Anko is a scriptable interpreter written in Go.
(Picture licensed under CC BY-SA 3.0, photo by Ocdp)
package main
import (
"fmt"
"log"
"github.com/mattn/anko/env"
"github.com/mattn/anko/vm"
)
func main() {
e := env.NewEnv()
err := e.Define("println", fmt.Println)
if err != nil {
log.Fatalf("Define error: %v\n", err)
}
script := `
println("Hello World :)")
`
_, err = vm.Execute(e, nil, script)
if err != nil {
log.Fatalf("Execute error: %v\n", err)
}
// output: Hello World :)
}More examples are located in the GoDoc:
https://godoc.org/github.com/mattn/anko/vm
go get github.com/mattn/anko
go install github.com/mattn/anko
./anko script.ank
// declare variables
x = 1
y = x + 1
// print using outside the script defined println function
println(x + y) // 3
// if else statement
if x < 1 || y < 1 {
println(x)
} else if x < 1 && y < 1 {
println(y)
} else {
println(x + y)
}
// slice
a = []interface{1, 2, 3}
println(a) // [1 2 3]
println(a[0]) // 1
// map
a = map[interface]interface{"x": 1}
println(a) // map[x:1]
a.b = 2
a["c"] = 3
println(a["b"]) // 2
println(a.c) // 3
// struct
a = make(struct {
A int64,
B float64
})
a.A = 4
a.B = 5.5
println(a.A) // 4
println(a.B) // 5.5
// function
func a (x) {
println(x + 1)
}
a(5) // 6
The master branch language and API may change at any time.
To mitigate breaking changes, please use tagged branches. New tagged branches will be created for breaking changes.
Yasuhiro Matsumoto (a.k.a mattn)
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