42 lines
645 B
Go
42 lines
645 B
Go
package main
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import (
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"bytes"
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"fmt"
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"os"
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"github.com/mediocregopher/ginger/gg"
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"github.com/mediocregopher/ginger/vm"
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)
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func main() {
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if len(os.Args) < 3 {
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fmt.Printf(`Usage: %s <operation source> "in = <value>"\n`, os.Args[0])
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return
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}
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opSrc := os.Args[1]
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inSrc := os.Args[2]
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inVal, err := gg.DecodeSingleValueFromLexer(
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gg.NewLexer(bytes.NewBufferString(inSrc + ";")),
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)
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if err != nil {
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panic(fmt.Sprintf("decoding input: %v", err))
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}
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res, err := vm.EvaluateSource(
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bytes.NewBufferString(opSrc),
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inVal,
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vm.GlobalScope,
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)
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if err != nil {
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panic(fmt.Sprintf("evaluating: %v", err))
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}
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fmt.Println(res)
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}
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