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bpo-45152: Add HAS_CONST macro and get_const_value() function and use… (#28262)

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Irit Katriel 2021-09-14 09:53:32 +01:00 • committed by GitHub
parent 9f93018b69
commit c2f1e95337
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3 changed files with 53 additions and 7 deletions
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10
Tools/scripts/generate_opcode_h.py
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@ -51,6 +51,7 @@ def main(opcode_py, outfile='Include/opcode.h'):
code = fp.read()
exec(code, opcode)
opmap = opcode['opmap']
hasconst = opcode['hasconst']
hasjrel = opcode['hasjrel']
hasjabs = opcode['hasjabs']
used = [ False ] * 256
@ -65,15 +66,24 @@ def main(opcode_py, outfile='Include/opcode.h'):
if name == 'POP_EXCEPT': # Special entry for HAVE_ARGUMENT
fobj.write("#define %-23s %3d\n" %
('HAVE_ARGUMENT', opcode['HAVE_ARGUMENT']))
for name in opcode['_specialized_instructions']:
while used[next_op]:
next_op += 1
fobj.write("#define %-23s %3s\n" % (name, next_op))
used[next_op] = True
fobj.write("#ifdef NEED_OPCODE_JUMP_TABLES\n")
write_int_array_from_ops("_PyOpcode_RelativeJump", opcode['hasjrel'], fobj)
write_int_array_from_ops("_PyOpcode_Jump", opcode['hasjrel'] + opcode['hasjabs'], fobj)
fobj.write("#endif /* OPCODE_TABLES */\n")
fobj.write("\n")
fobj.write("#define HAS_CONST(op) (false\\")
for op in hasconst:
fobj.write(f"\n || ((op) == {op}) \\")
fobj.write("\n )\n")
fobj.write(footer)