//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Builds up (relatively) standard unix archive files (.a) containing LLVM
-// bytecode or other files.
+// bitcode or other files.
//
//===----------------------------------------------------------------------===//
-#include "llvm/Module.h"
-#include "llvm/Bytecode/Archive.h"
+#include "Archive.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/Module.h"
#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Compressor.h"
-#include "llvm/System/Signals.h"
-#include <iostream>
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Format.h"
+#include "llvm/Support/ManagedStatic.h"
+#include "llvm/Support/PrettyStackTrace.h"
+#include "llvm/Support/Signals.h"
+#include "llvm/Support/raw_ostream.h"
#include <algorithm>
-#include <iomanip>
+#include <cstdlib>
+#include <fcntl.h>
#include <memory>
+#if !defined(_MSC_VER) && !defined(__MINGW32__)
+#include <unistd.h>
+#else
+#include <io.h>
+#endif
+
using namespace llvm;
-// Option for compatibility with ASIX, not used but must allow it to be present.
+// Option for compatibility with AIX, not used but must allow it to be present.
static cl::opt<bool>
X32Option ("X32_64", cl::Hidden,
cl::desc("Ignored option for compatibility with AIX"));
" m[abiSs] - move file(s) in the archive\n"
" p[kN] - print file(s) found in the archive\n"
" q[ufsS] - quick append file(s) to the archive\n"
- " r[abfiuzRsS] - replace or insert file(s) into the archive\n"
+ " r[abfiuRsS] - replace or insert file(s) into the archive\n"
" t - display contents of archive\n"
" x[No] - extract file(s) from the archive\n"
"\nMODIFIERS (operation specific):\n"
" [a] - put file(s) after [relpos]\n"
" [b] - put file(s) before [relpos] (same as [i])\n"
- " [f] - truncate inserted file names\n"
" [i] - put file(s) before [relpos] (same as [b])\n"
- " [k] - always print bytecode files (default is to skip them)\n"
" [N] - use instance [count] of name\n"
" [o] - preserve original dates\n"
- " [P] - use full path names when matching\n"
- " [R] - recurse through directories when inserting\n"
" [s] - create an archive index (cf. ranlib)\n"
" [S] - do not build a symbol table\n"
" [u] - update only files newer than archive contents\n"
- " [z] - compress files before inserting/extracting\n"
"\nMODIFIERS (generic):\n"
" [c] - do not warn if the library had to be created\n"
" [v] - be verbose about actions taken\n"
- " [V] - be *really* verbose about actions taken\n"
);
// This enumeration delineates the kinds of operations on an archive
// that are permitted.
enum ArchiveOperation {
- NoOperation, ///< An operation hasn't been specified
Print, ///< Print the contents of the archive
Delete, ///< Delete the specified members
Move, ///< Move members to end or as given by {a,b,i} modifiers
bool AddAfter = false; ///< 'a' modifier
bool AddBefore = false; ///< 'b' modifier
bool Create = false; ///< 'c' modifier
-bool TruncateNames = false; ///< 'f' modifier
bool InsertBefore = false; ///< 'i' modifier
-bool DontSkipBytecode = false; ///< 'k' modifier
-bool UseCount = false; ///< 'N' modifier
bool OriginalDates = false; ///< 'o' modifier
-bool FullPath = false; ///< 'P' modifier
-bool RecurseDirectories = false; ///< 'R' modifier
bool SymTable = true; ///< 's' & 'S' modifiers
bool OnlyUpdate = false; ///< 'u' modifier
bool Verbose = false; ///< 'v' modifier
-bool ReallyVerbose = false; ///< 'V' modifier
-bool Compression = false; ///< 'z' modifier
// Relative Positional Argument (for insert/move). This variable holds
// the name of the archive member to which the 'a', 'b' or 'i' modifier
// one variable.
std::string RelPos;
-// Select which of multiple entries in the archive with the same name should be
-// used (specified with -N) for the delete and extract operations.
-int Count = 1;
-
// This variable holds the name of the archive file as given on the
// command line.
std::string ArchiveName;
// This variable holds the (possibly expanded) list of path objects that
// correspond to files we will
-std::set<sys::Path> Paths;
+std::set<std::string> Paths;
// The Archive object to which all the editing operations will be sent.
Archive* TheArchive = 0;
-// getRelPos - Extract the member filename from the command line for
-// the [relpos] argument associated with a, b, and i modifiers
-void getRelPos() {
- if(RestOfArgs.size() > 0) {
- RelPos = RestOfArgs[0];
- RestOfArgs.erase(RestOfArgs.begin());
- }
- else
- throw "Expected [relpos] for a, b, or i modifier";
+// The name this program was invoked as.
+static const char *program_name;
+
+// show_help - Show the error message, the help message and exit.
+LLVM_ATTRIBUTE_NORETURN static void
+show_help(const std::string &msg) {
+ errs() << program_name << ": " << msg << "\n\n";
+ cl::PrintHelpMessage();
+ if (TheArchive)
+ delete TheArchive;
+ std::exit(1);
}
-// getCount - Extract the [count] argument associated with the N modifier
-// from the command line and check its value.
-void getCount() {
- if(RestOfArgs.size() > 0) {
- Count = atoi(RestOfArgs[0].c_str());
- RestOfArgs.erase(RestOfArgs.begin());
- }
- else
- throw "Expected [count] value with N modifier";
+// fail - Show the error message and exit.
+LLVM_ATTRIBUTE_NORETURN static void
+fail(const std::string &msg) {
+ errs() << program_name << ": " << msg << "\n\n";
+ if (TheArchive)
+ delete TheArchive;
+ std::exit(1);
+}
- // Non-positive counts are not allowed
- if (Count < 1)
- throw "Invalid [count] value (not a positive integer)";
+// getRelPos - Extract the member filename from the command line for
+// the [relpos] argument associated with a, b, and i modifiers
+void getRelPos() {
+ if(RestOfArgs.size() == 0)
+ show_help("Expected [relpos] for a, b, or i modifier");
+ RelPos = RestOfArgs[0];
+ RestOfArgs.erase(RestOfArgs.begin());
}
// getArchive - Get the archive file name from the command line
void getArchive() {
- if(RestOfArgs.size() > 0) {
- ArchiveName = RestOfArgs[0];
- RestOfArgs.erase(RestOfArgs.begin());
- }
- else
- throw "An archive name must be specified.";
+ if(RestOfArgs.size() == 0)
+ show_help("An archive name must be specified");
+ ArchiveName = RestOfArgs[0];
+ RestOfArgs.erase(RestOfArgs.begin());
}
// getMembers - Copy over remaining items in RestOfArgs to our Members vector
unsigned NumPositional = 0;
// Keep track of which operation was requested
- ArchiveOperation Operation = NoOperation;
+ ArchiveOperation Operation;
for(unsigned i=0; i<Options.size(); ++i) {
switch(Options[i]) {
case 'd': ++NumOperations; Operation = Delete; break;
case 'm': ++NumOperations; Operation = Move ; break;
case 'p': ++NumOperations; Operation = Print; break;
+ case 'q': ++NumOperations; Operation = QuickAppend; break;
case 'r': ++NumOperations; Operation = ReplaceOrInsert; break;
case 't': ++NumOperations; Operation = DisplayTable; break;
case 'x': ++NumOperations; Operation = Extract; break;
case 'c': Create = true; break;
- case 'f': TruncateNames = true; break;
- case 'k': DontSkipBytecode = true; break;
case 'l': /* accepted but unused */ break;
case 'o': OriginalDates = true; break;
- case 'P': FullPath = true; break;
- case 'R': RecurseDirectories = true; break;
- case 's': SymTable = true; break;
- case 'S': SymTable = false; break;
+ case 's': break; // Ignore for now.
+ case 'S': break; // Ignore for now.
case 'u': OnlyUpdate = true; break;
case 'v': Verbose = true; break;
- case 'V': Verbose = ReallyVerbose = true; break;
- case 'z': Compression = true; break;
case 'a':
getRelPos();
AddAfter = true;
InsertBefore = true;
NumPositional++;
break;
- case 'N':
- getCount();
- UseCount = true;
- break;
default:
cl::PrintHelpMessage();
}
// Perform various checks on the operation/modifier specification
// to make sure we are dealing with a legal request.
if (NumOperations == 0)
- throw "You must specify at least one of the operations";
+ show_help("You must specify at least one of the operations");
if (NumOperations > 1)
- throw "Only one operation may be specified";
+ show_help("Only one operation may be specified");
if (NumPositional > 1)
- throw "You may only specify one of a, b, and i modifiers";
- if (AddAfter || AddBefore || InsertBefore)
+ show_help("You may only specify one of a, b, and i modifiers");
+ if (AddAfter || AddBefore || InsertBefore) {
if (Operation != Move && Operation != ReplaceOrInsert)
- throw "The 'a', 'b' and 'i' modifiers can only be specified with "
- "the 'm' or 'r' operations";
- if (RecurseDirectories && Operation != ReplaceOrInsert)
- throw "The 'R' modifiers is only applicabe to the 'r' operation";
+ show_help("The 'a', 'b' and 'i' modifiers can only be specified with "
+ "the 'm' or 'r' operations");
+ }
if (OriginalDates && Operation != Extract)
- throw "The 'o' modifier is only applicable to the 'x' operation";
- if (TruncateNames && Operation!=QuickAppend && Operation!=ReplaceOrInsert)
- throw "The 'f' modifier is only applicable to the 'q' and 'r' operations";
+ show_help("The 'o' modifier is only applicable to the 'x' operation");
if (OnlyUpdate && Operation != ReplaceOrInsert)
- throw "The 'u' modifier is only applicable to the 'r' operation";
- if (Compression && Operation!=ReplaceOrInsert && Operation!=Extract)
- throw "The 'z' modifier is only applicable to the 'r' and 'x' operations";
- if (Count > 1 && Members.size() > 1)
- throw "Only one member name may be specified with the 'N' modifier";
+ show_help("The 'u' modifier is only applicable to the 'r' operation");
// Return the parsed operation to the caller
return Operation;
}
-// recurseDirectories - Implements the "R" modifier. This function scans through
-// the Paths vector (built by buildPaths, below) and replaces any directories it
-// finds with all the files in that directory (recursively). It uses the
-// sys::Path::getDirectoryContent method to perform the actual directory scans.
-std::set<sys::Path> recurseDirectories(const sys::Path& path) {
- assert(path.isDirectory() && "Oops, can't recurse a file");
- std::set<sys::Path> result;
- if (RecurseDirectories) {
- std::set<sys::Path> content;
- path.getDirectoryContents(content);
- for (std::set<sys::Path>::iterator I = content.begin(), E = content.end();
- I != E; ++I) {
- if (I->isDirectory()) {
- std::set<sys::Path> moreResults = recurseDirectories(*I);
- result.insert(moreResults.begin(), moreResults.end());
- } else {
- result.insert(*I);
- }
- }
- }
- return result;
-}
-
// buildPaths - Convert the strings in the Members vector to sys::Path objects
// and make sure they are valid and exist exist. This check is only needed for
// the operations that add/replace files to the archive ('q' and 'r')
-void buildPaths(bool checkExistence = true) {
+bool buildPaths(bool checkExistence, std::string* ErrMsg) {
for (unsigned i = 0; i < Members.size(); i++) {
- sys::Path aPath;
- if (!aPath.set(Members[i]))
- throw std::string("File member name invalid: ") + Members[i];
+ std::string aPath = Members[i];
if (checkExistence) {
- if (!aPath.exists())
- throw std::string("File does not exist: ") + Members[i];
- sys::FileStatus si;
- std::string Err;
- if (aPath.getFileStatus(si, &Err))
- throw Err;
- if (si.isDir) {
- std::set<sys::Path> dirpaths = recurseDirectories(aPath);
- Paths.insert(dirpaths.begin(),dirpaths.end());
- } else {
- Paths.insert(aPath);
- }
+ bool IsDirectory;
+ error_code EC = sys::fs::is_directory(aPath, IsDirectory);
+ if (EC)
+ fail(aPath + ": " + EC.message());
+ if (IsDirectory)
+ fail(aPath + " Is a directory");
+
+ Paths.insert(aPath);
} else {
Paths.insert(aPath);
}
}
-}
-
-// printSymbolTable - print out the archive's symbol table.
-void printSymbolTable() {
- std::cout << "\nArchive Symbol Table:\n";
- const Archive::SymTabType& symtab = TheArchive->getSymbolTable();
- for (Archive::SymTabType::const_iterator I=symtab.begin(), E=symtab.end();
- I != E; ++I ) {
- unsigned offset = TheArchive->getFirstFileOffset() + I->second;
- std::cout << " " << std::setw(9) << offset << "\t" << I->first <<"\n";
- }
+ return false;
}
// doPrint - Implements the 'p' operation. This function traverses the archive
// looking for members that match the path list. It is careful to uncompress
-// things that should be and to skip bytecode files unless the 'k' modifier was
+// things that should be and to skip bitcode files unless the 'k' modifier was
// given.
-void doPrint() {
- buildPaths(false);
- unsigned countDown = Count;
+bool doPrint(std::string* ErrMsg) {
+ if (buildPaths(false, ErrMsg))
+ return true;
for (Archive::iterator I = TheArchive->begin(), E = TheArchive->end();
I != E; ++I ) {
if (Paths.empty() ||
(std::find(Paths.begin(), Paths.end(), I->getPath()) != Paths.end())) {
- if (countDown == 1) {
- const char* data = reinterpret_cast<const char*>(I->getData());
+ const char *data = reinterpret_cast<const char *>(I->getData());
- // Skip things that don't make sense to print
- if (I->isLLVMSymbolTable() || I->isSVR4SymbolTable() ||
- I->isBSD4SymbolTable() || (!DontSkipBytecode &&
- (I->isBytecode() || I->isCompressedBytecode())))
- continue;
+ // Skip things that don't make sense to print
+ if (I->isSVR4SymbolTable() || I->isBSD4SymbolTable())
+ continue;
- if (Verbose)
- std::cout << "Printing " << I->getPath().toString() << "\n";
+ if (Verbose)
+ outs() << "Printing " << I->getPath().str() << "\n";
- if (I->isCompressedBytecode())
- Compressor::decompressToStream(data+4,I->getSize()-4,std::cout);
- else if (I->isCompressed()) {
- Compressor::decompressToStream(data,I->getSize(),std::cout);
- } else {
- unsigned len = I->getSize();
- std::cout.write(data, len);
- }
- } else {
- countDown--;
- }
+ unsigned len = I->getSize();
+ outs().write(data, len);
}
}
+ return false;
}
// putMode - utility function for printing out the file mode when the 't'
// operation is in verbose mode.
-void printMode(unsigned mode) {
+void
+printMode(unsigned mode) {
if (mode & 004)
- std::cout << "r";
+ outs() << "r";
else
- std::cout << "-";
+ outs() << "-";
if (mode & 002)
- std::cout << "w";
+ outs() << "w";
else
- std::cout << "-";
+ outs() << "-";
if (mode & 001)
- std::cout << "x";
+ outs() << "x";
else
- std::cout << "-";
+ outs() << "-";
}
// doDisplayTable - Implement the 't' operation. This function prints out just
// the file names of each of the members. However, if verbose mode is requested
// ('v' modifier) then the file type, permission mode, user, group, size, and
// modification time are also printed.
-void doDisplayTable() {
- buildPaths(false);
+bool
+doDisplayTable(std::string* ErrMsg) {
+ if (buildPaths(false, ErrMsg))
+ return true;
for (Archive::iterator I = TheArchive->begin(), E = TheArchive->end();
I != E; ++I ) {
if (Paths.empty() ||
(std::find(Paths.begin(), Paths.end(), I->getPath()) != Paths.end())) {
if (Verbose) {
- // FIXME: Output should be this format:
- // Zrw-r--r-- 500/ 500 525 Nov 8 17:42 2004 Makefile
- if (I->isBytecode())
- std::cout << "b";
- else if (I->isCompressedBytecode())
- std::cout << "B";
- else if (I->isCompressed())
- std::cout << "Z";
- else
- std::cout << " ";
unsigned mode = I->getMode();
printMode((mode >> 6) & 007);
printMode((mode >> 3) & 007);
printMode(mode & 007);
- std::cout << " " << std::setw(4) << I->getUser();
- std::cout << "/" << std::setw(4) << I->getGroup();
- std::cout << " " << std::setw(8) << I->getSize();
- std::cout << " " << std::setw(20) <<
- I->getModTime().toString().substr(4);
- std::cout << " " << I->getPath().toString() << "\n";
+ outs() << ' ' << I->getUser();
+ outs() << "/" << I->getGroup();
+ outs() << ' ' << format("%6u", I->getSize());
+ sys::TimeValue ModTime = I->getModTime();
+ outs() << " " << ModTime.str();
+ outs() << " " << I->getPath().str() << "\n";
} else {
- std::cout << I->getPath().toString() << "\n";
+ outs() << I->getPath().str() << "\n";
}
}
}
- if (ReallyVerbose)
- printSymbolTable();
+ return false;
}
// doExtract - Implement the 'x' operation. This function extracts files back to
-// the file system, making sure to uncompress any that were compressed.
-void doExtract() {
- buildPaths(false);
- unsigned countDown = Count;
+// the file system.
+bool
+doExtract(std::string* ErrMsg) {
+ if (buildPaths(false, ErrMsg))
+ return true;
for (Archive::iterator I = TheArchive->begin(), E = TheArchive->end();
I != E; ++I ) {
if (Paths.empty() ||
(std::find(Paths.begin(), Paths.end(), I->getPath()) != Paths.end())) {
- // Make sure the intervening directories are created
- if (I->hasPath()) {
- sys::Path dirs(I->getPath());
- dirs.eraseComponent();
- dirs.createDirectoryOnDisk(/*create_parents=*/true);
- }
-
// Open up a file stream for writing
- std::ios::openmode io_mode = std::ios::out | std::ios::trunc |
- std::ios::binary;
- std::ofstream file(I->getPath().c_str(), io_mode);
+ int OpenFlags = O_TRUNC | O_WRONLY | O_CREAT;
+#ifdef O_BINARY
+ OpenFlags |= O_BINARY;
+#endif
- // Get the data and its length
- const char* data = reinterpret_cast<const char*>(I->getData());
- unsigned len = I->getSize();
+ // Retain the original mode.
+ sys::fs::perms Mode = sys::fs::perms(I->getMode());
- // Write the data, making sure to uncompress things first
- if (I->isCompressed()) {
- Compressor::decompressToStream(data,len,file);
- } else {
- file.write(data,len);
+ int FD = open(I->getPath().str().c_str(), OpenFlags, Mode);
+ if (FD < 0)
+ return true;
+
+ {
+ raw_fd_ostream file(FD, false);
+
+ // Get the data and its length
+ const char* data = reinterpret_cast<const char*>(I->getData());
+ unsigned len = I->getSize();
+
+ // Write the data.
+ file.write(data, len);
}
- file.close();
// If we're supposed to retain the original modification times, etc. do so
// now.
- if (OriginalDates)
- I->getPath().setStatusInfoOnDisk(I->getFileStatus());
+ if (OriginalDates) {
+ error_code EC =
+ sys::fs::setLastModificationAndAccessTime(FD, I->getModTime());
+ if (EC)
+ fail(EC.message());
+ }
+ if (close(FD))
+ return true;
}
}
+ return false;
}
// doDelete - Implement the delete operation. This function deletes zero or more
// members from the archive. Note that if the count is specified, there should
// be no more than one path in the Paths list or else this algorithm breaks.
// That check is enforced in parseCommandLine (above).
-void doDelete() {
- buildPaths(false);
- if (Paths.empty()) return;
- unsigned countDown = Count;
+bool
+doDelete(std::string* ErrMsg) {
+ if (buildPaths(false, ErrMsg))
+ return true;
+ if (Paths.empty())
+ return false;
for (Archive::iterator I = TheArchive->begin(), E = TheArchive->end();
I != E; ) {
if (std::find(Paths.begin(), Paths.end(), I->getPath()) != Paths.end()) {
- if (countDown == 1) {
- Archive::iterator J = I;
- ++I;
- TheArchive->erase(J);
- } else
- countDown--;
+ Archive::iterator J = I;
+ ++I;
+ TheArchive->erase(J);
} else {
++I;
}
}
// We're done editting, reconstruct the archive.
- std::string errmsg;
- if (!TheArchive->writeToDisk(SymTable,TruncateNames,Compression,&errmsg))
- throw errmsg;
- if (ReallyVerbose)
- printSymbolTable();
+ if (TheArchive->writeToDisk(ErrMsg))
+ return true;
+ return false;
}
// doMore - Implement the move operation. This function re-arranges just the
// order of the archive members so that when the archive is written the move
// of the members is accomplished. Note the use of the RelPos variable to
// determine where the items should be moved to.
-void doMove() {
-
- buildPaths(false);
+bool
+doMove(std::string* ErrMsg) {
+ if (buildPaths(false, ErrMsg))
+ return true;
// By default and convention the place to move members to is the end of the
// archive.
if (AddBefore || InsertBefore || AddAfter) {
for (Archive::iterator I = TheArchive->begin(), E= TheArchive->end();
I != E; ++I ) {
- if (RelPos == I->getPath().toString()) {
+ if (RelPos == I->getPath().str()) {
if (AddAfter) {
moveto_spot = I;
moveto_spot++;
}
// Keep a list of the paths remaining to be moved
- std::set<sys::Path> remaining(Paths);
+ std::set<std::string> remaining(Paths);
// Scan the archive again, this time looking for the members to move to the
// moveto_spot.
for (Archive::iterator I = TheArchive->begin(), E= TheArchive->end();
I != E && !remaining.empty(); ++I ) {
- std::set<sys::Path>::iterator found =
- std::find(remaining.begin(),remaining.end(),I->getPath());
+ std::set<std::string>::iterator found =
+ std::find(remaining.begin(),remaining.end(), I->getPath());
if (found != remaining.end()) {
if (I != moveto_spot)
TheArchive->splice(moveto_spot,*TheArchive,I);
}
// We're done editting, reconstruct the archive.
- std::string errmsg;
- if (!TheArchive->writeToDisk(SymTable,TruncateNames,Compression,&errmsg))
- throw errmsg;
- if (ReallyVerbose)
- printSymbolTable();
+ if (TheArchive->writeToDisk(ErrMsg))
+ return true;
+ return false;
}
// doQuickAppend - Implements the 'q' operation. This function just
// indiscriminantly adds the members to the archive and rebuilds it.
-void doQuickAppend() {
+bool
+doQuickAppend(std::string* ErrMsg) {
// Get the list of paths to append.
- buildPaths(true);
- if (Paths.empty()) return;
+ if (buildPaths(true, ErrMsg))
+ return true;
+ if (Paths.empty())
+ return false;
// Append them quickly.
- for (std::set<sys::Path>::iterator PI = Paths.begin(), PE = Paths.end();
+ for (std::set<std::string>::iterator PI = Paths.begin(), PE = Paths.end();
PI != PE; ++PI) {
- TheArchive->addFileBefore(*PI,TheArchive->end());
+ if (TheArchive->addFileBefore(*PI, TheArchive->end(), ErrMsg))
+ return true;
}
// We're done editting, reconstruct the archive.
- std::string errmsg;
- if (!TheArchive->writeToDisk(SymTable,TruncateNames,Compression,&errmsg))
- throw errmsg;
- if (ReallyVerbose)
- printSymbolTable();
+ if (TheArchive->writeToDisk(ErrMsg))
+ return true;
+ return false;
}
// doReplaceOrInsert - Implements the 'r' operation. This function will replace
// any existing files or insert new ones into the archive.
-void doReplaceOrInsert() {
+bool
+doReplaceOrInsert(std::string* ErrMsg) {
// Build the list of files to be added/replaced.
- buildPaths(true);
- if (Paths.empty()) return;
+ if (buildPaths(true, ErrMsg))
+ return true;
+ if (Paths.empty())
+ return false;
// Keep track of the paths that remain to be inserted.
- std::set<sys::Path> remaining(Paths);
+ std::set<std::string> remaining(Paths);
// Default the insertion spot to the end of the archive
Archive::iterator insert_spot = TheArchive->end();
// Determine if this archive member matches one of the paths we're trying
// to replace.
- std::set<sys::Path>::iterator found = remaining.end();
- for (std::set<sys::Path>::iterator RI = remaining.begin(),
+ std::set<std::string>::iterator found = remaining.end();
+ for (std::set<std::string>::iterator RI = remaining.begin(),
RE = remaining.end(); RI != RE; ++RI ) {
- std::string compare(RI->toString());
- if (TruncateNames && compare.length() > 15) {
- const char* nm = compare.c_str();
- unsigned len = compare.length();
- size_t slashpos = compare.rfind('/');
- if (slashpos != std::string::npos) {
- nm += slashpos + 1;
- len -= slashpos +1;
- }
- if (len > 15)
- len = 15;
- compare.assign(nm,len);
- }
- if (compare == I->getPath().toString()) {
+ std::string compare(sys::path::filename(*RI));
+ if (compare == I->getPath().str()) {
found = RI;
break;
}
}
if (found != remaining.end()) {
- sys::FileStatus si;
- std::string Err;
- if (found->getFileStatus(si, &Err))
- throw Err;
- if (si.isDir) {
+ sys::fs::file_status Status;
+ error_code EC = sys::fs::status(*found, Status);
+ if (EC)
+ return true;
+ if (!sys::fs::is_directory(Status)) {
if (OnlyUpdate) {
// Replace the item only if it is newer.
- if (si.modTime > I->getModTime())
- I->replaceWith(*found);
+ if (Status.getLastModificationTime() > I->getModTime())
+ if (I->replaceWith(*found, ErrMsg))
+ return true;
} else {
// Replace the item regardless of time stamp
- I->replaceWith(*found);
+ if (I->replaceWith(*found, ErrMsg))
+ return true;
}
} else {
// We purposefully ignore directories.
}
// Determine if this is the place where we should insert
- if ((AddBefore || InsertBefore) && (RelPos == I->getPath().toString()))
+ if ((AddBefore || InsertBefore) && RelPos == I->getPath().str())
insert_spot = I;
- else if (AddAfter && (RelPos == I->getPath().toString())) {
+ else if (AddAfter && RelPos == I->getPath().str()) {
insert_spot = I;
insert_spot++;
}
// If we didn't replace all the members, some will remain and need to be
// inserted at the previously computed insert-spot.
if (!remaining.empty()) {
- for (std::set<sys::Path>::iterator PI = remaining.begin(),
+ for (std::set<std::string>::iterator PI = remaining.begin(),
PE = remaining.end(); PI != PE; ++PI) {
- TheArchive->addFileBefore(*PI,insert_spot);
+ if (TheArchive->addFileBefore(*PI, insert_spot, ErrMsg))
+ return true;
}
}
// We're done editting, reconstruct the archive.
- std::string errmsg;
- if (!TheArchive->writeToDisk(SymTable,TruncateNames,Compression,&errmsg))
- throw errmsg;
- if (ReallyVerbose)
- printSymbolTable();
+ if (TheArchive->writeToDisk(ErrMsg))
+ return true;
+ return false;
+}
+
+bool shouldCreateArchive(ArchiveOperation Op) {
+ switch (Op) {
+ case Print:
+ case Delete:
+ case Move:
+ case DisplayTable:
+ case Extract:
+ return false;
+
+ case QuickAppend:
+ case ReplaceOrInsert:
+ return true;
+ }
+
+ llvm_unreachable("Missing entry in covered switch.");
}
// main - main program for llvm-ar .. see comments in the code
int main(int argc, char **argv) {
+ program_name = argv[0];
+ // 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.
// Have the command line options parsed and handle things
// like --help and --version.
cl::ParseCommandLineOptions(argc, argv,
- " LLVM Archiver (llvm-ar)\n\n"
- " This program archives bytecode files into single libraries\n"
+ "LLVM Archiver (llvm-ar)\n\n"
+ " This program archives bitcode files into single libraries\n"
);
- // Print a stack trace if we signal out.
- sys::PrintStackTraceOnErrorSignal();
-
int exitCode = 0;
- // Make sure we don't exit with "unhandled exception".
- try {
- // Do our own parsing of the command line because the CommandLine utility
- // can't handle the grouped positional parameters without a dash.
- ArchiveOperation Operation = parseCommandLine();
-
- // Check the path name of the archive
- sys::Path ArchivePath;
- if (!ArchivePath.set(ArchiveName))
- throw std::string("Archive name invalid: ") + ArchiveName;
-
- // Create or open the archive object.
- if (!ArchivePath.exists()) {
- // Produce a warning if we should and we're creating the archive
- if (!Create)
- std::cerr << argv[0] << ": creating " << ArchivePath.toString() << "\n";
- TheArchive = Archive::CreateEmpty(ArchivePath);
- } else {
- std::string Error;
- TheArchive = Archive::OpenAndLoad(ArchivePath, &Error);
- if (TheArchive == 0) {
- std::cerr << argv[0] << ": error loading '" << ArchivePath << "': "
- << Error << "!\n";
- return 1;
- }
- }
+ // Do our own parsing of the command line because the CommandLine utility
+ // can't handle the grouped positional parameters without a dash.
+ ArchiveOperation Operation = parseCommandLine();
+
+ // Create or open the archive object.
+ if (shouldCreateArchive(Operation) && !llvm::sys::fs::exists(ArchiveName)) {
+ // Produce a warning if we should and we're creating the archive
+ if (!Create)
+ errs() << argv[0] << ": creating " << ArchiveName << "\n";
+ TheArchive = Archive::CreateEmpty(ArchiveName, Context);
+ TheArchive->writeToDisk();
+ }
- // Make sure we're not fooling ourselves.
- assert(TheArchive && "Unable to instantiate the archive");
-
- // Make sure we clean up the archive even on failure.
- std::auto_ptr<Archive> AutoArchive(TheArchive);
-
- // Perform the operation
- switch (Operation) {
- case Print: doPrint(); break;
- case Delete: doDelete(); break;
- case Move: doMove(); break;
- case QuickAppend: /* FALL THROUGH */
- case ReplaceOrInsert: doReplaceOrInsert(); break;
- case DisplayTable: doDisplayTable(); break;
- case Extract: doExtract(); break;
- case NoOperation:
- std::cerr << argv[0] << ": No operation was selected.\n";
- break;
+ if (!TheArchive) {
+ std::string Error;
+ TheArchive = Archive::OpenAndLoad(ArchiveName, Context, &Error);
+ if (TheArchive == 0) {
+ errs() << argv[0] << ": error loading '" << ArchiveName << "': "
+ << Error << "!\n";
+ return 1;
}
- } catch (const char*msg) {
- // These errors are usage errors, thrown only by the various checks in the
- // code above.
- std::cerr << argv[0] << ": " << msg << "\n\n";
- cl::PrintHelpMessage();
- exitCode = 1;
- } catch (const std::string& msg) {
- // These errors are thrown by LLVM libraries (e.g. lib System) and represent
- // a more serious error so we bump the exitCode and don't print the usage.
- std::cerr << argv[0] << ": " << msg << "\n";
- exitCode = 2;
- } catch (...) {
- // This really shouldn't happen, but just in case ....
- std::cerr << argv[0] << ": An unexpected unknown exception occurred.\n";
- exitCode = 3;
}
+ // Make sure we're not fooling ourselves.
+ assert(TheArchive && "Unable to instantiate the archive");
+
+ // Perform the operation
+ std::string ErrMsg;
+ bool haveError = false;
+ switch (Operation) {
+ case Print: haveError = doPrint(&ErrMsg); break;
+ case Delete: haveError = doDelete(&ErrMsg); break;
+ case Move: haveError = doMove(&ErrMsg); break;
+ case QuickAppend: haveError = doQuickAppend(&ErrMsg); break;
+ case ReplaceOrInsert: haveError = doReplaceOrInsert(&ErrMsg); break;
+ case DisplayTable: haveError = doDisplayTable(&ErrMsg); break;
+ case Extract: haveError = doExtract(&ErrMsg); break;
+ }
+ if (haveError) {
+ errs() << argv[0] << ": " << ErrMsg << "\n";
+ return 1;
+ }
+
+ delete TheArchive;
+ TheArchive = 0;
+
// Return result code back to operating system.
return exitCode;
}