IncrementalParser::IncrementalParser(Interpreter* interp, const char* llvmdir)
: m_Interpreter(interp),
m_CI(CIFactory::createCI("", interp->getOptions(), llvmdir,
m_Consumer = new cling::DeclCollector())),
m_ModuleNo(0) {
if (!m_CI) {
cling::errs() << "Compiler instance could not be created.\n";
return;
}
// Is the CompilerInstance being used to generate output only?
if (m_Interpreter->getOptions().CompilerOpts.HasOutput)
return;
if (!m_Consumer) {
cling::errs() << "No AST consumer available.\n";
return;
}
DiagnosticsEngine& Diag = m_CI->getDiagnostics();
if (m_CI->getFrontendOpts().ProgramAction != frontend::ParseSyntaxOnly) {
m_CodeGen.reset(CreateLLVMCodeGen(
Diag, makeModuleName(), m_CI->getHeaderSearchOpts(),
m_CI->getPreprocessorOpts(), m_CI->getCodeGenOpts(),
*m_Interpreter->getLLVMContext()));
}
// Initialize the DeclCollector and add callbacks keeping track of macros.
m_Consumer->Setup(this, m_CodeGen.get(), m_CI->getPreprocessor());
m_DiagConsumer.reset(new FilteringDiagConsumer(Diag, false));
initializeVirtualFile();
}
/**
* Initialises basic variables.
*
* \param c core module.
* \param prefix module name's prefix.
* \param seq sequence number
*/
Module(Core &c, const std::string &prefix, unsigned long seq)
: moduleName(makeModuleName(prefix, seq)), core(c) { }
llvm::Module* IncrementalParser::StartModule() {
return getCodeGenerator()->StartModule(makeModuleName(),
*m_Interpreter->getLLVMContext(),
getCI()->getCodeGenOpts());
}
