1 // Copyright 2017-2019 VMware, Inc.
2 // SPDX-License-Identifier: BSD-2-Clause
3 //
4 // The BSD-2 license (the License) set forth below applies to all parts of the
5 // Cascade project. You may not use this file except in compliance with the
6 // License.
7 //
8 // BSD-2 License
9 //
10 // Redistribution and use in source and binary forms, with or without
11 // modification, are permitted provided that the following conditions are met:
12 //
13 // 1. Redistributions of source code must retain the above copyright notice, this
14 // list of conditions and the following disclaimer.
15 //
16 // 2. Redistributions in binary form must reproduce the above copyright notice,
17 // this list of conditions and the following disclaimer in the documentation
18 // and/or other materials provided with the distribution.
19 //
20 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND
21 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
22 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
23 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
24 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
26 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
27 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
28 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30
31 #include "verilog/transform/delete_initial.h"
32
33 #include "verilog/ast/ast.h"
34 #include "verilog/analyze/module_info.h"
35 #include "verilog/analyze/navigate.h"
36 #include "verilog/analyze/resolve.h"
37
38 namespace cascade {
39
DeleteInitial()40 DeleteInitial::DeleteInitial() : Editor() { }
41
run(ModuleDeclaration * md)42 void DeleteInitial::run(ModuleDeclaration* md) {
43 for (auto i = md->begin_items(); i != md->end_items();) {
44 if ((*i)->is(Node::Tag::initial_construct)) {
45 i = md->purge_items(i);
46 continue;
47 }
48 ++i;
49 }
50
51 Resolve().invalidate(md);
52 Navigate(md).invalidate();
53 ModuleInfo(md).invalidate();
54 }
55
56 } // namespace cascade
57