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Public 멤버 함수 | 정적 Public 멤버 함수 | Friends | 모든 멤버 목록
by::baseErr 클래스 참조abstract
Core

Base class for error hierarchy 더 자세히 ...

#include <baseErr.hpp>

by::baseErr에 대한 상속 다이어그램 :
by::baseObj by::node by::statable by::frameInteractable by::err by::nerr by::ndummyErr

Public 멤버 함수

 baseErr (errLv::level t)
 
 baseErr (const baseErr &rhs)
 
me & operator= (const me &rhs)
 
virtual nbool operator== (const me &rhs) const =0
 
nbool operator!= (const me &rhs) const
 
const frames & getFrames () const
 
void logStack () const override
 
void dump () const override
 
errLv::level getLv () const override
 
const std::string & getMsg () const override
 
virtual errCode getErrCode () const
 
- by::baseObj(으)로부터 상속된 Public 멤버 함수
str eval (const args &a) override
 
scope & subs () override
 
state getState () const override
 
void setState (state new1) override
 
priorType prioritize (const args &a) const override
 
virtual const baseObj & getOrigin () const
 
void inFrame (const bicontainable *args) const override
 
void outFrame () const override
 
const src & getSrc () const override
 
virtual const node & getSubPod () const
 Retrieves a sub-pod represented as a node.
 
virtual baseObj * make () const
 
const modifier & getModifier () const override
 
- by::node(으)로부터 상속된 Public 멤버 함수
me & operator[] (const std::string &name)
 
const me & operator[] (const std::string &name) const BY_CONST_FUNC(operator[](name))
 
me & operator[] (const std::string *it)
 
const me & operator[] (const std::string *it) const BY_CONST_FUNC(operator[](it))
 
me & operator[] (const nchar *name)
 
const me & operator[] (const nchar *name) const BY_CONST_FUNC(operator[](name))
 
nbool in (const node &elem) const
 
nbool in (const node *elem) const
 
const scope & subs () const BY_CONST_FUNC(subs()) virtual tstr< nbicontainer > mySubs() const
 Returns a tstr to a container of immediate sub-nodes (excluding inherited or chained ones).
 
const node * promote (const node &it) const
 
const node * promote (const node *it) const BY_SIDE_FUNC(promote)
 
template<typename T >
T * sub (std::function< nbool(const std::string &, const T &)> l)
 
template<typename T >
const T * sub (std::function< nbool(const std::string &, const T &)> l) const BY_CONST_FUNC(sub< T >(l)) template< typename T
 
template<typename T = me>
const T * sub () const BY_CONST_FUNC(sub< T >()) template< typename T
 
template<typename T = me>
T * sub (const std::string *it) BY_SIDE_FUNC(sub)
 
template<typename T = me>
const T * sub (const std::string &name) const BY_CONST_FUNC(sub< T >(name)) template< typename T
 
template<typename T = me>
T * sub (const std::string *name, const args &a) BY_SIDE_FUNC(name
 
template<typename T = me>
const T * sub (const std::string &name, const args &a) const BY_CONST_FUNC(sub< T >(name
 
template<typename T = me>
const T a const T * sub (const std::string *name, const args &a) const BY_CONST_FUNC(sub< T >(name
 
template<typename T >
const T a const T a tnarr< T, strTactic > subAll (std::function< nbool(const std::string &, const T &)> l) const
 
template<typename T = me>
tnarr< T, strTactic > subAll () const
 
template<typename T = me>
tpriorities< T > subAll (const std::string &name) const
 
template<typename T = me>
tpriorities< T > subAll (const std::string *it) const BY_SIDE_FUNC(subAll< T >) template< typename T
 
template<typename T = me>
tpriorities< T > subAll (const std::string &name, const args &a) const
 
template<typename T = me>
tpriorities< T > subAll (const std::string *name, const args *a) const BY_SIDE_FUNC(name
 
tpriorities< T > subAll< T > tpriorities ())
 
template<typename T = me>
tpriorities< T > subAll (const std::string *name, const args &a) const BY_SIDE_FUNC(name
 
tpriorities< T > subAll< T > tpriorities ())
 
bool canEval (const args &a) const
 
priorType prioritize (const args *it) const BY_SIDE_FUNC(it
 
str eval (const args *it) BY_SIDE_FUNC(eval)
 
str eval (const std::string &name, const args &a)
 
str eval (const std::string &name, const args *a) BY_SIDE_FUNC(a
 
str eval (name, a)
 
str str ())
 
str eval (const std::string *name, const args &a) BY_SIDE_FUNC(name
 
str eval str ())
 
str eval (const std::string *name, const args *a) BY_SIDE_FUNC(name &&a
 
str eval str ())
 
str eval (const std::string &name)
 
str eval (const std::string *it) BY_SIDE_FUNC(eval)
 
str eval ()
 
virtual void rel ()
 
template<typename T >
nbool is () const
 
nbool is (const typeProvidable &to) const
 
nbool is (const typeProvidable *it) const BY_SIDE_FUNC(is)
 
nbool is (const type &to) const
 
nbool is (const type *it) const BY_SIDE_FUNC(is)
 
template<typename T >
tstr< T > as () const
 
str as (const typeProvidable &to) const
 
str as (const typeProvidable *it) const BY_SIDE_FUNC(as)
 
str as (const type &to) const
 
str as (const type *it) const BY_SIDE_FUNC(as)
 
template<typename T >
nbool isImpli () const
 
virtual nbool isImpli (const type &to) const
 
nbool isImpli (const typeProvidable &to) const
 
nbool isImpli (const typeProvidable *it) const BY_SIDE_FUNC(isImpli)
 
template<typename T >
tstr< T > asImpli () const
 
virtual str asImpli (const type &to) const
 
str asImpli (const typeProvidable &to) const
 
str asImpli (const typeProvidable *it) const BY_SIDE_FUNC(asImpli)
 
virtual nbool isComplete () const
 
virtual str infer () const
 
virtual void accept (const visitInfo &i, visitor &v)
 
void inFrame (const bicontainable *args) const override
 
void outFrame () const override
 
virtual void inFrame (const bicontainable *args) const=0
 
void inFrame () const
 
virtual void outFrame () const=0
 
- by::frameInteractable(으)로부터 상속된 Public 멤버 함수
void inFrame () const
 

정적 Public 멤버 함수

static scope & makeSubs ()
 

Friends

template<typename T , nbool >
struct tmarshaling
 

추가로 상속된 멤버들

- by::node(으)로부터 상속된 Public 속성
T sub name
 
T sub nullptr
 
tpriorities< T > subAll< T > name
 
priorType prioritize it
 
priorType prioritize NO_MATCH
 
str eval name
 
- by::baseObj(으)로부터 상속된 정적 Public 속성
static const std::string COMMON_NAME = "@common"
 
static const std::string EXPAND_NAME = "@expand"
 
- by::baseObj(으)로부터 상속된 Protected 멤버 함수
 baseObj ()=default
 Default constructor for baseObj.
 
 baseObj (const baseObj *org, nbool isScripted)
 Constructs a baseObj from an existing origin object.
 
str _onEvalSub (node &sub, const args &a) override
 Protected virtual method for evaluating a sub-node.
 
void _setSrc (const src &s) override
 
virtual void _inFrame (frame &fr, const bicontainable *args) const
 Enters this object's frame into the current execution stack.
 
virtual void _setType (const mgdType &new1)
 Sets the script type for this base object.
 
virtual void _setModifier (const modifier &mod)
 
virtual str _onBeforeCtor ()
 Hook method called before the object's constructor is fully executed.
 
- by::node(으)로부터 상속된 Protected 멤버 함수
void _setSrc (const src *it) BY_SIDE_FUNC(_setSrc)
 
- by::baseObj(으)로부터 상속된 Protected 속성
tstr< baseObj > _org
 

상세한 설명

Base class for error hierarchy

The base class of the byeol language err class hierarchy. Includes common logic and interfaces for error handling.

Error Concept vs Implementation Gap

Byeol's grammar distinguishes two types of errors. One is known error represented by ?, and the other is exception - cases where errors are returned without being specified as an errorable type. However, in implementation, both are completely identical error objects. Errors are only distinguished by their origin: nerr generated by parser or verifier in native environment, and err generated by byeol code.

err has Strong Reference to frames

Uses this frame to provide callstack information. As explained in frame, frame is created by baseObj during function calls. Later, frame is del()ed by frames, only losing strong references but not immediately deleted from heap. (In this project, it's extremely rare to directly new/delete on heap without reference counting via tstr from the memlite module.) Therefore, as long as err lives, the referenced frame data is also maintained.

Remarks
err is closely related to errReport. See it if curious.

nerr is Mainly Created by core_when

nerr is primarily created by core module's __core_when__. Code looks like this:

WHEN_NUL(stmt).exErr(IS_NUL, getReport(), "stmt").ret(blk);
by::tnarr
Definition tnarr.hpp:9

The above code means if stmt is nullptr, the IS_NUL error is added to the errReport object returned by getReport(), and the function terminates while returning blk.

Dumpable and Log

Logs use the clog module to log the error. Meanwhile, dump() exposes as much information as possible including callstack.

errCode

nerr is managed by errCode for management purposes. nerr is mainly generated by parser or verifier, which helps easily search detailed information by giving codes like Err2203 along with code 2203 when syntax errors occur. errCode also simply defines description strings as literal constants for reference.

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