Import protobuf-2.14.0
* Add OWNERS and Android.bp
* add generated version.rs into out
Bug: 143953733
Test: make
Change-Id: Ib53a973b74679c4dd78e2de2fa54141e55048c17
diff --git a/src/rust.rs b/src/rust.rs
new file mode 100644
index 0000000..9d4995b
--- /dev/null
+++ b/src/rust.rs
@@ -0,0 +1,121 @@
+#[cfg_attr(rustfmt, rustfmt_skip)]
+static RUST_KEYWORDS: &'static [&'static str] = &[
+ "as",
+ "async",
+ "await",
+ "break",
+ "crate",
+ "dyn",
+ "else",
+ "enum",
+ "extern",
+ "false",
+ "fn",
+ "for",
+ "if",
+ "impl",
+ "in",
+ "let",
+ "loop",
+ "match",
+ "mod",
+ "move",
+ "mut",
+ "pub",
+ "ref",
+ "return",
+ "static",
+ "self",
+ "Self",
+ "struct",
+ "super",
+ "true",
+ "trait",
+ "type",
+ "unsafe",
+ "use",
+ "while",
+ "continue",
+ "box",
+ "const",
+ "where",
+ "virtual",
+ "proc",
+ "alignof",
+ "become",
+ "offsetof",
+ "priv",
+ "pure",
+ "sizeof",
+ "typeof",
+ "unsized",
+ "yield",
+ "do",
+ "abstract",
+ "final",
+ "override",
+ "macro",
+];
+
+pub fn is_rust_keyword(ident: &str) -> bool {
+ RUST_KEYWORDS.contains(&ident)
+}
+
+fn hex_digit(value: u32) -> char {
+ if value < 10 {
+ (b'0' + value as u8) as char
+ } else if value < 0x10 {
+ (b'a' + value as u8 - 10) as char
+ } else {
+ unreachable!()
+ }
+}
+
+pub fn quote_escape_str(s: &str) -> String {
+ let mut buf = String::new();
+ buf.push('"');
+ buf.extend(s.chars().flat_map(|c| c.escape_default()));
+ buf.push('"');
+ buf
+}
+
+pub fn quote_escape_bytes(bytes: &[u8]) -> String {
+ let mut buf = String::new();
+ buf.push('b');
+ buf.push('"');
+ for &b in bytes {
+ match b {
+ b'\n' => buf.push_str(r"\n"),
+ b'\r' => buf.push_str(r"\r"),
+ b'\t' => buf.push_str(r"\t"),
+ b'"' => buf.push_str("\\\""),
+ b'\\' => buf.push_str(r"\\"),
+ b'\x20'..=b'\x7e' => buf.push(b as char),
+ _ => {
+ buf.push_str(r"\x");
+ buf.push(hex_digit((b as u32) >> 4));
+ buf.push(hex_digit((b as u32) & 0x0f));
+ }
+ }
+ }
+ buf.push('"');
+ buf
+}
+
+#[cfg(test)]
+mod test {
+
+ use super::*;
+
+ #[test]
+ fn test_quote_escape_bytes() {
+ assert_eq!("b\"\"", quote_escape_bytes(b""));
+ assert_eq!("b\"xyZW\"", quote_escape_bytes(b"xyZW"));
+ assert_eq!("b\"aa\\\"bb\"", quote_escape_bytes(b"aa\"bb"));
+ assert_eq!("b\"aa\\r\\n\\tbb\"", quote_escape_bytes(b"aa\r\n\tbb"));
+ assert_eq!(
+ "b\"\\x00\\x01\\x12\\xfe\\xff\"",
+ quote_escape_bytes(b"\x00\x01\x12\xfe\xff")
+ );
+ }
+}