* [PATCH v1] cxx: Make __func__, __FUNCTION__, and __PRETTY_FUNCTION__ constexpr.
@ 2017-06-28 12:53 Snaipe
2017-06-28 12:57 ` Franklin Mathieu
0 siblings, 1 reply; 6+ messages in thread
From: Snaipe @ 2017-06-28 12:53 UTC (permalink / raw)
To: snaipe, gcc-patches; +Cc: Snaipe
From: Snaipe <snaipe@diacritic.io>
This patch makes the forementioned definitions `contexpr` when
compiling C++11 and above with GNU extensions.
gcc/cp/ChangeLog:
2017-06-27 Franklin “Snaipe†Mathieu <snaipe@diacritic.io>
PR c++/66639
* decl.c (cp_make_fname_decl): Make declaration constexpr.
gcc/testsuite/ChangeLog:
2017-06-27 Franklin “Snaipe†Mathieu <snaipe@diacritic.io>
PR c++/66639
* g++.dg/pr66639.c: New test.
---
gcc/cp/decl.c | 5 +++++
gcc/testsuite/g++.dg/pr66639.C | 19 +++++++++++++++++++
2 files changed, 24 insertions(+)
create mode 100644 gcc/testsuite/g++.dg/pr66639.C
diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
index 8e9a466..740ab71 100644
--- a/gcc/cp/decl.c
+++ b/gcc/cp/decl.c
@@ -4384,6 +4384,11 @@ cp_make_fname_decl (location_t loc, tree id, int type_dep)
TREE_READONLY (decl) = 1;
DECL_ARTIFICIAL (decl) = 1;
+ /* extension: declare __func__, __FUNCTION__, and __PRETTY_FUNCTION__ as
+ constexpr. */
+ if (!flag_iso && cxx_dialect >= cxx11)
+ DECL_DECLARED_CONSTEXPR_P (decl) = 1;
+
TREE_USED (decl) = 1;
if (current_function_decl)
diff --git a/gcc/testsuite/g++.dg/pr66639.C b/gcc/testsuite/g++.dg/pr66639.C
new file mode 100644
index 0000000..51a92f9
--- /dev/null
+++ b/gcc/testsuite/g++.dg/pr66639.C
@@ -0,0 +1,19 @@
+// PR c++/66639
+// { dg-do compile { target c++11 } }
+// { dg-options "" }
+
+constexpr bool
+streq(char const *lhs, char const *rhs)
+{
+ return *lhs && *rhs
+ ? *lhs == *rhs && streq(lhs + 1, rhs + 1)
+ : !*lhs && !*rhs;
+}
+
+int
+main()
+{
+ static_assert (streq(__func__, "main"), "");
+ static_assert (streq(__FUNCTION__, "main"), "");
+ static_assert (streq(__PRETTY_FUNCTION__, "int main()"), "");
+}
--
Franklin "Snaipe" Mathieu
Arista Networks, Ltd
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH v1] cxx: Make __func__, __FUNCTION__, and __PRETTY_FUNCTION__ constexpr.
2017-06-28 12:53 [PATCH v1] cxx: Make __func__, __FUNCTION__, and __PRETTY_FUNCTION__ constexpr Snaipe
@ 2017-06-28 12:57 ` Franklin Mathieu
0 siblings, 0 replies; 6+ messages in thread
From: Franklin Mathieu @ 2017-06-28 12:57 UTC (permalink / raw)
To: gcc-patches
Sorry about that (--dry-run fail), please ignore.
On Wed, Jun 28, 2017 at 1:53 PM, Snaipe <snaipe@arista.com> wrote:
> From: Snaipe <snaipe@diacritic.io>
>
> This patch makes the forementioned definitions `contexpr` when
> compiling C++11 and above with GNU extensions.
>
> gcc/cp/ChangeLog:
> 2017-06-27 Franklin “Snaipe” Mathieu <snaipe@diacritic.io>
>
> PR c++/66639
> * decl.c (cp_make_fname_decl): Make declaration constexpr.
>
> gcc/testsuite/ChangeLog:
> 2017-06-27 Franklin “Snaipe” Mathieu <snaipe@diacritic.io>
>
> PR c++/66639
> * g++.dg/pr66639.c: New test.
> ---
> gcc/cp/decl.c | 5 +++++
> gcc/testsuite/g++.dg/pr66639.C | 19 +++++++++++++++++++
> 2 files changed, 24 insertions(+)
> create mode 100644 gcc/testsuite/g++.dg/pr66639.C
>
> diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
> index 8e9a466..740ab71 100644
> --- a/gcc/cp/decl.c
> +++ b/gcc/cp/decl.c
> @@ -4384,6 +4384,11 @@ cp_make_fname_decl (location_t loc, tree id, int type_dep)
> TREE_READONLY (decl) = 1;
> DECL_ARTIFICIAL (decl) = 1;
>
> + /* extension: declare __func__, __FUNCTION__, and __PRETTY_FUNCTION__ as
> + constexpr. */
> + if (!flag_iso && cxx_dialect >= cxx11)
> + DECL_DECLARED_CONSTEXPR_P (decl) = 1;
> +
> TREE_USED (decl) = 1;
>
> if (current_function_decl)
> diff --git a/gcc/testsuite/g++.dg/pr66639.C b/gcc/testsuite/g++.dg/pr66639.C
> new file mode 100644
> index 0000000..51a92f9
> --- /dev/null
> +++ b/gcc/testsuite/g++.dg/pr66639.C
> @@ -0,0 +1,19 @@
> +// PR c++/66639
> +// { dg-do compile { target c++11 } }
> +// { dg-options "" }
> +
> +constexpr bool
> +streq(char const *lhs, char const *rhs)
> +{
> + return *lhs && *rhs
> + ? *lhs == *rhs && streq(lhs + 1, rhs + 1)
> + : !*lhs && !*rhs;
> +}
> +
> +int
> +main()
> +{
> + static_assert (streq(__func__, "main"), "");
> + static_assert (streq(__FUNCTION__, "main"), "");
> + static_assert (streq(__PRETTY_FUNCTION__, "int main()"), "");
> +}
> --
> Franklin "Snaipe" Mathieu
> Arista Networks, Ltd
>
--
Franklin "Snaipe" Mathieu
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH v1] cxx: Make __func__, __FUNCTION__, and __PRETTY_FUNCTION__ constexpr.
2017-06-28 12:49 Franklin “Snaipe” Mathieu
@ 2017-06-28 13:06 ` Franklin Mathieu
0 siblings, 0 replies; 6+ messages in thread
From: Franklin Mathieu @ 2017-06-28 13:06 UTC (permalink / raw)
To: Franklin Mathieu, gcc-patches
Sorry about the two other failed attempts. I got confused about the
output of send-email and ended up sending two follow-up bogus emails.
This is the right email chain.
On Wed, Jun 28, 2017 at 1:49 PM, Franklin “Snaipe” Mathieu
<snaipe@arista.com> wrote:
> From: Franklin “Snaipe” Mathieu <snaipe@diacritic.io>
>
> This patch makes the forementioned definitions `contexpr` when
> compiling C++11 and above with GNU extensions.
>
> gcc/cp/ChangeLog:
> 2017-06-27 Franklin “Snaipe” Mathieu <snaipe@diacritic.io>
>
> PR c++/66639
> * decl.c (cp_make_fname_decl): Make declaration constexpr.
>
> gcc/testsuite/ChangeLog:
> 2017-06-27 Franklin “Snaipe” Mathieu <snaipe@diacritic.io>
>
> PR c++/66639
> * g++.dg/pr66639.c: New test.
> ---
> gcc/cp/decl.c | 5 +++++
> gcc/testsuite/g++.dg/pr66639.C | 19 +++++++++++++++++++
> 2 files changed, 24 insertions(+)
> create mode 100644 gcc/testsuite/g++.dg/pr66639.C
>
> diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
> index 8e9a466..740ab71 100644
> --- a/gcc/cp/decl.c
> +++ b/gcc/cp/decl.c
> @@ -4384,6 +4384,11 @@ cp_make_fname_decl (location_t loc, tree id, int type_dep)
> TREE_READONLY (decl) = 1;
> DECL_ARTIFICIAL (decl) = 1;
>
> + /* extension: declare __func__, __FUNCTION__, and __PRETTY_FUNCTION__ as
> + constexpr. */
> + if (!flag_iso && cxx_dialect >= cxx11)
> + DECL_DECLARED_CONSTEXPR_P (decl) = 1;
> +
> TREE_USED (decl) = 1;
>
> if (current_function_decl)
> diff --git a/gcc/testsuite/g++.dg/pr66639.C b/gcc/testsuite/g++.dg/pr66639.C
> new file mode 100644
> index 0000000..51a92f9
> --- /dev/null
> +++ b/gcc/testsuite/g++.dg/pr66639.C
> @@ -0,0 +1,19 @@
> +// PR c++/66639
> +// { dg-do compile { target c++11 } }
> +// { dg-options "" }
> +
> +constexpr bool
> +streq(char const *lhs, char const *rhs)
> +{
> + return *lhs && *rhs
> + ? *lhs == *rhs && streq(lhs + 1, rhs + 1)
> + : !*lhs && !*rhs;
> +}
> +
> +int
> +main()
> +{
> + static_assert (streq(__func__, "main"), "");
> + static_assert (streq(__FUNCTION__, "main"), "");
> + static_assert (streq(__PRETTY_FUNCTION__, "int main()"), "");
> +}
> --
> Franklin "Snaipe" Mathieu
> Arista Networks, Ltd
>
--
Franklin "Snaipe" Mathieu
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH v1] cxx: Make __func__, __FUNCTION__, and __PRETTY_FUNCTION__ constexpr.
2017-06-28 12:52 Franklin Snaipe Mathieu
@ 2017-06-28 12:56 ` Franklin Mathieu
0 siblings, 0 replies; 6+ messages in thread
From: Franklin Mathieu @ 2017-06-28 12:56 UTC (permalink / raw)
To: gcc-patches
Sorry about that, please ignore.
On Wed, Jun 28, 2017 at 1:52 PM, Franklin Snaipe Mathieu
<snaipe@arista.com> wrote:
> From: "Franklin \"Snaipe\" Mathieu" <snaipe@diacritic.io>
>
> This patch makes the forementioned definitions `contexpr` when
> compiling C++11 and above with GNU extensions.
>
> gcc/cp/ChangeLog:
> 2017-06-27 Franklin “Snaipe” Mathieu <snaipe@diacritic.io>
>
> PR c++/66639
> * decl.c (cp_make_fname_decl): Make declaration constexpr.
>
> gcc/testsuite/ChangeLog:
> 2017-06-27 Franklin “Snaipe” Mathieu <snaipe@diacritic.io>
>
> PR c++/66639
> * g++.dg/pr66639.c: New test.
> ---
> gcc/cp/decl.c | 5 +++++
> gcc/testsuite/g++.dg/pr66639.C | 19 +++++++++++++++++++
> 2 files changed, 24 insertions(+)
> create mode 100644 gcc/testsuite/g++.dg/pr66639.C
>
> diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
> index 8e9a466..740ab71 100644
> --- a/gcc/cp/decl.c
> +++ b/gcc/cp/decl.c
> @@ -4384,6 +4384,11 @@ cp_make_fname_decl (location_t loc, tree id, int type_dep)
> TREE_READONLY (decl) = 1;
> DECL_ARTIFICIAL (decl) = 1;
>
> + /* extension: declare __func__, __FUNCTION__, and __PRETTY_FUNCTION__ as
> + constexpr. */
> + if (!flag_iso && cxx_dialect >= cxx11)
> + DECL_DECLARED_CONSTEXPR_P (decl) = 1;
> +
> TREE_USED (decl) = 1;
>
> if (current_function_decl)
> diff --git a/gcc/testsuite/g++.dg/pr66639.C b/gcc/testsuite/g++.dg/pr66639.C
> new file mode 100644
> index 0000000..51a92f9
> --- /dev/null
> +++ b/gcc/testsuite/g++.dg/pr66639.C
> @@ -0,0 +1,19 @@
> +// PR c++/66639
> +// { dg-do compile { target c++11 } }
> +// { dg-options "" }
> +
> +constexpr bool
> +streq(char const *lhs, char const *rhs)
> +{
> + return *lhs && *rhs
> + ? *lhs == *rhs && streq(lhs + 1, rhs + 1)
> + : !*lhs && !*rhs;
> +}
> +
> +int
> +main()
> +{
> + static_assert (streq(__func__, "main"), "");
> + static_assert (streq(__FUNCTION__, "main"), "");
> + static_assert (streq(__PRETTY_FUNCTION__, "int main()"), "");
> +}
> --
> Franklin "Snaipe" Mathieu
> Arista Networks, Ltd
>
--
Franklin "Snaipe" Mathieu
^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH v1] cxx: Make __func__, __FUNCTION__, and __PRETTY_FUNCTION__ constexpr.
@ 2017-06-28 12:52 Franklin Snaipe Mathieu
2017-06-28 12:56 ` Franklin Mathieu
0 siblings, 1 reply; 6+ messages in thread
From: Franklin Snaipe Mathieu @ 2017-06-28 12:52 UTC (permalink / raw)
To: snaipe, gcc-patches; +Cc: Franklin "Snaipe" Mathieu
From: "Franklin \"Snaipe\" Mathieu" <snaipe@diacritic.io>
This patch makes the forementioned definitions `contexpr` when
compiling C++11 and above with GNU extensions.
gcc/cp/ChangeLog:
2017-06-27 Franklin “Snaipe†Mathieu <snaipe@diacritic.io>
PR c++/66639
* decl.c (cp_make_fname_decl): Make declaration constexpr.
gcc/testsuite/ChangeLog:
2017-06-27 Franklin “Snaipe†Mathieu <snaipe@diacritic.io>
PR c++/66639
* g++.dg/pr66639.c: New test.
---
gcc/cp/decl.c | 5 +++++
gcc/testsuite/g++.dg/pr66639.C | 19 +++++++++++++++++++
2 files changed, 24 insertions(+)
create mode 100644 gcc/testsuite/g++.dg/pr66639.C
diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
index 8e9a466..740ab71 100644
--- a/gcc/cp/decl.c
+++ b/gcc/cp/decl.c
@@ -4384,6 +4384,11 @@ cp_make_fname_decl (location_t loc, tree id, int type_dep)
TREE_READONLY (decl) = 1;
DECL_ARTIFICIAL (decl) = 1;
+ /* extension: declare __func__, __FUNCTION__, and __PRETTY_FUNCTION__ as
+ constexpr. */
+ if (!flag_iso && cxx_dialect >= cxx11)
+ DECL_DECLARED_CONSTEXPR_P (decl) = 1;
+
TREE_USED (decl) = 1;
if (current_function_decl)
diff --git a/gcc/testsuite/g++.dg/pr66639.C b/gcc/testsuite/g++.dg/pr66639.C
new file mode 100644
index 0000000..51a92f9
--- /dev/null
+++ b/gcc/testsuite/g++.dg/pr66639.C
@@ -0,0 +1,19 @@
+// PR c++/66639
+// { dg-do compile { target c++11 } }
+// { dg-options "" }
+
+constexpr bool
+streq(char const *lhs, char const *rhs)
+{
+ return *lhs && *rhs
+ ? *lhs == *rhs && streq(lhs + 1, rhs + 1)
+ : !*lhs && !*rhs;
+}
+
+int
+main()
+{
+ static_assert (streq(__func__, "main"), "");
+ static_assert (streq(__FUNCTION__, "main"), "");
+ static_assert (streq(__PRETTY_FUNCTION__, "int main()"), "");
+}
--
Franklin "Snaipe" Mathieu
Arista Networks, Ltd
^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH v1] cxx: Make __func__, __FUNCTION__, and __PRETTY_FUNCTION__ constexpr.
@ 2017-06-28 12:49 Franklin “Snaipe” Mathieu
2017-06-28 13:06 ` Franklin Mathieu
0 siblings, 1 reply; 6+ messages in thread
From: Franklin “Snaipe” Mathieu @ 2017-06-28 12:49 UTC (permalink / raw)
To: snaipe, gcc-patches; +Cc: Franklin “Snaipe” Mathieu
From: Franklin “Snaipe†Mathieu <snaipe@diacritic.io>
This patch makes the forementioned definitions `contexpr` when
compiling C++11 and above with GNU extensions.
gcc/cp/ChangeLog:
2017-06-27 Franklin “Snaipe†Mathieu <snaipe@diacritic.io>
PR c++/66639
* decl.c (cp_make_fname_decl): Make declaration constexpr.
gcc/testsuite/ChangeLog:
2017-06-27 Franklin “Snaipe†Mathieu <snaipe@diacritic.io>
PR c++/66639
* g++.dg/pr66639.c: New test.
---
gcc/cp/decl.c | 5 +++++
gcc/testsuite/g++.dg/pr66639.C | 19 +++++++++++++++++++
2 files changed, 24 insertions(+)
create mode 100644 gcc/testsuite/g++.dg/pr66639.C
diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
index 8e9a466..740ab71 100644
--- a/gcc/cp/decl.c
+++ b/gcc/cp/decl.c
@@ -4384,6 +4384,11 @@ cp_make_fname_decl (location_t loc, tree id, int type_dep)
TREE_READONLY (decl) = 1;
DECL_ARTIFICIAL (decl) = 1;
+ /* extension: declare __func__, __FUNCTION__, and __PRETTY_FUNCTION__ as
+ constexpr. */
+ if (!flag_iso && cxx_dialect >= cxx11)
+ DECL_DECLARED_CONSTEXPR_P (decl) = 1;
+
TREE_USED (decl) = 1;
if (current_function_decl)
diff --git a/gcc/testsuite/g++.dg/pr66639.C b/gcc/testsuite/g++.dg/pr66639.C
new file mode 100644
index 0000000..51a92f9
--- /dev/null
+++ b/gcc/testsuite/g++.dg/pr66639.C
@@ -0,0 +1,19 @@
+// PR c++/66639
+// { dg-do compile { target c++11 } }
+// { dg-options "" }
+
+constexpr bool
+streq(char const *lhs, char const *rhs)
+{
+ return *lhs && *rhs
+ ? *lhs == *rhs && streq(lhs + 1, rhs + 1)
+ : !*lhs && !*rhs;
+}
+
+int
+main()
+{
+ static_assert (streq(__func__, "main"), "");
+ static_assert (streq(__FUNCTION__, "main"), "");
+ static_assert (streq(__PRETTY_FUNCTION__, "int main()"), "");
+}
--
Franklin "Snaipe" Mathieu
Arista Networks, Ltd
^ permalink raw reply [flat|nested] 6+ messages in thread
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2017-06-28 12:53 [PATCH v1] cxx: Make __func__, __FUNCTION__, and __PRETTY_FUNCTION__ constexpr Snaipe
2017-06-28 12:57 ` Franklin Mathieu
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2017-06-28 12:52 Franklin Snaipe Mathieu
2017-06-28 12:56 ` Franklin Mathieu
2017-06-28 12:49 Franklin “Snaipe” Mathieu
2017-06-28 13:06 ` Franklin Mathieu
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