Package edu.umd.cs.findbugs.ba

Class SignatureParser

  • public class SignatureParser
extends java.lang.Object
    A simple class to parse method signatures.
    Author:
    David Hovemeyer

    • Constructor Detail

      • SignatureParser

        public SignatureParser​(java.lang.String signature)
        Constructor.
        Parameters:
        signature - the method signature to be parsed

    • Method Detail

      • getTotalArgumentSize

        public int getTotalArgumentSize()

      • getSlotsFromTopOfStackForParameter

        public int getSlotsFromTopOfStackForParameter​(int paramNum)

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object

      • getArguments

        public java.lang.String[] getArguments()

      • parameterSignatureIterator

        public java.util.Iterator<java.lang.String> parameterSignatureIterator()
        Get an Iterator over signatures of the method parameters.
        Returns:
        Iterator which returns the parameter type signatures in order

      • parameterSignatures

        public java.lang.Iterable<java.lang.String> parameterSignatures()

      • getReturnTypeSignature

        public java.lang.String getReturnTypeSignature()
        Get the method return type signature.
        Returns:
        the method return type signature

      • getNumParameters

        public int getNumParameters()
        Get the number of parameters in the signature.
        Returns:
        the number of parameters

      • hasReferenceParameters

        public boolean hasReferenceParameters()

      • getParameter

        public java.lang.String getParameter​(int pos)

      • isReferenceType

        public static boolean isReferenceType​(java.lang.String signature)
        Determine whether or not given signature denotes a reference type.
        Parameters:
        signature - a signature
        Returns:
        true if signature denotes a reference type, false otherwise

      • getNumParametersForInvocation

        public static int getNumParametersForInvocation​(org.apache.bcel.generic.InvokeInstruction inv,
                                                org.apache.bcel.generic.ConstantPoolGen cpg)
        Get the number of parameters passed to method invocation.
        Parameters:
        inv -
        cpg -
        Returns:
        int number of parameters

      • getNumSlotsForType

        public static int getNumSlotsForType​(java.lang.String sig)
        Return how many stack frame slots a type whose signature is given will occupy. long and double values take 2 slots, while all other kinds of values take 1 slot.
        Parameters:
        sig - a type signature
        Returns:
        number of stack frame slots a value of the given type will occupy

      • main

        public static void main​(java.lang.String[] args)