Add visitors for automatic test case generation.

test/tools/ossfuzz/Generators.h

@@ -0,0 +1,32 @@
+/*
+	This file is part of solidity.
+
+	solidity 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 of the License, or
+	(at your option) any later version.
+
+	solidity 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 solidity.  If not, see <http://www.gnu.org/licenses/>.
+*/
+// SPDX-License-Identifier: GPL-3.0
+/**
+ * Convenience macros for Solidity generator type declarations.
+ */
+
+#pragma once
+
+/*
+ * Alphabetically sorted Generator types.
+ * SEP must appear between two elements and ENDSEP must
+ * appear after the last element.
+ */
+#define GENERATORLIST(MACRO, SEP, ENDSEP) \
+	MACRO(PragmaGenerator) SEP \
+	MACRO(SourceUnitGenerator) SEP \
+	MACRO(TestCaseGenerator) ENDSEP