bjoernager/rust
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librustc: Remove copy expressions from the language.

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This commit is contained in:
Patrick Walton 2013-07-09 19:32:09 -07:00
parent 99b33f7219
commit 99d44d24c7
21 changed files with 13 additions and 103 deletions
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13
src/libsyntax/parse/parser.rs
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@ -22,7 +22,7 @@ use ast::{crate, crate_cfg, decl, decl_item};
use ast::{decl_local, default_blk, deref, div, enum_def, explicit_self};
use ast::{expr, expr_, expr_addr_of, expr_match, expr_again};
use ast::{expr_assign, expr_assign_op, expr_binary, expr_block};
use ast::{expr_break, expr_call, expr_cast, expr_copy, expr_do_body};
use ast::{expr_break, expr_call, expr_cast, expr_do_body};
use ast::{expr_field, expr_fn_block, expr_if, expr_index};
use ast::{expr_lit, expr_log, expr_loop, expr_loop_body, expr_mac};
use ast::{expr_method_call, expr_paren, expr_path, expr_repeat};
@ -84,7 +84,7 @@ use parse::obsolete::{ObsoletePurity, ObsoleteStaticMethod};
use parse::obsolete::{ObsoleteConstItem, ObsoleteFixedLengthVectorType};
use parse::obsolete::{ObsoleteNamedExternModule, ObsoleteMultipleLocalDecl};
use parse::obsolete::{ObsoleteMutWithMultipleBindings};
use parse::obsolete::{ObsoletePatternCopyKeyword, ParserObsoleteMethods};
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};
@ -1704,11 +1704,6 @@ impl Parser {
ex = expr_break(None);
}
hi = self.span.hi;
} else if self.eat_keyword(keywords::Copy) {
// COPY expression
let e = self.parse_expr();
ex = expr_copy(e);
hi = e.span.hi;
} else if *self.token == token::MOD_SEP ||
is_ident(&*self.token) && !self.is_keyword(keywords::True) &&
!self.is_keyword(keywords::False) {
@ -2799,10 +2794,6 @@ impl Parser {
// parse ref pat
let mutbl = self.parse_mutability();
pat = self.parse_pat_ident(bind_by_ref(mutbl));
} else if self.eat_keyword(keywords::Copy) {
// parse copy pat
self.obsolete(*self.span, ObsoletePatternCopyKeyword);
pat = self.parse_pat_ident(bind_infer);
} else {
let can_be_enum_or_struct = do self.look_ahead(1) |t| {
match *t {