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Implement check-exprs, un-xfail 5 rustc tests.

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This commit is contained in:
Graydon Hoare 2010-10-22 15:37:42 -07:00
parent fc8b5155a8
commit 6d47d2abde
6 changed files with 64 additions and 3 deletions
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16
src/comp/front/parser.rs
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@ -690,6 +690,22 @@ io fn parse_stmt(parser p) -> @ast.stmt {
ret @spanned(lo, hi, ast.stmt_log(e));
}
case (token.CHECK) {
p.bump();
alt (p.peek()) {
case (token.LPAREN) {
auto e = parse_expr(p);
auto hi = p.get_span();
expect(p, token.SEMI);
ret @spanned(lo, hi, ast.stmt_check_expr(e));
}
case (_) {
p.get_session().unimpl("constraint-check stmt");
}
}
}
case (token.LET) {
auto decl = parse_let(p);
auto hi = p.get_span();