static std::string getOptionHelpName(const OptTable &Opts, OptSpecifier Id) {
const Option O = Opts.getOption(Id);
std::string Name = O.getPrefixedName();
// Add metavar, if used.
switch (O.getKind()) {
case Option::GroupClass: case Option::InputClass: case Option::UnknownClass:
llvm_unreachable("Invalid option with help text.");
case Option::MultiArgClass:
llvm_unreachable("Cannot print metavar for this kind of option.");
case Option::FlagClass:
break;
case Option::SeparateClass: case Option::JoinedOrSeparateClass:
Name += ' ';
// FALLTHROUGH
case Option::JoinedClass: case Option::CommaJoinedClass:
case Option::JoinedAndSeparateClass:
if (const char *MetaVarName = Opts.getOptionMetaVar(Id))
Name += MetaVarName;
else
Name += "<value>";
break;
}
return Name;
}
static void TranslateDArg(Arg *A, llvm::opt::DerivedArgList &DAL,
const OptTable &Opts) {
assert(A->getOption().matches(options::OPT_D));
StringRef Val = A->getValue();
size_t Hash = Val.find('#');
if (Hash == StringRef::npos || Hash > Val.find('=')) {
DAL.append(A);
return;
}
std::string NewVal = Val;
NewVal[Hash] = '=';
DAL.AddJoinedArg(A, Opts.getOption(options::OPT_D), NewVal);
}
static std::string getOptionHelpName(const OptTable &Opts, OptSpecifier Id) {
const Option O = Opts.getOption(Id);
std::string Name = O.getPrefixedName();
// Add metavar, if used.
switch (O.getKind()) {
case Option::GroupClass: case Option::InputClass: case Option::UnknownClass:
llvm_unreachable("Invalid option with help text.");
case Option::MultiArgClass:
if (const char *MetaVarName = Opts.getOptionMetaVar(Id)) {
// For MultiArgs, metavar is full list of all argument names.
Name += ' ';
Name += MetaVarName;
}
else {
// For MultiArgs<N>, if metavar not supplied, print <value> N times.
for (unsigned i=0, e=O.getNumArgs(); i< e; ++i) {
Name += " <value>";
}
}
break;
case Option::FlagClass:
break;
case Option::ValuesClass:
break;
case Option::SeparateClass: case Option::JoinedOrSeparateClass:
case Option::RemainingArgsClass: case Option::RemainingArgsJoinedClass:
Name += ' ';
LLVM_FALLTHROUGH;
case Option::JoinedClass: case Option::CommaJoinedClass:
case Option::JoinedAndSeparateClass:
if (const char *MetaVarName = Opts.getOptionMetaVar(Id))
Name += MetaVarName;
else
Name += "<value>";
break;
}
return Name;
}
static void TranslateOptArg(Arg *A, llvm::opt::DerivedArgList &DAL,
bool SupportsForcingFramePointer,
const char *ExpandChar, const OptTable &Opts) {
assert(A->getOption().matches(options::OPT__SLASH_O));
StringRef OptStr = A->getValue();
for (size_t I = 0, E = OptStr.size(); I != E; ++I) {
const char &OptChar = *(OptStr.data() + I);
switch (OptChar) {
default:
break;
case '1':
case '2':
case 'x':
case 'd':
if (&OptChar == ExpandChar) {
if (OptChar == 'd') {
DAL.AddFlagArg(A, Opts.getOption(options::OPT_O0));
} else {
if (OptChar == '1') {
DAL.AddJoinedArg(A, Opts.getOption(options::OPT_O), "s");
} else if (OptChar == '2' || OptChar == 'x') {
DAL.AddFlagArg(A, Opts.getOption(options::OPT_fbuiltin));
DAL.AddJoinedArg(A, Opts.getOption(options::OPT_O), "2");
}
if (SupportsForcingFramePointer &&
!DAL.hasArgNoClaim(options::OPT_fno_omit_frame_pointer))
DAL.AddFlagArg(A,
Opts.getOption(options::OPT_fomit_frame_pointer));
if (OptChar == '1' || OptChar == '2')
DAL.AddFlagArg(A,
Opts.getOption(options::OPT_ffunction_sections));
}
}
break;
case 'b':
if (I + 1 != E && isdigit(OptStr[I + 1])) {
switch (OptStr[I + 1]) {
case '0':
DAL.AddFlagArg(A, Opts.getOption(options::OPT_fno_inline));
break;
case '1':
// TODO: Inline calls to 'inline functions' only.
break;
case '2':
DAL.AddFlagArg(A, Opts.getOption(options::OPT_finline_functions));
break;
}
++I;
}
break;
case 'g':
break;
case 'i':
if (I + 1 != E && OptStr[I + 1] == '-') {
++I;
DAL.AddFlagArg(A, Opts.getOption(options::OPT_fno_builtin));
} else {
DAL.AddFlagArg(A, Opts.getOption(options::OPT_fbuiltin));
}
break;
case 's':
DAL.AddJoinedArg(A, Opts.getOption(options::OPT_O), "s");
break;
case 't':
DAL.AddJoinedArg(A, Opts.getOption(options::OPT_O), "2");
break;
case 'y': {
bool OmitFramePointer = true;
if (I + 1 != E && OptStr[I + 1] == '-') {
OmitFramePointer = false;
++I;
}
if (SupportsForcingFramePointer) {
if (OmitFramePointer)
DAL.AddFlagArg(A,
Opts.getOption(options::OPT_fomit_frame_pointer));
else
DAL.AddFlagArg(
A, Opts.getOption(options::OPT_fno_omit_frame_pointer));
} else {
// Don't warn about /Oy- in 64-bit builds (where
// SupportsForcingFramePointer is false). The flag having no effect
// there is a compiler-internal optimization, and people shouldn't have
// to special-case their build files for 64-bit clang-cl.
A->claim();
}
break;
}
}
}
}
static void TranslateOptArg(Arg *A, llvm::opt::DerivedArgList &DAL,
bool SupportsForcingFramePointer,
const char *ExpandChar, const OptTable &Opts) {
assert(A->getOption().matches(options::OPT__SLASH_O));
StringRef OptStr = A->getValue();
for (size_t I = 0, E = OptStr.size(); I != E; ++I) {
const char &OptChar = *(OptStr.data() + I);
switch (OptChar) {
default:
break;
case '1':
case '2':
case 'x':
case 'd':
if (&OptChar == ExpandChar) {
if (OptChar == 'd') {
DAL.AddFlagArg(A, Opts.getOption(options::OPT_O0));
} else {
if (OptChar == '1') {
DAL.AddJoinedArg(A, Opts.getOption(options::OPT_O), "s");
} else if (OptChar == '2' || OptChar == 'x') {
DAL.AddFlagArg(A, Opts.getOption(options::OPT_fbuiltin));
DAL.AddJoinedArg(A, Opts.getOption(options::OPT_O), "2");
}
if (SupportsForcingFramePointer)
DAL.AddFlagArg(A,
Opts.getOption(options::OPT_fomit_frame_pointer));
if (OptChar == '1' || OptChar == '2')
DAL.AddFlagArg(A,
Opts.getOption(options::OPT_ffunction_sections));
}
}
break;
case 'b':
if (I + 1 != E && isdigit(OptStr[I + 1]))
++I;
break;
case 'g':
break;
case 'i':
if (I + 1 != E && OptStr[I + 1] == '-') {
++I;
DAL.AddFlagArg(A, Opts.getOption(options::OPT_fno_builtin));
} else {
DAL.AddFlagArg(A, Opts.getOption(options::OPT_fbuiltin));
}
break;
case 's':
DAL.AddJoinedArg(A, Opts.getOption(options::OPT_O), "s");
break;
case 't':
DAL.AddJoinedArg(A, Opts.getOption(options::OPT_O), "2");
break;
case 'y': {
bool OmitFramePointer = true;
if (I + 1 != E && OptStr[I + 1] == '-') {
OmitFramePointer = false;
++I;
}
if (SupportsForcingFramePointer) {
if (OmitFramePointer)
DAL.AddFlagArg(A,
Opts.getOption(options::OPT_fomit_frame_pointer));
else
DAL.AddFlagArg(
A, Opts.getOption(options::OPT_fno_omit_frame_pointer));
}
break;
}
}
}
}
