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comparison python/c3/scope.py @ 164:e023d3ce1d63

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Fix to loc of assignment
author Windel Bouwman
date Mon, 18 Mar 2013 22:15:57 +0100
parents 8104fc8b5e90
children 8b2e5f3cd579
comparison
equal deleted inserted replaced
163:8104fc8b5e90 164:e023d3ce1d63
4 """ A scope contains all symbols in a scope """ 4 """ A scope contains all symbols in a scope """
5 def __init__(self, parent=None): 5 def __init__(self, parent=None):
6 self.symbols = {} 6 self.symbols = {}
7 self.parent = parent 7 self.parent = parent
8 def __iter__(self): 8 def __iter__(self):
9 return iter(self.symbols.values()) 9 # Iterate in a deterministic manner:
10 return iter(self.Constants + self.Variables + self.Functions)
11 @property
12 def Syms(self):
13 syms = self.symbols.values()
14 return sorted(syms, key=lambda v: v.name)
15 @property
16 def Constants(self):
17 return [s for s in self.Syms if type(s) is astnodes.Constant]
18 @property
19 def Variables(self):
20 return [s for s in self.Syms if type(s) is astnodes.Variable]
21 @property
22 def Functions(self):
23 return [s for s in self.Syms if type(s) is astnodes.Function]
10 def getSymbol(self, name): 24 def getSymbol(self, name):
11 if name in self.symbols: 25 if name in self.symbols:
12 return self.symbols[name] 26 return self.symbols[name]
13 # Look for symbol: 27 # Look for symbol:
14 if self.parent: 28 if self.parent:
25 39
26 # buildin types: 40 # buildin types:
27 intType = astnodes.BaseType('int') 41 intType = astnodes.BaseType('int')
28 doubleType = astnodes.BaseType('double') 42 doubleType = astnodes.BaseType('double')
29 voidType = astnodes.BaseType('void') 43 voidType = astnodes.BaseType('void')
30 boolType = astnodes.BaseType('void') 44 boolType = astnodes.BaseType('bool')
45 stringType = astnodes.BaseType('string')
46 byteType = astnodes.BaseType('byte')
31 47
32 def createBuiltins(scope): 48 def createBuiltins(scope):
33 for tn in ['u64', 'u32', 'u16', 'u8']: 49 for tn in ['u64', 'u32', 'u16', 'u8']:
34 scope.addSymbol(astnodes.BaseType(tn)) 50 scope.addSymbol(astnodes.BaseType(tn))
35 for t in [intType, doubleType, voidType, boolType]: 51 for t in [intType, doubleType, voidType, boolType, stringType, byteType]:
36 scope.addSymbol(t) 52 scope.addSymbol(t)
37 53
38 topScope = Scope() 54 topScope = Scope()
39 createBuiltins(topScope) 55 createBuiltins(topScope)
40 56