Matija Kecman
ee8dbd4347
PiperOrigin-RevId: 834725472 Change-Id: I278447145cd8dcdd145f0d50bc3bae649ea2b440
47 lines
1.6 KiB
Python
47 lines
1.6 KiB
Python
# Copyright 2025 DeepMind Technologies Limited
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Generates Embind bindings for MuJoCo enums."""
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from typing import Mapping
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from introspect import ast_nodes
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from wasm.codegen.generators import code_builder
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class Generator:
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"""Generates Embind code for MuJoCo enums."""
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def __init__(self, enums: Mapping[str, ast_nodes.EnumDecl]):
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self.enums = enums
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def generate(self) -> list[tuple[str, list[str]]]:
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"""Generates all Embind code for the provided enums."""
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builder = code_builder.CodeBuilder()
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with builder.block('EMSCRIPTEN_BINDINGS(mujoco_enums)'):
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for e in self.enums.values():
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if e.values: # Skip empty enums.
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with builder.block(f'enum_<{e.name}>("{e.name}")', braces=False):
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names = list(e.values.keys())
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for name in names[:-1]:
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builder.line(f'.value("{name}", {name})')
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builder.line(f'.value("{names[-1]}", {names[-1]});')
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builder.newline()
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content = builder.to_string()
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marker = '// {{ ENUM_BINDINGS }}'
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return [(marker, [content])]
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