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Print when evaluating terminators.

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This commit is contained in:
cfreksen 2017-10-29 19:12:30 +01:00
parent 7213c32f93
commit 344609e54b
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GPG Key ID: EAC13EE101008978
2 changed files with 30 additions and 0 deletions
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22
ll.py
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@ -106,3 +106,25 @@ def insn2s(insn):
# TODO
print('insn2s: Unknown insn: {}'
.format(insn))
def terminator2s(terminator):
if isinstance(terminator, Ret):
if terminator.oper is None:
return ('ret {}'
.format(ty2s(terminator.ty)))
else:
return ('ret {} {}'
.format(ty2s(terminator.ty),
oper2s(terminator.oper)))
elif isinstance(terminator, Br):
return ('br label %{}'
.format(terminator.label))
elif isinstance(terminator, Cbr):
return ('br {} {}, label %{}, label %{}'
.format(ty2s(terminator.ty),
oper2s(terminator.oper),
terminator.then_label,
terminator.else_label))
else:
print('terminator2s: Unknown terminator {}'
.format(terminator))

8
stepper.py
View File

@ -69,12 +69,19 @@ def terminate(terminator, blocks, stack_frames, ssa_env, global_env, memory):
if id is not None and id in ssa_env:
del ssa_env[id]
print('Evaluating {}'
.format(ll.terminator2s(terminator)))
if isinstance(terminator, ll.Ret):
oper = terminator.oper
if oper is None:
oper_v = None
else:
oper_v = eval_oper(oper, ssa_env, global_env)
# TODO
print('Returning {}'
.format(oper_v))
if len(stack_frames) == 0:
new_insns = []
new_terminator = None
@ -97,6 +104,7 @@ def terminate(terminator, blocks, stack_frames, ssa_env, global_env, memory):
# blocks.
clear_block_from_ssa_env(new_insns, ssa_env)
# TODO
print('Jumping unconditionally to {}'
.format(label))