//===----------------------------------------------------------------------===//
#include "llvm/Support/CommandLine.h"
+#include "llvm-c/Support.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallString.h"
}
void Option::removeArgument() {
- assert(NextRegistered && "argument never registered");
- assert(RegisteredOptionList == this && "argument is not the last registered");
- RegisteredOptionList = NextRegistered;
+ if (RegisteredOptionList == this) {
+ RegisteredOptionList = NextRegistered;
+ MarkOptionsChanged();
+ return;
+ }
+ Option *O = RegisteredOptionList;
+ for (; O->NextRegistered != this; O = O->NextRegistered)
+ ;
+ O->NextRegistered = NextRegistered;
MarkOptionsChanged();
}
static void GetOptionInfo(SmallVectorImpl<Option*> &PositionalOpts,
SmallVectorImpl<Option*> &SinkOpts,
StringMap<Option*> &OptionsMap) {
+ bool HadErrors = false;
SmallVector<const char*, 16> OptionNames;
Option *CAOpt = nullptr; // The ConsumeAfter option if it exists.
for (Option *O = RegisteredOptionList; O; O = O->getNextRegisteredOption()) {
for (size_t i = 0, e = OptionNames.size(); i != e; ++i) {
// Add argument to the argument map!
if (OptionsMap.GetOrCreateValue(OptionNames[i], O).second != O) {
- errs() << ProgramName << ": CommandLine Error: Argument '"
- << OptionNames[i] << "' defined more than once!\n";
+ errs() << ProgramName << ": CommandLine Error: Option '"
+ << OptionNames[i] << "' registered more than once!\n";
+ HadErrors = true;
}
}
else if (O->getMiscFlags() & cl::Sink) // Remember sink options
SinkOpts.push_back(O);
else if (O->getNumOccurrencesFlag() == cl::ConsumeAfter) {
- if (CAOpt)
+ if (CAOpt) {
O->error("Cannot specify more than one option with cl::ConsumeAfter!");
+ HadErrors = true;
+ }
CAOpt = O;
}
}
// Make sure that they are in order of registration not backwards.
std::reverse(PositionalOpts.begin(), PositionalOpts.end());
+
+ // Fail hard if there were errors. These are strictly unrecoverable and
+ // indicate serious issues such as conflicting option names or an incorrectly
+ // linked LLVM distribution.
+ if (HadErrors)
+ report_fatal_error("inconsistency in registered CommandLine options");
}
}
void cl::TokenizeGNUCommandLine(StringRef Src, StringSaver &Saver,
- SmallVectorImpl<const char *> &NewArgv) {
+ SmallVectorImpl<const char *> &NewArgv,
+ bool MarkEOLs) {
SmallString<128> Token;
for (size_t I = 0, E = Src.size(); I != E; ++I) {
// Consume runs of whitespace.
if (Token.empty()) {
- while (I != E && isWhitespace(Src[I]))
+ while (I != E && isWhitespace(Src[I])) {
+ // Mark the end of lines in response files
+ if (MarkEOLs && Src[I] == '\n')
+ NewArgv.push_back(nullptr);
++I;
+ }
if (I == E) break;
}
// Append the last token after hitting EOF with no whitespace.
if (!Token.empty())
NewArgv.push_back(Saver.SaveString(Token.c_str()));
+ // Mark the end of response files
+ if (MarkEOLs)
+ NewArgv.push_back(nullptr);
}
/// Backslashes are interpreted in a rather complicated way in the Windows-style
}
void cl::TokenizeWindowsCommandLine(StringRef Src, StringSaver &Saver,
- SmallVectorImpl<const char *> &NewArgv) {
+ SmallVectorImpl<const char *> &NewArgv,
+ bool MarkEOLs) {
SmallString<128> Token;
// This is a small state machine to consume characters until it reaches the
// INIT state indicates that the current input index is at the start of
// the string or between tokens.
if (State == INIT) {
- if (isWhitespace(Src[I]))
+ if (isWhitespace(Src[I])) {
+ // Mark the end of lines in response files
+ if (MarkEOLs && Src[I] == '\n')
+ NewArgv.push_back(nullptr);
continue;
+ }
if (Src[I] == '"') {
State = QUOTED;
continue;
NewArgv.push_back(Saver.SaveString(Token.c_str()));
Token.clear();
State = INIT;
+ // Mark the end of lines in response files
+ if (MarkEOLs && Src[I] == '\n')
+ NewArgv.push_back(nullptr);
continue;
}
if (Src[I] == '"') {
// Append the last token after hitting EOF with no whitespace.
if (!Token.empty())
NewArgv.push_back(Saver.SaveString(Token.c_str()));
+ // Mark the end of response files
+ if (MarkEOLs)
+ NewArgv.push_back(nullptr);
}
static bool ExpandResponseFile(const char *FName, StringSaver &Saver,
TokenizerCallback Tokenizer,
- SmallVectorImpl<const char *> &NewArgv) {
- std::unique_ptr<MemoryBuffer> MemBuf;
- if (MemoryBuffer::getFile(FName, MemBuf))
+ SmallVectorImpl<const char *> &NewArgv,
+ bool MarkEOLs = false) {
+ ErrorOr<std::unique_ptr<MemoryBuffer>> MemBufOrErr =
+ MemoryBuffer::getFile(FName);
+ if (!MemBufOrErr)
return false;
- StringRef Str(MemBuf->getBufferStart(), MemBuf->getBufferSize());
+ MemoryBuffer &MemBuf = *MemBufOrErr.get();
+ StringRef Str(MemBuf.getBufferStart(), MemBuf.getBufferSize());
// If we have a UTF-16 byte order mark, convert to UTF-8 for parsing.
- ArrayRef<char> BufRef(MemBuf->getBufferStart(), MemBuf->getBufferEnd());
+ ArrayRef<char> BufRef(MemBuf.getBufferStart(), MemBuf.getBufferEnd());
std::string UTF8Buf;
if (hasUTF16ByteOrderMark(BufRef)) {
if (!convertUTF16ToUTF8String(BufRef, UTF8Buf))
}
// Tokenize the contents into NewArgv.
- Tokenizer(Str, Saver, NewArgv);
+ Tokenizer(Str, Saver, NewArgv, MarkEOLs);
return true;
}
/// \brief Expand response files on a command line recursively using the given
/// StringSaver and tokenization strategy.
bool cl::ExpandResponseFiles(StringSaver &Saver, TokenizerCallback Tokenizer,
- SmallVectorImpl<const char *> &Argv) {
+ SmallVectorImpl<const char *> &Argv,
+ bool MarkEOLs) {
unsigned RspFiles = 0;
bool AllExpanded = true;
// Don't cache Argv.size() because it can change.
for (unsigned I = 0; I != Argv.size(); ) {
const char *Arg = Argv[I];
+ // Check if it is an EOL marker
+ if (Arg == nullptr) {
+ ++I;
+ continue;
+ }
if (Arg[0] != '@') {
++I;
continue;
// FIXME: If a nested response file uses a relative path, is it relative to
// the cwd of the process or the response file?
SmallVector<const char *, 0> ExpandedArgv;
- if (!ExpandResponseFile(Arg + 1, Saver, Tokenizer, ExpandedArgv)) {
+ if (!ExpandResponseFile(Arg + 1, Saver, Tokenizer, ExpandedArgv,
+ MarkEOLs)) {
// We couldn't read this file, so we leave it in the argument stream and
// move on.
AllExpanded = false;
}
// Loop over args and make sure all required args are specified!
- for (StringMap<Option*>::iterator I = Opts.begin(),
- E = Opts.end(); I != E; ++I) {
- switch (I->second->getNumOccurrencesFlag()) {
+ for (const auto &Opt : Opts) {
+ switch (Opt.second->getNumOccurrencesFlag()) {
case Required:
case OneOrMore:
- if (I->second->getNumOccurrences() == 0) {
- I->second->error("must be specified at least once!");
+ if (Opt.second->getNumOccurrences() == 0) {
+ Opt.second->error("must be specified at least once!");
ErrorParsing = true;
}
// Fall through
OS << "LLVM (http://llvm.org/):\n"
<< " " << PACKAGE_NAME << " version " << PACKAGE_VERSION;
#ifdef LLVM_VERSION_INFO
- OS << LLVM_VERSION_INFO;
+ OS << " " << LLVM_VERSION_INFO;
#endif
OS << "\n ";
#ifndef __OPTIMIZE__
GetOptionInfo(PositionalOpts, SinkOpts, Map);
return;
}
+
+void LLVMParseCommandLineOptions(int argc, const char *const *argv,
+ const char *Overview) {
+ llvm::cl::ParseCommandLineOptions(argc, argv, Overview);
+}
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