31 lines
424 B
Go
31 lines
424 B
Go
package repl
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import (
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"bufio"
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"fmt"
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"io"
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"monkey/lexer"
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"monkey/token"
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)
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const PROMPT = ">> "
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func Start(in io.Reader, out io.Writer) {
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scanner := bufio.NewScanner(in)
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for {
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fmt.Printf(PROMPT)
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scanned := scanner.Scan()
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if !scanned {
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return
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}
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line := scanner.Text()
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l := lexer.New(line)
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for tok := l.NextToken(); tok.Type != token.EOF; tok = l.NextToken() {
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fmt.Printf("%+v\n", tok)
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}
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}
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}
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