52 lines
778 B
Go
52 lines
778 B
Go
package main
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import (
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"flag"
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"fmt"
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"os"
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"strings"
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)
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var fileName string
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func init() {
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flag.StringVar(&fileName, "f", "", "ast file to generate from")
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}
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func main() {
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flag.Parse()
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bs, err := os.ReadFile(fileName)
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tokens, errs := lex(string(bs))
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if len(errs) > 0 {
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for _, err := range errs {
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fmt.Printf("%s\n", err.Error())
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}
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os.Exit(1)
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}
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ast, err := parse(tokens)
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if err != nil {
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fmt.Printf("%s\n", err.Error())
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os.Exit(1)
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}
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name, output, err := transpile(ast)
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if err != nil {
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fmt.Printf("%s\n", err.Error())
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os.Exit(1)
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}
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f, err := os.Create(strings.ToLower(name) + ".go")
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if err != nil {
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fmt.Printf("%s\n", err.Error())
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os.Exit(1)
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}
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_, err = f.Write(output)
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if err != nil {
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fmt.Printf("%s\n", err.Error())
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os.Exit(1)
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}
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}
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