mirror of
https://github.com/bminor/binutils-gdb.git
synced 2025-12-06 07:33:08 +00:00
8ecfa4e5f8
flake8 7.2.0 appears to have this new warning:
F824: global name / nonlocal name is unused: name is never assigned in scope
It points out a few places in our code base where "global" is not
necessary, fix them.
Change-Id: Ia6fb08686977559726fefe2a5bb95d8dcb298bb0
Approved-By: Tom Tromey <tom@tromey.com>
105 lines
3.6 KiB
Python
105 lines
3.6 KiB
Python
# Styling related hooks.
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# Copyright (C) 2010-2025 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""Utilities for styling."""
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import gdb
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try:
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from pygments import formatters, highlight, lexers
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from pygments.filters import TokenMergeFilter
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from pygments.token import Comment, Error, Text
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from pygments.util import ClassNotFound
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_formatter = None
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def get_formatter():
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global _formatter
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if _formatter is None:
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_formatter = formatters.TerminalFormatter()
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return _formatter
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def colorize(filename, contents, lang):
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# Don't want any errors.
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try:
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try:
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lexer = lexers.get_lexer_by_name(lang, stripnl=False)
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except ClassNotFound:
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lexer = lexers.get_lexer_for_filename(filename, stripnl=False)
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formatter = get_formatter()
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return highlight(contents, lexer, formatter).encode(
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gdb.host_charset(), "backslashreplace"
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)
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except Exception:
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return None
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class HandleNasmComments(TokenMergeFilter):
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@staticmethod
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def fix_comments(lexer, stream):
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in_comment = False
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for ttype, value in stream:
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if ttype is Error and value == "#":
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in_comment = True
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if in_comment:
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if ttype is Text and value == "\n":
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in_comment = False
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else:
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ttype = Comment.Single
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yield ttype, value
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def filter(self, lexer, stream):
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f = HandleNasmComments.fix_comments
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return super().filter(lexer, f(lexer, stream))
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_asm_lexers = {}
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def __get_asm_lexer(gdbarch):
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lexer_type = "asm"
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try:
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# For an i386 based architecture, in 'intel' mode, use the nasm
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# lexer.
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flavor = gdb.parameter("disassembly-flavor")
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if flavor == "intel" and gdbarch.name()[:4] == "i386":
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lexer_type = "nasm"
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except Exception:
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# If GDB is built without i386 support then attempting to fetch
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# the 'disassembly-flavor' parameter will throw an error, which we
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# ignore.
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pass
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if lexer_type not in _asm_lexers:
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_asm_lexers[lexer_type] = lexers.get_lexer_by_name(lexer_type)
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_asm_lexers[lexer_type].add_filter(HandleNasmComments())
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_asm_lexers[lexer_type].add_filter("raiseonerror")
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return _asm_lexers[lexer_type]
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def colorize_disasm(content, gdbarch):
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# Don't want any errors.
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try:
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lexer = __get_asm_lexer(gdbarch)
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formatter = get_formatter()
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return highlight(content, lexer, formatter).rstrip().encode()
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except Exception:
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return content
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except ImportError:
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def colorize(filename, contents, lang):
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return None
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def colorize_disasm(content, gdbarch):
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return None
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