Implement Hash/Array ~~ Regex (with tests)
authorRafael Garcia-Suarez <rgarciasuarez@gmail.com>
Sat, 9 May 2009 15:47:31 +0000 (17:47 +0200)
committerRafael Garcia-Suarez <rgarciasuarez@gmail.com>
Sat, 9 May 2009 15:47:31 +0000 (17:47 +0200)
pp_ctl.c
t/op/smartmatch.t

index c6bb46a..27a4c03 100644 (file)
--- a/pp_ctl.c
+++ b/pp_ctl.c
@@ -4203,20 +4203,23 @@ S_do_smartmatch(pTHX_ HV *seen_this, HV *seen_other)
            RETPUSHNO;
        }
        else if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_REGEXP) {
-           PMOP * const matcher = make_matcher((REGEXP*) SvRV(d));
-           HE *he;
-           HV *hv = MUTABLE_HV(SvRV(e));
-
-           (void) hv_iterinit(hv);
-           while ( (he = hv_iternext(hv)) ) {
-               if (matcher_matches_sv(matcher, hv_iterkeysv(he))) {
-                   (void) hv_iterinit(hv);
-                   destroy_matcher(matcher);
-                   RETPUSHYES;
+         sm_regex_hash:
+           {
+               PMOP * const matcher = make_matcher((REGEXP*) SvRV(d));
+               HE *he;
+               HV *hv = MUTABLE_HV(SvRV(e));
+
+               (void) hv_iterinit(hv);
+               while ( (he = hv_iternext(hv)) ) {
+                   if (matcher_matches_sv(matcher, hv_iterkeysv(he))) {
+                       (void) hv_iterinit(hv);
+                       destroy_matcher(matcher);
+                       RETPUSHYES;
+                   }
                }
+               destroy_matcher(matcher);
+               RETPUSHNO;
            }
-           destroy_matcher(matcher);
-           RETPUSHNO;
        }
        else {
          sm_any_hash:
@@ -4303,19 +4306,22 @@ S_do_smartmatch(pTHX_ HV *seen_this, HV *seen_other)
            }
        }
        else if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_REGEXP) {
-           PMOP * const matcher = make_matcher((REGEXP*) SvRV(d));
-           const I32 this_len = av_len(MUTABLE_AV(SvRV(e)));
-           I32 i;
+         sm_regex_array:
+           {
+               PMOP * const matcher = make_matcher((REGEXP*) SvRV(d));
+               const I32 this_len = av_len(MUTABLE_AV(SvRV(e)));
+               I32 i;
 
-           for(i = 0; i <= this_len; ++i) {
-               SV * const * const svp = av_fetch(MUTABLE_AV(SvRV(e)), i, FALSE);
-               if (svp && matcher_matches_sv(matcher, *svp)) {
-                   destroy_matcher(matcher);
-                   RETPUSHYES;
+               for(i = 0; i <= this_len; ++i) {
+                   SV * const * const svp = av_fetch(MUTABLE_AV(SvRV(e)), i, FALSE);
+                   if (svp && matcher_matches_sv(matcher, *svp)) {
+                       destroy_matcher(matcher);
+                       RETPUSHYES;
+                   }
                }
+               destroy_matcher(matcher);
+               RETPUSHNO;
            }
-           destroy_matcher(matcher);
-           RETPUSHNO;
        }
        else if (!SvOK(d)) {
            /* undef ~~ array */
@@ -4355,14 +4361,24 @@ S_do_smartmatch(pTHX_ HV *seen_this, HV *seen_other)
     }
     /* ~~ qr// */
     else if (SvROK(e) && SvTYPE(SvRV(e)) == SVt_REGEXP) {
-       PMOP * const matcher = make_matcher((REGEXP*) SvRV(e));
+       if (!object_on_left && SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVHV) {
+           SV *t = d; d = e; e = t;
+           goto sm_regex_hash;
+       }
+       else if (!object_on_left && SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVAV) {
+           SV *t = d; d = e; e = t;
+           goto sm_regex_array;
+       }
+       else {
+           PMOP * const matcher = make_matcher((REGEXP*) SvRV(e));
 
-       PUTBACK;
-       PUSHs(matcher_matches_sv(matcher, d)
-           ? &PL_sv_yes
-           : &PL_sv_no);
-       destroy_matcher(matcher);
-       RETURN;
+           PUTBACK;
+           PUSHs(matcher_matches_sv(matcher, d)
+                   ? &PL_sv_yes
+                   : &PL_sv_no);
+           destroy_matcher(matcher);
+           RETURN;
+       }
     }
     /* ~~ X..Y TODO */
     /* ~~ scalar */
index 3124b7a..eb14bf0 100644 (file)
@@ -266,16 +266,15 @@ __DATA__
 =      \@fooormore     %fooormore
 
 #  - a regex
-# TODO those should be symmetrical
-       qr/^(fo[ox])$/          {foo => 1}
-       /^(fo[ox])$/            %fooormore
+=      qr/^(fo[ox])$/          {foo => 1}
+=      /^(fo[ox])$/            %fooormore
 =!     qr/[13579]$/            +{0..99}
-     qr/a*/                  {}
+=!     qr/a*/                  {}
 =      qr/a*/                  {b=>2}
-       qr/B/i                  {b=>2}
-       /B/i                    {b=>2}
-     qr/a+/                  {b=>2}
-       qr/^à/                 {"à"=>2}
+=      qr/B/i                  {b=>2}
+=      /B/i                    {b=>2}
+=!     qr/a+/                  {b=>2}
+=      qr/^à/                 {"à"=>2}
 
 #  - a scalar
        "foo"           +{foo => 1, bar => 2}
@@ -301,8 +300,8 @@ __DATA__
 #  - another array ref
        []                      []
 =!     []                      [1]
-!      [["foo"], ["bar"]]      [qr/o/, qr/a/]
-       [["foo"], ["bar"]]      [qr/ARRAY/, qr/ARRAY/]
+       [["foo"], ["bar"]]      [qr/o/, qr/a/]
+!      [["foo"], ["bar"]]      [qr/ARRAY/, qr/ARRAY/]
        ["foo", "bar"]          [qr/o/, qr/a/]
 !      [qr/o/, qr/a/]          ["foo", "bar"]
        ["foo", "bar"]          [["foo"], ["bar"]]
@@ -328,12 +327,12 @@ __DATA__
        "foo"                   ('foo','bar')   TODO
 
 #  - a regex
-       qr/x/           [qw(foo bar baz quux)]
-     qr/y/           [qw(foo bar baz quux)]
-       /x/             [qw(foo bar baz quux)]
-     /y/             [qw(foo bar baz quux)]
-       /FOO/i          @fooormore
-     /bar/           @fooormore
+=      qr/x/           [qw(foo bar baz quux)]
+=!     qr/y/           [qw(foo bar baz quux)]
+=      /x/             [qw(foo bar baz quux)]
+=!     /y/             [qw(foo bar baz quux)]
+=      /FOO/i          @fooormore
+=!     /bar/           @fooormore
 
 # - a number
        2               [qw(1.00 2.00)]