27 lines
463 B
Go
27 lines
463 B
Go
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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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"code.jmug.me/jmug/interpreter-in-go/pkg/lexer"
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"code.jmug.me/jmug/interpreter-in-go/pkg/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.Fprint(out, PROMPT)
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if !scanner.Scan() {
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return
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}
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l := lexer.New(scanner.Text())
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for tok := l.NextToken(); tok.Type != token.EOF; tok = l.NextToken() {
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fmt.Fprintf(out, "%+v\n", tok)
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}
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}
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}
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