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Sat, 01 May 2021 11:51:19 -0700 (PDT) Received: from localhost.localdomain ([71.212.144.24]) by smtp.gmail.com with ESMTPSA id k17sm4971360pfa.68.2021.05.01.11.51.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 01 May 2021 11:51:19 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL 3/5] decodetree: More use of f-strings Date: Sat, 1 May 2021 11:51:14 -0700 Message-Id: <20210501185116.1338875-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210501185116.1338875-1-richard.henderson@linaro.org> References: <20210501185116.1338875-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1031; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1031.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, Luis Pires Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Reviewed-by: Luis Pires Signed-off-by: Richard Henderson --- scripts/decodetree.py | 50 ++++++++++++++++++++----------------------- 1 file changed, 23 insertions(+), 27 deletions(-) diff --git a/scripts/decodetree.py b/scripts/decodetree.py index 0861e5d503..d5da101167 100644 --- a/scripts/decodetree.py +++ b/scripts/decodetree.py @@ -59,9 +59,9 @@ def error_with_file(file, lineno, *args): prefix = '' if file: - prefix += '{0}:'.format(file) + prefix += f'{file}:' if lineno: - prefix += '{0}:'.format(lineno) + prefix += f'{lineno}:' if prefix: prefix += ' ' print(prefix, end='error: ', file=sys.stderr) @@ -203,7 +203,7 @@ def str_extract(self): extr = 'sextract32' else: extr = 'extract32' - return '{0}(insn, {1}, {2})'.format(extr, self.pos, self.len) + return f'{extr}(insn, {self.pos}, {self.len})' def __eq__(self, other): return self.sign == other.sign and self.mask == other.mask @@ -227,11 +227,11 @@ def str_extract(self): ret = '0' pos = 0 for f in reversed(self.subs): + ext = f.str_extract() if pos == 0: - ret = f.str_extract() + ret = ext else: - ret = 'deposit32({0}, {1}, {2}, {3})' \ - .format(ret, pos, 32 - pos, f.str_extract()) + ret = f'deposit32({ret}, {pos}, {32 - pos}, {ext})' pos += f.len return ret @@ -675,11 +675,11 @@ def parse_field(lineno, name, toks): subtoks = t.split(':') sign = False else: - error(lineno, 'invalid field token "{0}"'.format(t)) + error(lineno, f'invalid field token "{t}"') po = int(subtoks[0]) le = int(subtoks[1]) if po + le > insnwidth: - error(lineno, 'field {0} too large'.format(t)) + error(lineno, f'field {t} too large') f = Field(sign, po, le) subs.append(f) width += le @@ -724,9 +724,9 @@ def parse_arguments(lineno, name, toks): anyextern = True continue if not re.fullmatch(re_C_ident, t): - error(lineno, 'invalid argument set token "{0}"'.format(t)) + error(lineno, f'invalid argument set token "{t}"') if t in flds: - error(lineno, 'duplicate argument "{0}"'.format(t)) + error(lineno, f'duplicate argument "{t}"') flds.append(t) if name in arguments: @@ -895,14 +895,14 @@ def parse_generic(lineno, parent_pat, name, toks): flen = flen[1:] shift = int(flen, 10) if shift + width > insnwidth: - error(lineno, 'field {0} exceeds insnwidth'.format(fname)) + error(lineno, f'field {fname} exceeds insnwidth') f = Field(sign, insnwidth - width - shift, shift) flds = add_field(lineno, flds, fname, f) fixedbits <<= shift fixedmask <<= shift undefmask <<= shift else: - error(lineno, 'invalid token "{0}"'.format(t)) + error(lineno, f'invalid token "{t}"') width += shift if variablewidth and width < insnwidth and width % 8 == 0: @@ -914,7 +914,7 @@ def parse_generic(lineno, parent_pat, name, toks): # We should have filled in all of the bits of the instruction. elif not (is_format and width == 0) and width != insnwidth: - error(lineno, 'definition has {0} bits'.format(width)) + error(lineno, f'definition has {width} bits') # Do not check for fields overlapping fields; one valid usage # is to be able to duplicate fields via import. @@ -932,8 +932,7 @@ def parse_generic(lineno, parent_pat, name, toks): if arg: for f in flds.keys(): if f not in arg.fields: - error(lineno, 'field {0} not in argument set {1}' - .format(f, arg.name)) + error(lineno, f'field {f} not in argument set {arg.name}') else: arg = infer_argument_set(flds) if name in formats: @@ -960,13 +959,12 @@ def parse_generic(lineno, parent_pat, name, toks): arg = fmt.base for f in flds.keys(): if f not in arg.fields: - error(lineno, 'field {0} not in argument set {1}' - .format(f, arg.name)) + error(lineno, f'field {f} not in argument set {arg.name}') if f in fmt.fields.keys(): - error(lineno, 'field {0} set by format and pattern'.format(f)) + error(lineno, f'field {f} set by format and pattern') for f in arg.fields: if f not in flds.keys() and f not in fmt.fields.keys(): - error(lineno, 'field {0} not initialized'.format(f)) + error(lineno, f'field {f} not initialized') pat = Pattern(name, lineno, fmt, fixedbits, fixedmask, undefmask, fieldmask, flds, width) parent_pat.pats.append(pat) @@ -1097,7 +1095,7 @@ def parse_file(f, parent_pat): elif re.fullmatch(re_pat_ident, name): parse_generic(start_lineno, parent_pat, name, toks) else: - error(lineno, 'invalid token "{0}"'.format(name)) + error(lineno, f'invalid token "{name}"') toks = [] if nesting != 0: @@ -1131,9 +1129,8 @@ def output_code(self, i, extracted, outerbits, outermask): # If we need to load more bytes to test, do so now. if extracted < self.width: - output(ind, 'insn = ', decode_function, - '_load_bytes(ctx, insn, {0}, {1});\n' - .format(extracted // 8, self.width // 8)); + output(ind, f'insn = {decode_function}_load_bytes', + f'(ctx, insn, {extracted // 8}, {self.width // 8});\n') extracted = self.width # Attempt to aid the compiler in producing compact switch statements. @@ -1184,9 +1181,8 @@ def output_code(self, i, extracted, outerbits, outermask): # If we need to load more bytes, do so now. if extracted < self.width: - output(ind, 'insn = ', decode_function, - '_load_bytes(ctx, insn, {0}, {1});\n' - .format(extracted // 8, self.width // 8)); + output(ind, f'insn = {decode_function}_load_bytes', + f'(ctx, insn, {extracted // 8}, {self.width // 8});\n') extracted = self.width output(ind, 'return insn;\n') # end SizeLeaf @@ -1220,7 +1216,7 @@ def build_size_tree(pats, width, outerbits, outermask): for p in pats: pnames.append(p.name + ':' + p.file + ':' + str(p.lineno)) error_with_file(pats[0].file, pats[0].lineno, - 'overlapping patterns size {0}:'.format(width), pnames) + f'overlapping patterns size {width}:', pnames) bins = {} for i in pats: -- 2.25.1