eval

package

v0.0.0-...-af76a4e Latest Latest Go to latest Published: Apr 8, 2019 License: MIT Imports: 5 Imported by: 0

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Valid go.mod file
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ghproxy-9d2.pages.dev/skatsuta/monkey-interpreter

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Documentation ¶

Index ¶

Constants
Variables
func DefineMacros(program *ast.Program, env object.Environment)
func Eval(node ast.Node, env object.Environment) object.Object
func ExpandMacros(program ast.Node, env object.Environment) ast.Node

Constants ¶

View Source

const (
	// FuncNameQuote is a name for quote function.
	FuncNameQuote = "quote"
	// FuncNameUnquote is a name for unquote function.
	FuncNameUnquote = "unquote"
)

Variables ¶

View Source

var (
	// NilValue represents a value of nil reference.
	NilValue = &object.Nil{}
	// TrueValue represents a value of true literals.
	TrueValue = &object.Boolean{Value: true}
	// FalseValue represents a value of false literals.
	FalseValue = &object.Boolean{Value: false}
)

Functions ¶

func DefineMacros ¶

func DefineMacros(program *ast.Program, env object.Environment)

DefineMacros finds macro definitions in the program, saves them to a given environment and removes them from the AST.

func Eval ¶

func Eval(node ast.Node, env object.Environment) object.Object

Eval evaluates the given node and returns an evaluated object.

func ExpandMacros ¶

func ExpandMacros(program ast.Node, env object.Environment) ast.Node

ExpandMacros expands defined macros and replaces AST nodes with the result of macro expansion.

Types ¶

This section is empty.

Source Files ¶

builtin.go
eval.go
macro.go
quote.go

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