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//===--- Types.cpp - Driver input & temporary type information ------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "clang/Driver/Types.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringSwitch.h"
#include <cassert>
#include <string.h>
using namespace clang::driver;
using namespace clang::driver::types;
struct TypeInfo {
const char *Name;
const char *Flags;
const char *TempSuffix;
ID PreprocessedType;
};
static const TypeInfo TypeInfos[] = {
#define TYPE(NAME, ID, PP_TYPE, TEMP_SUFFIX, FLAGS) \
{ NAME, FLAGS, TEMP_SUFFIX, TY_##PP_TYPE, },
#include "clang/Driver/Types.def"
#undef TYPE
};
static const unsigned numTypes = llvm::array_lengthof(TypeInfos);
static const TypeInfo &getInfo(unsigned id) {
assert(id > 0 && id - 1 < numTypes && "Invalid Type ID.");
return TypeInfos[id - 1];
}
const char *types::getTypeName(ID Id) {
return getInfo(Id).Name;
}
types::ID types::getPreprocessedType(ID Id) {
return getInfo(Id).PreprocessedType;
}
const char *types::getTypeTempSuffix(ID Id, bool CLMode) {
if (Id == TY_Object && CLMode)
return "obj";
if (Id == TY_Image && CLMode)
return "exe";
if (Id == TY_PP_Asm && CLMode)
return "asm";
return getInfo(Id).TempSuffix;
}
bool types::onlyAssembleType(ID Id) {
return strchr(getInfo(Id).Flags, 'a');
}
bool types::onlyPrecompileType(ID Id) {
return strchr(getInfo(Id).Flags, 'p');
}
bool types::canTypeBeUserSpecified(ID Id) {
return strchr(getInfo(Id).Flags, 'u');
}
bool types::appendSuffixForType(ID Id) {
return strchr(getInfo(Id).Flags, 'A');
}
bool types::canLipoType(ID Id) {
return (Id == TY_Nothing ||
Id == TY_Image ||
Id == TY_Object ||
Id == TY_LTO_BC);
}
bool types::isAcceptedByClang(ID Id) {
switch (Id) {
default:
return false;
case TY_Asm:
case TY_C: case TY_PP_C:
case TY_CL:
case TY_CUDA:
case TY_ObjC: case TY_PP_ObjC: case TY_PP_ObjC_Alias:
case TY_CXX: case TY_PP_CXX:
case TY_ObjCXX: case TY_PP_ObjCXX: case TY_PP_ObjCXX_Alias:
case TY_CHeader: case TY_PP_CHeader:
case TY_CLHeader:
case TY_ObjCHeader: case TY_PP_ObjCHeader:
case TY_CXXHeader: case TY_PP_CXXHeader:
case TY_ObjCXXHeader: case TY_PP_ObjCXXHeader:
case TY_AST: case TY_ModuleFile:
case TY_LLVM_IR: case TY_LLVM_BC:
return true;
}
}
bool types::isObjC(ID Id) {
switch (Id) {
default:
return false;
case TY_ObjC: case TY_PP_ObjC: case TY_PP_ObjC_Alias:
case TY_ObjCXX: case TY_PP_ObjCXX:
case TY_ObjCHeader: case TY_PP_ObjCHeader:
case TY_ObjCXXHeader: case TY_PP_ObjCXXHeader: case TY_PP_ObjCXX_Alias:
return true;
}
}
bool types::isCXX(ID Id) {
switch (Id) {
default:
return false;
case TY_CXX: case TY_PP_CXX:
case TY_ObjCXX: case TY_PP_ObjCXX: case TY_PP_ObjCXX_Alias:
case TY_CXXHeader: case TY_PP_CXXHeader:
case TY_ObjCXXHeader: case TY_PP_ObjCXXHeader:
case TY_CUDA:
return true;
}
}
types::ID types::lookupTypeForExtension(const char *Ext) {
return llvm::StringSwitch<types::ID>(Ext)
.Case("c", TY_C)
.Case("i", TY_PP_C)
.Case("m", TY_ObjC)
.Case("M", TY_ObjCXX)
.Case("h", TY_CHeader)
.Case("C", TY_CXX)
.Case("H", TY_CXXHeader)
.Case("f", TY_PP_Fortran)
.Case("F", TY_Fortran)
.Case("s", TY_PP_Asm)
.Case("asm", TY_PP_Asm)
.Case("S", TY_Asm)
.Case("o", TY_Object)
.Case("obj", TY_Object)
.Case("ii", TY_PP_CXX)
.Case("mi", TY_PP_ObjC)
.Case("mm", TY_ObjCXX)
.Case("bc", TY_LLVM_BC)
.Case("cc", TY_CXX)
.Case("CC", TY_CXX)
.Case("cl", TY_CL)
.Case("cp", TY_CXX)
.Case("cu", TY_CUDA)
.Case("hh", TY_CXXHeader)
.Case("ll", TY_LLVM_IR)
.Case("hpp", TY_CXXHeader)
.Case("ads", TY_Ada)
.Case("adb", TY_Ada)
.Case("ast", TY_AST)
.Case("c++", TY_CXX)
.Case("C++", TY_CXX)
.Case("cxx", TY_CXX)
.Case("cpp", TY_CXX)
.Case("CPP", TY_CXX)
.Case("CXX", TY_CXX)
.Case("for", TY_PP_Fortran)
.Case("FOR", TY_PP_Fortran)
.Case("fpp", TY_Fortran)
.Case("FPP", TY_Fortran)
.Case("f90", TY_PP_Fortran)
.Case("f95", TY_PP_Fortran)
.Case("F90", TY_Fortran)
.Case("F95", TY_Fortran)
.Case("mii", TY_PP_ObjCXX)
.Case("pcm", TY_ModuleFile)
.Case("pch", TY_PCH)
.Case("gch", TY_PCH)
.Default(TY_INVALID);
}
types::ID types::lookupTypeForTypeSpecifier(const char *Name) {
for (unsigned i=0; i<numTypes; ++i) {
types::ID Id = (types::ID) (i + 1);
if (canTypeBeUserSpecified(Id) &&
strcmp(Name, getInfo(Id).Name) == 0)
return Id;
}
return TY_INVALID;
}
// FIXME: Why don't we just put this list in the defs file, eh.
void types::getCompilationPhases(ID Id, llvm::SmallVectorImpl<phases::ID> &P) {
if (Id != TY_Object) {
if (getPreprocessedType(Id) != TY_INVALID) {
P.push_back(phases::Preprocess);
}
if (onlyPrecompileType(Id)) {
P.push_back(phases::Precompile);
} else {
if (!onlyAssembleType(Id)) {
P.push_back(phases::Compile);
}
P.push_back(phases::Assemble);
}
}
if (!onlyPrecompileType(Id)) {
P.push_back(phases::Link);
}
assert(0 < P.size() && "Not enough phases in list");
assert(P.size() <= phases::MaxNumberOfPhases && "Too many phases in list");
return;
}
ID types::lookupCXXTypeForCType(ID Id) {
switch (Id) {
default:
return Id;
case types::TY_C:
return types::TY_CXX;
case types::TY_PP_C:
return types::TY_PP_CXX;
case types::TY_CHeader:
return types::TY_CXXHeader;
case types::TY_PP_CHeader:
return types::TY_PP_CXXHeader;
}
}
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