23 lines
		
	
	
		
			376 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			23 lines
		
	
	
		
			376 B
		
	
	
	
		
			Go
		
	
	
	
	
	
| package main
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| 
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| import (
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| 	"flag"
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| 	"go/ast"
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| 	"go/parser"
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| 	"go/token"
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| 	"log"
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| )
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| 
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| func main() {
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| 	var filename string
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| 	flag.StringVar(&filename, "f", "", "input file")
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| 	flag.Parse()
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| 
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| 	fset := token.NewFileSet()
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| 	f, err := parser.ParseFile(fset, filename, nil, parser.ParseComments)
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| 	if err != nil {
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| 		log.Fatalf("Failed to parse file %s: %s", filename, err)
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| 	}
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| 	ast.Print(fset, f)
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| }
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