Stephen Hines | 8b5c5c6 | 2014-06-06 18:03:18 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014, The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "clang/Basic/DiagnosticOptions.h" |
| 18 | #include "clang/Driver/DriverDiagnostic.h" |
| 19 | #include "clang/Driver/Options.h" |
| 20 | #include "clang/Frontend/Utils.h" |
| 21 | |
Stephen Hines | 8b5c5c6 | 2014-06-06 18:03:18 -0700 | [diff] [blame] | 22 | #include "llvm/Option/Arg.h" |
| 23 | #include "llvm/Option/ArgList.h" |
| 24 | #include "llvm/Option/Option.h" |
| 25 | #include "llvm/Option/OptTable.h" |
Jean-Luc Brouillet | 5309b0c | 2015-05-01 16:13:11 -0700 | [diff] [blame] | 26 | #include "llvm/Support/CommandLine.h" |
Stephen Hines | 8b5c5c6 | 2014-06-06 18:03:18 -0700 | [diff] [blame] | 27 | |
| 28 | #include "rs_cc_options.h" |
| 29 | #include "slang.h" |
| 30 | #include "slang_assert.h" |
| 31 | |
| 32 | #include <cstdlib> |
| 33 | #include <string> |
| 34 | #include <utility> |
| 35 | #include <vector> |
| 36 | |
| 37 | enum { |
| 38 | OPT_INVALID = 0, // This is not an option ID. |
| 39 | #define PREFIX(NAME, VALUE) |
| 40 | #define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \ |
| 41 | HELPTEXT, METAVAR) \ |
| 42 | OPT_##ID, |
| 43 | #include "RSCCOptions.inc" |
| 44 | LastOption |
| 45 | #undef OPTION |
| 46 | #undef PREFIX |
| 47 | }; |
| 48 | |
| 49 | #define PREFIX(NAME, VALUE) const char *const NAME[] = VALUE; |
| 50 | #define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \ |
| 51 | HELPTEXT, METAVAR) |
| 52 | #include "RSCCOptions.inc" |
| 53 | #undef OPTION |
| 54 | #undef PREFIX |
| 55 | |
| 56 | static const llvm::opt::OptTable::Info RSCCInfoTable[] = { |
| 57 | #define PREFIX(NAME, VALUE) |
| 58 | #define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \ |
| 59 | HELPTEXT, METAVAR) \ |
| 60 | { \ |
| 61 | PREFIX, NAME, HELPTEXT, METAVAR, OPT_##ID, llvm::opt::Option::KIND##Class, \ |
| 62 | PARAM, FLAGS, OPT_##GROUP, OPT_##ALIAS, ALIASARGS \ |
| 63 | } \ |
| 64 | , |
| 65 | #include "RSCCOptions.inc" |
| 66 | #undef OPTION |
| 67 | #undef PREFIX |
| 68 | }; |
| 69 | |
| 70 | namespace { |
| 71 | |
| 72 | class RSCCOptTable : public llvm::opt::OptTable { |
| 73 | public: |
| 74 | RSCCOptTable() |
| 75 | : OptTable(RSCCInfoTable, |
| 76 | sizeof(RSCCInfoTable) / sizeof(RSCCInfoTable[0])) {} |
| 77 | }; |
| 78 | } |
| 79 | |
Jean-Luc Brouillet | 5309b0c | 2015-05-01 16:13:11 -0700 | [diff] [blame] | 80 | namespace slang { |
Stephen Hines | 8b5c5c6 | 2014-06-06 18:03:18 -0700 | [diff] [blame] | 81 | |
Jean-Luc Brouillet | 5309b0c | 2015-05-01 16:13:11 -0700 | [diff] [blame] | 82 | llvm::opt::OptTable *createRSCCOptTable() { return new RSCCOptTable(); } |
Stephen Hines | 8b5c5c6 | 2014-06-06 18:03:18 -0700 | [diff] [blame] | 83 | |
Jean-Luc Brouillet | 5309b0c | 2015-05-01 16:13:11 -0700 | [diff] [blame] | 84 | // This function is similar to |
| 85 | // clang/lib/Frontend/CompilerInvocation::CreateFromArgs. |
| 86 | bool ParseArguments(const llvm::ArrayRef<const char *> &ArgsIn, |
| 87 | llvm::SmallVectorImpl<const char *> &Inputs, |
| 88 | RSCCOptions &Opts, clang::DiagnosticOptions &DiagOpts, |
Pirama Arumuga Nainar | 1906a00 | 2015-06-29 10:30:41 -0700 | [diff] [blame] | 89 | llvm::StringSaver &StringSaver) { |
Jean-Luc Brouillet | 5309b0c | 2015-05-01 16:13:11 -0700 | [diff] [blame] | 90 | // We use a different diagnostic engine for argument parsing from the rest of |
| 91 | // the work. This mimics what's done in clang. I believe it is so the |
| 92 | // argument parsing errors are well formatted while the full errors can be |
| 93 | // influenced by command line arguments. |
| 94 | llvm::IntrusiveRefCntPtr<clang::DiagnosticOptions> ArgumentParseDiagOpts( |
| 95 | new clang::DiagnosticOptions()); |
| 96 | llvm::IntrusiveRefCntPtr<clang::DiagnosticIDs> DiagIDs( |
| 97 | new clang::DiagnosticIDs()); |
| 98 | DiagnosticBuffer DiagsBuffer; |
| 99 | clang::DiagnosticsEngine DiagEngine(DiagIDs, &*ArgumentParseDiagOpts, |
| 100 | &DiagsBuffer, false); |
Stephen Hines | 8b5c5c6 | 2014-06-06 18:03:18 -0700 | [diff] [blame] | 101 | |
Jean-Luc Brouillet | 5309b0c | 2015-05-01 16:13:11 -0700 | [diff] [blame] | 102 | // Populate a vector with the command line arguments, expanding command files |
| 103 | // that have been included via the '@' argument. |
| 104 | llvm::SmallVector<const char *, 256> ArgVector; |
| 105 | ArgVector.append(ArgsIn.begin(), ArgsIn.end()); |
| 106 | llvm::cl::ExpandResponseFiles(StringSaver, llvm::cl::TokenizeGNUCommandLine, |
| 107 | ArgVector, false); |
Stephen Hines | 8b5c5c6 | 2014-06-06 18:03:18 -0700 | [diff] [blame] | 108 | |
Jean-Luc Brouillet | 5309b0c | 2015-05-01 16:13:11 -0700 | [diff] [blame] | 109 | std::unique_ptr<llvm::opt::OptTable> OptParser(createRSCCOptTable()); |
| 110 | unsigned MissingArgIndex = 0; |
| 111 | unsigned MissingArgCount = 0; |
| 112 | std::unique_ptr<llvm::opt::InputArgList> Args( |
| 113 | OptParser->ParseArgs(ArgVector.begin() + 1, ArgVector.end(), |
| 114 | MissingArgIndex, MissingArgCount)); |
Stephen Hines | 8b5c5c6 | 2014-06-06 18:03:18 -0700 | [diff] [blame] | 115 | |
Jean-Luc Brouillet | 5309b0c | 2015-05-01 16:13:11 -0700 | [diff] [blame] | 116 | // Check for missing argument error. |
| 117 | if (MissingArgCount) { |
| 118 | DiagEngine.Report(clang::diag::err_drv_missing_argument) |
| 119 | << Args->getArgString(MissingArgIndex) << MissingArgCount; |
| 120 | } |
| 121 | |
| 122 | // Issue errors on unknown arguments. |
| 123 | for (llvm::opt::arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), |
| 124 | ie = Args->filtered_end(); |
| 125 | it != ie; ++it) { |
| 126 | DiagEngine.Report(clang::diag::err_drv_unknown_argument) |
| 127 | << (*it)->getAsString(*Args); |
| 128 | } |
| 129 | |
| 130 | DiagOpts.IgnoreWarnings = Args->hasArg(OPT_w); |
| 131 | DiagOpts.Warnings = Args->getAllArgValues(OPT_W); |
| 132 | |
| 133 | for (llvm::opt::ArgList::const_iterator it = Args->begin(), ie = Args->end(); |
| 134 | it != ie; ++it) { |
| 135 | const llvm::opt::Arg *A = *it; |
| 136 | if (A->getOption().getKind() == llvm::opt::Option::InputClass) |
| 137 | Inputs.push_back(A->getValue()); |
| 138 | } |
| 139 | |
| 140 | Opts.mIncludePaths = Args->getAllArgValues(OPT_I); |
| 141 | |
| 142 | Opts.mBitcodeOutputDir = Args->getLastArgValue(OPT_o); |
| 143 | |
| 144 | if (const llvm::opt::Arg *A = Args->getLastArg(OPT_M_Group)) { |
| 145 | switch (A->getOption().getID()) { |
| 146 | case OPT_M: { |
| 147 | Opts.mEmitDependency = true; |
| 148 | Opts.mOutputType = Slang::OT_Dependency; |
| 149 | break; |
Stephen Hines | 8b5c5c6 | 2014-06-06 18:03:18 -0700 | [diff] [blame] | 150 | } |
Jean-Luc Brouillet | 5309b0c | 2015-05-01 16:13:11 -0700 | [diff] [blame] | 151 | case OPT_MD: { |
| 152 | Opts.mEmitDependency = true; |
| 153 | Opts.mOutputType = Slang::OT_Bitcode; |
| 154 | break; |
Stephen Hines | 8b5c5c6 | 2014-06-06 18:03:18 -0700 | [diff] [blame] | 155 | } |
Ying Wang | 21c94c9 | 2015-07-22 16:27:14 -0700 | [diff] [blame] | 156 | case OPT_MP: { |
| 157 | Opts.mEmitDependency = true; |
| 158 | Opts.mOutputType = Slang::OT_Bitcode; |
| 159 | Opts.mEmitPhonyDependency = true; |
| 160 | break; |
| 161 | } |
Jean-Luc Brouillet | 5309b0c | 2015-05-01 16:13:11 -0700 | [diff] [blame] | 162 | default: { slangAssert(false && "Invalid option in M group!"); } |
Stephen Hines | dd22d5c | 2014-08-14 16:32:50 -0700 | [diff] [blame] | 163 | } |
Stephen Hines | 8b5c5c6 | 2014-06-06 18:03:18 -0700 | [diff] [blame] | 164 | } |
Jean-Luc Brouillet | 5309b0c | 2015-05-01 16:13:11 -0700 | [diff] [blame] | 165 | |
| 166 | if (const llvm::opt::Arg *A = Args->getLastArg(OPT_Output_Type_Group)) { |
| 167 | switch (A->getOption().getID()) { |
| 168 | case OPT_emit_asm: { |
| 169 | Opts.mOutputType = Slang::OT_Assembly; |
| 170 | break; |
| 171 | } |
| 172 | case OPT_emit_llvm: { |
| 173 | Opts.mOutputType = Slang::OT_LLVMAssembly; |
| 174 | break; |
| 175 | } |
| 176 | case OPT_emit_bc: { |
| 177 | Opts.mOutputType = Slang::OT_Bitcode; |
| 178 | break; |
| 179 | } |
| 180 | case OPT_emit_nothing: { |
| 181 | Opts.mOutputType = Slang::OT_Nothing; |
| 182 | break; |
| 183 | } |
| 184 | default: { slangAssert(false && "Invalid option in output type group!"); } |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | if (Opts.mEmitDependency && ((Opts.mOutputType != Slang::OT_Bitcode) && |
| 189 | (Opts.mOutputType != Slang::OT_Dependency))) |
| 190 | DiagEngine.Report(clang::diag::err_drv_argument_not_allowed_with) |
| 191 | << Args->getLastArg(OPT_M_Group)->getAsString(*Args) |
| 192 | << Args->getLastArg(OPT_Output_Type_Group)->getAsString(*Args); |
| 193 | |
| 194 | Opts.mAllowRSPrefix = Args->hasArg(OPT_allow_rs_prefix); |
| 195 | |
| 196 | Opts.mJavaReflectionPathBase = |
| 197 | Args->getLastArgValue(OPT_java_reflection_path_base); |
| 198 | Opts.mJavaReflectionPackageName = |
| 199 | Args->getLastArgValue(OPT_java_reflection_package_name); |
| 200 | |
| 201 | Opts.mRSPackageName = Args->getLastArgValue(OPT_rs_package_name); |
| 202 | |
| 203 | llvm::StringRef BitcodeStorageValue = |
| 204 | Args->getLastArgValue(OPT_bitcode_storage); |
| 205 | if (BitcodeStorageValue == "ar") |
| 206 | Opts.mBitcodeStorage = BCST_APK_RESOURCE; |
| 207 | else if (BitcodeStorageValue == "jc") |
| 208 | Opts.mBitcodeStorage = BCST_JAVA_CODE; |
| 209 | else if (!BitcodeStorageValue.empty()) |
| 210 | DiagEngine.Report(clang::diag::err_drv_invalid_value) |
| 211 | << OptParser->getOptionName(OPT_bitcode_storage) << BitcodeStorageValue; |
| 212 | |
| 213 | llvm::opt::Arg *lastBitwidthArg = Args->getLastArg(OPT_m32, OPT_m64); |
| 214 | if (Args->hasArg(OPT_reflect_cpp)) { |
| 215 | Opts.mBitcodeStorage = BCST_CPP_CODE; |
| 216 | // mJavaReflectionPathBase can be set for C++ reflected builds. |
| 217 | // Set it to the standard mBitcodeOutputDir (via -o) by default. |
| 218 | if (Opts.mJavaReflectionPathBase.empty()) { |
| 219 | Opts.mJavaReflectionPathBase = Opts.mBitcodeOutputDir; |
| 220 | } |
| 221 | |
| 222 | // Check for bitwidth arguments. |
| 223 | if (lastBitwidthArg) { |
| 224 | if (lastBitwidthArg->getOption().matches(OPT_m32)) { |
| 225 | Opts.mBitWidth = 32; |
| 226 | } else { |
| 227 | Opts.mBitWidth = 64; |
| 228 | } |
| 229 | } |
| 230 | } else if (lastBitwidthArg) { |
David Gross | 2770d0e | 2015-08-03 14:58:59 -0700 | [diff] [blame] | 231 | // -m32/-m64 are forbidden for non-C++ reflection paths for non-eng builds |
| 232 | // (they would make it too easy for a developer to accidentally create and |
| 233 | // release an APK that has 32-bit or 64-bit bitcode but not both). |
| 234 | #ifdef __ENABLE_INTERNAL_OPTIONS |
| 235 | if (lastBitwidthArg->getOption().matches(OPT_m32)) { |
| 236 | Opts.mBitWidth = 32; |
| 237 | } else { |
| 238 | Opts.mBitWidth = 64; |
| 239 | } |
| 240 | Opts.mEmit3264 = false; |
| 241 | #else |
| 242 | DiagEngine.Report( |
| 243 | DiagEngine.getCustomDiagID(clang::DiagnosticsEngine::Error, |
| 244 | "cannot use -m32/-m64 without specifying " |
| 245 | "C++ reflection (-reflect-c++)")); |
| 246 | #endif |
Jean-Luc Brouillet | 5309b0c | 2015-05-01 16:13:11 -0700 | [diff] [blame] | 247 | } |
| 248 | |
| 249 | Opts.mDependencyOutputDir = |
| 250 | Args->getLastArgValue(OPT_output_dep_dir, Opts.mBitcodeOutputDir); |
| 251 | Opts.mAdditionalDepTargets = Args->getAllArgValues(OPT_additional_dep_target); |
| 252 | |
| 253 | Opts.mShowHelp = Args->hasArg(OPT_help); |
| 254 | Opts.mShowVersion = Args->hasArg(OPT_version); |
| 255 | Opts.mDebugEmission = Args->hasArg(OPT_emit_g); |
| 256 | Opts.mVerbose = Args->hasArg(OPT_verbose); |
David Gross | 2770d0e | 2015-08-03 14:58:59 -0700 | [diff] [blame] | 257 | Opts.mASTPrint = Args->hasArg(OPT_ast_print); |
| 258 | |
| 259 | // Delegate options |
| 260 | |
| 261 | std::vector<std::string> DelegatedStrings; |
| 262 | for (int Opt : std::vector<unsigned>{OPT_debug, OPT_print_after_all, OPT_print_before_all}) { |
| 263 | if (Args->hasArg(Opt)) { |
| 264 | // TODO: Don't assume that the option begins with "-"; determine this programmatically instead. |
| 265 | DelegatedStrings.push_back(std::string("-") + std::string(OptParser->getOptionName(Opt))); |
| 266 | slangAssert(OptParser->getOptionKind(Opt) == llvm::opt::Option::FlagClass); |
| 267 | } |
| 268 | } |
| 269 | if (DelegatedStrings.size()) { |
| 270 | std::vector<const char *> DelegatedCStrs; |
| 271 | DelegatedCStrs.push_back(*ArgVector.data()); // program name |
| 272 | std::for_each(DelegatedStrings.cbegin(), DelegatedStrings.cend(), |
| 273 | [&DelegatedCStrs](const std::string &String) { DelegatedCStrs.push_back(String.c_str()); }); |
| 274 | llvm::cl::ParseCommandLineOptions(DelegatedCStrs.size(), DelegatedCStrs.data()); |
| 275 | } |
Jean-Luc Brouillet | 5309b0c | 2015-05-01 16:13:11 -0700 | [diff] [blame] | 276 | |
| 277 | // If we are emitting both 32-bit and 64-bit bitcode, we must embed it. |
| 278 | |
| 279 | size_t OptLevel = |
| 280 | clang::getLastArgIntValue(*Args, OPT_optimization_level, 3, DiagEngine); |
| 281 | |
| 282 | Opts.mOptimizationLevel = |
| 283 | OptLevel == 0 ? llvm::CodeGenOpt::None : llvm::CodeGenOpt::Aggressive; |
| 284 | |
| 285 | Opts.mTargetAPI = |
| 286 | clang::getLastArgIntValue(*Args, OPT_target_api, RS_VERSION, DiagEngine); |
| 287 | |
| 288 | if (Opts.mTargetAPI == 0) { |
| 289 | Opts.mTargetAPI = UINT_MAX; |
| 290 | } |
| 291 | |
David Gross | 2770d0e | 2015-08-03 14:58:59 -0700 | [diff] [blame] | 292 | if ((Opts.mTargetAPI < 21) || (Opts.mBitcodeStorage == BCST_CPP_CODE)) |
| 293 | Opts.mEmit3264 = false; |
| 294 | if (Opts.mEmit3264) |
Jean-Luc Brouillet | 5309b0c | 2015-05-01 16:13:11 -0700 | [diff] [blame] | 295 | Opts.mBitcodeStorage = BCST_JAVA_CODE; |
Jean-Luc Brouillet | 5309b0c | 2015-05-01 16:13:11 -0700 | [diff] [blame] | 296 | |
| 297 | if (DiagEngine.hasErrorOccurred()) { |
| 298 | llvm::errs() << DiagsBuffer.str(); |
| 299 | return false; |
| 300 | } |
| 301 | |
| 302 | return true; |
| 303 | } |
Stephen Hines | 8b5c5c6 | 2014-06-06 18:03:18 -0700 | [diff] [blame] | 304 | } |