++ 20% faster

[p5sagit/p5-mst-13.2.git] / doop.c

diff --git a/doop.c b/doop.c
index 9fd7dfa..3c34425 100644 (file)
--- a/doop.c
+++ b/doop.c
@@ -144,6 +144,7 @@ S_do_trans_complex(pTHX_ SV *sv)/* SPC - NOT OK */
     U8 *s;
     U8 *send;
     U8 *d;
+    U8 *dstart;
     I32 hasutf = SvUTF8(sv);
     I32 matches = 0;
     STRLEN len;
@@ -157,7 +158,9 @@ S_do_trans_complex(pTHX_ SV *sv)/* SPC - NOT OK */
     s = (U8*)SvPV(sv, len);
     send = s + len;
 
-    d = s;
+    Newz(0, d, len*2+1, U8);
+    dstart = d;
+
     if (PL_op->op_private & OPpTRANS_SQUASH) {
        U8* p = send;
 
@@ -168,9 +171,7 @@ S_do_trans_complex(pTHX_ SV *sv)/* SPC - NOT OK */
                if ((ch = tbl[*s]) >= 0) {
                    *d = ch;
                    matches++;
-                   if (p == d - 1 && *p == *d)
-                       matches--;
-                   else
+           if (p != d - 1 || *p != *d)
                        p = d++;
                }
                else if (ch == -1)      /* -1 is unmapped character */
@@ -181,26 +182,41 @@ S_do_trans_complex(pTHX_ SV *sv)/* SPC - NOT OK */
     }
     else {
        while (s < send) {
+           UV comp;
             if (hasutf && *s & 0x80)
-                s += UTF8SKIP(s);
-            else {
-               if ((ch = tbl[*s]) >= 0) {
-                   *d = ch;
-                   matches++;
-                   d++;
-               }
-               else if (ch == -1)      /* -1 is unmapped character */
-                   *d++ = *s;          /* -2 is delete character */
-               s++;
-            }
+                comp = utf8_to_uv_simple(s, NULL);
+           else
+                comp = *s;
+           
+           ch = tbl[comp];
+           
+           if (ch == -1) { /* -1 is unmapped character */
+                ch = comp;
+               matches--;
+           }
+
+           if (ch >= 0) {
+               if (hasutf)
+                 d = uv_to_utf8(d, ch);
+               else 
+                 *d++ = ch;
+           }
+           matches++;
+
+           s += hasutf && *s & 0x80 ? UNISKIP(*s) : 1;
+            
        }
     }
-    matches += send - d;               /* account for disappeared chars */
+
     *d = '\0';
-    SvCUR_set(sv, d - (U8*)SvPVX(sv));
-    SvSETMAGIC(sv);
 
+    sv_setpvn(sv, (const char*)dstart, d - dstart);
+    Safefree(dstart);
+    if (hasutf)
+        SvUTF8_on(sv);
+    SvSETMAGIC(sv);
     return matches;
+
 }
 
 STATIC I32
@@ -926,7 +942,7 @@ Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right)
 
     if (left_utf && !right_utf)
        sv_utf8_upgrade(right);
-    if (!left_utf && right_utf)
+    else if (!left_utf && right_utf)
        sv_utf8_upgrade(left);
 
     if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv)))
@@ -968,10 +984,10 @@ Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right)
        switch (optype) {
        case OP_BIT_AND:
            while (lulen && rulen) {
-               luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANY);
+               luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV);
                lc += ulen;
                lulen -= ulen;
-               ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANY);
+               ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV);
                rc += ulen;
                rulen -= ulen;
                duc = luc & ruc;
@@ -983,10 +999,10 @@ Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right)
            break;
        case OP_BIT_XOR:
            while (lulen && rulen) {
-               luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANY);
+               luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV);
                lc += ulen;
                lulen -= ulen;
-               ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANY);
+               ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV);
                rc += ulen;
                rulen -= ulen;
                duc = luc ^ ruc;
@@ -995,10 +1011,10 @@ Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right)
            goto mop_up_utf;
        case OP_BIT_OR:
            while (lulen && rulen) {
-               luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANY);
+               luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV);
                lc += ulen;
                lulen -= ulen;
-               ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANY);
+               ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV);
                rc += ulen;
                rulen -= ulen;
                duc = luc | ruc;