Happy new year

[yaz-moved-to-github.git] / src / cql.y

diff --git a/src/cql.y b/src/cql.y
index c6151a2..7bb83f8 100644 (file)
--- a/src/cql.y
+++ b/src/cql.y
@@ -1,5 +1,5 @@
 /* This file is part of the YAZ toolkit.
- * Copyright (C) 1995-2008 Index Data
+ * Copyright (C) 1995-2011 Index Data
  * See the file LICENSE for details.
  */ 
 /* bison parser for CQL grammar. */
@@ -11,6 +11,9 @@
  * This is a YACC parser, but since it must be reentrant, Bison is required.
  * The original source file is cql.y.
  */
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -53,7 +56,7 @@
 %}
 
 %pure_parser
-%token DOTTERM TERM AND OR NOT PROX GE LE NE EXACT
+%token DOTTERM TERM AND OR NOT PROX GE LE NE EXACT SORTBY
 
 %%
 
@@ -61,12 +64,20 @@ top: {
     $$.rel = cql_node_mk_sc(((CQL_parser) parm)->nmem,
                            "cql.serverChoice", "=", 0);
     ((CQL_parser) parm)->top = 0;
-} cqlQuery1 {
+} cqlQuery1 sortby {
     cql_node_destroy($$.rel);
     ((CQL_parser) parm)->top = $2.cql; 
 }
 ;
 
+sortby: /* empty */
+| SORTBY sortSpec;
+
+sortSpec: sortSpec singleSpec
+| singleSpec; 
+
+singleSpec: index modifiers ;
+
 cqlQuery1: cqlQuery
 | cqlQuery error {
     cql_node_destroy($1.cql);
@@ -203,6 +214,7 @@ searchTerm:
 | OR
 | NOT
 | PROX
+| SORTBY
 ;
 
 %%
@@ -358,6 +370,11 @@ int yylex(YYSTYPE *lval, void *vp)
            lval->buf = "prox";
            return PROX;
        }
+       if (!cql_strcmp(lval->buf, "sortby"))
+       {
+           lval->buf = "sortby";
+           return SORTBY;
+       }
        if (!cql_strcmp(lval->buf, "all"))
            relation_like = 1;
        if (!cql_strcmp(lval->buf, "any"))