Make the parser more careful about keywords

Keywords are now only recognized in contexts where they are valid. The
lexer no longer recognizes them, all words are lexed as IDENT tokens,
that get interpreted by the parser.

1 files changed, 2 insertions, 3 deletions

diff --git a/src/comp/pretty/pprust.rs b/src/comp/pretty/pprust.rs
index 3c959b99..0bdd5c83 100644
--- a/src/comp/pretty/pprust.rs
+++ b/src/comp/pretty/pprust.rs
@@ -9,7 +9,6 @@ import util::common;
 import pp::end; import pp::wrd; import pp::space; import pp::line;
 
 const uint indent_unit = 4u;
-const int as_prec = 5;
 const uint default_columns = 78u;
 
 type ps = @rec(pp::ps s,
@@ -494,7 +493,7 @@ fn print_expr(ps s, &@ast::expr expr) {
             print_literal(s, lit);
         }
         case (ast::expr_cast(?expr,?ty,_)) {
-            print_maybe_parens(s, expr, as_prec);
+            print_maybe_parens(s, expr, front::parser::as_prec);
             space(s.s);
             wrd1(s, "as");
             print_type(s, ty);
@@ -888,7 +887,7 @@ fn print_maybe_parens(ps s, @ast::expr expr, int outer_prec) {
             add_them = operator_prec(op) < outer_prec;
         }
         case (ast::expr_cast(_,_,_)) {
-            add_them = as_prec < outer_prec;
+            add_them = front::parser::as_prec < outer_prec;
         }
         case (_) {
             add_them = false;