openpgp: Instead of using an ad-hoc parser, use a parser generator.

  - Instead of using an ad-hoc parser for recognizing OpenPGP
    messages, use lalrpop, an lr(1) parser generator, for recognizing
    OpenPGP messages.

1 files changed, 10 insertions, 0 deletions

diff --git a/openpgp/build.rs b/openpgp/build.rs
new file mode 100644
index 00000000..b18f693b
--- /dev/null
+++ b/openpgp/build.rs
@@ -0,0 +1,10 @@
+extern crate lalrpop;
+
+// Rerun if any of these files change:
+#[allow(dead_code)]
+const SOURCE: &'static str
+    = include_str!("src/message/grammar.lalrpop");
+
+fn main() {
+    lalrpop::process_root().unwrap();
+}