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rustc: Implement unary move. Closes #917.

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This commit is contained in:
Patrick Walton 2012-07-31 17:31:24 -07:00
parent c4bb8f8aaf
commit c88933d714
15 changed files with 48 additions and 24 deletions
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16
src/libsyntax/parse/parser.rs
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@ -31,12 +31,12 @@ import ast::{_mod, add, alt_check, alt_exhaustive, arg, arm, attribute,
expr_index, expr_lit, expr_log, expr_loop,
expr_loop_body, expr_mac, expr_move, expr_new, expr_path,
expr_rec, expr_ret, expr_swap, expr_struct, expr_tup, expr_unary,
expr_vec, expr_vstore, expr_while, extern_fn, field, fn_decl,
foreign_item, foreign_item_fn, foreign_mod, ident, impure_fn,
infer, init_assign, init_move, initializer, instance_var, item,
item_, item_class, item_const, item_enum, item_fn,
item_foreign_mod, item_impl, item_mac, item_mod, item_trait,
item_ty, lit, lit_, lit_bool, lit_float, lit_int,
expr_unary_move, expr_vec, expr_vstore, expr_while, extern_fn,
field, fn_decl, foreign_item, foreign_item_fn, foreign_mod,
ident, impure_fn, infer, init_assign, init_move, initializer,
instance_var, item, item_, item_class, item_const, item_enum,
item_fn, item_foreign_mod, item_impl, item_mac, item_mod,
item_trait, item_ty, lit, lit_, lit_bool, lit_float, lit_int,
lit_int_unsuffixed, lit_nil, lit_str, lit_uint, local, m_const,
m_imm, m_mutbl, mac_, mac_aq, mac_ellipsis,
mac_invoc, mac_invoc_tt, mac_var, matcher, match_nonterminal,
@ -854,6 +854,10 @@ class parser {
let e = self.parse_expr();
ex = expr_copy(e);
hi = e.span.hi;
} else if self.eat_keyword(~"move") {
let e = self.parse_expr();
ex = expr_unary_move(e);
hi = e.span.hi;
} else if self.token == token::MOD_SEP ||
is_ident(self.token) && !self.is_keyword(~"true") &&
!self.is_keyword(~"false") {