mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-18 12:29:21 +00:00
New command line parsing. This isn't as perfect as I would have liked. The CommandLine Library needs to be extended, in order to parse the options and allow for optional dashes. In addition, the help option isn't correct since I do the parsing mostly myself. But this is in the ocorrect ar format.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10297 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
parent
d180300c92
commit
57bd796604
@ -35,58 +35,68 @@ using std::cout;
|
||||
#define ARFMAG "\n" /* header trailer string */
|
||||
#define ARMAG "!<arch>\n" /* magic string */
|
||||
#define SARMAG 8 /* length of magic string */
|
||||
#define VERSION "llvm-ar is a part of the LLVM compiler infrastructure.\nPlease see http://llvm.cs.uiuc.edu for more information.\n";
|
||||
|
||||
namespace {
|
||||
|
||||
// Each file member is preceded by a file member header. Which is
|
||||
// of the following format:
|
||||
//
|
||||
// char ar_name[16] - '/' terminated file member name.
|
||||
// If the file name does not fit, a dummy name is used.
|
||||
// char ar_date[12] - file date in decimal
|
||||
// char ar_uid[6] - User id of file owner in decimal.
|
||||
// char ar_gid[6] - Group ID file belongs to in decimal.
|
||||
// char ar_mode[8] - File mode in octal.
|
||||
// char ar_size[10] - Size of file in decimal.
|
||||
// char ar_fmag[2] - Trailer of header file, a newline.
|
||||
struct ar_hdr {
|
||||
char name[16];
|
||||
char date[12];
|
||||
char uid[6];
|
||||
char gid[6];
|
||||
char mode[8];
|
||||
char size[10];
|
||||
char fmag[2];
|
||||
void init() {
|
||||
memset(name,' ',16);
|
||||
memset(date,' ',12);
|
||||
memset(uid,' ',6);
|
||||
memset(gid,' ',6);
|
||||
memset(mode,' ',8);
|
||||
memset(size,' ',10);
|
||||
memset(fmag,' ',2);
|
||||
// Each file member is preceded by a file member header. Which is
|
||||
// of the following format:
|
||||
//
|
||||
// char ar_name[16] - '/' terminated file member name.
|
||||
// If the file name does not fit, a dummy name is used.
|
||||
// char ar_date[12] - file date in decimal
|
||||
// char ar_uid[6] - User id of file owner in decimal.
|
||||
// char ar_gid[6] - Group ID file belongs to in decimal.
|
||||
// char ar_mode[8] - File mode in octal.
|
||||
// char ar_size[10] - Size of file in decimal.
|
||||
// char ar_fmag[2] - Trailer of header file, a newline.
|
||||
struct ar_hdr {
|
||||
char name[16];
|
||||
char date[12];
|
||||
char uid[6];
|
||||
char gid[6];
|
||||
char mode[8];
|
||||
char size[10];
|
||||
char fmag[2];
|
||||
void init() {
|
||||
memset(name,' ',16);
|
||||
memset(date,' ',12);
|
||||
memset(uid,' ',6);
|
||||
memset(gid,' ',6);
|
||||
memset(mode,' ',8);
|
||||
memset(size,' ',10);
|
||||
memset(fmag,' ',2);
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
//Option to generate symbol table or not
|
||||
//running llvm-ar -s is the same as ranlib
|
||||
cl::opt<bool> SymbolTableOption ("s", cl::desc("Generate an archive symbol table"));
|
||||
|
||||
//Archive name
|
||||
cl::opt<string> Archive (cl::Positional, cl::desc("<archive file>"),
|
||||
cl::Required);
|
||||
|
||||
//For now we require one or more member files, this should change so
|
||||
//we can just run llvm-ar -s on an archive to generate the symbol
|
||||
//table
|
||||
cl::list<string> Members(cl::ConsumeAfter, cl::desc("<archive members>..."));
|
||||
};
|
||||
|
||||
|
||||
static inline bool Error(std::string *ErrorStr, const char *Message) {
|
||||
if (ErrorStr) *ErrorStr = Message;
|
||||
return true;
|
||||
}
|
||||
//Option for X32_64, not used but must allow it to be present.
|
||||
cl::opt<bool> X32Option ("X32_64", cl::desc("Ignored option spelt -X32_64, for compatibility with AIX"), cl::Optional);
|
||||
|
||||
//llvm-ar options
|
||||
cl::opt<string> Options(cl::Positional, cl::desc("{dmpqrstx}[abcfilNoPsSuvV] "), cl::Required);
|
||||
|
||||
//llvm-ar options
|
||||
cl::list<string> RestofArgs(cl::Positional, cl::desc("[relpos] [count]] <archive-file> [members..]"), cl::Optional);
|
||||
|
||||
//booleans to represent Operation, only one can be preformed at a time
|
||||
bool Print, Delete, Move, QuickAppend, InsertWithReplacement, DisplayTable;
|
||||
bool Extract;
|
||||
|
||||
//Modifiers to follow operation to vary behavior
|
||||
bool AddAfter, AddBefore, Create, TruncateNames, InsertBefore, UseCount;
|
||||
bool OriginalDates, FullPath, SymTable, OnlyUpdate, Verbose;
|
||||
|
||||
//Realtive Pos Arg
|
||||
string RelPos;
|
||||
|
||||
//Count, use for multiple entries in the archive with the same name
|
||||
int Count;
|
||||
|
||||
//Archive
|
||||
string Archive;
|
||||
|
||||
//Member Files
|
||||
vector<string> Members;
|
||||
|
||||
|
||||
// WriteSymbolTable - Writes symbol table to ArchiveFile, return false
|
||||
@ -249,12 +259,14 @@ bool WriteSymbolTable(std::ofstream &ArchiveFile) {
|
||||
//
|
||||
bool AddMemberToArchive(string Member, std::ofstream &ArchiveFile) {
|
||||
|
||||
cout << "Member File Start: " << ArchiveFile.tellp() << "\n";
|
||||
|
||||
ar_hdr Hdr; //Header for archive member file.
|
||||
|
||||
//stat the file to get info
|
||||
struct stat StatBuf;
|
||||
if (stat(Member.c_str(), &StatBuf) == -1 || StatBuf.st_size == 0)
|
||||
cout << "ERROR\n";
|
||||
return false;
|
||||
|
||||
//fill in header
|
||||
|
||||
@ -316,6 +328,8 @@ bool AddMemberToArchive(string Member, std::ofstream &ArchiveFile) {
|
||||
// Unmmap the memberfile
|
||||
munmap((char*)buf, Length);
|
||||
|
||||
cout << "Member File End: " << ArchiveFile.tellp() << "\n";
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@ -324,6 +338,8 @@ bool AddMemberToArchive(string Member, std::ofstream &ArchiveFile) {
|
||||
//
|
||||
void CreateArchive() {
|
||||
|
||||
std::cerr << "Archive File: " << Archive << "\n";
|
||||
|
||||
//Create archive file for output.
|
||||
std::ofstream ArchiveFile(Archive.c_str());
|
||||
|
||||
@ -337,7 +353,7 @@ void CreateArchive() {
|
||||
ArchiveFile << ARMAG;
|
||||
|
||||
//If the '-s' option was specified, generate symbol table.
|
||||
if(SymbolTableOption) {
|
||||
if(SymTable) {
|
||||
cout << "Symbol Table Start: " << ArchiveFile.tellp() << "\n";
|
||||
if(!WriteSymbolTable(ArchiveFile)) {
|
||||
std::cerr << "Error creating symbol table. Exiting program.";
|
||||
@ -346,31 +362,204 @@ void CreateArchive() {
|
||||
cout << "Symbol Table End: " << ArchiveFile.tellp() << "\n";
|
||||
}
|
||||
//Loop over all member files, and add to the archive.
|
||||
for(unsigned i=0; i<Members.size(); ++i) {
|
||||
for(unsigned i=0; i < Members.size(); ++i) {
|
||||
if(ArchiveFile.tellp() % 2 != 0)
|
||||
ArchiveFile << ARFMAG;
|
||||
|
||||
cout << "Member File Start: " << ArchiveFile.tellp() << "\n";
|
||||
|
||||
if(AddMemberToArchive(Members[i],ArchiveFile) != true) {
|
||||
std::cerr << "Error adding file to archive. Exiting program.";
|
||||
std::cerr << "Error adding " << Members[i] << "to archive. Exiting program.\n";
|
||||
exit(1);
|
||||
}
|
||||
cout << "Member File End: " << ArchiveFile.tellp() << "\n";
|
||||
}
|
||||
|
||||
//Close archive file.
|
||||
ArchiveFile.close();
|
||||
}
|
||||
|
||||
//Print out usage for errors in command line
|
||||
void printUse() {
|
||||
std::cout << "USAGE: ar [-X32_64] [-]{dmpqrstx}[abcfilNoPsSuvV] [member-name] [count] archive-file [files..]\n\n";
|
||||
|
||||
std::cout << "commands:\n" <<
|
||||
"d - delete file(s) from the archive\n"
|
||||
<< "m[ab] - move file(s) in the archive\n"
|
||||
<< "p - print file(s) found in the archive\n"
|
||||
<< "q[f] - quick append file(s) to the archive\n"
|
||||
<< "r[ab][f][u] - replace existing or insert new file(s) into the archive\n"
|
||||
<< "t - display contents of archive\n"
|
||||
<< "x[o] - extract file(s) from the archive\n";
|
||||
|
||||
std::cout << "\ncommand specific modifiers:\n"
|
||||
<< "[a] - put file(s) after [member-name]\n"
|
||||
<< "[b] - put file(s) before [member-name] (same as [i])\n"
|
||||
<< "[N] - use instance [count] of name\n"
|
||||
<< "[f] - truncate inserted file names\n"
|
||||
<< "[P] - use full path names when matching\n"
|
||||
<< "[o] - preserve original dates\n"
|
||||
<< "[u] - only replace files that are newer than current archive contents\n";
|
||||
|
||||
std::cout << "generic modifiers:\n"
|
||||
<< "[c] - do not warn if the library had to be created\n"
|
||||
<< "[s] - create an archive index (cf. ranlib)\n"
|
||||
<< "[S] - do not build a symbol table\n"
|
||||
<< "[v] - be verbose\n"
|
||||
<< "[V] - display the version number\n";
|
||||
exit(1);
|
||||
}
|
||||
|
||||
|
||||
//Print version
|
||||
void printVersion() {
|
||||
cout << VERSION;
|
||||
exit(0);
|
||||
}
|
||||
|
||||
//Extract the memberfile name from the command line
|
||||
void getRelPos() {
|
||||
if(RestofArgs.size() > 0) {
|
||||
RelPos = RestofArgs[0];
|
||||
RestofArgs.erase(RestofArgs.begin());
|
||||
}
|
||||
//Throw error if needed and not present
|
||||
else
|
||||
printUse();
|
||||
}
|
||||
|
||||
//Extract count from the command line
|
||||
void getCount() {
|
||||
if(RestofArgs.size() > 0) {
|
||||
Count = atoi(RestofArgs[0].c_str());
|
||||
RestofArgs.erase(RestofArgs.begin());
|
||||
}
|
||||
//Throw error if needed and not present
|
||||
else
|
||||
printUse();
|
||||
}
|
||||
|
||||
//Get the Archive File Name from the command line
|
||||
void getArchive() {
|
||||
std::cerr << RestofArgs.size() << "\n";
|
||||
if(RestofArgs.size() > 0) {
|
||||
Archive = RestofArgs[0];
|
||||
RestofArgs.erase(RestofArgs.begin());
|
||||
}
|
||||
//Throw error if needed and not present
|
||||
else
|
||||
printUse();
|
||||
}
|
||||
|
||||
|
||||
//Copy over remaining items in RestofArgs to our Member File vector.
|
||||
//This is just for clarity.
|
||||
void getMembers() {
|
||||
std::cerr << RestofArgs.size() << "\n";
|
||||
if(RestofArgs.size() > 0)
|
||||
Members = vector<string>(RestofArgs);
|
||||
}
|
||||
|
||||
// Parse the operations and operation modifiers
|
||||
// FIXME: Not all of these options has been implemented, but we still
|
||||
// do all the command line parsing for them.
|
||||
void parseCL() {
|
||||
|
||||
//Keep track of number of operations. We can only specify one
|
||||
//per execution
|
||||
unsigned NumOperations = 0;
|
||||
|
||||
for(unsigned i=0; i<Options.size(); ++i) {
|
||||
switch(Options[i]) {
|
||||
case 'd':
|
||||
++NumOperations;
|
||||
Delete = true;
|
||||
break;
|
||||
case 'm':
|
||||
++NumOperations;
|
||||
Move = true;
|
||||
break;
|
||||
case 'p':
|
||||
++NumOperations;
|
||||
Print = true;
|
||||
break;
|
||||
case 'r':
|
||||
++NumOperations;
|
||||
InsertWithReplacement = true;
|
||||
break;
|
||||
case 't':
|
||||
++NumOperations;
|
||||
DisplayTable = true;
|
||||
break;
|
||||
case 'x':
|
||||
++NumOperations;
|
||||
Extract = true;
|
||||
break;
|
||||
case 'a':
|
||||
AddAfter = true;
|
||||
getRelPos();
|
||||
break;
|
||||
case 'b':
|
||||
AddBefore = true;
|
||||
getRelPos();
|
||||
break;
|
||||
case 'c':
|
||||
Create = true;
|
||||
break;
|
||||
case 'f':
|
||||
TruncateNames = true;
|
||||
break;
|
||||
case 'i':
|
||||
InsertBefore = true;
|
||||
getRelPos();
|
||||
break;
|
||||
case 'l':
|
||||
break;
|
||||
case 'N':
|
||||
UseCount = true;
|
||||
getCount();
|
||||
break;
|
||||
case 'o':
|
||||
OriginalDates = true;
|
||||
break;
|
||||
case 'P':
|
||||
FullPath = true;
|
||||
break;
|
||||
case 's':
|
||||
SymTable = true;
|
||||
break;
|
||||
case 'S':
|
||||
SymTable = false;
|
||||
break;
|
||||
case 'u':
|
||||
OnlyUpdate = true;
|
||||
break;
|
||||
case 'v':
|
||||
Verbose = true;
|
||||
break;
|
||||
case 'V':
|
||||
printVersion();
|
||||
break;
|
||||
default:
|
||||
printUse();
|
||||
}
|
||||
}
|
||||
|
||||
//Check that only one operation has been specified
|
||||
if(NumOperations > 1)
|
||||
printUse();
|
||||
|
||||
getArchive();
|
||||
getMembers();
|
||||
|
||||
}
|
||||
|
||||
int main(int argc, char **argv) {
|
||||
|
||||
//Parse Command line options
|
||||
cl::ParseCommandLineOptions(argc, argv, " llvm-ar\n");
|
||||
cl::ParseCommandLineOptions(argc, argv);
|
||||
parseCL();
|
||||
|
||||
//Create archive!
|
||||
CreateArchive();
|
||||
if(Create)
|
||||
CreateArchive();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user