Mercurial > lcfOS
comparison python/ppci/c3/scope.py @ 307:e609d5296ee9
Massive rewrite of codegenerator
| author | Windel Bouwman |
|---|---|
| date | Thu, 12 Dec 2013 20:42:56 +0100 |
| parents | b145f8e6050b |
| children | 5477e499b039 |
comparison
equal
deleted
inserted
replaced
| 306:b145f8e6050b | 307:e609d5296ee9 |
|---|---|
| 1 from .astnodes import Constant, Variable, Function, BaseType | 1 from .astnodes import Constant, Variable, Function, BaseType, Symbol |
| 2 | 2 |
| 3 | 3 |
| 4 class Scope: | 4 class Scope: |
| 5 """ A scope contains all symbols in a scope. It also has a parent scope, | 5 """ A scope contains all symbols in a scope. It also has a parent scope, |
| 6 when looking for a symbol, also the parent scopes are checked. """ | 6 when looking for a symbol, also the parent scopes are checked. """ |
| 52 def __contains__(self, name): | 52 def __contains__(self, name): |
| 53 return self.hasSymbol(name) | 53 return self.hasSymbol(name) |
| 54 | 54 |
| 55 def addSymbol(self, sym): | 55 def addSymbol(self, sym): |
| 56 assert sym.name not in self.symbols | 56 assert sym.name not in self.symbols |
| 57 assert isinstance(sym, Symbol) | |
| 57 self.symbols[sym.name] = sym | 58 self.symbols[sym.name] = sym |
| 58 | 59 |
| 59 def __repr__(self): | 60 def __repr__(self): |
| 60 return 'Scope with {} symbols'.format(len(self.symbols)) | 61 return 'Scope with {} symbols'.format(len(self.symbols)) |
| 61 | 62 |