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plugins.texi (enum plugin_event): New event. 

* doc/plugins.texi (enum plugin_event): New event.
        * plugin.c (register_callback): Handle PLUGIN_START_PARSE_FUNCTION
        and PLUGIN_FINISH_FUNCTION.
        * plugin.def (PLUGIN_START_PARSE_FUNCTION): Add plugin event
        (PLUGIN_FINISH_PARSE_FUNCTION): Likewise.

cp/

        * decl.c (start_function): Call plugin before parsing.
        (finish_function): Call plugin after parsing.

c/

        * c-decl.c (start_function): Call plugin before parsing.
        (finish_function): Call plugin after parsing.

testsuite/

        * g++.dg/plugin/plugin.exp: Add def-plugin-test.C.
        * g++.dg/plugin/def_plugin.c: New file.
        * g++.dg/plugin/def-plugin-test.C: New file.

From-SVN: r224078
This commit is contained in:
Andres Tiraboschi 2015-06-03 13:27:11 +00:00 committed by Jeff Law
parent e004aa11b1
commit ea5b45b61f
12 changed files with 99 additions and 1 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2015-06-02 Andres Tiraboschi <andres.tiraboschi@tallertechnologies.com>
* doc/plugins.texi (enum plugin_event): New event.
* plugin.c (register_callback): Handle PLUGIN_START_PARSE_FUNCTION
and PLUGIN_FINISH_FUNCTION.
* plugin.def (PLUGIN_START_PARSE_FUNCTION): Add plugin event
(PLUGIN_FINISH_PARSE_FUNCTION): Likewise.
2015-06-03 Richard Biener <rguenther@suse.de>
* tree-vect-data-refs.c (vect_analyze_group_access): Properly

5
gcc/c/ChangeLog
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@ -1,3 +1,8 @@
2015-06-02 Andres Tiraboschi <andres.tiraboschi@tallertechnologies.com>
* c-decl.c (start_function): Call plugin before parsing.
(finish_function): Call plugin after parsing.
2015-06-02 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
PR c/49551

2
gcc/c/c-decl.c
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@ -8239,6 +8239,7 @@ start_function (struct c_declspecs *declspecs, struct c_declarator *declarator,
decl1 = grokdeclarator (declarator, declspecs, FUNCDEF, true, NULL,
&attributes, NULL, NULL, DEPRECATED_NORMAL);
invoke_plugin_callbacks (PLUGIN_START_PARSE_FUNCTION, decl1);
/* If the declarator is not suitable for a function definition,
cause a syntax error. */
@ -9083,6 +9084,7 @@ finish_function (void)
It's still in DECL_STRUCT_FUNCTION, and we'll restore it in
tree_rest_of_compilation. */
set_cfun (NULL);
invoke_plugin_callbacks (PLUGIN_FINISH_PARSE_FUNCTION, current_function_decl);
current_function_decl = NULL;
}

5
gcc/cp/ChangeLog
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@ -1,3 +1,8 @@
2015-06-02 Andres Tiraboschi <andres.tiraboschi@tallertechnologies.com>
* decl.c (start_function): Call plugin before parsing.
(finish_function): Call plugin after parsing.
2015-06-02 Patrick Palka <patrick@parcs.ath.cx>
* cp-tree.h (init_error): Remove declaration.

2
gcc/cp/decl.c
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@ -13748,6 +13748,7 @@ start_function (cp_decl_specifier_seq *declspecs,
tree decl1;
decl1 = grokdeclarator (declarator, declspecs, FUNCDEF, 1, &attrs);
invoke_plugin_callbacks (PLUGIN_START_PARSE_FUNCTION, decl1);
if (decl1 == error_mark_node)
return false;
/* If the declarator is not suitable for a function definition,
@ -14386,6 +14387,7 @@ finish_function (int flags)
vec_free (deferred_mark_used_calls);
}
invoke_plugin_callbacks (PLUGIN_FINISH_PARSE_FUNCTION, fndecl);
return fndecl;
}

2
gcc/doc/plugins.texi
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@ -174,6 +174,8 @@ Callbacks can be invoked at the following pre-determined events:
@smallexample
enum plugin_event
@{
PLUGIN_START_PARSE_FUNCTION, /* Called before parsing the body of a function. */
PLUGIN_FINISH_PARSE_FUNCTION, /* After finishing parsing a function. */
PLUGIN_PASS_MANAGER_SETUP, /* To hook into pass manager. */
PLUGIN_FINISH_TYPE, /* After finishing parsing a type. */
PLUGIN_FINISH_DECL, /* After finishing parsing a declaration. */

4
gcc/plugin.c
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@ -441,6 +441,8 @@ register_callback (const char *plugin_name,
return;
}
/* Fall through. */
case PLUGIN_START_PARSE_FUNCTION:
case PLUGIN_FINISH_PARSE_FUNCTION:
case PLUGIN_FINISH_TYPE:
case PLUGIN_FINISH_DECL:
case PLUGIN_START_UNIT:
@ -519,6 +521,8 @@ invoke_plugin_callbacks_full (int event, void *gcc_data)
gcc_assert (event >= PLUGIN_EVENT_FIRST_DYNAMIC);
gcc_assert (event < event_last);
/* Fall through. */
case PLUGIN_START_PARSE_FUNCTION:
case PLUGIN_FINISH_PARSE_FUNCTION:
case PLUGIN_FINISH_TYPE:
case PLUGIN_FINISH_DECL:
case PLUGIN_START_UNIT:

5
gcc/plugin.def
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@ -17,6 +17,11 @@ You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
/* Called before parsing the body of a function. */
DEFEVENT (PLUGIN_START_PARSE_FUNCTION)
/* After finishing parsing a function. */
DEFEVENT (PLUGIN_FINISH_PARSE_FUNCTION)
/* To hook into pass manager. */
DEFEVENT (PLUGIN_PASS_MANAGER_SETUP)

6
gcc/testsuite/ChangeLog
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@ -1,3 +1,9 @@
2015-06-02 Andres Tiraboschi <andres.tiraboschi@tallertechnologies.com>
* g++.dg/plugin/plugin.exp: Add def-plugin-test.C.
* g++.dg/plugin/def_plugin.c: New file.
* g++.dg/plugin/def-plugin-test.C: New file.
2015-06-03 Richard Biener <rguenther@suse.de>
* gcc.dg/vect/bb-slp-36.c: New testcase.

13
gcc/testsuite/g++.dg/plugin/def-plugin-test.C Normal file
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@ -0,0 +1,13 @@
int global = 12;
int function1(void);
int function2(int a) // { dg-warning "Start fndef function2" }
{
return function1() + a;
} // { dg-warning "Finish fndef function2" }
int function1(void) // { dg-warning "Start fndef function1" }
{
return global + 1;
} // { dg-warning "Finish fndef function1" }

45
gcc/testsuite/g++.dg/plugin/def_plugin.c Normal file
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@ -0,0 +1,45 @@
/* A plugin example that shows which function definitions are caught by PLUGIN_START_FUNCTION and PLUGIN_FINISH_FUNCTION */
#include "gcc-plugin.h"
#include <stdlib.h>
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tree.h"
#include "tree-pass.h"
#include "intl.h"
#include "diagnostic.h"
int plugin_is_GPL_compatible;
/* Callback function to invoke when GCC starts a function definition*/
void plugin_start_parse_function (void *event_data, void *data)
{
tree fndef = (tree) event_data;
warning (0, G_("Start fndef %s"),
IDENTIFIER_POINTER (DECL_NAME (fndef)));
}
/* Callback function to invoke after GCC finishes a function definition. */
void plugin_finish_parse_function (void *event_data, void *data)
{
tree fndef = (tree) event_data;
warning (0, G_("Finish fndef %s"),
IDENTIFIER_POINTER (DECL_NAME (fndef)));
}
int
plugin_init (struct plugin_name_args *plugin_info,
struct plugin_gcc_version *version)
{
const char *plugin_name = plugin_info->base_name;
register_callback (plugin_name, PLUGIN_START_PARSE_FUNCTION,
plugin_start_parse_function, NULL);
register_callback (plugin_name, PLUGIN_FINISH_PARSE_FUNCTION,
plugin_finish_parse_function, NULL);
return 0;
}

3
gcc/testsuite/g++.dg/plugin/plugin.exp
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@ -61,7 +61,8 @@ set plugin_test_list [list \
{ selfassign.c self-assign-test-1.C self-assign-test-2.C self-assign-test-3.C } \
{ dumb_plugin.c dumb-plugin-test-1.C } \
{ header_plugin.c header-plugin-test.C } \
{ decl_plugin.c decl-plugin-test.C } ]
{ decl_plugin.c decl-plugin-test.C } \
{ def_plugin.c def-plugin-test.C } ]
foreach plugin_test $plugin_test_list {
# Replace each source file with its full-path name