Initial work for Doxygen based YAZ reference

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

diff --git a/src/cql.y b/src/cql.y
index 0a81738..d2cc5c5 100644 (file)
--- a/src/cql.y
+++ b/src/cql.y
@@ -1,4 +1,4 @@
-/* $Id: cql.y,v 1.2 2004-03-10 16:34:29 adam Exp $
+/* $Id: cql.y,v 1.6 2004-10-03 22:34:07 adam Exp $
    Copyright (C) 2002-2004
    Index Data Aps
 
@@ -9,10 +9,17 @@ See the file LICENSE.
  bison parser for CQL grammar.
 */
 %{
+/** 
+ * \file cql.c
+ * \brief Implements CQL parser.
+ *
+ * This is a YACC parser, but since it must be reentrant, Bison is required.
+ */
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
+#include <yaz/xmalloc.h>
 #include <yaz/nmem.h>
 #include <yaz/cql.h>
     
@@ -91,7 +98,7 @@ searchClause:
 |
   searchTerm {
       struct cql_node *st = cql_node_dup ($0.rel);
-      st->u.st.term = strdup($1.buf);
+      st->u.st.term = xstrdup($1.buf);
       $$.cql = st;
   }
 | 
@@ -105,12 +112,12 @@ searchClause:
 | '>' searchTerm '=' searchTerm {
       $$.rel = $0.rel;
   } cqlQuery {
-    $$.cql = cql_node_prefix($6.cql, $2.buf, $4.buf);
+    $$.cql = cql_apply_prefix($6.cql, $2.buf, $4.buf);
   }
 | '>' searchTerm {
       $$.rel = $0.rel;
   } cqlQuery {
-    $$.cql = cql_node_prefix($4.cql, 0, $2.buf);
+    $$.cql = cql_apply_prefix($4.cql, 0, $2.buf);
    }
 ;
 
@@ -186,7 +193,8 @@ static void putb(YYSTYPE *lval, CQL_parser cp, int c)
 {
     if (lval->len+1 >= lval->size)
     {
-        char *nb = nmem_malloc(cp->nmem, (lval->size = lval->len * 2 + 20));
+        char *nb = (char *)
+           nmem_malloc(cp->nmem, (lval->size = lval->len * 2 + 20));
         memcpy (nb, lval->buf, lval->len);
         lval->buf = nb;
     }
@@ -204,7 +212,7 @@ int yylex(YYSTYPE *lval, void *vp)
     lval->rel = 0;
     lval->len = 0;
     lval->size = 10;
-    lval->buf = nmem_malloc(cp->nmem, lval->size);
+    lval->buf = (char *) nmem_malloc(cp->nmem, lval->size);
     lval->buf[0] = '\0';
     do
     {
@@ -249,7 +257,7 @@ int yylex(YYSTYPE *lval, void *vp)
     }
     if (c == '"')
     {
-        while ((c = cp->getbyte(cp->client_data)) != EOF && c != '"')
+        while ((c = cp->getbyte(cp->client_data)) != 0 && c != '"')
         {
             if (c == '\\')
                 c = cp->getbyte(cp->client_data);
@@ -304,7 +312,7 @@ int cql_parser_stream(CQL_parser cp,
 
 CQL_parser cql_parser_create(void)
 {
-    CQL_parser cp = (CQL_parser) malloc (sizeof(*cp));
+    CQL_parser cp = (CQL_parser) xmalloc (sizeof(*cp));
 
     cp->top = 0;
     cp->getbyte = 0;
@@ -320,7 +328,7 @@ void cql_parser_destroy(CQL_parser cp)
 {
     cql_node_destroy(cp->top);
     nmem_destroy(cp->nmem);
-    free (cp);
+    xfree (cp);
 }
 
 struct cql_node *cql_parser_result(CQL_parser cp)