Update perldelta to better warn users about the changes from the first-classification...

[perl5.git] / cop.h

diff --git a/cop.h b/cop.h
index fc19494..13ce794 100644 (file)
--- a/cop.h
+++ b/cop.h
@@ -1,13 +1,13 @@
 /*    cop.h
  *
  *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- *    2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 by Larry Wall and others
+ *    2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
  *
- * Control ops (cops) are one of the three ops OP_NEXTSTATE, OP_DBSTATE,
- * and OP_SETSTATE that (loosely speaking) are separate statements.
+ * Control ops (cops) are one of the two ops OP_NEXTSTATE and OP_DBSTATE,
+ * that (loosely speaking) are separate statements.
  * They hold information important for lexical state and error reporting.
  * At run time, PL_curcop is set to point to the most recently executed cop,
  * and thus can be used to determine our current state.
@@ -99,8 +99,9 @@ typedef struct jmpenv JMPENV;
 
 #define JMPENV_PUSH(v) \
     STMT_START {                                                       \
-       DEBUG_l(Perl_deb(aTHX_ "Setting up jumplevel %p, was %p\n",     \
-                        (void*)&cur_env, (void*)PL_top_env));                  \
+       DEBUG_l(Perl_deb(aTHX_ "Setting up jumplevel %p, was %p at %s:%d\n",    \
+                        (void*)&cur_env, (void*)PL_top_env,                    \
+                        __FILE__, __LINE__));                                  \
        cur_env.je_prev = PL_top_env;                                   \
        OP_REG_TO_MEM;                                                  \
        cur_env.je_ret = PerlProc_setjmp(cur_env.je_buf, SCOPE_SAVES_SIGNAL_MASK);              \
@@ -112,8 +113,10 @@ typedef struct jmpenv JMPENV;
 
 #define JMPENV_POP \
     STMT_START {                                                       \
-       DEBUG_l(Perl_deb(aTHX_ "popping jumplevel was %p, now %p\n",    \
-                        (void*)PL_top_env, (void*)cur_env.je_prev));                   \
+       DEBUG_l(Perl_deb(aTHX_ "popping jumplevel was %p, now %p at %s:%d\n",   \
+                        (void*)PL_top_env, (void*)cur_env.je_prev,             \
+                        __FILE__, __LINE__));                                  \
+       assert(PL_top_env == &cur_env);                                 \
        PL_top_env = cur_env.je_prev;                                   \
     } STMT_END
 
@@ -246,12 +249,17 @@ struct cop {
 #define CopARYBASE_set(c, b) STMT_START { \
        if (b || ((c)->cop_hints & HINT_ARYBASE)) {                     \
            (c)->cop_hints |= HINT_ARYBASE;                             \
-           if ((c) == &PL_compiling)                                   \
-               PL_hints |= HINT_LOCALIZE_HH | HINT_ARYBASE;            \
-           (c)->cop_hints_hash                                         \
-              = Perl_refcounted_he_new(aTHX_ (c)->cop_hints_hash,      \
+           if ((c) == &PL_compiling) {                                 \
+               SV *val = newSViv(b);                                   \
+               (void)hv_stores(GvHV(PL_hintgv), "$[", val);            \
+               mg_set(val);                                            \
+               PL_hints |= HINT_ARYBASE;                               \
+           } else {                                                    \
+               (c)->cop_hints_hash                                     \
+                  = Perl_refcounted_he_new(aTHX_ (c)->cop_hints_hash,  \
                                        newSVpvs_flags("$[", SVs_TEMP), \
                                        sv_2mortal(newSViv(b)));        \
+           }                                                           \
        }                                                               \
     } STMT_END