File: 001_basic_s.re

package info (click to toggle)
re2c 4.4-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 51,512 kB
  • sloc: cpp: 34,160; ml: 8,494; sh: 5,311; makefile: 1,014; haskell: 611; python: 431; ansic: 234; javascript: 113
file content (23 lines) | stat: -rw-r--r-- 473 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
// re2swift $INPUT -o $OUTPUT --api generic -s

func lex(_ string: UnsafeBufferPointer<UInt8>) -> Bool {
  var cursor = 0
  /*!re2c
    re2c:yyfill:enable = 0;
    re2c:YYCTYPE = UInt8;
    re2c:YYPEEK = "string[cursor]";
    re2c:YYSKIP = "cursor += 1";

    [1-9][0-9]* { return true }
    *           { return false }
  */
}

@main struct Program {
  static func main() {
    let test: StaticString = "1234\0"
    test.withUTF8Buffer {
      assert(lex($0))
    }
  }
}