Begin introducing shortcut syntax for nested `save`s.
Chris Pressey
3 years ago
| 770 | 770 |
context.set_writeable(instr.dest)
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| 771 | 771 |
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| 772 | 772 |
def analyze_save(self, instr, context):
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| 773 | |
if len(instr.locations) != 1:
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| 774 | |
raise NotImplementedError("Only 1 location in save is supported right now")
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| 775 | |
location = instr.locations[0]
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| 776 | |
self.assert_type(TYPE_BYTE, location)
|
| 777 | |
|
| 778 | |
baton = context.extract(location)
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|
773 |
batons = []
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|
774 |
for location in instr.locations:
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|
775 |
self.assert_type(TYPE_BYTE, location)
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|
776 |
baton = context.extract(location)
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|
777 |
batons.append(baton)
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|
778 |
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| 779 | 779 |
self.analyze_block(instr.block, context)
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| 780 | 780 |
if context.encountered_gotos():
|
| 781 | 781 |
raise IllegalJumpError(instr, instr)
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| 782 | |
context.re_introduce(baton)
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| 783 | |
|
|
782 |
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|
783 |
for location in reversed(instr.locations):
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|
784 |
baton = batons.pop()
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|
785 |
context.re_introduce(baton)
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|
786 |
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|
787 |
# FIXME check if A needs to be the outer thing that is saved, I think it does.
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| 784 | 788 |
if location == REG_A:
|
| 785 | 789 |
pass
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| 786 | 790 |
else:
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