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more robust handling of numeric parameters

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This commit is contained in:
David Rose 2004-09-15 18:00:12 +00:00
parent e66ecf58d3
commit a4bad0eb36
2 changed files with 21 additions and 26 deletions
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16
direct/src/ffi/FFIOverload.py
View File

@ -420,12 +420,16 @@ class FFIMethodArgumentTree:
# Otherwise, we'll check the particular type of
# the object.
condition = '(isinstance(_args[' + `level` + '], ' + typeName + '))'
# If it is looking for a float or a long, make it
# accept an integer too
if (typeName == 'types.FloatType' or typeName == 'types.LongType'):
condition += (' or (isinstance(_args[' + `level` + '], '
+ 'types.IntType'
+ '))')
# Legal types for a float parameter include int and long.
if (typeName == 'types.FloatType'):
condition += (' or (isinstance(_args[' + `level` + '], types.IntType))')
condition += (' or (isinstance(_args[' + `level` + '], types.LongType))')
# Legal types for a long parameter include int.
elif (typeName == 'types.LongType'):
condition += (' or (isinstance(_args[' + `level` + '], types.IntType))')
# Legal types for an int parameter include long.
elif (typeName == 'types.IntType'):
condition += (' or (isinstance(_args[' + `level` + '], types.LongType))')
indent(file, nesting+2, 'if ' + condition + ':\n')

31
direct/src/ffi/FFISpecs.py
View File

@ -36,33 +36,24 @@ class FunctionSpecification:
It is valid to pass in None for methodClass if you are not in any methodClass
"""
if FFIConstants.wantTypeChecking:
for methodArgSpec in args:
for i in range(len(args)):
methodArgSpec = args[i]
typeDesc = methodArgSpec.typeDescriptor.recursiveTypeDescriptor()
typeName = FFIOverload.getTypeName(methodClass, typeDesc)
# Special case:
# If it is looking for a float or a long, accept an int as well
# C++ will cast it properly, and it is much more convenient
if (typeName == 'types.FloatType'):
indent(file, nesting, 'assert((isinstance(' +
methodArgSpec.name + ', types.FloatType) or isinstance(' +
methodArgSpec.name + ', types.IntType)))\n')
elif (typeName == 'types.LongType'):
indent(file, nesting, 'assert((isinstance(' +
methodArgSpec.name + ', types.LongType) or isinstance(' +
methodArgSpec.name + ', types.IntType)))\n')
elif typeDesc.__class__ != FFITypes.PyObjectTypeDescriptor:
# We only do type checking on class types. C++ can do
# type checking on the primitive types, and will do a
# better job anyway.
if typeDesc.__class__ == FFITypes.ClassTypeDescriptor:
# Get the real return type (not derived)
if ((not typeDesc.isNested) and
# Do not put our own module in the import list
(methodClass != typeDesc) and
# If this is a class (not a primitive), put it on the list
(typeDesc.__class__ == FFITypes.ClassTypeDescriptor)):
(methodClass != typeDesc)):
indent(file, nesting, 'import ' + typeDesc.foreignTypeName + '\n')
indent(file, nesting, 'assert(isinstance(' +
methodArgSpec.name + ', ' + typeName + '))\n')
indent(file, nesting, 'if not isinstance(' +
methodArgSpec.name + ', ' + typeName + '):\n')
indent(file, nesting + 1,
'raise TypeError, "Invalid argument %s, expected <%s>"\n' % (i, typeDesc.foreignTypeName))
def outputCFunctionComment(self, file, nesting):
"""