英文:
Golang: statically finding all strings in code
问题
我想解析一个包并输出代码中的所有字符串。具体的用例是收集 SQL 字符串并通过 SQL 解析器运行它们，但这是一个单独的问题。
最好的方法是逐行解析吗？还是可能使用正则表达式或其他方法？我想象有些情况可能不太简单，比如多行字符串：
str := "This is
the full
string"
// 希望得到 > This is the full string
英文:
I would like to parse a package and output all of the strings in the code. The specific use case is to collect sql strings and run them through a sql parser, but that's a separate issue.
Is the best way to do this to just parse this line by line? Or is it possible to regex this or something? I imagine that some cases might be nontrivial, such as multiline strings:
str := "This is
the full
string"
// want > This is the full string
答案1
得分: 2
使用go/scanner包来扫描Go源代码中的字符串：
src, err := os.ReadFile(fname)
if err != nil {
// 处理错误
}
// 创建*token.File进行扫描。
fset := token.NewFileSet()
file := fset.AddFile(fname, fset.Base(), len(src))
var s scanner.Scanner
s.Init(file, src, nil, 0)
for {
pos, tok, lit := s.Scan()
if tok == token.EOF {
break
}
if tok == token.STRING {
s, _ := strconv.Unquote(lit)
fmt.Printf("%s: %s\n", fset.Position(pos), s)
}
}
https://go.dev/play/p/849QsbqVhho
英文:
Use the go/scanner package to scan for strings in Go source code:
src, err := os.ReadFile(fname)
if err != nil {
/// handle error
}
// Create *token.File to scan.
fset := token.NewFileSet()
file := fset.AddFile(fname, fset.Base(), len(src))
var s scanner.Scanner
s.Init(file, src, nil, 0)
for {
pos, tok, lit := s.Scan()
if tok == token.EOF {
break
}
if tok == token.STRING {
s, _ := strconv.Unquote(lit)
fmt.Printf("%s: %s\n", fset.Position(pos), s)
}
}
通过集体智慧和协作来改善编程学习和解决问题的方式。致力于成为全球开发者共同参与的知识库，让每个人都能够通过互相帮助和分享经验来进步。
评论