1 //===--- Types.cpp - Driver input & temporary type information ------------===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 #include "clang/Driver/Types.h"
10 #include "clang/Driver/Driver.h"
11 #include "clang/Driver/DriverDiagnostic.h"
12 #include "clang/Driver/Options.h"
13 #include "llvm/ADT/STLExtras.h"
14 #include "llvm/ADT/SmallVector.h"
15 #include "llvm/ADT/StringSwitch.h"
16 #include "llvm/Option/Arg.h"
20 using namespace clang::driver;
21 using namespace clang::driver::types;
25 const char *TempSuffix;
27 const llvm::SmallVector<phases::ID, phases::MaxNumberOfPhases> Phases;
30 static const TypeInfo TypeInfos[] = {
31 #define TYPE(NAME, ID, PP_TYPE, TEMP_SUFFIX, ...) \
32 { NAME, TEMP_SUFFIX, TY_##PP_TYPE, { __VA_ARGS__ }, },
33 #include "clang/Driver/Types.def"
36 static const unsigned numTypes = llvm::array_lengthof(TypeInfos);
38 static const TypeInfo &getInfo(unsigned id) {
39 assert(id > 0 && id - 1 < numTypes && "Invalid Type ID.");
40 return TypeInfos[id - 1];
43 const char *types::getTypeName(ID Id) {
44 return getInfo(Id).Name;
47 types::ID types::getPreprocessedType(ID Id) {
48 ID PPT = getInfo(Id).PreprocessedType;
49 assert((llvm::is_contained(getInfo(Id).Phases, phases::Preprocess) !=
50 (PPT == TY_INVALID)) &&
51 "Unexpected Preprocess Type.");
55 static bool isPrepeocessedModuleType(ID Id) {
56 return Id == TY_CXXModule || Id == TY_PP_CXXModule;
59 types::ID types::getPrecompiledType(ID Id) {
60 if (isPrepeocessedModuleType(Id))
62 if (onlyPrecompileType(Id))
67 const char *types::getTypeTempSuffix(ID Id, bool CLMode) {
81 return getInfo(Id).TempSuffix;
84 bool types::onlyAssembleType(ID Id) {
85 return llvm::is_contained(getInfo(Id).Phases, phases::Assemble) &&
86 !llvm::is_contained(getInfo(Id).Phases, phases::Compile) &&
87 !llvm::is_contained(getInfo(Id).Phases, phases::Backend);
90 bool types::onlyPrecompileType(ID Id) {
91 return llvm::is_contained(getInfo(Id).Phases, phases::Precompile) &&
92 !isPrepeocessedModuleType(Id);
95 bool types::canTypeBeUserSpecified(ID Id) {
96 static const clang::driver::types::ID kStaticLangageTypes[] = {
97 TY_CUDA_DEVICE, TY_HIP_DEVICE, TY_PP_CHeader,
98 TY_PP_ObjCHeader, TY_PP_CXXHeader, TY_PP_ObjCXXHeader,
99 TY_PP_CXXModule, TY_LTO_IR, TY_LTO_BC,
100 TY_Plist, TY_RewrittenObjC, TY_RewrittenLegacyObjC,
101 TY_Remap, TY_PCH, TY_Object,
102 TY_Image, TY_dSYM, TY_Dependencies,
103 TY_CUDA_FATBIN, TY_HIP_FATBIN};
104 return !llvm::is_contained(kStaticLangageTypes, Id);
107 bool types::appendSuffixForType(ID Id) {
108 return Id == TY_PCH || Id == TY_dSYM || Id == TY_CUDA_FATBIN ||
112 bool types::canLipoType(ID Id) {
113 return (Id == TY_Nothing ||
119 bool types::isAcceptedByClang(ID Id) {
125 case TY_C: case TY_PP_C:
127 case TY_CUDA: case TY_PP_CUDA:
132 case TY_ObjC: case TY_PP_ObjC: case TY_PP_ObjC_Alias:
133 case TY_CXX: case TY_PP_CXX:
134 case TY_ObjCXX: case TY_PP_ObjCXX: case TY_PP_ObjCXX_Alias:
135 case TY_CHeader: case TY_PP_CHeader:
137 case TY_ObjCHeader: case TY_PP_ObjCHeader:
138 case TY_CXXHeader: case TY_PP_CXXHeader:
139 case TY_ObjCXXHeader: case TY_PP_ObjCXXHeader:
140 case TY_CXXModule: case TY_PP_CXXModule:
141 case TY_AST: case TY_ModuleFile:
142 case TY_LLVM_IR: case TY_LLVM_BC:
147 bool types::isObjC(ID Id) {
152 case TY_ObjC: case TY_PP_ObjC: case TY_PP_ObjC_Alias:
153 case TY_ObjCXX: case TY_PP_ObjCXX:
154 case TY_ObjCHeader: case TY_PP_ObjCHeader:
155 case TY_ObjCXXHeader: case TY_PP_ObjCXXHeader: case TY_PP_ObjCXX_Alias:
160 bool types::isCXX(ID Id) {
165 case TY_CXX: case TY_PP_CXX:
166 case TY_ObjCXX: case TY_PP_ObjCXX: case TY_PP_ObjCXX_Alias:
167 case TY_CXXHeader: case TY_PP_CXXHeader:
168 case TY_ObjCXXHeader: case TY_PP_ObjCXXHeader:
169 case TY_CXXModule: case TY_PP_CXXModule:
170 case TY_CUDA: case TY_PP_CUDA: case TY_CUDA_DEVICE:
178 bool types::isLLVMIR(ID Id) {
191 bool types::isCuda(ID Id) {
203 bool types::isHIP(ID Id) {
215 bool types::isFortran(ID Id) {
220 case TY_Fortran: case TY_PP_Fortran:
225 bool types::isSrcFile(ID Id) {
226 return Id != TY_Object && getPreprocessedType(Id) != TY_INVALID;
229 types::ID types::lookupTypeForExtension(llvm::StringRef Ext) {
230 return llvm::StringSwitch<types::ID>(Ext)
233 .Case("F", TY_Fortran)
234 .Case("f", TY_PP_Fortran)
235 .Case("h", TY_CHeader)
236 .Case("H", TY_CXXHeader)
239 .Case("M", TY_ObjCXX)
240 .Case("o", TY_Object)
242 .Case("s", TY_PP_Asm)
243 .Case("bc", TY_LLVM_BC)
249 .Case("hh", TY_CXXHeader)
250 .Case("ii", TY_PP_CXX)
251 .Case("ll", TY_LLVM_IR)
252 .Case("mi", TY_PP_ObjC)
253 .Case("mm", TY_ObjCXX)
254 .Case("rs", TY_RenderScript)
257 .Case("asm", TY_PP_Asm)
259 .Case("ccm", TY_CXXModule)
264 .Case("cui", TY_PP_CUDA)
267 .Case("F90", TY_Fortran)
268 .Case("f90", TY_PP_Fortran)
269 .Case("F95", TY_Fortran)
270 .Case("f95", TY_PP_Fortran)
271 .Case("for", TY_PP_Fortran)
272 .Case("FOR", TY_PP_Fortran)
273 .Case("fpp", TY_Fortran)
274 .Case("FPP", TY_Fortran)
277 .Case("hpp", TY_CXXHeader)
278 .Case("iim", TY_PP_CXXModule)
279 .Case("lib", TY_Object)
280 .Case("mii", TY_PP_ObjCXX)
281 .Case("obj", TY_Object)
284 .Case("pcm", TY_ModuleFile)
285 .Case("c++m", TY_CXXModule)
286 .Case("cppm", TY_CXXModule)
287 .Case("cxxm", TY_CXXModule)
288 .Default(TY_INVALID);
291 types::ID types::lookupTypeForTypeSpecifier(const char *Name) {
292 for (unsigned i=0; i<numTypes; ++i) {
293 types::ID Id = (types::ID) (i + 1);
294 if (canTypeBeUserSpecified(Id) &&
295 strcmp(Name, getInfo(Id).Name) == 0)
302 // FIXME: Why don't we just put this list in the defs file, eh.
303 // FIXME: The list is now in Types.def but for now this function will verify
304 // the old behavior and a subsequent change will delete most of the body.
305 void types::getCompilationPhases(ID Id, llvm::SmallVectorImpl<phases::ID> &P) {
306 P = getInfo(Id).Phases;
307 assert(0 < P.size() && "Not enough phases in list");
308 assert(P.size() <= phases::MaxNumberOfPhases && "Too many phases in list");
311 void types::getCompilationPhases(const clang::driver::Driver &Driver,
312 llvm::opt::DerivedArgList &DAL, ID Id,
313 llvm::SmallVectorImpl<phases::ID> &P) {
314 llvm::SmallVector<phases::ID, phases::MaxNumberOfPhases> PhaseList;
315 types::getCompilationPhases(Id, PhaseList);
317 // Filter to compiler mode. When the compiler is run as a preprocessor then
318 // compilation is not an option.
319 // -S runs the compiler in Assembly listing mode.
320 if (Driver.CCCIsCPP() || DAL.getLastArg(options::OPT_E) ||
321 DAL.getLastArg(options::OPT__SLASH_EP) ||
322 DAL.getLastArg(options::OPT_M, options::OPT_MM) ||
323 DAL.getLastArg(options::OPT__SLASH_P))
324 llvm::copy_if(PhaseList, std::back_inserter(P),
325 [](phases::ID Phase) { return Phase <= phases::Preprocess; });
327 // --precompile only runs up to precompilation.
328 // This is a clang extension and is not compatible with GCC.
329 else if (DAL.getLastArg(options::OPT__precompile))
330 llvm::copy_if(PhaseList, std::back_inserter(P),
331 [](phases::ID Phase) { return Phase <= phases::Precompile; });
333 // -{fsyntax-only,-analyze,emit-ast} only run up to the compiler.
334 else if (DAL.getLastArg(options::OPT_fsyntax_only) ||
335 DAL.getLastArg(options::OPT_print_supported_cpus) ||
336 DAL.getLastArg(options::OPT_module_file_info) ||
337 DAL.getLastArg(options::OPT_verify_pch) ||
338 DAL.getLastArg(options::OPT_rewrite_objc) ||
339 DAL.getLastArg(options::OPT_rewrite_legacy_objc) ||
340 DAL.getLastArg(options::OPT__migrate) ||
341 DAL.getLastArg(options::OPT__analyze) ||
342 DAL.getLastArg(options::OPT_emit_ast))
343 llvm::copy_if(PhaseList, std::back_inserter(P),
344 [](phases::ID Phase) { return Phase <= phases::Compile; });
346 else if (DAL.getLastArg(options::OPT_S) ||
347 DAL.getLastArg(options::OPT_emit_llvm))
348 llvm::copy_if(PhaseList, std::back_inserter(P),
349 [](phases::ID Phase) { return Phase <= phases::Backend; });
351 else if (DAL.getLastArg(options::OPT_c))
352 llvm::copy_if(PhaseList, std::back_inserter(P),
353 [](phases::ID Phase) { return Phase <= phases::Assemble; });
355 // Generally means, do every phase until Link.
360 ID types::lookupCXXTypeForCType(ID Id) {
366 return types::TY_CXX;
368 return types::TY_PP_CXX;
369 case types::TY_CHeader:
370 return types::TY_CXXHeader;
371 case types::TY_PP_CHeader:
372 return types::TY_PP_CXXHeader;
376 ID types::lookupHeaderTypeForSourceType(ID Id) {
381 // FIXME: Handle preprocessed input types.
383 return types::TY_CHeader;
385 case types::TY_CXXModule:
386 return types::TY_CXXHeader;
388 return types::TY_ObjCHeader;
389 case types::TY_ObjCXX:
390 return types::TY_ObjCXXHeader;
392 return types::TY_CLHeader;