bjoernager/rust
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Remove the '<->' operator from the language

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This commit is contained in:
Alex Crichton 2013-05-06 00:43:19 -04:00
parent 998fececd6
commit 63c7e2f991
18 changed files with 16 additions and 128 deletions
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10
src/libsyntax/parse/parser.rs
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@ -26,7 +26,7 @@ use ast::{expr_break, expr_call, expr_cast, expr_copy, 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};
use ast::{expr_ret, expr_swap, expr_struct, expr_tup, expr_unary};
use ast::{expr_ret, expr_struct, expr_tup, expr_unary};
use ast::{expr_vec, expr_vstore, expr_vstore_mut_box};
use ast::{expr_vstore_slice, expr_vstore_box};
use ast::{expr_vstore_mut_slice, expr_while, extern_fn, field, fn_decl};
@ -70,7 +70,7 @@ use parse::lexer::reader;
use parse::lexer::TokenAndSpan;
use parse::obsolete::{ObsoleteClassTraits};
use parse::obsolete::{ObsoleteLet, ObsoleteFieldTerminator};
use parse::obsolete::{ObsoleteMoveInit, ObsoleteBinaryMove};
use parse::obsolete::{ObsoleteMoveInit, ObsoleteBinaryMove, ObsoleteSwap};
use parse::obsolete::{ObsoleteSyntax, ObsoleteLowerCaseKindBounds};
use parse::obsolete::{ObsoleteUnsafeBlock, ObsoleteImplSyntax};
use parse::obsolete::{ObsoleteTraitBoundSeparator, ObsoleteMutOwnedPointer};
@ -1849,9 +1849,11 @@ pub impl Parser {
expr_break(None))
}
token::DARROW => {
self.obsolete(*self.span, ObsoleteSwap);
self.bump();
let rhs = self.parse_expr();
self.mk_expr(lo, rhs.span.hi, expr_swap(lhs, rhs))
// Ignore what we get, this is an error anyway
self.parse_expr();
self.mk_expr(lo, self.span.hi, expr_break(None))
}
_ => {
lhs