Only enable the pragma during compile time

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

diff --git a/indirect.xs b/indirect.xs
index 9347467ea034cad3ae3aa75631cd5a2982ae74e9..45309ce648a1cf43b3b0cccd4a31b076d864a616 100644 (file)
--- a/indirect.xs
+++ b/indirect.xs
@@ -164,6 +164,7 @@ typedef struct {
  const char *pos;
  char       *buf;
  STRLEN      len, size;
+ line_t      line;
 } indirect_op_info_t;
 
 #define PTABLE_NAME        ptable
@@ -350,6 +351,10 @@ STATIC U32 indirect_hash = 0;
 STATIC SV *indirect_hint(pTHX) {
 #define indirect_hint() indirect_hint(aTHX)
  SV *hint;
+
+ 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,
@@ -357,19 +362,21 @@ STATIC SV *indirect_hint(pTHX) {
                                        0,
                                        indirect_hash);
 #else
- SV **val = hv_fetch(GvHV(PL_hintgv), __PACKAGE__, __PACKAGE_LEN__,
+ {
+  SV **val = hv_fetch(GvHV(PL_hintgv), __PACKAGE__, __PACKAGE_LEN__,
                                                                  indirect_hash);
- if (!val)
-  return 0;
- hint = *val;
+  if (!val)
+   return 0;
+  hint = *val;
+ }
 #endif
  return indirect_detag(hint);
 }
 
 /* ... op -> source position ............................................... */
 
-STATIC void indirect_map_store(pTHX_ const OP *o, const char *src, SV *sv) {
-#define indirect_map_store(O, S, N) indirect_map_store(aTHX_ (O), (S), (N))
+STATIC void indirect_map_store(pTHX_ const OP *o, const char *src, SV *sv, line_t line) {
+#define indirect_map_store(O, S, N, L) indirect_map_store(aTHX_ (O), (S), (N), (L))
  indirect_op_info_t *oi;
  const char *s;
  STRLEN len;
@@ -401,8 +408,9 @@ STATIC void indirect_map_store(pTHX_ const OP *o, const char *src, SV *sv) {
   oi->size = len;
  }
  Copy(s, oi->buf, len, char);
- oi->len = len;
- oi->pos = src;
+ oi->len  = len;
+ oi->pos  = src;
+ oi->line = line;
 }
 
 STATIC const indirect_op_info_t *indirect_map_fetch(pTHX_ const OP *o) {
@@ -459,7 +467,8 @@ STATIC OP *indirect_ck_const(pTHX_ OP *o) {
  if (indirect_hint()) {
   SV *sv = cSVOPo_sv;
   if (SvPOK(sv) && (SvTYPE(sv) >= SVt_PV)) {
-   indirect_map_store(o, indirect_find(sv, PL_oldbufptr), sv);
+   const char *s = indirect_find(sv, PL_oldbufptr);
+   indirect_map_store(o, s, sv, CopLINE(&PL_compiling));
    return o;
   }
  }
@@ -524,7 +533,7 @@ STATIC OP *indirect_ck_rv2sv(pTHX_ OP *o) {
   }
 
   o = CALL_FPTR(indirect_old_ck_rv2sv)(aTHX_ o);
-  indirect_map_store(o, s, sv);
+  indirect_map_store(o, s, sv, CopLINE(&PL_compiling));
   return o;
  }
 
@@ -552,7 +561,7 @@ STATIC OP *indirect_ck_padany(pTHX_ OP *o) {
    while (s < t && isSPACE(*t)) --t;
    sv = sv_2mortal(newSVpvn("$", 1));
    sv_catpvn_nomg(sv, s, t - s + 1);
-   indirect_map_store(o, s, sv);
+   indirect_map_store(o, s, sv, CopLINE(&PL_compiling));
    return o;
   }
  }
@@ -570,22 +579,25 @@ STATIC OP *indirect_ck_method(pTHX_ OP *o) {
   OP *op = cUNOPo->op_first;
   const indirect_op_info_t *oi = indirect_map_fetch(op);
   const char *s = NULL;
+  line_t line;
   SV *sv;
 
   if (oi && (s = oi->pos)) {
-   sv = sv_2mortal(newSVpvn(oi->buf, oi->len));
+   sv   = sv_2mortal(newSVpvn(oi->buf, oi->len));
+   line = oi->line; /* Keep the old line so that we really point to the first */
   } else {
    sv = cSVOPx_sv(op);
    if (!SvPOK(sv) || (SvTYPE(sv) < SVt_PV))
     goto done;
-   sv = sv_mortalcopy(sv);
-   s  = indirect_find(sv, PL_oldbufptr);
+   sv   = sv_mortalcopy(sv);
+   s    = indirect_find(sv, PL_oldbufptr);
+   line = CopLINE(&PL_compiling);
   }
 
   o = CALL_FPTR(indirect_old_ck_method)(aTHX_ o);
   /* o may now be a method_named */
 
-  indirect_map_store(o, s, sv);
+  indirect_map_store(o, s, sv, line);
   return o;
  }
 
@@ -598,6 +610,16 @@ 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) {
@@ -645,9 +667,8 @@ STATIC OP *indirect_ck_entersub(pTHX_ OP *o) {
   if (!(ooi && ooi->pos))
    goto done;
 
-  if (moi->pos < ooi->pos) {
-   SV     *file;
-   line_t  line;
+  if (indirect_is_indirect(moi, ooi)) {
+   SV *file;
    dSP;
 
    ENTER;
@@ -658,14 +679,13 @@ STATIC OP *indirect_ck_entersub(pTHX_ OP *o) {
 #else
    file = sv_mortalcopy(CopFILESV(&PL_compiling));
 #endif
-   line = CopLINE(&PL_compiling);
 
    PUSHMARK(SP);
    EXTEND(SP, 4);
    mPUSHp(ooi->buf, ooi->len);
    mPUSHp(moi->buf, moi->len);
    PUSHs(file);
-   mPUSHu(line);
+   mPUSHu(moi->line);
    PUTBACK;
 
    call_sv(code, G_VOID);