65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
#include <catch.hpp>
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#include <fstream>
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#include "libclang/preprocessor.hpp"
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#include "test_parser.hpp"
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using namespace cppast;
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TEST_CASE("preprocessor_parses_escaped_character", "[!hide][clang4]")
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{
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write_file("ppec.hpp", R"(
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)");
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// This is an actual macro from the rapidjson source (reader.h)
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write_file("ppec.cpp", R"(
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#define Z16 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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static const char escape[256] = {
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0, 0,'\"', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,'/',
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,'\\', 0, 0, 0,
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0, 0,'\b', 0, 0, 0,'\f', 0, 0, 0, 0, 0, 0, 0,'\n', 0,
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0, 0,'\r', 0,'\t', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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};
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#undef Z16
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#include "ppec.hpp"
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)");
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libclang_compile_config config;
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config.set_flags(cpp_standard::cpp_latest);
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auto preprocessed = detail::preprocess(config, "ppec.cpp", default_logger().get());
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REQUIRE(preprocessed.includes.size() == 1);
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REQUIRE(preprocessed.includes[0].file_name == "ppec.hpp");
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}
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TEST_CASE("fast_preprocessing include guard")
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{
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auto file_name = "fast_preprocessing_include_guard";
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write_file(file_name, R"(
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// This is a C++ comment that should get skipped.
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/// This as well.
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/* C style comments
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#ifndef FALSE_POSITIVE
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#define FALSE_POSITIVE
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*/ #ifndef INCLUDE_GUARD // the include guard macro
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#define INCLUDE_GUARD
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struct foo {};
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#endif
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)");
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libclang_compile_config config;
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config.set_flags(cpp_standard::cpp_latest);
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config.fast_preprocessing(true);
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auto result = detail::preprocess(config, file_name, default_logger().get());
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REQUIRE(result.macros.size() == 1u);
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REQUIRE(result.macros[0].macro->name() == "INCLUDE_GUARD");
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}
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