本文整理汇总了C++中clang::CompilerInstance::getPreprocessorOutputOpts方法的典型用法代码示例。如果您正苦于以下问题：C++ CompilerInstance::getPreprocessorOutputOpts方法的具体用法？C++ CompilerInstance::getPreprocessorOutputOpts怎么用？C++ CompilerInstance::getPreprocessorOutputOpts使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类clang::CompilerInstance的用法示例。
在下文中一共展示了CompilerInstance::getPreprocessorOutputOpts方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: TextDiagnosticPrinter
void c2ffi::init_ci(config &c, clang::CompilerInstance &ci) {
using clang::DiagnosticOptions;
using clang::TextDiagnosticPrinter;
using clang::TargetOptions;
using clang::TargetInfo;
DiagnosticOptions *dopt = new DiagnosticOptions;
TextDiagnosticPrinter *tpd =
new TextDiagnosticPrinter(llvm::errs(), dopt, false);
ci.createDiagnostics(tpd);
std::shared_ptr<TargetOptions> pto =
std::shared_ptr<TargetOptions>(new TargetOptions());
if(c.arch == "")
pto->Triple = llvm::sys::getDefaultTargetTriple();
else
pto->Triple = c.arch;
TargetInfo *pti = TargetInfo::CreateTargetInfo(ci.getDiagnostics(), pto);
clang::LangOptions &lo = ci.getLangOpts();
switch(pti->getTriple().getEnvironment()) {
case llvm::Triple::EnvironmentType::GNU:
lo.GNUMode = 1;
break;
case llvm::Triple::EnvironmentType::MSVC:
lo.MSVCCompat = 1;
lo.MicrosoftExt = 1;
break;
default:
std::cerr << "c2ffi warning: Unhandled environment: '"
<< pti->getTriple().getEnvironmentName().str()
<< "' for triple '" << c.arch
<< "'" << std::endl;
}
ci.getInvocation().setLangDefaults(lo, c.kind, c.std);
ci.setTarget(pti);
ci.createFileManager();
ci.createSourceManager(ci.getFileManager());
ci.createPreprocessor(clang::TU_Complete);
ci.getPreprocessorOpts().UsePredefines = false;
ci.getPreprocessorOutputOpts().ShowCPP = c.preprocess_only;
ci.getPreprocessor().setPreprocessedOutput(c.preprocess_only);
}