This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
t/run/locale.t: Remove obsolete comments
[perl5.git] / cop.h
diff --git a/cop.h b/cop.h
index 0741d92..ec3e32f 100644 (file)
--- a/cop.h
+++ b/cop.h
 
 struct jmpenv {
     struct jmpenv *    je_prev;
-    Sigjmp_buf         je_buf;         /* only for use if !je_throw */
+    Sigjmp_buf         je_buf;         /* uninit if je_prev is NULL */
     int                        je_ret;         /* last exception thrown */
     bool               je_mustcatch;   /* need to call longjmp()? */
 };
 
 typedef struct jmpenv JMPENV;
 
-#ifdef OP_IN_REGISTER
-#define OP_REG_TO_MEM  PL_opsave = op
-#define OP_MEM_TO_REG  op = PL_opsave
-#else
-#define OP_REG_TO_MEM  NOOP
-#define OP_MEM_TO_REG  NOOP
-#endif
-
 /*
  * How to build the first jmpenv.
  *
@@ -58,10 +50,11 @@ typedef struct jmpenv JMPENV;
 
 #define JMPENV_BOOTSTRAP \
     STMT_START {                               \
-       Zero(&PL_start_env, 1, JMPENV);         \
+       PERL_POISON_EXPR(PoisonNew(&PL_start_env, 1, JMPENV));\
+       PL_top_env = &PL_start_env;             \
+       PL_start_env.je_prev = NULL;            \
        PL_start_env.je_ret = -1;               \
        PL_start_env.je_mustcatch = TRUE;       \
-       PL_top_env = &PL_start_env;             \
     } STMT_END
 
 /*
@@ -107,9 +100,7 @@ typedef struct jmpenv JMPENV;
            Perl_deb(aTHX_ "JUMPENV_PUSH level=%d at %s:%d\n",          \
                         i,  __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);              \
-       OP_MEM_TO_REG;                                                  \
        PL_top_env = &cur_env;                                          \
        cur_env.je_mustcatch = FALSE;                                   \
        (v) = cur_env.je_ret;                                           \
@@ -133,7 +124,6 @@ typedef struct jmpenv JMPENV;
            while (p) { i++; p = p->je_prev; }                  \
            Perl_deb(aTHX_ "JUMPENV_JUMP(%d) level=%d at %s:%d\n", \
                         (int)v, i, __FILE__, __LINE__);})      \
-       OP_REG_TO_MEM;                                          \
        if (PL_top_env->je_prev)                                \
            PerlProc_longjmp(PL_top_env->je_buf, (v));          \
        if ((v) == 2)                                           \
@@ -410,7 +400,7 @@ struct cop {
                                 
 #  ifdef NETWARE
 #    define CopFILE_set(c,pv)  ((c)->cop_file = savepv(pv))
-#    define CopFILE_setn(c,pv,l)  ((c)->cop_file = savepv((pv),(l)))
+#    define CopFILE_setn(c,pv,l)  ((c)->cop_file = savepvn((pv),(l)))
 #  else
 #    define CopFILE_set(c,pv)  ((c)->cop_file = savesharedpv(pv))
 #    define CopFILE_setn(c,pv,l)  ((c)->cop_file = savesharedpvn((pv),(l)))
@@ -771,7 +761,9 @@ struct block_loop {
        ((c)->blk_loop.itervar_u.oldcomppad                             \
         ? (CxPADLOOP(c)                                                \
            ? CxITERVAR_PADSV(c)                                        \
-           : &GvSV((c)->blk_loop.itervar_u.gv))                        \
+           : isGV((c)->blk_loop.itervar_u.gv)                          \
+               ? &GvSV((c)->blk_loop.itervar_u.gv)                     \
+               : (SV **)&(c)->blk_loop.itervar_u.gv)                   \
         : (SV**)NULL)
 
 #define CxLABEL(c)     (0 + CopLABEL((c)->blk_oldcop))
@@ -890,9 +882,9 @@ struct subst {
     U8         sbu_type;       /* what kind of context this is */
     U8         sbu_rflags;
     U16                sbu_rxtainted;  /* matches struct block */
-    I32                sbu_iters;
-    I32                sbu_maxiters;
     I32                sbu_oldsave;
+    SSize_t    sbu_iters;
+    SSize_t    sbu_maxiters;
     char *     sbu_orig;
     SV *       sbu_dstr;
     SV *       sbu_targ;
@@ -990,6 +982,7 @@ struct context {
 
 /* private flags for CXt_LOOP */
 #define CXp_FOR_DEF    0x10    /* foreach using $_ */
+#define CXp_FOR_LVREF  0x20    /* foreach using \$var */
 #define CxPADLOOP(c)   ((c)->blk_loop.my_op->op_targ)
 
 /* private flags for CXt_SUBST */
@@ -1173,14 +1166,14 @@ typedef struct stackinfo PERL_SI;
 =head1 Multicall Functions
 
 =for apidoc Ams||dMULTICALL
-Declare local variables for a multicall. See L<perlcall/LIGHTWEIGHT CALLBACKS>.
+Declare local variables for a multicall.  See L<perlcall/LIGHTWEIGHT CALLBACKS>.
 
 =for apidoc Ams||PUSH_MULTICALL
 Opening bracket for a lightweight callback.
 See L<perlcall/LIGHTWEIGHT CALLBACKS>.
 
 =for apidoc Ams||MULTICALL
-Make a lightweight callback. See L<perlcall/LIGHTWEIGHT CALLBACKS>.
+Make a lightweight callback.  See L<perlcall/LIGHTWEIGHT CALLBACKS>.
 
 =for apidoc Ams||POP_MULTICALL
 Closing bracket for a lightweight callback.