clang  6.0.0svn
Macros | Functions
InitPreprocessor.cpp File Reference
#include "clang/Basic/FileManager.h"
#include "clang/Basic/MacroBuilder.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Basic/SyncScope.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/Basic/Version.h"
#include "clang/Frontend/FrontendDiagnostic.h"
#include "clang/Frontend/FrontendOptions.h"
#include "clang/Frontend/Utils.h"
#include "clang/Lex/HeaderSearch.h"
#include "clang/Lex/PTHManager.h"
#include "clang/Lex/Preprocessor.h"
#include "clang/Lex/PreprocessorOptions.h"
#include "clang/Serialization/ASTReader.h"
#include "llvm/ADT/APFloat.h"
#include "clang/Basic/OpenCLExtensions.def"
Include dependency graph for InitPreprocessor.cpp:

Go to the source code of this file.

Macros

#define TOSTR2(X)   #X
 
#define TOSTR(X)   TOSTR2(X)
 
#define DEFINE_LOCK_FREE_MACRO(TYPE, Type)
 
#define OPENCLEXT(Ext)
 

Functions

static bool MacroBodyEndsInBackslash (StringRef MacroBody)
 
static void DefineBuiltinMacro (MacroBuilder &Builder, StringRef Macro, DiagnosticsEngine &Diags)
 
static void AddImplicitInclude (MacroBuilder &Builder, StringRef File)
 AddImplicitInclude - Add an implicit #include of the specified file to the predefines buffer. More...
 
static void AddImplicitIncludeMacros (MacroBuilder &Builder, StringRef File)
 
static void AddImplicitIncludePTH (MacroBuilder &Builder, Preprocessor &PP, StringRef ImplicitIncludePTH)
 AddImplicitIncludePTH - Add an implicit #include using the original file used to generate a PTH cache. More...
 
static void AddImplicitIncludePCH (MacroBuilder &Builder, Preprocessor &PP, const PCHContainerReader &PCHContainerRdr, StringRef ImplicitIncludePCH)
 Add an implicit #include using the original file used to generate a PCH file. More...
 
template<typename T >
static T PickFP (const llvm::fltSemantics *Sem, T IEEEHalfVal, T IEEESingleVal, T IEEEDoubleVal, T X87DoubleExtendedVal, T PPCDoubleDoubleVal, T IEEEQuadVal)
 PickFP - This is used to pick a value based on the FP semantics of the specified FP model. More...
 
static void DefineFloatMacros (MacroBuilder &Builder, StringRef Prefix, const llvm::fltSemantics *Sem, StringRef Ext)
 
static void DefineTypeSize (const Twine &MacroName, unsigned TypeWidth, StringRef ValSuffix, bool isSigned, MacroBuilder &Builder)
 DefineTypeSize - Emit a macro to the predefines buffer that declares a macro named MacroName with the max value for a type with width 'TypeWidth' a signedness of 'isSigned' and with a value suffix of 'ValSuffix' (e.g. More...
 
static void DefineTypeSize (const Twine &MacroName, TargetInfo::IntType Ty, const TargetInfo &TI, MacroBuilder &Builder)
 DefineTypeSize - An overloaded helper that uses TargetInfo to determine the width, suffix, and signedness of the given type. More...
 
static void DefineFmt (const Twine &Prefix, TargetInfo::IntType Ty, const TargetInfo &TI, MacroBuilder &Builder)
 
static void DefineType (const Twine &MacroName, TargetInfo::IntType Ty, MacroBuilder &Builder)
 
static void DefineTypeWidth (StringRef MacroName, TargetInfo::IntType Ty, const TargetInfo &TI, MacroBuilder &Builder)
 
static void DefineTypeSizeof (StringRef MacroName, unsigned BitWidth, const TargetInfo &TI, MacroBuilder &Builder)
 
static void DefineExactWidthIntType (TargetInfo::IntType Ty, const TargetInfo &TI, MacroBuilder &Builder)
 
static void DefineExactWidthIntTypeSize (TargetInfo::IntType Ty, const TargetInfo &TI, MacroBuilder &Builder)
 
static void DefineLeastWidthIntType (unsigned TypeWidth, bool IsSigned, const TargetInfo &TI, MacroBuilder &Builder)
 
static void DefineFastIntType (unsigned TypeWidth, bool IsSigned, const TargetInfo &TI, MacroBuilder &Builder)
 
static const char * getLockFreeValue (unsigned TypeWidth, unsigned TypeAlign, unsigned InlineWidth)
 Get the value the ATOMIC_*_LOCK_FREE macro should have for a type with the specified properties. More...
 
static void AddObjCXXARCLibstdcxxDefines (const LangOptions &LangOpts, MacroBuilder &Builder)
 Add definitions required for a smooth interaction between Objective-C++ automated reference counting and libstdc++ (4.2). More...
 
static void InitializeStandardPredefinedMacros (const TargetInfo &TI, const LangOptions &LangOpts, const FrontendOptions &FEOpts, MacroBuilder &Builder)
 
static void InitializeCPlusPlusFeatureTestMacros (const LangOptions &LangOpts, MacroBuilder &Builder)
 Initialize the predefined C++ language feature test macros defined in ISO/IEC JTC1/SC22/WG21 (C++) SD-6: "SG10 Feature Test Recommendations". More...
 
static void InitializePredefinedMacros (const TargetInfo &TI, const LangOptions &LangOpts, const FrontendOptions &FEOpts, MacroBuilder &Builder)
 

Macro Definition Documentation

◆ DEFINE_LOCK_FREE_MACRO

#define DEFINE_LOCK_FREE_MACRO (   TYPE,
  Type 
)
Value:
Builder.defineMacro(Prefix + #TYPE "_LOCK_FREE", \
getLockFreeValue(TI.get##Type##Width(), \
TI.get##Type##Align(), \
InlineWidthBits));
The base class of the type hierarchy.
Definition: Type.h:1353
#define TYPE(DERIVED, BASE)
Definition: ASTFwd.h:27
static const char * getLockFreeValue(unsigned TypeWidth, unsigned TypeAlign, unsigned InlineWidth)
Get the value the ATOMIC_*_LOCK_FREE macro should have for a type with the specified properties...

◆ OPENCLEXT

#define OPENCLEXT (   Ext)
Value:
if (TI.getSupportedOpenCLOpts().isSupported(#Ext, \
LangOpts.OpenCLVersion)) \
Builder.defineMacro(#Ext);

◆ TOSTR

#define TOSTR (   X)    TOSTR2(X)

◆ TOSTR2

#define TOSTR2 (   X)    #X

Function Documentation

◆ AddImplicitInclude()

static void AddImplicitInclude ( MacroBuilder Builder,
StringRef  File 
)
static

AddImplicitInclude - Add an implicit #include of the specified file to the predefines buffer.

As these includes are generated by -include arguments the header search logic is going to search relatively to the current working directory.

Definition at line 69 of file InitPreprocessor.cpp.

◆ AddImplicitIncludeMacros()

static void AddImplicitIncludeMacros ( MacroBuilder Builder,
StringRef  File 
)
static

Definition at line 73 of file InitPreprocessor.cpp.

◆ AddImplicitIncludePCH()

static void AddImplicitIncludePCH ( MacroBuilder Builder,
Preprocessor PP,
const PCHContainerReader PCHContainerRdr,
StringRef  ImplicitIncludePCH 
)
static

Add an implicit #include using the original file used to generate a PCH file.

Definition at line 98 of file InitPreprocessor.cpp.

◆ AddImplicitIncludePTH()

static void AddImplicitIncludePTH ( MacroBuilder Builder,
Preprocessor PP,
StringRef  ImplicitIncludePTH 
)
static

AddImplicitIncludePTH - Add an implicit #include using the original file used to generate a PTH cache.

Definition at line 81 of file InitPreprocessor.cpp.

◆ AddObjCXXARCLibstdcxxDefines()

static void AddObjCXXARCLibstdcxxDefines ( const LangOptions LangOpts,
MacroBuilder Builder 
)
static

Add definitions required for a smooth interaction between Objective-C++ automated reference counting and libstdc++ (4.2).

Definition at line 306 of file InitPreprocessor.cpp.

◆ DefineBuiltinMacro()

static void DefineBuiltinMacro ( MacroBuilder Builder,
StringRef  Macro,
DiagnosticsEngine Diags 
)
static

Definition at line 40 of file InitPreprocessor.cpp.

◆ DefineExactWidthIntType()

static void DefineExactWidthIntType ( TargetInfo::IntType  Ty,
const TargetInfo TI,
MacroBuilder Builder 
)
static

Definition at line 226 of file InitPreprocessor.cpp.

◆ DefineExactWidthIntTypeSize()

static void DefineExactWidthIntTypeSize ( TargetInfo::IntType  Ty,
const TargetInfo TI,
MacroBuilder Builder 
)
static

Definition at line 246 of file InitPreprocessor.cpp.

◆ DefineFastIntType()

static void DefineFastIntType ( unsigned  TypeWidth,
bool  IsSigned,
const TargetInfo TI,
MacroBuilder Builder 
)
static

Definition at line 274 of file InitPreprocessor.cpp.

◆ DefineFloatMacros()

static void DefineFloatMacros ( MacroBuilder Builder,
StringRef  Prefix,
const llvm::fltSemantics *  Sem,
StringRef  Ext 
)
static

Definition at line 130 of file InitPreprocessor.cpp.

◆ DefineFmt()

static void DefineFmt ( const Twine &  Prefix,
TargetInfo::IntType  Ty,
const TargetInfo TI,
MacroBuilder Builder 
)
static

Definition at line 200 of file InitPreprocessor.cpp.

◆ DefineLeastWidthIntType()

static void DefineLeastWidthIntType ( unsigned  TypeWidth,
bool  IsSigned,
const TargetInfo TI,
MacroBuilder Builder 
)
static

Definition at line 261 of file InitPreprocessor.cpp.

◆ DefineType()

static void DefineType ( const Twine &  MacroName,
TargetInfo::IntType  Ty,
MacroBuilder Builder 
)
static

Definition at line 210 of file InitPreprocessor.cpp.

◆ DefineTypeSize() [1/2]

static void DefineTypeSize ( const Twine &  MacroName,
unsigned  TypeWidth,
StringRef  ValSuffix,
bool  isSigned,
MacroBuilder Builder 
)
static

DefineTypeSize - Emit a macro to the predefines buffer that declares a macro named MacroName with the max value for a type with width 'TypeWidth' a signedness of 'isSigned' and with a value suffix of 'ValSuffix' (e.g.

LL).

Definition at line 184 of file InitPreprocessor.cpp.

◆ DefineTypeSize() [2/2]

static void DefineTypeSize ( const Twine &  MacroName,
TargetInfo::IntType  Ty,
const TargetInfo TI,
MacroBuilder Builder 
)
static

DefineTypeSize - An overloaded helper that uses TargetInfo to determine the width, suffix, and signedness of the given type.

Definition at line 194 of file InitPreprocessor.cpp.

◆ DefineTypeSizeof()

static void DefineTypeSizeof ( StringRef  MacroName,
unsigned  BitWidth,
const TargetInfo TI,
MacroBuilder Builder 
)
static

Definition at line 220 of file InitPreprocessor.cpp.

◆ DefineTypeWidth()

static void DefineTypeWidth ( StringRef  MacroName,
TargetInfo::IntType  Ty,
const TargetInfo TI,
MacroBuilder Builder 
)
static

Definition at line 215 of file InitPreprocessor.cpp.

◆ getLockFreeValue()

static const char* getLockFreeValue ( unsigned  TypeWidth,
unsigned  TypeAlign,
unsigned  InlineWidth 
)
static

Get the value the ATOMIC_*_LOCK_FREE macro should have for a type with the specified properties.

Definition at line 292 of file InitPreprocessor.cpp.

◆ InitializeCPlusPlusFeatureTestMacros()

static void InitializeCPlusPlusFeatureTestMacros ( const LangOptions LangOpts,
MacroBuilder Builder 
)
static

Initialize the predefined C++ language feature test macros defined in ISO/IEC JTC1/SC22/WG21 (C++) SD-6: "SG10 Feature Test Recommendations".

Definition at line 472 of file InitPreprocessor.cpp.

◆ InitializePredefinedMacros()

static void InitializePredefinedMacros ( const TargetInfo TI,
const LangOptions LangOpts,
const FrontendOptions FEOpts,
MacroBuilder Builder 
)
static

Definition at line 550 of file InitPreprocessor.cpp.

◆ InitializeStandardPredefinedMacros()

static void InitializeStandardPredefinedMacros ( const TargetInfo TI,
const LangOptions LangOpts,
const FrontendOptions FEOpts,
MacroBuilder Builder 
)
static

Definition at line 361 of file InitPreprocessor.cpp.

◆ MacroBodyEndsInBackslash()

static bool MacroBodyEndsInBackslash ( StringRef  MacroBody)
static

Definition at line 31 of file InitPreprocessor.cpp.

References clang::isWhitespace().

◆ PickFP()

template<typename T >
static T PickFP ( const llvm::fltSemantics *  Sem,
IEEEHalfVal,
IEEESingleVal,
IEEEDoubleVal,
X87DoubleExtendedVal,
PPCDoubleDoubleVal,
IEEEQuadVal 
)
static

PickFP - This is used to pick a value based on the FP semantics of the specified FP model.

Definition at line 113 of file InitPreprocessor.cpp.