85 lines
2.7 KiB
C++
85 lines
2.7 KiB
C++
//------------------------------------------------------------------------------
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// CLING - the C++ LLVM-based InterpreterG :)
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// author: Lukasz Janyst <ljanyst@cern.ch>
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//
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// This file is dual-licensed: you can choose to license it under the University
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// of Illinois Open Source License or the GNU Lesser General Public License. See
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// LICENSE.TXT for details.
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//------------------------------------------------------------------------------
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#include "cling/Interpreter/Interpreter.h"
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#include "cling/MetaProcessor/MetaProcessor.h"
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#include "cling/UserInterface/UserInterface.h"
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#include "clang/Basic/LangOptions.h"
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#include "clang/Frontend/CompilerInstance.h"
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#include "llvm/Support/Signals.h"
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#include "llvm/Support/PrettyStackTrace.h"
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#include "llvm/Support/ManagedStatic.h"
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#include <iostream>
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#include <vector>
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#include <string>
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int main( int argc, char **argv ) {
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llvm::llvm_shutdown_obj shutdownTrigger;
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//llvm::sys::PrintStackTraceOnErrorSignal();
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//llvm::PrettyStackTraceProgram X(argc, argv);
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// Set up the interpreter
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cling::Interpreter interp(argc, argv);
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if (interp.getOptions().Help) {
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return 0;
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}
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clang::CompilerInstance* CI = interp.getCI();
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interp.AddIncludePath(".");
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for (size_t I = 0, N = interp.getOptions().LibsToLoad.size(); I < N; ++I) {
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interp.loadFile(interp.getOptions().LibsToLoad[I]);
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}
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// Interactive means no input (or one input that's "-")
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std::vector<std::string>& Inputs = interp.getOptions().Inputs;
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bool Interactive = Inputs.empty() || (Inputs.size() == 1
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&& Inputs[0] == "-");
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cling::UserInterface ui(interp);
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// If we are not interactive we're supposed to parse files
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if (!Interactive) {
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for (size_t I = 0, N = Inputs.size(); I < N; ++I) {
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std::string line;
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if (llvm::sys::fs::exists(Inputs[I]))
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line += ".x ";
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line += Inputs[I];
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cling::Interpreter::CompilationResult compRes;
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ui.getMetaProcessor()->process(line.c_str(), compRes, 0);
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}
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}
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else {
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ui.runInteractively(interp.getOptions().NoLogo);
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}
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bool ret = CI->getDiagnostics().getClient()->getNumErrors();
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// if we are running with -verify a reported has to be returned as unsuccess.
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// This is relevant especially for the test suite.
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if (CI->getDiagnosticOpts().VerifyDiagnostics) {
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// If there was an error that came from the verifier we must return 1 as
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// an exit code for the process. This will make the test fail as expected.
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clang::DiagnosticConsumer* client = CI->getDiagnostics().getClient();
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client->EndSourceFile();
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ret = client->getNumErrors();
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// The interpreter expects BeginSourceFile/EndSourceFiles to be balanced.
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client->BeginSourceFile(CI->getLangOpts(), &CI->getPreprocessor());
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}
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return ret;
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}
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