diff options
Diffstat (limited to 'src/libsyntax/parse/parser.rs')
| -rw-r--r-- | src/libsyntax/parse/parser.rs | 216 |
1 files changed, 105 insertions, 111 deletions
diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs index b8993520ae4..d3c39f4b246 100644 --- a/src/libsyntax/parse/parser.rs +++ b/src/libsyntax/parse/parser.rs @@ -86,7 +86,7 @@ use parse::obsolete::{ObsoletePurity, ObsoleteStaticMethod}; use parse::obsolete::{ObsoleteConstItem, ObsoleteFixedLengthVectorType}; use parse::obsolete::{ObsoleteNamedExternModule}; use parse::token::{can_begin_expr, is_ident, is_ident_or_path}; -use parse::token::{is_plain_ident, INTERPOLATED, special_idents, token_to_binop}; +use parse::token::{is_plain_ident, INTERPOLATED, keywords, special_idents, token_to_binop}; use parse::token; use parse::{new_sub_parser_from_file, next_node_id, ParseSess}; use opt_vec; @@ -234,9 +234,6 @@ pub fn Parser(sess: @mut ParseSess, tokens_consumed: @mut 0, restriction: @mut UNRESTRICTED, quote_depth: @mut 0, - keywords: token::keyword_table(), - strict_keywords: token::strict_keyword_table(), - reserved_keywords: token::reserved_keyword_table(), obsolete_set: @mut HashSet::new(), mod_path_stack: @mut ~[], } @@ -260,9 +257,6 @@ pub struct Parser { quote_depth: @mut uint, // not (yet) related to the quasiquoter reader: @reader, interner: @token::ident_interner, - keywords: HashSet<~str>, - strict_keywords: HashSet<~str>, - reserved_keywords: HashSet<~str>, /// The set of seen errors about obsolete syntax. Used to suppress /// extra detail when the same error is seen twice obsolete_set: @mut HashSet<ObsoleteSyntax>, @@ -340,10 +334,10 @@ pub impl Parser { // is this one of the keywords that signals a closure type? fn token_is_closure_keyword(&self, tok: &token::Token) -> bool { - self.token_is_keyword("pure", tok) || - self.token_is_keyword("unsafe", tok) || - self.token_is_keyword("once", tok) || - self.token_is_keyword("fn", tok) + token::is_keyword(keywords::Pure, tok) || + token::is_keyword(keywords::Unsafe, tok) || + token::is_keyword(keywords::Once, tok) || + token::is_keyword(keywords::Fn, tok) } fn token_is_lifetime(&self, tok: &token::Token) -> bool { @@ -380,7 +374,7 @@ pub impl Parser { let opt_abis = self.parse_opt_abis(); let abis = opt_abis.get_or_default(AbiSet::Rust()); let purity = self.parse_unsafety(); - self.expect_keyword("fn"); + self.expect_keyword(keywords::Fn); let (decl, lifetimes) = self.parse_ty_fn_decl(); return ty_bare_fn(@TyBareFn { abis: abis, @@ -416,7 +410,7 @@ pub impl Parser { let purity = self.parse_unsafety(); let onceness = parse_onceness(self); - self.expect_keyword("fn"); + self.expect_keyword(keywords::Fn); let bounds = self.parse_optional_ty_param_bounds(); if self.parse_fn_ty_sigil().is_some() { @@ -436,7 +430,7 @@ pub impl Parser { }); fn parse_onceness(this: &Parser) -> Onceness { - if this.eat_keyword("once") { + if this.eat_keyword(keywords::Once) { Once } else { Many @@ -446,10 +440,10 @@ pub impl Parser { // looks like this should be called parse_unsafety fn parse_unsafety(&self) -> purity { - if self.eat_keyword("pure") { + if self.eat_keyword(keywords::Pure) { self.obsolete(*self.last_span, ObsoletePurity); return impure_fn; - } else if self.eat_keyword("unsafe") { + } else if self.eat_keyword(keywords::Unsafe) { return unsafe_fn; } else { return impure_fn; @@ -704,7 +698,7 @@ pub impl Parser { // BORROWED POINTER self.bump(); self.parse_borrowed_pointee() - } else if self.eat_keyword("extern") { + } else if self.eat_keyword(keywords::Extern) { // EXTERN FUNCTION self.parse_ty_bare_fn() } else if self.token_is_closure_keyword(© *self.token) { @@ -828,7 +822,7 @@ pub impl Parser { let mut is_mutbl = false; let pat = if require_name || self.is_named_argument() { self.parse_arg_mode(); - is_mutbl = self.eat_keyword("mut"); + is_mutbl = self.eat_keyword(keywords::Mut); let pat = self.parse_pat(false); self.expect(&token::COLON); pat @@ -856,7 +850,7 @@ pub impl Parser { // parse an argument in a lambda header e.g. |arg, arg| fn parse_fn_block_arg(&self) -> arg_or_capture_item { self.parse_arg_mode(); - let is_mutbl = self.eat_keyword("mut"); + let is_mutbl = self.eat_keyword(keywords::Mut); let pat = self.parse_pat(false); let t = if self.eat(&token::COLON) { self.parse_ty(false) @@ -907,9 +901,9 @@ pub impl Parser { // matches lit = true | false | token_lit fn parse_lit(&self) -> lit { let lo = self.span.lo; - let lit = if self.eat_keyword("true") { + let lit = if self.eat_keyword(keywords::True) { lit_bool(true) - } else if self.eat_keyword("false") { + } else if self.eat_keyword(keywords::False) { lit_bool(false) } else { // XXX: This is a really bad copy! @@ -1145,15 +1139,15 @@ pub impl Parser { } fn token_is_mutability(&self, tok: &token::Token) -> bool { - self.token_is_keyword("mut", tok) || - self.token_is_keyword("const", tok) + token::is_keyword(keywords::Mut, tok) || + token::is_keyword(keywords::Const, tok) } // parse mutability declaration (mut/const/imm) fn parse_mutability(&self) -> mutability { - if self.eat_keyword("mut") { + if self.eat_keyword(keywords::Mut) { m_mutbl - } else if self.eat_keyword("const") { + } else if self.eat_keyword(keywords::Const) { m_const } else { m_imm @@ -1251,30 +1245,30 @@ pub impl Parser { expr_block(blk)); } else if token::is_bar(&*self.token) { return self.parse_lambda_expr(); - } else if self.eat_keyword("self") { + } else if self.eat_keyword(keywords::Self) { ex = expr_self; hi = self.span.hi; - } else if self.eat_keyword("if") { + } else if self.eat_keyword(keywords::If) { return self.parse_if_expr(); - } else if self.eat_keyword("for") { + } else if self.eat_keyword(keywords::For) { return self.parse_sugary_call_expr(~"for", ForSugar, expr_loop_body); - } else if self.eat_keyword("do") { + } else if self.eat_keyword(keywords::Do) { return self.parse_sugary_call_expr(~"do", DoSugar, expr_do_body); - } else if self.eat_keyword("while") { + } else if self.eat_keyword(keywords::While) { return self.parse_while_expr(); } else if self.token_is_lifetime(&*self.token) { let lifetime = self.get_lifetime(&*self.token); self.bump(); self.expect(&token::COLON); - self.expect_keyword("loop"); + self.expect_keyword(keywords::Loop); return self.parse_loop_expr(Some(lifetime)); - } else if self.eat_keyword("loop") { + } else if self.eat_keyword(keywords::Loop) { return self.parse_loop_expr(None); - } else if self.eat_keyword("match") { + } else if self.eat_keyword(keywords::Match) { return self.parse_match_expr(); - } else if self.eat_keyword("unsafe") { + } else if self.eat_keyword(keywords::Unsafe) { return self.parse_block_expr(lo, unsafe_blk); } else if *self.token == token::LBRACKET { self.bump(); @@ -1314,7 +1308,7 @@ pub impl Parser { } } hi = self.last_span.hi; - } else if self.eat_keyword("__log") { + } else if self.eat_keyword(keywords::__Log) { // LOG expression self.expect(&token::LPAREN); let lvl = self.parse_expr(); @@ -1323,14 +1317,14 @@ pub impl Parser { ex = expr_log(lvl, e); hi = self.span.hi; self.expect(&token::RPAREN); - } else if self.eat_keyword("return") { + } else if self.eat_keyword(keywords::Return) { // RETURN expression if can_begin_expr(&*self.token) { let e = self.parse_expr(); hi = e.span.hi; ex = expr_ret(Some(e)); } else { ex = expr_ret(None); } - } else if self.eat_keyword("break") { + } else if self.eat_keyword(keywords::Break) { // BREAK expression if self.token_is_lifetime(&*self.token) { let lifetime = self.get_lifetime(&*self.token); @@ -1340,14 +1334,14 @@ pub impl Parser { ex = expr_break(None); } hi = self.span.hi; - } else if self.eat_keyword("copy") { + } 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("true") && - !self.is_keyword("false") { + is_ident(&*self.token) && !self.is_keyword(keywords::True) && + !self.is_keyword(keywords::False) { let pth = self.parse_path_with_tps(true); // `!`, as an operator, is prefix, so we know this isn't that @@ -1827,7 +1821,7 @@ pub impl Parser { } } None => { - if as_prec > min_prec && self.eat_keyword("as") { + if as_prec > min_prec && self.eat_keyword(keywords::As) { let rhs = self.parse_ty(true); let _as = self.mk_expr(lhs.span.lo, rhs.span.hi, @@ -1901,7 +1895,7 @@ pub impl Parser { let thn = self.parse_block(); let mut els: Option<@expr> = None; let mut hi = thn.span.hi; - if self.eat_keyword("else") { + if self.eat_keyword(keywords::Else) { let elexpr = self.parse_else_expr(); els = Some(elexpr); hi = elexpr.span.hi; @@ -1968,7 +1962,7 @@ pub impl Parser { } fn parse_else_expr(&self) -> @expr { - if self.eat_keyword("if") { + if self.eat_keyword(keywords::If) { return self.parse_if_expr(); } else { let blk = self.parse_block(); @@ -2082,7 +2076,7 @@ pub impl Parser { fn looking_at_record_literal(&self) -> bool { let lookahead = self.look_ahead(1); *self.token == token::LBRACE && - (self.token_is_keyword("mut", &lookahead) || + (token::is_keyword(keywords::Mut, &lookahead) || (is_plain_ident(&lookahead) && self.look_ahead(2) == token::COLON)) } @@ -2095,7 +2089,7 @@ pub impl Parser { while *self.token != token::RBRACE { let pats = self.parse_pats(); let mut guard = None; - if self.eat_keyword("if") { guard = Some(self.parse_expr()); } + if self.eat_keyword(keywords::If) { guard = Some(self.parse_expr()); } self.expect(&token::FAT_ARROW); let expr = self.parse_expr_res(RESTRICT_STMT_EXPR); @@ -2384,8 +2378,8 @@ pub impl Parser { } ref tok => { if !is_ident_or_path(tok) - || self.is_keyword("true") - || self.is_keyword("false") + || self.is_keyword(keywords::True) + || self.is_keyword(keywords::False) { // Parse an expression pattern or exp .. exp. // @@ -2404,11 +2398,11 @@ pub impl Parser { } else { pat = pat_lit(val); } - } else if self.eat_keyword("ref") { + } else if self.eat_keyword(keywords::Ref) { // parse ref pat let mutbl = self.parse_mutability(); pat = self.parse_pat_ident(refutable, bind_by_ref(mutbl)); - } else if self.eat_keyword("copy") { + } else if self.eat_keyword(keywords::Copy) { // parse copy pat pat = self.parse_pat_ident(refutable, bind_by_copy); } else { @@ -2558,7 +2552,7 @@ pub impl Parser { // parse a "let" stmt fn parse_let(&self) -> @decl { - let is_mutbl = self.eat_keyword("mut"); + let is_mutbl = self.eat_keyword(keywords::Mut); let lo = self.span.lo; let mut locals = ~[self.parse_local(is_mutbl)]; while self.eat(&token::COMMA) { @@ -2572,7 +2566,7 @@ pub impl Parser { pr: visibility, attrs: ~[attribute]) -> @struct_field { let lo = self.span.lo; - if self.eat_keyword("mut") { + if self.eat_keyword(keywords::Mut) { // Do nothing, for backwards compatibility. // XXX: Remove after snapshot. } @@ -2604,13 +2598,13 @@ pub impl Parser { } let lo = self.span.lo; - if self.is_keyword("let") { + if self.is_keyword(keywords::Let) { check_expected_item(self, item_attrs); - self.expect_keyword("let"); + self.expect_keyword(keywords::Let); let decl = self.parse_let(); return @spanned(lo, decl.span.hi, stmt_decl(decl, self.get_id())); } else if is_ident(&*self.token) - && !self.is_any_keyword(© *self.token) + && !token::is_any_keyword(self.token) && self.look_ahead(1) == token::NOT { // parse a macro invocation. Looks like there's serious // overlap here; if this clause doesn't catch it (and it @@ -2690,7 +2684,7 @@ pub impl Parser { maybe_whole!(self, nt_block); let lo = self.span.lo; - if self.eat_keyword("unsafe") { + if self.eat_keyword(keywords::Unsafe) { self.obsolete(copy *self.span, ObsoleteUnsafeBlock); } self.expect(&token::LBRACE); @@ -2705,7 +2699,7 @@ pub impl Parser { maybe_whole!(pair_empty self, nt_block); let lo = self.span.lo; - if self.eat_keyword("unsafe") { + if self.eat_keyword(keywords::Unsafe) { self.obsolete(copy *self.span, ObsoleteUnsafeBlock); } self.expect(&token::LBRACE); @@ -2849,10 +2843,10 @@ pub impl Parser { } fn parse_optional_purity(&self) -> ast::purity { - if self.eat_keyword("pure") { + if self.eat_keyword(keywords::Pure) { self.obsolete(*self.last_span, ObsoletePurity); ast::impure_fn - } else if self.eat_keyword("unsafe") { + } else if self.eat_keyword(keywords::Unsafe) { ast::unsafe_fn } else { ast::impure_fn @@ -2860,7 +2854,7 @@ pub impl Parser { } fn parse_optional_onceness(&self) -> ast::Onceness { - if self.eat_keyword("once") { ast::Once } else { ast::Many } + if self.eat_keyword(keywords::Once) { ast::Once } else { ast::Many } } // matches optbounds = ( ( : ( boundseq )? )? ) @@ -3023,10 +3017,10 @@ pub impl Parser { p: &Parser ) -> ast::explicit_self_ { // We need to make sure it isn't a mode or a type - if p.token_is_keyword("self", &p.look_ahead(1)) || - ((p.token_is_keyword("const", &p.look_ahead(1)) || - p.token_is_keyword("mut", &p.look_ahead(1))) && - p.token_is_keyword("self", &p.look_ahead(2))) { + if token::is_keyword(keywords::Self, &p.look_ahead(1)) || + ((token::is_keyword(keywords::Const, &p.look_ahead(1)) || + token::is_keyword(keywords::Mut, &p.look_ahead(1))) && + token::is_keyword(keywords::Self, &p.look_ahead(2))) { p.bump(); let mutability = p.parse_mutability(); @@ -3047,25 +3041,25 @@ pub impl Parser { // // We already know that the current token is `&`. - if (this.token_is_keyword("self", &this.look_ahead(1))) { + if (token::is_keyword(keywords::Self, &this.look_ahead(1))) { this.bump(); this.expect_self_ident(); sty_region(None, m_imm) } else if (this.token_is_mutability(&this.look_ahead(1)) && - this.token_is_keyword("self", &this.look_ahead(2))) { + token::is_keyword(keywords::Self, &this.look_ahead(2))) { this.bump(); let mutability = this.parse_mutability(); this.expect_self_ident(); sty_region(None, mutability) } else if (this.token_is_lifetime(&this.look_ahead(1)) && - this.token_is_keyword("self", &this.look_ahead(2))) { + token::is_keyword(keywords::Self, &this.look_ahead(2))) { this.bump(); let lifetime = @this.parse_lifetime(); this.expect_self_ident(); sty_region(Some(lifetime), m_imm) } else if (this.token_is_lifetime(&this.look_ahead(1)) && this.token_is_mutability(&this.look_ahead(2)) && - this.token_is_keyword("self", &this.look_ahead(3))) { + token::is_keyword(keywords::Self, &this.look_ahead(3))) { this.bump(); let lifetime = @this.parse_lifetime(); let mutability = this.parse_mutability(); @@ -3274,7 +3268,7 @@ pub impl Parser { let mut ty = self.parse_ty(false); // Parse traits, if necessary. - let opt_trait = if could_be_trait && self.eat_keyword("for") { + let opt_trait = if could_be_trait && self.eat_keyword(keywords::For) { // New-style trait. Reinterpret the type as a trait. let opt_trait_ref = match ty.node { ty_path(path, node_id) => { @@ -3449,11 +3443,11 @@ pub impl Parser { return ~[]; } - if self.eat_keyword("priv") { + if self.eat_keyword(keywords::Priv) { return ~[self.parse_single_struct_field(private, attrs)] } - if self.eat_keyword("pub") { + if self.eat_keyword(keywords::Pub) { return ~[self.parse_single_struct_field(public, attrs)]; } @@ -3466,13 +3460,13 @@ pub impl Parser { // parse visiility: PUB, PRIV, or nothing fn parse_visibility(&self) -> visibility { - if self.eat_keyword("pub") { public } - else if self.eat_keyword("priv") { private } + if self.eat_keyword(keywords::Pub) { public } + else if self.eat_keyword(keywords::Priv) { private } else { inherited } } fn parse_staticness(&self) -> bool { - if self.eat_keyword("static") { + if self.eat_keyword(keywords::Static) { self.obsolete(*self.last_span, ObsoleteStaticMethod); true } else { @@ -3692,10 +3686,10 @@ pub impl Parser { let lo = self.span.lo; // XXX: Obsolete; remove after snap. - if self.eat_keyword("const") { + if self.eat_keyword(keywords::Const) { self.obsolete(*self.last_span, ObsoleteConstItem); } else { - self.expect_keyword("static"); + self.expect_keyword(keywords::Static); } let ident = self.parse_ident(); @@ -3713,14 +3707,14 @@ pub impl Parser { // parse safe/unsafe and fn fn parse_fn_purity(&self) -> purity { - if self.eat_keyword("fn") { impure_fn } - else if self.eat_keyword("pure") { + if self.eat_keyword(keywords::Fn) { impure_fn } + else if self.eat_keyword(keywords::Pure) { self.obsolete(*self.last_span, ObsoletePurity); - self.expect_keyword("fn"); + self.expect_keyword(keywords::Fn); // NB: We parse this as impure for bootstrapping purposes. impure_fn - } else if self.eat_keyword("unsafe") { - self.expect_keyword("fn"); + } else if self.eat_keyword(keywords::Unsafe) { + self.expect_keyword(keywords::Fn); unsafe_fn } else { self.unexpected(); } @@ -3762,9 +3756,9 @@ pub impl Parser { items_allowed: bool) -> item_or_view_item { let mut must_be_named_mod = false; - if self.is_keyword("mod") { + if self.is_keyword(keywords::Mod) { must_be_named_mod = true; - self.expect_keyword("mod"); + self.expect_keyword(keywords::Mod); } else if *self.token != token::LBRACE { self.span_fatal( copy *self.span, @@ -4049,7 +4043,7 @@ pub impl Parser { let visibility = self.parse_visibility(); // must be a view item: - if self.eat_keyword("use") { + if self.eat_keyword(keywords::Use) { // USE ITEM (iovi_view_item) let view_item = self.parse_use(); self.expect(&token::SEMI); @@ -4061,10 +4055,10 @@ pub impl Parser { }); } // either a view item or an item: - if self.eat_keyword("extern") { + if self.eat_keyword(keywords::Extern) { let opt_abis = self.parse_opt_abis(); - if self.eat_keyword("fn") { + if self.eat_keyword(keywords::Fn) { // EXTERN FUNCTION ITEM let abis = opt_abis.get_or_default(AbiSet::C()); let (ident, item_, extra_attrs) = @@ -4080,11 +4074,11 @@ pub impl Parser { } } // the rest are all guaranteed to be items: - if (self.is_keyword("const") || - (self.is_keyword("static") && - !self.token_is_keyword("fn", &self.look_ahead(1)))) { + if (self.is_keyword(keywords::Const) || + (self.is_keyword(keywords::Static) && + !token::is_keyword(keywords::Fn, &self.look_ahead(1)))) { // CONST / STATIC ITEM - if self.is_keyword("const") { + if self.is_keyword(keywords::Const) { self.obsolete(*self.span, ObsoleteConstItem); } self.bump(); @@ -4093,7 +4087,7 @@ pub impl Parser { visibility, maybe_append(attrs, extra_attrs))); } - if self.is_keyword("fn") && + if self.is_keyword(keywords::Fn) && !self.fn_expr_lookahead(self.look_ahead(1u)) { // FUNCTION ITEM self.bump(); @@ -4103,28 +4097,28 @@ pub impl Parser { visibility, maybe_append(attrs, extra_attrs))); } - if self.eat_keyword("pure") { + if self.eat_keyword(keywords::Pure) { // PURE FUNCTION ITEM (obsolete) self.obsolete(*self.last_span, ObsoletePurity); - self.expect_keyword("fn"); + self.expect_keyword(keywords::Fn); let (ident, item_, extra_attrs) = self.parse_item_fn(impure_fn, AbiSet::Rust()); return iovi_item(self.mk_item(lo, self.last_span.hi, ident, item_, visibility, maybe_append(attrs, extra_attrs))); } - if self.is_keyword("unsafe") + if self.is_keyword(keywords::Unsafe) && self.look_ahead(1u) != token::LBRACE { // UNSAFE FUNCTION ITEM self.bump(); - self.expect_keyword("fn"); + self.expect_keyword(keywords::Fn); let (ident, item_, extra_attrs) = self.parse_item_fn(unsafe_fn, AbiSet::Rust()); return iovi_item(self.mk_item(lo, self.last_span.hi, ident, item_, visibility, maybe_append(attrs, extra_attrs))); } - if self.eat_keyword("mod") { + if self.eat_keyword(keywords::Mod) { // MODULE ITEM let (ident, item_, extra_attrs) = self.parse_item_mod(/*bad*/ copy attrs); @@ -4132,28 +4126,28 @@ pub impl Parser { visibility, maybe_append(attrs, extra_attrs))); } - if self.eat_keyword("type") { + if self.eat_keyword(keywords::Type) { // TYPE ITEM let (ident, item_, extra_attrs) = self.parse_item_type(); return iovi_item(self.mk_item(lo, self.last_span.hi, ident, item_, visibility, maybe_append(attrs, extra_attrs))); } - if self.eat_keyword("enum") { + if self.eat_keyword(keywords::Enum) { // ENUM ITEM let (ident, item_, extra_attrs) = self.parse_item_enum(); return iovi_item(self.mk_item(lo, self.last_span.hi, ident, item_, visibility, maybe_append(attrs, extra_attrs))); } - if self.eat_keyword("trait") { + if self.eat_keyword(keywords::Trait) { // TRAIT ITEM let (ident, item_, extra_attrs) = self.parse_item_trait(); return iovi_item(self.mk_item(lo, self.last_span.hi, ident, item_, visibility, maybe_append(attrs, extra_attrs))); } - if self.eat_keyword("impl") { + if self.eat_keyword(keywords::Impl) { // IMPL ITEM let (ident, item_, extra_attrs) = self.parse_item_impl(visibility); @@ -4161,7 +4155,7 @@ pub impl Parser { visibility, maybe_append(attrs, extra_attrs))); } - if self.eat_keyword("struct") { + if self.eat_keyword(keywords::Struct) { // STRUCT ITEM let (ident, item_, extra_attrs) = self.parse_item_struct(); return iovi_item(self.mk_item(lo, self.last_span.hi, ident, item_, @@ -4182,13 +4176,13 @@ pub impl Parser { let visibility = self.parse_visibility(); - if (self.is_keyword("const") || self.is_keyword("static")) { + if (self.is_keyword(keywords::Const) || self.is_keyword(keywords::Static)) { // FOREIGN CONST ITEM let item = self.parse_item_foreign_const(visibility, attrs); return iovi_foreign_item(item); } - if (self.is_keyword("fn") || self.is_keyword("pure") || - self.is_keyword("unsafe")) { + if (self.is_keyword(keywords::Fn) || self.is_keyword(keywords::Pure) || + self.is_keyword(keywords::Unsafe)) { // FOREIGN FUNCTION ITEM let item = self.parse_item_foreign_fn(attrs); return iovi_foreign_item(item); @@ -4204,7 +4198,7 @@ pub impl Parser { lo : BytePos, visibility : visibility ) -> item_or_view_item { - if macros_allowed && !self.is_any_keyword(© *self.token) + if macros_allowed && !token::is_any_keyword(self.token) && self.look_ahead(1) == token::NOT && (is_plain_ident(&self.look_ahead(2)) || self.look_ahead(2) == token::LPAREN @@ -4379,16 +4373,16 @@ pub impl Parser { fn is_view_item(&self) -> bool { let tok, next_tok; - if !self.is_keyword("pub") && !self.is_keyword("priv") { + if !self.is_keyword(keywords::Pub) && !self.is_keyword(keywords::Priv) { tok = copy *self.token; next_tok = self.look_ahead(1); } else { tok = self.look_ahead(1); next_tok = self.look_ahead(2); }; - self.token_is_keyword("use", &tok) - || (self.token_is_keyword("extern", &tok) && - self.token_is_keyword("mod", &next_tok)) + token::is_keyword(keywords::Use, &tok) + || (token::is_keyword(keywords::Extern, &tok) && + token::is_keyword(keywords::Mod, &next_tok)) } // parse a view item. @@ -4398,10 +4392,10 @@ pub impl Parser { vis: visibility ) -> @view_item { let lo = self.span.lo; - let node = if self.eat_keyword("use") { + let node = if self.eat_keyword(keywords::Use) { self.parse_use() - } else if self.eat_keyword("extern") { - self.expect_keyword("mod"); + } else if self.eat_keyword(keywords::Extern) { + self.expect_keyword(keywords::Mod); let ident = self.parse_ident(); let metadata = self.parse_optional_meta(); view_item_extern_mod(ident, metadata, self.get_id()) |