[gcc/devel/rust/master] parser: Add peek(n) method to parser

[Thomas Schwinge via Gcc-cvs]

https://gcc.gnu.org/g:38e3cffdbdee48cc4793948f1551b075672f6fdd

commit 38e3cffdbdee48cc4793948f1551b075672f6fdd
Author: Arthur Cohen <arthur.co...@embecosm.com>
Date:   Mon Feb 19 20:41:50 2024 +0100

    parser: Add peek(n) method to parser
    
    gcc/rust/ChangeLog:
    
            * parse/rust-parse.h: New method.

Diff:
---
 gcc/rust/parse/rust-parse.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gcc/rust/parse/rust-parse.h b/gcc/rust/parse/rust-parse.h
index 1614d19e4a5b..8c8bf96eb8d0 100644
--- a/gcc/rust/parse/rust-parse.h
+++ b/gcc/rust/parse/rust-parse.h
@@ -725,6 +725,7 @@ public:
   const ManagedTokenSource &get_token_source () const { return lexer; }
 
   const_TokenPtr peek_current_token () { return lexer.peek_token (0); }
+  const_TokenPtr peek (int n) { return lexer.peek_token (n); }
 
 private:
   // The token source (usually lexer) associated with the parser.