js/src/frontend/smoosh/build.rs

   1 use jsparagus::stencil::opcode_info;
   2
   3 fn compare(name: &str, orig: &str, copied: &str) {
   4     if copied != orig {
   5         panic!(
   6             "{} is out of sync. \
   7                 It's possible that the bytecode generated by jsparagus is \
   8                 based on older opcodes. Please run \
   9                 update_stencil.py in jsparagus. \
  10                 You can disable this check by setting \
  11                 JS_SMOOSH_DISABLE_OPCODE_CHECK environment variable.",
  12             name
  13         );
  14     }
  15 }
  16
  17 fn main() {
  18     if std::env::var("JS_SMOOSH_DISABLE_OPCODE_CHECK").is_ok() {
  19         return;
  20     }
  21
  22     compare(
  23         "Opcodes.h",
  24         include_str!("../../vm/Opcodes.h"),
  25         opcode_info::get_opcodes_source(),
  26     );
  27 }