Zonr Chang | c383a50 | 2010-10-12 01:52:08 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2010, 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 | |
Shih-wei Liao | b81c6a4 | 2010-10-10 14:15:00 -0700 | [diff] [blame] | 17 | #include "slang.h" |
| 18 | |
| 19 | #include <set> |
| 20 | #include <string> |
| 21 | #include <cstdlib> |
| 22 | |
| 23 | #include "llvm/ADT/SmallVector.h" |
| 24 | |
| 25 | #include "llvm/Support/CommandLine.h" |
| 26 | #include "llvm/Support/ManagedStatic.h" |
| 27 | #include "llvm/Support/MemoryBuffer.h" |
| 28 | |
| 29 | #include "llvm/System/Path.h" |
| 30 | |
| 31 | #include "clang/Driver/Arg.h" |
| 32 | #include "clang/Driver/ArgList.h" |
| 33 | #include "clang/Driver/DriverDiagnostic.h" |
| 34 | #include "clang/Driver/Option.h" |
| 35 | #include "clang/Driver/OptTable.h" |
| 36 | |
| 37 | #include "clang/Frontend/DiagnosticOptions.h" |
| 38 | #include "clang/Frontend/TextDiagnosticPrinter.h" |
| 39 | |
| 40 | #include "slang_rs.h" |
| 41 | #include "slang_rs_reflect_utils.h" |
| 42 | |
| 43 | using namespace slang; |
| 44 | |
| 45 | using namespace clang::driver::options; |
| 46 | |
| 47 | // Class under clang::driver used are enumerated here. |
| 48 | using clang::driver::Arg; |
| 49 | using clang::driver::ArgList; |
| 50 | using clang::driver::InputArgList; |
| 51 | using clang::driver::Option; |
| 52 | using clang::driver::OptTable; |
| 53 | using clang::driver::arg_iterator; |
| 54 | |
| 55 | // SaveStringInSet, ExpandArgsFromBuf and ExpandArgv are all copied from |
| 56 | // $(CLANG_ROOT)/tools/driver/driver.cpp for processing argc/argv passed in |
| 57 | // main(). |
| 58 | static inline const char *SaveStringInSet(std::set<std::string> &SavedStrings, |
| 59 | llvm::StringRef S) { |
| 60 | return SavedStrings.insert(S).first->c_str(); |
| 61 | } |
| 62 | static void ExpandArgsFromBuf(const char *Arg, |
| 63 | llvm::SmallVectorImpl<const char*> &ArgVector, |
| 64 | std::set<std::string> &SavedStrings); |
| 65 | static void ExpandArgv(int argc, const char **argv, |
| 66 | llvm::SmallVectorImpl<const char*> &ArgVector, |
| 67 | std::set<std::string> &SavedStrings); |
| 68 | |
| 69 | enum { |
| 70 | OPT_INVALID = 0, // This is not an option ID. |
| 71 | #define OPTION(NAME, ID, KIND, GROUP, ALIAS, FLAGS, PARAM, \ |
| 72 | HELPTEXT, METAVAR) OPT_##ID, |
| 73 | #include "RSCCOptions.inc" |
| 74 | LastOption |
| 75 | #undef OPTION |
| 76 | }; |
| 77 | |
| 78 | static const OptTable::Info RSCCInfoTable[] = { |
| 79 | #define OPTION(NAME, ID, KIND, GROUP, ALIAS, FLAGS, PARAM, \ |
| 80 | HELPTEXT, METAVAR) \ |
| 81 | { NAME, HELPTEXT, METAVAR, Option::KIND##Class, FLAGS, PARAM, \ |
| 82 | OPT_##GROUP, OPT_##ALIAS }, |
| 83 | #include "RSCCOptions.inc" |
| 84 | }; |
| 85 | |
| 86 | class RSCCOptTable : public OptTable { |
| 87 | public: |
| 88 | RSCCOptTable() |
| 89 | : OptTable(RSCCInfoTable, |
| 90 | sizeof(RSCCInfoTable) / sizeof(RSCCInfoTable[0])) { |
| 91 | } |
| 92 | }; |
| 93 | |
| 94 | OptTable *createRSCCOptTable() { |
| 95 | return new RSCCOptTable(); |
| 96 | } |
| 97 | |
| 98 | /////////////////////////////////////////////////////////////////////////////// |
| 99 | |
| 100 | class RSCCOptions { |
| 101 | public: |
| 102 | // The include search paths |
| 103 | std::vector<std::string> mIncludePaths; |
| 104 | |
| 105 | // The output directory, if any. |
| 106 | std::string mOutputDir; |
| 107 | |
| 108 | // The output type |
| 109 | Slang::OutputType mOutputType; |
| 110 | |
| 111 | unsigned mAllowRSPrefix : 1; |
| 112 | |
| 113 | // If given, the name of the target triple to compile for. If not given the |
| 114 | // target will be selected to match the host. |
| 115 | std::string mTriple; |
| 116 | |
| 117 | // If given, the name of the target CPU to generate code for. |
| 118 | std::string mCPU; |
| 119 | |
| 120 | // The list of target specific features to enable or disable -- this should |
| 121 | // be a list of strings starting with by '+' or '-'. |
| 122 | std::vector<std::string> mFeatures; |
| 123 | |
| 124 | std::string mJavaReflectionPathBase; |
| 125 | |
| 126 | std::string mJavaReflectionPackageName; |
| 127 | |
| 128 | BitCodeStorageType mBitcodeStorage; |
| 129 | |
| 130 | unsigned mOutputDep : 1; |
| 131 | |
| 132 | std::string mOutputDepDir; |
| 133 | |
| 134 | std::vector<std::string> mAdditionalDepTargets; |
| 135 | |
| 136 | unsigned mShowHelp : 1; // Show the -help text. |
| 137 | unsigned mShowVersion : 1; // Show the -version text. |
| 138 | |
| 139 | RSCCOptions() { |
| 140 | mOutputType = Slang::OT_Bitcode; |
| 141 | mBitcodeStorage = BCST_APK_RESOURCE; |
| 142 | mOutputDep = 0; |
| 143 | mShowHelp = 0; |
| 144 | mShowVersion = 0; |
| 145 | } |
| 146 | }; |
| 147 | |
| 148 | // ParseArguments - |
| 149 | static void ParseArguments(llvm::SmallVectorImpl<const char*> &ArgVector, |
| 150 | llvm::SmallVectorImpl<const char*> &Inputs, |
| 151 | RSCCOptions &Opts, |
| 152 | clang::Diagnostic &Diags) { |
| 153 | if (ArgVector.size() > 1) { |
| 154 | const char **ArgBegin = ArgVector.data() + 1; |
| 155 | const char **ArgEnd = ArgVector.data() + ArgVector.size(); |
| 156 | unsigned MissingArgIndex, MissingArgCount; |
| 157 | llvm::OwningPtr<OptTable> OptParser(createRSCCOptTable()); |
| 158 | llvm::OwningPtr<InputArgList> Args( |
| 159 | OptParser->ParseArgs(ArgBegin, ArgEnd, MissingArgIndex, MissingArgCount)); |
| 160 | |
| 161 | // Check for missing argument error. |
| 162 | if (MissingArgCount) |
| 163 | Diags.Report(clang::diag::err_drv_missing_argument) |
| 164 | << Args->getArgString(MissingArgIndex) << MissingArgCount; |
| 165 | |
| 166 | // Issue errors on unknown arguments. |
| 167 | for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), |
| 168 | ie = Args->filtered_end(); it != ie; ++it) |
| 169 | Diags.Report(clang::diag::err_drv_unknown_argument) |
| 170 | << (*it)->getAsString(*Args); |
| 171 | |
| 172 | for (ArgList::const_iterator it = Args->begin(), ie = Args->end(); |
| 173 | it != ie; ++it) { |
| 174 | const Arg *A = *it; |
| 175 | if (A->getOption().getKind() == Option::InputClass) |
| 176 | Inputs.push_back(A->getValue(*Args)); |
| 177 | } |
| 178 | |
| 179 | Opts.mIncludePaths = Args->getAllArgValues(OPT_I); |
| 180 | |
| 181 | Opts.mOutputDir = Args->getLastArgValue(OPT_o); |
| 182 | |
| 183 | if (const Arg *A = Args->getLastArg(OPT_M_Group)) { |
| 184 | switch (A->getOption().getID()) { |
| 185 | case OPT_M: { |
| 186 | Opts.mOutputDep = 1; |
| 187 | Opts.mOutputType = Slang::OT_Dependency; |
| 188 | break; |
| 189 | } |
| 190 | case OPT_MD: { |
| 191 | Opts.mOutputDep = 1; |
| 192 | Opts.mOutputType = Slang::OT_Bitcode; |
| 193 | } |
| 194 | default: { |
| 195 | assert(false && "Invalid option in M group!"); |
| 196 | } |
| 197 | } |
| 198 | } |
| 199 | |
| 200 | if (const Arg *A = Args->getLastArg(OPT_Output_Type_Group)) { |
| 201 | switch (A->getOption().getID()) { |
| 202 | case OPT_emit_asm: { |
| 203 | Opts.mOutputType = Slang::OT_Assembly; |
| 204 | break; |
| 205 | } |
| 206 | case OPT_emit_llvm: { |
| 207 | Opts.mOutputType = Slang::OT_LLVMAssembly; |
| 208 | break; |
| 209 | } |
| 210 | case OPT_emit_bc: { |
| 211 | Opts.mOutputType = Slang::OT_Bitcode; |
| 212 | break; |
| 213 | } |
| 214 | case OPT_emit_nothing: { |
| 215 | Opts.mOutputType = Slang::OT_Nothing; |
| 216 | break; |
| 217 | } |
| 218 | default: { |
| 219 | assert(false && "Invalid option in output type group!"); |
| 220 | } |
| 221 | } |
| 222 | } |
| 223 | |
Zonr Chang | e8c263a | 2010-10-12 00:35:29 +0800 | [diff] [blame] | 224 | if (Opts.mOutputDep && |
| 225 | ((Opts.mOutputType != Slang::OT_Bitcode) && |
| 226 | (Opts.mOutputType != Slang::OT_Dependency))) |
Shih-wei Liao | b81c6a4 | 2010-10-10 14:15:00 -0700 | [diff] [blame] | 227 | Diags.Report(clang::diag::err_drv_argument_not_allowed_with) |
| 228 | << Args->getLastArg(OPT_M_Group)->getAsString(*Args) |
| 229 | << Args->getLastArg(OPT_Output_Type_Group)->getAsString(*Args); |
| 230 | |
| 231 | Opts.mAllowRSPrefix = Args->hasArg(OPT_allow_rs_prefix); |
| 232 | |
Shih-wei Liao | 603217c | 2010-10-11 00:00:52 -0700 | [diff] [blame] | 233 | Opts.mTriple = Args->getLastArgValue(OPT_triple, |
| 234 | "armv7-none-linux-gnueabi"); |
Shih-wei Liao | b81c6a4 | 2010-10-10 14:15:00 -0700 | [diff] [blame] | 235 | Opts.mCPU = Args->getLastArgValue(OPT_target_cpu); |
| 236 | Opts.mFeatures = Args->getAllArgValues(OPT_target_feature); |
| 237 | |
| 238 | Opts.mJavaReflectionPathBase = |
| 239 | Args->getLastArgValue(OPT_java_reflection_path_base); |
| 240 | Opts.mJavaReflectionPackageName = |
| 241 | Args->getLastArgValue(OPT_java_reflection_package_name); |
| 242 | |
| 243 | llvm::StringRef BitcodeStorageValue = |
| 244 | Args->getLastArgValue(OPT_bitcode_storage); |
| 245 | if (BitcodeStorageValue == "ar") |
| 246 | Opts.mBitcodeStorage = BCST_APK_RESOURCE; |
| 247 | else if (BitcodeStorageValue == "jc") |
| 248 | Opts.mBitcodeStorage = BCST_JAVA_CODE; |
| 249 | else if (!BitcodeStorageValue.empty()) |
| 250 | Diags.Report(clang::diag::err_drv_invalid_value) |
| 251 | << OptParser->getOptionName(OPT_bitcode_storage) |
| 252 | << BitcodeStorageValue; |
| 253 | |
| 254 | Opts.mOutputDepDir = |
| 255 | Args->getLastArgValue(OPT_output_dep_dir, Opts.mOutputDir); |
| 256 | Opts.mAdditionalDepTargets = |
| 257 | Args->getAllArgValues(OPT_additional_dep_target); |
| 258 | |
| 259 | Opts.mShowHelp = Args->hasArg(OPT_help); |
| 260 | Opts.mShowVersion = Args->hasArg(OPT_version); |
| 261 | } |
| 262 | |
| 263 | return; |
| 264 | } |
| 265 | |
| 266 | static const char *DetermineOutputFile(const std::string &OutputDir, |
| 267 | const char *InputFile, |
| 268 | Slang::OutputType OutputTyupe, |
| 269 | std::set<std::string> &SavedStrings) { |
| 270 | if (OutputTyupe == Slang::OT_Nothing) |
| 271 | return "/dev/null"; |
| 272 | |
| 273 | std::string OutputFile(OutputDir); |
| 274 | |
| 275 | // Append '/' to Opts.mOutputDir if not presents |
| 276 | if (!OutputFile.empty() && |
| 277 | (OutputFile[OutputFile.size() - 1]) != '/') |
| 278 | OutputFile.append(1, '/'); |
| 279 | |
| 280 | if (OutputTyupe == Slang::OT_Dependency) |
| 281 | // The build system wants the .d file name stem to be exactly the same as |
| 282 | // the source .rs file, instead of the .bc file. |
| 283 | OutputFile.append(RSSlangReflectUtils::GetFileNameStem(InputFile)); |
| 284 | else |
| 285 | OutputFile.append(RSSlangReflectUtils::BCFileNameFromRSFileName(InputFile)); |
| 286 | |
| 287 | switch (OutputTyupe) { |
| 288 | case Slang::OT_Dependency: { |
| 289 | OutputFile.append(".d"); |
| 290 | break; |
| 291 | } |
| 292 | case Slang::OT_Assembly: { |
| 293 | OutputFile.append(".S"); |
| 294 | break; |
| 295 | } |
| 296 | case Slang::OT_LLVMAssembly: { |
| 297 | OutputFile.append(".ll"); |
| 298 | break; |
| 299 | } |
| 300 | case Slang::OT_Object: { |
| 301 | OutputFile.append(".o"); |
| 302 | break; |
| 303 | } |
| 304 | case Slang::OT_Bitcode: { |
| 305 | OutputFile.append(".bc"); |
| 306 | break; |
| 307 | } |
| 308 | case Slang::OT_Nothing: |
| 309 | default: { |
| 310 | assert(false && "Invalid output type!"); |
| 311 | } |
| 312 | } |
| 313 | |
| 314 | return SaveStringInSet(SavedStrings, OutputFile); |
| 315 | } |
| 316 | |
Shih-wei Liao | b81c6a4 | 2010-10-10 14:15:00 -0700 | [diff] [blame] | 317 | int main(int argc, const char **argv) { |
| 318 | std::set<std::string> SavedStrings; |
| 319 | llvm::SmallVector<const char*, 256> ArgVector; |
| 320 | RSCCOptions Opts; |
| 321 | llvm::SmallVector<const char*, 16> Inputs; |
| 322 | std::string Argv0; |
| 323 | |
| 324 | atexit(llvm::llvm_shutdown); |
| 325 | |
| 326 | ExpandArgv(argc, argv, ArgVector, SavedStrings); |
| 327 | |
| 328 | // Argv0 |
| 329 | llvm::sys::Path Path = llvm::sys::Path(ArgVector[0]); |
| 330 | Argv0 = Path.getBasename(); |
| 331 | |
| 332 | // Setup diagnostic engine |
| 333 | clang::TextDiagnosticPrinter *DiagClient = |
| 334 | new clang::TextDiagnosticPrinter(llvm::errs(), clang::DiagnosticOptions()); |
| 335 | DiagClient->setPrefix(Argv0); |
| 336 | clang::Diagnostic Diags(DiagClient); |
| 337 | |
| 338 | Slang::GlobalInitialization(); |
| 339 | |
| 340 | ParseArguments(ArgVector, Inputs, Opts, Diags); |
| 341 | |
| 342 | // Exits when there's any error occurred during parsing the arguments |
| 343 | if (Diags.getNumErrors() > 0) |
| 344 | return 1; |
| 345 | |
| 346 | if (Opts.mShowHelp) { |
| 347 | llvm::OwningPtr<OptTable> OptTbl(createRSCCOptTable()); |
| 348 | OptTbl->PrintHelp(llvm::outs(), Argv0.c_str(), |
| 349 | "RenderScript source compiler"); |
| 350 | return 0; |
| 351 | } |
| 352 | |
| 353 | if (Opts.mShowVersion) { |
| 354 | llvm::cl::PrintVersionMessage(); |
| 355 | return 0; |
| 356 | } |
| 357 | |
| 358 | // No input file |
| 359 | if (Inputs.empty()) { |
| 360 | Diags.Report(clang::diag::err_drv_no_input_files); |
| 361 | return 1; |
| 362 | } |
| 363 | |
Zonr Chang | cf6af6a | 2010-10-12 12:38:51 +0800 | [diff] [blame^] | 364 | // Prepare input data for RS compiler. |
| 365 | std::list<std::pair<const char*, const char*> > IOFiles; |
| 366 | std::list<std::pair<const char*, const char*> > DepFiles; |
| 367 | |
Shih-wei Liao | b81c6a4 | 2010-10-10 14:15:00 -0700 | [diff] [blame] | 368 | llvm::OwningPtr<SlangRS> Compiler(new SlangRS(Opts.mTriple, Opts.mCPU, |
| 369 | Opts.mFeatures)); |
| 370 | |
| 371 | for (int i = 0, e = Inputs.size(); i != e; i++) { |
Zonr Chang | cf6af6a | 2010-10-12 12:38:51 +0800 | [diff] [blame^] | 372 | const char *InputFile = Inputs[i]; |
| 373 | const char *OutputFile = |
| 374 | DetermineOutputFile(Opts.mOutputDir, InputFile, |
| 375 | Opts.mOutputType, SavedStrings); |
| 376 | |
Shih-wei Liao | b81c6a4 | 2010-10-10 14:15:00 -0700 | [diff] [blame] | 377 | if (Opts.mOutputDep) { |
Zonr Chang | cf6af6a | 2010-10-12 12:38:51 +0800 | [diff] [blame^] | 378 | const char *BCOutputFile, *DepOutputFile; |
Zonr Chang | e8c263a | 2010-10-12 00:35:29 +0800 | [diff] [blame] | 379 | |
| 380 | if (Opts.mOutputType == Slang::OT_Bitcode) |
| 381 | BCOutputFile = OutputFile; |
| 382 | else |
| 383 | BCOutputFile = DetermineOutputFile(Opts.mOutputDepDir, InputFile, |
| 384 | Slang::OT_Bitcode, SavedStrings); |
Zonr Chang | cf6af6a | 2010-10-12 12:38:51 +0800 | [diff] [blame^] | 385 | |
| 386 | if (Opts.mOutputType == Slang::OT_Dependency) |
| 387 | DepOutputFile = OutputFile; |
| 388 | else |
| 389 | DepOutputFile = DetermineOutputFile(Opts.mOutputDepDir, InputFile, |
| 390 | Slang::OT_Dependency, SavedStrings); |
| 391 | |
| 392 | DepFiles.push_back(std::make_pair(BCOutputFile, DepOutputFile)); |
Shih-wei Liao | b81c6a4 | 2010-10-10 14:15:00 -0700 | [diff] [blame] | 393 | } |
Zonr Chang | cf6af6a | 2010-10-12 12:38:51 +0800 | [diff] [blame^] | 394 | |
| 395 | IOFiles.push_back(std::make_pair(InputFile, OutputFile)); |
| 396 | } |
| 397 | |
| 398 | // Let's rock! |
| 399 | if (!Compiler->compile(IOFiles, |
| 400 | DepFiles, |
| 401 | Opts.mIncludePaths, |
| 402 | Opts.mAdditionalDepTargets, |
| 403 | Opts.mOutputType, |
| 404 | Opts.mBitcodeStorage, |
| 405 | Opts.mAllowRSPrefix, |
| 406 | Opts.mOutputDep, |
| 407 | Opts.mJavaReflectionPathBase, |
| 408 | Opts.mJavaReflectionPackageName)) { |
| 409 | llvm::errs() << Compiler->getErrorMessage(); |
| 410 | return 1; |
Shih-wei Liao | b81c6a4 | 2010-10-10 14:15:00 -0700 | [diff] [blame] | 411 | } |
| 412 | |
| 413 | return 0; |
| 414 | } |
| 415 | |
| 416 | /////////////////////////////////////////////////////////////////////////////// |
| 417 | |
| 418 | // ExpandArgsFromBuf - |
| 419 | static void ExpandArgsFromBuf(const char *Arg, |
| 420 | llvm::SmallVectorImpl<const char*> &ArgVector, |
| 421 | std::set<std::string> &SavedStrings) { |
| 422 | const char *FName = Arg + 1; |
| 423 | llvm::MemoryBuffer *MemBuf = llvm::MemoryBuffer::getFile(FName); |
| 424 | if (!MemBuf) { |
| 425 | ArgVector.push_back(SaveStringInSet(SavedStrings, Arg)); |
| 426 | return; |
| 427 | } |
| 428 | |
| 429 | const char *Buf = MemBuf->getBufferStart(); |
| 430 | char InQuote = ' '; |
| 431 | std::string CurArg; |
| 432 | |
| 433 | for (const char *P = Buf; ; ++P) { |
| 434 | if (*P == '\0' || (isspace(*P) && InQuote == ' ')) { |
| 435 | if (!CurArg.empty()) { |
| 436 | if (CurArg[0] != '@') { |
| 437 | ArgVector.push_back(SaveStringInSet(SavedStrings, CurArg)); |
| 438 | } else { |
| 439 | ExpandArgsFromBuf(CurArg.c_str(), ArgVector, SavedStrings); |
| 440 | } |
| 441 | |
| 442 | CurArg = ""; |
| 443 | } |
| 444 | if (*P == '\0') |
| 445 | break; |
| 446 | else |
| 447 | continue; |
| 448 | } |
| 449 | |
| 450 | if (isspace(*P)) { |
| 451 | if (InQuote != ' ') |
| 452 | CurArg.push_back(*P); |
| 453 | continue; |
| 454 | } |
| 455 | |
| 456 | if (*P == '"' || *P == '\'') { |
| 457 | if (InQuote == *P) |
| 458 | InQuote = ' '; |
| 459 | else if (InQuote == ' ') |
| 460 | InQuote = *P; |
| 461 | else |
| 462 | CurArg.push_back(*P); |
| 463 | continue; |
| 464 | } |
| 465 | |
| 466 | if (*P == '\\') { |
| 467 | ++P; |
| 468 | if (*P != '\0') |
| 469 | CurArg.push_back(*P); |
| 470 | continue; |
| 471 | } |
| 472 | CurArg.push_back(*P); |
| 473 | } |
| 474 | delete MemBuf; |
| 475 | } |
| 476 | |
| 477 | // ExpandArgsFromBuf - |
| 478 | static void ExpandArgv(int argc, const char **argv, |
| 479 | llvm::SmallVectorImpl<const char*> &ArgVector, |
| 480 | std::set<std::string> &SavedStrings) { |
| 481 | for (int i = 0; i < argc; ++i) { |
| 482 | const char *Arg = argv[i]; |
| 483 | if (Arg[0] != '@') { |
| 484 | ArgVector.push_back(SaveStringInSet(SavedStrings, std::string(Arg))); |
| 485 | continue; |
| 486 | } |
| 487 | |
| 488 | ExpandArgsFromBuf(Arg, ArgVector, SavedStrings); |
| 489 | } |
| 490 | } |