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Refactor S_regclass to generate slightly smaller object code
Nicholas Clark [Fri, 14 Jan 2005 10:58:47 +0000 (10:58 +0000)]
p4raw-id: //depot/perl@23802

regcomp.c patch | blob | blame | history

diff --git a/regcomp.c b/regcomp.c
index d3a0ab1..2a942d5 100644 (file)
--- a/regcomp.c
+++ b/regcomp.c
@@ -3756,6 +3756,9 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
            }
 
            if (!SIZE_ONLY) {
+               const char *what = NULL;
+               char yesno = 0;
+
                if (namedclass > OOB_NAMEDCLASS)
                    optimize_invert = FALSE;
                /* Possible truncation here but in some 64-bit environments
@@ -3771,7 +3774,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (isALNUM(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "+utf8::IsWord\n");     
+                   yesno = '+';
+                   what = "Word";      
                    break;
                case ANYOF_NALNUM:
                    if (LOC)
@@ -3781,7 +3785,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (!isALNUM(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "!utf8::IsWord\n");
+                   yesno = '!';
+                   what = "Word";
                    break;
                case ANYOF_ALNUMC:
                    if (LOC)
@@ -3791,7 +3796,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (isALNUMC(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "+utf8::IsAlnum\n");
+                   yesno = '+';
+                   what = "Alnum";
                    break;
                case ANYOF_NALNUMC:
                    if (LOC)
@@ -3801,7 +3807,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (!isALNUMC(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "!utf8::IsAlnum\n");
+                   yesno = '!';
+                   what = "Alnum";
                    break;
                case ANYOF_ALPHA:
                    if (LOC)
@@ -3811,7 +3818,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (isALPHA(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "+utf8::IsAlpha\n");
+                   yesno = '+';
+                   what = "Alpha";
                    break;
                case ANYOF_NALPHA:
                    if (LOC)
@@ -3821,7 +3829,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (!isALPHA(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "!utf8::IsAlpha\n");
+                   yesno = '!';
+                   what = "Alpha";
                    break;
                case ANYOF_ASCII:
                    if (LOC)
@@ -3837,7 +3846,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                        }
 #endif /* EBCDIC */
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "+utf8::IsASCII\n");
+                   yesno = '+';
+                   what = "ASCII";
                    break;
                case ANYOF_NASCII:
                    if (LOC)
@@ -3853,7 +3863,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                        }
 #endif /* EBCDIC */
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "!utf8::IsASCII\n");
+                   yesno = '!';
+                   what = "ASCII";
                    break;
                case ANYOF_BLANK:
                    if (LOC)
@@ -3863,7 +3874,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (isBLANK(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "+utf8::IsBlank\n");
+                   yesno = '+';
+                   what = "Blank";
                    break;
                case ANYOF_NBLANK:
                    if (LOC)
@@ -3873,7 +3885,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (!isBLANK(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "!utf8::IsBlank\n");
+                   yesno = '!';
+                   what = "Blank";
                    break;
                case ANYOF_CNTRL:
                    if (LOC)
@@ -3883,7 +3896,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (isCNTRL(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "+utf8::IsCntrl\n");
+                   yesno = '+';
+                   what = "Cntrl";
                    break;
                case ANYOF_NCNTRL:
                    if (LOC)
@@ -3893,7 +3907,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (!isCNTRL(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "!utf8::IsCntrl\n");
+                   yesno = '!';
+                   what = "Cntrl";
                    break;
                case ANYOF_DIGIT:
                    if (LOC)
@@ -3903,7 +3918,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                        for (value = '0'; value <= '9'; value++)
                            ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "+utf8::IsDigit\n");
+                   yesno = '+';
+                   what = "Digit";
                    break;
                case ANYOF_NDIGIT:
                    if (LOC)
@@ -3915,7 +3931,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                        for (value = '9' + 1; value < 256; value++)
                            ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "!utf8::IsDigit\n");
+                   yesno = '!';
+                   what = "Digit";
                    break;
                case ANYOF_GRAPH:
                    if (LOC)
@@ -3925,7 +3942,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (isGRAPH(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "+utf8::IsGraph\n");
+                   yesno = '+';
+                   what = "Graph";
                    break;
                case ANYOF_NGRAPH:
                    if (LOC)
@@ -3935,7 +3953,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (!isGRAPH(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "!utf8::IsGraph\n");
+                   yesno = '!';
+                   what = "Graph";
                    break;
                case ANYOF_LOWER:
                    if (LOC)
@@ -3945,7 +3964,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (isLOWER(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "+utf8::IsLower\n");
+                   yesno = '+';
+                   what = "Lower";
                    break;
                case ANYOF_NLOWER:
                    if (LOC)
@@ -3955,7 +3975,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (!isLOWER(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "!utf8::IsLower\n");
+                   yesno = '!';
+                   what = "Lower";
                    break;
                case ANYOF_PRINT:
                    if (LOC)
@@ -3965,7 +3986,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (isPRINT(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "+utf8::IsPrint\n");
+                   yesno = '+';
+                   what = "Print";
                    break;
                case ANYOF_NPRINT:
                    if (LOC)
@@ -3975,7 +3997,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (!isPRINT(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "!utf8::IsPrint\n");
+                   yesno = '!';
+                   what = "Print";
                    break;
                case ANYOF_PSXSPC:
                    if (LOC)
@@ -3985,7 +4008,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (isPSXSPC(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "+utf8::IsSpace\n");
+                   yesno = '+';
+                   what = "Space";
                    break;
                case ANYOF_NPSXSPC:
                    if (LOC)
@@ -3995,7 +4019,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (!isPSXSPC(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "!utf8::IsSpace\n");
+                   yesno = '!';
+                   what = "Space";
                    break;
                case ANYOF_PUNCT:
                    if (LOC)
@@ -4005,7 +4030,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (isPUNCT(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "+utf8::IsPunct\n");
+                   yesno = '+';
+                   what = "Punct";
                    break;
                case ANYOF_NPUNCT:
                    if (LOC)
@@ -4015,7 +4041,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (!isPUNCT(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "!utf8::IsPunct\n");
+                   yesno = '!';
+                   what = "Punct";
                    break;
                case ANYOF_SPACE:
                    if (LOC)
@@ -4025,7 +4052,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (isSPACE(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "+utf8::IsSpacePerl\n");
+                   yesno = '+';
+                   what = "SpacePerl";
                    break;
                case ANYOF_NSPACE:
                    if (LOC)
@@ -4035,7 +4063,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (!isSPACE(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "!utf8::IsSpacePerl\n");
+                   yesno = '!';
+                   what = "SpacePerl";
                    break;
                case ANYOF_UPPER:
                    if (LOC)
@@ -4045,7 +4074,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (isUPPER(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "+utf8::IsUpper\n");
+                   yesno = '+';
+                   what = "Upper";
                    break;
                case ANYOF_NUPPER:
                    if (LOC)
@@ -4055,7 +4085,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (!isUPPER(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "!utf8::IsUpper\n");
+                   yesno = '!';
+                   what = "Upper";
                    break;
                case ANYOF_XDIGIT:
                    if (LOC)
@@ -4065,7 +4096,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (isXDIGIT(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "+utf8::IsXDigit\n");
+                   yesno = '+';
+                   what = "XDigit";
                    break;
                case ANYOF_NXDIGIT:
                    if (LOC)
@@ -4075,7 +4107,8 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                            if (!isXDIGIT(value))
                                ANYOF_BITMAP_SET(ret, value);
                    }
-                   Perl_sv_catpv(aTHX_ listsv, "!utf8::IsXDigit\n");
+                   yesno = '!';
+                   what = "XDigit";
                    break;
                case ANYOF_MAX:
                    /* this is to handle \p and \P */
@@ -4084,6 +4117,10 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state)
                    vFAIL("Invalid [::] class");
                    break;
                }
+               if (what) {
+                   /* Strings such as "+utf8::isWord\n" */
+                   Perl_sv_catpvf(aTHX_ listsv, "%cutf8::Is%s\n", yesno, what);
+               }
                if (LOC)
                    ANYOF_FLAGS(ret) |= ANYOF_CLASS;
                continue;
@@ -5157,5 +5194,5 @@ clear_re(pTHX_ void *r)
  * indent-tabs-mode: t
  * End:
  *
- * vim: expandtab shiftwidth=4:
+ * vim: shiftwidth=4:
 */
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