interpreter

package
v0.0.0-...-fbe25eb Latest Latest
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 Go to latest Published: Aug 25, 2020 License: MIT Imports: 11 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Interpret 

func Interpret(program parser.Program, bitmap BitmapContext) error

func PrintFunctions 

func PrintFunctions() string

Types

type BitmapContext 

type BitmapContext interface {
	GetPixel(x int, y int) lang.Color
	SetPixel(x int, y int, color lang.Color)
	SourceWidth() int
	SourceHeight() int
	TargetWidth() int
	TargetHeight() int
	Convolute(x, y, width, height int, kernel []lang.Number) lang.Color
	MapRed(x, y, width, height int, kernel []lang.Number) []lang.Number
	MapGreen(x, y, width, height int, kernel []lang.Number) []lang.Number
	MapBlue(x, y, width, height int, kernel []lang.Number) []lang.Number
	MapAlpha(x, y, width, height int, kernel []lang.Number) []lang.Number
	Blt(x, y, width, height int)
	ResizeTarget(width, height int)
	Flip() int // return imageID for Recall()
	Recall(imageID int) error
	SetClipRect(rect image.Rectangle)
	ClipRect() image.Rectangle
	Log(message string)
	InterpolatePixel(x float32, y float32) *lang.Color
}

BitmapContext is the surface the ylang interpreter works on.

type Boolean 

type Boolean lang.Boolean

func (Boolean) Add 

func (b Boolean) Add(other Value) (Value, error)

func (Boolean) At 

func (b Boolean) At(bitmap BitmapContext) (Value, error)

func (Boolean) Compare 

func (b Boolean) Compare(other Value) (Value, error)

func (Boolean) Concat 

func (b Boolean) Concat(val Value) (Value, error)

func (Boolean) Div 

func (b Boolean) Div(other Value) (Value, error)

func (Boolean) In 

func (b Boolean) In(other Value) (Value, error)

func (Boolean) Index 

func (b Boolean) Index(index Value) (Value, error)

func (Boolean) IndexAssign 

func (b Boolean) IndexAssign(index Value, val Value) error

func (Boolean) IndexRange 

func (b Boolean) IndexRange(lower, upper Value) (Value, error)

func (Boolean) Iterate 

func (b Boolean) Iterate(visit func(Value) error) error

func (Boolean) Mod 

func (b Boolean) Mod(other Value) (Value, error)

func (Boolean) Mul 

func (b Boolean) Mul(other Value) (Value, error)

func (Boolean) Neg 

func (b Boolean) Neg() (Value, error)

func (Boolean) Not 

func (b Boolean) Not() (Value, error)

func (Boolean) PrintStr 

func (b Boolean) PrintStr() string

func (Boolean) Property 

func (b Boolean) Property(ident string) (Value, error)

func (Boolean) RuntimeTypeName 

func (b Boolean) RuntimeTypeName() string

func (Boolean) Sub 

func (b Boolean) Sub(other Value) (Value, error)

type Circle 

type Circle struct {
	Center Point
	Radius Number
}

func (Circle) Add 

func (c Circle) Add(other Value) (Value, error)

func (Circle) At 

func (c Circle) At(bitmap BitmapContext) (Value, error)

func (Circle) Compare 

func (c Circle) Compare(other Value) (Value, error)

func (Circle) Concat 

func (c Circle) Concat(val Value) (Value, error)

func (Circle) Div 

func (c Circle) Div(other Value) (Value, error)

func (Circle) In 

func (c Circle) In(other Value) (Value, error)

func (Circle) Index 

func (c Circle) Index(index Value) (Value, error)

func (Circle) IndexAssign 

func (c Circle) IndexAssign(index Value, val Value) error

func (Circle) IndexRange 

func (c Circle) IndexRange(lower, upper Value) (Value, error)

func (Circle) Iterate 

func (c Circle) Iterate(visit func(Value) error) error

func (Circle) Mod 

func (c Circle) Mod(other Value) (Value, error)

func (Circle) Mul 

func (c Circle) Mul(other Value) (Value, error)

func (Circle) Neg 

func (c Circle) Neg() (Value, error)

func (Circle) Not 

func (c Circle) Not() (Value, error)

func (Circle) PrintStr 

func (c Circle) PrintStr() string

func (Circle) Property 

func (c Circle) Property(ident string) (Value, error)

func (Circle) RuntimeTypeName 

func (c Circle) RuntimeTypeName() string

func (Circle) Sub 

func (c Circle) Sub(other Value) (Value, error)

type Color 

type Color lang.Color

func (Color) Add 

func (c Color) Add(other Value) (Value, error)

func (Color) At 

func (c Color) At(bitmap BitmapContext) (Value, error)

func (Color) Compare 

func (c Color) Compare(other Value) (Value, error)

func (Color) Concat 

func (c Color) Concat(val Value) (Value, error)

func (Color) Div 

func (c Color) Div(other Value) (Value, error)

func (Color) In 

func (c Color) In(other Value) (Value, error)

func (Color) Index 

func (c Color) Index(index Value) (Value, error)

func (Color) IndexAssign 

func (c Color) IndexAssign(index Value, val Value) error

func (Color) IndexRange 

func (c Color) IndexRange(lower, upper Value) (Value, error)

func (Color) Iterate 

func (c Color) Iterate(visit func(Value) error) error

func (Color) Mod 

func (c Color) Mod(other Value) (Value, error)

func (Color) Mul 

func (c Color) Mul(other Value) (Value, error)

func (Color) Neg 

func (c Color) Neg() (Value, error)

func (Color) Not 

func (c Color) Not() (Value, error)

func (Color) PrintStr 

func (c Color) PrintStr() string

func (Color) Property 

func (c Color) Property(ident string) (Value, error)

func (Color) RuntimeTypeName 

func (c Color) RuntimeTypeName() string

func (Color) Sub 

func (c Color) Sub(other Value) (Value, error)

type ColorHsv 

type ColorHsv struct {
	H lang.Number
	S lang.Number
	V lang.Number
}

func (ColorHsv) Add 

func (hsv ColorHsv) Add(other Value) (Value, error)

func (ColorHsv) At 

func (hsv ColorHsv) At(bitmap BitmapContext) (Value, error)

func (ColorHsv) Compare 

func (hsv ColorHsv) Compare(other Value) (Value, error)

func (ColorHsv) Concat 

func (hsv ColorHsv) Concat(val Value) (Value, error)

func (ColorHsv) Div 

func (hsv ColorHsv) Div(other Value) (Value, error)

func (ColorHsv) In 

func (hsv ColorHsv) In(other Value) (Value, error)

func (ColorHsv) Index 

func (hsv ColorHsv) Index(index Value) (Value, error)

func (ColorHsv) IndexAssign 

func (hsv ColorHsv) IndexAssign(index Value, val Value) error

func (ColorHsv) IndexRange 

func (hsv ColorHsv) IndexRange(lower, upper Value) (Value, error)

func (ColorHsv) Iterate 

func (hsv ColorHsv) Iterate(visit func(Value) error) error

func (ColorHsv) Mod 

func (hsv ColorHsv) Mod(other Value) (Value, error)

func (ColorHsv) Mul 

func (hsv ColorHsv) Mul(other Value) (Value, error)

func (ColorHsv) Neg 

func (hsv ColorHsv) Neg() (Value, error)

func (ColorHsv) Not 

func (hsv ColorHsv) Not() (Value, error)

func (ColorHsv) PrintStr 

func (hsv ColorHsv) PrintStr() string

func (ColorHsv) Property 

func (hsv ColorHsv) Property(ident string) (Value, error)

func (ColorHsv) RuntimeTypeName 

func (hsv ColorHsv) RuntimeTypeName() string

func (ColorHsv) Sub 

func (hsv ColorHsv) Sub(other Value) (Value, error)

type Function 

type Function struct {
	ParameterNames []string
	Body           []parser.Statement
	// contains filtered or unexported fields
}

func (Function) Add 

func (f Function) Add(other Value) (Value, error)

func (Function) At 

func (f Function) At(bitmap BitmapContext) (Value, error)

func (Function) Compare 

func (f Function) Compare(other Value) (Value, error)

func (Function) Concat 

func (f Function) Concat(val Value) (Value, error)

func (Function) Div 

func (f Function) Div(other Value) (Value, error)

func (Function) In 

func (f Function) In(other Value) (Value, error)

func (Function) Index 

func (f Function) Index(index Value) (Value, error)

func (Function) IndexAssign 

func (f Function) IndexAssign(index Value, val Value) error

func (Function) IndexRange 

func (f Function) IndexRange(lower, upper Value) (Value, error)

func (Function) Iterate 

func (f Function) Iterate(visit func(Value) error) error

func (Function) Mod 

func (f Function) Mod(other Value) (Value, error)

func (Function) Mul 

func (f Function) Mul(other Value) (Value, error)

func (Function) Neg 

func (f Function) Neg() (Value, error)

func (Function) Not 

func (f Function) Not() (Value, error)

func (Function) PrintStr 

func (f Function) PrintStr() string

func (Function) Property 

func (f Function) Property(ident string) (Value, error)

func (Function) RuntimeTypeName 

func (f Function) RuntimeTypeName() string

func (Function) Sub 

func (f Function) Sub(other Value) (Value, error)

type FunctionDecl 

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

type HashMap 

type HashMap map[Value]Value

func (HashMap) Add 

func (h HashMap) Add(other Value) (Value, error)

func (HashMap) At 

func (h HashMap) At(bitmap BitmapContext) (Value, error)

func (HashMap) Compare 

func (h HashMap) Compare(other Value) (Value, error)

func (HashMap) Concat 

func (h HashMap) Concat(val Value) (Value, error)

func (HashMap) Div 

func (h HashMap) Div(other Value) (Value, error)

func (HashMap) In 

func (h HashMap) In(other Value) (Value, error)

func (HashMap) Index 

func (h HashMap) Index(index Value) (Value, error)

func (HashMap) IndexAssign 

func (h HashMap) IndexAssign(index Value, val Value) error

func (HashMap) IndexRange 

func (h HashMap) IndexRange(lower, upper Value) (Value, error)

func (HashMap) Iterate 

func (h HashMap) Iterate(visit func(Value) error) error

func (HashMap) Mod 

func (h HashMap) Mod(other Value) (Value, error)

func (HashMap) Mul 

func (h HashMap) Mul(other Value) (Value, error)

func (HashMap) Neg 

func (h HashMap) Neg() (Value, error)

func (HashMap) Not 

func (h HashMap) Not() (Value, error)

func (HashMap) PrintStr 

func (h HashMap) PrintStr() string

func (HashMap) Property 

func (h HashMap) Property(ident string) (Value, error)

func (HashMap) RuntimeTypeName 

func (h HashMap) RuntimeTypeName() string

func (HashMap) Sub 

func (h HashMap) Sub(other Value) (Value, error)

type Kernel 

type Kernel struct {
	Width  int
	Height int
	Values []lang.Number
}

func (Kernel) Add 

func (k Kernel) Add(other Value) (Value, error)

func (Kernel) At 

func (k Kernel) At(bitmap BitmapContext) (Value, error)

func (Kernel) Compare 

func (k Kernel) Compare(other Value) (Value, error)

func (Kernel) Concat 

func (k Kernel) Concat(val Value) (Value, error)

func (Kernel) Div 

func (k Kernel) Div(other Value) (Value, error)

func (Kernel) In 

func (k Kernel) In(other Value) (Value, error)

func (Kernel) Index 

func (k Kernel) Index(index Value) (Value, error)

func (Kernel) IndexAssign 

func (k Kernel) IndexAssign(index Value, val Value) error

func (Kernel) IndexRange 

func (k Kernel) IndexRange(lower, upper Value) (Value, error)

func (Kernel) Iterate 

func (k Kernel) Iterate(visit func(Value) error) error

func (Kernel) Mod 

func (k Kernel) Mod(other Value) (Value, error)

func (Kernel) Mul 

func (k Kernel) Mul(other Value) (Value, error)

func (Kernel) Neg 

func (k Kernel) Neg() (Value, error)

func (Kernel) Not 

func (k Kernel) Not() (Value, error)

func (Kernel) PrintStr 

func (k Kernel) PrintStr() string

func (Kernel) Property 

func (k Kernel) Property(ident string) (Value, error)

func (Kernel) RuntimeTypeName 

func (k Kernel) RuntimeTypeName() string

func (Kernel) Sub 

func (k Kernel) Sub(other Value) (Value, error)

type Line 

type Line struct {
	Point1 Point
	Point2 Point
}

func (Line) Add 

func (l Line) Add(other Value) (Value, error)

func (Line) At 

func (l Line) At(bitmap BitmapContext) (Value, error)

func (Line) Compare 

func (l Line) Compare(other Value) (Value, error)

func (Line) Concat 

func (l Line) Concat(val Value) (Value, error)

func (Line) Div 

func (l Line) Div(other Value) (Value, error)

func (Line) In 

func (l Line) In(other Value) (Value, error)

func (Line) Index 

func (l Line) Index(index Value) (Value, error)

func (Line) IndexAssign 

func (l Line) IndexAssign(index Value, val Value) error

func (Line) IndexRange 

func (l Line) IndexRange(lower, upper Value) (Value, error)

func (Line) Iterate 

func (l Line) Iterate(visit func(Value) error) error

func (Line) Mod 

func (l Line) Mod(other Value) (Value, error)

func (Line) Mul 

func (l Line) Mul(other Value) (Value, error)

func (Line) Neg 

func (l Line) Neg() (Value, error)

func (Line) Not 

func (l Line) Not() (Value, error)

func (Line) PrintStr 

func (l Line) PrintStr() string

func (Line) Property 

func (l Line) Property(ident string) (Value, error)

func (Line) RuntimeTypeName 

func (l Line) RuntimeTypeName() string

func (Line) Sub 

func (l Line) Sub(other Value) (Value, error)

type List 

type List struct {
	Elements []Value
}

func (List) Add 

func (l List) Add(other Value) (Value, error)

func (List) At 

func (l List) At(bitmap BitmapContext) (Value, error)

func (List) Compare 

func (l List) Compare(other Value) (Value, error)

func (List) Concat 

func (l List) Concat(val Value) (Value, error)

func (List) Div 

func (l List) Div(other Value) (Value, error)

func (List) In 

func (l List) In(other Value) (Value, error)

func (List) Index 

func (l List) Index(index Value) (Value, error)

func (List) IndexAssign 

func (l List) IndexAssign(index Value, val Value) error

func (List) IndexRange 

func (l List) IndexRange(lower, upper Value) (Value, error)

func (List) Iterate 

func (l List) Iterate(visit func(Value) error) error

func (List) Mod 

func (l List) Mod(other Value) (Value, error)

func (List) Mul 

func (l List) Mul(other Value) (Value, error)

func (List) Neg 

func (l List) Neg() (Value, error)

func (List) Not 

func (l List) Not() (Value, error)

func (List) PrintStr 

func (l List) PrintStr() string

func (List) Property 

func (l List) Property(ident string) (Value, error)

func (List) RuntimeTypeName 

func (l List) RuntimeTypeName() string

func (List) Sub 

func (l List) Sub(other Value) (Value, error)

type Nilval 

type Nilval lang.Nil

func (Nilval) Add 

func (n Nilval) Add(other Value) (Value, error)

func (Nilval) At 

func (n Nilval) At(bitmap BitmapContext) (Value, error)

func (Nilval) Compare 

func (n Nilval) Compare(other Value) (Value, error)

func (Nilval) Concat 

func (n Nilval) Concat(val Value) (Value, error)

func (Nilval) Div 

func (n Nilval) Div(other Value) (Value, error)

func (Nilval) In 

func (n Nilval) In(other Value) (Value, error)

func (Nilval) Index 

func (n Nilval) Index(index Value) (Value, error)

func (Nilval) IndexAssign 

func (n Nilval) IndexAssign(index Value, val Value) error

func (Nilval) IndexRange 

func (n Nilval) IndexRange(lower, upper Value) (Value, error)

func (Nilval) Iterate 

func (n Nilval) Iterate(visit func(Value) error) error

func (Nilval) Mod 

func (n Nilval) Mod(other Value) (Value, error)

func (Nilval) Mul 

func (n Nilval) Mul(other Value) (Value, error)

func (Nilval) Neg 

func (n Nilval) Neg() (Value, error)

func (Nilval) Not 

func (n Nilval) Not() (Value, error)

func (Nilval) PrintStr 

func (n Nilval) PrintStr() string

func (Nilval) Property 

func (n Nilval) Property(ident string) (Value, error)

func (Nilval) RuntimeTypeName 

func (n Nilval) RuntimeTypeName() string

func (Nilval) Sub 

func (n Nilval) Sub(other Value) (Value, error)

type Number 

type Number lang.Number

func (Number) Add 

func (n Number) Add(other Value) (Value, error)

func (Number) At 

func (n Number) At(bitmap BitmapContext) (Value, error)

func (Number) Compare 

func (n Number) Compare(other Value) (Value, error)

func (Number) Concat 

func (n Number) Concat(val Value) (Value, error)

func (Number) Div 

func (n Number) Div(other Value) (Value, error)

func (Number) In 

func (n Number) In(other Value) (Value, error)

func (Number) Index 

func (n Number) Index(index Value) (Value, error)

func (Number) IndexAssign 

func (n Number) IndexAssign(index Value, val Value) error

func (Number) IndexRange 

func (n Number) IndexRange(lower, upper Value) (Value, error)

func (Number) Iterate 

func (n Number) Iterate(visit func(Value) error) error

func (Number) Mod 

func (n Number) Mod(other Value) (Value, error)

func (Number) Mul 

func (n Number) Mul(other Value) (Value, error)

func (Number) Neg 

func (n Number) Neg() (Value, error)

func (Number) Not 

func (n Number) Not() (Value, error)

func (Number) PrintStr 

func (n Number) PrintStr() string

func (Number) Property 

func (n Number) Property(ident string) (Value, error)

func (Number) RuntimeTypeName 

func (n Number) RuntimeTypeName() string

func (Number) Sub 

func (n Number) Sub(other Value) (Value, error)

type Point 

type Point image.Point

func (Point) Add 

func (p Point) Add(other Value) (Value, error)

func (Point) At 

func (p Point) At(bitmap BitmapContext) (Value, error)

func (Point) Compare 

func (p Point) Compare(other Value) (Value, error)

func (Point) Concat 

func (p Point) Concat(val Value) (Value, error)

func (Point) Div 

func (p Point) Div(other Value) (Value, error)

func (Point) In 

func (p Point) In(other Value) (Value, error)

func (Point) Index 

func (p Point) Index(index Value) (Value, error)

func (Point) IndexAssign 

func (p Point) IndexAssign(index Value, val Value) error

func (Point) IndexRange 

func (p Point) IndexRange(lower, upper Value) (Value, error)

func (Point) Iterate 

func (p Point) Iterate(visit func(Value) error) error

func (Point) Mod 

func (p Point) Mod(other Value) (Value, error)

func (Point) Mul 

func (p Point) Mul(other Value) (Value, error)

func (Point) Neg 

func (p Point) Neg() (Value, error)

func (Point) Not 

func (p Point) Not() (Value, error)

func (Point) PrintStr 

func (p Point) PrintStr() string

func (Point) Property 

func (p Point) Property(ident string) (Value, error)

func (Point) RuntimeTypeName 

func (p Point) RuntimeTypeName() string

func (Point) Sub 

func (p Point) Sub(other Value) (Value, error)

type Polygon 

type Polygon struct {
	Vertices []Point
}

func (Polygon) Add 

func (p Polygon) Add(other Value) (Value, error)

func (Polygon) At 

func (p Polygon) At(bitmap BitmapContext) (Value, error)

func (Polygon) Compare 

func (p Polygon) Compare(other Value) (Value, error)

func (Polygon) Concat 

func (p Polygon) Concat(val Value) (Value, error)

func (Polygon) Div 

func (p Polygon) Div(other Value) (Value, error)

func (Polygon) In 

func (p Polygon) In(other Value) (Value, error)

func (Polygon) Index 

func (p Polygon) Index(index Value) (Value, error)

func (Polygon) IndexAssign 

func (p Polygon) IndexAssign(index Value, val Value) error

func (Polygon) IndexRange 

func (p Polygon) IndexRange(lower, upper Value) (Value, error)

func (Polygon) Iterate 

func (p Polygon) Iterate(visit func(Value) error) error

func (Polygon) Mod 

func (p Polygon) Mod(other Value) (Value, error)

func (Polygon) Mul 

func (p Polygon) Mul(other Value) (Value, error)

func (Polygon) Neg 

func (p Polygon) Neg() (Value, error)

func (Polygon) Not 

func (p Polygon) Not() (Value, error)

func (Polygon) PrintStr 

func (p Polygon) PrintStr() string

func (Polygon) Property 

func (p Polygon) Property(ident string) (Value, error)

func (Polygon) RuntimeTypeName 

func (p Polygon) RuntimeTypeName() string

func (Polygon) Sub 

func (p Polygon) Sub(other Value) (Value, error)

type Rect 

type Rect image.Rectangle

func (Rect) Add 

func (rc Rect) Add(other Value) (Value, error)

func (Rect) At 

func (rc Rect) At(bitmap BitmapContext) (Value, error)

func (Rect) Compare 

func (rc Rect) Compare(other Value) (Value, error)

func (Rect) Concat 

func (rc Rect) Concat(val Value) (Value, error)

func (Rect) Div 

func (rc Rect) Div(other Value) (Value, error)

func (Rect) In 

func (rc Rect) In(other Value) (Value, error)

func (Rect) Index 

func (rc Rect) Index(index Value) (Value, error)

func (Rect) IndexAssign 

func (rc Rect) IndexAssign(index Value, val Value) error

func (Rect) IndexRange 

func (rc Rect) IndexRange(lower, upper Value) (Value, error)

func (Rect) Iterate 

func (rc Rect) Iterate(visit func(Value) error) error

func (Rect) Mod 

func (rc Rect) Mod(other Value) (Value, error)

func (Rect) Mul 

func (rc Rect) Mul(other Value) (Value, error)

func (Rect) Neg 

func (rc Rect) Neg() (Value, error)

func (Rect) Not 

func (rc Rect) Not() (Value, error)

func (Rect) PrintStr 

func (rc Rect) PrintStr() string

func (Rect) Property 

func (rc Rect) Property(ident string) (Value, error)

func (Rect) RuntimeTypeName 

func (rc Rect) RuntimeTypeName() string

func (Rect) Sub 

func (rc Rect) Sub(other Value) (Value, error)

type Str 

type Str lang.Str

func (Str) Add 

func (s Str) Add(other Value) (Value, error)

func (Str) At 

func (s Str) At(bitmap BitmapContext) (Value, error)

func (Str) Compare 

func (s Str) Compare(other Value) (Value, error)

func (Str) Concat 

func (s Str) Concat(val Value) (Value, error)

func (Str) Div 

func (s Str) Div(other Value) (Value, error)

func (Str) In 

func (s Str) In(other Value) (Value, error)

func (Str) Index 

func (s Str) Index(index Value) (Value, error)

func (Str) IndexAssign 

func (s Str) IndexAssign(index Value, val Value) error

func (Str) IndexRange 

func (s Str) IndexRange(lower, upper Value) (Value, error)

func (Str) Iterate 

func (s Str) Iterate(visit func(Value) error) error

func (Str) Mod 

func (s Str) Mod(other Value) (Value, error)

func (Str) Mul 

func (s Str) Mul(other Value) (Value, error)

func (Str) Neg 

func (s Str) Neg() (Value, error)

func (Str) Not 

func (s Str) Not() (Value, error)

func (Str) PrintStr 

func (s Str) PrintStr() string

func (Str) Property 

func (s Str) Property(ident string) (Value, error)

func (Str) RuntimeTypeName 

func (s Str) RuntimeTypeName() string

func (Str) Sub 

func (s Str) Sub(other Value) (Value, error)

type Value 

type Value interface {
	Compare(other Value) (Value, error)
	Add(other Value) (Value, error)
	Sub(other Value) (Value, error)
	Mul(other Value) (Value, error)
	Div(other Value) (Value, error)
	Mod(other Value) (Value, error)
	In(other Value) (Value, error)
	Neg() (Value, error)
	Not() (Value, error)
	At(bitmap BitmapContext) (Value, error)
	Property(ident string) (Value, error)
	PrintStr() string
	Iterate(visit func(Value) error) error
	Index(index Value) (Value, error)
	IndexRange(lower, upper Value) (Value, error)
	IndexAssign(index Value, val Value) error
	RuntimeTypeName() string
	Concat(val Value) (Value, error)
}

Value represents a ylang value at runtime

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