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plugin.def: Add event for finish_decl. 

2011-08-11  Romain Geissler  <romain.geissler@gmail.com>
            Brian Hackett  <bhackett1024@gmail.com>

gcc/ChangeLog:

      * plugin.def: Add event for finish_decl.
      * plugin.c (register_callback, invoke_plugin_callbacks): Same.
      * c-decl.c (finish_decl): Invoke callbacks on above event.
      * doc/plugins.texi: Document above event.

gcc/cp/ChangeLog:

      * decl.c (cp_finish_decl): Invoke callbacks on finish_decl event.

gcc/testsuite/ChangeLog:

      * g++.dg/plugin/decl_plugin.c: New.
      * g++.dg/plugin/decl-plugin-test.C: New.
      * g++.dg/plugin/plugin.exp: Add above testcase.

Co-Authored-By: Brian Hackett <bhackett1024@gmail.com>

From-SVN: r177674
This commit is contained in:
Romain Geissler 2011-08-11 15:57:38 +00:00 committed by Diego Novillo
parent 25aa059e63
commit 4309e92c98
11 changed files with 113 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2011-08-11 Romain Geissler <romain.geissler@gmail.com>
Brian Hackett <bhackett1024@gmail.com>
* plugin.def: Add event for finish_decl.
* plugin.c (register_callback, invoke_plugin_callbacks): Same.
* c-decl.c (finish_decl): Invoke callbacks on above event.
* doc/plugins.texi: Document above event.
2011-08-11 Richard Guenther <rguenther@suse.de>
* tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid redundant

2
gcc/c-decl.c
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@ -4466,6 +4466,8 @@ finish_decl (tree decl, location_t init_loc, tree init,
&& C_TYPE_FIELDS_READONLY (type))
diagnose_uninitialized_cst_member (decl, type);
}
invoke_plugin_callbacks (PLUGIN_FINISH_DECL, decl);
}
/* Given a parsed parameter declaration, decode it into a PARM_DECL.

5
gcc/cp/ChangeLog
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@ -1,3 +1,8 @@
2011-08-11 Romain Geissler <romain.geissler@gmail.com>
Brian Hackett <bhackett1024@gmail.com>
* decl.c (cp_finish_decl): Invoke callbacks on finish_decl event.
2011-08-10 Richard Guenther <rguenther@suse.de>
* call.c (build_over_call): Call memcpy unconditionally.

2
gcc/cp/decl.c
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@ -6311,6 +6311,8 @@ cp_finish_decl (tree decl, tree init, bool init_const_expr_p,
if (was_readonly)
TREE_READONLY (decl) = 1;
invoke_plugin_callbacks (PLUGIN_FINISH_DECL, decl);
}
/* Returns a declaration for a VAR_DECL as if:

1
gcc/doc/plugins.texi
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@ -151,6 +151,7 @@ enum plugin_event
@{
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. */
PLUGIN_FINISH_UNIT, /* Useful for summary processing. */
PLUGIN_PRE_GENERICIZE, /* Allows to see low level AST in C and C++ frontends. */
PLUGIN_FINISH, /* Called before GCC exits. */

2
gcc/plugin.c
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@ -420,6 +420,7 @@ register_callback (const char *plugin_name,
}
/* Fall through. */
case PLUGIN_FINISH_TYPE:
case PLUGIN_FINISH_DECL:
case PLUGIN_START_UNIT:
case PLUGIN_FINISH_UNIT:
case PLUGIN_PRE_GENERICIZE:
@ -496,6 +497,7 @@ invoke_plugin_callbacks_full (int event, void *gcc_data)
gcc_assert (event < event_last);
/* Fall through. */
case PLUGIN_FINISH_TYPE:
case PLUGIN_FINISH_DECL:
case PLUGIN_START_UNIT:
case PLUGIN_FINISH_UNIT:
case PLUGIN_PRE_GENERICIZE:

3
gcc/plugin.def
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@ -24,6 +24,9 @@ DEFEVENT (PLUGIN_PASS_MANAGER_SETUP)
/* After finishing parsing a type. */
DEFEVENT (PLUGIN_FINISH_TYPE)
/* After finishing parsing a declaration. */
DEFEVENT (PLUGIN_FINISH_DECL)
/* Useful for summary processing. */
DEFEVENT (PLUGIN_FINISH_UNIT)

7
gcc/testsuite/ChangeLog
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@ -1,3 +1,10 @@
2011-08-11 Romain Geissler <romain.geissler@gmail.com>
Brian Hackett <bhackett1024@gmail.com>
* g++.dg/plugin/decl_plugin.c: New.
* g++.dg/plugin/decl-plugin-test.C: New.
* g++.dg/plugin/plugin.exp: Add above testcase.
2011-08-11 Richard Guenther <rguenther@suse.de>
* g++.dg/tree-ssa/pr41186.C: Un-XFAIL.

30
gcc/testsuite/g++.dg/plugin/decl-plugin-test.C Normal file
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@ -0,0 +1,30 @@
extern int global; // { dg-warning "Decl Global global" }
int global_array[] = { 1, 2, 3 }; // { dg-warning "Decl Global global_array" }
int takes_args(int arg1, int arg2)
{
int local = arg1 + arg2 + global; // { dg-warning "Decl Local local" }
return local + 1;
}
int global = 12; // { dg-warning "Decl Global global" }
struct test_str {
int field; // { dg-warning "Decl Field field" }
};
class test_class {
int class_field1; // { dg-warning "Decl Field class_field1" }
int class_field2; // { dg-warning "Decl Field class_field2" }
test_class() // { dg-warning "Decl Function test_class" }
: class_field1(0), class_field2(0)
{}
void swap_fields(int bias) // { dg-warning "Decl Function swap_fields" }
{
int temp = class_field1 + bias; // { dg-warning "Decl Local temp" }
class_field1 = class_field2 - bias;
class_field2 = temp;
}
};

51
gcc/testsuite/g++.dg/plugin/decl_plugin.c Normal file
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@ -0,0 +1,51 @@
/* A plugin example that shows which declarations are caught by FINISH_DECL */
#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"
int plugin_is_GPL_compatible;
/* Callback function to invoke after GCC finishes a declaration. */
void plugin_finish_decl (void *event_data, void *data)
{
tree decl = (tree) event_data;
const char *kind = NULL;
switch (TREE_CODE(decl)) {
case FUNCTION_DECL:
kind = "Function"; break;
case PARM_DECL:
kind = "Parameter"; break;
case VAR_DECL:
if (DECL_FILE_SCOPE_P(decl))
kind = "Global";
else
kind = "Local";
break;
case FIELD_DECL:
kind = "Field"; break;
default:
kind = "Unknown";
}
warning (0, G_("Decl %s %s"),
kind, IDENTIFIER_POINTER (DECL_NAME (decl)));
}
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_FINISH_DECL,
plugin_finish_decl, NULL);
return 0;
}

3
gcc/testsuite/g++.dg/plugin/plugin.exp
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@ -51,7 +51,8 @@ set plugin_test_list [list \
{ pragma_plugin.c pragma_plugin-test-1.C } \
{ 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 } ]
{ header_plugin.c header-plugin-test.C } \
{ decl_plugin.c decl-plugin-test.C } ]
foreach plugin_test $plugin_test_list {
# Replace each source file with its full-path name