vida

package
v0.7.0 Latest Latest
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 Go to latest Published: Apr 15, 2022 License: MIT Imports: 21 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	TKAdd byte
	TKMinus
	TKMul
	TKDiv
	TKMod
	TKPercent
	TKPower
	TKAmpersand
	TKBar
	TKHat
	TKLShift
	TKRShift

	TKGT
	TKGE
	TKLT
	TKLE
	TKAnd
	TKOr
	TKNot
	TKTilde
)

Numeric constants for the definition of the token types

View Source 
const (
	ModuleExtension         = ".vida"
	ModuleCompiledExtension = ".vo"
	LangVersion             = "0.7.0"
	VMEngineVersion         = "0.5.0"
	STDLibVersion           = "0.3.0"
	LangName                = "Vida 🌻"
	LangHeader              = "A general-purpose programming language."
	LangWebSite             = "https://www.vida-lang.org"
)
View Source 
const (
	True       = Bool(true)
	False      = Bool(false)
	NilValue   = Nil(0)
	IStopValue = IStop(0)
)

Global values for true, false, nil and iterator stop.

Variables

View Source 
var BytesInterface = Namespace{
	"isEmpty":       GFunction{Name: "isEmpty", Value: bytesIsEmpty},
	"length":        GFunction{Name: "length", Value: bytesLength},
	"clear":         GFunction{Name: "clear", Value: bytesClear},
	"contains":      GFunction{Name: "contains", Value: bytesContains},
	"clone":         GFunction{Name: "clone", Value: bytesClone},
	"remove":        GFunction{Name: "remove", Value: bytesRemove},
	"randomElement": GFunction{Name: "randomElement", Value: bytesRandomElement},
	"makeIterator":  GFunction{Name: "makeIterator", Value: bytesMakeIterator},
}

BytesInterface is the collection of methods for the type Bytes.

View Source 
var FiberInterface = Namespace{
	"isAlive":   GFunction{Name: "isAlive", Value: FiberIsAlive},
	"state":     GFunction{Name: "state", Value: FiberState},
	"run":       GFunction{Name: "run", Value: FiberRun},
	"terminate": GFunction{Name: "terminate", Value: FiberTerminate},
}

FiberInterface is the set of methods for fiber instances.

View Source 
var KindDescription = [...]string{

	TKAdd:       "+",
	TKMinus:     "-",
	TKMul:       "*",
	TKDiv:       "/",
	TKMod:       "mod",
	TKPercent:   "%",
	TKPower:     "**",
	TKAmpersand: "&",
	TKBar:       "|",
	TKHat:       "^",
	TKLShift:    "<<",
	TKRShift:    ">>",

	TKGT:    ">",
	TKGE:    ">=",
	TKLT:    "<",
	TKLE:    "<=",
	TKAnd:   "and",
	TKOr:    "or",
	TKNot:   "not",
	TKTilde: "~",
	// contains filtered or unexported fields
}

KindDescription is the string representation of a token type.

View Source 
var ListInterface = Namespace{
	"isEmpty":       GFunction{Name: "isEmpty", Value: xsIsEmpty},
	"length":        GFunction{Name: "length", Value: xsLength},
	"clear":         GFunction{Name: "clear", Value: xsClear},
	"contains":      GFunction{Name: "contains", Value: xsContains},
	"clone":         GFunction{Name: "clone", Value: xsClone},
	"remove":        GFunction{Name: "remove", Value: xsRemove},
	"randomElement": GFunction{Name: "randomElement", Value: xsRandomElement},
	"makeIterator":  GFunction{Name: "makeIterator", Value: xsMakeIterator},
	"append":        GFunction{Name: "append", Value: xsAppend},
	"insert":        GFunction{Name: "insert", Value: xsInsert},
	"extend":        GFunction{Name: "extend", Value: xsExtend},
	"popLast":       GFunction{Name: "popLast", Value: xsPopLast},
	"popFirst":      GFunction{Name: "popLast", Value: xsPopFirst},
	"sort":          GFunction{Name: "sort", Value: xsSort},
	"sorted":        GFunction{Name: "sorted", Value: xsSorted},
	"reverse":       GFunction{Name: "reverse", Value: xsReverse},
	"reversed":      GFunction{Name: "reversed", Value: xsReversed},
	"shuffle":       GFunction{Name: "shuffle", Value: xsShuffle},
	"shuffled":      GFunction{Name: "shuffled", Value: xsShuffled},
	"removed":       GFunction{Name: "removed", Value: xsRemoved},
	"capacity":      GFunction{Name: "capacity", Value: xsCap},
	"indexOf":       GFunction{Name: "indexOf", Value: xsIndex},
	"countOf":       GFunction{Name: "countOf", Value: xsCount},
	"midIndex":      GFunction{Name: "midIndex", Value: xsMidIndex},
}

ListInterface is the collection of methods for the type List.

View Source 
var MapInterface = Namespace{
	"isEmpty":       GFunction{Name: "isEmpty", Value: mapIsEmpty},
	"length":        GFunction{Name: "length", Value: mapLength},
	"clear":         GFunction{Name: "clear", Value: mapClear},
	"contains":      GFunction{Name: "contains", Value: mapContains},
	"clone":         GFunction{Name: "clone", Value: mapClone},
	"randomElement": GFunction{Name: "randomElement", Value: mapRandomElement},
	"makeIterator":  GFunction{Name: "makeIterator", Value: mapMakeIterator},
	"remove":        GFunction{Name: "remove", Value: mapDelete},
	"keys":          GFunction{Name: "keys", Value: mapKeys},
	"values":        GFunction{Name: "values", Value: mapValues},
	"pairs":         GFunction{Name: "pairs", Value: mapItems},
}
View Source 
var SetInterface = Namespace{

	"isEmpty":             GFunction{Name: "isEmpty", Value: setIsEmpty},
	"length":              GFunction{Name: "length", Value: setLength},
	"clear":               GFunction{Name: "clear", Value: setClear},
	"contains":            GFunction{Name: "contains", Value: setMemebership},
	"clone":               GFunction{Name: "clone", Value: setClone},
	"randomElement":       GFunction{Name: "randomElement", Value: setRandomElement},
	"makeIterator":        GFunction{Name: "makeIterator", Value: setMakeIterator},
	"remove":              GFunction{Name: "remove", Value: setRemoveElements},
	"add":                 GFunction{Name: "add", Value: setAddElements},
	"difference":          GFunction{Name: "difference", Value: setDifference},
	"merge":               GFunction{Name: "merge", Value: setMerge},
	"merged":              GFunction{Name: "merged", Value: setMerged},
	"toList":              GFunction{Name: "toList", Value: setToList},
	"intersection":        GFunction{Name: "intersection", Value: setIntersection},
	"isDisjoint":          GFunction{Name: "isDisjoint", Value: setIsDisjoint},
	"isSubset":            GFunction{Name: "isSubset", Value: setIsSubset},
	"isSuperset":          GFunction{Name: "isSuperset", Value: setIsSuperSet},
	"symmetricDifference": GFunction{Name: "symmetricDifference", Value: setSymmetricDifference},
	"union":               GFunction{Name: "union", Value: setUnion},
}
View Source 
var StringInterface = Namespace{
	"isEmpty":       GFunction{Name: "isEmpty", Value: stringIsEmpty},
	"length":        GFunction{Name: "length", Value: stringLength},
	"contains":      GFunction{Name: "contains", Value: stringContains},
	"clone":         GFunction{Name: "clone", Value: stringClone},
	"randomElement": GFunction{Name: "randomElement", Value: stringRandomElement},
	"makeIterator":  GFunction{Name: "makeIterator", Value: stringMakeIterator},
	"join":          GFunction{Name: "join", Value: stringJoin},
	"containsAny":   GFunction{Name: "containsAny", Value: stringContainsAny},
	"fields":        GFunction{Name: "fields", Value: stringFields},
	"trim":          GFunction{Name: "trim", Value: stringTrim},
	"trimLeft":      GFunction{Name: "trimLeft", Value: stringTrimLeft},
	"trimRight":     GFunction{Name: "trimRight", Value: stringTrimRight},
	"toLower":       GFunction{Name: "toLower", Value: stringToLower},
	"toUpper":       GFunction{Name: "toUpper", Value: stringToUpper},
	"toTitle":       GFunction{Name: "toTittle", Value: stringToTitle},
	"split":         GFunction{Name: "split", Value: stringSplit},
	"repeat":        GFunction{Name: "repeat", Value: stringRepeat},
	"replace":       GFunction{Name: "replace", Value: stringReplace},
	"hasPrefix":     GFunction{Name: "hasPrefix", Value: stringHasPrefix},
	"hasSuffix":     GFunction{Name: "hasSuffix", Value: stringHasSuffix},
	"count":         GFunction{Name: "count", Value: stringCount},
	"runes":         GFunction{Name: "runes", Value: stringGetRunes},
	"bytes":         GFunction{Name: "runes", Value: stringGetBytes},
}

Functions

func ArityError 

func ArityError(arity, argCount UInt32) error

Error when a method or property was not found.

func ArityErrorInBinaryOperatorOverload 

func ArityErrorInBinaryOperatorOverload() error

Arity error in binary operator overload.

func ArityErrorInUnaryOperatorOverload 

func ArityErrorInUnaryOperatorOverload() error

Arity error in unary operator overload.

func ArityGeneratorError 

func ArityGeneratorError(method string) error

Error when arity of a generator function is not zero.

func AssertionFailure 

func AssertionFailure(message string) error

Error when an assertion failure occurs.

func BytesChangeMustBeWithNumericTypesOnly 

func BytesChangeMustBeWithNumericTypesOnly() error

Error message used when changing a byte array with wrong data type.

func CannotDeriveFromValue 

func CannotDeriveFromValue(value Value) error

Error produced when trying to deriving properties and methods from a non-Struct value.

func DebugModule 

func DebugModule(input *bytes.Buffer, script string, stdlib map[string]LibLoader)

DebugModule runs the given Vida script in step by step computation fashion.

func DivisionByZeroError 

func DivisionByZeroError() error

Division by zero error.

func ExpectedCallableValueInDeferError 

func ExpectedCallableValueInDeferError(value Value) error

Error when expected a callable value.

func ExpectedIterableValueError 

func ExpectedIterableValueError(value Value) error

Error when expected an iterable value.

func ExpectedListToSpreadError 

func ExpectedListToSpreadError(value Value) error

Error when a unpackable value was expected.

func ExpectedTypeAndGotOtherType 

func ExpectedTypeAndGotOtherType(expected, got string) error

Error when another value was expected.

func ExpectedUnpackableValueError 

func ExpectedUnpackableValueError(value Value) error

Error when a unpackable value was expected.

func IndexOutOfRangeError 

func IndexOutOfRangeError(length, index Int) error

Error messages for data structure subscriptions.

func InstancesDoNotSupportSubscriptionWriting 

func InstancesDoNotSupportSubscriptionWriting() error

Error message for subscription operations in instances.

func IsNotMethodProperty 

func IsNotMethodProperty(method, structName string) error

Error when a method or property was not found.

func LoadModule 

func LoadModule(moduleName string) (*bytes.Buffer, error)

LoadModule loads a script file and returns a buffer of bytes.

func MethodNotDefined 

func MethodNotDefined(method string, value Value) error

Method not defined error.

func MethodNotOverloaded 

func MethodNotOverloaded(method, structName string) error

Error when not found overloaded some method.

func NameNotDefinedInCompoundDataType 

func NameNotDefinedInCompoundDataType(name string, dataStructure Value) error

Error messages for selection operations.

func NegativeShiftError 

func NegativeShiftError(op string, lhs, rhs Value) error

func NeverShouldHaveHappened 

func NeverShouldHaveHappened(what string) error

Error message used when an unknown flag is used for subscription or selection operations. This error never should have happened.

func OperatorNotDefined 

func OperatorNotDefined(op byte, value Value) error

Error when an operator is not defined for some data type.

func OverloadedOperatorWithWrongArity 

func OverloadedOperatorWithWrongArity(method string, foundArity, must UInt32) error

Error when an instance overloaded __next operator with wrong arity.

func PrintCode 

func PrintCode(input *bytes.Buffer, script string)

PrintCode prints the machine code in human readable fashion.

func PrintError 

func PrintError(err error)

PrintError shows a given error in the terminal.

func RangeExpectedIntegerValue 

func RangeExpectedIntegerValue(value Value) error

Error when step range is negative.

func RangeExpectedPositiveValue 

func RangeExpectedPositiveValue(value Value) error

Error when step range is negative.

func RangeExpressionError 

func RangeExpressionError(value Value) error

Error when range expression error.

func RecordPropertyError 

func RecordPropertyError(key Value) error

Error message when using a non-string value as key in a record.

func RunModule 

func RunModule(input *bytes.Buffer, script string, stdlib map[string]LibLoader)

RunModule runs the given Vida Script

func RuneOutOfRangeOrIllegal 

func RuneOutOfRangeOrIllegal() error

Error when rune is out of range or it is illegal.

func SelectionOperationNotSupported 

func SelectionOperationNotSupported(value Value) error

Error messages for values that does not support selector operator (.).

func StackOverfloError 

func StackOverfloError() error

Stack Overflow Error

func TimeModule 

func TimeModule(input *bytes.Buffer, script string, stdlib map[string]LibLoader)

TimeModule runs the given Vida Script

func TypeErrorInBinaryOperator 

func TypeErrorInBinaryOperator(op string, lhs, rhs Value) error

Error messages for type errors in binary operations.

func TypeErrorInPrefixOperator 

func TypeErrorInPrefixOperator(op string, value Value) error

Error message for type errors in unary operations.

func UnpackCountDoesNotMatchError 

func UnpackCountDoesNotMatchError() error

Error when unpacking values.

func ValueDoesNotSupportExtension 

func ValueDoesNotSupportExtension(value Value) error

Error produced when trying to extend a non-Struct Value.

func ValueDoesNotSupportSlicing 

func ValueDoesNotSupportSlicing(value Value) error

Error when type does not support slicing.

func ValueDoesNotSupportSubscription 

func ValueDoesNotSupportSubscription(value Value) error

Error message when using a value that does not support subscription operations [].

func ValueIsImmutable 

func ValueIsImmutable(value Value) error

Error message used when trying to mutate an immutable value.

func ValueIsNotAnIndexError 

func ValueIsNotAnIndexError(value Value) error

Error message when using a value that cannot be an index.

func ValueIsNotValueSemantics 

func ValueIsNotValueSemantics(value Value) error

Error when type does not support value semantics.

func ValueNotHashableError 

func ValueNotHashableError(key Value) error

Error message when using a value not hashable as key in a map or a set.

func VarArgArityError 

func VarArgArityError(arity, argCount UInt32) error

Error when a method or property was not found.

func VariableAlreadyDefined 

func VariableAlreadyDefined(identifier string) error

Error when declaring a declared variable.

func VariableNotDefined 

func VariableNotDefined(identifier string) error

Error when changing the value of a not-declared variable.

func VidaFprint 

func VidaFprint(w io.Writer, a ...Value) (n int, err error)

Fprint formats using the default formats for its operands and writes to w. Spaces are added between operands when neither is a string. It returns the number of bytes written and any write error encountered.

func VidaFprintf 

func VidaFprintf(w io.Writer, format string, a ...Value) (n int, err error)

Fprintf formats according to a format specifier and writes to w. It returns the number of bytes written and any write error encountered.

func VidaFprintln 

func VidaFprintln(w io.Writer, a ...Value) (n int, err error)

Fprintln formats using the default formats for its operands and writes to w. Spaces are always added between operands and a newline is appended. It returns the number of bytes written and any write error encountered.

func VidaPrintf 

func VidaPrintf(format string, a ...Value) (n int, err error)

Printf formats according to a format specifier and writes to standard output. It returns the number of bytes written and any write error encountered.

func VidaSprint 

func VidaSprint(a ...Value) string

Sprint formats using the default formats for its operands and returns the resulting string. Spaces are added between operands when neither is a string.

func VidaSprintf 

func VidaSprintf(format string, a ...Value) string

Sprintf formats according to a format specifier and returns the resulting string.

func VidaSprintln 

func VidaSprintln(a ...Value) string

Sprintln formats using the default formats for its operands and returns the resulting string. Spaces are always added between operands and a newline is appended.

Types

type BInt 

type BInt struct {
	Value *big.Int
}

BInt models an arbitrary precision singned integer.

func (*BInt) BinaryOp 

func (b *BInt) BinaryOp(op byte, rhs Value) (Value, error)

func (*BInt) Clone 

func (b *BInt) Clone() Value

func (*BInt) Description 

func (b *BInt) Description() string

func (*BInt) Equals 

func (b *BInt) Equals(other Value) bool

func (*BInt) GetMethod 

func (b *BInt) GetMethod(name string) (Value, bool, error)

func (*BInt) HasMethods 

func (b *BInt) HasMethods() bool

func (*BInt) IsHashable 

func (b *BInt) IsHashable() bool

func (*BInt) IsIterable 

func (b *BInt) IsIterable() bool

func (*BInt) IsValueSemantics 

func (b *BInt) IsValueSemantics() bool

func (*BInt) MakeHashKey 

func (b *BInt) MakeHashKey() HashKey

func (*BInt) MakeIterator 

func (b *BInt) MakeIterator() Iterator

func (*BInt) PrefixOp 

func (b *BInt) PrefixOp(op byte) (Value, error)

func (*BInt) ToInt 

func (b *BInt) ToInt() Int

Interface IntegerNumber

func (*BInt) TypeName 

func (b *BInt) TypeName() string

Interface Value

type Bool 

type Bool bool

Bool models binary boolean values true, false

func (Bool) BinaryOp 

func (b Bool) BinaryOp(op byte, rhs Value) (Value, error)

func (Bool) Clone 

func (b Bool) Clone() Value

func (Bool) Description 

func (b Bool) Description() string

func (Bool) Equals 

func (b Bool) Equals(other Value) bool

func (Bool) GetMethod 

func (b Bool) GetMethod(name string) (Value, bool, error)

func (Bool) HasMethods 

func (b Bool) HasMethods() bool

func (Bool) IsHashable 

func (b Bool) IsHashable() bool

func (Bool) IsIterable 

func (b Bool) IsIterable() bool

func (Bool) IsValueSemantics 

func (b Bool) IsValueSemantics() bool

func (Bool) MakeHashKey 

func (b Bool) MakeHashKey() HashKey

func (Bool) MakeIterator 

func (b Bool) MakeIterator() Iterator

func (Bool) PrefixOp 

func (b Bool) PrefixOp(op byte) (Value, error)

func (Bool) TypeName 

func (b Bool) TypeName() string

Interface Value

type Byte 

type Byte byte

Byte models raw machine Bytes or unisgned integers of 8 bits.

func (Byte) BinaryOp 

func (b Byte) BinaryOp(op byte, rhs Value) (Value, error)

func (Byte) Clone 

func (b Byte) Clone() Value

func (Byte) Description 

func (b Byte) Description() string

func (Byte) Equals 

func (b Byte) Equals(other Value) bool

func (Byte) GetMethod 

func (b Byte) GetMethod(name string) (Value, bool, error)

func (Byte) HasMethods 

func (b Byte) HasMethods() bool

func (Byte) IsHashable 

func (b Byte) IsHashable() bool

func (Byte) IsIterable 

func (b Byte) IsIterable() bool

func (Byte) IsValueSemantics 

func (b Byte) IsValueSemantics() bool

func (Byte) MakeHashKey 

func (b Byte) MakeHashKey() HashKey

func (Byte) MakeIterator 

func (b Byte) MakeIterator() Iterator

func (Byte) PrefixOp 

func (b Byte) PrefixOp(op byte) (Value, error)

func (Byte) ToInt 

func (b Byte) ToInt() Int

Interface IntegerNumber

func (Byte) TypeName 

func (b Byte) TypeName() string

Interface Value

type Bytecode 

type Bytecode = uint32

Interpreter global type aliases. 

const (
	OPConst Bytecode = iota
	OPTrue
	OPFalse
	OPNil
	OPClosure
	OPStruct
	OPExtension
	OPDerive
	OPBinop
	OPEqual
	OPNotEqual
	OPNilChoice
	OPList
	OPMap
	OPRecord
	OPConstNamespace
	OPSubscript
	OPSelect
	OPPrefix
	OPNewGlobal
	OPGetGlobal
	OPSetGlobal
	OPCompSetGlobal
	OPGetLocal
	OPSetLocal
	OPCompSetLocal
	OPMutDataStructure
	OPCompMutDataStructure
	OPGetFreeVariable
	OPSetFreeVariable
	OPCompSetFreeVariable
	OPFreeVariable
	OPJumpIfFalse
	OPGoto
	OPRange
	OPNext
	OPMatch
	OPCall
	OPDefer
	OPDeferInvoke
	OPRunDefer
	OPReturn
	OPUnpack
	OPUnpackFor
	OPInvokeMethod
	OPAppend
	OPPop
	OPEnd
)

Opcodes for the VM.

type Bytes 

type Bytes struct {
	Value []byte
}

Bytes models a dynamic mutable array of bytes.

func (*Bytes) BinaryOp 

func (b *Bytes) BinaryOp(op byte, rhs Value) (Value, error)

func (*Bytes) Clone 

func (b *Bytes) Clone() Value

func (*Bytes) Description 

func (b *Bytes) Description() string

func (*Bytes) Equals 

func (b *Bytes) Equals(other Value) bool

func (*Bytes) GetMethod 

func (b *Bytes) GetMethod(name string) (Value, bool, error)

func (*Bytes) HasMethods 

func (b *Bytes) HasMethods() bool

func (*Bytes) IsHashable 

func (b *Bytes) IsHashable() bool

func (*Bytes) IsIterable 

func (b *Bytes) IsIterable() bool

func (*Bytes) IsValueSemantics 

func (b *Bytes) IsValueSemantics() bool

func (*Bytes) MakeHashKey 

func (b *Bytes) MakeHashKey() HashKey

func (*Bytes) MakeIterator 

func (b *Bytes) MakeIterator() Iterator

func (*Bytes) PrefixOp 

func (b *Bytes) PrefixOp(op byte) (Value, error)

func (*Bytes) SliceGet 

func (b *Bytes) SliceGet(sliceType UInt32, low, high Value) (Value, error)

Interface Slice operator.

func (*Bytes) SliceSet 

func (b *Bytes) SliceSet(sliceType UInt32, low, high, value Value) error

func (*Bytes) SubscriptGet 

func (b *Bytes) SubscriptGet(index Value) (Value, error)

Interface subscript operator.

func (*Bytes) SubscriptSet 

func (b *Bytes) SubscriptSet(index, value Value) error

func (*Bytes) TypeName 

func (b *Bytes) TypeName() string

Value Interface

type BytesIterator 

type BytesIterator struct {
	Object          *Bytes
	EndIndex, Index Int
	IsRange         bool
}

BytesIterator is an object to iterate over bytes buffers and returns an item or a tuple (idx, val).

func NewBytesIterator 

func NewBytesIterator(bytes *Bytes, isrange bool) *BytesIterator

func (*BytesIterator) BinaryOp 

func (iter *BytesIterator) BinaryOp(op byte, rhs Value) (Value, error)

func (*BytesIterator) Clone 

func (iter *BytesIterator) Clone() Value

func (*BytesIterator) Description 

func (iter *BytesIterator) Description() string

func (*BytesIterator) Equals 

func (iter *BytesIterator) Equals(other Value) bool

func (*BytesIterator) Exhausted 

func (iter *BytesIterator) Exhausted() bool

func (*BytesIterator) GetMethod 

func (iter *BytesIterator) GetMethod(name string) (Value, bool, error)

func (*BytesIterator) HasMethods 

func (iter *BytesIterator) HasMethods() bool

func (*BytesIterator) IsHashable 

func (iter *BytesIterator) IsHashable() bool

func (*BytesIterator) IsIterable 

func (iter *BytesIterator) IsIterable() bool

func (*BytesIterator) IsValueSemantics 

func (iter *BytesIterator) IsValueSemantics() bool

func (*BytesIterator) MakeHashKey 

func (iter *BytesIterator) MakeHashKey() HashKey

func (*BytesIterator) MakeIterator 

func (iter *BytesIterator) MakeIterator() Iterator

func (*BytesIterator) Next 

func (iter *BytesIterator) Next() Value

func (*BytesIterator) PrefixOp 

func (iter *BytesIterator) PrefixOp(op byte) (Value, error)

func (*BytesIterator) TypeName 

func (iter *BytesIterator) TypeName() string

Interface Value

type Closure 

type Closure struct {
	Function *Function // The function this closure has.
	FreeVars []Value   // The run time free variables linked to this closure.
	StructID UInt      // In case the function can access private state, this is the run time structu id linked to.
}

Closure is the run time representation of a function with its own captured environment.

func (Closure) BinaryOp 

func (closure Closure) BinaryOp(op byte, rhs Value) (Value, error)

func (Closure) Clone 

func (closure Closure) Clone() Value

func (Closure) Description 

func (closure Closure) Description() string

func (Closure) Equals 

func (closure Closure) Equals(other Value) bool

func (Closure) GetMethod 

func (closure Closure) GetMethod(name string) (Value, bool, error)

func (Closure) HasMethods 

func (closure Closure) HasMethods() bool

func (Closure) IsHashable 

func (closure Closure) IsHashable() bool

func (Closure) IsIterable 

func (closure Closure) IsIterable() bool

func (Closure) IsValueSemantics 

func (closure Closure) IsValueSemantics() bool

func (Closure) MakeHashKey 

func (closure Closure) MakeHashKey() HashKey

func (Closure) MakeIterator 

func (closure Closure) MakeIterator() Iterator

func (Closure) PrefixOp 

func (closure Closure) PrefixOp(op byte) (Value, error)

func (Closure) TypeName 

func (closure Closure) TypeName() string

Interface Value

type Complex 

type Complex complex128

Type Complex models complex numbers of 128 bits.

func (Complex) BinaryOp 

func (z Complex) BinaryOp(op byte, rhs Value) (Value, error)

func (Complex) Clone 

func (z Complex) Clone() Value

func (Complex) Description 

func (z Complex) Description() string

func (Complex) Equals 

func (z Complex) Equals(other Value) bool

func (Complex) GetMethod 

func (z Complex) GetMethod(name string) (Value, bool, error)

func (Complex) HasMethods 

func (z Complex) HasMethods() bool

func (Complex) IsHashable 

func (z Complex) IsHashable() bool

func (Complex) IsIterable 

func (z Complex) IsIterable() bool

func (Complex) IsValueSemantics 

func (z Complex) IsValueSemantics() bool

func (Complex) MakeHashKey 

func (z Complex) MakeHashKey() HashKey

func (Complex) MakeIterator 

func (z Complex) MakeIterator() Iterator

func (Complex) PrefixOp 

func (z Complex) PrefixOp(op byte) (Value, error)

func (Complex) TypeName 

func (z Complex) TypeName() string

Interface Value

type Fiber 

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

Fiber is the basic unit of execution and model a computational sequential process.

func (*Fiber) BinaryOp 

func (fiber *Fiber) BinaryOp(op byte, rhs Value) (Value, error)

func (*Fiber) Clone 

func (fiber *Fiber) Clone() Value

func (Fiber) Description 

func (fiber Fiber) Description() string

func (*Fiber) Equals 

func (fiber *Fiber) Equals(other Value) bool

func (*Fiber) GetMethod 

func (fiber *Fiber) GetMethod(name string) (Value, bool, error)

func (*Fiber) HasMethods 

func (fiber *Fiber) HasMethods() bool

func (*Fiber) IsHashable 

func (fiber *Fiber) IsHashable() bool

func (*Fiber) IsIterable 

func (fiber *Fiber) IsIterable() bool

func (*Fiber) IsValueSemantics 

func (fiber *Fiber) IsValueSemantics() bool

func (*Fiber) MakeHashKey 

func (fiber *Fiber) MakeHashKey() HashKey

func (*Fiber) MakeIterator 

func (fiber *Fiber) MakeIterator() Iterator

func (*Fiber) PrefixOp 

func (fiber *Fiber) PrefixOp(op byte) (Value, error)

func (Fiber) TypeName 

func (fiber Fiber) TypeName() string

Interface Value

type Float 

type Float float64

Float models a double precision floating-point number IEEE-754 of 64 bits.

func (Float) BinaryOp 

func (f Float) BinaryOp(op byte, rhs Value) (Value, error)

func (Float) Clone 

func (f Float) Clone() Value

func (Float) Description 

func (f Float) Description() string

func (Float) Equals 

func (f Float) Equals(other Value) bool

func (Float) GetMethod 

func (f Float) GetMethod(name string) (Value, bool, error)

func (Float) HasMethods 

func (f Float) HasMethods() bool

func (Float) IsHashable 

func (f Float) IsHashable() bool

func (Float) IsIterable 

func (f Float) IsIterable() bool

func (Float) IsValueSemantics 

func (f Float) IsValueSemantics() bool

func (Float) MakeHashKey 

func (f Float) MakeHashKey() HashKey

func (Float) MakeIterator 

func (f Float) MakeIterator() Iterator

func (Float) PrefixOp 

func (f Float) PrefixOp(op byte) (Value, error)

func (Float) TypeName 

func (f Float) TypeName() string

Interface Value

type Frame 

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

Frame is a structure to support function calls and preserve its state.

type Function 

type Function struct {
	Name                  string            // The name of the function.
	Arity                 UInt32            // The arity of the function.
	Vararg                bool              // The function can receive an arbitrary number of args.
	FreeVarCount          Bytecode          // Count of free variables.
	Code                  []Bytecode        // The Bytecode of the function.
	Lines                 map[UInt32]UInt32 // A map between Bytecode to number lines.
	Constants             []Value           // The constant list of values of the function.
	ModuleName            string            // The module in this function has been defined.
	CanAccessPrivateState bool              // The function can access private state of an instance.
}

Function models the static representation of callable, executable code.

func (Function) BinaryOp 

func (function Function) BinaryOp(op byte, rhs Value) (Value, error)

func (Function) Clone 

func (function Function) Clone() Value

func (Function) Description 

func (function Function) Description() string

func (Function) Equals 

func (function Function) Equals(other Value) bool

func (Function) GetMethod 

func (function Function) GetMethod(name string) (Value, bool, error)

func (Function) HasMethods 

func (function Function) HasMethods() bool

func (Function) IsHashable 

func (function Function) IsHashable() bool

func (Function) IsIterable 

func (function Function) IsIterable() bool

func (Function) IsValueSemantics 

func (function Function) IsValueSemantics() bool

func (Function) MakeHashKey 

func (function Function) MakeHashKey() HashKey

func (Function) MakeIterator 

func (function Function) MakeIterator() Iterator

func (Function) PrefixOp 

func (function Function) PrefixOp(op byte) (Value, error)

func (Function) TypeName 

func (function Function) TypeName() string

Interface Value

type GFunction 

type GFunction struct {
	Name  string
	Value func(args ...Value) (Value, error)
}

GFunction is a Value that represents a function written in Go that can be run for the Vida VM.

func (GFunction) BinaryOp 

func (gf GFunction) BinaryOp(op byte, rhs Value) (Value, error)

func (GFunction) Clone 

func (gf GFunction) Clone() Value

func (GFunction) Description 

func (gf GFunction) Description() string

func (GFunction) Equals 

func (gf GFunction) Equals(other Value) bool

func (GFunction) GetMethod 

func (gf GFunction) GetMethod(name string) (Value, bool, error)

func (GFunction) HasMethods 

func (gf GFunction) HasMethods() bool

func (GFunction) IsHashable 

func (gf GFunction) IsHashable() bool

func (GFunction) IsIterable 

func (gf GFunction) IsIterable() bool

func (GFunction) IsValueSemantics 

func (gf GFunction) IsValueSemantics() bool

func (GFunction) MakeHashKey 

func (gf GFunction) MakeHashKey() HashKey

func (GFunction) MakeIterator 

func (gf GFunction) MakeIterator() Iterator

func (GFunction) PrefixOp 

func (gf GFunction) PrefixOp(op byte) (Value, error)

func (GFunction) TypeName 

func (gf GFunction) TypeName() string

Interface Value

type GModule 

type GModule struct {
	Name      string
	Namespace Namespace
}

GModule is the data structure to models an importable named environment written in Go.

func (GModule) BinaryOp 

func (mod GModule) BinaryOp(op byte, rhs Value) (Value, error)

func (GModule) Clone 

func (mod GModule) Clone() Value

func (GModule) Description 

func (module GModule) Description() string

func (GModule) Equals 

func (mod GModule) Equals(other Value) bool

func (GModule) GetMethod 

func (mod GModule) GetMethod(name string) (Value, bool, error)

func (GModule) GetModuleName 

func (mod GModule) GetModuleName() string

Interface Importable

func (GModule) HasMethods 

func (mod GModule) HasMethods() bool

func (GModule) IsGModule 

func (mod GModule) IsGModule() bool

func (GModule) IsHashable 

func (mod GModule) IsHashable() bool

func (GModule) IsIterable 

func (mod GModule) IsIterable() bool

func (GModule) IsVModule 

func (mod GModule) IsVModule() bool

func (GModule) IsValueSemantics 

func (mod GModule) IsValueSemantics() bool

func (GModule) MakeHashKey 

func (mod GModule) MakeHashKey() HashKey

func (GModule) MakeIterator 

func (mod GModule) MakeIterator() Iterator

func (GModule) PrefixOp 

func (mod GModule) PrefixOp(op byte) (Value, error)

func (GModule) SelectorGet 

func (mod GModule) SelectorGet(field string) (Value, error)

Interface SelectorOperator. GModule implements only get becuase it is an immutable Value.

func (GModule) SelectorSet 

func (mod GModule) SelectorSet(string, Value) error

func (GModule) TypeName 

func (mod GModule) TypeName() string

Interface Value

type Global 

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

Global is the unique shared state accesible for every fiber and for every module.

type HashKey 

type HashKey struct {
	Type             string
	ValueDescription string
}

HashKey models a key for a Map and Set collections.

func (HashKey) BinaryOp 

func (hash HashKey) BinaryOp(op byte, rhs Value) (Value, error)

func (HashKey) Clone 

func (hash HashKey) Clone() Value

func (HashKey) Description 

func (hash HashKey) Description() string

func (HashKey) Equals 

func (hash HashKey) Equals(other Value) bool

func (HashKey) GetMethod 

func (hash HashKey) GetMethod(name string) (Value, bool, error)

func (HashKey) HasMethods 

func (hash HashKey) HasMethods() bool

func (HashKey) IsHashable 

func (hash HashKey) IsHashable() bool

func (HashKey) IsIterable 

func (hash HashKey) IsIterable() bool

func (HashKey) IsValueSemantics 

func (hash HashKey) IsValueSemantics() bool

func (HashKey) MakeHashKey 

func (hash HashKey) MakeHashKey() HashKey

func (HashKey) MakeIterator 

func (hash HashKey) MakeIterator() Iterator

func (HashKey) PrefixOp 

func (hash HashKey) PrefixOp(op byte) (Value, error)

func (HashKey) TypeName 

func (hash HashKey) TypeName() string

Interface Value

type IStop 

type IStop byte

Type IStop is a type for signaling the exhaustation of iterators.

func (IStop) BinaryOp 

func (istop IStop) BinaryOp(op byte, rhs Value) (Value, error)

func (IStop) Clone 

func (istop IStop) Clone() Value

func (IStop) Description 

func (eof IStop) Description() string

func (IStop) Equals 

func (istop IStop) Equals(other Value) bool

func (IStop) GetMethod 

func (istop IStop) GetMethod(name string) (Value, bool, error)

func (IStop) HasMethods 

func (istop IStop) HasMethods() bool

func (IStop) IsHashable 

func (istop IStop) IsHashable() bool

func (IStop) IsIterable 

func (istop IStop) IsIterable() bool

func (IStop) IsValueSemantics 

func (istop IStop) IsValueSemantics() bool

func (IStop) MakeHashKey 

func (istop IStop) MakeHashKey() HashKey

func (IStop) MakeIterator 

func (istop IStop) MakeIterator() Iterator

func (IStop) PrefixOp 

func (istop IStop) PrefixOp(op byte) (Value, error)

func (IStop) TypeName 

func (istop IStop) TypeName() string

Interface Value

type Importable 

type Importable interface {
	GetModuleName() string
	IsGModule() bool
	IsVModule() bool
}

Importable is the common interface for GModules and VModules.

type Instance 

type Instance struct {
	Id      UInt
	Struct  *Struct
	Public  Namespace
	Private Namespace
}

Instance models unique objects instances of some structured data types.

func (Instance) BinaryOp 

func (instance Instance) BinaryOp(op byte, rhs Value) (Value, error)

func (Instance) Clone 

func (instance Instance) Clone() Value

func (Instance) Description 

func (instance Instance) Description() string

func (Instance) Equals 

func (instance Instance) Equals(other Value) bool

func (Instance) GetMethod 

func (instance Instance) GetMethod(name string) (Value, bool, error)

func (Instance) HasMethods 

func (instance Instance) HasMethods() bool

func (Instance) IsHashable 

func (instance Instance) IsHashable() bool

func (Instance) IsIterable 

func (instance Instance) IsIterable() bool

func (Instance) IsValueSemantics 

func (instance Instance) IsValueSemantics() bool

func (Instance) MakeHashKey 

func (instance Instance) MakeHashKey() HashKey

func (Instance) MakeIterator 

func (instance Instance) MakeIterator() Iterator

func (Instance) PrefixOp 

func (instance Instance) PrefixOp(op byte) (Value, error)

func (Instance) SelectorGet 

func (instance Instance) SelectorGet(field string) (Value, error)

Interface SelectorOperator.

func (Instance) SelectorSet 

func (instance Instance) SelectorSet(property string, value Value) error

func (Instance) SubscriptGet 

func (instance Instance) SubscriptGet(index Value) (Value, error)

Interface subscript operator.

func (Instance) SubscriptSet 

func (instance Instance) SubscriptSet(index, value Value) error

func (Instance) TypeName 

func (instance Instance) TypeName() string

Interface Value

type Int 

type Int int64

Int models a signed integer of 64 bits machine independent.

func (Int) BinaryOp 

func (integer Int) BinaryOp(op byte, rhs Value) (Value, error)

Iterface Operable

func (Int) Clone 

func (integer Int) Clone() Value

func (Int) Description 

func (integer Int) Description() string

func (Int) Equals 

func (integer Int) Equals(other Value) bool

func (Int) GetMethod 

func (integer Int) GetMethod(name string) (Value, bool, error)

func (Int) HasMethods 

func (integer Int) HasMethods() bool

func (Int) IsHashable 

func (integer Int) IsHashable() bool

func (Int) IsIterable 

func (integer Int) IsIterable() bool

func (Int) IsValueSemantics 

func (integer Int) IsValueSemantics() bool

func (Int) MakeHashKey 

func (integer Int) MakeHashKey() HashKey

func (Int) MakeIterator 

func (integer Int) MakeIterator() Iterator

func (Int) PrefixOp 

func (integer Int) PrefixOp(op byte) (Value, error)

func (Int) ToInt 

func (integer Int) ToInt() Int

Interface IntegerNumber

func (Int) TypeName 

func (integer Int) TypeName() string

Interface Value

type Int32 

type Int32 = int32

type IntegerNumber 

type IntegerNumber interface {
	ToInt() Int
}

IntegerNumber is the common interface for numeric values used as indexes in List, Strings or Bytes: Int, UInt, Byte and BInt.

type Iterator 

type Iterator interface {
	Next() Value
	Exhausted() bool
}

Iterator is the interface for every iterator value.

type LibLoader 

type LibLoader func() Importable

LibLoader is a function when called produces and returns a GModule.

type List 

type List struct {
	Elements []Value
}

List is an indexed-ordered random-access linear collection of values.

func (*List) BinaryOp 

func (list *List) BinaryOp(op byte, rhs Value) (Value, error)

func (*List) Clone 

func (list *List) Clone() Value

func (*List) Description 

func (list *List) Description() string

func (*List) Equals 

func (list *List) Equals(other Value) bool

func (*List) GetMethod 

func (list *List) GetMethod(name string) (Value, bool, error)

func (*List) HasMethods 

func (list *List) HasMethods() bool

func (*List) IsHashable 

func (list *List) IsHashable() bool

func (*List) IsIterable 

func (list *List) IsIterable() bool

func (*List) IsValueSemantics 

func (list *List) IsValueSemantics() bool

func (*List) MakeHashKey 

func (list *List) MakeHashKey() HashKey

func (*List) MakeIterator 

func (list *List) MakeIterator() Iterator

func (*List) PrefixOp 

func (list *List) PrefixOp(op byte) (Value, error)

func (*List) SliceGet 

func (list *List) SliceGet(sliceType UInt32, low, high Value) (Value, error)

Interface Slice operator.

func (*List) SliceSet 

func (list *List) SliceSet(sliceType UInt32, low, high, value Value) error

func (*List) SubscriptGet 

func (list *List) SubscriptGet(index Value) (Value, error)

Interface subscript operator.

func (*List) SubscriptSet 

func (list *List) SubscriptSet(index, value Value) error

func (*List) TypeName 

func (list *List) TypeName() string

Interface Value

type ListIterator 

type ListIterator struct {
	Object          *List
	EndIndex, Index Int
	IsRange         bool
}

ListIterator is an object to iterate over lists and returns an item or a tuple (idx, val).

func NewListIterator 

func NewListIterator(list *List, isrange bool) *ListIterator

func (*ListIterator) BinaryOp 

func (iter *ListIterator) BinaryOp(op byte, rhs Value) (Value, error)

func (*ListIterator) Clone 

func (iter *ListIterator) Clone() Value

func (*ListIterator) Description 

func (iter *ListIterator) Description() string

func (*ListIterator) Equals 

func (iter *ListIterator) Equals(other Value) bool

func (*ListIterator) Exhausted 

func (iter *ListIterator) Exhausted() bool

func (*ListIterator) GetMethod 

func (iter *ListIterator) GetMethod(name string) (Value, bool, error)

func (*ListIterator) HasMethods 

func (iter *ListIterator) HasMethods() bool

func (*ListIterator) IsHashable 

func (iter *ListIterator) IsHashable() bool

func (*ListIterator) IsIterable 

func (iter *ListIterator) IsIterable() bool

func (*ListIterator) IsValueSemantics 

func (iter *ListIterator) IsValueSemantics() bool

func (*ListIterator) MakeHashKey 

func (iter *ListIterator) MakeHashKey() HashKey

func (*ListIterator) MakeIterator 

func (iter *ListIterator) MakeIterator() Iterator

func (*ListIterator) Next 

func (iter *ListIterator) Next() Value

func (*ListIterator) PrefixOp 

func (iter *ListIterator) PrefixOp(op byte) (Value, error)

func (*ListIterator) TypeName 

func (iter *ListIterator) TypeName() string

Interface Value

type Map 

type Map map[HashKey]Pair

Map is a hash table or dictionary.

func (Map) BinaryOp 

func (m Map) BinaryOp(op byte, rhs Value) (Value, error)

func (Map) Clone 

func (m Map) Clone() Value

func (Map) Description 

func (m Map) Description() string

func (Map) Equals 

func (m Map) Equals(other Value) bool

func (Map) GetMethod 

func (m Map) GetMethod(name string) (Value, bool, error)

func (Map) HasMethods 

func (m Map) HasMethods() bool

func (Map) IsHashable 

func (m Map) IsHashable() bool

func (Map) IsIterable 

func (m Map) IsIterable() bool

func (Map) IsValueSemantics 

func (m Map) IsValueSemantics() bool

func (Map) MakeHashKey 

func (m Map) MakeHashKey() HashKey

func (Map) MakeIterator 

func (m Map) MakeIterator() Iterator

func (Map) PrefixOp 

func (m Map) PrefixOp(op byte) (Value, error)

func (Map) SubscriptGet 

func (m Map) SubscriptGet(index Value) (Value, error)

Interface subscription operator.

func (Map) SubscriptSet 

func (m Map) SubscriptSet(index, value Value) error

func (Map) TypeName 

func (m Map) TypeName() string

Interface Value

type MapIterator 

type MapIterator struct {
	Object          Map
	Keys            []HashKey
	Index, EndIndex Int
	IsRange         bool
}

MapIterator is an object to iterate over maps.

func NewMapIterator 

func NewMapIterator(mmap Map, isrange bool) *MapIterator

func (*MapIterator) BinaryOp 

func (iter *MapIterator) BinaryOp(op byte, rhs Value) (Value, error)

func (*MapIterator) Clone 

func (iter *MapIterator) Clone() Value

func (*MapIterator) Description 

func (iter *MapIterator) Description() string

func (*MapIterator) Equals 

func (iter *MapIterator) Equals(other Value) bool

func (*MapIterator) Exhausted 

func (iter *MapIterator) Exhausted() bool

func (*MapIterator) GetMethod 

func (iter *MapIterator) GetMethod(name string) (Value, bool, error)

func (*MapIterator) HasMethods 

func (iter *MapIterator) HasMethods() bool

func (*MapIterator) IsHashable 

func (iter *MapIterator) IsHashable() bool

func (*MapIterator) IsIterable 

func (iter *MapIterator) IsIterable() bool

func (*MapIterator) IsValueSemantics 

func (iter *MapIterator) IsValueSemantics() bool

func (*MapIterator) MakeHashKey 

func (iter *MapIterator) MakeHashKey() HashKey

func (*MapIterator) MakeIterator 

func (iter *MapIterator) MakeIterator() Iterator

func (*MapIterator) Next 

func (iter *MapIterator) Next() Value

func (*MapIterator) PrefixOp 

func (iter *MapIterator) PrefixOp(op byte) (Value, error)

func (*MapIterator) TypeName 

func (iter *MapIterator) TypeName() string

Interface Value

type NamedConstants 

type NamedConstants struct {
	Name      string
	Constants Namespace
	Indexes   map[Bytecode]string
}

NamedConstants models small namespace of constant values. Those values must have value semantics.

func (NamedConstants) BinaryOp 

func (constants NamedConstants) BinaryOp(op byte, rhs Value) (Value, error)

func (NamedConstants) Clone 

func (constants NamedConstants) Clone() Value

func (NamedConstants) Description 

func (constants NamedConstants) Description() string

func (NamedConstants) Equals 

func (constants NamedConstants) Equals(other Value) bool

func (NamedConstants) GetMethod 

func (constants NamedConstants) GetMethod(name string) (Value, bool, error)

func (NamedConstants) HasMethods 

func (constants NamedConstants) HasMethods() bool

func (NamedConstants) IsHashable 

func (constants NamedConstants) IsHashable() bool

func (NamedConstants) IsIterable 

func (constants NamedConstants) IsIterable() bool

func (NamedConstants) IsValueSemantics 

func (constants NamedConstants) IsValueSemantics() bool

func (NamedConstants) MakeHashKey 

func (constants NamedConstants) MakeHashKey() HashKey

func (NamedConstants) MakeIterator 

func (constants NamedConstants) MakeIterator() Iterator

func (NamedConstants) PrefixOp 

func (constants NamedConstants) PrefixOp(op byte) (Value, error)

func (NamedConstants) SelectorGet 

func (constants NamedConstants) SelectorGet(field string) (Value, error)

Interface SelectorOperator. NamedConstants implements only get becuase it is an immutable Value.

func (NamedConstants) SelectorSet 

func (constants NamedConstants) SelectorSet(string, Value) error

func (NamedConstants) TypeName 

func (constants NamedConstants) TypeName() string

Interface Value

type Namespace 

type Namespace = map[string]Value

Namespace is a type alias for a map between variable names and arbitrary Values.

type Nil 

type Nil byte

Nil is the value representing the absence of value.

func (Nil) BinaryOp 

func (n Nil) BinaryOp(op byte, rhs Value) (Value, error)

func (Nil) Clone 

func (n Nil) Clone() Value

func (Nil) Description 

func (n Nil) Description() string

func (Nil) Equals 

func (n Nil) Equals(other Value) bool

func (Nil) GetMethod 

func (n Nil) GetMethod(name string) (Value, bool, error)

func (Nil) HasMethods 

func (n Nil) HasMethods() bool

func (Nil) IsHashable 

func (n Nil) IsHashable() bool

func (Nil) IsIterable 

func (n Nil) IsIterable() bool

func (Nil) IsValueSemantics 

func (n Nil) IsValueSemantics() bool

func (Nil) MakeHashKey 

func (n Nil) MakeHashKey() HashKey

func (Nil) MakeIterator 

func (n Nil) MakeIterator() Iterator

func (Nil) PrefixOp 

func (n Nil) PrefixOp(op byte) (Value, error)

func (Nil) TypeName 

func (n Nil) TypeName() string

Interface Value

type NumericIterator 

type NumericIterator struct {
	Value, End, Step Int
	TowardsRight     Bool
}

NumericIterator is the iterator over a range of integers.

func NewRange 

func NewRange(value, end, step Int, towardsRight Bool) *NumericIterator

func (*NumericIterator) BinaryOp 

func (iter *NumericIterator) BinaryOp(op byte, rhs Value) (Value, error)

func (*NumericIterator) Clone 

func (iter *NumericIterator) Clone() Value

func (*NumericIterator) Description 

func (iter *NumericIterator) Description() string

func (*NumericIterator) Equals 

func (iter *NumericIterator) Equals(other Value) bool

func (*NumericIterator) Exhausted 

func (iter *NumericIterator) Exhausted() bool

func (*NumericIterator) GetMethod 

func (iter *NumericIterator) GetMethod(name string) (Value, bool, error)

func (*NumericIterator) HasMethods 

func (iter *NumericIterator) HasMethods() bool

func (*NumericIterator) IsHashable 

func (iter *NumericIterator) IsHashable() bool

func (*NumericIterator) IsIterable 

func (iter *NumericIterator) IsIterable() bool

func (*NumericIterator) IsValueSemantics 

func (iter *NumericIterator) IsValueSemantics() bool

func (*NumericIterator) MakeHashKey 

func (iter *NumericIterator) MakeHashKey() HashKey

func (*NumericIterator) MakeIterator 

func (iter *NumericIterator) MakeIterator() Iterator

func (*NumericIterator) Next 

func (iter *NumericIterator) Next() Value

func (*NumericIterator) PrefixOp 

func (iter *NumericIterator) PrefixOp(op byte) (Value, error)

func (*NumericIterator) TypeName 

func (iter *NumericIterator) TypeName() string

Interface Value

type Pair 

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

Pair is a helper struct to hold keys and values as return value when iterating over maps and records.

func (Pair) BinaryOp 

func (pair Pair) BinaryOp(op byte, rhs Value) (Value, error)

func (Pair) Clone 

func (pair Pair) Clone() Value

func (Pair) Description 

func (pair Pair) Description() string

func (Pair) Equals 

func (pair Pair) Equals(other Value) bool

func (Pair) GetMethod 

func (pair Pair) GetMethod(name string) (Value, bool, error)

func (Pair) HasMethods 

func (pair Pair) HasMethods() bool

func (Pair) IsHashable 

func (pair Pair) IsHashable() bool

func (Pair) IsIterable 

func (pair Pair) IsIterable() bool

func (Pair) IsValueSemantics 

func (pair Pair) IsValueSemantics() bool

func (Pair) MakeHashKey 

func (pair Pair) MakeHashKey() HashKey

func (Pair) MakeIterator 

func (pair Pair) MakeIterator() Iterator

func (Pair) PrefixOp 

func (pair Pair) PrefixOp(op byte) (Value, error)

func (Pair) SelectorGet 

func (pair Pair) SelectorGet(field string) (Value, error)

Interface SelectorOperator. Pair implements only get becuase it is an immutable Value.

func (Pair) SelectorSet 

func (pair Pair) SelectorSet(string, Value) error

func (Pair) TypeName 

func (pair Pair) TypeName() string

Interface Value

type Rational 

type Rational struct {
	Value *big.Rat
}

Rational models an arbitrary precision rational number.

func (*Rational) BinaryOp 

func (rat *Rational) BinaryOp(op byte, rhs Value) (Value, error)

func (*Rational) Clone 

func (rat *Rational) Clone() Value

func (*Rational) Description 

func (rat *Rational) Description() string

func (*Rational) Equals 

func (rat *Rational) Equals(other Value) bool

func (*Rational) GetMethod 

func (rat *Rational) GetMethod(name string) (Value, bool, error)

func (*Rational) HasMethods 

func (rat *Rational) HasMethods() bool

func (*Rational) IsHashable 

func (rat *Rational) IsHashable() bool

func (*Rational) IsIterable 

func (rat *Rational) IsIterable() bool

func (*Rational) IsValueSemantics 

func (rat *Rational) IsValueSemantics() bool

func (*Rational) MakeHashKey 

func (rat *Rational) MakeHashKey() HashKey

func (*Rational) MakeIterator 

func (rat *Rational) MakeIterator() Iterator

func (*Rational) PrefixOp 

func (rat *Rational) PrefixOp(op byte) (Value, error)

func (*Rational) TypeName 

func (rat *Rational) TypeName() string

Interface Value

type Record 

type Record struct {
	Properties Namespace
}

Record is a non-ordered structured {property:value} data type.

func (Record) BinaryOp 

func (record Record) BinaryOp(op byte, rhs Value) (Value, error)

func (Record) Clone 

func (record Record) Clone() Value

func (Record) Description 

func (record Record) Description() string

func (Record) Equals 

func (record Record) Equals(other Value) bool

func (Record) GetMethod 

func (record Record) GetMethod(name string) (Value, bool, error)

func (Record) HasMethods 

func (record Record) HasMethods() bool

func (Record) IsHashable 

func (record Record) IsHashable() bool

func (Record) IsIterable 

func (record Record) IsIterable() bool

func (Record) IsValueSemantics 

func (record Record) IsValueSemantics() bool

func (Record) MakeHashKey 

func (record Record) MakeHashKey() HashKey

func (Record) MakeIterator 

func (record Record) MakeIterator() Iterator

func (Record) PrefixOp 

func (record Record) PrefixOp(op byte) (Value, error)

func (Record) SelectorGet 

func (record Record) SelectorGet(field string) (Value, error)

Interface SelectorOperator.

func (Record) SelectorSet 

func (record Record) SelectorSet(property string, value Value) error

func (Record) SubscriptGet 

func (record Record) SubscriptGet(index Value) (Value, error)

Interface Subscript Operator.

func (Record) SubscriptSet 

func (record Record) SubscriptSet(index, value Value) error

func (Record) TypeName 

func (record Record) TypeName() string

Interface Value

type RecordIterator 

type RecordIterator struct {
	Object          *Record
	Keys            []string
	Index, EndIndex Int
	IsRange         bool
}

func NewRecordIterator 

func NewRecordIterator(record Record, isrange bool) *RecordIterator

func (*RecordIterator) BinaryOp 

func (iter *RecordIterator) BinaryOp(op byte, rhs Value) (Value, error)

func (*RecordIterator) Clone 

func (iter *RecordIterator) Clone() Value

func (*RecordIterator) Description 

func (iter *RecordIterator) Description() string

func (*RecordIterator) Equals 

func (iter *RecordIterator) Equals(other Value) bool

func (*RecordIterator) Exhausted 

func (iter *RecordIterator) Exhausted() bool

func (*RecordIterator) GetMethod 

func (iter *RecordIterator) GetMethod(name string) (Value, bool, error)

func (*RecordIterator) HasMethods 

func (iter *RecordIterator) HasMethods() bool

func (*RecordIterator) IsHashable 

func (iter *RecordIterator) IsHashable() bool

func (*RecordIterator) IsIterable 

func (iter *RecordIterator) IsIterable() bool

func (*RecordIterator) IsValueSemantics 

func (iter *RecordIterator) IsValueSemantics() bool

func (*RecordIterator) MakeHashKey 

func (iter *RecordIterator) MakeHashKey() HashKey

func (*RecordIterator) MakeIterator 

func (iter *RecordIterator) MakeIterator() Iterator

func (*RecordIterator) Next 

func (iter *RecordIterator) Next() Value

func (*RecordIterator) PrefixOp 

func (iter *RecordIterator) PrefixOp(op byte) (Value, error)

func (*RecordIterator) TypeName 

func (iter *RecordIterator) TypeName() string

Interface Value

type Repl 

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

Repl models an iterative updated computation structure.

func NewRepl 

func NewRepl(moduleName string, stdlib map[string]LibLoader) *Repl

func (*Repl) Eval 

func (repl *Repl) Eval(code string, showCode bool) (err error)

type Result 

type Result struct {
	Error Value
	Value Value
}

Result models the result of computations that could fail.

func (Result) BinaryOp 

func (result Result) BinaryOp(op byte, rhs Value) (Value, error)

func (Result) Clone 

func (result Result) Clone() Value

func (Result) Description 

func (result Result) Description() string

func (Result) Equals 

func (result Result) Equals(other Value) bool

func (Result) GetMethod 

func (result Result) GetMethod(name string) (Value, bool, error)

func (Result) HasMethods 

func (result Result) HasMethods() bool

func (Result) IsHashable 

func (result Result) IsHashable() bool

func (Result) IsIterable 

func (result Result) IsIterable() bool

func (Result) IsValueSemantics 

func (result Result) IsValueSemantics() bool

func (Result) MakeHashKey 

func (result Result) MakeHashKey() HashKey

func (Result) MakeIterator 

func (result Result) MakeIterator() Iterator

func (Result) PrefixOp 

func (result Result) PrefixOp(op byte) (Value, error)

func (Result) SelectorGet 

func (result Result) SelectorGet(field string) (Value, error)

Interface SelectorOperator. Result implements only get becuase it is an immutable Value.

func (Result) SelectorSet 

func (result Result) SelectorSet(string, Value) error

func (Result) TypeName 

func (result Result) TypeName() string

Interface Value

type Rune 

type Rune rune

Rune models a unicode codepoint value.

func (Rune) BinaryOp 

func (r Rune) BinaryOp(op byte, rhs Value) (Value, error)

func (Rune) Clone 

func (r Rune) Clone() Value

func (Rune) Description 

func (r Rune) Description() string

func (Rune) Equals 

func (r Rune) Equals(other Value) bool

func (Rune) GetMethod 

func (r Rune) GetMethod(name string) (Value, bool, error)

func (Rune) HasMethods 

func (r Rune) HasMethods() bool

func (Rune) IsHashable 

func (r Rune) IsHashable() bool

func (Rune) IsIterable 

func (r Rune) IsIterable() bool

func (Rune) IsValueSemantics 

func (r Rune) IsValueSemantics() bool

func (Rune) MakeHashKey 

func (r Rune) MakeHashKey() HashKey

func (Rune) MakeIterator 

func (r Rune) MakeIterator() Iterator

func (Rune) PrefixOp 

func (r Rune) PrefixOp(op byte) (Value, error)

func (Rune) TypeName 

func (r Rune) TypeName() string

Interface Value

type SelectorOperable 

type SelectorOperable interface {
	SelectorGet(string) (Value, error)
	SelectorSet(string, Value) error
}

SelectorOperable interface for Values implementing operator selector (value '.' property)

type Set 

type Set map[HashKey]Value

Set is a collection of unique values.

func (Set) BinaryOp 

func (set Set) BinaryOp(op byte, rhs Value) (Value, error)

func (Set) Clone 

func (set Set) Clone() Value

func (Set) Description 

func (set Set) Description() string

func (Set) Equals 

func (set Set) Equals(other Value) bool

func (Set) GetMethod 

func (set Set) GetMethod(name string) (Value, bool, error)

func (Set) HasMethods 

func (set Set) HasMethods() bool

func (Set) IsHashable 

func (set Set) IsHashable() bool

func (Set) IsIterable 

func (set Set) IsIterable() bool

func (Set) IsValueSemantics 

func (set Set) IsValueSemantics() bool

func (Set) MakeHashKey 

func (set Set) MakeHashKey() HashKey

func (Set) MakeIterator 

func (set Set) MakeIterator() Iterator

func (Set) PrefixOp 

func (set Set) PrefixOp(op byte) (Value, error)

func (Set) TypeName 

func (set Set) TypeName() string

Interface Value

type SetIterator 

type SetIterator struct {
	Object          Set
	Keys            []HashKey
	Index, EndIndex Int
	IsRange         bool
}

SetIterator is an objecto to iterate over sets.

func NewSetIterator 

func NewSetIterator(set Set, isrange bool) *SetIterator

func (*SetIterator) BinaryOp 

func (iter *SetIterator) BinaryOp(op byte, rhs Value) (Value, error)

func (*SetIterator) Clone 

func (iter *SetIterator) Clone() Value

func (*SetIterator) Description 

func (iter *SetIterator) Description() string

func (*SetIterator) Equals 

func (iter *SetIterator) Equals(other Value) bool

func (*SetIterator) Exhausted 

func (iter *SetIterator) Exhausted() bool

func (*SetIterator) GetMethod 

func (iter *SetIterator) GetMethod(name string) (Value, bool, error)

func (*SetIterator) HasMethods 

func (iter *SetIterator) HasMethods() bool

func (*SetIterator) IsHashable 

func (iter *SetIterator) IsHashable() bool

func (*SetIterator) IsIterable 

func (iter *SetIterator) IsIterable() bool

func (*SetIterator) IsValueSemantics 

func (iter *SetIterator) IsValueSemantics() bool

func (*SetIterator) MakeHashKey 

func (iter *SetIterator) MakeHashKey() HashKey

func (*SetIterator) MakeIterator 

func (iter *SetIterator) MakeIterator() Iterator

func (*SetIterator) Next 

func (iter *SetIterator) Next() Value

func (*SetIterator) PrefixOp 

func (iter *SetIterator) PrefixOp(op byte) (Value, error)

func (*SetIterator) TypeName 

func (iter *SetIterator) TypeName() string

Interface Value

type SliceOperable 

type SliceOperable interface {
	SliceGet(UInt32, Value, Value) (Value, error)
	SliceSet(UInt32, Value, Value, Value) error
}

SliceOperable interface for Values implementing slice operator subscript (value '[e:e]' | '[e:]' | '[:e]' | '[:]')

type String 

type String struct {
	Value string
	Runes []rune
}

func (*String) BinaryOp 

func (s *String) BinaryOp(op byte, rhs Value) (Value, error)

func (*String) Clone 

func (s *String) Clone() Value

func (*String) Description 

func (s *String) Description() string

func (*String) Equals 

func (s *String) Equals(other Value) bool

func (*String) GetMethod 

func (s *String) GetMethod(name string) (Value, bool, error)

func (*String) HasMethods 

func (s *String) HasMethods() bool

func (*String) IsHashable 

func (s *String) IsHashable() bool

func (*String) IsIterable 

func (s *String) IsIterable() bool

func (*String) IsValueSemantics 

func (s *String) IsValueSemantics() bool

func (*String) MakeHashKey 

func (s *String) MakeHashKey() HashKey

func (*String) MakeIterator 

func (s *String) MakeIterator() Iterator

func (*String) PrefixOp 

func (s *String) PrefixOp(op byte) (Value, error)

func (*String) SliceGet 

func (s *String) SliceGet(sliceType UInt32, low, high Value) (Value, error)

Interface Slice operator.

func (*String) SliceSet 

func (s *String) SliceSet(sliceType UInt32, low, high, value Value) error

func (*String) SubscriptGet 

func (s *String) SubscriptGet(index Value) (Value, error)

Interface SubscriptOperable.

func (*String) SubscriptSet 

func (s *String) SubscriptSet(index, value Value) error

func (*String) TypeName 

func (s *String) TypeName() string

Interface Value

type StringIterator 

type StringIterator struct {
	Object              *String
	EndIndex, RuneIndex Int
	IsRange             bool
}

String iterator is an object to iterate over runes in strings.

func NewStringIterator 

func NewStringIterator(str *String, isrange bool) *StringIterator

func (*StringIterator) BinaryOp 

func (iter *StringIterator) BinaryOp(op byte, rhs Value) (Value, error)

func (*StringIterator) Clone 

func (iter *StringIterator) Clone() Value

func (*StringIterator) Description 

func (iter *StringIterator) Description() string

func (*StringIterator) Equals 

func (iter *StringIterator) Equals(other Value) bool

func (*StringIterator) Exhausted 

func (iter *StringIterator) Exhausted() bool

func (*StringIterator) GetMethod 

func (iter *StringIterator) GetMethod(name string) (Value, bool, error)

func (*StringIterator) HasMethods 

func (iter *StringIterator) HasMethods() bool

func (*StringIterator) IsHashable 

func (iter *StringIterator) IsHashable() bool

func (*StringIterator) IsIterable 

func (iter *StringIterator) IsIterable() bool

func (*StringIterator) IsValueSemantics 

func (iter *StringIterator) IsValueSemantics() bool

func (*StringIterator) MakeHashKey 

func (iter *StringIterator) MakeHashKey() HashKey

func (*StringIterator) MakeIterator 

func (iter *StringIterator) MakeIterator() Iterator

func (*StringIterator) Next 

func (iter *StringIterator) Next() Value

func (*StringIterator) PrefixOp 

func (iter *StringIterator) PrefixOp(op byte) (Value, error)

func (*StringIterator) TypeName 

func (iter *StringIterator) TypeName() string

Interface Value

type Struct 

type Struct struct {
	Id      UInt
	Name    string
	Public  Namespace
	Private Namespace
	Methods Namespace
}

Struct is the stencil or blueprint of a new user-defined structured data type.

func (Struct) BinaryOp 

func (s Struct) BinaryOp(op byte, rhs Value) (Value, error)

func (Struct) Clone 

func (s Struct) Clone() Value

func (Struct) Description 

func (s Struct) Description() string

func (Struct) Equals 

func (s Struct) Equals(other Value) bool

func (Struct) GetMethod 

func (s Struct) GetMethod(name string) (Value, bool, error)

func (Struct) HasMethods 

func (s Struct) HasMethods() bool

func (Struct) IsHashable 

func (s Struct) IsHashable() bool

func (Struct) IsIterable 

func (s Struct) IsIterable() bool

func (Struct) IsValueSemantics 

func (s Struct) IsValueSemantics() bool

func (Struct) MakeHashKey 

func (s Struct) MakeHashKey() HashKey

func (Struct) MakeIterator 

func (s Struct) MakeIterator() Iterator

func (Struct) PrefixOp 

func (s Struct) PrefixOp(op byte) (Value, error)

func (Struct) SelectorGet 

func (s Struct) SelectorGet(field string) (Value, error)

Interface SelectorOperator. Struct implements only get becuase it is an immutable Value.

func (Struct) SelectorSet 

func (s Struct) SelectorSet(string, Value) error

func (Struct) TypeName 

func (s Struct) TypeName() string

Interface Value

type SubscriptOperable 

type SubscriptOperable interface {
	SubscriptGet(Value) (Value, error)
	SubscriptSet(Value, Value) error
}

SubscriptOperable interface for Values implementing operator subscript (value '[expr]')

type Tuple 

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

Tuple is a helper struct to hold indexes and values as return value when iterating over lists and strings.

func (Tuple) BinaryOp 

func (tuple Tuple) BinaryOp(op byte, rhs Value) (Value, error)

func (Tuple) Clone 

func (tuple Tuple) Clone() Value

func (Tuple) Description 

func (tuple Tuple) Description() string

func (Tuple) Equals 

func (tuple Tuple) Equals(other Value) bool

func (Tuple) GetMethod 

func (tuple Tuple) GetMethod(name string) (Value, bool, error)

func (Tuple) HasMethods 

func (tuple Tuple) HasMethods() bool

func (Tuple) IsHashable 

func (tuple Tuple) IsHashable() bool

func (Tuple) IsIterable 

func (tuple Tuple) IsIterable() bool

func (Tuple) IsValueSemantics 

func (tuple Tuple) IsValueSemantics() bool

func (Tuple) MakeHashKey 

func (tuple Tuple) MakeHashKey() HashKey

func (Tuple) MakeIterator 

func (tuple Tuple) MakeIterator() Iterator

func (Tuple) PrefixOp 

func (tuple Tuple) PrefixOp(op byte) (Value, error)

func (Tuple) SelectorGet 

func (tuple Tuple) SelectorGet(field string) (Value, error)

Interface SelectorOperator. Tuple implements only get becuase it is an immutable Value.

func (Tuple) SelectorSet 

func (tuple Tuple) SelectorSet(string, Value) error

func (Tuple) TypeName 

func (tuple Tuple) TypeName() string

Interface Value

type UInt 

type UInt uint64

Type UInt models unsigned inteters of 64 bits machine independent.

func (UInt) BinaryOp 

func (u UInt) BinaryOp(op byte, rhs Value) (Value, error)

func (UInt) Clone 

func (u UInt) Clone() Value

func (UInt) Description 

func (u UInt) Description() string

func (UInt) Equals 

func (u UInt) Equals(other Value) bool

func (UInt) GetMethod 

func (u UInt) GetMethod(name string) (Value, bool, error)

func (UInt) HasMethods 

func (u UInt) HasMethods() bool

func (UInt) IsHashable 

func (u UInt) IsHashable() bool

func (UInt) IsIterable 

func (u UInt) IsIterable() bool

func (UInt) IsValueSemantics 

func (u UInt) IsValueSemantics() bool

func (UInt) MakeHashKey 

func (u UInt) MakeHashKey() HashKey

func (UInt) MakeIterator 

func (u UInt) MakeIterator() Iterator

func (UInt) PrefixOp 

func (u UInt) PrefixOp(op byte) (Value, error)

func (UInt) ToInt 

func (u UInt) ToInt() Int

Interface IntegerNumber

func (UInt) TypeName 

func (u UInt) TypeName() string

Interface Value

type UInt32 

type UInt32 = uint32

type VM 

type VM struct {
	*Fiber
}

VM hosts a thread of execution.

func (*VM) Run 

func (vm *VM) Run(fiberFunctionName string)

func (*VM) RunDebugger 

func (vm *VM) RunDebugger(fiberFunctionName string)

type VModule 

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

VModule models a Vida file with its compiled sorce code which is equivalent to a Vida module.

func (*VModule) BinaryOp 

func (mod *VModule) BinaryOp(op byte, rhs Value) (Value, error)

func (*VModule) Clone 

func (mod *VModule) Clone() Value

func (*VModule) Description 

func (mod *VModule) Description() string

func (*VModule) Equals 

func (mod *VModule) Equals(other Value) bool

func (*VModule) GetMethod 

func (mod *VModule) GetMethod(name string) (Value, bool, error)

func (*VModule) GetModuleName 

func (mod *VModule) GetModuleName() string

Interface Importable

func (*VModule) HasMethods 

func (mod *VModule) HasMethods() bool

func (*VModule) IsGModule 

func (mod *VModule) IsGModule() bool

func (*VModule) IsHashable 

func (mod *VModule) IsHashable() bool

func (*VModule) IsIterable 

func (mod *VModule) IsIterable() bool

func (*VModule) IsVModule 

func (mod *VModule) IsVModule() bool

func (*VModule) IsValueSemantics 

func (mod *VModule) IsValueSemantics() bool

func (*VModule) MakeHashKey 

func (mod *VModule) MakeHashKey() HashKey

func (*VModule) MakeIterator 

func (mod *VModule) MakeIterator() Iterator

func (*VModule) PrefixOp 

func (mod *VModule) PrefixOp(op byte) (Value, error)

func (*VModule) SelectorGet 

func (mod *VModule) SelectorGet(field string) (Value, error)

Interface SelectorOperator. VModule implements only get becuase it is an immutable Value.

func (*VModule) SelectorSet 

func (mod *VModule) SelectorSet(string, Value) error

func (*VModule) TypeName 

func (mod *VModule) TypeName() string

Interface Value

type Value 

type Value interface {
	TypeName() string
	Description() string
	Equals(Value) bool
	BinaryOp(byte, Value) (Value, error)
	PrefixOp(byte) (Value, error)
	IsIterable() bool
	MakeIterator() Iterator
	IsHashable() bool
	MakeHashKey() HashKey
	IsValueSemantics() bool
	HasMethods() bool
	GetMethod(string) (Value, bool, error)
	Clone() Value
}

Value interface models the inteface for all Vida Values.

func FiberCurrent 

func FiberCurrent(args ...Value) (Value, error)

Returns the current running a.k.a. resumed fiber.

func FiberIsAlive 

func FiberIsAlive(args ...Value) (Value, error)

Checks if a fiber is alive or terminated.

func FiberNew 

func FiberNew(args ...Value) (Value, error)

Creates a new Fiber with a function as its unique argument.

func FiberParent 

func FiberParent(args ...Value) (Value, error)

Returns the current running a.k.a. resumed fiber's caller fiber.

func FiberPrintStack 

func FiberPrintStack(args ...Value) (Value, error)

Prints the stack trace for a given fiber.

func FiberRecycle 

func FiberRecycle(args ...Value) (Value, error)

func FiberRun 

func FiberRun(args ...Value) (Value, error)

Activates or re-activates the fiber given as its first argument.

func FiberState 

func FiberState(args ...Value) (Value, error)

func FiberSuspend 

func FiberSuspend(args ...Value) (Value, error)

Suspends the fiber in which it is called and returns some value to the caller fiber. A.k.a. fiber yield.

func FiberTerminate 

func FiberTerminate(args ...Value) (Value, error)

func FiberWrap 

func FiberWrap(args ...Value) (Value, error)

Source Files

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