B::check_av() ; B::Deparse for CHECK blocks

[p5sagit/p5-mst-13.2.git] / ext / B / B.xs

diff --git a/ext/B/B.xs b/ext/B/B.xs
index c731c98..d7ae0f1 100644 (file)
--- a/ext/B/B.xs
+++ b/ext/B/B.xs
@@ -224,7 +224,7 @@ make_mg_object(pTHX_ SV *arg, MAGIC *mg)
 }
 
 static SV *
-cstring(pTHX_ SV *sv)
+cstring(pTHX_ SV *sv, bool perlstyle)
 {
     SV *sstr = newSVpvn("", 0);
     STRLEN len;
@@ -233,6 +233,34 @@ cstring(pTHX_ SV *sv)
 
     if (!SvOK(sv))
        sv_setpvn(sstr, "0", 1);
+    else if (perlstyle && SvUTF8(sv))
+    {
+       SV *tmpsv = sv_newmortal(); /* Temporary SV to feed sv_uni_display */
+       len = SvCUR(sv);
+       s = sv_uni_display(tmpsv, sv, 8*len, UNI_DISPLAY_QQ);
+       sv_setpv(sstr,"\"");
+       while (*s)
+       {
+           if (*s == '"')
+               sv_catpv(sstr, "\\\"");
+           else if (*s == '$')
+               sv_catpv(sstr, "\\$");
+           else if (*s == '@')
+               sv_catpv(sstr, "\\@");
+           else if (*s == '\\')
+           {
+               if (strchr("nrftax\\",*(s+1)))
+                   sv_catpvn(sstr, s++, 2);
+               else
+                   sv_catpv(sstr, "\\\\");
+           }
+           else /* should always be printable */
+               sv_catpvn(sstr, s, 1);
+           ++s;
+       }
+       sv_catpv(sstr, "\"");
+       return sstr;
+    }
     else
     {
        /* XXX Optimise? */
@@ -246,11 +274,15 @@ cstring(pTHX_ SV *sv)
            else if (*s == '\\')
                sv_catpv(sstr, "\\\\");
             /* trigraphs - bleagh */
-            else if (*s == '?' && len>=3 && s[1] == '?')
+            else if (!perlstyle && *s == '?' && len>=3 && s[1] == '?')
             {
                 sprintf(escbuff, "\\%03o", '?');
                 sv_catpv(sstr, escbuff);
             }
+           else if (perlstyle && *s == '$')
+               sv_catpv(sstr, "\\$");
+           else if (perlstyle && *s == '@')
+               sv_catpv(sstr, "\\@");
 #ifdef EBCDIC
            else if (isPRINT(*s))
 #else
@@ -269,7 +301,7 @@ cstring(pTHX_ SV *sv)
                sv_catpv(sstr, "\\b");
            else if (*s == '\f')
                sv_catpv(sstr, "\\f");
-           else if (*s == '\v')
+           else if (!perlstyle && *s == '\v')
                sv_catpv(sstr, "\\v");
            else
            {
@@ -297,7 +329,7 @@ cchar(pTHX_ SV *sv)
     else if (*s == '\\')
        sv_catpv(sstr, "\\\\");
 #ifdef EBCDIC
-    else if (isPRINT(8s))
+    else if (isPRINT(*s))
 #else
     else if (*s >= ' ' && *s < 127)
 #endif /* EBCDIC */
@@ -333,7 +365,7 @@ void
 walkoptree(pTHX_ SV *opsv, char *method)
 {
     dSP;
-    OP *o;
+    OP *o, *kid;
     dMY_CXT;
 
     if (!SvROK(opsv))
@@ -351,13 +383,18 @@ walkoptree(pTHX_ SV *opsv, char *method)
     PUTBACK;
     perl_call_method(method, G_DISCARD);
     if (o && (o->op_flags & OPf_KIDS)) {
-       OP *kid;
        for (kid = ((UNOP*)o)->op_first; kid; kid = kid->op_sibling) {
            /* Use the same opsv. Rely on methods not to mess it up. */
            sv_setiv(newSVrv(opsv, cc_opclassname(aTHX_ kid)), PTR2IV(kid));
            walkoptree(aTHX_ opsv, method);
        }
     }
+    if (o && (cc_opclass(aTHX_ o) == OPc_PMOP)
+           && (kid = cPMOPo->op_pmreplroot))
+    {
+       sv_setiv(newSVrv(opsv, opclassnames[OPc_PMOP]), PTR2IV(kid));
+       walkoptree(aTHX_ opsv, method);
+    }
 }
 
 typedef OP     *B__OP;
@@ -409,6 +446,7 @@ BOOT:
 
 #define B_main_cv()    PL_main_cv
 #define B_init_av()    PL_initav
+#define B_check_av()   PL_checkav_save
 #define B_begin_av()   PL_beginav_save
 #define B_end_av()     PL_endav
 #define B_main_root()  PL_main_root
@@ -426,6 +464,9 @@ B::AV
 B_init_av()
 
 B::AV
+B_check_av()
+
+B::AV
 B_begin_av()
 
 B::AV
@@ -561,7 +602,15 @@ SV *
 cstring(sv)
        SV *    sv
     CODE:
-       RETVAL = cstring(aTHX_ sv);
+       RETVAL = cstring(aTHX_ sv, 0);
+    OUTPUT:
+       RETVAL
+
+SV *
+perlstring(sv)
+       SV *    sv
+    CODE:
+       RETVAL = cstring(aTHX_ sv, 1);
     OUTPUT:
        RETVAL
 
@@ -623,7 +672,7 @@ OP_ppaddr(o)
     CODE:
        sv_setpvn(sv, "PL_ppaddr[OP_", 13);
        sv_catpv(sv, PL_op_name[o->op_type]);
-       for (i=13; i<SvCUR(sv); ++i)
+       for (i=13; (STRLEN)i < SvCUR(sv); ++i)
            SvPVX(sv)[i] = toUPPER(SvPVX(sv)[i]);
        sv_catpv(sv, "]");
        ST(0) = sv;
@@ -741,11 +790,11 @@ PMOP_pmoffset(o)
 
 #endif
 
-U16
+U32
 PMOP_pmflags(o)
        B::PMOP         o
 
-U16
+U32
 PMOP_pmpermflags(o)
        B::PMOP         o