blob: c50abe1ea979b817c90c83d37e59102b6e1af2d0 [file] [log] [blame]
#!/usr/bin/python
from pprint import pprint
import random, atexit, time
from random import randrange
from Enumeration import *
from TypeGen import *
####
class TypePrinter:
def __init__(self, output, outputHeader=None,
outputTests=None, outputDriver=None,
headerName=None, info=None):
self.output = output
self.outputHeader = outputHeader
self.outputTests = outputTests
self.outputDriver = outputDriver
self.writeBody = outputHeader or outputTests or outputDriver
self.types = {}
self.testValues = {}
self.testReturnValues = {}
if info:
for f in (self.output,self.outputHeader,self.outputTests,self.outputDriver):
if f:
print >>f,info
if self.writeBody:
print >>self.output, '#include <stdio.h>\n'
if self.outputTests:
print >>self.outputTests, '#include <stdio.h>\n'
if headerName:
for f in (self.output,self.outputTests,self.outputDriver):
if f is not None:
print >>f, '#include "%s"\n'%(headerName,)
if self.outputDriver:
print >>self.outputDriver, 'int main(int argc, char **argv) {'
def finish(self):
if self.outputDriver:
print >>self.outputDriver, ' return 0;'
print >>self.outputDriver, '}'
def getTypeName(self, T):
if isinstance(T,BuiltinType):
return T.name
name = self.types.get(T)
if name is None:
name = 'T%d'%(len(self.types),)
# Reserve slot
self.types[T] = None
if self.outputHeader:
print >>self.outputHeader,T.getTypedefDef(name, self)
else:
print >>self.output,T.getTypedefDef(name, self)
if self.outputTests:
print >>self.outputTests,T.getTypedefDef(name, self)
self.types[T] = name
return name
def writeFunction(self, i, FT):
args = ', '.join(['%s arg%d'%(self.getTypeName(t),i) for i,t in enumerate(FT.argTypes)])
if not args:
args = 'void'
if FT.returnType is None:
retvalName = None
retvalTypeName = 'void'
else:
retvalTypeName = self.getTypeName(FT.returnType)
if self.writeBody or self.outputTests:
retvalName = self.getTestReturnValue(FT.returnType)
fnName = 'fn%d'%(FT.index,)
if self.outputHeader:
print >>self.outputHeader,'%s %s(%s);'%(retvalTypeName, fnName, args)
elif self.outputTests:
print >>self.outputTests,'%s %s(%s);'%(retvalTypeName, fnName, args)
print >>self.output,'%s %s(%s)'%(retvalTypeName, fnName, args),
if self.writeBody:
print >>self.output, '{'
for i,t in enumerate(FT.argTypes):
self.printValueOfType(' %s'%fnName, 'arg%d'%i, t)
if retvalName is not None:
print >>self.output, ' return %s;'%(retvalName,)
print >>self.output, '}'
else:
print >>self.output, '{}'
print >>self.output
if self.outputDriver:
print >>self.outputDriver, ' { extern void test_%s(void); test_%s(); }\n'%(fnName,fnName,)
if self.outputTests:
if self.outputHeader:
print >>self.outputHeader, 'void test_%s(void);'%(fnName,)
if retvalName is None:
retvalTests = None
else:
retvalTests = self.getTestValuesArray(FT.returnType)
tests = map(self.getTestValuesArray, FT.argTypes)
print >>self.outputTests, 'void test_%s(void) {'%(fnName,)
if retvalTests is not None:
print >>self.outputTests, ' printf("%s: testing return.\\n");'%(fnName,)
print >>self.outputTests, ' for (int i=0; i<%d; ++i) {'%(retvalTests[1],)
args = ', '.join(['%s[%d]'%(t,randrange(l)) for t,l in tests])
print >>self.outputTests, ' %s RV;'%(retvalTypeName,)
print >>self.outputTests, ' %s = %s[i];'%(retvalName, retvalTests[0])
print >>self.outputTests, ' RV = %s(%s);'%(fnName, args)
self.printValueOfType(' %s_RV'%fnName, 'RV', FT.returnType, output=self.outputTests, indent=4)
print >>self.outputTests, ' }'
if tests:
print >>self.outputTests, ' printf("%s: testing arguments.\\n");'%(fnName,)
for i,(array,length) in enumerate(tests):
for j in range(length):
args = ['%s[%d]'%(t,randrange(l)) for t,l in tests]
args[i] = '%s[%d]'%(array,j)
print >>self.outputTests, ' %s(%s);'%(fnName, ', '.join(args),)
print >>self.outputTests, '}'
def getTestReturnValue(self, type):
typeName = self.getTypeName(type)
info = self.testReturnValues.get(typeName)
if info is None:
name = '%s_retval'%(typeName.replace(' ','_').replace('*','star'),)
print >>self.output, '%s %s;'%(typeName,name)
if self.outputHeader:
print >>self.outputHeader, 'extern %s %s;'%(typeName,name)
elif self.outputTests:
print >>self.outputTests, 'extern %s %s;'%(typeName,name)
info = self.testReturnValues[typeName] = name
return info
def getTestValuesArray(self, type):
typeName = self.getTypeName(type)
info = self.testValues.get(typeName)
if info is None:
name = '%s_values'%(typeName.replace(' ','_').replace('*','star'),)
print >>self.outputTests, 'static %s %s[] = {'%(typeName,name)
length = 0
for item in self.getTestValues(type):
print >>self.outputTests, '\t%s,'%(item,)
length += 1
print >>self.outputTests,'};'
info = self.testValues[typeName] = (name,length)
return info
def getTestValues(self, t):
if isinstance(t, BuiltinType):
if t.name=='float':
for i in ['0.0','-1.0','1.0']:
yield i+'f'
elif t.name=='double':
for i in ['0.0','-1.0','1.0']:
yield i
elif t.name in ('void *'):
yield '(void*) 0'
yield '(void*) -1'
else:
yield '(%s) 0'%(t.name,)
yield '(%s) -1'%(t.name,)
yield '(%s) 1'%(t.name,)
elif isinstance(t, RecordType):
fieldValues = [list(self.getTestValues(f)) for f in t.fields]
if not t.fields:
yield '{ }'
for i,values in enumerate(fieldValues):
for v in values:
elements = map(random.choice,fieldValues)
elements[i] = v
yield '{ %s }'%(', '.join(elements))
elif isinstance(t, ComplexType):
for t in self.getTestValues(t.elementType):
yield '%s + %si'%(t,t)
elif isinstance(t, ArrayType) and not t.isVector:
values = list(self.getTestValues(t.elementType))
if not values:
yield '{ }'
for i in range(t.size):
for v in values:
elements = [random.choice(values) for i in range(t.size)]
elements[i] = v
yield '{ %s }'%(', '.join(elements))
else:
raise NotImplementedError,'Cannot make tests values of type: "%s"'%(t,)
def printValueOfType(self, prefix, name, t, output=None, indent=2):
if output is None:
output = self.output
if isinstance(t, BuiltinType):
if t.name.endswith('long long'):
code = 'lld'
elif t.name.endswith('long'):
code = 'ld'
elif t.name.split(' ')[-1] in ('_Bool','char','short','int'):
code = 'd'
elif t.name in ('float','double'):
code = 'f'
elif t.name == 'long double':
code = 'Lf'
else:
code = 'p'
print >>output, '%*sprintf("%s: %s = %%%s\\n", %s);'%(indent, '', prefix, name, code, name)
elif isinstance(t, RecordType):
if not t.fields:
print >>output, '%*sprintf("%s: %s (empty)\\n");'%(indent, '', prefix, name)
for i,f in enumerate(t.fields):
fname = '%s.field%d'%(name,i)
self.printValueOfType(prefix, fname, f, output=output, indent=indent)
elif isinstance(t, ComplexType):
self.printValueOfType(prefix, '(__real %s)'%name, t.elementType, output=output,indent=indent)
self.printValueOfType(prefix, '(__imag %s)'%name, t.elementType, output=output,indent=indent)
elif isinstance(t, ArrayType) and not t.isVector:
for i in range(t.size):
self.printValueOfType(prefix, '(%s)[%d]'%(name,i), t.elementType, output=output,indent=indent)
else:
raise NotImplementedError,'Cannot print value of type: "%s"'%(t,)
import sys
def main():
from optparse import OptionParser, OptionGroup
parser = OptionParser("%prog [options] {indices}")
parser.add_option("", "--mode", dest="mode",
help="autogeneration mode (random or linear) [default %default]",
type='choice', choices=('random','linear'), default='linear')
parser.add_option("", "--count", dest="count",
help="autogenerate COUNT functions according to MODE",
type=int, default=0)
parser.add_option("", "--min", dest="minIndex", metavar="N",
help="start autogeneration with the Nth function type [default %default]",
type=int, default=0)
parser.add_option("", "--max", dest="maxIndex", metavar="N",
help="maximum index for random autogeneration [default %default]",
type=int, default=10000000)
parser.add_option("", "--seed", dest="seed",
help="random number generator seed [default %default]",
type=int, default=1)
parser.add_option("", "--use-random-seed", dest="useRandomSeed",
help="use random value for initial random number generator seed",
action='store_true', default=False)
parser.add_option("-o", "--output", dest="output", metavar="FILE",
help="write output to FILE [default %default]",
type=str, default='-')
parser.add_option("-O", "--output-header", dest="outputHeader", metavar="FILE",
help="write header file for output to FILE [default %default]",
type=str, default=None)
parser.add_option("-T", "--output-tests", dest="outputTests", metavar="FILE",
help="write function tests to FILE [default %default]",
type=str, default=None)
parser.add_option("-D", "--output-driver", dest="outputDriver", metavar="FILE",
help="write test driver to FILE [default %default]",
type=str, default=None)
group = OptionGroup(parser, "Type Enumeration Options")
# Builtins - Ints
group.add_option("", "--no-char", dest="useChar",
help="do not generate char types",
action="store_false", default=True)
group.add_option("", "--no-short", dest="useShort",
help="do not generate short types",
action="store_false", default=True)
group.add_option("", "--no-int", dest="useInt",
help="do not generate int types",
action="store_false", default=True)
group.add_option("", "--no-long", dest="useLong",
help="do not generate long types",
action="store_false", default=True)
group.add_option("", "--no-long-long", dest="useLongLong",
help="do not generate long long types",
action="store_false", default=True)
group.add_option("", "--no-unsigned", dest="useUnsigned",
help="do not generate unsigned integer types",
action="store_false", default=True)
# Other builtins
group.add_option("", "--no-bool", dest="useBool",
help="do not generate bool types",
action="store_false", default=True)
group.add_option("", "--no-float", dest="useFloat",
help="do not generate float types",
action="store_false", default=True)
group.add_option("", "--no-double", dest="useDouble",
help="do not generate double types",
action="store_false", default=True)
group.add_option("", "--no-long-double", dest="useLongDouble",
help="do not generate long double types",
action="store_false", default=True)
group.add_option("", "--no-void-pointer", dest="useVoidPointer",
help="do not generate void* types",
action="store_false", default=True)
# Derived types
group.add_option("", "--no-array", dest="useArray",
help="do not generate record types",
action="store_false", default=True)
group.add_option("", "--no-complex", dest="useComplex",
help="do not generate complex types",
action="store_false", default=True)
group.add_option("", "--no-record", dest="useRecord",
help="do not generate record types",
action="store_false", default=True)
group.add_option("", "--no-union", dest="recordUseUnion",
help="do not generate union types",
action="store_false", default=True)
group.add_option("", "--no-vector", dest="useVector",
help="do not generate vector types",
action="store_false", default=True)
# Tuning
group.add_option("", "--no-function-return", dest="functionUseReturn",
help="do not generate return types for functions",
action="store_false", default=True)
group.add_option("", "--vector-sizes", dest="vectorSizes",
help="comma separated list of sizes for vectors [default %default]",
action="store", type=str, default='4,8', metavar="N")
group.add_option("", "--max-args", dest="functionMaxArgs",
help="maximum number of arguments per function [default %default]",
action="store", type=int, default=4, metavar="N")
group.add_option("", "--max-array", dest="arrayMaxSize",
help="maximum array size [default %default]",
action="store", type=int, default=4, metavar="N")
group.add_option("", "--max-record", dest="recordMaxSize",
help="maximum number of fields per record [default %default]",
action="store", type=int, default=4, metavar="N")
group.add_option("", "--max-record-depth", dest="recordMaxDepth",
help="maximum nested structure depth [default %default]",
action="store", type=int, default=None, metavar="N")
parser.add_option_group(group)
(opts, args) = parser.parse_args()
if not opts.useRandomSeed:
random.seed(opts.seed)
# Contruct type generator
builtins = []
ints = []
if opts.useChar: ints.append('char')
if opts.useShort: ints.append('short')
if opts.useInt: ints.append('int')
if opts.useLong: ints.append('long')
if opts.useLongLong: ints.append('long long')
if opts.useUnsigned:
ints = (['unsigned %s'%i for i in ints] +
['signed %s'%i for i in ints])
builtins.extend(ints)
if opts.useBool: builtins.append('_Bool')
if opts.useFloat: builtins.append('float')
if opts.useDouble: builtins.append('double')
if opts.useLongDouble: builtins.append('long double')
if opts.useVoidPointer: builtins.append('void*')
btg = FixedTypeGenerator(map(BuiltinType,builtins))
sbtg = FixedTypeGenerator(map(BuiltinType,['char','int','float']))
atg = AnyTypeGenerator()
artg = AnyTypeGenerator()
def makeGenerator(atg, subgen, useRecord, useArray):
atg.addGenerator(btg)
if useRecord and opts.useRecord:
assert subgen
atg.addGenerator(RecordTypeGenerator(subgen, opts.recordUseUnion,
opts.recordMaxSize))
if opts.useComplex:
# FIXME: Allow overriding builtins here
atg.addGenerator(ComplexTypeGenerator(sbtg))
if useArray and opts.useArray:
assert subgen
atg.addGenerator(ArrayTypeGenerator(subgen, opts.arrayMaxSize))
if opts.useVector:
atg.addGenerator(VectorTypeGenerator(sbtg,
map(int, opts.vectorSizes.split(','))))
if opts.recordMaxDepth is None:
# Fully recursive, just avoid top-level arrays.
subTG = AnyTypeGenerator()
atg = AnyTypeGenerator()
makeGenerator(subTG, atg, True, True)
makeGenerator(atg, subTG, True, False)
else:
# Make a chain of type generators, each builds smaller
# structures.
base = AnyTypeGenerator()
makeGenerator(base, None, False, False)
for i in range(opts.recordMaxDepth):
n = AnyTypeGenerator()
makeGenerator(n, base, True, True)
base = n
atg = AnyTypeGenerator()
makeGenerator(atg, base, True, False)
ftg = FunctionTypeGenerator(atg, opts.functionUseReturn, opts.functionMaxArgs)
# Override max,min,count if finite
if opts.maxIndex is None:
if ftg.cardinality is aleph0:
opts.maxIndex = 10000000
else:
opts.maxIndex = ftg.cardinality
opts.maxIndex = min(opts.maxIndex, ftg.cardinality)
opts.minIndex = max(0,min(opts.maxIndex-1, opts.minIndex))
if not opts.mode=='random':
opts.count = min(opts.count, opts.maxIndex-opts.minIndex)
if opts.output=='-':
output = sys.stdout
else:
output = open(opts.output,'w')
atexit.register(lambda: output.close())
outputHeader = None
if opts.outputHeader:
outputHeader = open(opts.outputHeader,'w')
atexit.register(lambda: outputHeader.close())
outputTests = None
if opts.outputTests:
outputTests = open(opts.outputTests,'w')
atexit.register(lambda: outputTests.close())
outputDriver = None
if opts.outputDriver:
outputDriver = open(opts.outputDriver,'w')
atexit.register(lambda: outputDriver.close())
info = ''
info += '// %s\n'%(' '.join(sys.argv),)
info += '// Generated: %s\n'%(time.strftime('%Y-%m-%d %H:%M'),)
info += '// Cardinality of function generator: %s\n'%(ftg.cardinality,)
info += '// Cardinality of type generator: %s\n'%(atg.cardinality,)
P = TypePrinter(output,
outputHeader=outputHeader,
outputTests=outputTests,
outputDriver=outputDriver,
headerName=opts.outputHeader,
info=info)
def write(N):
try:
FT = ftg.get(N)
except RuntimeError,e:
if e.args[0]=='maximum recursion depth exceeded':
print >>sys.stderr,'WARNING: Skipped %d, recursion limit exceeded (bad arguments?)'%(N,)
return
raise
P.writeFunction(N, FT)
if args:
[write(int(a)) for a in args]
for i in range(opts.count):
if opts.mode=='linear':
index = opts.minIndex + i
else:
index = opts.minIndex + int((opts.maxIndex-opts.minIndex) * random.random())
write(index)
P.finish()
if __name__=='__main__':
main()