diff options
| author | Patrick Walton <[email protected]> | 2010-12-07 10:38:42 -0800 |
|---|---|---|
| committer | Patrick Walton <[email protected]> | 2010-12-07 10:38:42 -0800 |
| commit | 15a614acb4dcb94181609add10bc58a4156d4d4d (patch) | |
| tree | 27c5fc2d3052e30a645aeff0a558a04216953119 | |
| parent | Un-XFAIL deref.rs and large-records.rs. (diff) | |
| download | rust-15a614acb4dcb94181609add10bc58a4156d4d4d.tar.xz rust-15a614acb4dcb94181609add10bc58a4156d4d4d.zip | |
rustc: Implement is_lval
| -rw-r--r-- | src/comp/middle/typeck.rs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/comp/middle/typeck.rs b/src/comp/middle/typeck.rs index 9353204f..9811af9e 100644 --- a/src/comp/middle/typeck.rs +++ b/src/comp/middle/typeck.rs @@ -535,6 +535,15 @@ fn field_idx(session.session sess, &span sp, fail; } +fn is_lval(@ast.expr expr) -> bool { + alt (expr.node) { + case (ast.expr_field(_,_,_)) { ret true; } + case (ast.expr_index(_,_,_)) { ret true; } + case (ast.expr_name(_,_,_)) { ret true; } + case (_) { ret false; } + } +} + // Type utilities // FIXME: remove me when == works on these tags. |