1a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar"""Flexible enumeration of C types.""" 2a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 3a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbarfrom Enumeration import * 4a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 5a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar# TODO: 6a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 798cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar# - struct improvements (flexible arrays, packed & 8a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar# unpacked, alignment) 9880c40345f903b087b52eb559cbd435f2ccac484Daniel Dunbar# - objective-c qualified id 10880c40345f903b087b52eb559cbd435f2ccac484Daniel Dunbar# - anonymous / transparent unions 11880c40345f903b087b52eb559cbd435f2ccac484Daniel Dunbar# - VLAs 12880c40345f903b087b52eb559cbd435f2ccac484Daniel Dunbar# - block types 13dda09c8704f47a17ca34e0aa7f3a0d3f8bc6f399Daniel Dunbar# - K&R functions 14dda09c8704f47a17ca34e0aa7f3a0d3f8bc6f399Daniel Dunbar# - pass arguments of different types (test extension, transparent union) 15dda09c8704f47a17ca34e0aa7f3a0d3f8bc6f399Daniel Dunbar# - varargs 16a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 17a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar### 18a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar# Actual type types 19a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 2098cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbarclass Type: 2198cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar def isBitField(self): 2298cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar return False 2398cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar 2498cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar def isPaddingBitField(self): 2598cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar return False 2698cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar 276ffef197e9388a54f983bfd86931119e0885ce51Daniel Dunbar def getTypeName(self, printer): 286ffef197e9388a54f983bfd86931119e0885ce51Daniel Dunbar name = 'T%d' % len(printer.types) 296ffef197e9388a54f983bfd86931119e0885ce51Daniel Dunbar typedef = self.getTypedefDef(name, printer) 306ffef197e9388a54f983bfd86931119e0885ce51Daniel Dunbar printer.addDeclaration(typedef) 316ffef197e9388a54f983bfd86931119e0885ce51Daniel Dunbar return name 326ffef197e9388a54f983bfd86931119e0885ce51Daniel Dunbar 3398cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbarclass BuiltinType(Type): 3498cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar def __init__(self, name, size, bitFieldSize=None): 35a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.name = name 36789e4babc9cf78df9565f215a119acad291aea63Daniel Dunbar self.size = size 3798cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar self.bitFieldSize = bitFieldSize 3898cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar 3998cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar def isBitField(self): 4098cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar return self.bitFieldSize is not None 4198cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar 4298cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar def isPaddingBitField(self): 4398cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar return self.bitFieldSize is 0 4498cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar 4598cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar def getBitFieldSize(self): 4698cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar assert self.isBitField() 4798cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar return self.bitFieldSize 48789e4babc9cf78df9565f215a119acad291aea63Daniel Dunbar 496ffef197e9388a54f983bfd86931119e0885ce51Daniel Dunbar def getTypeName(self, printer): 506ffef197e9388a54f983bfd86931119e0885ce51Daniel Dunbar return self.name 516ffef197e9388a54f983bfd86931119e0885ce51Daniel Dunbar 52789e4babc9cf78df9565f215a119acad291aea63Daniel Dunbar def sizeof(self): 53789e4babc9cf78df9565f215a119acad291aea63Daniel Dunbar return self.size 54a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 55a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def __str__(self): 56a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar return self.name 57a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 5843ec96da71b94f064ed6a3031025208d23acd592Douglas Gregorclass EnumType(Type): 5943ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor def __init__(self, index, enumerators): 6043ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor self.index = index 6143ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor self.enumerators = enumerators 6243ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor 6343ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor def getEnumerators(self): 6443ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor result = '' 6543ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor for i, init in enumerate(self.enumerators): 6643ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor if i > 0: 6743ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor result = result + ', ' 6843ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor result = result + 'enum%dval%d' % (self.index, i) 6943ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor if init: 7043ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor result = result + ' = %s' % (init) 7143ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor 7243ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor return result 7343ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor 7443ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor def __str__(self): 7543ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor return 'enum { %s }' % (self.getEnumerators()) 7643ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor 7743ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor def getTypedefDef(self, name, printer): 7843ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor return 'typedef enum %s { %s } %s;'%(name, self.getEnumerators(), name) 7943ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor 8098cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbarclass RecordType(Type): 81a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def __init__(self, index, isUnion, fields): 82a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.index = index 83a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.isUnion = isUnion 84a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.fields = fields 85a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.name = None 86a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 8798cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar def __str__(self): 8898cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar def getField(t): 8998cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar if t.isBitField(): 9098cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar return "%s : %d;" % (t, t.getBitFieldSize()) 9198cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar else: 9298cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar return "%s;" % t 9398cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar 94a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar return '%s { %s }'%(('struct','union')[self.isUnion], 9598cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar ' '.join(map(getField, self.fields))) 96a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 97a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def getTypedefDef(self, name, printer): 9898cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar def getField((i, t)): 9998cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar if t.isBitField(): 10098cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar if t.isPaddingBitField(): 10198cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar return '%s : 0;'%(printer.getTypeName(t),) 10298cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar else: 10398cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar return '%s field%d : %d;'%(printer.getTypeName(t),i, 10498cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar t.getBitFieldSize()) 10598cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar else: 10698cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar return '%s field%d;'%(printer.getTypeName(t),i) 10798cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar fields = map(getField, enumerate(self.fields)) 108a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar # Name the struct for more readable LLVM IR. 109a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar return 'typedef %s %s { %s } %s;'%(('struct','union')[self.isUnion], 110a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar name, ' '.join(fields), name) 111a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 11298cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbarclass ArrayType(Type): 113a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def __init__(self, index, isVector, elementType, size): 114a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar if isVector: 115a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar # Note that for vectors, this is the size in bytes. 116a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar assert size > 0 117a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar else: 118a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar assert size is None or size >= 0 119a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.index = index 120a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.isVector = isVector 121a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.elementType = elementType 122a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.size = size 123789e4babc9cf78df9565f215a119acad291aea63Daniel Dunbar if isVector: 124789e4babc9cf78df9565f215a119acad291aea63Daniel Dunbar eltSize = self.elementType.sizeof() 125789e4babc9cf78df9565f215a119acad291aea63Daniel Dunbar assert not (self.size % eltSize) 126789e4babc9cf78df9565f215a119acad291aea63Daniel Dunbar self.numElements = self.size // eltSize 127789e4babc9cf78df9565f215a119acad291aea63Daniel Dunbar else: 128789e4babc9cf78df9565f215a119acad291aea63Daniel Dunbar self.numElements = self.size 129a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 130a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def __str__(self): 131a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar if self.isVector: 132a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar return 'vector (%s)[%d]'%(self.elementType,self.size) 133a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar elif self.size is not None: 134a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar return '(%s)[%d]'%(self.elementType,self.size) 135a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar else: 136a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar return '(%s)[]'%(self.elementType,) 137a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 138a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def getTypedefDef(self, name, printer): 139a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar elementName = printer.getTypeName(self.elementType) 140a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar if self.isVector: 141a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar return 'typedef %s %s __attribute__ ((vector_size (%d)));'%(elementName, 142a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar name, 143a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.size) 144a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar else: 145a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar if self.size is None: 146a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar sizeStr = '' 147a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar else: 148a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar sizeStr = str(self.size) 149a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar return 'typedef %s %s[%s];'%(elementName, name, sizeStr) 150a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 15198cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbarclass ComplexType(Type): 152a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def __init__(self, index, elementType): 153a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.index = index 154a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.elementType = elementType 155a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 156a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def __str__(self): 157a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar return '_Complex (%s)'%(self.elementType) 158a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 159a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def getTypedefDef(self, name, printer): 160a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar return 'typedef _Complex %s %s;'%(printer.getTypeName(self.elementType), name) 161a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 16298cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbarclass FunctionType(Type): 163a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def __init__(self, index, returnType, argTypes): 164a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.index = index 165a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.returnType = returnType 166a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.argTypes = argTypes 167a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 168a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def __str__(self): 169a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar if self.returnType is None: 170a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar rt = 'void' 171a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar else: 172a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar rt = str(self.returnType) 173a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar if not self.argTypes: 174a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar at = 'void' 175a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar else: 176a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar at = ', '.join(map(str, self.argTypes)) 177a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar return '%s (*)(%s)'%(rt, at) 178a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 179a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def getTypedefDef(self, name, printer): 180a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar if self.returnType is None: 181a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar rt = 'void' 182a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar else: 183a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar rt = str(self.returnType) 184a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar if not self.argTypes: 185a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar at = 'void' 186a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar else: 187a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar at = ', '.join(map(str, self.argTypes)) 188a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar return 'typedef %s (*%s)(%s);'%(rt, name, at) 189a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 190a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar### 191a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar# Type enumerators 192a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 193a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbarclass TypeGenerator(object): 194a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def __init__(self): 195a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.cache = {} 196a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 197a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def setCardinality(self): 198a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar abstract 199a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 200a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def get(self, N): 201a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar T = self.cache.get(N) 202a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar if T is None: 203a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar assert 0 <= N < self.cardinality 204a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar T = self.cache[N] = self.generateType(N) 205a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar return T 206a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 207a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def generateType(self, N): 208a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar abstract 209a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 210a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbarclass FixedTypeGenerator(TypeGenerator): 211a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def __init__(self, types): 212a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar TypeGenerator.__init__(self) 213a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.types = types 214a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.setCardinality() 215a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 216a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def setCardinality(self): 217a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.cardinality = len(self.types) 218a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 219a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def generateType(self, N): 220a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar return self.types[N] 221a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 22243ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor# Factorial 22343ec96da71b94f064ed6a3031025208d23acd592Douglas Gregordef fact(n): 22443ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor result = 1 22543ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor while n > 0: 22643ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor result = result * n 22743ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor n = n - 1 22843ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor return result 22943ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor 23043ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor# Compute the number of combinations (n choose k) 23143ec96da71b94f064ed6a3031025208d23acd592Douglas Gregordef num_combinations(n, k): 23243ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor return fact(n) / (fact(k) * fact(n - k)) 23343ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor 23443ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor# Enumerate the combinations choosing k elements from the list of values 23543ec96da71b94f064ed6a3031025208d23acd592Douglas Gregordef combinations(values, k): 23643ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor # From ActiveState Recipe 190465: Generator for permutations, 23743ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor # combinations, selections of a sequence 23843ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor if k==0: yield [] 23943ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor else: 24043ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor for i in xrange(len(values)-k+1): 24143ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor for cc in combinations(values[i+1:],k-1): 24243ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor yield [values[i]]+cc 24343ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor 24443ec96da71b94f064ed6a3031025208d23acd592Douglas Gregorclass EnumTypeGenerator(TypeGenerator): 24543ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor def __init__(self, values, minEnumerators, maxEnumerators): 24643ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor TypeGenerator.__init__(self) 24743ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor self.values = values 24843ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor self.minEnumerators = minEnumerators 24943ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor self.maxEnumerators = maxEnumerators 25043ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor self.setCardinality() 25143ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor 25243ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor def setCardinality(self): 25343ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor self.cardinality = 0 25443ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor for num in range(self.minEnumerators, self.maxEnumerators + 1): 25543ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor self.cardinality += num_combinations(len(self.values), num) 25643ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor 25743ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor def generateType(self, n): 25843ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor # Figure out the number of enumerators in this type 25943ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor numEnumerators = self.minEnumerators 26043ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor valuesCovered = 0 26143ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor while numEnumerators < self.maxEnumerators: 26243ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor comb = num_combinations(len(self.values), numEnumerators) 26343ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor if valuesCovered + comb > n: 26443ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor break 26543ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor numEnumerators = numEnumerators + 1 26643ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor valuesCovered += comb 26743ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor 26843ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor # Find the requested combination of enumerators and build a 26943ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor # type from it. 27043ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor i = 0 27143ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor for enumerators in combinations(self.values, numEnumerators): 27243ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor if i == n - valuesCovered: 27343ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor return EnumType(n, enumerators) 27443ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor 27543ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor i = i + 1 27643ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor 27743ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor assert False 27843ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor 279a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbarclass ComplexTypeGenerator(TypeGenerator): 280a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def __init__(self, typeGen): 281a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar TypeGenerator.__init__(self) 282a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.typeGen = typeGen 283a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.setCardinality() 284a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 285a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def setCardinality(self): 286a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.cardinality = self.typeGen.cardinality 287a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 288a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def generateType(self, N): 289a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar return ComplexType(N, self.typeGen.get(N)) 290a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 291a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbarclass VectorTypeGenerator(TypeGenerator): 292a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def __init__(self, typeGen, sizes): 293a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar TypeGenerator.__init__(self) 294a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.typeGen = typeGen 295a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.sizes = tuple(map(int,sizes)) 296a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.setCardinality() 297a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 298a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def setCardinality(self): 299a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.cardinality = len(self.sizes)*self.typeGen.cardinality 300a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 301a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def generateType(self, N): 302a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar S,T = getNthPairBounded(N, len(self.sizes), self.typeGen.cardinality) 303a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar return ArrayType(N, True, self.typeGen.get(T), self.sizes[S]) 304a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 305a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbarclass FixedArrayTypeGenerator(TypeGenerator): 306a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def __init__(self, typeGen, sizes): 307a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar TypeGenerator.__init__(self) 308a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.typeGen = typeGen 309a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.sizes = tuple(size) 310a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.setCardinality() 311a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 312a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def setCardinality(self): 313a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.cardinality = len(self.sizes)*self.typeGen.cardinality 314a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 315a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def generateType(self, N): 316a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar S,T = getNthPairBounded(N, len(self.sizes), self.typeGen.cardinality) 317a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar return ArrayType(N, false, self.typeGen.get(T), self.sizes[S]) 318a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 319a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbarclass ArrayTypeGenerator(TypeGenerator): 320a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def __init__(self, typeGen, maxSize, useIncomplete=False, useZero=False): 321a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar TypeGenerator.__init__(self) 322a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.typeGen = typeGen 323a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.useIncomplete = useIncomplete 324a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.useZero = useZero 325a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.maxSize = int(maxSize) 326a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.W = useIncomplete + useZero + self.maxSize 327a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.setCardinality() 328a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 329a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def setCardinality(self): 330a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.cardinality = self.W * self.typeGen.cardinality 331a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 332a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def generateType(self, N): 333a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar S,T = getNthPairBounded(N, self.W, self.typeGen.cardinality) 334a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar if self.useIncomplete: 335a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar if S==0: 336a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar size = None 337a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar S = None 338a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar else: 339a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar S = S - 1 340a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar if S is not None: 341a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar if self.useZero: 342a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar size = S 343a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar else: 344a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar size = S + 1 345a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar return ArrayType(N, False, self.typeGen.get(T), size) 346a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 347a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbarclass RecordTypeGenerator(TypeGenerator): 348a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def __init__(self, typeGen, useUnion, maxSize): 349a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar TypeGenerator.__init__(self) 350a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.typeGen = typeGen 351a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.useUnion = bool(useUnion) 352a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.maxSize = int(maxSize) 353a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.setCardinality() 354a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 355a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def setCardinality(self): 356a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar M = 1 + self.useUnion 357a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar if self.maxSize is aleph0: 358a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar S = aleph0 * self.typeGen.cardinality 359a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar else: 360a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar S = 0 361a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar for i in range(self.maxSize+1): 362a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar S += M * (self.typeGen.cardinality ** i) 363a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.cardinality = S 364a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 365a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def generateType(self, N): 366a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar isUnion,I = False,N 367a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar if self.useUnion: 368a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar isUnion,I = (I&1),I>>1 369a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar fields = map(self.typeGen.get,getNthTuple(I,self.maxSize,self.typeGen.cardinality)) 370a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar return RecordType(N, isUnion, fields) 371a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 372a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbarclass FunctionTypeGenerator(TypeGenerator): 373a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def __init__(self, typeGen, useReturn, maxSize): 374a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar TypeGenerator.__init__(self) 375a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.typeGen = typeGen 376a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.useReturn = useReturn 377a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.maxSize = maxSize 378a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.setCardinality() 379a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 380a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def setCardinality(self): 381a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar if self.maxSize is aleph0: 382a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar S = aleph0 * self.typeGen.cardinality() 383a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar elif self.useReturn: 384a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar S = 0 385a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar for i in range(1,self.maxSize+1+1): 386a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar S += self.typeGen.cardinality ** i 387a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar else: 388a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar S = 0 389a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar for i in range(self.maxSize+1): 390a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar S += self.typeGen.cardinality ** i 391a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.cardinality = S 392a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 393a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def generateType(self, N): 394a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar if self.useReturn: 395a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar # Skip the empty tuple 396a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar argIndices = getNthTuple(N+1, self.maxSize+1, self.typeGen.cardinality) 397a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar retIndex,argIndices = argIndices[0],argIndices[1:] 398a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar retTy = self.typeGen.get(retIndex) 399a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar else: 400a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar retTy = None 401a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar argIndices = getNthTuple(N, self.maxSize, self.typeGen.cardinality) 402a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar args = map(self.typeGen.get, argIndices) 403a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar return FunctionType(N, retTy, args) 404a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 405a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbarclass AnyTypeGenerator(TypeGenerator): 406a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def __init__(self): 407a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar TypeGenerator.__init__(self) 408a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.generators = [] 409a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.bounds = [] 410a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.setCardinality() 411a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self._cardinality = None 412a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 413a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def getCardinality(self): 414a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar if self._cardinality is None: 415a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar return aleph0 416a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar else: 417a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar return self._cardinality 418a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def setCardinality(self): 419a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.bounds = [g.cardinality for g in self.generators] 420a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self._cardinality = sum(self.bounds) 421a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar cardinality = property(getCardinality, None) 422a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 423a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def addGenerator(self, g): 424a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.generators.append(g) 425a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar for i in range(100): 426a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar prev = self._cardinality 427a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self._cardinality = None 428a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar for g in self.generators: 429a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar g.setCardinality() 430a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar self.setCardinality() 431a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar if (self._cardinality is aleph0) or prev==self._cardinality: 432a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar break 433a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar else: 434a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar raise RuntimeError,"Infinite loop in setting cardinality" 435a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 436a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar def generateType(self, N): 437a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar index,M = getNthPairVariableBounds(N, self.bounds) 438a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar return self.generators[index].get(M) 439a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 440a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbardef test(): 44198cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar fbtg = FixedTypeGenerator([BuiltinType('char', 4), 44298cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar BuiltinType('char', 4, 0), 44398cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar BuiltinType('int', 4, 5)]) 44498cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar 44598cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar fields1 = AnyTypeGenerator() 44698cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar fields1.addGenerator( fbtg ) 44798cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar 44898cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar fields0 = AnyTypeGenerator() 44998cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar fields0.addGenerator( fbtg ) 45098cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar# fields0.addGenerator( RecordTypeGenerator(fields1, False, 4) ) 45198cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar 45298cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar btg = FixedTypeGenerator([BuiltinType('char', 4), 45398cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar BuiltinType('int', 4)]) 45443ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor etg = EnumTypeGenerator([None, '-1', '1', '1u'], 0, 3) 45543ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor 456a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar atg = AnyTypeGenerator() 457a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar atg.addGenerator( btg ) 45898cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar atg.addGenerator( RecordTypeGenerator(fields0, False, 4) ) 45943ec96da71b94f064ed6a3031025208d23acd592Douglas Gregor atg.addGenerator( etg ) 460a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar print 'Cardinality:',atg.cardinality 461a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar for i in range(100): 46298cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar if i == atg.cardinality: 46398cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar try: 46498cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar atg.get(i) 46598cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar raise RuntimeError,"Cardinality was wrong" 46698cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar except AssertionError: 46798cca78ecd75704998eea81031bb82f06a9ed5deDaniel Dunbar break 468a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar print '%4d: %s'%(i, atg.get(i)) 469a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar 470a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbarif __name__ == '__main__': 471a1bfe638c03c517b110f55962adb882f47131667Daniel Dunbar test() 472