start cleaning up the ast/interpreter.py type mess#15933
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
These are now guaranteed by typing annotations. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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While the typing annotations in ast/interpreter.py are a mess, the calls to reduce_arguments() are all from the tame evaluate_* functions. There is no way that the args argument is a list instead of an ArgumentNode. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Follow what is specified by TYPE_method_func. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Remove unused argument as well as the non-list case. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The return type of flatten_args can actually be described more precisely than T.Any, but in some cases it is used to operate on variables described as T.List[TYPE_var] specifically and erroneously (because they can be Unknownvalue, etc.). Call those out specifically. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This also enables using it instead of flatten(). Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The return value of "and" and "or" might be known even if one of the operands is unknown. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
reduce_arguments and flatten_args operate on values that are TYPE_var | mparser.BaseNode | some other types, but this is hidden behind Any. Introduce TYPE_ivar and TYPE_ikwargs to make the representation a bit closer to the truth. Of course, because this replaces Any, a lot of casts and "type: ignore" comments are needed. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Commit "ast/interpreter, rewriter: make flatten_args() recursive" is the really scary one. Apart from that it's mostly dead code removal that enables more reasoning on what's going on.