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main.go
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main.go
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package main
import (
"bufio"
"fmt"
"os"
"time"
"github.com/dece2183/hexowl/builtin"
"github.com/dece2183/hexowl/operators"
"github.com/dece2183/hexowl/utils"
)
func main() {
builtin.FuncsInit()
var words []utils.Word
stdreader := bufio.NewReader(os.Stdin)
for {
words = promt(stdreader)
if len(words) > 0 {
calcBeginTime := time.Now()
err := calculate(words)
calcTime := time.Since(calcBeginTime)
if err != nil {
fmt.Printf("\n\tError occurred: %s\n\n", err)
} else {
fmt.Printf("\n\tTime:\t%d ms\r\n\n", calcTime.Milliseconds())
}
}
}
}
func promt(reader *bufio.Reader) []utils.Word {
// return utils.ParsePromt("abs(x) -> sqrt(x*x)")
var input string
fmt.Printf(">: ")
input, _ = reader.ReadString('\n')
return utils.ParsePromt(input)
}
func calculate(words []utils.Word) error {
operator, err := operators.Generate(words, nil)
if err != nil {
return err
}
val, err := operators.Calculate(operator)
if err != nil {
return err
}
if val != nil {
switch v := val.(type) {
case string:
fmt.Printf("\n\t%s\r\n", v)
case bool:
fmt.Printf("\n\tResult:\t%v\r\n", v)
default:
fmt.Printf("\n\tResult:\t%v\r\n", val)
fmt.Printf("\t\t0x%X\r\n", utils.ToNumber[uint64](val))
fmt.Printf("\t\t0b%b\r\n", utils.ToNumber[uint64](val))
}
}
return nil
}