Jmaa/llvm--emulator
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Use more explicite garbage placholder value.

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This commit is contained in:
cfreksen 2017-10-29 21:10:22 +01:00
parent 13017ef95b
commit 6b6dd9cf68
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GPG Key ID: EAC13EE101008978
1 changed files with 6 additions and 2 deletions
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6
stepper.py
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@ -1,6 +1,8 @@
import ll import ll
import parser import parser
from enum import Enum
def TODO(msg): def TODO(msg):
print('TODO: not implemented yet at {}' print('TODO: not implemented yet at {}'
@ -17,6 +19,7 @@ def warn(msg):
.format(msg)) .format(msg))
class Garbage(Enum):
GARBAGE = '<<Unitialized memory>>' GARBAGE = '<<Unitialized memory>>'
@ -55,7 +58,8 @@ def step(insns, terminator, blocks, stack_frames, ssa_env, global_env, memory,
ptr = len(memory) ptr = len(memory)
for i in range(max(size, 1)): for i in range(max(size, 1)):
memory.append(GARBAGE) memory.append(Garbage.GARBAGE)
res = ptr res = ptr
elif isinstance(next_insn, ll.Load): elif isinstance(next_insn, ll.Load):
TODO('Load') TODO('Load')