Add 'unexpected' fn to parser.

e04c2476 · Graydon Hoare · 8383b1c4 · e04c2476
隐藏空白更改
内联并排

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src/comp/front/parser.rs src/comp/front/parser.rs +6 -0

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--- a/src/comp/front/parser.rs
+++ b/src/comp/front/parser.rs
@@ -68,6 +68,12 @@ fn next_def_id() -> ast.def_id {
                     npos, npos, 0, crate, rdr);
 }

+impure fn unexpected(parser p, token.token t) {
+    let str s = "unexpected token: ";
+    s += token.to_str(t);
+    p.err(s);
+}
+
 impure fn expect(parser p, token.token t) {
    if (p.peek() == t) {
        p.bump();