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79 lines
2.6 KiB
Python
79 lines
2.6 KiB
Python
# decompiler.py
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#
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# Copyright 2021 James Westman <james@jwestman.net>
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#
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# This file is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as
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# published by the Free Software Foundation; either version 3 of the
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# License, or (at your option) any later version.
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#
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# This file is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# SPDX-License-Identifier: LGPL-3.0-or-later
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from . import tokenizer
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OPENING_TOKENS = ["{"]
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CLOSING_TOKENS = ["}"]
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NEWLINE_AFTER = [";", "]", "{", "}"]
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NO_WHITESPACE_BEFORE = [",", ":", ";", ")"]
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NO_WHITESPACE_AFTER = ["C_", "_", "(", "["]
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WHITESPACE_AFTER = [":", ","]
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WHITESPACE_BEFORE = ["{"]
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class Format:
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def format(data):
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indent_levels = 0
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tokens = tokenizer.tokenize(data)
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tokenized_str = ""
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last_not_whitespace = None
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for item in tokens:
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if item.type != tokenizer.TokenType.WHITESPACE:
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item_as_string = str(item)
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if item_as_string in OPENING_TOKENS:
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split_string = tokenized_str.splitlines()
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split_string.insert(-1, "")
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tokenized_str = "\n".join(split_string)
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indent_levels += 1
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elif item_as_string in CLOSING_TOKENS:
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tokenized_str = tokenized_str[:-2]
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indent_levels -= 1
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if item_as_string in WHITESPACE_BEFORE:
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tokenized_str = tokenized_str.strip() + " "
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elif (
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item_as_string in NO_WHITESPACE_BEFORE
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or str(last_not_whitespace) in NO_WHITESPACE_AFTER
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):
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tokenized_str = tokenized_str.strip()
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tokenized_str += item_as_string
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if item_as_string in NEWLINE_AFTER:
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tokenized_str += "\n"
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tokenized_str += indent_levels * " "
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elif item_as_string in WHITESPACE_AFTER:
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tokenized_str += " "
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last_not_whitespace = item
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else:
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if tokenized_str == tokenized_str.strip():
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tokenized_str += " "
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print(tokenized_str) # TODO: Remove this when the MR is ready to be merged
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return tokenized_str
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