//
//===----------------------------------------------------------------------===//
+#include "llvm/LLVMContext.h"
#include "llvm/Module.h"
#include "llvm/Assembly/Parser.h"
#include "llvm/Analysis/Verifier.h"
#include "llvm/Bitcode/ReaderWriter.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/Streams.h"
+#include "llvm/Support/PrettyStackTrace.h"
+#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/SystemUtils.h"
-#include "llvm/System/Signals.h"
-#include <fstream>
-#include <iostream>
+#include "llvm/Support/ToolOutputFile.h"
+#include "llvm/Support/Signals.h"
#include <memory>
using namespace llvm;
cl::value_desc("filename"));
static cl::opt<bool>
-Force("f", cl::desc("Overwrite output files"));
+Force("f", cl::desc("Enable binary output on terminals"));
+
+static cl::opt<bool>
+DisableOutput("disable-output", cl::desc("Disable output"), cl::init(false));
static cl::opt<bool>
DumpAsm("d", cl::desc("Print assembly as parsed"), cl::Hidden);
DisableVerify("disable-verify", cl::Hidden,
cl::desc("Do not run verifier on input LLVM (dangerous!)"));
-int main(int argc, char **argv) {
- llvm_shutdown_obj X; // Call llvm_shutdown() on exit.
- cl::ParseCommandLineOptions(argc, argv, "llvm .ll -> .bc assembler\n");
- sys::PrintStackTraceOnErrorSignal();
-
- int exitCode = 0;
- std::ostream *Out = 0;
- try {
- // Parse the file now...
- ParseError Err;
- std::auto_ptr<Module> M(ParseAssemblyFile(InputFilename,&Err));
- if (M.get() == 0) {
- cerr << argv[0] << ": " << Err.getMessage() << "\n";
- return 1;
- }
-
- if (!DisableVerify) {
- std::string Err;
- if (verifyModule(*M.get(), ReturnStatusAction, &Err)) {
- cerr << argv[0]
- << ": assembly parsed, but does not verify as correct!\n";
- cerr << Err;
- return 1;
- }
- }
-
- if (DumpAsm) cerr << "Here's the assembly:\n" << *M.get();
-
- if (OutputFilename != "") { // Specified an output filename?
- if (OutputFilename != "-") { // Not stdout?
- if (!Force && std::ifstream(OutputFilename.c_str())) {
- // If force is not specified, make sure not to overwrite a file!
- cerr << argv[0] << ": error opening '" << OutputFilename
- << "': file exists!\n"
- << "Use -f command line argument to force output\n";
- return 1;
- }
- Out = new std::ofstream(OutputFilename.c_str(), std::ios::out |
- std::ios::trunc | std::ios::binary);
- } else { // Specified stdout
- // FIXME: cout is not binary!
- Out = &std::cout;
- }
+static void WriteOutputFile(const Module *M) {
+ // Infer the output filename if needed.
+ if (OutputFilename.empty()) {
+ if (InputFilename == "-") {
+ OutputFilename = "-";
} else {
- if (InputFilename == "-") {
- OutputFilename = "-";
- Out = &std::cout;
+ std::string IFN = InputFilename;
+ int Len = IFN.length();
+ if (IFN[Len-3] == '.' && IFN[Len-2] == 'l' && IFN[Len-1] == 'l') {
+ // Source ends in .ll
+ OutputFilename = std::string(IFN.begin(), IFN.end()-3);
} else {
- std::string IFN = InputFilename;
- int Len = IFN.length();
- if (IFN[Len-3] == '.' && IFN[Len-2] == 'l' && IFN[Len-1] == 'l') {
- // Source ends in .ll
- OutputFilename = std::string(IFN.begin(), IFN.end()-3);
- } else {
- OutputFilename = IFN; // Append a .bc to it
- }
- OutputFilename += ".bc";
-
- if (!Force && std::ifstream(OutputFilename.c_str())) {
- // If force is not specified, make sure not to overwrite a file!
- cerr << argv[0] << ": error opening '" << OutputFilename
- << "': file exists!\n"
- << "Use -f command line argument to force output\n";
- return 1;
- }
-
- Out = new std::ofstream(OutputFilename.c_str(), std::ios::out |
- std::ios::trunc | std::ios::binary);
- // Make sure that the Out file gets unlinked from the disk if we get a
- // SIGINT
- sys::RemoveFileOnSignal(sys::Path(OutputFilename));
+ OutputFilename = IFN; // Append a .bc to it
}
+ OutputFilename += ".bc";
}
+ }
+
+ std::string ErrorInfo;
+ OwningPtr<tool_output_file> Out
+ (new tool_output_file(OutputFilename.c_str(), ErrorInfo,
+ raw_fd_ostream::F_Binary));
+ if (!ErrorInfo.empty()) {
+ errs() << ErrorInfo << '\n';
+ exit(1);
+ }
+
+ if (Force || !CheckBitcodeOutputToConsole(Out->os(), true))
+ WriteBitcodeToFile(M, Out->os());
+
+ // Declare success.
+ Out->keep();
+}
+
+int main(int argc, char **argv) {
+ // Print a stack trace if we signal out.
+ sys::PrintStackTraceOnErrorSignal();
+ PrettyStackTraceProgram X(argc, argv);
+ LLVMContext &Context = getGlobalContext();
+ llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
+ cl::ParseCommandLineOptions(argc, argv, "llvm .ll -> .bc assembler\n");
- if (!Out->good()) {
- cerr << argv[0] << ": error opening " << OutputFilename << "!\n";
+ // Parse the file now...
+ SMDiagnostic Err;
+ std::auto_ptr<Module> M(ParseAssemblyFile(InputFilename, Err, Context));
+ if (M.get() == 0) {
+ Err.print(argv[0], errs());
+ return 1;
+ }
+
+ if (!DisableVerify) {
+ std::string Err;
+ if (verifyModule(*M.get(), ReturnStatusAction, &Err)) {
+ errs() << argv[0]
+ << ": assembly parsed, but does not verify as correct!\n";
+ errs() << Err;
return 1;
}
-
- if (Force || !CheckBitcodeOutputToConsole(Out,true))
- WriteBitcodeToFile(M.get(), *Out);
- } catch (const std::string& msg) {
- cerr << argv[0] << ": " << msg << "\n";
- exitCode = 1;
- } catch (...) {
- cerr << argv[0] << ": Unexpected unknown exception occurred.\n";
- exitCode = 1;
}
- if (Out != &std::cout) delete Out;
- return exitCode;
-}
+ if (DumpAsm) errs() << "Here's the assembly:\n" << *M.get();
+
+ if (!DisableOutput)
+ WriteOutputFile(M.get());
+ return 0;
+}
projects / oota-llvm.git / blobdiff