#include "clang/Analysis/BodyFarm.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/CXXInheritance.h"
#include "clang/AST/Decl.h"
#include "clang/AST/Expr.h"
#include "clang/AST/ExprCXX.h"
#include "clang/AST/ExprObjC.h"
#include "clang/AST/NestedNameSpecifier.h"
#include "clang/Analysis/CodeInjector.h"
#include "clang/Basic/Builtins.h"
#include "clang/Basic/OperatorKinds.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/Support/Debug.h"
#include <optional>

Macros
#define	DEBUG_TYPE "body-farm"

Typedefs
typedef Stmt (	FunctionFarmer) (ASTContext &C, const FunctionDecl *D)

Functions
static bool	isDispatchBlock (QualType Ty)

static CallExpr *	create_call_once_funcptr_call (ASTContext &C, ASTMaker M, const ParmVarDecl Callback, ArrayRef< Expr > CallArgs)

static CallExpr *	create_call_once_lambda_call (ASTContext &C, ASTMaker M, const ParmVarDecl Callback, CXXRecordDecl CallbackDecl, ArrayRef< Expr * > CallArgs)

static Stmt *	create_std_move_forward (ASTContext &C, const FunctionDecl *D)
	Create a fake body for 'std::move' or 'std::forward'.

static Stmt *	create_call_once (ASTContext &C, const FunctionDecl *D)
	Create a fake body for std::call_once.

static Stmt *	create_dispatch_once (ASTContext &C, const FunctionDecl *D)
	Create a fake body for dispatch_once.

static Stmt *	create_dispatch_sync (ASTContext &C, const FunctionDecl *D)
	Create a fake body for dispatch_sync.

static Stmt *	create_OSAtomicCompareAndSwap (ASTContext &C, const FunctionDecl *D)

static const ObjCIvarDecl *	findBackingIvar (const ObjCPropertyDecl *Prop)

static Stmt *	createObjCPropertyGetter (ASTContext &Ctx, const ObjCMethodDecl *MD)

Macro Definition Documentation

◆ DEBUG_TYPE

#define DEBUG_TYPE "body-farm"

Definition at line 29 of file BodyFarm.cpp.

Typedef Documentation

◆ FunctionFarmer

typedef Stmt *(* FunctionFarmer) (ASTContext &C, const FunctionDecl *D)

Definition at line 259 of file BodyFarm.cpp.

Function Documentation

◆ create_call_once()

static Stmt * create_call_once	(	ASTContext &	C,
		const FunctionDecl *	D
	)

static

Create a fake body for std::call_once.

Emulates the following function body:

typedef struct once_flag_s {
  unsigned long __state = 0;
} once_flag;
template<class Callable>
void call_once(once_flag& o, Callable func) {
  if (!o.__state) {
    func();
  }
  o.__state = 1;
}

Definition at line 346 of file BodyFarm.cpp.

References clang::C, clang::UnaryOperator::Create(), clang::IfStmt::Create(), create_call_once_funcptr_call(), create_call_once_lambda_call(), D, clang::Type::getAs(), clang::Type::getAsCXXRecordDecl(), clang::Type::getAsRecordDecl(), clang::QualType::getCanonicalType(), clang::CXXRecordDecl::getLambdaCallOperator(), clang::QualType::getNonReferenceType(), clang::FunctionProtoType::getNumParams(), clang::FunctionProtoType::getParamType(), clang::Type::getPointeeType(), clang::ValueDecl::getType(), clang::CXXRecordDecl::isLambda(), clang::QualType::isNull(), clang::Type::isReferenceType(), clang::OK_Ordinary, and clang::VK_PRValue.

Referenced by clang::BodyFarm::getBody().

◆ create_call_once_funcptr_call()

static CallExpr * create_call_once_funcptr_call	(	ASTContext &	C,
		ASTMaker	M,
		const ParmVarDecl *	Callback,
		ArrayRef< Expr * >	CallArgs
	)

static

Definition at line 261 of file BodyFarm.cpp.

References clang::C, clang::Call, clang::CallExpr::Create(), clang::QualType::getNonReferenceType(), clang::Type::isLValueReferenceType(), clang::Type::isRValueReferenceType(), and clang::VK_PRValue.

Referenced by create_call_once().

◆ create_call_once_lambda_call()

static CallExpr * create_call_once_lambda_call	(	ASTContext &	C,
		ASTMaker	M,
		const ParmVarDecl *	Callback,
		CXXRecordDecl *	CallbackDecl,
		ArrayRef< Expr * >	CallArgs
	)