X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FOption%2FArgList.cpp;h=a37f443e56fc5a4ea045ecfb9eb63ac5c3abea92;hb=934f075e35df3936766447439f959605dacc122e;hp=041e5522f47a4c1ed02546e64b87b8c32a5177b1;hpb=97688c4ee3def7fa37b7a2523da56f7b5992e35e;p=oota-llvm.git

diff --git a/lib/Option/ArgList.cpp b/lib/Option/ArgList.cpp
index 041e5522f47..a37f443e56f 100644
--- a/lib/Option/ArgList.cpp
+++ b/lib/Option/ArgList.cpp
@@ -8,8 +8,8 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Option/ArgList.h"
-#include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/Twine.h"
 #include "llvm/Option/Arg.h"
 #include "llvm/Option/Option.h"
@@ -33,9 +33,6 @@ void arg_iterator::SkipToNextArg() {
   }
 }
 
-ArgList::~ArgList() {
-}
-
 void ArgList::append(Arg *A) {
   Args.push_back(A);
 }
@@ -63,6 +60,26 @@ Arg *ArgList::getLastArgNoClaim(OptSpecifier Id0, OptSpecifier Id1) const {
   return nullptr;
 }
 
+Arg *ArgList::getLastArgNoClaim(OptSpecifier Id0, OptSpecifier Id1,
+                                OptSpecifier Id2) const {
+  // FIXME: Make search efficient?
+  for (const_reverse_iterator it = rbegin(), ie = rend(); it != ie; ++it)
+    if ((*it)->getOption().matches(Id0) || (*it)->getOption().matches(Id1) ||
+        (*it)->getOption().matches(Id2))
+      return *it;
+  return nullptr;
+}
+
+Arg *ArgList::getLastArgNoClaim(OptSpecifier Id0, OptSpecifier Id1,
+                                OptSpecifier Id2, OptSpecifier Id3) const {
+  // FIXME: Make search efficient?
+  for (const_reverse_iterator it = rbegin(), ie = rend(); it != ie; ++it)
+    if ((*it)->getOption().matches(Id0) || (*it)->getOption().matches(Id1) ||
+        (*it)->getOption().matches(Id2) || (*it)->getOption().matches(Id3))
+      return *it;
+  return nullptr;
+}
+
 Arg *ArgList::getLastArg(OptSpecifier Id) const {
   Arg *Res = nullptr;
   for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
@@ -241,6 +258,21 @@ void ArgList::AddLastArg(ArgStringList &Output, OptSpecifier Id0,
   }
 }
 
+void ArgList::AddAllArgs(ArgStringList &Output,
+                         ArrayRef<OptSpecifier> Ids) const {
+  for (const Arg *Arg : Args) {
+    for (OptSpecifier Id : Ids) {
+      if (Arg->getOption().matches(Id)) {
+        Arg->claim();
+        Arg->render(*this, Output);
+        break;
+      }
+    }
+  }
+}
+
+/// This 3-opt variant of AddAllArgs could be eliminated in favor of one
+/// that accepts a single specifier, given the above which accepts any number.
 void ArgList::AddAllArgs(ArgStringList &Output, OptSpecifier Id0,
                          OptSpecifier Id1, OptSpecifier Id2) const {
   for (auto Arg: filtered(Id0, Id1, Id2)) {
@@ -253,8 +285,8 @@ void ArgList::AddAllArgValues(ArgStringList &Output, OptSpecifier Id0,
                               OptSpecifier Id1, OptSpecifier Id2) const {
   for (auto Arg : filtered(Id0, Id1, Id2)) {
     Arg->claim();
-    for (unsigned i = 0, e = Arg->getNumValues(); i != e; ++i)
-      Output.push_back(Arg->getValue(i));
+    const auto &Values = Arg->getValues();
+    Output.append(Values.begin(), Values.end());
   }
 }
 
@@ -285,11 +317,6 @@ void ArgList::ClaimAllArgs() const {
       (*it)->claim();
 }
 
-const char *ArgList::MakeArgString(const Twine &T) const {
-  SmallString<256> Str;
-  return MakeArgString(T.toStringRef(Str));
-}
-
 const char *ArgList::GetOrMakeJoinedArgString(unsigned Index,
                                               StringRef LHS,
                                               StringRef RHS) const {
@@ -303,18 +330,18 @@ const char *ArgList::GetOrMakeJoinedArgString(unsigned Index,
 
 //
 
+void InputArgList::releaseMemory() {
+  // An InputArgList always owns its arguments.
+  for (Arg *A : *this)
+    delete A;
+}
+
 InputArgList::InputArgList(const char* const *ArgBegin,
                            const char* const *ArgEnd)
   : NumInputArgStrings(ArgEnd - ArgBegin) {
   ArgStrings.append(ArgBegin, ArgEnd);
 }
 
-InputArgList::~InputArgList() {
-  // An InputArgList always owns its arguments.
-  for (iterator it = begin(), ie = end(); it != ie; ++it)
-    delete *it;
-}
-
 unsigned InputArgList::MakeIndex(StringRef String0) const {
   unsigned Index = ArgStrings.size();
 
@@ -334,19 +361,16 @@ unsigned InputArgList::MakeIndex(StringRef String0,
   return Index0;
 }
 
-const char *InputArgList::MakeArgString(StringRef Str) const {
+const char *InputArgList::MakeArgStringRef(StringRef Str) const {
   return getArgString(MakeIndex(Str));
 }
 
 //
 
-DerivedArgList::DerivedArgList(const InputArgList &_BaseArgs)
-  : BaseArgs(_BaseArgs) {
-}
-
-DerivedArgList::~DerivedArgList() {}
+DerivedArgList::DerivedArgList(const InputArgList &BaseArgs)
+    : BaseArgs(BaseArgs) {}
 
-const char *DerivedArgList::MakeArgString(StringRef Str) const {
+const char *DerivedArgList::MakeArgStringRef(StringRef Str) const {
   return BaseArgs.MakeArgString(Str);
 }
 
@@ -381,7 +405,7 @@ Arg *DerivedArgList::MakeSeparateArg(const Arg *BaseArg, const Option Opt,
 
 Arg *DerivedArgList::MakeJoinedArg(const Arg *BaseArg, const Option Opt,
                                    StringRef Value) const {
-  unsigned Index = BaseArgs.MakeIndex(Opt.getName().str() + Value.str());
+  unsigned Index = BaseArgs.MakeIndex((Opt.getName() + Value).str());
   SynthesizedArgs.push_back(make_unique<Arg>(
       Opt, MakeArgString(Opt.getPrefix() + Opt.getName()), Index,
       BaseArgs.getArgString(Index) + Opt.getName().size(), BaseArg));