Bump copyright year

[perl/modules/indirect.git] / indirect.xs

diff --git a/indirect.xs b/indirect.xs
index ba9c503958a997ab3b043683cbd0b48b9af213f4..49bdd205288bf20f2d37735e02a13da9f01ec401 100644 (file)
--- a/indirect.xs
+++ b/indirect.xs
@@ -84,7 +84,7 @@
 #endif
 
 #ifndef I_WORKAROUND_REQUIRE_PROPAGATION
-# define I_WORKAROUND_REQUIRE_PROPAGATION !I_HAS_PERL(5, 10, 1)
+# define I_WORKAROUND_REQUIRE_PROPAGATION !I_HAS_PERL(5, 12, 0)
 #endif
 
 /* ... Thread safety and multiplicity ...................................... */
@@ -200,6 +200,7 @@ typedef struct {
 #include "ptable.h"
 
 #define ptable_store(T, K, V) ptable_store(aTHX_ (T), (K), (V))
+#define ptable_delete(T, K)   ptable_delete(aTHX_ (T), (K))
 #define ptable_clear(T)       ptable_clear(aTHX_ (T))
 #define ptable_free(T)        ptable_free(aTHX_ (T))
 
@@ -384,27 +385,16 @@ STATIC U32 indirect_hash = 0;
 
 STATIC SV *indirect_hint(pTHX) {
 #define indirect_hint() indirect_hint(aTHX)
- SV *hint;
+ SV **val;
 
  if (IN_PERL_RUNTIME)
   return NULL;
 
-#if I_HAS_PERL(5, 9, 5)
- hint = Perl_refcounted_he_fetch(aTHX_ PL_curcop->cop_hints_hash,
-                                       NULL,
-                                       __PACKAGE__, __PACKAGE_LEN__,
-                                       0,
-                                       indirect_hash);
-#else
- {
-  SV **val = hv_fetch(GvHV(PL_hintgv), __PACKAGE__, __PACKAGE_LEN__,
-                                                                 indirect_hash);
-  if (!val)
-   return 0;
-  hint = *val;
- }
-#endif
- return indirect_detag(hint);
+ val = hv_fetch(GvHV(PL_hintgv), __PACKAGE__, __PACKAGE_LEN__, indirect_hash);
+ if (!val)
+  return NULL;
+
+ return indirect_detag(*val);
 }
 
 /* ... op -> source position ............................................... */
@@ -453,7 +443,7 @@ STATIC void indirect_map_delete(pTHX_ const OP *o) {
 #define indirect_map_delete(O) indirect_map_delete(aTHX_ (O))
  dMY_CXT;
 
- ptable_store(MY_CXT.map, o, NULL);
+ ptable_delete(MY_CXT.map, o);
 }
 
 /* --- Check functions ----------------------------------------------------- */
@@ -461,7 +451,7 @@ STATIC void indirect_map_delete(pTHX_ const OP *o) {
 STATIC int indirect_find(pTHX_ SV *sv, const char *s, STRLEN *pos) {
 #define indirect_find(N, S, P) indirect_find(aTHX_ (N), (S), (P))
  STRLEN len;
- const char *p = NULL, *r = SvPV_const(sv, len);
+ const char *p, *r = SvPV_const(sv, len);
 
  if (len >= 1 && *r == '$') {
   ++r;
@@ -471,15 +461,18 @@ STATIC int indirect_find(pTHX_ SV *sv, const char *s, STRLEN *pos) {
    return 0;
  }
 
- p = strstr(s, r);
- while (p) {
-  p += len;
-  if (!isALNUM(*p))
+ p = s;
+ while (1) {
+  p = strstr(p, r);
+  if (!p)
+   return 0;
+  if (!isALNUM(p[len]))
    break;
-  p = strstr(p + 1, r);
+  /* p points to a word that has r as prefix, skip the rest of the word */
+  p += len + 1;
+  while (isALNUM(*p))
+   ++p;
  }
- if (!p)
-  return 0;
 
  *pos = p - SvPVX_const(PL_linestr);
 
@@ -491,7 +484,7 @@ STATIC int indirect_find(pTHX_ SV *sv, const char *s, STRLEN *pos) {
 STATIC OP *(*indirect_old_ck_const)(pTHX_ OP *) = 0;
 
 STATIC OP *indirect_ck_const(pTHX_ OP *o) {
- o = CALL_FPTR(indirect_old_ck_const)(aTHX_ o);
+ o = indirect_old_ck_const(aTHX_ o);
 
  if (indirect_hint()) {
   SV *sv = cSVOPo_sv;
@@ -564,14 +557,14 @@ STATIC OP *indirect_ck_rv2sv(pTHX_ OP *o) {
     goto done;
   }
 
-  o = CALL_FPTR(indirect_old_ck_rv2sv)(aTHX_ o);
+  o = indirect_old_ck_rv2sv(aTHX_ o);
 
   indirect_map_store(o, pos, sv, CopLINE(&PL_compiling));
   return o;
  }
 
 done:
- o = CALL_FPTR(indirect_old_ck_rv2sv)(aTHX_ o);
+ o = indirect_old_ck_rv2sv(aTHX_ o);
 
  indirect_map_delete(o);
  return o;
@@ -582,7 +575,7 @@ done:
 STATIC OP *(*indirect_old_ck_padany)(pTHX_ OP *) = 0;
 
 STATIC OP *indirect_ck_padany(pTHX_ OP *o) {
- o = CALL_FPTR(indirect_old_ck_padany)(aTHX_ o);
+ o = indirect_old_ck_padany(aTHX_ o);
 
  if (indirect_hint()) {
   SV *sv;
@@ -616,7 +609,7 @@ STATIC OP *indirect_ck_scope(pTHX_ OP *o) {
   case OP_SCOPE:   old_ck = indirect_old_ck_scope;   break;
   case OP_LINESEQ: old_ck = indirect_old_ck_lineseq; break;
  }
- o = CALL_FPTR(old_ck)(aTHX_ o);
+ o = old_ck(aTHX_ o);
 
  if (indirect_hint()) {
   indirect_map_store(o, PL_oldbufptr - SvPVX_const(PL_linestr),
@@ -647,24 +640,16 @@ STATIC OP *indirect_ck_method(pTHX_ OP *o) {
    line_t line;
    SV *sv;
 
-   if (oi) {
-    sv   = sv_2mortal(newSVpvn(oi->buf, oi->len));
-    pos  = oi->pos;
-    /* Keep the old line so that we really point to the first line of the
-     * expression. */
-    line = oi->line;
-   } else {
-    sv = cSVOPx_sv(op);
-    if (!SvPOK(sv) || (SvTYPE(sv) < SVt_PV))
-     goto done;
-    sv = sv_mortalcopy(sv);
+   if (!oi)
+    goto done;
 
-    if (!indirect_find(sv, PL_oldbufptr, &pos))
-     goto done;
-    line = CopLINE(&PL_compiling);
-   }
+   sv   = sv_2mortal(newSVpvn(oi->buf, oi->len));
+   pos  = oi->pos;
+   /* Keep the old line so that we really point to the first line of the
+    * expression. */
+   line = oi->line;
 
-   o = CALL_FPTR(indirect_old_ck_method)(aTHX_ o);
+   o = indirect_old_ck_method(aTHX_ o);
    /* o may now be a method_named */
 
    indirect_map_store(o, pos, sv, line);
@@ -673,7 +658,7 @@ STATIC OP *indirect_ck_method(pTHX_ OP *o) {
  }
 
 done:
- o = CALL_FPTR(indirect_old_ck_method)(aTHX_ o);
+ o = indirect_old_ck_method(aTHX_ o);
 
  indirect_map_delete(o);
  return o;
@@ -701,14 +686,14 @@ STATIC OP *indirect_ck_method_named(pTHX_ OP *o) {
    goto done;
   line = CopLINE(&PL_compiling);
 
-  o = CALL_FPTR(indirect_old_ck_method_named)(aTHX_ o);
+  o = indirect_old_ck_method_named(aTHX_ o);
 
   indirect_map_store(o, pos, sv, line);
   return o;
  }
 
 done:
- o = CALL_FPTR(indirect_old_ck_method_named)(aTHX_ o);
+ o = indirect_old_ck_method_named(aTHX_ o);
 
  indirect_map_delete(o);
  return o;
@@ -716,22 +701,12 @@ done:
 
 /* ... ck_entersub ......................................................... */
 
-STATIC int indirect_is_indirect(const indirect_op_info_t *moi, const indirect_op_info_t *ooi) {
- if (moi->pos > ooi->pos)
-  return 0;
-
- if (moi->pos == ooi->pos)
-  return moi->len == ooi->len && !memcmp(moi->buf, ooi->buf, moi->len);
-
- return 1;
-}
-
 STATIC OP *(*indirect_old_ck_entersub)(pTHX_ OP *) = 0;
 
 STATIC OP *indirect_ck_entersub(pTHX_ OP *o) {
  SV *code = indirect_hint();
 
- o = CALL_FPTR(indirect_old_ck_entersub)(aTHX_ o);
+ o = indirect_old_ck_entersub(aTHX_ o);
 
  if (code) {
   const indirect_op_info_t *moi, *ooi;
@@ -775,7 +750,10 @@ STATIC OP *indirect_ck_entersub(pTHX_ OP *o) {
   if (!ooi)
    goto done;
 
-  if (indirect_is_indirect(moi, ooi)) {
+  /* When positions are identical, the method and the object must have the
+   * same name. But it also means that it is an indirect call, as "foo->foo"
+   * results in different positions. */
+  if (moi->pos <= ooi->pos) {
    SV *file;
    dSP;