Mercurial > lcfOS
comparison python/ir.py @ 279:2ccd57b1d78c
Fix register allocator to do burn2 OK
| author | Windel Bouwman |
|---|---|
| date | Sat, 12 Oct 2013 09:56:23 +0200 |
| parents | 046017431c6a |
| children | 02385f62f250 |
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| 278:9fca39eebe50 | 279:2ccd57b1d78c |
|---|---|
| 272 | 272 |
| 273 def Add(a, b): | 273 def Add(a, b): |
| 274 """ Convenience call """ | 274 """ Convenience call """ |
| 275 return Binop(a, '+', b) | 275 return Binop(a, '+', b) |
| 276 | 276 |
| 277 def Sub(a, b): | |
| 278 return Binop(a, '-', b) | |
| 279 | |
| 280 def Mul(a, b): | |
| 281 return Binop(a, '*', b) | |
| 282 | |
| 283 def Div(a, b): | |
| 284 return Binop(a, '/', b) | |
| 277 | 285 |
| 278 class Eseq(Expression): | 286 class Eseq(Expression): |
| 279 """ Sequence of instructions where the last is an expression """ | 287 """ Sequence of instructions where the last is an expression """ |
| 280 def __init__(self, stmt, e): | 288 def __init__(self, stmt, e): |
| 281 self.stmt = stmt | 289 self.stmt = stmt |
| 395 | 403 |
| 396 def __repr__(self): | 404 def __repr__(self): |
| 397 return 'IF {} {} {} THEN {} ELSE {}'.format(self.a, self.cond, self.b, self.lab_yes, self.lab_no) | 405 return 'IF {} {} {} THEN {} ELSE {}'.format(self.a, self.cond, self.b, self.lab_yes, self.lab_no) |
| 398 | 406 |
| 399 | 407 |
| 408 # Constructing IR: | |
| 409 | |
| 400 class NamedClassGenerator: | 410 class NamedClassGenerator: |
| 401 def __init__(self, prefix, cls): | 411 def __init__(self, prefix, cls): |
| 402 self.prefix = prefix | 412 self.prefix = prefix |
| 403 self.cls = cls | 413 self.cls = cls |
| 404 def NumGen(): | 414 def NumGen(): |