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dev: add script for printing AST of file

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Denis Isaev 2019-01-20 21:36:05 +03:00
parent 8d8ba245e1
commit 2b7ea844ab
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1 changed files with 22 additions and 0 deletions
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scripts/print_ast/main.go Normal file
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package main
import (
"flag"
"go/ast"
"go/parser"
"go/token"
"log"
)
func main() {
var filename string
flag.StringVar(&filename, "f", "", "input file")
flag.Parse()
fset := token.NewFileSet()
f, err := parser.ParseFile(fset, filename, nil, parser.ParseComments)
if err != nil {
log.Fatalf("Failed to parse file %s: %s", filename, err)
}
ast.Print(fset, f)
}