azalea/codegen/lib/code/registry.py

57 lines
2.1 KiB
Python
Executable file

from lib.utils import to_snake_case, upper_first_letter, get_dir_location, to_camel_case
from ..mappings import Mappings
from typing import Optional
import re
REGISTRIES_DIR = get_dir_location('../azalea-registry/src/lib.rs')
def generate_registries(registries: dict):
with open(REGISTRIES_DIR, 'r') as f:
code = f.read().split('\n')
for registry_name, registry in registries.items():
# registry!(Block, {
# Air => "minecraft:air",
# Stone => "minecraft:stone"
# });
if registry_name.endswith('_type'):
# change _type to _kind because that's Rustier (and because _type
# is a reserved keyword)
registry_name = registry_name[:-5] + '_kind'
registry_struct_name = to_camel_case(registry_name.split(':')[1])
registry_code = []
registry_code.append(f'enum {registry_struct_name} {{')
registry_entries = sorted(
registry['entries'].items(), key=lambda x: x[1]['protocol_id'])
for variant_name, _variant in registry_entries:
variant_struct_name = to_camel_case(
variant_name.split(':')[1])
registry_code.append(f'\t{variant_struct_name} => "{variant_name}",')
registry_code.append('}')
# when we find a "registry! {" line, find the next line that starts
# with "enum <name>" and replace that until we find a line that's "}"
found = False
in_registry_macro = False
for i, line in enumerate(list(code)):
if not in_registry_macro and line == "registry! {":
in_registry_macro = True
elif in_registry_macro and line == registry_code[0]:
# found it, now delete until we get to "}"
while code[i] != '}':
code.pop(i)
code[i] = '\n'.join(registry_code)
found = True
break
if not found:
code.append('registry! {')
code.append('\n'.join(registry_code))
code.append('}')
code.append('')
with open(REGISTRIES_DIR, 'w') as f:
f.write('\n'.join(code))