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Showing content from https://clang.llvm.org/doxygen/Program_8h_source.html below:

clang: lib/AST/ByteCode/Program.h Source File

(

RecordPair :

) {

(

*R = RecordPair.second)

assert(Idx < Globals.size());

Globals[Idx]->block();

<

... Ts>

*

=

(*

, Def, std::forward<Ts>(Args)...);

Funcs.insert({Def, std::unique_ptr<Function>(

)});

*

=

(*

, std::forward<Ts>(Args)...);

AnonFuncs.emplace_back(

);

IsConst =

,

IsTemporary =

,

IsMutable =

) {

allocateDescriptor(

,

, MDSize, IsConst, IsTemporary, IsMutable);

IsConst =

,

IsTemporary =

,

IsMutable =

,

.startDeclaration(VD);

(CurrentDeclaration == NoDeclaration)

std::optional<unsigned>{};

LastDeclaration;

IsWeak,

*

=

);

llvm::DenseMap<const FunctionDecl *, std::unique_ptr<Function>> Funcs;

std::vector<std::unique_ptr<Function>> AnonFuncs;

llvm::DenseMap<const FunctionDecl *, std::vector<unsigned>> Relocs;

std::vector<const void *> NativePointers;

llvm::DenseMap<const void *, unsigned> NativePointerIndices;

PoolAllocTy = llvm::BumpPtrAllocator;

<

... Tys>

*

(

Meta, PoolAllocTy &

,

) {

.Allocate(Meta +

,

(

*));

std::byte *data() {

B.data(); }

*block() {

&B; }

*block()

{

&B; }

PoolAllocTy Allocator;

std::vector<Global *> Globals;

llvm::DenseMap<const void *, unsigned> GlobalIndices;

llvm::DenseMap<const RecordDecl *, Record *>

;

llvm::DenseMap<const void *, unsigned> DummyVariables;

<

... Ts> Descriptor *allocateDescriptor(Ts &&...Args) {

(Allocator) Descriptor(std::forward<Ts>(Args)...);

NoDeclaration = (

)-1;

LastDeclaration = 0;

CurrentDeclaration = NoDeclaration;

startDeclaration(

ValueDecl *Decl) {

LastDeclaration += 1;

CurrentDeclaration = LastDeclaration;

endDeclaration() { CurrentDeclaration = NoDeclaration; }

(llvm::raw_ostream &OS)

;

llvm::MachO::Records Records

This represents one expression.

Represents a function declaration or definition.

FunctionDecl * getCanonicalDecl() override

Retrieves the "canonical" declaration of the given declaration.

A (possibly-)qualified type.

Represents a struct/union/class.

StringLiteral - This represents a string literal expression, e.g.

The base class of the type hierarchy.

Represent the declaration of a variable (in which case it is an lvalue) a function (in which case it ...

A memory block, either on the stack or in the heap.

bool isInitialized() const

Returns whether the data of this block has been initialized via invoking the Ctor func.

Holds all information required to evaluate constexpr code in a module.

A pointer to a memory block, live or dead.

Context to manage declaration lifetimes.

DeclScope(Program &P, const ValueDecl *VD)

The program contains and links the bytecode for all functions.

std::optional< unsigned > getOrCreateGlobal(const ValueDecl *VD, const Expr *Init=nullptr)

Returns or creates a global an creates an index to it.

Function * getFunction(const FunctionDecl *F)

Returns a function.

Block * getGlobal(unsigned Idx)

Returns the value of a global.

std::optional< unsigned > createGlobal(const ValueDecl *VD, const Expr *Init)

Creates a global and returns its index.

const void * getNativePointer(unsigned Idx)

Returns the value of a marshalled native pointer.

Descriptor * createDescriptor(const DeclTy &D, PrimType Type, Descriptor::MetadataSize MDSize=std::nullopt, bool IsConst=false, bool IsTemporary=false, bool IsMutable=false)

Creates a descriptor for a primitive type.

unsigned getOrCreateNativePointer(const void *Ptr)

Marshals a native pointer to an ID for embedding in bytecode.

Function * createFunction(const FunctionDecl *Def, Ts &&...Args)

Creates a new function from a code range.

Pointer getPtrGlobal(unsigned Idx) const

Returns a pointer to a global.

unsigned getOrCreateDummy(const DeclTy &D)

Returns or creates a dummy value for unknown declarations.

void dump() const

Dumps the disassembled bytecode to llvm::errs().

std::optional< unsigned > getCurrentDecl() const

Returns the current declaration ID.

unsigned createGlobalString(const StringLiteral *S, const Expr *Base=nullptr)

Emits a string literal among global data.

Function * createFunction(Ts &&...Args)

Creates an anonymous function.

Record * getOrCreateRecord(const RecordDecl *RD)

Returns a record or creates one if it does not exist.

Structure/Class descriptor.

PrimType

Enumeration of the primitive types of the VM.

bool Alloc(InterpState &S, CodePtr OpPC, const Descriptor *Desc)

llvm::PointerUnion< const Decl *, const Expr * > DeclTy

The JSON file list parser is used to communicate input to InstallAPI.

Describes a memory block created by an allocation site.

std::optional< unsigned > MetadataSize

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