parser: Fix longstanding bug where "()" was required after CLI targets.

[goals.git] / src / parser.mly

diff --git a/src/parser.mly b/src/parser.mly
index 9d6988b..57a0c5c 100644 (file)
--- a/src/parser.mly
+++ b/src/parser.mly
@@ -87,7 +87,7 @@ let do_include env loc filename optflag file =
 
 (* Start nonterminals. *)
 %start <Ast.expr Ast.Env.t> file
-%start <Ast.expr> expr
+%start <Ast.expr> expr_only
 %%
 
 file:
@@ -176,6 +176,13 @@ params:
     | LEFT_PAREN separated_list(COMMA, expr) RIGHT_PAREN { $2 }
     ;
 
+(* This is used by Parse.parse_expr where we have to parse
+ * a standalone string (eg. from the command line).
+ *)
+expr_only:
+    | expr EOF   { $1 }
+    ;
+
 (* http://gallium.inria.fr/blog/lr-lists/ *)
 right_flexible_list(delim, X):
     | (* nothing *) { [] }