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func (*Scope) BoolExpression ¶

func (s *Scope) BoolExpression(exprStmt string) (*expr.Bool, error)

BoolExpression returns bool expression

func (*Scope) Compile ¶

func (s *Scope) Compile(expr string) (*exec.Executor, error)

Compile parses and compile simple golang expression into execution tree

func (*Scope) DefineEmbedVariable ¶

func (s *Scope) DefineEmbedVariable(name string, t reflect.Type) error

DefineEmbedVariable defines embeded variable

func (*Scope) DefineVariable ¶

func (s *Scope) DefineVariable(name string, fType reflect.Type) (*exec.Selector, error)

DefineVariable defines variables

func (*Scope) EmbedType ¶

func (s *Scope) EmbedType(name string, t reflect.Type)

EmbedType embeds supplied type

func (*Scope) Float64Expression ¶

func (s *Scope) Float64Expression(exprStmt string) (*expr.Float64, error)

Float64Expression returns float64 expression

func (*Scope) Function ¶

func (s *Scope) Function(expr string) (interface{}, error)

Function compile function

func (*Scope) IntExpression ¶

func (s *Scope) IntExpression(exprStmt string) (*expr.Int, error)

IntExpression returns an int expression

func (*Scope) Parse ¶

func (s *Scope) Parse(expr string) (ast.Stmt, error)

Parse returns an ast for the supploed expression

func (*Scope) RegisterFunc ¶

func (s *Scope) RegisterFunc(name string, fn interface{})

RegisterFunc register func

func (*Scope) RegisterNamedType ¶

func (s *Scope) RegisterNamedType(name string, t reflect.Type)

RegisterNamedType register named type

func (*Scope) RegisterType ¶

func (s *Scope) RegisterType(t reflect.Type) error

RegisterType register type

func (*Scope) ResolveSelector ¶

func (s *Scope) ResolveSelector(selector string) (*exec.Selector, error)

ResolveSelector returns existing or registerSelector selector to the scope

func (*Scope) Selector ¶

func (s *Scope) Selector(expr string) (*exec.Selector, error)

Selector returns a selector

func (*Scope) StringExpression ¶

func (s *Scope) StringExpression(exprStmt string) (*expr.String, error)

StringExpression returns string expression

func (*Scope) StringifyExpr ¶

func (s *Scope) StringifyExpr(expr ast.Expr) (string, error)

StringifyExpr returns sting representation of expression

func (*Scope) SubScope ¶

func (s *Scope) SubScope(options ...option.Option) *Scope

func (*Scope) UpdateVariable ¶

func (s *Scope) UpdateVariable(name string, fType reflect.Type) (*exec.Selector, error)

UpdateVariable updated variable type