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authorZefram <zefram@fysh.org>2010-10-14 17:02:36 +0100
committerFather Chrysostomos <sprout@cpan.org>2010-10-21 05:53:50 -0700
commit9eb5c532bf567fdd066254fcaacf4a66722714c5 (patch)
tree518311ad05d028dab7c1ef9be5bddfb43083e951 /ext/XS-APItest/APItest.xs
parent1e2159890b8bf881fbc717f671f87ba2dec1da46 (diff)
downloadperl-9eb5c532bf567fdd066254fcaacf4a66722714c5.tar.gz
fix and test PL_expect in recdescent parsing
Set PL_expect at the start of parse_fullstmt() as well as at the start of parse_stmtseq(). Test both.
Diffstat (limited to 'ext/XS-APItest/APItest.xs')
-rw-r--r--ext/XS-APItest/APItest.xs38
1 files changed, 38 insertions, 0 deletions
diff --git a/ext/XS-APItest/APItest.xs b/ext/XS-APItest/APItest.xs
index f93f20a539..4aad258b95 100644
--- a/ext/XS-APItest/APItest.xs
+++ b/ext/XS-APItest/APItest.xs
@@ -519,6 +519,7 @@ test_op_linklist_describe(OP *start)
static SV *hintkey_rpn_sv, *hintkey_calcrpn_sv, *hintkey_stufftest_sv;
static SV *hintkey_swaptwostmts_sv, *hintkey_looprest_sv;
static SV *hintkey_scopelessblock_sv;
+static SV *hintkey_stmtasexpr_sv, *hintkey_stmtsasexpr_sv;
static int (*next_keyword_plugin)(pTHX_ char *, STRLEN, OP **);
/* low-level parser helpers */
@@ -715,6 +716,33 @@ static OP *THX_parse_keyword_scopelessblock(pTHX)
return body;
}
+#define parse_keyword_stmtasexpr() THX_parse_keyword_stmtasexpr(aTHX)
+static OP *THX_parse_keyword_stmtasexpr(pTHX)
+{
+ OP *o = parse_fullstmt(0);
+ o = op_prepend_elem(OP_LINESEQ, newOP(OP_ENTER, 0), o);
+ o->op_type = OP_LEAVE;
+ o->op_ppaddr = PL_ppaddr[OP_LEAVE];
+ return o;
+}
+
+#define parse_keyword_stmtsasexpr() THX_parse_keyword_stmtsasexpr(aTHX)
+static OP *THX_parse_keyword_stmtsasexpr(pTHX)
+{
+ OP *o;
+ lex_read_space(0);
+ if(lex_peek_unichar(0) != '{'/*}*/) croak("syntax error");
+ lex_read_unichar(0);
+ o = parse_stmtseq(0);
+ lex_read_space(0);
+ if(lex_peek_unichar(0) != /*{*/'}') croak("syntax error");
+ lex_read_unichar(0);
+ o = op_prepend_elem(OP_LINESEQ, newOP(OP_ENTER, 0), o);
+ o->op_type = OP_LEAVE;
+ o->op_ppaddr = PL_ppaddr[OP_LEAVE];
+ return o;
+}
+
/* plugin glue */
#define keyword_active(hintkey_sv) THX_keyword_active(aTHX_ hintkey_sv)
@@ -755,6 +783,14 @@ static int my_keyword_plugin(pTHX_
keyword_active(hintkey_scopelessblock_sv)) {
*op_ptr = parse_keyword_scopelessblock();
return KEYWORD_PLUGIN_STMT;
+ } else if(keyword_len == 10 && strnEQ(keyword_ptr, "stmtasexpr", 10) &&
+ keyword_active(hintkey_stmtasexpr_sv)) {
+ *op_ptr = parse_keyword_stmtasexpr();
+ return KEYWORD_PLUGIN_EXPR;
+ } else if(keyword_len == 11 && strnEQ(keyword_ptr, "stmtsasexpr", 11) &&
+ keyword_active(hintkey_stmtsasexpr_sv)) {
+ *op_ptr = parse_keyword_stmtsasexpr();
+ return KEYWORD_PLUGIN_EXPR;
} else {
return next_keyword_plugin(aTHX_ keyword_ptr, keyword_len, op_ptr);
}
@@ -2163,6 +2199,8 @@ BOOT:
hintkey_swaptwostmts_sv = newSVpvs_share("XS::APItest/swaptwostmts");
hintkey_looprest_sv = newSVpvs_share("XS::APItest/looprest");
hintkey_scopelessblock_sv = newSVpvs_share("XS::APItest/scopelessblock");
+ hintkey_stmtasexpr_sv = newSVpvs_share("XS::APItest/stmtasexpr");
+ hintkey_stmtsasexpr_sv = newSVpvs_share("XS::APItest/stmtsasexpr");
next_keyword_plugin = PL_keyword_plugin;
PL_keyword_plugin = my_keyword_plugin;
}