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make native functions markable as unsafe and incorporate that

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into the type check
This commit is contained in:
Niko Matsakis 2011-10-11 14:52:38 -07:00 • committed by Brian Anderson
parent 24b201fa48
commit 212707ce84
9 changed files with 30 additions and 16 deletions
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11
src/comp/syntax/parse/parser.rs
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@ -1972,11 +1972,11 @@ fn parse_item_native_type(p: parser, attrs: [ast::attribute]) ->
span: ast_util::mk_sp(t.lo, hi)};
}
fn parse_item_native_fn(p: parser, attrs: [ast::attribute]) ->
@ast::native_item {
fn parse_item_native_fn(p: parser, attrs: [ast::attribute],
purity: ast::purity) -> @ast::native_item {
let lo = p.get_last_lo_pos();
let t = parse_fn_header(p);
let decl = parse_fn_decl(p, ast::impure_fn, ast::il_normal);
let decl = parse_fn_decl(p, purity, ast::il_normal);
let link_name = none;
if p.peek() == token::EQ { p.bump(); link_name = some(parse_str(p)); }
let hi = p.get_hi_pos();
@ -1993,7 +1993,10 @@ fn parse_native_item(p: parser, attrs: [ast::attribute]) ->
if eat_word(p, "type") {
ret parse_item_native_type(p, attrs);
} else if eat_word(p, "fn") {
ret parse_item_native_fn(p, attrs);
ret parse_item_native_fn(p, attrs, ast::impure_fn);
} else if eat_word(p, "unsafe") {
expect_word(p, "fn");
ret parse_item_native_fn(p, attrs, ast::unsafe_fn);
} else { unexpected(p, p.peek()); }
}