mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-20 21:38:26 +00:00
109 lines
2.8 KiB
Python
Executable File
109 lines
2.8 KiB
Python
Executable File
#!/usr/bin/env python3
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# Generates the `trezor_message_impl!` macro calls for the `src/messages.rs` file.
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from os import path
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# Path to the `messages.proto` file
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PATH = path.abspath(path.join(__file__, "../../../../common/protob/messages.proto"))
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# Prefix of the enum variants
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PREFIX = "MessageType_"
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# Mapping of block name to feature name
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FEATURES = {
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# no features
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"Management": "default",
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"Bootloader": "default",
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"Crypto": "default",
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"Debug": "default",
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#
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"Bitcoin": "bitcoin",
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"Ethereum": "ethereum",
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#
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"Binance": "binance",
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"Cardano": "cardano",
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"EOS": "eos",
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"Monero": "monero",
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"NEM": "nem",
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"Ripple": "ripple",
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"Stellar": "stellar",
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"Tezos": "tezos",
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"WebAuthn": "webauthn",
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}
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MACRO = "trezor_message_impl"
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INDENT = "\t"
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def main():
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blocks = get_blocks()
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features = {}
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defaults = []
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for block, variants in blocks.items():
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f = FEATURES.get(block)
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if not f or f == "default":
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defaults.extend(variants)
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else:
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vs = features.get(f)
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if vs:
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vs.extend(variants)
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else:
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features[f] = variants
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items = list(features.items())
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items.sort()
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out = write_block(defaults)
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for feature, variants in items:
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if variants and feature:
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out += "\n"
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out += write_block(variants, feature)
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print(out)
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# Parse feature blocks based on comments in the `messages.proto` file
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def get_blocks() -> dict[str, list[str]]:
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blocks = {}
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current_block = ""
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with open(PATH, "r") as file:
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in_enum = False
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in_block_comment = False
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for line in file:
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line = line.strip()
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if "/*" in line:
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in_block_comment = True
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if "*/" in line:
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in_block_comment = False
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if in_block_comment:
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continue
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if line.startswith("enum MessageType {"):
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in_enum = True
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continue
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if in_enum:
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if line == "}":
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break
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if line.startswith("//"):
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comment = line.removeprefix("//").strip()
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if comment[0].isupper() and len(comment.split(" ")) == 1:
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current_block = comment
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blocks[current_block] = []
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elif line.startswith(PREFIX):
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blocks[current_block].append(line.split(" ")[0])
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return blocks
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# Writes a macro block
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def write_block(variants: list[str], feature: str = "") -> str:
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s = ""
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if feature:
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s += f'#[cfg(feature = "{feature}")]\n'
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s += f"{MACRO}! {{\n"
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for variant in variants:
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s += f"{INDENT}{variant.removeprefix(PREFIX)} => {variant},\n"
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s += "}\n"
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return s
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if __name__ == "__main__":
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main()
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