From 3f62e90eee9c64eda38185e994012c05c3b631ad Mon Sep 17 00:00:00 2001
From: David Malcolm <dmalcolm@redhat.com>
Date: Thu, 3 Oct 2019 16:06:08 -0400
Subject: [PATCH 010/113] {approved} analyzer: new files:
 analyzer-selftests.{cc|h}

Jeff approved the v1 version of this patch here:
  https://gcc.gnu.org/ml/gcc-patches/2019-12/msg00497.html
I believe the subsequent changes are obvious enough to be self-approvable.

Changed in v5:
- update ChangeLog path
- updated copyright years to include 2020

Changed in v4:
- Remove include of gcc-plugin.h
- call run_analyzer_selftests directly, rather than via plugin
  registration; wrap the analyzer selftests in #if ENABLE_ANALYZER
- fixup for moves of digraph.cc and tristate.cc from gcc/analyzer to gcc

gcc/analyzer/ChangeLog:
	* analyzer-selftests.cc: New file.
	* analyzer-selftests.h: New file.
---
 gcc/analyzer/analyzer-selftests.cc | 60 ++++++++++++++++++++++++++++++
 gcc/analyzer/analyzer-selftests.h  | 44 ++++++++++++++++++++++
 gcc/selftest-run-tests.c           |  6 +++
 gcc/selftest.h                     |  2 +
 4 files changed, 112 insertions(+)
 create mode 100644 gcc/analyzer/analyzer-selftests.cc
 create mode 100644 gcc/analyzer/analyzer-selftests.h

diff --git a/gcc/analyzer/analyzer-selftests.cc b/gcc/analyzer/analyzer-selftests.cc
new file mode 100644
index 00000000000..5ffacd575ab
--- /dev/null
+++ b/gcc/analyzer/analyzer-selftests.cc
@@ -0,0 +1,60 @@
+/* Selftest support for the analyzer.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   Contributed by David Malcolm <dmalcolm@redhat.com>.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+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/>.  */
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tree.h"
+#include "stringpool.h"
+#include "analyzer/analyzer.h"
+#include "analyzer/analyzer-selftests.h"
+
+#if CHECKING_P
+
+namespace selftest {
+
+/* Build a VAR_DECL named NAME of type TYPE, simulating a file-level
+   static variable.  */
+
+tree
+build_global_decl (const char *name, tree type)
+{
+  tree decl = build_decl (UNKNOWN_LOCATION, VAR_DECL,
+			  get_identifier (name), type);
+  TREE_STATIC (decl) = 1;
+  return decl;
+}
+
+/* Run all analyzer-specific selftests.  */
+
+void
+run_analyzer_selftests ()
+{
+#if ENABLE_ANALYZER
+  analyzer_constraint_manager_cc_tests ();
+  analyzer_program_point_cc_tests ();
+  analyzer_program_state_cc_tests ();
+  analyzer_region_model_cc_tests ();
+#endif /* #if ENABLE_ANALYZER */
+}
+
+} /* end of namespace selftest.  */
+
+#endif /* #if CHECKING_P */
diff --git a/gcc/analyzer/analyzer-selftests.h b/gcc/analyzer/analyzer-selftests.h
new file mode 100644
index 00000000000..6f08aa2b1bc
--- /dev/null
+++ b/gcc/analyzer/analyzer-selftests.h
@@ -0,0 +1,44 @@
+/* Selftests for the analyzer.
+   Copyright (C) 2019-2020 Free Software Foundation, Inc.
+   Contributed by David Malcolm <dmalcolm@redhat.com>.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+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/>.  */
+
+#ifndef GCC_ANALYZER_SELFTESTS_H
+#define GCC_ANALYZER_SELFTESTS_H
+
+#if CHECKING_P
+
+namespace selftest {
+
+extern tree build_global_decl (const char *name, tree type);
+
+extern void run_analyzer_selftests ();
+
+/* Declarations for specific families of tests (by source file), in
+   alphabetical order.  */
+extern void analyzer_checker_script_cc_tests ();
+extern void analyzer_constraint_manager_cc_tests ();
+extern void analyzer_program_point_cc_tests ();
+extern void analyzer_program_state_cc_tests ();
+extern void analyzer_region_model_cc_tests ();
+
+} /* end of namespace selftest.  */
+
+#endif /* #if CHECKING_P */
+
+#endif /* GCC_ANALYZER_SELFTESTS_H */
diff --git a/gcc/selftest-run-tests.c b/gcc/selftest-run-tests.c
index b468e8799d4..e451387ab21 100644
--- a/gcc/selftest-run-tests.c
+++ b/gcc/selftest-run-tests.c
@@ -27,6 +27,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "options.h"
 #include "stringpool.h"
 #include "attribs.h"
+#include "analyzer/analyzer-selftests.h"
 
 /* This function needed to be split out from selftest.c as it references
    tests from the whole source tree, and so is within
@@ -86,6 +87,8 @@ selftest::run_tests ()
   gimple_c_tests ();
   rtl_tests_c_tests ();
   read_rtl_function_c_tests ();
+  digraph_cc_tests ();
+  tristate_cc_tests ();
 
   /* Higher-level tests, or for components that other selftests don't
      rely on.  */
@@ -115,6 +118,9 @@ selftest::run_tests ()
   /* Run any lang-specific selftests.  */
   lang_hooks.run_lang_selftests ();
 
+  /* Run the analyzer selftests (if enabled).  */
+  run_analyzer_selftests ();
+
   /* Force a GC at the end of the selftests, to shake out GC-related
      issues.  For example, if any GC-managed items have buggy (or missing)
      finalizers, this last collection will ensure that things that were
diff --git a/gcc/selftest.h b/gcc/selftest.h
index e697c8da2e2..df98e0b5f12 100644
--- a/gcc/selftest.h
+++ b/gcc/selftest.h
@@ -228,6 +228,7 @@ extern void convert_c_tests ();
 extern void diagnostic_c_tests ();
 extern void diagnostic_format_json_cc_tests ();
 extern void diagnostic_show_locus_c_tests ();
+extern void digraph_cc_tests ();
 extern void dumpfile_c_tests ();
 extern void edit_context_c_tests ();
 extern void et_forest_c_tests ();
@@ -258,6 +259,7 @@ extern void store_merging_c_tests ();
 extern void tree_c_tests ();
 extern void tree_cfg_c_tests ();
 extern void tree_diagnostic_path_cc_tests ();
+extern void tristate_cc_tests ();
 extern void typed_splay_tree_c_tests ();
 extern void unique_ptr_tests_cc_tests ();
 extern void vec_c_tests ();
-- 
2.21.0

