Files
Mujoco_WASM/wasm/codegen/generators/binding_builder.py
T
Google DeepMind 095608ef5f Make a bindings.h header file with the declarations, so that other projects can reuse the declared structs.
Add parseXMLString overload that supports passing in an MjVFS.

PiperOrigin-RevId: 940579266
Change-Id: I8294988bc4279e80795fab21024f64562a9e6743
2026-06-30 11:57:50 -07:00

76 lines
2.5 KiB
Python

# Copyright 2025 DeepMind Technologies Limited
#
# 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 introspect import enums as introspect_enums
from introspect import functions as introspect_functions
from wasm.codegen.generators import common
from wasm.codegen.generators import constants
from wasm.codegen.generators import enums
from wasm.codegen.generators import functions
from wasm.codegen.generators import structs
class BindingBuilder:
"""Builds WASM bindings for MuJoCo."""
def __init__(self):
self.markers_and_content = []
def set_enums(self):
"""Generates and sets the enum bindings."""
self.markers_and_content += enums.generate(
list(introspect_enums.ENUMS.values())
)
return self
def set_structs(self):
"""Generates and sets the struct bindings."""
self.markers_and_content += structs.generate(constants.STRUCTS_TO_BIND)
return self
def set_functions(self):
"""Generates and sets the function wrappers and bindings."""
functions_to_bind = []
for name, func in introspect_functions.FUNCTIONS.items():
if not functions.is_excluded_function_name(name):
functions_to_bind.append(func)
self.markers_and_content += functions.generate(functions_to_bind)
return self
def build_string(self, template_path: str) -> str:
"""Applies the accumulated bindings to a template file and returns the output."""
with open(template_path, "r") as f:
content = f.readlines()
for marker, lines in self.markers_and_content:
content = common.replace_lines_containing_marker(
content, marker, lines
)
text = "".join(content)
text = text.replace(
"// limitations under the License.\n\n",
"// limitations under the License.\n\n// DO NOT EDIT. THIS FILE IS AUTOMATICALLY GENERATED.\n\n",
1,
)
return text
def build_file(self, template_path: str, generated_path: str):
"""Applies the accumulated bindings to a template file and writes the output."""
text = self.build_string(template_path)
common.write_to_file(generated_path, text)