Basic support for parsing verbatim keywords with code

tests/parser/PYACTION.cpp

@@ -0,0 +1,79 @@
+/*
+  Copyright 2019 Equinor ASA.
+
+  This file is part of the Open Porous Media project (OPM).
+
+  OPM 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.
+
+  OPM 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 OPM.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#include "config.h"
+
+#define BOOST_TEST_MODULE PY_ACTION_TESTER
+#include <boost/test/unit_test.hpp>
+#include <iostream>
+#include <opm/parser/eclipse/Parser/Parser.hpp>
+
+using namespace Opm;
+
+BOOST_AUTO_TEST_CASE(ParsePYACTION) {
+    const std::string input_code = R"(from math import sin
+import random
+print("sin(0) = {}".format(sin(0)))
+#---
+if random.random() > 0.25:
+    print("Large outcome")
+else:
+    print("Small result")
+A = 100
+B = A / 10
+C = B * 20
+)";
+
+    const std::string deck_string1 = R"(
+SCHEDULE
+
+PYACTION Her comes an ignored comment
+)" + input_code + "<<<";
+
+    const std::string deck_string2 = R"(
+SCHEDULE
+
+PYACTION
+)" + input_code;
+
+
+    const std::string deck_string3 = R"(
+SCHEDULE
+
+PYACTION -- Comment
+)" + input_code + "<<<" + "\nGRID";
+
+
+    Parser parser;
+    {
+        auto deck = parser.parseString(deck_string1);
+        const auto& parsed_code = deck.getKeyword("PYACTION").getRecord(0).getItem("code").get<std::string>(0);
+        BOOST_CHECK_EQUAL(parsed_code, input_code);
+    }
+    {
+        auto deck = parser.parseString(deck_string2);
+        const auto& parsed_code = deck.getKeyword("PYACTION").getRecord(0).getItem("code").get<std::string>(0);
+        BOOST_CHECK_EQUAL(parsed_code, input_code);
+    }
+    {
+        auto deck = parser.parseString(deck_string3);
+        const auto& parsed_code = deck.getKeyword("PYACTION").getRecord(0).getItem("code").get<std::string>(0);
+        BOOST_CHECK_EQUAL(parsed_code, input_code);
+        BOOST_CHECK( deck.hasKeyword("GRID"));
+    }
+}