1 //===--- Types.cpp - Driver input & temporary type information ------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "clang/Driver/Types.h"
12 #include "llvm/ADT/StringSwitch.h"
16 using namespace clang::driver;
17 using namespace clang::driver::types;
22 const char *TempSuffix;
26 static const TypeInfo TypeInfos[] = {
27 #define TYPE(NAME, ID, PP_TYPE, TEMP_SUFFIX, FLAGS) \
28 { NAME, FLAGS, TEMP_SUFFIX, TY_##PP_TYPE, },
29 #include "clang/Driver/Types.def"
32 static const unsigned numTypes = sizeof(TypeInfos) / sizeof(TypeInfos[0]);
34 static const TypeInfo &getInfo(unsigned id) {
35 assert(id > 0 && id - 1 < numTypes && "Invalid Type ID.");
36 return TypeInfos[id - 1];
39 const char *types::getTypeName(ID Id) {
40 return getInfo(Id).Name;
43 types::ID types::getPreprocessedType(ID Id) {
44 return getInfo(Id).PreprocessedType;
47 const char *types::getTypeTempSuffix(ID Id) {
48 return getInfo(Id).TempSuffix;
51 bool types::onlyAssembleType(ID Id) {
52 return strchr(getInfo(Id).Flags, 'a');
55 bool types::onlyPrecompileType(ID Id) {
56 return strchr(getInfo(Id).Flags, 'p');
59 bool types::canTypeBeUserSpecified(ID Id) {
60 return strchr(getInfo(Id).Flags, 'u');
63 bool types::appendSuffixForType(ID Id) {
64 return strchr(getInfo(Id).Flags, 'A');
67 bool types::canLipoType(ID Id) {
68 return (Id == TY_Nothing ||
73 bool types::isAcceptedByClang(ID Id) {
79 case TY_C: case TY_PP_C:
82 case TY_ObjC: case TY_PP_ObjC: case TY_PP_ObjC_Alias:
83 case TY_CXX: case TY_PP_CXX:
84 case TY_ObjCXX: case TY_PP_ObjCXX: case TY_PP_ObjCXX_Alias:
85 case TY_CHeader: case TY_PP_CHeader:
87 case TY_ObjCHeader: case TY_PP_ObjCHeader:
88 case TY_CXXHeader: case TY_PP_CXXHeader:
89 case TY_ObjCXXHeader: case TY_PP_ObjCXXHeader:
91 case TY_LLVM_IR: case TY_LLVM_BC:
96 bool types::isOnlyAcceptedByClang(ID Id) {
104 case TY_RewrittenObjC:
105 case TY_RewrittenLegacyObjC:
110 bool types::isObjC(ID Id) {
115 case TY_ObjC: case TY_PP_ObjC: case TY_PP_ObjC_Alias:
116 case TY_ObjCXX: case TY_PP_ObjCXX:
117 case TY_ObjCHeader: case TY_PP_ObjCHeader:
118 case TY_ObjCXXHeader: case TY_PP_ObjCXXHeader: case TY_PP_ObjCXX_Alias:
123 bool types::isCXX(ID Id) {
128 case TY_CXX: case TY_PP_CXX:
129 case TY_ObjCXX: case TY_PP_ObjCXX:
130 case TY_CXXHeader: case TY_PP_CXXHeader:
131 case TY_ObjCXXHeader: case TY_PP_ObjCXXHeader:
136 types::ID types::lookupTypeForExtension(const char *Ext) {
137 return llvm::StringSwitch<types::ID>(Ext)
141 .Case("M", TY_ObjCXX)
142 .Case("h", TY_CHeader)
144 .Case("H", TY_CXXHeader)
145 .Case("f", TY_PP_Fortran)
146 .Case("F", TY_Fortran)
147 .Case("s", TY_PP_Asm)
149 .Case("o", TY_Object)
150 .Case("ii", TY_PP_CXX)
151 .Case("mi", TY_PP_ObjC)
152 .Case("mm", TY_ObjCXX)
153 .Case("bc", TY_LLVM_BC)
159 .Case("hh", TY_CXXHeader)
160 .Case("ll", TY_LLVM_IR)
161 .Case("hpp", TY_CXXHeader)
171 .Case("for", TY_PP_Fortran)
172 .Case("FOR", TY_PP_Fortran)
173 .Case("fpp", TY_Fortran)
174 .Case("FPP", TY_Fortran)
175 .Case("f90", TY_PP_Fortran)
176 .Case("f95", TY_PP_Fortran)
177 .Case("F90", TY_Fortran)
178 .Case("F95", TY_Fortran)
179 .Case("mii", TY_PP_ObjCXX)
180 .Default(TY_INVALID);
183 types::ID types::lookupTypeForTypeSpecifier(const char *Name) {
184 unsigned N = strlen(Name);
186 for (unsigned i=0; i<numTypes; ++i) {
187 types::ID Id = (types::ID) (i + 1);
188 if (canTypeBeUserSpecified(Id) &&
189 memcmp(Name, getInfo(Id).Name, N + 1) == 0)
196 // FIXME: Why don't we just put this list in the defs file, eh.
198 unsigned types::getNumCompilationPhases(ID Id) {
203 if (getPreprocessedType(Id) != TY_INVALID)
206 if (onlyAssembleType(Id))
207 return N + 2; // assemble, link
208 if (onlyPrecompileType(Id))
209 return N + 1; // precompile
211 return N + 3; // compile, assemble, link
214 phases::ID types::getCompilationPhase(ID Id, unsigned N) {
215 assert(N < getNumCompilationPhases(Id) && "Invalid index.");
220 if (getPreprocessedType(Id) != TY_INVALID) {
222 return phases::Preprocess;
226 if (onlyAssembleType(Id))
227 return N == 0 ? phases::Assemble : phases::Link;
229 if (onlyPrecompileType(Id))
230 return phases::Precompile;
233 return phases::Compile;
235 return phases::Assemble;
240 ID types::lookupCXXTypeForCType(ID Id) {
246 return types::TY_CXX;
248 return types::TY_PP_CXX;
249 case types::TY_CHeader:
250 return types::TY_CXXHeader;
251 case types::TY_PP_CHeader:
252 return types::TY_PP_CXXHeader;