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authorLindsey Kuper <[email protected]>2011-05-13 11:00:26 -0700
committerGraydon Hoare <[email protected]>2011-05-13 17:35:13 -0700
commit814b17352c5b5267e29f73a6ddf93f97030ac62c (patch)
tree128555c6e8bc6c13c19a576aa76a064ac51a9aff /src/comp/front/parser.rs
parentMore work toward anonymous objects. (diff)
downloadrust-814b17352c5b5267e29f73a6ddf93f97030ac62c.tar.xz
rust-814b17352c5b5267e29f73a6ddf93f97030ac62c.zip
Use new module namespace syntax.
Diffstat (limited to 'src/comp/front/parser.rs')
-rw-r--r--src/comp/front/parser.rs94
1 files changed, 43 insertions, 51 deletions
diff --git a/src/comp/front/parser.rs b/src/comp/front/parser.rs
index a02a2fa4..8eb6c398 100644
--- a/src/comp/front/parser.rs
+++ b/src/comp/front/parser.rs
@@ -773,58 +773,21 @@ fn parse_bottom_expr(parser p) -> @ast::expr {
some(token::COMMA),
pf, hi, p);
ex = ast::expr_vec(es, mut, p.get_ann());
- } else if (eat_word(p, "rec")) {
- expect(p, token::LPAREN);
- auto fields = vec(parse_field(p));
-
- auto more = true;
- auto base = none[@ast::expr];
- while (more) {
- if (p.peek() == token::RPAREN) {
- hi = p.get_hi_pos();
- p.bump();
- more = false;
- } else if (eat_word(p, "with")) {
- base = some[@ast::expr](parse_expr(p));
- hi = p.get_hi_pos();
- expect(p, token::RPAREN);
- more = false;
- } else if (p.peek() == token::COMMA) {
- p.bump();
- fields += vec(parse_field(p));
- } else {
- unexpected(p, p.peek());
- }
- }
-
- ex = ast::expr_rec(fields, base, p.get_ann());
- }
- // Anonymous object
- else if (eat_word(p, "obj")) {
+ } else if (eat_word(p, "obj")) {
+ // Anonymous object
// FIXME: Can anonymous objects have ty params?
auto ty_params = parse_ty_params(p);
// Only make people type () if they're actually adding new fields
- let option.t[vec[ast::obj_field]] fields = none[vec[ast::obj_field]];
+ let option::t[vec[ast::obj_field]] fields =
+ none[vec[ast::obj_field]];
if (p.peek() == token::LPAREN) {
auto pf = parse_obj_field;
- expect(p, token::LBRACE);
- while (p.peek() != token::RBRACE) {
- alt (p.peek()) {
- case (token.WITH) {
- p.bump();
- with_obj = some[ast::ident](parse_ident(p));
- }
- case (_) {
- Vec.push[@ast::method](meths,
- parse_method(p));
- }
- }
- }
-
hi = p.get_hi_pos();
expect(p, token::LPAREN);
+
+
fields = some[vec[ast::obj_field]]
(parse_seq_to_end[ast::obj_field]
(token::RPAREN,
@@ -833,36 +796,65 @@ fn parse_bottom_expr(parser p) -> @ast::expr {
}
let vec[@ast::method] meths = vec();
- let option.t[ast::ident] with_obj = none[ast::ident];
+ let option::t[ast::ident] with_obj = none[ast::ident];
expect(p, token::LBRACE);
+
while (p.peek() != token::RBRACE) {
alt (p.peek()) {
case (token::WITH) {
+ p.bump();
with_obj = some[ast::ident](parse_ident(p));
}
case (_) {
- // fall through
+ _vec::push[@ast::method](meths,
+ parse_method(p));
}
}
}
+
hi = p.get_hi_pos();
expect(p, token::RBRACE);
- // fields and methods may be *additional* or *overriding* fields and
- // methods if there's a with_obj, or they may be the *only* fields and
- // methods if there's no with_obj.
+ // fields and methods may be *additional* or *overriding* fields
+ // and methods if there's a with_obj, or they may be the *only*
+ // fields and methods if there's no with_obj.
// We don't need to pull ".node" out of fields because it's not a
// "spanned".
let ast::anon_obj ob = rec(fields=fields,
- methods=meths,
- with_obj=with_obj);
+ methods=meths,
+ with_obj=with_obj);
auto odid = rec(ty=p.next_def_id(), ctor=p.next_def_id());
- ex = ast::expr_anon_obj(ob, ty_params, odid, ast::ann_none);
+ ex = ast::expr_anon_obj(ob, ty_params, odid, p.get_ann());
+
+ } else if (eat_word(p, "rec")) {
+ expect(p, token::LPAREN);
+ auto fields = vec(parse_field(p));
+
+ auto more = true;
+ auto base = none[@ast::expr];
+ while (more) {
+ if (p.peek() == token::RPAREN) {
+ hi = p.get_hi_pos();
+ p.bump();
+ more = false;
+ } else if (eat_word(p, "with")) {
+ base = some[@ast::expr](parse_expr(p));
+ hi = p.get_hi_pos();
+ expect(p, token::RPAREN);
+ more = false;
+ } else if (p.peek() == token::COMMA) {
+ p.bump();
+ fields += vec(parse_field(p));
+ } else {
+ unexpected(p, p.peek());
+ }
+ }
+ ex = ast::expr_rec(fields, base, p.get_ann());
} else if (eat_word(p, "bind")) {
auto e = parse_expr_res(p, RESTRICT_NO_CALL_EXPRS);
fn parse_expr_opt(parser p) -> option::t[@ast::expr] {