diff options
author | Marek Gradzki <mgradzki@cisco.com> | 2018-02-09 13:42:12 +0100 |
---|---|---|
committer | Neale Ranns <nranns@cisco.com> | 2018-03-02 15:22:34 +0000 |
commit | a51ccb5bb56fad29f68f9acafd458fada69bd825 (patch) | |
tree | c155c143fc1289ab33d48abbe4d7fba8f88add1b /src/vpp-api/java/jvpp/gen/jvppgen/jvpp_common_gen.py | |
parent | 371ca50a74a9c4f1b74c4c1b65c6fdec610fcfc3 (diff) |
jvpp: object model for jvpp generator (VPP-1184)
Introduces JSON parser which builds object model of Java API.
Also rewrites JNI translation of typedefs
to use per type translation functions
instead of code inlining.
Not covered:
- integrate with vappigen plugin (VPP-1154) or vapi parser (VPP-1155)
- use better templating engine (VPP-480)
- improvements of generator structure (e.g. VPP-1186)
Change-Id: I9e12d76c2f3c6ee041669f58e8a37917f656aa90
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>
Diffstat (limited to 'src/vpp-api/java/jvpp/gen/jvppgen/jvpp_common_gen.py')
-rwxr-xr-x | src/vpp-api/java/jvpp/gen/jvppgen/jvpp_common_gen.py | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/vpp-api/java/jvpp/gen/jvppgen/jvpp_common_gen.py b/src/vpp-api/java/jvpp/gen/jvppgen/jvpp_common_gen.py new file mode 100755 index 00000000000..73615ca7178 --- /dev/null +++ b/src/vpp-api/java/jvpp/gen/jvppgen/jvpp_common_gen.py @@ -0,0 +1,112 @@ +#!/usr/bin/env python2 +# +# Copyright (c) 2018 Cisco and/or its affiliates. +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at: +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +from string import Template + +from jvpp_model import is_array + + +def generate_fields(fields): + return "\n".join(_FIELD_TEMPLATE.substitute(type=f.type.java_name_fqn, name=f.java_name) for f in fields) + +_FIELD_TEMPLATE = Template(""" public $type $name;""") + + +def generate_hash_code(fields): + if len(fields) == 1 and is_array(fields[0]): + return _HASH_CODE_SINGLE_ARRAY_TEMPLATE.substitute(array_field=fields[0].java_name) + return _HASH_CODE_TEMPLATE.substitute(fields=", ".join(f.java_name for f in fields)) + +_HASH_CODE_TEMPLATE = Template(""" + @Override + @io.fd.vpp.jvpp.coverity.SuppressFBWarnings("UWF_UNWRITTEN_PUBLIC_OR_PROTECTED_FIELD") + public int hashCode() { + return java.util.Objects.hash($fields); + }""") + +_HASH_CODE_SINGLE_ARRAY_TEMPLATE = Template(""" + @Override + @io.fd.vpp.jvpp.coverity.SuppressFBWarnings("UWF_UNWRITTEN_PUBLIC_OR_PROTECTED_FIELD") + public int hashCode() { + return java.util.Arrays.hashCode($array_field); + }""") + + +def generate_equals(class_name, fields): + comparisons = [] + for f in fields: + if is_array(f): + comparisons.append(_EQUALS_ARRAY_FIELD_TEMPLATE.substitute(field_name=f.java_name)) + else: + comparisons.append(_EQUALS_FIELD_TEMPLATE.substitute(field_name=f.java_name)) + + if comparisons: + comparisons.insert(0, _EQUALS_OTHER_TEMPLATE.substitute(cls_name=class_name)) + return _EQUALS_TEMPLATE.substitute(comparisons="\n".join(comparisons)) + +_EQUALS_TEMPLATE = Template(""" + @Override + public boolean equals(final Object o) { + if (this == o) { + return true; + } + if (o == null || getClass() != o.getClass()) { + return false; + } +$comparisons + + return true; + }""") + +_EQUALS_OTHER_TEMPLATE = Template(""" + final $cls_name other = ($cls_name) o; +""") + +_EQUALS_FIELD_TEMPLATE = Template(""" if (!java.util.Objects.equals(this.$field_name, other.$field_name)) { + return false; + }""") + +_EQUALS_ARRAY_FIELD_TEMPLATE = Template(""" if (!java.util.Arrays.equals(this.$field_name, other.$field_name)) { + return false; + }""") + + +def generate_to_string(class_name, fields): + to_string = [] + for f in fields: + if is_array(f): + to_string.append(_TO_STRING_ARRAY_FIELD_TEMPLATE.substitute(field_name=f.java_name)) + else: + to_string.append(_TO_STRING_FIELD_TEMPLATE.substitute(field_name=f.java_name)) + + to_string_fields = " \"}\";" + if to_string: + to_string_fields = " + \", \" +\n".join(to_string) + " + \"}\";" + + return _TO_STRING_TEMPLATE.substitute( + class_name=class_name, + to_string_fields=to_string_fields + ) + +_TO_STRING_TEMPLATE = Template(""" + @Override + public String toString() { + return "$class_name{" + +$to_string_fields + }""") + +_TO_STRING_FIELD_TEMPLATE = Template(""" \"$field_name=\" + $field_name""") + +_TO_STRING_ARRAY_FIELD_TEMPLATE = Template( + """ \"$field_name=\" + java.util.Arrays.toString($field_name)""") |