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| author | Tim Chevalier <chevalier@alum.wellesley.edu> | 2012-10-27 17:14:09 -0700 |
|---|---|---|
| committer | Tim Chevalier <chevalier@alum.wellesley.edu> | 2012-10-30 15:05:32 -0700 |
| commit | 62f98c8ff8179c9754718e62285b82b50dfcfe26 (patch) | |
| tree | c3db0a950f995408ea390f1b1952a24d2b982940 /src/libsyntax/ast.rs | |
| parent | 17a5d0f3a0a76e172777456cc0f5ed8318149e33 (diff) | |
| download | rust-62f98c8ff8179c9754718e62285b82b50dfcfe26.tar.gz rust-62f98c8ff8179c9754718e62285b82b50dfcfe26.zip | |
Preserve parenthesization in the AST
Maintain explicit "paren" nodes in the AST so we can pretty-print without having to guess where parens should go. We may revisit this in the future. r=graydon
Diffstat (limited to 'src/libsyntax/ast.rs')
| -rw-r--r-- | src/libsyntax/ast.rs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/libsyntax/ast.rs b/src/libsyntax/ast.rs index 60f22f1b844..a3e57716d17 100644 --- a/src/libsyntax/ast.rs +++ b/src/libsyntax/ast.rs @@ -744,7 +744,10 @@ enum expr_ { expr_struct(@path, ~[field], Option<@expr>), // A vector literal constructed from one repeated element. - expr_repeat(@expr /* element */, @expr /* count */, mutability) + expr_repeat(@expr /* element */, @expr /* count */, mutability), + + // No-op: used solely so we can pretty-print faithfully + expr_paren(@expr) } #[auto_serialize] |