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libsyntax: change eat to take a &token

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This commit is contained in:
Erick Tryzelaar
2013-02-24 09:54:41 -08:00
parent 1deb858b22
commit 4650da5888
3 changed files with 41 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/libsyntax/ext/base.rs
+1 -1
View File
@@ -341,7 +341,7 @@ pub fn get_exprs_from_tts(cx: ext_ctxt, tts: &[ast::token_tree])
let mut es = ~[];
while *p.token != token::EOF {
if es.len() != 0 {
p.eat(token::COMMA);
p.eat(&token::COMMA);
}
es.push(p.parse_expr());
}
src/libsyntax/parse/common.rs
+2 -2
View File
@@ -103,8 +103,8 @@ fn parse_value_ident() -> ast::ident {
// consume token 'tok' if it exists. Returns true if the given
// token was present, false otherwise.
fn eat(tok: token::Token) -> bool {
return if *self.token == tok { self.bump(); true } else { false };
fn eat(tok: &token::Token) -> bool {
return if *self.token == *tok { self.bump(); true } else { false };
}
// Storing keywords as interned idents instead of strings would be nifty.
src/libsyntax/parse/parser.rs
+38 -38
View File
@@ -417,7 +417,7 @@ fn parse_ty_fn_decl() -> fn_decl {
Lifetimes
*/
if self.eat(token::LT) {
if self.eat(&token::LT) {
let _lifetimes = self.parse_lifetimes();
self.expect(token::GT);
}
@@ -525,9 +525,9 @@ fn parse_ty_field() -> ty_field {
}
fn parse_ret_ty() -> (ret_style, @Ty) {
return if self.eat(token::RARROW) {
return if self.eat(&token::RARROW) {
let lo = self.span.lo;
if self.eat(token::NOT) {
if self.eat(&token::NOT) {
(
noreturn,
@Ty {
@@ -719,12 +719,12 @@ fn parse_borrowed_pointee() -> ty_ {
}
fn parse_arg_mode() -> mode {
if self.eat(token::BINOP(token::MINUS)) {
if self.eat(&token::BINOP(token::MINUS)) {
expl(by_copy) // NDM outdated syntax
} else if self.eat(token::ANDAND) {
} else if self.eat(&token::ANDAND) {
expl(by_ref)
} else if self.eat(token::BINOP(token::PLUS)) {
if self.eat(token::BINOP(token::PLUS)) {
} else if self.eat(&token::BINOP(token::PLUS)) {
if self.eat(&token::BINOP(token::PLUS)) {
expl(by_val)
} else {
expl(by_copy)
@@ -806,7 +806,7 @@ fn parse_fn_block_arg() -> arg_or_capture_item {
let m = p.parse_arg_mode();
let is_mutbl = self.eat_keyword(&~"mut");
let pat = p.parse_pat(false);
let t = if p.eat(token::COLON) {
let t = if p.eat(&token::COLON) {
p.parse_ty(false)
} else {
@Ty {
@@ -826,7 +826,7 @@ fn parse_fn_block_arg() -> arg_or_capture_item {
}
fn maybe_parse_fixed_vstore_with_star() -> Option<uint> {
if self.eat(token::BINOP(token::STAR)) {
if self.eat(&token::BINOP(token::STAR)) {
match *self.token {
token::LIT_INT_UNSUFFIXED(i) if i >= 0i64 => {
self.bump();
@@ -884,7 +884,7 @@ fn parse_path_without_tps_(
maybe_whole!(self, nt_path);
let lo = self.span.lo;
let global = self.eat(token::MOD_SEP);
let global = self.eat(&token::MOD_SEP);
let mut ids = ~[];
loop {
let is_not_last =
@@ -917,7 +917,7 @@ fn parse_path_with_tps(colons: bool) -> @path {
maybe_whole!(self, nt_path);
let lo = self.span.lo;
let path = self.parse_path_without_tps();
if colons && !self.eat(token::MOD_SEP) {
if colons && !self.eat(&token::MOD_SEP) {
return path;
}
@@ -940,7 +940,7 @@ fn parse_path_with_tps(colons: bool) -> @path {
// Parse any lifetime or type parameters which may appear:
let tps = {
if !self.eat(token::LT) {
if !self.eat(&token::LT) {
~[]
} else {
// First consume lifetimes.
@@ -1251,7 +1251,7 @@ fn parse_bottom_expr() -> @expr {
self.expect(token::COMMA);
if self.eat(token::DOTDOT) {
if self.eat(&token::DOTDOT) {
base = Some(self.parse_expr());
break;
}
@@ -1302,12 +1302,12 @@ fn parse_dot_or_call_expr_with(e0: @expr) -> @expr {
let mut hi;
loop {
// expr.f
if self.eat(token::DOT) {
if self.eat(&token::DOT) {
match *self.token {
token::IDENT(i, _) => {
hi = self.span.hi;
self.bump();
let tys = if self.eat(token::MOD_SEP) {
let tys = if self.eat(&token::MOD_SEP) {
self.expect(token::LT);
self.parse_seq_to_gt(Some(token::COMMA),
|p| p.parse_ty(false))
@@ -1960,7 +1960,7 @@ fn parse_match_expr() -> @expr {
if require_comma {
self.expect(token::COMMA);
} else {
self.eat(token::COMMA);
self.eat(&token::COMMA);
}
let blk = codemap::spanned {
@@ -2218,7 +2218,7 @@ fn parse_pat(refutable: bool) -> @pat {
|| self.is_keyword(&~"false")
{
let val = self.parse_expr_res(RESTRICT_NO_BAR_OP);
if self.eat(token::DOTDOT) {
if self.eat(&token::DOTDOT) {
let end = self.parse_expr_res(RESTRICT_NO_BAR_OP);
pat = pat_range(val, end);
} else {
@@ -2246,7 +2246,7 @@ fn parse_pat(refutable: bool) -> @pat {
if is_plain_ident(*self.token) && cannot_be_enum_or_struct {
let name = self.parse_value_path();
let sub;
if self.eat(token::AT) {
if self.eat(&token::AT) {
sub = Some(self.parse_pat(refutable));
} else {
sub = None;
@@ -2315,7 +2315,7 @@ fn parse_pat_ident(refutable: bool,
~"expected identifier, found path");
}
let name = self.parse_value_path();
let sub = if self.eat(token::AT) {
let sub = if self.eat(&token::AT) {
Some(self.parse_pat(refutable))
} else { None };
@@ -2343,7 +2343,7 @@ fn parse_local(is_mutbl: bool,
node: ty_infer,
span: mk_sp(lo, lo),
};
if self.eat(token::COLON) { ty = self.parse_ty(false); }
if self.eat(&token::COLON) { ty = self.parse_ty(false); }
let init = if allow_init { self.parse_initializer() } else { None };
@spanned(
lo,
@@ -2362,7 +2362,7 @@ fn parse_let() -> @decl {
let is_mutbl = self.eat_keyword(&~"mut");
let lo = self.span.lo;
let mut locals = ~[self.parse_local(is_mutbl, true)];
while self.eat(token::COMMA) {
while self.eat(&token::COMMA) {
locals.push(self.parse_local(is_mutbl, true));
}
return @spanned(lo, self.last_span.hi, decl_local(locals));
@@ -2648,9 +2648,9 @@ fn parse_optional_onceness() -> ast::Onceness {
fn parse_optional_ty_param_bounds() -> @~[ty_param_bound] {
let mut bounds = ~[];
if self.eat(token::COLON) {
if self.eat(&token::COLON) {
loop {
if self.eat(token::BINOP(token::AND)) {
if self.eat(&token::BINOP(token::AND)) {
if self.eat_keyword(&~"static") {
bounds.push(RegionTyParamBound);
} else {
@@ -2695,7 +2695,7 @@ fn parse_optional_ty_param_bounds() -> @~[ty_param_bound] {
break;
}
if self.eat(token::BINOP(token::PLUS)) {
if self.eat(&token::BINOP(token::PLUS)) {
loop;
}
@@ -2715,7 +2715,7 @@ fn parse_ty_param() -> ty_param {
}
fn parse_ty_params() -> ~[ty_param] {
if self.eat(token::LT) {
if self.eat(&token::LT) {
let _lifetimes = self.parse_lifetimes();
self.parse_seq_to_gt(
Some(token::COMMA),
@@ -2849,7 +2849,7 @@ fn maybe_parse_self_ty(cnstr: fn(+v: mutability) -> ast::self_ty_,
fn parse_fn_block_decl() -> fn_decl {
let inputs_captures = {
if self.eat(token::OROR) {
if self.eat(&token::OROR) {
~[]
} else {
self.parse_unspanned_seq(
@@ -2858,7 +2858,7 @@ fn parse_fn_block_decl() -> fn_decl {
|p| p.parse_fn_block_arg())
}
};
let output = if self.eat(token::RARROW) {
let output = if self.eat(&token::RARROW) {
self.parse_ty(false)
} else {
@Ty { id: self.get_id(), node: ty_infer, span: *self.span }
@@ -2996,7 +2996,7 @@ fn wrap_path(p: Parser, pt: @path) -> @Ty {
ty = self.parse_ty(false);
opt_trait_ref
} else if self.eat(token::COLON) {
} else if self.eat(&token::COLON) {
self.obsolete(*self.span, ObsoleteImplSyntax);
Some(self.parse_trait_ref())
} else {
@@ -3004,9 +3004,9 @@ fn wrap_path(p: Parser, pt: @path) -> @Ty {
};
let mut meths = ~[];
if !self.eat(token::SEMI) {
if !self.eat(&token::SEMI) {
self.expect(token::LBRACE);
while !self.eat(token::RBRACE) {
while !self.eat(&token::RBRACE) {
meths.push(self.parse_method());
}
}
@@ -3061,7 +3061,7 @@ fn parse_item_struct() -> item_info {
let class_name = self.parse_value_ident();
self.parse_region_param();
let ty_params = self.parse_ty_params();
if self.eat(token::COLON) {
if self.eat(&token::COLON) {
self.obsolete(*self.span, ObsoleteClassTraits);
let _ = self.parse_trait_ref_list(token::LBRACE);
}
@@ -3070,7 +3070,7 @@ fn parse_item_struct() -> item_info {
let mut the_dtor: Option<(blk, ~[attribute], codemap::span)> = None;
let is_tuple_like;
if self.eat(token::LBRACE) {
if self.eat(&token::LBRACE) {
// It's a record-like struct.
is_tuple_like = false;
fields = ~[];
@@ -3113,7 +3113,7 @@ fn parse_item_struct() -> item_info {
@spanned(lo, p.span.hi, struct_field_)
};
self.expect(token::SEMI);
} else if self.eat(token::SEMI) {
} else if self.eat(&token::SEMI) {
// It's a unit-like struct.
is_tuple_like = true;
fields = ~[];
@@ -3526,7 +3526,7 @@ fn parse_item_foreign_mod(lo: BytePos,
};
// extern mod { ... }
if items_allowed && self.eat(token::LBRACE) {
if items_allowed && self.eat(&token::LBRACE) {
let abi;
match abi_opt {
Some(found_abi) => abi = found_abi,
@@ -3578,7 +3578,7 @@ fn parse_item_type() -> item_info {
}
fn parse_region_param() {
if self.eat(token::BINOP(token::SLASH)) {
if self.eat(&token::BINOP(token::SLASH)) {
self.expect(token::BINOP(token::AND));
}
}
@@ -3659,7 +3659,7 @@ fn parse_enum_def(ty_params: ~[ast::ty_param])
needs_comma = false;
} else {
ident = self.parse_value_ident();
if self.eat(token::LBRACE) {
if self.eat(&token::LBRACE) {
// Parse a struct variant.
all_nullary = false;
kind = struct_variant_kind(self.parse_struct_def());
@@ -3676,7 +3676,7 @@ fn parse_enum_def(ty_params: ~[ast::ty_param])
});
}
kind = tuple_variant_kind(args);
} else if self.eat(token::EQ) {
} else if self.eat(&token::EQ) {
have_disr = true;
disr_expr = Some(self.parse_expr());
kind = tuple_variant_kind(args);
@@ -3696,7 +3696,7 @@ fn parse_enum_def(ty_params: ~[ast::ty_param])
};
variants.push(spanned(vlo, self.last_span.hi, vr));
if needs_comma && !self.eat(token::COMMA) { break; }
if needs_comma && !self.eat(&token::COMMA) { break; }
}
self.expect(token::RBRACE);
if (have_disr && !all_nullary) {