bjoernager/rust
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librustc: Disallow "unsafe" for external functions

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This commit is contained in:
Patrick Walton 2013-08-02 14:30:00 -07:00
parent 887c656970
commit 9457ebee55
36 changed files with 1709 additions and 1829 deletions
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11
src/libsyntax/parse/parser.rs
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@ -84,7 +84,8 @@ use parse::obsolete::{ObsoletePurity, ObsoleteStaticMethod};
use parse::obsolete::{ObsoleteConstItem, ObsoleteFixedLengthVectorType};
use parse::obsolete::{ObsoleteNamedExternModule, ObsoleteMultipleLocalDecl};
use parse::obsolete::{ObsoleteMutWithMultipleBindings};
use parse::obsolete::{ObsoleteExternVisibility, ParserObsoleteMethods};
use parse::obsolete::{ObsoleteExternVisibility, ObsoleteUnsafeExternFn};
use parse::obsolete::{ParserObsoleteMethods};
use parse::token::{can_begin_expr, get_ident_interner, ident_to_str, is_ident};
use parse::token::{is_ident_or_path};
use parse::token::{is_plain_ident, INTERPOLATED, keywords, special_idents};
@ -4066,14 +4067,20 @@ impl Parser {
fn parse_item_foreign_fn(&self, attrs: ~[Attribute]) -> @foreign_item {
let lo = self.span.lo;
let vis = self.parse_visibility();
// Parse obsolete purity.
let purity = self.parse_fn_purity();
if purity != impure_fn {
self.obsolete(*self.last_span, ObsoleteUnsafeExternFn);
}
let (ident, generics) = self.parse_fn_header();
let decl = self.parse_fn_decl();
let hi = self.span.hi;
self.expect(&token::SEMI);
@ast::foreign_item { ident: ident,
attrs: attrs,
node: foreign_item_fn(decl, purity, generics),
node: foreign_item_fn(decl, generics),
id: self.get_id(),
span: mk_sp(lo, hi),
vis: vis }