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Detect C++ language from compiler arguments #175

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Detect C++ language from compiler arguments #175

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15 changes: 15 additions & 0 deletions src/libclang/libclang_parser.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -233,6 +233,21 @@ cppast::libclang_compile_config::libclang_compile_config(
std::string exe(clang_getCString(clang_CompileCommand_getArg(cmd, 0)));
use_c_ = (exe.find("++", 0) == std::string::npos);

if (use_c_)
{
// Try to determine the language from the compiler arguments (e.g. -std=c++11, -x c++)
auto argSize = clang_CompileCommands_getSize(cmd);
for (auto j = 0u; j <= argSize; ++j)
{
std::string arg(clang_getCString(clang_CompileCommand_getArg(cmd, j)));
if (arg.find("c++", 0) != std::string::npos)
{
use_c_ = false;
break;
}
}
}

auto dir = detail::cxstring(clang_CompileCommand_getDirectory(cmd));
parse_flags(cmd, [&](std::string flag, std::string args) {
if (flag == "-I")
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