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authorRobin Houston <robin@cpan.org>2005-12-17 20:44:31 +0000
committerRafael Garcia-Suarez <rgarciasuarez@gmail.com>2005-12-19 16:26:15 +0000
commit0d863452f5cac86322a90184dc68dbf446006ed7 (patch)
treea6b225c0f732e2062a2c430a359c1c1db88fa36c /cop.h
parent4f5010f268a8de0d9ea78da367041150ef2777f4 (diff)
downloadperl-0d863452f5cac86322a90184dc68dbf446006ed7.tar.gz
latest switch/say/~~
Message-Id: <20051217204431.GB28940@rpc142.cs.man.ac.uk> p4raw-id: //depot/perl@26400
Diffstat (limited to 'cop.h')
-rw-r--r--cop.h22
1 files changed, 21 insertions, 1 deletions
diff --git a/cop.h b/cop.h
index eccb7958c0..2444a756fd 100644
--- a/cop.h
+++ b/cop.h
@@ -419,6 +419,16 @@ struct block_loop {
if (cx->blk_loop.iterary && cx->blk_loop.iterary != PL_curstack)\
SvREFCNT_dec(cx->blk_loop.iterary);
+/* given/when context */
+struct block_givwhen {
+ OP *leave_op;
+};
+
+#define PUSHGIVEN(cx) \
+ cx->blk_givwhen.leave_op = cLOGOP->op_other;
+
+#define PUSHWHEN PUSHGIVEN
+
/* context common to subroutines, evals and loops */
struct block {
I32 blku_oldsp; /* stack pointer to copy stuff down to */
@@ -432,6 +442,7 @@ struct block {
struct block_sub blku_sub;
struct block_eval blku_eval;
struct block_loop blku_loop;
+ struct block_givwhen blku_givwhen;
} blk_u;
};
#define blk_oldsp cx_u.cx_blk.blku_oldsp
@@ -443,6 +454,7 @@ struct block {
#define blk_sub cx_u.cx_blk.blk_u.blku_sub
#define blk_eval cx_u.cx_blk.blk_u.blku_eval
#define blk_loop cx_u.cx_blk.blk_u.blku_loop
+#define blk_givwhen cx_u.cx_blk.blk_u.blku_givwhen
/* Enter a block. */
#define PUSHBLOCK(cx,t,sp) CXINC, cx = &cxstack[cxstack_ix], \
@@ -545,6 +557,8 @@ struct context {
#define CXt_SUBST 4
#define CXt_BLOCK 5
#define CXt_FORMAT 6
+#define CXt_GIVEN 7
+#define CXt_WHEN 8
/* private flags for CXt_SUB and CXt_NULL */
#define CXp_MULTICALL 0x00000400 /* part of a multicall (so don't
@@ -554,8 +568,10 @@ struct context {
#define CXp_REAL 0x00000100 /* truly eval'', not a lookalike */
#define CXp_TRYBLOCK 0x00000200 /* eval{}, not eval'' or similar */
-#ifdef USE_ITHREADS
/* private flags for CXt_LOOP */
+#define CXp_FOREACH 0x00000200 /* a foreach loop */
+#define CXp_FOR_DEF 0x00000400 /* foreach using $_ */
+#ifdef USE_ITHREADS
# define CXp_PADVAR 0x00000100 /* itervar lives on pad, iterdata
has pad offset; if not set,
iterdata holds GV* */
@@ -570,6 +586,10 @@ struct context {
== (CXt_EVAL|CXp_REAL))
#define CxTRYBLOCK(c) (((c)->cx_type & (CXt_EVAL|CXp_TRYBLOCK)) \
== (CXt_EVAL|CXp_TRYBLOCK))
+#define CxFOREACH(c) (((c)->cx_type & (CXt_LOOP|CXp_FOREACH)) \
+ == (CXt_LOOP|CXp_FOREACH))
+#define CxFOREACHDEF(c) (((c)->cx_type & (CXt_LOOP|CXp_FOREACH|CXp_FOR_DEF))\
+ == (CXt_LOOP|CXp_FOREACH|CXp_FOR_DEF))
#define CXINC (cxstack_ix < cxstack_max ? ++cxstack_ix : (cxstack_ix = cxinc()))