lisp

package
v0.0.0-...-27647ab Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Oct 17, 2023 License: BSD-3-Clause Imports: 15 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	UnexpectedEofErr  = ParseError{errors.New("unexpected EOF")}
	UnexpectedCharErr = ParseError{errors.New("unexpected char")}
)

Functions

func AppendValue 

func AppendValue(p **Cons, q **Cons, v Value)

func AsDisplay 

func AsDisplay(v Value) string

func AsNumbers 

func AsNumbers(v1 Value, v2 Value) (Number, Number, NumKind)

func AsString 

func AsString(v Value) string

func NumberEq 

func NumberEq(a Value, b Value) bool

func NumberGe 

func NumberGe(a Value, b Value) bool

func NumberGt 

func NumberGt(a Value, b Value) bool

func NumberLe 

func NumberLe(a Value, b Value) bool

func NumberLt 

func NumberLt(a Value, b Value) bool

func NumberNe 

func NumberNe(a Value, b Value) bool

Types

type Atom 

type Atom string

func (Atom) IsIdentity 

func (Atom) IsIdentity() bool

func (Atom) String 

func (v Atom) String() string

type Bool 

type Bool bool

func (Bool) IsIdentity 

func (Bool) IsIdentity() bool

func (Bool) String 

func (v Bool) String() string

type Callable 

type Callable interface {
	Value
	Call([]Value) Value
}

type Char 

type Char rune

func (Char) IsIdentity 

func (Char) IsIdentity() bool

func (Char) String 

func (v Char) String() string

type Compiler 

type Compiler struct{}

func NewCompiler 

func NewCompiler() *Compiler

func (*Compiler) Compile 

func (co *Compiler) Compile(src *Cons) (p Program)

type Complex 

type Complex complex128

func (Complex) AsComplex 

func (v Complex) AsComplex() Complex

func (Complex) AsFloat 

func (v Complex) AsFloat() Float

func (Complex) AsInt 

func (v Complex) AsInt() Int

func (Complex) AsRealNumber 

func (v Complex) AsRealNumber() float64

func (Complex) IsIdentity 

func (Complex) IsIdentity() bool

func (Complex) Kind 

func (v Complex) Kind() NumKind

func (Complex) Magnitude 

func (v Complex) Magnitude() Float

func (Complex) String 

func (v Complex) String() string

type Cons 

type Cons struct {
	Car, Cdr Value
}

func AsCons 

func AsCons(v Value) (*Cons, bool)

func AsPair 

func AsPair(car, cdr Value) *Cons

func MakeList 

func MakeList(vs ...Value) *Cons

func (*Cons) IsIdentity 

func (*Cons) IsIdentity() bool

func (*Cons) String 

func (v *Cons) String() string

type Float 

type Float float64

func (Float) AsComplex 

func (v Float) AsComplex() Complex

func (Float) AsFloat 

func (v Float) AsFloat() Float

func (Float) AsInt 

func (v Float) AsInt() Int

func (Float) IsIdentity 

func (Float) IsIdentity() bool

func (Float) Kind 

func (v Float) Kind() NumKind

func (Float) String 

func (v Float) String() string

type Instr 

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

func (Instr) String 

func (i Instr) String() string

type Int 

type Int int64

func (Int) AsComplex 

func (v Int) AsComplex() Complex

func (Int) AsFloat 

func (v Int) AsFloat() Float

func (Int) AsInt 

func (v Int) AsInt() Int

func (Int) IsIdentity 

func (Int) IsIdentity() bool

func (Int) Kind 

func (v Int) Kind() NumKind

func (Int) String 

func (v Int) String() string

type Intrinsic 

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

func (*Intrinsic) Call 

func (it *Intrinsic) Call(args []Value) Value

func (*Intrinsic) IsIdentity 

func (it *Intrinsic) IsIdentity() bool

func (*Intrinsic) String 

func (it *Intrinsic) String() string

type LoadedProc 

type LoadedProc struct {
	*Proc
	*Scope
}

func (LoadedProc) Call 

func (p LoadedProc) Call(args []Value) Value

type NumKind 

type NumKind int8
const (
	NumInt NumKind = iota
	NumFloat
	NumComplex
)

func (NumKind) Coerce 

func (k NumKind) Coerce(vt NumKind) NumKind

type Number 

type Number interface {
	Value

	Kind() NumKind
	AsInt() Int
	AsFloat() Float
	AsComplex() Complex
}

func AsNumber 

func AsNumber(v Value) Number

type Op 

type Op int8
const (
	OpInvalid Op = iota

	OpApply
	OpAsFalse
	OpAsTrue
	OpCar
	OpCdr
	OpCons
	OpDefine
	OpDrop
	OpGoto
	OpIfFalse
	OpLdConst
	OpLdProc
	OpLdVar
	OpReturn
	OpSet
)

func (Op) String 

func (o Op) String() string

type ParseError 

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

func (ParseError) Error 

func (e ParseError) Error() string

func (ParseError) Unwrap 

func (e ParseError) Unwrap() error

type Parser 

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

func NewParser 

func NewParser(r io.Reader) *Parser

func (*Parser) Parse 

func (pa *Parser) Parse() (ret *Cons, err error)

type Proc 

type Proc struct {
	Name string
	Code Program
	Args []string
}

func (*Proc) IsIdentity 

func (p *Proc) IsIdentity() bool

func (*Proc) LoadWithScope 

func (p *Proc) LoadWithScope(scope *Scope) LoadedProc

func (*Proc) String 

func (p *Proc) String() string

type Program 

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

func (Program) String 

func (p Program) String() string

type Reflect 

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

func (Reflect) IsIdentity 

func (r Reflect) IsIdentity() bool

func (Reflect) String 

func (r Reflect) String() string

type RuneWriter 

type RuneWriter interface {
	WriteRune(r rune) (int, error)
}

type Scope 

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

func NewScope 

func NewScope(parent *Scope) *Scope

func (*Scope) Derive 

func (sc *Scope) Derive(proc *Proc, vals []Value) (ret *Scope)

func (*Scope) Get 

func (sc *Scope) Get(key string) (v Value, ok bool)

func (*Scope) Merge 

func (sc *Scope) Merge(proc *Proc, vals []Value)

func (*Scope) Set 

func (sc *Scope) Set(key string, val Value)

type String 

type String string

func (String) IsIdentity 

func (String) IsIdentity() bool

func (String) String 

func (v String) String() string

type Value 

type Value interface {
	IsIdentity() bool

	String() string
	// contains filtered or unexported methods
}

func AsValue 

func AsValue(v any) Value

func Evaluate 

func Evaluate(s *Scope, p Program) Value

func NumberAdd 

func NumberAdd(a Value, b Value) Value

func NumberDiv 

func NumberDiv(a Value, b Value) Value

func NumberMul 

func NumberMul(a Value, b Value) Value

func NumberSub 

func NumberSub(a Value, b Value) Value

Source Files

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