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authorEd Smith-Rowland <3dw4rd@verizon.net>2011-11-04 16:16:09 +0000
committerJason Merrill <jason@gcc.gnu.org>2011-11-04 12:16:09 -0400
commit2fcc5e64740e48417e93d986bd58595296bec0c5 (patch)
tree57771229eb2fcfa0d5cd79ba055b358a7593cf85 /gcc
parentb6d185a56cbc3859f71b282287acc293026c9308 (diff)
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re PR c++/50941 ([C++0x] user-defined string literals provide incorrect length for wchar_t, char16_t, and char32_t)
PR c++/50941 * parser.c (cp_parser_userdef_string_literal): Fix string length. From-SVN: r180961
Diffstat (limited to 'gcc')
-rw-r--r--gcc/cp/ChangeLog5
-rw-r--r--gcc/cp/parser.c4
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/g++.dg/cpp0x/udlit-string-length.C46
4 files changed, 58 insertions, 2 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 6f9d3c9..01d2f91 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,8 @@
+2011-11-04 Ed Smith-Rowland <3dw4rd@verizon.net>
+
+ PR c++/50941
+ * parser.c (cp_parser_userdef_string_literal): Fix string length.
+
2011-11-04 Jason Merrill <jason@redhat.com>
PR c++/48370
diff --git a/gcc/cp/parser.c b/gcc/cp/parser.c
index e543e87..811b2fa 100644
--- a/gcc/cp/parser.c
+++ b/gcc/cp/parser.c
@@ -3681,8 +3681,8 @@ cp_parser_userdef_string_literal (cp_token *token)
suffix_id = USERDEF_LITERAL_SUFFIX_ID (literal);
name = cp_literal_operator_id (IDENTIFIER_POINTER (suffix_id));
value = USERDEF_LITERAL_VALUE (literal);
- len = TREE_STRING_LENGTH (value) - 1;
-
+ len = TREE_STRING_LENGTH (value)
+ / TREE_INT_CST_LOW (TYPE_SIZE_UNIT (TREE_TYPE (TREE_TYPE (value)))) - 1;
/* Build up a call to the user-defined operator */
/* Lookup the name we got back from the id-expression. */
vec = make_tree_vector ();
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 3fe3989..02f400e 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2011-11-04 Ed Smith-Rowland <3dw4rd@verizon.net>
+
+ PR c++/50941
+ * g++.dg/cpp0x/udlit-strint-length.C: New.
+
2011-11-04 Jason Merrill <jason@redhat.com>
PR c++/48370
diff --git a/gcc/testsuite/g++.dg/cpp0x/udlit-string-length.C b/gcc/testsuite/g++.dg/cpp0x/udlit-string-length.C
new file mode 100644
index 0000000..86903e8
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/udlit-string-length.C
@@ -0,0 +1,46 @@
+// { dg-options "-std=c++0x" }
+// PR c++/50941
+
+typedef decltype(sizeof(0)) size_type;
+
+constexpr size_type
+operator"" _len(const char*, size_type len)
+{
+ return len;
+}
+
+constexpr size_type
+operator"" _len(const wchar_t*, size_type len)
+{
+ return len;
+}
+
+constexpr size_type
+operator"" _len(const char16_t*, size_type len)
+{
+ return len;
+}
+
+constexpr size_type
+operator"" _len(const char32_t*, size_type len)
+{
+ return len;
+}
+
+static_assert( ""_len == 0, "Ouch");
+static_assert(u8""_len == 0, "Ouch");
+static_assert( L""_len == 0, "Ouch");
+static_assert( u""_len == 0, "Ouch");
+static_assert( U""_len == 0, "Ouch");
+
+static_assert( "1"_len == 1, "Ouch");
+static_assert(u8"1"_len == 1, "Ouch");
+static_assert( L"1"_len == 1, "Ouch");
+static_assert( u"1"_len == 1, "Ouch");
+static_assert( U"1"_len == 1, "Ouch");
+
+static_assert( "123"_len == 3, "Ouch");
+static_assert(u8"123"_len == 3, "Ouch");
+static_assert( L"123"_len == 3, "Ouch");
+static_assert( u"123"_len == 3, "Ouch");
+static_assert( U"123"_len == 3, "Ouch");