79 lines
2.2 KiB
Python
79 lines
2.2 KiB
Python
from typing import TextIO, Union
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from phasmplatform.common import valuetype
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from phasmplatform.common.router import BaseRouter
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from phasmplatform.common.method import MethodCall
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from phasmplatform.common.value import Value
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from phasmplatform.common.valuetype import ValueType
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class RunnerInterface:
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__slots__ = ('router', )
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def do_call(self, call: MethodCall) -> None:
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raise NotImplementedError
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class BaseRunner(RunnerInterface):
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__slots__ = ('router', )
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router: BaseRouter
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def __init__(self, router: BaseRouter) -> None:
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self.router = router
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def alloc_bytes(self, data: bytes) -> int:
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"""
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Calls upon stdlib.types.__alloc_bytes__ to allocate a bytes object
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"""
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raise NotImplementedError
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def read_bytes(self, ptr: int) -> bytes:
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"""
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Reads a byte object allocated by stdlib.types.__alloc_bytes__
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"""
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raise NotImplementedError
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def value_to_wasm(self, val: Value) -> Union[None, int, float]:
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if val.value_type is valuetype.bytes:
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assert isinstance(val.data, bytes) # type hint
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return self.alloc_bytes(val.data)
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raise NotImplementedError(val)
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def value_from_wasm(self, value_type: ValueType, val: Union[None, int, float]) -> Value:
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if value_type is valuetype.none:
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assert val is None # type hint
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return Value(value_type, None)
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if value_type is valuetype.bytes:
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assert isinstance(val, int) # type hint
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return Value(value_type, self.read_bytes(val))
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raise NotImplementedError(value_type, val)
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def log_bytes(self, msg_ptr: int) -> None:
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print('LOG: ' + self.read_bytes(msg_ptr).decode())
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def dump_memory(textio: TextIO, mem: bytes) -> None:
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line_width = 16
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prev_line = None
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skip = False
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for idx in range(0, len(mem), line_width):
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line = ''
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for idx2 in range(0, line_width):
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line += f'{mem[idx + idx2]:02X}'
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if idx2 % 2 == 1:
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line += ' '
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if prev_line == line:
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if not skip:
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textio.write('**\n')
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skip = True
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else:
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textio.write(f'{idx:08x} {line}\n')
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prev_line = line
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