idl: Generalize special case boolean exception.

[sliver-openvswitch.git] / ovsdb / ovsdb-idlc.in

diff --git a/ovsdb/ovsdb-idlc.in b/ovsdb/ovsdb-idlc.in
index 4183089..089bc23 100755 (executable)
--- a/ovsdb/ovsdb-idlc.in
+++ b/ovsdb/ovsdb-idlc.in
@@ -178,6 +178,13 @@ def printCIDLSource(schemaFile):
 #include "ovsdb-data.h"
 #include "ovsdb-error.h"
 
+#ifdef __CHECKER__
+/* Sparse dislikes sizeof(bool) ("warning: expression using sizeof bool"). */
+enum { sizeof_bool = 1 };
+#else
+enum { sizeof_bool = sizeof(bool) };
+#endif
+
 static bool inited;
 ''' % schema.idlHeader
 
@@ -222,13 +229,13 @@ static void
                 if not type.key.ref_table:
                     print "        %s = datum->keys[0].%s;" % (keyVar, type.key.type.to_string())
                 else:
-                    print "        %s = %s%s_cast(ovsdb_idl_get_row_arc(row_, &%stable_classes[%sTABLE_%s], &datum->keys[0].uuid));" % (keyVar, prefix, type.key.ref_table.lower(), prefix, prefix.upper(), type.key.ref_table.upper())
+                    print "        %s = %s%s_cast(ovsdb_idl_get_row_arc(row_, &%stable_classes[%sTABLE_%s], &datum->keys[0].uuid));" % (keyVar, prefix, type.key.ref_table.name.lower(), prefix, prefix.upper(), type.key.ref_table.name.upper())
 
                 if valueVar:
                     if type.value.ref_table:
                         print "        %s = datum->values[0].%s;" % (valueVar, type.value.type.to_string())
                     else:
-                        print "        %s = %s%s_cast(ovsdb_idl_get_row_arc(row_, &%stable_classes[%sTABLE_%s], &datum->values[0].uuid));" % (valueVar, prefix, type.value.ref_table.lower(), prefix, prefix.upper(), type.value.ref_table.upper())
+                        print "        %s = %s%s_cast(ovsdb_idl_get_row_arc(row_, &%stable_classes[%sTABLE_%s], &datum->values[0].uuid));" % (valueVar, prefix, type.value.ref_table.name.lower(), prefix, prefix.upper(), type.value.ref_table.name.upper())
                 print "    } else {"
                 print "        %s" % type.key.initCDefault(keyVar, type.n_min == 0)
                 if valueVar:
@@ -250,13 +257,13 @@ static void
                 print "    for (i = 0; i < %s; i++) {" % nMax
                 refs = []
                 if type.key.ref_table:
-                    print "        struct %s%s *keyRow = %s%s_cast(ovsdb_idl_get_row_arc(row_, &%stable_classes[%sTABLE_%s], &datum->keys[i].uuid));" % (prefix, type.key.ref_table.lower(), prefix, type.key.ref_table.lower(), prefix, prefix.upper(), type.key.ref_table.upper())
+                    print "        struct %s%s *keyRow = %s%s_cast(ovsdb_idl_get_row_arc(row_, &%stable_classes[%sTABLE_%s], &datum->keys[i].uuid));" % (prefix, type.key.ref_table.name.lower(), prefix, type.key.ref_table.name.lower(), prefix, prefix.upper(), type.key.ref_table.name.upper())
                     keySrc = "keyRow"
                     refs.append('keyRow')
                 else:
                     keySrc = "datum->keys[i].%s" % type.key.type.to_string()
                 if type.value and type.value.ref_table:
-                    print "        struct %s%s *valueRow = %s%s_cast(ovsdb_idl_get_row_arc(row_, &%stable_classes[%sTABLE_%s], &datum->values[i].uuid));" % (prefix, type.value.ref_table.lower(), prefix, type.value.ref_table.lower(), prefix, prefix.upper(), type.value.ref_table.upper())
+                    print "        struct %s%s *valueRow = %s%s_cast(ovsdb_idl_get_row_arc(row_, &%stable_classes[%sTABLE_%s], &datum->values[i].uuid));" % (prefix, type.value.ref_table.name.lower(), prefix, type.value.ref_table.name.lower(), prefix, prefix.upper(), type.value.ref_table.name.upper())
                     valueSrc = "valueRow"
                     refs.append('valueRow')
                 elif valueVar:
@@ -267,9 +274,24 @@ static void
                 else:
                     indent = "        "
                 print "%sif (!row->n_%s) {" % (indent, columnName)
-                print "%s    %s = xmalloc(%s * sizeof *%s);" % (indent, keyVar, nMax, keyVar)
+
+                # Special case for boolean types.  This is only here because
+                # sparse does not like the "normal" case ("warning: expression
+                # using sizeof bool").
+                if type.key.type == ovs.db.types.BooleanType:
+                    sizeof = "sizeof_bool"
+                else:
+                    sizeof = "sizeof *%s" % keyVar
+                print "%s    %s = xmalloc(%s * %s);" % (indent, keyVar, nMax,
+                                                        sizeof)
                 if valueVar:
-                    print "%s    %s = xmalloc(%s * sizeof *%s);" % (indent, valueVar, nMax, valueVar)
+                    # Special case for boolean types (see above).
+                    if type.value.type == ovs.db.types.BooleanType:
+                        sizeof = " * sizeof_bool"
+                    else:
+                        sizeof = "sizeof *%s" % valueVar
+                    print "%s    %s = xmalloc(%s * %s);" % (indent, valueVar,
+                                                            nMax, sizeof)
                 print "%s}" % indent
                 print "%s%s[row->n_%s] = %s;" % (indent, keyVar, columnName, keySrc)
                 if valueVar:
@@ -283,7 +305,15 @@ static void
         # Unparse functions.
         for columnName, column in sorted(table.columns.iteritems()):
             type = column.type
-            if (type.n_min != 1 or type.n_max != 1) and not type.is_optional_pointer():
+            if (type.key.type == ovs.db.types.BooleanType and not type.value
+                and type.n_min == 0 and type.n_max == 1):
+                print '''
+static void
+%(s)s_unparse_%(c)s(struct ovsdb_idl_row *row OVS_UNUSED)
+{
+    /* Nothing to do. */
+}''' % {'s': structName, 'c': columnName}
+            elif (type.n_min != 1 or type.n_max != 1) and not type.is_optional_pointer():
                 print '''
 static void
 %(s)s_unparse_%(c)s(struct ovsdb_idl_row *row_)
@@ -487,7 +517,11 @@ static void\n%s_columns_init(void)
     print "struct ovsdb_idl_table_class %stable_classes[%sN_TABLES] = {" % (prefix, prefix.upper())
     for tableName, table in sorted(schema.tables.iteritems()):
         structName = "%s%s" % (prefix, tableName.lower())
-        print "    {\"%s\"," % tableName
+        if table.is_root:
+            is_root = "true"
+        else:
+            is_root = "false"
+        print "    {\"%s\", %s," % (tableName, is_root)
         print "     %s_columns, ARRAY_SIZE(%s_columns)," % (
             structName, structName)
         print "     sizeof(struct %s)}," % structName
@@ -514,6 +548,7 @@ void
         print "    %s_columns_init();" % structName
     print "}"
 
+
 def ovsdb_escape(string):
     def escape(match):
         c = match.group(0)
@@ -535,8 +570,6 @@ def ovsdb_escape(string):
             return '\\x%02x' % ord(c)
     return re.sub(r'["\\\000-\037]', escape, string)
 
-
-
 def usage():
     print """\
 %(argv0)s: ovsdb schema compiler