59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
// Copyright (C) 2017 Jonathan Müller <jonathanmueller.dev@gmail.com>
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// This file is subject to the license terms in the LICENSE file
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// found in the top-level directory of this distribution.
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#include <cppast/cpp_preprocessor.hpp>
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#include "test_parser.hpp"
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using namespace cppast;
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TEST_CASE("cpp_macro_definition")
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{
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auto code = R"(
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#include <iostream>
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#define G
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#define A
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#define B hello
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#define C(x, y) x##_name
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#define D(...) __VA_ARGS__
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#define E() bar\
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baz
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#define F () bar
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#undef G
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)";
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auto check_macro = [](const cpp_macro_definition& macro, const char* replacement,
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const char* args) {
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REQUIRE(macro.replacement() == replacement);
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if (args)
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{
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REQUIRE(macro.is_function_like());
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REQUIRE(macro.parameters().value() == args);
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}
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else
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{
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REQUIRE(!macro.is_function_like());
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REQUIRE(!macro.parameters().has_value());
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}
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};
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auto file = parse({}, "cpp_macro_definition.cpp", code);
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auto count = test_visit<cpp_macro_definition>(*file, [&](const cpp_macro_definition& macro) {
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if (macro.name() == "A")
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check_macro(macro, "", nullptr);
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else if (macro.name() == "B")
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check_macro(macro, "hello", nullptr);
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else if (macro.name() == "C")
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check_macro(macro, "x##_name", "x,y");
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else if (macro.name() == "D")
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check_macro(macro, "__VA_ARGS__", "...");
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else if (macro.name() == "E")
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check_macro(macro, "barbaz", "");
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else if (macro.name() == "F")
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check_macro(macro, "() bar", nullptr);
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else
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REQUIRE(false);
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});
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REQUIRE(count == 6u);
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}
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