1 //===--- ArgList.cpp - Argument List Management ---------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "clang/Driver/ArgList.h"
11 #include "clang/Driver/Arg.h"
12 #include "clang/Driver/DriverDiagnostic.h"
13 #include "clang/Driver/Option.h"
14 #include "llvm/ADT/SmallString.h"
15 #include "llvm/ADT/Twine.h"
16 #include "llvm/Support/raw_ostream.h"
18 using namespace clang;
19 using namespace clang::driver;
21 void arg_iterator::SkipToNextArg() {
22 for (; Current != Args.end(); ++Current) {
23 // Done if there are no filters.
27 // Otherwise require a match.
28 const Option &O = (*Current)->getOption();
30 (Id1.isValid() && O.matches(Id1)) ||
31 (Id2.isValid() && O.matches(Id2)))
44 void ArgList::append(Arg *A) {
48 void ArgList::eraseArg(OptSpecifier Id) {
49 for (iterator it = begin(), ie = end(); it != ie; ) {
50 if ((*it)->getOption().matches(Id)) {
59 Arg *ArgList::getLastArgNoClaim(OptSpecifier Id) const {
60 // FIXME: Make search efficient?
61 for (const_reverse_iterator it = rbegin(), ie = rend(); it != ie; ++it)
62 if ((*it)->getOption().matches(Id))
67 Arg *ArgList::getLastArg(OptSpecifier Id) const {
69 for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
70 if ((*it)->getOption().matches(Id)) {
79 Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1) const {
81 for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
82 if ((*it)->getOption().matches(Id0) ||
83 (*it)->getOption().matches(Id1)) {
92 Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
93 OptSpecifier Id2) const {
95 for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
96 if ((*it)->getOption().matches(Id0) ||
97 (*it)->getOption().matches(Id1) ||
98 (*it)->getOption().matches(Id2)) {
107 Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
108 OptSpecifier Id2, OptSpecifier Id3) const {
110 for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
111 if ((*it)->getOption().matches(Id0) ||
112 (*it)->getOption().matches(Id1) ||
113 (*it)->getOption().matches(Id2) ||
114 (*it)->getOption().matches(Id3)) {
123 Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
124 OptSpecifier Id2, OptSpecifier Id3,
125 OptSpecifier Id4) const {
127 for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
128 if ((*it)->getOption().matches(Id0) ||
129 (*it)->getOption().matches(Id1) ||
130 (*it)->getOption().matches(Id2) ||
131 (*it)->getOption().matches(Id3) ||
132 (*it)->getOption().matches(Id4)) {
141 Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
142 OptSpecifier Id2, OptSpecifier Id3,
143 OptSpecifier Id4, OptSpecifier Id5) const {
145 for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
146 if ((*it)->getOption().matches(Id0) ||
147 (*it)->getOption().matches(Id1) ||
148 (*it)->getOption().matches(Id2) ||
149 (*it)->getOption().matches(Id3) ||
150 (*it)->getOption().matches(Id4) ||
151 (*it)->getOption().matches(Id5)) {
160 Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
161 OptSpecifier Id2, OptSpecifier Id3,
162 OptSpecifier Id4, OptSpecifier Id5,
163 OptSpecifier Id6) const {
165 for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
166 if ((*it)->getOption().matches(Id0) ||
167 (*it)->getOption().matches(Id1) ||
168 (*it)->getOption().matches(Id2) ||
169 (*it)->getOption().matches(Id3) ||
170 (*it)->getOption().matches(Id4) ||
171 (*it)->getOption().matches(Id5) ||
172 (*it)->getOption().matches(Id6)) {
181 Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
182 OptSpecifier Id2, OptSpecifier Id3,
183 OptSpecifier Id4, OptSpecifier Id5,
184 OptSpecifier Id6, OptSpecifier Id7) const {
186 for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
187 if ((*it)->getOption().matches(Id0) ||
188 (*it)->getOption().matches(Id1) ||
189 (*it)->getOption().matches(Id2) ||
190 (*it)->getOption().matches(Id3) ||
191 (*it)->getOption().matches(Id4) ||
192 (*it)->getOption().matches(Id5) ||
193 (*it)->getOption().matches(Id6) ||
194 (*it)->getOption().matches(Id7)) {
203 bool ArgList::hasFlag(OptSpecifier Pos, OptSpecifier Neg, bool Default) const {
204 if (Arg *A = getLastArg(Pos, Neg))
205 return A->getOption().matches(Pos);
209 StringRef ArgList::getLastArgValue(OptSpecifier Id,
210 StringRef Default) const {
211 if (Arg *A = getLastArg(Id))
212 return A->getValue();
216 int ArgList::getLastArgIntValue(OptSpecifier Id, int Default,
217 clang::DiagnosticsEngine *Diags) const {
220 if (Arg *A = getLastArg(Id)) {
221 if (StringRef(A->getValue()).getAsInteger(10, Res)) {
223 Diags->Report(diag::err_drv_invalid_int_value)
224 << A->getAsString(*this) << A->getValue();
231 std::vector<std::string> ArgList::getAllArgValues(OptSpecifier Id) const {
232 SmallVector<const char *, 16> Values;
233 AddAllArgValues(Values, Id);
234 return std::vector<std::string>(Values.begin(), Values.end());
237 void ArgList::AddLastArg(ArgStringList &Output, OptSpecifier Id) const {
238 if (Arg *A = getLastArg(Id)) {
240 A->render(*this, Output);
244 void ArgList::AddAllArgs(ArgStringList &Output, OptSpecifier Id0,
245 OptSpecifier Id1, OptSpecifier Id2) const {
246 for (arg_iterator it = filtered_begin(Id0, Id1, Id2),
247 ie = filtered_end(); it != ie; ++it) {
249 (*it)->render(*this, Output);
253 void ArgList::AddAllArgValues(ArgStringList &Output, OptSpecifier Id0,
254 OptSpecifier Id1, OptSpecifier Id2) const {
255 for (arg_iterator it = filtered_begin(Id0, Id1, Id2),
256 ie = filtered_end(); it != ie; ++it) {
258 for (unsigned i = 0, e = (*it)->getNumValues(); i != e; ++i)
259 Output.push_back((*it)->getValue(i));
263 void ArgList::AddAllArgsTranslated(ArgStringList &Output, OptSpecifier Id0,
264 const char *Translation,
266 for (arg_iterator it = filtered_begin(Id0),
267 ie = filtered_end(); it != ie; ++it) {
271 Output.push_back(MakeArgString(StringRef(Translation) +
272 (*it)->getValue(0)));
274 Output.push_back(Translation);
275 Output.push_back((*it)->getValue(0));
280 void ArgList::ClaimAllArgs(OptSpecifier Id0) const {
281 for (arg_iterator it = filtered_begin(Id0),
282 ie = filtered_end(); it != ie; ++it)
286 void ArgList::ClaimAllArgs() const {
287 for (const_iterator it = begin(), ie = end(); it != ie; ++it)
288 if (!(*it)->isClaimed())
292 const char *ArgList::MakeArgString(const Twine &T) const {
293 SmallString<256> Str;
295 return MakeArgString(Str.str());
298 const char *ArgList::GetOrMakeJoinedArgString(unsigned Index,
300 StringRef RHS) const {
301 StringRef Cur = getArgString(Index);
302 if (Cur.size() == LHS.size() + RHS.size() &&
303 Cur.startswith(LHS) && Cur.endswith(RHS))
306 return MakeArgString(LHS + RHS);
309 void ArgList::dump() {
310 llvm::errs() << "ArgList:";
311 for (iterator it = begin(), ie = end(); it != ie; ++it) {
312 llvm::errs() << " " << (*it)->getSpelling();
314 llvm::errs() << "\n";
319 InputArgList::InputArgList(const char* const *ArgBegin,
320 const char* const *ArgEnd)
321 : NumInputArgStrings(ArgEnd - ArgBegin) {
322 ArgStrings.append(ArgBegin, ArgEnd);
325 InputArgList::~InputArgList() {
326 // An InputArgList always owns its arguments.
327 for (iterator it = begin(), ie = end(); it != ie; ++it)
331 unsigned InputArgList::MakeIndex(StringRef String0) const {
332 unsigned Index = ArgStrings.size();
334 // Tuck away so we have a reliable const char *.
335 SynthesizedStrings.push_back(String0);
336 ArgStrings.push_back(SynthesizedStrings.back().c_str());
341 unsigned InputArgList::MakeIndex(StringRef String0,
342 StringRef String1) const {
343 unsigned Index0 = MakeIndex(String0);
344 unsigned Index1 = MakeIndex(String1);
345 assert(Index0 + 1 == Index1 && "Unexpected non-consecutive indices!");
350 const char *InputArgList::MakeArgString(StringRef Str) const {
351 return getArgString(MakeIndex(Str));
356 DerivedArgList::DerivedArgList(const InputArgList &_BaseArgs)
357 : BaseArgs(_BaseArgs) {
360 DerivedArgList::~DerivedArgList() {
361 // We only own the arguments we explicitly synthesized.
362 for (iterator it = SynthesizedArgs.begin(), ie = SynthesizedArgs.end();
367 const char *DerivedArgList::MakeArgString(StringRef Str) const {
368 return BaseArgs.MakeArgString(Str);
371 Arg *DerivedArgList::MakeFlagArg(const Arg *BaseArg, const Option Opt) const {
372 Arg *A = new Arg(Opt, ArgList::MakeArgString(Twine(Opt.getPrefix()) +
373 Twine(Opt.getName())),
374 BaseArgs.MakeIndex(Opt.getName()), BaseArg);
375 SynthesizedArgs.push_back(A);
379 Arg *DerivedArgList::MakePositionalArg(const Arg *BaseArg, const Option Opt,
380 StringRef Value) const {
381 unsigned Index = BaseArgs.MakeIndex(Value);
382 Arg *A = new Arg(Opt, ArgList::MakeArgString(Twine(Opt.getPrefix()) +
383 Twine(Opt.getName())),
384 Index, BaseArgs.getArgString(Index), BaseArg);
385 SynthesizedArgs.push_back(A);
389 Arg *DerivedArgList::MakeSeparateArg(const Arg *BaseArg, const Option Opt,
390 StringRef Value) const {
391 unsigned Index = BaseArgs.MakeIndex(Opt.getName(), Value);
392 Arg *A = new Arg(Opt, ArgList::MakeArgString(Twine(Opt.getPrefix()) +
393 Twine(Opt.getName())),
394 Index, BaseArgs.getArgString(Index + 1), BaseArg);
395 SynthesizedArgs.push_back(A);
399 Arg *DerivedArgList::MakeJoinedArg(const Arg *BaseArg, const Option Opt,
400 StringRef Value) const {
401 unsigned Index = BaseArgs.MakeIndex(Opt.getName().str() + Value.str());
402 Arg *A = new Arg(Opt, ArgList::MakeArgString(Twine(Opt.getPrefix()) +
403 Twine(Opt.getName())), Index,
404 BaseArgs.getArgString(Index) + Opt.getName().size(),
406 SynthesizedArgs.push_back(A);