aboutsummaryrefslogtreecommitdiff
path: root/gcc/rust/expand/rust-macro-invoc-lexer.cc
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/rust/expand/rust-macro-invoc-lexer.cc')
-rw-r--r--gcc/rust/expand/rust-macro-invoc-lexer.cc14
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/rust/expand/rust-macro-invoc-lexer.cc b/gcc/rust/expand/rust-macro-invoc-lexer.cc
index 8a43d29..321f0f9 100644
--- a/gcc/rust/expand/rust-macro-invoc-lexer.cc
+++ b/gcc/rust/expand/rust-macro-invoc-lexer.cc
@@ -26,4 +26,18 @@ MacroInvocLexer::split_current_token (TokenId new_left __attribute__ ((unused)),
// FIXME
gcc_unreachable ();
}
+
+std::vector<std::unique_ptr<AST::Token>>
+MacroInvocLexer::get_token_slice (size_t start_idx, size_t end_idx) const
+{
+ std::vector<std::unique_ptr<AST::Token>> slice;
+
+ rust_assert (end_idx < token_stream.size ());
+
+ for (size_t i = start_idx; i < end_idx; i++)
+ slice.emplace_back (token_stream[i]->clone_token ());
+
+ return slice;
+}
+
} // namespace Rust