55 lines
808 B
Go
55 lines
808 B
Go
package main
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import (
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"fmt"
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"log"
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"strings"
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"github.com/chzyer/readline"
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"github.com/hellerve/argos/eval"
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"github.com/hellerve/argos/parser"
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)
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func main() {
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rl, err := readline.New("argos> ")
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if err != nil {
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log.Fatal(err)
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}
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defer rl.Close()
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e := eval.ParentEnv()
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for {
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prompt, err := rl.Readline()
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if err != nil {
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return
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}
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parsed, err, unconsumed := parser.Parse(prompt)
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if err != nil {
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fmt.Println(err)
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continue
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}
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if len(unconsumed) != 0 {
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fmt.Println("Unconsumed input:", strings.Join(unconsumed, " "))
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continue
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}
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// TODO: how to avoid bindings on error?
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evald, err := eval.Eval(parsed, e)
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if err != nil {
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fmt.Println(err)
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continue
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}
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fmt.Println(evald.Pretty())
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}
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}
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