runtime

Documentation

Index

• Constants
• Variables
• func IsError(v interface{}) bool
• type Bitstring
  • func NewBitstring(s string) (*Bitstring, error)
  • func (b *Bitstring) Inspect() string
  • func (b *Bitstring) Type() ObjectType
• type Bool
  • func NewBool(b bool) Bool
  • func (b Bool) Bool() bool
  • func (b Bool) Inspect() string
  • func (b Bool) Type() ObjectType
• type Builtin
  • func (b *Builtin) Inspect() string
  • func (b *Builtin) Type() ObjectType
• type Env
  • func NewEnv(outer *Env) *Env
  • func (env *Env) Get(name string) (Object, bool)
  • func (env *Env) Set(name string, val Object) Object
• type Error
  • func Errorf(format string, a ...interface{}) *Error
  • func (e *Error) Error() string
  • func (e *Error) Inspect() string
  • func (e *Error) Type() ObjectType
• type Float
  • func NewFloat(s string) Float
  • func (f Float) Inspect() string
  • func (f Float) Type() ObjectType
• type Function
  • func (f *Function) Inspect() string
  • func (f *Function) Type() ObjectType
• type Int
  • func NewInt(s string) Int
  • func (i Int) Inspect() string
  • func (i Int) Type() ObjectType
  • func (i Int) Value() *big.Int
• type List
  • func (l *List) Inspect() string
  • func (l *List) Type() ObjectType
• type Object
• type ObjectType
• type ReturnValue
  • func (r *ReturnValue) Inspect() string
  • func (r *ReturnValue) Type() ObjectType
• type String
  • func (s *String) Inspect() string
  • func (s *String) Type() ObjectType
• type Unit
  • func (u Unit) Base() int
• type Verdict
  • func (v Verdict) Inspect() string
  • func (v Verdict) Type() ObjectType

Constants

const (
	Bit    Unit = 1
	Hex         = 4
	Octett      = 8
)

const (
	UNKNOWN       ObjectType = "unknown"
	UNDEFINED                = "undefined"
	RUNTIME_ERROR            = "runtime error"
	RETURN_VALUE             = "return value"
	INTEGER                  = "integer"
	FLOAT                    = "float"
	BOOL                     = "boolean"
	STRING                   = "string"
	BITSTRING                = "bitstring"
	FUNCTION                 = "function"
	LIST                     = "list"
	BUILTIN_OBJ              = "builtin function"
	VERDICT                  = "verdict"
)

Variables

var Builtins = map[string]*Builtin{
	"lengthof": {Fn: func(args ...Object) Object {
		if len(args) != 1 {
			return Errorf("wrong number of arguments. got=%d, want=1", len(args))
		}

		switch arg := args[0].(type) {
		case *String:
			return Int{Int: big.NewInt(int64(len(arg.Value)))}
		case *Bitstring:
			return Int{Int: big.NewInt(int64(arg.Value.BitLen() / int(arg.Unit)))}

		}
		return Errorf("%s arguments not supported", args[0].Type())
	}},
}

var ErrSyntax = errors.New("invalid syntax")

var (
	Undefined = &undefined{}
)

Functions

func IsError

func IsError(v interface{}) bool

Types

type Bitstring

type Bitstring struct {
	Value *big.Int
	Unit  Unit
}

func NewBitstring

func NewBitstring(s string) (*Bitstring, error)

func (*Bitstring) Inspect

func (b *Bitstring) Inspect() string

func (*Bitstring) Type

func (b *Bitstring) Type() ObjectType

type Bool

type Bool bool

func NewBool

func NewBool(b bool) Bool

func (Bool) Bool

func (b Bool) Bool() bool

func (Bool) Inspect

func (b Bool) Inspect() string

func (Bool) Type

func (b Bool) Type() ObjectType

type Builtin

type Builtin struct {
	Fn func(args ...Object) Object
}

func (*Builtin) Inspect

func (b *Builtin) Inspect() string

func (*Builtin) Type

func (b *Builtin) Type() ObjectType

type Env

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

func NewEnv

func NewEnv(outer *Env) *Env

func (*Env) Get

func (env *Env) Get(name string) (Object, bool)

func (*Env) Set

func (env *Env) Set(name string, val Object) Object

type Error

type Error struct {
	Message string
}

func Errorf

func Errorf(format string, a ...interface{}) *Error

func (*Error) Error

func (e *Error) Error() string

func (*Error) Inspect

func (e *Error) Inspect() string

func (*Error) Type

func (e *Error) Type() ObjectType

type Float

type Float struct{ *big.Float }

func NewFloat

func NewFloat(s string) Float

func (Float) Inspect

func (f Float) Inspect() string

func (Float) Type

func (f Float) Type() ObjectType

type Function

type Function struct {
	Params *ast.FormalPars
	Body   *ast.BlockStmt
	Env    *Env
}

func (*Function) Inspect

func (f *Function) Inspect() string

func (*Function) Type

func (f *Function) Type() ObjectType

type Int

type Int struct{ *big.Int }

func NewInt

func NewInt(s string) Int

func (Int) Inspect

func (i Int) Inspect() string

func (Int) Type

func (i Int) Type() ObjectType

func (Int) Value

func (i Int) Value() *big.Int

type List

type List struct {
	Elements []Object
}

func (*List) Inspect

func (l *List) Inspect() string

func (*List) Type

func (l *List) Type() ObjectType

type Object

type Object interface {
	Inspect() string
	Type() ObjectType
}

type ObjectType

type ObjectType string

type ReturnValue

type ReturnValue struct {
	Value Object
}

func (*ReturnValue) Inspect

func (r *ReturnValue) Inspect() string

func (*ReturnValue) Type

func (r *ReturnValue) Type() ObjectType

type String

type String struct {
	Value string
}

func (*String) Inspect

func (s *String) Inspect() string

func (*String) Type

func (s *String) Type() ObjectType

type Unit

type Unit int

func (Unit) Base

func (u Unit) Base() int

type Verdict

type Verdict string

const (
	NoneVerdict   Verdict = "none"
	PassVerdict   Verdict = "pass"
	InconcVerdict Verdict = "inconc"
	FailVerdict   Verdict = "fail"
	ErrorVerdict  Verdict = "error"
)

func (Verdict) Inspect

func (v Verdict) Inspect() string

func (Verdict) Type

func (v Verdict) Type() ObjectType