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extend parser so that expressions that do not require semi-colons

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to be statements are not considered expressions in the tail position
This commit is contained in:
Niko Matsakis 2011-12-29 07:13:27 -08:00
parent 9e1dc703d2
commit de383bcfed
1 changed files with 2 additions and 2 deletions
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4
src/comp/syntax/parse/parser.rs
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@ -1621,8 +1621,8 @@ fn expr_requires_semi_to_be_stmt(e: @ast::expr) -> bool {
fn stmt_to_expr(stmt: @ast::stmt) -> option::t<@ast::expr> {
alt stmt.node {
ast::stmt_expr(e, _) { some(e) }
ast::stmt_decl(_, _) { none }
ast::stmt_expr(e, _) when expr_requires_semi_to_be_stmt(e) { some(e) }
_ { none }
}
}