An emitter which evaluates opcodes as they are emitted. More...

#include "/home/buildbot/as-worker-4/publish-doxygen-docs/llvm-project/clang/lib/AST/Interp/EvalEmitter.h"

Inheritance diagram for clang::interp::EvalEmitter:

Public Types
using	LabelTy = uint32_t

using	AddrTy = uintptr_t

using	Local = Scope::Local

Public Member Functions
llvm::Expected< bool >	interpretExpr (const Expr *E)

llvm::Expected< bool >	interpretDecl (const VarDecl *VD)

Public Member Functions inherited from clang::interp::SourceMapper
virtual	~SourceMapper ()

virtual SourceInfo	getSource (const Function *F, CodePtr PC) const =0
	Returns source information for a given PC in a function.

const Expr *	getExpr (const Function *F, CodePtr PC) const
	Returns the expression if an opcode belongs to one, null otherwise.

SourceLocation	getLocation (const Function *F, CodePtr PC) const
	Returns the location from which an opcode originates.

SourceRange	getRange (const Function *F, CodePtr PC) const

Protected Member Functions
	EvalEmitter (Context &Ctx, Program &P, State &Parent, InterpStack &Stk, APValue &Result)

virtual	~EvalEmitter ()

void	emitLabel (LabelTy Label)
	Define a label.

LabelTy	getLabel ()
	Create a label.

virtual bool	visitExpr (const Expr *E)=0
	Methods implemented by the compiler.

virtual bool	visitDecl (const VarDecl *VD)=0

bool	bail (const Stmt *S)

bool	bail (const Decl *D)

bool	bail (const SourceLocation &Loc)

bool	jumpTrue (const LabelTy &Label)
	Emits jumps.

bool	jumpFalse (const LabelTy &Label)

bool	jump (const LabelTy &Label)

bool	fallthrough (const LabelTy &Label)

Local	createLocal (Descriptor *D)
	Callback for registering a local.

SourceInfo	getSource (const Function *F, CodePtr PC) const override
	Returns the source location of the current opcode.

Protected Attributes
llvm::DenseMap< const ParmVarDecl *, ParamOffset >	Params
	Parameter indices.

llvm::DenseMap< const ValueDecl *, ParamOffset >	LambdaCaptures
	Lambda captures.

unsigned	LambdaThisCapture

llvm::SmallVector< SmallVector< Local, 8 >, 2 >	Descriptors
	Local descriptors.

Detailed Description

An emitter which evaluates opcodes as they are emitted.

Definition at line 30 of file EvalEmitter.h.

Member Typedef Documentation

◆ AddrTy

using clang::interp::EvalEmitter::AddrTy = uintptr_t

Definition at line 33 of file EvalEmitter.h.

◆ LabelTy

using clang::interp::EvalEmitter::LabelTy = uint32_t

Definition at line 32 of file EvalEmitter.h.

◆ Local

using clang::interp::EvalEmitter::Local = Scope::Local

Definition at line 34 of file EvalEmitter.h.

Constructor & Destructor Documentation

◆ EvalEmitter()

EvalEmitter::EvalEmitter	(	Context &	Ctx,
		Program &	P,
		State &	Parent,
		InterpStack &	Stk,
		APValue &	Result
	)

protected

Definition at line 19 of file EvalEmitter.cpp.

References clang::interp::InterpState::Current.

◆ ~EvalEmitter()

virtual clang::interp::EvalEmitter::~EvalEmitter ( )

inlineprotectedvirtual

Definition at line 43 of file EvalEmitter.h.

Member Function Documentation

◆ bail() [1/3]

bool clang::interp::EvalEmitter::bail ( const Decl * D )

inlineprotected

Definition at line 55 of file EvalEmitter.h.

References bail(), and clang::Decl::getBeginLoc().

Referenced by bail().

◆ bail() [2/3]

bool EvalEmitter::bail ( const SourceLocation & Loc )

protected

Definition at line 71 of file EvalEmitter.cpp.

◆ bail() [3/3]

bool clang::interp::EvalEmitter::bail ( const Stmt * S )

inlineprotected

Definition at line 54 of file EvalEmitter.h.

References bail().

Referenced by bail().

◆ createLocal()

Scope::Local EvalEmitter::createLocal ( Descriptor * D )

protected

Callback for registering a local.

Definition at line 49 of file EvalEmitter.cpp.

References clang::interp::InlineDescriptor::Desc, clang::interp::Descriptor::getAllocSize(), clang::interp::Block::invokeCtor(), clang::interp::InlineDescriptor::IsActive, clang::interp::InlineDescriptor::IsBase, clang::interp::InlineDescriptor::IsConst, clang::interp::InlineDescriptor::IsFieldMutable, clang::interp::InlineDescriptor::IsInitialized, and clang::interp::InlineDescriptor::Offset.

◆ emitLabel()

void EvalEmitter::emitLabel ( LabelTy Label )

protected

Define a label.

Definition at line 43 of file EvalEmitter.cpp.

References Label.

◆ fallthrough()

bool EvalEmitter::fallthrough ( const LabelTy & Label )

protected

Definition at line 99 of file EvalEmitter.cpp.

References Label.

◆ getLabel()

EvalEmitter::LabelTy EvalEmitter::getLabel ( )

protected

Create a label.

Definition at line 47 of file EvalEmitter.cpp.

◆ getSource()

SourceInfo clang::interp::EvalEmitter::getSource	(	const Function *	F,
		CodePtr	PC
	)		const

inlineoverrideprotectedvirtual

Returns the source location of the current opcode.

Implements clang::interp::SourceMapper.

Definition at line 68 of file EvalEmitter.h.

References clang::interp::Function::getSource(), and clang::interp::Function::hasBody().

◆ interpretDecl()

llvm::Expected< bool > EvalEmitter::interpretDecl ( const VarDecl * VD )

Definition at line 35 of file EvalEmitter.cpp.

References visitDecl().

◆ interpretExpr()

llvm::Expected< bool > EvalEmitter::interpretExpr ( const Expr * E )

Definition at line 27 of file EvalEmitter.cpp.

References visitExpr().

◆ jump()

bool EvalEmitter::jump ( const LabelTy & Label )

protected

Definition at line 93 of file EvalEmitter.cpp.

References Label.

◆ jumpFalse()

bool EvalEmitter::jumpFalse ( const LabelTy & Label )

protected

Definition at line 85 of file EvalEmitter.cpp.

References Label, clang::interp::InterpStack::pop(), and clang::interp::InterpState::Stk.

◆ jumpTrue()

bool EvalEmitter::jumpTrue ( const LabelTy & Label )

protected

Emits jumps.

Definition at line 77 of file EvalEmitter.cpp.

References Label, clang::interp::InterpStack::pop(), and clang::interp::InterpState::Stk.

◆ visitDecl()

virtual bool clang::interp::EvalEmitter::visitDecl ( const VarDecl * VD )

protectedpure virtual

Referenced by interpretDecl().

◆ visitExpr()

virtual bool clang::interp::EvalEmitter::visitExpr ( const Expr * E )

protectedpure virtual

Methods implemented by the compiler.

Referenced by interpretExpr().

Member Data Documentation

◆ Descriptors

llvm::SmallVector<SmallVector<Local, 8>, 2> clang::interp::EvalEmitter::Descriptors

protected

Local descriptors.

Definition at line 78 of file EvalEmitter.h.

◆ LambdaCaptures

llvm::DenseMap<const ValueDecl *, ParamOffset> clang::interp::EvalEmitter::LambdaCaptures

protected

Lambda captures.

Definition at line 75 of file EvalEmitter.h.

◆ LambdaThisCapture

unsigned clang::interp::EvalEmitter::LambdaThisCapture

protected

Definition at line 76 of file EvalEmitter.h.

◆ Params

llvm::DenseMap<const ParmVarDecl *, ParamOffset> clang::interp::EvalEmitter::Params

protected

Parameter indices.

Definition at line 73 of file EvalEmitter.h.

The documentation for this class was generated from the following files:

lib/AST/Interp/EvalEmitter.h
lib/AST/Interp/EvalEmitter.cpp

Public Types

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Member Typedef Documentation

◆ AddrTy

◆ LabelTy

◆ Local

Constructor & Destructor Documentation

◆ EvalEmitter()

◆ ~EvalEmitter()

Member Function Documentation

◆ bail() [1/3]

◆ bail() [2/3]

◆ bail() [3/3]

◆ createLocal()

◆ emitLabel()

◆ fallthrough()

◆ getLabel()

◆ getSource()

◆ interpretDecl()

◆ interpretExpr()

◆ jump()

◆ jumpFalse()

◆ jumpTrue()

◆ visitDecl()

◆ visitExpr()

Member Data Documentation

◆ Descriptors

◆ LambdaCaptures

◆ LambdaThisCapture

◆ Params