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| author | Brian Anderson <banderson@mozilla.com> | 2012-01-18 18:52:09 -0800 |
|---|---|---|
| committer | Brian Anderson <banderson@mozilla.com> | 2012-01-18 19:59:24 -0800 |
| commit | 3ebf7b42bd930de73f376dd1b3f2060e00b0fe6d (patch) | |
| tree | 6931b9030867b7c0258e6302ead93b4a71a23bac /src/comp/syntax/parse | |
| parent | 20b8509594a8acd5dd68d7acb6da94029deed7fb (diff) | |
| download | rust-3ebf7b42bd930de73f376dd1b3f2060e00b0fe6d.tar.gz rust-3ebf7b42bd930de73f376dd1b3f2060e00b0fe6d.zip | |
rustc: Assert that the parser doesn't assign node id 0
It is reserved for indicating the crate, but doesn't exist in the AST
Diffstat (limited to 'src/comp/syntax/parse')
| -rw-r--r-- | src/comp/syntax/parse/parser.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/comp/syntax/parse/parser.rs b/src/comp/syntax/parse/parser.rs index 4a4b22c3e12..174851c4fcb 100644 --- a/src/comp/syntax/parse/parser.rs +++ b/src/comp/syntax/parse/parser.rs @@ -31,6 +31,8 @@ type parse_sess = @{ fn next_node_id(sess: parse_sess) -> node_id { let rv = sess.next_id; sess.next_id += 1; + // ID 0 is reserved for the crate and doesn't actually exist in the AST + assert rv != 0; ret rv; } |