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authorErick Tryzelaar <erick.tryzelaar@gmail.com>2013-02-24 17:24:28 -0800
committerErick Tryzelaar <erick.tryzelaar@gmail.com>2013-02-26 01:51:41 -0800
commitff36986fa490917bcacfb4e5010e304d5e82f3bb (patch)
treebe4693995dd53f90fb1c720628669167e1e54052 /src
parentd346b51997a4a5d9f2e85aa41fc3113338b8a83b (diff)
downloadrust-ff36986fa490917bcacfb4e5010e304d5e82f3bb.tar.gz
rust-ff36986fa490917bcacfb4e5010e304d5e82f3bb.zip
libsyntax: change token fns to take &Token
Diffstat (limited to 'src')
-rw-r--r--src/libsyntax/parse/comments.rs2
-rw-r--r--src/libsyntax/parse/parser.rs40
-rw-r--r--src/libsyntax/parse/token.rs36
3 files changed, 39 insertions, 39 deletions
diff --git a/src/libsyntax/parse/comments.rs b/src/libsyntax/parse/comments.rs
index 377b089c532..4960563db88 100644
--- a/src/libsyntax/parse/comments.rs
+++ b/src/libsyntax/parse/comments.rs
@@ -354,7 +354,7 @@ pub fn gather_comments_and_literals(span_diagnostic: diagnostic::span_handler,
         rdr.next_token();
         //discard, and look ahead; we're working with internal state
         let TokenAndSpan {tok: tok, sp: sp} = rdr.peek();
-        if token::is_lit(tok) {
+        if token::is_lit(&tok) {
             let s = get_str_from(rdr, bstart);
             literals.push(lit {lit: s, pos: sp.lo});
             log(debug, ~"tok lit: " + s);
diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
index d0c6019e09a..a5226127947 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -656,7 +656,7 @@ pub impl Parser {
         } else if self.token_is_closure_keyword(&copy *self.token) {
             self.parse_ty_closure(None, None)
         } else if *self.token == token::MOD_SEP
-            || is_ident_or_path(*self.token) {
+            || is_ident_or_path(&*self.token) {
             let path = self.parse_path_with_tps(colons_before_params);
             ty_path(path, self.get_id())
         } else {
@@ -760,10 +760,10 @@ pub impl Parser {
             }
         } else { 0 };
         if offset == 0 {
-            is_plain_ident(*self.token)
+            is_plain_ident(&*self.token)
                 && self.look_ahead(1) == token::COLON
         } else {
-            is_plain_ident(self.look_ahead(offset))
+            is_plain_ident(&self.look_ahead(offset))
                 && self.look_ahead(offset + 1) == token::COLON
         }
     }
@@ -1141,7 +1141,7 @@ pub impl Parser {
                 return self.mk_expr(blk.span.lo, blk.span.hi,
                                      expr_block(blk));
             }
-        } else if token::is_bar(*self.token) {
+        } else if token::is_bar(&*self.token) {
             return self.parse_lambda_expr();
         } else if self.eat_keyword(&~"if") {
             return self.parse_if_expr();
@@ -1215,13 +1215,13 @@ pub impl Parser {
             ex = expr_assert(e);
             hi = e.span.hi;
         } else if self.eat_keyword(&~"return") {
-            if can_begin_expr(*self.token) {
+            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") {
-            if is_ident(*self.token) {
+            if is_ident(&*self.token) {
                 ex = expr_break(Some(self.parse_ident()));
             } else {
                 ex = expr_break(None);
@@ -1232,7 +1232,7 @@ pub impl Parser {
             ex = expr_copy(e);
             hi = e.span.hi;
         } else if *self.token == token::MOD_SEP ||
-                is_ident(*self.token) && !self.is_keyword(&~"true") &&
+                is_ident(&*self.token) && !self.is_keyword(&~"true") &&
                 !self.is_keyword(&~"false") {
             let pth = self.parse_path_with_tps(true);
 
@@ -1914,11 +1914,11 @@ pub impl Parser {
         // loop headers look like 'loop {' or 'loop unsafe {'
         let is_loop_header =
             *self.token == token::LBRACE
-            || (is_ident(*self.token)
+            || (is_ident(&*self.token)
                 && self.look_ahead(1) == token::LBRACE);
         // labeled loop headers look like 'loop foo: {'
         let is_labeled_loop_header =
-            is_ident(*self.token)
+            is_ident(&*self.token)
             && !self.is_any_keyword(&copy *self.token)
             && self.look_ahead(1) == token::COLON;
 
@@ -1939,7 +1939,7 @@ pub impl Parser {
         } else {
             // This is a 'continue' expression
             let lo = self.span.lo;
-            let ex = if is_ident(*self.token) {
+            let ex = if is_ident(&*self.token) {
                 expr_again(Some(self.parse_ident()))
             } else {
                 expr_again(None)
@@ -1954,7 +1954,7 @@ pub impl Parser {
         let lookahead = self.look_ahead(1);
         *self.token == token::LBRACE &&
             (self.token_is_keyword(&~"mut", &lookahead) ||
-             (is_plain_ident(lookahead) &&
+             (is_plain_ident(&lookahead) &&
               self.look_ahead(2) == token::COLON))
     }
 
@@ -2260,7 +2260,7 @@ pub impl Parser {
             pat = ast::pat_vec(elements, tail);
           }
           copy tok => {
-            if !is_ident_or_path(tok)
+            if !is_ident_or_path(&tok)
                 || self.is_keyword(&~"true")
                 || self.is_keyword(&~"false")
             {
@@ -2290,7 +2290,7 @@ pub impl Parser {
                         cannot_be_enum_or_struct = true
                 }
 
-                if is_plain_ident(*self.token) && cannot_be_enum_or_struct {
+                if is_plain_ident(&*self.token) && cannot_be_enum_or_struct {
                     let name = self.parse_value_path();
                     let sub;
                     if self.eat(&token::AT) {
@@ -2359,7 +2359,7 @@ pub impl Parser {
 
     fn parse_pat_ident(refutable: bool,
                        binding_mode: ast::binding_mode) -> ast::pat_ {
-        if !is_plain_ident(*self.token) {
+        if !is_plain_ident(&*self.token) {
             self.span_fatal(
                 *self.last_span,
                 ~"expected identifier, found path");
@@ -2425,7 +2425,7 @@ pub impl Parser {
         if self.eat_keyword(&~"mut") {
             is_mutbl = struct_mutable;
         }
-        if !is_plain_ident(*self.token) {
+        if !is_plain_ident(&*self.token) {
             self.fatal(~"expected ident");
         }
         let name = self.parse_ident();
@@ -2454,7 +2454,7 @@ pub impl Parser {
             self.expect_keyword(&~"let");
             let decl = self.parse_let();
             return @spanned(lo, decl.span.hi, stmt_decl(decl, self.get_id()));
-        } else if is_ident(*self.token)
+        } else if is_ident(&*self.token)
             && !self.is_any_keyword(&copy *self.token)
             && self.look_ahead(1) == token::NOT {
 
@@ -2716,7 +2716,7 @@ pub impl Parser {
                                       ~"`&static` is the only permissible \
                                         region bound here");
                     }
-                } else if is_ident(*self.token) {
+                } else if is_ident(&*self.token) {
                     let maybe_bound = match *self.token {
                       token::IDENT(copy sid, _) => {
                         match *self.id_to_str(sid) {
@@ -2757,7 +2757,7 @@ pub impl Parser {
                     loop;
                 }
 
-                if is_ident_or_path(*self.token) {
+                if is_ident_or_path(&*self.token) {
                     self.obsolete(*self.span,
                                   ObsoleteTraitBoundSeparator);
                 }
@@ -3987,7 +3987,7 @@ pub impl Parser {
             });
         } else if macros_allowed && !self.is_any_keyword(&copy *self.token)
                 && self.look_ahead(1) == token::NOT
-                && (is_plain_ident(self.look_ahead(2))
+                && (is_plain_ident(&self.look_ahead(2))
                     || self.look_ahead(2) == token::LPAREN
                     || self.look_ahead(2) == token::LBRACE) {
             // MACRO INVOCATION ITEM
@@ -4002,7 +4002,7 @@ pub impl Parser {
             // a 'special' identifier (like what `macro_rules!` uses)
             // is optional. We should eventually unify invoc syntax
             // and remove this.
-            let id = if is_plain_ident(*self.token) {
+            let id = if is_plain_ident(&*self.token) {
                 self.parse_ident()
             } else {
                 token::special_idents::invalid // no special identifier
diff --git a/src/libsyntax/parse/token.rs b/src/libsyntax/parse/token.rs
index bc61ce9e7fc..bb1f8f1d1d9 100644
--- a/src/libsyntax/parse/token.rs
+++ b/src/libsyntax/parse/token.rs
@@ -225,8 +225,8 @@ pub fn to_str(in: @ident_interner, t: &Token) -> ~str {
     }
 }
 
-pub pure fn can_begin_expr(t: Token) -> bool {
-    match t {
+pub pure fn can_begin_expr(t: &Token) -> bool {
+    match *t {
       LPAREN => true,
       LBRACE => true,
       LBRACKET => true,
@@ -259,20 +259,20 @@ pub pure fn can_begin_expr(t: Token) -> bool {
 /// what's the opposite delimiter?
 pub fn flip_delimiter(t: &token::Token) -> token::Token {
     match *t {
-      token::LPAREN => token::RPAREN,
-      token::LBRACE => token::RBRACE,
-      token::LBRACKET => token::RBRACKET,
-      token::RPAREN => token::LPAREN,
-      token::RBRACE => token::LBRACE,
-      token::RBRACKET => token::LBRACKET,
+      LPAREN => RPAREN,
+      LBRACE => RBRACE,
+      LBRACKET => RBRACKET,
+      RPAREN => LPAREN,
+      RBRACE => LBRACE,
+      RBRACKET => LBRACKET,
       _ => fail!()
     }
 }
 
 
 
-pub fn is_lit(t: Token) -> bool {
-    match t {
+pub fn is_lit(t: &Token) -> bool {
+    match *t {
       LIT_INT(_, _) => true,
       LIT_UINT(_, _) => true,
       LIT_INT_UNSUFFIXED(_) => true,
@@ -283,23 +283,23 @@ pub fn is_lit(t: Token) -> bool {
     }
 }
 
-pub pure fn is_ident(t: Token) -> bool {
-    match t { IDENT(_, _) => true, _ => false }
+pub pure fn is_ident(t: &Token) -> bool {
+    match *t { IDENT(_, _) => true, _ => false }
 }
 
-pub pure fn is_ident_or_path(t: Token) -> bool {
-    match t {
+pub pure fn is_ident_or_path(t: &Token) -> bool {
+    match *t {
       IDENT(_, _) | INTERPOLATED(nt_path(*)) => true,
       _ => false
     }
 }
 
-pub pure fn is_plain_ident(t: Token) -> bool {
-    match t { IDENT(_, false) => true, _ => false }
+pub pure fn is_plain_ident(t: &Token) -> bool {
+    match *t { IDENT(_, false) => true, _ => false }
 }
 
-pub pure fn is_bar(t: Token) -> bool {
-    match t { BINOP(OR) | OROR => true, _ => false }
+pub pure fn is_bar(t: &Token) -> bool {
+    match *t { BINOP(OR) | OROR => true, _ => false }
 }