evaluator

package

v0.0.2 Latest Latest Go to latest Published: Dec 21, 2020 License: MIT Imports: 7 Imported by: 1

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var (
	ErrDivisionByZero = errors.New("decimal division by zero")
)

errors

This section is empty.

type Evaluator struct {
	Env *environment.Environment
}

Evaluator #

func New(env *environment.Environment) *Evaluator

New Evaluator

func (eval *Evaluator) Run(expression expr.Expr) (interface{}, error)

Run the evaluator

func (eval *Evaluator) VisitBinaryExpr(binaryExpr *expr.Binary) (interface{}, error)

VisitBinaryExpr #

func (eval *Evaluator) VisitFunctionCall(functionCall *expr.FunctionCall) (interface{}, error)

VisitFunctionCall #

func (eval *Evaluator) VisitGroupExpr(groupExpr *expr.Group) (interface{}, error)

VisitGroupExpr #

func (eval *Evaluator) VisitLiteralExpr(literalExpression *expr.Literal) (interface{}, error)

VisitLiteralExpr #

func (eval *Evaluator) VisitLogicalExpr(logicalExpr *expr.Logical) (interface{}, error)

VisitLogicalExpr #

func (eval *Evaluator) VisitTernary(ternaryExpr *expr.Ternary) (interface{}, error)

VisitTernary #

func (eval *Evaluator) VisitUnaryExpr(unaryExpr *expr.Unary) (interface{}, error)

VisitUnaryExpr #

func (eval *Evaluator) VisitVariableExpr(variableExpr *expr.Variable) (interface{}, error)

VisitVariableExpr #

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datatype