clang 20.0.0git
Namespaces | Macros | Functions
Interp.cpp File Reference
#include "Interp.h"
#include "Function.h"
#include "InterpFrame.h"
#include "InterpShared.h"
#include "InterpStack.h"
#include "Opcode.h"
#include "PrimType.h"
#include "Program.h"
#include "State.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/CXXInheritance.h"
#include "clang/AST/DeclObjC.h"
#include "clang/AST/Expr.h"
#include "clang/AST/ExprCXX.h"
#include "clang/Basic/DiagnosticSema.h"
#include "clang/Basic/TargetInfo.h"
#include "llvm/ADT/StringExtras.h"
#include "Opcodes.inc"

Go to the source code of this file.

Namespaces

namespace  clang
 The JSON file list parser is used to communicate input to InstallAPI.
 
namespace  clang::interp
 

Macros

#define GET_INTERP
 

Functions

static bool RetValue (InterpState &S, CodePtr &Pt)
 
static bool Jmp (InterpState &S, CodePtr &PC, int32_t Offset)
 
static bool Jt (InterpState &S, CodePtr &PC, int32_t Offset)
 
static bool Jf (InterpState &S, CodePtr &PC, int32_t Offset)
 
static void diagnoseMissingInitializer (InterpState &S, CodePtr OpPC, const ValueDecl *VD)
 
static void diagnoseNonConstVariable (InterpState &S, CodePtr OpPC, const ValueDecl *VD)
 
static bool diagnoseUnknownDecl (InterpState &S, CodePtr OpPC, const ValueDecl *D)
 
static bool CheckActive (InterpState &S, CodePtr OpPC, const Pointer &Ptr, AccessKinds AK)
 
static bool CheckTemporary (InterpState &S, CodePtr OpPC, const Pointer &Ptr, AccessKinds AK)
 
static bool CheckGlobal (InterpState &S, CodePtr OpPC, const Pointer &Ptr)
 
static void clang::interp::popArg (InterpState &S, const Expr *Arg)
 
void clang::interp::cleanupAfterFunctionCall (InterpState &S, CodePtr OpPC, const Function *Func)
 
bool clang::interp::CheckExtern (InterpState &S, CodePtr OpPC, const Pointer &Ptr)
 Checks if the variable has externally defined storage.
 
bool clang::interp::CheckArray (InterpState &S, CodePtr OpPC, const Pointer &Ptr)
 Checks if the array is offsetable.
 
bool clang::interp::CheckLive (InterpState &S, CodePtr OpPC, const Pointer &Ptr, AccessKinds AK)
 Checks if a pointer is live and accessible.
 
bool clang::interp::CheckConstant (InterpState &S, CodePtr OpPC, const Descriptor *Desc)
 Checks if the Descriptor is of a constexpr or const global variable.
 
static bool clang::interp::CheckConstant (InterpState &S, CodePtr OpPC, const Pointer &Ptr)
 
bool clang::interp::CheckNull (InterpState &S, CodePtr OpPC, const Pointer &Ptr, CheckSubobjectKind CSK)
 Checks if a pointer is null.
 
bool clang::interp::CheckRange (InterpState &S, CodePtr OpPC, const Pointer &Ptr, AccessKinds AK)
 Checks if a pointer is in range.
 
bool clang::interp::CheckRange (InterpState &S, CodePtr OpPC, const Pointer &Ptr, CheckSubobjectKind CSK)
 Checks if a field from which a pointer is going to be derived is valid.
 
bool clang::interp::CheckSubobject (InterpState &S, CodePtr OpPC, const Pointer &Ptr, CheckSubobjectKind CSK)
 Checks if Ptr is a one-past-the-end pointer.
 
bool clang::interp::CheckDowncast (InterpState &S, CodePtr OpPC, const Pointer &Ptr, uint32_t Offset)
 Checks if the dowcast using the given offset is possible with the given pointer.
 
bool clang::interp::CheckConst (InterpState &S, CodePtr OpPC, const Pointer &Ptr)
 Checks if a pointer points to const storage.
 
bool clang::interp::CheckMutable (InterpState &S, CodePtr OpPC, const Pointer &Ptr)
 Checks if a pointer points to a mutable field.
 
static bool clang::interp::CheckVolatile (InterpState &S, CodePtr OpPC, const Pointer &Ptr, AccessKinds AK)
 
bool clang::interp::CheckInitialized (InterpState &S, CodePtr OpPC, const Pointer &Ptr, AccessKinds AK)
 
bool clang::interp::CheckGlobalInitialized (InterpState &S, CodePtr OpPC, const Pointer &Ptr)
 Check if a global variable is initialized.
 
static bool clang::interp::CheckWeak (InterpState &S, CodePtr OpPC, const Pointer &Ptr)
 
bool clang::interp::CheckLoad (InterpState &S, CodePtr OpPC, const Pointer &Ptr, AccessKinds AK=AK_Read)
 Checks if a value can be loaded from a block.
 
bool clang::interp::CheckFinalLoad (InterpState &S, CodePtr OpPC, const Pointer &Ptr)
 This is not used by any of the opcodes directly.
 
bool clang::interp::CheckStore (InterpState &S, CodePtr OpPC, const Pointer &Ptr)
 Checks if a value can be stored in a block.
 
bool clang::interp::CheckInvoke (InterpState &S, CodePtr OpPC, const Pointer &Ptr)
 Checks if a method can be invoked on an object.
 
bool clang::interp::CheckInit (InterpState &S, CodePtr OpPC, const Pointer &Ptr)
 Checks if a value can be initialized.
 
bool clang::interp::CheckCallable (InterpState &S, CodePtr OpPC, const Function *F)
 Checks if a method can be called.
 
bool clang::interp::CheckCallDepth (InterpState &S, CodePtr OpPC)
 Checks if calling the currently active function would exceed the allowed call depth.
 
bool clang::interp::CheckThis (InterpState &S, CodePtr OpPC, const Pointer &This)
 Checks the 'this' pointer.
 
bool clang::interp::CheckPure (InterpState &S, CodePtr OpPC, const CXXMethodDecl *MD)
 Checks if a method is pure virtual.
 
bool clang::interp::CheckFloatResult (InterpState &S, CodePtr OpPC, const Floating &Result, APFloat::opStatus Status, FPOptions FPO)
 Checks if the result of a floating-point operation is valid in the current context.
 
bool clang::interp::CheckDynamicMemoryAllocation (InterpState &S, CodePtr OpPC)
 Checks if dynamic memory allocation is available in the current language mode.
 
bool clang::interp::CheckNewDeleteForms (InterpState &S, CodePtr OpPC, DynamicAllocator::Form AllocForm, DynamicAllocator::Form DeleteForm, const Descriptor *D, const Expr *NewExpr)
 Diagnose mismatched new[]/delete or new/delete[] pairs.
 
bool clang::interp::CheckDeleteSource (InterpState &S, CodePtr OpPC, const Expr *Source, const Pointer &Ptr)
 Check the source of the pointer passed to delete/delete[] has actually been heap allocated by us.
 
bool clang::interp::CheckDeclRef (InterpState &S, CodePtr OpPC, const DeclRefExpr *DR)
 We aleady know the given DeclRefExpr is invalid for some reason, now figure out why and print appropriate diagnostics.
 
bool clang::interp::CheckDummy (InterpState &S, CodePtr OpPC, const Pointer &Ptr, AccessKinds AK)
 Checks if a pointer is a dummy pointer.
 
bool clang::interp::CheckNonNullArgs (InterpState &S, CodePtr OpPC, const Function *F, const CallExpr *CE, unsigned ArgSize)
 Checks if all the arguments annotated as 'nonnull' are in fact not null.
 
static bool clang::interp::runRecordDestructor (InterpState &S, CodePtr OpPC, const Pointer &BasePtr, const Descriptor *Desc)
 
static bool clang::interp::RunDestructors (InterpState &S, CodePtr OpPC, const Block *B)
 
static bool clang::interp::hasVirtualDestructor (QualType T)
 
bool clang::interp::Free (InterpState &S, CodePtr OpPC, bool DeleteIsArrayForm, bool IsGlobalDelete)
 
void clang::interp::diagnoseEnumValue (InterpState &S, CodePtr OpPC, const EnumDecl *ED, const APSInt &Value)
 
bool clang::interp::CheckLiteralType (InterpState &S, CodePtr OpPC, const Type *T)
 
static bool clang::interp::getField (InterpState &S, CodePtr OpPC, const Pointer &Ptr, uint32_t Off)
 
bool clang::interp::GetPtrField (InterpState &S, CodePtr OpPC, uint32_t Off)
 1) Peeks a Pointer 2) Pushes Pointer.atField(Off) on the stack
 
bool clang::interp::GetPtrFieldPop (InterpState &S, CodePtr OpPC, uint32_t Off)
 
static bool clang::interp::checkConstructor (InterpState &S, CodePtr OpPC, const Function *Func, const Pointer &ThisPtr)
 
bool clang::interp::CallVar (InterpState &S, CodePtr OpPC, const Function *Func, uint32_t VarArgSize)
 
bool clang::interp::Call (InterpState &S, CodePtr OpPC, const Function *Func, uint32_t VarArgSize)
 
bool clang::interp::CallVirt (InterpState &S, CodePtr OpPC, const Function *Func, uint32_t VarArgSize)
 
bool clang::interp::CallBI (InterpState &S, CodePtr OpPC, const Function *Func, const CallExpr *CE, uint32_t BuiltinID)
 
bool clang::interp::CallPtr (InterpState &S, CodePtr OpPC, uint32_t ArgSize, const CallExpr *CE)
 
bool clang::interp::CheckNewTypeMismatch (InterpState &S, CodePtr OpPC, const Expr *E, std::optional< uint64_t > ArraySize=std::nullopt)
 Check if the initializer and storage types of a placement-new expression match.
 
bool clang::interp::InvalidNewDeleteExpr (InterpState &S, CodePtr OpPC, const Expr *E)
 
bool clang::interp::handleFixedPointOverflow (InterpState &S, CodePtr OpPC, const FixedPoint &FP)
 
bool clang::interp::InvalidShuffleVectorIndex (InterpState &S, CodePtr OpPC, uint32_t Index)
 
bool clang::interp::CheckPointerToIntegralCast (InterpState &S, CodePtr OpPC, const Pointer &Ptr, unsigned BitWidth)
 
bool clang::interp::CastPointerIntegralAP (InterpState &S, CodePtr OpPC, uint32_t BitWidth)
 
bool clang::interp::CastPointerIntegralAPS (InterpState &S, CodePtr OpPC, uint32_t BitWidth)
 
bool clang::interp::CheckBitCast (InterpState &S, CodePtr OpPC, bool HasIndeterminateBits, bool TargetIsUCharOrByte)
 
bool clang::interp::GetTypeid (InterpState &S, CodePtr OpPC, const Type *TypePtr, const Type *TypeInfoType)
 Typeid support.
 
bool clang::interp::GetTypeidPtr (InterpState &S, CodePtr OpPC, const Type *TypeInfoType)
 
bool clang::interp::DiagTypeid (InterpState &S, CodePtr OpPC)
 
bool clang::interp::Interpret (InterpState &S)
 Interpreter entry point.
 

Macro Definition Documentation

◆ GET_INTERP

#define GET_INTERP

Function Documentation

◆ CheckActive()

static bool CheckActive ( InterpState &  S,
CodePtr  OpPC,
const Pointer &  Ptr,
AccessKinds  AK 
)
static

Definition at line 129 of file Interp.cpp.

References clang::C, clang::interp::Record::fields(), clang::interp::Pointer::getBase(), clang::interp::Pointer::getField(), clang::interp::Pointer::inUnion(), clang::interp::Pointer::isActive(), clang::interp::Pointer::isField(), clang::interp::Record::isUnion(), and Loc.

Referenced by clang::interp::CheckFinalLoad(), clang::interp::CheckLoad(), and clang::interp::CheckNewTypeMismatch().

◆ CheckGlobal()

static bool CheckGlobal ( InterpState &  S,
CodePtr  OpPC,
const Pointer &  Ptr 
)
static

Definition at line 209 of file Interp.cpp.

References clang::interp::Pointer::getDeclID(), and clang::interp::Pointer::isStatic().

Referenced by clang::interp::CheckStore().

◆ CheckTemporary()

static bool CheckTemporary ( InterpState &  S,
CodePtr  OpPC,
const Pointer &  Ptr,
AccessKinds  AK 
)
static

Definition at line 184 of file Interp.cpp.

References clang::interp::Descriptor::asExpr(), clang::interp::Pointer::block(), E, clang::Sema::getASTContext(), clang::interp::Pointer::getDeclDesc(), clang::interp::Pointer::getDeclID(), clang::interp::Pointer::getDeclLoc(), clang::interp::Block::getEvalID(), and clang::interp::Pointer::isStaticTemporary().

Referenced by clang::interp::CheckFinalLoad(), and clang::interp::CheckLoad().

◆ diagnoseMissingInitializer()

static void diagnoseMissingInitializer ( InterpState &  S,
CodePtr  OpPC,
const ValueDecl *  VD 
)
static

Definition at line 57 of file Interp.cpp.

References E, clang::Decl::getLocation(), and clang::Decl::getSourceRange().

Referenced by clang::interp::CheckInitialized(), diagnoseNonConstVariable(), and diagnoseUnknownDecl().

◆ diagnoseNonConstVariable()

static void diagnoseNonConstVariable ( InterpState &  S,
CodePtr  OpPC,
const ValueDecl *  VD 
)
static

Definition at line 95 of file Interp.cpp.

References diagnoseMissingInitializer(), clang::Sema::getLangOpts(), clang::Decl::getLocation(), clang::ValueDecl::getType(), clang::Type::isIntegralOrEnumerationType(), and Loc.

Referenced by clang::interp::CheckConstant(), clang::interp::CheckExtern(), and diagnoseUnknownDecl().

◆ diagnoseUnknownDecl()

static bool diagnoseUnknownDecl ( InterpState &  S,
CodePtr  OpPC,
const ValueDecl *  D 
)
static

Definition at line 66 of file Interp.cpp.

References D, diagnoseMissingInitializer(), diagnoseNonConstVariable(), E, clang::Sema::getLangOpts(), clang::Decl::getLocation(), clang::Decl::getSourceRange(), and Loc.

Referenced by clang::interp::CheckDeclRef(), and clang::interp::CheckDummy().

◆ Jf()

static bool Jf ( InterpState &  S,
CodePtr &  PC,
int32_t  Offset 
)
static

Definition at line 50 of file Interp.cpp.

◆ Jmp()

static bool Jmp ( InterpState &  S,
CodePtr &  PC,
int32_t  Offset 
)
static

Definition at line 38 of file Interp.cpp.

◆ Jt()

static bool Jt ( InterpState &  S,
CodePtr &  PC,
int32_t  Offset 
)
static

Definition at line 43 of file Interp.cpp.

◆ RetValue()

static bool RetValue ( InterpState &  S,
CodePtr &  Pt 
)
static

Definition at line 30 of file Interp.cpp.

Referenced by clang::ast_matchers::AST_MATCHER_P().

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