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charset="utf-8" Signed-off-by: Richard Henderson Reviewed-by: Luis Pires Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- 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): =20 prefix =3D '' if file: - prefix +=3D '{0}:'.format(file) + prefix +=3D f'{file}:' if lineno: - prefix +=3D '{0}:'.format(lineno) + prefix +=3D f'{lineno}:' if prefix: prefix +=3D ' ' print(prefix, end=3D'error: ', file=3Dsys.stderr) @@ -203,7 +203,7 @@ def str_extract(self): extr =3D 'sextract32' else: extr =3D 'extract32' - return '{0}(insn, {1}, {2})'.format(extr, self.pos, self.len) + return f'{extr}(insn, {self.pos}, {self.len})' =20 def __eq__(self, other): return self.sign =3D=3D other.sign and self.mask =3D=3D other.mask @@ -227,11 +227,11 @@ def str_extract(self): ret =3D '0' pos =3D 0 for f in reversed(self.subs): + ext =3D f.str_extract() if pos =3D=3D 0: - ret =3D f.str_extract() + ret =3D ext else: - ret =3D 'deposit32({0}, {1}, {2}, {3})' \ - .format(ret, pos, 32 - pos, f.str_extract()) + ret =3D f'deposit32({ret}, {pos}, {32 - pos}, {ext})' pos +=3D f.len return ret =20 @@ -675,11 +675,11 @@ def parse_field(lineno, name, toks): subtoks =3D t.split(':') sign =3D False else: - error(lineno, 'invalid field token "{0}"'.format(t)) + error(lineno, f'invalid field token "{t}"') po =3D int(subtoks[0]) le =3D int(subtoks[1]) if po + le > insnwidth: - error(lineno, 'field {0} too large'.format(t)) + error(lineno, f'field {t} too large') f =3D Field(sign, po, le) subs.append(f) width +=3D le @@ -724,9 +724,9 @@ def parse_arguments(lineno, name, toks): anyextern =3D 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) =20 if name in arguments: @@ -895,14 +895,14 @@ def parse_generic(lineno, parent_pat, name, toks): flen =3D flen[1:] shift =3D int(flen, 10) if shift + width > insnwidth: - error(lineno, 'field {0} exceeds insnwidth'.format(fname)) + error(lineno, f'field {fname} exceeds insnwidth') f =3D Field(sign, insnwidth - width - shift, shift) flds =3D add_field(lineno, flds, fname, f) fixedbits <<=3D shift fixedmask <<=3D shift undefmask <<=3D shift else: - error(lineno, 'invalid token "{0}"'.format(t)) + error(lineno, f'invalid token "{t}"') width +=3D shift =20 if variablewidth and width < insnwidth and width % 8 =3D=3D 0: @@ -914,7 +914,7 @@ def parse_generic(lineno, parent_pat, name, toks): =20 # We should have filled in all of the bits of the instruction. elif not (is_format and width =3D=3D 0) and width !=3D insnwidth: - error(lineno, 'definition has {0} bits'.format(width)) + error(lineno, f'definition has {width} bits') =20 # 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.nam= e}') else: arg =3D infer_argument_set(flds) if name in formats: @@ -960,13 +959,12 @@ def parse_generic(lineno, parent_pat, name, toks): arg =3D 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 =3D 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 =3D [] =20 if nesting !=3D 0: @@ -1131,9 +1129,8 @@ def output_code(self, i, extracted, outerbits, outerm= ask): =20 # If we need to load more bytes to test, do so now. if extracted < self.width: - output(ind, 'insn =3D ', decode_function, - '_load_bytes(ctx, insn, {0}, {1});\n' - .format(extracted // 8, self.width // 8)); + output(ind, f'insn =3D {decode_function}_load_bytes', + f'(ctx, insn, {extracted // 8}, {self.width // 8});\n') extracted =3D self.width =20 # Attempt to aid the compiler in producing compact switch statemen= ts. @@ -1184,9 +1181,8 @@ def output_code(self, i, extracted, outerbits, outerm= ask): =20 # If we need to load more bytes, do so now. if extracted < self.width: - output(ind, 'insn =3D ', decode_function, - '_load_bytes(ctx, insn, {0}, {1});\n' - .format(extracted // 8, self.width // 8)); + output(ind, f'insn =3D {decode_function}_load_bytes', + f'(ctx, insn, {extracted // 8}, {self.width // 8});\n') extracted =3D 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), pn= ames) + f'overlapping patterns size {width}:', pnames) =20 bins =3D {} for i in pats: --=20 2.25.1