evaluator

May 22, 2024

Changes in this version

+ var ErrAssert = errors.New("failed assertion")

+ type AssertInfo struct

+ FailFast bool

+ NoAssertionSummary bool

+ func (a *AssertInfo) FailCount() int

+ func (a *AssertInfo) Report(printFn func(string))

+ func (a *AssertInfo) SuccessCount() int

+ func (a *AssertInfo) TotalCount() int

+ type AssertionErrors []error

+ func (e AssertionErrors) Error() string

+ func (e AssertionErrors) Unwrap() []error

type Evaluator

+ AssertInfo AssertInfo

Apr 13, 2024

Changes in this version

+ var ErrIndexValue = fmt.Errorf("%w: index not an integer", ErrPanic)

Apr 12, 2024

Changes in this version

+ var ErrBadRepetition = fmt.Errorf("%w: bad repetition count", ErrPanic)

Oct 5, 2023

Changes in this version

+ var ErrAnyConversion = fmt.Errorf("%w: error converting any to type", ErrPanic)

+ var ErrAssignmentTarget = fmt.Errorf("%w: bad assignment target", ErrInternal)

+ var ErrBadArguments = fmt.Errorf("%w: bad arguments", ErrPanic)

+ var ErrBounds = fmt.Errorf("%w: index out of bounds", ErrPanic)

+ var ErrInternal = errors.New("internal error")

+ var ErrMapKey = fmt.Errorf("%w: no value for map key", ErrPanic)

+ var ErrOperation = fmt.Errorf("%w: unknown operation", ErrInternal)

+ var ErrPanic = errors.New("panic")

+ var ErrRangeType = fmt.Errorf("%w: bad range type", ErrInternal)

+ var ErrRangevalue = fmt.Errorf("%w: bad range value", ErrPanic)

+ var ErrSlice = fmt.Errorf("%w: bad slice", ErrPanic)

+ var ErrStopped = errors.New("stopped")

+ var ErrType = fmt.Errorf("%w: type error", ErrInternal)

+ var ErrUnknownNode = fmt.Errorf("%w: unknown AST node", ErrInternal)

+ var ErrVarNotSet = fmt.Errorf("%w: variable has not been set yet", ErrPanic)

+ func BuiltinDecls() parser.Builtins

+ type Error struct

+ Token *lexer.Token

+ func (e *Error) Error() string

+ func (e *Error) Unwrap() error

+ type Evaluator struct

+ EventHandlerNames []string

+ Stopped bool

+ func NewEvaluator(rt Runtime) *Evaluator

+ func (e *Evaluator) Eval(prog *parser.Program) error

+ func (e *Evaluator) HandleEvent(ev Event) error

+ func (e *Evaluator) Run(input string) error

+ type Event struct

+ Name string

+ Params []any

+ type ExitError int

+ func (e ExitError) Error() string

+ type GraphicsRuntime interface

+ Circle func(radius float64)

+ Clear func(color string)

+ Color func(s string)

+ Dash func(segments []float64)

+ Ellipse func(x, y, radiusX, radiusY, rotation, startAngle, endAngle float64)

+ Fill func(s string)

+ Font func(props map[string]any)

+ Gridn func(unit float64, color string)

+ Line func(x, y float64)

+ Linecap func(s string)

+ Move func(x, y float64)

+ Poly func(vertices [][]float64)

+ Rect func(dx, dy float64)

+ Stroke func(s string)

+ Text func(s string)

+ Width func(w float64)

+ type PanicError string

+ func (e *PanicError) Unwrap() error

+ func (e PanicError) Error() string

+ type Runtime interface

+ Cls func()

+ Print func(string)

+ Read func() string

+ Sleep func(dur time.Duration)

+ Yielder func() Yielder

+ type UnimplementedRuntime struct

+ func (rt *UnimplementedRuntime) Circle(float64)

+ func (rt *UnimplementedRuntime) Clear(string)

+ func (rt *UnimplementedRuntime) Cls()

+ func (rt *UnimplementedRuntime) Color(string)

+ func (rt *UnimplementedRuntime) Dash([]float64)

+ func (rt *UnimplementedRuntime) Ellipse(float64, float64, float64, float64, float64, float64, float64)

+ func (rt *UnimplementedRuntime) Fill(string)

+ func (rt *UnimplementedRuntime) Font(map[string]any)

+ func (rt *UnimplementedRuntime) Gridn(float64, string)

+ func (rt *UnimplementedRuntime) Line(float64, float64)

+ func (rt *UnimplementedRuntime) Linecap(string)

+ func (rt *UnimplementedRuntime) Move(float64, float64)

+ func (rt *UnimplementedRuntime) Poly([][]float64)

+ func (rt *UnimplementedRuntime) Print(s string)

+ func (rt *UnimplementedRuntime) Read() string

+ func (rt *UnimplementedRuntime) Rect(float64, float64)

+ func (rt *UnimplementedRuntime) Sleep(time.Duration)

+ func (rt *UnimplementedRuntime) Stroke(string)

+ func (rt *UnimplementedRuntime) Text(string)

+ func (rt *UnimplementedRuntime) Width(float64)

+ func (rt *UnimplementedRuntime) Yielder() Yielder

+ type Yielder interface

+ Yield func()