mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
352 lines
11 KiB
Python
Executable File
352 lines
11 KiB
Python
Executable File
#! /usr/bin/env python3
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import random
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import re
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import os
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import getopt
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import sys
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from os import path
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ENCODING = "utf-8"
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SOURCE_FILE_PATTERN = r"\b\d+_error\b"
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def read_file(file_name):
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content = None
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_, tail = path.split(file_name)
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is_latin = tail == "invalid_utf8_sequence.sol"
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try:
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with open(file_name, "r", encoding="latin-1" if is_latin else ENCODING) as f:
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content = f.read()
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finally:
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if content == None:
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print(f"Error reading: {file_name}")
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return content
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def write_file(file_name, content):
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with open(file_name, "w", encoding=ENCODING) as f:
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f.write(content)
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def in_comment(source, pos):
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slash_slash_pos = source.rfind("//", 0, pos)
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lf_pos = source.rfind("\n", 0, pos)
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if slash_slash_pos > lf_pos:
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return True
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slash_star_pos = source.rfind("/*", 0, pos)
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star_slash_pos = source.rfind("*/", 0, pos)
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return slash_star_pos > star_slash_pos
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def find_ids_in_source_file(file_name, id_to_file_names):
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source = read_file(file_name)
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for m in re.finditer(SOURCE_FILE_PATTERN, source):
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if in_comment(source, m.start()):
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continue
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underscore_pos = m.group(0).index("_")
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id = m.group(0)[0:underscore_pos]
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if id in id_to_file_names:
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id_to_file_names[id].append(file_name)
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else:
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id_to_file_names[id] = [file_name]
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def find_ids_in_source_files(file_names):
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"""Returns a dictionary with list of source files for every appearance of every id"""
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id_to_file_names = {}
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for file_name in file_names:
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find_ids_in_source_file(file_name, id_to_file_names)
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return id_to_file_names
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def get_next_id(available_ids):
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assert len(available_ids) > 0, "Out of IDs"
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next_id = random.choice(list(available_ids))
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available_ids.remove(next_id)
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return next_id
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def fix_ids_in_source_file(file_name, id_to_count, available_ids):
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source = read_file(file_name)
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k = 0
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destination = []
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for m in re.finditer(SOURCE_FILE_PATTERN, source):
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destination.extend(source[k:m.start()])
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underscore_pos = m.group(0).index("_")
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id = m.group(0)[0:underscore_pos]
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# incorrect id or id has a duplicate somewhere
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if not in_comment(source, m.start()) and (len(id) != 4 or id[0] == "0" or id_to_count[id] > 1):
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assert id in id_to_count
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new_id = get_next_id(available_ids)
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assert new_id not in id_to_count
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id_to_count[id] -= 1
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else:
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new_id = id
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destination.extend(new_id + "_error")
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k = m.end()
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destination.extend(source[k:])
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destination = ''.join(destination)
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if source != destination:
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write_file(file_name, destination)
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print(f"Fixed file: {file_name}")
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def fix_ids_in_source_files(file_names, id_to_count):
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"""
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Fixes ids in given source files;
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id_to_count contains number of appearances of every id in sources
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"""
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available_ids = {str(id) for id in range(1000, 10000)} - id_to_count.keys()
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for file_name in file_names:
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fix_ids_in_source_file(file_name, id_to_count, available_ids)
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def find_files(top_dir, sub_dirs, extensions):
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"""Builds a list of files with given extensions in specified subdirectories"""
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source_file_names = []
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for dir in sub_dirs:
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for root, _, file_names in os.walk(os.path.join(top_dir, dir), onerror=lambda e: exit(f"Walk error: {e}")):
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for file_name in file_names:
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_, ext = path.splitext(file_name)
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if ext in extensions:
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source_file_names.append(path.join(root, file_name))
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return source_file_names
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def find_ids_in_test_file(file_name):
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source = read_file(file_name)
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pattern = r"^// (.*Error|Warning) \d\d\d\d:"
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return {m.group(0)[-5:-1] for m in re.finditer(pattern, source, flags=re.MULTILINE)}
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def find_ids_in_test_files(file_names):
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"""Returns a set containing all ids in tests"""
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ids = set()
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for file_name in file_names:
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ids |= find_ids_in_test_file(file_name)
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return ids
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def find_ids_in_cmdline_test_err(file_name):
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source = read_file(file_name)
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pattern = r' \(\d\d\d\d\):'
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return {m.group(0)[-6:-2] for m in re.finditer(pattern, source, flags=re.MULTILINE)}
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def print_ids(ids):
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for k, id in enumerate(sorted(ids)):
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if k % 10 > 0:
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print(" ", end="")
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elif k > 0:
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print()
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print(id, end="")
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def print_ids_per_file(ids, id_to_file_names, top_dir):
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file_name_to_ids = {}
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for id in ids:
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for file_name in id_to_file_names[id]:
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relpath = path.relpath(file_name, top_dir)
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if relpath not in file_name_to_ids:
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file_name_to_ids[relpath] = []
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file_name_to_ids[relpath].append(id)
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for file_name in sorted(file_name_to_ids):
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print(file_name)
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for id in sorted(file_name_to_ids[file_name]):
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print(f" {id}", end="")
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print()
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def examine_id_coverage(top_dir, source_id_to_file_names, new_ids_only=False):
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test_sub_dirs = [
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path.join("test", "libsolidity", "errorRecoveryTests"),
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path.join("test", "libsolidity", "smtCheckerTests"),
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path.join("test", "libsolidity", "syntaxTests"),
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path.join("test", "libyul", "yulSyntaxTests")
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]
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test_file_names = find_files(
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top_dir,
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test_sub_dirs,
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[".sol", ".yul"]
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)
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source_ids = source_id_to_file_names.keys()
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test_ids = find_ids_in_test_files(test_file_names)
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# special case, we are interested in warnings which are ignored by regular tests:
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# Warning (1878): SPDX license identifier not provided in source file. ....
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# Warning (3420): Source file does not specify required compiler version!
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test_ids |= find_ids_in_cmdline_test_err(path.join(top_dir, "test", "cmdlineTests", "error_codes", "err"))
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# white list of ids which are not covered by tests
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white_ids = {
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"9804", # Tested in test/libyul/ObjectParser.cpp.
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"1544",
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"2674",
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"6367",
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"8387",
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"3805", # "This is a pre-release compiler version, please do not use it in production."
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# The warning may or may not exist in a compiler build.
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"4591", # "There are more than 256 warnings. Ignoring the rest."
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# Due to 3805, the warning lists look different for different compiler builds.
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"1834", # Unimplemented feature error, as we do not test it anymore via cmdLineTests
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"5430" # basefee being used in inline assembly for EVMVersion < london
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}
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assert len(test_ids & white_ids) == 0, "The sets are not supposed to intersect"
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test_ids |= white_ids
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test_only_ids = test_ids - source_ids
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source_only_ids = source_ids - test_ids
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if not new_ids_only:
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print(f"IDs in source files: {len(source_ids)}")
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print(f"IDs in test files : {len(test_ids)} ({len(test_ids) - len(source_ids)})")
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print()
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if len(test_only_ids) != 0:
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print("Error. The following error codes found in tests, but not in sources:")
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print_ids(test_only_ids)
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return False
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if len(source_only_ids) != 0:
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print("The following error codes found in sources, but not in tests:")
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print_ids_per_file(source_only_ids, source_id_to_file_names, top_dir)
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print("\n\nPlease make sure to add appropriate tests.")
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return False
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old_source_only_ids = {
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"1584", "1823",
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"1988", "2066", "3356",
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"3893", "3996", "4010", "4802",
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"5272", "5622", "7128", "7400",
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"7589", "7593", "7649", "7710",
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"8065", "8084", "8140",
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"8312", "8592", "9134", "9609",
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}
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new_source_only_ids = source_only_ids - old_source_only_ids
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if len(new_source_only_ids) != 0:
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print("The following new error code(s), not covered by tests, found:")
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print_ids(new_source_only_ids)
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print(
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"\nYou can:\n"
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"- create appropriate test(s);\n"
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"- add the error code(s) to old_source_only_ids in error_codes.py\n"
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" (to silence the checking script, with a promise to add a test later);\n"
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"- add the error code(s) to white_ids in error_codes.py\n"
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" (for rare cases when the error is not supposed to be tested)"
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)
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return False
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return True
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def main(argv):
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# pylint: disable=too-many-branches, too-many-locals, too-many-statements
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check = False
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fix = False
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no_confirm = False
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examine_coverage = False
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next_id = False
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opts, args = getopt.getopt(argv, "", ["check", "fix", "no-confirm", "examine-coverage", "next"])
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for opt, arg in opts:
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if opt == "--check":
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check = True
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elif opt == "--fix":
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fix = True
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elif opt == "--no-confirm":
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no_confirm = True
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elif opt == "--examine-coverage":
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examine_coverage = True
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elif opt == "--next":
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next_id = True
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if [check, fix, examine_coverage, next_id].count(True) != 1:
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print("usage: python error_codes.py --check | --fix [--no-confirm] | --examine-coverage | --next")
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exit(1)
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cwd = os.getcwd()
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source_file_names = find_files(
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cwd,
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["libevmasm", "liblangutil", "libsolc", "libsolidity", "libsolutil", "libyul", "solc"],
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[".h", ".cpp"]
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)
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source_id_to_file_names = find_ids_in_source_files(source_file_names)
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ok = True
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for id in sorted(source_id_to_file_names):
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if len(id) != 4:
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print(f"ID {id} length != 4")
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ok = False
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if id[0] == "0":
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print(f"ID {id} starts with zero")
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ok = False
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if len(source_id_to_file_names[id]) > 1:
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print(f"ID {id} appears {len(source_id_to_file_names[id])} times")
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ok = False
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if examine_coverage:
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if not ok:
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print("Incorrect IDs have to be fixed before applying --examine-coverage")
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exit(1)
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res = 0 if examine_id_coverage(cwd, source_id_to_file_names) else 1
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exit(res)
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ok &= examine_id_coverage(cwd, source_id_to_file_names, new_ids_only=True)
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random.seed()
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if next_id:
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if not ok:
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print("Incorrect IDs have to be fixed before applying --next")
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exit(1)
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available_ids = {str(id) for id in range(1000, 10000)} - source_id_to_file_names.keys()
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next_id = get_next_id(available_ids)
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print(f"Next ID: {next_id}")
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exit(0)
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if ok:
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print("No incorrect IDs found")
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exit(0)
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if check:
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exit(1)
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assert fix, "Unexpected state, should not come here without --fix"
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if not no_confirm:
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answer = input(
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"\nDo you want to fix incorrect IDs?\n"
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"Please commit current changes first, and review the results when the script finishes.\n"
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"[Y/N]? "
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)
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while len(answer) == 0 or answer not in "YNyn":
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answer = input("[Y/N]? ")
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if answer not in "yY":
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exit(1)
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# number of appearances for every id
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source_id_to_count = { id: len(file_names) for id, file_names in source_id_to_file_names.items() }
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fix_ids_in_source_files(source_file_names, source_id_to_count)
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print("Fixing completed")
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exit(2)
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if __name__ == "__main__":
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main(sys.argv[1:])
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