object

package
v0.13.0 Latest Latest
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 Go to latest Published: Dec 30, 2023 License: MIT Imports: 13 Imported by: 0

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Index

Constants

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const (
	// StrFileName is a dummy file name for str literal, which is used for stacktraces.
	StrFileName = "<string>"
	// StdinFileName is a dummy file name for stdin, which is used for stacktraces.
	StdinFileName = "<stdin>"

	// SourcePathVar is a variable name which contains source file path str.
	SourcePathVar = "_PANGAEA_SOURCE_PATH"
)
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const (
	Err             = "Err"
	AssertionErr    = "AssertionErr"
	FileNotFoundErr = "FileNotFoundErr"
	NameErr         = "NameErr"
	NoPropErr       = "NoPropErr"
	NotImplementErr = "NotImplementedErr"
	StopIterErr     = "StopIterErr"
	SyntaxErr       = "SyntaxErr"
	TypeErr         = "TypeErr"
	ValueErr        = "ValueErr"
	ZeroDivisionErr = "ZeroDivisionErr"
)

nolint: comment

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const ArrType = "ArrType"

ArrType is a type of PanArr.

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const BoolType = "BoolType"

BoolType is a type of PanBool.

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const BuiltInIterType = "BuiltInIterType"

BuiltInIterType is a type of PanBuiltInIter.

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const BuiltInType = "BuiltInType"

BuiltInType is a type of PanBuiltIn.

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const DeferType = "DeferType"

DeferType is a type of DeferObj.

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const ErrType = "ErrType"

ErrType is a type of PanErr.

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const ErrWrapperType = "ErrWrapperType"

ErrWrapperType is a type of PanErrWrapper.

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const FloatType = "FloatType"

FloatType is a type of PanFloat.

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const FuncType = "FuncType"

FuncType is a type of PanFunc.

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const IOType = "IOType"

IOType is a type of PanIO.

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const IntType = "IntType"

IntType is a type of PanInt.

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const MapType = "MapType"

MapType is a type of PanMap.

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const MatchType = "MatchType"

MatchType is a type of PanMatch.

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const NilType = "NilType"

NilType is a type of PanNil.

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const ObjType = "ObjType"

ObjType is a type of PanObj.

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const RangeType = "RangeType"

RangeType is a type of PanRange.

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const ReturnType = "ReturnType"

ReturnType is a type of ReturnObj.

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const StrType = "StrType"

StrType is a type of PanStr.

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const YieldType = "YieldType"

YieldType is a type of YieldObj.

Variables

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var BuiltInArrObj = &PanObj{}

BuiltInArrObj is an object of Arr (proto of each arr).

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var BuiltInAssertionErr = &PanObj{}

BuiltInAssertionErr is an object of AssertionErr (proto of each assertionErr).

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var BuiltInBaseObj = &PanObj{}

BuiltInBaseObj is an object of BaseObj (ancestor of all objects).

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var BuiltInComparableObj = &PanObj{}

BuiltInComparableObj is an object of Comparable, which is mixed-in comparable objects.

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var BuiltInDiamondObj = &PanObj{}

BuiltInDiamondObj is an object of Diamond.

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var BuiltInEitherErrObj = &PanObj{}

BuiltInEitherErrObj is an object of EitherErr.

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var BuiltInEitherObj = &PanObj{}

BuiltInEitherObj is an object of Either.

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var BuiltInEitherValObj = &PanObj{}

BuiltInEitherValObj is an object of EitherVal.

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var BuiltInErrObj = &PanObj{}

BuiltInErrObj is an object of Err (proto of all specific err types).

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var BuiltInFalse = &PanBool{false}

BuiltInFalse is a bool object `false`.

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var BuiltInFileNotFoundErr = &PanObj{}

BuiltInFileNotFoundErr is an object of FileNotFoundErr (proto of each fileNotFoundErr).

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var BuiltInFloatObj = &PanObj{}

BuiltInFloatObj is an object of Float (proto of each float).

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var BuiltInFuncObj = &PanObj{}

BuiltInFuncObj is an object of Func (proto of each func).

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var BuiltInIOObj = &PanObj{}

BuiltInIOObj is an object of IO (proto of each io).

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var BuiltInIntObj = &PanObj{}

BuiltInIntObj is an object of Int (proto of each int).

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var BuiltInIterObj = &PanObj{}

BuiltInIterObj is an object of Iter (proto of each iter).

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var BuiltInIterableObj = &PanObj{}

BuiltInIterableObj is an object of Iterable, which is mixed-in iterable objects.

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var BuiltInJSONObj = &PanObj{}

BuiltInJSONObj is an object of JSON, whose props can be used in top-level.

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var BuiltInKernelObj = &PanObj{}

BuiltInKernelObj is an object of Kernel, whose props can be used in top-level.

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var BuiltInMapObj = &PanObj{}

BuiltInMapObj is an object of Map (proto of each map).

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var BuiltInMatchObj = &PanObj{}

BuiltInMatchObj is an object of Match (proto of each match).

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var BuiltInNameErr = &PanObj{}

BuiltInNameErr is an object of NameErr (proto of each nameErr).

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var BuiltInNil = &PanNil{proto: BuiltInNilObj}

BuiltInNil is a nil object `nil`.

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var BuiltInNilObj = &PanObj{}

BuiltInNilObj is an object of Nil (proto of nil).

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var BuiltInNoPropErr = &PanObj{}

BuiltInNoPropErr is an object of NoPropErr (proto of each noPropErr).

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var BuiltInNotImplemented = NewNotImplementedErr("Not implemented")

BuiltInNotImplemented is an object of _

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var BuiltInNotImplementedErr = &PanObj{}

BuiltInNotImplementedErr is an object of NotImplemented (proto of each notImplementdErr).

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var BuiltInNumObj = &PanObj{}

BuiltInNumObj is an object of Num.

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var BuiltInObjObj = &PanObj{}

BuiltInObjObj is an object of Obj (proto of each obj).

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var BuiltInOneInt = &PanInt{Value: 1, proto: BuiltInIntObj}

BuiltInOneInt is an int object `1`.

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var BuiltInRangeObj = &PanObj{}

BuiltInRangeObj is an object of Range (proto of each range).

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var BuiltInStopIterErr = &PanObj{}

BuiltInStopIterErr is an object of StopIterErr (proto of each stopIterErr).

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var BuiltInStrObj = &PanObj{}

BuiltInStrObj is an object of Str (proto of each str).

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var BuiltInSyntaxErr = &PanObj{}

BuiltInSyntaxErr is an object of SyntaxErr (proto of each syntaxErr).

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var BuiltInTrue = &PanBool{true}

BuiltInTrue is a bool object `true`.

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var BuiltInTypeErr = &PanObj{}

BuiltInTypeErr is an object of TypeErr (proto of each typeErr).

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var BuiltInValueErr = &PanObj{}

BuiltInValueErr is an object of ValueErr (proto of each valueErr).

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var BuiltInWrappableObj = &PanObj{}

BuiltInWrappableObj is an object of Wrappable, which is mixed-in wrappable objects.

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var BuiltInZeroDivisionErr = &PanObj{}

BuiltInZeroDivisionErr is an object of ZeroDivisionErr (proto of each zeroDivisionErr).

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var BuiltInZeroInt = &PanInt{Value: 0, proto: BuiltInIntObj}

BuiltInZeroInt is an int object `0`.

Functions

func WithZero added in v0.8.0 

func WithZero(zero PanObject) panObjOption

WithZero can set zero value to the new *PanObj.

func WithZeroFromSelf added in v0.8.0 

func WithZeroFromSelf(f func(*PanObj) PanObject) panObjOption

WithZeroFromSelf can set zero value created from new object itself.

Types

type BuiltInFunc 

type BuiltInFunc func(env *Env, kwargs *PanObj, args ...PanObject) PanObject

BuiltInFunc is a function for PanBuiltIn.

type DeferObj 

type DeferObj struct {
	Node ast.Expr
}

DeferObj is a wrapper for deferred expr.

func (*DeferObj) Inspect 

func (o *DeferObj) Inspect() string

Inspect returns formatted source code of this object.

func (*DeferObj) Proto 

func (o *DeferObj) Proto() PanObject

Proto returns proto of this object.

func (*DeferObj) Repr added in v0.3.0 

func (o *DeferObj) Repr() string

Repr returns pritty-printed string of this object.

func (*DeferObj) Type 

func (o *DeferObj) Type() PanObjType

Type returns type of this PanObject.

func (*DeferObj) Zero added in v0.8.0 

func (e *DeferObj) Zero() PanObject

Zero returns zero value of this object.

type Env 

type Env struct {
	Store map[SymHash]PanObject
	// contains filtered or unexported fields
}

Env is an environment of variables.

func NewCopiedEnv added in v0.2.0 

func NewCopiedEnv(env *Env) *Env

NewCopiedEnv makes copied environment of env, which is independent of original one.

func NewEnclosedEnv 

func NewEnclosedEnv(e *Env) *Env

NewEnclosedEnv makes new environment of variables inside e. It is used to make closure.

func NewEnv 

func NewEnv() *Env

NewEnv makes new environment of variables.

func NewEnvWithConsts 

func NewEnvWithConsts() *Env

NewEnvWithConsts makes new global environment, which includes all standart objects.

func (*Env) Get 

func (e *Env) Get(h SymHash) (PanObject, bool)

Get fetches variable value from the environment.

func (*Env) Global added in v0.10.0 

func (e *Env) Global() *Env

Global returns the outer environment.

func (*Env) InjectFrom 

func (e *Env) InjectFrom(obj *PanObj)

InjectFrom injects all obj props to env.

func (*Env) InjectIO 

func (e *Env) InjectIO(in io.Reader, out io.Writer)

InjectIO injects reader and writer for `IO` object

func (*Env) InjectRecur 

func (e *Env) InjectRecur(recurFunc BuiltInFunc)

InjectRecur injects built-in func `recur`.

func (*Env) Items 

func (e *Env) Items() PanObject

Items returns all variables in the environment as obj.

func (*Env) Outer 

func (e *Env) Outer() *Env

Outer returns outer environment.

func (*Env) Set 

func (e *Env) Set(h SymHash, obj PanObject)

Set sets variable to the environment.

func (*Env) SetSourceFilePath added in v0.11.0 

func (e *Env) SetSourceFilePath(path string)

SetSourceFilePath sets the path of the evaluating source file to _PANGAEA_SOURCE_PATH

type ErrKind 

type ErrKind string

ErrKind is a information to designate error type. NOTE: ErrKind is necessary because all err is implemented by same struct, PanErr.

type FuncKind 

type FuncKind int

FuncKind is a type of func-like objects. NOTE: The type is used to designate func and iter because their implementation is same type. 

const (
	// FuncFunc shows PanFunc is func literal.
	FuncFunc FuncKind = iota
	// IterFunc shows PanFunc is iter literal.
	IterFunc
)

type FuncWrapper 

type FuncWrapper interface {
	String() string
	Args() *PanArr
	Kwargs() *PanObj
	Body() *[]ast.Stmt
}

FuncWrapper is a wrapper for func literal ast node. NOTE: use interface to keep loose coupling to ast package

type HashKey 

type HashKey struct {
	// to distinguish different type values with same hash
	Type  PanObjType
	Value uint64
}

HashKey is a hash for obj/map indexing. All Scalar objects have its own hash.

type MatchWrapper 

type MatchWrapper interface {
	String() string
}

MatchWrapper is a wrapper for match literal ast node. NOTE: keep loose coupling to ast.MatchLiteral and PanMatch ast.MatchLiteral implements MatchWrapper

type Pair 

type Pair struct {
	Key   PanObject
	Value PanObject
}

Pair is a PanObject key-value pair for obj or map items.

type PanArr 

type PanArr struct {
	Elems []PanObject
	// contains filtered or unexported fields
}

PanArr is object of arr literal.

func NewInheritedArr added in v0.8.0 

func NewInheritedArr(proto PanObject, elems ...PanObject) *PanArr

NewInheritedArr returns new arr object born of proto.

func NewPanArr added in v0.3.0 

func NewPanArr(elems ...PanObject) *PanArr

NewPanArr returns new arr object.

func TraceProtoOfArr 

func TraceProtoOfArr(obj PanObject) (*PanArr, bool)

TraceProtoOfArr traces proto chain of obj and returns arr proto.

func (*PanArr) Inspect 

func (a *PanArr) Inspect() string

Inspect returns formatted source code of this object.

func (*PanArr) Proto 

func (a *PanArr) Proto() PanObject

Proto returns proto of this object.

func (*PanArr) Repr added in v0.3.0 

func (a *PanArr) Repr() string

Repr returns pritty-printed string of this object.

func (*PanArr) Type 

func (a *PanArr) Type() PanObjType

Type returns type of this PanObject.

func (*PanArr) Zero added in v0.8.0 

func (a *PanArr) Zero() PanObject

Zero returns zero value of this object.

type PanBool 

type PanBool struct {
	Value bool
}

PanBool is object of bool literal.

func TraceProtoOfBool 

func TraceProtoOfBool(obj PanObject) (*PanBool, bool)

TraceProtoOfBool traces proto chain of obj and returns bool proto.

func (*PanBool) Hash 

func (b *PanBool) Hash() HashKey

Hash returns hashkey of this object.

func (*PanBool) Inspect 

func (b *PanBool) Inspect() string

Inspect returns formatted source code of this object.

func (*PanBool) Proto 

func (b *PanBool) Proto() PanObject

Proto returns proto of this object.

func (*PanBool) Repr added in v0.3.0 

func (b *PanBool) Repr() string

Repr returns pritty-printed string of this object.

func (*PanBool) Type 

func (b *PanBool) Type() PanObjType

Type returns type of this PanObject.

func (*PanBool) Zero added in v0.8.0 

func (b *PanBool) Zero() PanObject

Zero returns zero value of this object.

type PanBuiltIn 

type PanBuiltIn struct {
	Fn BuiltInFunc
}

PanBuiltIn is object of built-in func literal.

func NewPanBuiltInFunc added in v0.3.0 

func NewPanBuiltInFunc(f BuiltInFunc) *PanBuiltIn

NewPanBuiltInFunc returns new BuiltInFunc object.

func TraceProtoOfBuiltInFunc 

func TraceProtoOfBuiltInFunc(obj PanObject) (*PanBuiltIn, bool)

TraceProtoOfBuiltInFunc traces proto chain of obj and returns builtInFunc proto.

func (*PanBuiltIn) Inspect 

func (b *PanBuiltIn) Inspect() string

Inspect returns formatted source code of this object.

func (*PanBuiltIn) Proto 

func (b *PanBuiltIn) Proto() PanObject

Proto returns proto of this object.

func (*PanBuiltIn) Repr added in v0.3.0 

func (b *PanBuiltIn) Repr() string

Repr returns pritty-printed string of this object.

func (*PanBuiltIn) Type 

func (b *PanBuiltIn) Type() PanObjType

Type returns type of this PanObject.

func (*PanBuiltIn) Zero added in v0.8.0 

func (b *PanBuiltIn) Zero() PanObject

Zero returns zero value of this object.

type PanBuiltInIter 

type PanBuiltInIter struct {
	Fn  BuiltInFunc
	Env *Env
}

PanBuiltInIter is object of built-in iter literal. NOTE: it has env to save state

func NewPanBuiltInIter added in v0.3.0 

func NewPanBuiltInIter(f BuiltInFunc, env *Env) *PanBuiltInIter

NewPanBuiltInIter returns new BuiltInIter object.

func TraceProtoOfBuiltInIter 

func TraceProtoOfBuiltInIter(obj PanObject) (*PanBuiltInIter, bool)

TraceProtoOfBuiltInIter traces proto chain of obj and returns builtInIter proto.

func (*PanBuiltInIter) Inspect 

func (b *PanBuiltInIter) Inspect() string

Inspect returns formatted source code of this object.

func (*PanBuiltInIter) Proto 

func (b *PanBuiltInIter) Proto() PanObject

Proto returns proto of this object.

func (*PanBuiltInIter) Repr added in v0.3.0 

func (b *PanBuiltInIter) Repr() string

Repr returns pritty-printed string of this object.

func (*PanBuiltInIter) Type 

func (b *PanBuiltInIter) Type() PanObjType

Type returns type of this PanObject.

func (*PanBuiltInIter) Zero added in v0.8.0 

func (b *PanBuiltInIter) Zero() PanObject

Zero returns zero value of this object.

type PanErr 

type PanErr struct {
	ErrKind    ErrKind
	Msg        string
	StackTrace string
	// contains filtered or unexported fields
}

PanErr is object of err literal.

func NewAssertionErr 

func NewAssertionErr(msg string) *PanErr

NewAssertionErr returns new assertionErr object.

func NewFileNotFoundErr added in v0.11.0 

func NewFileNotFoundErr(msg string) *PanErr

NewFileNotFoundErr returns new fileNotFoundErr object.

func NewNameErr 

func NewNameErr(msg string) *PanErr

NewNameErr returns new nameErr object.

func NewNoPropErr 

func NewNoPropErr(msg string) *PanErr

NewNoPropErr returns new noPropErr object.

func NewNotImplementedErr 

func NewNotImplementedErr(msg string) *PanErr

NewNotImplementedErr returns new notImplementedErr object.

func NewPanErr 

func NewPanErr(msg string) *PanErr

NewPanErr returns new err object.

func NewStopIterErr 

func NewStopIterErr(msg string) *PanErr

NewStopIterErr returns new stopIterErr object. NOTE: This error is prepared to make iter simpler, even though stopIter is not an error actually.

func NewSyntaxErr 

func NewSyntaxErr(msg string) *PanErr

NewSyntaxErr returns new syntaxErr object.

func NewTypeErr 

func NewTypeErr(msg string) *PanErr

NewTypeErr returns new typeErr object.

func NewValueErr 

func NewValueErr(msg string) *PanErr

NewValueErr returns new valueErr object.

func NewZeroDivisionErr 

func NewZeroDivisionErr(msg string) *PanErr

NewZeroDivisionErr returns new zeroDivisionErr object.

func (*PanErr) Inspect 

func (e *PanErr) Inspect() string

Inspect returns formatted source code of this object.

func (*PanErr) Kind added in v0.2.0 

func (e *PanErr) Kind() string

Kind returns kind of this err.

func (*PanErr) Message added in v0.2.0 

func (e *PanErr) Message() string

Message returns error message.

func (*PanErr) Proto 

func (e *PanErr) Proto() PanObject

Proto returns proto of this object.

func (*PanErr) Repr added in v0.3.0 

func (e *PanErr) Repr() string

Repr returns pritty-printed string of this object.

func (*PanErr) Type 

func (e *PanErr) Type() PanObjType

Type returns type of this PanObject.

func (*PanErr) Zero added in v0.8.0 

func (e *PanErr) Zero() PanObject

Zero returns zero value of this object.

type PanErrWrapper added in v0.2.0 

type PanErrWrapper struct {
	PanErr
}

PanErrWrapper is an error wrapper to treat error info without exception.

func TraceProtoOfErrWrapper added in v0.2.0 

func TraceProtoOfErrWrapper(obj PanObject) (*PanErrWrapper, bool)

TraceProtoOfErrWrapper traces proto chain of obj and returns errWrapper proto.

func WrapErr added in v0.2.0 

func WrapErr(err *PanErr) *PanErrWrapper

WrapErr wraps PanErr object and enables to treat error info without exception.

func (*PanErrWrapper) Inspect added in v0.2.0 

func (w *PanErrWrapper) Inspect() string

Inspect returns formatted source code of this object.

func (*PanErrWrapper) Repr added in v0.3.0 

func (w *PanErrWrapper) Repr() string

Repr returns pritty-printed string of this object.

func (*PanErrWrapper) Type added in v0.2.0 

func (w *PanErrWrapper) Type() PanObjType

Type returns type of this PanObject.

type PanFloat 

type PanFloat struct {
	Value float64
	// contains filtered or unexported fields
}

PanFloat is object of float literal.

func NewInheritedFloat added in v0.8.0 

func NewInheritedFloat(proto PanObject, f float64) *PanFloat

NewInheritedFloat returns new float object born of proto.

func NewPanFloat added in v0.3.0 

func NewPanFloat(f float64) *PanFloat

NewPanFloat returns new float object.

func TraceProtoOfFloat 

func TraceProtoOfFloat(obj PanObject) (*PanFloat, bool)

TraceProtoOfFloat traces proto chain of obj and returns float proto.

func (*PanFloat) Hash 

func (f *PanFloat) Hash() HashKey

Hash returns hashkey of this object.

func (*PanFloat) Inspect 

func (f *PanFloat) Inspect() string

Inspect returns formatted source code of this object.

func (*PanFloat) Proto 

func (f *PanFloat) Proto() PanObject

Proto returns proto of this object.

func (*PanFloat) Repr added in v0.3.0 

func (f *PanFloat) Repr() string

Repr returns pritty-printed string of this object.

func (*PanFloat) Type 

func (f *PanFloat) Type() PanObjType

Type returns type of this PanObject.

func (*PanFloat) Zero added in v0.8.0 

func (f *PanFloat) Zero() PanObject

Zero returns zero value of this object.

type PanFunc 

type PanFunc struct {
	FuncWrapper
	FuncKind FuncKind
	Env      *Env
}

PanFunc is object of func literal.

func NewPanFunc added in v0.3.0 

func NewPanFunc(f FuncWrapper, env *Env) *PanFunc

NewPanFunc returns new func object.

func NewPanIter added in v0.3.0 

func NewPanIter(f FuncWrapper, env *Env) *PanFunc

NewPanIter returns new func object.

func TraceProtoOfFunc 

func TraceProtoOfFunc(obj PanObject) (*PanFunc, bool)

TraceProtoOfFunc traces proto chain of obj and returns func proto.

func (*PanFunc) Inspect 

func (f *PanFunc) Inspect() string

Inspect returns formatted source code of this object.

func (*PanFunc) Proto 

func (f *PanFunc) Proto() PanObject

Proto returns proto of this object.

func (*PanFunc) Repr added in v0.3.0 

func (f *PanFunc) Repr() string

Repr returns pritty-printed string of this object.

func (*PanFunc) Type 

func (f *PanFunc) Type() PanObjType

Type returns type of this PanObject.

func (*PanFunc) Zero added in v0.8.0 

func (f *PanFunc) Zero() PanObject

Zero returns zero value of this object.

type PanIO 

type PanIO struct {
	In  io.Reader
	Out io.Writer
	// contains filtered or unexported fields
}

PanIO is object of IO literal.

func NewPanIO added in v0.2.0 

func NewPanIO(in io.Reader, out io.Writer) *PanIO

NewPanIO makes new io object.

func TraceProtoOfIO 

func TraceProtoOfIO(obj PanObject) (*PanIO, bool)

TraceProtoOfIO traces proto chain of obj and returns IO proto.

func (*PanIO) Inspect 

func (io *PanIO) Inspect() string

Inspect returns formatted source code of this object.

func (*PanIO) Proto 

func (io *PanIO) Proto() PanObject

Proto returns proto of this object.

func (*PanIO) ReadLine added in v0.2.0 

func (io *PanIO) ReadLine() (*PanStr, bool)

ReadLine reads line from in and returns it as PanStr.

func (*PanIO) Repr added in v0.3.0 

func (io *PanIO) Repr() string

Repr returns pritty-printed string of this object.

func (*PanIO) Type 

func (io *PanIO) Type() PanObjType

Type returns type of this PanObject.

func (*PanIO) Zero added in v0.8.0 

func (io *PanIO) Zero() PanObject

Zero returns zero value of this object.

type PanInt 

type PanInt struct {
	Value int64
	// contains filtered or unexported fields
}

PanInt is object of int literal.

func NewInheritedInt added in v0.8.0 

func NewInheritedInt(proto PanObject, i int64) *PanInt

NewInheritedInt returns new int object born of proto.

func NewPanInt 

func NewPanInt(i int64) *PanInt

NewPanInt returns new int object. NOTE: `0` and `1` are cached and always same instance are returned.

func TraceProtoOfInt 

func TraceProtoOfInt(obj PanObject) (*PanInt, bool)

TraceProtoOfInt traces proto chain of obj and returns int proto.

func (*PanInt) Hash 

func (i *PanInt) Hash() HashKey

Hash returns hashkey of this object.

func (*PanInt) Inspect 

func (i *PanInt) Inspect() string

Inspect returns formatted source code of this object.

func (*PanInt) Proto 

func (i *PanInt) Proto() PanObject

Proto returns proto of this object.

func (*PanInt) Repr added in v0.3.0 

func (i *PanInt) Repr() string

Repr returns pritty-printed string of this object.

func (*PanInt) Type 

func (i *PanInt) Type() PanObjType

Type returns type of this PanObject.

func (*PanInt) Zero added in v0.8.0 

func (i *PanInt) Zero() PanObject

Zero returns zero value of this object.

type PanMap 

type PanMap struct {
	// used to keep map order
	HashKeys         *[]HashKey
	Pairs            *map[HashKey]Pair
	NonHashablePairs *[]Pair
	// contains filtered or unexported fields
}

PanMap is object of map literal.

func NewEmptyPanMap added in v0.3.0 

func NewEmptyPanMap() *PanMap

NewEmptyPanMap returns new empty map object.

func NewInheritedMap added in v0.8.0 

func NewInheritedMap(proto PanObject, pairs ...Pair) *PanMap

NewInheritedMap returns new map object born of proto.

func NewPanMap added in v0.3.0 

func NewPanMap(pairs ...Pair) *PanMap

NewPanMap returns new map object.

func TraceProtoOfMap 

func TraceProtoOfMap(obj PanObject) (*PanMap, bool)

TraceProtoOfMap traces proto chain of obj and returns map proto.

func (*PanMap) Inspect 

func (m *PanMap) Inspect() string

Inspect returns formatted source code of this object.

func (*PanMap) Proto 

func (m *PanMap) Proto() PanObject

Proto returns proto of this object.

func (*PanMap) Repr added in v0.3.0 

func (m *PanMap) Repr() string

Repr returns pritty-printed string of this object.

func (*PanMap) Type 

func (m *PanMap) Type() PanObjType

Type returns type of this PanObject.

func (*PanMap) Zero added in v0.8.0 

func (m *PanMap) Zero() PanObject

Zero returns zero value of this object.

type PanMatch 

type PanMatch struct {
	MatchWrapper
}

PanMatch is object of match literal.

func TraceProtoOfMatch 

func TraceProtoOfMatch(obj PanObject) (*PanMatch, bool)

TraceProtoOfMatch traces proto chain of obj and returns match proto.

func (*PanMatch) Inspect 

func (m *PanMatch) Inspect() string

Inspect returns formatted source code of this object.

func (*PanMatch) Proto 

func (m *PanMatch) Proto() PanObject

Proto returns proto of this object.

func (*PanMatch) Repr added in v0.3.0 

func (m *PanMatch) Repr() string

Repr returns pritty-printed string of this object.

func (*PanMatch) Type 

func (m *PanMatch) Type() PanObjType

Type returns type of this PanObject.

func (*PanMatch) Zero added in v0.8.0 

func (m *PanMatch) Zero() PanObject

Zero returns zero value of this object.

type PanNil 

type PanNil struct {
	// contains filtered or unexported fields
}

PanNil is object of nil literal.

func NewInheritedNil added in v0.8.0 

func NewInheritedNil(proto PanObject) *PanNil

NewInheritedNil returns new nil object born of proto.

func NewPanNil added in v0.3.0 

func NewPanNil() *PanNil

NewPanNil returns new nil object.

func TraceProtoOfNil 

func TraceProtoOfNil(obj PanObject) (*PanNil, bool)

TraceProtoOfNil traces proto chain of obj and returns nil proto.

func (*PanNil) Hash 

func (n *PanNil) Hash() HashKey

Hash returns hashkey of this object.

func (*PanNil) Inspect 

func (n *PanNil) Inspect() string

Inspect returns formatted source code of this object.

func (*PanNil) Proto 

func (n *PanNil) Proto() PanObject

Proto returns proto of this object.

func (*PanNil) Repr added in v0.3.0 

func (n *PanNil) Repr() string

Repr returns pritty-printed string of this object.

func (*PanNil) Type 

func (n *PanNil) Type() PanObjType

Type returns type of this PanObject.

func (*PanNil) Zero added in v0.8.0 

func (n *PanNil) Zero() PanObject

Zero returns zero value of this object.

type PanObj 

type PanObj struct {
	Pairs       *map[SymHash]Pair
	Keys        *[]SymHash
	PrivateKeys *[]SymHash
	// contains filtered or unexported fields
}

PanObj is object for not only obj literal but also any PanObject except specific data structure literal.

func ChildPanObjPtr 

func ChildPanObjPtr(proto PanObject, src *PanObj, options ...panObjOption) *PanObj

FIXME: call NewPanObj inside ChildPanObjPtr makes new child object of proto with props in src.

func EmptyPanObjPtr 

func EmptyPanObjPtr() *PanObj

EmptyPanObjPtr makes new empty obj literal.

func NewPanObj 

func NewPanObj(pairs *map[SymHash]Pair, proto PanObject, options ...panObjOption) *PanObj

NewPanObj makes new PanObj instance.

func PanObjInstance 

func PanObjInstance(pairs *map[SymHash]Pair) PanObj

FIXME: use PanObjInstancePtr instead PanObjInstance makes new obj literal.

func TraceProtoOfObj 

func TraceProtoOfObj(obj PanObject) (*PanObj, bool)

TraceProtoOfObj traces proto chain of obj and returns PanObj type proto.

func (*PanObj) AddPairs 

func (o *PanObj) AddPairs(pairs *map[SymHash]Pair) error

AddPairs adds pairs to obj. NOTE: Use this method only for prop DI. Otherwise immutability gets broken.

func (*PanObj) Inspect 

func (o *PanObj) Inspect() string

Inspect returns formatted source code of this object.

func (*PanObj) Proto 

func (o *PanObj) Proto() PanObject

Proto returns proto of this object.

func (*PanObj) Repr added in v0.3.0 

func (o *PanObj) Repr() string

Repr returns pritty-printed string of this object.

func (*PanObj) Type 

func (o *PanObj) Type() PanObjType

Type returns type of this PanObject.

func (*PanObj) Zero added in v0.8.0 

func (o *PanObj) Zero() PanObject

Zero returns zero value of this object.

type PanObjType 

type PanObjType string

PanObjType is type information to designate each PanObject.

type PanObject 

type PanObject interface {
	Type() PanObjType
	Inspect() string
	Repr() string
	Proto() PanObject
	Zero() PanObject
}

PanObject is an interface of all Pangaea object implementations.

func FindPropAlongProtos added in v0.2.0 

func FindPropAlongProtos(o PanObject, propHash SymHash) (PanObject, bool)

FindPropAlongProtos traces proto chain and returns prop.

func FindPropOwner added in v0.4.0 

func FindPropOwner(o PanObject, propHash SymHash) (PanObject, bool)

FindPropOwner traces proto chain and returns the prop's owner.

func PanObjInstancePtr 

func PanObjInstancePtr(pairs *map[SymHash]Pair) PanObject

PanObjInstancePtr makes new obj literal.

func SymHash2Str 

func SymHash2Str(h SymHash) (PanObject, bool)

SymHash2Str gets str literal from symbol hash.

type PanRange 

type PanRange struct {
	Start PanObject
	Stop  PanObject
	Step  PanObject
	// contains filtered or unexported fields
}

PanRange is object of range literal.

func NewInheritedRange added in v0.8.0 

func NewInheritedRange(proto PanObject, start, stop, step PanObject) *PanRange

NewInheritedRange returns new range object born of proto.

func NewPanRange added in v0.3.0 

func NewPanRange(start, stop, step PanObject) *PanRange

NewPanRange returns new range object.

func TraceProtoOfRange 

func TraceProtoOfRange(obj PanObject) (*PanRange, bool)

TraceProtoOfRange traces proto chain of obj and returns range proto.

func (*PanRange) Inspect 

func (r *PanRange) Inspect() string

Inspect returns formatted source code of this object.

func (*PanRange) Proto 

func (r *PanRange) Proto() PanObject

Proto returns proto of this object.

func (*PanRange) Repr added in v0.3.0 

func (r *PanRange) Repr() string

Repr returns pritty-printed string of this object.

func (*PanRange) Type 

func (r *PanRange) Type() PanObjType

Type returns type of this PanObject.

func (*PanRange) Zero added in v0.8.0 

func (r *PanRange) Zero() PanObject

Zero returns zero value of this object.

type PanScalar 

type PanScalar interface {
	PanObject
	Hash() HashKey
}

PanScalar is an interface of scalar PanObject, which does not have child components.

type PanStr 

type PanStr struct {
	Value    string
	IsPublic bool
	IsSym    bool
	// contains filtered or unexported fields
}

PanStr is object of str literal.

func NewInheritedStr added in v0.8.0 

func NewInheritedStr(proto PanObject, s string) *PanStr

NewInheritedStr returns new str object born of proto.

func NewPanStr 

func NewPanStr(s string) *PanStr

NewPanStr makes new str object.

func TraceProtoOfStr 

func TraceProtoOfStr(obj PanObject) (*PanStr, bool)

TraceProtoOfStr traces proto chain of obj and returns str proto.

func (*PanStr) Hash 

func (s *PanStr) Hash() HashKey

Hash returns hashkey of this object.

func (*PanStr) Inspect 

func (s *PanStr) Inspect() string

Inspect returns formatted source code of this object.

func (*PanStr) Proto 

func (s *PanStr) Proto() PanObject

Proto returns proto of this object.

func (*PanStr) Repr added in v0.3.0 

func (s *PanStr) Repr() string

Repr returns pritty-printed string of this object.

func (*PanStr) SymHash 

func (s *PanStr) SymHash() SymHash

SymHash returns symbol hash of this object, which is used for prop reference.

func (*PanStr) Type 

func (s *PanStr) Type() PanObjType

Type returns type of this PanObject.

func (*PanStr) Zero added in v0.8.0 

func (s *PanStr) Zero() PanObject

Zero returns zero value of this object.

type ReturnObj 

type ReturnObj struct {
	PanObject
}

ReturnObj is a wrapper for returned value.

func (*ReturnObj) Type 

func (o *ReturnObj) Type() PanObjType

Type returns type of this PanObject.

type SymHash 

type SymHash = uint64

SymHash is symbol hash to refer str literal efficiently. This is lighter than HashKey and only for str.

func GetSymHash 

func GetSymHash(str string) SymHash

GetSymHash gets symbol hash of the string.

type YieldObj 

type YieldObj struct {
	PanObject
}

YieldObj is a wrapper for yielded value.

func (*YieldObj) Type 

func (o *YieldObj) Type() PanObjType

Type returns type of this PanObject.

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