, no Match any non-whitespace char in locale
-DIGIT DIGIT, no Match any numeric character
-DIGITL DIGIT, no Match any numeric character in locale
-NDIGIT NDIGIT, no Match any non-numeric character
-NDIGITL NDIGIT, no Match any non-numeric character in locale
-CLUMP CLUMP, no Match any combining character sequence
-
-#* Alternation (31)
-
-# BRANCH The set of branches constituting a single choice are hooked
-# together with their "next" pointers, since precedence prevents
-# anything being concatenated to any individual branch. The
-# "next" pointer of the last BRANCH in a choice points to the
-# thing following the whole choice. This is also where the
-# final "next" pointer of each individual branch points; each
-# branch starts with the operand node of a BRANCH node.
+#* Exit points
+
+END END, no ; End of program.
+SUCCEED END, no ; Return from a subroutine, basically.
+
+#* Anchors:
+
+BOL BOL, no ; Match "" at beginning of line.
+MBOL BOL, no ; Same, assuming multiline.
+SBOL BOL, no ; Same, assuming singleline.
+EOS EOL, no ; Match "" at end of string.
+EOL EOL, no ; Match "" at end of line.
+MEOL EOL, no ; Same, assuming multiline.
+SEOL EOL, no ; Same, assuming singleline.
+BOUND BOUND, no ; Match "" at any word boundary
+BOUNDL BOUND, no ; Match "" at any word boundary
+NBOUND NBOUND, no ; Match "" at any word non-boundary
+NBOUNDL NBOUND, no ; Match "" at any word non-boundary
+GPOS GPOS, no ; Matches where last m//g left off.
+
+#* [Special] alternatives:
+
+REG_ANY REG_ANY, no 0 S ; Match any one character (except newline).
+SANY REG_ANY, no 0 S ; Match any one character.
+CANY REG_ANY, no 0 S ; Match any one byte.
+ANYOF ANYOF, sv 0 S ; Match character in (or not in) this class, folding is native charset for non-utf8.
+ALNUM ALNUM, no 0 S ; Match any alphanumeric character
+ALNUML ALNUM, no 0 S ; Match any alphanumeric char in locale
+NALNUM NALNUM, no 0 S ; Match any non-alphanumeric character
+NALNUML NALNUM, no 0 S ; Match any non-alphanumeric char in locale
+SPACE SPACE, no 0 S ; Match any whitespace character
+SPACEL SPACE, no 0 S ; Match any whitespace char in locale
+NSPACE NSPACE, no 0 S ; Match any non-whitespace character
+NSPACEL NSPACE, no 0 S ; Match any non-whitespace char in locale
+DIGIT DIGIT, no 0 S ; Match any numeric character
+DIGITL DIGIT, no ; Match any numeric character in locale
+NDIGIT NDIGIT, no 0 S ; Match any non-numeric character
+NDIGITL NDIGIT, no ; Match any non-numeric character in locale
+CLUMP CLUMP, no 0 V ; Match any extended grapheme cluster sequence
+
+#* Alternation
+
+# BRANCH The set of branches constituting a single choice are hooked
+# together with their "next" pointers, since precedence prevents
+# anything being concatenated to any individual branch. The
+# "next" pointer of the last BRANCH in a choice points to the
+# thing following the whole choice. This is also where the
+# final "next" pointer of each individual branch points; each
+# branch starts with the operand node of a BRANCH node.
#
-BRANCH BRANCH, node Match this alternative, or the next...
+BRANCH BRANCH, node 0 V ; Match this alternative, or the next...
-#*Back pointer (32)
+#*Back pointer
-# BACK Normal "next" pointers all implicitly point forward; BACK
-# exists to make loop structures possible.
+# BACK Normal "next" pointers all implicitly point forward; BACK
+# exists to make loop structures possible.
# not used
-BACK BACK, no Match "", "next" ptr points backward.
+BACK BACK, no 0 V ; Match "", "next" ptr points backward.
-#*Literals (33..35)
+#*Literals
-EXACT EXACT, str Match this string (preceded by length).
-EXACTF EXACT, str Match this string, folded (prec. by length).
-EXACTFL EXACT, str Match this string, folded in locale (w/len).
+EXACT EXACT, str ; Match this string (preceded by length).
+EXACTF EXACT, str ; Match this string, folded, native charset semantics for non-utf8 (prec. by length).
+EXACTFL EXACT, str ; Match this string, folded in locale (w/len).
-#*Do nothing types (36..37)
+#*Do nothing types
-NOTHING NOTHING,no Match empty string.
+NOTHING NOTHING, no ; Match empty string.
# A variant of above which delimits a group, thus stops optimizations
-TAIL NOTHING,no Match empty string. Can jump here from outside.
+TAIL NOTHING, no ; Match empty string. Can jump here from outside.
-#*Loops (38..44)
+#*Loops
-# STAR,PLUS '?', and complex '*' and '+', are implemented as circular
-# BRANCH structures using BACK. Simple cases (one character
-# per match) are implemented with STAR and PLUS for speed
-# and to minimize recursive plunges.
+# STAR,PLUS '?', and complex '*' and '+', are implemented as circular
+# BRANCH structures using BACK. Simple cases (one character
+# per match) are implemented with STAR and PLUS for speed
+# and to minimize recursive plunges.
#
-STAR STAR, node Match this (simple) thing 0 or more times.
-PLUS PLUS, node Match this (simple) thing 1 or more times.
+STAR STAR, node 0 V ; Match this (simple) thing 0 or more times.
+PLUS PLUS, node 0 V ; Match this (simple) thing 1 or more times.
-CURLY CURLY, sv 2 Match this simple thing {n,m} times.
-CURLYN CURLY, no 2 Match next-after-this simple thing
-# {n,m} times, set parenths.
-CURLYM CURLY, no 2 Match this medium-complex thing {n,m} times.
-CURLYX CURLY, sv 2 Match this complex thing {n,m} times.
+CURLY CURLY, sv 2 V ; Match this simple thing {n,m} times.
+CURLYN CURLY, no 2 V ; Capture next-after-this simple thing
+CURLYM CURLY, no 2 V ; Capture this medium-complex thing {n,m} times.
+CURLYX CURLY, sv 2 V ; Match this complex thing {n,m} times.
# This terminator creates a loop structure for CURLYX
-WHILEM WHILEM, no Do curly processing and see if rest matches.
+WHILEM WHILEM, no 0 V ; Do curly processing and see if rest matches.
-#*Buffer related (45..49)
+#*Buffer related
-# OPEN,CLOSE,GROUPP ...are numbered at compile time.
-OPEN OPEN, num 1 Mark this point in input as start of #n.
-CLOSE CLOSE, num 1 Analogous to OPEN.
+# OPEN,CLOSE,GROUPP ...are numbered at compile time.
+OPEN OPEN, num 1 ; Mark this point in input as start of #n.
+CLOSE CLOSE, num 1 ; Analogous to OPEN.
-REF REF, num 1 Match some already matched string
-REFF REF, num 1 Match already matched string, folded
-REFFL REF, num 1 Match already matched string, folded in loc.
+REF REF, num 1 V ; Match some already matched string
+REFF REF, num 1 V ; Match already matched string, folded using native charset semantics for non-utf8
+REFFL REF, num 1 V ; Match already matched string, folded in loc.
-#*Grouping assertions (50..54)
-IFMATCH BRANCHJ,off 1 2 Succeeds if the following matches.
-UNLESSM BRANCHJ,off 1 2 Fails if the following matches.
-SUSPEND BRANCHJ,off 1 1 "Independent" sub-RE.
-IFTHEN BRANCHJ,off 1 1 Switch, should be preceeded by switcher .
-GROUPP GROUPP, num 1 Whether the group matched.
+IFMATCH BRANCHJ, off 1 . 2 ; Succeeds if the following matches.
+UNLESSM BRANCHJ, off 1 . 2 ; Fails if the following matches.
+SUSPEND BRANCHJ, off 1 V 1 ; "Independent" sub-RE.
+IFTHEN BRANCHJ, off 1 V 1 ; Switch, should be preceeded by switcher .
+GROUPP GROUPP, num 1 ; Whether the group matched.
-#*Support for long RE (55..56)
+#*Support for long RE
-LONGJMP LONGJMP,off 1 1 Jump far away.
-BRANCHJ BRANCHJ,off 1 1 BRANCH with long offset.
+LONGJMP LONGJMP, off 1 . 1 ; Jump far away.
+BRANCHJ BRANCHJ, off 1 V 1 ; BRANCH with long offset.
-#*The heavy worker (57..58)
+#*The heavy worker
-EVAL EVAL, evl 1 Execute some Perl code.
+EVAL EVAL, evl 1 ; Execute some Perl code.
-#*Modifiers (59..60)
+#*Modifiers
-MINMOD MINMOD, no Next operator is not greedy.
-LOGICAL LOGICAL,no Next opcode should set the flag only.
+MINMOD MINMOD, no ; Next operator is not greedy.
+LOGICAL LOGICAL, no ; Next opcode should set the flag only.
-# This is not used yet (61)
-RENUM BRANCHJ,off 1 1 Group with independently numbered parens.
+# This is not used yet
+RENUM BRANCHJ, off 1 . 1 ; Group with independently numbered parens.
-#*Trie Related (62..64)
+#*Trie Related
# Behave the same as A|LIST|OF|WORDS would. The '..C' variants have
# inline charclass data (ascii only), the 'C' store it in the structure.
# NOTE: the relative order of the TRIE-like regops is signifigant
-TRIE TRIE, trie 1 Match many EXACT(FL?)? at once. flags==type
-TRIEC TRIE, trie charclass Same as TRIE, but with embedded charclass data
+TRIE TRIE, trie 1 ; Match many EXACT(F[LU]?)? at once. flags==type
+TRIEC TRIE,trie charclass ; Same as TRIE, but with embedded charclass data
# For start classes, contains an added fail table.
-AHOCORASICK TRIE, trie 1 Aho Corasick stclass. flags==type
-AHOCORASICKC TRIE, trie charclass Same as AHOCORASICK, but with embedded charclass data
+AHOCORASICK TRIE, trie 1 ; Aho Corasick stclass. flags==type
+AHOCORASICKC TRIE,trie charclass ; Same as AHOCORASICK, but with embedded charclass data
-#*Recursion (65..66)
-RECURSE RECURSE, num/ofs 2L recurse to paren arg1 at (signed) ofs arg2
-SRECURSE RECURSE, no recurse to start of pattern
+#*Regex Subroutines
+GOSUB GOSUB, num/ofs 2L ; recurse to paren arg1 at (signed) ofs arg2
+GOSTART GOSTART, no ; recurse to start of pattern
-#*Named references (67..69)
-NREF NREF, no-sv 1 Match some already matched string
-NREFF NREF, no-sv 1 Match already matched string, folded
-NREFFL NREF, no-sv 1 Match already matched string, folded in loc.
+#*Named references
+NREF REF, no-sv 1 V ; Match some already matched string
+NREFF REF, no-sv 1 V ; Match already matched string, folded using native charset semantics for non-utf8
+NREFFL REF, no-sv 1 V ; Match already matched string, folded in loc.
-# NEW STUFF ABOVE THIS LINE -- Please update counts below.
+#*Special conditionals
+NGROUPP NGROUPP, no-sv 1 ; Whether the group matched.
+INSUBP INSUBP, num 1 ; Whether we are in a specific recurse.
+DEFINEP DEFINEP, none 1 ; Never execute directly.
+
+#*Bactracking Verbs
+ENDLIKE ENDLIKE, none ; Used only for the type field of verbs
+OPFAIL ENDLIKE, none ; Same as (?!)
+ACCEPT ENDLIKE, parno 1 ; Accepts the current matched string.
+
+
+#*Verbs With Arguments
+VERB VERB, no-sv 1 ; Used only for the type field of verbs
+PRUNE VERB, no-sv 1 ; Pattern fails at this startpoint if no-backtracking through this
+MARKPOINT VERB, no-sv 1 ; Push the current location for rollback by cut.
+SKIP VERB, no-sv 1 ; On failure skip forward (to the mark) before retrying
+COMMIT VERB, no-sv 1 ; Pattern fails outright if backtracking through this
+CUTGROUP VERB, no-sv 1 ; On failure go to the next alternation in the group
+
+#*Control what to keep in $&.
+KEEPS KEEPS, no ; $& begins here.
+
+#*New charclass like patterns
+LNBREAK LNBREAK, none ; generic newline pattern
+VERTWS VERTWS, none 0 S ; vertical whitespace (Perl 6)
+NVERTWS NVERTWS, none 0 S ; not vertical whitespace (Perl 6)
+HORIZWS HORIZWS, none 0 S ; horizontal whitespace (Perl 6)
+NHORIZWS NHORIZWS, none 0 S ; not horizontal whitespace (Perl 6)
+
+FOLDCHAR FOLDCHAR, codepoint 1 ; codepoint with tricky case folding properties.
+EXACTFU EXACT, str ; Match this string, folded, Unicode semantics for non-utf8 (prec. by length).
+
+# These could have been implemented using the FLAGS field of the regnode, but
+# by having a separate node type, we can use the existing switch statement to
+# avoid some tests
+REFFU REF, num 1 V ; Match already matched string, folded using unicode semantics for non-utf8
+NREFFU REF, num 1 V ; Match already matched string, folded using unicode semantics for non-utf8
+
+
+# NEW STUFF SOMEWHERE ABOVE THIS LINE
################################################################################
-#*SPECIAL REGOPS (70, 71)
+#*SPECIAL REGOPS
# 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.
+OPTIMIZED NOTHING, off ; Placeholder for dump.
# 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.
+PSEUDO PSEUDO, off ; Pseudo opcode for internal use.
-------------------------------------------------------------------------------
# Format for second section:
# Anything below is a state
#
#
-TRIE next:FAIL
-EVAL AB:FAIL
-CURLYX end:FAIL
-WHILEM A_pre,A_min,A_max,B_min,B_max:FAIL
-BRANCH next:FAIL
-CURLYM A,B:FAIL
-IFMATCH A:FAIL
-CURLY B_min_known,B_min,B_max:FAIL
-
+TRIE next:FAIL
+EVAL AB:FAIL
+CURLYX end:FAIL
+WHILEM A_pre,A_min,A_max,B_min,B_max:FAIL
+BRANCH next:FAIL
+CURLYM A,B:FAIL
+IFMATCH A:FAIL
+CURLY B_min_known,B_min,B_max:FAIL
+COMMIT next:FAIL
+MARKPOINT next:FAIL
+SKIP next:FAIL
+CUTGROUP next:FAIL
+KEEPS next:FAIL
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