Filter: index array, sequences, implement bitwise binary operators

[lttng-tools.git] / src / lib / lttng-ctl / filter / filter-visitor-set-parent.c

diff --git a/src/lib/lttng-ctl/filter/filter-visitor-set-parent.c b/src/lib/lttng-ctl/filter/filter-visitor-set-parent.c
deleted file mode 100644 (file)
index 458688d..0000000
--- a/src/lib/lttng-ctl/filter/filter-visitor-set-parent.c
+++ /dev/null
@@ -1,149 +0,0 @@
-/*
- * filter-visitor-set-parent.c
- *
- * LTTng filter set parent visitor
- *
- * Copyright 2012 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License, version 2.1 only,
- * as published by the Free Software Foundation.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <stdio.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdlib.h>
-#include <assert.h>
-#include <errno.h>
-#include <inttypes.h>
-#include "filter-ast.h"
-#include "filter-parser.h"
-
-#include <common/macros.h>
-
-static
-int update_child(struct filter_node *parent,
-               struct filter_node *old_child,
-               struct filter_node *new_child)
-{
-       if (!parent) {
-               fprintf(stderr, "[error] %s: NULL parent\n", __func__);
-               return -EINVAL;
-       }
-
-       switch (parent->type) {
-       case NODE_UNKNOWN:
-       default:
-               fprintf(stderr, "[error] %s: unknown node type\n", __func__);
-               return -EINVAL;
-       case NODE_ROOT:
-               assert(parent->u.root.child == old_child);
-               parent->u.root.child = new_child;
-               break;
-       case NODE_EXPRESSION:
-               assert(parent->u.expression.type == AST_EXP_NESTED);
-               assert(parent->u.expression.u.child == old_child);
-               parent->u.expression.u.child = new_child;
-               break;
-       case NODE_OP:
-               assert(parent->u.op.lchild == old_child ||
-                       parent->u.op.rchild == old_child);
-               if (parent->u.op.lchild == old_child)
-                       parent->u.op.lchild = new_child;
-               else
-                       parent->u.op.rchild = new_child;
-               break;
-       case NODE_UNARY_OP:
-               assert(parent->u.unary_op.child == old_child);
-               parent->u.unary_op.child = new_child;
-               break;
-       }
-       return 0;
-}
-
-static
-int recursive_visit_set_parent(struct filter_node *node,
-                       struct filter_node *parent)
-{
-       int ret;
-
-       if (!node) {
-               fprintf(stderr, "[error] %s: NULL child\n", __func__);
-               return -EINVAL;
-       }
-       node->parent = parent;
-       switch (node->type) {
-       case NODE_UNKNOWN:
-       default:
-               fprintf(stderr, "[error] %s: unknown node type\n", __func__);
-               return -EINVAL;
-       case NODE_ROOT:
-               assert(parent == NULL);
-               return recursive_visit_set_parent(node->u.root.child, node);
-       case NODE_EXPRESSION:
-               switch (node->u.expression.type) {
-               case AST_EXP_UNKNOWN:
-               default:
-                       fprintf(stderr, "[error] %s: unknown expression type\n", __func__);
-                       return -EINVAL;
-               case AST_EXP_NESTED:
-                       return recursive_visit_set_parent(node->u.expression.u.child, node);
-               case AST_EXP_IDENTIFIER:        /* fall-through */
-               case AST_EXP_GLOBAL_IDENTIFIER:
-                       {
-                               struct filter_node *orig_node = node;
-
-                               while (node->u.expression.prev) {
-                                       struct filter_node *prev;
-
-                                       prev = node->u.expression.prev;
-                                       if (prev->type != NODE_EXPRESSION ||
-                                               (prev->u.expression.type != AST_EXP_IDENTIFIER
-                                               && prev->u.expression.type != AST_EXP_GLOBAL_IDENTIFIER)) {
-                                               fprintf(stderr, "[error] %s: expecting identifier before link\n", __func__);
-                                               return -EINVAL;
-                                       }
-
-                                       prev->u.expression.next = node;
-                                       prev->u.expression.pre_op =
-                                               node->u.expression.post_op;
-                                       prev->parent = node->parent;
-                                       node = prev;
-                               }
-                               /* Set first child as forward */
-                               ret = update_child(parent, orig_node, node);
-                               if (ret)
-                                       return ret;
-                       }
-               case AST_EXP_CONSTANT:
-               case AST_EXP_FLOAT_CONSTANT:
-               case AST_EXP_STRING:
-                       break;
-               }
-               break;
-       case NODE_OP:
-               ret = recursive_visit_set_parent(node->u.op.lchild, node);
-               if (ret)
-                       return ret;
-               return recursive_visit_set_parent(node->u.op.rchild, node);
-       case NODE_UNARY_OP:
-               return recursive_visit_set_parent(node->u.unary_op.child, node);
-       }
-       return 0;
-}
-
-LTTNG_HIDDEN
-int filter_visitor_set_parent(struct filter_parser_ctx *ctx)
-{
-       return recursive_visit_set_parent(&ctx->ast->root, NULL);
-}