mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-25 07:48:10 +00:00
247 lines
8.0 KiB
Python
Executable File
247 lines
8.0 KiB
Python
Executable File
#!/usr/bin/env python3
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"""
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Compare the mock python API with the real Rust one.
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"""
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from __future__ import annotations
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import re
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from pathlib import Path
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HERE = Path(__file__).parent
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CORE_DIR = HERE.parent
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TT_FILE = CORE_DIR / "embed/rust/src/ui/model_tt/layout.rs"
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TR_FILE = CORE_DIR / "embed/rust/src/ui/model_tr/layout.rs"
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ALL_FILES = [
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TT_FILE,
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TR_FILE,
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]
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# These are functions not defined directly in layout.rs
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RUST_EXTERNAL_FUNCTIONS = [
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"disable_animation",
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"jpeg_info",
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"jpeg_test",
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]
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# These functions do not directly proccess upy arguments
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RUST_DELEGATING_FUNCTIONS = [
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"new_show_success",
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"new_show_warning",
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"new_show_error",
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"new_show_info",
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]
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def _get_all_functions_with_definitions(file: Path) -> dict[str, str]:
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all_functions: dict[str, str] = {}
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with open(file, "r") as f:
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lines = f.readlines()
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func_name: str | None = None
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definition_lines: list[str] = []
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for line in lines:
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# Function name
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func_match = re.search(r'^extern "C" fn (\w+)', line)
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if func_match:
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func_name = func_match.group(1)
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continue
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if not func_name:
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continue
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# Saving the line
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definition_lines.append(line.rstrip())
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# End of definition - save and reset
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if line.startswith("}"):
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if func_name:
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all_functions[func_name] = "\n".join(definition_lines)
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func_name = None
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definition_lines = []
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continue
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return all_functions
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def _get_all_qstr_code_types(file: Path) -> dict[str, dict[str, str]]:
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all_function_defs = _get_all_functions_with_definitions(file)
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all_qstr_defs: dict[str, dict[str, str]] = {}
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for func_name, func_def in all_function_defs.items():
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qstr_defs: dict[str, str] = {}
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one_separated_line: list[str] = []
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for line in func_def.splitlines():
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one_separated_line.append(line.strip())
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if not line.endswith(";"):
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continue
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one_line = "".join(one_separated_line)
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one_separated_line = []
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qstr_match = re.search(r"MP_QSTR_(\w+)", one_line)
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if not qstr_match:
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continue
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qstr_name = qstr_match.group(1)
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rust_match = re.search(r"let (\w+): (.*?) =", one_line)
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if not rust_match:
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raise ValueError("No Rust type found")
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rust_type = rust_match.group(2)
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if rust_type == "Obj":
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# Cannot get the exact type
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upy_type = "Any"
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else:
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upy_type = rust_type
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# There could be a default value
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default = None
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if "unwrap_or_else" in one_line:
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default_match = re.search(r"unwrap_or_else\(\|_?\|\s+(.*?)\)", one_line)
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if default_match:
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default = default_match.group(1)
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else:
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raise ValueError("No default value found")
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elif "kwargs.get_or(" in one_line:
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default_match = re.search(
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r"kwargs.get_or\(Qstr::MP_QSTR_\w+, (.*?)\)", one_line
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)
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if default_match:
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default = default_match.group(1)
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else:
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raise ValueError("No default value found")
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option_match = re.match(r"Option<(.*)>", upy_type)
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if option_match:
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upy_type = option_match.group(1)
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upy_type = f"{upy_type} | None"
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gc_match = re.match(r"Gc<(.*)>", upy_type)
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if gc_match:
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upy_type = gc_match.group(1)
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upy_type = upy_type.replace("StrBuffer", "str")
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upy_type = upy_type.replace("List", "list")
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if re.match(r"^[ui]\d+$", upy_type) or upy_type == "usize":
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upy_type = "int"
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if default:
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if "const_none" in default:
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default = "None"
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elif default in ("true", "false"):
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default = default.capitalize()
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elif ".into(" in default:
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default = default.split(".into(")[0]
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elif "StrBuffer::empty" in default:
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default = '""'
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upy_type += f" = {default}"
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qstr_defs[qstr_name] = upy_type
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all_qstr_defs[func_name] = qstr_defs
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return all_qstr_defs
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def _get_all_upy_types(file: Path) -> dict[str, dict[str, str]]:
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all_functions: dict[str, dict[str, str]] = {}
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with open(file, "r") as f:
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lines = f.readlines()
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func_name: str | None = None
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definition_lines: list[str] = []
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for line in lines:
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line = line.strip()
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# Function name
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func_match = re.search(r"^/// def (\w+)\(", line)
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if func_match:
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func_name = func_match.group(1)
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continue
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if not func_name:
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continue
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# Saving the line
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definition_lines.append(line)
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# End of definition - save and reset
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if line.startswith("Qstr::MP_QSTR_"):
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if func_name:
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if f"new_{func_name}" in line:
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func_name = f"new_{func_name}"
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def_text = "\n".join(definition_lines)
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var_names_and_types = re.findall(r"(\w+): ([^#]*?)[,\n]", def_text)
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all_functions[func_name] = {
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name: type for name, type in var_names_and_types
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}
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unused_args: list[str] = []
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for def_l in definition_lines:
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if "# unused" in def_l:
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unused_match = re.search(r"(\w+):", def_l)
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if unused_match:
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unused_args.append(unused_match.group(1))
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all_functions[func_name]["_unused_args"] = unused_args # type: ignore
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func_name = None
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definition_lines = []
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continue
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return all_functions
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def check_file(file: Path) -> None:
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all_rust_types = _get_all_qstr_code_types(file)
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all_upy_types = _get_all_upy_types(file)
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# Find discrepancies between these types
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for func_name, rust_types in all_rust_types.items():
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upy_types = all_upy_types.get(func_name)
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if upy_types is None:
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print(f"Missing upy function {func_name}")
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continue
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unused_args = upy_types.get("_unused_args", [])
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for qstr_name, rust_type in rust_types.items():
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upy_type = upy_types.get(qstr_name)
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if not upy_type:
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print(f"Missing upy argument {qstr_name} in {func_name} ({rust_type})")
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continue
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if upy_type and qstr_name in unused_args:
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print(f"Argument {qstr_name} marked as unused but used in {func_name}")
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if rust_type != upy_type:
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if rust_type == "Any":
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continue
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if rust_type == "list" and upy_type.startswith("list"):
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continue
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print(f"Discrepancy in {func_name} {qstr_name}:")
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print(f" Rust: {rust_type}")
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print(f" Upy: {upy_type}")
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# Find things missing in Rust
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for func_name, upy_types in all_upy_types.items():
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rust_types = all_rust_types.get(func_name)
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if rust_types is None:
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if func_name in RUST_EXTERNAL_FUNCTIONS:
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continue
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print(f"Missing Rust function {func_name}")
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continue
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unused_args = upy_types.get("_unused_args", [])
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for qstr_name, upy_type in upy_types.items():
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if qstr_name == "_unused_args":
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continue
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rust_type = rust_types.get(qstr_name)
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if not rust_type and qstr_name not in unused_args:
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if func_name in RUST_DELEGATING_FUNCTIONS:
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continue
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print(f"Not parsing argument {qstr_name} in {func_name}")
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continue
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def main() -> None:
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for file in ALL_FILES:
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print(f"Checking {file}")
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check_file(file)
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if __name__ == "__main__":
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main()
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