1 //===- Arg.cpp - Argument Implementations ---------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "llvm/ADT/SmallString.h" 11 #include "llvm/Config/llvm-config.h" 12 #include "llvm/Option/Arg.h" 13 #include "llvm/Option/ArgList.h" 14 #include "llvm/Option/Option.h" 15 #include "llvm/Support/Compiler.h" 16 #include "llvm/Support/Debug.h" 17 #include "llvm/Support/raw_ostream.h" 18 19 using namespace llvm; 20 using namespace llvm::opt; 21 22 Arg::Arg(const Option Opt, StringRef S, unsigned Index, const Arg *BaseArg) 23 : Opt(Opt), BaseArg(BaseArg), Spelling(S), Index(Index), Claimed(false), 24 OwnsValues(false) {} 25 26 Arg::Arg(const Option Opt, StringRef S, unsigned Index, const char *Value0, 27 const Arg *BaseArg) 28 : Opt(Opt), BaseArg(BaseArg), Spelling(S), Index(Index), Claimed(false), 29 OwnsValues(false) { 30 Values.push_back(Value0); 31 } 32 33 Arg::Arg(const Option Opt, StringRef S, unsigned Index, const char *Value0, 34 const char *Value1, const Arg *BaseArg) 35 : Opt(Opt), BaseArg(BaseArg), Spelling(S), Index(Index), Claimed(false), 36 OwnsValues(false) { 37 Values.push_back(Value0); 38 Values.push_back(Value1); 39 } 40 41 Arg::~Arg() { 42 if (OwnsValues) { 43 for (unsigned i = 0, e = Values.size(); i != e; ++i) 44 delete[] Values[i]; 45 } 46 } 47 48 void Arg::print(raw_ostream& O) const { 49 O << "<"; 50 51 O << " Opt:"; 52 Opt.print(O); 53 54 O << " Index:" << Index; 55 56 O << " Values: ["; 57 for (unsigned i = 0, e = Values.size(); i != e; ++i) { 58 if (i) O << ", "; 59 O << "'" << Values[i] << "'"; 60 } 61 62 O << "]>\n"; 63 } 64 65 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) 66 LLVM_DUMP_METHOD void Arg::dump() const { print(dbgs()); } 67 #endif 68 69 std::string Arg::getAsString(const ArgList &Args) const { 70 SmallString<256> Res; 71 raw_svector_ostream OS(Res); 72 73 ArgStringList ASL; 74 render(Args, ASL); 75 for (ArgStringList::iterator 76 it = ASL.begin(), ie = ASL.end(); it != ie; ++it) { 77 if (it != ASL.begin()) 78 OS << ' '; 79 OS << *it; 80 } 81 82 return OS.str(); 83 } 84 85 void Arg::renderAsInput(const ArgList &Args, ArgStringList &Output) const { 86 if (!getOption().hasNoOptAsInput()) { 87 render(Args, Output); 88 return; 89 } 90 91 Output.append(Values.begin(), Values.end()); 92 } 93 94 void Arg::render(const ArgList &Args, ArgStringList &Output) const { 95 switch (getOption().getRenderStyle()) { 96 case Option::RenderValuesStyle: 97 Output.append(Values.begin(), Values.end()); 98 break; 99 100 case Option::RenderCommaJoinedStyle: { 101 SmallString<256> Res; 102 raw_svector_ostream OS(Res); 103 OS << getSpelling(); 104 for (unsigned i = 0, e = getNumValues(); i != e; ++i) { 105 if (i) OS << ','; 106 OS << getValue(i); 107 } 108 Output.push_back(Args.MakeArgString(OS.str())); 109 break; 110 } 111 112 case Option::RenderJoinedStyle: 113 Output.push_back(Args.GetOrMakeJoinedArgString( 114 getIndex(), getSpelling(), getValue(0))); 115 Output.append(Values.begin() + 1, Values.end()); 116 break; 117 118 case Option::RenderSeparateStyle: 119 Output.push_back(Args.MakeArgString(getSpelling())); 120 Output.append(Values.begin(), Values.end()); 121 break; 122 } 123 } 124