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java.lang.Objectcom.kenai.jffi.Function
public final class Function
Native function invocation context This class holds all the information that JFFI needs to correctly call a native function.
Constructor Summary | |
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Function(long address,
Type returnType,
Type... paramTypes)
Creates a new instance of Function with default calling convention. |
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Function(long address,
Type returnType,
Type[] paramTypes,
CallingConvention convention)
Creates a new instance of Function. |
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Function(long address,
Type returnType,
Type[] paramTypes,
CallingConvention convention,
boolean saveErrno)
Creates a new instance of Function. |
Method Summary | |
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protected void |
finalize()
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long |
getFunctionAddress()
Gets the address of the function. |
int |
getParameterCount()
Gets the number of parameters the native function accepts. |
Type |
getParameterType(int index)
Gets the type of a parameter. |
Type |
getReturnType()
Gets the native return type of this function. |
Methods inherited from class java.lang.Object |
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clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public Function(long address, Type returnType, Type... paramTypes)
address
- The native address of the function to invoke.returnType
- The return type of the native function.paramTypes
- The parameter types the function accepts.public Function(long address, Type returnType, Type[] paramTypes, CallingConvention convention)
address
- The native address of the function to invoke.returnType
- The return type of the native function.paramTypes
- The parameter types the function accepts.convention
- The calling convention of the function.public Function(long address, Type returnType, Type[] paramTypes, CallingConvention convention, boolean saveErrno)
address
- The native address of the function to invoke.returnType
- The return type of the native function.paramTypes
- The parameter types the function accepts.convention
- The calling convention of the function.saveErrno
- Whether the errno should be saved or notMethod Detail |
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public final int getParameterCount()
public final long getFunctionAddress()
public final Type getReturnType()
public final Type getParameterType(int index)
index
- The index of the parameter in the function signature
protected void finalize() throws java.lang.Throwable
finalize
in class java.lang.Object
java.lang.Throwable
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