lexer: Use error helper functions in more situations.

[pspp] / src / language / dictionary / rename-variables.c

diff --git a/src/language/dictionary/rename-variables.c b/src/language/dictionary/rename-variables.c
index 82fc1d96c8117a1c6823c4a4a8be057570a2d3a0..4fc5bada85df3cc3f716bfb816767173660329b2 100644 (file)
--- a/src/language/dictionary/rename-variables.c
+++ b/src/language/dictionary/rename-variables.c
@@ -53,19 +53,13 @@ cmd_rename_variables (struct lexer *lexer, struct dataset *ds)
       size_t prev_nv_1 = rename_cnt;
       size_t prev_nv_2 = rename_cnt;
 
-      if (!lex_match (lexer, T_LPAREN))
-       {
-         msg (SE, _("`(' expected."));
-         goto lossage;
-       }
+      if (!lex_force_match (lexer, T_LPAREN))
+        goto lossage;
       if (!parse_variables (lexer, dataset_dict (ds), &rename_vars, &rename_cnt,
                            PV_APPEND | PV_NO_DUPLICATE))
        goto lossage;
-      if (!lex_match (lexer, T_EQUALS))
-       {
-         msg (SE, _("`=' expected between lists of new and old variable names."));
-         goto lossage;
-       }
+      if (!lex_force_match (lexer, T_EQUALS))
+        goto lossage;
       if (!parse_DATA_LIST_vars (lexer, dataset_dict (ds),
                                  &rename_new_names, &prev_nv_1,
                                  PV_APPEND | PV_NO_DUPLICATE))
@@ -83,11 +77,8 @@ cmd_rename_variables (struct lexer *lexer, struct dataset *ds)
          rename_new_names = NULL;
          goto lossage;
        }
-      if (!lex_match (lexer, T_RPAREN))
-       {
-         msg (SE, _("`)' expected after variable names."));
-         goto lossage;
-       }
+      if (!lex_force_match (lexer, T_RPAREN))
+        goto lossage;
     }
   while (lex_token (lexer) != T_ENDCMD);