cling/tools/driver/cling.cpp
2012-09-05 15:27:17 +00:00

65 lines
1.9 KiB
C++

//------------------------------------------------------------------------------
// CLING - the C++ LLVM-based InterpreterG :)
// version: $Id$
// author: Lukasz Janyst <ljanyst@cern.ch>
//------------------------------------------------------------------------------
#include "cling/Interpreter/Interpreter.h"
#include "cling/MetaProcessor/MetaProcessor.h"
#include "cling/UserInterface/UserInterface.h"
#include "clang/Basic/LangOptions.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Frontend/HeaderSearchOptions.h"
#include "llvm/Support/Signals.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/ManagedStatic.h"
#include <iostream>
#include <vector>
#include <string>
int main( int argc, char **argv ) {
llvm::llvm_shutdown_obj shutdownTrigger;
//llvm::sys::PrintStackTraceOnErrorSignal();
//llvm::PrettyStackTraceProgram X(argc, argv);
// Set up the interpreter
cling::Interpreter interp(argc, argv);
if (interp.getOptions().Help) {
return 0;
}
clang::CompilerInstance* CI = interp.getCI();
interp.AddIncludePath(".");
for (size_t I = 0, N = interp.getOptions().LibsToLoad.size(); I < N; ++I) {
interp.loadFile(interp.getOptions().LibsToLoad[I]);
}
bool ret = true;
const std::vector<clang::FrontendInputFile>& Inputs
= CI->getInvocation().getFrontendOpts().Inputs;
// Interactive means no input (or one input that's "-")
bool Interactive = Inputs.empty() || (Inputs.size() == 1
&& Inputs[0].File == "-");
cling::UserInterface ui(interp);
// If we are not interactive we're supposed to parse files
if (!Interactive) {
for (size_t I = 0, N = Inputs.size(); I < N; ++I) {
ret = ui.getMetaProcessor()->process((".x " + Inputs[I].File).c_str());
}
}
else {
cling::UserInterface ui(interp);
ui.runInteractively(interp.getOptions().NoLogo);
}
return ret ? 0 : 1;
}