clang::interp::Function Class Reference

Bytecode function. More...

#include "/opt/doxygen-docs/src/clang/lib/AST/Interp/Function.h"

Public Types
using	ParamDescriptor = std::pair< PrimType, Descriptor * >
using	arg_reverse_iterator = SmallVectorImpl< PrimType >::reverse_iterator
	Range over argument types. More...

Public Member Functions
unsigned	getFrameSize () const
	Returns the size of the function's local stack. More...
unsigned	getArgSize () const
	Returns the size of the argument stackx. More...
CodePtr	getCodeBegin () const
	Returns a pointer to the start of the code. More...
CodePtr	getCodeEnd () const
	Returns a pointer to the end of the code. More...
const FunctionDecl *	getDecl () const
	Returns the original FunctionDecl. More...
SourceLocation	getLoc () const
	Returns the lcoation. More...
ParamDescriptor	getParamDescriptor (unsigned Offset) const
	Returns a parameter descriptor. More...
bool	hasRVO () const
	Checks if the first argument is a RVO pointer. More...
llvm::iterator_range< llvm::SmallVector< Scope, 2 >::iterator >	scopes ()
	Range over the scope blocks. More...
llvm::iterator_range< arg_reverse_iterator >	args_reverse ()
Scope &	getScope (unsigned Idx)
	Returns a specific scope. More...
SourceInfo	getSource (CodePtr PC) const
	Returns the source information at a given PC. More...
bool	isConstexpr () const
	Checks if the function is valid to call in constexpr. More...
bool	isVirtual () const
	Checks if the function is virtual. More...
bool	isConstructor () const
	Checks if the function is a constructor. More...
void	dump () const
	Dumps the disassembled bytecode to llvm::errs(). More...
void	dump (llvm::raw_ostream &OS) const

Friends
class	Program
class	ByteCodeEmitter

Detailed Description

Bytecode function.

Contains links to the bytecode of the function, as well as metadata describing all arguments and stack-local variables.

Definition at line 59 of file Function.h.

Member Typedef Documentation

arg_reverse_iterator

using clang::interp::Function::arg_reverse_iterator = SmallVectorImpl<PrimType>::reverse_iterator

Range over argument types.

Definition at line 91 of file Function.h.

ParamDescriptor

using clang::interp::Function::ParamDescriptor = std::pair<PrimType, Descriptor *>

Definition at line 61 of file Function.h.

Member Function Documentation

args_reverse()

llvm::iterator_range<arg_reverse_iterator> clang::interp::Function::args_reverse ( )

inline

Definition at line 92 of file Function.h.

Referenced by clang::interp::InterpFrame::popArgs().

dump() [1/2]

LLVM_DUMP_METHOD void Function::dump

(

)

const

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

Definition at line 24 of file Disasm.cpp.

Referenced by clang::interp::Program::dump().

dump() [2/2]

LLVM_DUMP_METHOD void Function::dump

(

llvm::raw_ostream &

OS

)

const

Definition at line 26 of file Disasm.cpp.

getArgSize()

unsigned clang::interp::Function::getArgSize ( ) const

inline

Returns the size of the argument stackx.

Definition at line 66 of file Function.h.

getCodeBegin()

CodePtr Function::getCodeBegin

(

)

const

Returns a pointer to the start of the code.

Definition at line 24 of file Function.cpp.

Referenced by clang::interp::InterpFrame::getPC().

getCodeEnd()

CodePtr Function::getCodeEnd

(

)

const

Returns a pointer to the end of the code.

Definition at line 26 of file Function.cpp.

getDecl()

const FunctionDecl* clang::interp::Function::getDecl ( ) const

inline

Returns the original FunctionDecl.

Definition at line 74 of file Function.h.

Referenced by clang::interp::InterpFrame::getCallee().

getFrameSize()

unsigned clang::interp::Function::getFrameSize ( ) const

inline

Returns the size of the function's local stack.

Definition at line 64 of file Function.h.

getLoc()

SourceLocation clang::interp::Function::getLoc ( ) const

inline

Returns the lcoation.

Definition at line 77 of file Function.h.

References clang::interp::Scope::Local::Offset.

getParamDescriptor()

Function::ParamDescriptor Function::getParamDescriptor

(

unsigned

Offset

)

const

Returns a parameter descriptor.

Definition at line 28 of file Function.cpp.

Referenced by clang::interp::InterpFrame::getParamPointer().

getScope()

Scope& clang::interp::Function::getScope ( unsigned  Idx )

inline

Returns a specific scope.

Definition at line 97 of file Function.h.

Referenced by clang::interp::InterpFrame::destroy().

getSource()

SourceInfo Function::getSource

(

CodePtr

PC

)

const

Returns the source information at a given PC.

Definition at line 34 of file Function.cpp.

References Offset.

Referenced by clang::interp::EvalEmitter::getSource(), and clang::interp::InterpState::getSource().

hasRVO()

bool clang::interp::Function::hasRVO ( ) const

inline

Checks if the first argument is a RVO pointer.

Definition at line 83 of file Function.h.

isConstexpr()

bool clang::interp::Function::isConstexpr ( ) const

inline

Checks if the function is valid to call in constexpr.

Definition at line 103 of file Function.h.

Referenced by clang::interp::Context::isPotentialConstantExpr().

isConstructor()

bool clang::interp::Function::isConstructor ( ) const

inline

Checks if the function is a constructor.

Definition at line 109 of file Function.h.

References P.

Referenced by clang::interp::InterpFrame::~InterpFrame().

isVirtual()

bool Function::isVirtual

(

)

const

Checks if the function is virtual.

Definition at line 44 of file Function.cpp.

scopes()

llvm::iterator_range<llvm::SmallVector<Scope, 2>::iterator> clang::interp::Function::scopes ( )

inline

Range over the scope blocks.

Definition at line 86 of file Function.h.

Friends And Related Function Documentation

ByteCodeEmitter

friend class ByteCodeEmitter

friend

Definition at line 129 of file Function.h.

Program

friend class Program

friend

Definition at line 128 of file Function.h.

---

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

• lib/AST/Interp/Function.h
• lib/AST/Interp/Disasm.cpp
• lib/AST/Interp/Function.cpp