ArgList.cpp revision cd4e186cdc1db0dcac937eb20afe8b5f5ff1a38d
16ac1e2252b1a16fd8841c4b1af8fe41b820aa41dDaniel Dunbar//===--- ArgList.cpp - Argument List Management -------------------------*-===// 26ac1e2252b1a16fd8841c4b1af8fe41b820aa41dDaniel Dunbar// 36ac1e2252b1a16fd8841c4b1af8fe41b820aa41dDaniel Dunbar// The LLVM Compiler Infrastructure 46ac1e2252b1a16fd8841c4b1af8fe41b820aa41dDaniel Dunbar// 56ac1e2252b1a16fd8841c4b1af8fe41b820aa41dDaniel Dunbar// This file is distributed under the University of Illinois Open Source 66ac1e2252b1a16fd8841c4b1af8fe41b820aa41dDaniel Dunbar// License. See LICENSE.TXT for details. 76ac1e2252b1a16fd8841c4b1af8fe41b820aa41dDaniel Dunbar// 86ac1e2252b1a16fd8841c4b1af8fe41b820aa41dDaniel Dunbar//===----------------------------------------------------------------------===// 96ac1e2252b1a16fd8841c4b1af8fe41b820aa41dDaniel Dunbar 106ac1e2252b1a16fd8841c4b1af8fe41b820aa41dDaniel Dunbar#include "clang/Driver/ArgList.h" 116ac1e2252b1a16fd8841c4b1af8fe41b820aa41dDaniel Dunbar#include "clang/Driver/Arg.h" 129358dc8d1edae6f9279647084e768c6da5715f73Daniel Dunbar#include "clang/Driver/Option.h" 136ac1e2252b1a16fd8841c4b1af8fe41b820aa41dDaniel Dunbar 146ac1e2252b1a16fd8841c4b1af8fe41b820aa41dDaniel Dunbarusing namespace clang::driver; 156ac1e2252b1a16fd8841c4b1af8fe41b820aa41dDaniel Dunbar 166ac1e2252b1a16fd8841c4b1af8fe41b820aa41dDaniel DunbarArgList::ArgList(const char **ArgBegin, const char **ArgEnd) { 176ac1e2252b1a16fd8841c4b1af8fe41b820aa41dDaniel Dunbar ArgStrings.append(ArgBegin, ArgEnd); 186ac1e2252b1a16fd8841c4b1af8fe41b820aa41dDaniel Dunbar} 196ac1e2252b1a16fd8841c4b1af8fe41b820aa41dDaniel Dunbar 206ac1e2252b1a16fd8841c4b1af8fe41b820aa41dDaniel DunbarArgList::~ArgList() { 216ac1e2252b1a16fd8841c4b1af8fe41b820aa41dDaniel Dunbar for (iterator it = begin(), ie = end(); it != ie; ++ie) 226ac1e2252b1a16fd8841c4b1af8fe41b820aa41dDaniel Dunbar delete *it; 236ac1e2252b1a16fd8841c4b1af8fe41b820aa41dDaniel Dunbar} 249358dc8d1edae6f9279647084e768c6da5715f73Daniel Dunbar 259358dc8d1edae6f9279647084e768c6da5715f73Daniel Dunbarvoid ArgList::append(Arg *A) { 269358dc8d1edae6f9279647084e768c6da5715f73Daniel Dunbar if (A->getOption().isUnsupported()) { 279358dc8d1edae6f9279647084e768c6da5715f73Daniel Dunbar assert(0 && "FIXME: unsupported unsupported."); 289358dc8d1edae6f9279647084e768c6da5715f73Daniel Dunbar } 299358dc8d1edae6f9279647084e768c6da5715f73Daniel Dunbar 309358dc8d1edae6f9279647084e768c6da5715f73Daniel Dunbar Args.push_back(A); 319358dc8d1edae6f9279647084e768c6da5715f73Daniel Dunbar} 32d8cadd4f250d1b69373fc80477f67375d2c54820Daniel Dunbar 338022fd46d45005de63306a7513aece20a1be16edDaniel DunbarArg *ArgList::getLastArg(options::ID Id, bool Claim) const { 34d8cadd4f250d1b69373fc80477f67375d2c54820Daniel Dunbar // FIXME: Make search efficient? 35d8cadd4f250d1b69373fc80477f67375d2c54820Daniel Dunbar 36d8cadd4f250d1b69373fc80477f67375d2c54820Daniel Dunbar // FIXME: This needs to not require loading of the option. 378022fd46d45005de63306a7513aece20a1be16edDaniel Dunbar for (const_iterator it = begin(), ie = end(); it != ie; ++it) { 388022fd46d45005de63306a7513aece20a1be16edDaniel Dunbar if ((*it)->getOption().matches(Id)) { 398022fd46d45005de63306a7513aece20a1be16edDaniel Dunbar if (Claim) (*it)->claim(); 400c562a23a6560b5736077226ab31d6a9a216ccd3Daniel Dunbar return *it; 418022fd46d45005de63306a7513aece20a1be16edDaniel Dunbar } 428022fd46d45005de63306a7513aece20a1be16edDaniel Dunbar } 43d8cadd4f250d1b69373fc80477f67375d2c54820Daniel Dunbar 440c562a23a6560b5736077226ab31d6a9a216ccd3Daniel Dunbar return 0; 45d8cadd4f250d1b69373fc80477f67375d2c54820Daniel Dunbar} 46bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar 47cd4e186cdc1db0dcac937eb20afe8b5f5ff1a38dDaniel DunbarArg *ArgList::getLastArg(options::ID Id0, options::ID Id1, bool Claim) const { 48cd4e186cdc1db0dcac937eb20afe8b5f5ff1a38dDaniel Dunbar Arg *Res, *A0 = getLastArg(Id0, false), *A1 = getLastArg(Id1, false); 49cd4e186cdc1db0dcac937eb20afe8b5f5ff1a38dDaniel Dunbar 50cd4e186cdc1db0dcac937eb20afe8b5f5ff1a38dDaniel Dunbar if (A0 && A1) 51cd4e186cdc1db0dcac937eb20afe8b5f5ff1a38dDaniel Dunbar Res = A0->getIndex() > A1->getIndex() ? A0 : A1; 52cd4e186cdc1db0dcac937eb20afe8b5f5ff1a38dDaniel Dunbar else 53cd4e186cdc1db0dcac937eb20afe8b5f5ff1a38dDaniel Dunbar Res = A0 ? A0 : A1; 54cd4e186cdc1db0dcac937eb20afe8b5f5ff1a38dDaniel Dunbar 55cd4e186cdc1db0dcac937eb20afe8b5f5ff1a38dDaniel Dunbar if (Claim && Res) 56cd4e186cdc1db0dcac937eb20afe8b5f5ff1a38dDaniel Dunbar Res->claim(); 57cd4e186cdc1db0dcac937eb20afe8b5f5ff1a38dDaniel Dunbar 58cd4e186cdc1db0dcac937eb20afe8b5f5ff1a38dDaniel Dunbar return Res; 59cd4e186cdc1db0dcac937eb20afe8b5f5ff1a38dDaniel Dunbar} 60cd4e186cdc1db0dcac937eb20afe8b5f5ff1a38dDaniel Dunbar 613494bb1e01eb5f90d4dc9c91b912daf945da4ff5Daniel Dunbarunsigned ArgList::MakeIndex(const char *String0) const { 62bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar unsigned Index = ArgStrings.size(); 63bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar 64bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar // Tuck away so we have a reliable const char *. 65bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar SynthesizedStrings.push_back(String0); 66bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar ArgStrings.push_back(SynthesizedStrings.back().c_str()); 67bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar 68bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar return Index; 69bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar} 70bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar 713494bb1e01eb5f90d4dc9c91b912daf945da4ff5Daniel Dunbarunsigned ArgList::MakeIndex(const char *String0, const char *String1) const { 72bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar unsigned Index0 = MakeIndex(String0); 73bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar unsigned Index1 = MakeIndex(String1); 74c0dfd53634494872d9560bfa30c0cad6759e4ceaDaniel Dunbar assert(Index0 + 1 == Index1 && "Unexpected non-consecutive indices!"); 75bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar (void) Index1; 76bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar return Index0; 77bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar} 78bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar 793494bb1e01eb5f90d4dc9c91b912daf945da4ff5Daniel Dunbarconst char *ArgList::MakeArgString(const char *Str) const { 803494bb1e01eb5f90d4dc9c91b912daf945da4ff5Daniel Dunbar return getArgString(MakeIndex(Str)); 813494bb1e01eb5f90d4dc9c91b912daf945da4ff5Daniel Dunbar} 823494bb1e01eb5f90d4dc9c91b912daf945da4ff5Daniel Dunbar 833494bb1e01eb5f90d4dc9c91b912daf945da4ff5Daniel DunbarArg *ArgList::MakeFlagArg(const Option *Opt) const { 84bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar return new FlagArg(Opt, MakeIndex(Opt->getName())); 85bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar} 86bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar 873494bb1e01eb5f90d4dc9c91b912daf945da4ff5Daniel DunbarArg *ArgList::MakePositionalArg(const Option *Opt, const char *Value) const { 88bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar return new PositionalArg(Opt, MakeIndex(Value)); 89bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar} 90bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar 913494bb1e01eb5f90d4dc9c91b912daf945da4ff5Daniel DunbarArg *ArgList::MakeSeparateArg(const Option *Opt, const char *Value) const { 92bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar return new SeparateArg(Opt, MakeIndex(Opt->getName(), Value), 1); 93bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar} 94bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar 953494bb1e01eb5f90d4dc9c91b912daf945da4ff5Daniel DunbarArg *ArgList::MakeJoinedArg(const Option *Opt, const char *Value) const { 96bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar std::string Joined(Opt->getName()); 97bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar Joined += Value; 98bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar return new JoinedArg(Opt, MakeIndex(Joined.c_str())); 99bca58cb5100a4fdff63165af6a1742f5160ec73bDaniel Dunbar} 100