45 lines
825 B
Go
45 lines
825 B
Go
|
//go:build (js && wasm)
|
||
|
|
// +build js,wasm
|
||
|
|
package main
|
||
|
|
|
||
|
|
import (
|
||
|
|
"bytes"
|
||
|
|
"fmt"
|
||
|
|
"syscall/js"
|
||
|
|
"varaq/varaq"
|
||
|
|
)
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
done := make(chan struct{}, 0)
|
||
|
|
js.Global().Set("varaq", js.FuncOf(jsInterpret))
|
||
|
|
fmt.Println("varaq WASM init, Qa'pla!")
|
||
|
|
<-done
|
||
|
|
}
|
||
|
|
|
||
|
|
func jsInterpret(this js.Value, args []js.Value) interface{} {
|
||
|
|
if len(args) < 1 {
|
||
|
|
return js.ValueOf("no input")
|
||
|
|
}
|
||
|
|
input := args[0].String()
|
||
|
|
|
||
|
|
tokens, err := varaq.Tokenize(input)
|
||
|
|
if err != nil {
|
||
|
|
return js.ValueOf(fmt.Errorf("%v", err))
|
||
|
|
}
|
||
|
|
|
||
|
|
code := varaq.Parse(tokens)
|
||
|
|
buf := bytes.NewBufferString("")
|
||
|
|
|
||
|
|
strings := make([]string, len(args[1:]))
|
||
|
|
for i, jsVal := range args[1:] {
|
||
|
|
strings[i] = jsVal.String()
|
||
|
|
}
|
||
|
|
|
||
|
|
err = varaq.Interpret(code, strings, buf)
|
||
|
|
if err != nil {
|
||
|
|
return js.ValueOf(fmt.Errorf("%v", err))
|
||
|
|
}
|
||
|
|
|
||
|
|
return js.ValueOf(buf.String())
|
||
|
|
}
|